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source: 3DVCSoftware/trunk/source/Lib/TLibEncoder/TEncSbac.cpp @ 773

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Last change on this file since 773 was 773, checked in by tech, 10 years ago
Merged branch/9.2-dev0@722.
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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	#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_INTER_SDC
104	, m_cInterSDCFlagSCModel ( 1, 1, NUM_INTER_SDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
105	, m_cInterSDCResidualSCModel ( 1, 1, NUM_INTER_SDC_RESIDUAL_CTX , m_contextModels + m_numContextModels, m_numContextModels)
106	, m_cInterSDCResidualSignFlagSCModel ( 1, 1, NUM_INTER_SDC_SIGN_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
107	#endif
108	{
109	assert( m_numContextModels <= MAX_NUM_CTX_MOD );
110	}
111
112	TEncSbac::~TEncSbac()
113	{
114	}
115
116	// ====================================================================================================================
117	// Public member functions
118	// ====================================================================================================================
119
120	Void TEncSbac::resetEntropy ()
121	{
122	Int iQp = m_pcSlice->getSliceQp();
123	SliceType eSliceType = m_pcSlice->getSliceType();
124
125	Int encCABACTableIdx = m_pcSlice->getPPS()->getEncCABACTableIdx();
126	if (!m_pcSlice->isIntra() && (encCABACTableIdx==B_SLICE \|\| encCABACTableIdx==P_SLICE) && m_pcSlice->getPPS()->getCabacInitPresentFlag())
127	{
128	eSliceType = (SliceType) encCABACTableIdx;
129	}
130
131	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
132
133	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
134	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
135	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
136	#if H_3D_ARP
137	m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW );
138	#endif
139	#if H_3D_IC
140	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
141	#endif
142	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
143	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
144	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
145	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
146	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
147	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
148	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
149	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
150	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
151	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
152	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
153	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
154	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
155	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
156	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
157	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
158	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
159	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
160	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
161	m_cSaoMergeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_FLAG );
162	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
163	m_cTransformSkipSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
164	m_CUTransquantBypassFlagSCModel.initBuffer( eSliceType, iQp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
165
166	#if H_3D_DIM
167	m_cDepthIntraModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DEPTH_INTRA_MODE );
168	m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG );
169	m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA );
170	#if H_3D_DIM_DMM
171	m_cDmm1DataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM1_DATA );
172	#endif
173	#if H_3D_DIM_SDC
174	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
175	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
176	#endif
177	#endif
178	#if H_3D_INTER_SDC
179	m_cInterSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_FLAG );
180	m_cInterSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_RESIDUAL );
181	m_cInterSDCResidualSignFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_SIGN_FLAG );
182	#endif
183	// new structure
184	m_uiLastQp = iQp;
185
186	m_pcBinIf->start();
187
188	return;
189	}
190
191	/** The function does the following:
192	* If current slice type is P/B then it determines the distance of initialisation type 1 and 2 from the current CABAC states and
193	* stores the index of the closest table. This index is used for the next P/B slice when cabac_init_present_flag is true.
194	*/
195	Void TEncSbac::determineCabacInitIdx()
196	{
197	Int qp = m_pcSlice->getSliceQp();
198
199	if (!m_pcSlice->isIntra())
200	{
201	SliceType aSliceTypeChoices[] = {B_SLICE, P_SLICE};
202
203	UInt bestCost = MAX_UINT;
204	SliceType bestSliceType = aSliceTypeChoices[0];
205	for (UInt idx=0; idx<2; idx++)
206	{
207	UInt curCost = 0;
208	SliceType curSliceType = aSliceTypeChoices[idx];
209
210	curCost = m_cCUSplitFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SPLIT_FLAG );
211	curCost += m_cCUSkipFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SKIP_FLAG );
212	curCost += m_cCUMergeFlagExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT);
213	curCost += m_cCUMergeIdxExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_IDX_EXT);
214	#if H_3D_ARP
215	curCost += m_cCUPUARPWSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ARPW );
216	#endif
217	#if H_3D_IC
218	curCost += m_cCUICFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_IC_FLAG );
219	#endif
220	#if H_3D_INTER_SDC
221	curCost += m_cInterSDCFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_SDC_FLAG );
222	curCost += m_cInterSDCResidualSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_SDC_RESIDUAL );
223	curCost += m_cInterSDCResidualSignFlagSCModel.calcCost( curSliceType, qp, (UChar*)INIT_INTER_SDC_SIGN_FLAG );
224	#endif
225	curCost += m_cCUPartSizeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PART_SIZE );
226	curCost += m_cCUAMPSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CU_AMP_POS );
227	curCost += m_cCUPredModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PRED_MODE );
228	curCost += m_cCUIntraPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTRA_PRED_MODE );
229	curCost += m_cCUChromaPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE );
230	curCost += m_cCUInterDirSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_DIR );
231	curCost += m_cCUMvdSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVD );
232	curCost += m_cCURefPicSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_REF_PIC );
233	curCost += m_cCUDeltaQpSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DQP );
234	curCost += m_cCUQtCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_CBF );
235	curCost += m_cCUQtRootCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_ROOT_CBF );
236	curCost += m_cCUSigCoeffGroupSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_CG_FLAG );
237	curCost += m_cCUSigSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_FLAG );
238	curCost += m_cCuCtxLastX.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
239	curCost += m_cCuCtxLastY.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
240	curCost += m_cCUOneSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ONE_FLAG );
241	curCost += m_cCUAbsSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ABS_FLAG );
242	curCost += m_cMVPIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVP_IDX );
243	curCost += m_cCUTransSubdivFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
244	curCost += m_cSaoMergeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_MERGE_FLAG );
245	curCost += m_cSaoTypeIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_TYPE_IDX );
246	curCost += m_cTransformSkipSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
247	curCost += m_CUTransquantBypassFlagSCModel.calcCost( curSliceType, qp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
248	#if H_3D_DIM
249	if( m_pcSlice->getVpsDepthModesFlag() )
250	{
251	curCost += m_cDepthIntraModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DEPTH_INTRA_MODE );
252	curCost += m_cDdcFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DDC_FLAG );
253	curCost += m_cDdcDataSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DDC_DATA );
254	#if H_3D_DIM_DMM
255	curCost += m_cDmm1DataSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DMM1_DATA );
256	#endif
257	}
258	#endif
259	if (curCost < bestCost)
260	{
261	bestSliceType = curSliceType;
262	bestCost = curCost;
263	}
264	}
265	m_pcSlice->getPPS()->setEncCABACTableIdx( bestSliceType );
266	}
267	else
268	{
269	m_pcSlice->getPPS()->setEncCABACTableIdx( I_SLICE );
270	}
271	}
272
273
274	/** The function does the followng: Write out terminate bit. Flush CABAC. Intialize CABAC states. Start CABAC.
