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TDecSbac.cpp

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Last change on this file was 229, checked in by hhi-htm, 12 years ago
bug fix
Property svn:eol-style set to `native`
File size: 82.3 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_A0070
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_A0070
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
756	#if OL_QTLIMIT_PREDCODING_B0068
757	Bool bParseSplitFlag = true;
758
759	TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS();
760	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
761	Bool bDepthMapDetect = (pcTexture != NULL);
762	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
763
764	#if HHI_QTLPC_RAU_OFF_C0160
765	Bool rapPic = (pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR \|\| pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA);
766	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && sps->getUseQTLPC())
767	#else
768	if(bDepthMapDetect && !bIntraSliceDetect && sps->getUseQTLPC())
769	#endif
770	{
771	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
772	assert(pcTextureCU->getDepth(uiAbsPartIdx) >= uiDepth);
773	bParseSplitFlag = (pcTextureCU->getDepth(uiAbsPartIdx) > uiDepth);
774	}
775
776	if(bParseSplitFlag)
777	{
778	#endif
779	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSplitFlagSCModel.get( 0, 0, pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth ) ) );
780	DTRACE_CABAC_VL( g_nSymbolCounter++ )
781	DTRACE_CABAC_T( "\tSplitFlag\n" )
782	#if OL_QTLIMIT_PREDCODING_B0068
783	}
784	else
785	uiSymbol = 0;
786	#endif
787
788	pcCU->setDepthSubParts( uiDepth + uiSymbol, uiAbsPartIdx );
789
790	return;
791	}
792
793	/** parse partition size
794	* \param pcCU
795	* \param uiAbsPartIdx
796	* \param uiDepth
797	* \returns Void
798	*/
799	Void TDecSbac::parsePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
800	{
801	UInt uiSymbol, uiMode = 0;
802	PartSize eMode;
803
804	#if OL_QTLIMIT_PREDCODING_B0068
805	Bool bParsePartSize = true;
806	TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS();
807	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
808	Bool bDepthMapDetect = (pcTexture != NULL);
809	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
810
811	#if HHI_QTLPC_RAU_OFF_C0160
812	Bool rapPic = (pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR \|\| pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA);
813	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && sps->getUseQTLPC())
814	#else
815	if(bDepthMapDetect && !bIntraSliceDetect && sps->getUseQTLPC())
816	#endif
817	{
818	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
819	assert(pcTextureCU->getDepth(uiAbsPartIdx) >= uiDepth);
820	if (pcTextureCU->getDepth(uiAbsPartIdx) == uiDepth && pcTextureCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN)
821	{
822	bParsePartSize = false;
823	eMode = SIZE_2Nx2N;
824	}
825	}
826	#endif
827
828	if ( pcCU->isIntra( uiAbsPartIdx ) )
829	{
830	#if OL_QTLIMIT_PREDCODING_B0068
831	if(bParsePartSize)
832	{
833	#endif
834	uiSymbol = 1;
835	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
836	{
837	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, 0) );
838	}
839	eMode = uiSymbol ? SIZE_2Nx2N : SIZE_NxN;
840	#if OL_QTLIMIT_PREDCODING_B0068
841	}
842	#endif
843	UInt uiTrLevel = 0;
844	UInt uiWidthInBit = g_aucConvertToBit[pcCU->getWidth(uiAbsPartIdx)]+2;
845	UInt uiTrSizeInBit = g_aucConvertToBit[pcCU->getSlice()->getSPS()->getMaxTrSize()]+2;
846	uiTrLevel = uiWidthInBit >= uiTrSizeInBit ? uiWidthInBit - uiTrSizeInBit : 0;
847	if( eMode == SIZE_NxN )
848	{
849	pcCU->setTrIdxSubParts( 1+uiTrLevel, uiAbsPartIdx, uiDepth );
850	}
851	else
852	{
853	pcCU->setTrIdxSubParts( uiTrLevel, uiAbsPartIdx, uiDepth );
854	}
855	}
856	else
857	{
858	#if OL_QTLIMIT_PREDCODING_B0068
859	if(bParsePartSize)
860	{
861	#endif
862	UInt uiMaxNumBits = 2;
863	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getSlice()->getSPS()->getDisInter4x4() && (g_uiMaxCUWidth>>uiDepth) == 8 && (g_uiMaxCUHeight>>uiDepth) == 8 ) )
864	{
865	uiMaxNumBits ++;
866	}
867	for ( UInt ui = 0; ui < uiMaxNumBits; ui++ )
868	{
869	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, ui) );
870	if ( uiSymbol )
871	{
872	break;
873	}
874	uiMode++;
875	}
876	eMode = (PartSize) uiMode;
877	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
878	{
879	if (eMode == SIZE_2NxN)
880	{
881	#if AMP_CTX
882	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUAMPSCModel.get( 0, 0, 0 ));
883	#else
884	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUYPosiSCModel.get( 0, 0, 0 ));
885	#endif
886	if (uiSymbol == 0)
887	{
888	#if AMP_CTX
889	m_pcTDecBinIf->decodeBinEP(uiSymbol);
890	#else
891	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUYPosiSCModel.get( 0, 0, 1 ));
892	#endif
893	eMode = (uiSymbol == 0? SIZE_2NxnU : SIZE_2NxnD);
894	}
895	}
896	else if (eMode == SIZE_Nx2N)
897	{
898	#if AMP_CTX
899	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUAMPSCModel.get( 0, 0, 0 ));
900	#else
901	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUXPosiSCModel.get( 0, 0, 0 ));
902	#endif
903	if (uiSymbol == 0)
904	{
905	#if AMP_CTX
906	m_pcTDecBinIf->decodeBinEP(uiSymbol);
907	#else
908	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUXPosiSCModel.get( 0, 0, 1 ));
909	#endif
910	eMode = (uiSymbol == 0? SIZE_nLx2N : SIZE_nRx2N);
911	}
912	}
913	}
914	#if OL_QTLIMIT_PREDCODING_B0068
915	}
916	#endif
917	}
918	pcCU->setPartSizeSubParts( eMode, uiAbsPartIdx, uiDepth );
919	pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth );
920	}
921
922	/** parse prediction mode
923	* \param pcCU
924	* \param uiAbsPartIdx
925	* \param uiDepth
926	* \returns Void
927	*/
928	Void TDecSbac::parsePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
929	{
930	if( pcCU->getSlice()->isIntra() )
931	{
932	pcCU->setPredModeSubParts( MODE_INTRA, uiAbsPartIdx, uiDepth );
933	return;
934	}
935
936	UInt uiSymbol;
937	Int iPredMode = MODE_INTER;
938	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
939	iPredMode += uiSymbol;
940	pcCU->setPredModeSubParts( (PredMode)iPredMode, uiAbsPartIdx, uiDepth );
941	}
942
943	Void TDecSbac::parseIntraDirLumaAng ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
944	{
945	UInt uiSymbol;
946	Int intraPredMode;
947
948	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
949	UInt uiFlag = 0;
950	if( pcCU->getSlice()->getSPS()->getUseDMM() && (g_uiMaxCUWidth>>uiDepth) <= DMM_WEDGEMODEL_MAX_SIZE )
951	{
952	m_pcTDecBinIf->decodeBin( uiFlag, m_cDmmFlagSCModel.get(0, 0, 0) );
953	}
954	if( uiFlag )
955	{
956	UInt uiDMMode;
957
958	#if HHI_DMM_WEDGE_INTRA && HHI_DMM_PRED_TEX
959	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode = uiSymbol;
