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TEncSbac.cpp

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Last change on this file was 195, checked in by tech, 12 years ago
Changed macro switch names to match conventions.
Property svn:eol-style set to `native`
File size: 90.0 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) 2010-2012, 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	#if RWTH_SDC_DLT_B0036
45	#define GetNumDepthValues() (pcCU->getSlice()->getSPS()->getNumDepthValues())
46	#define GetBitsPerDepthValue() (pcCU->getSlice()->getSPS()->getBitsPerDepthValue())
47	#endif
48
49	//! \ingroup TLibEncoder
50	//! \{
51
52	// ====================================================================================================================
53	// Constructor / destructor / create / destroy
54	// ====================================================================================================================
55
56	TEncSbac::TEncSbac()
57	// new structure here
58	: m_pcBitIf ( NULL )
59	, m_pcSlice ( NULL )
60	, m_pcBinIf ( NULL )
61	, m_bAlfCtrl ( false )
62	, m_uiCoeffCost ( 0 )
63	, m_uiMaxAlfCtrlDepth ( 0 )
64	, m_numContextModels ( 0 )
65	, m_cCUSplitFlagSCModel ( 1, 1, NUM_SPLIT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels )
66	, m_cCUSkipFlagSCModel ( 1, 1, NUM_SKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
67	#if LGE_ILLUCOMP_B0045
68	, m_cCUICFlagSCModel ( 1, 1, NUM_IC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
69	#endif
70	, m_cCUMergeFlagExtSCModel ( 1, 1, NUM_MERGE_FLAG_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
71	, m_cCUMergeIdxExtSCModel ( 1, 1, NUM_MERGE_IDX_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
72	#if HHI_INTER_VIEW_RESIDUAL_PRED
73	, m_cResPredFlagSCModel ( 1, 1, NUM_RES_PRED_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
74	#endif
75	, m_cCUPartSizeSCModel ( 1, 1, NUM_PART_SIZE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
76	, m_cCUPredModeSCModel ( 1, 1, NUM_PRED_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
77	, m_cCUAlfCtrlFlagSCModel ( 1, 1, NUM_ALF_CTRL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
78	, m_cCUIntraPredSCModel ( 1, 1, NUM_ADI_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, 2, NUM_QT_CBF_CTX , 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, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
90	, m_cCuCtxLastY ( 1, 2, 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_cALFFlagSCModel ( 1, 1, NUM_ALF_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
95	, m_cALFUvlcSCModel ( 1, 1, NUM_ALF_UVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
96	, m_cALFSvlcSCModel ( 1, 1, NUM_ALF_SVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
97	#if AMP_CTX
98	, m_cCUAMPSCModel ( 1, 1, NUM_CU_AMP_CTX , m_contextModels + m_numContextModels, m_numContextModels)
99	#else
100	, m_cCUXPosiSCModel ( 1, 1, NUM_CU_X_POS_CTX , m_contextModels + m_numContextModels, m_numContextModels)
101	, m_cCUYPosiSCModel ( 1, 1, NUM_CU_Y_POS_CTX , m_contextModels + m_numContextModels, m_numContextModels)
102	#endif
103	, m_cSaoFlagSCModel ( 1, 1, NUM_SAO_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
104	, m_cSaoUvlcSCModel ( 1, 1, NUM_SAO_UVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
105	, m_cSaoSvlcSCModel ( 1, 1, NUM_SAO_SVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
106	#if SAO_UNIT_INTERLEAVING
107	, m_cSaoMergeLeftSCModel ( 1, 1, NUM_SAO_MERGE_LEFT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
108	, m_cSaoMergeUpSCModel ( 1, 1, NUM_SAO_MERGE_UP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
109	, m_cSaoTypeIdxSCModel ( 1, 1, NUM_SAO_TYPE_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
110	#endif
111	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
112	, m_cDmmFlagSCModel ( 1, 1, NUM_DMM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
113	, m_cDmmModeSCModel ( 1, 1, NUM_DMM_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
114	, m_cDmmDataSCModel ( 1, 1, NUM_DMM_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
115	#endif
116	#if LGE_EDGE_INTRA_A0070
117	, m_cEdgeIntraSCModel ( 1, 1, NUM_EDGE_INTRA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
118	#if LGE_EDGE_INTRA_DELTA_DC
119	, m_cEdgeIntraDeltaDCSCModel ( 1, 1, NUM_EDGE_INTRA_DELTA_DC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
120	#endif
121	#endif
122	#if RWTH_SDC_DLT_B0036
123	, m_cSDCFlagSCModel ( 1, 1, SDC_NUM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
124	, m_cSDCResidualFlagSCModel ( 1, 2, SDC_NUM_RESIDUAL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
125	, m_cSDCResidualSignFlagSCModel ( 1, 2, SDC_NUM_SIGN_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
126	, m_cSDCResidualSCModel ( 1, 2, SDC_NUM_RESIDUAL_CTX , m_contextModels + m_numContextModels, m_numContextModels)
127	, m_cSDCPredModeSCModel ( 1, 3, SDC_NUM_PRED_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
128	#endif
129	{
130	assert( m_numContextModels <= MAX_NUM_CTX_MOD );
131	m_iSliceGranularity = 0;
132	}
133
134	TEncSbac::~TEncSbac()
135	{
136	}
137
138	// ====================================================================================================================
139	// Public member functions
140	// ====================================================================================================================
141
142	Void TEncSbac::resetEntropy ()
143	{
144	Int iQp = m_pcSlice->getSliceQp();
145	SliceType eSliceType = m_pcSlice->getSliceType();
146
147	#if CABAC_INIT_FLAG
148	Int encCABACTableIdx = m_pcSlice->getPPS()->getEncCABACTableIdx();
149	if (!m_pcSlice->isIntra() && (encCABACTableIdx==B_SLICE \|\| encCABACTableIdx==P_SLICE) && m_pcSlice->getPPS()->getCabacInitPresentFlag())
150	{
151	eSliceType = (SliceType) encCABACTableIdx;
152	}
153	#endif
154
155	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
156
157	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
158	#if LGE_ILLUCOMP_B0045
159	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
160	#endif
161	m_cCUAlfCtrlFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_CTRL_FLAG );
162	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
163	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
164	#if HHI_INTER_VIEW_RESIDUAL_PRED
165	m_cResPredFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_RES_PRED_FLAG );
166	#endif
167	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
168	#if AMP_CTX
169	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
170	#else
171	m_cCUXPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_X_POS );
172	m_cCUYPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_Y_POS );
173	#endif
174	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
175	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
176	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
177	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
178	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
179	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
180	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
181	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
182	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
183	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
184	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
185	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
186	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
187	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
188	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
189	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
190	m_cALFFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_FLAG );
191	m_cALFUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_UVLC );
192	m_cALFSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_SVLC );
193	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
194	m_cSaoFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_FLAG );
195	m_cSaoUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_UVLC );
196	m_cSaoSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_SVLC );
197	#if SAO_UNIT_INTERLEAVING
198	m_cSaoMergeLeftSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG );
199	m_cSaoMergeUpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_UP_FLAG );
200	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
201	#endif
202	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
203	m_cDmmFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_FLAG );
204	m_cDmmModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_MODE );
205	m_cDmmDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_DATA );
206	#endif
207	#if LGE_EDGE_INTRA_A0070
208	m_cEdgeIntraSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_EDGE_INTRA );
209	#if LGE_EDGE_INTRA_DELTA_DC
210	m_cEdgeIntraDeltaDCSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_EDGE_INTRA_DELTA_DC );
211	#endif
212	#endif
213	#if RWTH_SDC_DLT_B0036
214	m_cSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_FLAG );
215	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
216	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
217	m_cSDCResidualSignFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_SIGN_FLAG );
218	m_cSDCPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_PRED_MODE );
219	#endif
220
221	// new structure
222	m_uiLastQp = iQp;
223
224	m_pcBinIf->start();
225
226	return;
227	}
228
229	#if CABAC_INIT_FLAG
230	/** The function does the following:
231	* If current slice type is P/B then it determines the distance of initialisation type 1 and 2 from the current CABAC states and
232	* stores the index of the closest table. This index is used for the next P/B slice when cabac_init_present_flag is true.
233	*/
234	Void TEncSbac::determineCabacInitIdx()
235	{
236	Int qp = m_pcSlice->getSliceQp();
237
238	if (!m_pcSlice->isIntra())
239	{
240	SliceType aSliceTypeChoices[] = {B_SLICE, P_SLICE};
241
242	UInt bestCost = MAX_UINT;
243	SliceType bestSliceType = aSliceTypeChoices[0];
244	for (UInt idx=0; idx<2; idx++)
245	{
246	UInt curCost = 0;
247	SliceType curSliceType = aSliceTypeChoices[idx];
248
249	curCost = m_cCUSplitFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SPLIT_FLAG );
250	curCost += m_cCUSkipFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SKIP_FLAG );
251	#if LGE_ILLUCOMP_B0045
252	curCost += m_cCUICFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_IC_FLAG );
253	#endif
254	curCost += m_cCUAlfCtrlFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ALF_CTRL_FLAG );
255	curCost += m_cCUMergeFlagExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT);
256	curCost += m_cCUMergeIdxExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_IDX_EXT);
257	#if HHI_INTER_VIEW_RESIDUAL_PRED
258	curCost += m_cResPredFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_RES_PRED_FLAG);
259	#endif
260	curCost += m_cCUPartSizeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PART_SIZE );
261	#if AMP_CTX
262	curCost += m_cCUAMPSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CU_AMP_POS );
263	#else
264	curCost += m_cCUXPosiSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CU_X_POS );
265	curCost += m_cCUYPosiSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CU_Y_POS );
266	#endif
267	curCost += m_cCUPredModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PRED_MODE );
268	curCost += m_cCUIntraPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTRA_PRED_MODE );
269	curCost += m_cCUChromaPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE );
270	curCost += m_cCUInterDirSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_DIR );
271	curCost += m_cCUMvdSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVD );
272	curCost += m_cCURefPicSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_REF_PIC );
273	curCost += m_cCUDeltaQpSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DQP );
274	curCost += m_cCUQtCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_CBF );
275	curCost += m_cCUQtRootCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_ROOT_CBF );
276	curCost += m_cCUSigCoeffGroupSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_CG_FLAG );
277	curCost += m_cCUSigSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_FLAG );
278	curCost += m_cCuCtxLastX.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
279	curCost += m_cCuCtxLastY.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
280	curCost += m_cCUOneSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ONE_FLAG );
281	curCost += m_cCUAbsSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ABS_FLAG );
282	curCost += m_cMVPIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVP_IDX );
283	curCost += m_cALFFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ALF_FLAG );
284	curCost += m_cALFUvlcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ALF_UVLC );
285	curCost += m_cALFSvlcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ALF_SVLC );
286	curCost += m_cCUTransSubdivFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
287	curCost += m_cSaoFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_FLAG );
288	curCost += m_cSaoUvlcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_UVLC );
289	curCost += m_cSaoSvlcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_SVLC );
290	#if SAO_UNIT_INTERLEAVING
291	curCost += m_cSaoMergeLeftSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG );
292	curCost += m_cSaoMergeUpSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_MERGE_UP_FLAG );
293	curCost += m_cSaoTypeIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_TYPE_IDX );
294	#endif
295
296	if (curCost < bestCost)
297	{
298	bestSliceType = curSliceType;
299	bestCost = curCost;
300	}
301	}
302	m_pcSlice->getPPS()->setEncCABACTableIdx( bestSliceType );
303	}
304	else
305	{
306	m_pcSlice->getPPS()->setEncCABACTableIdx( I_SLICE );
307	}
308
309	#if CABAC_INIT_FLAG && FIX_POZNAN_CABAC_INIT_FLAG
310	m_pcSlice->getPPS()->setEncPrevPOC( m_pcSlice->getPOC() );
311	#endif
312	}
313	#endif
314
315
316	/** The function does the followng: Write out terminate bit. Flush CABAC. Intialize CABAC states. Start CABAC.
