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source: 3DVCSoftware/branches/HTM-9.3-dev3-Qualcomm/source/Lib/TLibEncoder/TEncSbac.cpp @ 781

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Last change on this file since 781 was 781, checked in by qualcomm, 10 years ago
integration of JCT3V-G0122 (generalize SDC to all depth intra modes) by Qualcomm.
Property svn:eol-style set to `native`
File size: 74.4 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) 2010-2013, 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
41	#include <map>
42	#include <algorithm>
43
44	//! \ingroup TLibEncoder
45	//! \{
46
47	// ====================================================================================================================
48	// Constructor / destructor / create / destroy
49	// ====================================================================================================================
50
51	TEncSbac::TEncSbac()
52	// new structure here
53	: m_pcBitIf ( NULL )
54	, m_pcSlice ( NULL )
55	, m_pcBinIf ( NULL )
56	, m_uiCoeffCost ( 0 )
57	, m_numContextModels ( 0 )
58	, m_cCUSplitFlagSCModel ( 1, 1, NUM_SPLIT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels )
59	, m_cCUSkipFlagSCModel ( 1, 1, NUM_SKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
60	, m_cCUMergeFlagExtSCModel ( 1, 1, NUM_MERGE_FLAG_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
61	, m_cCUMergeIdxExtSCModel ( 1, 1, NUM_MERGE_IDX_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
62	#if H_3D_ARP
63	, m_cCUPUARPWSCModel ( 1, 1, NUM_ARPW_CTX , m_contextModels + m_numContextModels, m_numContextModels)
64	#endif
65	#if H_3D_IC
66	, m_cCUICFlagSCModel ( 1, 1, NUM_IC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
67	#endif
68	, m_cCUPartSizeSCModel ( 1, 1, NUM_PART_SIZE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
69	, m_cCUPredModeSCModel ( 1, 1, NUM_PRED_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
70	, m_cCUIntraPredSCModel ( 1, 1, NUM_ADI_CTX , m_contextModels + m_numContextModels, m_numContextModels)
71	, m_cCUChromaPredSCModel ( 1, 1, NUM_CHROMA_PRED_CTX , m_contextModels + m_numContextModels, m_numContextModels)
72	, m_cCUDeltaQpSCModel ( 1, 1, NUM_DELTA_QP_CTX , m_contextModels + m_numContextModels, m_numContextModels)
73	, m_cCUInterDirSCModel ( 1, 1, NUM_INTER_DIR_CTX , m_contextModels + m_numContextModels, m_numContextModels)
74	, m_cCURefPicSCModel ( 1, 1, NUM_REF_NO_CTX , m_contextModels + m_numContextModels, m_numContextModels)
75	, m_cCUMvdSCModel ( 1, 1, NUM_MV_RES_CTX , m_contextModels + m_numContextModels, m_numContextModels)
76	, m_cCUQtCbfSCModel ( 1, 2, NUM_QT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels)
77	, m_cCUTransSubdivFlagSCModel ( 1, 1, NUM_TRANS_SUBDIV_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
78	, m_cCUQtRootCbfSCModel ( 1, 1, NUM_QT_ROOT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels)
79	, m_cCUSigCoeffGroupSCModel ( 1, 2, NUM_SIG_CG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
80	, m_cCUSigSCModel ( 1, 1, NUM_SIG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
81	, m_cCuCtxLastX ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
82	, m_cCuCtxLastY ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
83	, m_cCUOneSCModel ( 1, 1, NUM_ONE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
84	, m_cCUAbsSCModel ( 1, 1, NUM_ABS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
85	, m_cMVPIdxSCModel ( 1, 1, NUM_MVP_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
86	, m_cCUAMPSCModel ( 1, 1, NUM_CU_AMP_CTX , m_contextModels + m_numContextModels, m_numContextModels)
87	, m_cSaoMergeSCModel ( 1, 1, NUM_SAO_MERGE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
88	, m_cSaoTypeIdxSCModel ( 1, 1, NUM_SAO_TYPE_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
89	, m_cTransformSkipSCModel ( 1, 2, NUM_TRANSFORMSKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
90	, m_CUTransquantBypassFlagSCModel( 1, 1, NUM_CU_TRANSQUANT_BYPASS_FLAG_CTX, m_contextModels + m_numContextModels, m_numContextModels)
91	#if H_3D_DIM
92	, m_cDepthIntraModeSCModel ( 1, 1, NUM_DEPTH_INTRA_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
93	, m_cDdcFlagSCModel ( 1, 1, NUM_DDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
94	, m_cDdcDataSCModel ( 1, 1, NUM_DDC_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
95	#if QC_GENERIC_SDC_G0122
96	, m_cAngleFlagSCModel ( 1, 1, NUM_ANGLE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
97	, m_cIntraSdcFlagSCModel ( 1, 1, NUM_INTRASDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
98	#endif
99	#if H_3D_DIM_DMM
100	, m_cDmm1DataSCModel ( 1, 1, NUM_DMM1_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
101	#endif
102	#if H_3D_DIM_SDC
103	, m_cSDCResidualFlagSCModel ( 1, 1, SDC_NUM_RESIDUAL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
104	, m_cSDCResidualSCModel ( 1, 1, SDC_NUM_RESIDUAL_CTX , m_contextModels + m_numContextModels, m_numContextModels)
105	#endif
106	#endif
107	#if H_3D_INTER_SDC
108	, m_cInterSDCFlagSCModel ( 1, 1, NUM_INTER_SDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
109	, m_cInterSDCResidualSCModel ( 1, 1, NUM_INTER_SDC_RESIDUAL_CTX , m_contextModels + m_numContextModels, m_numContextModels)
110	, m_cInterSDCResidualSignFlagSCModel ( 1, 1, NUM_INTER_SDC_SIGN_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
111	#endif
112	{
113	assert( m_numContextModels <= MAX_NUM_CTX_MOD );
114	}
115
116	TEncSbac::~TEncSbac()
117	{
118	}
119
120	// ====================================================================================================================
121	// Public member functions
122	// ====================================================================================================================
123
124	Void TEncSbac::resetEntropy ()
125	{
126	Int iQp = m_pcSlice->getSliceQp();
127	SliceType eSliceType = m_pcSlice->getSliceType();
128
129	Int encCABACTableIdx = m_pcSlice->getPPS()->getEncCABACTableIdx();
130	if (!m_pcSlice->isIntra() && (encCABACTableIdx==B_SLICE \|\| encCABACTableIdx==P_SLICE) && m_pcSlice->getPPS()->getCabacInitPresentFlag())
131	{
132	eSliceType = (SliceType) encCABACTableIdx;
133	}
134
135	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
136
137	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
138	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
139	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
140	#if H_3D_ARP
141	m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW );
142	#endif
143	#if H_3D_IC
144	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
145	#endif
146	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
147	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
148	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
149	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
150	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
151	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
152	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
153	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
154	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
155	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
156	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
157	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
158	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
159	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
160	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
161	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
162	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
163	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
164	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
165	m_cSaoMergeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_FLAG );
166	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
167	m_cTransformSkipSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
168	m_CUTransquantBypassFlagSCModel.initBuffer( eSliceType, iQp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
169
170	#if H_3D_DIM
171	m_cDepthIntraModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DEPTH_INTRA_MODE );
172	m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG );
173	m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA );
174	#if QC_GENERIC_SDC_G0122
175	m_cAngleFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ANGLE_FLAG );
176	m_cIntraSdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRASDC_FLAG );
177	#endif
178	#if H_3D_DIM_DMM
179	m_cDmm1DataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM1_DATA );
180	#endif
181	#if H_3D_DIM_SDC
182	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
183	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
184	#endif
185	#endif
186	#if H_3D_INTER_SDC
187	m_cInterSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_FLAG );
188	m_cInterSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_RESIDUAL );
189	m_cInterSDCResidualSignFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_SIGN_FLAG );
190	#endif
191	// new structure
192	m_uiLastQp = iQp;
193
194	m_pcBinIf->start();
195
196	return;
197	}
198
199	/** The function does the following:
200	* If current slice type is P/B then it determines the distance of initialisation type 1 and 2 from the current CABAC states and
201	* stores the index of the closest table. This index is used for the next P/B slice when cabac_init_present_flag is true.