275	*/
276	Void TEncSbac::updateContextTables( SliceType eSliceType, Int iQp, Bool bExecuteFinish )
277	{
278	m_pcBinIf->encodeBinTrm(1);
279	if (bExecuteFinish) m_pcBinIf->finish();
280	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
281
282	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
283	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
284	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
285	#if H_3D_ARP
286	m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW );
287	#endif
288	#if H_3D_IC
289	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
290	#endif
291	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
292	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
293	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
294	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
295	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
296	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
297	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
298	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
299	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
300	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
301	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
302	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
303	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
304	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
305	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
306	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
307	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
308	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
309	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
310	m_cSaoMergeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_FLAG );
311	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
312	m_cTransformSkipSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
313	m_CUTransquantBypassFlagSCModel.initBuffer( eSliceType, iQp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
314
315	#if H_3D_DIM
316	m_cDepthIntraModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DEPTH_INTRA_MODE );
317	m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG );
318	m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA );
319	#if H_3D_DIM_DMM
320	m_cDmm1DataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM1_DATA );
321	#endif
322	#if H_3D_DIM_SDC
323	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
324	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
325	#endif
326	#endif
327	#if H_3D_INTER_SDC
328	m_cInterSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_FLAG );
329	m_cInterSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_RESIDUAL );
330	m_cInterSDCResidualSignFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_SIGN_FLAG );
331	#endif
332	m_pcBinIf->start();
333	}
334
335	Void TEncSbac::codeVPS( TComVPS* pcVPS )
336	{
337	assert (0);
338	return;
339	}
340
341	#if H_3D
342	Void TEncSbac::codeSPS( TComSPS* pcSPS, Int viewIndex, Bool depthFlag )
343	#else
344	Void TEncSbac::codeSPS( TComSPS* pcSPS )
345	#endif
346	{
347	assert (0);
348	return;
349	}
350
351	Void TEncSbac::codePPS( TComPPS* pcPPS )
352	{
353	assert (0);
354	return;
355	}
356
357	Void TEncSbac::codeSliceHeader( TComSlice* pcSlice )
358	{
359	assert (0);
360	return;
361	}
362
363	Void TEncSbac::codeTilesWPPEntryPoint( TComSlice* pSlice )
364	{
365	assert (0);
366	return;
367	}
368
369	Void TEncSbac::codeTerminatingBit( UInt uilsLast )
370	{
371	m_pcBinIf->encodeBinTrm( uilsLast );
372	}
373
374	Void TEncSbac::codeSliceFinish()
375	{
376	m_pcBinIf->finish();
377	}
378
379	Void TEncSbac::xWriteUnarySymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset )
380	{
381	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[0] );
382
383	if( 0 == uiSymbol)
384	{
385	return;
386	}
387
388	while( uiSymbol-- )
389	{
390	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ iOffset ] );
391	}
392
393	return;
394	}
395
396	Void TEncSbac::xWriteUnaryMaxSymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol )
397	{
398	if (uiMaxSymbol == 0)
399	{
400	return;
401	}
402
403	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ 0 ] );
404
405	if ( uiSymbol == 0 )
406	{
407	return;
408	}
409
410	Bool bCodeLast = ( uiMaxSymbol > uiSymbol );
411
412	while( --uiSymbol )
413	{
414	m_pcBinIf->encodeBin( 1, pcSCModel[ iOffset ] );
415	}
416	if( bCodeLast )
417	{
418	m_pcBinIf->encodeBin( 0, pcSCModel[ iOffset ] );
419	}
420
421	return;
422	}
423
424	Void TEncSbac::xWriteEpExGolomb( UInt uiSymbol, UInt uiCount )
425	{
426	UInt bins = 0;
427	Int numBins = 0;
428
429	while( uiSymbol >= (UInt)(1<<uiCount) )
430	{
431	bins = 2 * bins + 1;
432	numBins++;
433	uiSymbol -= 1 << uiCount;
434	uiCount ++;
435	}
436	bins = 2 * bins + 0;
437	numBins++;
438
439	bins = (bins << uiCount) \| uiSymbol;
440	numBins += uiCount;
441
442	assert( numBins <= 32 );
443	m_pcBinIf->encodeBinsEP( bins, numBins );
444	}
445
446	/** Coding of coeff_abs_level_minus3
447	* \param uiSymbol value of coeff_abs_level_minus3
448	* \param ruiGoRiceParam reference to Rice parameter
449	* \returns Void
450	*/
451	Void TEncSbac::xWriteCoefRemainExGolomb ( UInt symbol, UInt &rParam )
452	{
453	Int codeNumber = (Int)symbol;
454	UInt length;
455	if (codeNumber < (COEF_REMAIN_BIN_REDUCTION << rParam))
456	{
457	length = codeNumber>>rParam;
458	m_pcBinIf->encodeBinsEP( (1<<(length+1))-2 , length+1);
459	m_pcBinIf->encodeBinsEP((codeNumber%(1<<rParam)),rParam);
460	}
461	else
462	{
463	length = rParam;
464	codeNumber = codeNumber - ( COEF_REMAIN_BIN_REDUCTION << rParam);
465	while (codeNumber >= (1<<length))
466	{
467	codeNumber -= (1<<(length++));
468	}
469	m_pcBinIf->encodeBinsEP((1<<(COEF_REMAIN_BIN_REDUCTION+length+1-rParam))-2,COEF_REMAIN_BIN_REDUCTION+length+1-rParam);
470	m_pcBinIf->encodeBinsEP(codeNumber,length);
471	}
472	}
473
474	#if H_3D_DIM
475	Void TEncSbac::xWriteExGolombLevel( UInt uiSymbol, ContextModel& rcSCModel )
476	{
477	if( uiSymbol )
478	{
479	m_pcBinIf->encodeBin( 1, rcSCModel );
480	UInt uiCount = 0;
481	Bool bNoExGo = (uiSymbol < 13);
482
483	while( --uiSymbol && ++uiCount < 13 )
484	{
485	m_pcBinIf->encodeBin( 1, rcSCModel );
486	}
487	if( bNoExGo )
488	{
489	m_pcBinIf->encodeBin( 0, rcSCModel );
490	}
491	else
492	{
493	xWriteEpExGolomb( uiSymbol, 0 );
494	}
495	}
496	else
497	{
498	m_pcBinIf->encodeBin( 0, rcSCModel );
499	}
500
501	return;
502	}
503
504	Void TEncSbac::xCodeDimDeltaDC( Pel valDeltaDC, UInt uiNumSeg )
505	{
506	xWriteExGolombLevel( UInt( abs( valDeltaDC ) - ( uiNumSeg > 1 ? 0 : 1 ) ), m_cDdcDataSCModel.get(0, 0, 0) );
507	if( valDeltaDC != 0 )
508	{
509	UInt uiSign = valDeltaDC > 0 ? 0 : 1;
510	m_pcBinIf->encodeBinEP( uiSign );
511	}
512	}
513
514	#if H_3D_DIM_DMM
515	Void TEncSbac::xCodeDmm1WedgeIdx( UInt uiTabIdx, Int iNumBit )
516	{
517	for ( Int i = 0; i < iNumBit; i++ )
518	{
519	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmm1DataSCModel.get(0, 0, 0) );
520	}
521	}
522
523	#endif
524
525	#if H_3D_DIM_SDC
526	Void TEncSbac::xCodeSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiSegment )
527	{
528	assert( pcCU->getSlice()->getIsDepth() );
529	assert( pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N );
530	assert( pcCU->getSDCFlag(uiAbsPartIdx) );
531	assert( uiSegment < 2 );
532
533	Pel segmentDCOffset = pcCU->getSDCSegmentDCOffset(uiSegment, uiAbsPartIdx);
534
535	UInt uiResidual = segmentDCOffset == 0 ? 0 : 1;
536	UInt uiSign = segmentDCOffset < 0 ? 1 : 0;
537	UInt uiAbsIdx = abs(segmentDCOffset);
538
539	#if H_3D_DIM_DLT
540	UInt uiMaxResidualBits = pcCU->getSlice()->getPPS()->getDLT()->getBitsPerDepthValue( pcCU->getSlice()->getLayerIdInVps() );
541	#else
542	UInt uiMaxResidualBits = g_bitDepthY;
543	#endif
544	assert( uiMaxResidualBits <= g_bitDepthY );
545
546	// residual flag
547	m_pcBinIf->encodeBin( uiResidual, m_cSDCResidualFlagSCModel.get( 0, 0, 0 ) );
548	#if H_MV_ENC_DEC_TRAC
549	DTRACE_CU("sdc_residual_flag[i]", uiResidual)
550	#endif
551
552	if (uiResidual)
553	{
554	// encode sign bit of residual
555	m_pcBinIf->encodeBinEP( uiSign );
