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TDecSbac.cpp @ 184

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Last change on this file since 184 was 177, checked in by rwth, 12 years ago
added RWTH_B0036 (SDC+DLT)
Property svn:eol-style set to `native`
File size: 80.0 KB

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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) 2010-2012, 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 TDecSbac.cpp
35	\brief Context-adaptive entropy decoder class
36	*/
37
38	#include "TDecSbac.h"
39
40	#if RWTH_SDC_DLT_B0036
41	#define GetNumDepthValues() (pcCU->getSlice()->getSPS()->getNumDepthValues())
42	#define GetBitsPerDepthValue() (pcCU->getSlice()->getSPS()->getBitsPerDepthValue())
43	#endif
44
45	//! \ingroup TLibDecoder
46	//! \{
47
48	//////////////////////////////////////////////////////////////////////
49	// Construction/Destruction
50	//////////////////////////////////////////////////////////////////////
51
52	TDecSbac::TDecSbac()
53	// new structure here
54	: m_pcBitstream ( 0 )
55	, m_pcTDecBinIf ( NULL )
56	, m_numContextModels ( 0 )
57	, m_cCUSplitFlagSCModel ( 1, 1, NUM_SPLIT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels )
58	, m_cCUSkipFlagSCModel ( 1, 1, NUM_SKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
59	#if LGE_ILLUCOMP_B0045
60	, m_cCUICFlagSCModel ( 1, 1, NUM_IC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
61	#endif
62	, m_cCUMergeFlagExtSCModel ( 1, 1, NUM_MERGE_FLAG_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
63	, m_cCUMergeIdxExtSCModel ( 1, 1, NUM_MERGE_IDX_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
64	#if HHI_INTER_VIEW_RESIDUAL_PRED
65	, m_cResPredFlagSCModel ( 1, 1, NUM_RES_PRED_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
66	#endif
67	, m_cCUPartSizeSCModel ( 1, 1, NUM_PART_SIZE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
68	, m_cCUPredModeSCModel ( 1, 1, NUM_PRED_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
69	, m_cCUAlfCtrlFlagSCModel ( 1, 1, NUM_ALF_CTRL_FLAG_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_cALFFlagSCModel ( 1, 1, NUM_ALF_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
87	, m_cALFUvlcSCModel ( 1, 1, NUM_ALF_UVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
88	, m_cALFSvlcSCModel ( 1, 1, NUM_ALF_SVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
89	#if AMP_CTX
90	, m_cCUAMPSCModel ( 1, 1, NUM_CU_AMP_CTX , m_contextModels + m_numContextModels, m_numContextModels)
91	#else
92	, m_cCUXPosiSCModel ( 1, 1, NUM_CU_X_POS_CTX , m_contextModels + m_numContextModels, m_numContextModels)
93	, m_cCUYPosiSCModel ( 1, 1, NUM_CU_Y_POS_CTX , m_contextModels + m_numContextModels, m_numContextModels)
94	#endif
95	, m_cSaoFlagSCModel ( 1, 1, NUM_SAO_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
96	, m_cSaoUvlcSCModel ( 1, 1, NUM_SAO_UVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
97	, m_cSaoSvlcSCModel ( 1, 1, NUM_SAO_SVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
98	#if SAO_UNIT_INTERLEAVING
99	, m_cSaoMergeLeftSCModel ( 1, 1, NUM_SAO_MERGE_LEFT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
100	, m_cSaoMergeUpSCModel ( 1, 1, NUM_SAO_MERGE_UP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
101	, m_cSaoTypeIdxSCModel ( 1, 1, NUM_SAO_TYPE_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
102	#endif
103	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
104	, m_cDmmFlagSCModel ( 1, 1, NUM_DMM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
105	, m_cDmmModeSCModel ( 1, 1, NUM_DMM_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
106	, m_cDmmDataSCModel ( 1, 1, NUM_DMM_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
107	#endif
108	#if LGE_EDGE_INTRA
109	, m_cEdgeIntraSCModel ( 1, 1, NUM_EDGE_INTRA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
110	#if LGE_EDGE_INTRA_DELTA_DC
111	, m_cEdgeIntraDeltaDCSCModel ( 1, 1, NUM_EDGE_INTRA_DELTA_DC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
112	#endif
113	#endif
114	#if RWTH_SDC_DLT_B0036
115	, m_cSDCFlagSCModel ( 1, 1, SDC_NUM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
116	, m_cSDCResidualFlagSCModel ( 1, 2, SDC_NUM_RESIDUAL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
117	, m_cSDCResidualSignFlagSCModel ( 1, 2, SDC_NUM_SIGN_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
118	, m_cSDCResidualSCModel ( 1, 2, SDC_NUM_RESIDUAL_CTX , m_contextModels + m_numContextModels, m_numContextModels)
119	, m_cSDCPredModeSCModel ( 1, 3, SDC_NUM_PRED_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
120	#endif
121	{
122	assert( m_numContextModels <= MAX_NUM_CTX_MOD );
123	m_iSliceGranularity = 0;
124	}
125
126	TDecSbac::~TDecSbac()
127	{
128	}
129
130	// ====================================================================================================================
131	// Public member functions
132	// ====================================================================================================================
133
134	#if CABAC_INIT_FLAG
135	Void TDecSbac::resetEntropy(TComSlice* pSlice)
136	{
137	SliceType sliceType = pSlice->getSliceType();
138	Int qp = pSlice->getSliceQp();
139
140	if (pSlice->getPPS()->getCabacInitPresentFlag() && pSlice->getCabacInitFlag())
141	{
142	switch (sliceType)
143	{
144	case P_SLICE: // change initialization table to B_SLICE initialization
145	sliceType = B_SLICE;
146	break;
147	case B_SLICE: // change initialization table to P_SLICE initialization
148	sliceType = P_SLICE;
149	break;
150	default : // should not occur
151	assert(0);
152	}
153	}
154
155	#else
156	Void TDecSbac::resetEntropywithQPandInitIDC (Int qp, Int iID)
157	{
158	SliceType sliceType = (SliceType)iID;
159	#endif
160
161	m_cCUSplitFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SPLIT_FLAG );
162	m_cCUSkipFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SKIP_FLAG );
163	#if LGE_ILLUCOMP_B0045
164	m_cCUICFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_IC_FLAG );
165	#endif
166	m_cCUMergeFlagExtSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT );
167	m_cCUMergeIdxExtSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MERGE_IDX_EXT );
168	#if HHI_INTER_VIEW_RESIDUAL_PRED
169	m_cResPredFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_RES_PRED_FLAG );
170	#endif
171	m_cCUAlfCtrlFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_CTRL_FLAG );
172	m_cCUPartSizeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_PART_SIZE );
173	#if AMP_CTX
174	m_cCUAMPSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CU_AMP_POS );
175	#else
176	m_cCUXPosiSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CU_X_POS );
177	m_cCUYPosiSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CU_Y_POS );
178	#endif
179	m_cCUPredModeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_PRED_MODE );
180	m_cCUIntraPredSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_INTRA_PRED_MODE );
181	m_cCUChromaPredSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE );
182	m_cCUInterDirSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_INTER_DIR );
183	m_cCUMvdSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MVD );
184	m_cCURefPicSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_REF_PIC );
185	m_cCUDeltaQpSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DQP );
186	m_cCUQtCbfSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_QT_CBF );
187	m_cCUQtRootCbfSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_QT_ROOT_CBF );
188	m_cCUSigCoeffGroupSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SIG_CG_FLAG );
189	m_cCUSigSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SIG_FLAG );
190	m_cCuCtxLastX.initBuffer ( sliceType, qp, (UChar*)INIT_LAST );
191	m_cCuCtxLastY.initBuffer ( sliceType, qp, (UChar*)INIT_LAST );
192	m_cCUOneSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ONE_FLAG );
193	m_cCUAbsSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ABS_FLAG );
194	m_cMVPIdxSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MVP_IDX );
195	m_cALFFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_FLAG );
196	m_cALFUvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_UVLC );
197	m_cALFSvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_SVLC );
198	m_cSaoFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_FLAG );
199	m_cSaoUvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_UVLC );
200	m_cSaoSvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_SVLC );
201	#if SAO_UNIT_INTERLEAVING
202	m_cSaoMergeLeftSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG );
203	m_cSaoMergeUpSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_MERGE_UP_FLAG );
204	m_cSaoTypeIdxSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_TYPE_IDX );
205	#endif
206
207	m_cCUTransSubdivFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
208	#if LGE_EDGE_INTRA
209	m_cEdgeIntraSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_EDGE_INTRA );
210	#if LGE_EDGE_INTRA_DELTA_DC
211	m_cEdgeIntraDeltaDCSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_EDGE_INTRA_DELTA_DC );
212	#endif
213	#endif
214	m_uiLastDQpNonZero = 0;
215	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
216	m_cDmmFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DMM_FLAG );
217	m_cDmmModeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DMM_MODE );
218	m_cDmmDataSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DMM_DATA );
219	#endif
220	#if RWTH_SDC_DLT_B0036
221	m_cSDCFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SDC_FLAG );
222	m_cSDCResidualFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
223	m_cSDCResidualSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SDC_RESIDUAL );
224	m_cSDCResidualSignFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SDC_SIGN_FLAG );
225	m_cSDCPredModeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SDC_PRED_MODE );
226	#endif
227
228	// new structure
229	m_uiLastQp = qp;
230
231	m_pcTDecBinIf->start();
232	}
233
234	/** The function does the following: Read out terminate bit. Flush CABAC. Byte-align for next tile.
235	* Intialize CABAC states. Start CABAC.
236	*/
237	Void TDecSbac::updateContextTables( SliceType eSliceType, Int iQp )
238	{
239	UInt uiBit;
240	m_pcTDecBinIf->decodeBinTrm(uiBit);
241	m_pcTDecBinIf->finish();
242	#if !OL_FLUSH_ALIGN
243	// Account for misaligned CABAC.
244	Int iCABACReadAhead = m_pcTDecBinIf->getBitsReadAhead();
245	iCABACReadAhead--;
246	Int iStreamBits = 8-m_pcBitstream->getNumBitsUntilByteAligned();
247	if (iCABACReadAhead >= iStreamBits)
248	{
249	// Misaligned CABAC has read into the 1st byte of the next tile.
250	// Back up a byte prior to alignment.
