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TEncSbac.cpp @ 820

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Last change on this file since 820 was 820, checked in by rwth, 11 years ago
cleanup: removed some assertions and added some comments
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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	#if H_3D_DBBP
109	, m_cDBBPFlagSCModel ( 1, 1, DBBP_NUM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
110	#endif
111	{
112	assert( m_numContextModels <= MAX_NUM_CTX_MOD );
113	}
114
115	TEncSbac::~TEncSbac()
116	{
117	}
118
119	// ====================================================================================================================
120	// Public member functions
121	// ====================================================================================================================
122
123	Void TEncSbac::resetEntropy ()
124	{
125	Int iQp = m_pcSlice->getSliceQp();
126	SliceType eSliceType = m_pcSlice->getSliceType();
127
128	Int encCABACTableIdx = m_pcSlice->getPPS()->getEncCABACTableIdx();
129	if (!m_pcSlice->isIntra() && (encCABACTableIdx==B_SLICE \|\| encCABACTableIdx==P_SLICE) && m_pcSlice->getPPS()->getCabacInitPresentFlag())
130	{
131	eSliceType = (SliceType) encCABACTableIdx;
132	}
133
134	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
135
136	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
137	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
138	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
139	#if H_3D_ARP
140	m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW );
141	#endif
142	#if H_3D_IC
143	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
144	#endif
145	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
146	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
147	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
148	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
149	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
150	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
151	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
152	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
153	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
154	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
155	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
156	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
157	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
158	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
159	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
160	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
161	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
162	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
163	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
164	m_cSaoMergeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_FLAG );
165	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
166	m_cTransformSkipSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
167	m_CUTransquantBypassFlagSCModel.initBuffer( eSliceType, iQp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
168
169	#if H_3D_DIM
170	m_cDepthIntraModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DEPTH_INTRA_MODE );
171	m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG );
172	m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA );
173	#if H_3D_DIM_DMM
174	m_cDmm1DataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM1_DATA );
175	#endif
176	#if H_3D_DIM_SDC
177	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
178	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
179	#endif
180	#endif
181	#if H_3D_INTER_SDC
182	m_cInterSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_FLAG );
183	m_cInterSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_RESIDUAL );
184	m_cInterSDCResidualSignFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_SIGN_FLAG );
185	#endif
186	#if H_3D_DBBP
187	m_cDBBPFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DBBP_FLAG );
188	#endif
189	// new structure
190	m_uiLastQp = iQp;
191
192	m_pcBinIf->start();
193
194	return;
195	}
196
197	/** The function does the following:
198	* If current slice type is P/B then it determines the distance of initialisation type 1 and 2 from the current CABAC states and
199	* stores the index of the closest table. This index is used for the next P/B slice when cabac_init_present_flag is true.
200	*/
201	Void TEncSbac::determineCabacInitIdx()
202	{
203	Int qp = m_pcSlice->getSliceQp();
204
205	if (!m_pcSlice->isIntra())
206	{
207	SliceType aSliceTypeChoices[] = {B_SLICE, P_SLICE};
208
209	UInt bestCost = MAX_UINT;
210	SliceType bestSliceType = aSliceTypeChoices[0];
211	for (UInt idx=0; idx<2; idx++)
212	{
213	UInt curCost = 0;
214	SliceType curSliceType = aSliceTypeChoices[idx];
215
216	curCost = m_cCUSplitFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SPLIT_FLAG );
217	curCost += m_cCUSkipFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SKIP_FLAG );
218	curCost += m_cCUMergeFlagExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT);
219	curCost += m_cCUMergeIdxExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_IDX_EXT);
220	#if H_3D_ARP
221	curCost += m_cCUPUARPWSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ARPW );
222	#endif
223	#if H_3D_IC
224	curCost += m_cCUICFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_IC_FLAG );
225	#endif
226	#if H_3D_INTER_SDC
227	curCost += m_cInterSDCFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_SDC_FLAG );
228	curCost += m_cInterSDCResidualSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_SDC_RESIDUAL );
229	curCost += m_cInterSDCResidualSignFlagSCModel.calcCost( curSliceType, qp, (UChar*)INIT_INTER_SDC_SIGN_FLAG );
230	#endif
231	#if H_3D_DBBP
232	curCost += m_cDBBPFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DBBP_FLAG );
233	#endif
234	curCost += m_cCUPartSizeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PART_SIZE );
235	curCost += m_cCUAMPSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CU_AMP_POS );
236	curCost += m_cCUPredModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PRED_MODE );
237	curCost += m_cCUIntraPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTRA_PRED_MODE );
238	curCost += m_cCUChromaPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE );
239	curCost += m_cCUInterDirSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_DIR );
240	curCost += m_cCUMvdSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVD );
241	curCost += m_cCURefPicSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_REF_PIC );
242	curCost += m_cCUDeltaQpSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DQP );
243	curCost += m_cCUQtCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_CBF );
244	curCost += m_cCUQtRootCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_ROOT_CBF );
245	curCost += m_cCUSigCoeffGroupSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_CG_FLAG );
246	curCost += m_cCUSigSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_FLAG );
247	curCost += m_cCuCtxLastX.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
248	curCost += m_cCuCtxLastY.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
249	curCost += m_cCUOneSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ONE_FLAG );
250	curCost += m_cCUAbsSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ABS_FLAG );
251	curCost += m_cMVPIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVP_IDX );
252	curCost += m_cCUTransSubdivFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
253	curCost += m_cSaoMergeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_MERGE_FLAG );
254	curCost += m_cSaoTypeIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_TYPE_IDX );
255	curCost += m_cTransformSkipSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
256	curCost += m_CUTransquantBypassFlagSCModel.calcCost( curSliceType, qp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
257	#if H_3D_DIM
258	if( m_pcSlice->getVpsDepthModesFlag() )
259	{
260	curCost += m_cDepthIntraModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DEPTH_INTRA_MODE );
261	curCost += m_cDdcFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DDC_FLAG );
262	curCost += m_cDdcDataSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DDC_DATA );
263	#if H_3D_DIM_DMM
264	curCost += m_cDmm1DataSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DMM1_DATA );
265	#endif
266	}
267	#endif
268	if (curCost < bestCost)
269	{
270	bestSliceType = curSliceType;
271	bestCost = curCost;
272	}
273	}
274	m_pcSlice->getPPS()->setEncCABACTableIdx( bestSliceType );
275	}
276	else
277	{
278	m_pcSlice->getPPS()->setEncCABACTableIdx( I_SLICE );
279	}
280	}
281
282
283	/** The function does the followng: Write out terminate bit. Flush CABAC. Intialize CABAC states. Start CABAC.
