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TDecSbac.cpp @ 140

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Last change on this file since 140 was 100, checked in by tech, 12 years ago

Adopted modifications:

disparity vector generation (A0097)
inter-view motion prediction modification (A0049)
simplification of disparity vector derivation (A0126)
region boundary chain coding (A0070)
residual skip intra (A0087)
VSO modification (A0033/A0093)

+ Clean ups + Bug fixes

Update of cfg files (A0033 modification 2)

Property svn:eol-style set to native

File size: 74.4 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	#if LGE_EDGE_INTRA
101	, m_cEdgeIntraSCModel ( 1, 1, NUM_EDGE_INTRA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
102	#if LGE_EDGE_INTRA_DELTA_DC
103	, m_cEdgeIntraDeltaDCSCModel ( 1, 1, NUM_EDGE_INTRA_DELTA_DC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
104	#endif
105	#endif
106	{
107	assert( m_numContextModels <= MAX_NUM_CTX_MOD );
108	m_iSliceGranularity = 0;
109	}
110
111	TDecSbac::~TDecSbac()
112	{
113	}
114
115	// ====================================================================================================================
116	// Public member functions
117	// ====================================================================================================================
118
119	#if CABAC_INIT_FLAG
120	Void TDecSbac::resetEntropy(TComSlice* pSlice)
121	{
122	SliceType sliceType = pSlice->getSliceType();
123	Int qp = pSlice->getSliceQp();
124
125	if (pSlice->getPPS()->getCabacInitPresentFlag() && pSlice->getCabacInitFlag())
126	{
127	switch (sliceType)
128	{
129	case P_SLICE: // change initialization table to B_SLICE initialization
130	sliceType = B_SLICE;
131	break;
132	case B_SLICE: // change initialization table to P_SLICE initialization
133	sliceType = P_SLICE;
134	break;
135	default : // should not occur
136	assert(0);
137	}
138	}
139
140	#else
141	Void TDecSbac::resetEntropywithQPandInitIDC (Int qp, Int iID)
142	{
143	SliceType sliceType = (SliceType)iID;
144	#endif
145
146	m_cCUSplitFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SPLIT_FLAG );
147	m_cCUSkipFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SKIP_FLAG );
148	m_cCUMergeFlagExtSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT );
149	m_cCUMergeIdxExtSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MERGE_IDX_EXT );
150	#if HHI_INTER_VIEW_RESIDUAL_PRED
151	m_cResPredFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_RES_PRED_FLAG );
152	#endif
153	m_cCUAlfCtrlFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_CTRL_FLAG );
154	m_cCUPartSizeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_PART_SIZE );
155	#if AMP_CTX
156	m_cCUAMPSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CU_AMP_POS );
157	#else
158	m_cCUXPosiSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CU_X_POS );
159	m_cCUYPosiSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CU_Y_POS );
160	#endif
161	m_cCUPredModeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_PRED_MODE );
162	m_cCUIntraPredSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_INTRA_PRED_MODE );
163	m_cCUChromaPredSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE );
164	m_cCUInterDirSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_INTER_DIR );
165	m_cCUMvdSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MVD );
166	m_cCURefPicSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_REF_PIC );
167	m_cCUDeltaQpSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DQP );
168	m_cCUQtCbfSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_QT_CBF );
169	m_cCUQtRootCbfSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_QT_ROOT_CBF );
170	m_cCUSigCoeffGroupSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SIG_CG_FLAG );
171	m_cCUSigSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SIG_FLAG );
172	m_cCuCtxLastX.initBuffer ( sliceType, qp, (UChar*)INIT_LAST );
173	m_cCuCtxLastY.initBuffer ( sliceType, qp, (UChar*)INIT_LAST );
174	m_cCUOneSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ONE_FLAG );
175	m_cCUAbsSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ABS_FLAG );
176	m_cMVPIdxSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_MVP_IDX );
177	m_cALFFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_FLAG );
178	m_cALFUvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_UVLC );
179	m_cALFSvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_ALF_SVLC );
180	m_cSaoFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_FLAG );
181	m_cSaoUvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_UVLC );
182	m_cSaoSvlcSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_SVLC );
183	#if SAO_UNIT_INTERLEAVING
184	m_cSaoMergeLeftSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG );
185	m_cSaoMergeUpSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_MERGE_UP_FLAG );
186	m_cSaoTypeIdxSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_SAO_TYPE_IDX );
187	#endif
188
189	m_cCUTransSubdivFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
190	#if LGE_EDGE_INTRA
191	m_cEdgeIntraSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_EDGE_INTRA );
192	#if LGE_EDGE_INTRA_DELTA_DC
193	m_cEdgeIntraDeltaDCSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_EDGE_INTRA_DELTA_DC );
194	#endif
195	#endif
196	m_uiLastDQpNonZero = 0;
197	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
198	m_cDmmFlagSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DMM_FLAG );
199	m_cDmmModeSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DMM_MODE );
200	m_cDmmDataSCModel.initBuffer ( sliceType, qp, (UChar*)INIT_DMM_DATA );
201	#endif
202
203	// new structure
204	m_uiLastQp = qp;
205
206	m_pcTDecBinIf->start();
207	}
208
209	/** The function does the following: Read out terminate bit. Flush CABAC. Byte-align for next tile.