556	#if H_MV_ENC_DEC_TRAC
557	DTRACE_CU("sdc_residual_sign_flag[i]", uiSign)
558	#endif
559	#if H_3D_DIM_DLT
560	UInt uiNumDepthValues = pcCU->getSlice()->getPPS()->getDLT()->getNumDepthValues( pcCU->getSlice()->getLayerIdInVps() );
561	#else
562	UInt uiNumDepthValues = ((1 << g_bitDepthY)-1);
563	#endif
564
565	assert(uiAbsIdx <= uiNumDepthValues);
566
567	// encode residual magnitude
568	uiAbsIdx -= 1;
569
570	#if H_MV_ENC_DEC_TRAC
571	DTRACE_CU("sdc_residual_abs_minus1[i]", uiAbsIdx)
572	#endif
573
574	// prefix part
575	if ( uiAbsIdx == 0 )
576	{
577	m_pcBinIf->encodeBin( 0, m_cSDCResidualSCModel.get(0, 0, 0) );
578	}
579	else
580	{
581	UInt l = uiAbsIdx;
582	UInt k = 0;
583	UInt uiPrefixThreshold = ((uiNumDepthValues * 3) >> 2);
584	while ( l > 0 && k < uiPrefixThreshold )
585	{
586	m_pcBinIf->encodeBin( 1, m_cSDCResidualSCModel.get(0, 0, 0) );
587	l--;
588	k++;
589	}
590	if ( uiAbsIdx < uiPrefixThreshold )
591	{
592	m_pcBinIf->encodeBin( 0, m_cSDCResidualSCModel.get(0, 0, 0) );
593	}
594	else
595	{ // suffix part
596	uiAbsIdx -= uiPrefixThreshold;
597	UInt uiSuffixLength = numBitsForValue(uiNumDepthValues - uiPrefixThreshold);
598	UInt uiBitInfo = 0;
599	for ( Int i = 0; i < uiSuffixLength; i++)
600	{
601	uiBitInfo = ( uiAbsIdx & ( 1 << i ) ) >> i;
602	m_pcBinIf->encodeBinEP( uiBitInfo);
603	}
604	}
605	}
606
607	}
608	}
609	#endif
610	#endif
611
612	// SBAC RD
613	Void TEncSbac::load ( TEncSbac* pSrc)
614	{
615	this->xCopyFrom(pSrc);
616	}
617
618	Void TEncSbac::loadIntraDirModeLuma( TEncSbac* pSrc)
619	{
620	m_pcBinIf->copyState( pSrc->m_pcBinIf );
621
622	this->m_cCUIntraPredSCModel .copyFrom( &pSrc->m_cCUIntraPredSCModel );
623	}
624	#if H_3D_DIM
625	Void TEncSbac::loadIntraDepthMode( TEncSbac* pSrc)
626	{
627	m_pcBinIf->copyState( pSrc->m_pcBinIf );
628
629	this->m_cDepthIntraModeSCModel .copyFrom( &pSrc->m_cDepthIntraModeSCModel );
630	this->m_cDdcFlagSCModel .copyFrom( &pSrc->m_cDdcFlagSCModel );
631	}
632	#endif
633
634	Void TEncSbac::store( TEncSbac* pDest)
635	{
636	pDest->xCopyFrom( this );
637	}
638
639
640	Void TEncSbac::xCopyFrom( TEncSbac* pSrc )
641	{
642	m_pcBinIf->copyState( pSrc->m_pcBinIf );
643
644	this->m_uiCoeffCost = pSrc->m_uiCoeffCost;
645	this->m_uiLastQp = pSrc->m_uiLastQp;
646
647	memcpy( m_contextModels, pSrc->m_contextModels, m_numContextModels * sizeof( ContextModel ) );
648	}
649
650	Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
651	{
652	Int iSymbol = pcCU->getMVPIdx(eRefList, uiAbsPartIdx);
653	Int iNum = AMVP_MAX_NUM_CANDS;
654
655	xWriteUnaryMaxSymbol(iSymbol, m_cMVPIdxSCModel.get(0), 1, iNum-1);
656	#if H_MV_ENC_DEC_TRAC
657	#if ENC_DEC_TRACE
658	if ( eRefList == REF_PIC_LIST_0 )
659	{
660	DTRACE_PU("mvp_l0_flag", iSymbol)
661	}
662	else
663	{
664	DTRACE_PU("mvp_l1_flag", iSymbol)
665	}
666	#endif
667	#endif
668	}
669
670	Void TEncSbac::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
671	{
672	PartSize eSize = pcCU->getPartitionSize( uiAbsPartIdx );
673	#if H_3D_QTLPC
674	TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS();
675	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
676	Bool bDepthMapDetect = (pcTexture != NULL);
677	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
678
679	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);
680
681	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && sps->getUseQTL() && sps->getUsePC() )
682	{
683	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
684	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
685	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
686	if (pcTextureCU->getDepth(uiCUIdx) == uiDepth && pcTextureCU->getPartitionSize( uiCUIdx ) != SIZE_NxN)
687	{
688	assert( eSize == SIZE_2Nx2N );
689	return;
690	}
691	}
692	#endif
693	if ( pcCU->isIntra( uiAbsPartIdx ) )
694	{
695	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
696	{
697	m_pcBinIf->encodeBin( eSize == SIZE_2Nx2N? 1 : 0, m_cCUPartSizeSCModel.get( 0, 0, 0 ) );
698	#if H_MV_ENC_DEC_TRAC
699	DTRACE_CU("part_mode", eSize == SIZE_2Nx2N? 1 : 0)
700	#endif
701	}
702	return;
703	}
704
705	#if H_MV_ENC_DEC_TRAC
706	DTRACE_CU("part_mode", eSize )
707	#endif
708	switch(eSize)
709	{
710	case SIZE_2Nx2N:
711	{
712	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
713	break;
714	}
715	case SIZE_2NxN:
716	case SIZE_2NxnU:
717	case SIZE_2NxnD:
718	{
719	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
720	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
721	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
722	{
723	if (eSize == SIZE_2NxN)
724	{
725	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
726	}
727	else
728	{
729	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
730	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
731	}
732	}
733	break;
734	}
735	case SIZE_Nx2N:
736	case SIZE_nLx2N:
737	case SIZE_nRx2N:
738	{
739	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
740	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
741	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
742	{
743	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 2) );
744	}
745	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
746	{
747	if (eSize == SIZE_Nx2N)
748	{
749	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
750	}
751	else
752	{
753	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
754	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
755	}
756	}
757	break;
758	}
759	case SIZE_NxN:
760	{
761	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
762	{
763	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
764	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
765	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 2) );
766	}
767	break;
768	}
769	default:
770	{
771	assert(0);
772	}
773	}
774	}
775
776	/** code prediction mode
777	* \param pcCU
778	* \param uiAbsPartIdx
779	* \returns Void
780	*/
781	Void TEncSbac::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
782	{
783	#if H_3D_DIM_SDC
784	if ( pcCU->getSlice()->isIntra() )
785	{
786	assert( pcCU->isIntra(uiAbsPartIdx) );
787	return;
788	}
789	#endif
790
791	// get context function is here
792	Int iPredMode = pcCU->getPredictionMode( uiAbsPartIdx );
793	m_pcBinIf->encodeBin( iPredMode == MODE_INTER ? 0 : 1, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
794	#if H_MV_ENC_DEC_TRAC
795	DTRACE_CU("pred_mode_flag", iPredMode == MODE_INTER ? 0 : 1);
796	#endif
797	}
798
799	Void TEncSbac::codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
800	{
801	UInt uiSymbol = pcCU->getCUTransquantBypass(uiAbsPartIdx);
802	m_pcBinIf->encodeBin( uiSymbol, m_CUTransquantBypassFlagSCModel.get( 0, 0, 0 ) );
803	#if H_MV_ENC_DEC_TRAC
804	DTRACE_CU("cu_transquant_bypass_flag", uiSymbol);
805	#endif
806	}
807
808	/** code skip flag
809	* \param pcCU
810	* \param uiAbsPartIdx
811	* \returns Void
812	*/
813	Void TEncSbac::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
814	{
815	// get context function is here
816	UInt uiSymbol = pcCU->isSkipped( uiAbsPartIdx ) ? 1 : 0;
817	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ) ;
818	m_pcBinIf->encodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
819	#if !H_MV_ENC_DEC_TRAC
820	DTRACE_CABAC_VL( g_nSymbolCounter++ );
821	DTRACE_CABAC_T( "\tSkipFlag" );
822	DTRACE_CABAC_T( "\tuiCtxSkip: ");
823	DTRACE_CABAC_V( uiCtxSkip );
824	DTRACE_CABAC_T( "\tuiSymbol: ");
825	DTRACE_CABAC_V( uiSymbol );
826	DTRACE_CABAC_T( "\n");
827	#else
828	DTRACE_CU("cu_skip_flag", uiSymbol);
829	#endif
830	}
831
832	/** code merge flag
833	* \param pcCU
834	* \param uiAbsPartIdx
835	* \returns Void
836	*/
837	Void TEncSbac::codeMergeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
838	{
839	const UInt uiSymbol = pcCU->getMergeFlag( uiAbsPartIdx ) ? 1 : 0;
840	m_pcBinIf->encodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
841
842	#if H_MV_ENC_DEC_TRAC
843	DTRACE_PU("merge_flag", uiSymbol);
844	#else
845	DTRACE_CABAC_VL( g_nSymbolCounter++ );
846	DTRACE_CABAC_T( "\tMergeFlag: " );
847	DTRACE_CABAC_V( uiSymbol );
848	DTRACE_CABAC_T( "\tAddress: " );
849	DTRACE_CABAC_V( pcCU->getAddr() );
