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TEncSbac.cpp @ 881

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Last change on this file since 881 was 881, checked in by tech, 10 years ago
Cleanups part 6.
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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) 2010-2014, 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_cSaoMergeSCModel ( 1, 1, NUM_SAO_MERGE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
87	, m_cSaoTypeIdxSCModel ( 1, 1, NUM_SAO_TYPE_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
88	, m_cTransformSkipSCModel ( 1, 2, NUM_TRANSFORMSKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
89	, m_CUTransquantBypassFlagSCModel( 1, 1, NUM_CU_TRANSQUANT_BYPASS_FLAG_CTX, m_contextModels + m_numContextModels, m_numContextModels)
90	#if H_3D_DIM
91	, m_cDepthIntraModeSCModel ( 1, 1, NUM_DEPTH_INTRA_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
92	, m_cDdcFlagSCModel ( 1, 1, NUM_DDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
93	, m_cDdcDataSCModel ( 1, 1, NUM_DDC_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
94	, m_cAngleFlagSCModel ( 1, 1, NUM_ANGLE_FLAG_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	#endif
98	#if H_3D_DIM_SDC
99	, m_cSDCResidualFlagSCModel ( 1, 1, SDC_NUM_RESIDUAL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
100	, m_cSDCResidualSCModel ( 1, 1, SDC_NUM_RESIDUAL_CTX , m_contextModels + m_numContextModels, m_numContextModels)
101	#endif
102	#endif
103	#if H_3D_DIM_SDC
104	, m_cSDCFlagSCModel ( 1, 1, NUM_SDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
105	#endif
106	#if H_3D_DBBP
107	, m_cDBBPFlagSCModel ( 1, 1, DBBP_NUM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
108	#endif
109	{
110	assert( m_numContextModels <= MAX_NUM_CTX_MOD );
111	}
112
113	TEncSbac::~TEncSbac()
114	{
115	}
116
117	// ====================================================================================================================
118	// Public member functions
119	// ====================================================================================================================
120
121	Void TEncSbac::resetEntropy ()
122	{
123	Int iQp = m_pcSlice->getSliceQp();
124	SliceType eSliceType = m_pcSlice->getSliceType();
125
126	Int encCABACTableIdx = m_pcSlice->getPPS()->getEncCABACTableIdx();
127	if (!m_pcSlice->isIntra() && (encCABACTableIdx==B_SLICE \|\| encCABACTableIdx==P_SLICE) && m_pcSlice->getPPS()->getCabacInitPresentFlag())
128	{
129	eSliceType = (SliceType) encCABACTableIdx;
130	}
131
132	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
133
134	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
135	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
136	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
137	#if H_3D_ARP
138	m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW );
139	#endif
140	#if H_3D_IC
141	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
142	#endif
143	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
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	m_cAngleFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ANGLE_FLAG );
171	#if H_3D_DIM_DMM
172	m_cDmm1DataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM1_DATA );
173	#endif
174	#if H_3D_DIM_SDC
175	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
176	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
177	#endif
178	#endif
179	#if H_3D_DIM_SDC
180	m_cSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_FLAG );
181	#endif
182	#if H_3D_DBBP
183	m_cDBBPFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DBBP_FLAG );
184	#endif
185	// new structure
186	m_uiLastQp = iQp;
187
188	m_pcBinIf->start();
189
190	return;
191	}
192
193	/** The function does the following:
194	* If current slice type is P/B then it determines the distance of initialisation type 1 and 2 from the current CABAC states and
195	* stores the index of the closest table. This index is used for the next P/B slice when cabac_init_present_flag is true.
196	*/
197	Void TEncSbac::determineCabacInitIdx()
198	{
199	Int qp = m_pcSlice->getSliceQp();
200
201	if (!m_pcSlice->isIntra())
202	{
203	SliceType aSliceTypeChoices[] = {B_SLICE, P_SLICE};
204
205	UInt bestCost = MAX_UINT;
206	SliceType bestSliceType = aSliceTypeChoices[0];
207	for (UInt idx=0; idx<2; idx++)
208	{
209	UInt curCost = 0;
210	SliceType curSliceType = aSliceTypeChoices[idx];
211
212	curCost = m_cCUSplitFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SPLIT_FLAG );
213	curCost += m_cCUSkipFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SKIP_FLAG );
214	curCost += m_cCUMergeFlagExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT);
215	curCost += m_cCUMergeIdxExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_IDX_EXT);
216	#if H_3D_ARP
217	curCost += m_cCUPUARPWSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ARPW );
218	#endif
219	#if H_3D_IC
220	curCost += m_cCUICFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_IC_FLAG );
221	#endif
222	#if H_3D_DIM_SDC
223	curCost += m_cSDCFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SDC_FLAG );
224	#endif
225	#if H_3D_DBBP
226	curCost += m_cDBBPFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DBBP_FLAG );
227	#endif
228	curCost += m_cCUPartSizeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PART_SIZE );
229	curCost += m_cCUPredModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PRED_MODE );
230	curCost += m_cCUIntraPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTRA_PRED_MODE );
231	curCost += m_cCUChromaPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE );
232	curCost += m_cCUInterDirSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_DIR );
233	curCost += m_cCUMvdSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVD );
234	curCost += m_cCURefPicSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_REF_PIC );
235	curCost += m_cCUDeltaQpSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DQP );
236	curCost += m_cCUQtCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_CBF );
237	curCost += m_cCUQtRootCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_ROOT_CBF );
238	curCost += m_cCUSigCoeffGroupSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_CG_FLAG );
239	curCost += m_cCUSigSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_FLAG );
240	curCost += m_cCuCtxLastX.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
241	curCost += m_cCuCtxLastY.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
242	curCost += m_cCUOneSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ONE_FLAG );
243	curCost += m_cCUAbsSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ABS_FLAG );
244	curCost += m_cMVPIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVP_IDX );
245	curCost += m_cCUTransSubdivFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
246	curCost += m_cSaoMergeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_MERGE_FLAG );
247	curCost += m_cSaoTypeIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_TYPE_IDX );
248	curCost += m_cTransformSkipSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
249	curCost += m_CUTransquantBypassFlagSCModel.calcCost( curSliceType, qp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
250	#if H_3D_DIM
251	if( m_pcSlice->getVpsDepthModesFlag() )
252	{
253	curCost += m_cDepthIntraModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DEPTH_INTRA_MODE );
254	curCost += m_cDdcFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DDC_FLAG );
255	curCost += m_cDdcDataSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DDC_DATA );
256	curCost += m_cAngleFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ANGLE_FLAG );
257	#if H_3D_DIM_DMM
258	curCost += m_cDmm1DataSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DMM1_DATA );
259	#endif
260	}
261	#endif
262	if (curCost < bestCost)
263	{
264	bestSliceType = curSliceType;
265	bestCost = curCost;
266	}
267	}
268	m_pcSlice->getPPS()->setEncCABACTableIdx( bestSliceType );
269	}
270	else
271	{
272	m_pcSlice->getPPS()->setEncCABACTableIdx( I_SLICE );
273	}
274	}
275
276
277	/** The function does the followng: Write out terminate bit. Flush CABAC. Intialize CABAC states. Start CABAC.