960	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode \|= uiSymbol << 1;
961	if ( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && g_uiMaxCUWidth>>uiDepth > 4 )
962	{
963	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode \|= uiSymbol << 2;
964	}
965	#else
966	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode = uiSymbol;
967	if ( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && g_uiMaxCUWidth>>uiDepth > 4 )
968	{
969	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode \|= uiSymbol << 1;
970	}
971	#endif
972	intraPredMode = uiDMMode + NUM_INTRA_MODE;
973
974	#if HHI_DMM_WEDGE_INTRA
975	if( intraPredMode == DMM_WEDGE_FULL_IDX ) { xParseWedgeFullInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
976	if( intraPredMode == DMM_WEDGE_FULL_D_IDX ) { xParseWedgeFullDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
977	if( intraPredMode == DMM_WEDGE_PREDDIR_IDX ) { xParseWedgePredDirInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
978	if( intraPredMode == DMM_WEDGE_PREDDIR_D_IDX ) { xParseWedgePredDirDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
979	#endif
980	#if HHI_DMM_PRED_TEX
981	if( intraPredMode == DMM_WEDGE_PREDTEX_D_IDX ) { xParseWedgePredTexDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
982	if( intraPredMode == DMM_CONTOUR_PREDTEX_D_IDX ) { xParseContourPredTexDeltaInfo( pcCU, uiAbsPartIdx, uiDepth ); }
983	#endif
984	}
985	else
986	{
987	#endif
988	#if !LOGI_INTRA_NAME_3MPM
989	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
990	#endif
991
992	#if LGE_EDGE_INTRA_A0070
993	Bool bCodeEdgeIntra = false;
994	if( pcCU->getSlice()->getSPS()->isDepth() )
995	{
996	UInt uiPUWidth = pcCU->getWidth( uiAbsPartIdx ) >> (pcCU->getPartitionSize( uiAbsPartIdx ) == SIZE_NxN ? 1 : 0);
997	if( uiPUWidth <= LGE_EDGE_INTRA_MAX_SIZE && uiPUWidth >= LGE_EDGE_INTRA_MIN_SIZE )
998	bCodeEdgeIntra = true;
999	}
1000	#endif
1001
1002	#if LOGI_INTRA_NAME_3MPM
1003	Int uiPreds[3] = {-1, -1, -1};
1004	#else
1005	Int uiPreds[2] = {-1, -1};
1006	#endif
1007	Int uiPredNum = pcCU->getIntraDirLumaPredictor(uiAbsPartIdx, uiPreds);
1008	#if LGE_EDGE_INTRA_A0070
1009	UInt uiCheckBit = 0;
1010	#endif
1011
1012	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 0) );
1013
1014	if ( uiSymbol )
1015	{
1016	m_pcTDecBinIf->decodeBinEP( uiSymbol );
1017	#if LOGI_INTRA_NAME_3MPM
1018	if (uiSymbol)
1019	{
1020	m_pcTDecBinIf->decodeBinEP( uiSymbol );
1021	uiSymbol++;
1022	}
1023	#endif
1024	intraPredMode = uiPreds[uiSymbol];
1025	}
1026	else
1027	{
1028	intraPredMode = 0;
1029
1030	#if LOGI_INTRA_NAME_3MPM
1031
1032	m_pcTDecBinIf->decodeBinsEP( uiSymbol, 5 );
1033	#if LGE_EDGE_INTRA_A0070
1034	if (bCodeEdgeIntra)
1035	{
1036	if (uiSymbol==31)
1037	{
1038	m_pcTDecBinIf->decodeBinsEP(uiCheckBit,1);
1039	if (uiCheckBit)
1040	uiSymbol = EDGE_INTRA_IDX;
1041	}
1042	}
1043	#endif
1044	intraPredMode = uiSymbol;
1045
1046	//postponed sorting of MPMs (only in remaining branch)
1047	if (uiPreds[0] > uiPreds[1])
1048	{
1049	std::swap(uiPreds[0], uiPreds[1]);
1050	}
1051	if (uiPreds[0] > uiPreds[2])
1052	{
1053	std::swap(uiPreds[0], uiPreds[2]);
1054	}
1055	if (uiPreds[1] > uiPreds[2])
1056	{
1057	std::swap(uiPreds[1], uiPreds[2]);
1058	}
1059	#else
1060	m_pcTDecBinIf->decodeBinsEP( uiSymbol, g_aucIntraModeBitsAng[iIntraIdx] - 1 );
1061	intraPredMode = uiSymbol;
1062
1063	if ( intraPredMode == 31 )
1064	{
1065	m_pcTDecBinIf->decodeBinEP( uiSymbol );
1066	intraPredMode += uiSymbol;
1067	}
1068	#endif
1069	#if LGE_EDGE_INTRA_A0070
1070	if ( intraPredMode != EDGE_INTRA_IDX)
1071	{
1072	#endif
1073	for ( Int i = 0; i < uiPredNum; i++ )
1074	{
1075	intraPredMode += ( intraPredMode >= uiPreds[i] );
1076	}
1077	#if LGE_EDGE_INTRA_A0070
1078	}
1079	#endif
1080	}
1081
1082	#if LGE_EDGE_INTRA_A0070
1083	if( intraPredMode == EDGE_INTRA_IDX )
1084	{
1085	xParseEdgeIntraInfo( pcCU, uiAbsPartIdx, uiDepth );
1086	#if LGE_EDGE_INTRA_DELTA_DC
1087	m_pcTDecBinIf->decodeBin( uiSymbol, m_cEdgeIntraDeltaDCSCModel.get(0, 0, 0) );
1088	if( uiSymbol )
1089	{
1090	intraPredMode = EDGE_INTRA_DELTA_IDX;
1091	Int iDeltaDC0;
1092	Int iDeltaDC1;
1093
1094	xReadExGolombLevel( (UInt &) iDeltaDC0, m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
1095	if( iDeltaDC0 != 0 )
1096	{
1097	UInt uiSign;
1098	m_pcTDecBinIf->decodeBinEP( uiSign );
1099	if ( uiSign )
1100	{
1101	iDeltaDC0 = -iDeltaDC0;
1102	}
1103	}
1104	xReadExGolombLevel( (UInt &) iDeltaDC1, m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
1105	if( iDeltaDC1 != 0 )
1106	{
1107	UInt uiSign;
1108	m_pcTDecBinIf->decodeBinEP( uiSign );
1109	if ( uiSign )
1110	{
1111	iDeltaDC1 = -iDeltaDC1;
1112	}
1113	}
1114
1115	pcCU->setEdgeDeltaDC0( uiAbsPartIdx, iDeltaDC0 );
1116	pcCU->setEdgeDeltaDC1( uiAbsPartIdx, iDeltaDC1 );
1117	}
1118	#endif
1119	}
1120	#endif
1121
1122	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
1123	}
1124	#endif
1125
1126	pcCU->setLumaIntraDirSubParts( (UChar)intraPredMode, uiAbsPartIdx, uiDepth );
1127	}
1128
1129	Void TDecSbac::parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
1130	{
1131	UInt uiSymbol;
1132
1133	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1134
1135	if( uiSymbol == 0 )
1136	{
1137	uiSymbol = DM_CHROMA_IDX;
1138	}
1139	else
1140	{
1141	if( pcCU->getSlice()->getSPS()->getUseLMChroma() )
1142	{
1143	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUChromaPredSCModel.get( 0, 0, 1 ) );
1144	}
1145	else
1146	{
1147	uiSymbol = 1;
1148	}
1149
1150	if( uiSymbol == 0 )
1151	{
1152	uiSymbol = LM_CHROMA_IDX;
1153	}
1154	else
1155	{
1156	UInt uiIPredMode;
1157	#if CHROMA_MODE_CODING
1158	m_pcTDecBinIf->decodeBinsEP( uiIPredMode, 2 );
1159	#else
1160	xReadUnaryMaxSymbol( uiIPredMode, m_cCUChromaPredSCModel.get( 0, 0 ) + 1, 0, 3 );
1161	#endif
1162	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1163	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1164	uiSymbol = uiAllowedChromaDir[ uiIPredMode ];
1165	}
1166	}
1167	pcCU->setChromIntraDirSubParts( uiSymbol, uiAbsPartIdx, uiDepth );
1168	return;
1169	}
1170
1171	Void TDecSbac::parseInterDir( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx, UInt uiDepth )
1172	{
1173	UInt uiSymbol;
1174	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1175	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1176	m_pcTDecBinIf->decodeBin( uiSymbol, *( pCtx + uiCtx ) );
1177
1178	if( uiSymbol )
1179	{
1180	uiSymbol = 2;
1181	}
1182
1183	uiSymbol++;
1184	ruiInterDir = uiSymbol;
1185	return;
1186	}
1187
1188	Void TDecSbac::parseRefFrmIdx( TComDataCU* pcCU, Int& riRefFrmIdx, UInt uiAbsPartIdx, UInt uiDepth, RefPicList eRefList )
1189	{
1190	UInt uiSymbol;
1191
1192	if(pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C ) > 0 && eRefList==REF_PIC_LIST_C)
