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TEncSbac.cpp @ 852

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Last change on this file since 852 was 254, checked in by mediatek-htm, 12 years ago

Integration of JCT3V-C0137

The added texture merging candidate is controlled by the MACRO "MTK_DEPTH_MERGE_TEXTURE_CANDIDATE_C0137"

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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 \|\| OL_QTLIMIT_PREDCODING_B0068
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
1079	#if FLEX_CODING_ORDER_M23723
1080	if ( !pcCU->getSlice()->getSPS()->getUseDMM34() )
1081	{
1082	assert( uiDir != DMM_WEDGE_PREDTEX_D_IDX );
1083	assert( uiDir != DMM_CONTOUR_PREDTEX_D_IDX );
1084	}
1085	#endif
1086
1087	if( uiDir == DMM_WEDGE_PREDTEX_D_IDX ) { xCodeWedgePredTexDeltaInfo ( pcCU, uiAbsPartIdx ); }
1088	if( uiDir == DMM_CONTOUR_PREDTEX_D_IDX ) { xCodeContourPredTexDeltaInfo( pcCU, uiAbsPartIdx ); }
1089	#endif
1090	}
1091	else
1092	#if LGE_EDGE_INTRA_A0070
1093	if ( uiDir >= EDGE_INTRA_IDX)
1094	{
1095	m_pcBinIf->encodeBin( 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1096	m_pcBinIf->encodeBinsEP( 63, 6 );
1097	xCodeEdgeIntraInfo( pcCU, uiAbsPartIdx );
1098	#if LGE_EDGE_INTRA_DELTA_DC
1099	m_pcBinIf->encodeBin( (uiDir == EDGE_INTRA_DELTA_IDX), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 0) );
1100	if( uiDir == EDGE_INTRA_DELTA_IDX )
1101	{
1102	Int iDeltaDC0 = pcCU->getEdgeDeltaDC0( uiAbsPartIdx );
1103	Int iDeltaDC1 = pcCU->getEdgeDeltaDC1( uiAbsPartIdx );
1104
1105	xWriteExGolombLevel( UInt( abs( iDeltaDC0 ) ), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
1106	if ( iDeltaDC0 != 0 )
1107	{
1108	UInt uiSign = iDeltaDC0 > 0 ? 0 : 1;
1109	m_pcBinIf->encodeBinEP( uiSign );
1110	}
1111	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
1112	if ( iDeltaDC1 != 0 )
1113	{
1114	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
1115	m_pcBinIf->encodeBinEP( uiSign );
1116	}
1117	}
1118	#endif
1119	}
1120	else
1121	#endif // LGE_EDGE_INTRA
1122	{
1123	#endif
1124	#if !LOGI_INTRA_NAME_3MPM
1125	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
1126	#endif
1127	#if LGE_EDGE_INTRA_A0070
1128	Bool bCodeEdgeIntra = false;
1129	if( pcCU->getSlice()->getSPS()->isDepth() )
1130	{
1131	UInt uiPUWidth = pcCU->getWidth( uiAbsPartIdx ) >> (pcCU->getPartitionSize( uiAbsPartIdx ) == SIZE_NxN ? 1 : 0);
1132	if( uiPUWidth <= LGE_EDGE_INTRA_MAX_SIZE && uiPUWidth >= LGE_EDGE_INTRA_MIN_SIZE )
1133	bCodeEdgeIntra = true;
1134	}
1135	#endif
1136
1137	#if LOGI_INTRA_NAME_3MPM
1138	Int uiPreds[3] = {-1, -1, -1};
1139	#else
1140	Int uiPreds[2] = {-1, -1};
1141	#endif
1142	Int uiPredNum = pcCU->getIntraDirLumaPredictor(uiAbsPartIdx, uiPreds);
1143
1144	Int uiPredIdx = -1;
1145
1146	for(UInt i = 0; i < uiPredNum; i++)
1147	{
1148	if(uiDir == uiPreds[i])
1149	{
1150	uiPredIdx = i;
1151	}
1152	}
1153
1154	if(uiPredIdx != -1)
1155	{
1156	m_pcBinIf->encodeBin( 1, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1157	#if LOGI_INTRA_NAME_3MPM
1158	m_pcBinIf->encodeBinEP( uiPredIdx ? 1 : 0 );
1159	if (uiPredIdx)
1160	{
1161	m_pcBinIf->encodeBinEP( uiPredIdx-1 );
1162	}
1163	#else
1164	m_pcBinIf->encodeBinEP( uiPredIdx );
1165	#endif
1166	}
1167	else
1168	{
1169	m_pcBinIf->encodeBin( 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1170
1171	#if LOGI_INTRA_NAME_3MPM
1172	if (uiPreds[0] > uiPreds[1])
1173	{
1174	std::swap(uiPreds[0], uiPreds[1]);
1175	}
1176	if (uiPreds[0] > uiPreds[2])
1177	{
1178	std::swap(uiPreds[0], uiPreds[2]);
1179	}
1180	if (uiPreds[1] > uiPreds[2])
1181	{
1182	std::swap(uiPreds[1], uiPreds[2]);
1183	}
1184	#endif
1185
1186	for(Int i = (uiPredNum - 1); i >= 0; i--)
1187	{
1188	uiDir = uiDir > uiPreds[i] ? uiDir - 1 : uiDir;
1189	}
1190
1191	#if LOGI_INTRA_NAME_3MPM
1192	m_pcBinIf->encodeBinsEP( uiDir, 5 );
1193	#if LGE_EDGE_INTRA_A0070
1194	if (bCodeEdgeIntra)
1195	if (uiDir == 31) m_pcBinIf->encodeBinsEP(0,1);
1196	#endif
1197	#else
1198	if ( uiDir < 31 )
1199	{
1200	m_pcBinIf->encodeBinsEP( uiDir, g_aucIntraModeBitsAng[ iIntraIdx ] - 1 );
1201	}
1202	else
1203	{
1204	m_pcBinIf->encodeBinsEP( 31, 5 );
1205	m_pcBinIf->encodeBinEP( uiDir - 31 );
1206	}
1207	#endif
1208	}
1209	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
1210	}
1211	#endif
1212	return;
1213	}
1214
1215	Void TEncSbac::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx )
1216	{
1217	UInt uiIntraDirChroma = pcCU->getChromaIntraDir( uiAbsPartIdx );
1218
1219	if( uiIntraDirChroma == DM_CHROMA_IDX )
1220	{
1221	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1222	}
1223	else if( uiIntraDirChroma == LM_CHROMA_IDX )
1224	{
1225	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1226	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 1 ) );
1227	}
1228	else
1229	{
1230	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1231	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1232
1233	for( Int i = 0; i < NUM_CHROMA_MODE - 2; i++ )
1234	{
1235	if( uiIntraDirChroma == uiAllowedChromaDir[i] )
1236	{
1237	uiIntraDirChroma = i;
1238	break;
1239	}
1240	}
1241	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1242
1243	if (pcCU->getSlice()->getSPS()->getUseLMChroma())
1244	{
1245	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 1 ));
1246	}
1247	#if CHROMA_MODE_CODING
1248	m_pcBinIf->encodeBinsEP( uiIntraDirChroma, 2 );
1249	#else
1250	xWriteUnaryMaxSymbol( uiIntraDirChroma, m_cCUChromaPredSCModel.get( 0, 0 ) + 1, 0, 3 );
1251	#endif
1252	}
1253	return;
1254	}
1255
