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TEncSbac.cpp

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Last change on this file was 571, checked in by lg, 11 years ago
integration of JCT3V-E0156
Property svn:eol-style set to `native`
File size: 75.8 KB

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1	/* The copyright in this software is being made available under the BSD
2	* License, included below. This software may be subject to other third party
3	* and contributor rights, including patent rights, and no such rights are
4	* granted under this license.
5	*
6	* Copyright (c) 2010-2013, ITU/ISO/IEC
7	* All rights reserved.
8	*
9	* Redistribution and use in source and binary forms, with or without
10	* modification, are permitted provided that the following conditions are met:
11	*
12	* * Redistributions of source code must retain the above copyright notice,
13	* this list of conditions and the following disclaimer.
14	* * Redistributions in binary form must reproduce the above copyright notice,
15	* this list of conditions and the following disclaimer in the documentation
16	* and/or other materials provided with the distribution.
17	* * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
18	* be used to endorse or promote products derived from this software without
19	* specific prior written permission.
20	*
21	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
25	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31	* THE POSSIBILITY OF SUCH DAMAGE.
32	*/
33
34	/** \file TEncSbac.cpp
35	\brief SBAC encoder class
36	*/
37
38	#include "TEncTop.h"
39	#include "TEncSbac.h"
40
41	#include <map>
42	#include <algorithm>
43
44	//! \ingroup TLibEncoder
45	//! \{
46
47	// ====================================================================================================================
48	// Constructor / destructor / create / destroy
49	// ====================================================================================================================
50
51	TEncSbac::TEncSbac()
52	// new structure here
53	: m_pcBitIf ( NULL )
54	, m_pcSlice ( NULL )
55	, m_pcBinIf ( NULL )
56	, m_uiCoeffCost ( 0 )
57	, m_numContextModels ( 0 )
58	, m_cCUSplitFlagSCModel ( 1, 1, NUM_SPLIT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels )
59	, m_cCUSkipFlagSCModel ( 1, 1, NUM_SKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
60	, m_cCUMergeFlagExtSCModel ( 1, 1, NUM_MERGE_FLAG_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
61	, m_cCUMergeIdxExtSCModel ( 1, 1, NUM_MERGE_IDX_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
62	#if H_3D_ARP
63	, m_cCUPUARPWSCModel ( 1, 1, NUM_ARPW_CTX , m_contextModels + m_numContextModels, m_numContextModels)
64	#endif
65	#if H_3D_IC
66	, m_cCUICFlagSCModel ( 1, 1, NUM_IC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
67	#endif
68	, m_cCUPartSizeSCModel ( 1, 1, NUM_PART_SIZE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
69	, m_cCUPredModeSCModel ( 1, 1, NUM_PRED_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
70	, m_cCUIntraPredSCModel ( 1, 1, NUM_ADI_CTX , m_contextModels + m_numContextModels, m_numContextModels)
71	, m_cCUChromaPredSCModel ( 1, 1, NUM_CHROMA_PRED_CTX , m_contextModels + m_numContextModels, m_numContextModels)
72	, m_cCUDeltaQpSCModel ( 1, 1, NUM_DELTA_QP_CTX , m_contextModels + m_numContextModels, m_numContextModels)
73	, m_cCUInterDirSCModel ( 1, 1, NUM_INTER_DIR_CTX , m_contextModels + m_numContextModels, m_numContextModels)
74	, m_cCURefPicSCModel ( 1, 1, NUM_REF_NO_CTX , m_contextModels + m_numContextModels, m_numContextModels)
75	, m_cCUMvdSCModel ( 1, 1, NUM_MV_RES_CTX , m_contextModels + m_numContextModels, m_numContextModels)
76	, m_cCUQtCbfSCModel ( 1, 2, NUM_QT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels)
77	, m_cCUTransSubdivFlagSCModel ( 1, 1, NUM_TRANS_SUBDIV_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
78	, m_cCUQtRootCbfSCModel ( 1, 1, NUM_QT_ROOT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels)
79	, m_cCUSigCoeffGroupSCModel ( 1, 2, NUM_SIG_CG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
80	, m_cCUSigSCModel ( 1, 1, NUM_SIG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
81	, m_cCuCtxLastX ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
82	, m_cCuCtxLastY ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
83	, m_cCUOneSCModel ( 1, 1, NUM_ONE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
84	, m_cCUAbsSCModel ( 1, 1, NUM_ABS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
85	, m_cMVPIdxSCModel ( 1, 1, NUM_MVP_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
86	, m_cCUAMPSCModel ( 1, 1, NUM_CU_AMP_CTX , m_contextModels + m_numContextModels, m_numContextModels)
87	, m_cSaoMergeSCModel ( 1, 1, NUM_SAO_MERGE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
88	, m_cSaoTypeIdxSCModel ( 1, 1, NUM_SAO_TYPE_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
89	, m_cTransformSkipSCModel ( 1, 2, NUM_TRANSFORMSKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
90	, m_CUTransquantBypassFlagSCModel( 1, 1, NUM_CU_TRANSQUANT_BYPASS_FLAG_CTX, m_contextModels + m_numContextModels, m_numContextModels)
91	#if H_3D_DIM
92	, m_cDepthIntraModeSCModel ( 1, 1, NUM_DEPTH_INTRA_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
93	, m_cDdcFlagSCModel ( 1, 1, NUM_DDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
94	, m_cDdcDataSCModel ( 1, 1, NUM_DDC_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
95	#if H_3D_DIM_DMM
96	, m_cDmm1DataSCModel ( 1, 1, NUM_DMM1_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
97	, m_cDmm2DataSCModel ( 1, 1, NUM_DMM2_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
98	, m_cDmm3DataSCModel ( 1, 1, NUM_DMM3_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
99	#endif
100	#if H_3D_DIM_RBC
101	, m_cRbcDataSCModel ( 1, 1, NUM_RBC_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
102	#endif
103	#if H_3D_DIM_SDC
104	, m_cSDCResidualFlagSCModel ( 1, 1, SDC_NUM_RESIDUAL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
105	, m_cSDCResidualSCModel ( 1, 1, SDC_NUM_RESIDUAL_CTX , m_contextModels + m_numContextModels, m_numContextModels)
106	#endif
107	#endif
108	#if LGE_INTER_SDC_E0156
109	, m_cInterSDCFlagSCModel ( 1, 1, NUM_INTER_SDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
110	, m_cInterSDCResidualSCModel ( 1, 1, NUM_INTER_SDC_RESIDUAL_CTX , m_contextModels + m_numContextModels, m_numContextModels)
111	, m_cInterSDCResidualSignFlagSCModel ( 1, 1, NUM_INTER_SDC_SIGN_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
112	#endif
113	{
114	assert( m_numContextModels <= MAX_NUM_CTX_MOD );
115	}
116
117	TEncSbac::~TEncSbac()
118	{
119	}
120
121	// ====================================================================================================================
122	// Public member functions
123	// ====================================================================================================================
124
125	Void TEncSbac::resetEntropy ()
126	{
127	Int iQp = m_pcSlice->getSliceQp();
128	SliceType eSliceType = m_pcSlice->getSliceType();
129
130	Int encCABACTableIdx = m_pcSlice->getPPS()->getEncCABACTableIdx();
131	if (!m_pcSlice->isIntra() && (encCABACTableIdx==B_SLICE \|\| encCABACTableIdx==P_SLICE) && m_pcSlice->getPPS()->getCabacInitPresentFlag())
132	{
133	eSliceType = (SliceType) encCABACTableIdx;
134	}
135
136	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
137
138	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
139	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
140	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
141	#if H_3D_ARP
142	m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW );
143	#endif
144	#if H_3D_IC
145	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
146	#endif
147	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
148	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
149	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
150	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
151	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
152	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
153	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
154	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
155	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
156	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
157	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
158	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
159	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
160	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
161	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
162	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
163	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
164	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
165	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
166	m_cSaoMergeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_FLAG );
167	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
168	m_cTransformSkipSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
169	m_CUTransquantBypassFlagSCModel.initBuffer( eSliceType, iQp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
170
171	#if H_3D_DIM
172	m_cDepthIntraModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DEPTH_INTRA_MODE );
173	m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG );
174	m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA );
175	#if H_3D_DIM_DMM
176	m_cDmm1DataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM1_DATA );
177	m_cDmm2DataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM2_DATA );
178	m_cDmm3DataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM3_DATA );
179	#endif
180	#if H_3D_DIM_RBC
181	m_cRbcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_RBC_DATA );
182	#endif
183	#if H_3D_DIM_SDC
184	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
185	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
186	#endif
187	#endif
188	#if LGE_INTER_SDC_E0156
189	m_cInterSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_FLAG );
190	m_cInterSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_RESIDUAL );
191	m_cInterSDCResidualSignFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_SIGN_FLAG );
192	#endif
193	// new structure
194	m_uiLastQp = iQp;
195
196	m_pcBinIf->start();
197
198	return;
199	}
200
201	/** The function does the following:
202	* If current slice type is P/B then it determines the distance of initialisation type 1 and 2 from the current CABAC states and
203	* stores the index of the closest table. This index is used for the next P/B slice when cabac_init_present_flag is true.