210	* Intialize CABAC states. Start CABAC.
211	*/
212	Void TDecSbac::updateContextTables( SliceType eSliceType, Int iQp )
213	{
214	UInt uiBit;
215	m_pcTDecBinIf->decodeBinTrm(uiBit);
216	m_pcTDecBinIf->finish();
217	#if !OL_FLUSH_ALIGN
218	// Account for misaligned CABAC.
219	Int iCABACReadAhead = m_pcTDecBinIf->getBitsReadAhead();
220	iCABACReadAhead--;
221	Int iStreamBits = 8-m_pcBitstream->getNumBitsUntilByteAligned();
222	if (iCABACReadAhead >= iStreamBits)
223	{
224	// Misaligned CABAC has read into the 1st byte of the next tile.
225	// Back up a byte prior to alignment.
226	m_pcBitstream->backupByte();
227	}
228	#endif
229	m_pcBitstream->readOutTrailingBits();
230	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
231	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
232	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT );
233	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT );
234	#if HHI_INTER_VIEW_RESIDUAL_PRED
235	m_cResPredFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_RES_PRED_FLAG );
236	#endif
237	m_cCUAlfCtrlFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_CTRL_FLAG );
238	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
239	#if AMP_CTX
240	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
241	#else
242	m_cCUXPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_X_POS );
243	m_cCUYPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_Y_POS );
244	#endif
245	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
246	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
247	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
248	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
249	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
250	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
251	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
252	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
253	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
254	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
255	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
256	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
257	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
258	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
259	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
260	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
261	m_cALFFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_FLAG );
262	m_cALFUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_UVLC );
263	m_cALFSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_SVLC );
264	m_cSaoFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_FLAG );
265	m_cSaoUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_UVLC );
266	m_cSaoSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_SVLC );
267	#if SAO_UNIT_INTERLEAVING
268	m_cSaoMergeLeftSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG );
269	m_cSaoMergeUpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_UP_FLAG );
270	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
271	#endif
272	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
273	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
274	m_cDmmFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_FLAG );
275	m_cDmmModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_MODE );
276	m_cDmmDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_DATA );
277	#endif
