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TEncSbac.cpp @ 584

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

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source: 3DVCSoftware/branches/HTM-DEV-2.0-dev2-MediaTek/source/Lib/TLibEncoder/TEncSbac.cpp @ 584

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