204	*/
205	Void TEncSbac::determineCabacInitIdx()
206	{
207	Int qp = m_pcSlice->getSliceQp();
208
209	if (!m_pcSlice->isIntra())
210	{
211	SliceType aSliceTypeChoices[] = {B_SLICE, P_SLICE};
212
213	UInt bestCost = MAX_UINT;
214	SliceType bestSliceType = aSliceTypeChoices[0];
215	for (UInt idx=0; idx<2; idx++)
216	{
217	UInt curCost = 0;
218	SliceType curSliceType = aSliceTypeChoices[idx];
219
220	curCost = m_cCUSplitFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SPLIT_FLAG );
221	curCost += m_cCUSkipFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SKIP_FLAG );
222	curCost += m_cCUMergeFlagExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT);
223	curCost += m_cCUMergeIdxExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_IDX_EXT);
224	#if H_3D_ARP
225	curCost += m_cCUPUARPWSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ARPW );
226	#endif
227	#if H_3D_IC
228	curCost += m_cCUICFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_IC_FLAG );
229	#endif
230	#if LGE_INTER_SDC_E0156
231	curCost += m_cInterSDCFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_SDC_FLAG );
232	curCost += m_cInterSDCResidualSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_SDC_RESIDUAL );
233	curCost += m_cInterSDCResidualSignFlagSCModel.calcCost( curSliceType, qp, (UChar*)INIT_INTER_SDC_SIGN_FLAG );
234	#endif
235	curCost += m_cCUPartSizeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PART_SIZE );
236	curCost += m_cCUAMPSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CU_AMP_POS );
237	curCost += m_cCUPredModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PRED_MODE );
238	curCost += m_cCUIntraPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTRA_PRED_MODE );
239	curCost += m_cCUChromaPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE );
240	curCost += m_cCUInterDirSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_DIR );
241	curCost += m_cCUMvdSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVD );
242	curCost += m_cCURefPicSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_REF_PIC );
243	curCost += m_cCUDeltaQpSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DQP );
244	curCost += m_cCUQtCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_CBF );
245	curCost += m_cCUQtRootCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_ROOT_CBF );
246	curCost += m_cCUSigCoeffGroupSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_CG_FLAG );
247	curCost += m_cCUSigSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_FLAG );
248	curCost += m_cCuCtxLastX.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
249	curCost += m_cCuCtxLastY.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
250	curCost += m_cCUOneSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ONE_FLAG );
251	curCost += m_cCUAbsSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ABS_FLAG );
252	curCost += m_cMVPIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVP_IDX );
253	curCost += m_cCUTransSubdivFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
254	curCost += m_cSaoMergeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_MERGE_FLAG );
255	curCost += m_cSaoTypeIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_TYPE_IDX );
256	curCost += m_cTransformSkipSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
257	curCost += m_CUTransquantBypassFlagSCModel.calcCost( curSliceType, qp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
258	#if H_3D_DIM
259	if( m_pcSlice->getVpsDepthModesFlag() )
260	{
261	curCost += m_cDepthIntraModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DEPTH_INTRA_MODE );
262	curCost += m_cDdcFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DDC_FLAG );
263	curCost += m_cDdcDataSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DDC_DATA );
264	#if H_3D_DIM_DMM
265	curCost += m_cDmm1DataSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DMM1_DATA );
266	curCost += m_cDmm2DataSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DMM2_DATA );
267	curCost += m_cDmm3DataSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DMM3_DATA );
268	#endif
269	#if H_3D_DIM_RBC
270	curCost += m_cRbcDataSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_RBC_DATA );
271	#endif
272	}
273	#endif
274	if (curCost < bestCost)
275	{
276	bestSliceType = curSliceType;
277	bestCost = curCost;
278	}
279	}
280	m_pcSlice->getPPS()->setEncCABACTableIdx( bestSliceType );
281	}
282	else
283	{
284	m_pcSlice->getPPS()->setEncCABACTableIdx( I_SLICE );
285	}
286	}
287
288
289	/** The function does the followng: Write out terminate bit. Flush CABAC. Intialize CABAC states. Start CABAC.
290	*/
291	Void TEncSbac::updateContextTables( SliceType eSliceType, Int iQp, Bool bExecuteFinish )
292	{
293	m_pcBinIf->encodeBinTrm(1);
294	if (bExecuteFinish) m_pcBinIf->finish();
295	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
296
297	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
298	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
299	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
300	#if H_3D_ARP
301	m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW );
302	#endif
303	#if H_3D_IC
304	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
305	#endif
306	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
307	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
308	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
309	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
310	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
311	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
312	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
313	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
314	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
315	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
316	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
317	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
318	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
319	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
320	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
321	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
322	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
323	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
324	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
325	m_cSaoMergeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_FLAG );
326	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
327	m_cTransformSkipSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
328	m_CUTransquantBypassFlagSCModel.initBuffer( eSliceType, iQp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
329
330	#if H_3D_DIM
331	m_cDepthIntraModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DEPTH_INTRA_MODE );
332	m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG );
333	m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA );
334	#if H_3D_DIM_DMM
335	m_cDmm1DataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM1_DATA );
336	m_cDmm2DataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM2_DATA );
337	m_cDmm3DataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM3_DATA );
338	#endif
339	#if H_3D_DIM_RBC
340	m_cRbcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_RBC_DATA );
341	#endif
342	#if H_3D_DIM_SDC
343	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
344	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
345	#endif
346	#endif
347	#if LGE_INTER_SDC_E0156
348	m_cInterSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_FLAG );
349	m_cInterSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_RESIDUAL );
350	m_cInterSDCResidualSignFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_SIGN_FLAG );
351	#endif
352	m_pcBinIf->start();
353	}
354
355	Void TEncSbac::codeVPS( TComVPS* pcVPS )
356	{
357	assert (0);
358	return;
359	}
360
361	#if H_3D
362	Void TEncSbac::codeSPS( TComSPS* pcSPS, Int viewIndex, Bool depthFlag )
363	#else
364	Void TEncSbac::codeSPS( TComSPS* pcSPS )
365	#endif
366	{
367	assert (0);
368	return;
369	}
370
371	Void TEncSbac::codePPS( TComPPS* pcPPS )
372	{
373	assert (0);
374	return;
375	}
376
377	Void TEncSbac::codeSliceHeader( TComSlice* pcSlice )
378	{
379	assert (0);
380	return;
381	}
382
383	Void TEncSbac::codeTilesWPPEntryPoint( TComSlice* pSlice )
384	{
385	assert (0);
386	return;
387	}
388
389	Void TEncSbac::codeTerminatingBit( UInt uilsLast )
390	{
391	m_pcBinIf->encodeBinTrm( uilsLast );
392	}
393
394	Void TEncSbac::codeSliceFinish()
395	{
396	m_pcBinIf->finish();
397	}
398
399	Void TEncSbac::xWriteUnarySymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset )
400	{
401	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[0] );
402
403	if( 0 == uiSymbol)
404	{
405	return;
406	}
407
408	while( uiSymbol-- )
409	{
410	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ iOffset ] );
411	}
412
413	return;
414	}