202	*/
203	Void TEncSbac::determineCabacInitIdx()
204	{
205	Int qp = m_pcSlice->getSliceQp();
206
207	if (!m_pcSlice->isIntra())
208	{
209	SliceType aSliceTypeChoices[] = {B_SLICE, P_SLICE};
210
211	UInt bestCost = MAX_UINT;
212	SliceType bestSliceType = aSliceTypeChoices[0];
213	for (UInt idx=0; idx<2; idx++)
214	{
215	UInt curCost = 0;
216	SliceType curSliceType = aSliceTypeChoices[idx];
217
218	curCost = m_cCUSplitFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SPLIT_FLAG );
219	curCost += m_cCUSkipFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SKIP_FLAG );
220	curCost += m_cCUMergeFlagExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT);
221	curCost += m_cCUMergeIdxExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_IDX_EXT);
222	#if H_3D_ARP
223	curCost += m_cCUPUARPWSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ARPW );
224	#endif
225	#if H_3D_IC
226	curCost += m_cCUICFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_IC_FLAG );
227	#endif
228	#if H_3D_INTER_SDC
229	curCost += m_cInterSDCFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_SDC_FLAG );
230	curCost += m_cInterSDCResidualSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_SDC_RESIDUAL );
231	curCost += m_cInterSDCResidualSignFlagSCModel.calcCost( curSliceType, qp, (UChar*)INIT_INTER_SDC_SIGN_FLAG );
232	#endif
233	curCost += m_cCUPartSizeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PART_SIZE );
234	curCost += m_cCUAMPSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CU_AMP_POS );
235	curCost += m_cCUPredModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PRED_MODE );
236	curCost += m_cCUIntraPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTRA_PRED_MODE );
237	curCost += m_cCUChromaPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE );
238	curCost += m_cCUInterDirSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_DIR );
239	curCost += m_cCUMvdSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVD );
240	curCost += m_cCURefPicSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_REF_PIC );
241	curCost += m_cCUDeltaQpSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DQP );
242	curCost += m_cCUQtCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_CBF );
243	curCost += m_cCUQtRootCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_ROOT_CBF );
244	curCost += m_cCUSigCoeffGroupSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_CG_FLAG );
245	curCost += m_cCUSigSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_FLAG );
246	curCost += m_cCuCtxLastX.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
247	curCost += m_cCuCtxLastY.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
248	curCost += m_cCUOneSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ONE_FLAG );
249	curCost += m_cCUAbsSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ABS_FLAG );
250	curCost += m_cMVPIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVP_IDX );
251	curCost += m_cCUTransSubdivFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
252	curCost += m_cSaoMergeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_MERGE_FLAG );
253	curCost += m_cSaoTypeIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_TYPE_IDX );
254	curCost += m_cTransformSkipSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
255	curCost += m_CUTransquantBypassFlagSCModel.calcCost( curSliceType, qp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
256	#if H_3D_DIM
257	if( m_pcSlice->getVpsDepthModesFlag() )
258	{
259	curCost += m_cDepthIntraModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DEPTH_INTRA_MODE );
260	curCost += m_cDdcFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DDC_FLAG );
261	curCost += m_cDdcDataSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DDC_DATA );
262	#if QC_GENERIC_SDC_G0122
263	curCost += m_cAngleFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ANGLE_FLAG );
264	curCost += m_cIntraSdcFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTRASDC_FLAG );
265	#endif
266	#if H_3D_DIM_DMM
267	curCost += m_cDmm1DataSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DMM1_DATA );
268	#endif
269	}
270	#endif
271	if (curCost < bestCost)
272	{
273	bestSliceType = curSliceType;
274	bestCost = curCost;
275	}
276	}
277	m_pcSlice->getPPS()->setEncCABACTableIdx( bestSliceType );
278	}
279	else
280	{
281	m_pcSlice->getPPS()->setEncCABACTableIdx( I_SLICE );
282	}
283	}
284
285
286	/** The function does the followng: Write out terminate bit. Flush CABAC. Intialize CABAC states. Start CABAC.
287	*/
288	Void TEncSbac::updateContextTables( SliceType eSliceType, Int iQp, Bool bExecuteFinish )
289	{
290	m_pcBinIf->encodeBinTrm(1);
291	if (bExecuteFinish) m_pcBinIf->finish();
292	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
293
294	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
295	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
296	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
297	#if H_3D_ARP
298	m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW );
299	#endif
300	#if H_3D_IC
301	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
302	#endif
303	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
304	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
305	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
306	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
307	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
308	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
309	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
310	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
311	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
312	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
313	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
314	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
315	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
316	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
317	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
318	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
319	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
320	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
321	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
322	m_cSaoMergeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_FLAG );
323	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
324	m_cTransformSkipSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
325	m_CUTransquantBypassFlagSCModel.initBuffer( eSliceType, iQp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
326
327	#if H_3D_DIM
328	m_cDepthIntraModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DEPTH_INTRA_MODE );
329	m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG );
330	m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA );
331	#if QC_GENERIC_SDC_G0122
332	m_cAngleFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ANGLE_FLAG );
333	m_cIntraSdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRASDC_FLAG );
334	#endif
335	#if H_3D_DIM_DMM
336	m_cDmm1DataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM1_DATA );
337	#endif
338	#if H_3D_DIM_SDC
339	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
340	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
341	#endif
342	#endif
343	#if H_3D_INTER_SDC
344	m_cInterSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_FLAG );
345	m_cInterSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_RESIDUAL );
346	m_cInterSDCResidualSignFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_SIGN_FLAG );
347	#endif
348	m_pcBinIf->start();
349	}
350
351	Void TEncSbac::codeVPS( TComVPS* pcVPS )
352	{
353	assert (0);
354	return;
355	}
356
357	#if H_3D
358	Void TEncSbac::codeSPS( TComSPS* pcSPS, Int viewIndex, Bool depthFlag )
359	#else
360	Void TEncSbac::codeSPS( TComSPS* pcSPS )
361	#endif
362	{
363	assert (0);
364	return;
365	}
366
367	Void TEncSbac::codePPS( TComPPS* pcPPS )
368	{
369	assert (0);
370	return;
371	}
372
373	Void TEncSbac::codeSliceHeader( TComSlice* pcSlice )
374	{
375	assert (0);
376	return;
377	}
378
379	Void TEncSbac::codeTilesWPPEntryPoint( TComSlice* pSlice )
380	{
381	assert (0);
382	return;
383	}
384
385	Void TEncSbac::codeTerminatingBit( UInt uilsLast )
386	{
387	m_pcBinIf->encodeBinTrm( uilsLast );
388	}
389
390	Void TEncSbac::codeSliceFinish()
391	{
392	m_pcBinIf->finish();
393	}
394
395	Void TEncSbac::xWriteUnarySymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset )
396	{
397	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[0] );
398
399	if( 0 == uiSymbol)
400	{
401	return;
