Context navigation

TEncSbac.cpp @ 1314

Visit:

Last change on this file since 1314 was 990, checked in by samsung-htm, 10 years ago
Integration of JCT3V-I0077: Removal of Partition Derivation for DBBP
Property svn:eol-style set to `native`
File size: 76.3 KB

Line
1	/* The copyright in this software is being made available under the BSD
2	* License, included below. This software may be subject to other third party
3	* and contributor rights, including patent rights, and no such rights are
4	* granted under this license.
5	*
6	* Copyright (c) 2010-2014, ITU/ISO/IEC
7	* All rights reserved.
8	*
9	* Redistribution and use in source and binary forms, with or without
10	* modification, are permitted provided that the following conditions are met:
11	*
12	* * Redistributions of source code must retain the above copyright notice,
13	* this list of conditions and the following disclaimer.
14	* * Redistributions in binary form must reproduce the above copyright notice,
15	* this list of conditions and the following disclaimer in the documentation
16	* and/or other materials provided with the distribution.
17	* * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
18	* be used to endorse or promote products derived from this software without
19	* specific prior written permission.
20	*
21	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
25	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31	* THE POSSIBILITY OF SUCH DAMAGE.
32	*/
33
34	/** \file TEncSbac.cpp
35	\brief SBAC encoder class
36	*/
37
38	#include "TEncTop.h"
39	#include "TEncSbac.h"
40
41	#include <map>
42	#include <algorithm>
43
44	//! \ingroup TLibEncoder
45	//! \{
46
47	// ====================================================================================================================
48	// Constructor / destructor / create / destroy
49	// ====================================================================================================================
50
51	TEncSbac::TEncSbac()
52	// new structure here
53	: m_pcBitIf ( NULL )
54	, m_pcSlice ( NULL )
55	, m_pcBinIf ( NULL )
56	, m_uiCoeffCost ( 0 )
57	, m_numContextModels ( 0 )
58	, m_cCUSplitFlagSCModel ( 1, 1, NUM_SPLIT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels )
59	, m_cCUSkipFlagSCModel ( 1, 1, NUM_SKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
60	, m_cCUMergeFlagExtSCModel ( 1, 1, NUM_MERGE_FLAG_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
61	, m_cCUMergeIdxExtSCModel ( 1, 1, NUM_MERGE_IDX_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
62	#if H_3D_ARP
63	, m_cCUPUARPWSCModel ( 1, 1, NUM_ARPW_CTX , m_contextModels + m_numContextModels, m_numContextModels)
64	#endif
65	#if H_3D_IC
66	, m_cCUICFlagSCModel ( 1, 1, NUM_IC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
67	#endif
68	, m_cCUPartSizeSCModel ( 1, 1, NUM_PART_SIZE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
69	, m_cCUPredModeSCModel ( 1, 1, NUM_PRED_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
70	, m_cCUIntraPredSCModel ( 1, 1, NUM_ADI_CTX , m_contextModels + m_numContextModels, m_numContextModels)
71	, m_cCUChromaPredSCModel ( 1, 1, NUM_CHROMA_PRED_CTX , m_contextModels + m_numContextModels, m_numContextModels)
72	, m_cCUDeltaQpSCModel ( 1, 1, NUM_DELTA_QP_CTX , m_contextModels + m_numContextModels, m_numContextModels)
73	, m_cCUInterDirSCModel ( 1, 1, NUM_INTER_DIR_CTX , m_contextModels + m_numContextModels, m_numContextModels)
74	, m_cCURefPicSCModel ( 1, 1, NUM_REF_NO_CTX , m_contextModels + m_numContextModels, m_numContextModels)
75	, m_cCUMvdSCModel ( 1, 1, NUM_MV_RES_CTX , m_contextModels + m_numContextModels, m_numContextModels)
76	, m_cCUQtCbfSCModel ( 1, 2, NUM_QT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels)
77	, m_cCUTransSubdivFlagSCModel ( 1, 1, NUM_TRANS_SUBDIV_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
78	, m_cCUQtRootCbfSCModel ( 1, 1, NUM_QT_ROOT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels)
79	, m_cCUSigCoeffGroupSCModel ( 1, 2, NUM_SIG_CG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
80	, m_cCUSigSCModel ( 1, 1, NUM_SIG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
81	, m_cCuCtxLastX ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
82	, m_cCuCtxLastY ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
83	, m_cCUOneSCModel ( 1, 1, NUM_ONE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
84	, m_cCUAbsSCModel ( 1, 1, NUM_ABS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
85	, m_cMVPIdxSCModel ( 1, 1, NUM_MVP_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
86	, m_cSaoMergeSCModel ( 1, 1, NUM_SAO_MERGE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
87	, m_cSaoTypeIdxSCModel ( 1, 1, NUM_SAO_TYPE_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
88	, m_cTransformSkipSCModel ( 1, 2, NUM_TRANSFORMSKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
89	, m_CUTransquantBypassFlagSCModel( 1, 1, NUM_CU_TRANSQUANT_BYPASS_FLAG_CTX, m_contextModels + m_numContextModels, m_numContextModels)
90	#if H_3D_DIM
91	, m_cDepthIntraModeSCModel ( 1, 1, NUM_DEPTH_INTRA_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
92	, m_cDdcFlagSCModel ( 1, 1, NUM_DDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
93	, m_cDdcDataSCModel ( 1, 1, NUM_DDC_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
94	, m_cAngleFlagSCModel ( 1, 1, NUM_ANGLE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
95	#if H_3D_DIM_SDC
96	, m_cSDCResidualFlagSCModel ( 1, 1, SDC_NUM_RESIDUAL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
97	, m_cSDCResidualSCModel ( 1, 1, SDC_NUM_RESIDUAL_CTX , m_contextModels + m_numContextModels, m_numContextModels)
98	#endif
99	#endif
100	#if H_3D_DIM_SDC
101	, m_cSDCFlagSCModel ( 1, 1, NUM_SDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
102	#endif
103	#if H_3D_DBBP
104	, m_cDBBPFlagSCModel ( 1, 1, DBBP_NUM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
105	#endif
106	{
107	assert( m_numContextModels <= MAX_NUM_CTX_MOD );
108	}
109
110	TEncSbac::~TEncSbac()
111	{
112	}
113
114	// ====================================================================================================================
115	// Public member functions
116	// ====================================================================================================================
117
118	Void TEncSbac::resetEntropy ()
119	{
120	Int iQp = m_pcSlice->getSliceQp();
121	SliceType eSliceType = m_pcSlice->getSliceType();
122
123	Int encCABACTableIdx = m_pcSlice->getPPS()->getEncCABACTableIdx();
124	if (!m_pcSlice->isIntra() && (encCABACTableIdx==B_SLICE \|\| encCABACTableIdx==P_SLICE) && m_pcSlice->getPPS()->getCabacInitPresentFlag())
125	{
126	eSliceType = (SliceType) encCABACTableIdx;
127	}
128
129	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
130
131	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
132	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
133	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
134	#if H_3D_ARP
135	m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW );
136	#endif
137	#if H_3D_IC
138	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
139	#endif
140	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
141	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
142	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
143	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
144	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
145	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
146	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
147	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
148	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
149	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
150	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
151	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
152	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
153	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
154	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
155	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
156	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
157	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
158	m_cSaoMergeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_FLAG );
159	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
160	m_cTransformSkipSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
161	m_CUTransquantBypassFlagSCModel.initBuffer( eSliceType, iQp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
162
163	#if H_3D_DIM
164	m_cDepthIntraModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DEPTH_INTRA_MODE );
165	m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG );
166	m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA );
167	m_cAngleFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ANGLE_FLAG );
168	#if H_3D_DIM_SDC
169	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
170	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
171	#endif
172	#endif
173	#if H_3D_DIM_SDC
174	m_cSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_FLAG );
175	#endif
176	#if H_3D_DBBP
177	m_cDBBPFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DBBP_FLAG );
178	#endif
179	// new structure
180	m_uiLastQp = iQp;
181
182	m_pcBinIf->start();
183
184	return;
185	}
186
187	/** The function does the following:
188	* If current slice type is P/B then it determines the distance of initialisation type 1 and 2 from the current CABAC states and
189	* stores the index of the closest table. This index is used for the next P/B slice when cabac_init_present_flag is true.
190	*/
191	Void TEncSbac::determineCabacInitIdx()
192	{
193	Int qp = m_pcSlice->getSliceQp();
194
195	if (!m_pcSlice->isIntra())
196	{
197	SliceType aSliceTypeChoices[] = {B_SLICE, P_SLICE};
198
199	UInt bestCost = MAX_UINT;
200	SliceType bestSliceType = aSliceTypeChoices[0];
201	for (UInt idx=0; idx<2; idx++)
202	{
203	UInt curCost = 0;
204	SliceType curSliceType = aSliceTypeChoices[idx];
205
206	curCost = m_cCUSplitFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SPLIT_FLAG );
207	curCost += m_cCUSkipFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SKIP_FLAG );
208	curCost += m_cCUMergeFlagExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT);
209	curCost += m_cCUMergeIdxExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_IDX_EXT);
210	#if H_3D_ARP
211	curCost += m_cCUPUARPWSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ARPW );
212	#endif
213	#if H_3D_IC
214	curCost += m_cCUICFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_IC_FLAG );
215	#endif
216	#if H_3D_DIM_SDC
217	curCost += m_cSDCFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SDC_FLAG );
218	#endif
219	#if H_3D_DBBP
220	curCost += m_cDBBPFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DBBP_FLAG );
221	#endif
222	curCost += m_cCUPartSizeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PART_SIZE );
223	curCost += m_cCUPredModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PRED_MODE );
224	curCost += m_cCUIntraPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTRA_PRED_MODE );
225	curCost += m_cCUChromaPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE );
226	curCost += m_cCUInterDirSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_DIR );
227	curCost += m_cCUMvdSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVD );
228	curCost += m_cCURefPicSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_REF_PIC );
229	curCost += m_cCUDeltaQpSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DQP );
230	curCost += m_cCUQtCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_CBF );
231	curCost += m_cCUQtRootCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_ROOT_CBF );
232	curCost += m_cCUSigCoeffGroupSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_CG_FLAG );
233	curCost += m_cCUSigSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_FLAG );
234	curCost += m_cCuCtxLastX.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
235	curCost += m_cCuCtxLastY.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
236	curCost += m_cCUOneSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ONE_FLAG );
237	curCost += m_cCUAbsSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ABS_FLAG );
238	curCost += m_cMVPIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVP_IDX );
239	curCost += m_cCUTransSubdivFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
240	curCost += m_cSaoMergeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_MERGE_FLAG );
241	curCost += m_cSaoTypeIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_TYPE_IDX );
242	curCost += m_cTransformSkipSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
243	curCost += m_CUTransquantBypassFlagSCModel.calcCost( curSliceType, qp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
244	#if H_3D_DIM
245	if( m_pcSlice->getVpsDepthModesFlag() )
246	{
247	curCost += m_cDepthIntraModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DEPTH_INTRA_MODE );
248	curCost += m_cDdcFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DDC_FLAG );
249	curCost += m_cDdcDataSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DDC_DATA );
250	curCost += m_cAngleFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ANGLE_FLAG );
251	}
252	#endif
253	if (curCost < bestCost)
254	{
255	bestSliceType = curSliceType;
256	bestCost = curCost;
257	}
258	}
259	m_pcSlice->getPPS()->setEncCABACTableIdx( bestSliceType );
260	}
261	else
262	{
263	m_pcSlice->getPPS()->setEncCABACTableIdx( I_SLICE );
264	}
265	}
266
267
268	/** The function does the followng: Write out terminate bit. Flush CABAC. Intialize CABAC states. Start CABAC.