317	*/
318	Void TEncSbac::updateContextTables( SliceType eSliceType, Int iQp, Bool bExecuteFinish )
319	{
320	m_pcBinIf->encodeBinTrm(1);
321	if (bExecuteFinish) m_pcBinIf->finish();
322	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
323
324	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
325	#if LGE_ILLUCOMP_B0045
326	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
327	#endif
328	m_cCUAlfCtrlFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_CTRL_FLAG );
329	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
330	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
331	#if HHI_INTER_VIEW_RESIDUAL_PRED
332	m_cResPredFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_RES_PRED_FLAG );
333	#endif
334	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
335	#if AMP_CTX
336	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
337	#else
338	m_cCUXPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_X_POS );
339	m_cCUYPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_Y_POS );
340	#endif
341	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
342	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
343	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
344	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
345	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
346	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
347	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
348	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
349	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
350	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
351	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
352	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
353	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
354	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
355	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
356	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
357	m_cALFFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_FLAG );
358	m_cALFUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_UVLC );
359	m_cALFSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_SVLC );
360	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
361	m_cSaoFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_FLAG );
362	m_cSaoUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_UVLC );
363	m_cSaoSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_SVLC );
364	#if SAO_UNIT_INTERLEAVING
365	m_cSaoMergeLeftSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG );
366	m_cSaoMergeUpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_UP_FLAG );
367	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
368	#endif
369	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
370	m_cDmmFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_FLAG );
371	m_cDmmModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_MODE );
372	m_cDmmDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_DATA );
373	#endif
374	#if RWTH_SDC_DLT_B0036
375	m_cSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_FLAG );
376	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
377	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
378	m_cSDCResidualSignFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_SIGN_FLAG );
379	m_cSDCPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_PRED_MODE );
380	#endif
381
382	m_pcBinIf->start();
383	}
384
385	Void TEncSbac::writeTileMarker( UInt uiTileIdx, UInt uiBitsUsed )
386	{
387	for (Int iShift=uiBitsUsed-1; iShift>=0; iShift--)
388	{
389	m_pcBinIf->encodeBinEP ( (uiTileIdx & (1 << iShift)) >> iShift );
390	}
391	}
392
393	void TEncSbac::codeSEI(const SEI&)
394	{
395	assert(0);
396	}
397
398	#if VIDYO_VPS_INTEGRATION\|QC_MVHEVC_B0046
399	Void TEncSbac::codeVPS( TComVPS* pcVPS )
400	{
401	assert (0);
402	return;
403	}
404	#endif
405
406	#if HHI_MPI
407	Void TEncSbac::codeSPS( TComSPS* pcSPS, Bool bIsDepth )
408	#else
409	Void TEncSbac::codeSPS( TComSPS* pcSPS )
410	#endif
411	{
412	assert (0);
413	return;
414	}
415
416	Void TEncSbac::codePPS( TComPPS* pcPPS )
417	{
418	assert (0);
419	return;
420	}
421
422	Void TEncSbac::codeSliceHeader( TComSlice* pcSlice )
423	{
424	assert (0);
425	return;
426	}
427
428	#if TILES_WPP_ENTRY_POINT_SIGNALLING
429	Void TEncSbac::codeTilesWPPEntryPoint( TComSlice* pSlice )
430	{
431	assert (0);
432	return;
433	}
434	#else
435	Void TEncSbac::codeSliceHeaderSubstreamTable( TComSlice* pcSlice )
436	{
437	assert (0);
438	}
439	#endif
440
441	Void TEncSbac::codeTerminatingBit( UInt uilsLast )
442	{
443	m_pcBinIf->encodeBinTrm( uilsLast );
444	}
445
446	Void TEncSbac::codeSliceFinish()
447	{
448	m_pcBinIf->finish();
449	}
450
451	#if OL_FLUSH
452	Void TEncSbac::codeFlush()
453	{
454	m_pcBinIf->flush();
455	}
456
457	Void TEncSbac::encodeStart()
458	{
459	m_pcBinIf->start();
460	}
461	#endif
462
463	Void TEncSbac::xWriteUnarySymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset )
464	{
465	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[0] );
466
467	if( 0 == uiSymbol)
468	{
469	return;
470	}
471
472	while( uiSymbol-- )
473	{
474	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ iOffset ] );
475	}
476
477	return;
478	}
479
480	Void TEncSbac::xWriteUnaryMaxSymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol )
481	{
482	if (uiMaxSymbol == 0)
483	{
484	return;
485	}
486
487	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ 0 ] );
488
489	if ( uiSymbol == 0 )
490	{
491	return;
492	}
493
494	Bool bCodeLast = ( uiMaxSymbol > uiSymbol );
495
496	while( --uiSymbol )
497	{
498	m_pcBinIf->encodeBin( 1, pcSCModel[ iOffset ] );
499	}
500	if( bCodeLast )
501	{
502	m_pcBinIf->encodeBin( 0, pcSCModel[ iOffset ] );
503	}
504
505	return;
506	}
507
508	Void TEncSbac::xWriteEpExGolomb( UInt uiSymbol, UInt uiCount )
509	{
510	UInt bins = 0;
511	Int numBins = 0;
512
513	while( uiSymbol >= (UInt)(1<<uiCount) )
514	{
515	bins = 2 * bins + 1;
516	numBins++;
517	uiSymbol -= 1 << uiCount;
518	uiCount ++;
519	}
520	bins = 2 * bins + 0;
521	numBins++;
522
523	bins = (bins << uiCount) \| uiSymbol;
524	numBins += uiCount;
525
526	assert( numBins <= 32 );
527	m_pcBinIf->encodeBinsEP( bins, numBins );
528	}
529
530	/** Coding of coeff_abs_level_minus3
531	* \param uiSymbol value of coeff_abs_level_minus3
532	* \param ruiGoRiceParam reference to Rice parameter
533	* \returns Void
534	*/
535	Void TEncSbac::xWriteGoRiceExGolomb( UInt uiSymbol, UInt &ruiGoRiceParam )
536	{
537	UInt uiMaxVlc = g_auiGoRiceRange[ ruiGoRiceParam ];
538	Bool bExGolomb = ( uiSymbol > uiMaxVlc );
539	UInt uiCodeWord = min<UInt>( uiSymbol, ( uiMaxVlc + 1 ) );
540	UInt uiQuotient = uiCodeWord >> ruiGoRiceParam;
541	UInt uiMaxPreLen = g_auiGoRicePrefixLen[ ruiGoRiceParam ];
542
543	UInt binValues;
544	Int numBins;
545
546	if ( uiQuotient >= uiMaxPreLen )
547	{
548	numBins = uiMaxPreLen;
549	binValues = ( 1 << numBins ) - 1;
550	}
551	else
552	{
553	numBins = uiQuotient + 1;
554	binValues = ( 1 << numBins ) - 2;
555	}
556
557	m_pcBinIf->encodeBinsEP( ( binValues << ruiGoRiceParam ) + uiCodeWord - ( uiQuotient << ruiGoRiceParam ), numBins + ruiGoRiceParam );
558
559	#if EIGHT_BITS_RICE_CODE
560	ruiGoRiceParam = g_aauiGoRiceUpdate[ ruiGoRiceParam ][ min<UInt>( uiSymbol, 23 ) ];
561	#else
562	ruiGoRiceParam = g_aauiGoRiceUpdate[ ruiGoRiceParam ][ min<UInt>( uiSymbol, 15 ) ];
563	#endif
564
565	if( bExGolomb )
566	{
567	uiSymbol -= uiMaxVlc + 1;
568	xWriteEpExGolomb( uiSymbol, 0 );
569	}
570	}
571
572	// SBAC RD
573	Void TEncSbac::load ( TEncSbac* pSrc)
574	{
575	this->xCopyFrom(pSrc);
576	}
577
578	Void TEncSbac::loadIntraDirModeLuma( TEncSbac* pSrc)
579	{
580	m_pcBinIf->copyState( pSrc->m_pcBinIf );
581
582	this->m_cCUIntraPredSCModel .copyFrom( &pSrc->m_cCUIntraPredSCModel );
583	}
584
585
586	Void TEncSbac::store( TEncSbac* pDest)
587	{
588	pDest->xCopyFrom( this );
589	}
590
591
592	Void TEncSbac::xCopyFrom( TEncSbac* pSrc )
593	{
594	m_pcBinIf->copyState( pSrc->m_pcBinIf );
595
596	this->m_uiCoeffCost = pSrc->m_uiCoeffCost;
597	this->m_uiLastQp = pSrc->m_uiLastQp;
598
599	memcpy( m_contextModels, pSrc->m_contextModels, m_numContextModels * sizeof( ContextModel ) );
600	}
601
602	#if HHI_INTER_VIEW_MOTION_PRED
603	Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList, Int iNum )
604	#else
605	Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
606	#endif
607	{
608	Int iSymbol = pcCU->getMVPIdx(eRefList, uiAbsPartIdx);
609	#if HHI_INTER_VIEW_MOTION_PRED
610	#else
611	Int iNum = AMVP_MAX_NUM_CANDS;
612	#endif
613
614	xWriteUnaryMaxSymbol(iSymbol, m_cMVPIdxSCModel.get(0), 1, iNum-1);
615	}
616
617	Void TEncSbac::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
618	{
619	PartSize eSize = pcCU->getPartitionSize( uiAbsPartIdx );
620
621	#if OL_QTLIMIT_PREDCODING_B0068
622	TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS();
623	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
624	Bool bDepthMapDetect = (pcTexture != NULL);
625	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
626
627	if(bDepthMapDetect && !bIntraSliceDetect && sps->getUseQTLPC() && pcCU->getPic()->getReduceBitsFlag())
628	{
629	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
630	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
631	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
632	if (pcTextureCU->getDepth(uiCUIdx) == uiDepth && pcTextureCU->getPartitionSize( uiCUIdx ) != SIZE_NxN)
633	{
634	assert( eSize == SIZE_2Nx2N );
635	return;
636	}
637	}
638	#endif
639
640	if ( pcCU->isIntra( uiAbsPartIdx ) )
641	{
642	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
643	{
644	m_pcBinIf->encodeBin( eSize == SIZE_2Nx2N? 1 : 0, m_cCUPartSizeSCModel.get( 0, 0, 0 ) );
645	}
646	return;
647	}
648
649	switch(eSize)
650	{
651	case SIZE_2Nx2N:
652	{
653	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
654	break;
655	}
656	case SIZE_2NxN:
657	case SIZE_2NxnU:
658	case SIZE_2NxnD:
659	{
660	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
661	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
662	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
663	{
664	if (eSize == SIZE_2NxN)
665	{
666	#if AMP_CTX
667	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
668	#else
669	m_pcBinIf->encodeBin(1, m_cCUYPosiSCModel.get( 0, 0, 0 ));
670	#endif
671	}
672	else
673	{
674	#if AMP_CTX
675	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
676	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
677	#else
678	m_pcBinIf->encodeBin(0, m_cCUYPosiSCModel.get( 0, 0, 0 ));
679	m_pcBinIf->encodeBin((eSize == SIZE_2NxnU? 0: 1), m_cCUYPosiSCModel.get( 0, 0, 1 ));
680	#endif
681	}
682	}
683	break;
684	}
685	case SIZE_Nx2N:
686	case SIZE_nLx2N:
687	case SIZE_nRx2N:
688	{
689	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
690	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
691	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getSlice()->getSPS()->getDisInter4x4() && pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
692	{
693	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 2) );