415
416	Void TEncSbac::xWriteUnaryMaxSymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol )
417	{
418	if (uiMaxSymbol == 0)
419	{
420	return;
421	}
422
423	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ 0 ] );
424
425	if ( uiSymbol == 0 )
426	{
427	return;
428	}
429
430	Bool bCodeLast = ( uiMaxSymbol > uiSymbol );
431
432	while( --uiSymbol )
433	{
434	m_pcBinIf->encodeBin( 1, pcSCModel[ iOffset ] );
435	}
436	if( bCodeLast )
437	{
438	m_pcBinIf->encodeBin( 0, pcSCModel[ iOffset ] );
439	}
440
441	return;
442	}
443
444	Void TEncSbac::xWriteEpExGolomb( UInt uiSymbol, UInt uiCount )
445	{
446	UInt bins = 0;
447	Int numBins = 0;
448
449	while( uiSymbol >= (UInt)(1<<uiCount) )
450	{
451	bins = 2 * bins + 1;
452	numBins++;
453	uiSymbol -= 1 << uiCount;
454	uiCount ++;
455	}
456	bins = 2 * bins + 0;
457	numBins++;
458
459	bins = (bins << uiCount) \| uiSymbol;
460	numBins += uiCount;
461
462	assert( numBins <= 32 );
463	m_pcBinIf->encodeBinsEP( bins, numBins );
464	}
465
466	/** Coding of coeff_abs_level_minus3
467	* \param uiSymbol value of coeff_abs_level_minus3
468	* \param ruiGoRiceParam reference to Rice parameter
469	* \returns Void
470	*/
471	Void TEncSbac::xWriteCoefRemainExGolomb ( UInt symbol, UInt &rParam )
472	{
473	Int codeNumber = (Int)symbol;
474	UInt length;
475	if (codeNumber < (COEF_REMAIN_BIN_REDUCTION << rParam))
476	{
477	length = codeNumber>>rParam;
478	m_pcBinIf->encodeBinsEP( (1<<(length+1))-2 , length+1);
479	m_pcBinIf->encodeBinsEP((codeNumber%(1<<rParam)),rParam);
480	}
481	else
482	{
483	length = rParam;
484	codeNumber = codeNumber - ( COEF_REMAIN_BIN_REDUCTION << rParam);
485	while (codeNumber >= (1<<length))
486	{
487	codeNumber -= (1<<(length++));
488	}
489	m_pcBinIf->encodeBinsEP((1<<(COEF_REMAIN_BIN_REDUCTION+length+1-rParam))-2,COEF_REMAIN_BIN_REDUCTION+length+1-rParam);
490	m_pcBinIf->encodeBinsEP(codeNumber,length);
491	}
492	}
493
494	#if H_3D_DIM
495	Void TEncSbac::xWriteExGolombLevel( UInt uiSymbol, ContextModel& rcSCModel )
496	{
497	if( uiSymbol )
498	{
499	m_pcBinIf->encodeBin( 1, rcSCModel );
500	UInt uiCount = 0;
501	Bool bNoExGo = (uiSymbol < 13);
502
503	while( --uiSymbol && ++uiCount < 13 )
504	{
505	m_pcBinIf->encodeBin( 1, rcSCModel );
506	}
507	if( bNoExGo )
508	{
509	m_pcBinIf->encodeBin( 0, rcSCModel );
510	}
511	else
512	{
513	xWriteEpExGolomb( uiSymbol, 0 );
514	}
515	}
516	else
517	{
518	m_pcBinIf->encodeBin( 0, rcSCModel );
519	}
520
521	return;
522	}
523
524	Void TEncSbac::xCodeDimDeltaDC( Pel valDeltaDC, UInt dimType )
525	{
526	xWriteExGolombLevel( UInt( abs( valDeltaDC ) ), m_cDdcDataSCModel.get(0, 0, (RBC_IDX == dimType) ? 1 : 0) );
527	if( valDeltaDC != 0 )
528	{
529	UInt uiSign = valDeltaDC > 0 ? 0 : 1;
530	m_pcBinIf->encodeBinEP( uiSign );
531	}
532	}
533
534	#if H_3D_DIM_DMM
535	Void TEncSbac::xCodeDmm1WedgeIdx( UInt uiTabIdx, Int iNumBit )
536	{
537	for ( Int i = 0; i < iNumBit; i++ )
538	{
539	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmm1DataSCModel.get(0, 0, 0) );
540	}
541	}
542
543	Void TEncSbac::xCodeDmm2Offset( Int iOffset )
544	{
545	if( DMM2_DELTAEND_MAX > 0 )
546	{
547	m_pcBinIf->encodeBin( (iOffset != 0) , m_cDmm2DataSCModel.get(0, 0, 0) );
548	if( iOffset != 0 )
549	{
550	UInt uiAbsValMinus1 = abs(iOffset)-1;
551	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x01), m_cDmm2DataSCModel.get(0, 0, 0) );
552	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x02) >> 1, m_cDmm2DataSCModel.get(0, 0, 0) );
553
554	UInt uiSign = (iOffset > 0) ? 0 : 1;
555	m_pcBinIf->encodeBinEP( uiSign );
556	}
557	}
558	}
559
560	Void TEncSbac::xCodeDmm3WedgeIdx( UInt uiIntraIdx, Int iNumBit )
561	{
562	for( Int i = 0; i < iNumBit; i++ )
563	{
564	m_pcBinIf->encodeBin( ( uiIntraIdx >> i ) & 1, m_cDmm3DataSCModel.get(0, 0, 0) );
565	}
566	}
567	#endif
568	#if H_3D_DIM_RBC
569	Void TEncSbac::xCodeRbcEdge( TComDataCU* pcCU, UInt uiAbsPartIdx )
570	{
571	UInt uiDepth = pcCU->getDepth( uiAbsPartIdx ) + (pcCU->getPartitionSize( uiAbsPartIdx ) == SIZE_NxN ? 1 : 0);
572	UChar* pucSymbolList = pcCU->getEdgeCode ( uiAbsPartIdx );
573	UChar ucEdgeNumber = pcCU->getEdgeNumber ( uiAbsPartIdx );
574	Bool bLeft = pcCU->getEdgeLeftFirst( uiAbsPartIdx );
575	UChar ucStart = pcCU->getEdgeStartPos ( uiAbsPartIdx );
576	UInt uiSymbol;
577
578	// 1. Top(0) or Left(1)
579	uiSymbol = (bLeft == false) ? 0 : 1;
580	m_pcBinIf->encodeBinEP( uiSymbol );
581
582	// 2. Start position (lowest bit first)
583	uiSymbol = ucStart;
584	for( UInt ui = 6; ui > uiDepth; ui-- ) // 64(0)->6, 32(1)->5, 16(2)->4, 8(3)->3, 4(4)->2
585	{
586	m_pcBinIf->encodeBinEP( uiSymbol & 0x1 );
587	uiSymbol >>= 1;
588	}
589
590	// 3. Number of edges
591	uiSymbol = ucEdgeNumber > 0 ? ucEdgeNumber - 1 : 0;
592	for( UInt ui = 7; ui > uiDepth; ui-- ) // 64(0)->7, 32(1)->6, 16(2)->5, 8(3)->4, 4(4)->3
593	{
594	m_pcBinIf->encodeBinEP( uiSymbol & 0x1 );
595	uiSymbol >>= 1;
596	}
597
598	if(uiSymbol != 0)
599	{
600	printf(" ucEdgeNumber %d at depth %d\n",ucEdgeNumber, uiDepth);
601	assert(false);
602	}
603
604	// 4. Edges
605	for( Int iPtr2 = 0; iPtr2 < ucEdgeNumber; iPtr2++ )
606	{
607	UInt uiReorderSymbol = pucSymbolList[iPtr2];
608	for( UInt ui = 0; ui < uiReorderSymbol; ui++ )
609	{
610	m_pcBinIf->encodeBin( 1, m_cRbcDataSCModel.get( 0, 0, 0 ) );
611	}
612
613	if( uiReorderSymbol != 6 )
614	m_pcBinIf->encodeBin( 0, m_cRbcDataSCModel.get( 0, 0, 0 ) );
615	}
616	}
617	#endif
618	#if H_3D_DIM_SDC
619	Void TEncSbac::xCodeSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiSegment )
620	{
621	assert( pcCU->getSlice()->getIsDepth() );
622	assert( pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N );
623	assert( pcCU->getSDCFlag(uiAbsPartIdx) );
624	assert( uiSegment < 2 );
625
626	Pel segmentDCOffset = pcCU->getSDCSegmentDCOffset(uiSegment, uiAbsPartIdx);
627
628	UInt uiResidual = segmentDCOffset == 0 ? 0 : 1;
629	UInt uiSign = segmentDCOffset < 0 ? 1 : 0;
630	UInt uiAbsIdx = abs(segmentDCOffset);
631
632	#if H_3D_DIM_DLT
633	UInt uiMaxResidualBits = pcCU->getSlice()->getVPS()->getBitsPerDepthValue( pcCU->getSlice()->getLayerIdInVps() );
634	#else
635	UInt uiMaxResidualBits = g_bitDepthY;
636	#endif
637	assert( uiMaxResidualBits <= g_bitDepthY );
638
639	// residual flag
640	m_pcBinIf->encodeBin( uiResidual, m_cSDCResidualFlagSCModel.get( 0, 0, 0 ) );
641
642	if (uiResidual)
643	{
644	// encode sign bit of residual
645	m_pcBinIf->encodeBinEP( uiSign );
646
647	#if H_3D_DIM_DLT
648	UInt uiNumDepthValues = pcCU->getSlice()->getVPS()->getNumDepthValues( pcCU->getSlice()->getLayerIdInVps() );
649	#else
650	UInt uiNumDepthValues = ((1 << g_bitDepthY)-1);
651	#endif
652	assert(uiAbsIdx <= uiNumDepthValues);
653
654	// encode residual magnitude
655	uiAbsIdx -= 1;
656	// prefix part
657	if ( uiAbsIdx == 0 )
658	m_pcBinIf->encodeBin( 0, m_cSDCResidualSCModel.get(0, 0, 0) );
659	else
660	{
661	UInt l = uiAbsIdx;
662	UInt k = 0;
663	UInt uiPrefixThreshold = ((uiNumDepthValues * 3) >> 2);
664	while ( l > 0 && k < uiPrefixThreshold )
665	{
666	m_pcBinIf->encodeBin( 1, m_cSDCResidualSCModel.get(0, 0, 0) );
667	l--;
668	k++;
669	}
670	if ( uiAbsIdx < uiPrefixThreshold )
671	m_pcBinIf->encodeBin( 0, m_cSDCResidualSCModel.get(0, 0, 0) );
672	// suffix part
673	else
674	{
675	uiAbsIdx -= uiPrefixThreshold;
676	UInt uiSuffixLength = numBitsForValue(uiNumDepthValues - uiPrefixThreshold);
677	UInt uiBitInfo = 0;
678	for ( Int i = 0; i < uiSuffixLength; i++)
679	{
680	uiBitInfo = ( uiAbsIdx & ( 1 << i ) ) >> i;
681	m_pcBinIf->encodeBinEP( uiBitInfo);
682	}
683	}
684	}
685
686	}
687	}
688	#endif
689	#endif
690
691	// SBAC RD
692	Void TEncSbac::load ( TEncSbac* pSrc)
693	{
694	this->xCopyFrom(pSrc);
695	}
696
697	Void TEncSbac::loadIntraDirModeLuma( TEncSbac* pSrc)
698	{
699	m_pcBinIf->copyState( pSrc->m_pcBinIf );
700
701	this->m_cCUIntraPredSCModel .copyFrom( &pSrc->m_cCUIntraPredSCModel );
702	}
703	#if H_3D_DIM
704	Void TEncSbac::loadIntraDepthMode( TEncSbac* pSrc)
705	{
706	m_pcBinIf->copyState( pSrc->m_pcBinIf );
707
708	this->m_cDepthIntraModeSCModel .copyFrom( &pSrc->m_cDepthIntraModeSCModel );
709	this->m_cDdcFlagSCModel .copyFrom( &pSrc->m_cDdcFlagSCModel );
710	}
711	#endif
712
713	Void TEncSbac::store( TEncSbac* pDest)
714	{
715	pDest->xCopyFrom( this );
716	}
717
718
719	Void TEncSbac::xCopyFrom( TEncSbac* pSrc )
720	{
721	m_pcBinIf->copyState( pSrc->m_pcBinIf );
722
723	this->m_uiCoeffCost = pSrc->m_uiCoeffCost;
724	this->m_uiLastQp = pSrc->m_uiLastQp;
725
726	memcpy( m_contextModels, pSrc->m_contextModels, m_numContextModels * sizeof( ContextModel ) );
727	}
728
729	Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
730	{
731	Int iSymbol = pcCU->getMVPIdx(eRefList, uiAbsPartIdx);
732	Int iNum = AMVP_MAX_NUM_CANDS;
733
734	xWriteUnaryMaxSymbol(iSymbol, m_cMVPIdxSCModel.get(0), 1, iNum-1);
735	#if H_MV_ENC_DEC_TRAC
736	#if ENC_DEC_TRACE
737	if ( eRefList == REF_PIC_LIST_0 )
738	{