284	*/
285	Void TEncSbac::updateContextTables( SliceType eSliceType, Int iQp, Bool bExecuteFinish )
286	{
287	m_pcBinIf->encodeBinTrm(1);
288	if (bExecuteFinish) m_pcBinIf->finish();
289	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
290
291	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
292	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
293	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
294	#if H_3D_ARP
295	m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW );
296	#endif
297	#if H_3D_IC
298	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
299	#endif
300	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
301	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
302	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
303	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
304	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
305	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
306	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
307	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
308	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
309	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
310	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
311	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
312	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
313	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
314	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
315	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
316	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
317	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
318	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
319	m_cSaoMergeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_FLAG );
320	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
321	m_cTransformSkipSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
322	m_CUTransquantBypassFlagSCModel.initBuffer( eSliceType, iQp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
323
324	#if H_3D_DIM
325	m_cDepthIntraModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DEPTH_INTRA_MODE );
326	m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG );
327	m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA );
328	#if H_3D_DIM_DMM
329	m_cDmm1DataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM1_DATA );
330	#endif
331	#if H_3D_DIM_SDC
332	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
333	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
334	#endif
335	#endif
336	#if H_3D_INTER_SDC
337	m_cInterSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_FLAG );
338	m_cInterSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_RESIDUAL );
339	m_cInterSDCResidualSignFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_SDC_SIGN_FLAG );
340	#endif
341	#if H_3D_DBBP
342	m_cDBBPFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DBBP_FLAG );
343	#endif
344	m_pcBinIf->start();
345	}
346
347	Void TEncSbac::codeVPS( TComVPS* pcVPS )
348	{
349	assert (0);
350	return;
351	}
352
353	#if H_3D
354	Void TEncSbac::codeSPS( TComSPS* pcSPS, Int viewIndex, Bool depthFlag )
355	#else
356	Void TEncSbac::codeSPS( TComSPS* pcSPS )
357	#endif
358	{
359	assert (0);
360	return;
361	}
362
363	Void TEncSbac::codePPS( TComPPS* pcPPS )
364	{
365	assert (0);
366	return;
367	}
368
369	Void TEncSbac::codeSliceHeader( TComSlice* pcSlice )
370	{
371	assert (0);
372	return;
373	}
374
375	Void TEncSbac::codeTilesWPPEntryPoint( TComSlice* pSlice )
376	{
377	assert (0);
378	return;
379	}
380
381	Void TEncSbac::codeTerminatingBit( UInt uilsLast )
382	{
383	m_pcBinIf->encodeBinTrm( uilsLast );
384	}
385
386	Void TEncSbac::codeSliceFinish()
387	{
388	m_pcBinIf->finish();
389	}
390
391	Void TEncSbac::xWriteUnarySymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset )
392	{
393	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[0] );
394
395	if( 0 == uiSymbol)
396	{
397	return;
398	}
399
400	while( uiSymbol-- )
401	{
402	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ iOffset ] );
403	}
404
405	return;
406	}
407
408	Void TEncSbac::xWriteUnaryMaxSymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol )
409	{
410	if (uiMaxSymbol == 0)
411	{
412	return;
413	}
414
415	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ 0 ] );
416
417	if ( uiSymbol == 0 )
418	{
419	return;
420	}
421
422	Bool bCodeLast = ( uiMaxSymbol > uiSymbol );
423
424	while( --uiSymbol )
425	{
426	m_pcBinIf->encodeBin( 1, pcSCModel[ iOffset ] );
427	}
428	if( bCodeLast )
429	{
430	m_pcBinIf->encodeBin( 0, pcSCModel[ iOffset ] );
431	}
432
433	return;
434	}
435
436	Void TEncSbac::xWriteEpExGolomb( UInt uiSymbol, UInt uiCount )
437	{
438	UInt bins = 0;
439	Int numBins = 0;
440
441	while( uiSymbol >= (UInt)(1<<uiCount) )
442	{
443	bins = 2 * bins + 1;
444	numBins++;
445	uiSymbol -= 1 << uiCount;
446	uiCount ++;
447	}
448	bins = 2 * bins + 0;
449	numBins++;
450
451	bins = (bins << uiCount) \| uiSymbol;
452	numBins += uiCount;
453
454	assert( numBins <= 32 );
455	m_pcBinIf->encodeBinsEP( bins, numBins );
456	}
457
458	/** Coding of coeff_abs_level_minus3
459	* \param uiSymbol value of coeff_abs_level_minus3
460	* \param ruiGoRiceParam reference to Rice parameter
461	* \returns Void
462	*/
463	Void TEncSbac::xWriteCoefRemainExGolomb ( UInt symbol, UInt &rParam )
464	{
465	Int codeNumber = (Int)symbol;
466	UInt length;
467	if (codeNumber < (COEF_REMAIN_BIN_REDUCTION << rParam))
468	{
469	length = codeNumber>>rParam;
470	m_pcBinIf->encodeBinsEP( (1<<(length+1))-2 , length+1);
471	m_pcBinIf->encodeBinsEP((codeNumber%(1<<rParam)),rParam);
472	}
473	else
474	{
475	length = rParam;
476	codeNumber = codeNumber - ( COEF_REMAIN_BIN_REDUCTION << rParam);
477	while (codeNumber >= (1<<length))
478	{
479	codeNumber -= (1<<(length++));
480	}
481	m_pcBinIf->encodeBinsEP((1<<(COEF_REMAIN_BIN_REDUCTION+length+1-rParam))-2,COEF_REMAIN_BIN_REDUCTION+length+1-rParam);
482	m_pcBinIf->encodeBinsEP(codeNumber,length);
483	}
484	}
485
486	#if H_3D_DIM
487	Void TEncSbac::xWriteExGolombLevel( UInt uiSymbol, ContextModel& rcSCModel )
488	{
489	if( uiSymbol )
490	{
491	m_pcBinIf->encodeBin( 1, rcSCModel );
492	UInt uiCount = 0;
493	Bool bNoExGo = (uiSymbol < 13);
494
495	while( --uiSymbol && ++uiCount < 13 )
496	{
497	m_pcBinIf->encodeBin( 1, rcSCModel );
498	}
499	if( bNoExGo )
500	{
501	m_pcBinIf->encodeBin( 0, rcSCModel );
502	}
503	else
504	{
505	xWriteEpExGolomb( uiSymbol, 0 );
506	}
507	}
508	else
509	{
510	m_pcBinIf->encodeBin( 0, rcSCModel );
511	}
512
513	return;
514	}
515
516	Void TEncSbac::xCodeDimDeltaDC( Pel valDeltaDC, UInt uiNumSeg )
517	{
518	xWriteExGolombLevel( UInt( abs( valDeltaDC ) - ( uiNumSeg > 1 ? 0 : 1 ) ), m_cDdcDataSCModel.get(0, 0, 0) );
519	if( valDeltaDC != 0 )
520	{
521	UInt uiSign = valDeltaDC > 0 ? 0 : 1;
522	m_pcBinIf->encodeBinEP( uiSign );
523	}
524	}
525
526	#if H_3D_DIM_DMM
527	Void TEncSbac::xCodeDmm1WedgeIdx( UInt uiTabIdx, Int iNumBit )
528	{
529	for ( Int i = 0; i < iNumBit; i++ )
530	{
531	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmm1DataSCModel.get(0, 0, 0) );
532	}
533	}
534
535	#endif
536
537	#if H_3D_DIM_SDC
538	Void TEncSbac::xCodeSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiSegment )
539	{
540	assert( pcCU->getSlice()->getIsDepth() );
541	assert( pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N );
542	assert( pcCU->getSDCFlag(uiAbsPartIdx) );
543	assert( uiSegment < 2 );
544
545	Pel segmentDCOffset = pcCU->getSDCSegmentDCOffset(uiSegment, uiAbsPartIdx);
546
547	UInt uiResidual = segmentDCOffset == 0 ? 0 : 1;
548	UInt uiSign = segmentDCOffset < 0 ? 1 : 0;
549	UInt uiAbsIdx = abs(segmentDCOffset);
550
551	#if H_3D_DIM_DLT
552	UInt uiMaxResidualBits = pcCU->getSlice()->getPPS()->getDLT()->getBitsPerDepthValue( pcCU->getSlice()->getLayerIdInVps() );
553	#else
554	UInt uiMaxResidualBits = g_bitDepthY;
555	#endif
556	assert( uiMaxResidualBits <= g_bitDepthY );
557
558	// residual flag
559	m_pcBinIf->encodeBin( uiResidual, m_cSDCResidualFlagSCModel.get( 0, 0, 0 ) );
560	#if H_MV_ENC_DEC_TRAC
561	DTRACE_CU("sdc_residual_flag[i]", uiResidual)
562	#endif