1193	{
1194	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1195	m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx );
1196
1197	if( uiSymbol )
1198	{
1199	xReadUnaryMaxSymbol( uiSymbol, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_C )-2 );
1200	uiSymbol++;
1201	}
1202	riRefFrmIdx = uiSymbol;
1203	}
1204	else
1205	{
1206	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1207	m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx );
1208
1209	if( uiSymbol )
1210	{
1211	xReadUnaryMaxSymbol( uiSymbol, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( eRefList )-2 );
1212	uiSymbol++;
1213	}
1214	riRefFrmIdx = uiSymbol;
1215	}
1216
1217	return;
1218	}
1219
1220	Void TDecSbac::parseMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList )
1221	{
1222	UInt uiSymbol;
1223	UInt uiHorAbs;
1224	UInt uiVerAbs;
1225	UInt uiHorSign = 0;
1226	UInt uiVerSign = 0;
1227	ContextModel *pCtx = m_cCUMvdSCModel.get( 0 );
1228
1229	#if H0111_MVD_L1_ZERO
1230	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1231	{
1232	uiHorAbs=0;
1233	uiVerAbs=0;
1234	}
1235	else
1236	{
1237	#endif
1238
1239	m_pcTDecBinIf->decodeBin( uiHorAbs, *pCtx );
1240	m_pcTDecBinIf->decodeBin( uiVerAbs, *pCtx );
1241
1242	const Bool bHorAbsGr0 = uiHorAbs != 0;
1243	const Bool bVerAbsGr0 = uiVerAbs != 0;
1244	pCtx++;
1245
1246	if( bHorAbsGr0 )
1247	{
1248	m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx );
1249	uiHorAbs += uiSymbol;
1250	}
1251
1252	if( bVerAbsGr0 )
1253	{
1254	m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx );
1255	uiVerAbs += uiSymbol;
1256	}
1257
1258	if( bHorAbsGr0 )
1259	{
1260	if( 2 == uiHorAbs )
1261	{
1262	xReadEpExGolomb( uiSymbol, 1 );
1263	uiHorAbs += uiSymbol;
1264	}
1265
1266	m_pcTDecBinIf->decodeBinEP( uiHorSign );
1267	}
1268
1269	if( bVerAbsGr0 )
1270	{
1271	if( 2 == uiVerAbs )
1272	{
1273	xReadEpExGolomb( uiSymbol, 1 );
1274	uiVerAbs += uiSymbol;
1275	}
1276
1277	m_pcTDecBinIf->decodeBinEP( uiVerSign );
1278	}
1279
1280	#if H0111_MVD_L1_ZERO
1281	}
1282	#endif
1283
1284	const TComMv cMv( uiHorSign ? -Int( uiHorAbs ): uiHorAbs, uiVerSign ? -Int( uiVerAbs ) : uiVerAbs );
1285	pcCU->getCUMvField( eRefList )->setAllMvd( cMv, pcCU->getPartitionSize( uiAbsPartIdx ), uiAbsPartIdx, uiDepth, uiPartIdx );
1286	return;
1287	}
1288
1289
1290	Void TDecSbac::parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize )
1291	{
1292	m_pcTDecBinIf->decodeBin( ruiSubdivFlag, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiLog2TransformBlockSize ) );
1293	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1294	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
1295	DTRACE_CABAC_T( "\tsymbol=" )
1296	DTRACE_CABAC_V( ruiSubdivFlag )
1297	DTRACE_CABAC_T( "\tctx=" )
1298	DTRACE_CABAC_V( uiLog2TransformBlockSize )
1299	DTRACE_CABAC_T( "\n" )
1300	}
1301
1302	Void TDecSbac::parseQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt& uiQtRootCbf )
1303	{
1304	UInt uiSymbol;
1305	const UInt uiCtx = 0;
1306	m_pcTDecBinIf->decodeBin( uiSymbol , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1307	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1308	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1309	DTRACE_CABAC_T( "\tsymbol=" )
1310	DTRACE_CABAC_V( uiSymbol )
1311	DTRACE_CABAC_T( "\tctx=" )
1312	DTRACE_CABAC_V( uiCtx )
1313	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1314	DTRACE_CABAC_V( uiAbsPartIdx )
1315	DTRACE_CABAC_T( "\n" )
1316
1317	uiQtRootCbf = uiSymbol;
1318	}
1319
1320	Void TDecSbac::parseDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
1321	{
1322	#if H0736_AVC_STYLE_QP_RANGE
1323	Int qp;
1324	#endif
1325	UInt uiDQp;
1326	Int iDQp;
1327
1328	m_pcTDecBinIf->decodeBin( uiDQp, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) );
1329
1330	if ( uiDQp == 0 )
1331	{
1332	#if H0736_AVC_STYLE_QP_RANGE
1333	qp = pcCU->getRefQP(uiAbsPartIdx);
1334	#else
1335	uiDQp = pcCU->getRefQP(uiAbsPartIdx);
1336	#endif
1337	}
1338	else
1339	{
1340	UInt uiSign;
1341	#if H0736_AVC_STYLE_QP_RANGE
1342	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY();
1343	#else
1344	UInt uiQpBdOffsetY = 6*(g_uiBitIncrement + g_uiBitDepth - 8);
1345	#endif
1346	m_pcTDecBinIf->decodeBinEP(uiSign);
1347
1348	#if H0736_AVC_STYLE_QP_RANGE
1349	UInt uiMaxAbsDQpMinus1 = 24 + (qpBdOffsetY/2) + (uiSign);
1350	#else
1351	UInt uiMaxAbsDQpMinus1 = 24 + (uiQpBdOffsetY/2) + (uiSign);
1352	#endif
1353	UInt uiAbsDQpMinus1;
1354	xReadUnaryMaxSymbol (uiAbsDQpMinus1, &m_cCUDeltaQpSCModel.get( 0, 0, 1 ), 1, uiMaxAbsDQpMinus1);
1355
1356	iDQp = uiAbsDQpMinus1 + 1;
1357
1358	if(uiSign)
1359	{
1360	iDQp = -iDQp;
1361	}
1362
1363	#if H0736_AVC_STYLE_QP_RANGE
1364	qp = (((Int) pcCU->getRefQP( uiAbsPartIdx ) + iDQp + 52 + 2*qpBdOffsetY )%(52+qpBdOffsetY)) - qpBdOffsetY;
1365	#else
1366	#if LOSSLESS_CODING
1367	uiDQp = (pcCU->getRefQP(uiAbsPartIdx) + iDQp + 52) % 52;
1368	#else
1369	uiDQp = pcCU->getRefQP(uiAbsPartIdx) + iDQp;
1370	#endif
1371	#endif
1372	}
1373
1374	UInt uiAbsQpCUPartIdx = (uiAbsPartIdx>>(8-(pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()<<1)))<<(8-(pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()<<1)) ;
1375	UInt uiQpCUDepth = min(uiDepth,pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()) ;
1376	#if H0736_AVC_STYLE_QP_RANGE
1377	pcCU->setQPSubParts( qp, uiAbsQpCUPartIdx, uiQpCUDepth );
1378	#else
1379	pcCU->setQPSubParts( uiDQp, uiAbsQpCUPartIdx, uiQpCUDepth );
1380	#endif
1381	}
1382
1383	Void TDecSbac::parseQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth )
1384	{
1385	UInt uiSymbol;
1386	const UInt uiCtx = pcCU->getCtxQtCbf( uiAbsPartIdx, eType, uiTrDepth );
1387	m_pcTDecBinIf->decodeBin( uiSymbol , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA: eType, uiCtx ) );
1388
1389	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1390	DTRACE_CABAC_T( "\tparseQtCbf()" )
1391	DTRACE_CABAC_T( "\tsymbol=" )
1392	DTRACE_CABAC_V( uiSymbol )
1393	DTRACE_CABAC_T( "\tctx=" )
1394	DTRACE_CABAC_V( uiCtx )
1395	DTRACE_CABAC_T( "\tetype=" )
1396	DTRACE_CABAC_V( eType )
1397	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1398	DTRACE_CABAC_V( uiAbsPartIdx )
1399	DTRACE_CABAC_T( "\n" )
1400
1401	pcCU->setCbfSubParts( uiSymbol << uiTrDepth, eType, uiAbsPartIdx, uiDepth );
1402	}
1403
1404	/** Parse (X,Y) position of the last significant coefficient
1405	* \param uiPosLastX reference to X component of last coefficient
1406	* \param uiPosLastY reference to Y component of last coefficient
1407	* \param width Block width
1408	* \param height Block height
1409	* \param eTType plane type / luminance or chrominance
1410	* \param uiScanIdx scan type (zig-zag, hor, ver)
1411	*
1412	* This method decodes the X and Y component within a block of the last significant coefficient.