850	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
851	DTRACE_CABAC_V( uiAbsPartIdx );
852	DTRACE_CABAC_T( "\n" );
853	#endif
854	}
855
856	/** code merge index
857	* \param pcCU
858	* \param uiAbsPartIdx
859	* \returns Void
860	*/
861	Void TEncSbac::codeMergeIndex( TComDataCU* pcCU, UInt uiAbsPartIdx )
862	{
863	UInt uiUnaryIdx = pcCU->getMergeIndex( uiAbsPartIdx );
864	UInt uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
865	if ( uiNumCand > 1 )
866	{
867	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
868	{
869	const UInt uiSymbol = ui == uiUnaryIdx ? 0 : 1;
870	if ( ui==0 )
871	{
872	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
873	}
874	else
875	{
876	m_pcBinIf->encodeBinEP( uiSymbol );
877	}
878	if( uiSymbol == 0 )
879	{
880	break;
881	}
882	}
883	#if H_MV_ENC_DEC_TRAC
884	DTRACE_PU("merge_idx", uiUnaryIdx);
885	#endif
886	}
887	#if !H_MV_ENC_DEC_TRAC
888	DTRACE_CABAC_VL( g_nSymbolCounter++ );
889	DTRACE_CABAC_T( "\tparseMergeIndex()" );
890	DTRACE_CABAC_T( "\tuiMRGIdx= " );
891	DTRACE_CABAC_V( pcCU->getMergeIndex( uiAbsPartIdx ) );
892	DTRACE_CABAC_T( "\n" );
893	#endif
894	}
895
896	#if H_3D_ARP
897	Void TEncSbac::codeARPW( TComDataCU* pcCU, UInt uiAbsPartIdx )
898	{
899	Int iW = (Int)pcCU->getARPW( uiAbsPartIdx );
900	Int iMaxW = pcCU->getSlice()->getARPStepNum() - 1;
901	assert( iMaxW > 0);
902
903	Int nOffset = pcCU->getCTXARPWFlag(uiAbsPartIdx);
904	Int nBinNum = iW + ( iW != iMaxW );
905	m_pcBinIf->encodeBin( iW ? 1 : 0 , m_cCUPUARPWSCModel.get( 0, 0, 0 + nOffset ) );
906	if( nBinNum > 1 )
907	{
908	m_pcBinIf->encodeBin( ( iW == iMaxW ) ? 1 : 0, m_cCUPUARPWSCModel.get( 0, 0, 3 ) );
909	}
910	#if H_MV_ENC_DEC_TRAC
911	DTRACE_CU("iv_res_pred_weight_idx", iW);
912	#endif
913	}
914	#endif
915
916	#if H_3D_IC
917	/** code Illumination Compensation flag
918	* \param pcCU
919	* \param uiAbsPartIdx
920	* \returns Void
921	*/
922	Void TEncSbac::codeICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
923	{
924	// get context function is here
925	UInt uiSymbol = pcCU->getICFlag( uiAbsPartIdx ) ? 1 : 0;
926	UInt uiCtxIC = pcCU->getCtxICFlag( uiAbsPartIdx ) ;
927	m_pcBinIf->encodeBin( uiSymbol, m_cCUICFlagSCModel.get( 0, 0, uiCtxIC ) );
928	#if !H_MV_ENC_DEC_TRAC
929	DTRACE_CABAC_VL( g_nSymbolCounter++ );
930	DTRACE_CABAC_T( "\tICFlag" );
931	DTRACE_CABAC_T( "\tuiCtxIC: ");
932	DTRACE_CABAC_V( uiCtxIC );
933	DTRACE_CABAC_T( "\tuiSymbol: ");
934	DTRACE_CABAC_V( uiSymbol );
935	DTRACE_CABAC_T( "\n");
936	#else
937	DTRACE_CU("ic_flag", uiSymbol );
938	#endif
939	}
940	#endif
941
942
943	Void TEncSbac::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
944	{
945	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
946	return;
947
948	UInt uiCtx = pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth );
949	UInt uiCurrSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0;
950
951	assert( uiCtx < 3 );
952	#if H_3D_QTLPC
953	Bool bCodeSplitFlag = true;
954
955	TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS();
956	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
957	Bool bDepthMapDetect = (pcTexture != NULL);
958	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
959
960	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);
961
962	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && sps->getUseQTL() && sps->getUsePC())
963	{
964	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
965	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
966	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
967	bCodeSplitFlag = (pcTextureCU->getDepth(uiCUIdx) > uiDepth);
968	}
969
970	if(!bCodeSplitFlag)
971	{
972	assert(uiCurrSplitFlag == 0);
973	return;
974	}
975	#endif
976	m_pcBinIf->encodeBin( uiCurrSplitFlag, m_cCUSplitFlagSCModel.get( 0, 0, uiCtx ) );
977	#if !H_MV_ENC_DEC_TRAC
978	DTRACE_CABAC_VL( g_nSymbolCounter++ )
979	DTRACE_CABAC_T( "\tSplitFlag\n" )
980	#else
981	DTRACE_CU("split_cu_flag", uiCurrSplitFlag );
982	#endif
983	return;
984	}
985
986	Void TEncSbac::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx )
987	{
988	m_pcBinIf->encodeBin( uiSymbol, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiCtx ) );
989	#if !H_MV_ENC_DEC_TRAC
990	DTRACE_CABAC_VL( g_nSymbolCounter++ )
991	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
992	DTRACE_CABAC_T( "\tsymbol=" )
993	DTRACE_CABAC_V( uiSymbol )
994	DTRACE_CABAC_T( "\tctx=" )
995	DTRACE_CABAC_V( uiCtx )
996	DTRACE_CABAC_T( "\n" )
997	#endif
998	}
999
1000	Void TEncSbac::codeIntraDirLumaAng( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple)
1001	{
1002	UInt dir[4],j;
1003	Int preds[4][3] = {{-1, -1, -1},{-1, -1, -1},{-1, -1, -1},{-1, -1, -1}};
1004	Int predNum[4], predIdx[4] ={ -1,-1,-1,-1};
1005	PartSize mode = pcCU->getPartitionSize( absPartIdx );
1006	UInt partNum = isMultiple?(mode==SIZE_NxN?4:1):1;
1007	UInt partOffset = ( pcCU->getPic()->getNumPartInCU() >> ( pcCU->getDepth(absPartIdx) << 1 ) ) >> 2;
1008	for (j=0;j<partNum;j++)
1009	{
1010	dir[j] = pcCU->getLumaIntraDir( absPartIdx+partOffset*j );
1011	#if H_3D_DIM
1012	if( pcCU->getSlice()->getVpsDepthModesFlag() )
1013	{
1014	codeIntraDepth( pcCU, absPartIdx+partOffset*j );
1015	}
1016	if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1017	#if H_3D_DIM_SDC
1018	if( !pcCU->getSDCFlag( absPartIdx+partOffset*j ) )
1019	#endif
1020	{
1021	#endif
1022	predNum[j] = pcCU->getIntraDirLumaPredictor(absPartIdx+partOffset*j, preds[j]);
1023	for(UInt i = 0; i < predNum[j]; i++)
1024	{
1025	if(dir[j] == preds[j][i])
1026	{
1027	predIdx[j] = i;
1028	}
1029	}
1030	m_pcBinIf->encodeBin((predIdx[j] != -1)? 1 : 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1031	#if H_MV_ENC_DEC_TRAC
1032	DTRACE_CU("prev_intra_luma_pred_flag", (predIdx[j] != -1)? 1 : 0);
1033	#endif
1034	#if H_3D_DIM
1035	}
1036	#endif
1037
1038	}
1039	for (j=0;j<partNum;j++)
1040	{
1041	#if H_3D_DIM
1042	if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1043	#if H_3D_DIM_SDC
1044	if( !pcCU->getSDCFlag( absPartIdx+partOffset*j ) )
1045	#endif
1046	{
1047	#endif
1048	if(predIdx[j] != -1)
1049	{
1050	m_pcBinIf->encodeBinEP( predIdx[j] ? 1 : 0 );
1051	if (predIdx[j])
1052	{
1053	m_pcBinIf->encodeBinEP( predIdx[j]-1 );
1054	}
1055	#if H_MV_ENC_DEC_TRAC
1056	DTRACE_CU("mpm_idx", predIdx[j] );
1057	#endif
1058	}
1059	else
1060	{
1061	if (preds[j][0] > preds[j][1])
1062	{
1063	std::swap(preds[j][0], preds[j][1]);
1064	}
1065	if (preds[j][0] > preds[j][2])
1066	{
1067	std::swap(preds[j][0], preds[j][2]);
1068	}
1069	if (preds[j][1] > preds[j][2])
1070	{
1071	std::swap(preds[j][1], preds[j][2]);
1072	}
1073	for(Int i = (predNum[j] - 1); i >= 0; i--)
1074	{
1075	dir[j] = dir[j] > preds[j][i] ? dir[j] - 1 : dir[j];
1076	}
1077	m_pcBinIf->encodeBinsEP( dir[j], 5 );
1078	#if H_MV_ENC_DEC_TRAC
1079	DTRACE_CU("rem_intra_luma_pred_mode", dir[j] );
1080	#endif
1081	}
1082	#if H_3D_DIM
1083	}
1084	#endif
1085	}
1086	return;
1087	}
1088
1089	Void TEncSbac::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx )
1090	{
1091	UInt uiIntraDirChroma = pcCU->getChromaIntraDir( uiAbsPartIdx );
1092
1093	if( uiIntraDirChroma == DM_CHROMA_IDX )
1094	{
1095	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1096	#if H_MV_ENC_DEC_TRAC
1097	DTRACE_CU("intra_chroma_pred_mode", 0 );
1098	#endif
1099	}
1100	else
1101	{
1102	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1103	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1104
1105	for( Int i = 0; i < NUM_CHROMA_MODE - 1; i++ )
1106	{
1107	if( uiIntraDirChroma == uiAllowedChromaDir[i] )
1108	{
1109	uiIntraDirChroma = i;
1110	break;
1111	}
1112	}
1113	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1114
1115	m_pcBinIf->encodeBinsEP( uiIntraDirChroma, 2 );
1116	#if H_MV_ENC_DEC_TRAC
1117	DTRACE_CU("intra_chroma_pred_mode", uiIntraDirChroma );
1118	#endif
1119
1120	}
1121	return;
1122	}
1123
1124	#if H_3D_DIM
1125	Void TEncSbac::codeIntraDepth( TComDataCU* pcCU, UInt absPartIdx )
1126	{
1127	codeIntraDepthMode( pcCU, absPartIdx );
1128
1129	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
1130	UInt dimType = getDimType( dir );
1131
1132	switch( dimType )
1133	{
1134	#if H_3D_DIM_DMM