269	*/
270	Void TEncSbac::updateContextTables( SliceType eSliceType, Int iQp, Bool bExecuteFinish )
271	{
272	m_pcBinIf->encodeBinTrm(1);
273	if (bExecuteFinish) m_pcBinIf->finish();
274	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
275
276	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
277	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
278	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
279	#if H_3D_ARP
280	m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW );
281	#endif
282	#if H_3D_IC
283	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
284	#endif
285	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
286	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
287	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
288	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
289	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
290	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
291	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
292	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
293	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
294	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
295	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
296	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
297	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
298	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
299	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
300	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
301	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
302	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
303	m_cSaoMergeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_FLAG );
304	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
305	m_cTransformSkipSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
306	m_CUTransquantBypassFlagSCModel.initBuffer( eSliceType, iQp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
307	#if H_3D_DIM
308	m_cDepthIntraModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DEPTH_INTRA_MODE );
309	m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG );
310	m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA );
311	m_cAngleFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ANGLE_FLAG );
312	#if H_3D_DIM_SDC
313	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
314	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
315	#endif
316	#endif
317	#if H_3D_DIM_SDC
318	m_cSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_FLAG );
319	#endif
320	#if H_3D_DBBP
321	m_cDBBPFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DBBP_FLAG );
322	#endif
323	m_pcBinIf->start();
324	}
325
326	Void TEncSbac::codeVPS( TComVPS* pcVPS )
327	{
328	assert (0);
329	return;
330	}
331
332	#if H_3D
333	Void TEncSbac::codeSPS( TComSPS* pcSPS, Int viewIndex, Bool depthFlag )
334	#else
335	Void TEncSbac::codeSPS( TComSPS* pcSPS )
336	#endif
337	{
338	assert (0);
339	return;
340	}
341
342	Void TEncSbac::codePPS( TComPPS* pcPPS )
343	{
344	assert (0);
345	return;
346	}
347
348	Void TEncSbac::codeSliceHeader( TComSlice* pcSlice )
349	{
350	assert (0);
351	return;
352	}
353
354	Void TEncSbac::codeTilesWPPEntryPoint( TComSlice* pSlice )
355	{
356	assert (0);
357	return;
358	}
359
360	Void TEncSbac::codeTerminatingBit( UInt uilsLast )
361	{
362	m_pcBinIf->encodeBinTrm( uilsLast );
363	}
364
365	Void TEncSbac::codeSliceFinish()
366	{
367	m_pcBinIf->finish();
368	}
369
370	Void TEncSbac::xWriteUnarySymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset )
371	{
372	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[0] );
373
374	if( 0 == uiSymbol)
375	{
376	return;
377	}
378
379	while( uiSymbol-- )
380	{
381	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ iOffset ] );
382	}
383
384	return;
385	}
386
387	Void TEncSbac::xWriteUnaryMaxSymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol )
388	{
389	if (uiMaxSymbol == 0)
390	{
391	return;
392	}
393
394	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ 0 ] );
395
396	if ( uiSymbol == 0 )
397	{
398	return;
399	}
400
401	Bool bCodeLast = ( uiMaxSymbol > uiSymbol );
402
403	while( --uiSymbol )
404	{
405	m_pcBinIf->encodeBin( 1, pcSCModel[ iOffset ] );
406	}
407	if( bCodeLast )
408	{
409	m_pcBinIf->encodeBin( 0, pcSCModel[ iOffset ] );
410	}
411
412	return;
413	}
414
415	Void TEncSbac::xWriteEpExGolomb( UInt uiSymbol, UInt uiCount )
416	{
417	UInt bins = 0;
418	Int numBins = 0;
419
420	while( uiSymbol >= (UInt)(1<<uiCount) )
421	{
422	bins = 2 * bins + 1;
423	numBins++;
424	uiSymbol -= 1 << uiCount;
425	uiCount ++;
426	}
427	bins = 2 * bins + 0;
428	numBins++;
429
430	bins = (bins << uiCount) \| uiSymbol;
431	numBins += uiCount;
432
433	assert( numBins <= 32 );
434	m_pcBinIf->encodeBinsEP( bins, numBins );
435	}
436
437	/** Coding of coeff_abs_level_minus3
438	* \param uiSymbol value of coeff_abs_level_minus3
439	* \param ruiGoRiceParam reference to Rice parameter
440	* \returns Void
441	*/
442	Void TEncSbac::xWriteCoefRemainExGolomb ( UInt symbol, UInt &rParam )
443	{
444	Int codeNumber = (Int)symbol;
445	UInt length;
446	if (codeNumber < (COEF_REMAIN_BIN_REDUCTION << rParam))
447	{
448	length = codeNumber>>rParam;
449	m_pcBinIf->encodeBinsEP( (1<<(length+1))-2 , length+1);
450	m_pcBinIf->encodeBinsEP((codeNumber%(1<<rParam)),rParam);
451	}
452	else
453	{
454	length = rParam;
455	codeNumber = codeNumber - ( COEF_REMAIN_BIN_REDUCTION << rParam);
456	while (codeNumber >= (1<<length))
457	{
458	codeNumber -= (1<<(length++));
459	}
460	m_pcBinIf->encodeBinsEP((1<<(COEF_REMAIN_BIN_REDUCTION+length+1-rParam))-2,COEF_REMAIN_BIN_REDUCTION+length+1-rParam);
461	m_pcBinIf->encodeBinsEP(codeNumber,length);
462	}
463	}
464
465	#if H_3D_DIM
466	Void TEncSbac::xWriteExGolombLevel( UInt uiSymbol, ContextModel& rcSCModel )
467	{
468	if( uiSymbol )
469	{
470	m_pcBinIf->encodeBin( 1, rcSCModel );
471	UInt uiCount = 0;
472	Bool bNoExGo = ( uiSymbol < 3 );
473
474	while( --uiSymbol && ++uiCount < 3 )
475	{
476	m_pcBinIf->encodeBin( 1, rcSCModel );
477	}
478	if( bNoExGo )
479	{
480	m_pcBinIf->encodeBin( 0, rcSCModel );
481	}
482	else
483	{
484	xWriteEpExGolomb( uiSymbol, 0 );
485	}
486	}
487	else
488	{
489	m_pcBinIf->encodeBin( 0, rcSCModel );
490	}
491
492	return;
493	}
494
495	Void TEncSbac::xCodeDimDeltaDC( Pel valDeltaDC, UInt uiNumSeg )
496	{
497	xWriteExGolombLevel( UInt( abs( valDeltaDC ) - ( uiNumSeg > 1 ? 0 : 1 ) ), m_cDdcDataSCModel.get(0, 0, 0) );
498	if( valDeltaDC != 0 )
499	{
500	UInt uiSign = valDeltaDC > 0 ? 0 : 1;
501	m_pcBinIf->encodeBinEP( uiSign );
502	}
503	}
504
505	#if H_3D_DIM_DMM
506	Void TEncSbac::xCodeDmm1WedgeIdx( UInt uiTabIdx, Int iNumBit )
507	{
508	for ( Int i = 0; i < iNumBit; i++ )
509	{
510	m_pcBinIf->encodeBinEP( ( uiTabIdx >> i ) & 1 );
511	}
512	}
513
514	#endif
515
516	#if H_3D_DIM_SDC
517	Void TEncSbac::xCodeSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiSegment )
518	{
519	assert( pcCU->getSlice()->getIsDepth() );
520	assert( pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N );
521	assert( pcCU->getSDCFlag(uiAbsPartIdx) );
522	assert( uiSegment < 2 );
523
524	Pel segmentDCOffset = pcCU->getSDCSegmentDCOffset(uiSegment, uiAbsPartIdx);
525
526	UInt uiResidual = segmentDCOffset == 0 ? 0 : 1;
527	UInt uiSign = segmentDCOffset < 0 ? 1 : 0;
528	UInt uiAbsIdx = abs(segmentDCOffset);
529
530	#if H_3D_DIM_DLT
531	UInt uiMaxResidualBits = pcCU->getSlice()->getPPS()->getDLT()->getBitsPerDepthValue( pcCU->getSlice()->getLayerIdInVps() );
532	#else
533	UInt uiMaxResidualBits = g_bitDepthY;
534	#endif
535	assert( uiMaxResidualBits <= g_bitDepthY );
536
537	// residual flag
538	m_pcBinIf->encodeBin( uiResidual, m_cSDCResidualFlagSCModel.get( 0, 0, 0 ) );
539	#if H_MV_ENC_DEC_TRAC
540	DTRACE_CU("sdc_residual_flag[i]", uiResidual)
541	#endif
542
543	if (uiResidual)
544	{
545	// encode sign bit of residual
546	m_pcBinIf->encodeBinEP( uiSign );
547	#if H_MV_ENC_DEC_TRAC
548	DTRACE_CU("sdc_residual_sign_flag[i]", uiSign)
549	#endif
550	#if H_3D_DIM_DLT
551	UInt uiNumDepthValues = pcCU->getSlice()->getPPS()->getDLT()->getNumDepthValues( pcCU->getSlice()->getLayerIdInVps() );
552	#else
553	UInt uiNumDepthValues = ((1 << g_bitDepthY)-1);
554	#endif
555