694	}
695	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
696	{
697	if (eSize == SIZE_Nx2N)
698	{
699	#if AMP_CTX
700	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
701	#else
702	m_pcBinIf->encodeBin(1, m_cCUXPosiSCModel.get( 0, 0, 0 ));
703	#endif
704	}
705	else
706	{
707	#if AMP_CTX
708	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
709	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
710	#else
711	m_pcBinIf->encodeBin(0, m_cCUXPosiSCModel.get( 0, 0, 0 ));
712	m_pcBinIf->encodeBin((eSize == SIZE_nLx2N? 0: 1), m_cCUXPosiSCModel.get( 0, 0, 1 ));
713	#endif
714	}
715	}
716	break;
717	}
718	case SIZE_NxN:
719	{
720	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getSlice()->getSPS()->getDisInter4x4() && pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
721	{
722	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
723	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
724	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 2) );
725	}
726	break;
727	}
728	default:
729	{
730	assert(0);
731	}
732	}
733	}
734
735	/** code prediction mode
736	* \param pcCU
737	* \param uiAbsPartIdx
738	* \returns Void
739	*/
740	Void TEncSbac::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
741	{
742	#if RWTH_SDC_DLT_B0036
743	if ( pcCU->getSlice()->isIntra() )
744	{
745	assert( pcCU->isIntra(uiAbsPartIdx) );
746	return;
747	}
748	#endif
749
750	// get context function is here
751	Int iPredMode = pcCU->getPredictionMode( uiAbsPartIdx );
752	m_pcBinIf->encodeBin( iPredMode == MODE_INTER ? 0 : 1, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
753	}
754
755	Void TEncSbac::codeAlfCtrlFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
756	{
757	if (!m_bAlfCtrl)
758	return;
759
760	if( pcCU->getDepth(uiAbsPartIdx) > m_uiMaxAlfCtrlDepth && !pcCU->isFirstAbsZorderIdxInDepth(uiAbsPartIdx, m_uiMaxAlfCtrlDepth))
761	{
762	return;
763	}
764
765	const UInt uiSymbol = pcCU->getAlfCtrlFlag( uiAbsPartIdx ) ? 1 : 0;
766	m_pcBinIf->encodeBin( uiSymbol, *m_cCUAlfCtrlFlagSCModel.get( 0 ) );
767	}
768
769	Void TEncSbac::codeAlfCtrlDepth()
770	{
771	if (!m_bAlfCtrl)
772	return;
773
774	UInt uiDepth = m_uiMaxAlfCtrlDepth;
775	xWriteUnaryMaxSymbol(uiDepth, m_cALFUvlcSCModel.get(0), 1, g_uiMaxCUDepth-1);
776	}
777
778	/** code skip flag
779	* \param pcCU
780	* \param uiAbsPartIdx
781	* \returns Void
782	*/
783	Void TEncSbac::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
784	{
785	// get context function is here
786	UInt uiSymbol = pcCU->isSkipped( uiAbsPartIdx ) ? 1 : 0;
787	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ) ;
788	m_pcBinIf->encodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
789	DTRACE_CABAC_VL( g_nSymbolCounter++ );
790	DTRACE_CABAC_T( "\tSkipFlag" );
791	DTRACE_CABAC_T( "\tuiCtxSkip: ");
792	DTRACE_CABAC_V( uiCtxSkip );
793	DTRACE_CABAC_T( "\tuiSymbol: ");
794	DTRACE_CABAC_V( uiSymbol );
795	DTRACE_CABAC_T( "\n");
796	}
797
798	#if LGE_ILLUCOMP_B0045
799	/** code Illumination Compensation flag
800	* \param pcCU
801	* \param uiAbsPartIdx
802	* \returns Void
803	*/
804	Void TEncSbac::codeICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
805	{
806	// get context function is here
807	UInt uiSymbol = pcCU->getICFlag( uiAbsPartIdx ) ? 1 : 0;
808	UInt uiCtxIC = pcCU->getCtxICFlag( uiAbsPartIdx ) ;
809	m_pcBinIf->encodeBin( uiSymbol, m_cCUICFlagSCModel.get( 0, 0, uiCtxIC ) );
810	DTRACE_CABAC_VL( g_nSymbolCounter++ );
811	DTRACE_CABAC_T( "\tICFlag" );
812	DTRACE_CABAC_T( "\tuiCtxIC: ");
813	DTRACE_CABAC_V( uiCtxIC );
814	DTRACE_CABAC_T( "\tuiSymbol: ");
815	DTRACE_CABAC_V( uiSymbol );
816	DTRACE_CABAC_T( "\n");
817	}
818	#endif
819
820	/** code merge flag
821	* \param pcCU
822	* \param uiAbsPartIdx
823	* \returns Void
824	*/
825	Void TEncSbac::codeMergeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
826	{
827	const UInt uiSymbol = pcCU->getMergeFlag( uiAbsPartIdx ) ? 1 : 0;
828	m_pcBinIf->encodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
829
830	DTRACE_CABAC_VL( g_nSymbolCounter++ );
831	DTRACE_CABAC_T( "\tMergeFlag: " );
832	DTRACE_CABAC_V( uiSymbol );
833	DTRACE_CABAC_T( "\tAddress: " );
834	DTRACE_CABAC_V( pcCU->getAddr() );
835	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
836	DTRACE_CABAC_V( uiAbsPartIdx );
837	DTRACE_CABAC_T( "\n" );
838	}
839
840	/** code merge index
841	* \param pcCU
842	* \param uiAbsPartIdx
843	* \returns Void
844	*/
845	Void TEncSbac::codeMergeIndex( TComDataCU* pcCU, UInt uiAbsPartIdx )
846	{
847	UInt uiNumCand = MRG_MAX_NUM_CANDS;
848	#if !MRG_IDX_CTX_RED
849	UInt auiCtx[4] = { 0, 1, 2, 3 };
850	#endif
851	UInt uiUnaryIdx = pcCU->getMergeIndex( uiAbsPartIdx );
852	uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
853	#if HHI_MPI
854	const Bool bMVIAvailable = pcCU->getSlice()->getSPS()->getUseMVI() && pcCU->getSlice()->getSliceType() != I_SLICE;
855	if( bMVIAvailable )
856	{
857	const Bool bUseMVI = pcCU->getTextureModeDepth( uiAbsPartIdx ) != -1;
858	if( bUseMVI )
859	{
860	uiUnaryIdx = (UInt)HHI_MPI_MERGE_POS;
861	}
862	else if( (Int)uiUnaryIdx >= (Int)HHI_MPI_MERGE_POS )
863	{
864	uiUnaryIdx++;
865	}
866	}
867	#endif
868	if ( uiNumCand > 1 )
869	{
870	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
871	{
872	const UInt uiSymbol = ui == uiUnaryIdx ? 0 : 1;
873	#if MRG_IDX_CTX_RED
874	if ( ui==0 )
875	{
876	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
877	}
878	else
879	{
880	m_pcBinIf->encodeBinEP( uiSymbol );
881	}
882	#else
883	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, auiCtx[ui] ) );
884	#endif
885	if( uiSymbol == 0 )
886	{
887	break;
888	}
889	}
890	}
891	DTRACE_CABAC_VL( g_nSymbolCounter++ );
892	DTRACE_CABAC_T( "\tparseMergeIndex()" );
893	DTRACE_CABAC_T( "\tuiMRGIdx= " );
894	DTRACE_CABAC_V( pcCU->getMergeIndex( uiAbsPartIdx ) );
895	DTRACE_CABAC_T( "\n" );
896	}
897
898	#if HHI_INTER_VIEW_RESIDUAL_PRED
899	Void
900	TEncSbac::codeResPredFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
901	{
902	UInt uiCtx = pcCU->getCtxResPredFlag( uiAbsPartIdx );
903	UInt uiSymbol = ( pcCU->getResPredFlag( uiAbsPartIdx ) ? 1 : 0 );
904	m_pcBinIf->encodeBin( uiSymbol, m_cResPredFlagSCModel.get( 0, 0, uiCtx ) );
905	}
906	#endif
907
908	Void TEncSbac::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
909	{
910	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
911	return;
912
913	UInt uiCtx = pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth );
914	UInt uiCurrSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0;
915
916	assert( uiCtx < 3 );
917
918	#if OL_QTLIMIT_PREDCODING_B0068
919	Bool bCodeSplitFlag = true;
920
921	TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS();
922	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
923	Bool bDepthMapDetect = (pcTexture != NULL);
924	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
925
926	if(bDepthMapDetect && !bIntraSliceDetect && sps->getUseQTLPC() && pcCU->getPic()->getReduceBitsFlag())
927	{
928	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
929	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
930	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
931	bCodeSplitFlag = (pcTextureCU->getDepth(uiCUIdx) > uiDepth);
932	}
933
934	if(!bCodeSplitFlag)
935	{
936	assert(uiCurrSplitFlag == 0);
937	return;
938	}
939	#endif
940
941	m_pcBinIf->encodeBin( uiCurrSplitFlag, m_cCUSplitFlagSCModel.get( 0, 0, uiCtx ) );
942	DTRACE_CABAC_VL( g_nSymbolCounter++ )
943	DTRACE_CABAC_T( "\tSplitFlag\n" )
944	return;
945	}
946
947	Void TEncSbac::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx )
948	{
949	m_pcBinIf->encodeBin( uiSymbol, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiCtx ) );
950	DTRACE_CABAC_VL( g_nSymbolCounter++ )
951	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
952	DTRACE_CABAC_T( "\tsymbol=" )
953	DTRACE_CABAC_V( uiSymbol )
954	DTRACE_CABAC_T( "\tctx=" )
955	DTRACE_CABAC_V( uiCtx )
956	DTRACE_CABAC_T( "\n" )
957	}
958
959	#if LGE_EDGE_INTRA_A0070
960	Void TEncSbac::xCodeEdgeIntraInfo( TComDataCU* pcCU, UInt uiPartIdx )
961	{
962	UInt uiDepth = pcCU->getDepth( uiPartIdx ) + (pcCU->getPartitionSize( uiPartIdx ) == SIZE_NxN ? 1 : 0);
963	UInt uiCtxEdgeIntra = pcCU->getCtxEdgeIntra( uiPartIdx );
964	UChar* pucSymbolList = pcCU->getEdgeCode( uiPartIdx );
965	UChar ucEdgeNumber = pcCU->getEdgeNumber( uiPartIdx );
966	Bool bLeft = pcCU->getEdgeLeftFirst( uiPartIdx );
967	UChar ucStart = pcCU->getEdgeStartPos( uiPartIdx );
968	UInt uiSymbol;
969
970	// 1. Top(0) or Left(1)
971	uiSymbol = (bLeft == false) ? 0 : 1;
972	m_pcBinIf->encodeBinEP( uiSymbol );
973
974	// 2. Start position (lowest bit first)
975	uiSymbol = ucStart;
976	for( UInt ui = 6; ui > uiDepth; ui-- ) // 64(0)->6, 32(1)->5, 16(2)->4, 8(3)->3, 4(4)->2
977	{
978	m_pcBinIf->encodeBinEP( uiSymbol & 0x1 );
979	uiSymbol >>= 1;
980	}
981
982	// 3. Number of edges
983	uiSymbol = ucEdgeNumber > 0 ? ucEdgeNumber - 1 : 0;
984	for( UInt ui = 7; ui > uiDepth; ui-- ) // 64(0)->7, 32(1)->6, 16(2)->5, 8(3)->4, 4(4)->3
985	{
986	m_pcBinIf->encodeBinEP( uiSymbol & 0x1 );
987	uiSymbol >>= 1;
988	}
989
990	if(uiSymbol != 0)
991	{
992	printf(" ucEdgeNumber %d at depth %d\n",ucEdgeNumber, uiDepth);
993	assert(false);
994	}
995
996	// 4. Edges
997	for( Int iPtr2 = 0; iPtr2 < ucEdgeNumber; iPtr2++ )
998	{
999	UInt uiReorderSymbol = pucSymbolList[iPtr2];
1000
1001	//printf ("Ptr = %d, Symbol = %d\n", iPtr2, uiSymbol);
1002
1003	// Left-friendly direction (Top start)
1004	// 0 ( 0deg) => 0
1005	// 1 ( 45deg) => 10
1006	// 2 ( -45deg) => 110
1007	// 3 ( 90deg) => 1110
1008	// 4 ( -90deg) => 11110
1009	// 5 ( 135deg) => 111110
1010	// 6 (-135deg) => 111111
1011	// Right-friendly direction (Left start)
1012	// 0 ( 0deg) => 0
1013	// 2 ( -45deg) => 10
1014	// 1 ( 45deg) => 110
1015	// 4 ( -90deg) => 1110
1016	// 3 ( 90deg) => 11110
1017	// 6 (-135deg) => 111110
1018	// 5 ( 135deg) => 111111
1019
1020	// refer to a paper "An efficient chain code with Huffman coding"
1021
1022	for( UInt ui = 0; ui < uiReorderSymbol; ui++ )
1023	{
1024	m_pcBinIf->encodeBin( 1, m_cEdgeIntraSCModel.get( 0, 0, uiCtxEdgeIntra ) );
1025	}
1026
1027	if( uiReorderSymbol != 6 )
1028	m_pcBinIf->encodeBin( 0, m_cEdgeIntraSCModel.get( 0, 0, uiCtxEdgeIntra ) );
1029	}
1030	}
1031	#endif
1032
1033	Void TEncSbac::codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx )
1034	{
1035	UInt uiDir = pcCU->getLumaIntraDir( uiAbsPartIdx );
1036
1037	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
1038	if( pcCU->getSlice()->getSPS()->getUseDMM() && pcCU->getWidth( uiAbsPartIdx ) <= DMM_WEDGEMODEL_MAX_SIZE )
1039	{
1040	#if LGE_EDGE_INTRA_A0070
1041	m_pcBinIf->encodeBin( uiDir >= NUM_INTRA_MODE && uiDir < EDGE_INTRA_IDX, m_cDmmFlagSCModel.get(0, 0, 0) );
1042	#else
1043	m_pcBinIf->encodeBin( uiDir >= NUM_INTRA_MODE, m_cDmmFlagSCModel.get(0, 0, 0) );
1044	#endif
1045	}
1046	#if LGE_EDGE_INTRA_A0070
1047	if( uiDir >= NUM_INTRA_MODE && uiDir < EDGE_INTRA_IDX )
1048	#else
1049	if( uiDir >= NUM_INTRA_MODE )
1050	#endif
1051	{
1052	assert( pcCU->getWidth( uiAbsPartIdx ) <= DMM_WEDGEMODEL_MAX_SIZE );