278	*/
279	Void TEncSbac::updateContextTables( SliceType eSliceType, Int iQp, Bool bExecuteFinish )
280	{
281	m_pcBinIf->encodeBinTrm(1);
282	if (bExecuteFinish) m_pcBinIf->finish();
283	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
284
285	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
286	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
287	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
288	#if H_3D_ARP
289	m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW );
290	#endif
291	#if H_3D_IC
292	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
293	#endif
294	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
295	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
296	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
297	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
298	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
299	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
300	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
301	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
302	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
303	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
304	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
305	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
306	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
307	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
308	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
309	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
310	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
311	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
312	m_cSaoMergeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_FLAG );
313	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
314	m_cTransformSkipSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
315	m_CUTransquantBypassFlagSCModel.initBuffer( eSliceType, iQp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
316	#if H_3D_DIM
317	m_cDepthIntraModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DEPTH_INTRA_MODE );
318	m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG );
319	m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA );
320	m_cAngleFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ANGLE_FLAG );
321	#if H_3D_DIM_DMM
322	m_cDmm1DataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM1_DATA );
323	#endif
324	#if H_3D_DIM_SDC
325	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
326	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
327	#endif
328	#endif
329	#if H_3D_DIM_SDC
330	m_cSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_FLAG );
331	#endif
332	#if H_3D_DBBP
333	m_cDBBPFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DBBP_FLAG );
334	#endif
335	m_pcBinIf->start();
336	}
337
338	Void TEncSbac::codeVPS( TComVPS* pcVPS )
339	{
340	assert (0);
341	return;
342	}
343
344	#if H_3D
345	Void TEncSbac::codeSPS( TComSPS* pcSPS, Int viewIndex, Bool depthFlag )
346	#else
347	Void TEncSbac::codeSPS( TComSPS* pcSPS )
348	#endif
349	{
350	assert (0);
351	return;
352	}
353
354	Void TEncSbac::codePPS( TComPPS* pcPPS )
355	{
356	assert (0);
357	return;
358	}
359
360	Void TEncSbac::codeSliceHeader( TComSlice* pcSlice )
361	{
362	assert (0);
363	return;
364	}
365
366	Void TEncSbac::codeTilesWPPEntryPoint( TComSlice* pSlice )
367	{
368	assert (0);
369	return;
370	}
371
372	Void TEncSbac::codeTerminatingBit( UInt uilsLast )
373	{
374	m_pcBinIf->encodeBinTrm( uilsLast );
375	}
376
377	Void TEncSbac::codeSliceFinish()
378	{
379	m_pcBinIf->finish();
380	}
381
382	Void TEncSbac::xWriteUnarySymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset )
383	{
384	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[0] );
385
386	if( 0 == uiSymbol)
387	{
388	return;
389	}
390
391	while( uiSymbol-- )
392	{
393	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ iOffset ] );
394	}
395
396	return;
397	}
398
399	Void TEncSbac::xWriteUnaryMaxSymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol )
400	{
401	if (uiMaxSymbol == 0)
402	{
403	return;
404	}
405
406	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ 0 ] );
407
408	if ( uiSymbol == 0 )
409	{
410	return;
411	}
412
413	Bool bCodeLast = ( uiMaxSymbol > uiSymbol );
414
415	while( --uiSymbol )
416	{
417	m_pcBinIf->encodeBin( 1, pcSCModel[ iOffset ] );
418	}
419	if( bCodeLast )
420	{
421	m_pcBinIf->encodeBin( 0, pcSCModel[ iOffset ] );
422	}
423
424	return;
425	}
426
427	Void TEncSbac::xWriteEpExGolomb( UInt uiSymbol, UInt uiCount )
428	{
429	UInt bins = 0;
430	Int numBins = 0;
431
432	while( uiSymbol >= (UInt)(1<<uiCount) )
433	{
434	bins = 2 * bins + 1;
435	numBins++;
436	uiSymbol -= 1 << uiCount;
437	uiCount ++;
438	}
439	bins = 2 * bins + 0;
440	numBins++;
441
442	bins = (bins << uiCount) \| uiSymbol;
443	numBins += uiCount;
444
445	assert( numBins <= 32 );
446	m_pcBinIf->encodeBinsEP( bins, numBins );
447	}
448
449	/** Coding of coeff_abs_level_minus3
450	* \param uiSymbol value of coeff_abs_level_minus3
451	* \param ruiGoRiceParam reference to Rice parameter
452	* \returns Void
453	*/
454	Void TEncSbac::xWriteCoefRemainExGolomb ( UInt symbol, UInt &rParam )
455	{
456	Int codeNumber = (Int)symbol;
457	UInt length;
458	if (codeNumber < (COEF_REMAIN_BIN_REDUCTION << rParam))
459	{
460	length = codeNumber>>rParam;
461	m_pcBinIf->encodeBinsEP( (1<<(length+1))-2 , length+1);
462	m_pcBinIf->encodeBinsEP((codeNumber%(1<<rParam)),rParam);
463	}
464	else
465	{
466	length = rParam;
467	codeNumber = codeNumber - ( COEF_REMAIN_BIN_REDUCTION << rParam);
468	while (codeNumber >= (1<<length))
469	{
470	codeNumber -= (1<<(length++));
471	}
472	m_pcBinIf->encodeBinsEP((1<<(COEF_REMAIN_BIN_REDUCTION+length+1-rParam))-2,COEF_REMAIN_BIN_REDUCTION+length+1-rParam);
473	m_pcBinIf->encodeBinsEP(codeNumber,length);
474	}
475	}
476
477	#if H_3D_DIM
478	Void TEncSbac::xWriteExGolombLevel( UInt uiSymbol, ContextModel& rcSCModel )
479	{
480	if( uiSymbol )
481	{
482	m_pcBinIf->encodeBin( 1, rcSCModel );
483	UInt uiCount = 0;
484	Bool bNoExGo = (uiSymbol < 13);
485
486	while( --uiSymbol && ++uiCount < 13 )
487	{
488	m_pcBinIf->encodeBin( 1, rcSCModel );
489	}
490	if( bNoExGo )
491	{
492	m_pcBinIf->encodeBin( 0, rcSCModel );
493	}
494	else
495	{
496	xWriteEpExGolomb( uiSymbol, 0 );
497	}
498	}
499	else
500	{
501	m_pcBinIf->encodeBin( 0, rcSCModel );
502	}
503
504	return;
505	}
506
507	Void TEncSbac::xCodeDimDeltaDC( Pel valDeltaDC, UInt uiNumSeg )
508	{
509	xWriteExGolombLevel( UInt( abs( valDeltaDC ) - ( uiNumSeg > 1 ? 0 : 1 ) ), m_cDdcDataSCModel.get(0, 0, 0) );
510	if( valDeltaDC != 0 )
511	{
512	UInt uiSign = valDeltaDC > 0 ? 0 : 1;
513	m_pcBinIf->encodeBinEP( uiSign );
514	}
515	}
516
517	#if H_3D_DIM_DMM
518	Void TEncSbac::xCodeDmm1WedgeIdx( UInt uiTabIdx, Int iNumBit )
519	{
520	for ( Int i = 0; i < iNumBit; i++ )
521	{
522	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmm1DataSCModel.get(0, 0, 0) );
523	}
524	}
525
526	#endif
527
528	#if H_3D_DIM_SDC
529	Void TEncSbac::xCodeSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiSegment )
530	{
531	assert( pcCU->getSlice()->getIsDepth() );
532	assert( pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N );
533	assert( pcCU->getSDCFlag(uiAbsPartIdx) );
534	assert( uiSegment < 2 );
535
536	Pel segmentDCOffset = pcCU->getSDCSegmentDCOffset(uiSegment, uiAbsPartIdx);
537
538	UInt uiResidual = segmentDCOffset == 0 ? 0 : 1;
539	UInt uiSign = segmentDCOffset < 0 ? 1 : 0;
540	UInt uiAbsIdx = abs(segmentDCOffset);
541
542	#if H_3D_DIM_DLT
543	UInt uiMaxResidualBits = pcCU->getSlice()->getPPS()->getDLT()->getBitsPerDepthValue( pcCU->getSlice()->getLayerIdInVps() );
544	#else
545	UInt uiMaxResidualBits = g_bitDepthY;
546	#endif
547	assert( uiMaxResidualBits <= g_bitDepthY );
548
549	// residual flag
550	m_pcBinIf->encodeBin( uiResidual, m_cSDCResidualFlagSCModel.get( 0, 0, 0 ) );
551	#if H_MV_ENC_DEC_TRAC
552	DTRACE_CU("sdc_residual_flag[i]", uiResidual)
553	#endif
554
555	if (uiResidual)
556	{
557	// encode sign bit of residual
558	m_pcBinIf->encodeBinEP( uiSign );
559	#if H_MV_ENC_DEC_TRAC
560	DTRACE_CU("sdc_residual_sign_flag[i]", uiSign)
561	#endif
562	#if H_3D_DIM_DLT
563	UInt uiNumDepthValues = pcCU->getSlice()->getPPS()->getDLT()->getNumDepthValues( pcCU->getSlice()->getLayerIdInVps() );
564	#else
565	UInt uiNumDepthValues = ((1 << g_bitDepthY)-1);
566	#endif
567
568	assert(uiAbsIdx <= uiNumDepthValues);
569
570	// encode residual magnitude
571	uiAbsIdx -= 1;
572
573	#if H_MV_ENC_DEC_TRAC
574	DTRACE_CU("sdc_residual_abs_minus1[i]", uiAbsIdx)
575	#endif
576
577	// prefix part
578	if ( uiAbsIdx == 0 )
579	{
580	m_pcBinIf->encodeBin( 0, m_cSDCResidualSCModel.get(0, 0, 0) );
581	}
582	else
583	{
584	UInt l = uiAbsIdx;
585	UInt k = 0;
586	UInt uiPrefixThreshold = ((uiNumDepthValues * 3) >> 2);
587	while ( l > 0 && k < uiPrefixThreshold )
588	{
589	m_pcBinIf->encodeBin( 1, m_cSDCResidualSCModel.get(0, 0, 0) );
590	l--;
591	k++;
592	}
593	if ( uiAbsIdx < uiPrefixThreshold )
594	{
595	m_pcBinIf->encodeBin( 0, m_cSDCResidualSCModel.get(0, 0, 0) );
596	}
597	else
598	{ // suffix part
599	uiAbsIdx -= uiPrefixThreshold;
600	UInt uiSuffixLength = numBitsForValue(uiNumDepthValues - uiPrefixThreshold);
601	UInt uiBitInfo = 0;
602	for ( Int i = 0; i < uiSuffixLength; i++)
603	{
604	uiBitInfo = ( uiAbsIdx & ( 1 << i ) ) >> i;