1413	*/
1414	Void TDecSbac::parseLastSignificantXY( UInt& uiPosLastX, UInt& uiPosLastY, Int width, Int height, TextType eTType, UInt uiScanIdx )
1415	{
1416	UInt uiLast;
1417	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
1418	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
1419
1420	// posX
1421	#if LAST_CTX_REDUCTION
1422	Int widthCtx = eTType ? 4 : width;
1423	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ widthCtx ] ( g_aucConvertToBit[ widthCtx ] + 3 ) );
1424	#else
1425	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ width ] ( g_aucConvertToBit[ width ] + 3 ) );
1426	#endif
1427	for( uiPosLastX = 0; uiPosLastX < g_uiGroupIdx[ width - 1 ]; uiPosLastX++ )
1428	{
1429	#if LAST_CTX_REDUCTION
1430	if ( eTType )
1431	{
1432	m_pcTDecBinIf->decodeBin( uiLast, *( pCtxX + (uiPosLastX>>g_aucConvertToBit[ width ]) ) );
1433	}
1434	else
1435	{
1436	#endif
1437	m_pcTDecBinIf->decodeBin( uiLast, *( pCtxX + puiCtxIdxX[ uiPosLastX ] ) );
1438	#if LAST_CTX_REDUCTION
1439	}
1440	#endif
1441	if( !uiLast )
1442	{
1443	break;
1444	}
1445	}
1446
1447	// posY
1448	#if LAST_CTX_REDUCTION
1449	Int heightCtx = eTType? 4 : height;
1450	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ heightCtx ] ( g_aucConvertToBit[ heightCtx ] + 3 ) );
1451	#else
1452	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ height ] ( g_aucConvertToBit[ height ] + 3 ) );
1453	#endif
1454	for( uiPosLastY = 0; uiPosLastY < g_uiGroupIdx[ height - 1 ]; uiPosLastY++ )
1455	{
1456	#if LAST_CTX_REDUCTION
1457	if (eTType)
1458	{
1459	m_pcTDecBinIf->decodeBin( uiLast, *( pCtxY + (uiPosLastY>>g_aucConvertToBit[ height ]) ) );
1460	}
1461	else
1462	{
1463	#endif
1464	m_pcTDecBinIf->decodeBin( uiLast, *( pCtxY + puiCtxIdxY[ uiPosLastY ] ) );
1465	#if LAST_CTX_REDUCTION
1466	}
1467	#endif
1468	if( !uiLast )
1469	{
1470	break;
1471	}
1472	}
1473	if ( uiPosLastX > 3 )
1474	{
1475	UInt uiTemp = 0;
1476	UInt uiCount = ( uiPosLastX - 2 ) >> 1;
1477	for ( Int i = uiCount - 1; i >= 0; i-- )
1478	{
1479	m_pcTDecBinIf->decodeBinEP( uiLast );
1480	uiTemp += uiLast << i;
1481	}
1482	uiPosLastX = g_uiMinInGroup[ uiPosLastX ] + uiTemp;
1483	}
1484	if ( uiPosLastY > 3 )
1485	{
1486	UInt uiTemp = 0;
1487	UInt uiCount = ( uiPosLastY - 2 ) >> 1;
1488	for ( Int i = uiCount - 1; i >= 0; i-- )
1489	{
1490	m_pcTDecBinIf->decodeBinEP( uiLast );
1491	uiTemp += uiLast << i;
1492	}
1493	uiPosLastY = g_uiMinInGroup[ uiPosLastY ] + uiTemp;
1494	}
1495
1496	if( uiScanIdx == SCAN_VER )
1497	{
1498	swap( uiPosLastX, uiPosLastY );
1499	}
1500	}
1501
1502	Void TDecSbac::parseCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType )
1503	{
1504	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1505	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1506	DTRACE_CABAC_V( eTType )
1507	DTRACE_CABAC_T( "\twidth=" )
1508	DTRACE_CABAC_V( uiWidth )
1509	DTRACE_CABAC_T( "\theight=" )
1510	DTRACE_CABAC_V( uiHeight )
1511	DTRACE_CABAC_T( "\tdepth=" )
1512	DTRACE_CABAC_V( uiDepth )
1513	DTRACE_CABAC_T( "\tabspartidx=" )
1514	DTRACE_CABAC_V( uiAbsPartIdx )
1515	DTRACE_CABAC_T( "\ttoCU-X=" )
1516	DTRACE_CABAC_V( pcCU->getCUPelX() )
1517	DTRACE_CABAC_T( "\ttoCU-Y=" )
1518	DTRACE_CABAC_V( pcCU->getCUPelY() )
1519	DTRACE_CABAC_T( "\tCU-addr=" )
1520	DTRACE_CABAC_V( pcCU->getAddr() )
1521	DTRACE_CABAC_T( "\tinCU-X=" )
1522	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1523	DTRACE_CABAC_T( "\tinCU-Y=" )
1524	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1525	DTRACE_CABAC_T( "\tpredmode=" )
1526	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1527	DTRACE_CABAC_T( "\n" )
1528
1529	if( uiWidth > pcCU->getSlice()->getSPS()->getMaxTrSize() )
1530	{
1531	uiWidth = pcCU->getSlice()->getSPS()->getMaxTrSize();
1532	uiHeight = pcCU->getSlice()->getSPS()->getMaxTrSize();
1533	}
1534
1535	eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA );
1536
1537	//----- parse significance map -----
1538	const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2;
1539	const UInt uiMaxNumCoeff = uiWidth * uiHeight;
1540	const UInt uiMaxNumCoeffM1 = uiMaxNumCoeff - 1;
1541	UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx));
1542	int blockType = uiLog2BlockSize;
1543	if (uiWidth != uiHeight)
1544	{
1545	uiScanIdx = SCAN_DIAG;
1546	blockType = 4;
1547	}
1548
1549	//===== decode last significant =====
1550	UInt uiPosLastX, uiPosLastY;
1551	parseLastSignificantXY( uiPosLastX, uiPosLastY, uiWidth, uiHeight, eTType, uiScanIdx );
1552	UInt uiBlkPosLast = uiPosLastX + (uiPosLastY<<uiLog2BlockSize);
1553	pcCoef[ uiBlkPosLast ] = 1;
1554
1555	//===== decode significance flags =====
1556	UInt uiScanPosLast = uiBlkPosLast;
1557	if (uiScanIdx == SCAN_ZIGZAG)
1558	{
1559	// Map zigzag to diagonal scan
1560	uiScanIdx = SCAN_DIAG;
1561	}
1562	const UInt * scan;
1563	if (uiWidth == uiHeight)
1564	{
1565	scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize-1 ];
1566	}
1567	else
1568	{
1569	scan = g_sigScanNSQT[ uiLog2BlockSize - 2 ];
1570	}
1571	for( uiScanPosLast = 0; uiScanPosLast < uiMaxNumCoeffM1; uiScanPosLast++ )
1572	{
1573	UInt uiBlkPos = scan[ uiScanPosLast ];
1574	if( uiBlkPosLast == uiBlkPos )
1575	{
1576	break;
1577	}
1578	}
1579
1580	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType );
1581	ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA;
1582
1583	const Int iLastScanSet = uiScanPosLast >> LOG2_SCAN_SET_SIZE;
1584	UInt uiNumOne = 0;
1585	UInt uiGoRiceParam = 0;
1586
1587	#if MULTIBITS_DATA_HIDING
1588	UInt const tsig = pcCU->getSlice()->getPPS()->getTSIG();
1589	#if LOSSLESS_CODING
1590	Bool beValid;
1591	if (pcCU->isLosslessCoded(uiAbsPartIdx))
1592	{
1593	beValid = false;
1594	}
1595	else
1596	{
1597	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1598	}
1599	#else
1600	Bool beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1601	#endif
1602	UInt absSum = 0;
1603	#endif // MULTIBITS_DATA_HIDING
1604
1605	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1606	::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1607	const UInt uiNumBlkSide = uiWidth >> (MLS_CG_SIZE >> 1);
1608	const UInt * scanCG;
1609	if (uiWidth == uiHeight)
1610	{
1611	scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ];
1612	#if MULTILEVEL_SIGMAP_EXT
1613	if( uiLog2BlockSize == 3 )
1614	{
1615	scanCG = g_sigLastScan8x8[ uiScanIdx ];
1616	}
1617	else if( uiLog2BlockSize == 5 )
1618	{
1619	scanCG = g_sigLastScanCG32x32;
1620	}
1621	#endif
1622	}
1623	else
1624	{
1625	scanCG = g_sigCGScanNSQT[ uiLog2BlockSize - 2 ];
1626	}
1627	Int iScanPosSig = (Int) uiScanPosLast;
1628	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1629	{
1630	Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE;
1631	uiGoRiceParam = 0;
1632	Int numNonZero = 0;
1633
1634	#if MULTIBITS_DATA_HIDING
1635	Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE;
1636	#endif
1637
1638	Int pos[SCAN_SET_SIZE];
1639	if( iScanPosSig == (Int) uiScanPosLast )
1640	{
1641	#if MULTIBITS_DATA_HIDING
1642	lastNZPosInCG = iScanPosSig;
1643	firstNZPosInCG = iScanPosSig;
1644	#endif
1645	iScanPosSig--;
1646	pos[ numNonZero ] = uiBlkPosLast;
1647	numNonZero = 1;
1648	}
1649
