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TEncSbac.cpp

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Last change on this file was 554, checked in by samsung-htm, 11 years ago
Integration of E0146
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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	#if !SEC_DMM2_E0146
98	, m_cDmm2DataSCModel ( 1, 1, NUM_DMM2_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
99	#endif
100	, m_cDmm3DataSCModel ( 1, 1, NUM_DMM3_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
101	#endif
102	#if H_3D_DIM_RBC
103	, m_cRbcDataSCModel ( 1, 1, NUM_RBC_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
104	#endif
105	#if H_3D_DIM_SDC
106	, m_cSDCResidualFlagSCModel ( 1, 1, SDC_NUM_RESIDUAL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
107	, m_cSDCResidualSCModel ( 1, 1, SDC_NUM_RESIDUAL_CTX , m_contextModels + m_numContextModels, m_numContextModels)
108	#endif
109	#endif
110	{
111	assert( m_numContextModels <= MAX_NUM_CTX_MOD );
112	}
113
114	TEncSbac::~TEncSbac()
115	{
116	}
117
118	// ====================================================================================================================
119	// Public member functions
120	// ====================================================================================================================
121
122	Void TEncSbac::resetEntropy ()
123	{
124	Int iQp = m_pcSlice->getSliceQp();
125	SliceType eSliceType = m_pcSlice->getSliceType();
126
127	Int encCABACTableIdx = m_pcSlice->getPPS()->getEncCABACTableIdx();
128	if (!m_pcSlice->isIntra() && (encCABACTableIdx==B_SLICE \|\| encCABACTableIdx==P_SLICE) && m_pcSlice->getPPS()->getCabacInitPresentFlag())
129	{
130	eSliceType = (SliceType) encCABACTableIdx;
131	}
132
133	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
134
135	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
136	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
137	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
138	#if H_3D_ARP
139	m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW );
140	#endif
141	#if H_3D_IC
142	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
143	#endif
144	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
145	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
146	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
147	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
148	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
149	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
150	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
151	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
152	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
153	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
154	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
155	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
156	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
157	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
158	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
159	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
160	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
161	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
162	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
163	m_cSaoMergeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_FLAG );
164	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
165	m_cTransformSkipSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
166	m_CUTransquantBypassFlagSCModel.initBuffer( eSliceType, iQp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
167
168	#if H_3D_DIM
169	m_cDepthIntraModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DEPTH_INTRA_MODE );
170	m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG );
171	m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA );
172	#if H_3D_DIM_DMM
173	m_cDmm1DataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM1_DATA );
174	#if !SEC_DMM2_E0146
175	m_cDmm2DataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM2_DATA );
176	#endif
177	m_cDmm3DataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM3_DATA );
178	#endif
179	#if H_3D_DIM_RBC
180	m_cRbcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_RBC_DATA );
181	#endif
182	#if H_3D_DIM_SDC
183	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
184	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
185	#endif
186	#endif
187	// new structure
188	m_uiLastQp = iQp;
189
190	m_pcBinIf->start();
191
192	return;
193	}
194
195	/** The function does the following:
196	* If current slice type is P/B then it determines the distance of initialisation type 1 and 2 from the current CABAC states and
197	* stores the index of the closest table. This index is used for the next P/B slice when cabac_init_present_flag is true.
198	*/
199	Void TEncSbac::determineCabacInitIdx()
200	{
201	Int qp = m_pcSlice->getSliceQp();
202
203	if (!m_pcSlice->isIntra())
204	{
205	SliceType aSliceTypeChoices[] = {B_SLICE, P_SLICE};
206
207	UInt bestCost = MAX_UINT;
208	SliceType bestSliceType = aSliceTypeChoices[0];
209	for (UInt idx=0; idx<2; idx++)
210	{
211	UInt curCost = 0;
212	SliceType curSliceType = aSliceTypeChoices[idx];
213
214	curCost = m_cCUSplitFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SPLIT_FLAG );
215	curCost += m_cCUSkipFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SKIP_FLAG );
216	curCost += m_cCUMergeFlagExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT);
217	curCost += m_cCUMergeIdxExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_IDX_EXT);
218	#if H_3D_ARP
219	curCost += m_cCUPUARPWSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ARPW );
220	#endif
221	#if H_3D_IC
222	curCost += m_cCUICFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_IC_FLAG );
223	#endif
224	curCost += m_cCUPartSizeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PART_SIZE );
225	curCost += m_cCUAMPSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CU_AMP_POS );
226	curCost += m_cCUPredModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PRED_MODE );
227	curCost += m_cCUIntraPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTRA_PRED_MODE );
228	curCost += m_cCUChromaPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE );
229	curCost += m_cCUInterDirSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_DIR );
230	curCost += m_cCUMvdSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVD );
231	curCost += m_cCURefPicSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_REF_PIC );
232	curCost += m_cCUDeltaQpSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DQP );
233	curCost += m_cCUQtCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_CBF );
234	curCost += m_cCUQtRootCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_ROOT_CBF );
235	curCost += m_cCUSigCoeffGroupSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_CG_FLAG );
236	curCost += m_cCUSigSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_FLAG );
237	curCost += m_cCuCtxLastX.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
238	curCost += m_cCuCtxLastY.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
239	curCost += m_cCUOneSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ONE_FLAG );
240	curCost += m_cCUAbsSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ABS_FLAG );
241	curCost += m_cMVPIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVP_IDX );
242	curCost += m_cCUTransSubdivFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
243	curCost += m_cSaoMergeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_MERGE_FLAG );
244	curCost += m_cSaoTypeIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_TYPE_IDX );
245	curCost += m_cTransformSkipSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
246	curCost += m_CUTransquantBypassFlagSCModel.calcCost( curSliceType, qp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
247	#if H_3D_DIM
248	if( m_pcSlice->getVpsDepthModesFlag() )
249	{
250	curCost += m_cDepthIntraModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DEPTH_INTRA_MODE );
251	curCost += m_cDdcFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DDC_FLAG );
252	curCost += m_cDdcDataSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DDC_DATA );
253	#if H_3D_DIM_DMM
254	curCost += m_cDmm1DataSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DMM1_DATA );
255	#if !SEC_DMM2_E0146
256	curCost += m_cDmm2DataSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DMM2_DATA );
257	#endif
258	curCost += m_cDmm3DataSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DMM3_DATA );
259	#endif
260	#if H_3D_DIM_RBC
261	curCost += m_cRbcDataSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_RBC_DATA );
262	#endif
263	}
264	#endif
265	if (curCost < bestCost)
266	{
267	bestSliceType = curSliceType;
268	bestCost = curCost;
269	}
270	}
271	m_pcSlice->getPPS()->setEncCABACTableIdx( bestSliceType );
272	}
273	else
274	{
275	m_pcSlice->getPPS()->setEncCABACTableIdx( I_SLICE );
276	}
277	}
278
279
280	/** The function does the followng: Write out terminate bit. Flush CABAC. Intialize CABAC states. Start CABAC.