278
279	m_pcTDecBinIf->start();
280	}
281
282	Void TDecSbac::readTileMarker( UInt& uiTileIdx, UInt uiBitsUsed )
283	{
284	UInt uiSymbol;
285	uiTileIdx = 0;
286	for (Int iShift=uiBitsUsed-1; iShift>=0; iShift--)
287	{
288	m_pcTDecBinIf->decodeBinEP ( uiSymbol );
289	if (uiSymbol)
290	{
291	uiTileIdx \|= (1<<iShift);
292	}
293	}
294	}
295
296	Void TDecSbac::parseTerminatingBit( UInt& ruiBit )
297	{
298	m_pcTDecBinIf->decodeBinTrm( ruiBit );
299	}
300
301
302	Void TDecSbac::xReadUnaryMaxSymbol( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol )
303	{
304	if (uiMaxSymbol == 0)
305	{
306	ruiSymbol = 0;
307	return;
308	}
309
310	m_pcTDecBinIf->decodeBin( ruiSymbol, pcSCModel[0] );
311
312	if( ruiSymbol == 0 \|\| uiMaxSymbol == 1 )
313	{
314	return;
315	}
316
317	UInt uiSymbol = 0;
318	UInt uiCont;
319
320	do
321	{
322	m_pcTDecBinIf->decodeBin( uiCont, pcSCModel[ iOffset ] );
323	uiSymbol++;
324	}
325	while( uiCont && ( uiSymbol < uiMaxSymbol - 1 ) );
326
327	if( uiCont && ( uiSymbol == uiMaxSymbol - 1 ) )
328	{
329	uiSymbol++;
330	}
331
332	ruiSymbol = uiSymbol;
333	}
334
335	Void TDecSbac::xReadEpExGolomb( UInt& ruiSymbol, UInt uiCount )
336	{
337	UInt uiSymbol = 0;
338	UInt uiBit = 1;
339
340	while( uiBit )
341	{
342	m_pcTDecBinIf->decodeBinEP( uiBit );
343	uiSymbol += uiBit << uiCount++;
344	}
345
346	if ( --uiCount )
347	{
348	UInt bins;
349	m_pcTDecBinIf->decodeBinsEP( bins, uiCount );
350	uiSymbol += bins;
351	}
352
353	ruiSymbol = uiSymbol;
354	}
355
356	Void TDecSbac::xReadUnarySymbol( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset )
357	{
358	m_pcTDecBinIf->decodeBin( ruiSymbol, pcSCModel[0] );
359
360	if( !ruiSymbol )
361	{
362	return;
363	}
364
365	UInt uiSymbol = 0;
366	UInt uiCont;
367
368	do
369	{
370	m_pcTDecBinIf->decodeBin( uiCont, pcSCModel[ iOffset ] );
371	uiSymbol++;
372	}
373	while( uiCont );
374
375	ruiSymbol = uiSymbol;
376	}
377
378	/** Parsing of coeff_abs_level_minus3
379	* \param ruiSymbol reference to coeff_abs_level_minus3
380	* \param ruiGoRiceParam reference to Rice parameter
381	* \returns Void
382	*/
383	Void TDecSbac::xReadGoRiceExGolomb( UInt &ruiSymbol, UInt &ruiGoRiceParam )
384	{
385	Bool bExGolomb = false;
386	UInt uiCodeWord = 0;
387	UInt uiQuotient = 0;
388	UInt uiRemainder = 0;
389	UInt uiMaxVlc = g_auiGoRiceRange[ ruiGoRiceParam ];
390	UInt uiMaxPreLen = g_auiGoRicePrefixLen[ ruiGoRiceParam ];
391
392	do
393	{
394	uiQuotient++;
395	m_pcTDecBinIf->decodeBinEP( uiCodeWord );
396	}
397	while( uiCodeWord && uiQuotient < uiMaxPreLen );
398
399	uiCodeWord = 1 - uiCodeWord;
400	uiQuotient -= uiCodeWord;
401
402	if ( ruiGoRiceParam > 0 )
403	{
404	m_pcTDecBinIf->decodeBinsEP( uiRemainder, ruiGoRiceParam );
405	}
406
407	ruiSymbol = uiRemainder + ( uiQuotient << ruiGoRiceParam );
408	bExGolomb = ruiSymbol == ( uiMaxVlc + 1 );
409
410	if( bExGolomb )
411	{
412	xReadEpExGolomb( uiCodeWord, 0 );
413	ruiSymbol += uiCodeWord;
414	}
415
416	#if EIGHT_BITS_RICE_CODE
417	ruiGoRiceParam = g_aauiGoRiceUpdate[ ruiGoRiceParam ][ min<UInt>( ruiSymbol, 23 ) ];
418	#else
419	ruiGoRiceParam = g_aauiGoRiceUpdate[ ruiGoRiceParam ][ min<UInt>( ruiSymbol, 15 ) ];
420	#endif
421
422	return;
423	}
424
425
426	/** Parse I_PCM information.
427	* \param pcCU
428	* \param uiAbsPartIdx
429	* \param uiDepth
430	* \returns Void
431	*
432	* If I_PCM flag indicates that the CU is I_PCM, parse its PCM alignment bits and codes.