556	assert(uiAbsIdx <= uiNumDepthValues);
557
558	// encode residual magnitude
559	uiAbsIdx -= 1;
560
561	#if H_MV_ENC_DEC_TRAC
562	DTRACE_CU("sdc_residual_abs_minus1[i]", uiAbsIdx)
563	#endif
564
565	// prefix part
566	if ( uiAbsIdx == 0 )
567	{
568	m_pcBinIf->encodeBin( 0, m_cSDCResidualSCModel.get(0, 0, 0) );
569	}
570	else
571	{
572	UInt l = uiAbsIdx;
573	UInt k = 0;
574	UInt uiPrefixThreshold = ((uiNumDepthValues * 3) >> 2);
575	while ( l > 0 && k < uiPrefixThreshold )
576	{
577	m_pcBinIf->encodeBin( 1, m_cSDCResidualSCModel.get(0, 0, 0) );
578	l--;
579	k++;
580	}
581	if ( uiAbsIdx < uiPrefixThreshold )
582	{
583	m_pcBinIf->encodeBin( 0, m_cSDCResidualSCModel.get(0, 0, 0) );
584	}
585	else
586	{ // suffix part
587	uiAbsIdx -= uiPrefixThreshold;
588	UInt uiSuffixLength = numBitsForValue(uiNumDepthValues - uiPrefixThreshold);
589	UInt uiBitInfo = 0;
590	for ( Int i = 0; i < uiSuffixLength; i++)
591	{
592	uiBitInfo = ( uiAbsIdx & ( 1 << i ) ) >> i;
593	m_pcBinIf->encodeBinEP( uiBitInfo);
594	}
595	}
596	}
597
598	}
599	}
600	#endif
601	#endif
602
603	// SBAC RD
604	Void TEncSbac::load ( TEncSbac* pSrc)
605	{
606	this->xCopyFrom(pSrc);
607	}
608
609	Void TEncSbac::loadIntraDirModeLuma( TEncSbac* pSrc)
610	{
611	m_pcBinIf->copyState( pSrc->m_pcBinIf );
612
613	this->m_cCUIntraPredSCModel .copyFrom( &pSrc->m_cCUIntraPredSCModel );
614	}
615	#if H_3D_DIM
616	Void TEncSbac::loadIntraDepthMode( TEncSbac* pSrc)
617	{
618	m_pcBinIf->copyState( pSrc->m_pcBinIf );
619
620	this->m_cDepthIntraModeSCModel .copyFrom( &pSrc->m_cDepthIntraModeSCModel );
621	this->m_cDdcFlagSCModel .copyFrom( &pSrc->m_cDdcFlagSCModel );
622	this->m_cAngleFlagSCModel .copyFrom( &pSrc->m_cAngleFlagSCModel );
623	}
624	#endif
625
626	Void TEncSbac::store( TEncSbac* pDest)
627	{
628	pDest->xCopyFrom( this );
629	}
630
631
632	Void TEncSbac::xCopyFrom( TEncSbac* pSrc )
633	{
634	m_pcBinIf->copyState( pSrc->m_pcBinIf );
635
636	this->m_uiCoeffCost = pSrc->m_uiCoeffCost;
637	this->m_uiLastQp = pSrc->m_uiLastQp;
638
639	memcpy( m_contextModels, pSrc->m_contextModels, m_numContextModels * sizeof( ContextModel ) );
640	}
641
642	Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
643	{
644	Int iSymbol = pcCU->getMVPIdx(eRefList, uiAbsPartIdx);
645	Int iNum = AMVP_MAX_NUM_CANDS;
646
647	xWriteUnaryMaxSymbol(iSymbol, m_cMVPIdxSCModel.get(0), 1, iNum-1);
648	#if H_MV_ENC_DEC_TRAC
649	#if ENC_DEC_TRACE
650	if ( eRefList == REF_PIC_LIST_0 )
651	{
652	DTRACE_PU("mvp_l0_flag", iSymbol)
653	}
654	else
655	{
656	DTRACE_PU("mvp_l1_flag", iSymbol)
657	}
658	#endif
659	#endif
660	}
661
662	Void TEncSbac::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
663	{
664	PartSize eSize = pcCU->getPartitionSize( uiAbsPartIdx );
665	#if H_3D_QTLPC
666	TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS();
667	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
668	Bool bDepthMapDetect = (pcTexture != NULL);
669	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
670
671	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);
672
673	Bool depthDependent = false;
674	UInt uiTexturePart = eSize;
675	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && sps->getUseQTL() && sps->getUsePC() )
676	{
677	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
678	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
679	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
680	if(pcTextureCU->getDepth(uiCUIdx) == uiDepth )
681	{
682	depthDependent = true;
683	uiTexturePart = pcTextureCU->getPartitionSize( uiCUIdx );
684	}
685	if (pcTextureCU->getDepth(uiCUIdx) == uiDepth && pcTextureCU->getPartitionSize( uiCUIdx ) == SIZE_2Nx2N)
686	{
687	assert( eSize == SIZE_2Nx2N );
688	return;
689	}
690	}
691	#endif
692	if ( pcCU->isIntra( uiAbsPartIdx ) )
693	{
694	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
695	{
696	m_pcBinIf->encodeBin( eSize == SIZE_2Nx2N? 1 : 0, m_cCUPartSizeSCModel.get( 0, 0, 0 ) );
697	#if H_MV_ENC_DEC_TRAC
698	DTRACE_CU("part_mode", eSize == SIZE_2Nx2N? 1 : 0)
699	#endif
700	}
701	return;
702	}
703
704	#if H_MV_ENC_DEC_TRAC
705	DTRACE_CU("part_mode", eSize )
706	#endif
707	#if H_3D_QTLPC
708	if (depthDependent==false \|\| uiTexturePart == SIZE_NxN\|\| uiTexturePart == SIZE_2Nx2N)
709	{
710	#endif
711	switch(eSize)
712	{
713	case SIZE_2Nx2N:
714	{
715	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
716	break;
717	}
718	case SIZE_2NxN:
719	case SIZE_2NxnU:
720	case SIZE_2NxnD:
721	{
722	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
723	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
724	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
725	{
726	if (eSize == SIZE_2NxN)
727	{
728	m_pcBinIf->encodeBin(1, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
729	}
730	else
731	{
732	m_pcBinIf->encodeBin(0, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
733	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
734	}
735	}
736	break;
737	}
738	case SIZE_Nx2N:
739	case SIZE_nLx2N:
740	case SIZE_nRx2N:
741	{
742	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
743	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
744	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
745	{
746	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 2) );
747	}
748	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
749	{
750	if (eSize == SIZE_Nx2N)
751	{
752	m_pcBinIf->encodeBin(1, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
753	}
754	else
755	{
756	m_pcBinIf->encodeBin(0, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
757	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
758	}
759	}
760	break;
761	}
762	case SIZE_NxN:
763	{
764	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
765	{
766	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
767	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
768	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 2) );
769	}
770	break;
771	}
772	default:
773	{
774	assert(0);
775	}
776	}
777	#if H_3D_QTLPC
778	}
779	else if(uiTexturePart == SIZE_2NxN \|\| uiTexturePart == SIZE_2NxnU \|\| uiTexturePart == SIZE_2NxnD)
780	{
781	//assert(eSize!=SIZE_NxN);
782	//assert(eSize!=SIZE_Nx2N);
783	//assert(eSize==SIZE_2Nx2N \|\| eSize==SIZE_2NxN \|\| eSize==SIZE_2NxnU \|\| eSize==SIZE_2NxnD);
784	switch(eSize)
785	{
786	case SIZE_2Nx2N:
787	{
788	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
789	break;
790	}
791	case SIZE_2NxN:
792	{
793	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
794	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
795	{
796	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
797	}
798	break;
799	}
800	case SIZE_2NxnU:
801	case SIZE_2NxnD:
802	{
803	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
804	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
805	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
806	break;
807	}
808	default:
809	{
810	assert(0);
811	}
812	}
813	}
814	else if(uiTexturePart == SIZE_Nx2N\|\| uiTexturePart==SIZE_nLx2N \|\| uiTexturePart==SIZE_nRx2N)
815	{
816	//assert(eSize!=SIZE_NxN);
817	//assert(eSize!=SIZE_2NxN);
818	//assert(eSize==SIZE_2Nx2N \|\|eSize==SIZE_Nx2N \|\| eSize==SIZE_nLx2N \|\| eSize==SIZE_nRx2N);
819	switch(eSize)
820	{
821	case SIZE_2Nx2N:
822	{
823	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
824	break;
825	}
826	case SIZE_Nx2N:
827	{
828	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
829	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
830	{
831	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
832	}
833	break;
834	}
835	case SIZE_nLx2N:
836	case SIZE_nRx2N:
837	{
838	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
839	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
840	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
841	break;
842	}
843	default:
844	{
845	assert(0);
846	}
847	}
848	}
849	else
850	{
851	printf("uiTexturePart=%d",uiTexturePart);
852	assert(0);
853	}
854	#endif
855	}
856
857	/** code prediction mode
858	* \param pcCU
859	* \param uiAbsPartIdx
860	* \returns Void
861	*/
862	Void TEncSbac::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
863	{
864	#if H_3D_DIM_SDC
865	if ( pcCU->getSlice()->isIntra() )
866	{
867	assert( pcCU->isIntra(uiAbsPartIdx) );
868	return;
869	}
870	#endif