281	*/
282	Void TEncSbac::updateContextTables( SliceType eSliceType, Int iQp, Bool bExecuteFinish )
283	{
284	m_pcBinIf->encodeBinTrm(1);
285	if (bExecuteFinish) m_pcBinIf->finish();
286	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
287
288	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
289	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
290	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
291	#if H_3D_ARP
292	m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW );
293	#endif
294	#if H_3D_IC
295	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
296	#endif
297	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
298	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
299	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
300	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
301	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
302	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
303	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
304	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
305	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
306	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
307	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
308	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
309	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
310	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
311	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
312	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
313	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
314	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
315	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
316	m_cSaoMergeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_FLAG );
317	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
318	m_cTransformSkipSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
319	m_CUTransquantBypassFlagSCModel.initBuffer( eSliceType, iQp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
320
321	#if H_3D_DIM
322	m_cDepthIntraModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DEPTH_INTRA_MODE );
323	m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG );
324	m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA );
325	#if H_3D_DIM_DMM
326	m_cDmm1DataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM1_DATA );
327	#if !SEC_DMM2_E0146
328	m_cDmm2DataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM2_DATA );
329	#endif
330	m_cDmm3DataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM3_DATA );
331	#endif
332	#if H_3D_DIM_RBC
333	m_cRbcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_RBC_DATA );
334	#endif
335	#if H_3D_DIM_SDC
336	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
337	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
338	#endif
339	#endif
340	m_pcBinIf->start();
341	}
342
343	Void TEncSbac::codeVPS( TComVPS* pcVPS )
344	{
345	assert (0);
346	return;
347	}
348
349	#if H_3D
350	Void TEncSbac::codeSPS( TComSPS* pcSPS, Int viewIndex, Bool depthFlag )
351	#else
352	Void TEncSbac::codeSPS( TComSPS* pcSPS )
353	#endif
354	{
355	assert (0);
356	return;
357	}
358
359	Void TEncSbac::codePPS( TComPPS* pcPPS )
360	{
361	assert (0);
362	return;
363	}
364
365	Void TEncSbac::codeSliceHeader( TComSlice* pcSlice )
366	{
367	assert (0);
368	return;
369	}
370
371	Void TEncSbac::codeTilesWPPEntryPoint( TComSlice* pSlice )
372	{
373	assert (0);
374	return;
375	}
376
377	Void TEncSbac::codeTerminatingBit( UInt uilsLast )
378	{
379	m_pcBinIf->encodeBinTrm( uilsLast );
380	}
381
382	Void TEncSbac::codeSliceFinish()
383	{
384	m_pcBinIf->finish();
385	}
386
387	Void TEncSbac::xWriteUnarySymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset )
388	{
389	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[0] );
390
391	if( 0 == uiSymbol)
392	{
393	return;
394	}
395
396	while( uiSymbol-- )
397	{
398	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ iOffset ] );
399	}
400
401	return;
402	}
403
404	Void TEncSbac::xWriteUnaryMaxSymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol )
405	{
406	if (uiMaxSymbol == 0)
407	{
408	return;
409	}
410
411	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ 0 ] );
412
413	if ( uiSymbol == 0 )
414	{
415	return;
416	}
417
418	Bool bCodeLast = ( uiMaxSymbol > uiSymbol );
419
420	while( --uiSymbol )
421	{
422	m_pcBinIf->encodeBin( 1, pcSCModel[ iOffset ] );
423	}
424	if( bCodeLast )
425	{
426	m_pcBinIf->encodeBin( 0, pcSCModel[ iOffset ] );
427	}
428
429	return;
430	}
431
432	Void TEncSbac::xWriteEpExGolomb( UInt uiSymbol, UInt uiCount )
433	{
434	UInt bins = 0;
435	Int numBins = 0;
436
437	while( uiSymbol >= (UInt)(1<<uiCount) )
438	{
439	bins = 2 * bins + 1;
440	numBins++;
441	uiSymbol -= 1 << uiCount;
442	uiCount ++;
443	}
444	bins = 2 * bins + 0;
445	numBins++;
446
447	bins = (bins << uiCount) \| uiSymbol;
448	numBins += uiCount;
449
450	assert( numBins <= 32 );
451	m_pcBinIf->encodeBinsEP( bins, numBins );
452	}
453
454	/** Coding of coeff_abs_level_minus3
455	* \param uiSymbol value of coeff_abs_level_minus3
456	* \param ruiGoRiceParam reference to Rice parameter
457	* \returns Void
458	*/
459	Void TEncSbac::xWriteCoefRemainExGolomb ( UInt symbol, UInt &rParam )
460	{
461	Int codeNumber = (Int)symbol;
462	UInt length;
463	if (codeNumber < (COEF_REMAIN_BIN_REDUCTION << rParam))
464	{
465	length = codeNumber>>rParam;
466	m_pcBinIf->encodeBinsEP( (1<<(length+1))-2 , length+1);
467	m_pcBinIf->encodeBinsEP((codeNumber%(1<<rParam)),rParam);
468	}
469	else
470	{
471	length = rParam;
472	codeNumber = codeNumber - ( COEF_REMAIN_BIN_REDUCTION << rParam);
473	while (codeNumber >= (1<<length))
474	{
475	codeNumber -= (1<<(length++));
476	}
477	m_pcBinIf->encodeBinsEP((1<<(COEF_REMAIN_BIN_REDUCTION+length+1-rParam))-2,COEF_REMAIN_BIN_REDUCTION+length+1-rParam);
478	m_pcBinIf->encodeBinsEP(codeNumber,length);
479	}
480	}
481
482	#if H_3D_DIM
483	Void TEncSbac::xWriteExGolombLevel( UInt uiSymbol, ContextModel& rcSCModel )
484	{
485	if( uiSymbol )
486	{
487	m_pcBinIf->encodeBin( 1, rcSCModel );
488	UInt uiCount = 0;
489	Bool bNoExGo = (uiSymbol < 13);
490
491	while( --uiSymbol && ++uiCount < 13 )
492	{
493	m_pcBinIf->encodeBin( 1, rcSCModel );
494	}
495	if( bNoExGo )
496	{
497	m_pcBinIf->encodeBin( 0, rcSCModel );
498	}
499	else
500	{
501	xWriteEpExGolomb( uiSymbol, 0 );
502	}
503	}
504	else
505	{
506	m_pcBinIf->encodeBin( 0, rcSCModel );
507	}
508
509	return;
510	}
511
512	Void TEncSbac::xCodeDimDeltaDC( Pel valDeltaDC, UInt dimType )
513	{
514	xWriteExGolombLevel( UInt( abs( valDeltaDC ) ), m_cDdcDataSCModel.get(0, 0, (RBC_IDX == dimType) ? 1 : 0) );
515	if( valDeltaDC != 0 )
516	{
517	UInt uiSign = valDeltaDC > 0 ? 0 : 1;
518	m_pcBinIf->encodeBinEP( uiSign );
519	}
520	}
521
522	#if H_3D_DIM_DMM
523	Void TEncSbac::xCodeDmm1WedgeIdx( UInt uiTabIdx, Int iNumBit )
524	{
525	for ( Int i = 0; i < iNumBit; i++ )
526	{
527	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmm1DataSCModel.get(0, 0, 0) );
528	}
529	}
530
531	#if !SEC_DMM2_E0146
532	Void TEncSbac::xCodeDmm2Offset( Int iOffset )
533	{
534	if( DMM2_DELTAEND_MAX > 0 )
535	{
536	m_pcBinIf->encodeBin( (iOffset != 0) , m_cDmm2DataSCModel.get(0, 0, 0) );
537	if( iOffset != 0 )
538	{
539	UInt uiAbsValMinus1 = abs(iOffset)-1;
540	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x01), m_cDmm2DataSCModel.get(0, 0, 0) );
541	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x02) >> 1, m_cDmm2DataSCModel.get(0, 0, 0) );
542
543	UInt uiSign = (iOffset > 0) ? 0 : 1;
544	m_pcBinIf->encodeBinEP( uiSign );
545	}
546	}
547	}
548	#endif
549
550	Void TEncSbac::xCodeDmm3WedgeIdx( UInt uiIntraIdx, Int iNumBit )
551	{
552	for( Int i = 0; i < iNumBit; i++ )
553	{
554	m_pcBinIf->encodeBin( ( uiIntraIdx >> i ) & 1, m_cDmm3DataSCModel.get(0, 0, 0) );
555	}
556	}
557	#endif
558	#if H_3D_DIM_RBC
559	Void TEncSbac::xCodeRbcEdge( TComDataCU* pcCU, UInt uiAbsPartIdx )