433	*/
434	Void TDecSbac::parseIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
435	{
436	UInt uiSymbol;
437	#if BURST_IPCM
438	Int numSubseqIPCM = 0;
439	Bool readPCMSampleFlag = false;
440
441	if(pcCU->getNumSucIPCM() > 0)
442	{
443	readPCMSampleFlag = true;
444	}
445	else
446	{
447	m_pcTDecBinIf->decodeBinTrm(uiSymbol);
448
449	if (uiSymbol)
450	{
451	readPCMSampleFlag = true;
452	m_pcTDecBinIf->decodeNumSubseqIPCM(numSubseqIPCM);
453	pcCU->setNumSucIPCM(numSubseqIPCM + 1);
454	m_pcTDecBinIf->decodePCMAlignBits();
455	}
456	}
457	#else
458	m_pcTDecBinIf->decodeBinTrm(uiSymbol);
459	#endif
460
461	#if BURST_IPCM
462	if (readPCMSampleFlag == true)
463	#else
464	if (uiSymbol)
465	#endif
466	{
467	Bool bIpcmFlag = true;
468
469	#if !BURST_IPCM
470	m_pcTDecBinIf->decodePCMAlignBits();
471	#endif
472
473	pcCU->setPartSizeSubParts ( SIZE_2Nx2N, uiAbsPartIdx, uiDepth );
474	pcCU->setSizeSubParts ( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth );
475	pcCU->setIPCMFlagSubParts ( bIpcmFlag, uiAbsPartIdx, uiDepth );
476
477	UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight();
478	UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx;
479	UInt uiChromaOffset = uiLumaOffset>>2;
480
481	Pel* piPCMSample;
482	UInt uiWidth;
483	UInt uiHeight;
484	UInt uiSampleBits;
485	UInt uiX, uiY;
486
487	piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset;
488	uiWidth = pcCU->getWidth(uiAbsPartIdx);
489	uiHeight = pcCU->getHeight(uiAbsPartIdx);
490	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma();
491
492	for(uiY = 0; uiY < uiHeight; uiY++)
493	{
494	for(uiX = 0; uiX < uiWidth; uiX++)
495	{
496	UInt uiSample;
497	m_pcTDecBinIf->xReadPCMCode(uiSampleBits, uiSample);
498	piPCMSample[uiX] = uiSample;
499	}
500	piPCMSample += uiWidth;
501	}
502
503	piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset;
504	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
505	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
506	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
507
508	for(uiY = 0; uiY < uiHeight; uiY++)
509	{
510	for(uiX = 0; uiX < uiWidth; uiX++)
511	{
512	UInt uiSample;
513	m_pcTDecBinIf->xReadPCMCode(uiSampleBits, uiSample);
514	piPCMSample[uiX] = uiSample;
515	}
516	piPCMSample += uiWidth;
517	}
518
519	piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset;
520	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
521	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
522	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
523
524	for(uiY = 0; uiY < uiHeight; uiY++)
525	{
526	for(uiX = 0; uiX < uiWidth; uiX++)
527	{
528	UInt uiSample;
529	m_pcTDecBinIf->xReadPCMCode(uiSampleBits, uiSample);
530	piPCMSample[uiX] = uiSample;
531	}
532	piPCMSample += uiWidth;
533	}
534
535	#if BURST_IPCM
536	pcCU->setNumSucIPCM( pcCU->getNumSucIPCM() - 1);
537	if(pcCU->getNumSucIPCM() == 0)
538	{
539	m_pcTDecBinIf->resetBac();
540	}
541	#else
542	m_pcTDecBinIf->resetBac();
543	#endif
544	}
545	}
546
547	/** parse skip flag
548	* \param pcCU
549	* \param uiAbsPartIdx
550	* \param uiDepth
551	* \returns Void
552	*/
553	Void TDecSbac::parseSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
554	{
555	if( pcCU->getSlice()->isIntra() )
556	{