739	DTRACE_PU("mvp_l0_flag", iSymbol)
740	}
741	else
742	{
743	DTRACE_PU("mvp_l1_flag", iSymbol)
744	}
745	#endif
746	#endif
747	}
748
749	Void TEncSbac::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
750	{
751	PartSize eSize = pcCU->getPartitionSize( uiAbsPartIdx );
752	#if H_3D_QTLPC
753	TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS();
754	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
755	Bool bDepthMapDetect = (pcTexture != NULL);
756	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
757
758	Bool rapPic = (pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL \|\| pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP \|\| pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA);
759
760	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && sps->getUseQTL() && sps->getUsePC() )
761	{
762	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
763	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
764	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
765	if (pcTextureCU->getDepth(uiCUIdx) == uiDepth && pcTextureCU->getPartitionSize( uiCUIdx ) != SIZE_NxN)
766	{
767	assert( eSize == SIZE_2Nx2N );
768	return;
769	}
770	}
771	#endif
772	if ( pcCU->isIntra( uiAbsPartIdx ) )
773	{
774	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
775	{
776	m_pcBinIf->encodeBin( eSize == SIZE_2Nx2N? 1 : 0, m_cCUPartSizeSCModel.get( 0, 0, 0 ) );
777	#if H_MV_ENC_DEC_TRAC
778	DTRACE_CU("part_mode", eSize == SIZE_2Nx2N? 1 : 0)
779	#endif
780	}
781	return;
782	}
783
784	#if H_MV_ENC_DEC_TRAC
785	DTRACE_CU("part_mode", eSize )
786	#endif
787	switch(eSize)
788	{
789	case SIZE_2Nx2N:
790	{
791	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
792	break;
793	}
794	case SIZE_2NxN:
795	case SIZE_2NxnU:
796	case SIZE_2NxnD:
797	{
798	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
799	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
800	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
801	{
802	if (eSize == SIZE_2NxN)
803	{
804	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
805	}
806	else
807	{
808	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
809	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
810	}
811	}
812	break;
813	}
814	case SIZE_Nx2N:
815	case SIZE_nLx2N:
816	case SIZE_nRx2N:
817	{
818	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
819	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
820	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
821	{
822	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 2) );
823	}
824	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
825	{
826	if (eSize == SIZE_Nx2N)
827	{
828	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
829	}
830	else
831	{
832	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
833	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
834	}
835	}
836	break;
837	}
838	case SIZE_NxN:
839	{
840	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
841	{
842	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
843	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
844	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 2) );
845	}
846	break;
847	}
848	default:
849	{
850	assert(0);
851	}
852	}
853	}
854
855	/** code prediction mode
856	* \param pcCU
857	* \param uiAbsPartIdx
858	* \returns Void
859	*/
860	Void TEncSbac::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
861	{
862	#if H_3D_DIM_SDC
863	if ( pcCU->getSlice()->isIntra() )
864	{
865	assert( pcCU->isIntra(uiAbsPartIdx) );
866	return;
867	}
868	#endif
869
870	// get context function is here
871	Int iPredMode = pcCU->getPredictionMode( uiAbsPartIdx );
872	m_pcBinIf->encodeBin( iPredMode == MODE_INTER ? 0 : 1, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
873	#if H_MV_ENC_DEC_TRAC
874	DTRACE_CU("pred_mode_flag", iPredMode == MODE_INTER ? 0 : 1);
875	#endif
876	}
877
878	Void TEncSbac::codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
879	{
880	UInt uiSymbol = pcCU->getCUTransquantBypass(uiAbsPartIdx);
881	m_pcBinIf->encodeBin( uiSymbol, m_CUTransquantBypassFlagSCModel.get( 0, 0, 0 ) );
882	#if H_MV_ENC_DEC_TRAC
883	DTRACE_CU("cu_transquant_bypass_flag", uiSymbol);
884	#endif
885	}
886
887	/** code skip flag
888	* \param pcCU
889	* \param uiAbsPartIdx
890	* \returns Void
891	*/
892	Void TEncSbac::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
893	{
894	// get context function is here
895	UInt uiSymbol = pcCU->isSkipped( uiAbsPartIdx ) ? 1 : 0;
896	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ) ;
897	m_pcBinIf->encodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
898	#if !H_MV_ENC_DEC_TRAC
899	DTRACE_CABAC_VL( g_nSymbolCounter++ );
900	DTRACE_CABAC_T( "\tSkipFlag" );
901	DTRACE_CABAC_T( "\tuiCtxSkip: ");
902	DTRACE_CABAC_V( uiCtxSkip );
903	DTRACE_CABAC_T( "\tuiSymbol: ");
904	DTRACE_CABAC_V( uiSymbol );
905	DTRACE_CABAC_T( "\n");
906	#else
907	DTRACE_CU("cu_skip_flag", uiSymbol);
908	#endif
909	}
910
911	/** code merge flag
912	* \param pcCU
913	* \param uiAbsPartIdx
914	* \returns Void
915	*/
916	Void TEncSbac::codeMergeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
917	{
918	const UInt uiSymbol = pcCU->getMergeFlag( uiAbsPartIdx ) ? 1 : 0;
919	m_pcBinIf->encodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
920
921	#if H_MV_ENC_DEC_TRAC
922	DTRACE_PU("merge_flag", uiSymbol);
923	#else
924	DTRACE_CABAC_VL( g_nSymbolCounter++ );
925	DTRACE_CABAC_T( "\tMergeFlag: " );
926	DTRACE_CABAC_V( uiSymbol );
927	DTRACE_CABAC_T( "\tAddress: " );
928	DTRACE_CABAC_V( pcCU->getAddr() );
929	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
930	DTRACE_CABAC_V( uiAbsPartIdx );
931	DTRACE_CABAC_T( "\n" );
932	#endif
933	}
934
935	/** code merge index
936	* \param pcCU
937	* \param uiAbsPartIdx
938	* \returns Void
939	*/
940	Void TEncSbac::codeMergeIndex( TComDataCU* pcCU, UInt uiAbsPartIdx )
941	{
942	UInt uiUnaryIdx = pcCU->getMergeIndex( uiAbsPartIdx );
943	UInt uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
944	if ( uiNumCand > 1 )
945	{
946	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
947	{
948	const UInt uiSymbol = ui == uiUnaryIdx ? 0 : 1;
949	if ( ui==0 )
950	{
951	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
952	}
953	else
954	{
955	m_pcBinIf->encodeBinEP( uiSymbol );
956	}
957	if( uiSymbol == 0 )
958	{
959	break;
960	}
961	}
962	#if H_MV_ENC_DEC_TRAC
963	DTRACE_PU("merge_idx", uiUnaryIdx);
964	#endif
965	}
966	#if !H_MV_ENC_DEC_TRAC
967	DTRACE_CABAC_VL( g_nSymbolCounter++ );
968	DTRACE_CABAC_T( "\tparseMergeIndex()" );
969	DTRACE_CABAC_T( "\tuiMRGIdx= " );
970	DTRACE_CABAC_V( pcCU->getMergeIndex( uiAbsPartIdx ) );
971	DTRACE_CABAC_T( "\n" );
972	#endif
973	}
974
975	#if H_3D_ARP
976	Void TEncSbac::codeARPW( TComDataCU* pcCU, UInt uiAbsPartIdx )
977	{
978	Int iW = (Int)pcCU->getARPW( uiAbsPartIdx );
979	Int iMaxW = pcCU->getSlice()->getARPStepNum() - 1;
980	assert( iMaxW > 0);
981
982	Int nOffset = pcCU->getCTXARPWFlag(uiAbsPartIdx);
983	Int nBinNum = iW + ( iW != iMaxW );
984	m_pcBinIf->encodeBin( iW ? 1 : 0 , m_cCUPUARPWSCModel.get( 0, 0, 0 + nOffset ) );
985	if( nBinNum > 1 )
986	{
987	m_pcBinIf->encodeBin( ( iW == iMaxW ) ? 1 : 0, m_cCUPUARPWSCModel.get( 0, 0, 3 ) );
988	}
989	#if H_MV_ENC_DEC_TRAC
990	DTRACE_CU("iv_res_pred_weight_idx", iW);
991	#endif
992	}
993	#endif
994
995	#if H_3D_IC
996	/** code Illumination Compensation flag
997	* \param pcCU
998	* \param uiAbsPartIdx
999	* \returns Void
1000	*/
1001	Void TEncSbac::codeICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
1002	{
1003	// get context function is here
1004	UInt uiSymbol = pcCU->getICFlag( uiAbsPartIdx ) ? 1 : 0;
1005	UInt uiCtxIC = pcCU->getCtxICFlag( uiAbsPartIdx ) ;
1006	m_pcBinIf->encodeBin( uiSymbol, m_cCUICFlagSCModel.get( 0, 0, uiCtxIC ) );
1007	#if !H_MV_ENC_DEC_TRAC
1008	DTRACE_CABAC_VL( g_nSymbolCounter++ );
1009	DTRACE_CABAC_T( "\tICFlag" );
1010	DTRACE_CABAC_T( "\tuiCtxIC: ");
1011	DTRACE_CABAC_V( uiCtxIC );
1012	DTRACE_CABAC_T( "\tuiSymbol: ");
1013	DTRACE_CABAC_V( uiSymbol );
1014	DTRACE_CABAC_T( "\n");
1015	#else
1016	DTRACE_CU("ic_flag", uiSymbol );
1017	#endif
1018	}
1019	#endif
1020
1021
1022	Void TEncSbac::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
1023	{
1024	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
1025	return;
1026
1027	UInt uiCtx = pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth );
1028	UInt uiCurrSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0;
1029
1030	assert( uiCtx < 3 );
1031	#if H_3D_QTLPC
1032	Bool bCodeSplitFlag = true;
1033
1034	TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS();
1035	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
1036	Bool bDepthMapDetect = (pcTexture != NULL);
1037	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
1038
1039	Bool rapPic = (pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL \|\| pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP \|\| pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA);