1135	case( DMM1_IDX ):
1136	{
1137	xCodeDmm1WedgeIdx( pcCU->getDmmWedgeTabIdx( dimType, absPartIdx ), g_dmm1TabIdxBits[pcCU->getIntraSizeIdx(absPartIdx)] );
1138	} break;
1139	case( DMM4_IDX ): break;
1140	#endif
1141	default: break;
1142	}
1143
1144	if( dimType < DIM_NUM_TYPE \|\| pcCU->getSDCFlag( absPartIdx ) )
1145	{
1146	UInt dimDeltaDC;
1147	Pel deltaDC;
1148	UInt uiNumSegments = ( dir == PLANAR_IDX ) ? 1 : 2;
1149	if( pcCU->getSDCFlag( absPartIdx ) )
1150	{
1151	if( uiNumSegments==1 )
1152	{
1153	dimDeltaDC = pcCU->getSDCSegmentDCOffset(0, absPartIdx) ? 1 : 0;
1154	}
1155	else
1156	{
1157	dimDeltaDC = ( pcCU->getSDCSegmentDCOffset(0, absPartIdx) \|\| pcCU->getSDCSegmentDCOffset(1, absPartIdx) ) ? 1 : 0;
1158	}
1159	}
1160	else
1161	{
1162	dimDeltaDC = isDimDeltaDC( dir );
1163	}
1164
1165	m_pcBinIf->encodeBin( dimDeltaDC, m_cDdcFlagSCModel.get(0, 0, uiNumSegments-1) );
1166
1167	if( dimDeltaDC )
1168	{
1169	for( UInt segment = 0; segment < uiNumSegments; segment++ )
1170	{
1171	deltaDC = pcCU->getSDCFlag( absPartIdx ) ? pcCU->getSDCSegmentDCOffset(segment, absPartIdx) : pcCU->getDimDeltaDC( dimType, segment, absPartIdx );
1172	xCodeDimDeltaDC( deltaDC, uiNumSegments );
1173	}
1174	}
1175	}
1176	}
1177
1178	Void TEncSbac::codeIntraDepthMode( TComDataCU* pcCU, UInt absPartIdx )
1179	{
1180	UInt codeWordTable[3][7] = {{0, 0, 0, 1, 0, 0, 0},{0, 2, 6, 14, 15, 0, 0},{0, 1, 0, 0, 0, 0, 0}};
1181	UInt codeWordLenTable[3][7] = {{0, 1, 0, 1, 0, 0, 0},{1, 2, 3, 4, 4, 0, 0},{1, 1, 0, 0, 0, 0, 0}};
1182	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
1183	UInt puIdx = (pcCU->getWidth(absPartIdx) == 64) ? 2 : ( (pcCU->getPartitionSize(absPartIdx) == SIZE_NxN && pcCU->getWidth(absPartIdx) == 8) ? 0 : 1 );
1184	UInt codeIdx = 0;
1185
1186	if( dir < NUM_INTRA_MODE )
1187	{
1188	codeIdx = 1;
1189	}
1190	if( isDimMode( dir ) )
1191	{
1192	switch( getDimType( dir ) )
1193	{
1194	case DMM1_IDX: codeIdx = 3; break;
1195	case DMM4_IDX: codeIdx = 4; break;
1196	default: break;
1197	}
1198	}
1199
1200	#if H_3D_DIM_SDC
1201	if( pcCU->getSDCFlag( absPartIdx ) )
1202	{
1203	switch( dir )
1204	{
1205	case PLANAR_IDX: codeIdx = 0; break;
1206	default: codeIdx = 2; break;
1207	}
1208	}
1209	#endif
1210	//mode coding
1211	for( UInt i = 0; i < codeWordLenTable[puIdx][codeIdx]; i++ )
1212	{
1213	UInt bit = codeWordTable[puIdx][codeIdx] & ( 1<<(codeWordLenTable[puIdx][codeIdx] - i - 1) );
1214	UInt ctxDepthMode = puIdx*3 + ( (i >= 2) ? 2 : i );
1215	m_pcBinIf->encodeBin( bit!=0 , m_cDepthIntraModeSCModel.get(0, 0, ctxDepthMode) );
1216	}
1217	}
1218	#endif
1219
1220
1221	Void TEncSbac::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
1222	{
1223	const UInt uiInterDir = pcCU->getInterDir( uiAbsPartIdx ) - 1;
1224	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1225	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1226	if (pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N \|\| pcCU->getHeight(uiAbsPartIdx) != 8 )
1227	{
1228	m_pcBinIf->encodeBin( uiInterDir == 2 ? 1 : 0, *( pCtx + uiCtx ) );
1229	}
1230	if (uiInterDir < 2)
1231	{
1232	m_pcBinIf->encodeBin( uiInterDir, *( pCtx + 4 ) );
1233	}
1234	#if H_MV_ENC_DEC_TRAC
1235	DTRACE_PU("inter_pred_idc", uiInterDir );
1236	#endif
1237
1238	return;
1239	}
1240
1241	Void TEncSbac::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1242	{
1243	{
1244	Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1245	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1246	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1247
1248	if( iRefFrame > 0 )
1249	{
1250	UInt uiRefNum = pcCU->getSlice()->getNumRefIdx( eRefList ) - 2;
1251	pCtx++;
1252	iRefFrame--;
1253	for( UInt ui = 0; ui < uiRefNum; ++ui )
1254	{
1255	const UInt uiSymbol = ui == iRefFrame ? 0 : 1;
1256	if( ui == 0 )
1257	{
1258	m_pcBinIf->encodeBin( uiSymbol, *pCtx );
1259	}
1260	else
1261	{
1262	m_pcBinIf->encodeBinEP( uiSymbol );
1263	}
1264	if( uiSymbol == 0 )
1265	{
1266	break;
1267	}
1268	}
1269	}
1270	#if H_MV_ENC_DEC_TRAC
1271	#if ENC_DEC_TRACE
1272	iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1273	if ( eRefList == REF_PIC_LIST_0 )
1274	{
1275	DTRACE_PU("ref_idx_l0", iRefFrame)
1276	}
1277	else
1278	{
1279	DTRACE_PU("ref_idx_l1", iRefFrame)
1280	}
1281	#endif
1282	#endif
1283	}
1284	return;
1285	}
1286
1287	Void TEncSbac::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1288	{
1289	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1290	{
1291	return;
1292	}
1293
1294	const TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList );
1295	const Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor();
1296	const Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer();
1297	ContextModel* pCtx = m_cCUMvdSCModel.get( 0 );
1298
1299	m_pcBinIf->encodeBin( iHor != 0 ? 1 : 0, *pCtx );
1300	m_pcBinIf->encodeBin( iVer != 0 ? 1 : 0, *pCtx );
1301
1302	const Bool bHorAbsGr0 = iHor != 0;
1303	const Bool bVerAbsGr0 = iVer != 0;
1304	const UInt uiHorAbs = 0 > iHor ? -iHor : iHor;
1305	const UInt uiVerAbs = 0 > iVer ? -iVer : iVer;
1306	pCtx++;
1307
1308	if( bHorAbsGr0 )
1309	{
1310	m_pcBinIf->encodeBin( uiHorAbs > 1 ? 1 : 0, *pCtx );
1311	}
1312
1313	if( bVerAbsGr0 )
1314	{
1315	m_pcBinIf->encodeBin( uiVerAbs > 1 ? 1 : 0, *pCtx );
1316	}
1317
1318	if( bHorAbsGr0 )
1319	{
1320	if( uiHorAbs > 1 )
1321	{
1322	xWriteEpExGolomb( uiHorAbs-2, 1 );
1323	}
1324
1325	m_pcBinIf->encodeBinEP( 0 > iHor ? 1 : 0 );
1326	}
1327
1328	if( bVerAbsGr0 )
1329	{
1330	if( uiVerAbs > 1 )
1331	{
1332	xWriteEpExGolomb( uiVerAbs-2, 1 );
1333	}
1334
1335	m_pcBinIf->encodeBinEP( 0 > iVer ? 1 : 0 );
1336	}
1337
1338	return;
1339	}
1340
1341	Void TEncSbac::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx )
1342	{
1343	Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
1344
1345	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY();
1346	iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
1347
1348	UInt uiAbsDQp = (UInt)((iDQp > 0)? iDQp : (-iDQp));
1349	UInt TUValue = min((Int)uiAbsDQp, CU_DQP_TU_CMAX);
1350	xWriteUnaryMaxSymbol( TUValue, &m_cCUDeltaQpSCModel.get( 0, 0, 0 ), 1, CU_DQP_TU_CMAX);
1351	if( uiAbsDQp >= CU_DQP_TU_CMAX )
1352	{
1353	xWriteEpExGolomb( uiAbsDQp - CU_DQP_TU_CMAX, CU_DQP_EG_k );
1354	}
1355
1356	if ( uiAbsDQp > 0)
1357	{
1358	UInt uiSign = (iDQp > 0 ? 0 : 1);
1359	m_pcBinIf->encodeBinEP(uiSign);
1360	}
1361
1362	return;
1363	}
1364
1365	Void TEncSbac::codeQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth )
1366	{
1367	UInt uiCbf = pcCU->getCbf ( uiAbsPartIdx, eType, uiTrDepth );
1368	UInt uiCtx = pcCU->getCtxQtCbf( eType, uiTrDepth );
1369	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) );
1370	#if !H_MV_ENC_DEC_TRAC
1371	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1372	DTRACE_CABAC_T( "\tparseQtCbf()" )
1373	DTRACE_CABAC_T( "\tsymbol=" )
1374	DTRACE_CABAC_V( uiCbf )
1375	DTRACE_CABAC_T( "\tctx=" )
1376	DTRACE_CABAC_V( uiCtx )
1377	DTRACE_CABAC_T( "\tetype=" )
1378	DTRACE_CABAC_V( eType )
1379	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1380	DTRACE_CABAC_V( uiAbsPartIdx )
1381	DTRACE_CABAC_T( "\n" )
1382	#endif
1383	}
1384
1385	void TEncSbac::codeTransformSkipFlags (TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, TextType eTType )
1386	{
1387	if (pcCU->getCUTransquantBypass(uiAbsPartIdx))
1388	{
1389	return;
1390	}
1391	if(width != 4 \|\| height != 4)
1392	{
1393	return;
1394	}
1395
1396	UInt useTransformSkip = pcCU->getTransformSkip( uiAbsPartIdx,eTType);
1397	m_pcBinIf->encodeBin( useTransformSkip, m_cTransformSkipSCModel.get( 0, eTType? TEXT_CHROMA: TEXT_LUMA, 0 ) );
1398	#if !H_MV_ENC_DEC_TRAC
1399	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1400	DTRACE_CABAC_T("\tparseTransformSkip()");
1401	DTRACE_CABAC_T( "\tsymbol=" )
1402	DTRACE_CABAC_V( useTransformSkip )
1403	DTRACE_CABAC_T( "\tAddr=" )
1404	DTRACE_CABAC_V( pcCU->getAddr() )
1405	DTRACE_CABAC_T( "\tetype=" )
1406	DTRACE_CABAC_V( eTType )
1407	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1408	DTRACE_CABAC_V( uiAbsPartIdx )
1409	DTRACE_CABAC_T( "\n" )
1410	#endif
1411	}
1412
1413	/** Code I_PCM information.