605	m_pcBinIf->encodeBinEP( uiBitInfo);
606	}
607	}
608	}
609
610	}
611	}
612	#endif
613	#endif
614
615	// SBAC RD
616	Void TEncSbac::load ( TEncSbac* pSrc)
617	{
618	this->xCopyFrom(pSrc);
619	}
620
621	Void TEncSbac::loadIntraDirModeLuma( TEncSbac* pSrc)
622	{
623	m_pcBinIf->copyState( pSrc->m_pcBinIf );
624
625	this->m_cCUIntraPredSCModel .copyFrom( &pSrc->m_cCUIntraPredSCModel );
626	}
627	#if H_3D_DIM
628	Void TEncSbac::loadIntraDepthMode( TEncSbac* pSrc)
629	{
630	m_pcBinIf->copyState( pSrc->m_pcBinIf );
631
632	this->m_cDepthIntraModeSCModel .copyFrom( &pSrc->m_cDepthIntraModeSCModel );
633	this->m_cDdcFlagSCModel .copyFrom( &pSrc->m_cDdcFlagSCModel );
634	this->m_cAngleFlagSCModel .copyFrom( &pSrc->m_cAngleFlagSCModel );
635	}
636	#endif
637
638	Void TEncSbac::store( TEncSbac* pDest)
639	{
640	pDest->xCopyFrom( this );
641	}
642
643
644	Void TEncSbac::xCopyFrom( TEncSbac* pSrc )
645	{
646	m_pcBinIf->copyState( pSrc->m_pcBinIf );
647
648	this->m_uiCoeffCost = pSrc->m_uiCoeffCost;
649	this->m_uiLastQp = pSrc->m_uiLastQp;
650
651	memcpy( m_contextModels, pSrc->m_contextModels, m_numContextModels * sizeof( ContextModel ) );
652	}
653
654	Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
655	{
656	Int iSymbol = pcCU->getMVPIdx(eRefList, uiAbsPartIdx);
657	Int iNum = AMVP_MAX_NUM_CANDS;
658
659	xWriteUnaryMaxSymbol(iSymbol, m_cMVPIdxSCModel.get(0), 1, iNum-1);
660	#if H_MV_ENC_DEC_TRAC
661	#if ENC_DEC_TRACE
662	if ( eRefList == REF_PIC_LIST_0 )
663	{
664	DTRACE_PU("mvp_l0_flag", iSymbol)
665	}
666	else
667	{
668	DTRACE_PU("mvp_l1_flag", iSymbol)
669	}
670	#endif
671	#endif
672	}
673
674	Void TEncSbac::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
675	{
676	PartSize eSize = pcCU->getPartitionSize( uiAbsPartIdx );
677	#if H_3D_QTLPC
678	TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS();
679	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
680	Bool bDepthMapDetect = (pcTexture != NULL);
681	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
682
683	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);
684
685	Bool depthDependent = false;
686	UInt uiTexturePart = eSize;
687	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && sps->getUseQTL() && sps->getUsePC() )
688	{
689	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
690	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
691	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
692	if(pcTextureCU->getDepth(uiCUIdx) == uiDepth )
693	{
694	depthDependent = true;
695	uiTexturePart = pcTextureCU->getPartitionSize( uiCUIdx );
696	}
697	if (pcTextureCU->getDepth(uiCUIdx) == uiDepth && pcTextureCU->getPartitionSize( uiCUIdx ) == SIZE_2Nx2N)
698	{
699	assert( eSize == SIZE_2Nx2N );
700	return;
701	}
702	}
703	#endif
704	if ( pcCU->isIntra( uiAbsPartIdx ) )
705	{
706	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
707	{
708	m_pcBinIf->encodeBin( eSize == SIZE_2Nx2N? 1 : 0, m_cCUPartSizeSCModel.get( 0, 0, 0 ) );
709	#if H_MV_ENC_DEC_TRAC
710	DTRACE_CU("part_mode", eSize == SIZE_2Nx2N? 1 : 0)
711	#endif
712	}
713	return;
714	}
715
716	#if H_MV_ENC_DEC_TRAC
717	DTRACE_CU("part_mode", eSize )
718	#endif
719	#if H_3D_QTLPC
720	if (depthDependent==false \|\| uiTexturePart == SIZE_NxN\|\| uiTexturePart == SIZE_2Nx2N)
721	{
722	#endif
723	switch(eSize)
724	{
725	case SIZE_2Nx2N:
726	{
727	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
728	break;
729	}
730	case SIZE_2NxN:
731	case SIZE_2NxnU:
732	case SIZE_2NxnD:
733	{
734	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
735	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
736	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
737	{
738	if (eSize == SIZE_2NxN)
739	{
740	m_pcBinIf->encodeBin(1, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
741	}
742	else
743	{
744	m_pcBinIf->encodeBin(0, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
745	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
746	}
747	}
748	break;
749	}
750	case SIZE_Nx2N:
751	case SIZE_nLx2N:
752	case SIZE_nRx2N:
753	{
754	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
755	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
756	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
757	{
758	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 2) );
759	}
760	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
761	{
762	if (eSize == SIZE_Nx2N)
763	{
764	m_pcBinIf->encodeBin(1, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
765	}
766	else
767	{
768	m_pcBinIf->encodeBin(0, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
769	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
770	}
771	}
772	break;
773	}
774	case SIZE_NxN:
775	{
776	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
777	{
778	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
779	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
780	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 2) );
781	}
782	break;
783	}
784	default:
785	{
786	assert(0);
787	}
788	}
789	#if H_3D_QTLPC
790	}
791	else if(uiTexturePart == SIZE_2NxN \|\| uiTexturePart == SIZE_2NxnU \|\| uiTexturePart == SIZE_2NxnD)
792	{
793	//assert(eSize!=SIZE_NxN);
794	//assert(eSize!=SIZE_Nx2N);
795	//assert(eSize==SIZE_2Nx2N \|\| eSize==SIZE_2NxN \|\| eSize==SIZE_2NxnU \|\| eSize==SIZE_2NxnD);
796	switch(eSize)
797	{
798	case SIZE_2Nx2N:
799	{
800	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
801	break;
802	}
803	case SIZE_2NxN:
804	{
805	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
806	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
807	{
808	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
809	}
810	break;
811	}
812	case SIZE_2NxnU:
813	case SIZE_2NxnD:
814	{
815	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
816	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
817	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
818	break;
819	}
820	default:
821	{
822	assert(0);
823	}
824	}
825	}
826	else if(uiTexturePart == SIZE_Nx2N\|\| uiTexturePart==SIZE_nLx2N \|\| uiTexturePart==SIZE_nRx2N)
827	{
828	//assert(eSize!=SIZE_NxN);
829	//assert(eSize!=SIZE_2NxN);
830	//assert(eSize==SIZE_2Nx2N \|\|eSize==SIZE_Nx2N \|\| eSize==SIZE_nLx2N \|\| eSize==SIZE_nRx2N);
831	switch(eSize)
832	{
833	case SIZE_2Nx2N:
834	{
835	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
836	break;
837	}
838	case SIZE_Nx2N:
839	{
840	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
841	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
842	{
843	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
844	}
845	break;
846	}
847	case SIZE_nLx2N:
848	case SIZE_nRx2N:
849	{
850	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
851	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
852	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
853	break;
854	}
855	default:
856	{
857	assert(0);
858	}
859	}
860	}
861	else
862	{
863	printf("uiTexturePart=%d",uiTexturePart);
864	assert(0);
865	}
866	#endif
867	}
868
869	/** code prediction mode
870	* \param pcCU
871	* \param uiAbsPartIdx
872	* \returns Void
873	*/
874	Void TEncSbac::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
875	{
876	#if H_3D_DIM_SDC
877	if ( pcCU->getSlice()->isIntra() )
878	{
879	assert( pcCU->isIntra(uiAbsPartIdx) );
880	return;
881	}
882	#endif
883
884	// get context function is here
885	Int iPredMode = pcCU->getPredictionMode( uiAbsPartIdx );
886	m_pcBinIf->encodeBin( iPredMode == MODE_INTER ? 0 : 1, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
887	#if H_MV_ENC_DEC_TRAC
888	DTRACE_CU("pred_mode_flag", iPredMode == MODE_INTER ? 0 : 1);
889	#endif
890	}
891
892	Void TEncSbac::codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
893	{
894	UInt uiSymbol = pcCU->getCUTransquantBypass(uiAbsPartIdx);
895	m_pcBinIf->encodeBin( uiSymbol, m_CUTransquantBypassFlagSCModel.get( 0, 0, 0 ) );
896	#if H_MV_ENC_DEC_TRAC
897	DTRACE_CU("cu_transquant_bypass_flag", uiSymbol);
898	#endif
899	}
900
901	/** code skip flag
902	* \param pcCU
903	* \param uiAbsPartIdx
904	* \returns Void
905	*/
906	Void TEncSbac::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
907	{
908	// get context function is here
909	UInt uiSymbol = pcCU->isSkipped( uiAbsPartIdx ) ? 1 : 0;
910	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ) ;
911	m_pcBinIf->encodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
912	#if !H_MV_ENC_DEC_TRAC
913	DTRACE_CABAC_VL( g_nSymbolCounter++ );
914	DTRACE_CABAC_T( "\tSkipFlag" );
915	DTRACE_CABAC_T( "\tuiCtxSkip: ");
916	DTRACE_CABAC_V( uiCtxSkip );
917	DTRACE_CABAC_T( "\tuiSymbol: ");
918	DTRACE_CABAC_V( uiSymbol );
919	DTRACE_CABAC_T( "\n");
920	#else
921	DTRACE_CU("cu_skip_flag", uiSymbol);
922	#endif
923	}
924
925	/** code merge flag
926	* \param pcCU
927	* \param uiAbsPartIdx
928	* \returns Void
929	*/
930	Void TEncSbac::codeMergeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
931	{
932	const UInt uiSymbol = pcCU->getMergeFlag( uiAbsPartIdx ) ? 1 : 0;
933	m_pcBinIf->encodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
934
935	#if H_MV_ENC_DEC_TRAC
936	DTRACE_PU("merge_flag", uiSymbol);
937	#else
938	DTRACE_CABAC_VL( g_nSymbolCounter++ );
939	DTRACE_CABAC_T( "\tMergeFlag: " );
940	DTRACE_CABAC_V( uiSymbol );
941	DTRACE_CABAC_T( "\tAddress: " );
942	DTRACE_CABAC_V( pcCU->getAddr() );