402	}
403
404	while( uiSymbol-- )
405	{
406	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ iOffset ] );
407	}
408
409	return;
410	}
411
412	Void TEncSbac::xWriteUnaryMaxSymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol )
413	{
414	if (uiMaxSymbol == 0)
415	{
416	return;
417	}
418
419	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ 0 ] );
420
421	if ( uiSymbol == 0 )
422	{
423	return;
424	}
425
426	Bool bCodeLast = ( uiMaxSymbol > uiSymbol );
427
428	while( --uiSymbol )
429	{
430	m_pcBinIf->encodeBin( 1, pcSCModel[ iOffset ] );
431	}
432	if( bCodeLast )
433	{
434	m_pcBinIf->encodeBin( 0, pcSCModel[ iOffset ] );
435	}
436
437	return;
438	}
439
440	Void TEncSbac::xWriteEpExGolomb( UInt uiSymbol, UInt uiCount )
441	{
442	UInt bins = 0;
443	Int numBins = 0;
444
445	while( uiSymbol >= (UInt)(1<<uiCount) )
446	{
447	bins = 2 * bins + 1;
448	numBins++;
449	uiSymbol -= 1 << uiCount;
450	uiCount ++;
451	}
452	bins = 2 * bins + 0;
453	numBins++;
454
455	bins = (bins << uiCount) \| uiSymbol;
456	numBins += uiCount;
457
458	assert( numBins <= 32 );
459	m_pcBinIf->encodeBinsEP( bins, numBins );
460	}
461
462	/** Coding of coeff_abs_level_minus3
463	* \param uiSymbol value of coeff_abs_level_minus3
464	* \param ruiGoRiceParam reference to Rice parameter
465	* \returns Void
466	*/
467	Void TEncSbac::xWriteCoefRemainExGolomb ( UInt symbol, UInt &rParam )
468	{
469	Int codeNumber = (Int)symbol;
470	UInt length;
471	if (codeNumber < (COEF_REMAIN_BIN_REDUCTION << rParam))
472	{
473	length = codeNumber>>rParam;
474	m_pcBinIf->encodeBinsEP( (1<<(length+1))-2 , length+1);
475	m_pcBinIf->encodeBinsEP((codeNumber%(1<<rParam)),rParam);
476	}
477	else
478	{
479	length = rParam;
480	codeNumber = codeNumber - ( COEF_REMAIN_BIN_REDUCTION << rParam);
481	while (codeNumber >= (1<<length))
482	{
483	codeNumber -= (1<<(length++));
484	}
485	m_pcBinIf->encodeBinsEP((1<<(COEF_REMAIN_BIN_REDUCTION+length+1-rParam))-2,COEF_REMAIN_BIN_REDUCTION+length+1-rParam);
486	m_pcBinIf->encodeBinsEP(codeNumber,length);
487	}
488	}
489
490	#if H_3D_DIM
491	Void TEncSbac::xWriteExGolombLevel( UInt uiSymbol, ContextModel& rcSCModel )
492	{
493	if( uiSymbol )
494	{
495	m_pcBinIf->encodeBin( 1, rcSCModel );
496	UInt uiCount = 0;
497	Bool bNoExGo = (uiSymbol < 13);
498
499	while( --uiSymbol && ++uiCount < 13 )
500	{
501	m_pcBinIf->encodeBin( 1, rcSCModel );
502	}
503	if( bNoExGo )
504	{
505	m_pcBinIf->encodeBin( 0, rcSCModel );
506	}
507	else
508	{
509	xWriteEpExGolomb( uiSymbol, 0 );
510	}
511	}
512	else
513	{
514	m_pcBinIf->encodeBin( 0, rcSCModel );
515	}
516
517	return;
518	}
519
520	Void TEncSbac::xCodeDimDeltaDC( Pel valDeltaDC, UInt uiNumSeg )
521	{
522	xWriteExGolombLevel( UInt( abs( valDeltaDC ) - ( uiNumSeg > 1 ? 0 : 1 ) ), m_cDdcDataSCModel.get(0, 0, 0) );
523	if( valDeltaDC != 0 )
524	{
525	UInt uiSign = valDeltaDC > 0 ? 0 : 1;
526	m_pcBinIf->encodeBinEP( uiSign );
527	}
528	}
529
530	#if H_3D_DIM_DMM
531	Void TEncSbac::xCodeDmm1WedgeIdx( UInt uiTabIdx, Int iNumBit )
532	{
533	for ( Int i = 0; i < iNumBit; i++ )
534	{
535	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmm1DataSCModel.get(0, 0, 0) );
536	}
537	}
538
539	#endif
540
541	#if H_3D_DIM_SDC
542	Void TEncSbac::xCodeSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiSegment )
543	{
544	assert( pcCU->getSlice()->getIsDepth() );
545	assert( pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N );
546	assert( pcCU->getSDCFlag(uiAbsPartIdx) );
547	assert( uiSegment < 2 );
548
549	Pel segmentDCOffset = pcCU->getSDCSegmentDCOffset(uiSegment, uiAbsPartIdx);
550
551	UInt uiResidual = segmentDCOffset == 0 ? 0 : 1;
552	UInt uiSign = segmentDCOffset < 0 ? 1 : 0;
553	UInt uiAbsIdx = abs(segmentDCOffset);
554
555	#if H_3D_DIM_DLT
556	UInt uiMaxResidualBits = pcCU->getSlice()->getPPS()->getDLT()->getBitsPerDepthValue( pcCU->getSlice()->getLayerIdInVps() );
557	#else
558	UInt uiMaxResidualBits = g_bitDepthY;
559	#endif
560	assert( uiMaxResidualBits <= g_bitDepthY );
561
562	// residual flag
563	m_pcBinIf->encodeBin( uiResidual, m_cSDCResidualFlagSCModel.get( 0, 0, 0 ) );
564	#if H_MV_ENC_DEC_TRAC
565	DTRACE_CU("sdc_residual_flag[i]", uiResidual)
566	#endif
567
568	if (uiResidual)
569	{
570	// encode sign bit of residual
571	m_pcBinIf->encodeBinEP( uiSign );
572	#if H_MV_ENC_DEC_TRAC
573	DTRACE_CU("sdc_residual_sign_flag[i]", uiSign)
574	#endif
575	#if H_3D_DIM_DLT
576	UInt uiNumDepthValues = pcCU->getSlice()->getPPS()->getDLT()->getNumDepthValues( pcCU->getSlice()->getLayerIdInVps() );
577	#else
578	UInt uiNumDepthValues = ((1 << g_bitDepthY)-1);
579	#endif
580
581	assert(uiAbsIdx <= uiNumDepthValues);
582
583	// encode residual magnitude
584	uiAbsIdx -= 1;
585
586	#if H_MV_ENC_DEC_TRAC
587	DTRACE_CU("sdc_residual_abs_minus1[i]", uiAbsIdx)
588	#endif
589
590	// prefix part
591	if ( uiAbsIdx == 0 )
592	{
593	m_pcBinIf->encodeBin( 0, m_cSDCResidualSCModel.get(0, 0, 0) );
594	}
595	else
596	{
597	UInt l = uiAbsIdx;
598	UInt k = 0;
599	UInt uiPrefixThreshold = ((uiNumDepthValues * 3) >> 2);
600	while ( l > 0 && k < uiPrefixThreshold )
601	{
602	m_pcBinIf->encodeBin( 1, m_cSDCResidualSCModel.get(0, 0, 0) );
603	l--;
604	k++;
605	}
606	if ( uiAbsIdx < uiPrefixThreshold )
607	{
608	m_pcBinIf->encodeBin( 0, m_cSDCResidualSCModel.get(0, 0, 0) );
609	}
610	else
611	{ // suffix part
612	uiAbsIdx -= uiPrefixThreshold;
613	UInt uiSuffixLength = numBitsForValue(uiNumDepthValues - uiPrefixThreshold);
614	UInt uiBitInfo = 0;
615	for ( Int i = 0; i < uiSuffixLength; i++)
616	{
617	uiBitInfo = ( uiAbsIdx & ( 1 << i ) ) >> i;
618	m_pcBinIf->encodeBinEP( uiBitInfo);
619	}
620	}
621	}
622
623	}
624	}
625	#endif
626	#endif
627
628	// SBAC RD
629	Void TEncSbac::load ( TEncSbac* pSrc)
630	{
631	this->xCopyFrom(pSrc);
632	}
633
634	Void TEncSbac::loadIntraDirModeLuma( TEncSbac* pSrc)
635	{
636	m_pcBinIf->copyState( pSrc->m_pcBinIf );
637
638	this->m_cCUIntraPredSCModel .copyFrom( &pSrc->m_cCUIntraPredSCModel );
639	}
640	#if H_3D_DIM
641	Void TEncSbac::loadIntraDepthMode( TEncSbac* pSrc)
642	{
643	m_pcBinIf->copyState( pSrc->m_pcBinIf );
644
645	this->m_cDepthIntraModeSCModel .copyFrom( &pSrc->m_cDepthIntraModeSCModel );
646	this->m_cDdcFlagSCModel .copyFrom( &pSrc->m_cDdcFlagSCModel );
647	#if QC_GENERIC_SDC_G0122
648	this->m_cAngleFlagSCModel .copyFrom( &pSrc->m_cAngleFlagSCModel );
649	this->m_cIntraSdcFlagSCModel .copyFrom( &pSrc->m_cIntraSdcFlagSCModel );
650	#endif
651	}
652	#endif
653
654	Void TEncSbac::store( TEncSbac* pDest)
655	{
656	pDest->xCopyFrom( this );
657	}
658
659
660	Void TEncSbac::xCopyFrom( TEncSbac* pSrc )
661	{
662	m_pcBinIf->copyState( pSrc->m_pcBinIf );
663
664	this->m_uiCoeffCost = pSrc->m_uiCoeffCost;
665	this->m_uiLastQp = pSrc->m_uiLastQp;
666
667	memcpy( m_contextModels, pSrc->m_contextModels, m_numContextModels * sizeof( ContextModel ) );
668	}
669
670	Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
671	{
672	Int iSymbol = pcCU->getMVPIdx(eRefList, uiAbsPartIdx);
673	Int iNum = AMVP_MAX_NUM_CANDS;
674
675	xWriteUnaryMaxSymbol(iSymbol, m_cMVPIdxSCModel.get(0), 1, iNum-1);
676	#if H_MV_ENC_DEC_TRAC
677	#if ENC_DEC_TRACE
678	if ( eRefList == REF_PIC_LIST_0 )
679	{
680	DTRACE_PU("mvp_l0_flag", iSymbol)
681	}
682	else
683	{
684	DTRACE_PU("mvp_l1_flag", iSymbol)
685	}
686	#endif
687	#endif
688	}
689
690	Void TEncSbac::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
691	{
692	PartSize eSize = pcCU->getPartitionSize( uiAbsPartIdx );
693	#if H_3D_QTLPC
694	TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS();
695	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
696	Bool bDepthMapDetect = (pcTexture != NULL);
697	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
698
699	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);
700
701	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && sps->getUseQTL() && sps->getUsePC() )
702	{
703	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
704	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
705	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
706	if (pcTextureCU->getDepth(uiCUIdx) == uiDepth && pcTextureCU->getPartitionSize( uiCUIdx ) != SIZE_NxN)
707	{
708	assert( eSize == SIZE_2Nx2N );
709	return;
710	}
711	}
712	#endif
713	if ( pcCU->isIntra( uiAbsPartIdx ) )
714	{
715	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
716	{
717	m_pcBinIf->encodeBin( eSize == SIZE_2Nx2N? 1 : 0, m_cCUPartSizeSCModel.get( 0, 0, 0 ) );
718	#if H_MV_ENC_DEC_TRAC
719	DTRACE_CU("part_mode", eSize == SIZE_2Nx2N? 1 : 0)
720	#endif
721	}
722	return;
723	}
724
725	#if H_MV_ENC_DEC_TRAC
726	DTRACE_CU("part_mode", eSize )