1414	* \param pcCU pointer to CU
1415	* \param uiAbsPartIdx CU index
1416	* \returns Void
1417	*/
1418	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
1419	{
1420	UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0;
1421
1422	Bool writePCMSampleFlag = pcCU->getIPCMFlag(uiAbsPartIdx);
1423
1424	m_pcBinIf->encodeBinTrm (uiIPCM);
1425	#if H_MV_ENC_DEC_TRAC
1426	DTRACE_CU("pcm_flag", uiIPCM)
1427	#endif
1428	if (writePCMSampleFlag)
1429	{
1430	m_pcBinIf->encodePCMAlignBits();
1431
1432	UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight();
1433	UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx;
1434	UInt uiChromaOffset = uiLumaOffset>>2;
1435	Pel* piPCMSample;
1436	UInt uiWidth;
1437	UInt uiHeight;
1438	UInt uiSampleBits;
1439	UInt uiX, uiY;
1440
1441	piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset;
1442	uiWidth = pcCU->getWidth(uiAbsPartIdx);
1443	uiHeight = pcCU->getHeight(uiAbsPartIdx);
1444	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma();
1445
1446	for(uiY = 0; uiY < uiHeight; uiY++)
1447	{
1448	for(uiX = 0; uiX < uiWidth; uiX++)
1449	{
1450	UInt uiSample = piPCMSample[uiX];
1451
1452	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1453	}
1454	piPCMSample += uiWidth;
1455	}
1456
1457	piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset;
1458	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1459	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1460	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1461
1462	for(uiY = 0; uiY < uiHeight; uiY++)
1463	{
1464	for(uiX = 0; uiX < uiWidth; uiX++)
1465	{
1466	UInt uiSample = piPCMSample[uiX];
1467
1468	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1469	}
1470	piPCMSample += uiWidth;
1471	}
1472
1473	piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset;
1474	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1475	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1476	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1477
1478	for(uiY = 0; uiY < uiHeight; uiY++)
1479	{
1480	for(uiX = 0; uiX < uiWidth; uiX++)
1481	{
1482	UInt uiSample = piPCMSample[uiX];
1483
1484	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1485	}
1486	piPCMSample += uiWidth;
1487	}
1488	m_pcBinIf->resetBac();
1489	}
1490	}
1491
1492	Void TEncSbac::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx )
1493	{
1494	UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx );
1495	UInt uiCtx = 0;
1496	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1497	#if !H_MV_ENC_DEC_TRAC
1498	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1499	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1500	DTRACE_CABAC_T( "\tsymbol=" )
1501	DTRACE_CABAC_V( uiCbf )
1502	DTRACE_CABAC_T( "\tctx=" )
1503	DTRACE_CABAC_V( uiCtx )
1504	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1505	DTRACE_CABAC_V( uiAbsPartIdx )
1506	DTRACE_CABAC_T( "\n" )
1507	#else
1508	DTRACE_CU( "rqt_root_cbf", uiCbf )
1509	#endif
1510	}
1511
1512	Void TEncSbac::codeQtCbfZero( TComDataCU* pcCU, TextType eType, UInt uiTrDepth )
1513	{
1514	// this function is only used to estimate the bits when cbf is 0
1515	// and will never be called when writing the bistream. do not need to write log
1516	UInt uiCbf = 0;
1517	UInt uiCtx = pcCU->getCtxQtCbf( eType, uiTrDepth );
1518	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) );
1519	}
1520
1521	Void TEncSbac::codeQtRootCbfZero( TComDataCU* pcCU )
1522	{
1523	// this function is only used to estimate the bits when cbf is 0
1524	// and will never be called when writing the bistream. do not need to write log
1525	UInt uiCbf = 0;
1526	UInt uiCtx = 0;
1527	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1528	}
1529
1530	/** Encode (X,Y) position of the last significant coefficient
1531	* \param uiPosX X component of last coefficient
1532	* \param uiPosY Y component of last coefficient
1533	* \param width Block width
1534	* \param height Block height
1535	* \param eTType plane type / luminance or chrominance
1536	* \param uiScanIdx scan type (zig-zag, hor, ver)
1537	* This method encodes the X and Y component within a block of the last significant coefficient.
1538	*/
1539	Void TEncSbac::codeLastSignificantXY( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx )
1540	{
1541	// swap
1542	if( uiScanIdx == SCAN_VER )
1543	{
1544	swap( uiPosX, uiPosY );
1545	}
1546
1547	UInt uiCtxLast;
1548	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
1549	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
1550	UInt uiGroupIdxX = g_uiGroupIdx[ uiPosX ];
1551	UInt uiGroupIdxY = g_uiGroupIdx[ uiPosY ];
1552
1553
1554	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
1555	blkSizeOffsetX = eTType ? 0: (g_aucConvertToBit[ width ] *3 + ((g_aucConvertToBit[ width ] +1)>>2));
1556	blkSizeOffsetY = eTType ? 0: (g_aucConvertToBit[ height ]*3 + ((g_aucConvertToBit[ height ]+1)>>2));
1557	shiftX= eTType ? g_aucConvertToBit[ width ] :((g_aucConvertToBit[ width ]+3)>>2);
1558	shiftY= eTType ? g_aucConvertToBit[ height ] :((g_aucConvertToBit[ height ]+3)>>2);
1559	// posX
1560	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxX; uiCtxLast++ )
1561	{
1562	m_pcBinIf->encodeBin( 1, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1563	}
1564	if( uiGroupIdxX < g_uiGroupIdx[ width - 1 ])
1565	{
1566	m_pcBinIf->encodeBin( 0, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1567	}
1568
1569	// posY
1570	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxY; uiCtxLast++ )
1571	{
1572	m_pcBinIf->encodeBin( 1, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1573	}
1574	if( uiGroupIdxY < g_uiGroupIdx[ height - 1 ])
1575	{
1576	m_pcBinIf->encodeBin( 0, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1577	}
1578	if ( uiGroupIdxX > 3 )
1579	{
1580	UInt uiCount = ( uiGroupIdxX - 2 ) >> 1;
1581	uiPosX = uiPosX - g_uiMinInGroup[ uiGroupIdxX ];
1582	for (Int i = uiCount - 1 ; i >= 0; i-- )
1583	{
1584	m_pcBinIf->encodeBinEP( ( uiPosX >> i ) & 1 );
1585	}
1586	}
1587	if ( uiGroupIdxY > 3 )
1588	{
1589	UInt uiCount = ( uiGroupIdxY - 2 ) >> 1;
1590	uiPosY = uiPosY - g_uiMinInGroup[ uiGroupIdxY ];
1591	for ( Int i = uiCount - 1 ; i >= 0; i-- )
1592	{
1593	m_pcBinIf->encodeBinEP( ( uiPosY >> i ) & 1 );
1594	}
1595	}
1596	}
1597
1598	Void TEncSbac::codeCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType )
1599	{
1600	#if !H_MV_ENC_DEC_TRAC
1601	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1602	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1603	DTRACE_CABAC_V( eTType )
1604	DTRACE_CABAC_T( "\twidth=" )
1605	DTRACE_CABAC_V( uiWidth )
1606	DTRACE_CABAC_T( "\theight=" )
1607	DTRACE_CABAC_V( uiHeight )
1608	DTRACE_CABAC_T( "\tdepth=" )
1609	DTRACE_CABAC_V( uiDepth )
1610	DTRACE_CABAC_T( "\tabspartidx=" )
1611	DTRACE_CABAC_V( uiAbsPartIdx )
1612	DTRACE_CABAC_T( "\ttoCU-X=" )
1613	DTRACE_CABAC_V( pcCU->getCUPelX() )
1614	DTRACE_CABAC_T( "\ttoCU-Y=" )
1615	DTRACE_CABAC_V( pcCU->getCUPelY() )
1616	DTRACE_CABAC_T( "\tCU-addr=" )
1617	DTRACE_CABAC_V( pcCU->getAddr() )
1618	DTRACE_CABAC_T( "\tinCU-X=" )
1619	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1620	DTRACE_CABAC_T( "\tinCU-Y=" )
1621	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1622	DTRACE_CABAC_T( "\tpredmode=" )
1623	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1624	DTRACE_CABAC_T( "\n" )
1625	#endif
1626	if( uiWidth > m_pcSlice->getSPS()->getMaxTrSize() )
1627	{
1628	uiWidth = m_pcSlice->getSPS()->getMaxTrSize();
1629	uiHeight = m_pcSlice->getSPS()->getMaxTrSize();
1630	}
1631
1632	UInt uiNumSig = 0;
1633
1634	// compute number of significant coefficients
1635	uiNumSig = TEncEntropy::countNonZeroCoeffs(pcCoef, uiWidth * uiHeight);
1636
1637	if ( uiNumSig == 0 )
1638	return;
1639	if(pcCU->getSlice()->getPPS()->getUseTransformSkip())
1640	{