1256	Void TEncSbac::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
1257	{
1258	const UInt uiInterDir = pcCU->getInterDir( uiAbsPartIdx ) - 1;
1259	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1260	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1261	m_pcBinIf->encodeBin( uiInterDir == 2 ? 1 : 0, *( pCtx + uiCtx ) );
1262
1263	return;
1264	}
1265
1266	Void TEncSbac::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1267	{
1268	if ( pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C) > 0 && pcCU->getInterDir( uiAbsPartIdx ) != 3)
1269	{
1270	Int iRefFrame = pcCU->getSlice()->getRefIdxOfLC(eRefList, pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx ));
1271
1272	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1273	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1274
1275	if( iRefFrame > 0 )
1276	{
1277	xWriteUnaryMaxSymbol( iRefFrame - 1, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_C )-2 );
1278	}
1279	}
1280	else
1281	{
1282	Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1283	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1284	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1285
1286	if( iRefFrame > 0 )
1287	{
1288	xWriteUnaryMaxSymbol( iRefFrame - 1, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( eRefList )-2 );
1289	}
1290	}
1291	return;
1292	}
1293
1294	Void TEncSbac::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1295	{
1296	#if H0111_MVD_L1_ZERO
1297	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1298	{
1299	return;
1300	}
1301	#endif
1302
1303	const TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList );
1304	const Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor();
1305	const Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer();
1306	ContextModel* pCtx = m_cCUMvdSCModel.get( 0 );
1307
1308	m_pcBinIf->encodeBin( iHor != 0 ? 1 : 0, *pCtx );
1309	m_pcBinIf->encodeBin( iVer != 0 ? 1 : 0, *pCtx );
1310
1311	const Bool bHorAbsGr0 = iHor != 0;
1312	const Bool bVerAbsGr0 = iVer != 0;
1313	const UInt uiHorAbs = 0 > iHor ? -iHor : iHor;
1314	const UInt uiVerAbs = 0 > iVer ? -iVer : iVer;
1315	pCtx++;
1316
1317	if( bHorAbsGr0 )
1318	{
1319	m_pcBinIf->encodeBin( uiHorAbs > 1 ? 1 : 0, *pCtx );
1320	}
1321
1322	if( bVerAbsGr0 )
1323	{
1324	m_pcBinIf->encodeBin( uiVerAbs > 1 ? 1 : 0, *pCtx );
1325	}
1326
1327	if( bHorAbsGr0 )
1328	{
1329	if( uiHorAbs > 1 )
1330	{
1331	xWriteEpExGolomb( uiHorAbs-2, 1 );
1332	}
1333
1334	m_pcBinIf->encodeBinEP( 0 > iHor ? 1 : 0 );
1335	}
1336
1337	if( bVerAbsGr0 )
1338	{
1339	if( uiVerAbs > 1 )
1340	{
1341	xWriteEpExGolomb( uiVerAbs-2, 1 );
1342	}
1343
1344	m_pcBinIf->encodeBinEP( 0 > iVer ? 1 : 0 );
1345	}
1346
1347	return;
1348	}
1349
1350	Void TEncSbac::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx )
1351	{
1352	Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
1353
1354	#if H0736_AVC_STYLE_QP_RANGE
1355	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY();
1356	iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
1357	#else
1358	#if LOSSLESS_CODING
1359	if(pcCU->getSlice()->getSPS()->getUseLossless())
1360	{
1361	if(iDQp > 25)
1362	{
1363	iDQp = iDQp - 52;
1364	}
1365	if(iDQp < -26)
1366	{
1367	iDQp = iDQp + 52;
1368	}
1369	}
1370	#endif
1371	#endif
1372
1373	if ( iDQp == 0 )
1374	{
1375	m_pcBinIf->encodeBin( 0, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) );
1376	}
1377	else
1378	{
1379	m_pcBinIf->encodeBin( 1, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) );
1380
1381	UInt uiSign = (iDQp > 0 ? 0 : 1);
1382	#if !H0736_AVC_STYLE_QP_RANGE
1383	UInt uiQpBdOffsetY = 6*(g_uiBitIncrement + g_uiBitDepth - 8);
1384	#endif
1385
1386	m_pcBinIf->encodeBinEP(uiSign);
1387
1388	#if H0736_AVC_STYLE_QP_RANGE
1389	assert(iDQp >= -(26+(qpBdOffsetY/2)));
1390	assert(iDQp <= (25+(qpBdOffsetY/2)));
1391
1392	UInt uiMaxAbsDQpMinus1 = 24 + (qpBdOffsetY/2) + (uiSign);
1393	#else
1394	assert(iDQp >= -(26+(Int)(uiQpBdOffsetY/2)));
1395	assert(iDQp <= (25+(Int)(uiQpBdOffsetY/2)));
1396
1397	UInt uiMaxAbsDQpMinus1 = 24 + (uiQpBdOffsetY/2) + (uiSign);
1398	#endif
1399	UInt uiAbsDQpMinus1 = (UInt)((iDQp > 0)? iDQp : (-iDQp)) - 1;
1400	xWriteUnaryMaxSymbol( uiAbsDQpMinus1, &m_cCUDeltaQpSCModel.get( 0, 0, 1 ), 1, uiMaxAbsDQpMinus1);
1401	}
1402
1403	return;
1404	}
1405
1406	Void TEncSbac::codeQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth )
1407	{
1408	UInt uiCbf = pcCU->getCbf ( uiAbsPartIdx, eType, uiTrDepth );
1409	UInt uiCtx = pcCU->getCtxQtCbf( uiAbsPartIdx, eType, uiTrDepth );
1410	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) );
1411	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1412	DTRACE_CABAC_T( "\tparseQtCbf()" )
1413	DTRACE_CABAC_T( "\tsymbol=" )
1414	DTRACE_CABAC_V( uiCbf )
1415	DTRACE_CABAC_T( "\tctx=" )
1416	DTRACE_CABAC_V( uiCtx )
1417	DTRACE_CABAC_T( "\tetype=" )
1418	DTRACE_CABAC_V( eType )
1419	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1420	DTRACE_CABAC_V( uiAbsPartIdx )
1421	DTRACE_CABAC_T( "\n" )
1422	}
1423
1424	#if BURST_IPCM
1425	/** Code I_PCM information.
1426	* \param pcCU pointer to CU
1427	* \param uiAbsPartIdx CU index
1428	* \param numIPCM the number of succesive IPCM blocks with the same size
1429	* \param firstIPCMFlag
1430	* \returns Void
1431	*/
1432	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, Int numIPCM, Bool firstIPCMFlag)
1433	#else
1434	/** Code I_PCM information.
1435	* \param pcCU pointer to CU
1436	* \param uiAbsPartIdx CU index
1437	* \returns Void
1438	*
1439	* If I_PCM flag indicates that the CU is I_PCM, code its PCM alignment bits and codes.