557	return;
558	}
559
560	UInt uiSymbol = 0;
561	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx );
562	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
563	DTRACE_CABAC_VL( g_nSymbolCounter++ );
564	DTRACE_CABAC_T( "\tSkipFlag" );
565	DTRACE_CABAC_T( "\tuiCtxSkip: ");
566	DTRACE_CABAC_V( uiCtxSkip );
567	DTRACE_CABAC_T( "\tuiSymbol: ");
568	DTRACE_CABAC_V( uiSymbol );
569	DTRACE_CABAC_T( "\n");
570
571	if( uiSymbol )
572	{
573	pcCU->setPredModeSubParts( MODE_SKIP, uiAbsPartIdx, uiDepth );
574	pcCU->setPartSizeSubParts( SIZE_2Nx2N, uiAbsPartIdx, uiDepth );
575	pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth );
576	pcCU->setMergeFlagSubParts( true , uiAbsPartIdx, 0, uiDepth );
577	}
578	}
579
580	/** parse merge flag
581	* \param pcCU
582	* \param uiAbsPartIdx
583	* \param uiDepth
584	* \param uiPUIdx
585	* \returns Void
586	*/
587	Void TDecSbac::parseMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx )
588	{
589	UInt uiSymbol;
590	m_pcTDecBinIf->decodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
591	pcCU->setMergeFlagSubParts( uiSymbol ? true : false, uiAbsPartIdx, uiPUIdx, uiDepth );
592
593	DTRACE_CABAC_VL( g_nSymbolCounter++ );
594	DTRACE_CABAC_T( "\tMergeFlag: " );
595	DTRACE_CABAC_V( uiSymbol );
596	DTRACE_CABAC_T( "\tAddress: " );
597	DTRACE_CABAC_V( pcCU->getAddr() );
598	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
599	DTRACE_CABAC_V( uiAbsPartIdx );
600	DTRACE_CABAC_T( "\n" );
601	}
602
603	Void TDecSbac::parseMergeIndex ( TComDataCU* pcCU, UInt& ruiMergeIndex, UInt uiAbsPartIdx, UInt uiDepth )
604	{
605	UInt uiNumCand = MRG_MAX_NUM_CANDS;
606	#if !MRG_IDX_CTX_RED
607	UInt auiCtx[4] = { 0, 1, 2, 3 };
608	#endif
609	UInt uiUnaryIdx = 0;
610	uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
611	#if HHI_MPI
612	const Bool bMVIAvailable = pcCU->getSlice()->getSPS()->getUseMVI() && pcCU->getSlice()->getSliceType() != I_SLICE;
613	const UInt uiMviMergePos = bMVIAvailable ? HHI_MPI_MERGE_POS : uiNumCand;
614	#endif
615	if ( uiNumCand > 1 )
616	{
617	for( ; uiUnaryIdx < uiNumCand - 1; ++uiUnaryIdx )
618	{
619	UInt uiSymbol = 0;
620	#if MRG_IDX_CTX_RED
621	if ( uiUnaryIdx==0 )
622	{
623	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
624	}
625	else
626	{
627	m_pcTDecBinIf->decodeBinEP( uiSymbol );
628	}
629	#else
630	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, auiCtx[uiUnaryIdx] ) );
631	#endif
632	if( uiSymbol == 0 )
633	{
634	break;
635	}
636	}
637	}
638	ruiMergeIndex = uiUnaryIdx;
639
640	DTRACE_CABAC_VL( g_nSymbolCounter++ )
641	DTRACE_CABAC_T( "\tparseMergeIndex()" )
642	DTRACE_CABAC_T( "\tuiMRGIdx= " )
643	DTRACE_CABAC_V( ruiMergeIndex )
644	DTRACE_CABAC_T( "\n" )
645	#if HHI_MPI
646	if( ruiMergeIndex > uiMviMergePos )
647	{
648	assert( bMVIAvailable );
649	ruiMergeIndex--;
650	}
651	else if( ruiMergeIndex == uiMviMergePos )
652	{
653	assert( bMVIAvailable );
654	pcCU->setTextureModeDepthSubParts( uiDepth, uiAbsPartIdx, uiDepth );
655	}
656	#endif
657	}
658
659	#if HHI_INTER_VIEW_RESIDUAL_PRED
660	Void
661	TDecSbac::parseResPredFlag( TComDataCU* pcCU, Bool& rbResPredFlag, UInt uiAbsPartIdx, UInt uiDepth )
662	{
663	UInt uiCtx = pcCU->getCtxResPredFlag( uiAbsPartIdx );
664	UInt uiSymbol = 0;