560	{
561	UInt uiDepth = pcCU->getDepth( uiAbsPartIdx ) + (pcCU->getPartitionSize( uiAbsPartIdx ) == SIZE_NxN ? 1 : 0);
562	UChar* pucSymbolList = pcCU->getEdgeCode ( uiAbsPartIdx );
563	UChar ucEdgeNumber = pcCU->getEdgeNumber ( uiAbsPartIdx );
564	Bool bLeft = pcCU->getEdgeLeftFirst( uiAbsPartIdx );
565	UChar ucStart = pcCU->getEdgeStartPos ( uiAbsPartIdx );
566	UInt uiSymbol;
567
568	// 1. Top(0) or Left(1)
569	uiSymbol = (bLeft == false) ? 0 : 1;
570	m_pcBinIf->encodeBinEP( uiSymbol );
571
572	// 2. Start position (lowest bit first)
573	uiSymbol = ucStart;
574	for( UInt ui = 6; ui > uiDepth; ui-- ) // 64(0)->6, 32(1)->5, 16(2)->4, 8(3)->3, 4(4)->2
575	{
576	m_pcBinIf->encodeBinEP( uiSymbol & 0x1 );
577	uiSymbol >>= 1;
578	}
579
580	// 3. Number of edges
581	uiSymbol = ucEdgeNumber > 0 ? ucEdgeNumber - 1 : 0;
582	for( UInt ui = 7; ui > uiDepth; ui-- ) // 64(0)->7, 32(1)->6, 16(2)->5, 8(3)->4, 4(4)->3
583	{
584	m_pcBinIf->encodeBinEP( uiSymbol & 0x1 );
585	uiSymbol >>= 1;
586	}
587
588	if(uiSymbol != 0)
589	{
590	printf(" ucEdgeNumber %d at depth %d\n",ucEdgeNumber, uiDepth);
591	assert(false);
592	}
593
594	// 4. Edges
595	for( Int iPtr2 = 0; iPtr2 < ucEdgeNumber; iPtr2++ )
596	{
597	UInt uiReorderSymbol = pucSymbolList[iPtr2];
598	for( UInt ui = 0; ui < uiReorderSymbol; ui++ )
599	{
600	m_pcBinIf->encodeBin( 1, m_cRbcDataSCModel.get( 0, 0, 0 ) );
601	}
602
603	if( uiReorderSymbol != 6 )
604	m_pcBinIf->encodeBin( 0, m_cRbcDataSCModel.get( 0, 0, 0 ) );
605	}
606	}
607	#endif
608	#if H_3D_DIM_SDC
609	Void TEncSbac::xCodeSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiSegment )
610	{
611	assert( pcCU->getSlice()->getIsDepth() );
612	assert( pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N );
613	assert( pcCU->getSDCFlag(uiAbsPartIdx) );
614	assert( uiSegment < 2 );
615
616	Pel segmentDCOffset = pcCU->getSDCSegmentDCOffset(uiSegment, uiAbsPartIdx);
617
618	UInt uiResidual = segmentDCOffset == 0 ? 0 : 1;
619	UInt uiSign = segmentDCOffset < 0 ? 1 : 0;
620	UInt uiAbsIdx = abs(segmentDCOffset);
621
622	#if H_3D_DIM_DLT
623	UInt uiMaxResidualBits = pcCU->getSlice()->getVPS()->getBitsPerDepthValue( pcCU->getSlice()->getLayerIdInVps() );
624	#else
625	UInt uiMaxResidualBits = g_bitDepthY;
626	#endif
627
628	assert( uiMaxResidualBits <= g_bitDepthY );
629
630	// residual flag
631	m_pcBinIf->encodeBin( uiResidual, m_cSDCResidualFlagSCModel.get( 0, 0, 0 ) );
632
633	if (uiResidual)
634	{
635	// encode sign bit of residual
636	m_pcBinIf->encodeBinEP( uiSign );
637
638	#if H_3D_DIM_DLT
639	UInt uiNumDepthValues = pcCU->getSlice()->getVPS()->getNumDepthValues( pcCU->getSlice()->getLayerIdInVps() );
640	#else
641	UInt uiNumDepthValues = ((1 << g_bitDepthY)-1);
642	#endif
643	assert(uiAbsIdx <= uiNumDepthValues);
644
645	// encode residual magnitude
646	uiAbsIdx -= 1;
647	// prefix part
648	if ( uiAbsIdx == 0 )
649	m_pcBinIf->encodeBin( 0, m_cSDCResidualSCModel.get(0, 0, 0) );
650	else
651	{
652	UInt l = uiAbsIdx;
653	UInt k = 0;
654	UInt uiPrefixThreshold = ((uiNumDepthValues * 3) >> 2);
655	while ( l > 0 && k < uiPrefixThreshold )
656	{
657	m_pcBinIf->encodeBin( 1, m_cSDCResidualSCModel.get(0, 0, 0) );
658	l--;
659	k++;
660	}
661	if ( uiAbsIdx < uiPrefixThreshold )
662	m_pcBinIf->encodeBin( 0, m_cSDCResidualSCModel.get(0, 0, 0) );
663	// suffix part
664	else
665	{
666	uiAbsIdx -= uiPrefixThreshold;
667	UInt uiSuffixLength = numBitsForValue(uiNumDepthValues - uiPrefixThreshold);
668	UInt uiBitInfo = 0;
669	for ( Int i = 0; i < uiSuffixLength; i++)
670	{
671	uiBitInfo = ( uiAbsIdx & ( 1 << i ) ) >> i;
672	m_pcBinIf->encodeBinEP( uiBitInfo);
673	}
674	}
675	}
676
677	}
678	}
679	#endif
680	#endif
681
682	// SBAC RD
683	Void TEncSbac::load ( TEncSbac* pSrc)
684	{
685	this->xCopyFrom(pSrc);
686	}
687
688	Void TEncSbac::loadIntraDirModeLuma( TEncSbac* pSrc)
689	{
690	m_pcBinIf->copyState( pSrc->m_pcBinIf );
691
692	this->m_cCUIntraPredSCModel .copyFrom( &pSrc->m_cCUIntraPredSCModel );
693	}
694	#if H_3D_DIM
695	Void TEncSbac::loadIntraDepthMode( TEncSbac* pSrc)
696	{
697	m_pcBinIf->copyState( pSrc->m_pcBinIf );
698
699	this->m_cDepthIntraModeSCModel .copyFrom( &pSrc->m_cDepthIntraModeSCModel );
700	this->m_cDdcFlagSCModel .copyFrom( &pSrc->m_cDdcFlagSCModel );
701	}
702	#endif
703
704	Void TEncSbac::store( TEncSbac* pDest)
705	{
706	pDest->xCopyFrom( this );
707	}
708
709
710	Void TEncSbac::xCopyFrom( TEncSbac* pSrc )
711	{
712	m_pcBinIf->copyState( pSrc->m_pcBinIf );
713
714	this->m_uiCoeffCost = pSrc->m_uiCoeffCost;
715	this->m_uiLastQp = pSrc->m_uiLastQp;
716
717	memcpy( m_contextModels, pSrc->m_contextModels, m_numContextModels * sizeof( ContextModel ) );
718	}
719
720	Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
721	{
722	Int iSymbol = pcCU->getMVPIdx(eRefList, uiAbsPartIdx);
723	Int iNum = AMVP_MAX_NUM_CANDS;
724
725	xWriteUnaryMaxSymbol(iSymbol, m_cMVPIdxSCModel.get(0), 1, iNum-1);
726	#if H_MV_ENC_DEC_TRAC
727	#if ENC_DEC_TRACE
728	if ( eRefList == REF_PIC_LIST_0 )
729	{
730	DTRACE_PU("mvp_l0_flag", iSymbol)
731	}
732	else
733	{
734	DTRACE_PU("mvp_l1_flag", iSymbol)
735	}
736	#endif
737	#endif
738	}
739
740	Void TEncSbac::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
741	{
742	PartSize eSize = pcCU->getPartitionSize( uiAbsPartIdx );
743	#if H_3D_QTLPC
744	TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS();
745	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
746	Bool bDepthMapDetect = (pcTexture != NULL);
747	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
748
749	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);
750
751	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && sps->getUseQTL() && sps->getUsePC() )
752	{
753	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
754	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
755	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
756	if (pcTextureCU->getDepth(uiCUIdx) == uiDepth && pcTextureCU->getPartitionSize( uiCUIdx ) != SIZE_NxN)
757	{
758	assert( eSize == SIZE_2Nx2N );
759	return;
760	}
761	}
762	#endif
763	if ( pcCU->isIntra( uiAbsPartIdx ) )
764	{
765	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
766	{
767	m_pcBinIf->encodeBin( eSize == SIZE_2Nx2N? 1 : 0, m_cCUPartSizeSCModel.get( 0, 0, 0 ) );
768	#if H_MV_ENC_DEC_TRAC
769	DTRACE_CU("part_mode", eSize == SIZE_2Nx2N? 1 : 0)
770	#endif
771	}
772	return;
773	}
774
775	#if H_MV_ENC_DEC_TRAC
776	DTRACE_CU("part_mode", eSize )
777	#endif
778	switch(eSize)
779	{
780	case SIZE_2Nx2N:
781	{
782	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
783	break;
784	}
785	case SIZE_2NxN:
786	case SIZE_2NxnU:
787	case SIZE_2NxnD:
788	{
789	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
790	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
791	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
792	{
793	if (eSize == SIZE_2NxN)
794	{
795	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
796	}
797	else
798	{
799	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
800	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
801	}
802	}
803	break;
804	}
805	case SIZE_Nx2N:
806	case SIZE_nLx2N:
807	case SIZE_nRx2N:
808	{
809	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
810	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
811	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
812	{
813	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 2) );
814	}
815	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
816	{
817	if (eSize == SIZE_Nx2N)
818	{
819	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
820	}
821	else
822	{
823	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
824	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
825	}
826	}
827	break;
828	}
829	case SIZE_NxN:
830	{
831	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
832	{
833	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