1053	UInt uiDMMode = uiDir - NUM_INTRA_MODE;
1054
1055	#if HHI_DMM_WEDGE_INTRA && HHI_DMM_PRED_TEX
1056	m_pcBinIf->encodeBin( (uiDMMode & 0x01), m_cDmmModeSCModel.get(0, 0, 0) );
1057	m_pcBinIf->encodeBin( (uiDMMode & 0x02) >> 1, m_cDmmModeSCModel.get(0, 0, 0) );
1058
1059	if( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && pcCU->getWidth( uiAbsPartIdx ) > 4 )
1060	{
1061	m_pcBinIf->encodeBin( (uiDMMode & 0x04) >> 2, m_cDmmModeSCModel.get(0, 0, 0) );
1062	}
1063	#else
1064	m_pcBinIf->encodeBin( (uiDMMode & 0x01), m_cDmmModeSCModel.get(0, 0, 0) );
1065
1066	if( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && pcCU->getWidth( uiAbsPartIdx ) > 4 )
1067	{
1068	m_pcBinIf->encodeBin( (uiDMMode & 0x02) >> 1, m_cDmmModeSCModel.get(0, 0, 0) );
1069	}
1070	#endif
1071	#if HHI_DMM_WEDGE_INTRA
1072	if( uiDir == DMM_WEDGE_FULL_IDX ) { xCodeWedgeFullInfo ( pcCU, uiAbsPartIdx ); }
1073	if( uiDir == DMM_WEDGE_FULL_D_IDX ) { xCodeWedgeFullDeltaInfo ( pcCU, uiAbsPartIdx ); }
1074	if( uiDir == DMM_WEDGE_PREDDIR_IDX ) { xCodeWedgePredDirInfo ( pcCU, uiAbsPartIdx ); }
1075	if( uiDir == DMM_WEDGE_PREDDIR_D_IDX ) { xCodeWedgePredDirDeltaInfo ( pcCU, uiAbsPartIdx ); }
1076	#endif
1077	#if HHI_DMM_PRED_TEX
1078	if( uiDir == DMM_WEDGE_PREDTEX_D_IDX ) { xCodeWedgePredTexDeltaInfo ( pcCU, uiAbsPartIdx ); }
1079	if( uiDir == DMM_CONTOUR_PREDTEX_D_IDX ) { xCodeContourPredTexDeltaInfo( pcCU, uiAbsPartIdx ); }
1080	#endif
1081	}
1082	else
1083	#if LGE_EDGE_INTRA_A0070
1084	if ( uiDir >= EDGE_INTRA_IDX)
1085	{
1086	m_pcBinIf->encodeBin( 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1087	m_pcBinIf->encodeBinsEP( 63, 6 );
1088	xCodeEdgeIntraInfo( pcCU, uiAbsPartIdx );
1089	#if LGE_EDGE_INTRA_DELTA_DC
1090	m_pcBinIf->encodeBin( (uiDir == EDGE_INTRA_DELTA_IDX), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 0) );
1091	if( uiDir == EDGE_INTRA_DELTA_IDX )
1092	{
1093	Int iDeltaDC0 = pcCU->getEdgeDeltaDC0( uiAbsPartIdx );
1094	Int iDeltaDC1 = pcCU->getEdgeDeltaDC1( uiAbsPartIdx );
1095
1096	xWriteExGolombLevel( UInt( abs( iDeltaDC0 ) ), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
1097	if ( iDeltaDC0 != 0 )
1098	{
1099	UInt uiSign = iDeltaDC0 > 0 ? 0 : 1;
1100	m_pcBinIf->encodeBinEP( uiSign );
1101	}
1102	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
1103	if ( iDeltaDC1 != 0 )
1104	{
1105	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
1106	m_pcBinIf->encodeBinEP( uiSign );
1107	}
1108	}
1109	#endif
1110	}
1111	else
1112	#endif // LGE_EDGE_INTRA
1113	{
1114	#endif
1115	#if !LOGI_INTRA_NAME_3MPM
1116	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
1117	#endif
1118	#if LGE_EDGE_INTRA_A0070
1119	Bool bCodeEdgeIntra = false;
1120	if( pcCU->getSlice()->getSPS()->isDepth() )
1121	{
1122	UInt uiPUWidth = pcCU->getWidth( uiAbsPartIdx ) >> (pcCU->getPartitionSize( uiAbsPartIdx ) == SIZE_NxN ? 1 : 0);
1123	if( uiPUWidth <= LGE_EDGE_INTRA_MAX_SIZE && uiPUWidth >= LGE_EDGE_INTRA_MIN_SIZE )
1124	bCodeEdgeIntra = true;
1125	}
1126	#endif
1127
1128	#if LOGI_INTRA_NAME_3MPM
1129	Int uiPreds[3] = {-1, -1, -1};
1130	#else
1131	Int uiPreds[2] = {-1, -1};
1132	#endif
1133	Int uiPredNum = pcCU->getIntraDirLumaPredictor(uiAbsPartIdx, uiPreds);
1134
1135	Int uiPredIdx = -1;
1136
1137	for(UInt i = 0; i < uiPredNum; i++)
1138	{
1139	if(uiDir == uiPreds[i])
1140	{
1141	uiPredIdx = i;
1142	}
1143	}
1144
1145	if(uiPredIdx != -1)
1146	{
1147	m_pcBinIf->encodeBin( 1, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1148	#if LOGI_INTRA_NAME_3MPM
1149	m_pcBinIf->encodeBinEP( uiPredIdx ? 1 : 0 );
1150	if (uiPredIdx)
1151	{
1152	m_pcBinIf->encodeBinEP( uiPredIdx-1 );
1153	}
1154	#else
1155	m_pcBinIf->encodeBinEP( uiPredIdx );
1156	#endif
1157	}
1158	else
1159	{
1160	m_pcBinIf->encodeBin( 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1161
1162	#if LOGI_INTRA_NAME_3MPM
1163	if (uiPreds[0] > uiPreds[1])
1164	{
1165	std::swap(uiPreds[0], uiPreds[1]);
1166	}
1167	if (uiPreds[0] > uiPreds[2])
1168	{
1169	std::swap(uiPreds[0], uiPreds[2]);
1170	}
1171	if (uiPreds[1] > uiPreds[2])
1172	{
1173	std::swap(uiPreds[1], uiPreds[2]);
1174	}
1175	#endif
1176
1177	for(Int i = (uiPredNum - 1); i >= 0; i--)
1178	{
1179	uiDir = uiDir > uiPreds[i] ? uiDir - 1 : uiDir;
1180	}
1181
1182	#if LOGI_INTRA_NAME_3MPM
1183	m_pcBinIf->encodeBinsEP( uiDir, 5 );
1184	#if LGE_EDGE_INTRA_A0070
1185	if (bCodeEdgeIntra)
1186	if (uiDir == 31) m_pcBinIf->encodeBinsEP(0,1);
1187	#endif
1188	#else
1189	if ( uiDir < 31 )
1190	{
1191	m_pcBinIf->encodeBinsEP( uiDir, g_aucIntraModeBitsAng[ iIntraIdx ] - 1 );
1192	}
1193	else
1194	{
1195	m_pcBinIf->encodeBinsEP( 31, 5 );
1196	m_pcBinIf->encodeBinEP( uiDir - 31 );
1197	}
1198	#endif
1199	}
1200	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
1201	}
1202	#endif
1203	return;
1204	}
1205
1206	Void TEncSbac::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx )
1207	{
1208	UInt uiIntraDirChroma = pcCU->getChromaIntraDir( uiAbsPartIdx );
1209
1210	if( uiIntraDirChroma == DM_CHROMA_IDX )
1211	{
1212	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1213	}
1214	else if( uiIntraDirChroma == LM_CHROMA_IDX )
1215	{
1216	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1217	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 1 ) );
1218	}
1219	else
1220	{
1221	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1222	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1223
1224	for( Int i = 0; i < NUM_CHROMA_MODE - 2; i++ )
1225	{
1226	if( uiIntraDirChroma == uiAllowedChromaDir[i] )
1227	{
1228	uiIntraDirChroma = i;
1229	break;
1230	}
1231	}
1232	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1233
1234	if (pcCU->getSlice()->getSPS()->getUseLMChroma())
1235	{
1236	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 1 ));
1237	}
1238	#if CHROMA_MODE_CODING
1239	m_pcBinIf->encodeBinsEP( uiIntraDirChroma, 2 );
1240	#else
1241	xWriteUnaryMaxSymbol( uiIntraDirChroma, m_cCUChromaPredSCModel.get( 0, 0 ) + 1, 0, 3 );
1242	#endif
1243	}
1244	return;
1245	}
1246
1247	Void TEncSbac::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
1248	{
1249	const UInt uiInterDir = pcCU->getInterDir( uiAbsPartIdx ) - 1;
1250	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1251	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1252	m_pcBinIf->encodeBin( uiInterDir == 2 ? 1 : 0, *( pCtx + uiCtx ) );
1253
1254	return;
1255	}
1256
1257	Void TEncSbac::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1258	{
1259	if ( pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C) > 0 && pcCU->getInterDir( uiAbsPartIdx ) != 3)
1260	{
1261	Int iRefFrame = pcCU->getSlice()->getRefIdxOfLC(eRefList, pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx ));
1262
1263	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1264	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1265
1266	if( iRefFrame > 0 )
1267	{
1268	xWriteUnaryMaxSymbol( iRefFrame - 1, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_C )-2 );
1269	}
1270	}
1271	else
1272	{
1273	Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1274	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1275	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1276
1277	if( iRefFrame > 0 )
1278	{
1279	xWriteUnaryMaxSymbol( iRefFrame - 1, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( eRefList )-2 );
1280	}
1281	}
1282	return;
1283	}
1284
1285	Void TEncSbac::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1286	{
1287	#if H0111_MVD_L1_ZERO
1288	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1289	{
1290	return;
1291	}
1292	#endif
1293
1294	const TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList );
1295	const Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor();
1296	const Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer();
1297	ContextModel* pCtx = m_cCUMvdSCModel.get( 0 );
1298
1299	m_pcBinIf->encodeBin( iHor != 0 ? 1 : 0, *pCtx );
1300	m_pcBinIf->encodeBin( iVer != 0 ? 1 : 0, *pCtx );
1301
1302	const Bool bHorAbsGr0 = iHor != 0;
1303	const Bool bVerAbsGr0 = iVer != 0;
1304	const UInt uiHorAbs = 0 > iHor ? -iHor : iHor;
1305	const UInt uiVerAbs = 0 > iVer ? -iVer : iVer;
1306	pCtx++;
1307
1308	if( bHorAbsGr0 )
1309	{
1310	m_pcBinIf->encodeBin( uiHorAbs > 1 ? 1 : 0, *pCtx );
1311	}
1312
1313	if( bVerAbsGr0 )
1314	{
1315	m_pcBinIf->encodeBin( uiVerAbs > 1 ? 1 : 0, *pCtx );
1316	}
1317
1318	if( bHorAbsGr0 )
1319	{
1320	if( uiHorAbs > 1 )
1321	{
1322	xWriteEpExGolomb( uiHorAbs-2, 1 );
1323	}
1324
1325	m_pcBinIf->encodeBinEP( 0 > iHor ? 1 : 0 );
1326	}
1327
1328	if( bVerAbsGr0 )
1329	{
1330	if( uiVerAbs > 1 )
1331	{
1332	xWriteEpExGolomb( uiVerAbs-2, 1 );
1333	}
1334
1335	m_pcBinIf->encodeBinEP( 0 > iVer ? 1 : 0 );
1336	}
1337
1338	return;
1339	}
1340
1341	Void TEncSbac::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx )
1342	{
1343	Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
1344
1345	#if H0736_AVC_STYLE_QP_RANGE
1346	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY();
1347	iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
1348	#else
1349	#if LOSSLESS_CODING
1350	if(pcCU->getSlice()->getSPS()->getUseLossless())
1351	{
1352	if(iDQp > 25)
1353	{
1354	iDQp = iDQp - 52;
1355	}
1356	if(iDQp < -26)
1357	{
1358	iDQp = iDQp + 52;
1359	}
1360	}
1361	#endif
1362	#endif
1363
1364	if ( iDQp == 0 )
1365	{
1366	m_pcBinIf->encodeBin( 0, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) );
1367	}
1368	else
1369	{
1370	m_pcBinIf->encodeBin( 1, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) );
1371
1372	UInt uiSign = (iDQp > 0 ? 0 : 1);
1373	#if !H0736_AVC_STYLE_QP_RANGE
1374	UInt uiQpBdOffsetY = 6*(g_uiBitIncrement + g_uiBitDepth - 8);
1375	#endif
1376
1377	m_pcBinIf->encodeBinEP(uiSign);
1378
1379	#if H0736_AVC_STYLE_QP_RANGE
1380	assert(iDQp >= -(26+(qpBdOffsetY/2)));
1381	assert(iDQp <= (25+(qpBdOffsetY/2)));
1382
1383	UInt uiMaxAbsDQpMinus1 = 24 + (qpBdOffsetY/2) + (uiSign);
1384	#else
1385	assert(iDQp >= -(26+(Int)(uiQpBdOffsetY/2)));
1386	assert(iDQp <= (25+(Int)(uiQpBdOffsetY/2)));
1387
1388	UInt uiMaxAbsDQpMinus1 = 24 + (uiQpBdOffsetY/2) + (uiSign);
1389	#endif
1390	UInt uiAbsDQpMinus1 = (UInt)((iDQp > 0)? iDQp : (-iDQp)) - 1;
1391	xWriteUnaryMaxSymbol( uiAbsDQpMinus1, &m_cCUDeltaQpSCModel.get( 0, 0, 1 ), 1, uiMaxAbsDQpMinus1);
1392	}
1393
1394	return;
1395	}
1396
1397	Void TEncSbac::codeQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth )
1398	{
1399	UInt uiCbf = pcCU->getCbf ( uiAbsPartIdx, eType, uiTrDepth );
1400	UInt uiCtx = pcCU->getCtxQtCbf( uiAbsPartIdx, eType, uiTrDepth );
1401	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) );
1402	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1403	DTRACE_CABAC_T( "\tparseQtCbf()" )
1404	DTRACE_CABAC_T( "\tsymbol=" )
1405	DTRACE_CABAC_V( uiCbf )
1406	DTRACE_CABAC_T( "\tctx=" )
1407	DTRACE_CABAC_V( uiCtx )
1408	DTRACE_CABAC_T( "\tetype=" )
1409	DTRACE_CABAC_V( eType )
1410	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1411	DTRACE_CABAC_V( uiAbsPartIdx )
1412	DTRACE_CABAC_T( "\n" )
1413	}
1414
1415	#if BURST_IPCM
1416	/** Code I_PCM information.