943	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
944	DTRACE_CABAC_V( uiAbsPartIdx );
945	DTRACE_CABAC_T( "\n" );
946	#endif
947	}
948
949	/** code merge index
950	* \param pcCU
951	* \param uiAbsPartIdx
952	* \returns Void
953	*/
954	Void TEncSbac::codeMergeIndex( TComDataCU* pcCU, UInt uiAbsPartIdx )
955	{
956	UInt uiUnaryIdx = pcCU->getMergeIndex( uiAbsPartIdx );
957	UInt uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
958	if ( uiNumCand > 1 )
959	{
960	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
961	{
962	const UInt uiSymbol = ui == uiUnaryIdx ? 0 : 1;
963	if ( ui==0 )
964	{
965	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
966	}
967	else
968	{
969	m_pcBinIf->encodeBinEP( uiSymbol );
970	}
971	if( uiSymbol == 0 )
972	{
973	break;
974	}
975	}
976	#if H_MV_ENC_DEC_TRAC
977	DTRACE_PU("merge_idx", uiUnaryIdx);
978	#endif
979	}
980	#if !H_MV_ENC_DEC_TRAC
981	DTRACE_CABAC_VL( g_nSymbolCounter++ );
982	DTRACE_CABAC_T( "\tparseMergeIndex()" );
983	DTRACE_CABAC_T( "\tuiMRGIdx= " );
984	DTRACE_CABAC_V( pcCU->getMergeIndex( uiAbsPartIdx ) );
985	DTRACE_CABAC_T( "\n" );
986	#endif
987	}
988
989	#if H_3D_ARP
990	Void TEncSbac::codeARPW( TComDataCU* pcCU, UInt uiAbsPartIdx )
991	{
992	Int iW = (Int)pcCU->getARPW( uiAbsPartIdx );
993	Int iMaxW = pcCU->getSlice()->getARPStepNum() - 1;
994	assert( iMaxW > 0);
995
996	Int nOffset = pcCU->getCTXARPWFlag(uiAbsPartIdx);
997	Int nBinNum = iW + ( iW != iMaxW );
998	m_pcBinIf->encodeBin( iW ? 1 : 0 , m_cCUPUARPWSCModel.get( 0, 0, 0 + nOffset ) );
999	if( nBinNum > 1 )
1000	{
1001	m_pcBinIf->encodeBin( ( iW == iMaxW ) ? 1 : 0, m_cCUPUARPWSCModel.get( 0, 0, 2 ) );
1002	}
1003	#if H_MV_ENC_DEC_TRAC
1004	DTRACE_CU("iv_res_pred_weight_idx", iW);
1005	#endif
1006	}
1007	#endif
1008
1009	#if H_3D_IC
1010	/** code Illumination Compensation flag
1011	* \param pcCU
1012	* \param uiAbsPartIdx
1013	* \returns Void
1014	*/
1015	Void TEncSbac::codeICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
1016	{
1017	// get context function is here
1018	UInt uiSymbol = pcCU->getICFlag( uiAbsPartIdx ) ? 1 : 0;
1019	m_pcBinIf->encodeBin( uiSymbol, m_cCUICFlagSCModel.get( 0, 0, 0 ) );
1020	#if !H_MV_ENC_DEC_TRAC
1021	DTRACE_CABAC_VL( g_nSymbolCounter++ );
1022	DTRACE_CABAC_T( "\tICFlag" );
1023	DTRACE_CABAC_T( "\tuiSymbol: ");
1024	DTRACE_CABAC_V( uiSymbol );
1025	DTRACE_CABAC_T( "\n");
1026	#else
1027	DTRACE_CU("ic_flag", uiSymbol );
1028	#endif
1029	}
1030	#endif
1031
1032
1033	Void TEncSbac::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
1034	{
1035	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
1036	return;
1037
1038	UInt uiCtx = pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth );
1039	UInt uiCurrSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0;
1040
1041	assert( uiCtx < 3 );
1042	#if H_3D_QTLPC
1043	Bool bCodeSplitFlag = true;
1044
1045	TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS();
1046	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
1047	Bool bDepthMapDetect = (pcTexture != NULL);
1048	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
1049
1050	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);
1051
1052	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && sps->getUseQTL() && sps->getUsePC())
1053	{
1054	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
1055	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
1056	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
1057	bCodeSplitFlag = (pcTextureCU->getDepth(uiCUIdx) > uiDepth);
1058	}
1059
1060	if(!bCodeSplitFlag)
1061	{
1062	assert(uiCurrSplitFlag == 0);
1063	return;
1064	}
1065	#endif
1066	m_pcBinIf->encodeBin( uiCurrSplitFlag, m_cCUSplitFlagSCModel.get( 0, 0, uiCtx ) );
1067	#if !H_MV_ENC_DEC_TRAC
1068	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1069	DTRACE_CABAC_T( "\tSplitFlag\n" )
1070	#else
1071	DTRACE_CU("split_cu_flag", uiCurrSplitFlag );
1072	#endif
1073	return;
1074	}
1075
1076	Void TEncSbac::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx )
1077	{
1078	m_pcBinIf->encodeBin( uiSymbol, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiCtx ) );
1079	#if !H_MV_ENC_DEC_TRAC
1080	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1081	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
1082	DTRACE_CABAC_T( "\tsymbol=" )
1083	DTRACE_CABAC_V( uiSymbol )
1084	DTRACE_CABAC_T( "\tctx=" )
1085	DTRACE_CABAC_V( uiCtx )
1086	DTRACE_CABAC_T( "\n" )
1087	#endif
1088	}
1089
1090	Void TEncSbac::codeIntraDirLumaAng( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple)
1091	{
1092	UInt dir[4],j;
1093	Int preds[4][3] = {{-1, -1, -1},{-1, -1, -1},{-1, -1, -1},{-1, -1, -1}};
1094	Int predNum[4], predIdx[4] ={ -1,-1,-1,-1};
1095	PartSize mode = pcCU->getPartitionSize( absPartIdx );
1096	UInt partNum = isMultiple?(mode==SIZE_NxN?4:1):1;
1097	UInt partOffset = ( pcCU->getPic()->getNumPartInCU() >> ( pcCU->getDepth(absPartIdx) << 1 ) ) >> 2;
1098	for (j=0;j<partNum;j++)
1099	{
1100	dir[j] = pcCU->getLumaIntraDir( absPartIdx+partOffset*j );
1101	#if H_3D_DIM
1102	if( pcCU->getSlice()->getVpsDepthModesFlag() )
1103	{
1104	codeIntraDepth( pcCU, absPartIdx+partOffset*j );
1105	}
1106	if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1107	{
1108	#endif
1109	predNum[j] = pcCU->getIntraDirLumaPredictor(absPartIdx+partOffset*j, preds[j]);
1110	for(UInt i = 0; i < predNum[j]; i++)
1111	{
1112	if(dir[j] == preds[j][i])
1113	{
1114	predIdx[j] = i;
1115	}
1116	}
1117	m_pcBinIf->encodeBin((predIdx[j] != -1)? 1 : 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1118	#if H_MV_ENC_DEC_TRAC
1119	DTRACE_CU("prev_intra_luma_pred_flag", (predIdx[j] != -1)? 1 : 0);
1120	#endif
1121	#if H_3D_DIM
1122	}
1123	#endif
1124
1125	}
1126	for (j=0;j<partNum;j++)
1127	{
1128	#if H_3D_DIM
1129	if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1130	{
1131	#endif
1132	if(predIdx[j] != -1)
1133	{
1134	m_pcBinIf->encodeBinEP( predIdx[j] ? 1 : 0 );
1135	if (predIdx[j])
1136	{
1137	m_pcBinIf->encodeBinEP( predIdx[j]-1 );
1138	}
1139	#if H_MV_ENC_DEC_TRAC
1140	DTRACE_CU("mpm_idx", predIdx[j] );
1141	#endif
1142	}
1143	else
1144	{
1145	if (preds[j][0] > preds[j][1])
1146	{
1147	std::swap(preds[j][0], preds[j][1]);
1148	}
1149	if (preds[j][0] > preds[j][2])
1150	{
1151	std::swap(preds[j][0], preds[j][2]);
1152	}
1153	if (preds[j][1] > preds[j][2])
1154	{
1155	std::swap(preds[j][1], preds[j][2]);
1156	}
1157	for(Int i = (predNum[j] - 1); i >= 0; i--)
1158	{
1159	dir[j] = dir[j] > preds[j][i] ? dir[j] - 1 : dir[j];
1160	}
1161	m_pcBinIf->encodeBinsEP( dir[j], 5 );
1162	#if H_MV_ENC_DEC_TRAC
1163	DTRACE_CU("rem_intra_luma_pred_mode", dir[j] );
1164	#endif
1165	}
1166	#if H_3D_DIM
1167	}
1168	#endif
1169	}
1170	return;
1171	}
1172
1173	Void TEncSbac::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx )
1174	{
1175	UInt uiIntraDirChroma = pcCU->getChromaIntraDir( uiAbsPartIdx );
1176
1177	if( uiIntraDirChroma == DM_CHROMA_IDX )
1178	{
1179	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1180	#if H_MV_ENC_DEC_TRAC
1181	DTRACE_CU("intra_chroma_pred_mode", 0 );
1182	#endif
1183	}
1184	else
1185	{
1186	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1187	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1188
1189	for( Int i = 0; i < NUM_CHROMA_MODE - 1; i++ )
1190	{
1191	if( uiIntraDirChroma == uiAllowedChromaDir[i] )
1192	{
1193	uiIntraDirChroma = i;
1194	break;
1195	}
1196	}
1197	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1198
1199	m_pcBinIf->encodeBinsEP( uiIntraDirChroma, 2 );
1200	#if H_MV_ENC_DEC_TRAC
1201	DTRACE_CU("intra_chroma_pred_mode", uiIntraDirChroma );
1202	#endif
1203
1204	}
1205	return;
1206	}
1207
1208	#if H_3D_DIM
1209	Void TEncSbac::codeIntraDepth( TComDataCU* pcCU, UInt absPartIdx )
1210	{
1211	codeIntraDepthMode( pcCU, absPartIdx );
1212
1213	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
1214	UInt dimType = getDimType( dir );
1215
1216	switch( dimType )
1217	{
1218	#if H_3D_DIM_DMM
1219	case( DMM1_IDX ):
1220	{
1221	xCodeDmm1WedgeIdx( pcCU->getDmmWedgeTabIdx( dimType, absPartIdx ), g_dmm1TabIdxBits[pcCU->getIntraSizeIdx(absPartIdx)] );
1222	} break;
1223	case( DMM4_IDX ): break;
1224	#endif
1225	default: break;
1226	}
1227	}
1228
1229	Void TEncSbac::codeIntraDepthMode( TComDataCU* pcCU, UInt absPartIdx )
1230	{
1231	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
1232
1233	if( ( pcCU->getSlice()->getSPS()->getMaxCUWidth() >> pcCU->getDepth( absPartIdx ) ) < 64 ) //DMM and HEVC intra modes are both allowed
1234	{
1235	m_pcBinIf->encodeBin( isDimMode( dir ) ? 0 : 1, m_cAngleFlagSCModel.get( 0, 0, pcCU->getCtxAngleFlag( absPartIdx ) ) );
1236	}
1237	if( isDimMode( dir ) )
1238	{
1239	UInt uiCodeIdx = 0;
1240
1241	switch( getDimType( dir ) )
1242	{
1243	case DMM1_IDX: uiCodeIdx = 0; break;
1244	case DMM4_IDX: uiCodeIdx = 1; break;
1245	default: break;
1246	}
1247	//mode coding
1248	m_pcBinIf->encodeBin( uiCodeIdx == 0 ? 0 : 1, m_cDepthIntraModeSCModel.get( 0, 0, 0 ) );
1249	}
1250	}
1251	#endif
1252
1253
1254	Void TEncSbac::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
1255	{
1256	const UInt uiInterDir = pcCU->getInterDir( uiAbsPartIdx ) - 1;
1257	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1258	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1259	if (pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N \|\| pcCU->getHeight(uiAbsPartIdx) != 8 )