251	m_pcBitstream->backupByte();
252	}
253	#endif
254	m_pcBitstream->readOutTrailingBits();
255	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
256	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
257	#if LGE_ILLUCOMP_B0045
258	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
259	#endif
260	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT );
261	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT );
262	#if HHI_INTER_VIEW_RESIDUAL_PRED
263	m_cResPredFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_RES_PRED_FLAG );
264	#endif
265	m_cCUAlfCtrlFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_CTRL_FLAG );
266	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
267	#if AMP_CTX
268	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
269	#else
270	m_cCUXPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_X_POS );
271	m_cCUYPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_Y_POS );
272	#endif
273	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
274	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
275	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
276	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
277	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
278	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
279	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
280	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
281	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
282	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
283	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
284	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
285	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
286	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
287	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
288	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
289	m_cALFFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_FLAG );
290	m_cALFUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_UVLC );
291	m_cALFSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_SVLC );
292	m_cSaoFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_FLAG );
293	m_cSaoUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_UVLC );
294	m_cSaoSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_SVLC );
295	#if SAO_UNIT_INTERLEAVING
296	m_cSaoMergeLeftSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG );
297	m_cSaoMergeUpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_UP_FLAG );
298	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
299	#endif
300	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
301	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
302	m_cDmmFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_FLAG );
303	m_cDmmModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_MODE );
304	m_cDmmDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_DATA );
305	#endif
306	#if RWTH_SDC_DLT_B0036
307	m_cSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_FLAG );
308	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
309	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
310	m_cSDCResidualSignFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_SIGN_FLAG );
311	m_cSDCPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_PRED_MODE );
312	#endif
313
314	m_pcTDecBinIf->start();
315	}
316
317	Void TDecSbac::readTileMarker( UInt& uiTileIdx, UInt uiBitsUsed )
318	{
319	UInt uiSymbol;
320	uiTileIdx = 0;
321	for (Int iShift=uiBitsUsed-1; iShift>=0; iShift--)
322	{
323	m_pcTDecBinIf->decodeBinEP ( uiSymbol );
324	if (uiSymbol)
325	{
326	uiTileIdx \|= (1<<iShift);
327	}
328	}
329	}
330
331	Void TDecSbac::parseTerminatingBit( UInt& ruiBit )
332	{
333	m_pcTDecBinIf->decodeBinTrm( ruiBit );
334	}
335
336
337	Void TDecSbac::xReadUnaryMaxSymbol( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol )
338	{
339	if (uiMaxSymbol == 0)
340	{
341	ruiSymbol = 0;
342	return;
343	}
344
345	m_pcTDecBinIf->decodeBin( ruiSymbol, pcSCModel[0] );
346
347	if( ruiSymbol == 0 \|\| uiMaxSymbol == 1 )
348	{
349	return;
350	}
351
352	UInt uiSymbol = 0;
353	UInt uiCont;
354
355	do
356	{
357	m_pcTDecBinIf->decodeBin( uiCont, pcSCModel[ iOffset ] );
358	uiSymbol++;
359	}
360	while( uiCont && ( uiSymbol < uiMaxSymbol - 1 ) );
361
362	if( uiCont && ( uiSymbol == uiMaxSymbol - 1 ) )
363	{
364	uiSymbol++;
365	}
366
367	ruiSymbol = uiSymbol;
368	}
369
370	Void TDecSbac::xReadEpExGolomb( UInt& ruiSymbol, UInt uiCount )
371	{
372	UInt uiSymbol = 0;
373	UInt uiBit = 1;
374
375	while( uiBit )
376	{
377	m_pcTDecBinIf->decodeBinEP( uiBit );
378	uiSymbol += uiBit << uiCount++;
379	}
380
381	if ( --uiCount )
382	{
383	UInt bins;
384	m_pcTDecBinIf->decodeBinsEP( bins, uiCount );
385	uiSymbol += bins;
386	}
387
388	ruiSymbol = uiSymbol;
389	}
390
391	Void TDecSbac::xReadUnarySymbol( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset )
392	{
393	m_pcTDecBinIf->decodeBin( ruiSymbol, pcSCModel[0] );
394
395	if( !ruiSymbol )
396	{
397	return;
398	}
399
400	UInt uiSymbol = 0;
401	UInt uiCont;
402
403	do
404	{
405	m_pcTDecBinIf->decodeBin( uiCont, pcSCModel[ iOffset ] );
406	uiSymbol++;
407	}
408	while( uiCont );
409
410	ruiSymbol = uiSymbol;
411	}
412
413	/** Parsing of coeff_abs_level_minus3
414	* \param ruiSymbol reference to coeff_abs_level_minus3
415	* \param ruiGoRiceParam reference to Rice parameter
416	* \returns Void
417	*/
418	Void TDecSbac::xReadGoRiceExGolomb( UInt &ruiSymbol, UInt &ruiGoRiceParam )
419	{
420	Bool bExGolomb = false;
421	UInt uiCodeWord = 0;
422	UInt uiQuotient = 0;
423	UInt uiRemainder = 0;
424	UInt uiMaxVlc = g_auiGoRiceRange[ ruiGoRiceParam ];
425	UInt uiMaxPreLen = g_auiGoRicePrefixLen[ ruiGoRiceParam ];
426
427	do
428	{
429	uiQuotient++;
430	m_pcTDecBinIf->decodeBinEP( uiCodeWord );
431	}
432	while( uiCodeWord && uiQuotient < uiMaxPreLen );
433
434	uiCodeWord = 1 - uiCodeWord;
435	uiQuotient -= uiCodeWord;
436
437	if ( ruiGoRiceParam > 0 )
438	{
439	m_pcTDecBinIf->decodeBinsEP( uiRemainder, ruiGoRiceParam );
440	}
441
442	ruiSymbol = uiRemainder + ( uiQuotient << ruiGoRiceParam );
443	bExGolomb = ruiSymbol == ( uiMaxVlc + 1 );
444
445	if( bExGolomb )
446	{
447	xReadEpExGolomb( uiCodeWord, 0 );
448	ruiSymbol += uiCodeWord;
449	}
450
451	#if EIGHT_BITS_RICE_CODE
452	ruiGoRiceParam = g_aauiGoRiceUpdate[ ruiGoRiceParam ][ min<UInt>( ruiSymbol, 23 ) ];
453	#else
454	ruiGoRiceParam = g_aauiGoRiceUpdate[ ruiGoRiceParam ][ min<UInt>( ruiSymbol, 15 ) ];
455	#endif
456
457	return;
458	}
459
460
461	/** Parse I_PCM information.
462	* \param pcCU
463	* \param uiAbsPartIdx
464	* \param uiDepth
465	* \returns Void
466	*
467	* If I_PCM flag indicates that the CU is I_PCM, parse its PCM alignment bits and codes.
468	*/
469	Void TDecSbac::parseIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
470	{
471	UInt uiSymbol;
472	#if BURST_IPCM
473	Int numSubseqIPCM = 0;
474	Bool readPCMSampleFlag = false;
475
476	if(pcCU->getNumSucIPCM() > 0)
477	{
478	readPCMSampleFlag = true;
479	}
480	else
481	{
482	m_pcTDecBinIf->decodeBinTrm(uiSymbol);
483
484	if (uiSymbol)
485	{
486	readPCMSampleFlag = true;
487	m_pcTDecBinIf->decodeNumSubseqIPCM(numSubseqIPCM);
488	pcCU->setNumSucIPCM(numSubseqIPCM + 1);
489	m_pcTDecBinIf->decodePCMAlignBits();
490	}
491	}
492	#else
493	m_pcTDecBinIf->decodeBinTrm(uiSymbol);
494	#endif
495
496	#if BURST_IPCM
497	if (readPCMSampleFlag == true)
498	#else
499	if (uiSymbol)
500	#endif
501	{
502	Bool bIpcmFlag = true;
503
504	#if !BURST_IPCM
505	m_pcTDecBinIf->decodePCMAlignBits();
506	#endif
507
508	pcCU->setPartSizeSubParts ( SIZE_2Nx2N, uiAbsPartIdx, uiDepth );
509	pcCU->setSizeSubParts ( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth );
510	pcCU->setIPCMFlagSubParts ( bIpcmFlag, uiAbsPartIdx, uiDepth );
511
512	UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight();
513	UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx;
514	UInt uiChromaOffset = uiLumaOffset>>2;
515
516	Pel* piPCMSample;
517	UInt uiWidth;
518	UInt uiHeight;
519	UInt uiSampleBits;
520	UInt uiX, uiY;
521
522	piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset;
523	uiWidth = pcCU->getWidth(uiAbsPartIdx);
524	uiHeight = pcCU->getHeight(uiAbsPartIdx);
525	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma();
526
527	for(uiY = 0; uiY < uiHeight; uiY++)
528	{
529	for(uiX = 0; uiX < uiWidth; uiX++)
530	{
531	UInt uiSample;
532	m_pcTDecBinIf->xReadPCMCode(uiSampleBits, uiSample);
533	piPCMSample[uiX] = uiSample;
534	}
535	piPCMSample += uiWidth;
536	}
537
538	piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset;
539	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
540	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
541	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
542
543	for(uiY = 0; uiY < uiHeight; uiY++)
544	{
545	for(uiX = 0; uiX < uiWidth; uiX++)
546	{
547	UInt uiSample;
548	m_pcTDecBinIf->xReadPCMCode(uiSampleBits, uiSample);
549	piPCMSample[uiX] = uiSample;
550	}
551	piPCMSample += uiWidth;
552	}
553
554	piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset;
555	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
556	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
557	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
558
559	for(uiY = 0; uiY < uiHeight; uiY++)
560	{
561	for(uiX = 0; uiX < uiWidth; uiX++)
562	{
563	UInt uiSample;
564	m_pcTDecBinIf->xReadPCMCode(uiSampleBits, uiSample);
565	piPCMSample[uiX] = uiSample;
566	}
567	piPCMSample += uiWidth;
568	}
569
570	#if BURST_IPCM
571	pcCU->setNumSucIPCM( pcCU->getNumSucIPCM() - 1);
572	if(pcCU->getNumSucIPCM() == 0)
573	{
574	m_pcTDecBinIf->resetBac();
575	}
576	#else
577	m_pcTDecBinIf->resetBac();
578	#endif
579	}
580	}
581
582	/** parse skip flag
583	* \param pcCU
584	* \param uiAbsPartIdx
585	* \param uiDepth
586	* \returns Void
587	*/
588	Void TDecSbac::parseSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
589	{
590	if( pcCU->getSlice()->isIntra() )
591	{
592	return;
593	}
594
595	UInt uiSymbol = 0;
596	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx );
597	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
598	DTRACE_CABAC_VL( g_nSymbolCounter++ );
599	DTRACE_CABAC_T( "\tSkipFlag" );
600	DTRACE_CABAC_T( "\tuiCtxSkip: ");
601	DTRACE_CABAC_V( uiCtxSkip );
602	DTRACE_CABAC_T( "\tuiSymbol: ");
603	DTRACE_CABAC_V( uiSymbol );
604	DTRACE_CABAC_T( "\n");
605
606	if( uiSymbol )
607	{
608	pcCU->setPredModeSubParts( MODE_SKIP, uiAbsPartIdx, uiDepth );
609	pcCU->setPartSizeSubParts( SIZE_2Nx2N, uiAbsPartIdx, uiDepth );
610	pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth );
611	pcCU->setMergeFlagSubParts( true , uiAbsPartIdx, 0, uiDepth );
612	}
613	}
614
615	#if LGE_ILLUCOMP_B0045
616	/** parse illumination compensation flag
617	* \param pcCU