1417	* \param pcCU pointer to CU
1418	* \param uiAbsPartIdx CU index
1419	* \param numIPCM the number of succesive IPCM blocks with the same size
1420	* \param firstIPCMFlag
1421	* \returns Void
1422	*/
1423	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, Int numIPCM, Bool firstIPCMFlag)
1424	#else
1425	/** Code I_PCM information.
1426	* \param pcCU pointer to CU
1427	* \param uiAbsPartIdx CU index
1428	* \returns Void
1429	*
1430	* If I_PCM flag indicates that the CU is I_PCM, code its PCM alignment bits and codes.
1431	*/
1432	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx)
1433	#endif
1434	{
1435	UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0;
1436
1437	#if BURST_IPCM
1438	Bool writePCMSampleFlag = pcCU->getIPCMFlag(uiAbsPartIdx);
1439
1440	if( uiIPCM == 0 \|\| firstIPCMFlag)
1441	{
1442	m_pcBinIf->encodeBinTrm (uiIPCM);
1443
1444	if ( firstIPCMFlag )
1445	{
1446	m_pcBinIf->encodeNumSubseqIPCM( numIPCM - 1 );
1447	m_pcBinIf->encodePCMAlignBits();
1448	}
1449	}
1450	#else
1451	m_pcBinIf->encodeBinTrm (uiIPCM);
1452	#endif
1453
1454	#if BURST_IPCM
1455	if (writePCMSampleFlag)
1456	#else
1457	if (uiIPCM)
1458	#endif
1459	{
1460	#if !BURST_IPCM
1461	m_pcBinIf->encodePCMAlignBits();
1462	#endif
1463	UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight();
1464	UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx;
1465	UInt uiChromaOffset = uiLumaOffset>>2;
1466	Pel* piPCMSample;
1467	UInt uiWidth;
1468	UInt uiHeight;
1469	UInt uiSampleBits;
1470	UInt uiX, uiY;
1471
1472	piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset;
1473	uiWidth = pcCU->getWidth(uiAbsPartIdx);
1474	uiHeight = pcCU->getHeight(uiAbsPartIdx);
1475	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma();
1476
1477	for(uiY = 0; uiY < uiHeight; uiY++)
1478	{
1479	for(uiX = 0; uiX < uiWidth; uiX++)
1480	{
1481	UInt uiSample = piPCMSample[uiX];
1482
1483	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1484	}
1485	piPCMSample += uiWidth;
1486	}
1487
1488	piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset;
1489	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1490	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1491	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1492
1493	for(uiY = 0; uiY < uiHeight; uiY++)
1494	{
1495	for(uiX = 0; uiX < uiWidth; uiX++)
1496	{
1497	UInt uiSample = piPCMSample[uiX];
1498
1499	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1500	}
1501	piPCMSample += uiWidth;
1502	}
1503
1504	piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset;
1505	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1506	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1507	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
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	#if BURST_IPCM
1520	numIPCM--;
1521	if(numIPCM == 0)
1522	{
1523	m_pcBinIf->resetBac();
1524	}
1525	#else
1526	m_pcBinIf->resetBac();
1527	#endif
1528	}
1529	}
1530
1531	Void TEncSbac::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx )
1532	{
1533	UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx );
1534	UInt uiCtx = 0;
1535	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1536	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1537	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1538	DTRACE_CABAC_T( "\tsymbol=" )
1539	DTRACE_CABAC_V( uiCbf )
1540	DTRACE_CABAC_T( "\tctx=" )
1541	DTRACE_CABAC_V( uiCtx )
1542	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1543	DTRACE_CABAC_V( uiAbsPartIdx )
1544	DTRACE_CABAC_T( "\n" )
1545	}
1546
1547	/** Encode (X,Y) position of the last significant coefficient
1548	* \param uiPosX X component of last coefficient
1549	* \param uiPosY Y component of last coefficient
1550	* \param width Block width
1551	* \param height Block height
1552	* \param eTType plane type / luminance or chrominance
1553	* \param uiScanIdx scan type (zig-zag, hor, ver)
1554	* This method encodes the X and Y component within a block of the last significant coefficient.
1555	*/
1556	Void TEncSbac::codeLastSignificantXY( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx )
1557	{
1558	// swap
1559	if( uiScanIdx == SCAN_VER )
1560	{
1561	swap( uiPosX, uiPosY );
1562	}
1563
1564	UInt uiCtxLast;
1565	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
1566	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
1567	UInt uiGroupIdxX = g_uiGroupIdx[ uiPosX ];
1568	UInt uiGroupIdxY = g_uiGroupIdx[ uiPosY ];
1569
1570	// posX
1571	#if LAST_CTX_REDUCTION
1572	Int widthCtx = eTType? 4: width;
1573	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ widthCtx ] ( g_aucConvertToBit[ widthCtx ] + 3 ) );
1574	#else
1575	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ width ] ( g_aucConvertToBit[ width ] + 3 ) );
1576	#endif
1577	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxX; uiCtxLast++ )
1578	{
1579	#if LAST_CTX_REDUCTION
1580	if (eTType)
1581	{
1582	m_pcBinIf->encodeBin( 1, *( pCtxX + (uiCtxLast>>g_aucConvertToBit[ width ]) ) );
1583	}
1584	else
1585	{
1586	#endif
1587	m_pcBinIf->encodeBin( 1, *( pCtxX + puiCtxIdxX[ uiCtxLast ] ) );
1588	#if LAST_CTX_REDUCTION
1589	}
1590	#endif
1591	}
1592	if( uiGroupIdxX < g_uiGroupIdx[ width - 1 ])
1593	{
1594	#if LAST_CTX_REDUCTION
1595	if ( eTType )
1596	{
1597	m_pcBinIf->encodeBin( 0, *( pCtxX + (uiCtxLast>>g_aucConvertToBit[ width ]) ) );
1598	}
1599	else
1600	{
1601	#endif
1602	m_pcBinIf->encodeBin( 0, *( pCtxX + puiCtxIdxX[ uiCtxLast ] ) );
1603	#if LAST_CTX_REDUCTION
1604	}
1605	#endif
1606	}
1607
1608	// posY
1609	#if LAST_CTX_REDUCTION
1610	Int heightCtx = eTType? 4: height;
1611	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ heightCtx ] ( g_aucConvertToBit[ heightCtx ] + 3 ) );
1612	#else
1613	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ height ] ( g_aucConvertToBit[ height ] + 3 ) );
1614	#endif
1615	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxY; uiCtxLast++ )
1616	{
1617	#if LAST_CTX_REDUCTION
1618	if (eTType)
1619	{
1620	m_pcBinIf->encodeBin( 1, *( pCtxY + (uiCtxLast>>g_aucConvertToBit[ height ])));
1621	}
1622	else
1623	{
1624	#endif
1625	m_pcBinIf->encodeBin( 1, *( pCtxY + puiCtxIdxY[ uiCtxLast ] ) );
1626	#if LAST_CTX_REDUCTION
1627	}
1628	#endif
1629	}
1630	if( uiGroupIdxY < g_uiGroupIdx[ height - 1 ])
1631	{
1632	#if LAST_CTX_REDUCTION
1633	if (eTType)
1634	{
1635	m_pcBinIf->encodeBin( 0, *( pCtxY + (uiCtxLast>>g_aucConvertToBit[ height ]) ) );
1636	}
1637	else
1638	{
1639	#endif
1640	m_pcBinIf->encodeBin( 0, *( pCtxY + puiCtxIdxY[ uiCtxLast ] ) );
1641	#if LAST_CTX_REDUCTION
1642	}
1643	#endif
1644	}
1645	if ( uiGroupIdxX > 3 )
1646	{
1647	UInt uiCount = ( uiGroupIdxX - 2 ) >> 1;
1648	uiPosX = uiPosX - g_uiMinInGroup[ uiGroupIdxX ];
1649	for (Int i = uiCount - 1 ; i >= 0; i-- )
1650	{
1651	m_pcBinIf->encodeBinEP( ( uiPosX >> i ) & 1 );
1652	}
1653	}
1654	if ( uiGroupIdxY > 3 )
1655	{
1656	UInt uiCount = ( uiGroupIdxY - 2 ) >> 1;
1657	uiPosY = uiPosY - g_uiMinInGroup[ uiGroupIdxY ];
1658	for ( Int i = uiCount - 1 ; i >= 0; i-- )
1659	{
1660	m_pcBinIf->encodeBinEP( ( uiPosY >> i ) & 1 );
1661	}
1662	}
1663	}
1664
1665	Void TEncSbac::codeCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType )
1666	{
1667	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1668	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1669	DTRACE_CABAC_V( eTType )
1670	DTRACE_CABAC_T( "\twidth=" )
1671	DTRACE_CABAC_V( uiWidth )
1672	DTRACE_CABAC_T( "\theight=" )
1673	DTRACE_CABAC_V( uiHeight )
1674	DTRACE_CABAC_T( "\tdepth=" )
1675	DTRACE_CABAC_V( uiDepth )
1676	DTRACE_CABAC_T( "\tabspartidx=" )
1677	DTRACE_CABAC_V( uiAbsPartIdx )
1678	DTRACE_CABAC_T( "\ttoCU-X=" )
1679	DTRACE_CABAC_V( pcCU->getCUPelX() )
1680	DTRACE_CABAC_T( "\ttoCU-Y=" )
1681	DTRACE_CABAC_V( pcCU->getCUPelY() )
1682	DTRACE_CABAC_T( "\tCU-addr=" )
1683	DTRACE_CABAC_V( pcCU->getAddr() )
1684	DTRACE_CABAC_T( "\tinCU-X=" )
1685	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1686	DTRACE_CABAC_T( "\tinCU-Y=" )
1687	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1688	DTRACE_CABAC_T( "\tpredmode=" )
1689	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1690	DTRACE_CABAC_T( "\n" )
1691
1692	if( uiWidth > m_pcSlice->getSPS()->getMaxTrSize() )
1693	{
1694	uiWidth = m_pcSlice->getSPS()->getMaxTrSize();
1695	uiHeight = m_pcSlice->getSPS()->getMaxTrSize();
1696	}
1697
1698	UInt uiNumSig = 0;
1699
1700	// compute number of significant coefficients
1701	uiNumSig = TEncEntropy::countNonZeroCoeffs(pcCoef, uiWidth * uiHeight);
1702
1703	if ( uiNumSig == 0 )
1704	return;
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	if (uiScanIdx == SCAN_ZIGZAG)
1712	{
1713	// Map zigzag to diagonal scan
1714	uiScanIdx = SCAN_DIAG;
1715	}
1716	Int blockType = uiLog2BlockSize;
1717	if (uiWidth != uiHeight)
1718	{
1719	uiScanIdx = SCAN_DIAG;
1720	blockType = 4;
1721	}
1722
1723	const UInt * scan;
1724	if (uiWidth == uiHeight)
1725	{
1726	scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize - 1 ];
1727	}
1728	else
1729	{
1730	scan = g_sigScanNSQT[ uiLog2BlockSize - 2 ];
1731	}
1732
1733	#if MULTIBITS_DATA_HIDING
1734	UInt const tsig = pcCU->getSlice()->getPPS()->getTSIG();
1735	#if LOSSLESS_CODING
1736	Bool beValid;
1737	if (pcCU->isLosslessCoded(uiAbsPartIdx))
1738	{
1739	beValid = false;
1740	}
1741	else
1742	{
1743	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1744	}
1745	#else
1746	Bool beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1747	#endif
1748	#endif
1749
1750	// Find position of last coefficient
1751	Int scanPosLast = -1;
1752	Int posLast;
1753
1754	const UInt * scanCG;
1755	if (uiWidth == uiHeight)
1756	{
1757	scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ];