1641	codeTransformSkipFlags( pcCU,uiAbsPartIdx, uiWidth, uiHeight, eTType );
1642	}
1643	eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA );
1644
1645	//----- encode significance map -----
1646	const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2;
1647	UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx));
1648	const UInt *scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize - 1 ];
1649
1650	Bool beValid;
1651	if (pcCU->getCUTransquantBypass(uiAbsPartIdx))
1652	{
1653	beValid = false;
1654	}
1655	else
1656	{
1657	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1658	}
1659
1660	// Find position of last coefficient
1661	Int scanPosLast = -1;
1662	Int posLast;
1663
1664	const UInt * scanCG;
1665	{
1666	scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ];
1667	if( uiLog2BlockSize == 3 )
1668	{
1669	scanCG = g_sigLastScan8x8[ uiScanIdx ];
1670	}
1671	else if( uiLog2BlockSize == 5 )
1672	{
1673	scanCG = g_sigLastScanCG32x32;
1674	}
1675	}
1676	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1677	static const UInt uiShift = MLS_CG_SIZE >> 1;
1678	const UInt uiNumBlkSide = uiWidth >> uiShift;
1679
1680	::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1681
1682	do
1683	{
1684	posLast = scan[ ++scanPosLast ];
1685
1686	// get L1 sig map
1687	UInt uiPosY = posLast >> uiLog2BlockSize;
1688	UInt uiPosX = posLast - ( uiPosY << uiLog2BlockSize );
1689	UInt uiBlkIdx = uiNumBlkSide * (uiPosY >> uiShift) + (uiPosX >> uiShift);
1690	if( pcCoef[ posLast ] )
1691	{
1692	uiSigCoeffGroupFlag[ uiBlkIdx ] = 1;
1693	}
1694
1695	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1696	}
1697	while ( uiNumSig > 0 );
1698
1699	// Code position of last coefficient
1700	Int posLastY = posLast >> uiLog2BlockSize;
1701	Int posLastX = posLast - ( posLastY << uiLog2BlockSize );
1702	codeLastSignificantXY(posLastX, posLastY, uiWidth, uiHeight, eTType, uiScanIdx);
1703
1704	//===== code significance flag =====
1705	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType );
1706	ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA;
1707
1708
1709	const Int iLastScanSet = scanPosLast >> LOG2_SCAN_SET_SIZE;
1710	UInt c1 = 1;
1711	UInt uiGoRiceParam = 0;
1712	Int iScanPosSig = scanPosLast;
1713
1714	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1715	{
1716	Int numNonZero = 0;
1717	Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE;
1718	uiGoRiceParam = 0;
1719	Int absCoeff[16];
1720	UInt coeffSigns = 0;
1721
1722	Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE;
1723
1724	if( iScanPosSig == scanPosLast )
1725	{
1726	absCoeff[ 0 ] = abs( pcCoef[ posLast ] );
1727	coeffSigns = ( pcCoef[ posLast ] < 0 );
1728	numNonZero = 1;
1729	lastNZPosInCG = iScanPosSig;
1730	firstNZPosInCG = iScanPosSig;
1731	iScanPosSig--;
1732	}
1733
1734	// encode significant_coeffgroup_flag
1735	Int iCGBlkPos = scanCG[ iSubSet ];
1736	Int iCGPosY = iCGBlkPos / uiNumBlkSide;
1737	Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide);
1738	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1739	{
1740	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1741	}
1742	else
1743	{
1744	UInt uiSigCoeffGroup = (uiSigCoeffGroupFlag[ iCGBlkPos ] != 0);
1745	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1746	m_pcBinIf->encodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1747	}
1748
1749	// encode significant_coeff_flag
1750	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1751	{
1752	Int patternSigCtx = TComTrQuant::calcPatternSigCtx( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1753	UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig;
1754	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1755	{
1756	uiBlkPos = scan[ iScanPosSig ];
1757	uiPosY = uiBlkPos >> uiLog2BlockSize;
1758	uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1759	uiSig = (pcCoef[ uiBlkPos ] != 0);
1760	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1761	{
1762	uiCtxSig = TComTrQuant::getSigCtxInc( patternSigCtx, uiScanIdx, uiPosX, uiPosY, uiLog2BlockSize, eTType );
1763	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1764	}
1765	if( uiSig )
1766	{
1767	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1768	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1769	numNonZero++;
1770	if( lastNZPosInCG == -1 )
1771	{
1772	lastNZPosInCG = iScanPosSig;
1773	}
1774	firstNZPosInCG = iScanPosSig;
1775	}
1776	}
1777	}
1778	else
1779	{
1780	iScanPosSig = iSubPos - 1;
1781	}
1782
1783	if( numNonZero > 0 )
1784	{
1785	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= SBH_THRESHOLD );
1786	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0;
1787
1788	if( c1 == 0 )
1789	{
1790	uiCtxSet++;
1791	}
1792	c1 = 1;
1793	ContextModel baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet;
1794
1795	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
1796	Int firstC2FlagIdx = -1;
1797	for( Int idx = 0; idx < numC1Flag; idx++ )
1798	{
1799	UInt uiSymbol = absCoeff[ idx ] > 1;
1800	m_pcBinIf->encodeBin( uiSymbol, baseCtxMod[c1] );
1801	if( uiSymbol )
1802	{
1803	c1 = 0;
1804
1805	if (firstC2FlagIdx == -1)
1806	{
1807	firstC2FlagIdx = idx;
1808	}
1809	}
1810	else if( (c1 < 3) && (c1 > 0) )
1811	{
1812	c1++;
1813	}
1814	}
1815
1816	if (c1 == 0)
1817	{
1818
1819	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet;
1820	if ( firstC2FlagIdx != -1)
1821	{
1822	UInt symbol = absCoeff[ firstC2FlagIdx ] > 2;
1823	m_pcBinIf->encodeBin( symbol, baseCtxMod[0] );
1824	}
1825	}
1826
1827	if( beValid && signHidden )
1828	{
1829	m_pcBinIf->encodeBinsEP( (coeffSigns >> 1), numNonZero-1 );
1830	}
1831	else
1832	{
1833	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
1834	}
1835
1836	Int iFirstCoeff2 = 1;
1837	if (c1 == 0 \|\| numNonZero > C1FLAG_NUMBER)
1838	{
1839	for ( Int idx = 0; idx < numNonZero; idx++ )
1840	{
1841	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1;
1842
1843	if( absCoeff[ idx ] >= baseLevel)
1844	{
1845	xWriteCoefRemainExGolomb( absCoeff[ idx ] - baseLevel, uiGoRiceParam );
1846	if(absCoeff[idx] > 3*(1<<uiGoRiceParam))
1847	{
1848	uiGoRiceParam = min<UInt>(uiGoRiceParam+ 1, 4);
1849	}
1850	}
1851	if(absCoeff[ idx ] >= 2)
1852	{
1853	iFirstCoeff2 = 0;
1854	}
1855	}
1856	}
1857	}
1858	}
1859
1860	return;
1861	}
1862
1863	/** code SAO offset sign
1864	* \param code sign value
1865	*/
1866	Void TEncSbac::codeSAOSign( UInt code )
1867	{
1868	m_pcBinIf->encodeBinEP( code );
1869	}
1870
1871	Void TEncSbac::codeSaoMaxUvlc ( UInt code, UInt maxSymbol )
1872	{
1873	if (maxSymbol == 0)
1874	{
1875	return;
1876	}
1877
1878	Int i;
1879	Bool bCodeLast = ( maxSymbol > code );
1880
1881	if ( code == 0 )
1882	{
1883	m_pcBinIf->encodeBinEP( 0 );
1884	}
1885	else
1886	{
1887	m_pcBinIf->encodeBinEP( 1 );
1888	for ( i=0; i<code-1; i++ )
1889	{
1890	m_pcBinIf->encodeBinEP( 1 );
1891	}
1892	if( bCodeLast )
1893	{
1894	m_pcBinIf->encodeBinEP( 0 );
1895	}
1896	}
1897	}
1898
1899
1900	/** Code SAO EO class or BO band position
1901	* \param uiLength
1902	* \param uiCode
1903	*/
1904	Void TEncSbac::codeSaoUflc ( UInt uiLength, UInt uiCode )
1905	{
1906	m_pcBinIf->encodeBinsEP ( uiCode, uiLength );
1907	}
1908	/** Code SAO merge flags
1909	* \param uiCode
1910	* \param uiCompIdx
1911	*/
1912	Void TEncSbac::codeSaoMerge ( UInt uiCode )
1913	{
1914	if (uiCode == 0)
1915	{
1916	m_pcBinIf->encodeBin(0, m_cSaoMergeSCModel.get( 0, 0, 0 ));
1917	}
1918	else
1919	{
1920	m_pcBinIf->encodeBin(1, m_cSaoMergeSCModel.get( 0, 0, 0 ));
1921	}
1922	}
1923	/** Code SAO type index
1924	* \param uiCode
1925	*/
1926	Void TEncSbac::codeSaoTypeIdx ( UInt uiCode)
1927	{
1928	if (uiCode == 0)
1929	{
1930	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
1931	}
1932	else
1933	{
1934	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
1935	m_pcBinIf->encodeBinEP( uiCode <= 4 ? 1 : 0 );
1936	}
1937	}
1938	/*!