834	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
835	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 2) );
836	}
837	break;
838	}
839	default:
840	{
841	assert(0);
842	}
843	}
844	}
845
846	/** code prediction mode
847	* \param pcCU
848	* \param uiAbsPartIdx
849	* \returns Void
850	*/
851	Void TEncSbac::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
852	{
853	#if H_3D_DIM_SDC
854	if ( pcCU->getSlice()->isIntra() )
855	{
856	assert( pcCU->isIntra(uiAbsPartIdx) );
857	return;
858	}
859	#endif
860
861	// get context function is here
862	Int iPredMode = pcCU->getPredictionMode( uiAbsPartIdx );
863	m_pcBinIf->encodeBin( iPredMode == MODE_INTER ? 0 : 1, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
864	#if H_MV_ENC_DEC_TRAC
865	DTRACE_CU("pred_mode_flag", iPredMode == MODE_INTER ? 0 : 1);
866	#endif
867	}
868
869	Void TEncSbac::codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
870	{
871	UInt uiSymbol = pcCU->getCUTransquantBypass(uiAbsPartIdx);
872	m_pcBinIf->encodeBin( uiSymbol, m_CUTransquantBypassFlagSCModel.get( 0, 0, 0 ) );
873	#if H_MV_ENC_DEC_TRAC
874	DTRACE_CU("cu_transquant_bypass_flag", uiSymbol);
875	#endif
876	}
877
878	/** code skip flag
879	* \param pcCU
880	* \param uiAbsPartIdx
881	* \returns Void
882	*/
883	Void TEncSbac::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
884	{
885	// get context function is here
886	UInt uiSymbol = pcCU->isSkipped( uiAbsPartIdx ) ? 1 : 0;
887	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ) ;
888	m_pcBinIf->encodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
889	#if !H_MV_ENC_DEC_TRAC
890	DTRACE_CABAC_VL( g_nSymbolCounter++ );
891	DTRACE_CABAC_T( "\tSkipFlag" );
892	DTRACE_CABAC_T( "\tuiCtxSkip: ");
893	DTRACE_CABAC_V( uiCtxSkip );
894	DTRACE_CABAC_T( "\tuiSymbol: ");
895	DTRACE_CABAC_V( uiSymbol );
896	DTRACE_CABAC_T( "\n");
897	#else
898	DTRACE_CU("cu_skip_flag", uiSymbol);
899	#endif
900	}
901
902	/** code merge flag
903	* \param pcCU
904	* \param uiAbsPartIdx
905	* \returns Void
906	*/
907	Void TEncSbac::codeMergeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
908	{
909	const UInt uiSymbol = pcCU->getMergeFlag( uiAbsPartIdx ) ? 1 : 0;
910	m_pcBinIf->encodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
911
912	#if H_MV_ENC_DEC_TRAC
913	DTRACE_PU("merge_flag", uiSymbol);
914	#else
915	DTRACE_CABAC_VL( g_nSymbolCounter++ );
916	DTRACE_CABAC_T( "\tMergeFlag: " );
917	DTRACE_CABAC_V( uiSymbol );
918	DTRACE_CABAC_T( "\tAddress: " );
919	DTRACE_CABAC_V( pcCU->getAddr() );
920	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
921	DTRACE_CABAC_V( uiAbsPartIdx );
922	DTRACE_CABAC_T( "\n" );
923	#endif
924	}
925
926	/** code merge index
927	* \param pcCU
928	* \param uiAbsPartIdx
929	* \returns Void
930	*/
931	Void TEncSbac::codeMergeIndex( TComDataCU* pcCU, UInt uiAbsPartIdx )
932	{
933	UInt uiUnaryIdx = pcCU->getMergeIndex( uiAbsPartIdx );
934	UInt uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
935	if ( uiNumCand > 1 )
936	{
937	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
938	{
939	const UInt uiSymbol = ui == uiUnaryIdx ? 0 : 1;
940	if ( ui==0 )
941	{
942	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
943	}
944	else
945	{
946	m_pcBinIf->encodeBinEP( uiSymbol );
947	}
948	if( uiSymbol == 0 )
949	{
950	break;
951	}
952	}
953	#if H_MV_ENC_DEC_TRAC
954	DTRACE_PU("merge_idx", uiUnaryIdx);
955	#endif
956	}
957	#if !H_MV_ENC_DEC_TRAC
958	DTRACE_CABAC_VL( g_nSymbolCounter++ );
959	DTRACE_CABAC_T( "\tparseMergeIndex()" );
960	DTRACE_CABAC_T( "\tuiMRGIdx= " );
961	DTRACE_CABAC_V( pcCU->getMergeIndex( uiAbsPartIdx ) );
962	DTRACE_CABAC_T( "\n" );
963	#endif
964	}
965
966	#if H_3D_ARP
967	Void TEncSbac::codeARPW( TComDataCU* pcCU, UInt uiAbsPartIdx )
968	{
969	Int iW = (Int)pcCU->getARPW( uiAbsPartIdx );
970	Int iMaxW = pcCU->getSlice()->getARPStepNum() - 1;
971	assert( iMaxW > 0);
972
973	Int nOffset = pcCU->getCTXARPWFlag(uiAbsPartIdx);
974	Int nBinNum = iW + ( iW != iMaxW );
975	m_pcBinIf->encodeBin( iW ? 1 : 0 , m_cCUPUARPWSCModel.get( 0, 0, 0 + nOffset ) );
976	if( nBinNum > 1 )
977	{
978	m_pcBinIf->encodeBin( ( iW == iMaxW ) ? 1 : 0, m_cCUPUARPWSCModel.get( 0, 0, 3 ) );
979	}
980	#if H_MV_ENC_DEC_TRAC
981	DTRACE_CU("iv_res_pred_weight_idx", iW);
982	#endif
983	}
984	#endif
985
986	#if H_3D_IC
987	/** code Illumination Compensation flag
988	* \param pcCU
989	* \param uiAbsPartIdx
990	* \returns Void
991	*/
992	Void TEncSbac::codeICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
993	{
994	// get context function is here
995	UInt uiSymbol = pcCU->getICFlag( uiAbsPartIdx ) ? 1 : 0;
996	UInt uiCtxIC = pcCU->getCtxICFlag( uiAbsPartIdx ) ;
997	m_pcBinIf->encodeBin( uiSymbol, m_cCUICFlagSCModel.get( 0, 0, uiCtxIC ) );
998	#if !H_MV_ENC_DEC_TRAC
999	DTRACE_CABAC_VL( g_nSymbolCounter++ );
1000	DTRACE_CABAC_T( "\tICFlag" );
1001	DTRACE_CABAC_T( "\tuiCtxIC: ");
1002	DTRACE_CABAC_V( uiCtxIC );
1003	DTRACE_CABAC_T( "\tuiSymbol: ");
1004	DTRACE_CABAC_V( uiSymbol );
1005	DTRACE_CABAC_T( "\n");
1006	#else
1007	DTRACE_CU("ic_flag", uiSymbol );
1008	#endif
1009	}
1010	#endif
1011
1012
1013	Void TEncSbac::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
1014	{
1015	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
1016	return;
1017
1018	UInt uiCtx = pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth );
1019	UInt uiCurrSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0;
1020
1021	assert( uiCtx < 3 );
1022	#if H_3D_QTLPC
1023	Bool bCodeSplitFlag = true;
1024
1025	TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS();
1026	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
1027	Bool bDepthMapDetect = (pcTexture != NULL);
1028	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
1029
1030	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);
1031
1032	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && sps->getUseQTL() && sps->getUsePC())
1033	{
1034	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
1035	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
1036	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
1037	bCodeSplitFlag = (pcTextureCU->getDepth(uiCUIdx) > uiDepth);
1038	}
1039
1040	if(!bCodeSplitFlag)
1041	{
1042	assert(uiCurrSplitFlag == 0);
1043	return;
1044	}
1045	#endif
1046	m_pcBinIf->encodeBin( uiCurrSplitFlag, m_cCUSplitFlagSCModel.get( 0, 0, uiCtx ) );
1047	#if !H_MV_ENC_DEC_TRAC
1048	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1049	DTRACE_CABAC_T( "\tSplitFlag\n" )
1050	#else
1051	DTRACE_CU("split_cu_flag", uiCurrSplitFlag );
1052	#endif
1053	return;
1054	}
1055
1056	Void TEncSbac::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx )
1057	{
1058	m_pcBinIf->encodeBin( uiSymbol, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiCtx ) );
1059	#if !H_MV_ENC_DEC_TRAC
1060	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1061	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
1062	DTRACE_CABAC_T( "\tsymbol=" )
1063	DTRACE_CABAC_V( uiSymbol )
1064	DTRACE_CABAC_T( "\tctx=" )
1065	DTRACE_CABAC_V( uiCtx )
1066	DTRACE_CABAC_T( "\n" )
1067	#endif
1068	}
1069
1070	Void TEncSbac::codeIntraDirLumaAng( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple)
1071	{
1072	UInt dir[4],j;
1073	Int preds[4][3] = {{-1, -1, -1},{-1, -1, -1},{-1, -1, -1},{-1, -1, -1}};
1074	Int predNum[4], predIdx[4] ={ -1,-1,-1,-1};
1075	PartSize mode = pcCU->getPartitionSize( absPartIdx );
1076	UInt partNum = isMultiple?(mode==SIZE_NxN?4:1):1;
1077	UInt partOffset = ( pcCU->getPic()->getNumPartInCU() >> ( pcCU->getDepth(absPartIdx) << 1 ) ) >> 2;
1078	for (j=0;j<partNum;j++)
1079	{
1080	dir[j] = pcCU->getLumaIntraDir( absPartIdx+partOffset*j );
1081	#if H_3D_DIM
1082	if( pcCU->getSlice()->getVpsDepthModesFlag() )
1083	{
1084	codeIntraDepth( pcCU, absPartIdx+partOffset*j );
1085	}
1086	if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1087	#if H_3D_DIM_SDC
1088	if( !pcCU->getSDCFlag( absPartIdx+partOffset*j ) )