1758	#if MULTILEVEL_SIGMAP_EXT
1759	if( uiLog2BlockSize == 3 )
1760	{
1761	scanCG = g_sigLastScan8x8[ uiScanIdx ];
1762	}
1763	else if( uiLog2BlockSize == 5 )
1764	{
1765	scanCG = g_sigLastScanCG32x32;
1766	}
1767	#endif
1768	}
1769	else
1770	{
1771	scanCG = g_sigCGScanNSQT[ uiLog2BlockSize - 2 ];
1772	}
1773	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1774	static const UInt uiShift = MLS_CG_SIZE >> 1;
1775	const UInt uiNumBlkSide = uiWidth >> uiShift;
1776
1777	#if !MULTILEVEL_SIGMAP_EXT
1778	if( blockType > 3 )
1779	{
1780	#endif
1781	::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1782
1783	do
1784	{
1785	posLast = scan[ ++scanPosLast ];
1786
1787	// get L1 sig map
1788	UInt uiPosY = posLast >> uiLog2BlockSize;
1789	UInt uiPosX = posLast - ( uiPosY << uiLog2BlockSize );
1790	UInt uiBlkIdx = uiNumBlkSide * (uiPosY >> uiShift) + (uiPosX >> uiShift);
1791	#if MULTILEVEL_SIGMAP_EXT
1792	if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR \|\| uiScanIdx == SCAN_VER) )
1793	{
1794	if( uiScanIdx == SCAN_HOR )
1795	{
1796	uiBlkIdx = uiPosY >> 1;
1797	}
1798	else if( uiScanIdx == SCAN_VER )
1799	{
1800	uiBlkIdx = uiPosX >> 1;
1801	}
1802	}
1803	#endif
1804	if( pcCoef[ posLast ] )
1805	{
1806	uiSigCoeffGroupFlag[ uiBlkIdx ] = 1;
1807	}
1808
1809	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1810	}
1811	while ( uiNumSig > 0 );
1812	#if !MULTILEVEL_SIGMAP_EXT
1813	}
1814	else
1815	{
1816
1817	do
1818	{
1819	posLast = scan[ ++scanPosLast ];
1820	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1821	}
1822	while ( uiNumSig > 0 );
1823
1824	}
1825	#endif
1826
1827	// Code position of last coefficient
1828	Int posLastY = posLast >> uiLog2BlockSize;
1829	Int posLastX = posLast - ( posLastY << uiLog2BlockSize );
1830	codeLastSignificantXY(posLastX, posLastY, uiWidth, uiHeight, eTType, uiScanIdx);
1831
1832	//===== code significance flag =====
1833	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType );
1834	ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA;
1835
1836
1837	const Int iLastScanSet = scanPosLast >> LOG2_SCAN_SET_SIZE;
1838	UInt uiNumOne = 0;
1839	UInt uiGoRiceParam = 0;
1840	Int iScanPosSig = scanPosLast;
1841
1842	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1843	{
1844	Int numNonZero = 0;
1845	Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE;
1846	uiGoRiceParam = 0;
1847	Int absCoeff[16];
1848	UInt coeffSigns = 0;
1849
1850	#if MULTIBITS_DATA_HIDING
1851	Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE;
1852	#endif
1853
1854	if( iScanPosSig == scanPosLast )
1855	{
1856	absCoeff[ 0 ] = abs( pcCoef[ posLast ] );
1857	coeffSigns = ( pcCoef[ posLast ] < 0 );
1858	numNonZero = 1;
1859	#if MULTIBITS_DATA_HIDING
1860	lastNZPosInCG = iScanPosSig;
1861	firstNZPosInCG = iScanPosSig;
1862	#endif
1863	iScanPosSig--;
1864	}
1865
1866	#if !MULTILEVEL_SIGMAP_EXT
1867	if( blockType > 3 )
1868	{
1869	#endif
1870	// encode significant_coeffgroup_flag
1871	Int iCGBlkPos = scanCG[ iSubSet ];
1872	Int iCGPosY = iCGBlkPos / uiNumBlkSide;
1873	Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide);
1874	#if MULTILEVEL_SIGMAP_EXT
1875	if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR \|\| uiScanIdx == SCAN_VER) )
1876	{
1877	iCGPosY = (uiScanIdx == SCAN_HOR ? iCGBlkPos : 0);
1878	iCGPosX = (uiScanIdx == SCAN_VER ? iCGBlkPos : 0);
1879	}
1880	#endif
1881	#if !REMOVE_INFER_SIGGRP
1882	Bool bInferredCGFlag = false;
1883	#endif
1884	#if REMOVE_INFER_SIGGRP
1885	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1886	#else
1887	if( iSubSet == iLastScanSet )
1888	#endif
1889	{
1890	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1891	}
1892	else
1893	{
1894	#if !REMOVE_INFER_SIGGRP
1895	#if MULTILEVEL_SIGMAP_EXT
1896	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight ) && ( iSubSet ) )
1897	#else
1898	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight ) && ( iSubSet ) )
1899	#endif
1900	{
1901	#endif
1902	UInt uiSigCoeffGroup = (uiSigCoeffGroupFlag[ iCGBlkPos ] != 0);
1903	#if MULTILEVEL_SIGMAP_EXT
1904	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight );
1905	#else
1906	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1907	#endif
1908	m_pcBinIf->encodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1909	#if !REMOVE_INFER_SIGGRP
1910	}
1911	else
1912	{
1913	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1914	bInferredCGFlag = true;
1915	}
1916	#endif
1917	}
1918
1919	// encode significant_coeff_flag
1920	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1921	{
1922	UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig;
1923	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1924	{
1925	uiBlkPos = scan[ iScanPosSig ];
1926	uiPosY = uiBlkPos >> uiLog2BlockSize;
1927	uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1928	uiSig = (pcCoef[ uiBlkPos ] != 0);
1929	#if REMOVE_INFER_SIGGRP
1930	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1931	#else
1932	if( iScanPosSig > iSubPos \|\| bInferredCGFlag \|\| numNonZero )
1933	#endif
1934	{
1935	uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1936	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1937	}
1938	if( uiSig )
1939	{
1940	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1941	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1942	numNonZero++;
1943	#if MULTIBITS_DATA_HIDING
1944	if( lastNZPosInCG == -1 )
1945	{
1946	lastNZPosInCG = iScanPosSig;
1947	}
1948	firstNZPosInCG = iScanPosSig;
1949	#endif
1950	}
1951	}
1952	}
1953	else
1954	{
1955	iScanPosSig = iSubPos - 1;
1956	}
1957	#if !MULTILEVEL_SIGMAP_EXT
1958	}
1959	else
1960	{
1961
1962	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1963	{
1964	UInt uiBlkPos = scan[ iScanPosSig ];
1965	UInt uiPosY = uiBlkPos >> uiLog2BlockSize;
1966	UInt uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1967	UInt uiSig = 0;
1968	if( pcCoef[ uiBlkPos ] != 0 )
1969	{
1970	uiSig = 1;
1971	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1972	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1973	numNonZero++;
1974	#if MULTIBITS_DATA_HIDING
1975	if( lastNZPosInCG == -1 )
1976	{
1977	lastNZPosInCG = iScanPosSig;
1978	}
1979	firstNZPosInCG = iScanPosSig;
1980	#endif
1981	}
1982	UInt uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1983	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1984	}
1985
1986	}
1987	#endif
1988
1989	if( numNonZero > 0 )
1990	{
1991	#if MULTIBITS_DATA_HIDING
1992	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= (Int)tsig );
1993	#endif // MULTIBITS_DATA_HIDING
1994
1995	UInt c1 = 1;
1996	#if !RESTRICT_GR1GR2FLAG_NUMBER
1997	UInt c2 = 0;
1998	#endif
1999	#if LEVEL_CTX_LUMA_RED
2000	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0;
2001	#else
2002	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 3 : 0;
2003	#endif
2004
2005	if( uiNumOne > 0 )
2006	{
2007	uiCtxSet++;
2008	#if !LEVEL_CTX_LUMA_RED
2009	if( uiNumOne > 3 && eTType==TEXT_LUMA)
2010	{
2011	uiCtxSet++;
2012	}
2013	#endif
2014	}
2015
2016	uiNumOne >>= 1;
2017	ContextModel baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet;
2018
2019	#if RESTRICT_GR1GR2FLAG_NUMBER
2020	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
2021	Int firstC2FlagIdx = -1;
2022	for( Int idx = 0; idx < numC1Flag; idx++ )
2023	#else
2024	for ( Int idx = 0; idx < numNonZero; idx++ )
2025	#endif
2026	{
2027	UInt uiSymbol = absCoeff[ idx ] > 1;
2028	m_pcBinIf->encodeBin( uiSymbol, baseCtxMod[c1] );
2029	if( uiSymbol )
2030	{
2031	c1 = 0;
2032
2033	#if RESTRICT_GR1GR2FLAG_NUMBER
2034	if (firstC2FlagIdx == -1)
2035	{
2036	firstC2FlagIdx = idx;
2037	}
2038	#endif
2039	}
2040	else if( (c1 < 3) && (c1 > 0) )
2041	{
2042	c1++;
2043	}
2044	}
2045
2046	if (c1 == 0)
2047	{
2048
2049	#if RESTRICT_GR1GR2FLAG_NUMBER
2050	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet;
2051	if ( firstC2FlagIdx != -1)
2052	{
2053	UInt symbol = absCoeff[ firstC2FlagIdx ] > 2;
2054	m_pcBinIf->encodeBin( symbol, baseCtxMod[0] );
2055	}
2056	#else
2057	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + 3 * uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + 3 * uiCtxSet;
2058	for ( Int idx = 0; idx < numNonZero; idx++ )
2059	{
2060	if( absCoeff[ idx ] > 1 )
2061	{
2062	UInt symbol = absCoeff[ idx ] > 2;
2063	m_pcBinIf->encodeBin( symbol, baseCtxMod[c2] );
2064	c2 += (c2 < 2);
2065	uiNumOne++;
2066	}
2067	}
2068	#endif
2069	}
2070
2071	#if MULTIBITS_DATA_HIDING
2072	if( beValid && signHidden )
2073	{
2074	m_pcBinIf->encodeBinsEP( (coeffSigns >> 1), numNonZero-1 );
2075	}
2076	else
2077	{
2078	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
2079	}
2080	#else
2081	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
2082	#endif
2083
2084	#if RESTRICT_GR1GR2FLAG_NUMBER
2085	Int iFirstCoeff2 = 1;
2086	if (c1 == 0 \|\| numNonZero > C1FLAG_NUMBER)
2087	#else
2088	if (c1 == 0)
2089	#endif
2090	{
2091	for ( Int idx = 0; idx < numNonZero; idx++ )
2092	{
2093	#if RESTRICT_GR1GR2FLAG_NUMBER
2094	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1;
2095
2096	if( absCoeff[ idx ] >= baseLevel)
2097	{
2098	xWriteGoRiceExGolomb( absCoeff[ idx ] - baseLevel, uiGoRiceParam );
2099	}
2100	if(absCoeff[ idx ] >= 2)
2101	{
2102	iFirstCoeff2 = 0;
2103	uiNumOne++;
2104	}
2105	#else
2106	if ( absCoeff[ idx ] > 2 )
2107	{
2108	xWriteGoRiceExGolomb( absCoeff[ idx ] - 3, uiGoRiceParam );
2109	}
2110	#endif
2111	}
2112	}
2113	}
2114	else
2115	{
2116	uiNumOne >>= 1;
2117	}
2118	}
2119
2120	return;
2121	}
2122
2123	Void TEncSbac::codeAlfFlag ( UInt uiCode )
2124	{
2125	UInt uiSymbol = ( ( uiCode == 0 ) ? 0 : 1 );
2126	m_pcBinIf->encodeBin( uiSymbol, m_cALFFlagSCModel.get( 0, 0, 0 ) );
2127	}
2128
2129	Void TEncSbac::codeAlfCtrlFlag( UInt uiSymbol )