1440	*/
1441	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx)
1442	#endif
1443	{
1444	UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0;
1445
1446	#if BURST_IPCM
1447	Bool writePCMSampleFlag = pcCU->getIPCMFlag(uiAbsPartIdx);
1448
1449	if( uiIPCM == 0 \|\| firstIPCMFlag)
1450	{
1451	m_pcBinIf->encodeBinTrm (uiIPCM);
1452
1453	if ( firstIPCMFlag )
1454	{
1455	m_pcBinIf->encodeNumSubseqIPCM( numIPCM - 1 );
1456	m_pcBinIf->encodePCMAlignBits();
1457	}
1458	}
1459	#else
1460	m_pcBinIf->encodeBinTrm (uiIPCM);
1461	#endif
1462
1463	#if BURST_IPCM
1464	if (writePCMSampleFlag)
1465	#else
1466	if (uiIPCM)
1467	#endif
1468	{
1469	#if !BURST_IPCM
1470	m_pcBinIf->encodePCMAlignBits();
1471	#endif
1472	UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight();
1473	UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx;
1474	UInt uiChromaOffset = uiLumaOffset>>2;
1475	Pel* piPCMSample;
1476	UInt uiWidth;
1477	UInt uiHeight;
1478	UInt uiSampleBits;
1479	UInt uiX, uiY;
1480
1481	piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset;
1482	uiWidth = pcCU->getWidth(uiAbsPartIdx);
1483	uiHeight = pcCU->getHeight(uiAbsPartIdx);
1484	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma();
1485
1486	for(uiY = 0; uiY < uiHeight; uiY++)
1487	{
1488	for(uiX = 0; uiX < uiWidth; uiX++)
1489	{
1490	UInt uiSample = piPCMSample[uiX];
1491
1492	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1493	}
1494	piPCMSample += uiWidth;
1495	}
1496
1497	piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset;
1498	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1499	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1500	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1501
1502	for(uiY = 0; uiY < uiHeight; uiY++)
1503	{
1504	for(uiX = 0; uiX < uiWidth; uiX++)
1505	{
1506	UInt uiSample = piPCMSample[uiX];
1507
1508	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1509	}
1510	piPCMSample += uiWidth;
1511	}
1512
1513	piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset;
1514	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1515	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1516	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1517
1518	for(uiY = 0; uiY < uiHeight; uiY++)
1519	{
1520	for(uiX = 0; uiX < uiWidth; uiX++)
1521	{
1522	UInt uiSample = piPCMSample[uiX];
1523
1524	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1525	}
1526	piPCMSample += uiWidth;
1527	}
1528	#if BURST_IPCM
1529	numIPCM--;
1530	if(numIPCM == 0)
1531	{
1532	m_pcBinIf->resetBac();
1533	}
1534	#else
1535	m_pcBinIf->resetBac();
1536	#endif
1537	}
1538	}
1539
1540	Void TEncSbac::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx )
1541	{
1542	UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx );
1543	UInt uiCtx = 0;
1544	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1545	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1546	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1547	DTRACE_CABAC_T( "\tsymbol=" )
1548	DTRACE_CABAC_V( uiCbf )
1549	DTRACE_CABAC_T( "\tctx=" )
1550	DTRACE_CABAC_V( uiCtx )
1551	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1552	DTRACE_CABAC_V( uiAbsPartIdx )
1553	DTRACE_CABAC_T( "\n" )
1554	}
1555
1556	/** Encode (X,Y) position of the last significant coefficient
1557	* \param uiPosX X component of last coefficient
1558	* \param uiPosY Y component of last coefficient
1559	* \param width Block width
1560	* \param height Block height
1561	* \param eTType plane type / luminance or chrominance
1562	* \param uiScanIdx scan type (zig-zag, hor, ver)
1563	* This method encodes the X and Y component within a block of the last significant coefficient.
1564	*/
1565	Void TEncSbac::codeLastSignificantXY( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx )
1566	{
1567	// swap
1568	if( uiScanIdx == SCAN_VER )
1569	{
1570	swap( uiPosX, uiPosY );
1571	}
1572
1573	UInt uiCtxLast;
1574	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
1575	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
1576	UInt uiGroupIdxX = g_uiGroupIdx[ uiPosX ];
1577	UInt uiGroupIdxY = g_uiGroupIdx[ uiPosY ];
1578
1579	// posX
1580	#if LAST_CTX_REDUCTION
1581	Int widthCtx = eTType? 4: width;
1582	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ widthCtx ] ( g_aucConvertToBit[ widthCtx ] + 3 ) );
1583	#else
1584	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ width ] ( g_aucConvertToBit[ width ] + 3 ) );
1585	#endif
1586	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxX; uiCtxLast++ )
1587	{
1588	#if LAST_CTX_REDUCTION
1589	if (eTType)
1590	{
1591	m_pcBinIf->encodeBin( 1, *( pCtxX + (uiCtxLast>>g_aucConvertToBit[ width ]) ) );
1592	}
1593	else
1594	{
1595	#endif
1596	m_pcBinIf->encodeBin( 1, *( pCtxX + puiCtxIdxX[ uiCtxLast ] ) );
1597	#if LAST_CTX_REDUCTION
1598	}
1599	#endif
1600	}
1601	if( uiGroupIdxX < g_uiGroupIdx[ width - 1 ])
1602	{
1603	#if LAST_CTX_REDUCTION
1604	if ( eTType )
1605	{
1606	m_pcBinIf->encodeBin( 0, *( pCtxX + (uiCtxLast>>g_aucConvertToBit[ width ]) ) );
1607	}
1608	else
1609	{
1610	#endif
1611	m_pcBinIf->encodeBin( 0, *( pCtxX + puiCtxIdxX[ uiCtxLast ] ) );
1612	#if LAST_CTX_REDUCTION
1613	}
1614	#endif
1615	}
1616
1617	// posY
1618	#if LAST_CTX_REDUCTION
1619	Int heightCtx = eTType? 4: height;
1620	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ heightCtx ] ( g_aucConvertToBit[ heightCtx ] + 3 ) );
1621	#else
1622	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ height ] ( g_aucConvertToBit[ height ] + 3 ) );
1623	#endif
1624	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxY; uiCtxLast++ )
1625	{
1626	#if LAST_CTX_REDUCTION
1627	if (eTType)
1628	{
1629	m_pcBinIf->encodeBin( 1, *( pCtxY + (uiCtxLast>>g_aucConvertToBit[ height ])));
1630	}
1631	else
1632	{
1633	#endif
1634	m_pcBinIf->encodeBin( 1, *( pCtxY + puiCtxIdxY[ uiCtxLast ] ) );
1635	#if LAST_CTX_REDUCTION
1636	}
1637	#endif
1638	}
1639	if( uiGroupIdxY < g_uiGroupIdx[ height - 1 ])
1640	{
1641	#if LAST_CTX_REDUCTION
1642	if (eTType)
1643	{
1644	m_pcBinIf->encodeBin( 0, *( pCtxY + (uiCtxLast>>g_aucConvertToBit[ height ]) ) );
1645	}
1646	else
1647	{
1648	#endif
1649	m_pcBinIf->encodeBin( 0, *( pCtxY + puiCtxIdxY[ uiCtxLast ] ) );
1650	#if LAST_CTX_REDUCTION
1651	}
1652	#endif
1653	}
1654	if ( uiGroupIdxX > 3 )
1655	{
1656	UInt uiCount = ( uiGroupIdxX - 2 ) >> 1;
1657	uiPosX = uiPosX - g_uiMinInGroup[ uiGroupIdxX ];
1658	for (Int i = uiCount - 1 ; i >= 0; i-- )