1260	{
1261	m_pcBinIf->encodeBin( uiInterDir == 2 ? 1 : 0, *( pCtx + uiCtx ) );
1262	}
1263	if (uiInterDir < 2)
1264	{
1265	m_pcBinIf->encodeBin( uiInterDir, *( pCtx + 4 ) );
1266	}
1267	#if H_MV_ENC_DEC_TRAC
1268	DTRACE_PU("inter_pred_idc", uiInterDir );
1269	#endif
1270
1271	return;
1272	}
1273
1274	Void TEncSbac::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1275	{
1276	{
1277	Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1278	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1279	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1280
1281	if( iRefFrame > 0 )
1282	{
1283	UInt uiRefNum = pcCU->getSlice()->getNumRefIdx( eRefList ) - 2;
1284	pCtx++;
1285	iRefFrame--;
1286	for( UInt ui = 0; ui < uiRefNum; ++ui )
1287	{
1288	const UInt uiSymbol = ui == iRefFrame ? 0 : 1;
1289	if( ui == 0 )
1290	{
1291	m_pcBinIf->encodeBin( uiSymbol, *pCtx );
1292	}
1293	else
1294	{
1295	m_pcBinIf->encodeBinEP( uiSymbol );
1296	}
1297	if( uiSymbol == 0 )
1298	{
1299	break;
1300	}
1301	}
1302	}
1303	#if H_MV_ENC_DEC_TRAC
1304	#if ENC_DEC_TRACE
1305	iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1306	if ( eRefList == REF_PIC_LIST_0 )
1307	{
1308	DTRACE_PU("ref_idx_l0", iRefFrame)
1309	}
1310	else
1311	{
1312	DTRACE_PU("ref_idx_l1", iRefFrame)
1313	}
1314	#endif
1315	#endif
1316	}
1317	return;
1318	}
1319
1320	Void TEncSbac::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1321	{
1322	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1323	{
1324	return;
1325	}
1326
1327	const TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList );
1328	const Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor();
1329	const Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer();
1330	ContextModel* pCtx = m_cCUMvdSCModel.get( 0 );
1331
1332	m_pcBinIf->encodeBin( iHor != 0 ? 1 : 0, *pCtx );
1333	m_pcBinIf->encodeBin( iVer != 0 ? 1 : 0, *pCtx );
1334
1335	const Bool bHorAbsGr0 = iHor != 0;
1336	const Bool bVerAbsGr0 = iVer != 0;
1337	const UInt uiHorAbs = 0 > iHor ? -iHor : iHor;
1338	const UInt uiVerAbs = 0 > iVer ? -iVer : iVer;
1339	pCtx++;
1340
1341	if( bHorAbsGr0 )
1342	{
1343	m_pcBinIf->encodeBin( uiHorAbs > 1 ? 1 : 0, *pCtx );
1344	}
1345
1346	if( bVerAbsGr0 )
1347	{
1348	m_pcBinIf->encodeBin( uiVerAbs > 1 ? 1 : 0, *pCtx );
1349	}
1350
1351	if( bHorAbsGr0 )
1352	{
1353	if( uiHorAbs > 1 )
1354	{
1355	xWriteEpExGolomb( uiHorAbs-2, 1 );
1356	}
1357
1358	m_pcBinIf->encodeBinEP( 0 > iHor ? 1 : 0 );
1359	}
1360
1361	if( bVerAbsGr0 )
1362	{
1363	if( uiVerAbs > 1 )
1364	{
1365	xWriteEpExGolomb( uiVerAbs-2, 1 );
1366	}
1367
1368	m_pcBinIf->encodeBinEP( 0 > iVer ? 1 : 0 );
1369	}
1370
1371	return;
1372	}
1373
1374	Void TEncSbac::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx )
1375	{
1376	Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
1377
1378	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY();
1379	iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
1380
1381	UInt uiAbsDQp = (UInt)((iDQp > 0)? iDQp : (-iDQp));
1382	UInt TUValue = min((Int)uiAbsDQp, CU_DQP_TU_CMAX);
1383	xWriteUnaryMaxSymbol( TUValue, &m_cCUDeltaQpSCModel.get( 0, 0, 0 ), 1, CU_DQP_TU_CMAX);
1384	if( uiAbsDQp >= CU_DQP_TU_CMAX )
1385	{
1386	xWriteEpExGolomb( uiAbsDQp - CU_DQP_TU_CMAX, CU_DQP_EG_k );
1387	}
1388
1389	if ( uiAbsDQp > 0)
1390	{
1391	UInt uiSign = (iDQp > 0 ? 0 : 1);
1392	m_pcBinIf->encodeBinEP(uiSign);
1393	}
1394
1395	return;
1396	}
1397
1398	Void TEncSbac::codeQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth )
1399	{
1400	UInt uiCbf = pcCU->getCbf ( uiAbsPartIdx, eType, uiTrDepth );
1401	UInt uiCtx = pcCU->getCtxQtCbf( eType, uiTrDepth );
1402	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) );
1403	#if !H_MV_ENC_DEC_TRAC
1404	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1405	DTRACE_CABAC_T( "\tparseQtCbf()" )
1406	DTRACE_CABAC_T( "\tsymbol=" )
1407	DTRACE_CABAC_V( uiCbf )
1408	DTRACE_CABAC_T( "\tctx=" )
1409	DTRACE_CABAC_V( uiCtx )
1410	DTRACE_CABAC_T( "\tetype=" )
1411	DTRACE_CABAC_V( eType )
1412	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1413	DTRACE_CABAC_V( uiAbsPartIdx )
1414	DTRACE_CABAC_T( "\n" )
1415	#endif
1416	}
1417
1418	void TEncSbac::codeTransformSkipFlags (TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, TextType eTType )
1419	{
1420	if (pcCU->getCUTransquantBypass(uiAbsPartIdx))
1421	{
1422	return;
1423	}
1424	if(width != 4 \|\| height != 4)
1425	{
1426	return;
1427	}
1428
1429	UInt useTransformSkip = pcCU->getTransformSkip( uiAbsPartIdx,eTType);
1430	m_pcBinIf->encodeBin( useTransformSkip, m_cTransformSkipSCModel.get( 0, eTType? TEXT_CHROMA: TEXT_LUMA, 0 ) );
1431	#if !H_MV_ENC_DEC_TRAC
1432	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1433	DTRACE_CABAC_T("\tparseTransformSkip()");
1434	DTRACE_CABAC_T( "\tsymbol=" )
1435	DTRACE_CABAC_V( useTransformSkip )
1436	DTRACE_CABAC_T( "\tAddr=" )
1437	DTRACE_CABAC_V( pcCU->getAddr() )
1438	DTRACE_CABAC_T( "\tetype=" )
1439	DTRACE_CABAC_V( eTType )
1440	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1441	DTRACE_CABAC_V( uiAbsPartIdx )
1442	DTRACE_CABAC_T( "\n" )
1443	#endif
1444	}
1445
1446	/** Code I_PCM information.
1447	* \param pcCU pointer to CU
1448	* \param uiAbsPartIdx CU index
1449	* \returns Void
1450	*/
1451	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
1452	{
1453	UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0;
1454
1455	Bool writePCMSampleFlag = pcCU->getIPCMFlag(uiAbsPartIdx);
1456
1457	m_pcBinIf->encodeBinTrm (uiIPCM);
1458	#if H_MV_ENC_DEC_TRAC
1459	DTRACE_CU("pcm_flag", uiIPCM)
1460	#endif
1461	if (writePCMSampleFlag)
1462	{
1463	m_pcBinIf->encodePCMAlignBits();
1464
1465	UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight();
1466	UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx;
1467	UInt uiChromaOffset = uiLumaOffset>>2;
1468	Pel* piPCMSample;
1469	UInt uiWidth;
1470	UInt uiHeight;
1471	UInt uiSampleBits;
1472	UInt uiX, uiY;
1473
1474	piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset;
1475	uiWidth = pcCU->getWidth(uiAbsPartIdx);
1476	uiHeight = pcCU->getHeight(uiAbsPartIdx);
1477	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma();
1478
1479	for(uiY = 0; uiY < uiHeight; uiY++)
1480	{
1481	for(uiX = 0; uiX < uiWidth; uiX++)
1482	{
1483	UInt uiSample = piPCMSample[uiX];
1484
1485	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1486	}
1487	piPCMSample += uiWidth;
1488	}
1489
1490	piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset;
1491	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1492	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1493	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1494
1495	for(uiY = 0; uiY < uiHeight; uiY++)
1496	{
1497	for(uiX = 0; uiX < uiWidth; uiX++)
1498	{
1499	UInt uiSample = piPCMSample[uiX];
1500
1501	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1502	}
1503	piPCMSample += uiWidth;
1504	}
1505
1506	piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset;
1507	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1508	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1509	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1510
1511	for(uiY = 0; uiY < uiHeight; uiY++)
1512	{
1513	for(uiX = 0; uiX < uiWidth; uiX++)
1514	{
1515	UInt uiSample = piPCMSample[uiX];
1516
1517	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1518	}
1519	piPCMSample += uiWidth;
1520	}
1521	m_pcBinIf->resetBac();
1522	}
1523	}
1524
1525	Void TEncSbac::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx )
1526	{
1527	UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx );
1528	UInt uiCtx = 0;
1529	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1530	#if !H_MV_ENC_DEC_TRAC
1531	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1532	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1533	DTRACE_CABAC_T( "\tsymbol=" )
1534	DTRACE_CABAC_V( uiCbf )
1535	DTRACE_CABAC_T( "\tctx=" )
1536	DTRACE_CABAC_V( uiCtx )
1537	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1538	DTRACE_CABAC_V( uiAbsPartIdx )
1539	DTRACE_CABAC_T( "\n" )
1540	#else
1541	DTRACE_CU( "rqt_root_cbf", uiCbf )
1542	#endif
1543	}
1544
1545	Void TEncSbac::codeQtCbfZero( TComDataCU* pcCU, TextType eType, UInt uiTrDepth )
1546	{
1547	// this function is only used to estimate the bits when cbf is 0
1548	// and will never be called when writing the bistream. do not need to write log
1549	UInt uiCbf = 0;
1550	UInt uiCtx = pcCU->getCtxQtCbf( eType, uiTrDepth );
1551	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) );
1552	}
1553
1554	Void TEncSbac::codeQtRootCbfZero( TComDataCU* pcCU )
1555	{
1556	// this function is only used to estimate the bits when cbf is 0
1557	// and will never be called when writing the bistream. do not need to write log
1558	UInt uiCbf = 0;
1559	UInt uiCtx = 0;
1560	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1561	}
1562
1563	/** Encode (X,Y) position of the last significant coefficient
1564	* \param uiPosX X component of last coefficient
1565	* \param uiPosY Y component of last coefficient
1566	* \param width Block width
1567	* \param height Block height
1568	* \param eTType plane type / luminance or chrominance
1569	* \param uiScanIdx scan type (zig-zag, hor, ver)
1570	* This method encodes the X and Y component within a block of the last significant coefficient.
