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source: 3DVCSoftware/branches/HTM-6.2-dev1-Qualcomm/source/Lib/TLibDecoder/TDecSbac.cpp @ 352

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Last change on this file since 352 was 332, checked in by tech, 12 years ago
Merged branch 6.1-Cleanup@329.
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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 H3D_IVRP
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	, m_cCUAMPSCModel ( 1, 1, NUM_CU_AMP_CTX , m_contextModels + m_numContextModels, m_numContextModels)
90	, m_cSaoFlagSCModel ( 1, 1, NUM_SAO_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
91	, m_cSaoUvlcSCModel ( 1, 1, NUM_SAO_UVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
92	, m_cSaoSvlcSCModel ( 1, 1, NUM_SAO_SVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
93	, m_cSaoMergeLeftSCModel ( 1, 1, NUM_SAO_MERGE_LEFT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
94	, m_cSaoMergeUpSCModel ( 1, 1, NUM_SAO_MERGE_UP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
95	, m_cSaoTypeIdxSCModel ( 1, 1, NUM_SAO_TYPE_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
96	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
97	, m_cDmmFlagSCModel ( 1, 1, NUM_DMM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
98	, m_cDmmModeSCModel ( 1, 1, NUM_DMM_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
99	, m_cDmmDataSCModel ( 1, 1, NUM_DMM_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
100	#endif
101	#if LGE_EDGE_INTRA_A0070
102	, m_cEdgeIntraSCModel ( 1, 1, NUM_EDGE_INTRA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
103	#if LGE_EDGE_INTRA_DELTA_DC
104	, m_cEdgeIntraDeltaDCSCModel ( 1, 1, NUM_EDGE_INTRA_DELTA_DC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
105	#endif
106	#endif
107	#if RWTH_SDC_DLT_B0036
108	, m_cSDCFlagSCModel ( 1, 1, SDC_NUM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
109	, m_cSDCResidualFlagSCModel ( 1, 2, SDC_NUM_RESIDUAL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
110	, m_cSDCResidualSignFlagSCModel ( 1, 2, SDC_NUM_SIGN_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
111	, m_cSDCResidualSCModel ( 1, 2, SDC_NUM_RESIDUAL_CTX , m_contextModels + m_numContextModels, m_numContextModels)
112	, m_cSDCPredModeSCModel ( 1, 3, SDC_NUM_PRED_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
113	#endif
114	{
115	assert( m_numContextModels <= MAX_NUM_CTX_MOD );
116	m_iSliceGranularity = 0;
117	}
118
119	TDecSbac::~TDecSbac()
120	{
121	}
122
123	// ====================================================================================================================
124	// Public member functions
125	// ====================================================================================================================
126
127	#if CABAC_INIT_FLAG
128	Void TDecSbac::resetEntropy(TComSlice* pSlice)
129	{
130	SliceType sliceType = pSlice->getSliceType();
131	Int qp = pSlice->getSliceQp();
132
133	if (pSlice->getPPS()->getCabacInitPresentFlag() && pSlice->getCabacInitFlag())
134	{
135	switch (sliceType)
136	{
137	case P_SLICE: // change initialization table to B_SLICE initialization
138	sliceType = B_SLICE;
139	break;
140	case B_SLICE: // change initialization table to P_SLICE initialization
141	sliceType = P_SLICE;
142	break;
143	default : // should not occur
144	assert(0);
145	}
146	}
147
148	#else
149	Void TDecSbac::resetEntropywithQPandInitIDC (Int qp, Int iID)
150	{
151	SliceType sliceType = (SliceType)iID;
152	#endif
153
154	m_cCUSplitFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SPLIT_FLAG );
155	m_cCUSkipFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SKIP_FLAG );
156	#if LGE_ILLUCOMP_B0045
157	m_cCUICFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_IC_FLAG );
158	#endif
159	m_cCUMergeFlagExtSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT );
160	m_cCUMergeIdxExtSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MERGE_IDX_EXT );
161	#if H3D_IVRP
162	m_cResPredFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_RES_PRED_FLAG );
163	#endif
164	m_cCUAlfCtrlFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_CTRL_FLAG );
165	m_cCUPartSizeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_PART_SIZE );
166	m_cCUAMPSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CU_AMP_POS );
167	m_cCUPredModeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_PRED_MODE );
168	m_cCUIntraPredSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_INTRA_PRED_MODE );
169	m_cCUChromaPredSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE );
170	m_cCUInterDirSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_INTER_DIR );
171	m_cCUMvdSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MVD );
172	m_cCURefPicSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_REF_PIC );
173	m_cCUDeltaQpSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DQP );
174	m_cCUQtCbfSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_QT_CBF );
175	m_cCUQtRootCbfSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_QT_ROOT_CBF );
176	m_cCUSigCoeffGroupSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SIG_CG_FLAG );
177	m_cCUSigSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SIG_FLAG );
178	m_cCuCtxLastX.initBuffer ( sliceType, qp, (UChar*)INIT_LAST );
179	m_cCuCtxLastY.initBuffer ( sliceType, qp, (UChar*)INIT_LAST );
180	m_cCUOneSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ONE_FLAG );
181	m_cCUAbsSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ABS_FLAG );
182	m_cMVPIdxSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MVP_IDX );
183	m_cALFFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_FLAG );
184	m_cALFUvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_UVLC );
185	m_cALFSvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_SVLC );
186	m_cSaoFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_FLAG );
187	m_cSaoUvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_UVLC );
188	m_cSaoSvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_SVLC );
189	m_cSaoMergeLeftSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG );
190	m_cSaoMergeUpSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_MERGE_UP_FLAG );
191	m_cSaoTypeIdxSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_TYPE_IDX );
192
193	m_cCUTransSubdivFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
194	#if LGE_EDGE_INTRA_A0070
195	m_cEdgeIntraSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_EDGE_INTRA );
196	#if LGE_EDGE_INTRA_DELTA_DC
197	m_cEdgeIntraDeltaDCSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_EDGE_INTRA_DELTA_DC );
198	#endif
199	#endif
200	m_uiLastDQpNonZero = 0;
201	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
202	m_cDmmFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DMM_FLAG );
203	m_cDmmModeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DMM_MODE );
204	m_cDmmDataSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DMM_DATA );
205	#endif
206	#if RWTH_SDC_DLT_B0036
207	m_cSDCFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SDC_FLAG );
208	m_cSDCResidualFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
209	m_cSDCResidualSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SDC_RESIDUAL );
210	m_cSDCResidualSignFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SDC_SIGN_FLAG );
211	m_cSDCPredModeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SDC_PRED_MODE );
212	#endif
213
214	// new structure
215	m_uiLastQp = qp;
216
217	m_pcTDecBinIf->start();
218	}
219
220	/** The function does the following: Read out terminate bit. Flush CABAC. Byte-align for next tile.
221	* Intialize CABAC states. Start CABAC.
222	*/
223	Void TDecSbac::updateContextTables( SliceType eSliceType, Int iQp )
224	{
225	UInt uiBit;
226	m_pcTDecBinIf->decodeBinTrm(uiBit);
227	m_pcTDecBinIf->finish();
228	#if !OL_FLUSH_ALIGN
229	// Account for misaligned CABAC.
230	Int iCABACReadAhead = m_pcTDecBinIf->getBitsReadAhead();
231	iCABACReadAhead--;
232	Int iStreamBits = 8-m_pcBitstream->getNumBitsUntilByteAligned();
233	if (iCABACReadAhead >= iStreamBits)
234	{
235	// Misaligned CABAC has read into the 1st byte of the next tile.
236	// Back up a byte prior to alignment.
237	m_pcBitstream->backupByte();
238	}
239	#endif
240	m_pcBitstream->readOutTrailingBits();
241	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
242	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
243	#if LGE_ILLUCOMP_B0045
244	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
245	#endif
246	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT );
247	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT );
248	#if H3D_IVRP
249	m_cResPredFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_RES_PRED_FLAG );
250	#endif
251	m_cCUAlfCtrlFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_CTRL_FLAG );
252	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
253	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
254	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
255	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
256	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
257	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
258	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
259	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
260	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
261	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
262	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
263	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
264	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
265	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
266	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
267	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
268	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
269	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
270	m_cALFFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_FLAG );
271	m_cALFUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_UVLC );
272	m_cALFSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_SVLC );
273	m_cSaoFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_FLAG );
274	m_cSaoUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_UVLC );
275	m_cSaoSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_SVLC );
276	m_cSaoMergeLeftSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG );
277	m_cSaoMergeUpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_UP_FLAG );
278	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
279	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
280	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
281	m_cDmmFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_FLAG );
282	m_cDmmModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_MODE );
283	m_cDmmDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_DATA );
284	#endif
285	#if RWTH_SDC_DLT_B0036
286	m_cSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_FLAG );
287	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
288	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
289	m_cSDCResidualSignFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_SIGN_FLAG );
290	m_cSDCPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_PRED_MODE );
291	#endif
292
293	m_pcTDecBinIf->start();
294	}
295
296	Void TDecSbac::readTileMarker( UInt& uiTileIdx, UInt uiBitsUsed )
297	{
298	UInt uiSymbol;
299	uiTileIdx = 0;
300	for (Int iShift=uiBitsUsed-1; iShift>=0; iShift--)
301	{
302	m_pcTDecBinIf->decodeBinEP ( uiSymbol );
303	if (uiSymbol)
304	{
305	uiTileIdx \|= (1<<iShift);
306	}
307	}
308	}
309
310	Void TDecSbac::parseTerminatingBit( UInt& ruiBit )
311	{
312	m_pcTDecBinIf->decodeBinTrm( ruiBit );
313	}
314
315
316	Void TDecSbac::xReadUnaryMaxSymbol( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol )
317	{
318	if (uiMaxSymbol == 0)
319	{
320	ruiSymbol = 0;
321	return;
322	}
323
324	m_pcTDecBinIf->decodeBin( ruiSymbol, pcSCModel[0] );
325
326	if( ruiSymbol == 0 \|\| uiMaxSymbol == 1 )
327	{
328	return;
329	}
330
331	UInt uiSymbol = 0;
332	UInt uiCont;
333
334	do
335	{
336	m_pcTDecBinIf->decodeBin( uiCont, pcSCModel[ iOffset ] );
337	uiSymbol++;
338	}
339	while( uiCont && ( uiSymbol < uiMaxSymbol - 1 ) );
340
341	if( uiCont && ( uiSymbol == uiMaxSymbol - 1 ) )
342	{
343	uiSymbol++;
344	}
345
346	ruiSymbol = uiSymbol;
347	}
348
349	Void TDecSbac::xReadEpExGolomb( UInt& ruiSymbol, UInt uiCount )
350	{
351	UInt uiSymbol = 0;
352	UInt uiBit = 1;
353
354	while( uiBit )
355	{
356	m_pcTDecBinIf->decodeBinEP( uiBit );
357	uiSymbol += uiBit << uiCount++;
358	}
359
360	if ( --uiCount )
361	{
362	UInt bins;
363	m_pcTDecBinIf->decodeBinsEP( bins, uiCount );
364	uiSymbol += bins;
365	}
366
367	ruiSymbol = uiSymbol;
368	}
369
370	Void TDecSbac::xReadUnarySymbol( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset )
371	{
372	m_pcTDecBinIf->decodeBin( ruiSymbol, pcSCModel[0] );
373
374	if( !ruiSymbol )
375	{
376	return;
377	}
378
379	UInt uiSymbol = 0;
380	UInt uiCont;
381
382	do
383	{
384	m_pcTDecBinIf->decodeBin( uiCont, pcSCModel[ iOffset ] );
385	uiSymbol++;
386	}
387	while( uiCont );
388
389	ruiSymbol = uiSymbol;
390	}
391
392	/** Parsing of coeff_abs_level_minus3
393	* \param ruiSymbol reference to coeff_abs_level_minus3
394	* \param ruiGoRiceParam reference to Rice parameter
395	* \returns Void
396	*/
397	Void TDecSbac::xReadGoRiceExGolomb( UInt &ruiSymbol, UInt &ruiGoRiceParam )
398	{
399	Bool bExGolomb = false;
400	UInt uiCodeWord = 0;
401	UInt uiQuotient = 0;
402	UInt uiRemainder = 0;
403	UInt uiMaxVlc = g_auiGoRiceRange[ ruiGoRiceParam ];
404	UInt uiMaxPreLen = g_auiGoRicePrefixLen[ ruiGoRiceParam ];
405
406	do
407	{
408	uiQuotient++;
409	m_pcTDecBinIf->decodeBinEP( uiCodeWord );
410	}
411	while( uiCodeWord && uiQuotient < uiMaxPreLen );
412
413	uiCodeWord = 1 - uiCodeWord;
414	uiQuotient -= uiCodeWord;
415
416	if ( ruiGoRiceParam > 0 )
417	{
418	m_pcTDecBinIf->decodeBinsEP( uiRemainder, ruiGoRiceParam );
419	}
420
421	ruiSymbol = uiRemainder + ( uiQuotient << ruiGoRiceParam );
422	bExGolomb = ruiSymbol == ( uiMaxVlc + 1 );
423
424	if( bExGolomb )
425	{
426	xReadEpExGolomb( uiCodeWord, 0 );
427	ruiSymbol += uiCodeWord;
428	}
429
430	ruiGoRiceParam = g_aauiGoRiceUpdate[ ruiGoRiceParam ][ min<UInt>( ruiSymbol, 23 ) ];
431
432	return;
433	}
434
435
436	/** Parse I_PCM information.
437	* \param pcCU
438	* \param uiAbsPartIdx
439	* \param uiDepth
440	* \returns Void
441	*
442	* If I_PCM flag indicates that the CU is I_PCM, parse its PCM alignment bits and codes.
443	*/
444	Void TDecSbac::parseIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
445	{
446	UInt uiSymbol;
447	Int numSubseqIPCM = 0;
448	Bool readPCMSampleFlag = false;
449
450	if(pcCU->getNumSucIPCM() > 0)
451	{
452	readPCMSampleFlag = true;
453	}
454	else
455	{
456	m_pcTDecBinIf->decodeBinTrm(uiSymbol);
457
458	if (uiSymbol)
459	{
460	readPCMSampleFlag = true;
461	m_pcTDecBinIf->decodeNumSubseqIPCM(numSubseqIPCM);
462	pcCU->setNumSucIPCM(numSubseqIPCM + 1);
463	m_pcTDecBinIf->decodePCMAlignBits();
464	}
465	}
466
467	if (readPCMSampleFlag == true)
468	{
469	Bool bIpcmFlag = true;
470
471
472	pcCU->setPartSizeSubParts ( SIZE_2Nx2N, uiAbsPartIdx, uiDepth );
473	pcCU->setSizeSubParts ( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth );
474	pcCU->setIPCMFlagSubParts ( bIpcmFlag, uiAbsPartIdx, uiDepth );
475
476	UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight();
477	UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx;
478	UInt uiChromaOffset = uiLumaOffset>>2;
479
480	Pel* piPCMSample;
481	UInt uiWidth;
482	UInt uiHeight;
483	UInt uiSampleBits;
484	UInt uiX, uiY;
485
486	piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset;
487	uiWidth = pcCU->getWidth(uiAbsPartIdx);
488	uiHeight = pcCU->getHeight(uiAbsPartIdx);
489	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma();
490
491	for(uiY = 0; uiY < uiHeight; uiY++)
492	{
493	for(uiX = 0; uiX < uiWidth; uiX++)
494	{
495	UInt uiSample;
496	m_pcTDecBinIf->xReadPCMCode(uiSampleBits, uiSample);
497	piPCMSample[uiX] = uiSample;
498	}
499	piPCMSample += uiWidth;
500	}
501
502	piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset;
503	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
504	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
505	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
506
507	for(uiY = 0; uiY < uiHeight; uiY++)
508	{
509	for(uiX = 0; uiX < uiWidth; uiX++)
510	{
511	UInt uiSample;
512	m_pcTDecBinIf->xReadPCMCode(uiSampleBits, uiSample);
513	piPCMSample[uiX] = uiSample;
514	}
515	piPCMSample += uiWidth;
516	}
517
518	piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset;
519	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
520	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
521	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
522
523	for(uiY = 0; uiY < uiHeight; uiY++)
524	{
525	for(uiX = 0; uiX < uiWidth; uiX++)
526	{
527	UInt uiSample;
528	m_pcTDecBinIf->xReadPCMCode(uiSampleBits, uiSample);
529	piPCMSample[uiX] = uiSample;
530	}
531	piPCMSample += uiWidth;
532	}
533
534	pcCU->setNumSucIPCM( pcCU->getNumSucIPCM() - 1);
535	if(pcCU->getNumSucIPCM() == 0)
536	{
537	m_pcTDecBinIf->resetBac();
538	}
539	}
540	}
541
542	/** parse skip flag
543	* \param pcCU
544	* \param uiAbsPartIdx
545	* \param uiDepth
546	* \returns Void
547	*/
548	Void TDecSbac::parseSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
549	{
550	if( pcCU->getSlice()->isIntra() )
551	{
552	return;
553	}
554
555	UInt uiSymbol = 0;
556	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx );
557	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
558	DTRACE_CABAC_VL( g_nSymbolCounter++ );
559	DTRACE_CABAC_T( "\tSkipFlag" );
560	DTRACE_CABAC_T( "\tuiCtxSkip: ");
561	DTRACE_CABAC_V( uiCtxSkip );
562	DTRACE_CABAC_T( "\tuiSymbol: ");
563	DTRACE_CABAC_V( uiSymbol );
564	DTRACE_CABAC_T( "\n");
565
566	if( uiSymbol )
567	{
568	pcCU->setPredModeSubParts( MODE_SKIP, uiAbsPartIdx, uiDepth );
569	pcCU->setPartSizeSubParts( SIZE_2Nx2N, uiAbsPartIdx, uiDepth );
570	pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth );
571	pcCU->setMergeFlagSubParts( true , uiAbsPartIdx, 0, uiDepth );
572	}
573	}
574
575	#if LGE_ILLUCOMP_B0045
576	/** parse illumination compensation flag
577	* \param pcCU
578	* \param uiAbsPartIdx
579	* \param uiDepth
580	* \returns Void
581	*/
582	Void TDecSbac::parseICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
583	{
584	UInt uiSymbol = 0;
585	UInt uiCtxIC = pcCU->getCtxICFlag( uiAbsPartIdx );
586	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUICFlagSCModel.get( 0, 0, uiCtxIC ) );
587	DTRACE_CABAC_VL( g_nSymbolCounter++ );
588	DTRACE_CABAC_T( "\tICFlag" );
589	DTRACE_CABAC_T( "\tuiCtxIC: ");
590	DTRACE_CABAC_V( uiCtxIC );
591	DTRACE_CABAC_T( "\tuiSymbol: ");
592	DTRACE_CABAC_V( uiSymbol );
593	DTRACE_CABAC_T( "\n");
594
595	pcCU->setICFlagSubParts( uiSymbol ? true : false , uiAbsPartIdx, 0, uiDepth );
596	}
597	#endif
598
599
600	/** parse merge flag
601	* \param pcCU
602	* \param uiAbsPartIdx
603	* \param uiDepth
604	* \param uiPUIdx
605	* \returns Void
606	*/
607	Void TDecSbac::parseMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx )
608	{
609	UInt uiSymbol;
610	m_pcTDecBinIf->decodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
611	pcCU->setMergeFlagSubParts( uiSymbol ? true : false, uiAbsPartIdx, uiPUIdx, uiDepth );
612
613	DTRACE_CABAC_VL( g_nSymbolCounter++ );
614	DTRACE_CABAC_T( "\tMergeFlag: " );
615	DTRACE_CABAC_V( uiSymbol );
616	DTRACE_CABAC_T( "\tAddress: " );
617	DTRACE_CABAC_V( pcCU->getAddr() );
618	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
619	DTRACE_CABAC_V( uiAbsPartIdx );
620	DTRACE_CABAC_T( "\n" );
621	}
622
623	Void TDecSbac::parseMergeIndex ( TComDataCU* pcCU, UInt& ruiMergeIndex, UInt uiAbsPartIdx, UInt uiDepth )
624	{
625	UInt uiNumCand = MRG_MAX_NUM_CANDS;
626	UInt uiUnaryIdx = 0;
627	uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
628	#if HHI_MPI
629	const Bool bMVIAvailable = pcCU->getSlice()->getSPS()->getUseMVI() && pcCU->getSlice()->getSliceType() != I_SLICE;
630	const UInt uiMviMergePos = bMVIAvailable ? HHI_MPI_MERGE_POS : uiNumCand;
631	#endif
632	if ( uiNumCand > 1 )
633	{
634	for( ; uiUnaryIdx < uiNumCand - 1; ++uiUnaryIdx )
635	{
636	UInt uiSymbol = 0;
637	if ( uiUnaryIdx==0 )
638	{
639	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
640	}
641	else
642	{
643	m_pcTDecBinIf->decodeBinEP( uiSymbol );
644	}
645	if( uiSymbol == 0 )
646	{
647	break;
648	}
649	}
650	}
651	ruiMergeIndex = uiUnaryIdx;
652
653	DTRACE_CABAC_VL( g_nSymbolCounter++ )
654	DTRACE_CABAC_T( "\tparseMergeIndex()" )
655	DTRACE_CABAC_T( "\tuiMRGIdx= " )
656	DTRACE_CABAC_V( ruiMergeIndex )
657	DTRACE_CABAC_T( "\n" )
658	#if HHI_MPI
659	if( ruiMergeIndex > uiMviMergePos )
660	{
661	assert( bMVIAvailable );
662	ruiMergeIndex--;
663	}
664	else if( ruiMergeIndex == uiMviMergePos )
665	{
666	assert( bMVIAvailable );
667	pcCU->setTextureModeDepthSubParts( uiDepth, uiAbsPartIdx, uiDepth );
668	}
669	#endif
670	}
671
672	#if H3D_IVRP
673	Void
674	TDecSbac::parseResPredFlag( TComDataCU* pcCU, Bool& rbResPredFlag, UInt uiAbsPartIdx, UInt uiDepth )
675	{
676	UInt uiCtx = pcCU->getCtxResPredFlag( uiAbsPartIdx );
677	UInt uiSymbol = 0;
678	m_pcTDecBinIf->decodeBin( uiSymbol, m_cResPredFlagSCModel.get( 0, 0, uiCtx ) );
679	rbResPredFlag = ( uiSymbol != 0 );
680	}
681	#endif
682
683	#if H3D_IVMP
684	Void TDecSbac::parseMVPIdx ( Int& riMVPIdx, Int iNumAMVPCands )
685	{
686	UInt uiSymbol;
687	xReadUnaryMaxSymbol(uiSymbol, m_cMVPIdxSCModel.get(0), 1, iNumAMVPCands-1);
688	riMVPIdx = uiSymbol;
689	}
690	#else
691	Void TDecSbac::parseMVPIdx ( Int& riMVPIdx )
692	{
693	UInt uiSymbol;
694	xReadUnaryMaxSymbol(uiSymbol, m_cMVPIdxSCModel.get(0), 1, AMVP_MAX_NUM_CANDS-1);
695	riMVPIdx = uiSymbol;
696	}
697	#endif
698
699	Void TDecSbac::parseSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
700	{
701	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
702	{
703	pcCU->setDepthSubParts( uiDepth, uiAbsPartIdx );
704	return;
705	}
706
707	UInt uiSymbol;
708
709	#if H3D_QTL
710	Bool bParseSplitFlag = true;
711
712	TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS();
713	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
714	Bool bDepthMapDetect = (pcTexture != NULL);
715	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
716
717	Bool rapPic = (pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR \|\| pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA);
718	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && sps->getUseQTLPC())
719	{
720	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
721	assert(pcTextureCU->getDepth(uiAbsPartIdx) >= uiDepth);
722	bParseSplitFlag = (pcTextureCU->getDepth(uiAbsPartIdx) > uiDepth);
723	}
724
725	if(bParseSplitFlag)
726	{
727	#endif
728	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSplitFlagSCModel.get( 0, 0, pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth ) ) );
729	DTRACE_CABAC_VL( g_nSymbolCounter++ )
730	DTRACE_CABAC_T( "\tSplitFlag\n" )
731	#if H3D_QTL
732	}
733	else
734	uiSymbol = 0;
735	#endif
736
737	pcCU->setDepthSubParts( uiDepth + uiSymbol, uiAbsPartIdx );
738
739	return;
740	}
741
742	/** parse partition size
743	* \param pcCU
744	* \param uiAbsPartIdx
745	* \param uiDepth
746	* \returns Void
747	*/
748	Void TDecSbac::parsePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
749	{
750	UInt uiSymbol, uiMode = 0;
751	PartSize eMode;
752
753	#if H3D_QTL
754	Bool bParsePartSize = true;
755	TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS();
756	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
757	Bool bDepthMapDetect = (pcTexture != NULL);
758	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
759
760	Bool rapPic = (pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR \|\| pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA);
761	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && sps->getUseQTLPC())
762	{
763	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
764	assert(pcTextureCU->getDepth(uiAbsPartIdx) >= uiDepth);
765	if (pcTextureCU->getDepth(uiAbsPartIdx) == uiDepth && pcTextureCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN)
766	{
767	bParsePartSize = false;
768	eMode = SIZE_2Nx2N;
769	}
770	}
771	#endif
772
773	if ( pcCU->isIntra( uiAbsPartIdx ) )
774	{
775	#if H3D_QTL
776	if(bParsePartSize)
777	{
778	#endif
779	uiSymbol = 1;
780	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
781	{
782	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, 0) );
783	}
784	eMode = uiSymbol ? SIZE_2Nx2N : SIZE_NxN;
785	#if H3D_QTL
786	}
787	#endif
788	UInt uiTrLevel = 0;
789	UInt uiWidthInBit = g_aucConvertToBit[pcCU->getWidth(uiAbsPartIdx)]+2;
790	UInt uiTrSizeInBit = g_aucConvertToBit[pcCU->getSlice()->getSPS()->getMaxTrSize()]+2;
791	uiTrLevel = uiWidthInBit >= uiTrSizeInBit ? uiWidthInBit - uiTrSizeInBit : 0;
792	if( eMode == SIZE_NxN )
793	{
794	pcCU->setTrIdxSubParts( 1+uiTrLevel, uiAbsPartIdx, uiDepth );
795	}
796	else
797	{
798	pcCU->setTrIdxSubParts( uiTrLevel, uiAbsPartIdx, uiDepth );
799	}
800	}
801	else
802	{
803	#if H3D_QTL
804	if(bParsePartSize)
805	{
806	#endif
807	UInt uiMaxNumBits = 2;
808	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getSlice()->getSPS()->getDisInter4x4() && (g_uiMaxCUWidth>>uiDepth) == 8 && (g_uiMaxCUHeight>>uiDepth) == 8 ) )
809	{
810	uiMaxNumBits ++;
811	}
812	for ( UInt ui = 0; ui < uiMaxNumBits; ui++ )
813	{
814	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, ui) );
815	if ( uiSymbol )
816	{
817	break;
818	}
819	uiMode++;
820	}
821	eMode = (PartSize) uiMode;
822	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
823	{
824	if (eMode == SIZE_2NxN)
825	{
826	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUAMPSCModel.get( 0, 0, 0 ));
827	if (uiSymbol == 0)
828	{
829	m_pcTDecBinIf->decodeBinEP(uiSymbol);
830	eMode = (uiSymbol == 0? SIZE_2NxnU : SIZE_2NxnD);
831	}
832	}
833	else if (eMode == SIZE_Nx2N)
834	{
835	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUAMPSCModel.get( 0, 0, 0 ));
836	if (uiSymbol == 0)
837	{
838	m_pcTDecBinIf->decodeBinEP(uiSymbol);
839	eMode = (uiSymbol == 0? SIZE_nLx2N : SIZE_nRx2N);
840	}
841	}
842	}
843	#if H3D_QTL
844	}
845	#endif
846	}
847	pcCU->setPartSizeSubParts( eMode, uiAbsPartIdx, uiDepth );
848	pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth );
849	}
850
851	/** parse prediction mode
852	* \param pcCU
853	* \param uiAbsPartIdx
854	* \param uiDepth
855	* \returns Void
856	*/
857	Void TDecSbac::parsePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
858	{
859	if( pcCU->getSlice()->isIntra() )
860	{
861	pcCU->setPredModeSubParts( MODE_INTRA, uiAbsPartIdx, uiDepth );
862	return;
863	}
864
865	UInt uiSymbol;
866	Int iPredMode = MODE_INTER;
867	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
868	iPredMode += uiSymbol;
869	pcCU->setPredModeSubParts( (PredMode)iPredMode, uiAbsPartIdx, uiDepth );
870	}
871
872	Void TDecSbac::parseIntraDirLumaAng ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
873	{
874	UInt uiSymbol;
875	Int intraPredMode;
876
877	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
878	UInt uiFlag = 0;
879	if( pcCU->getSlice()->getSPS()->getUseDMM() && (g_uiMaxCUWidth>>uiDepth) <= DMM_WEDGEMODEL_MAX_SIZE )
880	{
881	m_pcTDecBinIf->decodeBin( uiFlag, m_cDmmFlagSCModel.get(0, 0, 0) );
882	}
883	if( uiFlag )
884	{
885	UInt uiDMMode;
886
887	#if HHI_DMM_WEDGE_INTRA && HHI_DMM_PRED_TEX
888	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode = uiSymbol;
889	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode \|= uiSymbol << 1;
890	if ( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && g_uiMaxCUWidth>>uiDepth > 4 )
891	{
892	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode \|= uiSymbol << 2;
893	}
894	#else
895	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode = uiSymbol;
896	if ( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && g_uiMaxCUWidth>>uiDepth > 4 )
897	{
898	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode \|= uiSymbol << 1;
899	}
900	#endif
901	intraPredMode = uiDMMode + NUM_INTRA_MODE;
902
903	#if HHI_DMM_WEDGE_INTRA
904	if( intraPredMode == DMM_WEDGE_FULL_IDX ) { xParseWedgeFullInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
905	if( intraPredMode == DMM_WEDGE_FULL_D_IDX ) { xParseWedgeFullDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
906	if( intraPredMode == DMM_WEDGE_PREDDIR_IDX ) { xParseWedgePredDirInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
907	if( intraPredMode == DMM_WEDGE_PREDDIR_D_IDX ) { xParseWedgePredDirDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
908	#endif
909	#if HHI_DMM_PRED_TEX
910	if( intraPredMode == DMM_WEDGE_PREDTEX_D_IDX ) { xParseWedgePredTexDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
911	#if LGE_DMM3_SIMP_C0044
912	if( intraPredMode == DMM_WEDGE_PREDTEX_IDX ) { xParseWedgePredTexInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
913	#endif
914	if( intraPredMode == DMM_CONTOUR_PREDTEX_D_IDX ) { xParseContourPredTexDeltaInfo( pcCU, uiAbsPartIdx, uiDepth ); }
915	#endif
916	}
917	else
918	{
919	#endif
920
921	#if LGE_EDGE_INTRA_A0070
922	Bool bCodeEdgeIntra = false;
923	if( pcCU->getSlice()->getSPS()->isDepth() )
924	{
925	UInt uiPUWidth = pcCU->getWidth( uiAbsPartIdx ) >> (pcCU->getPartitionSize( uiAbsPartIdx ) == SIZE_NxN ? 1 : 0);
926	if( uiPUWidth <= LGE_EDGE_INTRA_MAX_SIZE && uiPUWidth >= LGE_EDGE_INTRA_MIN_SIZE )
927	bCodeEdgeIntra = true;
928	}
929	#endif
930
931	Int uiPreds[3] = {-1, -1, -1};
932	Int uiPredNum = pcCU->getIntraDirLumaPredictor(uiAbsPartIdx, uiPreds);
933	#if LGE_EDGE_INTRA_A0070
934	UInt uiCheckBit = 0;
935	#endif
936
937	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 0) );
938
939	if ( uiSymbol )
940	{
941	m_pcTDecBinIf->decodeBinEP( uiSymbol );
942	if (uiSymbol)
943	{
944	m_pcTDecBinIf->decodeBinEP( uiSymbol );
945	uiSymbol++;
946	}
947	intraPredMode = uiPreds[uiSymbol];
948	}
949	else
950	{
951	intraPredMode = 0;
952
953
954	m_pcTDecBinIf->decodeBinsEP( uiSymbol, 5 );
955	#if LGE_EDGE_INTRA_A0070
956	if (bCodeEdgeIntra)
957	{
958	if (uiSymbol==31)
959	{
960	m_pcTDecBinIf->decodeBinsEP(uiCheckBit,1);
961	if (uiCheckBit)
962	uiSymbol = EDGE_INTRA_IDX;
963	}
964	}
965	#endif
966	intraPredMode = uiSymbol;
967
968	//postponed sorting of MPMs (only in remaining branch)
969	if (uiPreds[0] > uiPreds[1])
970	{
971	std::swap(uiPreds[0], uiPreds[1]);
972	}
973	if (uiPreds[0] > uiPreds[2])
974	{
975	std::swap(uiPreds[0], uiPreds[2]);
976	}
977	if (uiPreds[1] > uiPreds[2])
978	{
979	std::swap(uiPreds[1], uiPreds[2]);
980	}
981	#if LGE_EDGE_INTRA_A0070
982	if ( intraPredMode != EDGE_INTRA_IDX)
983	{
984	#endif
985	for ( Int i = 0; i < uiPredNum; i++ )
986	{
987	intraPredMode += ( intraPredMode >= uiPreds[i] );
988	}
989	#if LGE_EDGE_INTRA_A0070
990	}
991	#endif
992	}
993
994	#if LGE_EDGE_INTRA_A0070
995	if( intraPredMode == EDGE_INTRA_IDX )
996	{
997	xParseEdgeIntraInfo( pcCU, uiAbsPartIdx, uiDepth );
998	#if LGE_EDGE_INTRA_DELTA_DC
999	m_pcTDecBinIf->decodeBin( uiSymbol, m_cEdgeIntraDeltaDCSCModel.get(0, 0, 0) );
1000	if( uiSymbol )
1001	{
1002	intraPredMode = EDGE_INTRA_DELTA_IDX;
1003	Int iDeltaDC0;
1004	Int iDeltaDC1;
1005
1006	xReadExGolombLevel( (UInt &) iDeltaDC0, m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
1007	if( iDeltaDC0 != 0 )
1008	{
1009	UInt uiSign;
1010	m_pcTDecBinIf->decodeBinEP( uiSign );
1011	if ( uiSign )
1012	{
1013	iDeltaDC0 = -iDeltaDC0;
1014	}
1015	}
1016	xReadExGolombLevel( (UInt &) iDeltaDC1, m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
1017	if( iDeltaDC1 != 0 )
1018	{
1019	UInt uiSign;
1020	m_pcTDecBinIf->decodeBinEP( uiSign );
1021	if ( uiSign )
1022	{
1023	iDeltaDC1 = -iDeltaDC1;
1024	}
1025	}
1026
1027	pcCU->setEdgeDeltaDC0( uiAbsPartIdx, iDeltaDC0 );
1028	pcCU->setEdgeDeltaDC1( uiAbsPartIdx, iDeltaDC1 );
1029	}
1030	#endif
1031	}
1032	#endif
1033
1034	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
1035	}
1036	#endif
1037
1038	pcCU->setLumaIntraDirSubParts( (UChar)intraPredMode, uiAbsPartIdx, uiDepth );
1039	}
1040
1041	Void TDecSbac::parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
1042	{
1043	UInt uiSymbol;
1044
1045	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1046
1047	if( uiSymbol == 0 )
1048	{
1049	uiSymbol = DM_CHROMA_IDX;
1050	}
1051	else
1052	{
1053	if( pcCU->getSlice()->getSPS()->getUseLMChroma() )
1054	{
1055	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUChromaPredSCModel.get( 0, 0, 1 ) );
1056	}
1057	else
1058	{
1059	uiSymbol = 1;
1060	}
1061
1062	if( uiSymbol == 0 )
1063	{
1064	uiSymbol = LM_CHROMA_IDX;
1065	}
1066	else
1067	{
1068	UInt uiIPredMode;
1069	m_pcTDecBinIf->decodeBinsEP( uiIPredMode, 2 );
1070	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1071	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1072	uiSymbol = uiAllowedChromaDir[ uiIPredMode ];
1073	}
1074	}
1075	pcCU->setChromIntraDirSubParts( uiSymbol, uiAbsPartIdx, uiDepth );
1076	return;
1077	}
1078
1079	Void TDecSbac::parseInterDir( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx, UInt uiDepth )
1080	{
1081	UInt uiSymbol;
1082	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1083	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1084	m_pcTDecBinIf->decodeBin( uiSymbol, *( pCtx + uiCtx ) );
1085
1086	if( uiSymbol )
1087	{
1088	uiSymbol = 2;
1089	}
1090
1091	uiSymbol++;
1092	ruiInterDir = uiSymbol;
1093	return;
1094	}
1095
1096	Void TDecSbac::parseRefFrmIdx( TComDataCU* pcCU, Int& riRefFrmIdx, UInt uiAbsPartIdx, UInt uiDepth, RefPicList eRefList )
1097	{
1098	UInt uiSymbol;
1099
1100	if(pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C ) > 0 && eRefList==REF_PIC_LIST_C)
1101	{
1102	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1103	m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx );
1104
1105	if( uiSymbol )
1106	{
1107	xReadUnaryMaxSymbol( uiSymbol, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_C )-2 );
1108	uiSymbol++;
1109	}
1110	riRefFrmIdx = uiSymbol;
1111	}
1112	else
1113	{
1114	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1115	m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx );
1116
1117	if( uiSymbol )
1118	{
1119	xReadUnaryMaxSymbol( uiSymbol, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( eRefList )-2 );
1120	uiSymbol++;
1121	}
1122	riRefFrmIdx = uiSymbol;
1123	}
1124
1125	return;
1126	}
1127
1128	Void TDecSbac::parseMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList )
1129	{
1130	UInt uiSymbol;
1131	UInt uiHorAbs;
1132	UInt uiVerAbs;
1133	UInt uiHorSign = 0;
1134	UInt uiVerSign = 0;
1135	ContextModel *pCtx = m_cCUMvdSCModel.get( 0 );
1136
1137	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1138	{
1139	uiHorAbs=0;
1140	uiVerAbs=0;
1141	}
1142	else
1143	{
1144
1145	m_pcTDecBinIf->decodeBin( uiHorAbs, *pCtx );
1146	m_pcTDecBinIf->decodeBin( uiVerAbs, *pCtx );
1147
1148	const Bool bHorAbsGr0 = uiHorAbs != 0;
1149	const Bool bVerAbsGr0 = uiVerAbs != 0;
1150	pCtx++;
1151
1152	if( bHorAbsGr0 )
1153	{
1154	m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx );
1155	uiHorAbs += uiSymbol;
1156	}
1157
1158	if( bVerAbsGr0 )
1159	{
1160	m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx );
1161	uiVerAbs += uiSymbol;
1162	}
1163
1164	if( bHorAbsGr0 )
1165	{
1166	if( 2 == uiHorAbs )
1167	{
1168	xReadEpExGolomb( uiSymbol, 1 );
1169	uiHorAbs += uiSymbol;
1170	}
1171
1172	m_pcTDecBinIf->decodeBinEP( uiHorSign );
1173	}
1174
1175	if( bVerAbsGr0 )
1176	{
1177	if( 2 == uiVerAbs )
1178	{
1179	xReadEpExGolomb( uiSymbol, 1 );
1180	uiVerAbs += uiSymbol;
1181	}
1182
1183	m_pcTDecBinIf->decodeBinEP( uiVerSign );
1184	}
1185
1186	}
1187
1188	const TComMv cMv( uiHorSign ? -Int( uiHorAbs ): uiHorAbs, uiVerSign ? -Int( uiVerAbs ) : uiVerAbs );
1189	pcCU->getCUMvField( eRefList )->setAllMvd( cMv, pcCU->getPartitionSize( uiAbsPartIdx ), uiAbsPartIdx, uiDepth, uiPartIdx );
1190	return;
1191	}
1192
1193
1194	Void TDecSbac::parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize )
1195	{
1196	m_pcTDecBinIf->decodeBin( ruiSubdivFlag, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiLog2TransformBlockSize ) );
1197	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1198	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
1199	DTRACE_CABAC_T( "\tsymbol=" )
1200	DTRACE_CABAC_V( ruiSubdivFlag )
1201	DTRACE_CABAC_T( "\tctx=" )
1202	DTRACE_CABAC_V( uiLog2TransformBlockSize )
1203	DTRACE_CABAC_T( "\n" )
1204	}
1205
1206	Void TDecSbac::parseQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt& uiQtRootCbf )
1207	{
1208	UInt uiSymbol;
1209	const UInt uiCtx = 0;
1210	m_pcTDecBinIf->decodeBin( uiSymbol , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1211	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1212	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1213	DTRACE_CABAC_T( "\tsymbol=" )
1214	DTRACE_CABAC_V( uiSymbol )
1215	DTRACE_CABAC_T( "\tctx=" )
1216	DTRACE_CABAC_V( uiCtx )
1217	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1218	DTRACE_CABAC_V( uiAbsPartIdx )
1219	DTRACE_CABAC_T( "\n" )
1220
1221	uiQtRootCbf = uiSymbol;
1222	}
1223
1224	Void TDecSbac::parseDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
1225	{
1226	Int qp;
1227	UInt uiDQp;
1228	Int iDQp;
1229
1230	m_pcTDecBinIf->decodeBin( uiDQp, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) );
1231
1232	if ( uiDQp == 0 )
1233	{
1234	qp = pcCU->getRefQP(uiAbsPartIdx);
1235	}
1236	else
1237	{
1238	UInt uiSign;
1239	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY();
1240	m_pcTDecBinIf->decodeBinEP(uiSign);
1241
1242	UInt uiMaxAbsDQpMinus1 = 24 + (qpBdOffsetY/2) + (uiSign);
1243	UInt uiAbsDQpMinus1;
1244	xReadUnaryMaxSymbol (uiAbsDQpMinus1, &m_cCUDeltaQpSCModel.get( 0, 0, 1 ), 1, uiMaxAbsDQpMinus1);
1245
1246	iDQp = uiAbsDQpMinus1 + 1;
1247
1248	if(uiSign)
1249	{
1250	iDQp = -iDQp;
1251	}
1252
1253	qp = (((Int) pcCU->getRefQP( uiAbsPartIdx ) + iDQp + 52 + 2*qpBdOffsetY )%(52+qpBdOffsetY)) - qpBdOffsetY;
1254	}
1255
1256	UInt uiAbsQpCUPartIdx = (uiAbsPartIdx>>(8-(pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()<<1)))<<(8-(pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()<<1)) ;
1257	UInt uiQpCUDepth = min(uiDepth,pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()) ;
1258	pcCU->setQPSubParts( qp, uiAbsQpCUPartIdx, uiQpCUDepth );
1259	}
1260
1261	Void TDecSbac::parseQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth )
1262	{
1263	UInt uiSymbol;
1264	const UInt uiCtx = pcCU->getCtxQtCbf( uiAbsPartIdx, eType, uiTrDepth );
1265	m_pcTDecBinIf->decodeBin( uiSymbol , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA: eType, uiCtx ) );
1266
1267	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1268	DTRACE_CABAC_T( "\tparseQtCbf()" )
1269	DTRACE_CABAC_T( "\tsymbol=" )
1270	DTRACE_CABAC_V( uiSymbol )
1271	DTRACE_CABAC_T( "\tctx=" )
1272	DTRACE_CABAC_V( uiCtx )
1273	DTRACE_CABAC_T( "\tetype=" )
1274	DTRACE_CABAC_V( eType )
1275	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1276	DTRACE_CABAC_V( uiAbsPartIdx )
1277	DTRACE_CABAC_T( "\n" )
1278
1279	pcCU->setCbfSubParts( uiSymbol << uiTrDepth, eType, uiAbsPartIdx, uiDepth );
1280	}
1281
1282	/** Parse (X,Y) position of the last significant coefficient
1283	* \param uiPosLastX reference to X component of last coefficient
1284	* \param uiPosLastY reference to Y component of last coefficient
1285	* \param width Block width
1286	* \param height Block height
1287	* \param eTType plane type / luminance or chrominance
1288	* \param uiScanIdx scan type (zig-zag, hor, ver)
1289	*
1290	* This method decodes the X and Y component within a block of the last significant coefficient.
1291	*/
1292	Void TDecSbac::parseLastSignificantXY( UInt& uiPosLastX, UInt& uiPosLastY, Int width, Int height, TextType eTType, UInt uiScanIdx )
1293	{
1294	UInt uiLast;
1295	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
1296	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
1297
1298	// posX
1299	Int widthCtx = eTType ? 4 : width;
1300	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ widthCtx ] ( g_aucConvertToBit[ widthCtx ] + 3 ) );
1301	for( uiPosLastX = 0; uiPosLastX < g_uiGroupIdx[ width - 1 ]; uiPosLastX++ )
1302	{
1303	if ( eTType )
1304	{
1305	m_pcTDecBinIf->decodeBin( uiLast, *( pCtxX + (uiPosLastX>>g_aucConvertToBit[ width ]) ) );
1306	}
1307	else
1308	{
1309	m_pcTDecBinIf->decodeBin( uiLast, *( pCtxX + puiCtxIdxX[ uiPosLastX ] ) );
1310	}
1311	if( !uiLast )
1312	{
1313	break;
1314	}
1315	}
1316
1317	// posY
1318	Int heightCtx = eTType? 4 : height;
1319	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ heightCtx ] ( g_aucConvertToBit[ heightCtx ] + 3 ) );
1320	for( uiPosLastY = 0; uiPosLastY < g_uiGroupIdx[ height - 1 ]; uiPosLastY++ )
1321	{
1322	if (eTType)
1323	{
1324	m_pcTDecBinIf->decodeBin( uiLast, *( pCtxY + (uiPosLastY>>g_aucConvertToBit[ height ]) ) );
1325	}
1326	else
1327	{
1328	m_pcTDecBinIf->decodeBin( uiLast, *( pCtxY + puiCtxIdxY[ uiPosLastY ] ) );
1329	}
1330	if( !uiLast )
1331	{
1332	break;
1333	}
1334	}
1335	if ( uiPosLastX > 3 )
1336	{
1337	UInt uiTemp = 0;
1338	UInt uiCount = ( uiPosLastX - 2 ) >> 1;
1339	for ( Int i = uiCount - 1; i >= 0; i-- )
1340	{
1341	m_pcTDecBinIf->decodeBinEP( uiLast );
1342	uiTemp += uiLast << i;
1343	}
1344	uiPosLastX = g_uiMinInGroup[ uiPosLastX ] + uiTemp;
1345	}
1346	if ( uiPosLastY > 3 )
1347	{
1348	UInt uiTemp = 0;
1349	UInt uiCount = ( uiPosLastY - 2 ) >> 1;
1350	for ( Int i = uiCount - 1; i >= 0; i-- )
1351	{
1352	m_pcTDecBinIf->decodeBinEP( uiLast );
1353	uiTemp += uiLast << i;
1354	}
1355	uiPosLastY = g_uiMinInGroup[ uiPosLastY ] + uiTemp;
1356	}
1357
1358	if( uiScanIdx == SCAN_VER )
1359	{
1360	swap( uiPosLastX, uiPosLastY );
1361	}
1362	}
1363
1364	Void TDecSbac::parseCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType )
1365	{
1366	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1367	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1368	DTRACE_CABAC_V( eTType )
1369	DTRACE_CABAC_T( "\twidth=" )
1370	DTRACE_CABAC_V( uiWidth )
1371	DTRACE_CABAC_T( "\theight=" )
1372	DTRACE_CABAC_V( uiHeight )
1373	DTRACE_CABAC_T( "\tdepth=" )
1374	DTRACE_CABAC_V( uiDepth )
1375	DTRACE_CABAC_T( "\tabspartidx=" )
1376	DTRACE_CABAC_V( uiAbsPartIdx )
1377	DTRACE_CABAC_T( "\ttoCU-X=" )
1378	DTRACE_CABAC_V( pcCU->getCUPelX() )
1379	DTRACE_CABAC_T( "\ttoCU-Y=" )
1380	DTRACE_CABAC_V( pcCU->getCUPelY() )
1381	DTRACE_CABAC_T( "\tCU-addr=" )
1382	DTRACE_CABAC_V( pcCU->getAddr() )
1383	DTRACE_CABAC_T( "\tinCU-X=" )
1384	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1385	DTRACE_CABAC_T( "\tinCU-Y=" )
1386	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1387	DTRACE_CABAC_T( "\tpredmode=" )
1388	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1389	DTRACE_CABAC_T( "\n" )
1390
1391	if( uiWidth > pcCU->getSlice()->getSPS()->getMaxTrSize() )
1392	{
1393	uiWidth = pcCU->getSlice()->getSPS()->getMaxTrSize();
1394	uiHeight = pcCU->getSlice()->getSPS()->getMaxTrSize();
1395	}
1396
1397	eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA );
1398
1399	//----- parse significance map -----
1400	const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2;
1401	const UInt uiMaxNumCoeff = uiWidth * uiHeight;
1402	const UInt uiMaxNumCoeffM1 = uiMaxNumCoeff - 1;
1403	UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx));
1404	int blockType = uiLog2BlockSize;
1405	if (uiWidth != uiHeight)
1406	{
1407	uiScanIdx = SCAN_DIAG;
1408	blockType = 4;
1409	}
1410
1411	//===== decode last significant =====
1412	UInt uiPosLastX, uiPosLastY;
1413	parseLastSignificantXY( uiPosLastX, uiPosLastY, uiWidth, uiHeight, eTType, uiScanIdx );
1414	UInt uiBlkPosLast = uiPosLastX + (uiPosLastY<<uiLog2BlockSize);
1415	pcCoef[ uiBlkPosLast ] = 1;
1416
1417	//===== decode significance flags =====
1418	UInt uiScanPosLast = uiBlkPosLast;
1419	if (uiScanIdx == SCAN_ZIGZAG)
1420	{
1421	// Map zigzag to diagonal scan
1422	uiScanIdx = SCAN_DIAG;
1423	}
1424	const UInt * scan;
1425	if (uiWidth == uiHeight)
1426	{
1427	scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize-1 ];
1428	}
1429	else
1430	{
1431	scan = g_sigScanNSQT[ uiLog2BlockSize - 2 ];
1432	}
1433	for( uiScanPosLast = 0; uiScanPosLast < uiMaxNumCoeffM1; uiScanPosLast++ )
1434	{
1435	UInt uiBlkPos = scan[ uiScanPosLast ];
1436	if( uiBlkPosLast == uiBlkPos )
1437	{
1438	break;
1439	}
1440	}
1441
1442	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType );
1443	ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA;
1444
1445	const Int iLastScanSet = uiScanPosLast >> LOG2_SCAN_SET_SIZE;
1446	UInt uiNumOne = 0;
1447	UInt uiGoRiceParam = 0;
1448
1449	UInt const tsig = pcCU->getSlice()->getPPS()->getTSIG();
1450	#if LOSSLESS_CODING
1451	Bool beValid;
1452	if (pcCU->isLosslessCoded(uiAbsPartIdx))
1453	{
1454	beValid = false;
1455	}
1456	else
1457	{
1458	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1459	}
1460	#else
1461	Bool beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1462	#endif
1463	UInt absSum = 0;
1464
1465	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1466	::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1467	const UInt uiNumBlkSide = uiWidth >> (MLS_CG_SIZE >> 1);
1468	const UInt * scanCG;
1469	if (uiWidth == uiHeight)
1470	{
1471	scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ];
1472	if( uiLog2BlockSize == 3 )
1473	{
1474	scanCG = g_sigLastScan8x8[ uiScanIdx ];
1475	}
1476	else if( uiLog2BlockSize == 5 )
1477	{
1478	scanCG = g_sigLastScanCG32x32;
1479	}
1480	}
1481	else
1482	{
1483	scanCG = g_sigCGScanNSQT[ uiLog2BlockSize - 2 ];
1484	}
1485	Int iScanPosSig = (Int) uiScanPosLast;
1486	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1487	{
1488	Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE;
1489	uiGoRiceParam = 0;
1490	Int numNonZero = 0;
1491
1492	Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE;
1493
1494	Int pos[SCAN_SET_SIZE];
1495	if( iScanPosSig == (Int) uiScanPosLast )
1496	{
1497	lastNZPosInCG = iScanPosSig;
1498	firstNZPosInCG = iScanPosSig;
1499	iScanPosSig--;
1500	pos[ numNonZero ] = uiBlkPosLast;
1501	numNonZero = 1;
1502	}
1503
1504	// decode significant_coeffgroup_flag
1505	Int iCGBlkPos = scanCG[ iSubSet ];
1506	Int iCGPosY = iCGBlkPos / uiNumBlkSide;
1507	Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide);
1508	if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR \|\| uiScanIdx == SCAN_VER) )
1509	{
1510	iCGPosY = (uiScanIdx == SCAN_HOR ? iCGBlkPos : 0);
1511	iCGPosX = (uiScanIdx == SCAN_VER ? iCGBlkPos : 0);
1512	}
1513	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1514	{
1515	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1516	}
1517	else
1518	{
1519	UInt uiSigCoeffGroup;
1520	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight );
1521	m_pcTDecBinIf->decodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1522	uiSigCoeffGroupFlag[ iCGBlkPos ] = uiSigCoeffGroup;
1523	}
1524
1525	// decode significant_coeff_flag
1526	UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig;
1527	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1528	{
1529	uiBlkPos = scan[ iScanPosSig ];
1530	uiPosY = uiBlkPos >> uiLog2BlockSize;
1531	uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1532	uiSig = 0;
1533
1534	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1535	{
1536	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1537	{
1538	uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1539	m_pcTDecBinIf->decodeBin( uiSig, baseCtx[ uiCtxSig ] );
1540	}
1541	else
1542	{
1543	uiSig = 1;
1544	}
1545	}
1546	pcCoef[ uiBlkPos ] = uiSig;
1547	if( uiSig )
1548	{
1549	pos[ numNonZero ] = uiBlkPos;
1550	numNonZero ++;
1551	if( lastNZPosInCG == -1 )
1552	{
1553	lastNZPosInCG = iScanPosSig;
1554	}
1555	firstNZPosInCG = iScanPosSig;
1556	}
1557	}
1558
1559
1560	if( numNonZero )
1561	{
1562	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= (Int)tsig );
1563	absSum = 0;
1564
1565	UInt c1 = 1;
1566	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0;
1567	UInt uiBin;
1568
1569	if( uiNumOne > 0 )
1570	{
1571	uiCtxSet++;
1572	}
1573
1574	uiNumOne >>= 1;
1575	ContextModel baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet;
1576	Int absCoeff[SCAN_SET_SIZE];
1577
1578	for ( Int i = 0; i < numNonZero; i++) absCoeff[i] = 1;
1579	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
1580	Int firstC2FlagIdx = -1;
1581
1582	for( Int idx = 0; idx < numC1Flag; idx++ )
1583	{
1584	m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[c1] );
1585	if( uiBin == 1 )
1586	{
1587	c1 = 0;
1588	if (firstC2FlagIdx == -1)
1589	{
1590	firstC2FlagIdx = idx;
1591	}
1592	}
1593	else if( (c1 < 3) && (c1 > 0) )
1594	{
1595	c1++;
1596	}
1597	absCoeff[ idx ] = uiBin + 1;
1598	}
1599
1600	if (c1 == 0)
1601	{
1602	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet;
1603	if ( firstC2FlagIdx != -1)
1604	{
1605	m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[0] );
1606	absCoeff[ firstC2FlagIdx ] = uiBin + 2;
1607	}
1608	}
1609
1610	UInt coeffSigns;
1611	if ( signHidden && beValid )
1612	{
1613	m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero-1 );
1614	coeffSigns <<= 32 - (numNonZero-1);
1615	}
1616	else
1617	{
1618	m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero );
1619	coeffSigns <<= 32 - numNonZero;
1620	}
1621
1622	Int iFirstCoeff2 = 1;
1623	if (c1 == 0 \|\| numNonZero > C1FLAG_NUMBER)
1624	{
1625	for( Int idx = 0; idx < numNonZero; idx++ )
1626	{
1627	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2) : 1;
1628
1629	if( absCoeff[ idx ] == baseLevel)
1630	{
1631	UInt uiLevel;
1632	xReadGoRiceExGolomb( uiLevel, uiGoRiceParam );
1633	absCoeff[ idx ] = uiLevel + baseLevel;
1634	}
1635
1636	if(absCoeff[ idx ] >= 2)
1637	{
1638	iFirstCoeff2 = 0;
1639	uiNumOne++;
1640	}
1641	}
1642	}
1643
1644	for( Int idx = 0; idx < numNonZero; idx++ )
1645	{
1646	Int blkPos = pos[ idx ];
1647	// Signs applied later.
1648	pcCoef[ blkPos ] = absCoeff[ idx ];
1649	absSum += absCoeff[ idx ];
1650
1651	if ( idx == numNonZero-1 && signHidden && beValid )
1652	{
1653	// Infer sign of 1st element.
1654	if (absSum&0x1)
1655	pcCoef[ blkPos ] = -pcCoef[ blkPos ];
1656	}
1657	else
1658	{
1659	Int sign = static_cast<Int>( coeffSigns ) >> 31;
1660	pcCoef[ blkPos ] = ( pcCoef[ blkPos ] ^ sign ) - sign;
1661	coeffSigns <<= 1;
1662	}
1663	}
1664	}
1665	else
1666	{
1667	uiNumOne >>= 1;
1668	}
1669	}
1670
1671	return;
1672	}
1673
1674
1675	Void TDecSbac::parseSaoUvlc (UInt& ruiVal)
1676	{
1677	UInt uiCode;
1678	Int i;
1679
1680	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoUvlcSCModel.get( 0, 0, 0 ) );
1681	if ( uiCode == 0 )
1682	{
1683	ruiVal = 0;
1684	return;
1685	}
1686
1687	i=1;
1688	while (1)
1689	{
1690	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoUvlcSCModel.get( 0, 0, 1 ) );
1691	if ( uiCode == 0 ) break;
1692	i++;
1693	}
1694
1695	ruiVal = i;
1696	}
1697
1698	Void TDecSbac::parseSaoSvlc (Int& riVal)
1699	{
1700	UInt uiCode;
1701	Int iSign;
1702	Int i;
1703
1704	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoSvlcSCModel.get( 0, 0, 0 ) );
1705
1706	if ( uiCode == 0 )
1707	{
1708	riVal = 0;
1709	return;
1710	}
1711
1712	// read sign
1713	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoSvlcSCModel.get( 0, 0, 1 ) );
1714
1715	if ( uiCode == 0 )
1716	{
1717	iSign = 1;
1718	}
1719	else
1720	{
1721	iSign = -1;
1722	}
1723
1724	// read magnitude
1725	i=1;
1726	while (1)
1727	{
1728	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoSvlcSCModel.get( 0, 0, 2 ) );
1729	if ( uiCode == 0 ) break;
1730	i++;
1731	}
1732
1733	riVal = i*iSign;
1734	}
1735
1736	Void TDecSbac::parseSaoUflc (UInt& riVal)
1737	{
1738	UInt uiSymbol;
1739	riVal = 0;
1740	for (Int i=0;i<5;i++)
1741	{
1742	m_pcTDecBinIf->decodeBinEP ( uiSymbol );
1743	if (uiSymbol)
1744	{
1745	riVal \|= (1<<i);
1746	}
1747	}
1748	}
1749	Void TDecSbac::parseSaoMergeLeft (UInt& ruiVal, UInt uiCompIdx)
1750	{
1751	UInt uiCode;
1752	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ) );
1753	ruiVal = (Int)uiCode;
1754	}
1755
1756	Void TDecSbac::parseSaoMergeUp (UInt& ruiVal)
1757	{
1758	UInt uiCode;
1759	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoMergeUpSCModel.get( 0, 0, 0 ) );
1760	ruiVal = (Int)uiCode;
1761	}
1762	Void TDecSbac::parseSaoTypeIdx (UInt& ruiVal)
1763	{
1764	UInt uiCode;
1765	Int i;
1766	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
1767	if ( uiCode == 0 )
1768	{
1769	ruiVal = 0;
1770	return;
1771	}
1772	i=1;
1773	while (1)
1774	{
1775	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) );
1776	if ( uiCode == 0 ) break;
1777	i++;
1778	}
1779	ruiVal = i;
1780	}
1781
1782	inline Void copySaoOneLcuParam(SaoLcuParam* psDst, SaoLcuParam* psSrc)
1783	{
1784	Int i;
1785	psDst->partIdx = psSrc->partIdx;
1786	psDst->typeIdx = psSrc->typeIdx;
1787	if (psDst->typeIdx != -1)
1788	{
1789	if (psDst->typeIdx == SAO_BO)
1790	{
1791	psDst->bandPosition = psSrc->bandPosition ;
1792	}
1793	else
1794	{
1795	psDst->bandPosition = 0;
1796	}
1797	psDst->length = psSrc->length;
1798	for (i=0;i<psDst->length;i++)
1799	{
1800	psDst->offset[i] = psSrc->offset[i];
1801	}
1802	}
1803	else
1804	{
1805	psDst->length = 0;
1806	for (i=0;i<SAO_BO_LEN;i++)
1807	{
1808	psDst->offset[i] = 0;
1809	}
1810	}
1811	}
1812	Void TDecSbac::parseSaoOffset(SaoLcuParam* psSaoLcuParam)
1813	{
1814	UInt uiSymbol;
1815	Int iSymbol;
1816	static Int iTypeLength[MAX_NUM_SAO_TYPE] = {
1817	SAO_EO_LEN,
1818	SAO_EO_LEN,
1819	SAO_EO_LEN,
1820	SAO_EO_LEN,
1821	SAO_BO_LEN
1822	};
1823
1824	parseSaoTypeIdx(uiSymbol);
1825	psSaoLcuParam->typeIdx = (Int)uiSymbol - 1;
1826	if (uiSymbol)
1827	{
1828	psSaoLcuParam->length = iTypeLength[psSaoLcuParam->typeIdx];
1829	if( psSaoLcuParam->typeIdx == SAO_BO )
1830	{
1831	// Parse Left Band Index
1832	parseSaoUflc( uiSymbol );
1833	psSaoLcuParam->bandPosition = uiSymbol;
1834	for(Int i=0; i< psSaoLcuParam->length; i++)
1835	{
1836	parseSaoSvlc(iSymbol);
1837	psSaoLcuParam->offset[i] = iSymbol;
1838	}
1839	}
1840	else if( psSaoLcuParam->typeIdx < 4 )
1841	{
1842	parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[0] = uiSymbol;
1843	parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[1] = uiSymbol;
1844	parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[2] = -(Int)uiSymbol;
1845	parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[3] = -(Int)uiSymbol;
1846	}
1847	}
1848	else
1849	{
1850	psSaoLcuParam->length = 0;
1851	}
1852	}
1853
1854	Void TDecSbac::parseSaoOneLcuInterleaving(Int rx, Int ry, SAOParam* pSaoParam, TComDataCU* pcCU, Int iCUAddrInSlice, Int iCUAddrUpInSlice, Bool bLFCrossSliceBoundaryFlag)
1855	{
1856	Int iAddr = pcCU->getAddr();
1857	UInt uiSymbol;
1858	for (Int iCompIdx=0; iCompIdx<3; iCompIdx++)
1859	{
1860	pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag = 0;
1861	pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag = 0;
1862	pSaoParam->saoLcuParam[iCompIdx][iAddr].bandPosition = 0;
1863	pSaoParam->saoLcuParam[iCompIdx][iAddr].typeIdx = -1;
1864	pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[0] = 0;
1865	pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[1] = 0;
1866	pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[2] = 0;
1867	pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[3] = 0;
1868
1869	if (pSaoParam->bSaoFlag[iCompIdx])
1870	{
1871	if (rx>0 && iCUAddrInSlice!=0)
1872	{
1873	parseSaoMergeLeft(uiSymbol,iCompIdx); pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag = (Int)uiSymbol;
1874	}
1875	else
1876	{
1877	pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag = 0;
1878	}
1879
1880	if (pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag==0)
1881	{
1882	if ((ry > 0) && (iCUAddrUpInSlice>0\|\|bLFCrossSliceBoundaryFlag))
1883	{
1884	parseSaoMergeUp(uiSymbol); pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag = uiSymbol;
1885	}
1886	else
1887	{
1888	pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag = 0;
1889	}
1890	if (!pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag)
1891	{
1892	parseSaoOffset(&(pSaoParam->saoLcuParam[iCompIdx][iAddr]));
1893	}
1894	else
1895	{
1896	copySaoOneLcuParam(&pSaoParam->saoLcuParam[iCompIdx][iAddr], &pSaoParam->saoLcuParam[iCompIdx][iAddr-pSaoParam->numCuInWidth]);
1897	}
1898	}
1899	else
1900	{
1901	copySaoOneLcuParam(&pSaoParam->saoLcuParam[iCompIdx][iAddr], &pSaoParam->saoLcuParam[iCompIdx][iAddr-1]);
1902	}
1903	}
1904	else
1905	{
1906	pSaoParam->saoLcuParam[iCompIdx][iAddr].typeIdx = -1;
1907	pSaoParam->saoLcuParam[iCompIdx][iAddr].bandPosition = 0;
1908	}
1909	}
1910	}
1911
1912	/**
1913	- Initialize our contexts from the nominated source.
1914	.
1915	\param pSrc Contexts to be copied.
1916	*/
1917	Void TDecSbac::xCopyContextsFrom( TDecSbac* pSrc )
1918	{
1919	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
1920	}
1921
1922	Void TDecSbac::xCopyFrom( TDecSbac* pSrc )
1923	{
1924	m_pcTDecBinIf->copyState( pSrc->m_pcTDecBinIf );
1925
1926	m_uiLastQp = pSrc->m_uiLastQp;
1927	xCopyContextsFrom( pSrc );
1928
1929	}
1930
1931	Void TDecSbac::load ( TDecSbac* pScr )
1932	{
1933	xCopyFrom(pScr);
1934	}
1935
1936	Void TDecSbac::loadContexts ( TDecSbac* pScr )
1937	{
1938	xCopyContextsFrom(pScr);
1939	}
1940
1941	Void TDecSbac::decodeFlush ( )
1942	{
1943	UInt uiBit;
1944	m_pcTDecBinIf->decodeBinTrm(uiBit);
1945	m_pcTDecBinIf->flush();
1946
1947	}
1948
1949	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX \|\| (LGE_EDGE_INTRA_A0070 && LGE_EDGE_INTRA_DELTA_DC)
1950	Void TDecSbac::xReadExGolombLevel( UInt& ruiSymbol, ContextModel& rcSCModel )
1951	{
1952	UInt uiSymbol;
1953	UInt uiCount = 0;
1954	do
1955	{
1956	m_pcTDecBinIf->decodeBin( uiSymbol, rcSCModel );
1957	uiCount++;
1958	}
1959	while( uiSymbol && ( uiCount != 13 ) );
1960
1961	ruiSymbol = uiCount - 1;
1962
1963	if( uiSymbol )
1964	{
1965	xReadEpExGolomb( uiSymbol, 0 );
1966	ruiSymbol += uiSymbol + 1;
1967	}
1968
1969	return;
1970	}
1971	#endif
1972	#if HHI_DMM_WEDGE_INTRA
1973	Void TDecSbac::xParseWedgeFullInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
1974	{
1975	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
1976	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
1977
1978	UInt uiSymbol, uiTabIdx = 0;
1979	for ( Int i = 0; i < iBits; i++ )
1980	{
1981	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 0) );
1982	uiTabIdx += ( uiSymbol && i == 0 ) ? 1 : 0;
1983	uiTabIdx += ( uiSymbol && i == 1 ) ? 2 : 0;
1984	uiTabIdx += ( uiSymbol && i == 2 ) ? 4 : 0;
1985	uiTabIdx += ( uiSymbol && i == 3 ) ? 8 : 0;
1986	uiTabIdx += ( uiSymbol && i == 4 ) ? 16 : 0;
1987	uiTabIdx += ( uiSymbol && i == 5 ) ? 32 : 0;
1988	uiTabIdx += ( uiSymbol && i == 6 ) ? 64 : 0;
1989	uiTabIdx += ( uiSymbol && i == 7 ) ? 128 : 0;
1990	uiTabIdx += ( uiSymbol && i == 8 ) ? 256 : 0;
1991	uiTabIdx += ( uiSymbol && i == 9 ) ? 512 : 0;
1992	uiTabIdx += ( uiSymbol && i == 10 ) ? 1024 : 0;
1993	uiTabIdx += ( uiSymbol && i == 11 ) ? 2048 : 0;
1994	uiTabIdx += ( uiSymbol && i == 12 ) ? 4096 : 0;
1995	}
1996
1997	pcCU->setWedgeFullTabIdxSubParts( uiTabIdx, uiAbsPartIdx, uiDepth );
1998	}
1999
2000	Void TDecSbac::xParseWedgeFullDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2001	{
2002	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2003	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2004
2005	UInt uiSymbol, uiTabIdx = 0;
2006	for ( Int i = 0; i < iBits; i++ )
2007	{
2008	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 0) );
2009	uiTabIdx += ( uiSymbol && i == 0 ) ? 1 : 0;
2010	uiTabIdx += ( uiSymbol && i == 1 ) ? 2 : 0;
2011	uiTabIdx += ( uiSymbol && i == 2 ) ? 4 : 0;
2012	uiTabIdx += ( uiSymbol && i == 3 ) ? 8 : 0;
2013	uiTabIdx += ( uiSymbol && i == 4 ) ? 16 : 0;
2014	uiTabIdx += ( uiSymbol && i == 5 ) ? 32 : 0;
2015	uiTabIdx += ( uiSymbol && i == 6 ) ? 64 : 0;
2016	uiTabIdx += ( uiSymbol && i == 7 ) ? 128 : 0;
2017	uiTabIdx += ( uiSymbol && i == 8 ) ? 256 : 0;
2018	uiTabIdx += ( uiSymbol && i == 9 ) ? 512 : 0;
2019	uiTabIdx += ( uiSymbol && i == 10 ) ? 1024 : 0;
2020	uiTabIdx += ( uiSymbol && i == 11 ) ? 2048 : 0;
2021	uiTabIdx += ( uiSymbol && i == 12 ) ? 4096 : 0;
2022	}
2023
2024	pcCU->setWedgeFullTabIdxSubParts( uiTabIdx, uiAbsPartIdx, uiDepth );
2025
2026	UInt uiDC1, uiDC2;
2027	xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) );
2028	Int iDC1 = uiDC1;
2029	if ( uiDC1 )
2030	{
2031	UInt uiSign;
2032	m_pcTDecBinIf->decodeBinEP( uiSign );
2033	if ( uiSign )
2034	{
2035	iDC1 = -iDC1;
2036	}
2037	}
2038	xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) );
2039	Int iDC2 = uiDC2;
2040	if ( uiDC2 )
2041	{
2042	UInt uiSign;
2043	m_pcTDecBinIf->decodeBinEP( uiSign );
2044	if ( uiSign )
2045	{
2046	iDC2 = -iDC2;
2047	}
2048	}
2049
2050	pcCU->setWedgeFullDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth );
2051	pcCU->setWedgeFullDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth );
2052	}
2053
2054	Void TDecSbac::xParseWedgePredDirInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2055	{
2056	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2057	{
2058	UInt uiDeltaEnd = 0;
2059	m_pcTDecBinIf->decodeBin( uiDeltaEnd, m_cDmmDataSCModel.get(0, 0, 2) );
2060
2061	Int iDeltaEnd;
2062	if( uiDeltaEnd != 0 )
2063	{
2064	UInt uiAbsValMinus1;
2065	UInt uiSymbol;
2066	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 = uiSymbol;
2067	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 \|= uiSymbol << 1;
2068	uiDeltaEnd = uiAbsValMinus1 + 1;
2069
2070	iDeltaEnd = uiDeltaEnd;
2071	UInt uiSign;
2072	m_pcTDecBinIf->decodeBinEP( uiSign );
2073	if( uiSign )
2074	{
2075	iDeltaEnd = -iDeltaEnd;
2076	}
2077	}
2078	else
2079	{
2080	iDeltaEnd = 0;
2081	}
2082	pcCU->setWedgePredDirDeltaEndSubParts( iDeltaEnd, uiAbsPartIdx, uiDepth );
2083	}
2084	}
2085
2086	Void TDecSbac::xParseWedgePredDirDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2087	{
2088	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2089	{
2090	UInt uiDeltaEnd = 0;
2091	m_pcTDecBinIf->decodeBin( uiDeltaEnd, m_cDmmDataSCModel.get(0, 0, 2) );
2092
2093	Int iDeltaEnd;
2094	if( uiDeltaEnd != 0 )
2095	{
2096	UInt uiAbsValMinus1;
2097	UInt uiSymbol;
2098	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 = uiSymbol;
2099	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 \|= uiSymbol << 1;
2100	uiDeltaEnd = uiAbsValMinus1 + 1;
2101
2102	iDeltaEnd = uiDeltaEnd;
2103	UInt uiSign;
2104	m_pcTDecBinIf->decodeBinEP( uiSign );
2105	if( uiSign )
2106	{
2107	iDeltaEnd = -iDeltaEnd;
2108	}
2109	}
2110	else
2111	{
2112	iDeltaEnd = 0;
2113	}
2114
2115	pcCU->setWedgePredDirDeltaEndSubParts( iDeltaEnd, uiAbsPartIdx, uiDepth );
2116	}
2117
2118	UInt uiDC1, uiDC2;
2119	xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) );
2120	Int iDC1 = uiDC1;
2121	if ( uiDC1 )
2122	{
2123	UInt uiSign;
2124	m_pcTDecBinIf->decodeBinEP( uiSign );
2125	if ( uiSign )
2126	{
2127	iDC1 = -iDC1;
2128	}
2129	}
2130	xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) );
2131	Int iDC2 = uiDC2;
2132	if ( uiDC2 )
2133	{
2134	UInt uiSign;
2135	m_pcTDecBinIf->decodeBinEP( uiSign );
2136	if ( uiSign )
2137	{
2138	iDC2 = -iDC2;
2139	}
2140	}
2141
2142	pcCU->setWedgePredDirDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth );
2143	pcCU->setWedgePredDirDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth );
2144	}
2145	#endif
2146	#if HHI_DMM_PRED_TEX
2147	#if LGE_DMM3_SIMP_C0044
2148	Void TDecSbac::xParseWedgePredTexInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2149	{
2150	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2151	Int iBits = g_aucWedgeTexPredBitsListIdx[iIntraIdx];
2152
2153	UInt uiSymbol, uiTabIdx = 0;
2154	for ( Int i = 0; i < iBits; i++ )
2155	{
2156	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 3) );
2157	uiTabIdx += ( uiSymbol && i == 0 ) ? 1 : 0;
2158	uiTabIdx += ( uiSymbol && i == 1 ) ? 2 : 0;
2159	uiTabIdx += ( uiSymbol && i == 2 ) ? 4 : 0;
2160	uiTabIdx += ( uiSymbol && i == 3 ) ? 8 : 0;
2161	uiTabIdx += ( uiSymbol && i == 4 ) ? 16 : 0;
2162	uiTabIdx += ( uiSymbol && i == 5 ) ? 32 : 0;
2163	uiTabIdx += ( uiSymbol && i == 6 ) ? 64 : 0;
2164	uiTabIdx += ( uiSymbol && i == 7 ) ? 128 : 0;
2165	uiTabIdx += ( uiSymbol && i == 8 ) ? 256 : 0;
2166	uiTabIdx += ( uiSymbol && i == 9 ) ? 512 : 0;
2167	uiTabIdx += ( uiSymbol && i == 10 ) ? 1024 : 0;
2168	}
2169
2170	pcCU->setWedgePredTexIntraTabIdxSubParts( uiTabIdx, uiAbsPartIdx, uiDepth );
2171	}
2172	#endif
2173
2174	Void TDecSbac::xParseWedgePredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2175	{
2176	#if LGE_DMM3_SIMP_C0044
2177	xParseWedgePredTexInfo( pcCU, uiAbsPartIdx, uiDepth );
2178	#endif
2179	UInt uiDC1, uiDC2;
2180	xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) );
2181	Int iDC1 = uiDC1;
2182	if ( uiDC1 )
2183	{
2184	UInt uiSign;
2185	m_pcTDecBinIf->decodeBinEP( uiSign );
2186	if ( uiSign )
2187	{
2188	iDC1 = -iDC1;
2189	}
2190	}
2191	xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) );
2192	Int iDC2 = uiDC2;
2193	if ( uiDC2 )
2194	{
2195	UInt uiSign;
2196	m_pcTDecBinIf->decodeBinEP( uiSign );
2197	if ( uiSign )
2198	{
2199	iDC2 = -iDC2;
2200	}
2201	}
2202
2203	pcCU->setWedgePredTexDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth );
2204	pcCU->setWedgePredTexDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth );
2205	}
2206
2207	Void TDecSbac::xParseContourPredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2208	{
2209	UInt uiDC1, uiDC2;
2210	xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) );
2211	Int iDC1 = uiDC1;
2212	if ( uiDC1 )
2213	{
2214	UInt uiSign;
2215	m_pcTDecBinIf->decodeBinEP( uiSign );
2216	if ( uiSign )
2217	{
2218	iDC1 = -iDC1;
2219	}
2220	}
2221	xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) );
2222	Int iDC2 = uiDC2;
2223	if ( uiDC2 )
2224	{
2225	UInt uiSign;
2226	m_pcTDecBinIf->decodeBinEP( uiSign );
2227	if ( uiSign )
2228	{
2229	iDC2 = -iDC2;
2230	}
2231	}
2232
2233	pcCU->setContourPredTexDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth );
2234	pcCU->setContourPredTexDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth );
2235	}
2236	#endif
2237
2238	#if LGE_EDGE_INTRA_A0070
2239	Void TDecSbac::xParseEdgeIntraInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2240	{
2241	UInt uiSymbol = 0;
2242
2243	// 1. Top(0) or Left(1)
2244	UChar ucLeft;
2245	m_pcTDecBinIf->decodeBinEP( uiSymbol );
2246	ucLeft = uiSymbol;
2247
2248	// 2. Start position (lowest bit first)
2249	UChar ucStart = 0;
2250	for( UInt ui = 0; ui < 6 - uiDepth; ui++ )
2251	{
2252	m_pcTDecBinIf->decodeBinEP( uiSymbol );
2253	ucStart \|= (uiSymbol << ui);
2254	}
2255
2256	// 3. Number of edges
2257	UChar ucMax = 0;
2258	for( UInt ui = 0; ui < 7 - uiDepth; ui++ )
2259	{
2260	m_pcTDecBinIf->decodeBinEP( uiSymbol );
2261	ucMax \|= (uiSymbol << ui);
2262	}
2263	ucMax++; // +1
2264
2265	// 4. Edges
2266	UChar* pucSymbolList = (UChar) xMalloc( UChar, 256 LGE_EDGE_INTRA_MAX_EDGE_NUM_PER_4x4 );
2267	UInt uiCtxEdgeIntra = pcCU->getCtxEdgeIntra( uiAbsPartIdx );
2268	for( Int iPtr = 0; iPtr < ucMax; iPtr++ )
2269	{
2270	UChar ucEdge = 0;
2271	UInt uiReorderEdge = 0;
2272	// Left-friendly direction
2273	// 0 ( 0deg) => 0
2274	// 1 ( 45deg) => 10
2275	// 2 ( -45deg) => 110
2276	// 3 ( 90deg) => 1110
2277	// 4 ( -90deg) => 11110
2278	// 5 ( 135deg) => 111110
2279	// 6 (-135deg) => 111111
2280	// Right-friendly direction
2281	// 0 ( 0deg) => 0
2282	// 1 ( -45deg) => 10
2283	// 2 ( 45deg) => 110
2284	// 3 ( -90deg) => 1110
2285	// 4 ( 90deg) => 11110
2286	// 5 (-135deg) => 111110
2287	// 6 ( 135deg) => 111111
2288	// refer to a paper "An efficient chain code with Huffman coding"
2289	for( UInt ui = 0; ui < 6; ui++ )
2290	{
2291	m_pcTDecBinIf->decodeBin( uiSymbol, m_cEdgeIntraSCModel.get( 0, 0, uiCtxEdgeIntra ) );
2292	ucEdge <<= 1;
2293	ucEdge \|= uiSymbol;
2294	if( uiSymbol == 0 )
2295	break;
2296	}
2297
2298	switch( ucEdge )
2299	{
2300	case 0 : // "0"
2301	uiReorderEdge = 0;
2302	break;
2303	case 2 : // "10"
2304	uiReorderEdge = 1;
2305	break;
2306	case 6 : // "110"
2307	uiReorderEdge = 2;
2308	break;
2309	case 14 : // "1110"
2310	uiReorderEdge = 3;
2311	break;
2312	case 30 : // "11110"
2313	uiReorderEdge = 4;
2314	break;
2315	case 62 : // "111110"
2316	uiReorderEdge = 5;
2317	break;
2318	case 63 : // "111111"
2319	uiReorderEdge = 6;
2320	break;
2321	default :
2322	printf("parseIntraEdgeChain: error (unknown code %d)\n",ucEdge);
2323	assert(false);
2324	break;
2325	}
2326	pucSymbolList[iPtr] = uiReorderEdge;
2327	}
2328	/////////////////////
2329	// Edge Reconstruction
2330	Bool* pbRegion = pcCU->getEdgePartition( uiAbsPartIdx );
2331	pcCU->reconPartition( uiAbsPartIdx, uiDepth, ucLeft == 1, ucStart, ucMax, pucSymbolList, pbRegion );
2332	xFree( pucSymbolList );
2333	}
2334	#endif
2335
2336	#if RWTH_SDC_DLT_B0036
2337	Void TDecSbac::parseSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2338	{
2339	assert( pcCU->getSlice()->getSPS()->isDepth() );
2340
2341	UInt uiSymbol = 0;
2342	UInt uiCtxSDCFlag = pcCU->getCtxSDCFlag( uiAbsPartIdx );
2343	m_pcTDecBinIf->decodeBin( uiSymbol, m_cSDCFlagSCModel.get( 0, 0, uiCtxSDCFlag ) );
2344
2345	if( uiSymbol == 1 )
2346	{
2347	pcCU->setPartSizeSubParts(SIZE_2Nx2N, uiAbsPartIdx, uiDepth);
2348
2349	pcCU->setSDCFlagSubParts( true, uiAbsPartIdx, 0, uiDepth);
2350	pcCU->setTrIdxSubParts(0, uiAbsPartIdx, uiDepth);
2351	pcCU->setCbfSubParts(1, 1, 1, uiAbsPartIdx, uiDepth);
2352	}
2353	}
2354
2355	Void TDecSbac::parseSDCPredMode( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2356	{
2357	assert( pcCU->getSlice()->getSPS()->isDepth() );
2358	assert( pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N );
2359
2360	assert( pcCU->getSDCFlag(uiAbsPartIdx) );
2361
2362	UInt uiCtx = 0;
2363
2364	UInt uiMPModeIdx = 0;
2365
2366	for(Int i=0; i<RWTH_SDC_NUM_PRED_MODES-1; i++)
2367	{
2368	UInt uiIsMostProb = 0;
2369	m_pcTDecBinIf->decodeBin( uiIsMostProb, m_cSDCPredModeSCModel.get( 0, i, uiCtx ) );
2370
2371	if ( uiIsMostProb == 1 )
2372	break;
2373
2374	// else: get next most probable pred mode
2375	uiMPModeIdx = (uiMPModeIdx+1)%RWTH_SDC_NUM_PRED_MODES;
2376	}
2377
2378	Int intraPredMode = g_auiSDCPredModes[uiMPModeIdx];
2379
2380	#if HHI_DMM_WEDGE_INTRA
2381	if( intraPredMode == DMM_WEDGE_FULL_IDX ) { xParseWedgeFullInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
2382	if( intraPredMode == DMM_WEDGE_PREDDIR_IDX ) { xParseWedgePredDirInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
2383	#endif
2384
2385	pcCU->setLumaIntraDirSubParts((UChar)intraPredMode, uiAbsPartIdx, uiDepth);
2386	}
2387
2388	Void TDecSbac::parseSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiSegment )
2389	{
2390	assert( pcCU->getSlice()->getSPS()->isDepth() );
2391	assert( pcCU->getSDCFlag(uiAbsPartIdx) );
2392	assert( uiSegment < 2 );
2393
2394	UInt uiResidual = 0;
2395	UInt uiBit = 0;
2396	UInt uiAbsIdx = 0;
2397	UInt uiSign = 0;
2398	Int iIdx = 0;
2399
2400	UInt uiMaxResidualBits = GetBitsPerDepthValue();
2401	assert( uiMaxResidualBits <= g_uiBitDepth );
2402
2403	m_pcTDecBinIf->decodeBin(uiResidual, m_cSDCResidualFlagSCModel.get( 0, uiSegment, 0 ) );
2404
2405	if (uiResidual)
2406	{
2407	// decode residual sign bit
2408	m_pcTDecBinIf->decodeBin(uiSign, m_cSDCResidualSignFlagSCModel.get( 0, uiSegment, 0 ) );
2409
2410	// decode residual magnitude
2411	for (Int i=0; i<uiMaxResidualBits; i++)
2412	{
2413	m_pcTDecBinIf->decodeBin(uiBit, m_cSDCResidualSCModel.get( 0, uiSegment, i ) );
2414	uiAbsIdx \|= uiBit << i;
2415	}
2416
2417	uiAbsIdx += 1;
2418	iIdx =(Int)(uiSign ? -1 : 1)*uiAbsIdx;
2419	}
2420
2421	pcCU->setSDCSegmentDCOffset(iIdx, uiSegment, uiAbsPartIdx);
2422	}
2423	#endif
2424
2425	//! \}

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