563
564	if (uiResidual)
565	{
566	// encode sign bit of residual
567	m_pcBinIf->encodeBinEP( uiSign );
568	#if H_MV_ENC_DEC_TRAC
569	DTRACE_CU("sdc_residual_sign_flag[i]", uiSign)
570	#endif
571	#if H_3D_DIM_DLT
572	UInt uiNumDepthValues = pcCU->getSlice()->getPPS()->getDLT()->getNumDepthValues( pcCU->getSlice()->getLayerIdInVps() );
573	#else
574	UInt uiNumDepthValues = ((1 << g_bitDepthY)-1);
575	#endif
576
577	assert(uiAbsIdx <= uiNumDepthValues);
578
579	// encode residual magnitude
580	uiAbsIdx -= 1;
581
582	#if H_MV_ENC_DEC_TRAC
583	DTRACE_CU("sdc_residual_abs_minus1[i]", uiAbsIdx)
584	#endif
585
586	// prefix part
587	if ( uiAbsIdx == 0 )
588	{
589	m_pcBinIf->encodeBin( 0, m_cSDCResidualSCModel.get(0, 0, 0) );
590	}
591	else
592	{
593	UInt l = uiAbsIdx;
594	UInt k = 0;
595	UInt uiPrefixThreshold = ((uiNumDepthValues * 3) >> 2);
596	while ( l > 0 && k < uiPrefixThreshold )
597	{
598	m_pcBinIf->encodeBin( 1, m_cSDCResidualSCModel.get(0, 0, 0) );
599	l--;
600	k++;
601	}
602	if ( uiAbsIdx < uiPrefixThreshold )
603	{
604	m_pcBinIf->encodeBin( 0, m_cSDCResidualSCModel.get(0, 0, 0) );
605	}
606	else
607	{ // suffix part
608	uiAbsIdx -= uiPrefixThreshold;
609	UInt uiSuffixLength = numBitsForValue(uiNumDepthValues - uiPrefixThreshold);
610	UInt uiBitInfo = 0;
611	for ( Int i = 0; i < uiSuffixLength; i++)
612	{
613	uiBitInfo = ( uiAbsIdx & ( 1 << i ) ) >> i;
614	m_pcBinIf->encodeBinEP( uiBitInfo);
615	}
616	}
617	}
618
619	}
620	}
621	#endif
622	#endif
623
624	// SBAC RD
625	Void TEncSbac::load ( TEncSbac* pSrc)
626	{
627	this->xCopyFrom(pSrc);
628	}
629
630	Void TEncSbac::loadIntraDirModeLuma( TEncSbac* pSrc)
631	{
632	m_pcBinIf->copyState( pSrc->m_pcBinIf );
633
634	this->m_cCUIntraPredSCModel .copyFrom( &pSrc->m_cCUIntraPredSCModel );
635	}
636	#if H_3D_DIM
637	Void TEncSbac::loadIntraDepthMode( TEncSbac* pSrc)
638	{
639	m_pcBinIf->copyState( pSrc->m_pcBinIf );
640
641	this->m_cDepthIntraModeSCModel .copyFrom( &pSrc->m_cDepthIntraModeSCModel );
642	this->m_cDdcFlagSCModel .copyFrom( &pSrc->m_cDdcFlagSCModel );
643	}
644	#endif
645
646	Void TEncSbac::store( TEncSbac* pDest)
647	{
648	pDest->xCopyFrom( this );
649	}
650
651
652	Void TEncSbac::xCopyFrom( TEncSbac* pSrc )
653	{
654	m_pcBinIf->copyState( pSrc->m_pcBinIf );
655
656	this->m_uiCoeffCost = pSrc->m_uiCoeffCost;
657	this->m_uiLastQp = pSrc->m_uiLastQp;
658
659	memcpy( m_contextModels, pSrc->m_contextModels, m_numContextModels * sizeof( ContextModel ) );
660	}
661
662	Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
663	{
664	Int iSymbol = pcCU->getMVPIdx(eRefList, uiAbsPartIdx);
665	Int iNum = AMVP_MAX_NUM_CANDS;
666
667	xWriteUnaryMaxSymbol(iSymbol, m_cMVPIdxSCModel.get(0), 1, iNum-1);
668	#if H_MV_ENC_DEC_TRAC
669	#if ENC_DEC_TRACE
670	if ( eRefList == REF_PIC_LIST_0 )
671	{
672	DTRACE_PU("mvp_l0_flag", iSymbol)
673	}
674	else
675	{
676	DTRACE_PU("mvp_l1_flag", iSymbol)
677	}
678	#endif
679	#endif
680	}
681
682	Void TEncSbac::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
683	{
684	PartSize eSize = pcCU->getPartitionSize( uiAbsPartIdx );
685	#if H_3D_QTLPC
686	TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS();
687	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
688	Bool bDepthMapDetect = (pcTexture != NULL);
689	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
690
691	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);
692
693	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && sps->getUseQTL() && sps->getUsePC() )
694	{
695	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
696	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
697	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
698	if (pcTextureCU->getDepth(uiCUIdx) == uiDepth && pcTextureCU->getPartitionSize( uiCUIdx ) != SIZE_NxN)
699	{
700	assert( eSize == SIZE_2Nx2N );
701	return;
702	}
703	}
704	#endif
705	if ( pcCU->isIntra( uiAbsPartIdx ) )
706	{
707	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
708	{
709	m_pcBinIf->encodeBin( eSize == SIZE_2Nx2N? 1 : 0, m_cCUPartSizeSCModel.get( 0, 0, 0 ) );
710	#if H_MV_ENC_DEC_TRAC
711	DTRACE_CU("part_mode", eSize == SIZE_2Nx2N? 1 : 0)
712	#endif
713	}
714	return;
715	}
716
717	#if H_MV_ENC_DEC_TRAC
718	DTRACE_CU("part_mode", eSize )
719	#endif
720	switch(eSize)
721	{
722	case SIZE_2Nx2N:
723	{
724	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
725	break;
726	}
727	case SIZE_2NxN:
728	case SIZE_2NxnU:
729	case SIZE_2NxnD:
730	{
731	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
732	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
733	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
734	{
735	if (eSize == SIZE_2NxN)
736	{
737	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
738	}
739	else
740	{
741	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
742	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
743	}
744	}
745	break;
746	}
747	case SIZE_Nx2N:
748	case SIZE_nLx2N:
749	case SIZE_nRx2N:
750	{
751	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
752	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
753	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
754	{
755	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 2) );
756	}
757	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
758	{
759	if (eSize == SIZE_Nx2N)
760	{
761	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
762	}
763	else
764	{
765	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
766	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
767	}
768	}
769	break;
770	}
771	case SIZE_NxN:
772	{
773	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
774	{
775	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
776	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
777	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 2) );
778	}
779	break;
780	}
781	default:
782	{
783	assert(0);
784	}
785	}
786	}
787
788	/** code prediction mode
789	* \param pcCU
790	* \param uiAbsPartIdx
791	* \returns Void
792	*/
793	Void TEncSbac::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
794	{
795	#if H_3D_DIM_SDC
796	if ( pcCU->getSlice()->isIntra() )
797	{
798	assert( pcCU->isIntra(uiAbsPartIdx) );
799	return;
800	}
801	#endif
802
803	// get context function is here
804	Int iPredMode = pcCU->getPredictionMode( uiAbsPartIdx );
805	m_pcBinIf->encodeBin( iPredMode == MODE_INTER ? 0 : 1, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
806	#if H_MV_ENC_DEC_TRAC
807	DTRACE_CU("pred_mode_flag", iPredMode == MODE_INTER ? 0 : 1);
808	#endif
809	}
810
811	Void TEncSbac::codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
812	{
813	UInt uiSymbol = pcCU->getCUTransquantBypass(uiAbsPartIdx);
814	m_pcBinIf->encodeBin( uiSymbol, m_CUTransquantBypassFlagSCModel.get( 0, 0, 0 ) );
815	#if H_MV_ENC_DEC_TRAC
816	DTRACE_CU("cu_transquant_bypass_flag", uiSymbol);
817	#endif
818	}
819
820	/** code skip flag
821	* \param pcCU
822	* \param uiAbsPartIdx
823	* \returns Void
824	*/
825	Void TEncSbac::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
826	{
827	// get context function is here
828	UInt uiSymbol = pcCU->isSkipped( uiAbsPartIdx ) ? 1 : 0;
829	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ) ;
830	m_pcBinIf->encodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
831	#if !H_MV_ENC_DEC_TRAC
832	DTRACE_CABAC_VL( g_nSymbolCounter++ );
833	DTRACE_CABAC_T( "\tSkipFlag" );
834	DTRACE_CABAC_T( "\tuiCtxSkip: ");
835	DTRACE_CABAC_V( uiCtxSkip );
836	DTRACE_CABAC_T( "\tuiSymbol: ");
837	DTRACE_CABAC_V( uiSymbol );
838	DTRACE_CABAC_T( "\n");
839	#else
840	DTRACE_CU("cu_skip_flag", uiSymbol);
841	#endif
842	}
843
844	/** code merge flag
845	* \param pcCU
846	* \param uiAbsPartIdx
847	* \returns Void
848	*/
849	Void TEncSbac::codeMergeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
850	{
851	const UInt uiSymbol = pcCU->getMergeFlag( uiAbsPartIdx ) ? 1 : 0;
852	m_pcBinIf->encodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
853
854	#if H_MV_ENC_DEC_TRAC
855	DTRACE_PU("merge_flag", uiSymbol);
856	#else
857	DTRACE_CABAC_VL( g_nSymbolCounter++ );
858	DTRACE_CABAC_T( "\tMergeFlag: " );
859	DTRACE_CABAC_V( uiSymbol );