871
872	// get context function is here
873	Int iPredMode = pcCU->getPredictionMode( uiAbsPartIdx );
874	m_pcBinIf->encodeBin( iPredMode == MODE_INTER ? 0 : 1, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
875	#if H_MV_ENC_DEC_TRAC
876	DTRACE_CU("pred_mode_flag", iPredMode == MODE_INTER ? 0 : 1);
877	#endif
878	}
879
880	Void TEncSbac::codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
881	{
882	UInt uiSymbol = pcCU->getCUTransquantBypass(uiAbsPartIdx);
883	m_pcBinIf->encodeBin( uiSymbol, m_CUTransquantBypassFlagSCModel.get( 0, 0, 0 ) );
884	#if H_MV_ENC_DEC_TRAC
885	DTRACE_CU("cu_transquant_bypass_flag", uiSymbol);
886	#endif
887	}
888
889	/** code skip flag
890	* \param pcCU
891	* \param uiAbsPartIdx
892	* \returns Void
893	*/
894	Void TEncSbac::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
895	{
896	// get context function is here
897	UInt uiSymbol = pcCU->isSkipped( uiAbsPartIdx ) ? 1 : 0;
898	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ) ;
899	m_pcBinIf->encodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
900	#if !H_MV_ENC_DEC_TRAC
901	DTRACE_CABAC_VL( g_nSymbolCounter++ );
902	DTRACE_CABAC_T( "\tSkipFlag" );
903	DTRACE_CABAC_T( "\tuiCtxSkip: ");
904	DTRACE_CABAC_V( uiCtxSkip );
905	DTRACE_CABAC_T( "\tuiSymbol: ");
906	DTRACE_CABAC_V( uiSymbol );
907	DTRACE_CABAC_T( "\n");
908	#else
909	DTRACE_CU("cu_skip_flag", uiSymbol);
910	#endif
911	}
912
913	/** code merge flag
914	* \param pcCU
915	* \param uiAbsPartIdx
916	* \returns Void
917	*/
918	Void TEncSbac::codeMergeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
919	{
920	const UInt uiSymbol = pcCU->getMergeFlag( uiAbsPartIdx ) ? 1 : 0;
921	m_pcBinIf->encodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
922
923	#if H_MV_ENC_DEC_TRAC
924	DTRACE_PU("merge_flag", uiSymbol);
925	#else
926	DTRACE_CABAC_VL( g_nSymbolCounter++ );
927	DTRACE_CABAC_T( "\tMergeFlag: " );
928	DTRACE_CABAC_V( uiSymbol );
929	DTRACE_CABAC_T( "\tAddress: " );
930	DTRACE_CABAC_V( pcCU->getAddr() );
931	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
932	DTRACE_CABAC_V( uiAbsPartIdx );
933	DTRACE_CABAC_T( "\n" );
934	#endif
935	}
936
937	/** code merge index
938	* \param pcCU
939	* \param uiAbsPartIdx
940	* \returns Void
941	*/
942	Void TEncSbac::codeMergeIndex( TComDataCU* pcCU, UInt uiAbsPartIdx )
943	{
944	UInt uiUnaryIdx = pcCU->getMergeIndex( uiAbsPartIdx );
945	UInt uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
946	if ( uiNumCand > 1 )
947	{
948	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
949	{
950	const UInt uiSymbol = ui == uiUnaryIdx ? 0 : 1;
951	if ( ui==0 )
952	{
953	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
954	}
955	else
956	{
957	m_pcBinIf->encodeBinEP( uiSymbol );
958	}
959	if( uiSymbol == 0 )
960	{
961	break;
962	}
963	}
964	#if H_MV_ENC_DEC_TRAC
965	DTRACE_PU("merge_idx", uiUnaryIdx);
966	#endif
967	}
968	#if !H_MV_ENC_DEC_TRAC
969	DTRACE_CABAC_VL( g_nSymbolCounter++ );
970	DTRACE_CABAC_T( "\tparseMergeIndex()" );
971	DTRACE_CABAC_T( "\tuiMRGIdx= " );
972	DTRACE_CABAC_V( pcCU->getMergeIndex( uiAbsPartIdx ) );
973	DTRACE_CABAC_T( "\n" );
974	#endif
975	}
976
977	#if H_3D_ARP
978	Void TEncSbac::codeARPW( TComDataCU* pcCU, UInt uiAbsPartIdx )
979	{
980	Int iW = (Int)pcCU->getARPW( uiAbsPartIdx );
981	Int iMaxW = pcCU->getSlice()->getARPStepNum() - 1;
982	assert( iMaxW > 0);
983
984	Int nOffset = pcCU->getCTXARPWFlag(uiAbsPartIdx);
985	Int nBinNum = iW + ( iW != iMaxW );
986	m_pcBinIf->encodeBin( iW ? 1 : 0 , m_cCUPUARPWSCModel.get( 0, 0, 0 + nOffset ) );
987	if( nBinNum > 1 )
988	{
989	m_pcBinIf->encodeBin( ( iW == iMaxW ) ? 1 : 0, m_cCUPUARPWSCModel.get( 0, 0, 2 ) );
990	}
991	#if H_MV_ENC_DEC_TRAC
992	DTRACE_CU("iv_res_pred_weight_idx", iW);
993	#endif
994	}
995	#endif
996
997	#if H_3D_IC
998	/** code Illumination Compensation flag
999	* \param pcCU
1000	* \param uiAbsPartIdx
1001	* \returns Void
1002	*/
1003	Void TEncSbac::codeICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
1004	{
1005	// get context function is here
1006	UInt uiSymbol = pcCU->getICFlag( uiAbsPartIdx ) ? 1 : 0;
1007	m_pcBinIf->encodeBin( uiSymbol, m_cCUICFlagSCModel.get( 0, 0, 0 ) );
1008	#if !H_MV_ENC_DEC_TRAC
1009	DTRACE_CABAC_VL( g_nSymbolCounter++ );
1010	DTRACE_CABAC_T( "\tICFlag" );
1011	DTRACE_CABAC_T( "\tuiSymbol: ");
1012	DTRACE_CABAC_V( uiSymbol );
1013	DTRACE_CABAC_T( "\n");
1014	#else
1015	DTRACE_CU("ic_flag", uiSymbol );
1016	#endif
1017	}
1018	#endif
1019
1020
1021	Void TEncSbac::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
1022	{
1023	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
1024	return;
1025
1026	UInt uiCtx = pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth );
1027	UInt uiCurrSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0;
1028
1029	assert( uiCtx < 3 );
1030	#if H_3D_QTLPC
1031	Bool bCodeSplitFlag = true;
1032
1033	TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS();
1034	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
1035	Bool bDepthMapDetect = (pcTexture != NULL);
1036	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
1037
1038	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);
1039
1040	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && sps->getUseQTL() && sps->getUsePC())
1041	{
1042	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
1043	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
1044	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
1045	bCodeSplitFlag = (pcTextureCU->getDepth(uiCUIdx) > uiDepth);
1046	}
1047
1048	if(!bCodeSplitFlag)
1049	{
1050	assert(uiCurrSplitFlag == 0);
1051	return;
1052	}
1053	#endif
1054	m_pcBinIf->encodeBin( uiCurrSplitFlag, m_cCUSplitFlagSCModel.get( 0, 0, uiCtx ) );
1055	#if !H_MV_ENC_DEC_TRAC
1056	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1057	DTRACE_CABAC_T( "\tSplitFlag\n" )
1058	#else
1059	DTRACE_CU("split_cu_flag", uiCurrSplitFlag );
1060	#endif
1061	return;
1062	}
1063
1064	Void TEncSbac::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx )
1065	{
1066	m_pcBinIf->encodeBin( uiSymbol, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiCtx ) );
1067	#if !H_MV_ENC_DEC_TRAC
1068	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1069	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
1070	DTRACE_CABAC_T( "\tsymbol=" )
1071	DTRACE_CABAC_V( uiSymbol )
1072	DTRACE_CABAC_T( "\tctx=" )
1073	DTRACE_CABAC_V( uiCtx )
1074	DTRACE_CABAC_T( "\n" )
1075	#endif
1076	}
1077
1078	Void TEncSbac::codeIntraDirLumaAng( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple)
1079	{
1080	UInt dir[4],j;
1081	Int preds[4][3] = {{-1, -1, -1},{-1, -1, -1},{-1, -1, -1},{-1, -1, -1}};
1082	Int predNum[4], predIdx[4] ={ -1,-1,-1,-1};
1083	PartSize mode = pcCU->getPartitionSize( absPartIdx );
1084	UInt partNum = isMultiple?(mode==SIZE_NxN?4:1):1;
1085	UInt partOffset = ( pcCU->getPic()->getNumPartInCU() >> ( pcCU->getDepth(absPartIdx) << 1 ) ) >> 2;
1086	for (j=0;j<partNum;j++)
1087	{
1088	dir[j] = pcCU->getLumaIntraDir( absPartIdx+partOffset*j );
1089	#if H_3D_DIM
1090	if( pcCU->getSlice()->getVpsDepthModesFlag() )
1091	{
1092	codeIntraDepth( pcCU, absPartIdx+partOffset*j );
1093	}
1094	if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1095	{
1096	#endif
1097	predNum[j] = pcCU->getIntraDirLumaPredictor(absPartIdx+partOffset*j, preds[j]);
1098	for(UInt i = 0; i < predNum[j]; i++)
1099	{
1100	if(dir[j] == preds[j][i])
1101	{
1102	predIdx[j] = i;
1103	}
1104	}
1105	m_pcBinIf->encodeBin((predIdx[j] != -1)? 1 : 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1106	#if H_MV_ENC_DEC_TRAC
1107	DTRACE_CU("prev_intra_luma_pred_flag", (predIdx[j] != -1)? 1 : 0);
1108	#endif
1109	#if H_3D_DIM
1110	}
1111	#endif
1112
1113	}
1114	for (j=0;j<partNum;j++)
1115	{
1116	#if H_3D_DIM
1117	if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1118	{
1119	#endif
1120	if(predIdx[j] != -1)
1121	{
1122	m_pcBinIf->encodeBinEP( predIdx[j] ? 1 : 0 );
1123	if (predIdx[j])
1124	{
1125	m_pcBinIf->encodeBinEP( predIdx[j]-1 );
1126	}
1127	#if H_MV_ENC_DEC_TRAC
1128	DTRACE_CU("mpm_idx", predIdx[j] );
1129	#endif
1130	}
1131	else
1132	{
1133	if (preds[j][0] > preds[j][1])
1134	{
1135	std::swap(preds[j][0], preds[j][1]);
1136	}
1137	if (preds[j][0] > preds[j][2])