1659	{
1660	m_pcBinIf->encodeBinEP( ( uiPosX >> i ) & 1 );
1661	}
1662	}
1663	if ( uiGroupIdxY > 3 )
1664	{
1665	UInt uiCount = ( uiGroupIdxY - 2 ) >> 1;
1666	uiPosY = uiPosY - g_uiMinInGroup[ uiGroupIdxY ];
1667	for ( Int i = uiCount - 1 ; i >= 0; i-- )
1668	{
1669	m_pcBinIf->encodeBinEP( ( uiPosY >> i ) & 1 );
1670	}
1671	}
1672	}
1673
1674	Void TEncSbac::codeCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType )
1675	{
1676	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1677	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1678	DTRACE_CABAC_V( eTType )
1679	DTRACE_CABAC_T( "\twidth=" )
1680	DTRACE_CABAC_V( uiWidth )
1681	DTRACE_CABAC_T( "\theight=" )
1682	DTRACE_CABAC_V( uiHeight )
1683	DTRACE_CABAC_T( "\tdepth=" )
1684	DTRACE_CABAC_V( uiDepth )
1685	DTRACE_CABAC_T( "\tabspartidx=" )
1686	DTRACE_CABAC_V( uiAbsPartIdx )
1687	DTRACE_CABAC_T( "\ttoCU-X=" )
1688	DTRACE_CABAC_V( pcCU->getCUPelX() )
1689	DTRACE_CABAC_T( "\ttoCU-Y=" )
1690	DTRACE_CABAC_V( pcCU->getCUPelY() )
1691	DTRACE_CABAC_T( "\tCU-addr=" )
1692	DTRACE_CABAC_V( pcCU->getAddr() )
1693	DTRACE_CABAC_T( "\tinCU-X=" )
1694	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1695	DTRACE_CABAC_T( "\tinCU-Y=" )
1696	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1697	DTRACE_CABAC_T( "\tpredmode=" )
1698	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1699	DTRACE_CABAC_T( "\n" )
1700
1701	if( uiWidth > m_pcSlice->getSPS()->getMaxTrSize() )
1702	{
1703	uiWidth = m_pcSlice->getSPS()->getMaxTrSize();
1704	uiHeight = m_pcSlice->getSPS()->getMaxTrSize();
1705	}
1706
1707	UInt uiNumSig = 0;
1708
1709	// compute number of significant coefficients
1710	uiNumSig = TEncEntropy::countNonZeroCoeffs(pcCoef, uiWidth * uiHeight);
1711
1712	if ( uiNumSig == 0 )
1713	return;
1714
1715	eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA );
1716
1717	//----- encode significance map -----
1718	const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2;
1719	UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx));
1720	if (uiScanIdx == SCAN_ZIGZAG)
1721	{
1722	// Map zigzag to diagonal scan
1723	uiScanIdx = SCAN_DIAG;
1724	}
1725	Int blockType = uiLog2BlockSize;
1726	if (uiWidth != uiHeight)
1727	{
1728	uiScanIdx = SCAN_DIAG;
1729	blockType = 4;
1730	}
1731
1732	const UInt * scan;
1733	if (uiWidth == uiHeight)
1734	{
1735	scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize - 1 ];
1736	}
1737	else
1738	{
1739	scan = g_sigScanNSQT[ uiLog2BlockSize - 2 ];
1740	}
1741
1742	#if MULTIBITS_DATA_HIDING
1743	UInt const tsig = pcCU->getSlice()->getPPS()->getTSIG();
1744	#if LOSSLESS_CODING
1745	Bool beValid;
1746	if (pcCU->isLosslessCoded(uiAbsPartIdx))
1747	{
1748	beValid = false;
1749	}
1750	else
1751	{
1752	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1753	}
1754	#else
1755	Bool beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1756	#endif
1757	#endif
1758
1759	// Find position of last coefficient
1760	Int scanPosLast = -1;
1761	Int posLast;
1762
1763	const UInt * scanCG;
1764	if (uiWidth == uiHeight)
1765	{
1766	scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ];
1767	#if MULTILEVEL_SIGMAP_EXT
1768	if( uiLog2BlockSize == 3 )
1769	{
1770	scanCG = g_sigLastScan8x8[ uiScanIdx ];
1771	}
1772	else if( uiLog2BlockSize == 5 )
1773	{
1774	scanCG = g_sigLastScanCG32x32;
1775	}
1776	#endif
1777	}
1778	else
1779	{
1780	scanCG = g_sigCGScanNSQT[ uiLog2BlockSize - 2 ];
1781	}
1782	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1783	static const UInt uiShift = MLS_CG_SIZE >> 1;
1784	const UInt uiNumBlkSide = uiWidth >> uiShift;
1785
1786	#if !MULTILEVEL_SIGMAP_EXT
1787	if( blockType > 3 )
1788	{
1789	#endif
1790	::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1791
1792	do
1793	{
1794	posLast = scan[ ++scanPosLast ];
1795
1796	// get L1 sig map
1797	UInt uiPosY = posLast >> uiLog2BlockSize;
1798	UInt uiPosX = posLast - ( uiPosY << uiLog2BlockSize );
1799	UInt uiBlkIdx = uiNumBlkSide * (uiPosY >> uiShift) + (uiPosX >> uiShift);
1800	#if MULTILEVEL_SIGMAP_EXT
1801	if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR \|\| uiScanIdx == SCAN_VER) )
1802	{
1803	if( uiScanIdx == SCAN_HOR )
1804	{
1805	uiBlkIdx = uiPosY >> 1;
1806	}
1807	else if( uiScanIdx == SCAN_VER )
1808	{
1809	uiBlkIdx = uiPosX >> 1;
1810	}
1811	}
1812	#endif
1813	if( pcCoef[ posLast ] )
1814	{
1815	uiSigCoeffGroupFlag[ uiBlkIdx ] = 1;
1816	}
1817
1818	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1819	}
1820	while ( uiNumSig > 0 );
1821	#if !MULTILEVEL_SIGMAP_EXT
1822	}
1823	else
1824	{
1825
1826	do
1827	{
1828	posLast = scan[ ++scanPosLast ];
1829	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1830	}
1831	while ( uiNumSig > 0 );
1832
1833	}
1834	#endif
1835
1836	// Code position of last coefficient
1837	Int posLastY = posLast >> uiLog2BlockSize;
1838	Int posLastX = posLast - ( posLastY << uiLog2BlockSize );
1839	codeLastSignificantXY(posLastX, posLastY, uiWidth, uiHeight, eTType, uiScanIdx);
1840
1841	//===== code significance flag =====
1842	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType );
1843	ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA;
1844
1845
1846	const Int iLastScanSet = scanPosLast >> LOG2_SCAN_SET_SIZE;
1847	UInt uiNumOne = 0;
1848	UInt uiGoRiceParam = 0;
1849	Int iScanPosSig = scanPosLast;
1850
1851	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1852	{
1853	Int numNonZero = 0;
1854	Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE;
1855	uiGoRiceParam = 0;
1856	Int absCoeff[16];
1857	UInt coeffSigns = 0;
1858
1859	#if MULTIBITS_DATA_HIDING
1860	Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE;
1861	#endif
1862
1863	if( iScanPosSig == scanPosLast )
1864	{
1865	absCoeff[ 0 ] = abs( pcCoef[ posLast ] );
1866	coeffSigns = ( pcCoef[ posLast ] < 0 );
1867	numNonZero = 1;
1868	#if MULTIBITS_DATA_HIDING
1869	lastNZPosInCG = iScanPosSig;
1870	firstNZPosInCG = iScanPosSig;
1871	#endif
1872	iScanPosSig--;
1873	}
1874
1875	#if !MULTILEVEL_SIGMAP_EXT
1876	if( blockType > 3 )
1877	{
1878	#endif
1879	// encode significant_coeffgroup_flag
1880	Int iCGBlkPos = scanCG[ iSubSet ];
1881	Int iCGPosY = iCGBlkPos / uiNumBlkSide;
1882	Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide);
1883	#if MULTILEVEL_SIGMAP_EXT
1884	if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR \|\| uiScanIdx == SCAN_VER) )
1885	{
1886	iCGPosY = (uiScanIdx == SCAN_HOR ? iCGBlkPos : 0);