1650	#if !MULTILEVEL_SIGMAP_EXT
1651	if( blockType > 3 )
1652	{
1653	#endif
1654	// decode significant_coeffgroup_flag
1655	Int iCGBlkPos = scanCG[ iSubSet ];
1656	Int iCGPosY = iCGBlkPos / uiNumBlkSide;
1657	Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide);
1658	#if MULTILEVEL_SIGMAP_EXT
1659	if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR \|\| uiScanIdx == SCAN_VER) )
1660	{
1661	iCGPosY = (uiScanIdx == SCAN_HOR ? iCGBlkPos : 0);
1662	iCGPosX = (uiScanIdx == SCAN_VER ? iCGBlkPos : 0);
1663	}
1664	#endif
1665	#if !REMOVE_INFER_SIGGRP
1666	Bool bInferredCGFlag = false;
1667	#endif
1668	#if REMOVE_INFER_SIGGRP
1669	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1670	#else
1671	if( iSubSet == iLastScanSet )
1672	#endif
1673	{
1674	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1675	}
1676	else
1677	{
1678	#if !REMOVE_INFER_SIGGRP
1679	#if MULTILEVEL_SIGMAP_EXT
1680	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight) && ( iSubSet ) )
1681	#else
1682	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight) && ( iSubSet ) )
1683	#endif
1684	{
1685	#endif
1686	UInt uiSigCoeffGroup;
1687	#if MULTILEVEL_SIGMAP_EXT
1688	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight );
1689	#else
1690	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1691	#endif
1692	m_pcTDecBinIf->decodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1693	uiSigCoeffGroupFlag[ iCGBlkPos ] = uiSigCoeffGroup;
1694	#if !REMOVE_INFER_SIGGRP
1695	}
1696	else
1697	{
1698	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1699	bInferredCGFlag = true;
1700	}
1701	#endif
1702	}
1703
1704	// decode significant_coeff_flag
1705	UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig;
1706	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1707	{
1708	uiBlkPos = scan[ iScanPosSig ];
1709	uiPosY = uiBlkPos >> uiLog2BlockSize;
1710	uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1711	uiSig = 0;
1712
1713	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1714	{
1715	#if REMOVE_INFER_SIGGRP
1716	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1717	#else
1718	if( iScanPosSig > iSubPos \|\| bInferredCGFlag \|\| numNonZero )
1719	#endif
1720	{
1721	uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1722	m_pcTDecBinIf->decodeBin( uiSig, baseCtx[ uiCtxSig ] );
1723	}
1724	else
1725	{
1726	uiSig = 1;
1727	}
1728	}
1729	pcCoef[ uiBlkPos ] = uiSig;
1730	if( uiSig )
1731	{
1732	pos[ numNonZero ] = uiBlkPos;
1733	numNonZero ++;
1734	#if MULTIBITS_DATA_HIDING
1735	if( lastNZPosInCG == -1 )
1736	{
1737	lastNZPosInCG = iScanPosSig;
1738	}
1739	firstNZPosInCG = iScanPosSig;
1740	#endif
1741	}
1742	}
1743	#if !MULTILEVEL_SIGMAP_EXT
1744	}
1745	else
1746	{
1747	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1748	{
1749	UInt uiBlkPos = scan[ iScanPosSig ];
1750	UInt uiPosY = uiBlkPos >> uiLog2BlockSize;
1751	UInt uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1752	UInt uiSig = 0;
1753	UInt uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1754	m_pcTDecBinIf->decodeBin( uiSig, baseCtx[ uiCtxSig ] );
1755	pcCoef[ uiBlkPos ] = uiSig;
1756	if( uiSig )
1757	{
1758	pos[ numNonZero ] = uiBlkPos;
1759	numNonZero ++;
1760	#if MULTIBITS_DATA_HIDING
1761	if( lastNZPosInCG == -1 )
1762	{
1763	lastNZPosInCG = iScanPosSig;
1764	}
1765	firstNZPosInCG = iScanPosSig;
1766	#endif
1767	}
1768	}
1769	}
1770	#endif
1771
1772
1773	if( numNonZero )
1774	{
1775	#if MULTIBITS_DATA_HIDING
1776	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= (Int)tsig );
1777	absSum = 0;
1778	#endif // MULTIBITS_DATA_HIDING
1779
1780	UInt c1 = 1;
1781	#if !RESTRICT_GR1GR2FLAG_NUMBER
1782	UInt c2 = 0;
1783	#endif
1784	#if LEVEL_CTX_LUMA_RED
1785	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0;
1786	#else
1787	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 3 : 0;
1788	#endif
1789	UInt uiBin;
1790
1791	if( uiNumOne > 0 )
1792	{
1793	uiCtxSet++;
1794	#if !LEVEL_CTX_LUMA_RED
1795	if(eTType==TEXT_LUMA && uiNumOne > 3)
1796	{
1797	uiCtxSet++;
1798	}
1799	#endif
1800	}
1801
1802	uiNumOne >>= 1;
1803	ContextModel baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet;
1804	Int absCoeff[SCAN_SET_SIZE];
1805
1806	#if RESTRICT_GR1GR2FLAG_NUMBER
1807	for ( Int i = 0; i < numNonZero; i++) absCoeff[i] = 1;
1808	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
1809	Int firstC2FlagIdx = -1;
1810
1811	for( Int idx = 0; idx < numC1Flag; idx++ )
1812	#else
1813	for( Int idx = 0; idx < numNonZero; idx++ )
1814	#endif
1815	{
1816	m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[c1] );
1817	if( uiBin == 1 )
1818	{
1819	c1 = 0;
1820	#if RESTRICT_GR1GR2FLAG_NUMBER
1821	if (firstC2FlagIdx == -1)
1822	{
1823	firstC2FlagIdx = idx;
1824	}
1825	#endif
1826	}
1827	else if( (c1 < 3) && (c1 > 0) )
1828	{
1829	c1++;
1830	}
1831	absCoeff[ idx ] = uiBin + 1;
1832	}
1833
1834	if (c1 == 0)
1835	{
1836	#if RESTRICT_GR1GR2FLAG_NUMBER
1837	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet;
1838	if ( firstC2FlagIdx != -1)
1839	{
1840	m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[0] );
1841	absCoeff[ firstC2FlagIdx ] = uiBin + 2;
1842	}
1843	#else
1844	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + 3 * uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + 3 * uiCtxSet;
1845	for( Int idx = 0; idx < numNonZero; idx++ )
1846	{
1847	if( absCoeff[ idx ] == 2 )
1848	{
1849	m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[c2] );
1850	absCoeff[ idx ] = uiBin + 2;
1851	c2 += (c2 < 2);
1852	uiNumOne++;
1853	}
1854	}
1855	#endif
1856	}
1857
1858	#if MULTIBITS_DATA_HIDING
1859	UInt coeffSigns;
1860	if ( signHidden && beValid )
1861	{
1862	m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero-1 );
1863	coeffSigns <<= 32 - (numNonZero-1);
1864	}
1865	else
1866	{
1867	m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero );
1868	coeffSigns <<= 32 - numNonZero;
1869	}
1870	#else
1871	UInt coeffSigns;
1872	m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero );
1873	coeffSigns <<= 32 - numNonZero;
1874	#endif
1875
1876	#if RESTRICT_GR1GR2FLAG_NUMBER
1877	Int iFirstCoeff2 = 1;
1878	if (c1 == 0 \|\| numNonZero > C1FLAG_NUMBER)
1879	#else
1880	if (c1 == 0)
1881	#endif
1882	{
1883	for( Int idx = 0; idx < numNonZero; idx++ )
1884	{
1885	#if RESTRICT_GR1GR2FLAG_NUMBER
1886	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2) : 1;
1887
1888	if( absCoeff[ idx ] == baseLevel)
1889	{
1890	UInt uiLevel;
1891	xReadGoRiceExGolomb( uiLevel, uiGoRiceParam );
1892	absCoeff[ idx ] = uiLevel + baseLevel;
1893	}
1894
1895	if(absCoeff[ idx ] >= 2)
1896	{
1897	iFirstCoeff2 = 0;
1898	uiNumOne++;
1899	}
1900	#else
1901	if( absCoeff[ idx ] == 3 )
1902	{
1903	UInt uiLevel;
1904	xReadGoRiceExGolomb( uiLevel, uiGoRiceParam );
1905	absCoeff[ idx ] = uiLevel + 3;
1906	}
1907	#endif
1908	}
1909	}
1910
1911	for( Int idx = 0; idx < numNonZero; idx++ )
1912	{
1913	Int blkPos = pos[ idx ];
1914	#if MULTIBITS_DATA_HIDING
1915	// Signs applied later.
1916	pcCoef[ blkPos ] = absCoeff[ idx ];
1917	absSum += absCoeff[ idx ];
1918
1919	if ( idx == numNonZero-1 && signHidden && beValid )
1920	{
1921	// Infer sign of 1st element.