665	m_pcTDecBinIf->decodeBin( uiSymbol, m_cResPredFlagSCModel.get( 0, 0, uiCtx ) );
666	rbResPredFlag = ( uiSymbol != 0 );
667	}
668	#endif
669
670	#if HHI_INTER_VIEW_MOTION_PRED
671	Void TDecSbac::parseMVPIdx ( Int& riMVPIdx, Int iNumAMVPCands )
672	{
673	UInt uiSymbol;
674	xReadUnaryMaxSymbol(uiSymbol, m_cMVPIdxSCModel.get(0), 1, iNumAMVPCands-1);
675	riMVPIdx = uiSymbol;
676	}
677	#else
678	Void TDecSbac::parseMVPIdx ( Int& riMVPIdx )
679	{
680	UInt uiSymbol;
681	xReadUnaryMaxSymbol(uiSymbol, m_cMVPIdxSCModel.get(0), 1, AMVP_MAX_NUM_CANDS-1);
682	riMVPIdx = uiSymbol;
683	}
684	#endif
685
686	Void TDecSbac::parseSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
687	{
688	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
689	{
690	pcCU->setDepthSubParts( uiDepth, uiAbsPartIdx );
691	return;
692	}
693
694	UInt uiSymbol;
695	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSplitFlagSCModel.get( 0, 0, pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth ) ) );
696	DTRACE_CABAC_VL( g_nSymbolCounter++ )
697	DTRACE_CABAC_T( "\tSplitFlag\n" )
698	pcCU->setDepthSubParts( uiDepth + uiSymbol, uiAbsPartIdx );
699
700	return;
701	}
702
703	/** parse partition size
704	* \param pcCU
705	* \param uiAbsPartIdx
706	* \param uiDepth
707	* \returns Void
708	*/
709	Void TDecSbac::parsePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
710	{
711	UInt uiSymbol, uiMode = 0;
712	PartSize eMode;
713
714	if ( pcCU->isIntra( uiAbsPartIdx ) )
715	{
716	uiSymbol = 1;
717	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
718	{
719	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, 0) );
720	}
721	eMode = uiSymbol ? SIZE_2Nx2N : SIZE_NxN;
722	UInt uiTrLevel = 0;
723	UInt uiWidthInBit = g_aucConvertToBit[pcCU->getWidth(uiAbsPartIdx)]+2;
724	UInt uiTrSizeInBit = g_aucConvertToBit[pcCU->getSlice()->getSPS()->getMaxTrSize()]+2;
725	uiTrLevel = uiWidthInBit >= uiTrSizeInBit ? uiWidthInBit - uiTrSizeInBit : 0;
726	if( eMode == SIZE_NxN )
727	{
728	pcCU->setTrIdxSubParts( 1+uiTrLevel, uiAbsPartIdx, uiDepth );
729	}
730	else
731	{
732	pcCU->setTrIdxSubParts( uiTrLevel, uiAbsPartIdx, uiDepth );
733	}
734	}
735	else
736	{
737	UInt uiMaxNumBits = 2;
738	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getSlice()->getSPS()->getDisInter4x4() && (g_uiMaxCUWidth>>uiDepth) == 8 && (g_uiMaxCUHeight>>uiDepth) == 8 ) )
739	{
740	uiMaxNumBits ++;
741	}
742	for ( UInt ui = 0; ui < uiMaxNumBits; ui++ )
743	{
744	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPartSizeSCModel.get( 0, 0, ui) );
745	if ( uiSymbol )
746	{
747	break;
748	}
749	uiMode++;
750	}
751	eMode = (PartSize) uiMode;
752	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
753	{
754	if (eMode == SIZE_2NxN)
755	{
756	#if AMP_CTX
757	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUAMPSCModel.get( 0, 0, 0 ));
758	#else
759	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUYPosiSCModel.get( 0, 0, 0 ));
760	#endif
761	if (uiSymbol == 0)
762	{
763	#if AMP_CTX
764	m_pcTDecBinIf->decodeBinEP(uiSymbol);
765	#else
766	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUYPosiSCModel.get( 0, 0, 1 ));
767	#endif
768	eMode = (uiSymbol == 0? SIZE_2NxnU : SIZE_2NxnD);
769	}
770	}
771	else if (eMode == SIZE_Nx2N)
772	{
773	#if AMP_CTX