860	DTRACE_CABAC_T( "\tAddress: " );
861	DTRACE_CABAC_V( pcCU->getAddr() );
862	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
863	DTRACE_CABAC_V( uiAbsPartIdx );
864	DTRACE_CABAC_T( "\n" );
865	#endif
866	}
867
868	/** code merge index
869	* \param pcCU
870	* \param uiAbsPartIdx
871	* \returns Void
872	*/
873	Void TEncSbac::codeMergeIndex( TComDataCU* pcCU, UInt uiAbsPartIdx )
874	{
875	UInt uiUnaryIdx = pcCU->getMergeIndex( uiAbsPartIdx );
876	UInt uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
877	if ( uiNumCand > 1 )
878	{
879	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
880	{
881	const UInt uiSymbol = ui == uiUnaryIdx ? 0 : 1;
882	if ( ui==0 )
883	{
884	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
885	}
886	else
887	{
888	m_pcBinIf->encodeBinEP( uiSymbol );
889	}
890	if( uiSymbol == 0 )
891	{
892	break;
893	}
894	}
895	#if H_MV_ENC_DEC_TRAC
896	DTRACE_PU("merge_idx", uiUnaryIdx);
897	#endif
898	}
899	#if !H_MV_ENC_DEC_TRAC
900	DTRACE_CABAC_VL( g_nSymbolCounter++ );
901	DTRACE_CABAC_T( "\tparseMergeIndex()" );
902	DTRACE_CABAC_T( "\tuiMRGIdx= " );
903	DTRACE_CABAC_V( pcCU->getMergeIndex( uiAbsPartIdx ) );
904	DTRACE_CABAC_T( "\n" );
905	#endif
906	}
907
908	#if H_3D_ARP
909	Void TEncSbac::codeARPW( TComDataCU* pcCU, UInt uiAbsPartIdx )
910	{
911	Int iW = (Int)pcCU->getARPW( uiAbsPartIdx );
912	Int iMaxW = pcCU->getSlice()->getARPStepNum() - 1;
913	assert( iMaxW > 0);
914
915	Int nOffset = pcCU->getCTXARPWFlag(uiAbsPartIdx);
916	Int nBinNum = iW + ( iW != iMaxW );
917	m_pcBinIf->encodeBin( iW ? 1 : 0 , m_cCUPUARPWSCModel.get( 0, 0, 0 + nOffset ) );
918	if( nBinNum > 1 )
919	{
920	m_pcBinIf->encodeBin( ( iW == iMaxW ) ? 1 : 0, m_cCUPUARPWSCModel.get( 0, 0, 3 ) );
921	}
922	#if H_MV_ENC_DEC_TRAC
923	DTRACE_CU("iv_res_pred_weight_idx", iW);
924	#endif
925	}
926	#endif
927
928	#if H_3D_IC
929	/** code Illumination Compensation flag
930	* \param pcCU
931	* \param uiAbsPartIdx
932	* \returns Void
933	*/
934	Void TEncSbac::codeICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
935	{
936	// get context function is here
937	UInt uiSymbol = pcCU->getICFlag( uiAbsPartIdx ) ? 1 : 0;
938	UInt uiCtxIC = pcCU->getCtxICFlag( uiAbsPartIdx ) ;
939	m_pcBinIf->encodeBin( uiSymbol, m_cCUICFlagSCModel.get( 0, 0, uiCtxIC ) );
940	#if !H_MV_ENC_DEC_TRAC
941	DTRACE_CABAC_VL( g_nSymbolCounter++ );
942	DTRACE_CABAC_T( "\tICFlag" );
943	DTRACE_CABAC_T( "\tuiCtxIC: ");
944	DTRACE_CABAC_V( uiCtxIC );
945	DTRACE_CABAC_T( "\tuiSymbol: ");
946	DTRACE_CABAC_V( uiSymbol );
947	DTRACE_CABAC_T( "\n");
948	#else
949	DTRACE_CU("ic_flag", uiSymbol );
950	#endif
951	}
952	#endif
953
954
955	Void TEncSbac::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
956	{
957	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
958	return;
959
960	UInt uiCtx = pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth );
961	UInt uiCurrSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0;
962
963	assert( uiCtx < 3 );
964	#if H_3D_QTLPC
965	Bool bCodeSplitFlag = true;
966
967	TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS();
968	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
969	Bool bDepthMapDetect = (pcTexture != NULL);
970	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
971
972	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);
973
974	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && sps->getUseQTL() && sps->getUsePC())
975	{
976	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
977	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
978	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
979	bCodeSplitFlag = (pcTextureCU->getDepth(uiCUIdx) > uiDepth);
980	}
981
982	if(!bCodeSplitFlag)
983	{
984	assert(uiCurrSplitFlag == 0);
985	return;
986	}
987	#endif
988	m_pcBinIf->encodeBin( uiCurrSplitFlag, m_cCUSplitFlagSCModel.get( 0, 0, uiCtx ) );
989	#if !H_MV_ENC_DEC_TRAC
990	DTRACE_CABAC_VL( g_nSymbolCounter++ )
991	DTRACE_CABAC_T( "\tSplitFlag\n" )
992	#else
993	DTRACE_CU("split_cu_flag", uiCurrSplitFlag );
994	#endif
995	return;
996	}
997
998	Void TEncSbac::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx )
999	{
1000	m_pcBinIf->encodeBin( uiSymbol, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiCtx ) );
1001	#if !H_MV_ENC_DEC_TRAC
1002	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1003	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
1004	DTRACE_CABAC_T( "\tsymbol=" )
1005	DTRACE_CABAC_V( uiSymbol )
1006	DTRACE_CABAC_T( "\tctx=" )
1007	DTRACE_CABAC_V( uiCtx )
1008	DTRACE_CABAC_T( "\n" )
1009	#endif
1010	}
1011
1012	Void TEncSbac::codeIntraDirLumaAng( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple)
1013	{
1014	UInt dir[4],j;
1015	Int preds[4][3] = {{-1, -1, -1},{-1, -1, -1},{-1, -1, -1},{-1, -1, -1}};
1016	Int predNum[4], predIdx[4] ={ -1,-1,-1,-1};
1017	PartSize mode = pcCU->getPartitionSize( absPartIdx );
1018	UInt partNum = isMultiple?(mode==SIZE_NxN?4:1):1;
1019	UInt partOffset = ( pcCU->getPic()->getNumPartInCU() >> ( pcCU->getDepth(absPartIdx) << 1 ) ) >> 2;
1020	for (j=0;j<partNum;j++)
1021	{
1022	dir[j] = pcCU->getLumaIntraDir( absPartIdx+partOffset*j );
1023	#if H_3D_DIM
1024	if( pcCU->getSlice()->getVpsDepthModesFlag() )
1025	{
1026	codeIntraDepth( pcCU, absPartIdx+partOffset*j );
1027	}
1028	if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1029	#if H_3D_DIM_SDC
1030	if( !pcCU->getSDCFlag( absPartIdx+partOffset*j ) )
1031	#endif
1032	{
1033	#endif
1034	predNum[j] = pcCU->getIntraDirLumaPredictor(absPartIdx+partOffset*j, preds[j]);
1035	for(UInt i = 0; i < predNum[j]; i++)
1036	{
1037	if(dir[j] == preds[j][i])
1038	{
1039	predIdx[j] = i;
1040	}
1041	}
1042	m_pcBinIf->encodeBin((predIdx[j] != -1)? 1 : 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1043	#if H_MV_ENC_DEC_TRAC
1044	DTRACE_CU("prev_intra_luma_pred_flag", (predIdx[j] != -1)? 1 : 0);
1045	#endif
1046	#if H_3D_DIM
1047	}
1048	#endif
1049
1050	}
1051	for (j=0;j<partNum;j++)
1052	{
1053	#if H_3D_DIM
1054	if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1055	#if H_3D_DIM_SDC
1056	if( !pcCU->getSDCFlag( absPartIdx+partOffset*j ) )
1057	#endif
1058	{
1059	#endif
1060	if(predIdx[j] != -1)
1061	{
1062	m_pcBinIf->encodeBinEP( predIdx[j] ? 1 : 0 );
1063	if (predIdx[j])
1064	{
1065	m_pcBinIf->encodeBinEP( predIdx[j]-1 );
1066	}
1067	#if H_MV_ENC_DEC_TRAC
1068	DTRACE_CU("mpm_idx", predIdx[j] );
1069	#endif
1070	}
1071	else
1072	{
1073	if (preds[j][0] > preds[j][1])
1074	{
1075	std::swap(preds[j][0], preds[j][1]);
1076	}
1077	if (preds[j][0] > preds[j][2])
1078	{
1079	std::swap(preds[j][0], preds[j][2]);
1080	}
1081	if (preds[j][1] > preds[j][2])
1082	{
1083	std::swap(preds[j][1], preds[j][2]);
1084	}
1085	for(Int i = (predNum[j] - 1); i >= 0; i--)
1086	{
1087	dir[j] = dir[j] > preds[j][i] ? dir[j] - 1 : dir[j];
1088	}
1089	m_pcBinIf->encodeBinsEP( dir[j], 5 );
1090	#if H_MV_ENC_DEC_TRAC
1091	DTRACE_CU("rem_intra_luma_pred_mode", dir[j] );
1092	#endif
1093	}
1094	#if H_3D_DIM
1095	}
1096	#endif
1097	}
1098	return;
1099	}
1100
1101	Void TEncSbac::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx )
1102	{
1103	UInt uiIntraDirChroma = pcCU->getChromaIntraDir( uiAbsPartIdx );
1104
1105	if( uiIntraDirChroma == DM_CHROMA_IDX )
1106	{
1107	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1108	#if H_MV_ENC_DEC_TRAC
1109	DTRACE_CU("intra_chroma_pred_mode", 0 );
1110	#endif
1111	}
1112	else
1113	{
1114	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1115	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1116
1117	for( Int i = 0; i < NUM_CHROMA_MODE - 1; i++ )
1118	{
1119	if( uiIntraDirChroma == uiAllowedChromaDir[i] )
1120	{
1121	uiIntraDirChroma = i;
1122	break;
1123	}
1124	}
1125	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1126
1127	m_pcBinIf->encodeBinsEP( uiIntraDirChroma, 2 );
1128	#if H_MV_ENC_DEC_TRAC
1129	DTRACE_CU("intra_chroma_pred_mode", uiIntraDirChroma );
1130	#endif
1131
1132	}
1133	return;
1134	}
1135
1136	#if H_3D_DIM
1137	Void TEncSbac::codeIntraDepth( TComDataCU* pcCU, UInt absPartIdx )
1138	{
1139	codeIntraDepthMode( pcCU, absPartIdx );
1140
1141	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