727	#endif
728	switch(eSize)
729	{
730	case SIZE_2Nx2N:
731	{
732	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
733	break;
734	}
735	case SIZE_2NxN:
736	case SIZE_2NxnU:
737	case SIZE_2NxnD:
738	{
739	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
740	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
741	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
742	{
743	if (eSize == SIZE_2NxN)
744	{
745	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
746	}
747	else
748	{
749	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
750	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
751	}
752	}
753	break;
754	}
755	case SIZE_Nx2N:
756	case SIZE_nLx2N:
757	case SIZE_nRx2N:
758	{
759	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
760	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
761	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
762	{
763	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 2) );
764	}
765	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
766	{
767	if (eSize == SIZE_Nx2N)
768	{
769	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
770	}
771	else
772	{
773	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
774	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
775	}
776	}
777	break;
778	}
779	case SIZE_NxN:
780	{
781	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
782	{
783	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
784	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
785	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 2) );
786	}
787	break;
788	}
789	default:
790	{
791	assert(0);
792	}
793	}
794	}
795
796	/** code prediction mode
797	* \param pcCU
798	* \param uiAbsPartIdx
799	* \returns Void
800	*/
801	Void TEncSbac::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
802	{
803	#if H_3D_DIM_SDC
804	if ( pcCU->getSlice()->isIntra() )
805	{
806	assert( pcCU->isIntra(uiAbsPartIdx) );
807	return;
808	}
809	#endif
810
811	// get context function is here
812	Int iPredMode = pcCU->getPredictionMode( uiAbsPartIdx );
813	m_pcBinIf->encodeBin( iPredMode == MODE_INTER ? 0 : 1, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
814	#if H_MV_ENC_DEC_TRAC
815	DTRACE_CU("pred_mode_flag", iPredMode == MODE_INTER ? 0 : 1);
816	#endif
817	}
818
819	Void TEncSbac::codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
820	{
821	UInt uiSymbol = pcCU->getCUTransquantBypass(uiAbsPartIdx);
822	m_pcBinIf->encodeBin( uiSymbol, m_CUTransquantBypassFlagSCModel.get( 0, 0, 0 ) );
823	#if H_MV_ENC_DEC_TRAC
824	DTRACE_CU("cu_transquant_bypass_flag", uiSymbol);
825	#endif
826	}
827
828	/** code skip flag
829	* \param pcCU
830	* \param uiAbsPartIdx
831	* \returns Void
832	*/
833	Void TEncSbac::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
834	{
835	// get context function is here
836	UInt uiSymbol = pcCU->isSkipped( uiAbsPartIdx ) ? 1 : 0;
837	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ) ;
838	m_pcBinIf->encodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
839	#if !H_MV_ENC_DEC_TRAC
840	DTRACE_CABAC_VL( g_nSymbolCounter++ );
841	DTRACE_CABAC_T( "\tSkipFlag" );
842	DTRACE_CABAC_T( "\tuiCtxSkip: ");
843	DTRACE_CABAC_V( uiCtxSkip );
844	DTRACE_CABAC_T( "\tuiSymbol: ");
845	DTRACE_CABAC_V( uiSymbol );
846	DTRACE_CABAC_T( "\n");
847	#else
848	DTRACE_CU("cu_skip_flag", uiSymbol);
849	#endif
850	}
851
852	/** code merge flag
853	* \param pcCU
854	* \param uiAbsPartIdx
855	* \returns Void
856	*/
857	Void TEncSbac::codeMergeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
858	{
859	const UInt uiSymbol = pcCU->getMergeFlag( uiAbsPartIdx ) ? 1 : 0;
860	m_pcBinIf->encodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
861
862	#if H_MV_ENC_DEC_TRAC
863	DTRACE_PU("merge_flag", uiSymbol);
864	#else
865	DTRACE_CABAC_VL( g_nSymbolCounter++ );
866	DTRACE_CABAC_T( "\tMergeFlag: " );
867	DTRACE_CABAC_V( uiSymbol );
868	DTRACE_CABAC_T( "\tAddress: " );
869	DTRACE_CABAC_V( pcCU->getAddr() );
870	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
871	DTRACE_CABAC_V( uiAbsPartIdx );
872	DTRACE_CABAC_T( "\n" );
873	#endif
874	}
875
876	/** code merge index
877	* \param pcCU
878	* \param uiAbsPartIdx
879	* \returns Void
880	*/
881	Void TEncSbac::codeMergeIndex( TComDataCU* pcCU, UInt uiAbsPartIdx )
882	{
883	UInt uiUnaryIdx = pcCU->getMergeIndex( uiAbsPartIdx );
884	UInt uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
885	if ( uiNumCand > 1 )
886	{
887	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
888	{
889	const UInt uiSymbol = ui == uiUnaryIdx ? 0 : 1;
890	if ( ui==0 )
891	{
892	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
893	}
894	else
895	{
896	m_pcBinIf->encodeBinEP( uiSymbol );
897	}
898	if( uiSymbol == 0 )
899	{
900	break;
901	}
902	}
903	#if H_MV_ENC_DEC_TRAC
904	DTRACE_PU("merge_idx", uiUnaryIdx);
905	#endif
906	}
907	#if !H_MV_ENC_DEC_TRAC
908	DTRACE_CABAC_VL( g_nSymbolCounter++ );
909	DTRACE_CABAC_T( "\tparseMergeIndex()" );
910	DTRACE_CABAC_T( "\tuiMRGIdx= " );
911	DTRACE_CABAC_V( pcCU->getMergeIndex( uiAbsPartIdx ) );
912	DTRACE_CABAC_T( "\n" );
913	#endif
914	}
915
916	#if H_3D_ARP
917	Void TEncSbac::codeARPW( TComDataCU* pcCU, UInt uiAbsPartIdx )
918	{
919	Int iW = (Int)pcCU->getARPW( uiAbsPartIdx );
920	Int iMaxW = pcCU->getSlice()->getARPStepNum() - 1;
921	assert( iMaxW > 0);
922
923	Int nOffset = pcCU->getCTXARPWFlag(uiAbsPartIdx);
924	Int nBinNum = iW + ( iW != iMaxW );
925	m_pcBinIf->encodeBin( iW ? 1 : 0 , m_cCUPUARPWSCModel.get( 0, 0, 0 + nOffset ) );
926	if( nBinNum > 1 )
927	{
928	m_pcBinIf->encodeBin( ( iW == iMaxW ) ? 1 : 0, m_cCUPUARPWSCModel.get( 0, 0, 3 ) );
929	}
930	#if H_MV_ENC_DEC_TRAC
931	DTRACE_CU("iv_res_pred_weight_idx", iW);
932	#endif
933	}
934	#endif
935
936	#if H_3D_IC
937	/** code Illumination Compensation flag
938	* \param pcCU
939	* \param uiAbsPartIdx
940	* \returns Void
941	*/
942	Void TEncSbac::codeICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
943	{
944	// get context function is here
945	UInt uiSymbol = pcCU->getICFlag( uiAbsPartIdx ) ? 1 : 0;
946	UInt uiCtxIC = pcCU->getCtxICFlag( uiAbsPartIdx ) ;
947	m_pcBinIf->encodeBin( uiSymbol, m_cCUICFlagSCModel.get( 0, 0, uiCtxIC ) );
948	#if !H_MV_ENC_DEC_TRAC
949	DTRACE_CABAC_VL( g_nSymbolCounter++ );
950	DTRACE_CABAC_T( "\tICFlag" );
951	DTRACE_CABAC_T( "\tuiCtxIC: ");
952	DTRACE_CABAC_V( uiCtxIC );
953	DTRACE_CABAC_T( "\tuiSymbol: ");
954	DTRACE_CABAC_V( uiSymbol );
955	DTRACE_CABAC_T( "\n");
956	#else
957	DTRACE_CU("ic_flag", uiSymbol );
958	#endif
959	}
960	#endif
961
962
963	Void TEncSbac::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
964	{
965	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
966	return;
967
968	UInt uiCtx = pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth );
969	UInt uiCurrSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0;
970
971	assert( uiCtx < 3 );
972	#if H_3D_QTLPC
973	Bool bCodeSplitFlag = true;
974
975	TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS();
976	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
977	Bool bDepthMapDetect = (pcTexture != NULL);
978	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
979
980	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);
981
982	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && sps->getUseQTL() && sps->getUsePC())
983	{
984	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
985	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
986	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
987	bCodeSplitFlag = (pcTextureCU->getDepth(uiCUIdx) > uiDepth);
988	}
989
990	if(!bCodeSplitFlag)
991	{
992	assert(uiCurrSplitFlag == 0);
993	return;
994	}
995	#endif
996	m_pcBinIf->encodeBin( uiCurrSplitFlag, m_cCUSplitFlagSCModel.get( 0, 0, uiCtx ) );
997	#if !H_MV_ENC_DEC_TRAC
998	DTRACE_CABAC_VL( g_nSymbolCounter++ )
999	DTRACE_CABAC_T( "\tSplitFlag\n" )
1000	#else
1001	DTRACE_CU("split_cu_flag", uiCurrSplitFlag );
1002	#endif
1003	return;
1004	}
1005
1006	Void TEncSbac::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx )
1007	{
1008	m_pcBinIf->encodeBin( uiSymbol, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiCtx ) );
1009	#if !H_MV_ENC_DEC_TRAC
1010	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1011	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
1012	DTRACE_CABAC_T( "\tsymbol=" )
1013	DTRACE_CABAC_V( uiSymbol )
1014	DTRACE_CABAC_T( "\tctx=" )
1015	DTRACE_CABAC_V( uiCtx )
1016	DTRACE_CABAC_T( "\n" )
1017	#endif
1018	}
1019
1020	Void TEncSbac::codeIntraDirLumaAng( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple)
1021	{