1571	*/
1572	Void TEncSbac::codeLastSignificantXY( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx )
1573	{
1574	// swap
1575	if( uiScanIdx == SCAN_VER )
1576	{
1577	swap( uiPosX, uiPosY );
1578	}
1579
1580	UInt uiCtxLast;
1581	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
1582	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
1583	UInt uiGroupIdxX = g_uiGroupIdx[ uiPosX ];
1584	UInt uiGroupIdxY = g_uiGroupIdx[ uiPosY ];
1585
1586
1587	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
1588	blkSizeOffsetX = eTType ? 0: (g_aucConvertToBit[ width ] *3 + ((g_aucConvertToBit[ width ] +1)>>2));
1589	blkSizeOffsetY = eTType ? 0: (g_aucConvertToBit[ height ]*3 + ((g_aucConvertToBit[ height ]+1)>>2));
1590	shiftX= eTType ? g_aucConvertToBit[ width ] :((g_aucConvertToBit[ width ]+3)>>2);
1591	shiftY= eTType ? g_aucConvertToBit[ height ] :((g_aucConvertToBit[ height ]+3)>>2);
1592	// posX
1593	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxX; uiCtxLast++ )
1594	{
1595	m_pcBinIf->encodeBin( 1, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1596	}
1597	if( uiGroupIdxX < g_uiGroupIdx[ width - 1 ])
1598	{
1599	m_pcBinIf->encodeBin( 0, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1600	}
1601
1602	// posY
1603	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxY; uiCtxLast++ )
1604	{
1605	m_pcBinIf->encodeBin( 1, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1606	}
1607	if( uiGroupIdxY < g_uiGroupIdx[ height - 1 ])
1608	{
1609	m_pcBinIf->encodeBin( 0, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1610	}
1611	if ( uiGroupIdxX > 3 )
1612	{
1613	UInt uiCount = ( uiGroupIdxX - 2 ) >> 1;
1614	uiPosX = uiPosX - g_uiMinInGroup[ uiGroupIdxX ];
1615	for (Int i = uiCount - 1 ; i >= 0; i-- )
1616	{
1617	m_pcBinIf->encodeBinEP( ( uiPosX >> i ) & 1 );
1618	}
1619	}
1620	if ( uiGroupIdxY > 3 )
1621	{
1622	UInt uiCount = ( uiGroupIdxY - 2 ) >> 1;
1623	uiPosY = uiPosY - g_uiMinInGroup[ uiGroupIdxY ];
1624	for ( Int i = uiCount - 1 ; i >= 0; i-- )
1625	{
1626	m_pcBinIf->encodeBinEP( ( uiPosY >> i ) & 1 );
1627	}
1628	}
1629	}
1630
1631	Void TEncSbac::codeCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType )
1632	{
1633	#if !H_MV_ENC_DEC_TRAC
1634	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1635	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1636	DTRACE_CABAC_V( eTType )
1637	DTRACE_CABAC_T( "\twidth=" )
1638	DTRACE_CABAC_V( uiWidth )
1639	DTRACE_CABAC_T( "\theight=" )
1640	DTRACE_CABAC_V( uiHeight )
1641	DTRACE_CABAC_T( "\tdepth=" )
1642	DTRACE_CABAC_V( uiDepth )
1643	DTRACE_CABAC_T( "\tabspartidx=" )
1644	DTRACE_CABAC_V( uiAbsPartIdx )
1645	DTRACE_CABAC_T( "\ttoCU-X=" )
1646	DTRACE_CABAC_V( pcCU->getCUPelX() )
1647	DTRACE_CABAC_T( "\ttoCU-Y=" )
1648	DTRACE_CABAC_V( pcCU->getCUPelY() )
1649	DTRACE_CABAC_T( "\tCU-addr=" )
1650	DTRACE_CABAC_V( pcCU->getAddr() )
1651	DTRACE_CABAC_T( "\tinCU-X=" )
1652	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1653	DTRACE_CABAC_T( "\tinCU-Y=" )
1654	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1655	DTRACE_CABAC_T( "\tpredmode=" )
1656	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1657	DTRACE_CABAC_T( "\n" )
1658	#endif
1659	if( uiWidth > m_pcSlice->getSPS()->getMaxTrSize() )
1660	{
1661	uiWidth = m_pcSlice->getSPS()->getMaxTrSize();
1662	uiHeight = m_pcSlice->getSPS()->getMaxTrSize();
1663	}
1664
1665	UInt uiNumSig = 0;
1666
1667	// compute number of significant coefficients
1668	uiNumSig = TEncEntropy::countNonZeroCoeffs(pcCoef, uiWidth * uiHeight);
1669
1670	if ( uiNumSig == 0 )
1671	return;
1672	if(pcCU->getSlice()->getPPS()->getUseTransformSkip())
1673	{
1674	codeTransformSkipFlags( pcCU,uiAbsPartIdx, uiWidth, uiHeight, eTType );
1675	}
1676	eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA );
1677
1678	//----- encode significance map -----
1679	const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2;
1680	UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx));
1681	const UInt *scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize - 1 ];
1682
1683	Bool beValid;
1684	if (pcCU->getCUTransquantBypass(uiAbsPartIdx))
1685	{
1686	beValid = false;
1687	}
1688	else
1689	{
1690	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1691	}
1692
1693	// Find position of last coefficient
1694	Int scanPosLast = -1;
1695	Int posLast;
1696
1697	const UInt * scanCG;
1698	{
1699	scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ];
1700	if( uiLog2BlockSize == 3 )
1701	{
1702	scanCG = g_sigLastScan8x8[ uiScanIdx ];
1703	}
1704	else if( uiLog2BlockSize == 5 )
1705	{
1706	scanCG = g_sigLastScanCG32x32;
1707	}
1708	}
1709	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1710	static const UInt uiShift = MLS_CG_SIZE >> 1;
1711	const UInt uiNumBlkSide = uiWidth >> uiShift;
1712
1713	::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1714
1715	do
1716	{
1717	posLast = scan[ ++scanPosLast ];
1718
1719	// get L1 sig map
1720	UInt uiPosY = posLast >> uiLog2BlockSize;
1721	UInt uiPosX = posLast - ( uiPosY << uiLog2BlockSize );
1722	UInt uiBlkIdx = uiNumBlkSide * (uiPosY >> uiShift) + (uiPosX >> uiShift);
1723	if( pcCoef[ posLast ] )
1724	{
1725	uiSigCoeffGroupFlag[ uiBlkIdx ] = 1;
1726	}
1727
1728	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1729	}
1730	while ( uiNumSig > 0 );
1731
1732	// Code position of last coefficient
1733	Int posLastY = posLast >> uiLog2BlockSize;
1734	Int posLastX = posLast - ( posLastY << uiLog2BlockSize );
1735	codeLastSignificantXY(posLastX, posLastY, uiWidth, uiHeight, eTType, uiScanIdx);
1736
1737	//===== code significance flag =====
1738	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType );
1739	ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA;
1740
1741
1742	const Int iLastScanSet = scanPosLast >> LOG2_SCAN_SET_SIZE;
1743	UInt c1 = 1;
1744	UInt uiGoRiceParam = 0;
1745	Int iScanPosSig = scanPosLast;
1746
1747	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1748	{
1749	Int numNonZero = 0;
1750	Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE;
1751	uiGoRiceParam = 0;
1752	Int absCoeff[16];
1753	UInt coeffSigns = 0;
1754
1755	Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE;
1756
1757	if( iScanPosSig == scanPosLast )
1758	{
1759	absCoeff[ 0 ] = abs( pcCoef[ posLast ] );
1760	coeffSigns = ( pcCoef[ posLast ] < 0 );
1761	numNonZero = 1;
1762	lastNZPosInCG = iScanPosSig;
1763	firstNZPosInCG = iScanPosSig;
1764	iScanPosSig--;
1765	}
1766
1767	// encode significant_coeffgroup_flag
1768	Int iCGBlkPos = scanCG[ iSubSet ];
1769	Int iCGPosY = iCGBlkPos / uiNumBlkSide;
1770	Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide);
1771	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1772	{
1773	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1774	}
1775	else
1776	{
1777	UInt uiSigCoeffGroup = (uiSigCoeffGroupFlag[ iCGBlkPos ] != 0);
1778	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1779	m_pcBinIf->encodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1780	}
1781
1782	// encode significant_coeff_flag
1783	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1784	{
1785	Int patternSigCtx = TComTrQuant::calcPatternSigCtx( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1786	UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig;
1787	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1788	{
1789	uiBlkPos = scan[ iScanPosSig ];
1790	uiPosY = uiBlkPos >> uiLog2BlockSize;
1791	uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1792	uiSig = (pcCoef[ uiBlkPos ] != 0);
1793	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1794	{
1795	uiCtxSig = TComTrQuant::getSigCtxInc( patternSigCtx, uiScanIdx, uiPosX, uiPosY, uiLog2BlockSize, eTType );
1796	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1797	}
1798	if( uiSig )
1799	{
1800	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1801	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1802	numNonZero++;
1803	if( lastNZPosInCG == -1 )
1804	{
1805	lastNZPosInCG = iScanPosSig;
1806	}
1807	firstNZPosInCG = iScanPosSig;
1808	}
1809	}
1810	}
1811	else
1812	{
1813	iScanPosSig = iSubPos - 1;
1814	}
1815
1816	if( numNonZero > 0 )
1817	{
1818	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= SBH_THRESHOLD );
1819	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0;