1142	UInt dimType = getDimType( dir );
1143
1144	switch( dimType )
1145	{
1146	#if H_3D_DIM_DMM
1147	case( DMM1_IDX ):
1148	{
1149	xCodeDmm1WedgeIdx( pcCU->getDmmWedgeTabIdx( dimType, absPartIdx ), g_dmm1TabIdxBits[pcCU->getIntraSizeIdx(absPartIdx)] );
1150	} break;
1151	case( DMM4_IDX ): break;
1152	#endif
1153	default: break;
1154	}
1155
1156	if( dimType < DIM_NUM_TYPE \|\| pcCU->getSDCFlag( absPartIdx ) )
1157	{
1158	UInt dimDeltaDC;
1159	Pel deltaDC;
1160	UInt uiNumSegments = ( dir == PLANAR_IDX ) ? 1 : 2;
1161	if( pcCU->getSDCFlag( absPartIdx ) )
1162	{
1163	if( uiNumSegments==1 )
1164	{
1165	dimDeltaDC = pcCU->getSDCSegmentDCOffset(0, absPartIdx) ? 1 : 0;
1166	}
1167	else
1168	{
1169	dimDeltaDC = ( pcCU->getSDCSegmentDCOffset(0, absPartIdx) \|\| pcCU->getSDCSegmentDCOffset(1, absPartIdx) ) ? 1 : 0;
1170	}
1171	}
1172	else
1173	{
1174	dimDeltaDC = isDimDeltaDC( dir );
1175	}
1176
1177	m_pcBinIf->encodeBin( dimDeltaDC, m_cDdcFlagSCModel.get(0, 0, uiNumSegments-1) );
1178
1179	if( dimDeltaDC )
1180	{
1181	for( UInt segment = 0; segment < uiNumSegments; segment++ )
1182	{
1183	deltaDC = pcCU->getSDCFlag( absPartIdx ) ? pcCU->getSDCSegmentDCOffset(segment, absPartIdx) : pcCU->getDimDeltaDC( dimType, segment, absPartIdx );
1184	xCodeDimDeltaDC( deltaDC, uiNumSegments );
1185	}
1186	}
1187	}
1188	}
1189
1190	Void TEncSbac::codeIntraDepthMode( TComDataCU* pcCU, UInt absPartIdx )
1191	{
1192	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}};
1193	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}};
1194	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
1195	UInt puIdx = (pcCU->getWidth(absPartIdx) == 64) ? 2 : ( (pcCU->getPartitionSize(absPartIdx) == SIZE_NxN && pcCU->getWidth(absPartIdx) == 8) ? 0 : 1 );
1196	UInt codeIdx = 0;
1197
1198	if( dir < NUM_INTRA_MODE )
1199	{
1200	codeIdx = 1;
1201	}
1202	if( isDimMode( dir ) )
1203	{
1204	switch( getDimType( dir ) )
1205	{
1206	case DMM1_IDX: codeIdx = 3; break;
1207	case DMM4_IDX: codeIdx = 4; break;
1208	default: break;
1209	}
1210	}
1211
1212	#if H_3D_DIM_SDC
1213	if( pcCU->getSDCFlag( absPartIdx ) )
1214	{
1215	switch( dir )
1216	{
1217	case PLANAR_IDX: codeIdx = 0; break;
1218	default: codeIdx = 2; break;
1219	}
1220	}
1221	#endif
1222	//mode coding
1223	for( UInt i = 0; i < codeWordLenTable[puIdx][codeIdx]; i++ )
1224	{
1225	UInt bit = codeWordTable[puIdx][codeIdx] & ( 1<<(codeWordLenTable[puIdx][codeIdx] - i - 1) );
1226	UInt ctxDepthMode = puIdx*3 + ( (i >= 2) ? 2 : i );
1227	m_pcBinIf->encodeBin( bit!=0 , m_cDepthIntraModeSCModel.get(0, 0, ctxDepthMode) );
1228	}
1229	}
1230	#endif
1231
1232
1233	Void TEncSbac::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
1234	{
1235	const UInt uiInterDir = pcCU->getInterDir( uiAbsPartIdx ) - 1;
1236	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1237	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1238	if (pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N \|\| pcCU->getHeight(uiAbsPartIdx) != 8 )
1239	{
1240	m_pcBinIf->encodeBin( uiInterDir == 2 ? 1 : 0, *( pCtx + uiCtx ) );
1241	}
1242	if (uiInterDir < 2)
1243	{
1244	m_pcBinIf->encodeBin( uiInterDir, *( pCtx + 4 ) );
1245	}
1246	#if H_MV_ENC_DEC_TRAC
1247	DTRACE_PU("inter_pred_idc", uiInterDir );
1248	#endif
1249
1250	return;
1251	}
1252
1253	Void TEncSbac::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1254	{
1255	{
1256	Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1257	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1258	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1259
1260	if( iRefFrame > 0 )
1261	{
1262	UInt uiRefNum = pcCU->getSlice()->getNumRefIdx( eRefList ) - 2;
1263	pCtx++;
1264	iRefFrame--;
1265	for( UInt ui = 0; ui < uiRefNum; ++ui )
1266	{
1267	const UInt uiSymbol = ui == iRefFrame ? 0 : 1;
1268	if( ui == 0 )
1269	{
1270	m_pcBinIf->encodeBin( uiSymbol, *pCtx );
1271	}
1272	else
1273	{
1274	m_pcBinIf->encodeBinEP( uiSymbol );
1275	}
1276	if( uiSymbol == 0 )
1277	{
1278	break;
1279	}
1280	}
1281	}
1282	#if H_MV_ENC_DEC_TRAC
1283	#if ENC_DEC_TRACE
1284	iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1285	if ( eRefList == REF_PIC_LIST_0 )
1286	{
1287	DTRACE_PU("ref_idx_l0", iRefFrame)
1288	}
1289	else
1290	{
1291	DTRACE_PU("ref_idx_l1", iRefFrame)
1292	}
1293	#endif
1294	#endif
1295	}
1296	return;
1297	}
1298
1299	Void TEncSbac::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1300	{
1301	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1302	{
1303	return;
1304	}
1305
1306	const TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList );
1307	const Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor();
1308	const Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer();
1309	ContextModel* pCtx = m_cCUMvdSCModel.get( 0 );
1310
1311	m_pcBinIf->encodeBin( iHor != 0 ? 1 : 0, *pCtx );
1312	m_pcBinIf->encodeBin( iVer != 0 ? 1 : 0, *pCtx );
1313
1314	const Bool bHorAbsGr0 = iHor != 0;
1315	const Bool bVerAbsGr0 = iVer != 0;
1316	const UInt uiHorAbs = 0 > iHor ? -iHor : iHor;
1317	const UInt uiVerAbs = 0 > iVer ? -iVer : iVer;
1318	pCtx++;
1319
1320	if( bHorAbsGr0 )
1321	{
1322	m_pcBinIf->encodeBin( uiHorAbs > 1 ? 1 : 0, *pCtx );
1323	}
1324
1325	if( bVerAbsGr0 )
1326	{
1327	m_pcBinIf->encodeBin( uiVerAbs > 1 ? 1 : 0, *pCtx );
1328	}
1329
1330	if( bHorAbsGr0 )
1331	{
1332	if( uiHorAbs > 1 )
1333	{
1334	xWriteEpExGolomb( uiHorAbs-2, 1 );
1335	}
1336
1337	m_pcBinIf->encodeBinEP( 0 > iHor ? 1 : 0 );
1338	}
1339
1340	if( bVerAbsGr0 )
1341	{
1342	if( uiVerAbs > 1 )
1343	{
1344	xWriteEpExGolomb( uiVerAbs-2, 1 );
1345	}
1346
1347	m_pcBinIf->encodeBinEP( 0 > iVer ? 1 : 0 );
1348	}
1349
1350	return;
1351	}
1352
1353	Void TEncSbac::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx )
1354	{
1355	Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
1356
1357	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY();
1358	iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
1359
1360	UInt uiAbsDQp = (UInt)((iDQp > 0)? iDQp : (-iDQp));
1361	UInt TUValue = min((Int)uiAbsDQp, CU_DQP_TU_CMAX);
1362	xWriteUnaryMaxSymbol( TUValue, &m_cCUDeltaQpSCModel.get( 0, 0, 0 ), 1, CU_DQP_TU_CMAX);
1363	if( uiAbsDQp >= CU_DQP_TU_CMAX )
1364	{
1365	xWriteEpExGolomb( uiAbsDQp - CU_DQP_TU_CMAX, CU_DQP_EG_k );
1366	}
1367
1368	if ( uiAbsDQp > 0)
1369	{
1370	UInt uiSign = (iDQp > 0 ? 0 : 1);
1371	m_pcBinIf->encodeBinEP(uiSign);
1372	}
1373
1374	return;
1375	}
1376
1377	Void TEncSbac::codeQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth )
1378	{
1379	UInt uiCbf = pcCU->getCbf ( uiAbsPartIdx, eType, uiTrDepth );
1380	UInt uiCtx = pcCU->getCtxQtCbf( eType, uiTrDepth );
1381	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) );
1382	#if !H_MV_ENC_DEC_TRAC
1383	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1384	DTRACE_CABAC_T( "\tparseQtCbf()" )
1385	DTRACE_CABAC_T( "\tsymbol=" )
1386	DTRACE_CABAC_V( uiCbf )
1387	DTRACE_CABAC_T( "\tctx=" )
1388	DTRACE_CABAC_V( uiCtx )
1389	DTRACE_CABAC_T( "\tetype=" )
1390	DTRACE_CABAC_V( eType )
1391	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1392	DTRACE_CABAC_V( uiAbsPartIdx )
1393	DTRACE_CABAC_T( "\n" )
1394	#endif
1395	}
1396
1397	void TEncSbac::codeTransformSkipFlags (TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, TextType eTType )
1398	{
1399	if (pcCU->getCUTransquantBypass(uiAbsPartIdx))
1400	{
1401	return;
1402	}
1403	if(width != 4 \|\| height != 4)
1404	{
1405	return;
1406	}
1407
1408	UInt useTransformSkip = pcCU->getTransformSkip( uiAbsPartIdx,eTType);
1409	m_pcBinIf->encodeBin( useTransformSkip, m_cTransformSkipSCModel.get( 0, eTType? TEXT_CHROMA: TEXT_LUMA, 0 ) );
1410	#if !H_MV_ENC_DEC_TRAC
1411	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1412	DTRACE_CABAC_T("\tparseTransformSkip()");
1413	DTRACE_CABAC_T( "\tsymbol=" )
1414	DTRACE_CABAC_V( useTransformSkip )
1415	DTRACE_CABAC_T( "\tAddr=" )
1416	DTRACE_CABAC_V( pcCU->getAddr() )
1417	DTRACE_CABAC_T( "\tetype=" )
1418	DTRACE_CABAC_V( eTType )
1419	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1420	DTRACE_CABAC_V( uiAbsPartIdx )
1421	DTRACE_CABAC_T( "\n" )
1422	#endif
1423	}
1424
1425	/** Code I_PCM information.