1887	iCGPosX = (uiScanIdx == SCAN_VER ? iCGBlkPos : 0);
1888	}
1889	#endif
1890	#if !REMOVE_INFER_SIGGRP
1891	Bool bInferredCGFlag = false;
1892	#endif
1893	#if REMOVE_INFER_SIGGRP
1894	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1895	#else
1896	if( iSubSet == iLastScanSet )
1897	#endif
1898	{
1899	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1900	}
1901	else
1902	{
1903	#if !REMOVE_INFER_SIGGRP
1904	#if MULTILEVEL_SIGMAP_EXT
1905	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight ) && ( iSubSet ) )
1906	#else
1907	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight ) && ( iSubSet ) )
1908	#endif
1909	{
1910	#endif
1911	UInt uiSigCoeffGroup = (uiSigCoeffGroupFlag[ iCGBlkPos ] != 0);
1912	#if MULTILEVEL_SIGMAP_EXT
1913	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight );
1914	#else
1915	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1916	#endif
1917	m_pcBinIf->encodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1918	#if !REMOVE_INFER_SIGGRP
1919	}
1920	else
1921	{
1922	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1923	bInferredCGFlag = true;
1924	}
1925	#endif
1926	}
1927
1928	// encode significant_coeff_flag
1929	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1930	{
1931	UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig;
1932	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1933	{
1934	uiBlkPos = scan[ iScanPosSig ];
1935	uiPosY = uiBlkPos >> uiLog2BlockSize;
1936	uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1937	uiSig = (pcCoef[ uiBlkPos ] != 0);
1938	#if REMOVE_INFER_SIGGRP
1939	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1940	#else
1941	if( iScanPosSig > iSubPos \|\| bInferredCGFlag \|\| numNonZero )
1942	#endif
1943	{
1944	uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1945	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1946	}
1947	if( uiSig )
1948	{
1949	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1950	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1951	numNonZero++;
1952	#if MULTIBITS_DATA_HIDING
1953	if( lastNZPosInCG == -1 )
1954	{
1955	lastNZPosInCG = iScanPosSig;
1956	}
1957	firstNZPosInCG = iScanPosSig;
1958	#endif
1959	}
1960	}
1961	}
1962	else
1963	{
1964	iScanPosSig = iSubPos - 1;
1965	}
1966	#if !MULTILEVEL_SIGMAP_EXT
1967	}
1968	else
1969	{
1970
1971	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1972	{
1973	UInt uiBlkPos = scan[ iScanPosSig ];
1974	UInt uiPosY = uiBlkPos >> uiLog2BlockSize;
1975	UInt uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1976	UInt uiSig = 0;
1977	if( pcCoef[ uiBlkPos ] != 0 )
1978	{
1979	uiSig = 1;
1980	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1981	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1982	numNonZero++;
1983	#if MULTIBITS_DATA_HIDING
1984	if( lastNZPosInCG == -1 )
1985	{
1986	lastNZPosInCG = iScanPosSig;
1987	}
1988	firstNZPosInCG = iScanPosSig;
1989	#endif
1990	}
1991	UInt uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1992	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1993	}
1994
1995	}
1996	#endif
1997
1998	if( numNonZero > 0 )
1999	{
2000	#if MULTIBITS_DATA_HIDING
2001	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= (Int)tsig );
2002	#endif // MULTIBITS_DATA_HIDING
2003
2004	UInt c1 = 1;
2005	#if !RESTRICT_GR1GR2FLAG_NUMBER
2006	UInt c2 = 0;
2007	#endif
2008	#if LEVEL_CTX_LUMA_RED
2009	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0;
2010	#else
2011	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 3 : 0;
2012	#endif
2013
2014	if( uiNumOne > 0 )
2015	{
2016	uiCtxSet++;
2017	#if !LEVEL_CTX_LUMA_RED
2018	if( uiNumOne > 3 && eTType==TEXT_LUMA)
2019	{
2020	uiCtxSet++;
2021	}
2022	#endif
2023	}
2024
2025	uiNumOne >>= 1;
2026	ContextModel baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet;
2027
2028	#if RESTRICT_GR1GR2FLAG_NUMBER
2029	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
2030	Int firstC2FlagIdx = -1;
2031	for( Int idx = 0; idx < numC1Flag; idx++ )
2032	#else
2033	for ( Int idx = 0; idx < numNonZero; idx++ )
2034	#endif
2035	{
2036	UInt uiSymbol = absCoeff[ idx ] > 1;
2037	m_pcBinIf->encodeBin( uiSymbol, baseCtxMod[c1] );
2038	if( uiSymbol )
2039	{
2040	c1 = 0;
2041
2042	#if RESTRICT_GR1GR2FLAG_NUMBER
2043	if (firstC2FlagIdx == -1)
2044	{
2045	firstC2FlagIdx = idx;
2046	}
2047	#endif
2048	}
2049	else if( (c1 < 3) && (c1 > 0) )
2050	{
2051	c1++;
2052	}
2053	}
2054
2055	if (c1 == 0)
2056	{
2057
2058	#if RESTRICT_GR1GR2FLAG_NUMBER
2059	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet;
2060	if ( firstC2FlagIdx != -1)
2061	{
2062	UInt symbol = absCoeff[ firstC2FlagIdx ] > 2;
2063	m_pcBinIf->encodeBin( symbol, baseCtxMod[0] );
2064	}
2065	#else
2066	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + 3 * uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + 3 * uiCtxSet;
2067	for ( Int idx = 0; idx < numNonZero; idx++ )
2068	{
2069	if( absCoeff[ idx ] > 1 )
2070	{
2071	UInt symbol = absCoeff[ idx ] > 2;
2072	m_pcBinIf->encodeBin( symbol, baseCtxMod[c2] );
2073	c2 += (c2 < 2);
2074	uiNumOne++;
2075	}
2076	}
2077	#endif
2078	}
2079
2080	#if MULTIBITS_DATA_HIDING
2081	if( beValid && signHidden )
2082	{
2083	m_pcBinIf->encodeBinsEP( (coeffSigns >> 1), numNonZero-1 );
2084	}
2085	else
2086	{
2087	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
2088	}
2089	#else
2090	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
2091	#endif
2092
2093	#if RESTRICT_GR1GR2FLAG_NUMBER
2094	Int iFirstCoeff2 = 1;
2095	if (c1 == 0 \|\| numNonZero > C1FLAG_NUMBER)
2096	#else
2097	if (c1 == 0)
2098	#endif
2099	{
2100	for ( Int idx = 0; idx < numNonZero; idx++ )
2101	{
2102	#if RESTRICT_GR1GR2FLAG_NUMBER
2103	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1;
2104
2105	if( absCoeff[ idx ] >= baseLevel)
2106	{
2107	xWriteGoRiceExGolomb( absCoeff[ idx ] - baseLevel, uiGoRiceParam );
2108	}
2109	if(absCoeff[ idx ] >= 2)
2110	{
2111	iFirstCoeff2 = 0;
2112	uiNumOne++;
2113	}
2114	#else
2115	if ( absCoeff[ idx ] > 2 )
2116	{
2117	xWriteGoRiceExGolomb( absCoeff[ idx ] - 3, uiGoRiceParam );
2118	}
2119	#endif
2120	}
2121	}
2122	}
2123	else
2124	{
2125	uiNumOne >>= 1;
2126	}
2127	}
2128
2129	return;
2130	}
2131
2132	Void TEncSbac::codeAlfFlag ( UInt uiCode )
2133	{
2134	UInt uiSymbol = ( ( uiCode == 0 ) ? 0 : 1 );
2135	m_pcBinIf->encodeBin( uiSymbol, m_cALFFlagSCModel.get( 0, 0, 0 ) );
2136	}
2137