1022	UInt dir[4],j;
1023	Int preds[4][3] = {{-1, -1, -1},{-1, -1, -1},{-1, -1, -1},{-1, -1, -1}};
1024	Int predNum[4], predIdx[4] ={ -1,-1,-1,-1};
1025	PartSize mode = pcCU->getPartitionSize( absPartIdx );
1026	UInt partNum = isMultiple?(mode==SIZE_NxN?4:1):1;
1027	UInt partOffset = ( pcCU->getPic()->getNumPartInCU() >> ( pcCU->getDepth(absPartIdx) << 1 ) ) >> 2;
1028	for (j=0;j<partNum;j++)
1029	{
1030	dir[j] = pcCU->getLumaIntraDir( absPartIdx+partOffset*j );
1031	#if H_3D_DIM
1032	if( pcCU->getSlice()->getVpsDepthModesFlag() )
1033	{
1034	codeIntraDepth( pcCU, absPartIdx+partOffset*j );
1035	}
1036	if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1037	#if H_3D_DIM_SDC
1038	#if QC_GENERIC_SDC_G0122
1039	if( 1 )
1040	#else
1041	if( !pcCU->getSDCFlag( absPartIdx+partOffset*j ) )
1042	#endif
1043	#endif
1044	{
1045	#endif
1046	predNum[j] = pcCU->getIntraDirLumaPredictor(absPartIdx+partOffset*j, preds[j]);
1047	for(UInt i = 0; i < predNum[j]; i++)
1048	{
1049	if(dir[j] == preds[j][i])
1050	{
1051	predIdx[j] = i;
1052	}
1053	}
1054	m_pcBinIf->encodeBin((predIdx[j] != -1)? 1 : 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1055	#if H_MV_ENC_DEC_TRAC
1056	DTRACE_CU("prev_intra_luma_pred_flag", (predIdx[j] != -1)? 1 : 0);
1057	#endif
1058	#if H_3D_DIM
1059	}
1060	#endif
1061
1062	}
1063	for (j=0;j<partNum;j++)
1064	{
1065	#if H_3D_DIM
1066	if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1067	#if H_3D_DIM_SDC
1068	#if QC_GENERIC_SDC_G0122
1069	if( 1 )
1070	#else
1071	if( !pcCU->getSDCFlag( absPartIdx+partOffset*j ) )
1072	#endif
1073	#endif
1074	{
1075	#endif
1076	if(predIdx[j] != -1)
1077	{
1078	m_pcBinIf->encodeBinEP( predIdx[j] ? 1 : 0 );
1079	if (predIdx[j])
1080	{
1081	m_pcBinIf->encodeBinEP( predIdx[j]-1 );
1082	}
1083	#if H_MV_ENC_DEC_TRAC
1084	DTRACE_CU("mpm_idx", predIdx[j] );
1085	#endif
1086	}
1087	else
1088	{
1089	if (preds[j][0] > preds[j][1])
1090	{
1091	std::swap(preds[j][0], preds[j][1]);
1092	}
1093	if (preds[j][0] > preds[j][2])
1094	{
1095	std::swap(preds[j][0], preds[j][2]);
1096	}
1097	if (preds[j][1] > preds[j][2])
1098	{
1099	std::swap(preds[j][1], preds[j][2]);
1100	}
1101	for(Int i = (predNum[j] - 1); i >= 0; i--)
1102	{
1103	dir[j] = dir[j] > preds[j][i] ? dir[j] - 1 : dir[j];
1104	}
1105	m_pcBinIf->encodeBinsEP( dir[j], 5 );
1106	#if H_MV_ENC_DEC_TRAC
1107	DTRACE_CU("rem_intra_luma_pred_mode", dir[j] );
1108	#endif
1109	}
1110	#if H_3D_DIM
1111	}
1112	#endif
1113	}
1114	return;
1115	}
1116
1117	Void TEncSbac::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx )
1118	{
1119	UInt uiIntraDirChroma = pcCU->getChromaIntraDir( uiAbsPartIdx );
1120
1121	if( uiIntraDirChroma == DM_CHROMA_IDX )
1122	{
1123	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1124	#if H_MV_ENC_DEC_TRAC
1125	DTRACE_CU("intra_chroma_pred_mode", 0 );
1126	#endif
1127	}
1128	else
1129	{
1130	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1131	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1132
1133	for( Int i = 0; i < NUM_CHROMA_MODE - 1; i++ )
1134	{
1135	if( uiIntraDirChroma == uiAllowedChromaDir[i] )
1136	{
1137	uiIntraDirChroma = i;
1138	break;
1139	}
1140	}
1141	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1142
1143	m_pcBinIf->encodeBinsEP( uiIntraDirChroma, 2 );
1144	#if H_MV_ENC_DEC_TRAC
1145	DTRACE_CU("intra_chroma_pred_mode", uiIntraDirChroma );
1146	#endif
1147
1148	}
1149	return;
1150	}
1151
1152	#if H_3D_DIM
1153	Void TEncSbac::codeIntraDepth( TComDataCU* pcCU, UInt absPartIdx )
1154	{
1155	codeIntraDepthMode( pcCU, absPartIdx );
1156
1157	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
1158	UInt dimType = getDimType( dir );
1159
1160	switch( dimType )
1161	{
1162	#if H_3D_DIM_DMM
1163	case( DMM1_IDX ):
1164	{
1165	xCodeDmm1WedgeIdx( pcCU->getDmmWedgeTabIdx( dimType, absPartIdx ), g_dmm1TabIdxBits[pcCU->getIntraSizeIdx(absPartIdx)] );
1166	} break;
1167	case( DMM4_IDX ): break;
1168	#endif
1169	default: break;
1170	}
1171
1172	if( dimType < DIM_NUM_TYPE \|\| pcCU->getSDCFlag( absPartIdx ) )
1173	{
1174	UInt dimDeltaDC;
1175	Pel deltaDC;
1176	#if QC_GENERIC_SDC_G0122
1177	UInt uiNumSegments = isDimMode( dir ) ? 2 : 1;
1178	#else
1179	UInt uiNumSegments = ( dir == PLANAR_IDX ) ? 1 : 2;
1180	#endif
1181	if( pcCU->getSDCFlag( absPartIdx ) )
1182	{
1183	if( uiNumSegments==1 )
1184	{
1185	dimDeltaDC = pcCU->getSDCSegmentDCOffset(0, absPartIdx) ? 1 : 0;
1186	}
1187	else
1188	{
1189	dimDeltaDC = ( pcCU->getSDCSegmentDCOffset(0, absPartIdx) \|\| pcCU->getSDCSegmentDCOffset(1, absPartIdx) ) ? 1 : 0;
1190	}
1191	}
1192	else
1193	{
1194	dimDeltaDC = isDimDeltaDC( dir );
1195	}
1196
1197	m_pcBinIf->encodeBin( dimDeltaDC, m_cDdcFlagSCModel.get(0, 0, uiNumSegments-1) );
1198
1199	if( dimDeltaDC )
1200	{
1201	for( UInt segment = 0; segment < uiNumSegments; segment++ )
1202	{
1203	deltaDC = pcCU->getSDCFlag( absPartIdx ) ? pcCU->getSDCSegmentDCOffset(segment, absPartIdx) : pcCU->getDimDeltaDC( dimType, segment, absPartIdx );
1204	xCodeDimDeltaDC( deltaDC, uiNumSegments );
1205	}
1206	}
1207	}
1208	}
1209
1210	#if QC_GENERIC_SDC_G0122
1211	Void TEncSbac::codeIntraDepthMode( TComDataCU* pcCU, UInt absPartIdx )
1212	{
1213	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
1214
1215	if( ( pcCU->getSlice()->getSPS()->getMaxCUWidth() >> pcCU->getDepth( absPartIdx ) ) < 64 ) //DMM and HEVC intra modes are both allowed
1216	{
1217	m_pcBinIf->encodeBin( isDimMode( dir ) ? 0 : 1, m_cAngleFlagSCModel.get( 0, 0, pcCU->getCtxAngleFlag( absPartIdx ) ) );
1218	}
1219
1220	if( pcCU->getPartitionSize( absPartIdx ) == SIZE_2Nx2N ) //SDC is allowed only in this case
1221	{
1222	m_pcBinIf->encodeBin( pcCU->getSDCFlag( absPartIdx ) ? 1 : 0, m_cIntraSdcFlagSCModel.get( 0, 0, pcCU->getCtxSDCFlag( absPartIdx ) ) );
1223	}
1224
1225	if( isDimMode( dir ) )
1226	{
1227	UInt uiCodeIdx = 0;
1228
1229	switch( getDimType( dir ) )
1230	{
1231	case DMM1_IDX: uiCodeIdx = 0; break;
1232	case DMM4_IDX: uiCodeIdx = 1; break;
1233	default: break;
1234	}
1235	//mode coding
1236	m_pcBinIf->encodeBin( uiCodeIdx == 0 ? 0 : 1, m_cDepthIntraModeSCModel.get( 0, 0, 0 ) );
1237	}
1238	}
1239	#else
1240	Void TEncSbac::codeIntraDepthMode( TComDataCU* pcCU, UInt absPartIdx )
1241	{
1242	UInt codeWordTable[3][7] = {{0, 0, 0, 1, 0, 0, 0},{0, 2, 6, 14, 15, 0, 0},{0, 1, 0, 0, 0, 0, 0}};
1243	UInt codeWordLenTable[3][7] = {{0, 1, 0, 1, 0, 0, 0},{1, 2, 3, 4, 4, 0, 0},{1, 1, 0, 0, 0, 0, 0}};
1244	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
1245	UInt puIdx = (pcCU->getWidth(absPartIdx) == 64) ? 2 : ( (pcCU->getPartitionSize(absPartIdx) == SIZE_NxN && pcCU->getWidth(absPartIdx) == 8) ? 0 : 1 );
1246	UInt codeIdx = 0;
1247
1248	if( dir < NUM_INTRA_MODE )
1249	{
1250	codeIdx = 1;
1251	}
1252	if( isDimMode( dir ) )
1253	{
1254	switch( getDimType( dir ) )
1255	{
1256	case DMM1_IDX: codeIdx = 3; break;
1257	case DMM4_IDX: codeIdx = 4; break;
1258	default: break;
1259	}
1260	}
1261
1262	#if H_3D_DIM_SDC
1263	if( pcCU->getSDCFlag( absPartIdx ) )
1264	{
1265	switch( dir )
1266	{
1267	case PLANAR_IDX: codeIdx = 0; break;
1268	default: codeIdx = 2; break;
1269	}
1270	}
1271	#endif
1272	//mode coding
1273	for( UInt i = 0; i < codeWordLenTable[puIdx][codeIdx]; i++ )
1274	{
1275	UInt bit = codeWordTable[puIdx][codeIdx] & ( 1<<(codeWordLenTable[puIdx][codeIdx] - i - 1) );
1276	UInt ctxDepthMode = puIdx*3 + ( (i >= 2) ? 2 : i );
1277	m_pcBinIf->encodeBin( bit!=0 , m_cDepthIntraModeSCModel.get(0, 0, ctxDepthMode) );
1278	}
1279	}
1280	#endif
1281	#endif
1282
1283
1284	Void TEncSbac::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
1285	{
1286	const UInt uiInterDir = pcCU->getInterDir( uiAbsPartIdx ) - 1;
1287	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1288	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1289	if (pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N \|\| pcCU->getHeight(uiAbsPartIdx) != 8 )
1290	{
1291	m_pcBinIf->encodeBin( uiInterDir == 2 ? 1 : 0, *( pCtx + uiCtx ) );
1292	}
1293	if (uiInterDir < 2)
1294	{
1295	m_pcBinIf->encodeBin( uiInterDir, *( pCtx + 4 ) );
1296	}
1297	#if H_MV_ENC_DEC_TRAC
1298	DTRACE_PU("inter_pred_idc", uiInterDir );
1299	#endif
1300
1301	return;
1302	}
1303
1304	Void TEncSbac::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1305	{
1306	{
1307	Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1308	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1309	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1310
1311	if( iRefFrame > 0 )
1312	{
1313	UInt uiRefNum = pcCU->getSlice()->getNumRefIdx( eRefList ) - 2;
1314	pCtx++;
1315	iRefFrame--;