1426	* \param pcCU pointer to CU
1427	* \param uiAbsPartIdx CU index
1428	* \returns Void
1429	*/
1430	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
1431	{
1432	UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0;
1433
1434	Bool writePCMSampleFlag = pcCU->getIPCMFlag(uiAbsPartIdx);
1435
1436	m_pcBinIf->encodeBinTrm (uiIPCM);
1437	#if H_MV_ENC_DEC_TRAC
1438	DTRACE_CU("pcm_flag", uiIPCM)
1439	#endif
1440	if (writePCMSampleFlag)
1441	{
1442	m_pcBinIf->encodePCMAlignBits();
1443
1444	UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight();
1445	UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx;
1446	UInt uiChromaOffset = uiLumaOffset>>2;
1447	Pel* piPCMSample;
1448	UInt uiWidth;
1449	UInt uiHeight;
1450	UInt uiSampleBits;
1451	UInt uiX, uiY;
1452
1453	piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset;
1454	uiWidth = pcCU->getWidth(uiAbsPartIdx);
1455	uiHeight = pcCU->getHeight(uiAbsPartIdx);
1456	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma();
1457
1458	for(uiY = 0; uiY < uiHeight; uiY++)
1459	{
1460	for(uiX = 0; uiX < uiWidth; uiX++)
1461	{
1462	UInt uiSample = piPCMSample[uiX];
1463
1464	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1465	}
1466	piPCMSample += uiWidth;
1467	}
1468
1469	piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset;
1470	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1471	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1472	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1473
1474	for(uiY = 0; uiY < uiHeight; uiY++)
1475	{
1476	for(uiX = 0; uiX < uiWidth; uiX++)
1477	{
1478	UInt uiSample = piPCMSample[uiX];
1479
1480	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1481	}
1482	piPCMSample += uiWidth;
1483	}
1484
1485	piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset;
1486	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1487	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1488	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1489
1490	for(uiY = 0; uiY < uiHeight; uiY++)
1491	{
1492	for(uiX = 0; uiX < uiWidth; uiX++)
1493	{
1494	UInt uiSample = piPCMSample[uiX];
1495
1496	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1497	}
1498	piPCMSample += uiWidth;
1499	}
1500	m_pcBinIf->resetBac();
1501	}
1502	}
1503
1504	Void TEncSbac::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx )
1505	{
1506	UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx );
1507	UInt uiCtx = 0;
1508	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1509	#if !H_MV_ENC_DEC_TRAC
1510	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1511	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1512	DTRACE_CABAC_T( "\tsymbol=" )
1513	DTRACE_CABAC_V( uiCbf )
1514	DTRACE_CABAC_T( "\tctx=" )
1515	DTRACE_CABAC_V( uiCtx )
1516	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1517	DTRACE_CABAC_V( uiAbsPartIdx )
1518	DTRACE_CABAC_T( "\n" )
1519	#else
1520	DTRACE_CU( "rqt_root_cbf", uiCbf )
1521	#endif
1522	}
1523
1524	Void TEncSbac::codeQtCbfZero( TComDataCU* pcCU, TextType eType, UInt uiTrDepth )
1525	{
1526	// this function is only used to estimate the bits when cbf is 0
1527	// and will never be called when writing the bistream. do not need to write log
1528	UInt uiCbf = 0;
1529	UInt uiCtx = pcCU->getCtxQtCbf( eType, uiTrDepth );
1530	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) );
1531	}
1532
1533	Void TEncSbac::codeQtRootCbfZero( TComDataCU* pcCU )
1534	{
1535	// this function is only used to estimate the bits when cbf is 0
1536	// and will never be called when writing the bistream. do not need to write log
1537	UInt uiCbf = 0;
1538	UInt uiCtx = 0;
1539	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1540	}
1541
1542	/** Encode (X,Y) position of the last significant coefficient
1543	* \param uiPosX X component of last coefficient
1544	* \param uiPosY Y component of last coefficient
1545	* \param width Block width
1546	* \param height Block height
1547	* \param eTType plane type / luminance or chrominance
1548	* \param uiScanIdx scan type (zig-zag, hor, ver)
1549	* This method encodes the X and Y component within a block of the last significant coefficient.
1550	*/
1551	Void TEncSbac::codeLastSignificantXY( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx )
1552	{
1553	// swap
1554	if( uiScanIdx == SCAN_VER )
1555	{
1556	swap( uiPosX, uiPosY );
1557	}
1558
1559	UInt uiCtxLast;
1560	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
1561	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
1562	UInt uiGroupIdxX = g_uiGroupIdx[ uiPosX ];
1563	UInt uiGroupIdxY = g_uiGroupIdx[ uiPosY ];
1564
1565
1566	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
1567	blkSizeOffsetX = eTType ? 0: (g_aucConvertToBit[ width ] *3 + ((g_aucConvertToBit[ width ] +1)>>2));
1568	blkSizeOffsetY = eTType ? 0: (g_aucConvertToBit[ height ]*3 + ((g_aucConvertToBit[ height ]+1)>>2));
1569	shiftX= eTType ? g_aucConvertToBit[ width ] :((g_aucConvertToBit[ width ]+3)>>2);
1570	shiftY= eTType ? g_aucConvertToBit[ height ] :((g_aucConvertToBit[ height ]+3)>>2);
1571	// posX
1572	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxX; uiCtxLast++ )
1573	{
1574	m_pcBinIf->encodeBin( 1, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1575	}
1576	if( uiGroupIdxX < g_uiGroupIdx[ width - 1 ])
1577	{
1578	m_pcBinIf->encodeBin( 0, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1579	}
1580
1581	// posY
1582	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxY; uiCtxLast++ )
1583	{
1584	m_pcBinIf->encodeBin( 1, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1585	}
1586	if( uiGroupIdxY < g_uiGroupIdx[ height - 1 ])
1587	{
1588	m_pcBinIf->encodeBin( 0, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1589	}
1590	if ( uiGroupIdxX > 3 )
1591	{
1592	UInt uiCount = ( uiGroupIdxX - 2 ) >> 1;
1593	uiPosX = uiPosX - g_uiMinInGroup[ uiGroupIdxX ];
1594	for (Int i = uiCount - 1 ; i >= 0; i-- )
1595	{
1596	m_pcBinIf->encodeBinEP( ( uiPosX >> i ) & 1 );
1597	}
1598	}
1599	if ( uiGroupIdxY > 3 )
1600	{
1601	UInt uiCount = ( uiGroupIdxY - 2 ) >> 1;
1602	uiPosY = uiPosY - g_uiMinInGroup[ uiGroupIdxY ];
1603	for ( Int i = uiCount - 1 ; i >= 0; i-- )
1604	{
1605	m_pcBinIf->encodeBinEP( ( uiPosY >> i ) & 1 );
1606	}
1607	}
1608	}
1609
1610	Void TEncSbac::codeCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType )
1611	{
1612	#if !H_MV_ENC_DEC_TRAC
1613	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1614	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1615	DTRACE_CABAC_V( eTType )
1616	DTRACE_CABAC_T( "\twidth=" )
1617	DTRACE_CABAC_V( uiWidth )
1618	DTRACE_CABAC_T( "\theight=" )
1619	DTRACE_CABAC_V( uiHeight )
1620	DTRACE_CABAC_T( "\tdepth=" )
1621	DTRACE_CABAC_V( uiDepth )
1622	DTRACE_CABAC_T( "\tabspartidx=" )
1623	DTRACE_CABAC_V( uiAbsPartIdx )
1624	DTRACE_CABAC_T( "\ttoCU-X=" )
1625	DTRACE_CABAC_V( pcCU->getCUPelX() )
1626	DTRACE_CABAC_T( "\ttoCU-Y=" )
1627	DTRACE_CABAC_V( pcCU->getCUPelY() )
1628	DTRACE_CABAC_T( "\tCU-addr=" )
1629	DTRACE_CABAC_V( pcCU->getAddr() )
1630	DTRACE_CABAC_T( "\tinCU-X=" )
1631	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1632	DTRACE_CABAC_T( "\tinCU-Y=" )
1633	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1634	DTRACE_CABAC_T( "\tpredmode=" )
1635	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1636	DTRACE_CABAC_T( "\n" )
1637	#endif
1638	if( uiWidth > m_pcSlice->getSPS()->getMaxTrSize() )
1639	{
1640	uiWidth = m_pcSlice->getSPS()->getMaxTrSize();
1641	uiHeight = m_pcSlice->getSPS()->getMaxTrSize();
1642	}
1643
1644	UInt uiNumSig = 0;
1645
1646	// compute number of significant coefficients
1647	uiNumSig = TEncEntropy::countNonZeroCoeffs(pcCoef, uiWidth * uiHeight);
1648
1649	if ( uiNumSig == 0 )
1650	return;
1651	if(pcCU->getSlice()->getPPS()->getUseTransformSkip())
1652	{