1040
1041	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && sps->getUseQTL() && sps->getUsePC())
1042	{
1043	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
1044	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
1045	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
1046	bCodeSplitFlag = (pcTextureCU->getDepth(uiCUIdx) > uiDepth);
1047	}
1048
1049	if(!bCodeSplitFlag)
1050	{
1051	assert(uiCurrSplitFlag == 0);
1052	return;
1053	}
1054	#endif
1055	m_pcBinIf->encodeBin( uiCurrSplitFlag, m_cCUSplitFlagSCModel.get( 0, 0, uiCtx ) );
1056	#if !H_MV_ENC_DEC_TRAC
1057	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1058	DTRACE_CABAC_T( "\tSplitFlag\n" )
1059	#else
1060	DTRACE_CU("split_cu_flag", uiCurrSplitFlag );
1061	#endif
1062	return;
1063	}
1064
1065	Void TEncSbac::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx )
1066	{
1067	m_pcBinIf->encodeBin( uiSymbol, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiCtx ) );
1068	#if !H_MV_ENC_DEC_TRAC
1069	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1070	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
1071	DTRACE_CABAC_T( "\tsymbol=" )
1072	DTRACE_CABAC_V( uiSymbol )
1073	DTRACE_CABAC_T( "\tctx=" )
1074	DTRACE_CABAC_V( uiCtx )
1075	DTRACE_CABAC_T( "\n" )
1076	#endif
1077	}
1078
1079	Void TEncSbac::codeIntraDirLumaAng( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple)
1080	{
1081	UInt dir[4],j;
1082	Int preds[4][3] = {{-1, -1, -1},{-1, -1, -1},{-1, -1, -1},{-1, -1, -1}};
1083	Int predNum[4], predIdx[4] ={ -1,-1,-1,-1};
1084	PartSize mode = pcCU->getPartitionSize( absPartIdx );
1085	UInt partNum = isMultiple?(mode==SIZE_NxN?4:1):1;
1086	UInt partOffset = ( pcCU->getPic()->getNumPartInCU() >> ( pcCU->getDepth(absPartIdx) << 1 ) ) >> 2;
1087	for (j=0;j<partNum;j++)
1088	{
1089	dir[j] = pcCU->getLumaIntraDir( absPartIdx+partOffset*j );
1090	#if H_3D_DIM
1091	if( pcCU->getSlice()->getVpsDepthModesFlag() )
1092	{
1093	codeIntraDepth( pcCU, absPartIdx+partOffset*j );
1094	}
1095	if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1096	#if H_3D_DIM_SDC
1097	if( !pcCU->getSDCFlag( absPartIdx+partOffset*j ) )
1098	#endif
1099	{
1100	#endif
1101	predNum[j] = pcCU->getIntraDirLumaPredictor(absPartIdx+partOffset*j, preds[j]);
1102	for(UInt i = 0; i < predNum[j]; i++)
1103	{
1104	if(dir[j] == preds[j][i])
1105	{
1106	predIdx[j] = i;
1107	}
1108	}
1109	m_pcBinIf->encodeBin((predIdx[j] != -1)? 1 : 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1110	#if H_MV_ENC_DEC_TRAC
1111	DTRACE_CU("prev_intra_luma_pred_flag", (predIdx[j] != -1)? 1 : 0);
1112	#endif
1113	#if H_3D_DIM
1114	}
1115	#endif
1116
1117	}
1118	for (j=0;j<partNum;j++)
1119	{
1120	#if H_3D_DIM
1121	if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1122	#if H_3D_DIM_SDC
1123	if( !pcCU->getSDCFlag( absPartIdx+partOffset*j ) )
1124	#endif
1125	{
1126	#endif
1127	if(predIdx[j] != -1)
1128	{
1129	m_pcBinIf->encodeBinEP( predIdx[j] ? 1 : 0 );
1130	if (predIdx[j])
1131	{
1132	m_pcBinIf->encodeBinEP( predIdx[j]-1 );
1133	}
1134	#if H_MV_ENC_DEC_TRAC
1135	DTRACE_CU("mpm_idx", predIdx[j] );
1136	#endif
1137	}
1138	else
1139	{
1140	if (preds[j][0] > preds[j][1])
1141	{
1142	std::swap(preds[j][0], preds[j][1]);
1143	}
1144	if (preds[j][0] > preds[j][2])
1145	{
1146	std::swap(preds[j][0], preds[j][2]);
1147	}
1148	if (preds[j][1] > preds[j][2])
1149	{
1150	std::swap(preds[j][1], preds[j][2]);
1151	}
1152	for(Int i = (predNum[j] - 1); i >= 0; i--)
1153	{
1154	dir[j] = dir[j] > preds[j][i] ? dir[j] - 1 : dir[j];
1155	}
1156	m_pcBinIf->encodeBinsEP( dir[j], 5 );
1157	#if H_MV_ENC_DEC_TRAC
1158	DTRACE_CU("rem_intra_luma_pred_mode", dir[j] );
1159	#endif
1160	}
1161	#if H_3D_DIM
1162	}
1163	#endif
1164	}
1165	return;
1166	}
1167
1168	Void TEncSbac::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx )
1169	{
1170	UInt uiIntraDirChroma = pcCU->getChromaIntraDir( uiAbsPartIdx );
1171
1172	if( uiIntraDirChroma == DM_CHROMA_IDX )
1173	{
1174	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1175	#if H_MV_ENC_DEC_TRAC
1176	DTRACE_CU("intra_chroma_pred_mode", 0 );
1177	#endif
1178	}
1179	else
1180	{
1181	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1182	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1183
1184	for( Int i = 0; i < NUM_CHROMA_MODE - 1; i++ )
1185	{
1186	if( uiIntraDirChroma == uiAllowedChromaDir[i] )
1187	{
1188	uiIntraDirChroma = i;
1189	break;
1190	}
1191	}
1192	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1193
1194	m_pcBinIf->encodeBinsEP( uiIntraDirChroma, 2 );
1195	#if H_MV_ENC_DEC_TRAC
1196	DTRACE_CU("intra_chroma_pred_mode", uiIntraDirChroma );
1197	#endif
1198
1199	}
1200	return;
1201	}
1202
1203	#if H_3D_DIM
1204	Void TEncSbac::codeIntraDepth( TComDataCU* pcCU, UInt absPartIdx )
1205	{
1206	codeIntraDepthMode( pcCU, absPartIdx );
1207
1208	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
1209	UInt dimType = getDimType( dir );
1210
1211	switch( dimType )
1212	{
1213	#if H_3D_DIM_DMM
1214	case( DMM1_IDX ):
1215	{
1216	xCodeDmm1WedgeIdx( pcCU->getDmmWedgeTabIdx( dimType, absPartIdx ), g_dmm1TabIdxBits[pcCU->getIntraSizeIdx(absPartIdx)] );
1217	} break;
1218	case( DMM2_IDX ):
1219	{
1220	xCodeDmm2Offset( pcCU->getDmm2DeltaEnd( absPartIdx ) );
1221	} break;
1222	case( DMM3_IDX ):
1223	{
1224	xCodeDmm3WedgeIdx( pcCU->getDmm3IntraTabIdx( absPartIdx ), g_dmm3IntraTabIdxBits[pcCU->getIntraSizeIdx(absPartIdx)] );
1225	} break;
1226	case( DMM4_IDX ): break;
1227	#endif
1228	#if H_3D_DIM_RBC
1229	case( RBC_IDX ):
1230	{
1231	assert( pcCU->getWidth( absPartIdx ) < 64 );
1232	xCodeRbcEdge( pcCU, absPartIdx );
1233	} break;
1234	#endif
1235	default: break;
1236	}
1237
1238	#if H_3D_DIM_SDC
1239	if( pcCU->getSDCFlag( absPartIdx ) )
1240	{
1241	assert(pcCU->getPartitionSize(absPartIdx)==SIZE_2Nx2N);
1242	UInt uiNumSegments = ( dir == DC_IDX \|\| dir == PLANAR_IDX )? 1 : 2;
1243	for(UInt uiSeg=0; uiSeg<uiNumSegments; uiSeg++)
1244	{
1245	xCodeSDCResidualData(pcCU, absPartIdx, uiSeg);
1246	}
1247	}
1248	else
1249	{
1250	#endif
1251	if( dimType < DIM_NUM_TYPE )
1252	{
1253	UInt dimDeltaDC = isDimDeltaDC( dir );
1254	m_pcBinIf->encodeBin( dimDeltaDC, m_cDdcFlagSCModel.get(0, 0, (RBC_IDX == dimType) ? 1 : 0) );
1255	if( dimDeltaDC )
1256	{
1257	for( UInt segment = 0; segment < 2; segment++ )
1258	{
1259	xCodeDimDeltaDC( pcCU->getDimDeltaDC( dimType, segment, absPartIdx ), dimType );
1260	}
1261	}
1262	}
1263	#if H_3D_DIM_SDC
1264	}
1265	#endif
1266	}
1267
1268	Void TEncSbac::codeIntraDepthMode( TComDataCU* pcCU, UInt absPartIdx )
1269	{
1270	UInt codeWordTable[3][9] = {{0, 0, 0, 2, 0,6, 0, 0, 7},{0, 2, 3, 4, 5, 6, 14, 31, 30},{0, 2, 0, 0, 0, 0, 3, 0, 0}};
1271	UInt codeWordLenTable[3][9] = {{0, 1, 0, 2, 0,3, 0, 0, 3},{2, 3, 3, 3, 3, 3, 4, 5, 5},{1, 2, 0, 0, 0, 0, 2, 0, 0}};
1272	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
1273	UInt puIdx = (pcCU->getWidth(absPartIdx) == 64) ? 2 : ( (pcCU->getPartitionSize(absPartIdx) == SIZE_NxN && pcCU->getWidth(absPartIdx) == 8) ? 0 : 1 );
1274	UInt codeIdx = 0;
1275
1276	if( dir < NUM_INTRA_MODE )
1277	{
1278	codeIdx = 1;
1279	}
1280	if( isDimMode( dir ) )
1281	{
1282	switch( getDimType( dir ) )
1283	{
1284	case DMM1_IDX: codeIdx = 3; break;
1285	case DMM4_IDX: codeIdx = 4; break;
1286	case DMM3_IDX: codeIdx = 5; break;
1287	case DMM2_IDX: codeIdx = 7; break;
1288	case RBC_IDX: codeIdx = 8; break;
1289	default: break;
1290	}
1291	}
1292
1293	#if H_3D_DIM_SDC
1294	if( pcCU->getSDCFlag( absPartIdx ) )
1295	{
1296	switch( dir )
1297	{
1298	case PLANAR_IDX: codeIdx = 0; break;
1299	case DC_IDX: codeIdx = 6; break;
1300	default: codeIdx = 2; break;
1301	}
1302	}
1303	#endif
1304	//mode coding
1305	for( UInt i = 0; i < codeWordLenTable[puIdx][codeIdx]; i++ )
1306	{
1307	UInt bit = codeWordTable[puIdx][codeIdx] & ( 1<<(codeWordLenTable[puIdx][codeIdx] - i - 1) );
1308	UInt ctxDepthMode = puIdx*3 + ( (i >= 2) ? 2 : i );
1309	m_pcBinIf->encodeBin( bit!=0 , m_cDepthIntraModeSCModel.get(0, 0, ctxDepthMode) );
1310	}
1311	}
1312	#endif
1313
1314
1315	Void TEncSbac::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
1316	{
1317	const UInt uiInterDir = pcCU->getInterDir( uiAbsPartIdx ) - 1;
1318	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1319	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1320	if (pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N \|\| pcCU->getHeight(uiAbsPartIdx) != 8 )
1321	{
1322	m_pcBinIf->encodeBin( uiInterDir == 2 ? 1 : 0, *( pCtx + uiCtx ) );
1323	}
1324	if (uiInterDir < 2)
1325	{
1326	m_pcBinIf->encodeBin( uiInterDir, *( pCtx + 4 ) );
1327	}
1328	#if H_MV_ENC_DEC_TRAC
1329	DTRACE_PU("inter_pred_idc", uiInterDir );
1330	#endif
1331
1332	return;
1333	}
1334
1335	Void TEncSbac::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1336	{
1337	{