618	* \param uiAbsPartIdx
619	* \param uiDepth
620	* \returns Void
621	*/
622	Void TDecSbac::parseICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
623	{
624	UInt uiSymbol = 0;
625	UInt uiCtxIC = pcCU->getCtxICFlag( uiAbsPartIdx );
626	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUICFlagSCModel.get( 0, 0, uiCtxIC ) );
627	DTRACE_CABAC_VL( g_nSymbolCounter++ );
628	DTRACE_CABAC_T( "\tICFlag" );
629	DTRACE_CABAC_T( "\tuiCtxIC: ");
630	DTRACE_CABAC_V( uiCtxIC );
631	DTRACE_CABAC_T( "\tuiSymbol: ");
632	DTRACE_CABAC_V( uiSymbol );
633	DTRACE_CABAC_T( "\n");
634
635	pcCU->setICFlagSubParts( uiSymbol ? true : false , uiAbsPartIdx, 0, uiDepth );
636	}
637	#endif
638
639
640	/** parse merge flag
641	* \param pcCU
642	* \param uiAbsPartIdx
643	* \param uiDepth
644	* \param uiPUIdx
645	* \returns Void
646	*/
647	Void TDecSbac::parseMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx )
648	{
649	UInt uiSymbol;
650	m_pcTDecBinIf->decodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
651	pcCU->setMergeFlagSubParts( uiSymbol ? true : false, uiAbsPartIdx, uiPUIdx, uiDepth );
652
653	DTRACE_CABAC_VL( g_nSymbolCounter++ );
654	DTRACE_CABAC_T( "\tMergeFlag: " );
655	DTRACE_CABAC_V( uiSymbol );
656	DTRACE_CABAC_T( "\tAddress: " );
657	DTRACE_CABAC_V( pcCU->getAddr() );
658	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
659	DTRACE_CABAC_V( uiAbsPartIdx );
660	DTRACE_CABAC_T( "\n" );
661	}
662
663	Void TDecSbac::parseMergeIndex ( TComDataCU* pcCU, UInt& ruiMergeIndex, UInt uiAbsPartIdx, UInt uiDepth )
664	{
665	UInt uiNumCand = MRG_MAX_NUM_CANDS;
666	#if !MRG_IDX_CTX_RED
667	UInt auiCtx[4] = { 0, 1, 2, 3 };
668	#endif
669	UInt uiUnaryIdx = 0;
670	uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
671	#if HHI_MPI
672	const Bool bMVIAvailable = pcCU->getSlice()->getSPS()->getUseMVI() && pcCU->getSlice()->getSliceType() != I_SLICE;
673	const UInt uiMviMergePos = bMVIAvailable ? HHI_MPI_MERGE_POS : uiNumCand;
674	#endif
675	if ( uiNumCand > 1 )
676	{
677	for( ; uiUnaryIdx < uiNumCand - 1; ++uiUnaryIdx )
678	{
679	UInt uiSymbol = 0;
680	#if MRG_IDX_CTX_RED
681	if ( uiUnaryIdx==0 )
682	{
683	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
684	}
685	else
686	{
687	m_pcTDecBinIf->decodeBinEP( uiSymbol );
688	}
689	#else
690	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, auiCtx[uiUnaryIdx] ) );
691	#endif
692	if( uiSymbol == 0 )
693	{
694	break;
695	}
696	}
697	}
698	ruiMergeIndex = uiUnaryIdx;
699
700	DTRACE_CABAC_VL( g_nSymbolCounter++ )
701	DTRACE_CABAC_T( "\tparseMergeIndex()" )
702	DTRACE_CABAC_T( "\tuiMRGIdx= " )
703	DTRACE_CABAC_V( ruiMergeIndex )
704	DTRACE_CABAC_T( "\n" )
705	#if HHI_MPI
706	if( ruiMergeIndex > uiMviMergePos )
707	{
708	assert( bMVIAvailable );
709	ruiMergeIndex--;
710	}
711	else if( ruiMergeIndex == uiMviMergePos )
712	{
713	assert( bMVIAvailable );
714	pcCU->setTextureModeDepthSubParts( uiDepth, uiAbsPartIdx, uiDepth );
715	}
716	#endif
717	}
718
719	#if HHI_INTER_VIEW_RESIDUAL_PRED
720	Void
721	TDecSbac::parseResPredFlag( TComDataCU* pcCU, Bool& rbResPredFlag, UInt uiAbsPartIdx, UInt uiDepth )
722	{
723	UInt uiCtx = pcCU->getCtxResPredFlag( uiAbsPartIdx );
724	UInt uiSymbol = 0;
725	m_pcTDecBinIf->decodeBin( uiSymbol, m_cResPredFlagSCModel.get( 0, 0, uiCtx ) );
726	rbResPredFlag = ( uiSymbol != 0 );
727	}
728	#endif
729
730	#if HHI_INTER_VIEW_MOTION_PRED
731	Void TDecSbac::parseMVPIdx ( Int& riMVPIdx, Int iNumAMVPCands )
732	{
733	UInt uiSymbol;
734	xReadUnaryMaxSymbol(uiSymbol, m_cMVPIdxSCModel.get(0), 1, iNumAMVPCands-1);
735	riMVPIdx = uiSymbol;
736	}
737	#else
738	Void TDecSbac::parseMVPIdx ( Int& riMVPIdx )
739	{
740	UInt uiSymbol;
741	xReadUnaryMaxSymbol(uiSymbol, m_cMVPIdxSCModel.get(0), 1, AMVP_MAX_NUM_CANDS-1);
742	riMVPIdx = uiSymbol;
743	}
744	#endif
745
746	Void TDecSbac::parseSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
747	{
748	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
749	{
750	pcCU->setDepthSubParts( uiDepth, uiAbsPartIdx );
751	return;
752	}
753
754	UInt uiSymbol;
755	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSplitFlagSCModel.get( 0, 0, pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth ) ) );
756	DTRACE_CABAC_VL( g_nSymbolCounter++ )
757	DTRACE_CABAC_T( "\tSplitFlag\n" )
758	pcCU->setDepthSubParts( uiDepth + uiSymbol, uiAbsPartIdx );
759
760	return;
761	}
762
763	/** parse partition size
764	* \param pcCU
765	* \param uiAbsPartIdx
766	* \param uiDepth
767	* \returns Void
768	*/
769	Void TDecSbac::parsePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
770	{
771	UInt uiSymbol, uiMode = 0;
772	PartSize eMode;
773
774	if ( pcCU->isIntra( uiAbsPartIdx ) )
775	{
776	uiSymbol = 1;
777	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
778	{
779	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, 0) );
780	}
781	eMode = uiSymbol ? SIZE_2Nx2N : SIZE_NxN;
782	UInt uiTrLevel = 0;
783	UInt uiWidthInBit = g_aucConvertToBit[pcCU->getWidth(uiAbsPartIdx)]+2;
784	UInt uiTrSizeInBit = g_aucConvertToBit[pcCU->getSlice()->getSPS()->getMaxTrSize()]+2;
785	uiTrLevel = uiWidthInBit >= uiTrSizeInBit ? uiWidthInBit - uiTrSizeInBit : 0;
786	if( eMode == SIZE_NxN )
787	{
788	pcCU->setTrIdxSubParts( 1+uiTrLevel, uiAbsPartIdx, uiDepth );
789	}
790	else
791	{
792	pcCU->setTrIdxSubParts( uiTrLevel, uiAbsPartIdx, uiDepth );
793	}
794	}
795	else
796	{
797	UInt uiMaxNumBits = 2;
798	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getSlice()->getSPS()->getDisInter4x4() && (g_uiMaxCUWidth>>uiDepth) == 8 && (g_uiMaxCUHeight>>uiDepth) == 8 ) )
799	{
800	uiMaxNumBits ++;
801	}
802	for ( UInt ui = 0; ui < uiMaxNumBits; ui++ )
803	{
804	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, ui) );
805	if ( uiSymbol )
806	{
807	break;
808	}
809	uiMode++;
810	}
811	eMode = (PartSize) uiMode;
812	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
813	{
814	if (eMode == SIZE_2NxN)
815	{
816	#if AMP_CTX
817	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUAMPSCModel.get( 0, 0, 0 ));
818	#else
819	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUYPosiSCModel.get( 0, 0, 0 ));
820	#endif
821	if (uiSymbol == 0)
822	{
823	#if AMP_CTX
824	m_pcTDecBinIf->decodeBinEP(uiSymbol);
825	#else
826	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUYPosiSCModel.get( 0, 0, 1 ));
827	#endif
828	eMode = (uiSymbol == 0? SIZE_2NxnU : SIZE_2NxnD);
829	}
830	}
831	else if (eMode == SIZE_Nx2N)
832	{
833	#if AMP_CTX
834	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUAMPSCModel.get( 0, 0, 0 ));
835	#else
836	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUXPosiSCModel.get( 0, 0, 0 ));
837	#endif
838	if (uiSymbol == 0)
839	{
840	#if AMP_CTX
841	m_pcTDecBinIf->decodeBinEP(uiSymbol);
842	#else
843	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUXPosiSCModel.get( 0, 0, 1 ));
844	#endif
845	eMode = (uiSymbol == 0? SIZE_nLx2N : SIZE_nRx2N);
846	}
847	}
848	}
849	}
850	pcCU->setPartSizeSubParts( eMode, uiAbsPartIdx, uiDepth );
851	pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth );
852	}
853
854	/** parse prediction mode
855	* \param pcCU
856	* \param uiAbsPartIdx
857	* \param uiDepth
858	* \returns Void
859	*/
860	Void TDecSbac::parsePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
861	{
862	if( pcCU->getSlice()->isIntra() )
863	{
864	pcCU->setPredModeSubParts( MODE_INTRA, uiAbsPartIdx, uiDepth );
865	return;
866	}
867
868	UInt uiSymbol;
869	Int iPredMode = MODE_INTER;
870	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
871	iPredMode += uiSymbol;
872	pcCU->setPredModeSubParts( (PredMode)iPredMode, uiAbsPartIdx, uiDepth );
873	}
874
875	Void TDecSbac::parseIntraDirLumaAng ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
876	{
877	UInt uiSymbol;
878	Int intraPredMode;
879
880	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
881	UInt uiFlag = 0;
882	if( pcCU->getSlice()->getSPS()->getUseDMM() && (g_uiMaxCUWidth>>uiDepth) <= DMM_WEDGEMODEL_MAX_SIZE )
883	{
884	m_pcTDecBinIf->decodeBin( uiFlag, m_cDmmFlagSCModel.get(0, 0, 0) );
885	}
886	if( uiFlag )
887	{
888	UInt uiDMMode;
889
890	#if HHI_DMM_WEDGE_INTRA && HHI_DMM_PRED_TEX
891	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode = uiSymbol;
892	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode \|= uiSymbol << 1;
893	if ( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && g_uiMaxCUWidth>>uiDepth > 4 )
894	{
895	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode \|= uiSymbol << 2;
896	}
897	#else
898	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode = uiSymbol;
899	if ( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && g_uiMaxCUWidth>>uiDepth > 4 )
900	{
901	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode \|= uiSymbol << 1;
902	}
903	#endif
904	intraPredMode = uiDMMode + NUM_INTRA_MODE;
905
906	#if HHI_DMM_WEDGE_INTRA
907	if( intraPredMode == DMM_WEDGE_FULL_IDX ) { xParseWedgeFullInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
908	if( intraPredMode == DMM_WEDGE_FULL_D_IDX ) { xParseWedgeFullDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
909	if( intraPredMode == DMM_WEDGE_PREDDIR_IDX ) { xParseWedgePredDirInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
910	if( intraPredMode == DMM_WEDGE_PREDDIR_D_IDX ) { xParseWedgePredDirDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
911	#endif
912	#if HHI_DMM_PRED_TEX
913	if( intraPredMode == DMM_WEDGE_PREDTEX_D_IDX ) { xParseWedgePredTexDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
914	if( intraPredMode == DMM_CONTOUR_PREDTEX_D_IDX ) { xParseContourPredTexDeltaInfo( pcCU, uiAbsPartIdx, uiDepth ); }
915	#endif
916	}
917	else
918	{
919	#endif
920	#if !LOGI_INTRA_NAME_3MPM
921	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
922	#endif
923
924	#if LGE_EDGE_INTRA
925	Bool bCodeEdgeIntra = false;
926	if( pcCU->getSlice()->getSPS()->isDepth() )
927	{
928	UInt uiPUWidth = pcCU->getWidth( uiAbsPartIdx ) >> (pcCU->getPartitionSize( uiAbsPartIdx ) == SIZE_NxN ? 1 : 0);
929	if( uiPUWidth <= LGE_EDGE_INTRA_MAX_SIZE && uiPUWidth >= LGE_EDGE_INTRA_MIN_SIZE )
930	bCodeEdgeIntra = true;
931	}
932	#endif
933
934	#if LOGI_INTRA_NAME_3MPM
935	Int uiPreds[3] = {-1, -1, -1};
936	#else
937	Int uiPreds[2] = {-1, -1};
938	#endif
939	Int uiPredNum = pcCU->getIntraDirLumaPredictor(uiAbsPartIdx, uiPreds);
940	#if LGE_EDGE_INTRA
941	UInt uiCheckBit = 0;
942	#endif
943
944	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 0) );
945
946	if ( uiSymbol )
947	{
948	m_pcTDecBinIf->decodeBinEP( uiSymbol );
949	#if LOGI_INTRA_NAME_3MPM
950	if (uiSymbol)
951	{
952	m_pcTDecBinIf->decodeBinEP( uiSymbol );
953	uiSymbol++;
954	}
955	#endif
956	intraPredMode = uiPreds[uiSymbol];
957	}
958	else
959	{
960	intraPredMode = 0;
961
962	#if LOGI_INTRA_NAME_3MPM
963
964	m_pcTDecBinIf->decodeBinsEP( uiSymbol, 5 );
965	#if LGE_EDGE_INTRA