1653	codeTransformSkipFlags( pcCU,uiAbsPartIdx, uiWidth, uiHeight, eTType );
1654	}
1655	eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA );
1656
1657	//----- encode significance map -----
1658	const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2;
1659	UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx));
1660	const UInt *scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize - 1 ];
1661
1662	Bool beValid;
1663	if (pcCU->getCUTransquantBypass(uiAbsPartIdx))
1664	{
1665	beValid = false;
1666	}
1667	else
1668	{
1669	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1670	}
1671
1672	// Find position of last coefficient
1673	Int scanPosLast = -1;
1674	Int posLast;
1675
1676	const UInt * scanCG;
1677	{
1678	scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ];
1679	if( uiLog2BlockSize == 3 )
1680	{
1681	scanCG = g_sigLastScan8x8[ uiScanIdx ];
1682	}
1683	else if( uiLog2BlockSize == 5 )
1684	{
1685	scanCG = g_sigLastScanCG32x32;
1686	}
1687	}
1688	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1689	static const UInt uiShift = MLS_CG_SIZE >> 1;
1690	const UInt uiNumBlkSide = uiWidth >> uiShift;
1691
1692	::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1693
1694	do
1695	{
1696	posLast = scan[ ++scanPosLast ];
1697
1698	// get L1 sig map
1699	UInt uiPosY = posLast >> uiLog2BlockSize;
1700	UInt uiPosX = posLast - ( uiPosY << uiLog2BlockSize );
1701	UInt uiBlkIdx = uiNumBlkSide * (uiPosY >> uiShift) + (uiPosX >> uiShift);
1702	if( pcCoef[ posLast ] )
1703	{
1704	uiSigCoeffGroupFlag[ uiBlkIdx ] = 1;
1705	}
1706
1707	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1708	}
1709	while ( uiNumSig > 0 );
1710
1711	// Code position of last coefficient
1712	Int posLastY = posLast >> uiLog2BlockSize;
1713	Int posLastX = posLast - ( posLastY << uiLog2BlockSize );
1714	codeLastSignificantXY(posLastX, posLastY, uiWidth, uiHeight, eTType, uiScanIdx);
1715
1716	//===== code significance flag =====
1717	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType );
1718	ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA;
1719
1720
1721	const Int iLastScanSet = scanPosLast >> LOG2_SCAN_SET_SIZE;
1722	UInt c1 = 1;
1723	UInt uiGoRiceParam = 0;
1724	Int iScanPosSig = scanPosLast;
1725
1726	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1727	{
1728	Int numNonZero = 0;
1729	Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE;
1730	uiGoRiceParam = 0;
1731	Int absCoeff[16];
1732	UInt coeffSigns = 0;
1733
1734	Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE;
1735
1736	if( iScanPosSig == scanPosLast )
1737	{
1738	absCoeff[ 0 ] = abs( pcCoef[ posLast ] );
1739	coeffSigns = ( pcCoef[ posLast ] < 0 );
1740	numNonZero = 1;
1741	lastNZPosInCG = iScanPosSig;
1742	firstNZPosInCG = iScanPosSig;
1743	iScanPosSig--;
1744	}
1745
1746	// encode significant_coeffgroup_flag
1747	Int iCGBlkPos = scanCG[ iSubSet ];
1748	Int iCGPosY = iCGBlkPos / uiNumBlkSide;
1749	Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide);
1750	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1751	{
1752	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1753	}
1754	else
1755	{
1756	UInt uiSigCoeffGroup = (uiSigCoeffGroupFlag[ iCGBlkPos ] != 0);
1757	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1758	m_pcBinIf->encodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1759	}
1760
1761	// encode significant_coeff_flag
1762	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1763	{
1764	Int patternSigCtx = TComTrQuant::calcPatternSigCtx( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1765	UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig;
1766	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1767	{
1768	uiBlkPos = scan[ iScanPosSig ];
1769	uiPosY = uiBlkPos >> uiLog2BlockSize;
1770	uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1771	uiSig = (pcCoef[ uiBlkPos ] != 0);
1772	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1773	{
1774	uiCtxSig = TComTrQuant::getSigCtxInc( patternSigCtx, uiScanIdx, uiPosX, uiPosY, uiLog2BlockSize, eTType );
1775	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1776	}
1777	if( uiSig )
1778	{
1779	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1780	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1781	numNonZero++;
1782	if( lastNZPosInCG == -1 )
1783	{
1784	lastNZPosInCG = iScanPosSig;
1785	}
1786	firstNZPosInCG = iScanPosSig;
1787	}
1788	}
1789	}
1790	else
1791	{
1792	iScanPosSig = iSubPos - 1;
1793	}
1794
1795	if( numNonZero > 0 )
1796	{
1797	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= SBH_THRESHOLD );
1798	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0;
1799
1800	if( c1 == 0 )
1801	{
1802	uiCtxSet++;
1803	}
1804	c1 = 1;
1805	ContextModel baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet;
1806
1807	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
1808	Int firstC2FlagIdx = -1;
1809	for( Int idx = 0; idx < numC1Flag; idx++ )
1810	{
1811	UInt uiSymbol = absCoeff[ idx ] > 1;
1812	m_pcBinIf->encodeBin( uiSymbol, baseCtxMod[c1] );
1813	if( uiSymbol )
1814	{
1815	c1 = 0;
1816
1817	if (firstC2FlagIdx == -1)
1818	{
1819	firstC2FlagIdx = idx;
1820	}
1821	}
1822	else if( (c1 < 3) && (c1 > 0) )
1823	{
1824	c1++;
1825	}
1826	}
1827
1828	if (c1 == 0)
1829	{
1830
1831	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet;
1832	if ( firstC2FlagIdx != -1)
1833	{
1834	UInt symbol = absCoeff[ firstC2FlagIdx ] > 2;
1835	m_pcBinIf->encodeBin( symbol, baseCtxMod[0] );
1836	}
1837	}
1838
1839	if( beValid && signHidden )
1840	{
1841	m_pcBinIf->encodeBinsEP( (coeffSigns >> 1), numNonZero-1 );
1842	}
1843	else
1844	{
1845	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
1846	}
1847
1848	Int iFirstCoeff2 = 1;
1849	if (c1 == 0 \|\| numNonZero > C1FLAG_NUMBER)
1850	{
1851	for ( Int idx = 0; idx < numNonZero; idx++ )
1852	{
1853	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1;
1854
1855	if( absCoeff[ idx ] >= baseLevel)
1856	{
1857	xWriteCoefRemainExGolomb( absCoeff[ idx ] - baseLevel, uiGoRiceParam );
1858	if(absCoeff[idx] > 3*(1<<uiGoRiceParam))
1859	{
1860	uiGoRiceParam = min<UInt>(uiGoRiceParam+ 1, 4);
1861	}
1862	}
1863	if(absCoeff[ idx ] >= 2)
1864	{
1865	iFirstCoeff2 = 0;
1866	}
1867	}
1868	}
1869	}
1870	}
1871
1872	return;
1873	}
1874
1875	/** code SAO offset sign
1876	* \param code sign value
1877	*/
1878	Void TEncSbac::codeSAOSign( UInt code )
1879	{
1880	m_pcBinIf->encodeBinEP( code );
1881	}
1882
1883	Void TEncSbac::codeSaoMaxUvlc ( UInt code, UInt maxSymbol )
1884	{
1885	if (maxSymbol == 0)
1886	{
1887	return;
1888	}
1889
1890	Int i;
1891	Bool bCodeLast = ( maxSymbol > code );
1892
1893	if ( code == 0 )
1894	{
1895	m_pcBinIf->encodeBinEP( 0 );
1896	}
1897	else
1898	{
1899	m_pcBinIf->encodeBinEP( 1 );
1900	for ( i=0; i<code-1; i++ )
1901	{
1902	m_pcBinIf->encodeBinEP( 1 );
1903	}
1904	if( bCodeLast )
1905	{
1906	m_pcBinIf->encodeBinEP( 0 );
1907	}
1908	}
1909	}
1910
1911
1912	/** Code SAO EO class or BO band position
1913	* \param uiLength
1914	* \param uiCode
1915	*/
1916	Void TEncSbac::codeSaoUflc ( UInt uiLength, UInt uiCode )
1917	{
1918	m_pcBinIf->encodeBinsEP ( uiCode, uiLength );
1919	}
1920	/** Code SAO merge flags
1921	* \param uiCode
1922	* \param uiCompIdx
1923	*/
1924	Void TEncSbac::codeSaoMerge ( UInt uiCode )
1925	{
1926	if (uiCode == 0)
1927	{
1928	m_pcBinIf->encodeBin(0, m_cSaoMergeSCModel.get( 0, 0, 0 ));
1929	}
1930	else
1931	{
1932	m_pcBinIf->encodeBin(1, m_cSaoMergeSCModel.get( 0, 0, 0 ));
1933	}
1934	}
1935	/** Code SAO type index
1936	* \param uiCode
1937	*/
1938	Void TEncSbac::codeSaoTypeIdx ( UInt uiCode)
1939	{
1940	if (uiCode == 0)
1941	{
1942	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
1943	}
1944	else
1945	{
1946	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
1947	m_pcBinIf->encodeBinEP( uiCode <= 4 ? 1 : 0 );
1948	}
1949	}
1950	/*!