1089	#endif
1090	{
1091	#endif
1092	predNum[j] = pcCU->getIntraDirLumaPredictor(absPartIdx+partOffset*j, preds[j]);
1093	for(UInt i = 0; i < predNum[j]; i++)
1094	{
1095	if(dir[j] == preds[j][i])
1096	{
1097	predIdx[j] = i;
1098	}
1099	}
1100	m_pcBinIf->encodeBin((predIdx[j] != -1)? 1 : 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1101	#if H_MV_ENC_DEC_TRAC
1102	DTRACE_CU("prev_intra_luma_pred_flag", (predIdx[j] != -1)? 1 : 0);
1103	#endif
1104	#if H_3D_DIM
1105	}
1106	#endif
1107
1108	}
1109	for (j=0;j<partNum;j++)
1110	{
1111	#if H_3D_DIM
1112	if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1113	#if H_3D_DIM_SDC
1114	if( !pcCU->getSDCFlag( absPartIdx+partOffset*j ) )
1115	#endif
1116	{
1117	#endif
1118	if(predIdx[j] != -1)
1119	{
1120	m_pcBinIf->encodeBinEP( predIdx[j] ? 1 : 0 );
1121	if (predIdx[j])
1122	{
1123	m_pcBinIf->encodeBinEP( predIdx[j]-1 );
1124	}
1125	#if H_MV_ENC_DEC_TRAC
1126	DTRACE_CU("mpm_idx", predIdx[j] );
1127	#endif
1128	}
1129	else
1130	{
1131	if (preds[j][0] > preds[j][1])
1132	{
1133	std::swap(preds[j][0], preds[j][1]);
1134	}
1135	if (preds[j][0] > preds[j][2])
1136	{
1137	std::swap(preds[j][0], preds[j][2]);
1138	}
1139	if (preds[j][1] > preds[j][2])
1140	{
1141	std::swap(preds[j][1], preds[j][2]);
1142	}
1143	for(Int i = (predNum[j] - 1); i >= 0; i--)
1144	{
1145	dir[j] = dir[j] > preds[j][i] ? dir[j] - 1 : dir[j];
1146	}
1147	m_pcBinIf->encodeBinsEP( dir[j], 5 );
1148	#if H_MV_ENC_DEC_TRAC
1149	DTRACE_CU("rem_intra_luma_pred_mode", dir[j] );
1150	#endif
1151	}
1152	#if H_3D_DIM
1153	}
1154	#endif
1155	}
1156	return;
1157	}
1158
1159	Void TEncSbac::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx )
1160	{
1161	UInt uiIntraDirChroma = pcCU->getChromaIntraDir( uiAbsPartIdx );
1162
1163	if( uiIntraDirChroma == DM_CHROMA_IDX )
1164	{
1165	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1166	#if H_MV_ENC_DEC_TRAC
1167	DTRACE_CU("intra_chroma_pred_mode", 0 );
1168	#endif
1169	}
1170	else
1171	{
1172	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1173	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1174
1175	for( Int i = 0; i < NUM_CHROMA_MODE - 1; i++ )
1176	{
1177	if( uiIntraDirChroma == uiAllowedChromaDir[i] )
1178	{
1179	uiIntraDirChroma = i;
1180	break;
1181	}
1182	}
1183	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1184
1185	m_pcBinIf->encodeBinsEP( uiIntraDirChroma, 2 );
1186	#if H_MV_ENC_DEC_TRAC
1187	DTRACE_CU("intra_chroma_pred_mode", uiIntraDirChroma );
1188	#endif
1189
1190	}
1191	return;
1192	}
1193
1194	#if H_3D_DIM
1195	Void TEncSbac::codeIntraDepth( TComDataCU* pcCU, UInt absPartIdx )
1196	{
1197	codeIntraDepthMode( pcCU, absPartIdx );
1198
1199	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
1200	UInt dimType = getDimType( dir );
1201
1202	switch( dimType )
1203	{
1204	#if H_3D_DIM_DMM
1205	case( DMM1_IDX ):
1206	{
1207	xCodeDmm1WedgeIdx( pcCU->getDmmWedgeTabIdx( dimType, absPartIdx ), g_dmm1TabIdxBits[pcCU->getIntraSizeIdx(absPartIdx)] );
1208	} break;
1209	#if !SEC_DMM2_E0146
1210	case( DMM2_IDX ):
1211	{
1212	xCodeDmm2Offset( pcCU->getDmm2DeltaEnd( absPartIdx ) );
1213	} break;
1214	#endif
1215	case( DMM3_IDX ):
1216	{
1217	xCodeDmm3WedgeIdx( pcCU->getDmm3IntraTabIdx( absPartIdx ), g_dmm3IntraTabIdxBits[pcCU->getIntraSizeIdx(absPartIdx)] );
1218	} break;
1219	case( DMM4_IDX ): break;
1220	#endif
1221	#if H_3D_DIM_RBC
1222	case( RBC_IDX ):
1223	{
1224	assert( pcCU->getWidth( absPartIdx ) < 64 );
1225	xCodeRbcEdge( pcCU, absPartIdx );
1226	} break;
1227	#endif
1228	default: break;
1229	}
1230
1231	#if H_3D_DIM_SDC
1232	if( pcCU->getSDCFlag( absPartIdx ) )
1233	{
1234	assert(pcCU->getPartitionSize(absPartIdx)==SIZE_2Nx2N);
1235	UInt uiNumSegments = ( dir == DC_IDX \|\| dir == PLANAR_IDX )? 1 : 2;
1236	for(UInt uiSeg=0; uiSeg<uiNumSegments; uiSeg++)
1237	{
1238	xCodeSDCResidualData(pcCU, absPartIdx, uiSeg);
1239	}
1240	}
1241	else
1242	{
1243	#endif
1244	if( dimType < DIM_NUM_TYPE )
1245	{
1246	UInt dimDeltaDC = isDimDeltaDC( dir );
1247	m_pcBinIf->encodeBin( dimDeltaDC, m_cDdcFlagSCModel.get(0, 0, (RBC_IDX == dimType) ? 1 : 0) );
1248	if( dimDeltaDC )
1249	{
1250	for( UInt segment = 0; segment < 2; segment++ )
1251	{
1252	xCodeDimDeltaDC( pcCU->getDimDeltaDC( dimType, segment, absPartIdx ), dimType );
1253	}
1254	}
1255	}
1256	#if H_3D_DIM_SDC
1257	}
1258	#endif
1259	}
1260
1261	Void TEncSbac::codeIntraDepthMode( TComDataCU* pcCU, UInt absPartIdx )
1262	{
1263	#if SEC_DMM2_E0146
1264	UInt codeWordTable[3][8] = {{0, 0, 0, 2, 0,6, 0, 7},{0, 2, 3, 4, 5, 6, 14, 15},{0, 2, 0, 0, 0, 0, 3, 0}};
1265	UInt codeWordLenTable[3][8] = {{0, 1, 0, 2, 0,3, 0, 3},{2, 3, 3, 3, 3, 3, 4, 4},{1, 2, 0, 0, 0, 0, 2, 0}};
1266	#else
1267	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}};
1268	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}};
1269	#endif
1270	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
1271	UInt puIdx = (pcCU->getWidth(absPartIdx) == 64) ? 2 : ( (pcCU->getPartitionSize(absPartIdx) == SIZE_NxN && pcCU->getWidth(absPartIdx) == 8) ? 0 : 1 );
1272	UInt codeIdx = 0;
1273
1274	if( dir < NUM_INTRA_MODE )
1275	{
1276	codeIdx = 1;
1277	}
1278	if( isDimMode( dir ) )
1279	{
1280	switch( getDimType( dir ) )
1281	{
1282	case DMM1_IDX: codeIdx = 3; break;
1283	case DMM4_IDX: codeIdx = 4; break;
1284	case DMM3_IDX: codeIdx = 5; break;
1285	#if SEC_DMM2_E0146
1286	case RBC_IDX: codeIdx = 7; break;
1287	#else
1288	case DMM2_IDX: codeIdx = 7; break;
1289	case RBC_IDX: codeIdx = 8; break;
1290	#endif
1291	default: break;
1292	}
1293	}
1294
1295	#if H_3D_DIM_SDC
1296	if( pcCU->getSDCFlag( absPartIdx ) )
1297	{
1298	switch( dir )
1299	{
1300	case PLANAR_IDX: codeIdx = 0; break;
1301	case DC_IDX: codeIdx = 6; break;
1302	default: codeIdx = 2; break;
1303	}
1304	}
1305	#endif
1306	//mode coding
1307	for( UInt i = 0; i < codeWordLenTable[puIdx][codeIdx]; i++ )
1308	{
1309	UInt bit = codeWordTable[puIdx][codeIdx] & ( 1<<(codeWordLenTable[puIdx][codeIdx] - i - 1) );
1310	UInt ctxDepthMode = puIdx*3 + ( (i >= 2) ? 2 : i );
1311	m_pcBinIf->encodeBin( bit!=0 , m_cDepthIntraModeSCModel.get(0, 0, ctxDepthMode) );
1312	}
1313	}
1314	#endif
1315
1316
1317	Void TEncSbac::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
1318	{
1319	const UInt uiInterDir = pcCU->getInterDir( uiAbsPartIdx ) - 1;
1320	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1321	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1322	if (pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N \|\| pcCU->getHeight(uiAbsPartIdx) != 8 )
1323	{
1324	m_pcBinIf->encodeBin( uiInterDir == 2 ? 1 : 0, *( pCtx + uiCtx ) );
1325	}
1326	if (uiInterDir < 2)
1327	{
1328	m_pcBinIf->encodeBin( uiInterDir, *( pCtx + 4 ) );
1329	}
1330	#if H_MV_ENC_DEC_TRAC
1331	DTRACE_PU("inter_pred_idc", uiInterDir );
1332	#endif
1333
1334	return;
1335	}
1336
1337	Void TEncSbac::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1338	{
1339	{
1340	Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1341	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1342	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1343
1344	if( iRefFrame > 0 )
1345	{
1346	UInt uiRefNum = pcCU->getSlice()->getNumRefIdx( eRefList ) - 2;
1347	pCtx++;
1348	iRefFrame--;
1349	for( UInt ui = 0; ui < uiRefNum; ++ui )
1350	{
1351	const UInt uiSymbol = ui == iRefFrame ? 0 : 1;
1352	if( ui == 0 )
1353	{
1354	m_pcBinIf->encodeBin( uiSymbol, *pCtx );
1355	}
1356	else
1357	{
1358	m_pcBinIf->encodeBinEP( uiSymbol );
1359	}
1360	if( uiSymbol == 0 )
1361	{
1362	break;
1363	}
1364	}
1365	}
1366	#if H_MV_ENC_DEC_TRAC
1367	#if ENC_DEC_TRACE
1368	iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1369	if ( eRefList == REF_PIC_LIST_0 )
1370	{
1371	DTRACE_PU("ref_idx_l0", iRefFrame)
1372	}
1373	else
1374	{
1375	DTRACE_PU("ref_idx_l1", iRefFrame)
1376	}
1377	#endif
1378	#endif
1379	}
1380	return;
1381	}
1382
1383	Void TEncSbac::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1384	{