966	if (bCodeEdgeIntra)
967	{
968	if (uiSymbol==31)
969	{
970	m_pcTDecBinIf->decodeBinsEP(uiCheckBit,1);
971	if (uiCheckBit)
972	uiSymbol = EDGE_INTRA_IDX;
973	}
974	}
975	#endif
976	intraPredMode = uiSymbol;
977
978	//postponed sorting of MPMs (only in remaining branch)
979	if (uiPreds[0] > uiPreds[1])
980	{
981	std::swap(uiPreds[0], uiPreds[1]);
982	}
983	if (uiPreds[0] > uiPreds[2])
984	{
985	std::swap(uiPreds[0], uiPreds[2]);
986	}
987	if (uiPreds[1] > uiPreds[2])
988	{
989	std::swap(uiPreds[1], uiPreds[2]);
990	}
991	#else
992	m_pcTDecBinIf->decodeBinsEP( uiSymbol, g_aucIntraModeBitsAng[iIntraIdx] - 1 );
993	intraPredMode = uiSymbol;
994
995	if ( intraPredMode == 31 )
996	{
997	m_pcTDecBinIf->decodeBinEP( uiSymbol );
998	intraPredMode += uiSymbol;
999	}
1000	#endif
1001	#if LGE_EDGE_INTRA
1002	if ( intraPredMode != EDGE_INTRA_IDX)
1003	{
1004	#endif
1005	for ( Int i = 0; i < uiPredNum; i++ )
1006	{
1007	intraPredMode += ( intraPredMode >= uiPreds[i] );
1008	}
1009	#if LGE_EDGE_INTRA
1010	}
1011	#endif
1012	}
1013
1014	#if LGE_EDGE_INTRA
1015	if( intraPredMode == EDGE_INTRA_IDX )
1016	{
1017	xParseEdgeIntraInfo( pcCU, uiAbsPartIdx, uiDepth );
1018	#if LGE_EDGE_INTRA_DELTA_DC
1019	m_pcTDecBinIf->decodeBin( uiSymbol, m_cEdgeIntraDeltaDCSCModel.get(0, 0, 0) );
1020	if( uiSymbol )
1021	{
1022	intraPredMode = EDGE_INTRA_DELTA_IDX;
1023	Int iDeltaDC0;
1024	Int iDeltaDC1;
1025
1026	xReadExGolombLevel( (UInt &) iDeltaDC0, m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
1027	if( iDeltaDC0 != 0 )
1028	{
1029	UInt uiSign;
1030	m_pcTDecBinIf->decodeBinEP( uiSign );
1031	if ( uiSign )
1032	{
1033	iDeltaDC0 = -iDeltaDC0;
1034	}
1035	}
1036	xReadExGolombLevel( (UInt &) iDeltaDC1, m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
1037	if( iDeltaDC1 != 0 )
1038	{
1039	UInt uiSign;
1040	m_pcTDecBinIf->decodeBinEP( uiSign );
1041	if ( uiSign )
1042	{
1043	iDeltaDC1 = -iDeltaDC1;
1044	}
1045	}
1046
1047	pcCU->setEdgeDeltaDC0( uiAbsPartIdx, iDeltaDC0 );
1048	pcCU->setEdgeDeltaDC1( uiAbsPartIdx, iDeltaDC1 );
1049	}
1050	#endif
1051	}
1052	#endif
1053
1054	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
1055	}
1056	#endif
1057
1058	pcCU->setLumaIntraDirSubParts( (UChar)intraPredMode, uiAbsPartIdx, uiDepth );
1059	}
1060
1061	Void TDecSbac::parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
1062	{
1063	UInt uiSymbol;
1064
1065	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1066
1067	if( uiSymbol == 0 )
1068	{
1069	uiSymbol = DM_CHROMA_IDX;
1070	}
1071	else
1072	{
1073	if( pcCU->getSlice()->getSPS()->getUseLMChroma() )
1074	{
1075	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUChromaPredSCModel.get( 0, 0, 1 ) );
1076	}
1077	else
1078	{
1079	uiSymbol = 1;
1080	}
1081
1082	if( uiSymbol == 0 )
1083	{
1084	uiSymbol = LM_CHROMA_IDX;
1085	}
1086	else
1087	{
1088	UInt uiIPredMode;
1089	#if CHROMA_MODE_CODING
1090	m_pcTDecBinIf->decodeBinsEP( uiIPredMode, 2 );
1091	#else
1092	xReadUnaryMaxSymbol( uiIPredMode, m_cCUChromaPredSCModel.get( 0, 0 ) + 1, 0, 3 );
1093	#endif
1094	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1095	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1096	uiSymbol = uiAllowedChromaDir[ uiIPredMode ];
1097	}
1098	}
1099	pcCU->setChromIntraDirSubParts( uiSymbol, uiAbsPartIdx, uiDepth );
1100	return;
1101	}
1102
1103	Void TDecSbac::parseInterDir( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx, UInt uiDepth )
1104	{
1105	UInt uiSymbol;
1106	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1107	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1108	m_pcTDecBinIf->decodeBin( uiSymbol, *( pCtx + uiCtx ) );
1109
1110	if( uiSymbol )
1111	{
1112	uiSymbol = 2;
1113	}
1114
1115	uiSymbol++;
1116	ruiInterDir = uiSymbol;
1117	return;
1118	}
1119
1120	Void TDecSbac::parseRefFrmIdx( TComDataCU* pcCU, Int& riRefFrmIdx, UInt uiAbsPartIdx, UInt uiDepth, RefPicList eRefList )
1121	{
1122	UInt uiSymbol;
1123
1124	if(pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C ) > 0 && eRefList==REF_PIC_LIST_C)
1125	{
1126	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1127	m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx );
1128
1129	if( uiSymbol )
1130	{
1131	xReadUnaryMaxSymbol( uiSymbol, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_C )-2 );
1132	uiSymbol++;
1133	}
1134	riRefFrmIdx = uiSymbol;
1135	}
1136	else
1137	{
1138	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1139	m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx );
1140
1141	if( uiSymbol )
1142	{
1143	xReadUnaryMaxSymbol( uiSymbol, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( eRefList )-2 );
1144	uiSymbol++;
1145	}
1146	riRefFrmIdx = uiSymbol;
1147	}
1148
1149	return;
1150	}
1151
1152	Void TDecSbac::parseMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList )
1153	{
1154	UInt uiSymbol;
1155	UInt uiHorAbs;
1156	UInt uiVerAbs;
1157	UInt uiHorSign = 0;
1158	UInt uiVerSign = 0;
1159	ContextModel *pCtx = m_cCUMvdSCModel.get( 0 );
1160
1161	#if H0111_MVD_L1_ZERO
1162	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1163	{
1164	uiHorAbs=0;
1165	uiVerAbs=0;
1166	}
1167	else
1168	{
1169	#endif
1170
1171	m_pcTDecBinIf->decodeBin( uiHorAbs, *pCtx );
1172	m_pcTDecBinIf->decodeBin( uiVerAbs, *pCtx );
1173
1174	const Bool bHorAbsGr0 = uiHorAbs != 0;
1175	const Bool bVerAbsGr0 = uiVerAbs != 0;
1176	pCtx++;
1177
1178	if( bHorAbsGr0 )
1179	{
1180	m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx );
1181	uiHorAbs += uiSymbol;
1182	}
1183
1184	if( bVerAbsGr0 )
1185	{
1186	m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx );
1187	uiVerAbs += uiSymbol;
1188	}
1189
1190	if( bHorAbsGr0 )
1191	{
1192	if( 2 == uiHorAbs )
1193	{
1194	xReadEpExGolomb( uiSymbol, 1 );
1195	uiHorAbs += uiSymbol;
1196	}
1197
1198	m_pcTDecBinIf->decodeBinEP( uiHorSign );
1199	}
1200
1201	if( bVerAbsGr0 )
1202	{
1203	if( 2 == uiVerAbs )
1204	{
1205	xReadEpExGolomb( uiSymbol, 1 );
1206	uiVerAbs += uiSymbol;
1207	}
1208
1209	m_pcTDecBinIf->decodeBinEP( uiVerSign );
1210	}
1211
1212	#if H0111_MVD_L1_ZERO
1213	}
1214	#endif
1215
1216	const TComMv cMv( uiHorSign ? -Int( uiHorAbs ): uiHorAbs, uiVerSign ? -Int( uiVerAbs ) : uiVerAbs );
1217	pcCU->getCUMvField( eRefList )->setAllMvd( cMv, pcCU->getPartitionSize( uiAbsPartIdx ), uiAbsPartIdx, uiDepth, uiPartIdx );
1218	return;
1219	}
1220
1221
1222	Void TDecSbac::parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize )
1223	{
1224	m_pcTDecBinIf->decodeBin( ruiSubdivFlag, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiLog2TransformBlockSize ) );
1225	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1226	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
1227	DTRACE_CABAC_T( "\tsymbol=" )
1228	DTRACE_CABAC_V( ruiSubdivFlag )
1229	DTRACE_CABAC_T( "\tctx=" )
1230	DTRACE_CABAC_V( uiLog2TransformBlockSize )
1231	DTRACE_CABAC_T( "\n" )
1232	}
1233
1234	Void TDecSbac::parseQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt& uiQtRootCbf )
1235	{
1236	UInt uiSymbol;
1237	const UInt uiCtx = 0;
1238	m_pcTDecBinIf->decodeBin( uiSymbol , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1239	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1240	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1241	DTRACE_CABAC_T( "\tsymbol=" )
1242	DTRACE_CABAC_V( uiSymbol )
1243	DTRACE_CABAC_T( "\tctx=" )
1244	DTRACE_CABAC_V( uiCtx )
1245	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1246	DTRACE_CABAC_V( uiAbsPartIdx )
1247	DTRACE_CABAC_T( "\n" )
1248
1249	uiQtRootCbf = uiSymbol;
1250	}
1251
1252	Void TDecSbac::parseDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
1253	{
1254	#if H0736_AVC_STYLE_QP_RANGE
1255	Int qp;
1256	#endif
1257	UInt uiDQp;
1258	Int iDQp;
1259
1260	m_pcTDecBinIf->decodeBin( uiDQp, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) );
1261
1262	if ( uiDQp == 0 )
1263	{
1264	#if H0736_AVC_STYLE_QP_RANGE
1265	qp = pcCU->getRefQP(uiAbsPartIdx);
1266	#else
1267	uiDQp = pcCU->getRefQP(uiAbsPartIdx);
1268	#endif
1269	}
1270	else
1271	{
1272	UInt uiSign;
1273	#if H0736_AVC_STYLE_QP_RANGE
1274	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY();
1275	#else
1276	UInt uiQpBdOffsetY = 6*(g_uiBitIncrement + g_uiBitDepth - 8);
1277	#endif
1278	m_pcTDecBinIf->decodeBinEP(uiSign);
1279
1280	#if H0736_AVC_STYLE_QP_RANGE
1281	UInt uiMaxAbsDQpMinus1 = 24 + (qpBdOffsetY/2) + (uiSign);
1282	#else
1283	UInt uiMaxAbsDQpMinus1 = 24 + (uiQpBdOffsetY/2) + (uiSign);
1284	#endif
1285	UInt uiAbsDQpMinus1;
1286	xReadUnaryMaxSymbol (uiAbsDQpMinus1, &m_cCUDeltaQpSCModel.get( 0, 0, 1 ), 1, uiMaxAbsDQpMinus1);
1287
1288	iDQp = uiAbsDQpMinus1 + 1;
1289
1290	if(uiSign)
1291	{
1292	iDQp = -iDQp;
1293	}
1294
1295	#if H0736_AVC_STYLE_QP_RANGE
1296	qp = (((Int) pcCU->getRefQP( uiAbsPartIdx ) + iDQp + 52 + 2*qpBdOffsetY )%(52+qpBdOffsetY)) - qpBdOffsetY;
1297	#else
1298	#if LOSSLESS_CODING
1299	uiDQp = (pcCU->getRefQP(uiAbsPartIdx) + iDQp + 52) % 52;
1300	#else
1301	uiDQp = pcCU->getRefQP(uiAbsPartIdx) + iDQp;
1302	#endif
1303	#endif
1304	}
1305
1306	UInt uiAbsQpCUPartIdx = (uiAbsPartIdx>>(8-(pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()<<1)))<<(8-(pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()<<1)) ;
1307	UInt uiQpCUDepth = min(uiDepth,pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()) ;
1308	#if H0736_AVC_STYLE_QP_RANGE
1309	pcCU->setQPSubParts( qp, uiAbsQpCUPartIdx, uiQpCUDepth );
1310	#else
1311	pcCU->setQPSubParts( uiDQp, uiAbsQpCUPartIdx, uiQpCUDepth );
1312	#endif
1313	}
1314
1315	Void TDecSbac::parseQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth )
1316	{
1317	UInt uiSymbol;
1318	const UInt uiCtx = pcCU->getCtxQtCbf( uiAbsPartIdx, eType, uiTrDepth );
1319	m_pcTDecBinIf->decodeBin( uiSymbol , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA: eType, uiCtx ) );
1320
1321	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1322	DTRACE_CABAC_T( "\tparseQtCbf()" )
1323	DTRACE_CABAC_T( "\tsymbol=" )
1324	DTRACE_CABAC_V( uiSymbol )
1325	DTRACE_CABAC_T( "\tctx=" )
1326	DTRACE_CABAC_V( uiCtx )
1327	DTRACE_CABAC_T( "\tetype=" )
1328	DTRACE_CABAC_V( eType )
1329	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1330	DTRACE_CABAC_V( uiAbsPartIdx )
1331	DTRACE_CABAC_T( "\n" )
1332
1333	pcCU->setCbfSubParts( uiSymbol << uiTrDepth, eType, uiAbsPartIdx, uiDepth );
1334	}
1335
1336	/** Parse (X,Y) position of the last significant coefficient
1337	* \param uiPosLastX reference to X component of last coefficient
1338	* \param uiPosLastY reference to Y component of last coefficient
1339	* \param width Block width
1340	* \param height Block height
1341	* \param eTType plane type / luminance or chrominance
1342	* \param uiScanIdx scan type (zig-zag, hor, ver)
1343	*
1344	* This method decodes the X and Y component within a block of the last significant coefficient.