1138	{
1139	std::swap(preds[j][0], preds[j][2]);
1140	}
1141	if (preds[j][1] > preds[j][2])
1142	{
1143	std::swap(preds[j][1], preds[j][2]);
1144	}
1145	for(Int i = (predNum[j] - 1); i >= 0; i--)
1146	{
1147	dir[j] = dir[j] > preds[j][i] ? dir[j] - 1 : dir[j];
1148	}
1149	m_pcBinIf->encodeBinsEP( dir[j], 5 );
1150	#if H_MV_ENC_DEC_TRAC
1151	DTRACE_CU("rem_intra_luma_pred_mode", dir[j] );
1152	#endif
1153	}
1154	#if H_3D_DIM
1155	}
1156	#endif
1157	}
1158	return;
1159	}
1160
1161	Void TEncSbac::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx )
1162	{
1163	UInt uiIntraDirChroma = pcCU->getChromaIntraDir( uiAbsPartIdx );
1164
1165	if( uiIntraDirChroma == DM_CHROMA_IDX )
1166	{
1167	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1168	#if H_MV_ENC_DEC_TRAC
1169	DTRACE_CU("intra_chroma_pred_mode", 0 );
1170	#endif
1171	}
1172	else
1173	{
1174	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1175	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1176
1177	for( Int i = 0; i < NUM_CHROMA_MODE - 1; i++ )
1178	{
1179	if( uiIntraDirChroma == uiAllowedChromaDir[i] )
1180	{
1181	uiIntraDirChroma = i;
1182	break;
1183	}
1184	}
1185	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1186
1187	m_pcBinIf->encodeBinsEP( uiIntraDirChroma, 2 );
1188	#if H_MV_ENC_DEC_TRAC
1189	DTRACE_CU("intra_chroma_pred_mode", uiIntraDirChroma );
1190	#endif
1191
1192	}
1193	return;
1194	}
1195
1196	#if H_3D_DIM
1197	Void TEncSbac::codeIntraDepth( TComDataCU* pcCU, UInt absPartIdx )
1198	{
1199	codeIntraDepthMode( pcCU, absPartIdx );
1200
1201	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
1202	UInt dimType = getDimType( dir );
1203
1204	switch( dimType )
1205	{
1206	#if H_3D_DIM_DMM
1207	case( DMM1_IDX ):
1208	{
1209	xCodeDmm1WedgeIdx( pcCU->getDmmWedgeTabIdx( dimType, absPartIdx ), g_dmm1TabIdxBits[pcCU->getIntraSizeIdx(absPartIdx)] );
1210	} break;
1211	case( DMM4_IDX ): break;
1212	#endif
1213	default: break;
1214	}
1215	}
1216
1217	Void TEncSbac::codeIntraDepthMode( TComDataCU* pcCU, UInt absPartIdx )
1218	{
1219	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
1220
1221	if( ( pcCU->getSlice()->getSPS()->getMaxCUWidth() >> pcCU->getDepth( absPartIdx ) ) < 64 ) //DMM and HEVC intra modes are both allowed
1222	{
1223	m_pcBinIf->encodeBin( isDimMode( dir ) ? 0 : 1, m_cAngleFlagSCModel.get( 0, 0, 0 ) );
1224	}
1225	if( isDimMode( dir ) )
1226	{
1227	UInt uiCodeIdx = 0;
1228
1229	switch( getDimType( dir ) )
1230	{
1231	case DMM1_IDX: uiCodeIdx = 0; break;
1232	case DMM4_IDX: uiCodeIdx = 1; break;
1233	default: break;
1234	}
1235	//mode coding
1236	m_pcBinIf->encodeBin( uiCodeIdx == 0 ? 0 : 1, m_cDepthIntraModeSCModel.get( 0, 0, 0 ) );
1237	}
1238	}
1239	#endif
1240
1241
1242	Void TEncSbac::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
1243	{
1244	const UInt uiInterDir = pcCU->getInterDir( uiAbsPartIdx ) - 1;
1245	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1246	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1247	if (pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N \|\| pcCU->getHeight(uiAbsPartIdx) != 8 )
1248	{
1249	m_pcBinIf->encodeBin( uiInterDir == 2 ? 1 : 0, *( pCtx + uiCtx ) );
1250	}
1251	if (uiInterDir < 2)
1252	{
1253	m_pcBinIf->encodeBin( uiInterDir, *( pCtx + 4 ) );
1254	}
1255	#if H_MV_ENC_DEC_TRAC
1256	DTRACE_PU("inter_pred_idc", uiInterDir );
1257	#endif
1258
1259	return;
1260	}
1261
1262	Void TEncSbac::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1263	{
1264	{
1265	Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1266	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1267	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1268
1269	if( iRefFrame > 0 )
1270	{
1271	UInt uiRefNum = pcCU->getSlice()->getNumRefIdx( eRefList ) - 2;
1272	pCtx++;
1273	iRefFrame--;
1274	for( UInt ui = 0; ui < uiRefNum; ++ui )
1275	{
1276	const UInt uiSymbol = ui == iRefFrame ? 0 : 1;
1277	if( ui == 0 )
1278	{
1279	m_pcBinIf->encodeBin( uiSymbol, *pCtx );
1280	}
1281	else
1282	{
1283	m_pcBinIf->encodeBinEP( uiSymbol );
1284	}
1285	if( uiSymbol == 0 )
1286	{
1287	break;
1288	}
1289	}
1290	}
1291	#if H_MV_ENC_DEC_TRAC
1292	#if ENC_DEC_TRACE
1293	iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1294	if ( eRefList == REF_PIC_LIST_0 )
1295	{
1296	DTRACE_PU("ref_idx_l0", iRefFrame)
1297	}
1298	else
1299	{
1300	DTRACE_PU("ref_idx_l1", iRefFrame)
1301	}
1302	#endif
1303	#endif
1304	}
1305	return;
1306	}
1307
1308	Void TEncSbac::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1309	{
1310	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1311	{
1312	return;
1313	}
1314
1315	const TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList );
1316	const Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor();
1317	const Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer();
1318	ContextModel* pCtx = m_cCUMvdSCModel.get( 0 );
1319
1320	m_pcBinIf->encodeBin( iHor != 0 ? 1 : 0, *pCtx );
1321	m_pcBinIf->encodeBin( iVer != 0 ? 1 : 0, *pCtx );
1322
1323	const Bool bHorAbsGr0 = iHor != 0;
1324	const Bool bVerAbsGr0 = iVer != 0;
1325	const UInt uiHorAbs = 0 > iHor ? -iHor : iHor;
1326	const UInt uiVerAbs = 0 > iVer ? -iVer : iVer;
1327	pCtx++;
1328
1329	if( bHorAbsGr0 )
1330	{
1331	m_pcBinIf->encodeBin( uiHorAbs > 1 ? 1 : 0, *pCtx );
1332	}
1333
1334	if( bVerAbsGr0 )
1335	{
1336	m_pcBinIf->encodeBin( uiVerAbs > 1 ? 1 : 0, *pCtx );
1337	}
1338
1339	if( bHorAbsGr0 )
1340	{
1341	if( uiHorAbs > 1 )
1342	{
1343	xWriteEpExGolomb( uiHorAbs-2, 1 );
1344	}
1345
1346	m_pcBinIf->encodeBinEP( 0 > iHor ? 1 : 0 );
1347	}
1348
1349	if( bVerAbsGr0 )
1350	{
1351	if( uiVerAbs > 1 )
1352	{
1353	xWriteEpExGolomb( uiVerAbs-2, 1 );
1354	}
1355
1356	m_pcBinIf->encodeBinEP( 0 > iVer ? 1 : 0 );
1357	}
1358
1359	return;
1360	}
1361
1362	Void TEncSbac::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx )
1363	{
1364	Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
1365
1366	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY();
1367	iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
1368
1369	UInt uiAbsDQp = (UInt)((iDQp > 0)? iDQp : (-iDQp));
1370	UInt TUValue = min((Int)uiAbsDQp, CU_DQP_TU_CMAX);
1371	xWriteUnaryMaxSymbol( TUValue, &m_cCUDeltaQpSCModel.get( 0, 0, 0 ), 1, CU_DQP_TU_CMAX);
1372	if( uiAbsDQp >= CU_DQP_TU_CMAX )
1373	{
1374	xWriteEpExGolomb( uiAbsDQp - CU_DQP_TU_CMAX, CU_DQP_EG_k );
1375	}
1376
1377	if ( uiAbsDQp > 0)
1378	{
1379	UInt uiSign = (iDQp > 0 ? 0 : 1);
1380	m_pcBinIf->encodeBinEP(uiSign);
1381	}
1382
1383	return;
1384	}
1385
1386	Void TEncSbac::codeQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth )
1387	{
1388	UInt uiCbf = pcCU->getCbf ( uiAbsPartIdx, eType, uiTrDepth );
1389	UInt uiCtx = pcCU->getCtxQtCbf( eType, uiTrDepth );
1390	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) );
1391	#if !H_MV_ENC_DEC_TRAC
1392	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1393	DTRACE_CABAC_T( "\tparseQtCbf()" )
1394	DTRACE_CABAC_T( "\tsymbol=" )
1395	DTRACE_CABAC_V( uiCbf )
1396	DTRACE_CABAC_T( "\tctx=" )
1397	DTRACE_CABAC_V( uiCtx )
1398	DTRACE_CABAC_T( "\tetype=" )
1399	DTRACE_CABAC_V( eType )
1400	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1401	DTRACE_CABAC_V( uiAbsPartIdx )
1402	DTRACE_CABAC_T( "\n" )
1403	#endif
1404	}
1405
1406	void TEncSbac::codeTransformSkipFlags (TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, TextType eTType )
1407	{
1408	if (pcCU->getCUTransquantBypass(uiAbsPartIdx))
1409	{
1410	return;
1411	}
1412	if(width != 4 \|\| height != 4)
1413	{
1414	return;
1415	}
1416
1417	UInt useTransformSkip = pcCU->getTransformSkip( uiAbsPartIdx,eTType);
1418	m_pcBinIf->encodeBin( useTransformSkip, m_cTransformSkipSCModel.get( 0, eTType? TEXT_CHROMA: TEXT_LUMA, 0 ) );
1419	#if !H_MV_ENC_DEC_TRAC
1420	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1421	DTRACE_CABAC_T("\tparseTransformSkip()");
1422	DTRACE_CABAC_T( "\tsymbol=" )
1423	DTRACE_CABAC_V( useTransformSkip )
1424	DTRACE_CABAC_T( "\tAddr=" )
1425	DTRACE_CABAC_V( pcCU->getAddr() )
1426	DTRACE_CABAC_T( "\tetype=" )
1427	DTRACE_CABAC_V( eTType )
1428	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1429	DTRACE_CABAC_V( uiAbsPartIdx )
1430	DTRACE_CABAC_T( "\n" )
1431	#endif
1432	}
1433
1434	/** Code I_PCM information.