1820
1821	if( c1 == 0 )
1822	{
1823	uiCtxSet++;
1824	}
1825	c1 = 1;
1826	ContextModel baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet;
1827
1828	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
1829	Int firstC2FlagIdx = -1;
1830	for( Int idx = 0; idx < numC1Flag; idx++ )
1831	{
1832	UInt uiSymbol = absCoeff[ idx ] > 1;
1833	m_pcBinIf->encodeBin( uiSymbol, baseCtxMod[c1] );
1834	if( uiSymbol )
1835	{
1836	c1 = 0;
1837
1838	if (firstC2FlagIdx == -1)
1839	{
1840	firstC2FlagIdx = idx;
1841	}
1842	}
1843	else if( (c1 < 3) && (c1 > 0) )
1844	{
1845	c1++;
1846	}
1847	}
1848
1849	if (c1 == 0)
1850	{
1851
1852	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet;
1853	if ( firstC2FlagIdx != -1)
1854	{
1855	UInt symbol = absCoeff[ firstC2FlagIdx ] > 2;
1856	m_pcBinIf->encodeBin( symbol, baseCtxMod[0] );
1857	}
1858	}
1859
1860	if( beValid && signHidden )
1861	{
1862	m_pcBinIf->encodeBinsEP( (coeffSigns >> 1), numNonZero-1 );
1863	}
1864	else
1865	{
1866	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
1867	}
1868
1869	Int iFirstCoeff2 = 1;
1870	if (c1 == 0 \|\| numNonZero > C1FLAG_NUMBER)
1871	{
1872	for ( Int idx = 0; idx < numNonZero; idx++ )
1873	{
1874	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1;
1875
1876	if( absCoeff[ idx ] >= baseLevel)
1877	{
1878	xWriteCoefRemainExGolomb( absCoeff[ idx ] - baseLevel, uiGoRiceParam );
1879	if(absCoeff[idx] > 3*(1<<uiGoRiceParam))
1880	{
1881	uiGoRiceParam = min<UInt>(uiGoRiceParam+ 1, 4);
1882	}
1883	}
1884	if(absCoeff[ idx ] >= 2)
1885	{
1886	iFirstCoeff2 = 0;
1887	}
1888	}
1889	}
1890	}
1891	}
1892
1893	return;
1894	}
1895
1896	/** code SAO offset sign
1897	* \param code sign value
1898	*/
1899	Void TEncSbac::codeSAOSign( UInt code )
1900	{
1901	m_pcBinIf->encodeBinEP( code );
1902	}
1903
1904	Void TEncSbac::codeSaoMaxUvlc ( UInt code, UInt maxSymbol )
1905	{
1906	if (maxSymbol == 0)
1907	{
1908	return;
1909	}
1910
1911	Int i;
1912	Bool bCodeLast = ( maxSymbol > code );
1913
1914	if ( code == 0 )
1915	{
1916	m_pcBinIf->encodeBinEP( 0 );
1917	}
1918	else
1919	{
1920	m_pcBinIf->encodeBinEP( 1 );
1921	for ( i=0; i<code-1; i++ )
1922	{
1923	m_pcBinIf->encodeBinEP( 1 );
1924	}
1925	if( bCodeLast )
1926	{
1927	m_pcBinIf->encodeBinEP( 0 );
1928	}
1929	}
1930	}
1931
1932
1933	/** Code SAO EO class or BO band position
1934	* \param uiLength
1935	* \param uiCode
1936	*/
1937	Void TEncSbac::codeSaoUflc ( UInt uiLength, UInt uiCode )
1938	{
1939	m_pcBinIf->encodeBinsEP ( uiCode, uiLength );
1940	}
1941	/** Code SAO merge flags
1942	* \param uiCode
1943	* \param uiCompIdx
1944	*/
1945	Void TEncSbac::codeSaoMerge ( UInt uiCode )
1946	{
1947	if (uiCode == 0)
1948	{
1949	m_pcBinIf->encodeBin(0, m_cSaoMergeSCModel.get( 0, 0, 0 ));
1950	}
1951	else
1952	{
1953	m_pcBinIf->encodeBin(1, m_cSaoMergeSCModel.get( 0, 0, 0 ));
1954	}
1955	}
1956	/** Code SAO type index
1957	* \param uiCode
1958	*/
1959	Void TEncSbac::codeSaoTypeIdx ( UInt uiCode)
1960	{
1961	if (uiCode == 0)
1962	{
1963	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
1964	}
1965	else
1966	{
1967	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
1968	m_pcBinIf->encodeBinEP( uiCode == 1 ? 0 : 1 );
1969	}
1970	}
1971	/*!
1972	****************************************************************************
1973	* \brief
1974	* estimate bit cost for CBP, significant map and significant coefficients
1975	****************************************************************************
1976	*/
1977	Void TEncSbac::estBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
1978	{
1979	estCBFBit( pcEstBitsSbac );
1980
1981	estSignificantCoeffGroupMapBit( pcEstBitsSbac, eTType );
1982
1983	// encode significance map
1984	estSignificantMapBit( pcEstBitsSbac, width, height, eTType );
1985
1986	// encode significant coefficients
1987	estSignificantCoefficientsBit( pcEstBitsSbac, eTType );
1988	}
1989
1990	/*!
1991	****************************************************************************
1992	* \brief
1993	* estimate bit cost for each CBP bit
1994	****************************************************************************
1995	*/
1996	Void TEncSbac::estCBFBit( estBitsSbacStruct* pcEstBitsSbac )
1997	{
1998	ContextModel *pCtx = m_cCUQtCbfSCModel.get( 0 );
1999
2000	for( UInt uiCtxInc = 0; uiCtxInc < 3*NUM_QT_CBF_CTX; uiCtxInc++ )
2001	{
2002	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2003	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2004	}
2005
2006	pCtx = m_cCUQtRootCbfSCModel.get( 0 );
2007
2008	for( UInt uiCtxInc = 0; uiCtxInc < 4; uiCtxInc++ )
2009	{
2010	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2011	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2012	}
2013	}
2014
2015
2016	/*!
2017	****************************************************************************
2018	* \brief
2019	* estimate SAMBAC bit cost for significant coefficient group map
2020	****************************************************************************
2021	*/
2022	Void TEncSbac::estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, TextType eTType )
2023	{
2024	Int firstCtx = 0, numCtx = NUM_SIG_CG_FLAG_CTX;
2025
2026	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2027	{
2028	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2029	{
2030	pcEstBitsSbac->significantCoeffGroupBits[ ctxIdx ][ uiBin ] = m_cCUSigCoeffGroupSCModel.get( 0, eTType, ctxIdx ).getEntropyBits( uiBin );
2031	}
2032	}
2033	}
2034
2035
2036	/*!
2037	****************************************************************************
2038	* \brief
2039	* estimate SAMBAC bit cost for significant coefficient map
2040	****************************************************************************
2041	*/
2042	Void TEncSbac::estSignificantMapBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2043	{
2044	Int firstCtx = 1, numCtx = 8;
2045	if (max(width, height) >= 16)
2046	{
2047	firstCtx = (eTType == TEXT_LUMA) ? 21 : 12;
2048	numCtx = (eTType == TEXT_LUMA) ? 6 : 3;
2049	}
2050	else if (width == 8)
2051	{
2052	firstCtx = 9;
2053	numCtx = (eTType == TEXT_LUMA) ? 12 : 3;
2054	}
2055
2056	if (eTType == TEXT_LUMA )
2057	{
2058	for( UInt bin = 0; bin < 2; bin++ )
2059	{
2060	pcEstBitsSbac->significantBits[ 0 ][ bin ] = m_cCUSigSCModel.get( 0, 0, 0 ).getEntropyBits( bin );
2061	}
2062
2063	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2064	{
2065	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2066	{
2067	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, ctxIdx ).getEntropyBits( uiBin );
2068	}
2069	}
2070	}
2071	else
2072	{
2073	for( UInt bin = 0; bin < 2; bin++ )
2074	{
2075	pcEstBitsSbac->significantBits[ 0 ][ bin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + 0 ).getEntropyBits( bin );
2076	}
2077	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2078	{
2079	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2080	{
2081	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + ctxIdx ).getEntropyBits( uiBin );
2082	}
2083	}
2084	}
2085	Int iBitsX = 0, iBitsY = 0;
2086	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
2087
2088	blkSizeOffsetX = eTType ? 0: (g_aucConvertToBit[ width ] *3 + ((g_aucConvertToBit[ width ] +1)>>2));
2089	blkSizeOffsetY = eTType ? 0: (g_aucConvertToBit[ height ]*3 + ((g_aucConvertToBit[ height ]+1)>>2));
2090	shiftX = eTType ? g_aucConvertToBit[ width ] :((g_aucConvertToBit[ width ]+3)>>2);
2091	shiftY = eTType ? g_aucConvertToBit[ height ] :((g_aucConvertToBit[ height ]+3)>>2);
2092
2093	Int ctx;
2094	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
2095	for (ctx = 0; ctx < g_uiGroupIdx[ width - 1 ]; ctx++)
2096	{
2097	Int ctxOffset = blkSizeOffsetX + (ctx >>shiftX);
2098	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffset ].getEntropyBits( 0 );
2099	iBitsX += pCtxX[ ctxOffset ].getEntropyBits( 1 );
2100	}
2101	pcEstBitsSbac->lastXBits[ctx] = iBitsX;
2102	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
2103	for (ctx = 0; ctx < g_uiGroupIdx[ height - 1 ]; ctx++)
2104	{
2105	Int ctxOffset = blkSizeOffsetY + (ctx >>shiftY);
2106	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffset ].getEntropyBits( 0 );
2107	iBitsY += pCtxY[ ctxOffset ].getEntropyBits( 1 );
2108	}
2109	pcEstBitsSbac->lastYBits[ctx] = iBitsY;
2110	}
2111
2112	/*!