1922	if (absSum&0x1)
1923	pcCoef[ blkPos ] = -pcCoef[ blkPos ];
1924	}
1925	else
1926	{
1927	Int sign = static_cast<Int>( coeffSigns ) >> 31;
1928	pcCoef[ blkPos ] = ( pcCoef[ blkPos ] ^ sign ) - sign;
1929	coeffSigns <<= 1;
1930	}
1931	#else
1932	Int sign = static_cast<Int>( coeffSigns ) >> 31;
1933	pcCoef[ blkPos ] = ( absCoeff[ idx ] ^ sign ) - sign;
1934	coeffSigns <<= 1;
1935	#endif
1936	}
1937	}
1938	else
1939	{
1940	uiNumOne >>= 1;
1941	}
1942	}
1943
1944	return;
1945	}
1946
1947
1948	#if SAO_UNIT_INTERLEAVING
1949	Void TDecSbac::parseSaoUvlc (UInt& ruiVal)
1950	{
1951	UInt uiCode;
1952	Int i;
1953
1954	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoUvlcSCModel.get( 0, 0, 0 ) );
1955	if ( uiCode == 0 )
1956	{
1957	ruiVal = 0;
1958	return;
1959	}
1960
1961	i=1;
1962	while (1)
1963	{
1964	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoUvlcSCModel.get( 0, 0, 1 ) );
1965	if ( uiCode == 0 ) break;
1966	i++;
1967	}
1968
1969	ruiVal = i;
1970	}
1971
1972	Void TDecSbac::parseSaoSvlc (Int& riVal)
1973	{
1974	UInt uiCode;
1975	Int iSign;
1976	Int i;
1977
1978	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoSvlcSCModel.get( 0, 0, 0 ) );
1979
1980	if ( uiCode == 0 )
1981	{
1982	riVal = 0;
1983	return;
1984	}
1985
1986	// read sign
1987	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoSvlcSCModel.get( 0, 0, 1 ) );
1988
1989	if ( uiCode == 0 )
1990	{
1991	iSign = 1;
1992	}
1993	else
1994	{
1995	iSign = -1;
1996	}
1997
1998	// read magnitude
1999	i=1;
2000	while (1)
2001	{
2002	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoSvlcSCModel.get( 0, 0, 2 ) );
2003	if ( uiCode == 0 ) break;
2004	i++;
2005	}
2006
2007	riVal = i*iSign;
2008	}
2009
2010	Void TDecSbac::parseSaoUflc (UInt& riVal)
2011	{
2012	UInt uiSymbol;
2013	riVal = 0;
2014	for (Int i=0;i<5;i++)
2015	{
2016	m_pcTDecBinIf->decodeBinEP ( uiSymbol );
2017	if (uiSymbol)
2018	{
2019	riVal \|= (1<<i);
2020	}
2021	}
2022	}
2023	Void TDecSbac::parseSaoMergeLeft (UInt& ruiVal, UInt uiCompIdx)
2024	{
2025	UInt uiCode;
2026	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ) );
2027	ruiVal = (Int)uiCode;
2028	}
2029
2030	Void TDecSbac::parseSaoMergeUp (UInt& ruiVal)
2031	{
2032	UInt uiCode;
2033	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoMergeUpSCModel.get( 0, 0, 0 ) );
2034	ruiVal = (Int)uiCode;
2035	}
2036	Void TDecSbac::parseSaoTypeIdx (UInt& ruiVal)
2037	{
2038	UInt uiCode;
2039	Int i;
2040	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2041	if ( uiCode == 0 )
2042	{
2043	ruiVal = 0;
2044	return;
2045	}
2046	i=1;
2047	while (1)
2048	{
2049	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) );
2050	if ( uiCode == 0 ) break;
2051	i++;
2052	}
2053	ruiVal = i;
2054	}
2055
2056	inline Void copySaoOneLcuParam(SaoLcuParam* psDst, SaoLcuParam* psSrc)
2057	{
2058	Int i;
2059	psDst->partIdx = psSrc->partIdx;
2060	psDst->typeIdx = psSrc->typeIdx;
2061	if (psDst->typeIdx != -1)
2062	{
2063	if (psDst->typeIdx == SAO_BO)
2064	{
2065	psDst->bandPosition = psSrc->bandPosition ;
2066	}
2067	else
2068	{
2069	psDst->bandPosition = 0;
2070	}
2071	psDst->length = psSrc->length;
2072	for (i=0;i<psDst->length;i++)
2073	{
2074	psDst->offset[i] = psSrc->offset[i];
2075	}
2076	}
2077	else
2078	{
2079	psDst->length = 0;
2080	for (i=0;i<SAO_BO_LEN;i++)
2081	{
2082	psDst->offset[i] = 0;
2083	}
2084	}
2085	}
2086	Void TDecSbac::parseSaoOffset(SaoLcuParam* psSaoLcuParam)
2087	{
2088	UInt uiSymbol;
2089	Int iSymbol;
2090	static Int iTypeLength[MAX_NUM_SAO_TYPE] = {
2091	SAO_EO_LEN,
2092	SAO_EO_LEN,
2093	SAO_EO_LEN,
2094	SAO_EO_LEN,
2095	SAO_BO_LEN
2096	};
2097
2098	parseSaoTypeIdx(uiSymbol);
2099	psSaoLcuParam->typeIdx = (Int)uiSymbol - 1;
2100	if (uiSymbol)
2101	{
2102	psSaoLcuParam->length = iTypeLength[psSaoLcuParam->typeIdx];
2103	if( psSaoLcuParam->typeIdx == SAO_BO )
2104	{
2105	// Parse Left Band Index
2106	parseSaoUflc( uiSymbol );
2107	psSaoLcuParam->bandPosition = uiSymbol;
2108	for(Int i=0; i< psSaoLcuParam->length; i++)
2109	{
2110	parseSaoSvlc(iSymbol);
2111	psSaoLcuParam->offset[i] = iSymbol;
2112	}
2113	}
2114	else if( psSaoLcuParam->typeIdx < 4 )
2115	{
2116	parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[0] = uiSymbol;
2117	parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[1] = uiSymbol;
2118	parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[2] = -(Int)uiSymbol;
2119	parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[3] = -(Int)uiSymbol;
2120	}
2121	}
2122	else
2123	{
2124	psSaoLcuParam->length = 0;
2125	}
2126	}
2127
2128	Void TDecSbac::parseSaoOneLcuInterleaving(Int rx, Int ry, SAOParam* pSaoParam, TComDataCU* pcCU, Int iCUAddrInSlice, Int iCUAddrUpInSlice, Bool bLFCrossSliceBoundaryFlag)
2129	{
2130	Int iAddr = pcCU->getAddr();
2131	UInt uiSymbol;
2132	for (Int iCompIdx=0; iCompIdx<3; iCompIdx++)
2133	{
2134	pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag = 0;
2135	pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag = 0;
2136	pSaoParam->saoLcuParam[iCompIdx][iAddr].bandPosition = 0;
2137	pSaoParam->saoLcuParam[iCompIdx][iAddr].typeIdx = -1;
2138	pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[0] = 0;
2139	pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[1] = 0;
2140	pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[2] = 0;
2141	pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[3] = 0;
2142
2143	if (pSaoParam->bSaoFlag[iCompIdx])
2144	{
2145	if (rx>0 && iCUAddrInSlice!=0)
2146	{
2147	parseSaoMergeLeft(uiSymbol,iCompIdx); pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag = (Int)uiSymbol;
2148	}
2149	else
2150	{
2151	pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag = 0;
2152	}
2153
2154	if (pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag==0)
2155	{
2156	if ((ry > 0) && (iCUAddrUpInSlice>0\|\|bLFCrossSliceBoundaryFlag))
2157	{
2158	parseSaoMergeUp(uiSymbol); pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag = uiSymbol;
2159	}
2160	else
2161	{
2162	pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag = 0;
2163	}
2164	if (!pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag)
2165	{
2166	parseSaoOffset(&(pSaoParam->saoLcuParam[iCompIdx][iAddr]));
2167	}
2168	else
2169	{
2170	copySaoOneLcuParam(&pSaoParam->saoLcuParam[iCompIdx][iAddr], &pSaoParam->saoLcuParam[iCompIdx][iAddr-pSaoParam->numCuInWidth]);
2171	}
2172	}
2173	else
2174	{
2175	copySaoOneLcuParam(&pSaoParam->saoLcuParam[iCompIdx][iAddr], &pSaoParam->saoLcuParam[iCompIdx][iAddr-1]);
2176	}
2177	}
2178	else
2179	{
2180	pSaoParam->saoLcuParam[iCompIdx][iAddr].typeIdx = -1;
2181	pSaoParam->saoLcuParam[iCompIdx][iAddr].bandPosition = 0;
2182	}
2183	}
2184	}
2185	#endif
2186
2187	/**
2188	- Initialize our contexts from the nominated source.
2189	.
2190	\param pSrc Contexts to be copied.