1345	*/
1346	Void TDecSbac::parseLastSignificantXY( UInt& uiPosLastX, UInt& uiPosLastY, Int width, Int height, TextType eTType, UInt uiScanIdx )
1347	{
1348	UInt uiLast;
1349	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
1350	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
1351
1352	// posX
1353	#if LAST_CTX_REDUCTION
1354	Int widthCtx = eTType ? 4 : width;
1355	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ widthCtx ] ( g_aucConvertToBit[ widthCtx ] + 3 ) );
1356	#else
1357	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ width ] ( g_aucConvertToBit[ width ] + 3 ) );
1358	#endif
1359	for( uiPosLastX = 0; uiPosLastX < g_uiGroupIdx[ width - 1 ]; uiPosLastX++ )
1360	{
1361	#if LAST_CTX_REDUCTION
1362	if ( eTType )
1363	{
1364	m_pcTDecBinIf->decodeBin( uiLast, *( pCtxX + (uiPosLastX>>g_aucConvertToBit[ width ]) ) );
1365	}
1366	else
1367	{
1368	#endif
1369	m_pcTDecBinIf->decodeBin( uiLast, *( pCtxX + puiCtxIdxX[ uiPosLastX ] ) );
1370	#if LAST_CTX_REDUCTION
1371	}
1372	#endif
1373	if( !uiLast )
1374	{
1375	break;
1376	}
1377	}
1378
1379	// posY
1380	#if LAST_CTX_REDUCTION
1381	Int heightCtx = eTType? 4 : height;
1382	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ heightCtx ] ( g_aucConvertToBit[ heightCtx ] + 3 ) );
1383	#else
1384	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ height ] ( g_aucConvertToBit[ height ] + 3 ) );
1385	#endif
1386	for( uiPosLastY = 0; uiPosLastY < g_uiGroupIdx[ height - 1 ]; uiPosLastY++ )
1387	{
1388	#if LAST_CTX_REDUCTION
1389	if (eTType)
1390	{
1391	m_pcTDecBinIf->decodeBin( uiLast, *( pCtxY + (uiPosLastY>>g_aucConvertToBit[ height ]) ) );
1392	}
1393	else
1394	{
1395	#endif
1396	m_pcTDecBinIf->decodeBin( uiLast, *( pCtxY + puiCtxIdxY[ uiPosLastY ] ) );
1397	#if LAST_CTX_REDUCTION
1398	}
1399	#endif
1400	if( !uiLast )
1401	{
1402	break;
1403	}
1404	}
1405	if ( uiPosLastX > 3 )
1406	{
1407	UInt uiTemp = 0;
1408	UInt uiCount = ( uiPosLastX - 2 ) >> 1;
1409	for ( Int i = uiCount - 1; i >= 0; i-- )
1410	{
1411	m_pcTDecBinIf->decodeBinEP( uiLast );
1412	uiTemp += uiLast << i;
1413	}
1414	uiPosLastX = g_uiMinInGroup[ uiPosLastX ] + uiTemp;
1415	}
1416	if ( uiPosLastY > 3 )
1417	{
1418	UInt uiTemp = 0;
1419	UInt uiCount = ( uiPosLastY - 2 ) >> 1;
1420	for ( Int i = uiCount - 1; i >= 0; i-- )
1421	{
1422	m_pcTDecBinIf->decodeBinEP( uiLast );
1423	uiTemp += uiLast << i;
1424	}
1425	uiPosLastY = g_uiMinInGroup[ uiPosLastY ] + uiTemp;
1426	}
1427
1428	if( uiScanIdx == SCAN_VER )
1429	{
1430	swap( uiPosLastX, uiPosLastY );
1431	}
1432	}
1433
1434	Void TDecSbac::parseCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType )
1435	{
1436	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1437	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1438	DTRACE_CABAC_V( eTType )
1439	DTRACE_CABAC_T( "\twidth=" )
1440	DTRACE_CABAC_V( uiWidth )
1441	DTRACE_CABAC_T( "\theight=" )
1442	DTRACE_CABAC_V( uiHeight )
1443	DTRACE_CABAC_T( "\tdepth=" )
1444	DTRACE_CABAC_V( uiDepth )
1445	DTRACE_CABAC_T( "\tabspartidx=" )
1446	DTRACE_CABAC_V( uiAbsPartIdx )
1447	DTRACE_CABAC_T( "\ttoCU-X=" )
1448	DTRACE_CABAC_V( pcCU->getCUPelX() )
1449	DTRACE_CABAC_T( "\ttoCU-Y=" )
1450	DTRACE_CABAC_V( pcCU->getCUPelY() )
1451	DTRACE_CABAC_T( "\tCU-addr=" )
1452	DTRACE_CABAC_V( pcCU->getAddr() )
1453	DTRACE_CABAC_T( "\tinCU-X=" )
1454	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1455	DTRACE_CABAC_T( "\tinCU-Y=" )
1456	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1457	DTRACE_CABAC_T( "\tpredmode=" )
1458	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1459	DTRACE_CABAC_T( "\n" )
1460
1461	if( uiWidth > pcCU->getSlice()->getSPS()->getMaxTrSize() )
1462	{
1463	uiWidth = pcCU->getSlice()->getSPS()->getMaxTrSize();
1464	uiHeight = pcCU->getSlice()->getSPS()->getMaxTrSize();
1465	}
1466
1467	eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA );
1468
1469	//----- parse significance map -----
1470	const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2;
1471	const UInt uiMaxNumCoeff = uiWidth * uiHeight;
1472	const UInt uiMaxNumCoeffM1 = uiMaxNumCoeff - 1;
1473	UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx));
1474	int blockType = uiLog2BlockSize;
1475	if (uiWidth != uiHeight)
1476	{
1477	uiScanIdx = SCAN_DIAG;
1478	blockType = 4;
1479	}
1480
1481	//===== decode last significant =====
1482	UInt uiPosLastX, uiPosLastY;
1483	parseLastSignificantXY( uiPosLastX, uiPosLastY, uiWidth, uiHeight, eTType, uiScanIdx );
1484	UInt uiBlkPosLast = uiPosLastX + (uiPosLastY<<uiLog2BlockSize);
1485	pcCoef[ uiBlkPosLast ] = 1;
1486
1487	//===== decode significance flags =====
1488	UInt uiScanPosLast = uiBlkPosLast;
1489	if (uiScanIdx == SCAN_ZIGZAG)
1490	{
1491	// Map zigzag to diagonal scan
1492	uiScanIdx = SCAN_DIAG;
1493	}
1494	const UInt * scan;
1495	if (uiWidth == uiHeight)
1496	{
1497	scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize-1 ];
1498	}
1499	else
1500	{
1501	scan = g_sigScanNSQT[ uiLog2BlockSize - 2 ];
1502	}
1503	for( uiScanPosLast = 0; uiScanPosLast < uiMaxNumCoeffM1; uiScanPosLast++ )
1504	{
1505	UInt uiBlkPos = scan[ uiScanPosLast ];
1506	if( uiBlkPosLast == uiBlkPos )
1507	{
1508	break;
1509	}
1510	}
1511
1512	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType );
1513	ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA;
1514
1515	const Int iLastScanSet = uiScanPosLast >> LOG2_SCAN_SET_SIZE;
1516	UInt uiNumOne = 0;
1517	UInt uiGoRiceParam = 0;
1518
1519	#if MULTIBITS_DATA_HIDING
1520	UInt const tsig = pcCU->getSlice()->getPPS()->getTSIG();
1521	#if LOSSLESS_CODING
1522	Bool beValid;
1523	if (pcCU->isLosslessCoded(uiAbsPartIdx))
1524	{
1525	beValid = false;
1526	}
1527	else
1528	{
1529	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1530	}
1531	#else
1532	Bool beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1533	#endif
1534	UInt absSum = 0;
1535	#endif // MULTIBITS_DATA_HIDING
1536
1537	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1538	::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1539	const UInt uiNumBlkSide = uiWidth >> (MLS_CG_SIZE >> 1);
1540	const UInt * scanCG;
1541	if (uiWidth == uiHeight)
1542	{
1543	scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ];
1544	#if MULTILEVEL_SIGMAP_EXT
1545	if( uiLog2BlockSize == 3 )
1546	{
1547	scanCG = g_sigLastScan8x8[ uiScanIdx ];
1548	}
1549	else if( uiLog2BlockSize == 5 )
1550	{
1551	scanCG = g_sigLastScanCG32x32;
1552	}
1553	#endif
1554	}
1555	else
1556	{
1557	scanCG = g_sigCGScanNSQT[ uiLog2BlockSize - 2 ];
1558	}
1559	Int iScanPosSig = (Int) uiScanPosLast;
1560	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1561	{
1562	Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE;
1563	uiGoRiceParam = 0;
1564	Int numNonZero = 0;
1565
1566	#if MULTIBITS_DATA_HIDING
1567	Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE;
1568	#endif
1569
1570	Int pos[SCAN_SET_SIZE];
1571	if( iScanPosSig == (Int) uiScanPosLast )
1572	{
1573	#if MULTIBITS_DATA_HIDING
1574	lastNZPosInCG = iScanPosSig;
1575	firstNZPosInCG = iScanPosSig;
1576	#endif
1577	iScanPosSig--;
1578	pos[ numNonZero ] = uiBlkPosLast;
1579	numNonZero = 1;
1580	}
1581
1582	#if !MULTILEVEL_SIGMAP_EXT
1583	if( blockType > 3 )
1584	{
1585	#endif
1586	// decode significant_coeffgroup_flag
1587	Int iCGBlkPos = scanCG[ iSubSet ];
1588	Int iCGPosY = iCGBlkPos / uiNumBlkSide;
1589	Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide);
1590	#if MULTILEVEL_SIGMAP_EXT
1591	if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR \|\| uiScanIdx == SCAN_VER) )
1592	{
1593	iCGPosY = (uiScanIdx == SCAN_HOR ? iCGBlkPos : 0);
1594	iCGPosX = (uiScanIdx == SCAN_VER ? iCGBlkPos : 0);
1595	}
1596	#endif
1597	#if !REMOVE_INFER_SIGGRP
1598	Bool bInferredCGFlag = false;
1599	#endif
1600	#if REMOVE_INFER_SIGGRP
1601	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1602	#else
1603	if( iSubSet == iLastScanSet )
1604	#endif
1605	{
1606	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1607	}
1608	else
1609	{
1610	#if !REMOVE_INFER_SIGGRP
1611	#if MULTILEVEL_SIGMAP_EXT
1612	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight) && ( iSubSet ) )
1613	#else
1614	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight) && ( iSubSet ) )
1615	#endif
1616	{
1617	#endif
1618	UInt uiSigCoeffGroup;
1619	#if MULTILEVEL_SIGMAP_EXT
1620	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight );
1621	#else
1622	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1623	#endif
1624	m_pcTDecBinIf->decodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1625	uiSigCoeffGroupFlag[ iCGBlkPos ] = uiSigCoeffGroup;
1626	#if !REMOVE_INFER_SIGGRP
1627	}
1628	else
1629	{
1630	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1631	bInferredCGFlag = true;
1632	}
1633	#endif
1634	}
1635