1939	****************************************************************************
1940	* \brief
1941	* estimate bit cost for CBP, significant map and significant coefficients
1942	****************************************************************************
1943	*/
1944	Void TEncSbac::estBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
1945	{
1946	estCBFBit( pcEstBitsSbac );
1947
1948	estSignificantCoeffGroupMapBit( pcEstBitsSbac, eTType );
1949
1950	// encode significance map
1951	estSignificantMapBit( pcEstBitsSbac, width, height, eTType );
1952
1953	// encode significant coefficients
1954	estSignificantCoefficientsBit( pcEstBitsSbac, eTType );
1955	}
1956
1957	/*!
1958	****************************************************************************
1959	* \brief
1960	* estimate bit cost for each CBP bit
1961	****************************************************************************
1962	*/
1963	Void TEncSbac::estCBFBit( estBitsSbacStruct* pcEstBitsSbac )
1964	{
1965	ContextModel *pCtx = m_cCUQtCbfSCModel.get( 0 );
1966
1967	for( UInt uiCtxInc = 0; uiCtxInc < 3*NUM_QT_CBF_CTX; uiCtxInc++ )
1968	{
1969	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
1970	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
1971	}
1972
1973	pCtx = m_cCUQtRootCbfSCModel.get( 0 );
1974
1975	for( UInt uiCtxInc = 0; uiCtxInc < 4; uiCtxInc++ )
1976	{
1977	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
1978	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
1979	}
1980	}
1981
1982
1983	/*!
1984	****************************************************************************
1985	* \brief
1986	* estimate SAMBAC bit cost for significant coefficient group map
1987	****************************************************************************
1988	*/
1989	Void TEncSbac::estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, TextType eTType )
1990	{
1991	Int firstCtx = 0, numCtx = NUM_SIG_CG_FLAG_CTX;
1992
1993	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
1994	{
1995	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
1996	{
1997	pcEstBitsSbac->significantCoeffGroupBits[ ctxIdx ][ uiBin ] = m_cCUSigCoeffGroupSCModel.get( 0, eTType, ctxIdx ).getEntropyBits( uiBin );
1998	}
1999	}
2000	}
2001
2002
2003	/*!
2004	****************************************************************************
2005	* \brief
2006	* estimate SAMBAC bit cost for significant coefficient map
2007	****************************************************************************
2008	*/
2009	Void TEncSbac::estSignificantMapBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2010	{
2011	Int firstCtx = 1, numCtx = 8;
2012	if (max(width, height) >= 16)
2013	{
2014	firstCtx = (eTType == TEXT_LUMA) ? 21 : 12;
2015	numCtx = (eTType == TEXT_LUMA) ? 6 : 3;
2016	}
2017	else if (width == 8)
2018	{
2019	firstCtx = 9;
2020	numCtx = (eTType == TEXT_LUMA) ? 12 : 3;
2021	}
2022
2023	if (eTType == TEXT_LUMA )
2024	{
2025	for( UInt bin = 0; bin < 2; bin++ )
2026	{
2027	pcEstBitsSbac->significantBits[ 0 ][ bin ] = m_cCUSigSCModel.get( 0, 0, 0 ).getEntropyBits( bin );
2028	}
2029
2030	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2031	{
2032	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2033	{
2034	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, ctxIdx ).getEntropyBits( uiBin );
2035	}
2036	}
2037	}
2038	else
2039	{
2040	for( UInt bin = 0; bin < 2; bin++ )
2041	{
2042	pcEstBitsSbac->significantBits[ 0 ][ bin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + 0 ).getEntropyBits( bin );
2043	}
2044	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2045	{
2046	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2047	{
2048	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + ctxIdx ).getEntropyBits( uiBin );
2049	}
2050	}
2051	}
2052	Int iBitsX = 0, iBitsY = 0;
2053	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
2054
2055	blkSizeOffsetX = eTType ? 0: (g_aucConvertToBit[ width ] *3 + ((g_aucConvertToBit[ width ] +1)>>2));
2056	blkSizeOffsetY = eTType ? 0: (g_aucConvertToBit[ height ]*3 + ((g_aucConvertToBit[ height ]+1)>>2));
2057	shiftX = eTType ? g_aucConvertToBit[ width ] :((g_aucConvertToBit[ width ]+3)>>2);
2058	shiftY = eTType ? g_aucConvertToBit[ height ] :((g_aucConvertToBit[ height ]+3)>>2);
2059
2060	Int ctx;
2061	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
2062	for (ctx = 0; ctx < g_uiGroupIdx[ width - 1 ]; ctx++)
2063	{
2064	Int ctxOffset = blkSizeOffsetX + (ctx >>shiftX);
2065	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffset ].getEntropyBits( 0 );
2066	iBitsX += pCtxX[ ctxOffset ].getEntropyBits( 1 );
2067	}
2068	pcEstBitsSbac->lastXBits[ctx] = iBitsX;
2069	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
2070	for (ctx = 0; ctx < g_uiGroupIdx[ height - 1 ]; ctx++)
2071	{
2072	Int ctxOffset = blkSizeOffsetY + (ctx >>shiftY);
2073	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffset ].getEntropyBits( 0 );
2074	iBitsY += pCtxY[ ctxOffset ].getEntropyBits( 1 );
2075	}
2076	pcEstBitsSbac->lastYBits[ctx] = iBitsY;
2077	}
2078
2079	/*!
2080	****************************************************************************
2081	* \brief
2082	* estimate bit cost of significant coefficient
2083	****************************************************************************
2084	*/
2085	Void TEncSbac::estSignificantCoefficientsBit( estBitsSbacStruct* pcEstBitsSbac, TextType eTType )
2086	{
2087	if (eTType==TEXT_LUMA)
2088	{
2089	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0);
2090	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0);
2091
2092	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_LUMA; ctxIdx++)
2093	{
2094	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2095	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2096	}
2097
2098	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_LUMA; ctxIdx++)
2099	{
2100	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2101	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2102	}
2103	}
2104	else
2105	{
2106	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0) + NUM_ONE_FLAG_CTX_LUMA;
2107	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0) + NUM_ABS_FLAG_CTX_LUMA;
2108
2109	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_CHROMA; ctxIdx++)
2110	{
2111	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2112	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2113	}
2114
2115	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_CHROMA; ctxIdx++)
2116	{
2117	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2118	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2119	}
2120	}
2121	}
2122
2123	/**
2124	- Initialize our context information from the nominated source.
2125	.
2126	\param pSrc From where to copy context information.
2127	*/
2128	Void TEncSbac::xCopyContextsFrom( TEncSbac* pSrc )
2129	{
2130	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2131	}
2132
2133	Void TEncSbac::loadContexts ( TEncSbac* pScr)
2134	{
2135	this->xCopyContextsFrom(pScr);
2136	}
2137
2138	#if H_3D_INTER_SDC
2139	Void TEncSbac::codeInterSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
2140	{
2141	UInt uiSymbol = pcCU->getInterSDCFlag( uiAbsPartIdx ) ? 1 : 0;
2142	UInt uiCtxInterSDCFlag = pcCU->getCtxInterSDCFlag( uiAbsPartIdx );
2143
2144	m_pcBinIf->encodeBin( uiSymbol, m_cInterSDCFlagSCModel.get( 0, 0, uiCtxInterSDCFlag ) );
2145	}
2146
2147	Void TEncSbac::codeInterSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiSegment )
2148	{
2149	Pel segmentDCOffset = pcCU->getInterSDCSegmentDCOffset( uiSegment, uiAbsPartIdx );
2150
2151	UInt uiSign = segmentDCOffset < 0 ? 1 : 0;
2152	UInt uiAbsIdx = abs( segmentDCOffset );
2153
2154	assert( uiAbsIdx > 0 );
2155	uiAbsIdx--;
2156	xWriteExGolombLevel( uiAbsIdx, m_cInterSDCResidualSCModel.get( 0, 0, 0 ) );
2157	m_pcBinIf->encodeBin( uiSign, m_cInterSDCResidualSignFlagSCModel.get( 0, 0, 0 ) );
2158	}
2159	#endif
2160	//! \}

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