2113	****************************************************************************
2114	* \brief
2115	* estimate bit cost of significant coefficient
2116	****************************************************************************
2117	*/
2118	Void TEncSbac::estSignificantCoefficientsBit( estBitsSbacStruct* pcEstBitsSbac, TextType eTType )
2119	{
2120	if (eTType==TEXT_LUMA)
2121	{
2122	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0);
2123	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0);
2124
2125	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_LUMA; ctxIdx++)
2126	{
2127	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2128	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2129	}
2130
2131	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_LUMA; ctxIdx++)
2132	{
2133	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2134	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2135	}
2136	}
2137	else
2138	{
2139	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0) + NUM_ONE_FLAG_CTX_LUMA;
2140	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0) + NUM_ABS_FLAG_CTX_LUMA;
2141
2142	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_CHROMA; ctxIdx++)
2143	{
2144	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2145	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2146	}
2147
2148	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_CHROMA; ctxIdx++)
2149	{
2150	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2151	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2152	}
2153	}
2154	}
2155
2156	/**
2157	- Initialize our context information from the nominated source.
2158	.
2159	\param pSrc From where to copy context information.
2160	*/
2161	Void TEncSbac::xCopyContextsFrom( TEncSbac* pSrc )
2162	{
2163	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2164	}
2165
2166	Void TEncSbac::loadContexts ( TEncSbac* pScr)
2167	{
2168	this->xCopyContextsFrom(pScr);
2169	}
2170
2171	Void TEncSbac::codeSAOOffsetParam(Int compIdx, SAOOffset& ctbParam, Bool sliceEnabled)
2172	{
2173	UInt uiSymbol;
2174	if(!sliceEnabled)
2175	{
2176	assert(ctbParam.modeIdc == SAO_MODE_OFF);
2177	return;
2178	}
2179
2180	//type
2181	if(compIdx == SAO_Y \|\| compIdx == SAO_Cb)
2182	{
2183	//sao_type_idx_luma or sao_type_idx_chroma
2184	if(ctbParam.modeIdc == SAO_MODE_OFF)
2185	{
2186	uiSymbol =0;
2187	}
2188	else if(ctbParam.typeIdc == SAO_TYPE_BO) //BO
2189	{
2190	uiSymbol = 1;
2191	}
2192	else
2193	{
2194	assert(ctbParam.typeIdc < SAO_TYPE_START_BO); //EO
2195	uiSymbol = 2;
2196	}
2197	codeSaoTypeIdx(uiSymbol);
2198	}
2199
2200	if(ctbParam.modeIdc == SAO_MODE_NEW)
2201	{
2202	Int numClasses = (ctbParam.typeIdc == SAO_TYPE_BO)?4:NUM_SAO_EO_CLASSES;
2203	Int offset[4];
2204	Int k=0;
2205	for(Int i=0; i< numClasses; i++)
2206	{
2207	if(ctbParam.typeIdc != SAO_TYPE_BO && i == SAO_CLASS_EO_PLAIN)
2208	{
2209	continue;
2210	}
2211	Int classIdx = (ctbParam.typeIdc == SAO_TYPE_BO)?( (ctbParam.typeAuxInfo+i)% NUM_SAO_BO_CLASSES ):i;
2212	offset[k] = ctbParam.offset[classIdx];
2213	k++;
2214	}
2215
2216	for(Int i=0; i< 4; i++)
2217	{
2218	codeSaoMaxUvlc((offset[i]<0)?(-offset[i]):(offset[i]), g_saoMaxOffsetQVal[compIdx] ); //sao_offset_abs
2219	}
2220
2221
2222	if(ctbParam.typeIdc == SAO_TYPE_BO)
2223	{
2224	for(Int i=0; i< 4; i++)
2225	{
2226	if(offset[i] != 0)
2227	{
2228	codeSAOSign((offset[i]< 0)?1:0);
2229	}
2230	}
2231
2232	codeSaoUflc(NUM_SAO_BO_CLASSES_LOG2, ctbParam.typeAuxInfo ); //sao_band_position
2233	}
2234	else //EO
2235	{
2236	if(compIdx == SAO_Y \|\| compIdx == SAO_Cb)
2237	{
2238	assert(ctbParam.typeIdc - SAO_TYPE_START_EO >=0);
2239	codeSaoUflc(NUM_SAO_EO_TYPES_LOG2, ctbParam.typeIdc - SAO_TYPE_START_EO ); //sao_eo_class_luma or sao_eo_class_chroma
2240	}
2241	}
2242
2243	}
2244	}
2245
2246
2247	Void TEncSbac::codeSAOBlkParam(SAOBlkParam& saoBlkParam
2248	, Bool* sliceEnabled
2249	, Bool leftMergeAvail
2250	, Bool aboveMergeAvail
2251	, Bool onlyEstMergeInfo // = false
2252	)
2253	{
2254
2255	Bool isLeftMerge = false;
2256	Bool isAboveMerge= false;
2257
2258	if(leftMergeAvail)
2259	{
2260	isLeftMerge = ((saoBlkParam[SAO_Y].modeIdc == SAO_MODE_MERGE) && (saoBlkParam[SAO_Y].typeIdc == SAO_MERGE_LEFT));
2261	codeSaoMerge( isLeftMerge?1:0 ); //sao_merge_left_flag
2262	}
2263
2264	if( aboveMergeAvail && !isLeftMerge)
2265	{
2266	isAboveMerge = ((saoBlkParam[SAO_Y].modeIdc == SAO_MODE_MERGE) && (saoBlkParam[SAO_Y].typeIdc == SAO_MERGE_ABOVE));
2267	codeSaoMerge( isAboveMerge?1:0 ); //sao_merge_left_flag
2268	}
2269
2270	if(onlyEstMergeInfo)
2271	{
2272	return; //only for RDO
2273	}
2274
2275	if(!isLeftMerge && !isAboveMerge) //not merge mode
2276	{
2277	for(Int compIdx=0; compIdx < NUM_SAO_COMPONENTS; compIdx++)
2278	{
2279	codeSAOOffsetParam(compIdx, saoBlkParam[compIdx], sliceEnabled[compIdx]);
2280	}
2281	}
2282	}
2283
2284	#if H_3D_INTER_SDC
2285	Void TEncSbac::codeDeltaDC( TComDataCU* pcCU, UInt absPartIdx )
2286	{
2287	if( !( pcCU->getSDCFlag( absPartIdx ) \|\| ( pcCU->isIntra( absPartIdx ) && getDimType( pcCU->getLumaIntraDir( absPartIdx ) ) < DIM_NUM_TYPE ) ) )
2288	{
2289	assert( 0 );
2290	}
2291
2292	UInt uiNumSegments = 0;
2293	UInt dimDeltaDC = 0;
2294
2295	if( pcCU->isIntra( absPartIdx ) )
2296	{
2297	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
2298	uiNumSegments = isDimMode( dir ) ? 2 : 1;
2299
2300	if( pcCU->getSDCFlag( absPartIdx ) )
2301	{
2302	if( uiNumSegments == 1 )
2303	{
2304	dimDeltaDC = pcCU->getSDCSegmentDCOffset( 0, absPartIdx ) ? 1 : 0;
2305	}
2306	else
2307	{
2308	dimDeltaDC = ( pcCU->getSDCSegmentDCOffset( 0, absPartIdx ) \|\| pcCU->getSDCSegmentDCOffset( 1, absPartIdx ) ) ? 1 : 0;
2309	}
2310	}
2311	else
2312	{
2313	dimDeltaDC = isDimDeltaDC( dir );
2314	}
2315
2316	m_pcBinIf->encodeBin( dimDeltaDC, m_cDdcFlagSCModel.get( 0, 0, uiNumSegments-1 ) );
2317	}
2318	else //all-zero inter SDC is not allowed
2319	{
2320	uiNumSegments = 1;
2321	dimDeltaDC = 1;
2322	}
2323
2324	if( dimDeltaDC )
2325	{
2326	for( UInt segment = 0; segment < uiNumSegments; segment++ )
2327	{
2328	Pel deltaDC = 0;
2329
2330	if( pcCU->isIntra( absPartIdx ) )
2331	{
2332	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
2333	deltaDC = pcCU->getSDCFlag( absPartIdx ) ? pcCU->getSDCSegmentDCOffset( segment, absPartIdx ) : pcCU->getDimDeltaDC( getDimType( dir ), segment, absPartIdx );
2334	}
2335	else
2336	{
2337	deltaDC = pcCU->getSDCSegmentDCOffset( segment, absPartIdx );
2338	}
2339
2340	xCodeDimDeltaDC( deltaDC, uiNumSegments );
2341	}
2342	}
2343	}
2344
2345	Void TEncSbac::codeSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
2346	{
2347	UInt uiSymbol = pcCU->getSDCFlag( uiAbsPartIdx ) ? 1 : 0;
2348	UInt uiCtxSDCFlag = pcCU->getCtxSDCFlag( uiAbsPartIdx );
2349
2350	m_pcBinIf->encodeBin( uiSymbol, m_cSDCFlagSCModel.get( 0, 0, uiCtxSDCFlag ) );
2351	}
2352
2353	#endif
2354
2355	#if H_3D_DBBP
2356	Void TEncSbac::codeDBBPFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
2357	{
2358	PartSize ePartSize = pcCU->getPartitionSize( uiAbsPartIdx );
2359	AOF( ePartSize == RWTH_DBBP_PACK_MODE );
2360	AOF( pcCU->getSlice()->getVPS()->getUseDBBP(pcCU->getSlice()->getLayerIdInVps()) );
2361	AOF( !pcCU->getSlice()->getIsDepth() );
2362
2363	UInt uiSymbol = pcCU->getDBBPFlag( uiAbsPartIdx ) ? 1 : 0;
2364	m_pcBinIf->encodeBin( uiSymbol, m_cDBBPFlagSCModel.get( 0, 0, 0 ) );
2365	}
2366	#endif
2367
2368	//! \}

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source: 3DVCSoftware/branches/HTM-10.1-dev0/source/Lib/TLibEncoder/TEncSbac.cpp @ 881

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