1385	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1386	{
1387	return;
1388	}
1389
1390	const TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList );
1391	const Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor();
1392	const Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer();
1393	ContextModel* pCtx = m_cCUMvdSCModel.get( 0 );
1394
1395	m_pcBinIf->encodeBin( iHor != 0 ? 1 : 0, *pCtx );
1396	m_pcBinIf->encodeBin( iVer != 0 ? 1 : 0, *pCtx );
1397
1398	const Bool bHorAbsGr0 = iHor != 0;
1399	const Bool bVerAbsGr0 = iVer != 0;
1400	const UInt uiHorAbs = 0 > iHor ? -iHor : iHor;
1401	const UInt uiVerAbs = 0 > iVer ? -iVer : iVer;
1402	pCtx++;
1403
1404	if( bHorAbsGr0 )
1405	{
1406	m_pcBinIf->encodeBin( uiHorAbs > 1 ? 1 : 0, *pCtx );
1407	}
1408
1409	if( bVerAbsGr0 )
1410	{
1411	m_pcBinIf->encodeBin( uiVerAbs > 1 ? 1 : 0, *pCtx );
1412	}
1413
1414	if( bHorAbsGr0 )
1415	{
1416	if( uiHorAbs > 1 )
1417	{
1418	xWriteEpExGolomb( uiHorAbs-2, 1 );
1419	}
1420
1421	m_pcBinIf->encodeBinEP( 0 > iHor ? 1 : 0 );
1422	}
1423
1424	if( bVerAbsGr0 )
1425	{
1426	if( uiVerAbs > 1 )
1427	{
1428	xWriteEpExGolomb( uiVerAbs-2, 1 );
1429	}
1430
1431	m_pcBinIf->encodeBinEP( 0 > iVer ? 1 : 0 );
1432	}
1433
1434	return;
1435	}
1436
1437	Void TEncSbac::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx )
1438	{
1439	Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
1440
1441	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY();
1442	iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
1443
1444	UInt uiAbsDQp = (UInt)((iDQp > 0)? iDQp : (-iDQp));
1445	UInt TUValue = min((Int)uiAbsDQp, CU_DQP_TU_CMAX);
1446	xWriteUnaryMaxSymbol( TUValue, &m_cCUDeltaQpSCModel.get( 0, 0, 0 ), 1, CU_DQP_TU_CMAX);
1447	if( uiAbsDQp >= CU_DQP_TU_CMAX )
1448	{
1449	xWriteEpExGolomb( uiAbsDQp - CU_DQP_TU_CMAX, CU_DQP_EG_k );
1450	}
1451
1452	if ( uiAbsDQp > 0)
1453	{
1454	UInt uiSign = (iDQp > 0 ? 0 : 1);
1455	m_pcBinIf->encodeBinEP(uiSign);
1456	}
1457
1458	return;
1459	}
1460
1461	Void TEncSbac::codeQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth )
1462	{
1463	UInt uiCbf = pcCU->getCbf ( uiAbsPartIdx, eType, uiTrDepth );
1464	UInt uiCtx = pcCU->getCtxQtCbf( eType, uiTrDepth );
1465	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) );
1466	#if !H_MV_ENC_DEC_TRAC
1467	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1468	DTRACE_CABAC_T( "\tparseQtCbf()" )
1469	DTRACE_CABAC_T( "\tsymbol=" )
1470	DTRACE_CABAC_V( uiCbf )
1471	DTRACE_CABAC_T( "\tctx=" )
1472	DTRACE_CABAC_V( uiCtx )
1473	DTRACE_CABAC_T( "\tetype=" )
1474	DTRACE_CABAC_V( eType )
1475	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1476	DTRACE_CABAC_V( uiAbsPartIdx )
1477	DTRACE_CABAC_T( "\n" )
1478	#endif
1479	}
1480
1481	void TEncSbac::codeTransformSkipFlags (TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, TextType eTType )
1482	{
1483	if (pcCU->getCUTransquantBypass(uiAbsPartIdx))
1484	{
1485	return;
1486	}
1487	if(width != 4 \|\| height != 4)
1488	{
1489	return;
1490	}
1491
1492	UInt useTransformSkip = pcCU->getTransformSkip( uiAbsPartIdx,eTType);
1493	m_pcBinIf->encodeBin( useTransformSkip, m_cTransformSkipSCModel.get( 0, eTType? TEXT_CHROMA: TEXT_LUMA, 0 ) );
1494	#if !H_MV_ENC_DEC_TRAC
1495	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1496	DTRACE_CABAC_T("\tparseTransformSkip()");
1497	DTRACE_CABAC_T( "\tsymbol=" )
1498	DTRACE_CABAC_V( useTransformSkip )
1499	DTRACE_CABAC_T( "\tAddr=" )
1500	DTRACE_CABAC_V( pcCU->getAddr() )
1501	DTRACE_CABAC_T( "\tetype=" )
1502	DTRACE_CABAC_V( eTType )
1503	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1504	DTRACE_CABAC_V( uiAbsPartIdx )
1505	DTRACE_CABAC_T( "\n" )
1506	#endif
1507	}
1508
1509	/** Code I_PCM information.
1510	* \param pcCU pointer to CU
1511	* \param uiAbsPartIdx CU index
1512	* \returns Void
1513	*/
1514	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
1515	{
1516	UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0;
1517
1518	Bool writePCMSampleFlag = pcCU->getIPCMFlag(uiAbsPartIdx);
1519
1520	m_pcBinIf->encodeBinTrm (uiIPCM);
1521	#if H_MV_ENC_DEC_TRAC
1522	DTRACE_CU("pcm_flag", uiIPCM)
1523	#endif
1524	if (writePCMSampleFlag)
1525	{
1526	m_pcBinIf->encodePCMAlignBits();
1527
1528	UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight();
1529	UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx;
1530	UInt uiChromaOffset = uiLumaOffset>>2;
1531	Pel* piPCMSample;
1532	UInt uiWidth;
1533	UInt uiHeight;
1534	UInt uiSampleBits;
1535	UInt uiX, uiY;
1536
1537	piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset;
1538	uiWidth = pcCU->getWidth(uiAbsPartIdx);
1539	uiHeight = pcCU->getHeight(uiAbsPartIdx);
1540	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma();
1541
1542	for(uiY = 0; uiY < uiHeight; uiY++)
1543	{
1544	for(uiX = 0; uiX < uiWidth; uiX++)
1545	{
1546	UInt uiSample = piPCMSample[uiX];
1547
1548	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1549	}
1550	piPCMSample += uiWidth;
1551	}
1552
1553	piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset;
1554	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1555	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1556	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1557
1558	for(uiY = 0; uiY < uiHeight; uiY++)
1559	{
1560	for(uiX = 0; uiX < uiWidth; uiX++)
1561	{
1562	UInt uiSample = piPCMSample[uiX];
1563
1564	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1565	}
1566	piPCMSample += uiWidth;
1567	}
1568
1569	piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset;
1570	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1571	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1572	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1573
1574	for(uiY = 0; uiY < uiHeight; uiY++)
1575	{
1576	for(uiX = 0; uiX < uiWidth; uiX++)
1577	{
1578	UInt uiSample = piPCMSample[uiX];
1579
1580	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1581	}
1582	piPCMSample += uiWidth;
1583	}
1584	m_pcBinIf->resetBac();
1585	}
1586	}
1587
1588	Void TEncSbac::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx )
1589	{
1590	UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx );
1591	UInt uiCtx = 0;
1592	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1593	#if !H_MV_ENC_DEC_TRAC
1594	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1595	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1596	DTRACE_CABAC_T( "\tsymbol=" )
1597	DTRACE_CABAC_V( uiCbf )
1598	DTRACE_CABAC_T( "\tctx=" )
1599	DTRACE_CABAC_V( uiCtx )
1600	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1601	DTRACE_CABAC_V( uiAbsPartIdx )
1602	DTRACE_CABAC_T( "\n" )
1603	#else
1604	DTRACE_CU( "rqt_root_cbf", uiCbf )
1605	#endif
1606	}
1607
1608	Void TEncSbac::codeQtCbfZero( TComDataCU* pcCU, TextType eType, UInt uiTrDepth )
1609	{
1610	// this function is only used to estimate the bits when cbf is 0
1611	// and will never be called when writing the bistream. do not need to write log
1612	UInt uiCbf = 0;
1613	UInt uiCtx = pcCU->getCtxQtCbf( eType, uiTrDepth );
1614	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) );
1615	}
1616
1617	Void TEncSbac::codeQtRootCbfZero( TComDataCU* pcCU )
1618	{
1619	// this function is only used to estimate the bits when cbf is 0
1620	// and will never be called when writing the bistream. do not need to write log
1621	UInt uiCbf = 0;
1622	UInt uiCtx = 0;
1623	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1624	}
1625
1626	/** Encode (X,Y) position of the last significant coefficient
1627	* \param uiPosX X component of last coefficient
1628	* \param uiPosY Y component of last coefficient
1629	* \param width Block width
1630	* \param height Block height
1631	* \param eTType plane type / luminance or chrominance
1632	* \param uiScanIdx scan type (zig-zag, hor, ver)
1633	* This method encodes the X and Y component within a block of the last significant coefficient.