1435	* \param pcCU pointer to CU
1436	* \param uiAbsPartIdx CU index
1437	* \returns Void
1438	*/
1439	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
1440	{
1441	UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0;
1442
1443	Bool writePCMSampleFlag = pcCU->getIPCMFlag(uiAbsPartIdx);
1444
1445	m_pcBinIf->encodeBinTrm (uiIPCM);
1446	#if H_MV_ENC_DEC_TRAC
1447	DTRACE_CU("pcm_flag", uiIPCM)
1448	#endif
1449	if (writePCMSampleFlag)
1450	{
1451	m_pcBinIf->encodePCMAlignBits();
1452
1453	UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight();
1454	UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx;
1455	UInt uiChromaOffset = uiLumaOffset>>2;
1456	Pel* piPCMSample;
1457	UInt uiWidth;
1458	UInt uiHeight;
1459	UInt uiSampleBits;
1460	UInt uiX, uiY;
1461
1462	piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset;
1463	uiWidth = pcCU->getWidth(uiAbsPartIdx);
1464	uiHeight = pcCU->getHeight(uiAbsPartIdx);
1465	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma();
1466
1467	for(uiY = 0; uiY < uiHeight; uiY++)
1468	{
1469	for(uiX = 0; uiX < uiWidth; uiX++)
1470	{
1471	UInt uiSample = piPCMSample[uiX];
1472
1473	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1474	}
1475	piPCMSample += uiWidth;
1476	}
1477
1478	piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset;
1479	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1480	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1481	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1482
1483	for(uiY = 0; uiY < uiHeight; uiY++)
1484	{
1485	for(uiX = 0; uiX < uiWidth; uiX++)
1486	{
1487	UInt uiSample = piPCMSample[uiX];
1488
1489	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1490	}
1491	piPCMSample += uiWidth;
1492	}
1493
1494	piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset;
1495	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1496	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1497	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1498
1499	for(uiY = 0; uiY < uiHeight; uiY++)
1500	{
1501	for(uiX = 0; uiX < uiWidth; uiX++)
1502	{
1503	UInt uiSample = piPCMSample[uiX];
1504
1505	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1506	}
1507	piPCMSample += uiWidth;
1508	}
1509	m_pcBinIf->resetBac();
1510	}
1511	}
1512
1513	Void TEncSbac::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx )
1514	{
1515	UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx );
1516	UInt uiCtx = 0;
1517	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1518	#if !H_MV_ENC_DEC_TRAC
1519	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1520	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1521	DTRACE_CABAC_T( "\tsymbol=" )
1522	DTRACE_CABAC_V( uiCbf )
1523	DTRACE_CABAC_T( "\tctx=" )
1524	DTRACE_CABAC_V( uiCtx )
1525	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1526	DTRACE_CABAC_V( uiAbsPartIdx )
1527	DTRACE_CABAC_T( "\n" )
1528	#else
1529	DTRACE_CU( "rqt_root_cbf", uiCbf )
1530	#endif
1531	}
1532
1533	Void TEncSbac::codeQtCbfZero( TComDataCU* pcCU, TextType eType, UInt uiTrDepth )
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 = pcCU->getCtxQtCbf( eType, uiTrDepth );
1539	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) );
1540	}
1541
1542	Void TEncSbac::codeQtRootCbfZero( TComDataCU* pcCU )
1543	{
1544	// this function is only used to estimate the bits when cbf is 0
1545	// and will never be called when writing the bistream. do not need to write log
1546	UInt uiCbf = 0;
1547	UInt uiCtx = 0;
1548	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1549	}
1550
1551	/** Encode (X,Y) position of the last significant coefficient
1552	* \param uiPosX X component of last coefficient
1553	* \param uiPosY Y component of last coefficient
1554	* \param width Block width
1555	* \param height Block height
1556	* \param eTType plane type / luminance or chrominance
1557	* \param uiScanIdx scan type (zig-zag, hor, ver)
1558	* This method encodes the X and Y component within a block of the last significant coefficient.
1559	*/
1560	Void TEncSbac::codeLastSignificantXY( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx )
1561	{
1562	// swap
1563	if( uiScanIdx == SCAN_VER )
1564	{
1565	swap( uiPosX, uiPosY );
1566	}
1567
1568	UInt uiCtxLast;
1569	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
1570	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
1571	UInt uiGroupIdxX = g_uiGroupIdx[ uiPosX ];
1572	UInt uiGroupIdxY = g_uiGroupIdx[ uiPosY ];
1573
1574
1575	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
1576	blkSizeOffsetX = eTType ? 0: (g_aucConvertToBit[ width ] *3 + ((g_aucConvertToBit[ width ] +1)>>2));
1577	blkSizeOffsetY = eTType ? 0: (g_aucConvertToBit[ height ]*3 + ((g_aucConvertToBit[ height ]+1)>>2));
1578	shiftX= eTType ? g_aucConvertToBit[ width ] :((g_aucConvertToBit[ width ]+3)>>2);
1579	shiftY= eTType ? g_aucConvertToBit[ height ] :((g_aucConvertToBit[ height ]+3)>>2);
1580	// posX
1581	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxX; uiCtxLast++ )
1582	{
1583	m_pcBinIf->encodeBin( 1, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1584	}
1585	if( uiGroupIdxX < g_uiGroupIdx[ width - 1 ])
1586	{
1587	m_pcBinIf->encodeBin( 0, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1588	}
1589
1590	// posY
1591	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxY; uiCtxLast++ )
1592	{
1593	m_pcBinIf->encodeBin( 1, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1594	}
1595	if( uiGroupIdxY < g_uiGroupIdx[ height - 1 ])
1596	{
1597	m_pcBinIf->encodeBin( 0, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1598	}
1599	if ( uiGroupIdxX > 3 )
1600	{
1601	UInt uiCount = ( uiGroupIdxX - 2 ) >> 1;
1602	uiPosX = uiPosX - g_uiMinInGroup[ uiGroupIdxX ];
1603	for (Int i = uiCount - 1 ; i >= 0; i-- )
1604	{
1605	m_pcBinIf->encodeBinEP( ( uiPosX >> i ) & 1 );
1606	}
1607	}
1608	if ( uiGroupIdxY > 3 )
1609	{
1610	UInt uiCount = ( uiGroupIdxY - 2 ) >> 1;
1611	uiPosY = uiPosY - g_uiMinInGroup[ uiGroupIdxY ];
1612	for ( Int i = uiCount - 1 ; i >= 0; i-- )
1613	{
1614	m_pcBinIf->encodeBinEP( ( uiPosY >> i ) & 1 );
1615	}
1616	}
1617	}
1618
1619	Void TEncSbac::codeCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType )
1620	{
1621	#if !H_MV_ENC_DEC_TRAC
1622	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1623	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1624	DTRACE_CABAC_V( eTType )
1625	DTRACE_CABAC_T( "\twidth=" )
1626	DTRACE_CABAC_V( uiWidth )
1627	DTRACE_CABAC_T( "\theight=" )
1628	DTRACE_CABAC_V( uiHeight )
1629	DTRACE_CABAC_T( "\tdepth=" )
1630	DTRACE_CABAC_V( uiDepth )
1631	DTRACE_CABAC_T( "\tabspartidx=" )
1632	DTRACE_CABAC_V( uiAbsPartIdx )
1633	DTRACE_CABAC_T( "\ttoCU-X=" )
1634	DTRACE_CABAC_V( pcCU->getCUPelX() )
1635	DTRACE_CABAC_T( "\ttoCU-Y=" )
1636	DTRACE_CABAC_V( pcCU->getCUPelY() )
1637	DTRACE_CABAC_T( "\tCU-addr=" )
1638	DTRACE_CABAC_V( pcCU->getAddr() )
1639	DTRACE_CABAC_T( "\tinCU-X=" )
1640	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1641	DTRACE_CABAC_T( "\tinCU-Y=" )
1642	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1643	DTRACE_CABAC_T( "\tpredmode=" )
1644	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1645	DTRACE_CABAC_T( "\n" )
1646	#endif
1647	if( uiWidth > m_pcSlice->getSPS()->getMaxTrSize() )
1648	{
1649	uiWidth = m_pcSlice->getSPS()->getMaxTrSize();
1650	uiHeight = m_pcSlice->getSPS()->getMaxTrSize();
1651	}
1652
1653	UInt uiNumSig = 0;
1654
1655	// compute number of significant coefficients
1656	uiNumSig = TEncEntropy::countNonZeroCoeffs(pcCoef, uiWidth * uiHeight);
1657
1658	if ( uiNumSig == 0 )
1659	return;
1660	if(pcCU->getSlice()->getPPS()->getUseTransformSkip())
1661	{
1662	codeTransformSkipFlags( pcCU,uiAbsPartIdx, uiWidth, uiHeight, eTType );
1663	}
1664	eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA );
1665
1666	//----- encode significance map -----
1667	const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2;
1668	UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx));
1669	const UInt *scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize - 1 ];
1670
1671	Bool beValid;
1672	if (pcCU->getCUTransquantBypass(uiAbsPartIdx))
1673	{
1674	beValid = false;
1675	}
1676	else
1677	{
1678	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1679	}
1680
1681	// Find position of last coefficient
1682	Int scanPosLast = -1;
1683	Int posLast;
1684
1685	const UInt * scanCG;
1686	{
1687	scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ];
1688	if( uiLog2BlockSize == 3 )
1689	{
1690	scanCG = g_sigLastScan8x8[ uiScanIdx ];
1691	}
1692	else if( uiLog2BlockSize == 5 )
1693	{
1694	scanCG = g_sigLastScanCG32x32;
1695	}
1696	}
1697	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1698	static const UInt uiShift = MLS_CG_SIZE >> 1;
1699	const UInt uiNumBlkSide = uiWidth >> uiShift;
1700
1701	::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1702
1703	do
1704	{
1705	posLast = scan[ ++scanPosLast ];
1706
1707	// get L1 sig map
1708	UInt uiPosY = posLast >> uiLog2BlockSize;
1709	UInt uiPosX = posLast - ( uiPosY << uiLog2BlockSize );
1710	UInt uiBlkIdx = uiNumBlkSide * (uiPosY >> uiShift) + (uiPosX >> uiShift);
1711	if( pcCoef[ posLast ] )
1712	{
1713	uiSigCoeffGroupFlag[ uiBlkIdx ] = 1;
1714	}
1715
1716	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1717	}
1718	while ( uiNumSig > 0 );
1719
1720	// Code position of last coefficient
1721	Int posLastY = posLast >> uiLog2BlockSize;
1722	Int posLastX = posLast - ( posLastY << uiLog2BlockSize );
1723	codeLastSignificantXY(posLastX, posLastY, uiWidth, uiHeight, eTType, uiScanIdx);
1724
1725	//===== code significance flag =====
1726	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType );
1727	ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA;
1728
1729
1730	const Int iLastScanSet = scanPosLast >> LOG2_SCAN_SET_SIZE;
1731	UInt c1 = 1;
1732	UInt uiGoRiceParam = 0;
1733	Int iScanPosSig = scanPosLast;
1734
1735	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1736	{
1737	Int numNonZero = 0;
1738	Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE;
1739	uiGoRiceParam = 0;
1740	Int absCoeff[16];
1741	UInt coeffSigns = 0;
1742
1743	Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE;
1744
1745	if( iScanPosSig == scanPosLast )
1746	{
1747	absCoeff[ 0 ] = abs( pcCoef[ posLast ] );