2138	Void TEncSbac::codeAlfCtrlFlag( UInt uiSymbol )
2139	{
2140	m_pcBinIf->encodeBin( uiSymbol, m_cCUAlfCtrlFlagSCModel.get( 0, 0, 0) );
2141	}
2142
2143	Void TEncSbac::codeAlfUvlc ( UInt uiCode )
2144	{
2145	Int i;
2146
2147	if ( uiCode == 0 )
2148	{
2149	m_pcBinIf->encodeBin( 0, m_cALFUvlcSCModel.get( 0, 0, 0 ) );
2150	}
2151	else
2152	{
2153	m_pcBinIf->encodeBin( 1, m_cALFUvlcSCModel.get( 0, 0, 0 ) );
2154	for ( i=0; i<uiCode-1; i++ )
2155	{
2156	m_pcBinIf->encodeBin( 1, m_cALFUvlcSCModel.get( 0, 0, 1 ) );
2157	}
2158	m_pcBinIf->encodeBin( 0, m_cALFUvlcSCModel.get( 0, 0, 1 ) );
2159	}
2160	}
2161
2162	Void TEncSbac::codeAlfSvlc ( Int iCode )
2163	{
2164	Int i;
2165
2166	if ( iCode == 0 )
2167	{
2168	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 0 ) );
2169	}
2170	else
2171	{
2172	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 0 ) );
2173
2174	// write sign
2175	if ( iCode > 0 )
2176	{
2177	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 1 ) );
2178	}
2179	else
2180	{
2181	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 1 ) );
2182	iCode = -iCode;
2183	}
2184
2185	// write magnitude
2186	for ( i=0; i<iCode-1; i++ )
2187	{
2188	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 2 ) );
2189	}
2190	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 2 ) );
2191	}
2192	}
2193
2194	Void TEncSbac::codeSaoFlag ( UInt uiCode )
2195	{
2196	UInt uiSymbol = ( ( uiCode == 0 ) ? 0 : 1 );
2197	m_pcBinIf->encodeBin( uiSymbol, m_cSaoFlagSCModel.get( 0, 0, 0 ) );
2198	}
2199
2200	Void TEncSbac::codeSaoUvlc ( UInt uiCode )
2201	{
2202	Int i;
2203
2204	if ( uiCode == 0 )
2205	{
2206	m_pcBinIf->encodeBin( 0, m_cSaoUvlcSCModel.get( 0, 0, 0 ) );
2207	}
2208	else
2209	{
2210	m_pcBinIf->encodeBin( 1, m_cSaoUvlcSCModel.get( 0, 0, 0 ) );
2211	for ( i=0; i<uiCode-1; i++ )
2212	{
2213	m_pcBinIf->encodeBin( 1, m_cSaoUvlcSCModel.get( 0, 0, 1 ) );
2214	}
2215	m_pcBinIf->encodeBin( 0, m_cSaoUvlcSCModel.get( 0, 0, 1 ) );
2216	}
2217	}
2218
2219	Void TEncSbac::codeSaoSvlc ( Int iCode )
2220	{
2221	Int i;
2222
2223	if ( iCode == 0 )
2224	{
2225	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 0 ) );
2226	}
2227	else
2228	{
2229	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 0 ) );
2230
2231	// write sign
2232	if ( iCode > 0 )
2233	{
2234	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 1 ) );
2235	}
2236	else
2237	{
2238	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 1 ) );
2239	iCode = -iCode;
2240	}
2241
2242	// write magnitude
2243	for ( i=0; i<iCode-1; i++ )
2244	{
2245	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 2 ) );
2246	}
2247	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 2 ) );
2248	}
2249	}
2250	#if SAO_UNIT_INTERLEAVING
2251	/** Code SAO band position
2252	* \param uiCode
2253	*/
2254	Void TEncSbac::codeSaoUflc ( UInt uiCode )
2255	{
2256	for (Int i=0;i<5;i++)
2257	{
2258	m_pcBinIf->encodeBinEP ( (uiCode>>i) &0x01 );
2259	}
2260	}
2261	/** Code SAO merge left flag
2262	* \param uiCode
2263	* \param uiCompIdx
2264	*/
2265	Void TEncSbac::codeSaoMergeLeft ( UInt uiCode, UInt uiCompIdx )
2266	{
2267	if (uiCode == 0)
2268	{
2269	m_pcBinIf->encodeBin(0, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ));
2270	}
2271	else
2272	{
2273	m_pcBinIf->encodeBin(1, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ));
2274	}
2275	}
2276	/** Code SAO merge up flag
2277	* \param uiCode
2278	*/
2279	Void TEncSbac::codeSaoMergeUp ( UInt uiCode)
2280	{
2281	if (uiCode == 0)
2282	{
2283	m_pcBinIf->encodeBin(0, m_cSaoMergeUpSCModel.get( 0, 0, 0 ));
2284	}
2285	else
2286	{
2287	m_pcBinIf->encodeBin(1, m_cSaoMergeUpSCModel.get( 0, 0, 0 ));
2288	}
2289	}
2290	/** Code SAO type index
2291	* \param uiCode
2292	*/
2293	Void TEncSbac::codeSaoTypeIdx ( UInt uiCode)
2294	{
2295	Int i;
2296	if ( uiCode == 0 )
2297	{
2298	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2299	}
2300	else
2301	{
2302	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2303	for ( i=0; i<uiCode-1; i++ )
2304	{
2305	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) );
2306	}
2307	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) );
2308	}
2309	}
2310	#endif
2311	/*!
2312	****************************************************************************
2313	* \brief
2314	* estimate bit cost for CBP, significant map and significant coefficients
2315	****************************************************************************
2316	*/
2317	Void TEncSbac::estBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2318	{
2319	estCBFBit( pcEstBitsSbac, 0, eTType );
2320
2321	estSignificantCoeffGroupMapBit( pcEstBitsSbac, 0, eTType );
2322
2323	// encode significance map
2324	estSignificantMapBit( pcEstBitsSbac, width, height, eTType );
2325
2326	// encode significant coefficients
2327	estSignificantCoefficientsBit( pcEstBitsSbac, 0, eTType );
2328	}
2329
2330	/*!
2331	****************************************************************************
2332	* \brief
2333	* estimate bit cost for each CBP bit
2334	****************************************************************************
2335	*/
2336	Void TEncSbac::estCBFBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2337	{
2338	ContextModel *pCtx = m_cCUQtCbfSCModel.get( 0 );
2339
2340	for( UInt uiCtxInc = 0; uiCtxInc < 3*NUM_QT_CBF_CTX; uiCtxInc++ )
2341	{
2342	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2343	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2344	}
2345
2346	pCtx = m_cCUQtRootCbfSCModel.get( 0 );
2347
2348	for( UInt uiCtxInc = 0; uiCtxInc < 4; uiCtxInc++ )
2349	{
2350	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2351	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2352	}
2353	}
2354
2355
2356	/*!
2357	****************************************************************************
2358	* \brief
2359	* estimate SAMBAC bit cost for significant coefficient group map
2360	****************************************************************************
2361	*/
2362	Void TEncSbac::estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2363	{
2364	Int firstCtx = 0, numCtx = NUM_SIG_CG_FLAG_CTX;
2365
2366	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2367	{
2368	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2369	{
2370	pcEstBitsSbac->significantCoeffGroupBits[ ctxIdx ][ uiBin ] = m_cCUSigCoeffGroupSCModel.get( 0, eTType, ctxIdx ).getEntropyBits( uiBin );
2371	}
2372	}
2373	}
2374
2375
2376	/*!