2191	*/
2192	Void TDecSbac::xCopyContextsFrom( TDecSbac* pSrc )
2193	{
2194	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2195	}
2196
2197	Void TDecSbac::xCopyFrom( TDecSbac* pSrc )
2198	{
2199	m_pcTDecBinIf->copyState( pSrc->m_pcTDecBinIf );
2200
2201	m_uiLastQp = pSrc->m_uiLastQp;
2202	xCopyContextsFrom( pSrc );
2203
2204	}
2205
2206	Void TDecSbac::load ( TDecSbac* pScr )
2207	{
2208	xCopyFrom(pScr);
2209	}
2210
2211	Void TDecSbac::loadContexts ( TDecSbac* pScr )
2212	{
2213	xCopyContextsFrom(pScr);
2214	}
2215
2216	#if OL_FLUSH
2217	Void TDecSbac::decodeFlush ( )
2218	{
2219	UInt uiBit;
2220	m_pcTDecBinIf->decodeBinTrm(uiBit);
2221	m_pcTDecBinIf->flush();
2222
2223	}
2224	#endif
2225
2226	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX \|\| (LGE_EDGE_INTRA_A0070 && LGE_EDGE_INTRA_DELTA_DC)
2227	Void TDecSbac::xReadExGolombLevel( UInt& ruiSymbol, ContextModel& rcSCModel )
2228	{
2229	UInt uiSymbol;
2230	UInt uiCount = 0;
2231	do
2232	{
2233	m_pcTDecBinIf->decodeBin( uiSymbol, rcSCModel );
2234	uiCount++;
2235	}
2236	while( uiSymbol && ( uiCount != 13 ) );
2237
2238	ruiSymbol = uiCount - 1;
2239
2240	if( uiSymbol )
2241	{
2242	xReadEpExGolomb( uiSymbol, 0 );
2243	ruiSymbol += uiSymbol + 1;
2244	}
2245
2246	return;
2247	}
2248	#endif
2249	#if HHI_DMM_WEDGE_INTRA
2250	Void TDecSbac::xParseWedgeFullInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2251	{
2252	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2253	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2254
2255	UInt uiSymbol, uiTabIdx = 0;
2256	for ( Int i = 0; i < iBits; i++ )
2257	{
2258	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 0) );
2259	uiTabIdx += ( uiSymbol && i == 0 ) ? 1 : 0;
2260	uiTabIdx += ( uiSymbol && i == 1 ) ? 2 : 0;
2261	uiTabIdx += ( uiSymbol && i == 2 ) ? 4 : 0;
2262	uiTabIdx += ( uiSymbol && i == 3 ) ? 8 : 0;
2263	uiTabIdx += ( uiSymbol && i == 4 ) ? 16 : 0;
2264	uiTabIdx += ( uiSymbol && i == 5 ) ? 32 : 0;
2265	uiTabIdx += ( uiSymbol && i == 6 ) ? 64 : 0;
2266	uiTabIdx += ( uiSymbol && i == 7 ) ? 128 : 0;
2267	uiTabIdx += ( uiSymbol && i == 8 ) ? 256 : 0;
2268	uiTabIdx += ( uiSymbol && i == 9 ) ? 512 : 0;
2269	uiTabIdx += ( uiSymbol && i == 10 ) ? 1024 : 0;
2270	uiTabIdx += ( uiSymbol && i == 11 ) ? 2048 : 0;
2271	uiTabIdx += ( uiSymbol && i == 12 ) ? 4096 : 0;
2272	}
2273
2274	pcCU->setWedgeFullTabIdxSubParts( uiTabIdx, uiAbsPartIdx, uiDepth );
2275	}
2276
2277	Void TDecSbac::xParseWedgeFullDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2278	{
2279	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2280	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2281
2282	UInt uiSymbol, uiTabIdx = 0;
2283	for ( Int i = 0; i < iBits; i++ )
2284	{
2285	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 0) );
2286	uiTabIdx += ( uiSymbol && i == 0 ) ? 1 : 0;
2287	uiTabIdx += ( uiSymbol && i == 1 ) ? 2 : 0;
2288	uiTabIdx += ( uiSymbol && i == 2 ) ? 4 : 0;
2289	uiTabIdx += ( uiSymbol && i == 3 ) ? 8 : 0;
2290	uiTabIdx += ( uiSymbol && i == 4 ) ? 16 : 0;
2291	uiTabIdx += ( uiSymbol && i == 5 ) ? 32 : 0;
2292	uiTabIdx += ( uiSymbol && i == 6 ) ? 64 : 0;
2293	uiTabIdx += ( uiSymbol && i == 7 ) ? 128 : 0;
2294	uiTabIdx += ( uiSymbol && i == 8 ) ? 256 : 0;
2295	uiTabIdx += ( uiSymbol && i == 9 ) ? 512 : 0;
2296	uiTabIdx += ( uiSymbol && i == 10 ) ? 1024 : 0;
2297	uiTabIdx += ( uiSymbol && i == 11 ) ? 2048 : 0;
2298	uiTabIdx += ( uiSymbol && i == 12 ) ? 4096 : 0;
2299	}
2300
2301	pcCU->setWedgeFullTabIdxSubParts( uiTabIdx, uiAbsPartIdx, uiDepth );
2302
2303	UInt uiDC1, uiDC2;
2304	xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) );
2305	Int iDC1 = uiDC1;
2306	if ( uiDC1 )
2307	{
2308	UInt uiSign;
2309	m_pcTDecBinIf->decodeBinEP( uiSign );
2310	if ( uiSign )
2311	{
2312	iDC1 = -iDC1;
2313	}
2314	}
2315	xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) );
2316	Int iDC2 = uiDC2;
2317	if ( uiDC2 )
2318	{
2319	UInt uiSign;
2320	m_pcTDecBinIf->decodeBinEP( uiSign );
2321	if ( uiSign )
2322	{
2323	iDC2 = -iDC2;
2324	}
2325	}
2326
2327	pcCU->setWedgeFullDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth );
2328	pcCU->setWedgeFullDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth );
2329	}
2330
2331	Void TDecSbac::xParseWedgePredDirInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2332	{
2333	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2334	{
2335	UInt uiDeltaEnd = 0;
2336	m_pcTDecBinIf->decodeBin( uiDeltaEnd, m_cDmmDataSCModel.get(0, 0, 2) );
2337
2338	Int iDeltaEnd;
2339	if( uiDeltaEnd != 0 )
2340	{
2341	UInt uiAbsValMinus1;
2342	UInt uiSymbol;
2343	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 = uiSymbol;
2344	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 \|= uiSymbol << 1;
2345	uiDeltaEnd = uiAbsValMinus1 + 1;
2346
2347	iDeltaEnd = uiDeltaEnd;
2348	UInt uiSign;
2349	m_pcTDecBinIf->decodeBinEP( uiSign );
2350	if( uiSign )
2351	{
2352	iDeltaEnd = -iDeltaEnd;
2353	}
2354	}
2355	else
2356	{
2357	iDeltaEnd = 0;
2358	}
2359	pcCU->setWedgePredDirDeltaEndSubParts( iDeltaEnd, uiAbsPartIdx, uiDepth );
2360	}
2361	}
2362
2363	Void TDecSbac::xParseWedgePredDirDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2364	{
2365	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2366	{
2367	UInt uiDeltaEnd = 0;
2368	m_pcTDecBinIf->decodeBin( uiDeltaEnd, m_cDmmDataSCModel.get(0, 0, 2) );
2369
2370	Int iDeltaEnd;
2371	if( uiDeltaEnd != 0 )
2372	{
2373	UInt uiAbsValMinus1;
2374	UInt uiSymbol;
2375	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 = uiSymbol;
2376	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 \|= uiSymbol << 1;
2377	uiDeltaEnd = uiAbsValMinus1 + 1;
2378
2379	iDeltaEnd = uiDeltaEnd;
2380	UInt uiSign;
2381	m_pcTDecBinIf->decodeBinEP( uiSign );
2382	if( uiSign )
2383	{
2384	iDeltaEnd = -iDeltaEnd;
2385	}
2386	}
2387	else
2388	{
2389	iDeltaEnd = 0;
2390	}
2391
2392	pcCU->setWedgePredDirDeltaEndSubParts( iDeltaEnd, uiAbsPartIdx, uiDepth );
2393	}
2394
2395	UInt uiDC1, uiDC2;
2396	xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) );
2397	Int iDC1 = uiDC1;
2398	if ( uiDC1 )
2399	{
2400	UInt uiSign;
2401	m_pcTDecBinIf->decodeBinEP( uiSign );
2402	if ( uiSign )
2403	{
2404	iDC1 = -iDC1;
2405	}
2406	}
2407	xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) );
2408	Int iDC2 = uiDC2;
2409	if ( uiDC2 )
2410	{
2411	UInt uiSign;
2412	m_pcTDecBinIf->decodeBinEP( uiSign );
2413	if ( uiSign )
2414	{
2415	iDC2 = -iDC2;
2416	}
2417	}
2418
2419	pcCU->setWedgePredDirDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth );
2420	pcCU->setWedgePredDirDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth );
2421	}
2422	#endif
2423	#if HHI_DMM_PRED_TEX
2424	Void TDecSbac::xParseWedgePredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2425	{
2426	UInt uiDC1, uiDC2;
2427	xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) );
2428	Int iDC1 = uiDC1;
2429	if ( uiDC1 )
2430	{
2431	UInt uiSign;
2432	m_pcTDecBinIf->decodeBinEP( uiSign );
2433	if ( uiSign )
2434	{