2130	{
2131	m_pcBinIf->encodeBin( uiSymbol, m_cCUAlfCtrlFlagSCModel.get( 0, 0, 0) );
2132	}
2133
2134	Void TEncSbac::codeAlfUvlc ( UInt uiCode )
2135	{
2136	Int i;
2137
2138	if ( uiCode == 0 )
2139	{
2140	m_pcBinIf->encodeBin( 0, m_cALFUvlcSCModel.get( 0, 0, 0 ) );
2141	}
2142	else
2143	{
2144	m_pcBinIf->encodeBin( 1, m_cALFUvlcSCModel.get( 0, 0, 0 ) );
2145	for ( i=0; i<uiCode-1; i++ )
2146	{
2147	m_pcBinIf->encodeBin( 1, m_cALFUvlcSCModel.get( 0, 0, 1 ) );
2148	}
2149	m_pcBinIf->encodeBin( 0, m_cALFUvlcSCModel.get( 0, 0, 1 ) );
2150	}
2151	}
2152
2153	Void TEncSbac::codeAlfSvlc ( Int iCode )
2154	{
2155	Int i;
2156
2157	if ( iCode == 0 )
2158	{
2159	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 0 ) );
2160	}
2161	else
2162	{
2163	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 0 ) );
2164
2165	// write sign
2166	if ( iCode > 0 )
2167	{
2168	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 1 ) );
2169	}
2170	else
2171	{
2172	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 1 ) );
2173	iCode = -iCode;
2174	}
2175
2176	// write magnitude
2177	for ( i=0; i<iCode-1; i++ )
2178	{
2179	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 2 ) );
2180	}
2181	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 2 ) );
2182	}
2183	}
2184
2185	Void TEncSbac::codeSaoFlag ( UInt uiCode )
2186	{
2187	UInt uiSymbol = ( ( uiCode == 0 ) ? 0 : 1 );
2188	m_pcBinIf->encodeBin( uiSymbol, m_cSaoFlagSCModel.get( 0, 0, 0 ) );
2189	}
2190
2191	Void TEncSbac::codeSaoUvlc ( UInt uiCode )
2192	{
2193	Int i;
2194
2195	if ( uiCode == 0 )
2196	{
2197	m_pcBinIf->encodeBin( 0, m_cSaoUvlcSCModel.get( 0, 0, 0 ) );
2198	}
2199	else
2200	{
2201	m_pcBinIf->encodeBin( 1, m_cSaoUvlcSCModel.get( 0, 0, 0 ) );
2202	for ( i=0; i<uiCode-1; i++ )
2203	{
2204	m_pcBinIf->encodeBin( 1, m_cSaoUvlcSCModel.get( 0, 0, 1 ) );
2205	}
2206	m_pcBinIf->encodeBin( 0, m_cSaoUvlcSCModel.get( 0, 0, 1 ) );
2207	}
2208	}
2209
2210	Void TEncSbac::codeSaoSvlc ( Int iCode )
2211	{
2212	Int i;
2213
2214	if ( iCode == 0 )
2215	{
2216	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 0 ) );
2217	}
2218	else
2219	{
2220	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 0 ) );
2221
2222	// write sign
2223	if ( iCode > 0 )
2224	{
2225	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 1 ) );
2226	}
2227	else
2228	{
2229	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 1 ) );
2230	iCode = -iCode;
2231	}
2232
2233	// write magnitude
2234	for ( i=0; i<iCode-1; i++ )
2235	{
2236	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 2 ) );
2237	}
2238	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 2 ) );
2239	}
2240	}
2241	#if SAO_UNIT_INTERLEAVING
2242	/** Code SAO band position
2243	* \param uiCode
2244	*/
2245	Void TEncSbac::codeSaoUflc ( UInt uiCode )
2246	{
2247	for (Int i=0;i<5;i++)
2248	{
2249	m_pcBinIf->encodeBinEP ( (uiCode>>i) &0x01 );
2250	}
2251	}
2252	/** Code SAO merge left flag
2253	* \param uiCode
2254	* \param uiCompIdx
2255	*/
2256	Void TEncSbac::codeSaoMergeLeft ( UInt uiCode, UInt uiCompIdx )
2257	{
2258	if (uiCode == 0)
2259	{
2260	m_pcBinIf->encodeBin(0, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ));
2261	}
2262	else
2263	{
2264	m_pcBinIf->encodeBin(1, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ));
2265	}
2266	}
2267	/** Code SAO merge up flag
2268	* \param uiCode
2269	*/
2270	Void TEncSbac::codeSaoMergeUp ( UInt uiCode)
2271	{
2272	if (uiCode == 0)
2273	{
2274	m_pcBinIf->encodeBin(0, m_cSaoMergeUpSCModel.get( 0, 0, 0 ));
2275	}
2276	else
2277	{
2278	m_pcBinIf->encodeBin(1, m_cSaoMergeUpSCModel.get( 0, 0, 0 ));
2279	}
2280	}
2281	/** Code SAO type index
2282	* \param uiCode
2283	*/
2284	Void TEncSbac::codeSaoTypeIdx ( UInt uiCode)
2285	{
2286	Int i;
2287	if ( uiCode == 0 )
2288	{
2289	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2290	}
2291	else
2292	{
2293	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2294	for ( i=0; i<uiCode-1; i++ )
2295	{
2296	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) );
2297	}
2298	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) );
2299	}
2300	}
2301	#endif
2302	/*!
2303	****************************************************************************
2304	* \brief
2305	* estimate bit cost for CBP, significant map and significant coefficients
2306	****************************************************************************
2307	*/
2308	Void TEncSbac::estBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2309	{
2310	estCBFBit( pcEstBitsSbac, 0, eTType );
2311
2312	estSignificantCoeffGroupMapBit( pcEstBitsSbac, 0, eTType );
2313
2314	// encode significance map
2315	estSignificantMapBit( pcEstBitsSbac, width, height, eTType );
2316
2317	// encode significant coefficients
2318	estSignificantCoefficientsBit( pcEstBitsSbac, 0, eTType );
2319	}
2320
2321	/*!
2322	****************************************************************************
2323	* \brief
2324	* estimate bit cost for each CBP bit
2325	****************************************************************************
2326	*/
2327	Void TEncSbac::estCBFBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2328	{
2329	ContextModel *pCtx = m_cCUQtCbfSCModel.get( 0 );
2330
2331	for( UInt uiCtxInc = 0; uiCtxInc < 3*NUM_QT_CBF_CTX; uiCtxInc++ )
2332	{
2333	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2334	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2335	}
2336
2337	pCtx = m_cCUQtRootCbfSCModel.get( 0 );
2338
2339	for( UInt uiCtxInc = 0; uiCtxInc < 4; uiCtxInc++ )
2340	{
2341	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2342	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2343	}
2344	}
2345
2346
2347	/*!
2348	****************************************************************************
2349	* \brief
2350	* estimate SAMBAC bit cost for significant coefficient group map
2351	****************************************************************************
2352	*/
2353	Void TEncSbac::estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2354	{
2355	Int firstCtx = 0, numCtx = NUM_SIG_CG_FLAG_CTX;
2356
2357	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2358	{
2359	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2360	{
2361	pcEstBitsSbac->significantCoeffGroupBits[ ctxIdx ][ uiBin ] = m_cCUSigCoeffGroupSCModel.get( 0, eTType, ctxIdx ).getEntropyBits( uiBin );
2362	}
2363	}
2364	}
2365
2366
2367	/*!
2368	****************************************************************************
2369	* \brief
2370	* estimate SAMBAC bit cost for significant coefficient map
2371	****************************************************************************
2372	*/
2373	Void TEncSbac::estSignificantMapBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2374	{
2375	Int firstCtx = 0, numCtx = (eTType == TEXT_LUMA) ? 9 : 6;
2376	if (std::max(width, height) >= 16)
2377	{
2378	firstCtx = (eTType == TEXT_LUMA) ? 20 : 17;
2379	numCtx = (eTType == TEXT_LUMA) ? 7 : 4;
2380	}
2381	else if (width == 8)
2382	{
2383	firstCtx = (eTType == TEXT_LUMA) ? 9 : 6;
2384	numCtx = 11;
2385	}
2386
2387	if (eTType == TEXT_LUMA )
2388	{
2389	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2390	{
2391	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2392	{
2393	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, ctxIdx ).getEntropyBits( uiBin );
2394	}
2395	}
2396	}
2397	else
2398	{
2399	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2400	{
2401	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2402	{
2403	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + ctxIdx ).getEntropyBits( uiBin );
2404	}
2405	}
2406	}
2407	Int iBitsX = 0, iBitsY = 0;
2408	const UInt *puiCtxIdx;
2409	Int ctx;
2410	#if LAST_CTX_REDUCTION
2411	Int widthCtx = eTType? 4 : width;
2412	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ widthCtx ]*(g_aucConvertToBit[ widthCtx ]+3));
2413	#else
2414	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ width ]*(g_aucConvertToBit[ width ]+3));
2415	#endif
2416	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
2417	for (ctx = 0; ctx < g_uiGroupIdx[ width - 1 ]; ctx++)
2418	{
2419	Int ctxOffset = puiCtxIdx[ ctx ];
2420	#if LAST_CTX_REDUCTION
2421	if (eTType)
2422	{
2423	Int ctxOffsetC = ctx>>g_aucConvertToBit[ width ];
2424	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffsetC ].getEntropyBits( 0 );
2425	iBitsX += pCtxX[ ctxOffsetC].getEntropyBits( 1 );
2426	}
2427	else
2428	{
2429	#endif
2430	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffset ].getEntropyBits( 0 );
2431	iBitsX += pCtxX[ ctxOffset ].getEntropyBits( 1 );
2432	#if LAST_CTX_REDUCTION
2433	}
2434	#endif
2435	}
2436	pcEstBitsSbac->lastXBits[ctx] = iBitsX;
2437
2438	#if LAST_CTX_REDUCTION
2439	Int heightCtx = eTType? 4 : height;
2440	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ heightCtx ]*(g_aucConvertToBit[ heightCtx ]+3));
2441	#else
2442	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ height ]*(g_aucConvertToBit[ height ]+3));
2443	#endif
2444	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
2445	for (ctx = 0; ctx < g_uiGroupIdx[ height - 1 ]; ctx++)
2446	{
2447	Int ctxOffset = puiCtxIdx[ ctx ];
2448	#if LAST_CTX_REDUCTION
2449	if (eTType)
2450	{
2451	Int ctxOffsetC = ctx>>g_aucConvertToBit[ height ];
2452	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffsetC ].getEntropyBits( 0 );
2453	iBitsY += pCtxY[ctxOffsetC].getEntropyBits( 1 );
2454	}
2455	else
2456	{
2457	#endif
2458	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffset ].getEntropyBits( 0 );
2459	iBitsY += pCtxY[ ctxOffset ].getEntropyBits( 1 );
2460	#if LAST_CTX_REDUCTION
2461	}
2462	#endif
2463	}
2464	pcEstBitsSbac->lastYBits[ctx] = iBitsY;
2465	}
2466
2467	/*!