1316	for( UInt ui = 0; ui < uiRefNum; ++ui )
1317	{
1318	const UInt uiSymbol = ui == iRefFrame ? 0 : 1;
1319	if( ui == 0 )
1320	{
1321	m_pcBinIf->encodeBin( uiSymbol, *pCtx );
1322	}
1323	else
1324	{
1325	m_pcBinIf->encodeBinEP( uiSymbol );
1326	}
1327	if( uiSymbol == 0 )
1328	{
1329	break;
1330	}
1331	}
1332	}
1333	#if H_MV_ENC_DEC_TRAC
1334	#if ENC_DEC_TRACE
1335	iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1336	if ( eRefList == REF_PIC_LIST_0 )
1337	{
1338	DTRACE_PU("ref_idx_l0", iRefFrame)
1339	}
1340	else
1341	{
1342	DTRACE_PU("ref_idx_l1", iRefFrame)
1343	}
1344	#endif
1345	#endif
1346	}
1347	return;
1348	}
1349
1350	Void TEncSbac::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1351	{
1352	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1353	{
1354	return;
1355	}
1356
1357	const TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList );
1358	const Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor();
1359	const Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer();
1360	ContextModel* pCtx = m_cCUMvdSCModel.get( 0 );
1361
1362	m_pcBinIf->encodeBin( iHor != 0 ? 1 : 0, *pCtx );
1363	m_pcBinIf->encodeBin( iVer != 0 ? 1 : 0, *pCtx );
1364
1365	const Bool bHorAbsGr0 = iHor != 0;
1366	const Bool bVerAbsGr0 = iVer != 0;
1367	const UInt uiHorAbs = 0 > iHor ? -iHor : iHor;
1368	const UInt uiVerAbs = 0 > iVer ? -iVer : iVer;
1369	pCtx++;
1370
1371	if( bHorAbsGr0 )
1372	{
1373	m_pcBinIf->encodeBin( uiHorAbs > 1 ? 1 : 0, *pCtx );
1374	}
1375
1376	if( bVerAbsGr0 )
1377	{
1378	m_pcBinIf->encodeBin( uiVerAbs > 1 ? 1 : 0, *pCtx );
1379	}
1380
1381	if( bHorAbsGr0 )
1382	{
1383	if( uiHorAbs > 1 )
1384	{
1385	xWriteEpExGolomb( uiHorAbs-2, 1 );
1386	}
1387
1388	m_pcBinIf->encodeBinEP( 0 > iHor ? 1 : 0 );
1389	}
1390
1391	if( bVerAbsGr0 )
1392	{
1393	if( uiVerAbs > 1 )
1394	{
1395	xWriteEpExGolomb( uiVerAbs-2, 1 );
1396	}
1397
1398	m_pcBinIf->encodeBinEP( 0 > iVer ? 1 : 0 );
1399	}
1400
1401	return;
1402	}
1403
1404	Void TEncSbac::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx )
1405	{
1406	Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
1407
1408	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY();
1409	iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
1410
1411	UInt uiAbsDQp = (UInt)((iDQp > 0)? iDQp : (-iDQp));
1412	UInt TUValue = min((Int)uiAbsDQp, CU_DQP_TU_CMAX);
1413	xWriteUnaryMaxSymbol( TUValue, &m_cCUDeltaQpSCModel.get( 0, 0, 0 ), 1, CU_DQP_TU_CMAX);
1414	if( uiAbsDQp >= CU_DQP_TU_CMAX )
1415	{
1416	xWriteEpExGolomb( uiAbsDQp - CU_DQP_TU_CMAX, CU_DQP_EG_k );
1417	}
1418
1419	if ( uiAbsDQp > 0)
1420	{
1421	UInt uiSign = (iDQp > 0 ? 0 : 1);
1422	m_pcBinIf->encodeBinEP(uiSign);
1423	}
1424
1425	return;
1426	}
1427
1428	Void TEncSbac::codeQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth )
1429	{
1430	UInt uiCbf = pcCU->getCbf ( uiAbsPartIdx, eType, uiTrDepth );
1431	UInt uiCtx = pcCU->getCtxQtCbf( eType, uiTrDepth );
1432	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) );
1433	#if !H_MV_ENC_DEC_TRAC
1434	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1435	DTRACE_CABAC_T( "\tparseQtCbf()" )
1436	DTRACE_CABAC_T( "\tsymbol=" )
1437	DTRACE_CABAC_V( uiCbf )
1438	DTRACE_CABAC_T( "\tctx=" )
1439	DTRACE_CABAC_V( uiCtx )
1440	DTRACE_CABAC_T( "\tetype=" )
1441	DTRACE_CABAC_V( eType )
1442	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1443	DTRACE_CABAC_V( uiAbsPartIdx )
1444	DTRACE_CABAC_T( "\n" )
1445	#endif
1446	}
1447
1448	void TEncSbac::codeTransformSkipFlags (TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, TextType eTType )
1449	{
1450	if (pcCU->getCUTransquantBypass(uiAbsPartIdx))
1451	{
1452	return;
1453	}
1454	if(width != 4 \|\| height != 4)
1455	{
1456	return;
1457	}
1458
1459	UInt useTransformSkip = pcCU->getTransformSkip( uiAbsPartIdx,eTType);
1460	m_pcBinIf->encodeBin( useTransformSkip, m_cTransformSkipSCModel.get( 0, eTType? TEXT_CHROMA: TEXT_LUMA, 0 ) );
1461	#if !H_MV_ENC_DEC_TRAC
1462	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1463	DTRACE_CABAC_T("\tparseTransformSkip()");
1464	DTRACE_CABAC_T( "\tsymbol=" )
1465	DTRACE_CABAC_V( useTransformSkip )
1466	DTRACE_CABAC_T( "\tAddr=" )
1467	DTRACE_CABAC_V( pcCU->getAddr() )
1468	DTRACE_CABAC_T( "\tetype=" )
1469	DTRACE_CABAC_V( eTType )
1470	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1471	DTRACE_CABAC_V( uiAbsPartIdx )
1472	DTRACE_CABAC_T( "\n" )
1473	#endif
1474	}
1475
1476	/** Code I_PCM information.
1477	* \param pcCU pointer to CU
1478	* \param uiAbsPartIdx CU index
1479	* \returns Void
1480	*/
1481	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
1482	{
1483	UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0;
1484
1485	Bool writePCMSampleFlag = pcCU->getIPCMFlag(uiAbsPartIdx);
1486
1487	m_pcBinIf->encodeBinTrm (uiIPCM);
1488	#if H_MV_ENC_DEC_TRAC
1489	DTRACE_CU("pcm_flag", uiIPCM)
1490	#endif
1491	if (writePCMSampleFlag)
1492	{
1493	m_pcBinIf->encodePCMAlignBits();
1494
1495	UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight();
1496	UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx;
1497	UInt uiChromaOffset = uiLumaOffset>>2;
1498	Pel* piPCMSample;
1499	UInt uiWidth;
1500	UInt uiHeight;
1501	UInt uiSampleBits;
1502	UInt uiX, uiY;
1503
1504	piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset;
1505	uiWidth = pcCU->getWidth(uiAbsPartIdx);
1506	uiHeight = pcCU->getHeight(uiAbsPartIdx);
1507	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma();
1508
1509	for(uiY = 0; uiY < uiHeight; uiY++)
1510	{
1511	for(uiX = 0; uiX < uiWidth; uiX++)
1512	{
1513	UInt uiSample = piPCMSample[uiX];
1514
1515	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1516	}
1517	piPCMSample += uiWidth;
1518	}
1519
1520	piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset;
1521	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1522	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1523	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1524
1525	for(uiY = 0; uiY < uiHeight; uiY++)
1526	{
1527	for(uiX = 0; uiX < uiWidth; uiX++)
1528	{
1529	UInt uiSample = piPCMSample[uiX];
1530
1531	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1532	}
1533	piPCMSample += uiWidth;
1534	}
1535
1536	piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset;
1537	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1538	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1539	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1540
1541	for(uiY = 0; uiY < uiHeight; uiY++)
1542	{
1543	for(uiX = 0; uiX < uiWidth; uiX++)
1544	{
1545	UInt uiSample = piPCMSample[uiX];
1546
1547	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1548	}
1549	piPCMSample += uiWidth;
1550	}
1551	m_pcBinIf->resetBac();
1552	}
1553	}
1554
1555	Void TEncSbac::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx )
1556	{
1557	UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx );
1558	UInt uiCtx = 0;
1559	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1560	#if !H_MV_ENC_DEC_TRAC
1561	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1562	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1563	DTRACE_CABAC_T( "\tsymbol=" )
1564	DTRACE_CABAC_V( uiCbf )
1565	DTRACE_CABAC_T( "\tctx=" )
1566	DTRACE_CABAC_V( uiCtx )
1567	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1568	DTRACE_CABAC_V( uiAbsPartIdx )
1569	DTRACE_CABAC_T( "\n" )
1570	#else
1571	DTRACE_CU( "rqt_root_cbf", uiCbf )
1572	#endif
1573	}
1574
1575	Void TEncSbac::codeQtCbfZero( TComDataCU* pcCU, TextType eType, UInt uiTrDepth )
1576	{
1577	// this function is only used to estimate the bits when cbf is 0
1578	// and will never be called when writing the bistream. do not need to write log
1579	UInt uiCbf = 0;
1580	UInt uiCtx = pcCU->getCtxQtCbf( eType, uiTrDepth );
1581	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) );
1582	}
1583
1584	Void TEncSbac::codeQtRootCbfZero( TComDataCU* pcCU )
1585	{
1586	// this function is only used to estimate the bits when cbf is 0
1587	// and will never be called when writing the bistream. do not need to write log
1588	UInt uiCbf = 0;
1589	UInt uiCtx = 0;
1590	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1591	}
1592
1593	/** Encode (X,Y) position of the last significant coefficient
1594	* \param uiPosX X component of last coefficient
1595	* \param uiPosY Y component of last coefficient
1596	* \param width Block width
1597	* \param height Block height
1598	* \param eTType plane type / luminance or chrominance
1599	* \param uiScanIdx scan type (zig-zag, hor, ver)
1600	* This method encodes the X and Y component within a block of the last significant coefficient.