2377	****************************************************************************
2378	* \brief
2379	* estimate SAMBAC bit cost for significant coefficient map
2380	****************************************************************************
2381	*/
2382	Void TEncSbac::estSignificantMapBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2383	{
2384	Int firstCtx = 0, numCtx = (eTType == TEXT_LUMA) ? 9 : 6;
2385	if (std::max(width, height) >= 16)
2386	{
2387	firstCtx = (eTType == TEXT_LUMA) ? 20 : 17;
2388	numCtx = (eTType == TEXT_LUMA) ? 7 : 4;
2389	}
2390	else if (width == 8)
2391	{
2392	firstCtx = (eTType == TEXT_LUMA) ? 9 : 6;
2393	numCtx = 11;
2394	}
2395
2396	if (eTType == TEXT_LUMA )
2397	{
2398	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2399	{
2400	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2401	{
2402	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, ctxIdx ).getEntropyBits( uiBin );
2403	}
2404	}
2405	}
2406	else
2407	{
2408	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2409	{
2410	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2411	{
2412	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + ctxIdx ).getEntropyBits( uiBin );
2413	}
2414	}
2415	}
2416	Int iBitsX = 0, iBitsY = 0;
2417	const UInt *puiCtxIdx;
2418	Int ctx;
2419	#if LAST_CTX_REDUCTION
2420	Int widthCtx = eTType? 4 : width;
2421	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ widthCtx ]*(g_aucConvertToBit[ widthCtx ]+3));
2422	#else
2423	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ width ]*(g_aucConvertToBit[ width ]+3));
2424	#endif
2425	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
2426	for (ctx = 0; ctx < g_uiGroupIdx[ width - 1 ]; ctx++)
2427	{
2428	Int ctxOffset = puiCtxIdx[ ctx ];
2429	#if LAST_CTX_REDUCTION
2430	if (eTType)
2431	{
2432	Int ctxOffsetC = ctx>>g_aucConvertToBit[ width ];
2433	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffsetC ].getEntropyBits( 0 );
2434	iBitsX += pCtxX[ ctxOffsetC].getEntropyBits( 1 );
2435	}
2436	else
2437	{
2438	#endif
2439	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffset ].getEntropyBits( 0 );
2440	iBitsX += pCtxX[ ctxOffset ].getEntropyBits( 1 );
2441	#if LAST_CTX_REDUCTION
2442	}
2443	#endif
2444	}
2445	pcEstBitsSbac->lastXBits[ctx] = iBitsX;
2446
2447	#if LAST_CTX_REDUCTION
2448	Int heightCtx = eTType? 4 : height;
2449	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ heightCtx ]*(g_aucConvertToBit[ heightCtx ]+3));
2450	#else
2451	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ height ]*(g_aucConvertToBit[ height ]+3));
2452	#endif
2453	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
2454	for (ctx = 0; ctx < g_uiGroupIdx[ height - 1 ]; ctx++)
2455	{
2456	Int ctxOffset = puiCtxIdx[ ctx ];
2457	#if LAST_CTX_REDUCTION
2458	if (eTType)
2459	{
2460	Int ctxOffsetC = ctx>>g_aucConvertToBit[ height ];
2461	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffsetC ].getEntropyBits( 0 );
2462	iBitsY += pCtxY[ctxOffsetC].getEntropyBits( 1 );
2463	}
2464	else
2465	{
2466	#endif
2467	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffset ].getEntropyBits( 0 );
2468	iBitsY += pCtxY[ ctxOffset ].getEntropyBits( 1 );
2469	#if LAST_CTX_REDUCTION
2470	}
2471	#endif
2472	}
2473	pcEstBitsSbac->lastYBits[ctx] = iBitsY;
2474	}
2475
2476	/*!
2477	****************************************************************************
2478	* \brief
2479	* estimate bit cost of significant coefficient
2480	****************************************************************************
2481	*/
2482	Void TEncSbac::estSignificantCoefficientsBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2483	{
2484	if (eTType==TEXT_LUMA)
2485	{
2486	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0);
2487	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0);
2488
2489	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_LUMA; ctxIdx++)
2490	{
2491	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2492	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2493	}
2494
2495	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_LUMA; ctxIdx++)
2496	{
2497	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2498	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2499	}
2500	}
2501	else
2502	{
2503	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0) + NUM_ONE_FLAG_CTX_LUMA;
2504	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0) + NUM_ABS_FLAG_CTX_LUMA;
2505
2506	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_CHROMA; ctxIdx++)
2507	{
2508	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2509	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2510	}
2511
2512	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_CHROMA; ctxIdx++)
2513	{
2514	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2515	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2516	}
2517	}
2518	}
2519
2520	/**
2521	- Initialize our context information from the nominated source.
2522	.
2523	\param pSrc From where to copy context information.
2524	*/
2525	Void TEncSbac::xCopyContextsFrom( TEncSbac* pSrc )
2526	{
2527	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2528	}
2529
2530	Void TEncSbac::loadContexts ( TEncSbac* pScr)
2531	{
2532	this->xCopyContextsFrom(pScr);
2533	}
2534
2535	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX \|\| (LGE_EDGE_INTRA_A0070 && LGE_EDGE_INTRA_DELTA_DC)
2536	Void TEncSbac::xWriteExGolombLevel( UInt uiSymbol, ContextModel& rcSCModel )
2537	{
2538	if( uiSymbol )
2539	{
2540	m_pcBinIf->encodeBin( 1, rcSCModel );
2541	UInt uiCount = 0;
2542	Bool bNoExGo = (uiSymbol < 13);
2543
2544	while( --uiSymbol && ++uiCount < 13 )
2545	{
2546	m_pcBinIf->encodeBin( 1, rcSCModel );
2547	}
2548	if( bNoExGo )
2549	{
2550	m_pcBinIf->encodeBin( 0, rcSCModel );
2551	}
2552	else
2553	{
2554	xWriteEpExGolomb( uiSymbol, 0 );
2555	}
2556	}
2557	else
2558	{
2559	m_pcBinIf->encodeBin( 0, rcSCModel );
2560	}
2561
2562	return;
2563	}
2564	#endif
2565	#if HHI_DMM_WEDGE_INTRA
2566	Void TEncSbac::xCodeWedgeFullInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2567	{
2568	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2569	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2570
2571	UInt uiTabIdx = pcCU->getWedgeFullTabIdx( uiAbsPartIdx );
2572
2573	for ( Int i = 0; i < iBits; i++ )
2574	{
2575	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmmDataSCModel.get(0, 0, 0) );
2576	}
2577	}
2578
2579	Void TEncSbac::xCodeWedgeFullDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2580	{
2581	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2582	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2583
2584	UInt uiTabIdx = pcCU->getWedgeFullTabIdx( uiAbsPartIdx );
2585
2586	for ( Int i = 0; i < iBits; i++ )
2587	{
2588	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmmDataSCModel.get(0, 0, 0) );
2589	}
2590
2591	Int iDeltaDC1 = pcCU->getWedgeFullDeltaDC1( uiAbsPartIdx );