2468	****************************************************************************
2469	* \brief
2470	* estimate bit cost of significant coefficient
2471	****************************************************************************
2472	*/
2473	Void TEncSbac::estSignificantCoefficientsBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2474	{
2475	if (eTType==TEXT_LUMA)
2476	{
2477	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0);
2478	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0);
2479
2480	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_LUMA; ctxIdx++)
2481	{
2482	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2483	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2484	}
2485
2486	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_LUMA; ctxIdx++)
2487	{
2488	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2489	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2490	}
2491	}
2492	else
2493	{
2494	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0) + NUM_ONE_FLAG_CTX_LUMA;
2495	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0) + NUM_ABS_FLAG_CTX_LUMA;
2496
2497	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_CHROMA; ctxIdx++)
2498	{
2499	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2500	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2501	}
2502
2503	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_CHROMA; ctxIdx++)
2504	{
2505	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2506	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2507	}
2508	}
2509	}
2510
2511	/**
2512	- Initialize our context information from the nominated source.
2513	.
2514	\param pSrc From where to copy context information.
2515	*/
2516	Void TEncSbac::xCopyContextsFrom( TEncSbac* pSrc )
2517	{
2518	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2519	}
2520
2521	Void TEncSbac::loadContexts ( TEncSbac* pScr)
2522	{
2523	this->xCopyContextsFrom(pScr);
2524	}
2525
2526	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX \|\| (LGE_EDGE_INTRA_A0070 && LGE_EDGE_INTRA_DELTA_DC)
2527	Void TEncSbac::xWriteExGolombLevel( UInt uiSymbol, ContextModel& rcSCModel )
2528	{
2529	if( uiSymbol )
2530	{
2531	m_pcBinIf->encodeBin( 1, rcSCModel );
2532	UInt uiCount = 0;
2533	Bool bNoExGo = (uiSymbol < 13);
2534
2535	while( --uiSymbol && ++uiCount < 13 )
2536	{
2537	m_pcBinIf->encodeBin( 1, rcSCModel );
2538	}
2539	if( bNoExGo )
2540	{
2541	m_pcBinIf->encodeBin( 0, rcSCModel );
2542	}
2543	else
2544	{
2545	xWriteEpExGolomb( uiSymbol, 0 );
2546	}
2547	}
2548	else
2549	{
2550	m_pcBinIf->encodeBin( 0, rcSCModel );
2551	}
2552
2553	return;
2554	}
2555	#endif
2556	#if HHI_DMM_WEDGE_INTRA
2557	Void TEncSbac::xCodeWedgeFullInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2558	{
2559	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2560	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2561
2562	UInt uiTabIdx = pcCU->getWedgeFullTabIdx( uiAbsPartIdx );
2563
2564	for ( Int i = 0; i < iBits; i++ )
2565	{
2566	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmmDataSCModel.get(0, 0, 0) );
2567	}
2568	}
2569
2570	Void TEncSbac::xCodeWedgeFullDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2571	{
2572	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2573	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2574
2575	UInt uiTabIdx = pcCU->getWedgeFullTabIdx( uiAbsPartIdx );
2576
2577	for ( Int i = 0; i < iBits; i++ )
2578	{
2579	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmmDataSCModel.get(0, 0, 0) );
2580	}
2581
2582	Int iDeltaDC1 = pcCU->getWedgeFullDeltaDC1( uiAbsPartIdx );
2583	Int iDeltaDC2 = pcCU->getWedgeFullDeltaDC2( uiAbsPartIdx );
2584
2585	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2586	if ( iDeltaDC1 != 0 )
2587	{
2588	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2589	m_pcBinIf->encodeBinEP( uiSign );
2590	}
2591	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2592	if ( iDeltaDC2 != 0 )
2593	{
2594	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2595	m_pcBinIf->encodeBinEP( uiSign );
2596	}
2597	}
2598
2599	Void TEncSbac::xCodeWedgePredDirInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2600	{
2601	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2602	{
2603	Int iDeltaEnd = pcCU->getWedgePredDirDeltaEnd( uiAbsPartIdx );
2604	m_pcBinIf->encodeBin( (iDeltaEnd!=0), m_cDmmDataSCModel.get(0, 0, 2) );
2605
2606	if( iDeltaEnd != 0 )
2607	{
2608	UInt uiAbsValMinus1 = abs(iDeltaEnd)-1;
2609	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x01), m_cDmmDataSCModel.get(0, 0, 2) );
2610	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x02) >> 1, m_cDmmDataSCModel.get(0, 0, 2) );
2611
2612	UInt uiSign = iDeltaEnd > 0 ? 0 : 1;
2613	m_pcBinIf->encodeBinEP( uiSign );
2614	}
2615	}
2616	}
2617
2618	Void TEncSbac::xCodeWedgePredDirDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2619	{
2620	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2621	{
2622	Int iDeltaEnd = pcCU->getWedgePredDirDeltaEnd( uiAbsPartIdx );
2623	m_pcBinIf->encodeBin( (iDeltaEnd!=0), m_cDmmDataSCModel.get(0, 0, 2) );
2624
2625	if( iDeltaEnd != 0 )
2626	{
2627	UInt uiAbsValMinus1 = abs(iDeltaEnd)-1;
2628	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x01), m_cDmmDataSCModel.get(0, 0, 2) );
2629	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x02) >> 1, m_cDmmDataSCModel.get(0, 0, 2) );
2630
2631	UInt uiSign = iDeltaEnd > 0 ? 0 : 1;
2632	m_pcBinIf->encodeBinEP( uiSign );
2633	}
2634	}
2635
2636	Int iDeltaDC1 = pcCU->getWedgePredDirDeltaDC1( uiAbsPartIdx );
2637	Int iDeltaDC2 = pcCU->getWedgePredDirDeltaDC2( uiAbsPartIdx );
2638
2639	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2640	if ( iDeltaDC1 != 0 )
2641	{
2642	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2643	m_pcBinIf->encodeBinEP( uiSign );
2644	}
2645	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2646	if ( iDeltaDC2 != 0 )
2647	{
2648	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2649	m_pcBinIf->encodeBinEP( uiSign );
2650	}
2651	}
2652	#endif
2653	#if HHI_DMM_PRED_TEX
2654	Void TEncSbac::xCodeWedgePredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2655	{
2656	Int iDeltaDC1 = pcCU->getWedgePredTexDeltaDC1( uiAbsPartIdx );
2657	Int iDeltaDC2 = pcCU->getWedgePredTexDeltaDC2( uiAbsPartIdx );
2658
2659	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2660	if ( iDeltaDC1 != 0 )
2661	{
2662	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2663	m_pcBinIf->encodeBinEP( uiSign );
2664	}
2665	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2666	if ( iDeltaDC2 != 0 )
2667	{
2668	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2669	m_pcBinIf->encodeBinEP( uiSign );
2670	}
2671	}
2672
2673	Void TEncSbac::xCodeContourPredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2674	{
2675	Int iDeltaDC1 = pcCU->getContourPredTexDeltaDC1( uiAbsPartIdx );
2676	Int iDeltaDC2 = pcCU->getContourPredTexDeltaDC2( uiAbsPartIdx );
2677
2678	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2679	if ( iDeltaDC1 != 0 )
2680	{
2681	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2682	m_pcBinIf->encodeBinEP( uiSign );
2683	}
2684	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2685	if ( iDeltaDC2 != 0 )
2686	{
2687	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2688	m_pcBinIf->encodeBinEP( uiSign );
2689	}
2690	}
2691	#endif
2692
2693	#if RWTH_SDC_DLT_B0036
2694	Void TEncSbac::codeSDCPredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
2695	{
2696	assert( pcCU->getSlice()->getSPS()->isDepth() );
2697	assert( pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N );
2698	assert( pcCU->getSDCFlag(uiAbsPartIdx) );
2699
2700	UInt uiPredMode = pcCU->getLumaIntraDir(uiAbsPartIdx);
2701	UInt uiCtx = 0;
2702
2703	UInt uiMPModeIdx = 0;
2704
2705	for(Int i=0; i<RWTH_SDC_NUM_PRED_MODES-1; i++)
2706	{
2707	UInt uiBit = (uiPredMode == g_auiSDCPredModes[uiMPModeIdx]) ? 1 : 0;
2708	m_pcBinIf->encodeBin( uiBit, m_cSDCPredModeSCModel.get( 0, i, uiCtx ) );
2709
2710	// if mode is most probable mode, we are done here
2711	if ( uiBit == 1 )
2712	break;
2713
2714	// else: get next most probable pred mode
2715	uiMPModeIdx = (uiMPModeIdx+1)%RWTH_SDC_NUM_PRED_MODES;
2716	}
2717
2718	#if HHI_DMM_WEDGE_INTRA
2719	if( uiPredMode == DMM_WEDGE_FULL_IDX ) { xCodeWedgeFullInfo ( pcCU, uiAbsPartIdx ); }
2720	if( uiPredMode == DMM_WEDGE_PREDDIR_IDX ) { xCodeWedgePredDirInfo ( pcCU, uiAbsPartIdx ); }
2721	#endif
2722
2723	AOF(uiPredMode == g_auiSDCPredModes[uiMPModeIdx]);
2724	}
2725
2726	Void TEncSbac::codeSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
2727	{
2728	// get context function is here
2729	UInt uiSymbol = pcCU->getSDCFlag( uiAbsPartIdx ) ? 1 : 0;
2730	UInt uiCtxSDCFlag = pcCU->getCtxSDCFlag( uiAbsPartIdx );
2731	m_pcBinIf->encodeBin( uiSymbol, m_cSDCFlagSCModel.get( 0, 0, uiCtxSDCFlag ) );
2732
2733	}
2734
2735	Void TEncSbac::codeSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiSegment )
2736	{
2737	assert( pcCU->getSlice()->getSPS()->isDepth() );
2738	assert( pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N );
2739	assert( pcCU->getSDCFlag(uiAbsPartIdx) );
2740	assert( uiSegment < 2 );
2741
2742	Pel segmentDCOffset = pcCU->getSDCSegmentDCOffset(uiSegment, uiAbsPartIdx);
2743
2744	UInt uiResidual = segmentDCOffset == 0 ? 0 : 1;
2745	UInt uiSign = segmentDCOffset < 0 ? 1 : 0;
2746	UInt uiAbsIdx = abs(segmentDCOffset);
2747	UInt uiBit = 0;
2748
2749	UInt uiMaxResidualBits = GetBitsPerDepthValue();
2750	assert( uiMaxResidualBits <= g_uiBitDepth );
2751
2752	// residual flag
2753	m_pcBinIf->encodeBin( uiResidual, m_cSDCResidualFlagSCModel.get( 0, uiSegment, 0 ) ); //TODO depthmap: more sophisticated context selection
2754
2755	if (uiResidual)
2756	{
2757	// encode sign bit of residual
2758	m_pcBinIf->encodeBin( uiSign, m_cSDCResidualSignFlagSCModel.get( 0, uiSegment, 0 ) ); //TODO depthmap: more sophisticated context selection
2759
2760	assert(uiAbsIdx < GetNumDepthValues());
2761
2762	// encode residual magnitude
2763	uiAbsIdx -= 1;
2764	for (Int i=0; i<uiMaxResidualBits; i++)
2765	{
2766	uiBit = (uiAbsIdx & (1<<i))>>i;
2767
2768	m_pcBinIf->encodeBin( uiBit, m_cSDCResidualSCModel.get( 0, uiSegment, i ) ); //TODO depthmap: more sophisticated context selection
2769	}
2770
2771	}
2772	}
2773	#endif
2774	//! \}

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source: 3DVCSoftware/branches/HTM-5.0-Qualcomm/source/Lib/TLibEncoder/TEncSbac.cpp

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