1636	// decode significant_coeff_flag
1637	UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig;
1638	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1639	{
1640	uiBlkPos = scan[ iScanPosSig ];
1641	uiPosY = uiBlkPos >> uiLog2BlockSize;
1642	uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1643	uiSig = 0;
1644
1645	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1646	{
1647	#if REMOVE_INFER_SIGGRP
1648	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1649	#else
1650	if( iScanPosSig > iSubPos \|\| bInferredCGFlag \|\| numNonZero )
1651	#endif
1652	{
1653	uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1654	m_pcTDecBinIf->decodeBin( uiSig, baseCtx[ uiCtxSig ] );
1655	}
1656	else
1657	{
1658	uiSig = 1;
1659	}
1660	}
1661	pcCoef[ uiBlkPos ] = uiSig;
1662	if( uiSig )
1663	{
1664	pos[ numNonZero ] = uiBlkPos;
1665	numNonZero ++;
1666	#if MULTIBITS_DATA_HIDING
1667	if( lastNZPosInCG == -1 )
1668	{
1669	lastNZPosInCG = iScanPosSig;
1670	}
1671	firstNZPosInCG = iScanPosSig;
1672	#endif
1673	}
1674	}
1675	#if !MULTILEVEL_SIGMAP_EXT
1676	}
1677	else
1678	{
1679	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1680	{
1681	UInt uiBlkPos = scan[ iScanPosSig ];
1682	UInt uiPosY = uiBlkPos >> uiLog2BlockSize;
1683	UInt uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1684	UInt uiSig = 0;
1685	UInt uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1686	m_pcTDecBinIf->decodeBin( uiSig, baseCtx[ uiCtxSig ] );
1687	pcCoef[ uiBlkPos ] = uiSig;
1688	if( uiSig )
1689	{
1690	pos[ numNonZero ] = uiBlkPos;
1691	numNonZero ++;
1692	#if MULTIBITS_DATA_HIDING
1693	if( lastNZPosInCG == -1 )
1694	{
1695	lastNZPosInCG = iScanPosSig;
1696	}
1697	firstNZPosInCG = iScanPosSig;
1698	#endif
1699	}
1700	}
1701	}
1702	#endif
1703
1704
1705	if( numNonZero )
1706	{
1707	#if MULTIBITS_DATA_HIDING
1708	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= (Int)tsig );
1709	absSum = 0;
1710	#endif // MULTIBITS_DATA_HIDING
1711
1712	UInt c1 = 1;
1713	#if !RESTRICT_GR1GR2FLAG_NUMBER
1714	UInt c2 = 0;
1715	#endif
1716	#if LEVEL_CTX_LUMA_RED
1717	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0;
1718	#else
1719	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 3 : 0;
1720	#endif
1721	UInt uiBin;
1722
1723	if( uiNumOne > 0 )
1724	{
1725	uiCtxSet++;
1726	#if !LEVEL_CTX_LUMA_RED
1727	if(eTType==TEXT_LUMA && uiNumOne > 3)
1728	{
1729	uiCtxSet++;
1730	}
1731	#endif
1732	}
1733
1734	uiNumOne >>= 1;
1735	ContextModel baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet;
1736	Int absCoeff[SCAN_SET_SIZE];
1737
1738	#if RESTRICT_GR1GR2FLAG_NUMBER
1739	for ( Int i = 0; i < numNonZero; i++) absCoeff[i] = 1;
1740	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
1741	Int firstC2FlagIdx = -1;
1742
1743	for( Int idx = 0; idx < numC1Flag; idx++ )
1744	#else
1745	for( Int idx = 0; idx < numNonZero; idx++ )
1746	#endif
1747	{
1748	m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[c1] );
1749	if( uiBin == 1 )
1750	{
1751	c1 = 0;
1752	#if RESTRICT_GR1GR2FLAG_NUMBER
1753	if (firstC2FlagIdx == -1)
1754	{
1755	firstC2FlagIdx = idx;
1756	}
1757	#endif
1758	}
1759	else if( (c1 < 3) && (c1 > 0) )
1760	{
1761	c1++;
1762	}
1763	absCoeff[ idx ] = uiBin + 1;
1764	}
1765
1766	if (c1 == 0)
1767	{
1768	#if RESTRICT_GR1GR2FLAG_NUMBER
1769	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet;
1770	if ( firstC2FlagIdx != -1)
1771	{
1772	m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[0] );
1773	absCoeff[ firstC2FlagIdx ] = uiBin + 2;
1774	}
1775	#else
1776	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + 3 * uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + 3 * uiCtxSet;
1777	for( Int idx = 0; idx < numNonZero; idx++ )
1778	{
1779	if( absCoeff[ idx ] == 2 )
1780	{
1781	m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[c2] );
1782	absCoeff[ idx ] = uiBin + 2;
1783	c2 += (c2 < 2);
1784	uiNumOne++;
1785	}
1786	}
1787	#endif
1788	}
1789
1790	#if MULTIBITS_DATA_HIDING
1791	UInt coeffSigns;
1792	if ( signHidden && beValid )
1793	{
1794	m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero-1 );
1795	coeffSigns <<= 32 - (numNonZero-1);
1796	}
1797	else
1798	{
1799	m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero );
1800	coeffSigns <<= 32 - numNonZero;
1801	}
1802	#else
1803	UInt coeffSigns;
1804	m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero );
1805	coeffSigns <<= 32 - numNonZero;
1806	#endif
1807
1808	#if RESTRICT_GR1GR2FLAG_NUMBER
1809	Int iFirstCoeff2 = 1;
1810	if (c1 == 0 \|\| numNonZero > C1FLAG_NUMBER)
1811	#else
1812	if (c1 == 0)
1813	#endif
1814	{
1815	for( Int idx = 0; idx < numNonZero; idx++ )
1816	{
1817	#if RESTRICT_GR1GR2FLAG_NUMBER
1818	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2) : 1;
1819
1820	if( absCoeff[ idx ] == baseLevel)
1821	{
1822	UInt uiLevel;
1823	xReadGoRiceExGolomb( uiLevel, uiGoRiceParam );
1824	absCoeff[ idx ] = uiLevel + baseLevel;
1825	}
1826
1827	if(absCoeff[ idx ] >= 2)
1828	{
1829	iFirstCoeff2 = 0;
1830	uiNumOne++;
1831	}
1832	#else
1833	if( absCoeff[ idx ] == 3 )
1834	{
1835	UInt uiLevel;
1836	xReadGoRiceExGolomb( uiLevel, uiGoRiceParam );
1837	absCoeff[ idx ] = uiLevel + 3;
1838	}
1839	#endif
1840	}
1841	}
1842
1843	for( Int idx = 0; idx < numNonZero; idx++ )
1844	{
1845	Int blkPos = pos[ idx ];
1846	#if MULTIBITS_DATA_HIDING
1847	// Signs applied later.
1848	pcCoef[ blkPos ] = absCoeff[ idx ];
1849	absSum += absCoeff[ idx ];
1850
1851	if ( idx == numNonZero-1 && signHidden && beValid )
1852	{
1853	// Infer sign of 1st element.
1854	if (absSum&0x1)
1855	pcCoef[ blkPos ] = -pcCoef[ blkPos ];
1856	}
1857	else
1858	{
1859	Int sign = static_cast<Int>( coeffSigns ) >> 31;
1860	pcCoef[ blkPos ] = ( pcCoef[ blkPos ] ^ sign ) - sign;
1861	coeffSigns <<= 1;
1862	}
1863	#else
1864	Int sign = static_cast<Int>( coeffSigns ) >> 31;
1865	pcCoef[ blkPos ] = ( absCoeff[ idx ] ^ sign ) - sign;
1866	coeffSigns <<= 1;
1867	#endif
1868	}
1869	}
1870	else
1871	{
1872	uiNumOne >>= 1;
1873	}
1874	}
1875
1876	return;
1877	}
1878
1879
1880	#if SAO_UNIT_INTERLEAVING
1881	Void TDecSbac::parseSaoUvlc (UInt& ruiVal)
1882	{
1883	UInt uiCode;
1884	Int i;
1885
1886	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoUvlcSCModel.get( 0, 0, 0 ) );
1887	if ( uiCode == 0 )
1888	{
1889	ruiVal = 0;
1890	return;
1891	}
1892
1893	i=1;
1894	while (1)
1895	{
1896	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoUvlcSCModel.get( 0, 0, 1 ) );
1897	if ( uiCode == 0 ) break;
1898	i++;
1899	}
1900
1901	ruiVal = i;
1902	}
1903
1904	Void TDecSbac::parseSaoSvlc (Int& riVal)
1905	{
1906	UInt uiCode;
1907	Int iSign;
1908	Int i;
1909
1910	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoSvlcSCModel.get( 0, 0, 0 ) );
1911
1912	if ( uiCode == 0 )
1913	{
1914	riVal = 0;
1915	return;
1916	}
1917
1918	// read sign
1919	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoSvlcSCModel.get( 0, 0, 1 ) );
1920
1921	if ( uiCode == 0 )
1922	{
1923	iSign = 1;
1924	}
1925	else
1926	{
1927	iSign = -1;
1928	}
1929
1930	// read magnitude
1931	i=1;
1932	while (1)
1933	{
1934	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoSvlcSCModel.get( 0, 0, 2 ) );
1935	if ( uiCode == 0 ) break;
1936	i++;
1937	}
1938
1939	riVal = i*iSign;
1940	}
1941
1942	Void TDecSbac::parseSaoUflc (UInt& riVal)
1943	{
1944	UInt uiSymbol;
1945	riVal = 0;
1946	for (Int i=0;i<5;i++)
1947	{
1948	m_pcTDecBinIf->decodeBinEP ( uiSymbol );
1949	if (uiSymbol)
1950	{
1951	riVal \|= (1<<i);
1952	}
1953	}
1954	}
1955	Void TDecSbac::parseSaoMergeLeft (UInt& ruiVal, UInt uiCompIdx)
1956	{
1957	UInt uiCode;
1958	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ) );
1959	ruiVal = (Int)uiCode;
1960	}
1961
1962	Void TDecSbac::parseSaoMergeUp (UInt& ruiVal)
1963	{
1964	UInt uiCode;
1965	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoMergeUpSCModel.get( 0, 0, 0 ) );
1966	ruiVal = (Int)uiCode;
1967	}
1968	Void TDecSbac::parseSaoTypeIdx (UInt& ruiVal)
1969	{
1970	UInt uiCode;
1971	Int i;
1972	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
1973	if ( uiCode == 0 )
1974	{
1975	ruiVal = 0;
1976	return;
1977	}
1978	i=1;
1979	while (1)
1980	{
1981	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) );
1982	if ( uiCode == 0 ) break;
1983	i++;
1984	}
1985	ruiVal = i;
1986	}
1987
1988	inline Void copySaoOneLcuParam(SaoLcuParam* psDst, SaoLcuParam* psSrc)
1989	{
1990	Int i;
1991	psDst->partIdx = psSrc->partIdx;
1992	psDst->typeIdx = psSrc->typeIdx;
1993	if (psDst->typeIdx != -1)
1994	{
1995	if (psDst->typeIdx == SAO_BO)
1996	{
1997	psDst->bandPosition = psSrc->bandPosition ;
1998	}
1999	else
2000	{
2001	psDst->bandPosition = 0;
2002	}
2003	psDst->length = psSrc->length;
2004	for (i=0;i<psDst->length;i++)
2005	{
2006	psDst->offset[i] = psSrc->offset[i];
2007	}
2008	}
2009	else