1601	*/
1602	Void TEncSbac::codeLastSignificantXY( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx )
1603	{
1604	// swap
1605	if( uiScanIdx == SCAN_VER )
1606	{
1607	swap( uiPosX, uiPosY );
1608	}
1609
1610	UInt uiCtxLast;
1611	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
1612	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
1613	UInt uiGroupIdxX = g_uiGroupIdx[ uiPosX ];
1614	UInt uiGroupIdxY = g_uiGroupIdx[ uiPosY ];
1615
1616
1617	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
1618	blkSizeOffsetX = eTType ? 0: (g_aucConvertToBit[ width ] *3 + ((g_aucConvertToBit[ width ] +1)>>2));
1619	blkSizeOffsetY = eTType ? 0: (g_aucConvertToBit[ height ]*3 + ((g_aucConvertToBit[ height ]+1)>>2));
1620	shiftX= eTType ? g_aucConvertToBit[ width ] :((g_aucConvertToBit[ width ]+3)>>2);
1621	shiftY= eTType ? g_aucConvertToBit[ height ] :((g_aucConvertToBit[ height ]+3)>>2);
1622	// posX
1623	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxX; uiCtxLast++ )
1624	{
1625	m_pcBinIf->encodeBin( 1, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1626	}
1627	if( uiGroupIdxX < g_uiGroupIdx[ width - 1 ])
1628	{
1629	m_pcBinIf->encodeBin( 0, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1630	}
1631
1632	// posY
1633	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxY; uiCtxLast++ )
1634	{
1635	m_pcBinIf->encodeBin( 1, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1636	}
1637	if( uiGroupIdxY < g_uiGroupIdx[ height - 1 ])
1638	{
1639	m_pcBinIf->encodeBin( 0, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1640	}
1641	if ( uiGroupIdxX > 3 )
1642	{
1643	UInt uiCount = ( uiGroupIdxX - 2 ) >> 1;
1644	uiPosX = uiPosX - g_uiMinInGroup[ uiGroupIdxX ];
1645	for (Int i = uiCount - 1 ; i >= 0; i-- )
1646	{
1647	m_pcBinIf->encodeBinEP( ( uiPosX >> i ) & 1 );
1648	}
1649	}
1650	if ( uiGroupIdxY > 3 )
1651	{
1652	UInt uiCount = ( uiGroupIdxY - 2 ) >> 1;
1653	uiPosY = uiPosY - g_uiMinInGroup[ uiGroupIdxY ];
1654	for ( Int i = uiCount - 1 ; i >= 0; i-- )
1655	{
1656	m_pcBinIf->encodeBinEP( ( uiPosY >> i ) & 1 );
1657	}
1658	}
1659	}
1660
1661	Void TEncSbac::codeCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType )
1662	{
1663	#if !H_MV_ENC_DEC_TRAC
1664	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1665	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1666	DTRACE_CABAC_V( eTType )
1667	DTRACE_CABAC_T( "\twidth=" )
1668	DTRACE_CABAC_V( uiWidth )
1669	DTRACE_CABAC_T( "\theight=" )
1670	DTRACE_CABAC_V( uiHeight )
1671	DTRACE_CABAC_T( "\tdepth=" )
1672	DTRACE_CABAC_V( uiDepth )
1673	DTRACE_CABAC_T( "\tabspartidx=" )
1674	DTRACE_CABAC_V( uiAbsPartIdx )
1675	DTRACE_CABAC_T( "\ttoCU-X=" )
1676	DTRACE_CABAC_V( pcCU->getCUPelX() )
1677	DTRACE_CABAC_T( "\ttoCU-Y=" )
1678	DTRACE_CABAC_V( pcCU->getCUPelY() )
1679	DTRACE_CABAC_T( "\tCU-addr=" )
1680	DTRACE_CABAC_V( pcCU->getAddr() )
1681	DTRACE_CABAC_T( "\tinCU-X=" )
1682	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1683	DTRACE_CABAC_T( "\tinCU-Y=" )
1684	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1685	DTRACE_CABAC_T( "\tpredmode=" )
1686	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1687	DTRACE_CABAC_T( "\n" )
1688	#endif
1689	if( uiWidth > m_pcSlice->getSPS()->getMaxTrSize() )
1690	{
1691	uiWidth = m_pcSlice->getSPS()->getMaxTrSize();
1692	uiHeight = m_pcSlice->getSPS()->getMaxTrSize();
1693	}
1694
1695	UInt uiNumSig = 0;
1696
1697	// compute number of significant coefficients
1698	uiNumSig = TEncEntropy::countNonZeroCoeffs(pcCoef, uiWidth * uiHeight);
1699
1700	if ( uiNumSig == 0 )
1701	return;
1702	if(pcCU->getSlice()->getPPS()->getUseTransformSkip())
1703	{
1704	codeTransformSkipFlags( pcCU,uiAbsPartIdx, uiWidth, uiHeight, eTType );
1705	}
1706	eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA );
1707
1708	//----- encode significance map -----
1709	const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2;
1710	UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx));
1711	const UInt *scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize - 1 ];
1712
1713	Bool beValid;
1714	if (pcCU->getCUTransquantBypass(uiAbsPartIdx))
1715	{
1716	beValid = false;
1717	}
1718	else
1719	{
1720	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1721	}
1722
1723	// Find position of last coefficient
1724	Int scanPosLast = -1;
1725	Int posLast;
1726
1727	const UInt * scanCG;
1728	{
1729	scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ];
1730	if( uiLog2BlockSize == 3 )
1731	{
1732	scanCG = g_sigLastScan8x8[ uiScanIdx ];
1733	}
1734	else if( uiLog2BlockSize == 5 )
1735	{
1736	scanCG = g_sigLastScanCG32x32;
1737	}
1738	}
1739	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1740	static const UInt uiShift = MLS_CG_SIZE >> 1;
1741	const UInt uiNumBlkSide = uiWidth >> uiShift;
1742
1743	::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1744
1745	do
1746	{
1747	posLast = scan[ ++scanPosLast ];
1748
1749	// get L1 sig map
1750	UInt uiPosY = posLast >> uiLog2BlockSize;
1751	UInt uiPosX = posLast - ( uiPosY << uiLog2BlockSize );
1752	UInt uiBlkIdx = uiNumBlkSide * (uiPosY >> uiShift) + (uiPosX >> uiShift);
1753	if( pcCoef[ posLast ] )
1754	{
1755	uiSigCoeffGroupFlag[ uiBlkIdx ] = 1;
1756	}
1757
1758	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1759	}
1760	while ( uiNumSig > 0 );
1761
1762	// Code position of last coefficient
1763	Int posLastY = posLast >> uiLog2BlockSize;
1764	Int posLastX = posLast - ( posLastY << uiLog2BlockSize );
1765	codeLastSignificantXY(posLastX, posLastY, uiWidth, uiHeight, eTType, uiScanIdx);
1766
1767	//===== code significance flag =====
1768	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType );
1769	ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA;
1770
1771
1772	const Int iLastScanSet = scanPosLast >> LOG2_SCAN_SET_SIZE;
1773	UInt c1 = 1;
1774	UInt uiGoRiceParam = 0;
1775	Int iScanPosSig = scanPosLast;
1776
1777	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1778	{
1779	Int numNonZero = 0;
1780	Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE;
1781	uiGoRiceParam = 0;
1782	Int absCoeff[16];
1783	UInt coeffSigns = 0;
1784
1785	Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE;
1786
1787	if( iScanPosSig == scanPosLast )
1788	{
1789	absCoeff[ 0 ] = abs( pcCoef[ posLast ] );
1790	coeffSigns = ( pcCoef[ posLast ] < 0 );
1791	numNonZero = 1;
1792	lastNZPosInCG = iScanPosSig;
1793	firstNZPosInCG = iScanPosSig;
1794	iScanPosSig--;
1795	}
1796
1797	// encode significant_coeffgroup_flag
1798	Int iCGBlkPos = scanCG[ iSubSet ];
1799	Int iCGPosY = iCGBlkPos / uiNumBlkSide;
1800	Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide);
1801	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1802	{
1803	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1804	}
1805	else
1806	{
1807	UInt uiSigCoeffGroup = (uiSigCoeffGroupFlag[ iCGBlkPos ] != 0);
1808	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1809	m_pcBinIf->encodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1810	}
1811
1812	// encode significant_coeff_flag
1813	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1814	{
1815	Int patternSigCtx = TComTrQuant::calcPatternSigCtx( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1816	UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig;
1817	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1818	{
1819	uiBlkPos = scan[ iScanPosSig ];
1820	uiPosY = uiBlkPos >> uiLog2BlockSize;
1821	uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1822	uiSig = (pcCoef[ uiBlkPos ] != 0);
1823	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1824	{
1825	uiCtxSig = TComTrQuant::getSigCtxInc( patternSigCtx, uiScanIdx, uiPosX, uiPosY, uiLog2BlockSize, eTType );
1826	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1827	}
1828	if( uiSig )
1829	{
1830	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1831	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1832	numNonZero++;
1833	if( lastNZPosInCG == -1 )
1834	{
1835	lastNZPosInCG = iScanPosSig;
1836	}
1837	firstNZPosInCG = iScanPosSig;
1838	}
1839	}
1840	}
1841	else
1842	{
1843	iScanPosSig = iSubPos - 1;
1844	}
1845
1846	if( numNonZero > 0 )
1847	{
1848	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= SBH_THRESHOLD );
1849	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0;
1850
1851	if( c1 == 0 )
1852	{
1853	uiCtxSet++;
1854	}
1855	c1 = 1;
1856	ContextModel baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet;
1857
1858	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
1859	Int firstC2FlagIdx = -1;
1860	for( Int idx = 0; idx < numC1Flag; idx++ )
1861	{
1862	UInt uiSymbol = absCoeff[ idx ] > 1;
1863	m_pcBinIf->encodeBin( uiSymbol, baseCtxMod[c1] );
1864	if( uiSymbol )
1865	{
1866	c1 = 0;
1867
1868	if (firstC2FlagIdx == -1)
1869	{
1870	firstC2FlagIdx = idx;
1871	}
1872	}
1873	else if( (c1 < 3) && (c1 > 0) )
1874	{
1875	c1++;
1876	}
1877	}
1878
1879	if (c1 == 0)
1880	{
1881
1882	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet;
1883	if ( firstC2FlagIdx != -1)
1884	{
1885	UInt symbol = absCoeff[ firstC2FlagIdx ] > 2;
1886	m_pcBinIf->encodeBin( symbol, baseCtxMod[0] );
1887	}
1888	}
1889
1890	if( beValid && signHidden )
1891	{
1892	m_pcBinIf->encodeBinsEP( (coeffSigns >> 1), numNonZero-1 );
1893	}
1894	else
1895	{
1896	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
1897	}
1898
1899	Int iFirstCoeff2 = 1;
1900	if (c1 == 0 \|\| numNonZero > C1FLAG_NUMBER)
1901	{
1902	for ( Int idx = 0; idx < numNonZero; idx++ )
1903	{
1904	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1;
1905
1906	if( absCoeff[ idx ] >= baseLevel)
1907	{
1908	xWriteCoefRemainExGolomb( absCoeff[ idx ] - baseLevel, uiGoRiceParam );
1909	if(absCoeff[idx] > 3*(1<<uiGoRiceParam))
1910	{
1911	uiGoRiceParam = min<UInt>(uiGoRiceParam+ 1, 4);
1912	}
1913	}
1914	if(absCoeff[ idx ] >= 2)
1915	{
1916	iFirstCoeff2 = 0;
1917	}
1918	}
1919	}
1920	}
1921	}
1922
1923	return;
1924	}
1925
1926	/** code SAO offset sign
1927	* \param code sign value
1928	*/
1929	Void TEncSbac::codeSAOSign( UInt code )
1930	{
1931	m_pcBinIf->encodeBinEP( code );
1932	}
1933
1934	Void TEncSbac::codeSaoMaxUvlc ( UInt code, UInt maxSymbol )
1935	{
1936	if (maxSymbol == 0)
1937	{
1938	return;
1939	}
1940
1941	Int i;
1942	Bool bCodeLast = ( maxSymbol > code );
1943
1944	if ( code == 0 )
1945	{
1946	m_pcBinIf->encodeBinEP( 0 );
1947	}
1948	else
1949	{
1950	m_pcBinIf->encodeBinEP( 1 );
1951	for ( i=0; i<code-1; i++ )
1952	{
1953	m_pcBinIf->encodeBinEP( 1 );
1954	}
1955	if( bCodeLast )
1956	{
1957	m_pcBinIf->encodeBinEP( 0 );
1958	}
1959	}
1960	}
1961
1962
1963	/** Code SAO EO class or BO band position
1964	* \param uiLength
1965	* \param uiCode
1966	*/
1967	Void TEncSbac::codeSaoUflc ( UInt uiLength, UInt uiCode )
1968	{
1969	m_pcBinIf->encodeBinsEP ( uiCode, uiLength );
1970	}
1971	/** Code SAO merge flags
1972	* \param uiCode
1973	* \param uiCompIdx
1974	*/
1975	Void TEncSbac::codeSaoMerge ( UInt uiCode )
1976	{
1977	if (uiCode == 0)
1978	{
1979	m_pcBinIf->encodeBin(0, m_cSaoMergeSCModel.get( 0, 0, 0 ));
1980	}
1981	else
1982	{
1983	m_pcBinIf->encodeBin(1, m_cSaoMergeSCModel.get( 0, 0, 0 ));
1984	}
1985	}
1986	/** Code SAO type index
1987	* \param uiCode
1988	*/
1989	Void TEncSbac::codeSaoTypeIdx ( UInt uiCode)
1990	{
1991	if (uiCode == 0)
1992	{
1993	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
1994	}
1995	else
1996	{
1997	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
1998	m_pcBinIf->encodeBinEP( uiCode <= 4 ? 1 : 0 );
1999	}
2000	}
2001	/*!