2592	Int iDeltaDC2 = pcCU->getWedgeFullDeltaDC2( uiAbsPartIdx );
2593
2594	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2595	if ( iDeltaDC1 != 0 )
2596	{
2597	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2598	m_pcBinIf->encodeBinEP( uiSign );
2599	}
2600	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2601	if ( iDeltaDC2 != 0 )
2602	{
2603	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2604	m_pcBinIf->encodeBinEP( uiSign );
2605	}
2606	}
2607
2608	Void TEncSbac::xCodeWedgePredDirInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2609	{
2610	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2611	{
2612	Int iDeltaEnd = pcCU->getWedgePredDirDeltaEnd( uiAbsPartIdx );
2613	m_pcBinIf->encodeBin( (iDeltaEnd!=0), m_cDmmDataSCModel.get(0, 0, 2) );
2614
2615	if( iDeltaEnd != 0 )
2616	{
2617	UInt uiAbsValMinus1 = abs(iDeltaEnd)-1;
2618	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x01), m_cDmmDataSCModel.get(0, 0, 2) );
2619	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x02) >> 1, m_cDmmDataSCModel.get(0, 0, 2) );
2620
2621	UInt uiSign = iDeltaEnd > 0 ? 0 : 1;
2622	m_pcBinIf->encodeBinEP( uiSign );
2623	}
2624	}
2625	}
2626
2627	Void TEncSbac::xCodeWedgePredDirDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2628	{
2629	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2630	{
2631	Int iDeltaEnd = pcCU->getWedgePredDirDeltaEnd( uiAbsPartIdx );
2632	m_pcBinIf->encodeBin( (iDeltaEnd!=0), m_cDmmDataSCModel.get(0, 0, 2) );
2633
2634	if( iDeltaEnd != 0 )
2635	{
2636	UInt uiAbsValMinus1 = abs(iDeltaEnd)-1;
2637	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x01), m_cDmmDataSCModel.get(0, 0, 2) );
2638	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x02) >> 1, m_cDmmDataSCModel.get(0, 0, 2) );
2639
2640	UInt uiSign = iDeltaEnd > 0 ? 0 : 1;
2641	m_pcBinIf->encodeBinEP( uiSign );
2642	}
2643	}
2644
2645	Int iDeltaDC1 = pcCU->getWedgePredDirDeltaDC1( uiAbsPartIdx );
2646	Int iDeltaDC2 = pcCU->getWedgePredDirDeltaDC2( uiAbsPartIdx );
2647
2648	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2649	if ( iDeltaDC1 != 0 )
2650	{
2651	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2652	m_pcBinIf->encodeBinEP( uiSign );
2653	}
2654	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2655	if ( iDeltaDC2 != 0 )
2656	{
2657	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2658	m_pcBinIf->encodeBinEP( uiSign );
2659	}
2660	}
2661	#endif
2662	#if HHI_DMM_PRED_TEX
2663	Void TEncSbac::xCodeWedgePredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2664	{
2665	Int iDeltaDC1 = pcCU->getWedgePredTexDeltaDC1( uiAbsPartIdx );
2666	Int iDeltaDC2 = pcCU->getWedgePredTexDeltaDC2( uiAbsPartIdx );
2667
2668	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2669	if ( iDeltaDC1 != 0 )
2670	{
2671	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2672	m_pcBinIf->encodeBinEP( uiSign );
2673	}
2674	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2675	if ( iDeltaDC2 != 0 )
2676	{
2677	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2678	m_pcBinIf->encodeBinEP( uiSign );
2679	}
2680	}
2681
2682	Void TEncSbac::xCodeContourPredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2683	{
2684	Int iDeltaDC1 = pcCU->getContourPredTexDeltaDC1( uiAbsPartIdx );
2685	Int iDeltaDC2 = pcCU->getContourPredTexDeltaDC2( uiAbsPartIdx );
2686
2687	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2688	if ( iDeltaDC1 != 0 )
2689	{
2690	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2691	m_pcBinIf->encodeBinEP( uiSign );
2692	}
2693	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2694	if ( iDeltaDC2 != 0 )
2695	{
2696	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2697	m_pcBinIf->encodeBinEP( uiSign );
2698	}
2699	}
2700	#endif
2701
2702	#if RWTH_SDC_DLT_B0036
2703	Void TEncSbac::codeSDCPredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
2704	{
2705	assert( pcCU->getSlice()->getSPS()->isDepth() );
2706	assert( pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N );
2707	assert( pcCU->getSDCFlag(uiAbsPartIdx) );
2708
2709	UInt uiPredMode = pcCU->getLumaIntraDir(uiAbsPartIdx);
2710	UInt uiCtx = 0;
2711
2712	UInt uiMPModeIdx = 0;
2713
2714	for(Int i=0; i<RWTH_SDC_NUM_PRED_MODES-1; i++)
2715	{
2716	UInt uiBit = (uiPredMode == g_auiSDCPredModes[uiMPModeIdx]) ? 1 : 0;
2717	m_pcBinIf->encodeBin( uiBit, m_cSDCPredModeSCModel.get( 0, i, uiCtx ) );
2718
2719	// if mode is most probable mode, we are done here
2720	if ( uiBit == 1 )
2721	break;
2722
2723	// else: get next most probable pred mode
2724	uiMPModeIdx = (uiMPModeIdx+1)%RWTH_SDC_NUM_PRED_MODES;
2725	}
2726
2727	#if HHI_DMM_WEDGE_INTRA
2728	if( uiPredMode == DMM_WEDGE_FULL_IDX ) { xCodeWedgeFullInfo ( pcCU, uiAbsPartIdx ); }
2729	if( uiPredMode == DMM_WEDGE_PREDDIR_IDX ) { xCodeWedgePredDirInfo ( pcCU, uiAbsPartIdx ); }
2730	#endif
2731
2732	AOF(uiPredMode == g_auiSDCPredModes[uiMPModeIdx]);
2733	}
2734
2735	Void TEncSbac::codeSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
2736	{
2737	// get context function is here
2738	UInt uiSymbol = pcCU->getSDCFlag( uiAbsPartIdx ) ? 1 : 0;
2739	UInt uiCtxSDCFlag = pcCU->getCtxSDCFlag( uiAbsPartIdx );
2740	m_pcBinIf->encodeBin( uiSymbol, m_cSDCFlagSCModel.get( 0, 0, uiCtxSDCFlag ) );
2741
2742	}
2743
2744	Void TEncSbac::codeSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiSegment )
2745	{
2746	assert( pcCU->getSlice()->getSPS()->isDepth() );
2747	assert( pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N );
2748	assert( pcCU->getSDCFlag(uiAbsPartIdx) );
2749	assert( uiSegment < 2 );
2750
2751	Pel segmentDCOffset = pcCU->getSDCSegmentDCOffset(uiSegment, uiAbsPartIdx);
2752
2753	UInt uiResidual = segmentDCOffset == 0 ? 0 : 1;
2754	UInt uiSign = segmentDCOffset < 0 ? 1 : 0;
2755	UInt uiAbsIdx = abs(segmentDCOffset);
2756	UInt uiBit = 0;
2757
2758	UInt uiMaxResidualBits = GetBitsPerDepthValue();
2759	assert( uiMaxResidualBits <= g_uiBitDepth );
2760
2761	// residual flag
2762	m_pcBinIf->encodeBin( uiResidual, m_cSDCResidualFlagSCModel.get( 0, uiSegment, 0 ) ); //TODO depthmap: more sophisticated context selection
2763
2764	if (uiResidual)
2765	{
2766	// encode sign bit of residual
2767	m_pcBinIf->encodeBin( uiSign, m_cSDCResidualSignFlagSCModel.get( 0, uiSegment, 0 ) ); //TODO depthmap: more sophisticated context selection
2768
2769	assert(uiAbsIdx < GetNumDepthValues());
2770
2771	// encode residual magnitude
2772	uiAbsIdx -= 1;
2773	for (Int i=0; i<uiMaxResidualBits; i++)
2774	{
2775	uiBit = (uiAbsIdx & (1<<i))>>i;
2776
2777	m_pcBinIf->encodeBin( uiBit, m_cSDCResidualSCModel.get( 0, uiSegment, i ) ); //TODO depthmap: more sophisticated context selection
2778	}
2779
2780	}
2781	}
2782	#endif
2783	//! \}

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source: 3DVCSoftware/branches/HTM-5.1-dev2-Mediatek/source/Lib/TLibEncoder/TEncSbac.cpp @ 852

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