1338	Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1339	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1340	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1341
1342	if( iRefFrame > 0 )
1343	{
1344	UInt uiRefNum = pcCU->getSlice()->getNumRefIdx( eRefList ) - 2;
1345	pCtx++;
1346	iRefFrame--;
1347	for( UInt ui = 0; ui < uiRefNum; ++ui )
1348	{
1349	const UInt uiSymbol = ui == iRefFrame ? 0 : 1;
1350	if( ui == 0 )
1351	{
1352	m_pcBinIf->encodeBin( uiSymbol, *pCtx );
1353	}
1354	else
1355	{
1356	m_pcBinIf->encodeBinEP( uiSymbol );
1357	}
1358	if( uiSymbol == 0 )
1359	{
1360	break;
1361	}
1362	}
1363	}
1364	#if H_MV_ENC_DEC_TRAC
1365	#if ENC_DEC_TRACE
1366	iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1367	if ( eRefList == REF_PIC_LIST_0 )
1368	{
1369	DTRACE_PU("ref_idx_l0", iRefFrame)
1370	}
1371	else
1372	{
1373	DTRACE_PU("ref_idx_l1", iRefFrame)
1374	}
1375	#endif
1376	#endif
1377	}
1378	return;
1379	}
1380
1381	Void TEncSbac::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1382	{
1383	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1384	{
1385	return;
1386	}
1387
1388	const TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList );
1389	const Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor();
1390	const Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer();
1391	ContextModel* pCtx = m_cCUMvdSCModel.get( 0 );
1392
1393	m_pcBinIf->encodeBin( iHor != 0 ? 1 : 0, *pCtx );
1394	m_pcBinIf->encodeBin( iVer != 0 ? 1 : 0, *pCtx );
1395
1396	const Bool bHorAbsGr0 = iHor != 0;
1397	const Bool bVerAbsGr0 = iVer != 0;
1398	const UInt uiHorAbs = 0 > iHor ? -iHor : iHor;
1399	const UInt uiVerAbs = 0 > iVer ? -iVer : iVer;
1400	pCtx++;
1401
1402	if( bHorAbsGr0 )
1403	{
1404	m_pcBinIf->encodeBin( uiHorAbs > 1 ? 1 : 0, *pCtx );
1405	}
1406
1407	if( bVerAbsGr0 )
1408	{
1409	m_pcBinIf->encodeBin( uiVerAbs > 1 ? 1 : 0, *pCtx );
1410	}
1411
1412	if( bHorAbsGr0 )
1413	{
1414	if( uiHorAbs > 1 )
1415	{
1416	xWriteEpExGolomb( uiHorAbs-2, 1 );
1417	}
1418
1419	m_pcBinIf->encodeBinEP( 0 > iHor ? 1 : 0 );
1420	}
1421
1422	if( bVerAbsGr0 )
1423	{
1424	if( uiVerAbs > 1 )
1425	{
1426	xWriteEpExGolomb( uiVerAbs-2, 1 );
1427	}
1428
1429	m_pcBinIf->encodeBinEP( 0 > iVer ? 1 : 0 );
1430	}
1431
1432	return;
1433	}
1434
1435	Void TEncSbac::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx )
1436	{
1437	Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
1438
1439	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY();
1440	iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
1441
1442	UInt uiAbsDQp = (UInt)((iDQp > 0)? iDQp : (-iDQp));
1443	UInt TUValue = min((Int)uiAbsDQp, CU_DQP_TU_CMAX);
1444	xWriteUnaryMaxSymbol( TUValue, &m_cCUDeltaQpSCModel.get( 0, 0, 0 ), 1, CU_DQP_TU_CMAX);
1445	if( uiAbsDQp >= CU_DQP_TU_CMAX )
1446	{
1447	xWriteEpExGolomb( uiAbsDQp - CU_DQP_TU_CMAX, CU_DQP_EG_k );
1448	}
1449
1450	if ( uiAbsDQp > 0)
1451	{
1452	UInt uiSign = (iDQp > 0 ? 0 : 1);
1453	m_pcBinIf->encodeBinEP(uiSign);
1454	}
1455
1456	return;
1457	}
1458
1459	Void TEncSbac::codeQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth )
1460	{
1461	UInt uiCbf = pcCU->getCbf ( uiAbsPartIdx, eType, uiTrDepth );
1462	UInt uiCtx = pcCU->getCtxQtCbf( eType, uiTrDepth );
1463	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) );
1464	#if !H_MV_ENC_DEC_TRAC
1465	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1466	DTRACE_CABAC_T( "\tparseQtCbf()" )
1467	DTRACE_CABAC_T( "\tsymbol=" )
1468	DTRACE_CABAC_V( uiCbf )
1469	DTRACE_CABAC_T( "\tctx=" )
1470	DTRACE_CABAC_V( uiCtx )
1471	DTRACE_CABAC_T( "\tetype=" )
1472	DTRACE_CABAC_V( eType )
1473	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1474	DTRACE_CABAC_V( uiAbsPartIdx )
1475	DTRACE_CABAC_T( "\n" )
1476	#endif
1477	}
1478
1479	void TEncSbac::codeTransformSkipFlags (TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, TextType eTType )
1480	{
1481	if (pcCU->getCUTransquantBypass(uiAbsPartIdx))
1482	{
1483	return;
1484	}
1485	if(width != 4 \|\| height != 4)
1486	{
1487	return;
1488	}
1489
1490	UInt useTransformSkip = pcCU->getTransformSkip( uiAbsPartIdx,eTType);
1491	m_pcBinIf->encodeBin( useTransformSkip, m_cTransformSkipSCModel.get( 0, eTType? TEXT_CHROMA: TEXT_LUMA, 0 ) );
1492	#if !H_MV_ENC_DEC_TRAC
1493	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1494	DTRACE_CABAC_T("\tparseTransformSkip()");
1495	DTRACE_CABAC_T( "\tsymbol=" )
1496	DTRACE_CABAC_V( useTransformSkip )
1497	DTRACE_CABAC_T( "\tAddr=" )
1498	DTRACE_CABAC_V( pcCU->getAddr() )
1499	DTRACE_CABAC_T( "\tetype=" )
1500	DTRACE_CABAC_V( eTType )
1501	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1502	DTRACE_CABAC_V( uiAbsPartIdx )
1503	DTRACE_CABAC_T( "\n" )
1504	#endif
1505	}
1506
1507	/** Code I_PCM information.
1508	* \param pcCU pointer to CU
1509	* \param uiAbsPartIdx CU index
1510	* \returns Void
1511	*/
1512	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
1513	{
1514	UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0;
1515
1516	Bool writePCMSampleFlag = pcCU->getIPCMFlag(uiAbsPartIdx);
1517
1518	m_pcBinIf->encodeBinTrm (uiIPCM);
1519	#if H_MV_ENC_DEC_TRAC
1520	DTRACE_CU("pcm_flag", uiIPCM)
1521	#endif
1522	if (writePCMSampleFlag)
1523	{
1524	m_pcBinIf->encodePCMAlignBits();
1525
1526	UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight();
1527	UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx;
1528	UInt uiChromaOffset = uiLumaOffset>>2;
1529	Pel* piPCMSample;
1530	UInt uiWidth;
1531	UInt uiHeight;
1532	UInt uiSampleBits;
1533	UInt uiX, uiY;
1534
1535	piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset;
1536	uiWidth = pcCU->getWidth(uiAbsPartIdx);
1537	uiHeight = pcCU->getHeight(uiAbsPartIdx);
1538	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma();
1539
1540	for(uiY = 0; uiY < uiHeight; uiY++)
1541	{
1542	for(uiX = 0; uiX < uiWidth; uiX++)
1543	{
1544	UInt uiSample = piPCMSample[uiX];
1545
1546	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1547	}
1548	piPCMSample += uiWidth;
1549	}
1550
1551	piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset;
1552	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1553	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1554	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1555
1556	for(uiY = 0; uiY < uiHeight; uiY++)
1557	{
1558	for(uiX = 0; uiX < uiWidth; uiX++)
1559	{
1560	UInt uiSample = piPCMSample[uiX];
1561
1562	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1563	}
1564	piPCMSample += uiWidth;
1565	}
1566
1567	piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset;
1568	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1569	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1570	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1571
1572	for(uiY = 0; uiY < uiHeight; uiY++)
1573	{
1574	for(uiX = 0; uiX < uiWidth; uiX++)
1575	{
1576	UInt uiSample = piPCMSample[uiX];
1577
1578	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1579	}
1580	piPCMSample += uiWidth;
1581	}
1582	m_pcBinIf->resetBac();
1583	}
1584	}
1585
1586	Void TEncSbac::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx )
1587	{
1588	UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx );
1589	UInt uiCtx = 0;
1590	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1591	#if !H_MV_ENC_DEC_TRAC
1592	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1593	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1594	DTRACE_CABAC_T( "\tsymbol=" )
1595	DTRACE_CABAC_V( uiCbf )
1596	DTRACE_CABAC_T( "\tctx=" )
1597	DTRACE_CABAC_V( uiCtx )
1598	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1599	DTRACE_CABAC_V( uiAbsPartIdx )
1600	DTRACE_CABAC_T( "\n" )
1601	#else
1602	DTRACE_CU( "rqt_root_cbf", uiCbf )
1603	#endif
1604	}
1605
1606	Void TEncSbac::codeQtCbfZero( TComDataCU* pcCU, TextType eType, UInt uiTrDepth )
1607	{
1608	// this function is only used to estimate the bits when cbf is 0
1609	// and will never be called when writing the bistream. do not need to write log
1610	UInt uiCbf = 0;
1611	UInt uiCtx = pcCU->getCtxQtCbf( eType, uiTrDepth );
1612	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) );
1613	}
1614
1615	Void TEncSbac::codeQtRootCbfZero( TComDataCU* pcCU )
1616	{
1617	// this function is only used to estimate the bits when cbf is 0
1618	// and will never be called when writing the bistream. do not need to write log
1619	UInt uiCbf = 0;
1620	UInt uiCtx = 0;
1621	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1622	}
1623
1624	/** Encode (X,Y) position of the last significant coefficient
1625	* \param uiPosX X component of last coefficient
1626	* \param uiPosY Y component of last coefficient
1627	* \param width Block width
1628	* \param height Block height
1629	* \param eTType plane type / luminance or chrominance
1630	* \param uiScanIdx scan type (zig-zag, hor, ver)
1631	* This method encodes the X and Y component within a block of the last significant coefficient.