1634	*/
1635	Void TEncSbac::codeLastSignificantXY( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx )
1636	{
1637	// swap
1638	if( uiScanIdx == SCAN_VER )
1639	{
1640	swap( uiPosX, uiPosY );
1641	}
1642
1643	UInt uiCtxLast;
1644	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
1645	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
1646	UInt uiGroupIdxX = g_uiGroupIdx[ uiPosX ];
1647	UInt uiGroupIdxY = g_uiGroupIdx[ uiPosY ];
1648
1649
1650	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
1651	blkSizeOffsetX = eTType ? 0: (g_aucConvertToBit[ width ] *3 + ((g_aucConvertToBit[ width ] +1)>>2));
1652	blkSizeOffsetY = eTType ? 0: (g_aucConvertToBit[ height ]*3 + ((g_aucConvertToBit[ height ]+1)>>2));
1653	shiftX= eTType ? g_aucConvertToBit[ width ] :((g_aucConvertToBit[ width ]+3)>>2);
1654	shiftY= eTType ? g_aucConvertToBit[ height ] :((g_aucConvertToBit[ height ]+3)>>2);
1655	// posX
1656	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxX; uiCtxLast++ )
1657	{
1658	m_pcBinIf->encodeBin( 1, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1659	}
1660	if( uiGroupIdxX < g_uiGroupIdx[ width - 1 ])
1661	{
1662	m_pcBinIf->encodeBin( 0, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1663	}
1664
1665	// posY
1666	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxY; uiCtxLast++ )
1667	{
1668	m_pcBinIf->encodeBin( 1, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1669	}
1670	if( uiGroupIdxY < g_uiGroupIdx[ height - 1 ])
1671	{
1672	m_pcBinIf->encodeBin( 0, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1673	}
1674	if ( uiGroupIdxX > 3 )
1675	{
1676	UInt uiCount = ( uiGroupIdxX - 2 ) >> 1;
1677	uiPosX = uiPosX - g_uiMinInGroup[ uiGroupIdxX ];
1678	for (Int i = uiCount - 1 ; i >= 0; i-- )
1679	{
1680	m_pcBinIf->encodeBinEP( ( uiPosX >> i ) & 1 );
1681	}
1682	}
1683	if ( uiGroupIdxY > 3 )
1684	{
1685	UInt uiCount = ( uiGroupIdxY - 2 ) >> 1;
1686	uiPosY = uiPosY - g_uiMinInGroup[ uiGroupIdxY ];
1687	for ( Int i = uiCount - 1 ; i >= 0; i-- )
1688	{
1689	m_pcBinIf->encodeBinEP( ( uiPosY >> i ) & 1 );
1690	}
1691	}
1692	}
1693
1694	Void TEncSbac::codeCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType )
1695	{
1696	#if !H_MV_ENC_DEC_TRAC
1697	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1698	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1699	DTRACE_CABAC_V( eTType )
1700	DTRACE_CABAC_T( "\twidth=" )
1701	DTRACE_CABAC_V( uiWidth )
1702	DTRACE_CABAC_T( "\theight=" )
1703	DTRACE_CABAC_V( uiHeight )
1704	DTRACE_CABAC_T( "\tdepth=" )
1705	DTRACE_CABAC_V( uiDepth )
1706	DTRACE_CABAC_T( "\tabspartidx=" )
1707	DTRACE_CABAC_V( uiAbsPartIdx )
1708	DTRACE_CABAC_T( "\ttoCU-X=" )
1709	DTRACE_CABAC_V( pcCU->getCUPelX() )
1710	DTRACE_CABAC_T( "\ttoCU-Y=" )
1711	DTRACE_CABAC_V( pcCU->getCUPelY() )
1712	DTRACE_CABAC_T( "\tCU-addr=" )
1713	DTRACE_CABAC_V( pcCU->getAddr() )
1714	DTRACE_CABAC_T( "\tinCU-X=" )
1715	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1716	DTRACE_CABAC_T( "\tinCU-Y=" )
1717	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1718	DTRACE_CABAC_T( "\tpredmode=" )
1719	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1720	DTRACE_CABAC_T( "\n" )
1721	#endif
1722	if( uiWidth > m_pcSlice->getSPS()->getMaxTrSize() )
1723	{
1724	uiWidth = m_pcSlice->getSPS()->getMaxTrSize();
1725	uiHeight = m_pcSlice->getSPS()->getMaxTrSize();
1726	}
1727
1728	UInt uiNumSig = 0;
1729
1730	// compute number of significant coefficients
1731	uiNumSig = TEncEntropy::countNonZeroCoeffs(pcCoef, uiWidth * uiHeight);
1732
1733	if ( uiNumSig == 0 )
1734	return;
1735	if(pcCU->getSlice()->getPPS()->getUseTransformSkip())
1736	{
1737	codeTransformSkipFlags( pcCU,uiAbsPartIdx, uiWidth, uiHeight, eTType );
1738	}
1739	eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA );
1740
1741	//----- encode significance map -----
1742	const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2;
1743	UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx));
1744	const UInt *scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize - 1 ];
1745
1746	Bool beValid;
1747	if (pcCU->getCUTransquantBypass(uiAbsPartIdx))
1748	{
1749	beValid = false;
1750	}
1751	else
1752	{
1753	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1754	}
1755
1756	// Find position of last coefficient
1757	Int scanPosLast = -1;
1758	Int posLast;
1759
1760	const UInt * scanCG;
1761	{
1762	scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ];
1763	if( uiLog2BlockSize == 3 )
1764	{
1765	scanCG = g_sigLastScan8x8[ uiScanIdx ];
1766	}
1767	else if( uiLog2BlockSize == 5 )
1768	{
1769	scanCG = g_sigLastScanCG32x32;
1770	}
1771	}
1772	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1773	static const UInt uiShift = MLS_CG_SIZE >> 1;
1774	const UInt uiNumBlkSide = uiWidth >> uiShift;
1775
1776	::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1777
1778	do
1779	{
1780	posLast = scan[ ++scanPosLast ];
1781
1782	// get L1 sig map
1783	UInt uiPosY = posLast >> uiLog2BlockSize;
1784	UInt uiPosX = posLast - ( uiPosY << uiLog2BlockSize );
1785	UInt uiBlkIdx = uiNumBlkSide * (uiPosY >> uiShift) + (uiPosX >> uiShift);
1786	if( pcCoef[ posLast ] )
1787	{
1788	uiSigCoeffGroupFlag[ uiBlkIdx ] = 1;
1789	}
1790
1791	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1792	}
1793	while ( uiNumSig > 0 );
1794
1795	// Code position of last coefficient
1796	Int posLastY = posLast >> uiLog2BlockSize;
1797	Int posLastX = posLast - ( posLastY << uiLog2BlockSize );
1798	codeLastSignificantXY(posLastX, posLastY, uiWidth, uiHeight, eTType, uiScanIdx);
1799
1800	//===== code significance flag =====
1801	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType );
1802	ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA;
1803
1804
1805	const Int iLastScanSet = scanPosLast >> LOG2_SCAN_SET_SIZE;
1806	UInt c1 = 1;
1807	UInt uiGoRiceParam = 0;
1808	Int iScanPosSig = scanPosLast;
1809
1810	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1811	{
1812	Int numNonZero = 0;
1813	Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE;
1814	uiGoRiceParam = 0;
1815	Int absCoeff[16];
1816	UInt coeffSigns = 0;
1817
1818	Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE;
1819
1820	if( iScanPosSig == scanPosLast )
1821	{
1822	absCoeff[ 0 ] = abs( pcCoef[ posLast ] );
1823	coeffSigns = ( pcCoef[ posLast ] < 0 );
1824	numNonZero = 1;
1825	lastNZPosInCG = iScanPosSig;
1826	firstNZPosInCG = iScanPosSig;
1827	iScanPosSig--;
1828	}
1829
1830	// encode significant_coeffgroup_flag
1831	Int iCGBlkPos = scanCG[ iSubSet ];
1832	Int iCGPosY = iCGBlkPos / uiNumBlkSide;
1833	Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide);
1834	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1835	{
1836	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1837	}
1838	else
1839	{
1840	UInt uiSigCoeffGroup = (uiSigCoeffGroupFlag[ iCGBlkPos ] != 0);
1841	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1842	m_pcBinIf->encodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1843	}
1844
1845	// encode significant_coeff_flag
1846	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1847	{
1848	Int patternSigCtx = TComTrQuant::calcPatternSigCtx( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1849	UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig;
1850	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1851	{
1852	uiBlkPos = scan[ iScanPosSig ];
1853	uiPosY = uiBlkPos >> uiLog2BlockSize;
1854	uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1855	uiSig = (pcCoef[ uiBlkPos ] != 0);
1856	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1857	{
1858	uiCtxSig = TComTrQuant::getSigCtxInc( patternSigCtx, uiScanIdx, uiPosX, uiPosY, uiLog2BlockSize, eTType );
1859	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1860	}
1861	if( uiSig )
1862	{
1863	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1864	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1865	numNonZero++;
1866	if( lastNZPosInCG == -1 )
1867	{
1868	lastNZPosInCG = iScanPosSig;
1869	}
1870	firstNZPosInCG = iScanPosSig;
1871	}
1872	}
1873	}
1874	else
1875	{
1876	iScanPosSig = iSubPos - 1;
1877	}
1878
1879	if( numNonZero > 0 )
1880	{
1881	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= SBH_THRESHOLD );
1882	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0;
1883
1884	if( c1 == 0 )
1885	{
1886	uiCtxSet++;
1887	}
1888	c1 = 1;
1889	ContextModel baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet;
1890
1891	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
1892	Int firstC2FlagIdx = -1;
1893	for( Int idx = 0; idx < numC1Flag; idx++ )
1894	{
1895	UInt uiSymbol = absCoeff[ idx ] > 1;
1896	m_pcBinIf->encodeBin( uiSymbol, baseCtxMod[c1] );
1897	if( uiSymbol )
1898	{
1899	c1 = 0;
1900
1901	if (firstC2FlagIdx == -1)
1902	{
1903	firstC2FlagIdx = idx;
1904	}
1905	}
1906	else if( (c1 < 3) && (c1 > 0) )
1907	{
1908	c1++;
1909	}
1910	}
1911
1912	if (c1 == 0)
1913	{
1914
1915	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet;
1916	if ( firstC2FlagIdx != -1)
1917	{
1918	UInt symbol = absCoeff[ firstC2FlagIdx ] > 2;
1919	m_pcBinIf->encodeBin( symbol, baseCtxMod[0] );
1920	}
1921	}
1922
1923	if( beValid && signHidden )
1924	{
1925	m_pcBinIf->encodeBinsEP( (coeffSigns >> 1), numNonZero-1 );
1926	}
1927	else
1928	{
1929	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
1930	}
1931
1932	Int iFirstCoeff2 = 1;
1933	if (c1 == 0 \|\| numNonZero > C1FLAG_NUMBER)
1934	{
1935	for ( Int idx = 0; idx < numNonZero; idx++ )
1936	{
1937	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1;
1938
1939	if( absCoeff[ idx ] >= baseLevel)
1940	{
1941	xWriteCoefRemainExGolomb( absCoeff[ idx ] - baseLevel, uiGoRiceParam );
1942	if(absCoeff[idx] > 3*(1<<uiGoRiceParam))
1943	{
1944	uiGoRiceParam = min<UInt>(uiGoRiceParam+ 1, 4);
1945	}
1946	}
1947	if(absCoeff[ idx ] >= 2)
1948	{
1949	iFirstCoeff2 = 0;
1950	}
1951	}
1952	}
1953	}
1954	}
1955
1956	return;
1957	}
1958
1959	/** code SAO offset sign
1960	* \param code sign value
1961	*/
1962	Void TEncSbac::codeSAOSign( UInt code )
1963	{
1964	m_pcBinIf->encodeBinEP( code );
1965	}
1966
1967	Void TEncSbac::codeSaoMaxUvlc ( UInt code, UInt maxSymbol )
1968	{
1969	if (maxSymbol == 0)
1970	{
1971	return;
1972	}
1973
1974	Int i;
1975	Bool bCodeLast = ( maxSymbol > code );
1976
1977	if ( code == 0 )
1978	{
1979	m_pcBinIf->encodeBinEP( 0 );
1980	}
1981	else
1982	{
1983	m_pcBinIf->encodeBinEP( 1 );
1984	for ( i=0; i<code-1; i++ )
1985	{
1986	m_pcBinIf->encodeBinEP( 1 );
1987	}
1988	if( bCodeLast )
1989	{
1990	m_pcBinIf->encodeBinEP( 0 );
1991	}
1992	}
1993	}
1994
1995
1996	/** Code SAO EO class or BO band position
1997	* \param uiLength
1998	* \param uiCode
1999	*/
2000	Void TEncSbac::codeSaoUflc ( UInt uiLength, UInt uiCode )
2001	{
2002	m_pcBinIf->encodeBinsEP ( uiCode, uiLength );
2003	}
2004	/** Code SAO merge flags
2005	* \param uiCode
2006	* \param uiCompIdx
2007	*/
2008	Void TEncSbac::codeSaoMerge ( UInt uiCode )
2009	{
2010	if (uiCode == 0)
2011	{
2012	m_pcBinIf->encodeBin(0, m_cSaoMergeSCModel.get( 0, 0, 0 ));
2013	}
2014	else
2015	{
2016	m_pcBinIf->encodeBin(1, m_cSaoMergeSCModel.get( 0, 0, 0 ));
2017	}
2018	}
2019	/** Code SAO type index
2020	* \param uiCode
2021	*/
2022	Void TEncSbac::codeSaoTypeIdx ( UInt uiCode)
2023	{
2024	if (uiCode == 0)
2025	{
2026	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2027	}
2028	else
2029	{
2030	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2031	m_pcBinIf->encodeBinEP( uiCode <= 4 ? 1 : 0 );
2032	}
2033	}
2034	/*!