1748	coeffSigns = ( pcCoef[ posLast ] < 0 );
1749	numNonZero = 1;
1750	lastNZPosInCG = iScanPosSig;
1751	firstNZPosInCG = iScanPosSig;
1752	iScanPosSig--;
1753	}
1754
1755	// encode significant_coeffgroup_flag
1756	Int iCGBlkPos = scanCG[ iSubSet ];
1757	Int iCGPosY = iCGBlkPos / uiNumBlkSide;
1758	Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide);
1759	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1760	{
1761	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1762	}
1763	else
1764	{
1765	UInt uiSigCoeffGroup = (uiSigCoeffGroupFlag[ iCGBlkPos ] != 0);
1766	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1767	m_pcBinIf->encodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1768	}
1769
1770	// encode significant_coeff_flag
1771	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1772	{
1773	Int patternSigCtx = TComTrQuant::calcPatternSigCtx( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1774	UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig;
1775	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1776	{
1777	uiBlkPos = scan[ iScanPosSig ];
1778	uiPosY = uiBlkPos >> uiLog2BlockSize;
1779	uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1780	uiSig = (pcCoef[ uiBlkPos ] != 0);
1781	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1782	{
1783	uiCtxSig = TComTrQuant::getSigCtxInc( patternSigCtx, uiScanIdx, uiPosX, uiPosY, uiLog2BlockSize, eTType );
1784	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1785	}
1786	if( uiSig )
1787	{
1788	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1789	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1790	numNonZero++;
1791	if( lastNZPosInCG == -1 )
1792	{
1793	lastNZPosInCG = iScanPosSig;
1794	}
1795	firstNZPosInCG = iScanPosSig;
1796	}
1797	}
1798	}
1799	else
1800	{
1801	iScanPosSig = iSubPos - 1;
1802	}
1803
1804	if( numNonZero > 0 )
1805	{
1806	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= SBH_THRESHOLD );
1807	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0;
1808
1809	if( c1 == 0 )
1810	{
1811	uiCtxSet++;
1812	}
1813	c1 = 1;
1814	ContextModel baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet;
1815
1816	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
1817	Int firstC2FlagIdx = -1;
1818	for( Int idx = 0; idx < numC1Flag; idx++ )
1819	{
1820	UInt uiSymbol = absCoeff[ idx ] > 1;
1821	m_pcBinIf->encodeBin( uiSymbol, baseCtxMod[c1] );
1822	if( uiSymbol )
1823	{
1824	c1 = 0;
1825
1826	if (firstC2FlagIdx == -1)
1827	{
1828	firstC2FlagIdx = idx;
1829	}
1830	}
1831	else if( (c1 < 3) && (c1 > 0) )
1832	{
1833	c1++;
1834	}
1835	}
1836
1837	if (c1 == 0)
1838	{
1839
1840	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet;
1841	if ( firstC2FlagIdx != -1)
1842	{
1843	UInt symbol = absCoeff[ firstC2FlagIdx ] > 2;
1844	m_pcBinIf->encodeBin( symbol, baseCtxMod[0] );
1845	}
1846	}
1847
1848	if( beValid && signHidden )
1849	{
1850	m_pcBinIf->encodeBinsEP( (coeffSigns >> 1), numNonZero-1 );
1851	}
1852	else
1853	{
1854	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
1855	}
1856
1857	Int iFirstCoeff2 = 1;
1858	if (c1 == 0 \|\| numNonZero > C1FLAG_NUMBER)
1859	{
1860	for ( Int idx = 0; idx < numNonZero; idx++ )
1861	{
1862	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1;
1863
1864	if( absCoeff[ idx ] >= baseLevel)
1865	{
1866	xWriteCoefRemainExGolomb( absCoeff[ idx ] - baseLevel, uiGoRiceParam );
1867	if(absCoeff[idx] > 3*(1<<uiGoRiceParam))
1868	{
1869	uiGoRiceParam = min<UInt>(uiGoRiceParam+ 1, 4);
1870	}
1871	}
1872	if(absCoeff[ idx ] >= 2)
1873	{
1874	iFirstCoeff2 = 0;
1875	}
1876	}
1877	}
1878	}
1879	}
1880
1881	return;
1882	}
1883
1884	/** code SAO offset sign
1885	* \param code sign value
1886	*/
1887	Void TEncSbac::codeSAOSign( UInt code )
1888	{
1889	m_pcBinIf->encodeBinEP( code );
1890	}
1891
1892	Void TEncSbac::codeSaoMaxUvlc ( UInt code, UInt maxSymbol )
1893	{
1894	if (maxSymbol == 0)
1895	{
1896	return;
1897	}
1898
1899	Int i;
1900	Bool bCodeLast = ( maxSymbol > code );
1901
1902	if ( code == 0 )
1903	{
1904	m_pcBinIf->encodeBinEP( 0 );
1905	}
1906	else
1907	{
1908	m_pcBinIf->encodeBinEP( 1 );
1909	for ( i=0; i<code-1; i++ )
1910	{
1911	m_pcBinIf->encodeBinEP( 1 );
1912	}
1913	if( bCodeLast )
1914	{
1915	m_pcBinIf->encodeBinEP( 0 );
1916	}
1917	}
1918	}
1919
1920
1921	/** Code SAO EO class or BO band position
1922	* \param uiLength
1923	* \param uiCode
1924	*/
1925	Void TEncSbac::codeSaoUflc ( UInt uiLength, UInt uiCode )
1926	{
1927	m_pcBinIf->encodeBinsEP ( uiCode, uiLength );
1928	}
1929	/** Code SAO merge flags
1930	* \param uiCode
1931	* \param uiCompIdx
1932	*/
1933	Void TEncSbac::codeSaoMerge ( UInt uiCode )
1934	{
1935	if (uiCode == 0)
1936	{
1937	m_pcBinIf->encodeBin(0, m_cSaoMergeSCModel.get( 0, 0, 0 ));
1938	}
1939	else
1940	{
1941	m_pcBinIf->encodeBin(1, m_cSaoMergeSCModel.get( 0, 0, 0 ));
1942	}
1943	}
1944	/** Code SAO type index
1945	* \param uiCode
1946	*/
1947	Void TEncSbac::codeSaoTypeIdx ( UInt uiCode)
1948	{
1949	if (uiCode == 0)
1950	{
1951	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
1952	}
1953	else
1954	{
1955	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
1956	m_pcBinIf->encodeBinEP( uiCode == 1 ? 0 : 1 );
1957	}
1958	}
1959	/*!
1960	****************************************************************************
1961	* \brief
1962	* estimate bit cost for CBP, significant map and significant coefficients
1963	****************************************************************************
1964	*/
1965	Void TEncSbac::estBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
1966	{
1967	estCBFBit( pcEstBitsSbac );
1968
1969	estSignificantCoeffGroupMapBit( pcEstBitsSbac, eTType );
1970
1971	// encode significance map
1972	estSignificantMapBit( pcEstBitsSbac, width, height, eTType );
1973
1974	// encode significant coefficients
1975	estSignificantCoefficientsBit( pcEstBitsSbac, eTType );
1976	}
1977
1978	/*!
1979	****************************************************************************
1980	* \brief
1981	* estimate bit cost for each CBP bit
1982	****************************************************************************
1983	*/
1984	Void TEncSbac::estCBFBit( estBitsSbacStruct* pcEstBitsSbac )
1985	{
1986	ContextModel *pCtx = m_cCUQtCbfSCModel.get( 0 );
1987
1988	for( UInt uiCtxInc = 0; uiCtxInc < 3*NUM_QT_CBF_CTX; uiCtxInc++ )
1989	{
1990	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
1991	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
1992	}
1993
1994	pCtx = m_cCUQtRootCbfSCModel.get( 0 );
1995
1996	for( UInt uiCtxInc = 0; uiCtxInc < 4; uiCtxInc++ )
1997	{
1998	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
1999	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2000	}
2001	}
2002
2003
2004	/*!
2005	****************************************************************************
2006	* \brief
2007	* estimate SAMBAC bit cost for significant coefficient group map
2008	****************************************************************************
2009	*/
2010	Void TEncSbac::estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, TextType eTType )
2011	{
2012	Int firstCtx = 0, numCtx = NUM_SIG_CG_FLAG_CTX;
2013
2014	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2015	{
2016	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2017	{
2018	pcEstBitsSbac->significantCoeffGroupBits[ ctxIdx ][ uiBin ] = m_cCUSigCoeffGroupSCModel.get( 0, eTType, ctxIdx ).getEntropyBits( uiBin );
2019	}
2020	}
2021	}
2022
2023
2024	/*!
2025	****************************************************************************
2026	* \brief
2027	* estimate SAMBAC bit cost for significant coefficient map
2028	****************************************************************************
2029	*/
2030	Void TEncSbac::estSignificantMapBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2031	{
2032	Int firstCtx = 1, numCtx = 8;
2033	if (max(width, height) >= 16)
2034	{
2035	firstCtx = (eTType == TEXT_LUMA) ? 21 : 12;
2036	numCtx = (eTType == TEXT_LUMA) ? 6 : 3;
2037	}
2038	else if (width == 8)
2039	{
2040	firstCtx = 9;
2041	numCtx = (eTType == TEXT_LUMA) ? 12 : 3;
2042	}
2043
2044	if (eTType == TEXT_LUMA )
2045	{
2046	for( UInt bin = 0; bin < 2; bin++ )
2047	{
2048	pcEstBitsSbac->significantBits[ 0 ][ bin ] = m_cCUSigSCModel.get( 0, 0, 0 ).getEntropyBits( bin );
2049	}
2050
2051	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2052	{
2053	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2054	{
2055	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, ctxIdx ).getEntropyBits( uiBin );
2056	}
2057	}
2058	}
2059	else
2060	{
2061	for( UInt bin = 0; bin < 2; bin++ )
2062	{
2063	pcEstBitsSbac->significantBits[ 0 ][ bin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + 0 ).getEntropyBits( bin );
2064	}
2065	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2066	{
2067	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2068	{
2069	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + ctxIdx ).getEntropyBits( uiBin );
2070	}
2071	}
2072	}
2073	Int iBitsX = 0, iBitsY = 0;
2074	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
2075
2076	blkSizeOffsetX = eTType ? 0: (g_aucConvertToBit[ width ] *3 + ((g_aucConvertToBit[ width ] +1)>>2));
2077	blkSizeOffsetY = eTType ? 0: (g_aucConvertToBit[ height ]*3 + ((g_aucConvertToBit[ height ]+1)>>2));
2078	shiftX = eTType ? g_aucConvertToBit[ width ] :((g_aucConvertToBit[ width ]+3)>>2);
2079	shiftY = eTType ? g_aucConvertToBit[ height ] :((g_aucConvertToBit[ height ]+3)>>2);
2080
2081	Int ctx;
2082	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
2083	for (ctx = 0; ctx < g_uiGroupIdx[ width - 1 ]; ctx++)
2084	{
2085	Int ctxOffset = blkSizeOffsetX + (ctx >>shiftX);
2086	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffset ].getEntropyBits( 0 );
2087	iBitsX += pCtxX[ ctxOffset ].getEntropyBits( 1 );
2088	}
2089	pcEstBitsSbac->lastXBits[ctx] = iBitsX;
2090	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
2091	for (ctx = 0; ctx < g_uiGroupIdx[ height - 1 ]; ctx++)
2092	{
2093	Int ctxOffset = blkSizeOffsetY + (ctx >>shiftY);
2094	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffset ].getEntropyBits( 0 );
2095	iBitsY += pCtxY[ ctxOffset ].getEntropyBits( 1 );
2096	}
2097	pcEstBitsSbac->lastYBits[ctx] = iBitsY;
2098	}
2099
2100	/*!