1632	*/
1633	Void TEncSbac::codeLastSignificantXY( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx )
1634	{
1635	// swap
1636	if( uiScanIdx == SCAN_VER )
1637	{
1638	swap( uiPosX, uiPosY );
1639	}
1640
1641	UInt uiCtxLast;
1642	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
1643	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
1644	UInt uiGroupIdxX = g_uiGroupIdx[ uiPosX ];
1645	UInt uiGroupIdxY = g_uiGroupIdx[ uiPosY ];
1646
1647
1648	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
1649	blkSizeOffsetX = eTType ? 0: (g_aucConvertToBit[ width ] *3 + ((g_aucConvertToBit[ width ] +1)>>2));
1650	blkSizeOffsetY = eTType ? 0: (g_aucConvertToBit[ height ]*3 + ((g_aucConvertToBit[ height ]+1)>>2));
1651	shiftX= eTType ? g_aucConvertToBit[ width ] :((g_aucConvertToBit[ width ]+3)>>2);
1652	shiftY= eTType ? g_aucConvertToBit[ height ] :((g_aucConvertToBit[ height ]+3)>>2);
1653	// posX
1654	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxX; uiCtxLast++ )
1655	{
1656	m_pcBinIf->encodeBin( 1, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1657	}
1658	if( uiGroupIdxX < g_uiGroupIdx[ width - 1 ])
1659	{
1660	m_pcBinIf->encodeBin( 0, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1661	}
1662
1663	// posY
1664	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxY; uiCtxLast++ )
1665	{
1666	m_pcBinIf->encodeBin( 1, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1667	}
1668	if( uiGroupIdxY < g_uiGroupIdx[ height - 1 ])
1669	{
1670	m_pcBinIf->encodeBin( 0, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1671	}
1672	if ( uiGroupIdxX > 3 )
1673	{
1674	UInt uiCount = ( uiGroupIdxX - 2 ) >> 1;
1675	uiPosX = uiPosX - g_uiMinInGroup[ uiGroupIdxX ];
1676	for (Int i = uiCount - 1 ; i >= 0; i-- )
1677	{
1678	m_pcBinIf->encodeBinEP( ( uiPosX >> i ) & 1 );
1679	}
1680	}
1681	if ( uiGroupIdxY > 3 )
1682	{
1683	UInt uiCount = ( uiGroupIdxY - 2 ) >> 1;
1684	uiPosY = uiPosY - g_uiMinInGroup[ uiGroupIdxY ];
1685	for ( Int i = uiCount - 1 ; i >= 0; i-- )
1686	{
1687	m_pcBinIf->encodeBinEP( ( uiPosY >> i ) & 1 );
1688	}
1689	}
1690	}
1691
1692	Void TEncSbac::codeCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType )
1693	{
1694	#if !H_MV_ENC_DEC_TRAC
1695	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1696	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1697	DTRACE_CABAC_V( eTType )
1698	DTRACE_CABAC_T( "\twidth=" )
1699	DTRACE_CABAC_V( uiWidth )
1700	DTRACE_CABAC_T( "\theight=" )
1701	DTRACE_CABAC_V( uiHeight )
1702	DTRACE_CABAC_T( "\tdepth=" )
1703	DTRACE_CABAC_V( uiDepth )
1704	DTRACE_CABAC_T( "\tabspartidx=" )
1705	DTRACE_CABAC_V( uiAbsPartIdx )
1706	DTRACE_CABAC_T( "\ttoCU-X=" )
1707	DTRACE_CABAC_V( pcCU->getCUPelX() )
1708	DTRACE_CABAC_T( "\ttoCU-Y=" )
1709	DTRACE_CABAC_V( pcCU->getCUPelY() )
1710	DTRACE_CABAC_T( "\tCU-addr=" )
1711	DTRACE_CABAC_V( pcCU->getAddr() )
1712	DTRACE_CABAC_T( "\tinCU-X=" )
1713	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1714	DTRACE_CABAC_T( "\tinCU-Y=" )
1715	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1716	DTRACE_CABAC_T( "\tpredmode=" )
1717	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1718	DTRACE_CABAC_T( "\n" )
1719	#endif
1720	if( uiWidth > m_pcSlice->getSPS()->getMaxTrSize() )
1721	{
1722	uiWidth = m_pcSlice->getSPS()->getMaxTrSize();
1723	uiHeight = m_pcSlice->getSPS()->getMaxTrSize();
1724	}
1725
1726	UInt uiNumSig = 0;
1727
1728	// compute number of significant coefficients
1729	uiNumSig = TEncEntropy::countNonZeroCoeffs(pcCoef, uiWidth * uiHeight);
1730
1731	if ( uiNumSig == 0 )
1732	return;
1733	if(pcCU->getSlice()->getPPS()->getUseTransformSkip())
1734	{
1735	codeTransformSkipFlags( pcCU,uiAbsPartIdx, uiWidth, uiHeight, eTType );
1736	}
1737	eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA );
1738
1739	//----- encode significance map -----
1740	const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2;
1741	UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx));
1742	const UInt *scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize - 1 ];
1743
1744	Bool beValid;
1745	if (pcCU->getCUTransquantBypass(uiAbsPartIdx))
1746	{
1747	beValid = false;
1748	}
1749	else
1750	{
1751	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1752	}
1753
1754	// Find position of last coefficient
1755	Int scanPosLast = -1;
1756	Int posLast;
1757
1758	const UInt * scanCG;
1759	{
1760	scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ];
1761	if( uiLog2BlockSize == 3 )
1762	{
1763	scanCG = g_sigLastScan8x8[ uiScanIdx ];
1764	}
1765	else if( uiLog2BlockSize == 5 )
1766	{
1767	scanCG = g_sigLastScanCG32x32;
1768	}
1769	}
1770	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1771	static const UInt uiShift = MLS_CG_SIZE >> 1;
1772	const UInt uiNumBlkSide = uiWidth >> uiShift;
1773
1774	::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1775
1776	do
1777	{
1778	posLast = scan[ ++scanPosLast ];
1779
1780	// get L1 sig map
1781	UInt uiPosY = posLast >> uiLog2BlockSize;
1782	UInt uiPosX = posLast - ( uiPosY << uiLog2BlockSize );
1783	UInt uiBlkIdx = uiNumBlkSide * (uiPosY >> uiShift) + (uiPosX >> uiShift);
1784	if( pcCoef[ posLast ] )
1785	{
1786	uiSigCoeffGroupFlag[ uiBlkIdx ] = 1;
1787	}
1788
1789	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1790	}
1791	while ( uiNumSig > 0 );
1792
1793	// Code position of last coefficient
1794	Int posLastY = posLast >> uiLog2BlockSize;
1795	Int posLastX = posLast - ( posLastY << uiLog2BlockSize );
1796	codeLastSignificantXY(posLastX, posLastY, uiWidth, uiHeight, eTType, uiScanIdx);
1797
1798	//===== code significance flag =====
1799	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType );
1800	ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA;
1801
1802
1803	const Int iLastScanSet = scanPosLast >> LOG2_SCAN_SET_SIZE;
1804	UInt c1 = 1;
1805	UInt uiGoRiceParam = 0;
1806	Int iScanPosSig = scanPosLast;
1807
1808	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1809	{
1810	Int numNonZero = 0;
1811	Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE;
1812	uiGoRiceParam = 0;
1813	Int absCoeff[16];
1814	UInt coeffSigns = 0;
1815
1816	Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE;
1817
1818	if( iScanPosSig == scanPosLast )
1819	{
1820	absCoeff[ 0 ] = abs( pcCoef[ posLast ] );
1821	coeffSigns = ( pcCoef[ posLast ] < 0 );
1822	numNonZero = 1;
1823	lastNZPosInCG = iScanPosSig;
1824	firstNZPosInCG = iScanPosSig;
1825	iScanPosSig--;
1826	}
1827
1828	// encode significant_coeffgroup_flag
1829	Int iCGBlkPos = scanCG[ iSubSet ];
1830	Int iCGPosY = iCGBlkPos / uiNumBlkSide;
1831	Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide);
1832	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1833	{
1834	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1835	}
1836	else
1837	{
1838	UInt uiSigCoeffGroup = (uiSigCoeffGroupFlag[ iCGBlkPos ] != 0);
1839	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1840	m_pcBinIf->encodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1841	}
1842
1843	// encode significant_coeff_flag
1844	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1845	{
1846	Int patternSigCtx = TComTrQuant::calcPatternSigCtx( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1847	UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig;
1848	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1849	{
1850	uiBlkPos = scan[ iScanPosSig ];
1851	uiPosY = uiBlkPos >> uiLog2BlockSize;
1852	uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1853	uiSig = (pcCoef[ uiBlkPos ] != 0);
1854	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1855	{
1856	uiCtxSig = TComTrQuant::getSigCtxInc( patternSigCtx, uiScanIdx, uiPosX, uiPosY, uiLog2BlockSize, eTType );
1857	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1858	}
1859	if( uiSig )
1860	{
1861	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1862	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1863	numNonZero++;
1864	if( lastNZPosInCG == -1 )
1865	{
1866	lastNZPosInCG = iScanPosSig;
1867	}
1868	firstNZPosInCG = iScanPosSig;
1869	}
1870	}
1871	}
1872	else
1873	{
1874	iScanPosSig = iSubPos - 1;
1875	}
1876
1877	if( numNonZero > 0 )
1878	{
1879	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= SBH_THRESHOLD );
1880	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0;
1881
1882	if( c1 == 0 )
1883	{
1884	uiCtxSet++;
1885	}
1886	c1 = 1;
1887	ContextModel baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet;
1888
1889	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
1890	Int firstC2FlagIdx = -1;
1891	for( Int idx = 0; idx < numC1Flag; idx++ )
1892	{
1893	UInt uiSymbol = absCoeff[ idx ] > 1;
1894	m_pcBinIf->encodeBin( uiSymbol, baseCtxMod[c1] );
1895	if( uiSymbol )
1896	{
1897	c1 = 0;
1898
1899	if (firstC2FlagIdx == -1)
1900	{
1901	firstC2FlagIdx = idx;
1902	}
1903	}
1904	else if( (c1 < 3) && (c1 > 0) )
1905	{
1906	c1++;
1907	}
1908	}
1909
1910	if (c1 == 0)
1911	{
1912
1913	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet;
1914	if ( firstC2FlagIdx != -1)
1915	{
1916	UInt symbol = absCoeff[ firstC2FlagIdx ] > 2;
1917	m_pcBinIf->encodeBin( symbol, baseCtxMod[0] );
1918	}
1919	}
1920
1921	if( beValid && signHidden )
1922	{
1923	m_pcBinIf->encodeBinsEP( (coeffSigns >> 1), numNonZero-1 );
1924	}
1925	else
1926	{
1927	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
1928	}
1929
1930	Int iFirstCoeff2 = 1;
1931	if (c1 == 0 \|\| numNonZero > C1FLAG_NUMBER)
1932	{
1933	for ( Int idx = 0; idx < numNonZero; idx++ )
1934	{
1935	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1;
1936
1937	if( absCoeff[ idx ] >= baseLevel)
1938	{
1939	xWriteCoefRemainExGolomb( absCoeff[ idx ] - baseLevel, uiGoRiceParam );
1940	if(absCoeff[idx] > 3*(1<<uiGoRiceParam))
1941	{
1942	uiGoRiceParam = min<UInt>(uiGoRiceParam+ 1, 4);
1943	}
1944	}
1945	if(absCoeff[ idx ] >= 2)
1946	{
1947	iFirstCoeff2 = 0;
1948	}
1949	}
1950	}
1951	}
1952	}
1953
1954	return;
1955	}
1956
1957	/** code SAO offset sign
1958	* \param code sign value
1959	*/
1960	Void TEncSbac::codeSAOSign( UInt code )
1961	{
1962	m_pcBinIf->encodeBinEP( code );
1963	}
1964
1965	Void TEncSbac::codeSaoMaxUvlc ( UInt code, UInt maxSymbol )
1966	{
1967	if (maxSymbol == 0)
1968	{
1969	return;
1970	}
1971
1972	Int i;
1973	Bool bCodeLast = ( maxSymbol > code );
1974
1975	if ( code == 0 )
1976	{
1977	m_pcBinIf->encodeBinEP( 0 );
1978	}
1979	else
1980	{
1981	m_pcBinIf->encodeBinEP( 1 );
1982	for ( i=0; i<code-1; i++ )
1983	{
1984	m_pcBinIf->encodeBinEP( 1 );
1985	}
1986	if( bCodeLast )
1987	{
1988	m_pcBinIf->encodeBinEP( 0 );
1989	}
1990	}
1991	}
1992
1993
1994	/** Code SAO EO class or BO band position
1995	* \param uiLength
1996	* \param uiCode
1997	*/
1998	Void TEncSbac::codeSaoUflc ( UInt uiLength, UInt uiCode )
1999	{
2000	m_pcBinIf->encodeBinsEP ( uiCode, uiLength );
2001	}
2002	/** Code SAO merge flags
2003	* \param uiCode
2004	* \param uiCompIdx
2005	*/
2006	Void TEncSbac::codeSaoMerge ( UInt uiCode )
2007	{
2008	if (uiCode == 0)
2009	{
2010	m_pcBinIf->encodeBin(0, m_cSaoMergeSCModel.get( 0, 0, 0 ));
2011	}
2012	else
2013	{
2014	m_pcBinIf->encodeBin(1, m_cSaoMergeSCModel.get( 0, 0, 0 ));
2015	}
2016	}
2017	/** Code SAO type index
2018	* \param uiCode
2019	*/
2020	Void TEncSbac::codeSaoTypeIdx ( UInt uiCode)
2021	{
2022	if (uiCode == 0)
2023	{
2024	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2025	}
2026	else
2027	{
2028	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2029	m_pcBinIf->encodeBinEP( uiCode <= 4 ? 1 : 0 );
2030	}
2031	}
2032	/*!