2002	****************************************************************************
2003	* \brief
2004	* estimate bit cost for CBP, significant map and significant coefficients
2005	****************************************************************************
2006	*/
2007	Void TEncSbac::estBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2008	{
2009	estCBFBit( pcEstBitsSbac );
2010
2011	estSignificantCoeffGroupMapBit( pcEstBitsSbac, eTType );
2012
2013	// encode significance map
2014	estSignificantMapBit( pcEstBitsSbac, width, height, eTType );
2015
2016	// encode significant coefficients
2017	estSignificantCoefficientsBit( pcEstBitsSbac, eTType );
2018	}
2019
2020	/*!
2021	****************************************************************************
2022	* \brief
2023	* estimate bit cost for each CBP bit
2024	****************************************************************************
2025	*/
2026	Void TEncSbac::estCBFBit( estBitsSbacStruct* pcEstBitsSbac )
2027	{
2028	ContextModel *pCtx = m_cCUQtCbfSCModel.get( 0 );
2029
2030	for( UInt uiCtxInc = 0; uiCtxInc < 3*NUM_QT_CBF_CTX; uiCtxInc++ )
2031	{
2032	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2033	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2034	}
2035
2036	pCtx = m_cCUQtRootCbfSCModel.get( 0 );
2037
2038	for( UInt uiCtxInc = 0; uiCtxInc < 4; uiCtxInc++ )
2039	{
2040	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2041	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2042	}
2043	}
2044
2045
2046	/*!
2047	****************************************************************************
2048	* \brief
2049	* estimate SAMBAC bit cost for significant coefficient group map
2050	****************************************************************************
2051	*/
2052	Void TEncSbac::estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, TextType eTType )
2053	{
2054	Int firstCtx = 0, numCtx = NUM_SIG_CG_FLAG_CTX;
2055
2056	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2057	{
2058	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2059	{
2060	pcEstBitsSbac->significantCoeffGroupBits[ ctxIdx ][ uiBin ] = m_cCUSigCoeffGroupSCModel.get( 0, eTType, ctxIdx ).getEntropyBits( uiBin );
2061	}
2062	}
2063	}
2064
2065
2066	/*!
2067	****************************************************************************
2068	* \brief
2069	* estimate SAMBAC bit cost for significant coefficient map
2070	****************************************************************************
2071	*/
2072	Void TEncSbac::estSignificantMapBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2073	{
2074	Int firstCtx = 1, numCtx = 8;
2075	if (max(width, height) >= 16)
2076	{
2077	firstCtx = (eTType == TEXT_LUMA) ? 21 : 12;
2078	numCtx = (eTType == TEXT_LUMA) ? 6 : 3;
2079	}
2080	else if (width == 8)
2081	{
2082	firstCtx = 9;
2083	numCtx = (eTType == TEXT_LUMA) ? 12 : 3;
2084	}
2085
2086	if (eTType == TEXT_LUMA )
2087	{
2088	for( UInt bin = 0; bin < 2; bin++ )
2089	{
2090	pcEstBitsSbac->significantBits[ 0 ][ bin ] = m_cCUSigSCModel.get( 0, 0, 0 ).getEntropyBits( bin );
2091	}
2092
2093	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2094	{
2095	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2096	{
2097	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, ctxIdx ).getEntropyBits( uiBin );
2098	}
2099	}
2100	}
2101	else
2102	{
2103	for( UInt bin = 0; bin < 2; bin++ )
2104	{
2105	pcEstBitsSbac->significantBits[ 0 ][ bin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + 0 ).getEntropyBits( bin );
2106	}
2107	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2108	{
2109	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2110	{
2111	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + ctxIdx ).getEntropyBits( uiBin );
2112	}
2113	}
2114	}
2115	Int iBitsX = 0, iBitsY = 0;
2116	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
2117
2118	blkSizeOffsetX = eTType ? 0: (g_aucConvertToBit[ width ] *3 + ((g_aucConvertToBit[ width ] +1)>>2));
2119	blkSizeOffsetY = eTType ? 0: (g_aucConvertToBit[ height ]*3 + ((g_aucConvertToBit[ height ]+1)>>2));
2120	shiftX = eTType ? g_aucConvertToBit[ width ] :((g_aucConvertToBit[ width ]+3)>>2);
2121	shiftY = eTType ? g_aucConvertToBit[ height ] :((g_aucConvertToBit[ height ]+3)>>2);
2122
2123	Int ctx;
2124	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
2125	for (ctx = 0; ctx < g_uiGroupIdx[ width - 1 ]; ctx++)
2126	{
2127	Int ctxOffset = blkSizeOffsetX + (ctx >>shiftX);
2128	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffset ].getEntropyBits( 0 );
2129	iBitsX += pCtxX[ ctxOffset ].getEntropyBits( 1 );
2130	}
2131	pcEstBitsSbac->lastXBits[ctx] = iBitsX;
2132	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
2133	for (ctx = 0; ctx < g_uiGroupIdx[ height - 1 ]; ctx++)
2134	{
2135	Int ctxOffset = blkSizeOffsetY + (ctx >>shiftY);
2136	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffset ].getEntropyBits( 0 );
2137	iBitsY += pCtxY[ ctxOffset ].getEntropyBits( 1 );
2138	}
2139	pcEstBitsSbac->lastYBits[ctx] = iBitsY;
2140	}
2141
2142	/*!
2143	****************************************************************************
2144	* \brief
2145	* estimate bit cost of significant coefficient
2146	****************************************************************************
2147	*/
2148	Void TEncSbac::estSignificantCoefficientsBit( estBitsSbacStruct* pcEstBitsSbac, TextType eTType )
2149	{
2150	if (eTType==TEXT_LUMA)
2151	{
2152	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0);
2153	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0);
2154
2155	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_LUMA; ctxIdx++)
2156	{
2157	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2158	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2159	}
2160
2161	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_LUMA; ctxIdx++)
2162	{
2163	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2164	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2165	}
2166	}
2167	else
2168	{
2169	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0) + NUM_ONE_FLAG_CTX_LUMA;
2170	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0) + NUM_ABS_FLAG_CTX_LUMA;
2171
2172	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_CHROMA; ctxIdx++)
2173	{
2174	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2175	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2176	}
2177
2178	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_CHROMA; ctxIdx++)
2179	{
2180	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2181	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2182	}
2183	}
2184	}
2185
2186	/**
2187	- Initialize our context information from the nominated source.
2188	.
2189	\param pSrc From where to copy context information.
2190	*/
2191	Void TEncSbac::xCopyContextsFrom( TEncSbac* pSrc )
2192	{
2193	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2194	}
2195
2196	Void TEncSbac::loadContexts ( TEncSbac* pScr)
2197	{
2198	this->xCopyContextsFrom(pScr);
2199	}
2200
2201	#if H_3D_INTER_SDC
2202	Void TEncSbac::codeInterSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
2203	{
2204	UInt uiSymbol = pcCU->getInterSDCFlag( uiAbsPartIdx ) ? 1 : 0;
2205	UInt uiCtxInterSDCFlag = pcCU->getCtxInterSDCFlag( uiAbsPartIdx );
2206
2207	m_pcBinIf->encodeBin( uiSymbol, m_cInterSDCFlagSCModel.get( 0, 0, uiCtxInterSDCFlag ) );
2208	}
2209
2210	Void TEncSbac::codeInterSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiSegment )
2211	{
2212	Pel segmentDCOffset = pcCU->getInterSDCSegmentDCOffset( uiSegment, uiAbsPartIdx );
2213
2214	UInt uiSign = segmentDCOffset < 0 ? 1 : 0;
2215	UInt uiAbsIdx = abs( segmentDCOffset );
2216
2217	assert( uiAbsIdx > 0 );
2218	uiAbsIdx--;
2219	xWriteExGolombLevel( uiAbsIdx, m_cInterSDCResidualSCModel.get( 0, 0, 0 ) );
2220	m_pcBinIf->encodeBin( uiSign, m_cInterSDCResidualSignFlagSCModel.get( 0, 0, 0 ) );
2221	}
2222	#endif
2223	//! \}

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