2010	{
2011	psDst->length = 0;
2012	for (i=0;i<SAO_BO_LEN;i++)
2013	{
2014	psDst->offset[i] = 0;
2015	}
2016	}
2017	}
2018	Void TDecSbac::parseSaoOffset(SaoLcuParam* psSaoLcuParam)
2019	{
2020	UInt uiSymbol;
2021	Int iSymbol;
2022	static Int iTypeLength[MAX_NUM_SAO_TYPE] = {
2023	SAO_EO_LEN,
2024	SAO_EO_LEN,
2025	SAO_EO_LEN,
2026	SAO_EO_LEN,
2027	SAO_BO_LEN
2028	};
2029
2030	parseSaoTypeIdx(uiSymbol);
2031	psSaoLcuParam->typeIdx = (Int)uiSymbol - 1;
2032	if (uiSymbol)
2033	{
2034	psSaoLcuParam->length = iTypeLength[psSaoLcuParam->typeIdx];
2035	if( psSaoLcuParam->typeIdx == SAO_BO )
2036	{
2037	// Parse Left Band Index
2038	parseSaoUflc( uiSymbol );
2039	psSaoLcuParam->bandPosition = uiSymbol;
2040	for(Int i=0; i< psSaoLcuParam->length; i++)
2041	{
2042	parseSaoSvlc(iSymbol);
2043	psSaoLcuParam->offset[i] = iSymbol;
2044	}
2045	}
2046	else if( psSaoLcuParam->typeIdx < 4 )
2047	{
2048	parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[0] = uiSymbol;
2049	parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[1] = uiSymbol;
2050	parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[2] = -(Int)uiSymbol;
2051	parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[3] = -(Int)uiSymbol;
2052	}
2053	}
2054	else
2055	{
2056	psSaoLcuParam->length = 0;
2057	}
2058	}
2059
2060	Void TDecSbac::parseSaoOneLcuInterleaving(Int rx, Int ry, SAOParam* pSaoParam, TComDataCU* pcCU, Int iCUAddrInSlice, Int iCUAddrUpInSlice, Bool bLFCrossSliceBoundaryFlag)
2061	{
2062	Int iAddr = pcCU->getAddr();
2063	UInt uiSymbol;
2064	for (Int iCompIdx=0; iCompIdx<3; iCompIdx++)
2065	{
2066	pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag = 0;
2067	pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag = 0;
2068	pSaoParam->saoLcuParam[iCompIdx][iAddr].bandPosition = 0;
2069	pSaoParam->saoLcuParam[iCompIdx][iAddr].typeIdx = -1;
2070	pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[0] = 0;
2071	pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[1] = 0;
2072	pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[2] = 0;
2073	pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[3] = 0;
2074
2075	if (pSaoParam->bSaoFlag[iCompIdx])
2076	{
2077	if (rx>0 && iCUAddrInSlice!=0)
2078	{
2079	parseSaoMergeLeft(uiSymbol,iCompIdx); pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag = (Int)uiSymbol;
2080	}
2081	else
2082	{
2083	pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag = 0;
2084	}
2085
2086	if (pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag==0)
2087	{
2088	if ((ry > 0) && (iCUAddrUpInSlice>0\|\|bLFCrossSliceBoundaryFlag))
2089	{
2090	parseSaoMergeUp(uiSymbol); pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag = uiSymbol;
2091	}
2092	else
2093	{
2094	pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag = 0;
2095	}
2096	if (!pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag)
2097	{
2098	parseSaoOffset(&(pSaoParam->saoLcuParam[iCompIdx][iAddr]));
2099	}
2100	else
2101	{
2102	copySaoOneLcuParam(&pSaoParam->saoLcuParam[iCompIdx][iAddr], &pSaoParam->saoLcuParam[iCompIdx][iAddr-pSaoParam->numCuInWidth]);
2103	}
2104	}
2105	else
2106	{
2107	copySaoOneLcuParam(&pSaoParam->saoLcuParam[iCompIdx][iAddr], &pSaoParam->saoLcuParam[iCompIdx][iAddr-1]);
2108	}
2109	}
2110	else
2111	{
2112	pSaoParam->saoLcuParam[iCompIdx][iAddr].typeIdx = -1;
2113	pSaoParam->saoLcuParam[iCompIdx][iAddr].bandPosition = 0;
2114	}
2115	}
2116	}
2117	#endif
2118
2119	/**
2120	- Initialize our contexts from the nominated source.
2121	.
2122	\param pSrc Contexts to be copied.
2123	*/
2124	Void TDecSbac::xCopyContextsFrom( TDecSbac* pSrc )
2125	{
2126	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2127	}
2128
2129	Void TDecSbac::xCopyFrom( TDecSbac* pSrc )
2130	{
2131	m_pcTDecBinIf->copyState( pSrc->m_pcTDecBinIf );
2132
2133	m_uiLastQp = pSrc->m_uiLastQp;
2134	xCopyContextsFrom( pSrc );
2135
2136	}
2137
2138	Void TDecSbac::load ( TDecSbac* pScr )
2139	{
2140	xCopyFrom(pScr);
2141	}
2142
2143	Void TDecSbac::loadContexts ( TDecSbac* pScr )
2144	{
2145	xCopyContextsFrom(pScr);
2146	}
2147
2148	#if OL_FLUSH
2149	Void TDecSbac::decodeFlush ( )
2150	{
2151	UInt uiBit;
2152	m_pcTDecBinIf->decodeBinTrm(uiBit);
2153	m_pcTDecBinIf->flush();
2154
2155	}
2156	#endif
2157
2158	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX \|\| (LGE_EDGE_INTRA && LGE_EDGE_INTRA_DELTA_DC)
2159	Void TDecSbac::xReadExGolombLevel( UInt& ruiSymbol, ContextModel& rcSCModel )
2160	{
2161	UInt uiSymbol;
2162	UInt uiCount = 0;
2163	do
2164	{
2165	m_pcTDecBinIf->decodeBin( uiSymbol, rcSCModel );
2166	uiCount++;
2167	}
2168	while( uiSymbol && ( uiCount != 13 ) );
2169
2170	ruiSymbol = uiCount - 1;
2171
2172	if( uiSymbol )
2173	{
2174	xReadEpExGolomb( uiSymbol, 0 );
2175	ruiSymbol += uiSymbol + 1;
2176	}
2177
2178	return;
2179	}
2180	#endif
2181	#if HHI_DMM_WEDGE_INTRA
2182	Void TDecSbac::xParseWedgeFullInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2183	{
2184	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2185	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2186
2187	UInt uiSymbol, uiTabIdx = 0;
2188	for ( Int i = 0; i < iBits; i++ )
2189	{
2190	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 0) );
2191	uiTabIdx += ( uiSymbol && i == 0 ) ? 1 : 0;
2192	uiTabIdx += ( uiSymbol && i == 1 ) ? 2 : 0;
2193	uiTabIdx += ( uiSymbol && i == 2 ) ? 4 : 0;
2194	uiTabIdx += ( uiSymbol && i == 3 ) ? 8 : 0;
2195	uiTabIdx += ( uiSymbol && i == 4 ) ? 16 : 0;
2196	uiTabIdx += ( uiSymbol && i == 5 ) ? 32 : 0;
2197	uiTabIdx += ( uiSymbol && i == 6 ) ? 64 : 0;
2198	uiTabIdx += ( uiSymbol && i == 7 ) ? 128 : 0;
2199	uiTabIdx += ( uiSymbol && i == 8 ) ? 256 : 0;
2200	uiTabIdx += ( uiSymbol && i == 9 ) ? 512 : 0;
2201	uiTabIdx += ( uiSymbol && i == 10 ) ? 1024 : 0;
2202	uiTabIdx += ( uiSymbol && i == 11 ) ? 2048 : 0;
2203	uiTabIdx += ( uiSymbol && i == 12 ) ? 4096 : 0;
2204	}
2205
2206	pcCU->setWedgeFullTabIdxSubParts( uiTabIdx, uiAbsPartIdx, uiDepth );
2207	}
2208
2209	Void TDecSbac::xParseWedgeFullDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2210	{
2211	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2212	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2213
2214	UInt uiSymbol, uiTabIdx = 0;
2215	for ( Int i = 0; i < iBits; i++ )
2216	{
2217	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 0) );
2218	uiTabIdx += ( uiSymbol && i == 0 ) ? 1 : 0;
2219	uiTabIdx += ( uiSymbol && i == 1 ) ? 2 : 0;
2220	uiTabIdx += ( uiSymbol && i == 2 ) ? 4 : 0;
2221	uiTabIdx += ( uiSymbol && i == 3 ) ? 8 : 0;
2222	uiTabIdx += ( uiSymbol && i == 4 ) ? 16 : 0;
2223	uiTabIdx += ( uiSymbol && i == 5 ) ? 32 : 0;
2224	uiTabIdx += ( uiSymbol && i == 6 ) ? 64 : 0;
2225	uiTabIdx += ( uiSymbol && i == 7 ) ? 128 : 0;
2226	uiTabIdx += ( uiSymbol && i == 8 ) ? 256 : 0;
2227	uiTabIdx += ( uiSymbol && i == 9 ) ? 512 : 0;
2228	uiTabIdx += ( uiSymbol && i == 10 ) ? 1024 : 0;
2229	uiTabIdx += ( uiSymbol && i == 11 ) ? 2048 : 0;
2230	uiTabIdx += ( uiSymbol && i == 12 ) ? 4096 : 0;
2231	}
2232
2233	pcCU->setWedgeFullTabIdxSubParts( uiTabIdx, uiAbsPartIdx, uiDepth );
2234
2235	UInt uiDC1, uiDC2;
2236	xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) );
2237	Int iDC1 = uiDC1;
2238	if ( uiDC1 )
2239	{
2240	UInt uiSign;
2241	m_pcTDecBinIf->decodeBinEP( uiSign );
2242	if ( uiSign )
2243	{
2244	iDC1 = -iDC1;
2245	}
2246	}
2247	xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) );
2248	Int iDC2 = uiDC2;
2249	if ( uiDC2 )
2250	{
2251	UInt uiSign;
2252	m_pcTDecBinIf->decodeBinEP( uiSign );
2253	if ( uiSign )
2254	{
2255	iDC2 = -iDC2;
2256	}
2257	}
2258
2259	pcCU->setWedgeFullDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth );
2260	pcCU->setWedgeFullDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth );
2261	}
2262
2263	Void TDecSbac::xParseWedgePredDirInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2264	{
2265	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2266	{
2267	UInt uiDeltaEnd = 0;
2268	m_pcTDecBinIf->decodeBin( uiDeltaEnd, m_cDmmDataSCModel.get(0, 0, 2) );
2269
2270	Int iDeltaEnd;
2271	if( uiDeltaEnd != 0 )
2272	{
2273	UInt uiAbsValMinus1;
2274	UInt uiSymbol;
2275	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 = uiSymbol;
2276	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 \|= uiSymbol << 1;
2277	uiDeltaEnd = uiAbsValMinus1 + 1;
2278
2279	iDeltaEnd = uiDeltaEnd;
2280	UInt uiSign;
2281	m_pcTDecBinIf->decodeBinEP( uiSign );
2282	if( uiSign )
2283	{
2284	iDeltaEnd = -iDeltaEnd;
2285	}
2286	}
2287	else
2288	{
2289	iDeltaEnd = 0;
2290	}
2291	pcCU->setWedgePredDirDeltaEndSubParts( iDeltaEnd, uiAbsPartIdx, uiDepth );
2292	}
2293	}
2294
2295	Void TDecSbac::xParseWedgePredDirDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2296	{
2297	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2298	{