2033	****************************************************************************
2034	* \brief
2035	* estimate bit cost for CBP, significant map and significant coefficients
2036	****************************************************************************
2037	*/
2038	Void TEncSbac::estBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2039	{
2040	estCBFBit( pcEstBitsSbac );
2041
2042	estSignificantCoeffGroupMapBit( pcEstBitsSbac, eTType );
2043
2044	// encode significance map
2045	estSignificantMapBit( pcEstBitsSbac, width, height, eTType );
2046
2047	// encode significant coefficients
2048	estSignificantCoefficientsBit( pcEstBitsSbac, eTType );
2049	}
2050
2051	/*!
2052	****************************************************************************
2053	* \brief
2054	* estimate bit cost for each CBP bit
2055	****************************************************************************
2056	*/
2057	Void TEncSbac::estCBFBit( estBitsSbacStruct* pcEstBitsSbac )
2058	{
2059	ContextModel *pCtx = m_cCUQtCbfSCModel.get( 0 );
2060
2061	for( UInt uiCtxInc = 0; uiCtxInc < 3*NUM_QT_CBF_CTX; uiCtxInc++ )
2062	{
2063	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2064	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2065	}
2066
2067	pCtx = m_cCUQtRootCbfSCModel.get( 0 );
2068
2069	for( UInt uiCtxInc = 0; uiCtxInc < 4; uiCtxInc++ )
2070	{
2071	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2072	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2073	}
2074	}
2075
2076
2077	/*!
2078	****************************************************************************
2079	* \brief
2080	* estimate SAMBAC bit cost for significant coefficient group map
2081	****************************************************************************
2082	*/
2083	Void TEncSbac::estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, TextType eTType )
2084	{
2085	Int firstCtx = 0, numCtx = NUM_SIG_CG_FLAG_CTX;
2086
2087	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2088	{
2089	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2090	{
2091	pcEstBitsSbac->significantCoeffGroupBits[ ctxIdx ][ uiBin ] = m_cCUSigCoeffGroupSCModel.get( 0, eTType, ctxIdx ).getEntropyBits( uiBin );
2092	}
2093	}
2094	}
2095
2096
2097	/*!
2098	****************************************************************************
2099	* \brief
2100	* estimate SAMBAC bit cost for significant coefficient map
2101	****************************************************************************
2102	*/
2103	Void TEncSbac::estSignificantMapBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2104	{
2105	Int firstCtx = 1, numCtx = 8;
2106	if (max(width, height) >= 16)
2107	{
2108	firstCtx = (eTType == TEXT_LUMA) ? 21 : 12;
2109	numCtx = (eTType == TEXT_LUMA) ? 6 : 3;
2110	}
2111	else if (width == 8)
2112	{
2113	firstCtx = 9;
2114	numCtx = (eTType == TEXT_LUMA) ? 12 : 3;
2115	}
2116
2117	if (eTType == TEXT_LUMA )
2118	{
2119	for( UInt bin = 0; bin < 2; bin++ )
2120	{
2121	pcEstBitsSbac->significantBits[ 0 ][ bin ] = m_cCUSigSCModel.get( 0, 0, 0 ).getEntropyBits( bin );
2122	}
2123
2124	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2125	{
2126	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2127	{
2128	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, ctxIdx ).getEntropyBits( uiBin );
2129	}
2130	}
2131	}
2132	else
2133	{
2134	for( UInt bin = 0; bin < 2; bin++ )
2135	{
2136	pcEstBitsSbac->significantBits[ 0 ][ bin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + 0 ).getEntropyBits( bin );
2137	}
2138	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2139	{
2140	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2141	{
2142	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + ctxIdx ).getEntropyBits( uiBin );
2143	}
2144	}
2145	}
2146	Int iBitsX = 0, iBitsY = 0;
2147	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
2148
2149	blkSizeOffsetX = eTType ? 0: (g_aucConvertToBit[ width ] *3 + ((g_aucConvertToBit[ width ] +1)>>2));
2150	blkSizeOffsetY = eTType ? 0: (g_aucConvertToBit[ height ]*3 + ((g_aucConvertToBit[ height ]+1)>>2));
2151	shiftX = eTType ? g_aucConvertToBit[ width ] :((g_aucConvertToBit[ width ]+3)>>2);
2152	shiftY = eTType ? g_aucConvertToBit[ height ] :((g_aucConvertToBit[ height ]+3)>>2);
2153
2154	Int ctx;
2155	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
2156	for (ctx = 0; ctx < g_uiGroupIdx[ width - 1 ]; ctx++)
2157	{
2158	Int ctxOffset = blkSizeOffsetX + (ctx >>shiftX);
2159	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffset ].getEntropyBits( 0 );
2160	iBitsX += pCtxX[ ctxOffset ].getEntropyBits( 1 );
2161	}
2162	pcEstBitsSbac->lastXBits[ctx] = iBitsX;
2163	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
2164	for (ctx = 0; ctx < g_uiGroupIdx[ height - 1 ]; ctx++)
2165	{
2166	Int ctxOffset = blkSizeOffsetY + (ctx >>shiftY);
2167	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffset ].getEntropyBits( 0 );
2168	iBitsY += pCtxY[ ctxOffset ].getEntropyBits( 1 );
2169	}
2170	pcEstBitsSbac->lastYBits[ctx] = iBitsY;
2171	}
2172
2173	/*!
2174	****************************************************************************
2175	* \brief
2176	* estimate bit cost of significant coefficient
2177	****************************************************************************
2178	*/
2179	Void TEncSbac::estSignificantCoefficientsBit( estBitsSbacStruct* pcEstBitsSbac, TextType eTType )
2180	{
2181	if (eTType==TEXT_LUMA)
2182	{
2183	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0);
2184	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0);
2185
2186	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_LUMA; ctxIdx++)
2187	{
2188	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2189	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2190	}
2191
2192	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_LUMA; ctxIdx++)
2193	{
2194	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2195	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2196	}
2197	}
2198	else
2199	{
2200	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0) + NUM_ONE_FLAG_CTX_LUMA;
2201	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0) + NUM_ABS_FLAG_CTX_LUMA;
2202
2203	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_CHROMA; ctxIdx++)
2204	{
2205	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2206	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2207	}
2208
2209	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_CHROMA; ctxIdx++)
2210	{
2211	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2212	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2213	}
2214	}
2215	}
2216
2217	/**
2218	- Initialize our context information from the nominated source.
2219	.
2220	\param pSrc From where to copy context information.
2221	*/
2222	Void TEncSbac::xCopyContextsFrom( TEncSbac* pSrc )
2223	{
2224	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2225	}
2226
2227	Void TEncSbac::loadContexts ( TEncSbac* pScr)
2228	{
2229	this->xCopyContextsFrom(pScr);
2230	}
2231
2232	#if LGE_INTER_SDC_E0156
2233	Void TEncSbac::codeInterSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
2234	{
2235	UInt uiSymbol = pcCU->getInterSDCFlag( uiAbsPartIdx ) ? 1 : 0;
2236	UInt uiCtxInterSDCFlag = pcCU->getCtxInterSDCFlag( uiAbsPartIdx );
2237
2238	m_pcBinIf->encodeBin( uiSymbol, m_cInterSDCFlagSCModel.get( 0, 0, uiCtxInterSDCFlag ) );
2239	}
2240
2241	Void TEncSbac::codeInterSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiSegment )
2242	{
2243	Pel segmentDCOffset = pcCU->getInterSDCSegmentDCOffset( uiSegment, uiAbsPartIdx );
2244
2245	UInt uiSign = segmentDCOffset < 0 ? 1 : 0;
2246	UInt uiAbsIdx = abs( segmentDCOffset );
2247
2248	assert( uiAbsIdx > 0 );
2249	uiAbsIdx--;
2250	xWriteExGolombLevel( uiAbsIdx, m_cInterSDCResidualSCModel.get( 0, 0, 0 ) );
2251	m_pcBinIf->encodeBin( uiSign, m_cInterSDCResidualSignFlagSCModel.get( 0, 0, 0 ) );
2252	}
2253	#endif
2254	//! \}

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source: 3DVCSoftware/branches/HTM-DEV-2.0-dev2-LG/source/Lib/TLibEncoder/TEncSbac.cpp

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