2435	iDC1 = -iDC1;
2436	}
2437	}
2438	xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) );
2439	Int iDC2 = uiDC2;
2440	if ( uiDC2 )
2441	{
2442	UInt uiSign;
2443	m_pcTDecBinIf->decodeBinEP( uiSign );
2444	if ( uiSign )
2445	{
2446	iDC2 = -iDC2;
2447	}
2448	}
2449
2450	pcCU->setWedgePredTexDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth );
2451	pcCU->setWedgePredTexDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth );
2452	}
2453
2454	Void TDecSbac::xParseContourPredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2455	{
2456	UInt uiDC1, uiDC2;
2457	xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) );
2458	Int iDC1 = uiDC1;
2459	if ( uiDC1 )
2460	{
2461	UInt uiSign;
2462	m_pcTDecBinIf->decodeBinEP( uiSign );
2463	if ( uiSign )
2464	{
2465	iDC1 = -iDC1;
2466	}
2467	}
2468	xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) );
2469	Int iDC2 = uiDC2;
2470	if ( uiDC2 )
2471	{
2472	UInt uiSign;
2473	m_pcTDecBinIf->decodeBinEP( uiSign );
2474	if ( uiSign )
2475	{
2476	iDC2 = -iDC2;
2477	}
2478	}
2479
2480	pcCU->setContourPredTexDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth );
2481	pcCU->setContourPredTexDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth );
2482	}
2483	#endif
2484
2485	#if LGE_EDGE_INTRA_A0070
2486	Void TDecSbac::xParseEdgeIntraInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2487	{
2488	UInt uiSymbol = 0;
2489
2490	// 1. Top(0) or Left(1)
2491	UChar ucLeft;
2492	m_pcTDecBinIf->decodeBinEP( uiSymbol );
2493	ucLeft = uiSymbol;
2494
2495	// 2. Start position (lowest bit first)
2496	UChar ucStart = 0;
2497	for( UInt ui = 0; ui < 6 - uiDepth; ui++ )
2498	{
2499	m_pcTDecBinIf->decodeBinEP( uiSymbol );
2500	ucStart \|= (uiSymbol << ui);
2501	}
2502
2503	// 3. Number of edges
2504	UChar ucMax = 0;
2505	for( UInt ui = 0; ui < 7 - uiDepth; ui++ )
2506	{
2507	m_pcTDecBinIf->decodeBinEP( uiSymbol );
2508	ucMax \|= (uiSymbol << ui);
2509	}
2510	ucMax++; // +1
2511
2512	// 4. Edges
2513	UChar* pucSymbolList = (UChar) xMalloc( UChar, 256 LGE_EDGE_INTRA_MAX_EDGE_NUM_PER_4x4 );
2514	UInt uiCtxEdgeIntra = pcCU->getCtxEdgeIntra( uiAbsPartIdx );
2515	for( Int iPtr = 0; iPtr < ucMax; iPtr++ )
2516	{
2517	UChar ucEdge = 0;
2518	UInt uiReorderEdge = 0;
2519	// Left-friendly direction
2520	// 0 ( 0deg) => 0
2521	// 1 ( 45deg) => 10
2522	// 2 ( -45deg) => 110
2523	// 3 ( 90deg) => 1110
2524	// 4 ( -90deg) => 11110
2525	// 5 ( 135deg) => 111110
2526	// 6 (-135deg) => 111111
2527	// Right-friendly direction
2528	// 0 ( 0deg) => 0
2529	// 1 ( -45deg) => 10
2530	// 2 ( 45deg) => 110
2531	// 3 ( -90deg) => 1110
2532	// 4 ( 90deg) => 11110
2533	// 5 (-135deg) => 111110
2534	// 6 ( 135deg) => 111111
2535	// refer to a paper "An efficient chain code with Huffman coding"
2536	for( UInt ui = 0; ui < 6; ui++ )
2537	{
2538	m_pcTDecBinIf->decodeBin( uiSymbol, m_cEdgeIntraSCModel.get( 0, 0, uiCtxEdgeIntra ) );
2539	ucEdge <<= 1;
2540	ucEdge \|= uiSymbol;
2541	if( uiSymbol == 0 )
2542	break;
2543	}
2544
2545	switch( ucEdge )
2546	{
2547	case 0 : // "0"
2548	uiReorderEdge = 0;
2549	break;
2550	case 2 : // "10"
2551	uiReorderEdge = 1;
2552	break;
2553	case 6 : // "110"
2554	uiReorderEdge = 2;
2555	break;
2556	case 14 : // "1110"
2557	uiReorderEdge = 3;
2558	break;
2559	case 30 : // "11110"
2560	uiReorderEdge = 4;
2561	break;
2562	case 62 : // "111110"
2563	uiReorderEdge = 5;
2564	break;
2565	case 63 : // "111111"
2566	uiReorderEdge = 6;
2567	break;
2568	default :
2569	printf("parseIntraEdgeChain: error (unknown code %d)\n",ucEdge);
2570	assert(false);
2571	break;
2572	}
2573	pucSymbolList[iPtr] = uiReorderEdge;
2574	}
2575	/////////////////////
2576	// Edge Reconstruction
2577	Bool* pbRegion = pcCU->getEdgePartition( uiAbsPartIdx );
2578	pcCU->reconPartition( uiAbsPartIdx, uiDepth, ucLeft == 1, ucStart, ucMax, pucSymbolList, pbRegion );
2579	xFree( pucSymbolList );
2580	}
2581	#endif
2582
2583	#if RWTH_SDC_DLT_B0036
2584	Void TDecSbac::parseSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2585	{
2586	assert( pcCU->getSlice()->getSPS()->isDepth() );
2587
2588	UInt uiSymbol = 0;
2589	UInt uiCtxSDCFlag = pcCU->getCtxSDCFlag( uiAbsPartIdx );
2590	m_pcTDecBinIf->decodeBin( uiSymbol, m_cSDCFlagSCModel.get( 0, 0, uiCtxSDCFlag ) );
2591
2592	if( uiSymbol == 1 )
2593	{
2594	pcCU->setPartSizeSubParts(SIZE_2Nx2N, uiAbsPartIdx, uiDepth);
2595
2596	pcCU->setSDCFlagSubParts( true, uiAbsPartIdx, 0, uiDepth);
2597	pcCU->setTrIdxSubParts(0, uiAbsPartIdx, uiDepth);
2598	pcCU->setCbfSubParts(1, 1, 1, uiAbsPartIdx, uiDepth);
2599	}
2600	}
2601
2602	Void TDecSbac::parseSDCPredMode( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2603	{
2604	assert( pcCU->getSlice()->getSPS()->isDepth() );
2605	assert( pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N );
2606
2607	assert( pcCU->getSDCFlag(uiAbsPartIdx) );
2608
2609	UInt uiCtx = 0;
2610
2611	UInt uiMPModeIdx = 0;
2612
2613	for(Int i=0; i<RWTH_SDC_NUM_PRED_MODES-1; i++)
2614	{
2615	UInt uiIsMostProb = 0;
2616	m_pcTDecBinIf->decodeBin( uiIsMostProb, m_cSDCPredModeSCModel.get( 0, i, uiCtx ) );
2617
2618	if ( uiIsMostProb == 1 )
2619	break;
2620
2621	// else: get next most probable pred mode
2622	uiMPModeIdx = (uiMPModeIdx+1)%RWTH_SDC_NUM_PRED_MODES;
2623	}
2624
2625	Int intraPredMode = g_auiSDCPredModes[uiMPModeIdx];
2626
2627	#if HHI_DMM_WEDGE_INTRA
2628	if( intraPredMode == DMM_WEDGE_FULL_IDX ) { xParseWedgeFullInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
2629	if( intraPredMode == DMM_WEDGE_PREDDIR_IDX ) { xParseWedgePredDirInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
2630	#endif
2631
2632	pcCU->setLumaIntraDirSubParts((UChar)intraPredMode, uiAbsPartIdx, uiDepth);
2633	}
2634
2635	Void TDecSbac::parseSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiSegment )
2636	{
2637	assert( pcCU->getSlice()->getSPS()->isDepth() );
2638	assert( pcCU->getSDCFlag(uiAbsPartIdx) );
2639	assert( uiSegment < 2 );
2640
2641	UInt uiResidual = 0;
2642	UInt uiBit = 0;
2643	UInt uiAbsIdx = 0;
2644	UInt uiSign = 0;
2645	Int iIdx = 0;
2646
2647	UInt uiMaxResidualBits = GetBitsPerDepthValue();
2648	assert( uiMaxResidualBits <= g_uiBitDepth );
2649
2650	m_pcTDecBinIf->decodeBin(uiResidual, m_cSDCResidualFlagSCModel.get( 0, uiSegment, 0 ) );
2651
2652	if (uiResidual)
2653	{
2654	// decode residual sign bit
2655	m_pcTDecBinIf->decodeBin(uiSign, m_cSDCResidualSignFlagSCModel.get( 0, uiSegment, 0 ) );
2656
2657	// decode residual magnitude
2658	for (Int i=0; i<uiMaxResidualBits; i++)
2659	{
2660	m_pcTDecBinIf->decodeBin(uiBit, m_cSDCResidualSCModel.get( 0, uiSegment, i ) );
2661	uiAbsIdx \|= uiBit << i;
2662	}
2663
2664	uiAbsIdx += 1;
2665	iIdx =(Int)(uiSign ? -1 : 1)*uiAbsIdx;
2666	}
2667
2668	pcCU->setSDCSegmentDCOffset(iIdx, uiSegment, uiAbsPartIdx);
2669	}
2670	#endif
2671
2672	//! \}

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source: 3DVCSoftware/branches/HTM-5.1-dev1-HHI/source/Lib/TLibDecoder/TDecSbac.cpp

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