2101	****************************************************************************
2102	* \brief
2103	* estimate bit cost of significant coefficient
2104	****************************************************************************
2105	*/
2106	Void TEncSbac::estSignificantCoefficientsBit( estBitsSbacStruct* pcEstBitsSbac, TextType eTType )
2107	{
2108	if (eTType==TEXT_LUMA)
2109	{
2110	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0);
2111	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0);
2112
2113	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_LUMA; ctxIdx++)
2114	{
2115	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2116	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2117	}
2118
2119	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_LUMA; ctxIdx++)
2120	{
2121	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2122	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2123	}
2124	}
2125	else
2126	{
2127	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0) + NUM_ONE_FLAG_CTX_LUMA;
2128	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0) + NUM_ABS_FLAG_CTX_LUMA;
2129
2130	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_CHROMA; ctxIdx++)
2131	{
2132	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2133	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2134	}
2135
2136	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_CHROMA; ctxIdx++)
2137	{
2138	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2139	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2140	}
2141	}
2142	}
2143
2144	/**
2145	- Initialize our context information from the nominated source.
2146	.
2147	\param pSrc From where to copy context information.
2148	*/
2149	Void TEncSbac::xCopyContextsFrom( TEncSbac* pSrc )
2150	{
2151	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2152	}
2153
2154	Void TEncSbac::loadContexts ( TEncSbac* pScr)
2155	{
2156	this->xCopyContextsFrom(pScr);
2157	}
2158
2159	Void TEncSbac::codeSAOOffsetParam(Int compIdx, SAOOffset& ctbParam, Bool sliceEnabled)
2160	{
2161	UInt uiSymbol;
2162	if(!sliceEnabled)
2163	{
2164	assert(ctbParam.modeIdc == SAO_MODE_OFF);
2165	return;
2166	}
2167
2168	//type
2169	if(compIdx == SAO_Y \|\| compIdx == SAO_Cb)
2170	{
2171	//sao_type_idx_luma or sao_type_idx_chroma
2172	if(ctbParam.modeIdc == SAO_MODE_OFF)
2173	{
2174	uiSymbol =0;
2175	}
2176	else if(ctbParam.typeIdc == SAO_TYPE_BO) //BO
2177	{
2178	uiSymbol = 1;
2179	}
2180	else
2181	{
2182	assert(ctbParam.typeIdc < SAO_TYPE_START_BO); //EO
2183	uiSymbol = 2;
2184	}
2185	codeSaoTypeIdx(uiSymbol);
2186	}
2187
2188	if(ctbParam.modeIdc == SAO_MODE_NEW)
2189	{
2190	Int numClasses = (ctbParam.typeIdc == SAO_TYPE_BO)?4:NUM_SAO_EO_CLASSES;
2191	Int offset[4];
2192	Int k=0;
2193	for(Int i=0; i< numClasses; i++)
2194	{
2195	if(ctbParam.typeIdc != SAO_TYPE_BO && i == SAO_CLASS_EO_PLAIN)
2196	{
2197	continue;
2198	}
2199	Int classIdx = (ctbParam.typeIdc == SAO_TYPE_BO)?( (ctbParam.typeAuxInfo+i)% NUM_SAO_BO_CLASSES ):i;
2200	offset[k] = ctbParam.offset[classIdx];
2201	k++;
2202	}
2203
2204	for(Int i=0; i< 4; i++)
2205	{
2206	codeSaoMaxUvlc((offset[i]<0)?(-offset[i]):(offset[i]), g_saoMaxOffsetQVal[compIdx] ); //sao_offset_abs
2207	}
2208
2209
2210	if(ctbParam.typeIdc == SAO_TYPE_BO)
2211	{
2212	for(Int i=0; i< 4; i++)
2213	{
2214	if(offset[i] != 0)
2215	{
2216	codeSAOSign((offset[i]< 0)?1:0);
2217	}
2218	}
2219
2220	codeSaoUflc(NUM_SAO_BO_CLASSES_LOG2, ctbParam.typeAuxInfo ); //sao_band_position
2221	}
2222	else //EO
2223	{
2224	if(compIdx == SAO_Y \|\| compIdx == SAO_Cb)
2225	{
2226	assert(ctbParam.typeIdc - SAO_TYPE_START_EO >=0);
2227	codeSaoUflc(NUM_SAO_EO_TYPES_LOG2, ctbParam.typeIdc - SAO_TYPE_START_EO ); //sao_eo_class_luma or sao_eo_class_chroma
2228	}
2229	}
2230
2231	}
2232	}
2233
2234
2235	Void TEncSbac::codeSAOBlkParam(SAOBlkParam& saoBlkParam
2236	, Bool* sliceEnabled
2237	, Bool leftMergeAvail
2238	, Bool aboveMergeAvail
2239	, Bool onlyEstMergeInfo // = false
2240	)
2241	{
2242
2243	Bool isLeftMerge = false;
2244	Bool isAboveMerge= false;
2245
2246	if(leftMergeAvail)
2247	{
2248	isLeftMerge = ((saoBlkParam[SAO_Y].modeIdc == SAO_MODE_MERGE) && (saoBlkParam[SAO_Y].typeIdc == SAO_MERGE_LEFT));
2249	codeSaoMerge( isLeftMerge?1:0 ); //sao_merge_left_flag
2250	}
2251
2252	if( aboveMergeAvail && !isLeftMerge)
2253	{
2254	isAboveMerge = ((saoBlkParam[SAO_Y].modeIdc == SAO_MODE_MERGE) && (saoBlkParam[SAO_Y].typeIdc == SAO_MERGE_ABOVE));
2255	codeSaoMerge( isAboveMerge?1:0 ); //sao_merge_left_flag
2256	}
2257
2258	if(onlyEstMergeInfo)
2259	{
2260	return; //only for RDO
2261	}
2262
2263	if(!isLeftMerge && !isAboveMerge) //not merge mode
2264	{
2265	for(Int compIdx=0; compIdx < NUM_SAO_COMPONENTS; compIdx++)
2266	{
2267	codeSAOOffsetParam(compIdx, saoBlkParam[compIdx], sliceEnabled[compIdx]);
2268	}
2269	}
2270	}
2271
2272	#if H_3D_INTER_SDC
2273	Void TEncSbac::codeDeltaDC( TComDataCU* pcCU, UInt absPartIdx )
2274	{
2275	if( !( pcCU->getSDCFlag( absPartIdx ) \|\| ( pcCU->isIntra( absPartIdx ) && getDimType( pcCU->getLumaIntraDir( absPartIdx ) ) < DIM_NUM_TYPE ) ) )
2276	{
2277	assert( 0 );
2278	}
2279
2280	UInt uiNumSegments = 0;
2281	UInt dimDeltaDC = 0;
2282
2283	if( pcCU->isIntra( absPartIdx ) )
2284	{
2285	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
2286	uiNumSegments = isDimMode( dir ) ? 2 : 1;
2287
2288	if( pcCU->getSDCFlag( absPartIdx ) )
2289	{
2290	if( uiNumSegments == 1 )
2291	{
2292	dimDeltaDC = pcCU->getSDCSegmentDCOffset( 0, absPartIdx ) ? 1 : 0;
2293	}
2294	else
2295	{
2296	dimDeltaDC = ( pcCU->getSDCSegmentDCOffset( 0, absPartIdx ) \|\| pcCU->getSDCSegmentDCOffset( 1, absPartIdx ) ) ? 1 : 0;
2297	}
2298	}
2299	else
2300	{
2301	dimDeltaDC = isDimDeltaDC( dir );
2302	}
2303	m_pcBinIf->encodeBin( dimDeltaDC, m_cDdcFlagSCModel.get( 0, 0, 0 ) );
2304	}
2305	else //all-zero inter SDC is not allowed
2306	{
2307	uiNumSegments = 1;
2308	dimDeltaDC = 1;
2309	}
2310
2311	if( dimDeltaDC )
2312	{
2313	for( UInt segment = 0; segment < uiNumSegments; segment++ )
2314	{
2315	Pel deltaDC = 0;
2316
2317	if( pcCU->isIntra( absPartIdx ) )
2318	{
2319	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
2320	deltaDC = pcCU->getSDCFlag( absPartIdx ) ? pcCU->getSDCSegmentDCOffset( segment, absPartIdx ) : pcCU->getDimDeltaDC( getDimType( dir ), segment, absPartIdx );
2321	}
2322	else
2323	{
2324	deltaDC = pcCU->getSDCSegmentDCOffset( segment, absPartIdx );
2325	}
2326
2327	xCodeDimDeltaDC( deltaDC, uiNumSegments );
2328	}
2329	}
2330	}
2331
2332	Void TEncSbac::codeSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
2333	{
2334	UInt uiSymbol = pcCU->getSDCFlag( uiAbsPartIdx ) ? 1 : 0;
2335	UInt uiCtxSDCFlag = pcCU->getCtxSDCFlag( uiAbsPartIdx );
2336
2337	m_pcBinIf->encodeBin( uiSymbol, m_cSDCFlagSCModel.get( 0, 0, uiCtxSDCFlag ) );
2338	}
2339
2340	#endif
2341
2342	#if H_3D_DBBP
2343	Void TEncSbac::codeDBBPFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
2344	{
2345	#if SEC_DBBP_EXPLICIT_SIG_I0077
2346	PartSize ePartSize = pcCU->getPartitionSize( uiAbsPartIdx );
2347	AOF( ePartSize == SIZE_2NxN \|\| ePartSize == SIZE_Nx2N );
2348	#endif
2349	AOF( pcCU->getSlice()->getVPS()->getUseDBBP(pcCU->getSlice()->getLayerIdInVps()) );
2350	AOF( !pcCU->getSlice()->getIsDepth() );
2351
2352	UInt uiSymbol = pcCU->getDBBPFlag( uiAbsPartIdx ) ? 1 : 0;
2353	m_pcBinIf->encodeBin( uiSymbol, m_cDBBPFlagSCModel.get( 0, 0, 0 ) );
2354	}
2355	#endif
2356
2357	//! \}

Note: See TracBrowser for help on using the repository browser.

JCT-3V 3D-HEVC

Context navigation

source: 3DVCSoftware/branches/HTM-11.2-dev1-Sharp/source/Lib/TLibEncoder/TEncSbac.cpp @ 1314

Download in other formats: