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source: 3DVCSoftware/branches/HTM-3.1-MediaTek/source/Lib/TLibDecoder/TDecSbac.cpp @ 346

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Last change on this file since 346 was 56, checked in by hschwarz, 13 years ago
updated trunk (move to HM6.1)
Property svn:eol-style set to `native`
File size: 69.4 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	//! \ingroup TLibDecoder
41	//! \{
42
43	//////////////////////////////////////////////////////////////////////
44	// Construction/Destruction
45	//////////////////////////////////////////////////////////////////////
46
47	TDecSbac::TDecSbac()
48	// new structure here
49	: m_pcBitstream ( 0 )
50	, m_pcTDecBinIf ( NULL )
51	, m_numContextModels ( 0 )
52	, m_cCUSplitFlagSCModel ( 1, 1, NUM_SPLIT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels )
53	, m_cCUSkipFlagSCModel ( 1, 1, NUM_SKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
54	, m_cCUMergeFlagExtSCModel ( 1, 1, NUM_MERGE_FLAG_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
55	, m_cCUMergeIdxExtSCModel ( 1, 1, NUM_MERGE_IDX_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
56	#if HHI_INTER_VIEW_RESIDUAL_PRED
57	, m_cResPredFlagSCModel ( 1, 1, NUM_RES_PRED_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
58	#endif
59	, m_cCUPartSizeSCModel ( 1, 1, NUM_PART_SIZE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
60	, m_cCUPredModeSCModel ( 1, 1, NUM_PRED_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
61	, m_cCUAlfCtrlFlagSCModel ( 1, 1, NUM_ALF_CTRL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
62	, m_cCUIntraPredSCModel ( 1, 1, NUM_ADI_CTX , m_contextModels + m_numContextModels, m_numContextModels)
63	, m_cCUChromaPredSCModel ( 1, 1, NUM_CHROMA_PRED_CTX , m_contextModels + m_numContextModels, m_numContextModels)
64	, m_cCUDeltaQpSCModel ( 1, 1, NUM_DELTA_QP_CTX , m_contextModels + m_numContextModels, m_numContextModels)
65	, m_cCUInterDirSCModel ( 1, 1, NUM_INTER_DIR_CTX , m_contextModels + m_numContextModels, m_numContextModels)
66	, m_cCURefPicSCModel ( 1, 1, NUM_REF_NO_CTX , m_contextModels + m_numContextModels, m_numContextModels)
67	, m_cCUMvdSCModel ( 1, 1, NUM_MV_RES_CTX , m_contextModels + m_numContextModels, m_numContextModels)
68	, m_cCUQtCbfSCModel ( 1, 2, NUM_QT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels)
69	, m_cCUTransSubdivFlagSCModel ( 1, 1, NUM_TRANS_SUBDIV_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
70	, m_cCUQtRootCbfSCModel ( 1, 1, NUM_QT_ROOT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels)
71	, m_cCUSigCoeffGroupSCModel ( 1, 2, NUM_SIG_CG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
72	, m_cCUSigSCModel ( 1, 1, NUM_SIG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
73	, m_cCuCtxLastX ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
74	, m_cCuCtxLastY ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
75	, m_cCUOneSCModel ( 1, 1, NUM_ONE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
76	, m_cCUAbsSCModel ( 1, 1, NUM_ABS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
77	, m_cMVPIdxSCModel ( 1, 1, NUM_MVP_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
78	, m_cALFFlagSCModel ( 1, 1, NUM_ALF_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
79	, m_cALFUvlcSCModel ( 1, 1, NUM_ALF_UVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
80	, m_cALFSvlcSCModel ( 1, 1, NUM_ALF_SVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
81	#if AMP_CTX
82	, m_cCUAMPSCModel ( 1, 1, NUM_CU_AMP_CTX , m_contextModels + m_numContextModels, m_numContextModels)
83	#else
84	, m_cCUXPosiSCModel ( 1, 1, NUM_CU_X_POS_CTX , m_contextModels + m_numContextModels, m_numContextModels)
85	, m_cCUYPosiSCModel ( 1, 1, NUM_CU_Y_POS_CTX , m_contextModels + m_numContextModels, m_numContextModels)
86	#endif
87	, m_cSaoFlagSCModel ( 1, 1, NUM_SAO_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
88	, m_cSaoUvlcSCModel ( 1, 1, NUM_SAO_UVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
89	, m_cSaoSvlcSCModel ( 1, 1, NUM_SAO_SVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
90	#if SAO_UNIT_INTERLEAVING
91	, m_cSaoMergeLeftSCModel ( 1, 1, NUM_SAO_MERGE_LEFT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
92	, m_cSaoMergeUpSCModel ( 1, 1, NUM_SAO_MERGE_UP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
93	, m_cSaoTypeIdxSCModel ( 1, 1, NUM_SAO_TYPE_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
94	#endif
95	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
96	, m_cDmmFlagSCModel ( 1, 1, NUM_DMM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
97	, m_cDmmModeSCModel ( 1, 1, NUM_DMM_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
98	, m_cDmmDataSCModel ( 1, 1, NUM_DMM_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
99	#endif
100	{
101	assert( m_numContextModels <= MAX_NUM_CTX_MOD );
102	m_iSliceGranularity = 0;
103	}
104
105	TDecSbac::~TDecSbac()
106	{
107	}
108
109	// ====================================================================================================================
110	// Public member functions
111	// ====================================================================================================================
112
113	#if CABAC_INIT_FLAG
114	Void TDecSbac::resetEntropy(TComSlice* pSlice)
115	{
116	SliceType sliceType = pSlice->getSliceType();
117	Int qp = pSlice->getSliceQp();
118
119	if (pSlice->getPPS()->getCabacInitPresentFlag() && pSlice->getCabacInitFlag())
120	{
121	switch (sliceType)
122	{
123	case P_SLICE: // change initialization table to B_SLICE initialization
124	sliceType = B_SLICE;
125	break;
126	case B_SLICE: // change initialization table to P_SLICE initialization
127	sliceType = P_SLICE;
128	break;
129	default : // should not occur
130	assert(0);
131	}
132	}
133
134	#else
135	Void TDecSbac::resetEntropywithQPandInitIDC (Int qp, Int iID)
136	{
137	SliceType sliceType = (SliceType)iID;
138	#endif
139
140	m_cCUSplitFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SPLIT_FLAG );
141	m_cCUSkipFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SKIP_FLAG );
142	m_cCUMergeFlagExtSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT );
143	m_cCUMergeIdxExtSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MERGE_IDX_EXT );
144	#if HHI_INTER_VIEW_RESIDUAL_PRED
145	m_cResPredFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_RES_PRED_FLAG );
146	#endif
147	m_cCUAlfCtrlFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_CTRL_FLAG );
148	m_cCUPartSizeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_PART_SIZE );
149	#if AMP_CTX
150	m_cCUAMPSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CU_AMP_POS );
151	#else
152	m_cCUXPosiSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CU_X_POS );
153	m_cCUYPosiSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CU_Y_POS );
154	#endif
155	m_cCUPredModeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_PRED_MODE );
156	m_cCUIntraPredSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_INTRA_PRED_MODE );
157	m_cCUChromaPredSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE );
158	m_cCUInterDirSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_INTER_DIR );
159	m_cCUMvdSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MVD );
160	m_cCURefPicSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_REF_PIC );
161	m_cCUDeltaQpSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DQP );
162	m_cCUQtCbfSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_QT_CBF );
163	m_cCUQtRootCbfSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_QT_ROOT_CBF );
164	m_cCUSigCoeffGroupSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SIG_CG_FLAG );
165	m_cCUSigSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SIG_FLAG );
166	m_cCuCtxLastX.initBuffer ( sliceType, qp, (UChar*)INIT_LAST );
167	m_cCuCtxLastY.initBuffer ( sliceType, qp, (UChar*)INIT_LAST );
168	m_cCUOneSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ONE_FLAG );
169	m_cCUAbsSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ABS_FLAG );
170	m_cMVPIdxSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MVP_IDX );
171	m_cALFFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_FLAG );
172	m_cALFUvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_UVLC );
173	m_cALFSvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_SVLC );
174	m_cSaoFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_FLAG );
175	m_cSaoUvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_UVLC );
176	m_cSaoSvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_SVLC );
177	#if SAO_UNIT_INTERLEAVING
178	m_cSaoMergeLeftSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG );
179	m_cSaoMergeUpSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_MERGE_UP_FLAG );
180	m_cSaoTypeIdxSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_TYPE_IDX );
181	#endif
182
183	m_cCUTransSubdivFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
184	m_uiLastDQpNonZero = 0;
185	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
186	m_cDmmFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DMM_FLAG );
187	m_cDmmModeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DMM_MODE );
188	m_cDmmDataSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DMM_DATA );
189	#endif
190
191	// new structure
192	m_uiLastQp = qp;
193
194	m_pcTDecBinIf->start();
195	}
196
197	/** The function does the following: Read out terminate bit. Flush CABAC. Byte-align for next tile.
198	* Intialize CABAC states. Start CABAC.
199	*/
200	Void TDecSbac::updateContextTables( SliceType eSliceType, Int iQp )
201	{
202	UInt uiBit;
203	m_pcTDecBinIf->decodeBinTrm(uiBit);
204	m_pcTDecBinIf->finish();
205	#if !OL_FLUSH_ALIGN
206	// Account for misaligned CABAC.
207	Int iCABACReadAhead = m_pcTDecBinIf->getBitsReadAhead();
208	iCABACReadAhead--;
209	Int iStreamBits = 8-m_pcBitstream->getNumBitsUntilByteAligned();
210	if (iCABACReadAhead >= iStreamBits)
211	{
212	// Misaligned CABAC has read into the 1st byte of the next tile.
213	// Back up a byte prior to alignment.
214	m_pcBitstream->backupByte();
215	}
216	#endif
217	m_pcBitstream->readOutTrailingBits();
218	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
219	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
220	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT );
221	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT );
222	#if HHI_INTER_VIEW_RESIDUAL_PRED
223	m_cResPredFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_RES_PRED_FLAG );
224	#endif
225	m_cCUAlfCtrlFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_CTRL_FLAG );
226	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
227	#if AMP_CTX
228	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
229	#else
230	m_cCUXPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_X_POS );
231	m_cCUYPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_Y_POS );
232	#endif
233	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
234	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
235	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
236	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
237	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
238	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
239	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
240	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
241	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
242	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
243	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
244	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
245	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
246	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
247	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
248	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
249	m_cALFFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_FLAG );
250	m_cALFUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_UVLC );
251	m_cALFSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_SVLC );
252	m_cSaoFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_FLAG );
253	m_cSaoUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_UVLC );
254	m_cSaoSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_SVLC );
255	#if SAO_UNIT_INTERLEAVING
256	m_cSaoMergeLeftSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG );
257	m_cSaoMergeUpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_UP_FLAG );
258	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
259	#endif
260	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
261	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
262	m_cDmmFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_FLAG );
263	m_cDmmModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_MODE );
264	m_cDmmDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_DATA );
265	#endif
266
267	m_pcTDecBinIf->start();
268	}
269
270	Void TDecSbac::readTileMarker( UInt& uiTileIdx, UInt uiBitsUsed )
271	{
272	UInt uiSymbol;
273	uiTileIdx = 0;
274	for (Int iShift=uiBitsUsed-1; iShift>=0; iShift--)
275	{
276	m_pcTDecBinIf->decodeBinEP ( uiSymbol );
277	if (uiSymbol)
278	{
279	uiTileIdx \|= (1<<iShift);
280	}
281	}
282	}
283
284	Void TDecSbac::parseTerminatingBit( UInt& ruiBit )
285	{
286	m_pcTDecBinIf->decodeBinTrm( ruiBit );
287	}
288
289
290	Void TDecSbac::xReadUnaryMaxSymbol( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol )
291	{
292	if (uiMaxSymbol == 0)
293	{
294	ruiSymbol = 0;
295	return;
296	}
297
298	m_pcTDecBinIf->decodeBin( ruiSymbol, pcSCModel[0] );
299
300	if( ruiSymbol == 0 \|\| uiMaxSymbol == 1 )
301	{
302	return;
303	}
304
305	UInt uiSymbol = 0;
306	UInt uiCont;
307
308	do
309	{
310	m_pcTDecBinIf->decodeBin( uiCont, pcSCModel[ iOffset ] );
311	uiSymbol++;
312	}
313	while( uiCont && ( uiSymbol < uiMaxSymbol - 1 ) );
314
315	if( uiCont && ( uiSymbol == uiMaxSymbol - 1 ) )
316	{
317	uiSymbol++;
318	}
319
320	ruiSymbol = uiSymbol;
321	}
322
323	Void TDecSbac::xReadEpExGolomb( UInt& ruiSymbol, UInt uiCount )
324	{
325	UInt uiSymbol = 0;
326	UInt uiBit = 1;
327
328	while( uiBit )
329	{
330	m_pcTDecBinIf->decodeBinEP( uiBit );
331	uiSymbol += uiBit << uiCount++;
332	}
333
334	if ( --uiCount )
335	{
336	UInt bins;
337	m_pcTDecBinIf->decodeBinsEP( bins, uiCount );
338	uiSymbol += bins;
339	}
340
341	ruiSymbol = uiSymbol;
342	}
343
344	Void TDecSbac::xReadUnarySymbol( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset )
345	{
346	m_pcTDecBinIf->decodeBin( ruiSymbol, pcSCModel[0] );
347
348	if( !ruiSymbol )
349	{
350	return;
351	}
352
353	UInt uiSymbol = 0;
354	UInt uiCont;
355
356	do
357	{
358	m_pcTDecBinIf->decodeBin( uiCont, pcSCModel[ iOffset ] );
359	uiSymbol++;
360	}
361	while( uiCont );
362
363	ruiSymbol = uiSymbol;
364	}
365
366	/** Parsing of coeff_abs_level_minus3
367	* \param ruiSymbol reference to coeff_abs_level_minus3
368	* \param ruiGoRiceParam reference to Rice parameter
369	* \returns Void
370	*/
371	Void TDecSbac::xReadGoRiceExGolomb( UInt &ruiSymbol, UInt &ruiGoRiceParam )
372	{
373	Bool bExGolomb = false;
374	UInt uiCodeWord = 0;
375	UInt uiQuotient = 0;
376	UInt uiRemainder = 0;
377	UInt uiMaxVlc = g_auiGoRiceRange[ ruiGoRiceParam ];
378	UInt uiMaxPreLen = g_auiGoRicePrefixLen[ ruiGoRiceParam ];
379
380	do
381	{
382	uiQuotient++;
383	m_pcTDecBinIf->decodeBinEP( uiCodeWord );
384	}
385	while( uiCodeWord && uiQuotient < uiMaxPreLen );
386
387	uiCodeWord = 1 - uiCodeWord;
388	uiQuotient -= uiCodeWord;
389
390	if ( ruiGoRiceParam > 0 )
391	{
392	m_pcTDecBinIf->decodeBinsEP( uiRemainder, ruiGoRiceParam );
393	}
394
395	ruiSymbol = uiRemainder + ( uiQuotient << ruiGoRiceParam );
396	bExGolomb = ruiSymbol == ( uiMaxVlc + 1 );
397
398	if( bExGolomb )
399	{
400	xReadEpExGolomb( uiCodeWord, 0 );
401	ruiSymbol += uiCodeWord;
402	}
403
404	#if EIGHT_BITS_RICE_CODE
405	ruiGoRiceParam = g_aauiGoRiceUpdate[ ruiGoRiceParam ][ min<UInt>( ruiSymbol, 23 ) ];
406	#else
407	ruiGoRiceParam = g_aauiGoRiceUpdate[ ruiGoRiceParam ][ min<UInt>( ruiSymbol, 15 ) ];
408	#endif
409
410	return;
411	}
412
413
414	/** Parse I_PCM information.
415	* \param pcCU
416	* \param uiAbsPartIdx
417	* \param uiDepth
418	* \returns Void
419	*
420	* If I_PCM flag indicates that the CU is I_PCM, parse its PCM alignment bits and codes.
421	*/
422	Void TDecSbac::parseIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
423	{
424	UInt uiSymbol;
425	#if BURST_IPCM
426	Int numSubseqIPCM = 0;
427	Bool readPCMSampleFlag = false;
428
429	if(pcCU->getNumSucIPCM() > 0)
430	{
431	readPCMSampleFlag = true;
432	}
433	else
434	{
435	m_pcTDecBinIf->decodeBinTrm(uiSymbol);
436
437	if (uiSymbol)
438	{
439	readPCMSampleFlag = true;
440	m_pcTDecBinIf->decodeNumSubseqIPCM(numSubseqIPCM);
441	pcCU->setNumSucIPCM(numSubseqIPCM + 1);
442	m_pcTDecBinIf->decodePCMAlignBits();
443	}
444	}
445	#else
446	m_pcTDecBinIf->decodeBinTrm(uiSymbol);
447	#endif
448
449	#if BURST_IPCM
450	if (readPCMSampleFlag == true)
451	#else
452	if (uiSymbol)
453	#endif
454	{
455	Bool bIpcmFlag = true;
456
457	#if !BURST_IPCM
458	m_pcTDecBinIf->decodePCMAlignBits();
459	#endif
460
461	pcCU->setPartSizeSubParts ( SIZE_2Nx2N, uiAbsPartIdx, uiDepth );
462	pcCU->setSizeSubParts ( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth );
463	pcCU->setIPCMFlagSubParts ( bIpcmFlag, uiAbsPartIdx, uiDepth );
464
465	UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight();
466	UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx;
467	UInt uiChromaOffset = uiLumaOffset>>2;
468
469	Pel* piPCMSample;
470	UInt uiWidth;
471	UInt uiHeight;
472	UInt uiSampleBits;
473	UInt uiX, uiY;
474
475	piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset;
476	uiWidth = pcCU->getWidth(uiAbsPartIdx);
477	uiHeight = pcCU->getHeight(uiAbsPartIdx);
478	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma();
479
480	for(uiY = 0; uiY < uiHeight; uiY++)
481	{
482	for(uiX = 0; uiX < uiWidth; uiX++)
483	{
484	UInt uiSample;
485	m_pcTDecBinIf->xReadPCMCode(uiSampleBits, uiSample);
486	piPCMSample[uiX] = uiSample;
487	}
488	piPCMSample += uiWidth;
489	}
490
491	piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset;
492	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
493	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
494	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
495
496	for(uiY = 0; uiY < uiHeight; uiY++)
497	{
498	for(uiX = 0; uiX < uiWidth; uiX++)
499	{
500	UInt uiSample;
501	m_pcTDecBinIf->xReadPCMCode(uiSampleBits, uiSample);
502	piPCMSample[uiX] = uiSample;
503	}
504	piPCMSample += uiWidth;
505	}
506
507	piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset;
508	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
509	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
510	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
511
512	for(uiY = 0; uiY < uiHeight; uiY++)
513	{
514	for(uiX = 0; uiX < uiWidth; uiX++)
515	{
516	UInt uiSample;
517	m_pcTDecBinIf->xReadPCMCode(uiSampleBits, uiSample);
518	piPCMSample[uiX] = uiSample;
519	}
520	piPCMSample += uiWidth;
521	}
522
523	#if BURST_IPCM
524	pcCU->setNumSucIPCM( pcCU->getNumSucIPCM() - 1);
525	if(pcCU->getNumSucIPCM() == 0)
526	{
527	m_pcTDecBinIf->resetBac();
528	}
529	#else
530	m_pcTDecBinIf->resetBac();
531	#endif
532	}
533	}
534
535	/** parse skip flag
536	* \param pcCU
537	* \param uiAbsPartIdx
538	* \param uiDepth
539	* \returns Void
540	*/
541	Void TDecSbac::parseSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
542	{
543	if( pcCU->getSlice()->isIntra() )
544	{
545	return;
546	}
547
548	UInt uiSymbol = 0;
549	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx );
550	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
551	DTRACE_CABAC_VL( g_nSymbolCounter++ );
552	DTRACE_CABAC_T( "\tSkipFlag" );
553	DTRACE_CABAC_T( "\tuiCtxSkip: ");
554	DTRACE_CABAC_V( uiCtxSkip );
555	DTRACE_CABAC_T( "\tuiSymbol: ");
556	DTRACE_CABAC_V( uiSymbol );
557	DTRACE_CABAC_T( "\n");
558
559	if( uiSymbol )
560	{
561	pcCU->setPredModeSubParts( MODE_SKIP, uiAbsPartIdx, uiDepth );
562	pcCU->setPartSizeSubParts( SIZE_2Nx2N, uiAbsPartIdx, uiDepth );
563	pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth );
564	pcCU->setMergeFlagSubParts( true , uiAbsPartIdx, 0, uiDepth );
565	}
566	}
567
568	/** parse merge flag
569	* \param pcCU
570	* \param uiAbsPartIdx
571	* \param uiDepth
572	* \param uiPUIdx
573	* \returns Void
574	*/
575	Void TDecSbac::parseMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx )
576	{
577	UInt uiSymbol;
578	m_pcTDecBinIf->decodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
579	pcCU->setMergeFlagSubParts( uiSymbol ? true : false, uiAbsPartIdx, uiPUIdx, uiDepth );
580
581	DTRACE_CABAC_VL( g_nSymbolCounter++ );
582	DTRACE_CABAC_T( "\tMergeFlag: " );
583	DTRACE_CABAC_V( uiSymbol );
584	DTRACE_CABAC_T( "\tAddress: " );
585	DTRACE_CABAC_V( pcCU->getAddr() );
586	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
587	DTRACE_CABAC_V( uiAbsPartIdx );
588	DTRACE_CABAC_T( "\n" );
589	}
590
591	Void TDecSbac::parseMergeIndex ( TComDataCU* pcCU, UInt& ruiMergeIndex, UInt uiAbsPartIdx, UInt uiDepth )
592	{
593	UInt uiNumCand = MRG_MAX_NUM_CANDS;
594	#if !MRG_IDX_CTX_RED
595	UInt auiCtx[4] = { 0, 1, 2, 3 };
596	#endif
597	UInt uiUnaryIdx = 0;
598	uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
599	#if HHI_MPI
600	const Bool bMVIAvailable = pcCU->getSlice()->getSPS()->getUseMVI() && pcCU->getSlice()->getSliceType() != I_SLICE;
601	const UInt uiMviMergePos = bMVIAvailable ? HHI_MPI_MERGE_POS : uiNumCand;
602	#endif
603	if ( uiNumCand > 1 )
604	{
605	for( ; uiUnaryIdx < uiNumCand - 1; ++uiUnaryIdx )
606	{
607	UInt uiSymbol = 0;
608	#if MRG_IDX_CTX_RED
609	if ( uiUnaryIdx==0 )
610	{
611	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
612	}
613	else
614	{
615	m_pcTDecBinIf->decodeBinEP( uiSymbol );
616	}
617	#else
618	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, auiCtx[uiUnaryIdx] ) );
619	#endif
620	if( uiSymbol == 0 )
621	{
622	break;
623	}
624	}
625	}
626	ruiMergeIndex = uiUnaryIdx;
627
628	DTRACE_CABAC_VL( g_nSymbolCounter++ )
629	DTRACE_CABAC_T( "\tparseMergeIndex()" )
630	DTRACE_CABAC_T( "\tuiMRGIdx= " )
631	DTRACE_CABAC_V( ruiMergeIndex )
632	DTRACE_CABAC_T( "\n" )
633	#if HHI_MPI
634	if( ruiMergeIndex > uiMviMergePos )
635	{
636	assert( bMVIAvailable );
637	ruiMergeIndex--;
638	}
639	else if( ruiMergeIndex == uiMviMergePos )
640	{
641	assert( bMVIAvailable );
642	pcCU->setTextureModeDepthSubParts( uiDepth, uiAbsPartIdx, uiDepth );
643	}
644	#endif
645	}
646
647	#if HHI_INTER_VIEW_RESIDUAL_PRED
648	Void
649	TDecSbac::parseResPredFlag( TComDataCU* pcCU, Bool& rbResPredFlag, UInt uiAbsPartIdx, UInt uiDepth )
650	{
651	UInt uiCtx = pcCU->getCtxResPredFlag( uiAbsPartIdx );
652	UInt uiSymbol = 0;
653	m_pcTDecBinIf->decodeBin( uiSymbol, m_cResPredFlagSCModel.get( 0, 0, uiCtx ) );
654	rbResPredFlag = ( uiSymbol != 0 );
655	}
656	#endif
657
658	#if HHI_INTER_VIEW_MOTION_PRED
659	Void TDecSbac::parseMVPIdx ( Int& riMVPIdx, Int iNumAMVPCands )
660	{
661	UInt uiSymbol;
662	xReadUnaryMaxSymbol(uiSymbol, m_cMVPIdxSCModel.get(0), 1, iNumAMVPCands-1);
663	riMVPIdx = uiSymbol;
664	}
665	#else
666	Void TDecSbac::parseMVPIdx ( Int& riMVPIdx )
667	{
668	UInt uiSymbol;
669	xReadUnaryMaxSymbol(uiSymbol, m_cMVPIdxSCModel.get(0), 1, AMVP_MAX_NUM_CANDS-1);
670	riMVPIdx = uiSymbol;
671	}
672	#endif
673
674	Void TDecSbac::parseSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
675	{
676	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
677	{
678	pcCU->setDepthSubParts( uiDepth, uiAbsPartIdx );
679	return;
680	}
681
682	UInt uiSymbol;
683	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSplitFlagSCModel.get( 0, 0, pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth ) ) );
684	DTRACE_CABAC_VL( g_nSymbolCounter++ )
685	DTRACE_CABAC_T( "\tSplitFlag\n" )
686	pcCU->setDepthSubParts( uiDepth + uiSymbol, uiAbsPartIdx );
687
688	return;
689	}
690
691	/** parse partition size
692	* \param pcCU
693	* \param uiAbsPartIdx
694	* \param uiDepth
695	* \returns Void
696	*/
697	Void TDecSbac::parsePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
698	{
699	UInt uiSymbol, uiMode = 0;
700	PartSize eMode;
701
702	if ( pcCU->isIntra( uiAbsPartIdx ) )
703	{
704	uiSymbol = 1;
705	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
706	{
707	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, 0) );
708	}
709	eMode = uiSymbol ? SIZE_2Nx2N : SIZE_NxN;
710	UInt uiTrLevel = 0;
711	UInt uiWidthInBit = g_aucConvertToBit[pcCU->getWidth(uiAbsPartIdx)]+2;
712	UInt uiTrSizeInBit = g_aucConvertToBit[pcCU->getSlice()->getSPS()->getMaxTrSize()]+2;
713	uiTrLevel = uiWidthInBit >= uiTrSizeInBit ? uiWidthInBit - uiTrSizeInBit : 0;
714	if( eMode == SIZE_NxN )
715	{
716	pcCU->setTrIdxSubParts( 1+uiTrLevel, uiAbsPartIdx, uiDepth );
717	}
718	else
719	{
720	pcCU->setTrIdxSubParts( uiTrLevel, uiAbsPartIdx, uiDepth );
721	}
722	}
723	else
724	{
725	UInt uiMaxNumBits = 2;
726	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getSlice()->getSPS()->getDisInter4x4() && (g_uiMaxCUWidth>>uiDepth) == 8 && (g_uiMaxCUHeight>>uiDepth) == 8 ) )
727	{
728	uiMaxNumBits ++;
729	}
730	for ( UInt ui = 0; ui < uiMaxNumBits; ui++ )
731	{
732	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, ui) );
733	if ( uiSymbol )
734	{
735	break;
736	}
737	uiMode++;
738	}
739	eMode = (PartSize) uiMode;
740	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
741	{
742	if (eMode == SIZE_2NxN)
743	{
744	#if AMP_CTX
745	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUAMPSCModel.get( 0, 0, 0 ));
746	#else
747	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUYPosiSCModel.get( 0, 0, 0 ));
748	#endif
749	if (uiSymbol == 0)
750	{
751	#if AMP_CTX
752	m_pcTDecBinIf->decodeBinEP(uiSymbol);
753	#else
754	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUYPosiSCModel.get( 0, 0, 1 ));
755	#endif
756	eMode = (uiSymbol == 0? SIZE_2NxnU : SIZE_2NxnD);
757	}
758	}
759	else if (eMode == SIZE_Nx2N)
760	{
761	#if AMP_CTX
762	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUAMPSCModel.get( 0, 0, 0 ));
763	#else
764	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUXPosiSCModel.get( 0, 0, 0 ));
765	#endif
766	if (uiSymbol == 0)
767	{
768	#if AMP_CTX
769	m_pcTDecBinIf->decodeBinEP(uiSymbol);
770	#else
771	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUXPosiSCModel.get( 0, 0, 1 ));
772	#endif
773	eMode = (uiSymbol == 0? SIZE_nLx2N : SIZE_nRx2N);
774	}
775	}
776	}
777	}
778	pcCU->setPartSizeSubParts( eMode, uiAbsPartIdx, uiDepth );
779	pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth );
780	}
781
782	/** parse prediction mode
783	* \param pcCU
784	* \param uiAbsPartIdx
785	* \param uiDepth
786	* \returns Void
787	*/
788	Void TDecSbac::parsePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
789	{
790	if( pcCU->getSlice()->isIntra() )
791	{
792	pcCU->setPredModeSubParts( MODE_INTRA, uiAbsPartIdx, uiDepth );
793	return;
794	}
795
796	UInt uiSymbol;
797	Int iPredMode = MODE_INTER;
798	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
799	iPredMode += uiSymbol;
800	pcCU->setPredModeSubParts( (PredMode)iPredMode, uiAbsPartIdx, uiDepth );
801	}
802
803	Void TDecSbac::parseIntraDirLumaAng ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
804	{
805	UInt uiSymbol;
806	Int intraPredMode;
807
808	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
809	UInt uiFlag = 0;
810	if( pcCU->getSlice()->getSPS()->getUseDMM() && (g_uiMaxCUWidth>>uiDepth) <= DMM_WEDGEMODEL_MAX_SIZE )
811	{
812	m_pcTDecBinIf->decodeBin( uiFlag, m_cDmmFlagSCModel.get(0, 0, 0) );
813	}
814	if( uiFlag )
815	{
816	UInt uiDMMode;
817
818	#if HHI_DMM_WEDGE_INTRA && HHI_DMM_PRED_TEX
819	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode = uiSymbol;
820	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode \|= uiSymbol << 1;
821	if ( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && g_uiMaxCUWidth>>uiDepth > 4 )
822	{
823	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode \|= uiSymbol << 2;
824	}
825	#else
826	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode = uiSymbol;
827	if ( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && g_uiMaxCUWidth>>uiDepth > 4 )
828	{
829	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode \|= uiSymbol << 1;
830	}
831	#endif
832	intraPredMode = uiDMMode + NUM_INTRA_MODE;
833
834	#if HHI_DMM_WEDGE_INTRA
835	if( intraPredMode == DMM_WEDGE_FULL_IDX ) { xParseWedgeFullInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
836	if( intraPredMode == DMM_WEDGE_FULL_D_IDX ) { xParseWedgeFullDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
837	if( intraPredMode == DMM_WEDGE_PREDDIR_IDX ) { xParseWedgePredDirInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
838	if( intraPredMode == DMM_WEDGE_PREDDIR_D_IDX ) { xParseWedgePredDirDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
839	#endif
840	#if HHI_DMM_PRED_TEX
841	if( intraPredMode == DMM_WEDGE_PREDTEX_D_IDX ) { xParseWedgePredTexDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
842	if( intraPredMode == DMM_CONTOUR_PREDTEX_D_IDX ) { xParseContourPredTexDeltaInfo( pcCU, uiAbsPartIdx, uiDepth ); }
843	#endif
844	}
845	else
846	{
847	#endif
848	#if !LOGI_INTRA_NAME_3MPM
849	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
850	#endif
851
852	#if LOGI_INTRA_NAME_3MPM
853	Int uiPreds[3] = {-1, -1, -1};
854	#else
855	Int uiPreds[2] = {-1, -1};
856	#endif
857	Int uiPredNum = pcCU->getIntraDirLumaPredictor(uiAbsPartIdx, uiPreds);
858
859	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 0) );
860
861	if ( uiSymbol )
862	{
863	m_pcTDecBinIf->decodeBinEP( uiSymbol );
864	#if LOGI_INTRA_NAME_3MPM
865	if (uiSymbol)
866	{
867	m_pcTDecBinIf->decodeBinEP( uiSymbol );
868	uiSymbol++;
869	}
870	#endif
871	intraPredMode = uiPreds[uiSymbol];
872	}
873	else
874	{
875	intraPredMode = 0;
876
877	#if LOGI_INTRA_NAME_3MPM
878
879	m_pcTDecBinIf->decodeBinsEP( uiSymbol, 5 );
880	intraPredMode = uiSymbol;
881
882	//postponed sorting of MPMs (only in remaining branch)
883	if (uiPreds[0] > uiPreds[1])
884	{
885	std::swap(uiPreds[0], uiPreds[1]);
886	}
887	if (uiPreds[0] > uiPreds[2])
888	{
889	std::swap(uiPreds[0], uiPreds[2]);
890	}
891	if (uiPreds[1] > uiPreds[2])
892	{
893	std::swap(uiPreds[1], uiPreds[2]);
894	}
895	#else
896	m_pcTDecBinIf->decodeBinsEP( uiSymbol, g_aucIntraModeBitsAng[iIntraIdx] - 1 );
897	intraPredMode = uiSymbol;
898
899	if ( intraPredMode == 31 )
900	{
901	m_pcTDecBinIf->decodeBinEP( uiSymbol );
902	intraPredMode += uiSymbol;
903	}
904	#endif
905	for ( Int i = 0; i < uiPredNum; i++ )
906	{
907	intraPredMode += ( intraPredMode >= uiPreds[i] );
908	}
909	}
910	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
911	}
912	#endif
913
914	pcCU->setLumaIntraDirSubParts( (UChar)intraPredMode, uiAbsPartIdx, uiDepth );
915	}
916
917	Void TDecSbac::parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
918	{
919	UInt uiSymbol;
920
921	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
922
923	if( uiSymbol == 0 )
924	{
925	uiSymbol = DM_CHROMA_IDX;
926	}
927	else
928	{
929	if( pcCU->getSlice()->getSPS()->getUseLMChroma() )
930	{
931	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUChromaPredSCModel.get( 0, 0, 1 ) );
932	}
933	else
934	{
935	uiSymbol = 1;
936	}
937
938	if( uiSymbol == 0 )
939	{
940	uiSymbol = LM_CHROMA_IDX;
941	}
942	else
943	{
944	UInt uiIPredMode;
945	#if CHROMA_MODE_CODING
946	m_pcTDecBinIf->decodeBinsEP( uiIPredMode, 2 );
947	#else
948	xReadUnaryMaxSymbol( uiIPredMode, m_cCUChromaPredSCModel.get( 0, 0 ) + 1, 0, 3 );
949	#endif
950	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
951	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
952	uiSymbol = uiAllowedChromaDir[ uiIPredMode ];
953	}
954	}
955	pcCU->setChromIntraDirSubParts( uiSymbol, uiAbsPartIdx, uiDepth );
956	return;
957	}
958
959	Void TDecSbac::parseInterDir( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx, UInt uiDepth )
960	{
961	UInt uiSymbol;
962	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
963	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
964	m_pcTDecBinIf->decodeBin( uiSymbol, *( pCtx + uiCtx ) );
965
966	if( uiSymbol )
967	{
968	uiSymbol = 2;
969	}
970
971	uiSymbol++;
972	ruiInterDir = uiSymbol;
973	return;
974	}
975
976	Void TDecSbac::parseRefFrmIdx( TComDataCU* pcCU, Int& riRefFrmIdx, UInt uiAbsPartIdx, UInt uiDepth, RefPicList eRefList )
977	{
978	UInt uiSymbol;
979
980	if(pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C ) > 0 && eRefList==REF_PIC_LIST_C)
981	{
982	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
983	m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx );
984
985	if( uiSymbol )
986	{
987	xReadUnaryMaxSymbol( uiSymbol, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_C )-2 );
988	uiSymbol++;
989	}
990	riRefFrmIdx = uiSymbol;
991	}
992	else
993	{
994	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
995	m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx );
996
997	if( uiSymbol )
998	{
999	xReadUnaryMaxSymbol( uiSymbol, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( eRefList )-2 );
1000	uiSymbol++;
1001	}
1002	riRefFrmIdx = uiSymbol;
1003	}
1004
1005	return;
1006	}
1007
1008	Void TDecSbac::parseMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList )
1009	{
1010	UInt uiSymbol;
1011	UInt uiHorAbs;
1012	UInt uiVerAbs;
1013	UInt uiHorSign = 0;
1014	UInt uiVerSign = 0;
1015	ContextModel *pCtx = m_cCUMvdSCModel.get( 0 );
1016
1017	#if H0111_MVD_L1_ZERO
1018	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1019	{
1020	uiHorAbs=0;
1021	uiVerAbs=0;
1022	}
1023	else
1024	{
1025	#endif
1026
1027	m_pcTDecBinIf->decodeBin( uiHorAbs, *pCtx );
1028	m_pcTDecBinIf->decodeBin( uiVerAbs, *pCtx );
1029
1030	const Bool bHorAbsGr0 = uiHorAbs != 0;
1031	const Bool bVerAbsGr0 = uiVerAbs != 0;
1032	pCtx++;
1033
1034	if( bHorAbsGr0 )
1035	{
1036	m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx );
1037	uiHorAbs += uiSymbol;
1038	}
1039
1040	if( bVerAbsGr0 )
1041	{
1042	m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx );
1043	uiVerAbs += uiSymbol;
1044	}
1045
1046	if( bHorAbsGr0 )
1047	{
1048	if( 2 == uiHorAbs )
1049	{
1050	xReadEpExGolomb( uiSymbol, 1 );
1051	uiHorAbs += uiSymbol;
1052	}
1053
1054	m_pcTDecBinIf->decodeBinEP( uiHorSign );
1055	}
1056
1057	if( bVerAbsGr0 )
1058	{
1059	if( 2 == uiVerAbs )
1060	{
1061	xReadEpExGolomb( uiSymbol, 1 );
1062	uiVerAbs += uiSymbol;
1063	}
1064
1065	m_pcTDecBinIf->decodeBinEP( uiVerSign );
1066	}
1067
1068	#if H0111_MVD_L1_ZERO
1069	}
1070	#endif
1071
1072	const TComMv cMv( uiHorSign ? -Int( uiHorAbs ): uiHorAbs, uiVerSign ? -Int( uiVerAbs ) : uiVerAbs );
1073	pcCU->getCUMvField( eRefList )->setAllMvd( cMv, pcCU->getPartitionSize( uiAbsPartIdx ), uiAbsPartIdx, uiDepth, uiPartIdx );
1074	return;
1075	}
1076
1077
1078	Void TDecSbac::parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize )
1079	{
1080	m_pcTDecBinIf->decodeBin( ruiSubdivFlag, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiLog2TransformBlockSize ) );
1081	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1082	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
1083	DTRACE_CABAC_T( "\tsymbol=" )
1084	DTRACE_CABAC_V( ruiSubdivFlag )
1085	DTRACE_CABAC_T( "\tctx=" )
1086	DTRACE_CABAC_V( uiLog2TransformBlockSize )
1087	DTRACE_CABAC_T( "\n" )
1088	}
1089
1090	Void TDecSbac::parseQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt& uiQtRootCbf )
1091	{
1092	UInt uiSymbol;
1093	const UInt uiCtx = 0;
1094	m_pcTDecBinIf->decodeBin( uiSymbol , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1095	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1096	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1097	DTRACE_CABAC_T( "\tsymbol=" )
1098	DTRACE_CABAC_V( uiSymbol )
1099	DTRACE_CABAC_T( "\tctx=" )
1100	DTRACE_CABAC_V( uiCtx )
1101	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1102	DTRACE_CABAC_V( uiAbsPartIdx )
1103	DTRACE_CABAC_T( "\n" )
1104
1105	uiQtRootCbf = uiSymbol;
1106	}
1107
1108	Void TDecSbac::parseDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
1109	{
1110	#if H0736_AVC_STYLE_QP_RANGE
1111	Int qp;
1112	#endif
1113	UInt uiDQp;
1114	Int iDQp;
1115
1116	m_pcTDecBinIf->decodeBin( uiDQp, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) );
1117
1118	if ( uiDQp == 0 )
1119	{
1120	#if H0736_AVC_STYLE_QP_RANGE
1121	qp = pcCU->getRefQP(uiAbsPartIdx);
1122	#else
1123	uiDQp = pcCU->getRefQP(uiAbsPartIdx);
1124	#endif
1125	}
1126	else
1127	{
1128	UInt uiSign;
1129	#if H0736_AVC_STYLE_QP_RANGE
1130	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY();
1131	#else
1132	UInt uiQpBdOffsetY = 6*(g_uiBitIncrement + g_uiBitDepth - 8);
1133	#endif
1134	m_pcTDecBinIf->decodeBinEP(uiSign);
1135
1136	#if H0736_AVC_STYLE_QP_RANGE
1137	UInt uiMaxAbsDQpMinus1 = 24 + (qpBdOffsetY/2) + (uiSign);
1138	#else
1139	UInt uiMaxAbsDQpMinus1 = 24 + (uiQpBdOffsetY/2) + (uiSign);
1140	#endif
1141	UInt uiAbsDQpMinus1;
1142	xReadUnaryMaxSymbol (uiAbsDQpMinus1, &m_cCUDeltaQpSCModel.get( 0, 0, 1 ), 1, uiMaxAbsDQpMinus1);
1143
1144	iDQp = uiAbsDQpMinus1 + 1;
1145
1146	if(uiSign)
1147	{
1148	iDQp = -iDQp;
1149	}
1150
1151	#if H0736_AVC_STYLE_QP_RANGE
1152	qp = (((Int) pcCU->getRefQP( uiAbsPartIdx ) + iDQp + 52 + 2*qpBdOffsetY )%(52+qpBdOffsetY)) - qpBdOffsetY;
1153	#else
1154	#if LOSSLESS_CODING
1155	uiDQp = (pcCU->getRefQP(uiAbsPartIdx) + iDQp + 52) % 52;
1156	#else
1157	uiDQp = pcCU->getRefQP(uiAbsPartIdx) + iDQp;
1158	#endif
1159	#endif
1160	}
1161
1162	UInt uiAbsQpCUPartIdx = (uiAbsPartIdx>>(8-(pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()<<1)))<<(8-(pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()<<1)) ;
1163	UInt uiQpCUDepth = min(uiDepth,pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()) ;
1164	#if H0736_AVC_STYLE_QP_RANGE
1165	pcCU->setQPSubParts( qp, uiAbsQpCUPartIdx, uiQpCUDepth );
1166	#else
1167	pcCU->setQPSubParts( uiDQp, uiAbsQpCUPartIdx, uiQpCUDepth );
1168	#endif
1169	}
1170
1171	Void TDecSbac::parseQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth )
1172	{
1173	UInt uiSymbol;
1174	const UInt uiCtx = pcCU->getCtxQtCbf( uiAbsPartIdx, eType, uiTrDepth );
1175	m_pcTDecBinIf->decodeBin( uiSymbol , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA: eType, uiCtx ) );
1176
1177	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1178	DTRACE_CABAC_T( "\tparseQtCbf()" )
1179	DTRACE_CABAC_T( "\tsymbol=" )
1180	DTRACE_CABAC_V( uiSymbol )
1181	DTRACE_CABAC_T( "\tctx=" )
1182	DTRACE_CABAC_V( uiCtx )
1183	DTRACE_CABAC_T( "\tetype=" )
1184	DTRACE_CABAC_V( eType )
1185	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1186	DTRACE_CABAC_V( uiAbsPartIdx )
1187	DTRACE_CABAC_T( "\n" )
1188
1189	pcCU->setCbfSubParts( uiSymbol << uiTrDepth, eType, uiAbsPartIdx, uiDepth );
1190	}
1191
1192	/** Parse (X,Y) position of the last significant coefficient
1193	* \param uiPosLastX reference to X component of last coefficient
1194	* \param uiPosLastY reference to Y component of last coefficient
1195	* \param width Block width
1196	* \param height Block height
1197	* \param eTType plane type / luminance or chrominance
1198	* \param uiScanIdx scan type (zig-zag, hor, ver)
1199	*
1200	* This method decodes the X and Y component within a block of the last significant coefficient.
1201	*/
1202	Void TDecSbac::parseLastSignificantXY( UInt& uiPosLastX, UInt& uiPosLastY, Int width, Int height, TextType eTType, UInt uiScanIdx )
1203	{
1204	UInt uiLast;
1205	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
1206	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
1207
1208	// posX
1209	#if LAST_CTX_REDUCTION
1210	Int widthCtx = eTType ? 4 : width;
1211	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ widthCtx ] ( g_aucConvertToBit[ widthCtx ] + 3 ) );
1212	#else
1213	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ width ] ( g_aucConvertToBit[ width ] + 3 ) );
1214	#endif
1215	for( uiPosLastX = 0; uiPosLastX < g_uiGroupIdx[ width - 1 ]; uiPosLastX++ )
1216	{
1217	#if LAST_CTX_REDUCTION
1218	if ( eTType )
1219	{
1220	m_pcTDecBinIf->decodeBin( uiLast, *( pCtxX + (uiPosLastX>>g_aucConvertToBit[ width ]) ) );
1221	}
1222	else
1223	{
1224	#endif
1225	m_pcTDecBinIf->decodeBin( uiLast, *( pCtxX + puiCtxIdxX[ uiPosLastX ] ) );
1226	#if LAST_CTX_REDUCTION
1227	}
1228	#endif
1229	if( !uiLast )
1230	{
1231	break;
1232	}
1233	}
1234
1235	// posY
1236	#if LAST_CTX_REDUCTION
1237	Int heightCtx = eTType? 4 : height;
1238	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ heightCtx ] ( g_aucConvertToBit[ heightCtx ] + 3 ) );
1239	#else
1240	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ height ] ( g_aucConvertToBit[ height ] + 3 ) );
1241	#endif
1242	for( uiPosLastY = 0; uiPosLastY < g_uiGroupIdx[ height - 1 ]; uiPosLastY++ )
1243	{
1244	#if LAST_CTX_REDUCTION
1245	if (eTType)
1246	{
1247	m_pcTDecBinIf->decodeBin( uiLast, *( pCtxY + (uiPosLastY>>g_aucConvertToBit[ height ]) ) );
1248	}
1249	else
1250	{
1251	#endif
1252	m_pcTDecBinIf->decodeBin( uiLast, *( pCtxY + puiCtxIdxY[ uiPosLastY ] ) );
1253	#if LAST_CTX_REDUCTION
1254	}
1255	#endif
1256	if( !uiLast )
1257	{
1258	break;
1259	}
1260	}
1261	if ( uiPosLastX > 3 )
1262	{
1263	UInt uiTemp = 0;
1264	UInt uiCount = ( uiPosLastX - 2 ) >> 1;
1265	for ( Int i = uiCount - 1; i >= 0; i-- )
1266	{
1267	m_pcTDecBinIf->decodeBinEP( uiLast );
1268	uiTemp += uiLast << i;
1269	}
1270	uiPosLastX = g_uiMinInGroup[ uiPosLastX ] + uiTemp;
1271	}
1272	if ( uiPosLastY > 3 )
1273	{
1274	UInt uiTemp = 0;
1275	UInt uiCount = ( uiPosLastY - 2 ) >> 1;
1276	for ( Int i = uiCount - 1; i >= 0; i-- )
1277	{
1278	m_pcTDecBinIf->decodeBinEP( uiLast );
1279	uiTemp += uiLast << i;
1280	}
1281	uiPosLastY = g_uiMinInGroup[ uiPosLastY ] + uiTemp;
1282	}
1283
1284	if( uiScanIdx == SCAN_VER )
1285	{
1286	swap( uiPosLastX, uiPosLastY );
1287	}
1288	}
1289
1290	Void TDecSbac::parseCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType )
1291	{
1292	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1293	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1294	DTRACE_CABAC_V( eTType )
1295	DTRACE_CABAC_T( "\twidth=" )
1296	DTRACE_CABAC_V( uiWidth )
1297	DTRACE_CABAC_T( "\theight=" )
1298	DTRACE_CABAC_V( uiHeight )
1299	DTRACE_CABAC_T( "\tdepth=" )
1300	DTRACE_CABAC_V( uiDepth )
1301	DTRACE_CABAC_T( "\tabspartidx=" )
1302	DTRACE_CABAC_V( uiAbsPartIdx )
1303	DTRACE_CABAC_T( "\ttoCU-X=" )
1304	DTRACE_CABAC_V( pcCU->getCUPelX() )
1305	DTRACE_CABAC_T( "\ttoCU-Y=" )
1306	DTRACE_CABAC_V( pcCU->getCUPelY() )
1307	DTRACE_CABAC_T( "\tCU-addr=" )
1308	DTRACE_CABAC_V( pcCU->getAddr() )
1309	DTRACE_CABAC_T( "\tinCU-X=" )
1310	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1311	DTRACE_CABAC_T( "\tinCU-Y=" )
1312	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1313	DTRACE_CABAC_T( "\tpredmode=" )
1314	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1315	DTRACE_CABAC_T( "\n" )
1316
1317	if( uiWidth > pcCU->getSlice()->getSPS()->getMaxTrSize() )
1318	{
1319	uiWidth = pcCU->getSlice()->getSPS()->getMaxTrSize();
1320	uiHeight = pcCU->getSlice()->getSPS()->getMaxTrSize();
1321	}
1322
1323	eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA );
1324
1325	//----- parse significance map -----
1326	const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2;
1327	const UInt uiMaxNumCoeff = uiWidth * uiHeight;
1328	const UInt uiMaxNumCoeffM1 = uiMaxNumCoeff - 1;
1329	UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx));
1330	int blockType = uiLog2BlockSize;
1331	if (uiWidth != uiHeight)
1332	{
1333	uiScanIdx = SCAN_DIAG;
1334	blockType = 4;
1335	}
1336
1337	//===== decode last significant =====
1338	UInt uiPosLastX, uiPosLastY;
1339	parseLastSignificantXY( uiPosLastX, uiPosLastY, uiWidth, uiHeight, eTType, uiScanIdx );
1340	UInt uiBlkPosLast = uiPosLastX + (uiPosLastY<<uiLog2BlockSize);
1341	pcCoef[ uiBlkPosLast ] = 1;
1342
1343	//===== decode significance flags =====
1344	UInt uiScanPosLast = uiBlkPosLast;
1345	if (uiScanIdx == SCAN_ZIGZAG)
1346	{
1347	// Map zigzag to diagonal scan
1348	uiScanIdx = SCAN_DIAG;
1349	}
1350	const UInt * scan;
1351	if (uiWidth == uiHeight)
1352	{
1353	scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize-1 ];
1354	}
1355	else
1356	{
1357	scan = g_sigScanNSQT[ uiLog2BlockSize - 2 ];
1358	}
1359	for( uiScanPosLast = 0; uiScanPosLast < uiMaxNumCoeffM1; uiScanPosLast++ )
1360	{
1361	UInt uiBlkPos = scan[ uiScanPosLast ];
1362	if( uiBlkPosLast == uiBlkPos )
1363	{
1364	break;
1365	}
1366	}
1367
1368	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType );
1369	ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA;
1370
1371	const Int iLastScanSet = uiScanPosLast >> LOG2_SCAN_SET_SIZE;
1372	UInt uiNumOne = 0;
1373	UInt uiGoRiceParam = 0;
1374
1375	#if MULTIBITS_DATA_HIDING
1376	UInt const tsig = pcCU->getSlice()->getPPS()->getTSIG();
1377	#if LOSSLESS_CODING
1378	Bool beValid;
1379	if (pcCU->isLosslessCoded(uiAbsPartIdx))
1380	{
1381	beValid = false;
1382	}
1383	else
1384	{
1385	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1386	}
1387	#else
1388	Bool beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1389	#endif
1390	UInt absSum = 0;
1391	#endif // MULTIBITS_DATA_HIDING
1392
1393	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1394	::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1395	const UInt uiNumBlkSide = uiWidth >> (MLS_CG_SIZE >> 1);
1396	const UInt * scanCG;
1397	if (uiWidth == uiHeight)
1398	{
1399	scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ];
1400	#if MULTILEVEL_SIGMAP_EXT
1401	if( uiLog2BlockSize == 3 )
1402	{
1403	scanCG = g_sigLastScan8x8[ uiScanIdx ];
1404	}
1405	else if( uiLog2BlockSize == 5 )
1406	{
1407	scanCG = g_sigLastScanCG32x32;
1408	}
1409	#endif
1410	}
1411	else
1412	{
1413	scanCG = g_sigCGScanNSQT[ uiLog2BlockSize - 2 ];
1414	}
1415	Int iScanPosSig = (Int) uiScanPosLast;
1416	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1417	{
1418	Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE;
1419	uiGoRiceParam = 0;
1420	Int numNonZero = 0;
1421
1422	#if MULTIBITS_DATA_HIDING
1423	Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE;
1424	#endif
1425
1426	Int pos[SCAN_SET_SIZE];
1427	if( iScanPosSig == (Int) uiScanPosLast )
1428	{
1429	#if MULTIBITS_DATA_HIDING
1430	lastNZPosInCG = iScanPosSig;
1431	firstNZPosInCG = iScanPosSig;
1432	#endif
1433	iScanPosSig--;
1434	pos[ numNonZero ] = uiBlkPosLast;
1435	numNonZero = 1;
1436	}
1437
1438	#if !MULTILEVEL_SIGMAP_EXT
1439	if( blockType > 3 )
1440	{
1441	#endif
1442	// decode significant_coeffgroup_flag
1443	Int iCGBlkPos = scanCG[ iSubSet ];
1444	Int iCGPosY = iCGBlkPos / uiNumBlkSide;
1445	Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide);
1446	#if MULTILEVEL_SIGMAP_EXT
1447	if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR \|\| uiScanIdx == SCAN_VER) )
1448	{
1449	iCGPosY = (uiScanIdx == SCAN_HOR ? iCGBlkPos : 0);
1450	iCGPosX = (uiScanIdx == SCAN_VER ? iCGBlkPos : 0);
1451	}
1452	#endif
1453	#if !REMOVE_INFER_SIGGRP
1454	Bool bInferredCGFlag = false;
1455	#endif
1456	#if REMOVE_INFER_SIGGRP
1457	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1458	#else
1459	if( iSubSet == iLastScanSet )
1460	#endif
1461	{
1462	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1463	}
1464	else
1465	{
1466	#if !REMOVE_INFER_SIGGRP
1467	#if MULTILEVEL_SIGMAP_EXT
1468	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight) && ( iSubSet ) )
1469	#else
1470	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight) && ( iSubSet ) )
1471	#endif
1472	{
1473	#endif
1474	UInt uiSigCoeffGroup;
1475	#if MULTILEVEL_SIGMAP_EXT
1476	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight );
1477	#else
1478	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1479	#endif
1480	m_pcTDecBinIf->decodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1481	uiSigCoeffGroupFlag[ iCGBlkPos ] = uiSigCoeffGroup;
1482	#if !REMOVE_INFER_SIGGRP
1483	}
1484	else
1485	{
1486	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1487	bInferredCGFlag = true;
1488	}
1489	#endif
1490	}
1491
1492	// decode significant_coeff_flag
1493	UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig;
1494	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1495	{
1496	uiBlkPos = scan[ iScanPosSig ];
1497	uiPosY = uiBlkPos >> uiLog2BlockSize;
1498	uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1499	uiSig = 0;
1500
1501	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1502	{
1503	#if REMOVE_INFER_SIGGRP
1504	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1505	#else
1506	if( iScanPosSig > iSubPos \|\| bInferredCGFlag \|\| numNonZero )
1507	#endif
1508	{
1509	uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1510	m_pcTDecBinIf->decodeBin( uiSig, baseCtx[ uiCtxSig ] );
1511	}
1512	else
1513	{
1514	uiSig = 1;
1515	}
1516	}
1517	pcCoef[ uiBlkPos ] = uiSig;
1518	if( uiSig )
1519	{
1520	pos[ numNonZero ] = uiBlkPos;
1521	numNonZero ++;
1522	#if MULTIBITS_DATA_HIDING
1523	if( lastNZPosInCG == -1 )
1524	{
1525	lastNZPosInCG = iScanPosSig;
1526	}
1527	firstNZPosInCG = iScanPosSig;
1528	#endif
1529	}
1530	}
1531	#if !MULTILEVEL_SIGMAP_EXT
1532	}
1533	else
1534	{
1535	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1536	{
1537	UInt uiBlkPos = scan[ iScanPosSig ];
1538	UInt uiPosY = uiBlkPos >> uiLog2BlockSize;
1539	UInt uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1540	UInt uiSig = 0;
1541	UInt uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1542	m_pcTDecBinIf->decodeBin( uiSig, baseCtx[ uiCtxSig ] );
1543	pcCoef[ uiBlkPos ] = uiSig;
1544	if( uiSig )
1545	{
1546	pos[ numNonZero ] = uiBlkPos;
1547	numNonZero ++;
1548	#if MULTIBITS_DATA_HIDING
1549	if( lastNZPosInCG == -1 )
1550	{
1551	lastNZPosInCG = iScanPosSig;
1552	}
1553	firstNZPosInCG = iScanPosSig;
1554	#endif
1555	}
1556	}
1557	}
1558	#endif
1559
1560
1561	if( numNonZero )
1562	{
1563	#if MULTIBITS_DATA_HIDING
1564	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= (Int)tsig );
1565	absSum = 0;
1566	#endif // MULTIBITS_DATA_HIDING
1567
1568	UInt c1 = 1;
1569	#if !RESTRICT_GR1GR2FLAG_NUMBER
1570	UInt c2 = 0;
1571	#endif
1572	#if LEVEL_CTX_LUMA_RED
1573	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0;
1574	#else
1575	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 3 : 0;
1576	#endif
1577	UInt uiBin;
1578
1579	if( uiNumOne > 0 )
1580	{
1581	uiCtxSet++;
1582	#if !LEVEL_CTX_LUMA_RED
1583	if(eTType==TEXT_LUMA && uiNumOne > 3)
1584	{
1585	uiCtxSet++;
1586	}
1587	#endif
1588	}
1589
1590	uiNumOne >>= 1;
1591	ContextModel baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet;
1592	Int absCoeff[SCAN_SET_SIZE];
1593
1594	#if RESTRICT_GR1GR2FLAG_NUMBER
1595	for ( Int i = 0; i < numNonZero; i++) absCoeff[i] = 1;
1596	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
1597	Int firstC2FlagIdx = -1;
1598
1599	for( Int idx = 0; idx < numC1Flag; idx++ )
1600	#else
1601	for( Int idx = 0; idx < numNonZero; idx++ )
1602	#endif
1603	{
1604	m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[c1] );
1605	if( uiBin == 1 )
1606	{
1607	c1 = 0;
1608	#if RESTRICT_GR1GR2FLAG_NUMBER
1609	if (firstC2FlagIdx == -1)
1610	{
1611	firstC2FlagIdx = idx;
1612	}
1613	#endif
1614	}
1615	else if( (c1 < 3) && (c1 > 0) )
1616	{
1617	c1++;
1618	}
1619	absCoeff[ idx ] = uiBin + 1;
1620	}
1621
1622	if (c1 == 0)
1623	{
1624	#if RESTRICT_GR1GR2FLAG_NUMBER
1625	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet;
1626	if ( firstC2FlagIdx != -1)
1627	{
1628	m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[0] );
1629	absCoeff[ firstC2FlagIdx ] = uiBin + 2;
1630	}
1631	#else
1632	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + 3 * uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + 3 * uiCtxSet;
1633	for( Int idx = 0; idx < numNonZero; idx++ )
1634	{
1635	if( absCoeff[ idx ] == 2 )
1636	{
1637	m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[c2] );
1638	absCoeff[ idx ] = uiBin + 2;
1639	c2 += (c2 < 2);
1640	uiNumOne++;
1641	}
1642	}
1643	#endif
1644	}
1645
1646	#if MULTIBITS_DATA_HIDING
1647	UInt coeffSigns;
1648	if ( signHidden && beValid )
1649	{
1650	m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero-1 );
1651	coeffSigns <<= 32 - (numNonZero-1);
1652	}
1653	else
1654	{
1655	m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero );
1656	coeffSigns <<= 32 - numNonZero;
1657	}
1658	#else
1659	UInt coeffSigns;
1660	m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero );
1661	coeffSigns <<= 32 - numNonZero;
1662	#endif
1663
1664	#if RESTRICT_GR1GR2FLAG_NUMBER
1665	Int iFirstCoeff2 = 1;
1666	if (c1 == 0 \|\| numNonZero > C1FLAG_NUMBER)
1667	#else
1668	if (c1 == 0)
1669	#endif
1670	{
1671	for( Int idx = 0; idx < numNonZero; idx++ )
1672	{
1673	#if RESTRICT_GR1GR2FLAG_NUMBER
1674	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2) : 1;
1675
1676	if( absCoeff[ idx ] == baseLevel)
1677	{
1678	UInt uiLevel;
1679	xReadGoRiceExGolomb( uiLevel, uiGoRiceParam );
1680	absCoeff[ idx ] = uiLevel + baseLevel;
1681	}
1682
1683	if(absCoeff[ idx ] >= 2)
1684	{
1685	iFirstCoeff2 = 0;
1686	uiNumOne++;
1687	}
1688	#else
1689	if( absCoeff[ idx ] == 3 )
1690	{
1691	UInt uiLevel;
1692	xReadGoRiceExGolomb( uiLevel, uiGoRiceParam );
1693	absCoeff[ idx ] = uiLevel + 3;
1694	}
1695	#endif
1696	}
1697	}
1698
1699	for( Int idx = 0; idx < numNonZero; idx++ )
1700	{
1701	Int blkPos = pos[ idx ];
1702	#if MULTIBITS_DATA_HIDING
1703	// Signs applied later.
1704	pcCoef[ blkPos ] = absCoeff[ idx ];
1705	absSum += absCoeff[ idx ];
1706
1707	if ( idx == numNonZero-1 && signHidden && beValid )
1708	{
1709	// Infer sign of 1st element.
1710	if (absSum&0x1)
1711	pcCoef[ blkPos ] = -pcCoef[ blkPos ];
1712	}
1713	else
1714	{
1715	Int sign = static_cast<Int>( coeffSigns ) >> 31;
1716	pcCoef[ blkPos ] = ( pcCoef[ blkPos ] ^ sign ) - sign;
1717	coeffSigns <<= 1;
1718	}
1719	#else
1720	Int sign = static_cast<Int>( coeffSigns ) >> 31;
1721	pcCoef[ blkPos ] = ( absCoeff[ idx ] ^ sign ) - sign;
1722	coeffSigns <<= 1;
1723	#endif
1724	}
1725	}
1726	else
1727	{
1728	uiNumOne >>= 1;
1729	}
1730	}
1731
1732	return;
1733	}
1734
1735
1736	#if SAO_UNIT_INTERLEAVING
1737	Void TDecSbac::parseSaoUvlc (UInt& ruiVal)
1738	{
1739	UInt uiCode;
1740	Int i;
1741
1742	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoUvlcSCModel.get( 0, 0, 0 ) );
1743	if ( uiCode == 0 )
1744	{
1745	ruiVal = 0;
1746	return;
1747	}
1748
1749	i=1;
1750	while (1)
1751	{
1752	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoUvlcSCModel.get( 0, 0, 1 ) );
1753	if ( uiCode == 0 ) break;
1754	i++;
1755	}
1756
1757	ruiVal = i;
1758	}
1759
1760	Void TDecSbac::parseSaoSvlc (Int& riVal)
1761	{
1762	UInt uiCode;
1763	Int iSign;
1764	Int i;
1765
1766	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoSvlcSCModel.get( 0, 0, 0 ) );
1767
1768	if ( uiCode == 0 )
1769	{
1770	riVal = 0;
1771	return;
1772	}
1773
1774	// read sign
1775	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoSvlcSCModel.get( 0, 0, 1 ) );
1776
1777	if ( uiCode == 0 )
1778	{
1779	iSign = 1;
1780	}
1781	else
1782	{
1783	iSign = -1;
1784	}
1785
1786	// read magnitude
1787	i=1;
1788	while (1)
1789	{
1790	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoSvlcSCModel.get( 0, 0, 2 ) );
1791	if ( uiCode == 0 ) break;
1792	i++;
1793	}
1794
1795	riVal = i*iSign;
1796	}
1797
1798	Void TDecSbac::parseSaoUflc (UInt& riVal)
1799	{
1800	UInt uiSymbol;
1801	riVal = 0;
1802	for (Int i=0;i<5;i++)
1803	{
1804	m_pcTDecBinIf->decodeBinEP ( uiSymbol );
1805	if (uiSymbol)
1806	{
1807	riVal \|= (1<<i);
1808	}
1809	}
1810	}
1811	Void TDecSbac::parseSaoMergeLeft (UInt& ruiVal, UInt uiCompIdx)
1812	{
1813	UInt uiCode;
1814	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ) );
1815	ruiVal = (Int)uiCode;
1816	}
1817
1818	Void TDecSbac::parseSaoMergeUp (UInt& ruiVal)
1819	{
1820	UInt uiCode;
1821	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoMergeUpSCModel.get( 0, 0, 0 ) );
1822	ruiVal = (Int)uiCode;
1823	}
1824	Void TDecSbac::parseSaoTypeIdx (UInt& ruiVal)
1825	{
1826	UInt uiCode;
1827	Int i;
1828	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
1829	if ( uiCode == 0 )
1830	{
1831	ruiVal = 0;
1832	return;
1833	}
1834	i=1;
1835	while (1)
1836	{
1837	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) );
1838	if ( uiCode == 0 ) break;
1839	i++;
1840	}
1841	ruiVal = i;
1842	}
1843
1844	inline Void copySaoOneLcuParam(SaoLcuParam* psDst, SaoLcuParam* psSrc)
1845	{
1846	Int i;
1847	psDst->partIdx = psSrc->partIdx;
1848	psDst->typeIdx = psSrc->typeIdx;
1849	if (psDst->typeIdx != -1)
1850	{
1851	if (psDst->typeIdx == SAO_BO)
1852	{
1853	psDst->bandPosition = psSrc->bandPosition ;
1854	}
1855	else
1856	{
1857	psDst->bandPosition = 0;
1858	}
1859	psDst->length = psSrc->length;
1860	for (i=0;i<psDst->length;i++)
1861	{
1862	psDst->offset[i] = psSrc->offset[i];
1863	}
1864	}
1865	else
1866	{
1867	psDst->length = 0;
1868	for (i=0;i<SAO_BO_LEN;i++)
1869	{
1870	psDst->offset[i] = 0;
1871	}
1872	}
1873	}
1874	Void TDecSbac::parseSaoOffset(SaoLcuParam* psSaoLcuParam)
1875	{
1876	UInt uiSymbol;
1877	Int iSymbol;
1878	static Int iTypeLength[MAX_NUM_SAO_TYPE] = {
1879	SAO_EO_LEN,
1880	SAO_EO_LEN,
1881	SAO_EO_LEN,
1882	SAO_EO_LEN,
1883	SAO_BO_LEN
1884	};
1885
1886	parseSaoTypeIdx(uiSymbol);
1887	psSaoLcuParam->typeIdx = (Int)uiSymbol - 1;
1888	if (uiSymbol)
1889	{
1890	psSaoLcuParam->length = iTypeLength[psSaoLcuParam->typeIdx];
1891	if( psSaoLcuParam->typeIdx == SAO_BO )
1892	{
1893	// Parse Left Band Index
1894	parseSaoUflc( uiSymbol );
1895	psSaoLcuParam->bandPosition = uiSymbol;
1896	for(Int i=0; i< psSaoLcuParam->length; i++)
1897	{
1898	parseSaoSvlc(iSymbol);
1899	psSaoLcuParam->offset[i] = iSymbol;
1900	}
1901	}
1902	else if( psSaoLcuParam->typeIdx < 4 )
1903	{
1904	parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[0] = uiSymbol;
1905	parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[1] = uiSymbol;
1906	parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[2] = -(Int)uiSymbol;
1907	parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[3] = -(Int)uiSymbol;
1908	}
1909	}
1910	else
1911	{
1912	psSaoLcuParam->length = 0;
1913	}
1914	}
1915
1916	Void TDecSbac::parseSaoOneLcuInterleaving(Int rx, Int ry, SAOParam* pSaoParam, TComDataCU* pcCU, Int iCUAddrInSlice, Int iCUAddrUpInSlice, Bool bLFCrossSliceBoundaryFlag)
1917	{
1918	Int iAddr = pcCU->getAddr();
1919	UInt uiSymbol;
1920	for (Int iCompIdx=0; iCompIdx<3; iCompIdx++)
1921	{
1922	pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag = 0;
1923	pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag = 0;
1924	pSaoParam->saoLcuParam[iCompIdx][iAddr].bandPosition = 0;
1925	pSaoParam->saoLcuParam[iCompIdx][iAddr].typeIdx = -1;
1926	pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[0] = 0;
1927	pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[1] = 0;
1928	pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[2] = 0;
1929	pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[3] = 0;
1930
1931	if (pSaoParam->bSaoFlag[iCompIdx])
1932	{
1933	if (rx>0 && iCUAddrInSlice!=0)
1934	{
1935	parseSaoMergeLeft(uiSymbol,iCompIdx); pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag = (Int)uiSymbol;
1936	}
1937	else
1938	{
1939	pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag = 0;
1940	}
1941
1942	if (pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag==0)
1943	{
1944	if ((ry > 0) && (iCUAddrUpInSlice>0\|\|bLFCrossSliceBoundaryFlag))
1945	{
1946	parseSaoMergeUp(uiSymbol); pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag = uiSymbol;
1947	}
1948	else
1949	{
1950	pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag = 0;
1951	}
1952	if (!pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag)
1953	{
1954	parseSaoOffset(&(pSaoParam->saoLcuParam[iCompIdx][iAddr]));
1955	}
1956	else
1957	{
1958	copySaoOneLcuParam(&pSaoParam->saoLcuParam[iCompIdx][iAddr], &pSaoParam->saoLcuParam[iCompIdx][iAddr-pSaoParam->numCuInWidth]);
1959	}
1960	}
1961	else
1962	{
1963	copySaoOneLcuParam(&pSaoParam->saoLcuParam[iCompIdx][iAddr], &pSaoParam->saoLcuParam[iCompIdx][iAddr-1]);
1964	}
1965	}
1966	else
1967	{
1968	pSaoParam->saoLcuParam[iCompIdx][iAddr].typeIdx = -1;
1969	pSaoParam->saoLcuParam[iCompIdx][iAddr].bandPosition = 0;
1970	}
1971	}
1972	}
1973	#endif
1974
1975	/**
1976	- Initialize our contexts from the nominated source.
1977	.
1978	\param pSrc Contexts to be copied.
1979	*/
1980	Void TDecSbac::xCopyContextsFrom( TDecSbac* pSrc )
1981	{
1982	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
1983	}
1984
1985	Void TDecSbac::xCopyFrom( TDecSbac* pSrc )
1986	{
1987	m_pcTDecBinIf->copyState( pSrc->m_pcTDecBinIf );
1988
1989	m_uiLastQp = pSrc->m_uiLastQp;
1990	xCopyContextsFrom( pSrc );
1991
1992	}
1993
1994	Void TDecSbac::load ( TDecSbac* pScr )
1995	{
1996	xCopyFrom(pScr);
1997	}
1998
1999	Void TDecSbac::loadContexts ( TDecSbac* pScr )
2000	{
2001	xCopyContextsFrom(pScr);
2002	}
2003
2004	#if OL_FLUSH
2005	Void TDecSbac::decodeFlush ( )
2006	{
2007	UInt uiBit;
2008	m_pcTDecBinIf->decodeBinTrm(uiBit);
2009	m_pcTDecBinIf->flush();
2010
2011	}
2012	#endif
2013
2014	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
2015	Void TDecSbac::xReadExGolombLevel( UInt& ruiSymbol, ContextModel& rcSCModel )
2016	{
2017	UInt uiSymbol;
2018	UInt uiCount = 0;
2019	do
2020	{
2021	m_pcTDecBinIf->decodeBin( uiSymbol, rcSCModel );
2022	uiCount++;
2023	}
2024	while( uiSymbol && ( uiCount != 13 ) );
2025
2026	ruiSymbol = uiCount - 1;
2027
2028	if( uiSymbol )
2029	{
2030	xReadEpExGolomb( uiSymbol, 0 );
2031	ruiSymbol += uiSymbol + 1;
2032	}
2033
2034	return;
2035	}
2036	#endif
2037	#if HHI_DMM_WEDGE_INTRA
2038	Void TDecSbac::xParseWedgeFullInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2039	{
2040	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2041	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2042
2043	UInt uiSymbol, uiTabIdx = 0;
2044	for ( Int i = 0; i < iBits; i++ )
2045	{
2046	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 0) );
2047	uiTabIdx += ( uiSymbol && i == 0 ) ? 1 : 0;
2048	uiTabIdx += ( uiSymbol && i == 1 ) ? 2 : 0;
2049	uiTabIdx += ( uiSymbol && i == 2 ) ? 4 : 0;
2050	uiTabIdx += ( uiSymbol && i == 3 ) ? 8 : 0;
2051	uiTabIdx += ( uiSymbol && i == 4 ) ? 16 : 0;
2052	uiTabIdx += ( uiSymbol && i == 5 ) ? 32 : 0;
2053	uiTabIdx += ( uiSymbol && i == 6 ) ? 64 : 0;
2054	uiTabIdx += ( uiSymbol && i == 7 ) ? 128 : 0;
2055	uiTabIdx += ( uiSymbol && i == 8 ) ? 256 : 0;
2056	uiTabIdx += ( uiSymbol && i == 9 ) ? 512 : 0;
2057	uiTabIdx += ( uiSymbol && i == 10 ) ? 1024 : 0;
2058	uiTabIdx += ( uiSymbol && i == 11 ) ? 2048 : 0;
2059	uiTabIdx += ( uiSymbol && i == 12 ) ? 4096 : 0;
2060	}
2061
2062	pcCU->setWedgeFullTabIdxSubParts( uiTabIdx, uiAbsPartIdx, uiDepth );
2063	}
2064
2065	Void TDecSbac::xParseWedgeFullDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2066	{
2067	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2068	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2069
2070	UInt uiSymbol, uiTabIdx = 0;
2071	for ( Int i = 0; i < iBits; i++ )
2072	{
2073	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 0) );
2074	uiTabIdx += ( uiSymbol && i == 0 ) ? 1 : 0;
2075	uiTabIdx += ( uiSymbol && i == 1 ) ? 2 : 0;
2076	uiTabIdx += ( uiSymbol && i == 2 ) ? 4 : 0;
2077	uiTabIdx += ( uiSymbol && i == 3 ) ? 8 : 0;
2078	uiTabIdx += ( uiSymbol && i == 4 ) ? 16 : 0;
2079	uiTabIdx += ( uiSymbol && i == 5 ) ? 32 : 0;
2080	uiTabIdx += ( uiSymbol && i == 6 ) ? 64 : 0;
2081	uiTabIdx += ( uiSymbol && i == 7 ) ? 128 : 0;
2082	uiTabIdx += ( uiSymbol && i == 8 ) ? 256 : 0;
2083	uiTabIdx += ( uiSymbol && i == 9 ) ? 512 : 0;
2084	uiTabIdx += ( uiSymbol && i == 10 ) ? 1024 : 0;
2085	uiTabIdx += ( uiSymbol && i == 11 ) ? 2048 : 0;
2086	uiTabIdx += ( uiSymbol && i == 12 ) ? 4096 : 0;
2087	}
2088
2089	pcCU->setWedgeFullTabIdxSubParts( uiTabIdx, uiAbsPartIdx, uiDepth );
2090
2091	UInt uiDC1, uiDC2;
2092	xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) );
2093	Int iDC1 = uiDC1;
2094	if ( uiDC1 )
2095	{
2096	UInt uiSign;
2097	m_pcTDecBinIf->decodeBinEP( uiSign );
2098	if ( uiSign )
2099	{
2100	iDC1 = -iDC1;
2101	}
2102	}
2103	xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) );
2104	Int iDC2 = uiDC2;
2105	if ( uiDC2 )
2106	{
2107	UInt uiSign;
2108	m_pcTDecBinIf->decodeBinEP( uiSign );
2109	if ( uiSign )
2110	{
2111	iDC2 = -iDC2;
2112	}
2113	}
2114
2115	pcCU->setWedgeFullDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth );
2116	pcCU->setWedgeFullDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth );
2117	}
2118
2119	Void TDecSbac::xParseWedgePredDirInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2120	{
2121	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2122	{
2123	UInt uiDeltaEnd = 0;
2124	m_pcTDecBinIf->decodeBin( uiDeltaEnd, m_cDmmDataSCModel.get(0, 0, 2) );
2125
2126	Int iDeltaEnd;
2127	if( uiDeltaEnd != 0 )
2128	{
2129	UInt uiAbsValMinus1;
2130	UInt uiSymbol;
2131	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 = uiSymbol;
2132	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 \|= uiSymbol << 1;
2133	uiDeltaEnd = uiAbsValMinus1 + 1;
2134
2135	iDeltaEnd = uiDeltaEnd;
2136	UInt uiSign;
2137	m_pcTDecBinIf->decodeBinEP( uiSign );
2138	if( uiSign )
2139	{
2140	iDeltaEnd = -iDeltaEnd;
2141	}
2142	}
2143	else
2144	{
2145	iDeltaEnd = 0;
2146	}
2147	pcCU->setWedgePredDirDeltaEndSubParts( iDeltaEnd, uiAbsPartIdx, uiDepth );
2148	}
2149	}
2150
2151	Void TDecSbac::xParseWedgePredDirDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2152	{
2153	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2154	{
2155	UInt uiDeltaEnd = 0;
2156	m_pcTDecBinIf->decodeBin( uiDeltaEnd, m_cDmmDataSCModel.get(0, 0, 2) );
2157
2158	Int iDeltaEnd;
2159	if( uiDeltaEnd != 0 )
2160	{
2161	UInt uiAbsValMinus1;
2162	UInt uiSymbol;
2163	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 = uiSymbol;
2164	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 \|= uiSymbol << 1;
2165	uiDeltaEnd = uiAbsValMinus1 + 1;
2166
2167	iDeltaEnd = uiDeltaEnd;
2168	UInt uiSign;
2169	m_pcTDecBinIf->decodeBinEP( uiSign );
2170	if( uiSign )
2171	{
2172	iDeltaEnd = -iDeltaEnd;
2173	}
2174	}
2175	else
2176	{
2177	iDeltaEnd = 0;
2178	}
2179
2180	pcCU->setWedgePredDirDeltaEndSubParts( iDeltaEnd, uiAbsPartIdx, uiDepth );
2181	}
2182
2183	UInt uiDC1, uiDC2;
2184	xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) );
2185	Int iDC1 = uiDC1;
2186	if ( uiDC1 )
2187	{
2188	UInt uiSign;
2189	m_pcTDecBinIf->decodeBinEP( uiSign );
2190	if ( uiSign )
2191	{
2192	iDC1 = -iDC1;
2193	}
2194	}
2195	xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) );
2196	Int iDC2 = uiDC2;
2197	if ( uiDC2 )
2198	{
2199	UInt uiSign;
2200	m_pcTDecBinIf->decodeBinEP( uiSign );
2201	if ( uiSign )
2202	{
2203	iDC2 = -iDC2;
2204	}
2205	}
2206
2207	pcCU->setWedgePredDirDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth );
2208	pcCU->setWedgePredDirDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth );
2209	}
2210	#endif
2211	#if HHI_DMM_PRED_TEX
2212	Void TDecSbac::xParseWedgePredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2213	{
2214	UInt uiDC1, uiDC2;
2215	xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) );
2216	Int iDC1 = uiDC1;
2217	if ( uiDC1 )
2218	{
2219	UInt uiSign;
2220	m_pcTDecBinIf->decodeBinEP( uiSign );
2221	if ( uiSign )
2222	{
2223	iDC1 = -iDC1;
2224	}
2225	}
2226	xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) );
2227	Int iDC2 = uiDC2;
2228	if ( uiDC2 )
2229	{
2230	UInt uiSign;
2231	m_pcTDecBinIf->decodeBinEP( uiSign );
2232	if ( uiSign )
2233	{
2234	iDC2 = -iDC2;
2235	}
2236	}
2237
2238	pcCU->setWedgePredTexDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth );
2239	pcCU->setWedgePredTexDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth );
2240	}
2241
2242	Void TDecSbac::xParseContourPredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2243	{
2244	UInt uiDC1, uiDC2;
2245	xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) );
2246	Int iDC1 = uiDC1;
2247	if ( uiDC1 )
2248	{
2249	UInt uiSign;
2250	m_pcTDecBinIf->decodeBinEP( uiSign );
2251	if ( uiSign )
2252	{
2253	iDC1 = -iDC1;
2254	}
2255	}
2256	xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) );
2257	Int iDC2 = uiDC2;
2258	if ( uiDC2 )
2259	{
2260	UInt uiSign;
2261	m_pcTDecBinIf->decodeBinEP( uiSign );
2262	if ( uiSign )
2263	{
2264	iDC2 = -iDC2;
2265	}
2266	}
2267
2268	pcCU->setContourPredTexDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth );
2269	pcCU->setContourPredTexDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth );
2270	}
2271	#endif
2272	//! \}

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