1951	****************************************************************************
1952	* \brief
1953	* estimate bit cost for CBP, significant map and significant coefficients
1954	****************************************************************************
1955	*/
1956	Void TEncSbac::estBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
1957	{
1958	estCBFBit( pcEstBitsSbac );
1959
1960	estSignificantCoeffGroupMapBit( pcEstBitsSbac, eTType );
1961
1962	// encode significance map
1963	estSignificantMapBit( pcEstBitsSbac, width, height, eTType );
1964
1965	// encode significant coefficients
1966	estSignificantCoefficientsBit( pcEstBitsSbac, eTType );
1967	}
1968
1969	/*!
1970	****************************************************************************
1971	* \brief
1972	* estimate bit cost for each CBP bit
1973	****************************************************************************
1974	*/
1975	Void TEncSbac::estCBFBit( estBitsSbacStruct* pcEstBitsSbac )
1976	{
1977	ContextModel *pCtx = m_cCUQtCbfSCModel.get( 0 );
1978
1979	for( UInt uiCtxInc = 0; uiCtxInc < 3*NUM_QT_CBF_CTX; uiCtxInc++ )
1980	{
1981	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
1982	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
1983	}
1984
1985	pCtx = m_cCUQtRootCbfSCModel.get( 0 );
1986
1987	for( UInt uiCtxInc = 0; uiCtxInc < 4; uiCtxInc++ )
1988	{
1989	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
1990	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
1991	}
1992	}
1993
1994
1995	/*!
1996	****************************************************************************
1997	* \brief
1998	* estimate SAMBAC bit cost for significant coefficient group map
1999	****************************************************************************
2000	*/
2001	Void TEncSbac::estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, TextType eTType )
2002	{
2003	Int firstCtx = 0, numCtx = NUM_SIG_CG_FLAG_CTX;
2004
2005	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2006	{
2007	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2008	{
2009	pcEstBitsSbac->significantCoeffGroupBits[ ctxIdx ][ uiBin ] = m_cCUSigCoeffGroupSCModel.get( 0, eTType, ctxIdx ).getEntropyBits( uiBin );
2010	}
2011	}
2012	}
2013
2014
2015	/*!
2016	****************************************************************************
2017	* \brief
2018	* estimate SAMBAC bit cost for significant coefficient map
2019	****************************************************************************
2020	*/
2021	Void TEncSbac::estSignificantMapBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2022	{
2023	Int firstCtx = 1, numCtx = 8;
2024	if (max(width, height) >= 16)
2025	{
2026	firstCtx = (eTType == TEXT_LUMA) ? 21 : 12;
2027	numCtx = (eTType == TEXT_LUMA) ? 6 : 3;
2028	}
2029	else if (width == 8)
2030	{
2031	firstCtx = 9;
2032	numCtx = (eTType == TEXT_LUMA) ? 12 : 3;
2033	}
2034
2035	if (eTType == TEXT_LUMA )
2036	{
2037	for( UInt bin = 0; bin < 2; bin++ )
2038	{
2039	pcEstBitsSbac->significantBits[ 0 ][ bin ] = m_cCUSigSCModel.get( 0, 0, 0 ).getEntropyBits( bin );
2040	}
2041
2042	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2043	{
2044	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2045	{
2046	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, ctxIdx ).getEntropyBits( uiBin );
2047	}
2048	}
2049	}
2050	else
2051	{
2052	for( UInt bin = 0; bin < 2; bin++ )
2053	{
2054	pcEstBitsSbac->significantBits[ 0 ][ bin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + 0 ).getEntropyBits( bin );
2055	}
2056	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2057	{
2058	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2059	{
2060	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + ctxIdx ).getEntropyBits( uiBin );
2061	}
2062	}
2063	}
2064	Int iBitsX = 0, iBitsY = 0;
2065	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
2066
2067	blkSizeOffsetX = eTType ? 0: (g_aucConvertToBit[ width ] *3 + ((g_aucConvertToBit[ width ] +1)>>2));
2068	blkSizeOffsetY = eTType ? 0: (g_aucConvertToBit[ height ]*3 + ((g_aucConvertToBit[ height ]+1)>>2));
2069	shiftX = eTType ? g_aucConvertToBit[ width ] :((g_aucConvertToBit[ width ]+3)>>2);
2070	shiftY = eTType ? g_aucConvertToBit[ height ] :((g_aucConvertToBit[ height ]+3)>>2);
2071
2072	Int ctx;
2073	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
2074	for (ctx = 0; ctx < g_uiGroupIdx[ width - 1 ]; ctx++)
2075	{
2076	Int ctxOffset = blkSizeOffsetX + (ctx >>shiftX);
2077	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffset ].getEntropyBits( 0 );
2078	iBitsX += pCtxX[ ctxOffset ].getEntropyBits( 1 );
2079	}
2080	pcEstBitsSbac->lastXBits[ctx] = iBitsX;
2081	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
2082	for (ctx = 0; ctx < g_uiGroupIdx[ height - 1 ]; ctx++)
2083	{
2084	Int ctxOffset = blkSizeOffsetY + (ctx >>shiftY);
2085	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffset ].getEntropyBits( 0 );
2086	iBitsY += pCtxY[ ctxOffset ].getEntropyBits( 1 );
2087	}
2088	pcEstBitsSbac->lastYBits[ctx] = iBitsY;
2089	}
2090
2091	/*!
2092	****************************************************************************
2093	* \brief
2094	* estimate bit cost of significant coefficient
2095	****************************************************************************
2096	*/
2097	Void TEncSbac::estSignificantCoefficientsBit( estBitsSbacStruct* pcEstBitsSbac, TextType eTType )
2098	{
2099	if (eTType==TEXT_LUMA)
2100	{
2101	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0);
2102	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0);
2103
2104	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_LUMA; ctxIdx++)
2105	{
2106	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2107	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2108	}
2109
2110	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_LUMA; ctxIdx++)
2111	{
2112	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2113	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2114	}
2115	}
2116	else
2117	{
2118	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0) + NUM_ONE_FLAG_CTX_LUMA;
2119	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0) + NUM_ABS_FLAG_CTX_LUMA;
2120
2121	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_CHROMA; ctxIdx++)
2122	{
2123	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2124	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2125	}
2126
2127	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_CHROMA; ctxIdx++)
2128	{
2129	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2130	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2131	}
2132	}
2133	}
2134
2135	/**
2136	- Initialize our context information from the nominated source.
2137	.
2138	\param pSrc From where to copy context information.
2139	*/
2140	Void TEncSbac::xCopyContextsFrom( TEncSbac* pSrc )
2141	{
2142	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2143	}
2144
2145	Void TEncSbac::loadContexts ( TEncSbac* pScr)
2146	{
2147	this->xCopyContextsFrom(pScr);
2148	}
2149
2150	#if H_3D_INTER_SDC
2151	Void TEncSbac::codeInterSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
2152	{
2153	UInt uiSymbol = pcCU->getInterSDCFlag( uiAbsPartIdx ) ? 1 : 0;
2154	UInt uiCtxInterSDCFlag = pcCU->getCtxInterSDCFlag( uiAbsPartIdx );
2155
2156	m_pcBinIf->encodeBin( uiSymbol, m_cInterSDCFlagSCModel.get( 0, 0, uiCtxInterSDCFlag ) );
2157	}
2158
2159	Void TEncSbac::codeInterSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiSegment )
2160	{
2161	Pel segmentDCOffset = pcCU->getInterSDCSegmentDCOffset( uiSegment, uiAbsPartIdx );
2162
2163	UInt uiSign = segmentDCOffset < 0 ? 1 : 0;
2164	UInt uiAbsIdx = abs( segmentDCOffset );
2165
2166	assert( uiAbsIdx > 0 );
2167	uiAbsIdx--;
2168	xWriteExGolombLevel( uiAbsIdx, m_cInterSDCResidualSCModel.get( 0, 0, 0 ) );
2169	m_pcBinIf->encodeBin( uiSign, m_cInterSDCResidualSignFlagSCModel.get( 0, 0, 0 ) );
2170	}
2171	#endif
2172
2173	#if H_3D_DBBP
2174	Void TEncSbac::codeDBBPFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
2175	{
2176	PartSize ePartSize = pcCU->getPartitionSize( uiAbsPartIdx );
2177	AOF( ePartSize == RWTH_DBBP_PACK_MODE );
2178	AOF( pcCU->getSlice()->getVPS()->getUseDBBP(pcCU->getSlice()->getLayerIdInVps()) );
2179	AOF( !pcCU->getSlice()->getIsDepth() );
2180
2181	UInt uiSymbol = pcCU->getDBBPFlag( uiAbsPartIdx ) ? 1 : 0;
2182	m_pcBinIf->encodeBin( uiSymbol, m_cDBBPFlagSCModel.get( 0, 0, 0 ) );
2183	}
2184	#endif
2185
2186	//! \}

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source: 3DVCSoftware/branches/HTM-9.3-dev1-RWTH/source/Lib/TLibEncoder/TEncSbac.cpp @ 820

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