2035	****************************************************************************
2036	* \brief
2037	* estimate bit cost for CBP, significant map and significant coefficients
2038	****************************************************************************
2039	*/
2040	Void TEncSbac::estBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2041	{
2042	estCBFBit( pcEstBitsSbac );
2043
2044	estSignificantCoeffGroupMapBit( pcEstBitsSbac, eTType );
2045
2046	// encode significance map
2047	estSignificantMapBit( pcEstBitsSbac, width, height, eTType );
2048
2049	// encode significant coefficients
2050	estSignificantCoefficientsBit( pcEstBitsSbac, eTType );
2051	}
2052
2053	/*!
2054	****************************************************************************
2055	* \brief
2056	* estimate bit cost for each CBP bit
2057	****************************************************************************
2058	*/
2059	Void TEncSbac::estCBFBit( estBitsSbacStruct* pcEstBitsSbac )
2060	{
2061	ContextModel *pCtx = m_cCUQtCbfSCModel.get( 0 );
2062
2063	for( UInt uiCtxInc = 0; uiCtxInc < 3*NUM_QT_CBF_CTX; uiCtxInc++ )
2064	{
2065	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2066	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2067	}
2068
2069	pCtx = m_cCUQtRootCbfSCModel.get( 0 );
2070
2071	for( UInt uiCtxInc = 0; uiCtxInc < 4; uiCtxInc++ )
2072	{
2073	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2074	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2075	}
2076	}
2077
2078
2079	/*!
2080	****************************************************************************
2081	* \brief
2082	* estimate SAMBAC bit cost for significant coefficient group map
2083	****************************************************************************
2084	*/
2085	Void TEncSbac::estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, TextType eTType )
2086	{
2087	Int firstCtx = 0, numCtx = NUM_SIG_CG_FLAG_CTX;
2088
2089	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2090	{
2091	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2092	{
2093	pcEstBitsSbac->significantCoeffGroupBits[ ctxIdx ][ uiBin ] = m_cCUSigCoeffGroupSCModel.get( 0, eTType, ctxIdx ).getEntropyBits( uiBin );
2094	}
2095	}
2096	}
2097
2098
2099	/*!
2100	****************************************************************************
2101	* \brief
2102	* estimate SAMBAC bit cost for significant coefficient map
2103	****************************************************************************
2104	*/
2105	Void TEncSbac::estSignificantMapBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2106	{
2107	Int firstCtx = 1, numCtx = 8;
2108	if (max(width, height) >= 16)
2109	{
2110	firstCtx = (eTType == TEXT_LUMA) ? 21 : 12;
2111	numCtx = (eTType == TEXT_LUMA) ? 6 : 3;
2112	}
2113	else if (width == 8)
2114	{
2115	firstCtx = 9;
2116	numCtx = (eTType == TEXT_LUMA) ? 12 : 3;
2117	}
2118
2119	if (eTType == TEXT_LUMA )
2120	{
2121	for( UInt bin = 0; bin < 2; bin++ )
2122	{
2123	pcEstBitsSbac->significantBits[ 0 ][ bin ] = m_cCUSigSCModel.get( 0, 0, 0 ).getEntropyBits( bin );
2124	}
2125
2126	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2127	{
2128	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2129	{
2130	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, ctxIdx ).getEntropyBits( uiBin );
2131	}
2132	}
2133	}
2134	else
2135	{
2136	for( UInt bin = 0; bin < 2; bin++ )
2137	{
2138	pcEstBitsSbac->significantBits[ 0 ][ bin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + 0 ).getEntropyBits( bin );
2139	}
2140	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2141	{
2142	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2143	{
2144	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + ctxIdx ).getEntropyBits( uiBin );
2145	}
2146	}
2147	}
2148	Int iBitsX = 0, iBitsY = 0;
2149	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
2150
2151	blkSizeOffsetX = eTType ? 0: (g_aucConvertToBit[ width ] *3 + ((g_aucConvertToBit[ width ] +1)>>2));
2152	blkSizeOffsetY = eTType ? 0: (g_aucConvertToBit[ height ]*3 + ((g_aucConvertToBit[ height ]+1)>>2));
2153	shiftX = eTType ? g_aucConvertToBit[ width ] :((g_aucConvertToBit[ width ]+3)>>2);
2154	shiftY = eTType ? g_aucConvertToBit[ height ] :((g_aucConvertToBit[ height ]+3)>>2);
2155
2156	Int ctx;
2157	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
2158	for (ctx = 0; ctx < g_uiGroupIdx[ width - 1 ]; ctx++)
2159	{
2160	Int ctxOffset = blkSizeOffsetX + (ctx >>shiftX);
2161	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffset ].getEntropyBits( 0 );
2162	iBitsX += pCtxX[ ctxOffset ].getEntropyBits( 1 );
2163	}
2164	pcEstBitsSbac->lastXBits[ctx] = iBitsX;
2165	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
2166	for (ctx = 0; ctx < g_uiGroupIdx[ height - 1 ]; ctx++)
2167	{
2168	Int ctxOffset = blkSizeOffsetY + (ctx >>shiftY);
2169	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffset ].getEntropyBits( 0 );
2170	iBitsY += pCtxY[ ctxOffset ].getEntropyBits( 1 );
2171	}
2172	pcEstBitsSbac->lastYBits[ctx] = iBitsY;
2173	}
2174
2175	/*!
2176	****************************************************************************
2177	* \brief
2178	* estimate bit cost of significant coefficient
2179	****************************************************************************
2180	*/
2181	Void TEncSbac::estSignificantCoefficientsBit( estBitsSbacStruct* pcEstBitsSbac, TextType eTType )
2182	{
2183	if (eTType==TEXT_LUMA)
2184	{
2185	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0);
2186	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0);
2187
2188	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_LUMA; ctxIdx++)
2189	{
2190	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2191	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2192	}
2193
2194	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_LUMA; ctxIdx++)
2195	{
2196	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2197	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2198	}
2199	}
2200	else
2201	{
2202	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0) + NUM_ONE_FLAG_CTX_LUMA;
2203	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0) + NUM_ABS_FLAG_CTX_LUMA;
2204
2205	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_CHROMA; ctxIdx++)
2206	{
2207	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2208	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2209	}
2210
2211	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_CHROMA; ctxIdx++)
2212	{
2213	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2214	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2215	}
2216	}
2217	}
2218
2219	/**
2220	- Initialize our context information from the nominated source.
2221	.
2222	\param pSrc From where to copy context information.
2223	*/
2224	Void TEncSbac::xCopyContextsFrom( TEncSbac* pSrc )
2225	{
2226	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2227	}
2228
2229	Void TEncSbac::loadContexts ( TEncSbac* pScr)
2230	{
2231	this->xCopyContextsFrom(pScr);
2232	}
2233	//! \}

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source: 3DVCSoftware/branches/HTM-DEV-2.0-dev3-Samsung/source/Lib/TLibEncoder/TEncSbac.cpp

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