2299	UInt uiDeltaEnd = 0;
2300	m_pcTDecBinIf->decodeBin( uiDeltaEnd, m_cDmmDataSCModel.get(0, 0, 2) );
2301
2302	Int iDeltaEnd;
2303	if( uiDeltaEnd != 0 )
2304	{
2305	UInt uiAbsValMinus1;
2306	UInt uiSymbol;
2307	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 = uiSymbol;
2308	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 \|= uiSymbol << 1;
2309	uiDeltaEnd = uiAbsValMinus1 + 1;
2310
2311	iDeltaEnd = uiDeltaEnd;
2312	UInt uiSign;
2313	m_pcTDecBinIf->decodeBinEP( uiSign );
2314	if( uiSign )
2315	{
2316	iDeltaEnd = -iDeltaEnd;
2317	}
2318	}
2319	else
2320	{
2321	iDeltaEnd = 0;
2322	}
2323
2324	pcCU->setWedgePredDirDeltaEndSubParts( iDeltaEnd, uiAbsPartIdx, uiDepth );
2325	}
2326
2327	UInt uiDC1, uiDC2;
2328	xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) );
2329	Int iDC1 = uiDC1;
2330	if ( uiDC1 )
2331	{
2332	UInt uiSign;
2333	m_pcTDecBinIf->decodeBinEP( uiSign );
2334	if ( uiSign )
2335	{
2336	iDC1 = -iDC1;
2337	}
2338	}
2339	xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) );
2340	Int iDC2 = uiDC2;
2341	if ( uiDC2 )
2342	{
2343	UInt uiSign;
2344	m_pcTDecBinIf->decodeBinEP( uiSign );
2345	if ( uiSign )
2346	{
2347	iDC2 = -iDC2;
2348	}
2349	}
2350
2351	pcCU->setWedgePredDirDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth );
2352	pcCU->setWedgePredDirDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth );
2353	}
2354	#endif
2355	#if HHI_DMM_PRED_TEX
2356	Void TDecSbac::xParseWedgePredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2357	{
2358	UInt uiDC1, uiDC2;
2359	xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) );
2360	Int iDC1 = uiDC1;
2361	if ( uiDC1 )
2362	{
2363	UInt uiSign;
2364	m_pcTDecBinIf->decodeBinEP( uiSign );
2365	if ( uiSign )
2366	{
2367	iDC1 = -iDC1;
2368	}
2369	}
2370	xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) );
2371	Int iDC2 = uiDC2;
2372	if ( uiDC2 )
2373	{
2374	UInt uiSign;
2375	m_pcTDecBinIf->decodeBinEP( uiSign );
2376	if ( uiSign )
2377	{
2378	iDC2 = -iDC2;
2379	}
2380	}
2381
2382	pcCU->setWedgePredTexDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth );
2383	pcCU->setWedgePredTexDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth );
2384	}
2385
2386	Void TDecSbac::xParseContourPredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2387	{
2388	UInt uiDC1, uiDC2;
2389	xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) );
2390	Int iDC1 = uiDC1;
2391	if ( uiDC1 )
2392	{
2393	UInt uiSign;
2394	m_pcTDecBinIf->decodeBinEP( uiSign );
2395	if ( uiSign )
2396	{
2397	iDC1 = -iDC1;
2398	}
2399	}
2400	xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) );
2401	Int iDC2 = uiDC2;
2402	if ( uiDC2 )
2403	{
2404	UInt uiSign;
2405	m_pcTDecBinIf->decodeBinEP( uiSign );
2406	if ( uiSign )
2407	{
2408	iDC2 = -iDC2;
2409	}
2410	}
2411
2412	pcCU->setContourPredTexDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth );
2413	pcCU->setContourPredTexDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth );
2414	}
2415	#endif
2416
2417	#if LGE_EDGE_INTRA
2418	Void TDecSbac::xParseEdgeIntraInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2419	{
2420	UInt uiSymbol = 0;
2421
2422	// 1. Top(0) or Left(1)
2423	UChar ucLeft;
2424	m_pcTDecBinIf->decodeBinEP( uiSymbol );
2425	ucLeft = uiSymbol;
2426
2427	// 2. Start position (lowest bit first)
2428	UChar ucStart = 0;
2429	for( UInt ui = 0; ui < 6 - uiDepth; ui++ )
2430	{
2431	m_pcTDecBinIf->decodeBinEP( uiSymbol );
2432	ucStart \|= (uiSymbol << ui);
2433	}
2434
2435	// 3. Number of edges
2436	UChar ucMax = 0;
2437	for( UInt ui = 0; ui < 7 - uiDepth; ui++ )
2438	{
2439	m_pcTDecBinIf->decodeBinEP( uiSymbol );
2440	ucMax \|= (uiSymbol << ui);
2441	}
2442	ucMax++; // +1
2443
2444	// 4. Edges
2445	UChar* pucSymbolList = (UChar) xMalloc( UChar, 256 LGE_EDGE_INTRA_MAX_EDGE_NUM_PER_4x4 );
2446	UInt uiCtxEdgeIntra = pcCU->getCtxEdgeIntra( uiAbsPartIdx );
2447	for( Int iPtr = 0; iPtr < ucMax; iPtr++ )
2448	{
2449	UChar ucEdge = 0;
2450	UInt uiReorderEdge = 0;
2451	// Left-friendly direction
2452	// 0 ( 0deg) => 0
2453	// 1 ( 45deg) => 10
2454	// 2 ( -45deg) => 110
2455	// 3 ( 90deg) => 1110
2456	// 4 ( -90deg) => 11110
2457	// 5 ( 135deg) => 111110
2458	// 6 (-135deg) => 111111
2459	// Right-friendly direction
2460	// 0 ( 0deg) => 0
2461	// 1 ( -45deg) => 10
2462	// 2 ( 45deg) => 110
2463	// 3 ( -90deg) => 1110
2464	// 4 ( 90deg) => 11110
2465	// 5 (-135deg) => 111110
2466	// 6 ( 135deg) => 111111
2467	// refer to a paper "An efficient chain code with Huffman coding"
2468	for( UInt ui = 0; ui < 6; ui++ )
2469	{
2470	m_pcTDecBinIf->decodeBin( uiSymbol, m_cEdgeIntraSCModel.get( 0, 0, uiCtxEdgeIntra ) );
2471	ucEdge <<= 1;
2472	ucEdge \|= uiSymbol;
2473	if( uiSymbol == 0 )
2474	break;
2475	}
2476
2477	switch( ucEdge )
2478	{
2479	case 0 : // "0"
2480	uiReorderEdge = 0;
2481	break;
2482	case 2 : // "10"
2483	uiReorderEdge = 1;
2484	break;
2485	case 6 : // "110"
2486	uiReorderEdge = 2;
2487	break;
2488	case 14 : // "1110"
2489	uiReorderEdge = 3;
2490	break;
2491	case 30 : // "11110"
2492	uiReorderEdge = 4;
2493	break;
2494	case 62 : // "111110"
2495	uiReorderEdge = 5;
2496	break;
2497	case 63 : // "111111"
2498	uiReorderEdge = 6;
2499	break;
2500	default :
2501	printf("parseIntraEdgeChain: error (unknown code %d)\n",ucEdge);
2502	assert(false);
2503	break;
2504	}
2505	pucSymbolList[iPtr] = uiReorderEdge;
2506	}
2507	/////////////////////
2508	// Edge Reconstruction
2509	Bool* pbRegion = pcCU->getEdgePartition( uiAbsPartIdx );
2510	pcCU->reconPartition( uiAbsPartIdx, uiDepth, ucLeft == 1, ucStart, ucMax, pucSymbolList, pbRegion );
2511	xFree( pucSymbolList );
2512	}
2513	#endif
2514
2515	#if RWTH_SDC_DLT_B0036
2516	Void TDecSbac::parseSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2517	{
2518	assert( pcCU->getSlice()->getSPS()->isDepth() );
2519
2520	UInt uiSymbol = 0;
2521	UInt uiCtxSDCFlag = pcCU->getCtxSDCFlag( uiAbsPartIdx );
2522	m_pcTDecBinIf->decodeBin( uiSymbol, m_cSDCFlagSCModel.get( 0, 0, uiCtxSDCFlag ) );
2523
2524	if( uiSymbol == 1 )
2525	{
2526	pcCU->setPartSizeSubParts(SIZE_2Nx2N, uiAbsPartIdx, uiDepth);
2527
2528	pcCU->setSDCFlagSubParts( true, uiAbsPartIdx, 0, uiDepth);
2529	pcCU->setTrIdxSubParts(0, uiAbsPartIdx, uiDepth);
2530	pcCU->setCbfSubParts(1, 1, 1, uiAbsPartIdx, uiDepth);
2531	}
2532	}
2533
2534	Void TDecSbac::parseSDCPredMode( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2535	{
2536	assert( pcCU->getSlice()->getSPS()->isDepth() );
2537	assert( pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N );
2538
2539	assert( pcCU->getSDCFlag(uiAbsPartIdx) );
2540
2541	UInt uiCtx = 0;
2542
2543	UInt uiMPModeIdx = 0;
2544
2545	for(Int i=0; i<RWTH_SDC_NUM_PRED_MODES-1; i++)
2546	{
2547	UInt uiIsMostProb = 0;
2548	m_pcTDecBinIf->decodeBin( uiIsMostProb, m_cSDCPredModeSCModel.get( 0, i, uiCtx ) );
2549
2550	if ( uiIsMostProb == 1 )
2551	break;
2552
2553	// else: get next most probable pred mode
2554	uiMPModeIdx = (uiMPModeIdx+1)%RWTH_SDC_NUM_PRED_MODES;
2555	}
2556
2557	Int intraPredMode = g_auiSDCPredModes[uiMPModeIdx];
2558
2559	#if HHI_DMM_WEDGE_INTRA
2560	if( intraPredMode == DMM_WEDGE_FULL_IDX ) { xParseWedgeFullInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
2561	if( intraPredMode == DMM_WEDGE_PREDDIR_IDX ) { xParseWedgePredDirInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
2562	#endif
2563
2564	pcCU->setLumaIntraDirSubParts((UChar)intraPredMode, uiAbsPartIdx, uiDepth);
2565	}
2566
2567	Void TDecSbac::parseSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiSegment )
2568	{
2569	assert( pcCU->getSlice()->getSPS()->isDepth() );
2570	assert( pcCU->getSDCFlag(uiAbsPartIdx) );
2571	assert( uiSegment < 2 );
2572
2573	UInt uiResidual = 0;
2574	UInt uiBit = 0;
2575	UInt uiAbsIdx = 0;
2576	UInt uiSign = 0;
2577	Int iIdx = 0;
2578
2579	UInt uiMaxResidualBits = GetBitsPerDepthValue();
2580	assert( uiMaxResidualBits <= g_uiBitDepth );
2581
2582	m_pcTDecBinIf->decodeBin(uiResidual, m_cSDCResidualFlagSCModel.get( 0, uiSegment, 0 ) );
2583
2584	if (uiResidual)
2585	{
2586	// decode residual sign bit
2587	m_pcTDecBinIf->decodeBin(uiSign, m_cSDCResidualSignFlagSCModel.get( 0, uiSegment, 0 ) );
2588
2589	// decode residual magnitude
2590	for (Int i=0; i<uiMaxResidualBits; i++)
2591	{
2592	m_pcTDecBinIf->decodeBin(uiBit, m_cSDCResidualSCModel.get( 0, uiSegment, i ) );
2593	uiAbsIdx \|= uiBit << i;
2594	}
2595
2596	uiAbsIdx += 1;
2597	iIdx =(Int)(uiSign ? -1 : 1)*uiAbsIdx;
2598	}
2599
2600	pcCU->setSDCSegmentDCOffset(iIdx, uiSegment, uiAbsPartIdx);
2601	}
2602	#endif
2603
2604	//! \}

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source: 3DVCSoftware/branches/HTM-4.1-dev2-RWTH/source/Lib/TLibDecoder/TDecSbac.cpp @ 184

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