774	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUAMPSCModel.get( 0, 0, 0 ));
775	#else
776	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUXPosiSCModel.get( 0, 0, 0 ));
777	#endif
778	if (uiSymbol == 0)
779	{
780	#if AMP_CTX
781	m_pcTDecBinIf->decodeBinEP(uiSymbol);
782	#else
783	m_pcTDecBinIf->decodeBin(uiSymbol, m_cCUXPosiSCModel.get( 0, 0, 1 ));
784	#endif
785	eMode = (uiSymbol == 0? SIZE_nLx2N : SIZE_nRx2N);
786	}
787	}
788	}
789	}
790	pcCU->setPartSizeSubParts( eMode, uiAbsPartIdx, uiDepth );
791	pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth );
792	}
793
794	/** parse prediction mode
795	* \param pcCU
796	* \param uiAbsPartIdx
797	* \param uiDepth
798	* \returns Void
799	*/
800	Void TDecSbac::parsePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
801	{
802	if( pcCU->getSlice()->isIntra() )
803	{
804	pcCU->setPredModeSubParts( MODE_INTRA, uiAbsPartIdx, uiDepth );
805	return;
806	}
807
808	UInt uiSymbol;
809	Int iPredMode = MODE_INTER;
810	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
811	iPredMode += uiSymbol;
812	pcCU->setPredModeSubParts( (PredMode)iPredMode, uiAbsPartIdx, uiDepth );
813	}
814
815	Void TDecSbac::parseIntraDirLumaAng ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
816	{
817	UInt uiSymbol;
818	Int intraPredMode;
819
820	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
821	UInt uiFlag = 0;
822	if( pcCU->getSlice()->getSPS()->getUseDMM() && (g_uiMaxCUWidth>>uiDepth) <= DMM_WEDGEMODEL_MAX_SIZE )
823	{
824	m_pcTDecBinIf->decodeBin( uiFlag, m_cDmmFlagSCModel.get(0, 0, 0) );
825	}
826	if( uiFlag )
827	{
828	UInt uiDMMode;
829
830	#if HHI_DMM_WEDGE_INTRA && HHI_DMM_PRED_TEX
831	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode = uiSymbol;
832	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode \|= uiSymbol << 1;
833	if ( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && g_uiMaxCUWidth>>uiDepth > 4 )
834	{
835	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode \|= uiSymbol << 2;
836	}
837	#else
838	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode = uiSymbol;
839	if ( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && g_uiMaxCUWidth>>uiDepth > 4 )
840	{
841	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmModeSCModel.get(0, 0, 0) ); uiDMMode \|= uiSymbol << 1;
842	}
843	#endif
844	intraPredMode = uiDMMode + NUM_INTRA_MODE;
845
846	#if HHI_DMM_WEDGE_INTRA
847	if( intraPredMode == DMM_WEDGE_FULL_IDX ) { xParseWedgeFullInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
848	if( intraPredMode == DMM_WEDGE_FULL_D_IDX ) { xParseWedgeFullDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
849	if( intraPredMode == DMM_WEDGE_PREDDIR_IDX ) { xParseWedgePredDirInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
850	if( intraPredMode == DMM_WEDGE_PREDDIR_D_IDX ) { xParseWedgePredDirDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
851	#endif
852	#if HHI_DMM_PRED_TEX
853	if( intraPredMode == DMM_WEDGE_PREDTEX_D_IDX ) { xParseWedgePredTexDeltaInfo ( pcCU, uiAbsPartIdx, uiDepth ); }
854	if( intraPredMode == DMM_CONTOUR_PREDTEX_D_IDX ) { xParseContourPredTexDeltaInfo( pcCU, uiAbsPartIdx, uiDepth ); }
855	#endif
856	}
857	else
858	{
859	#endif
860	#if !LOGI_INTRA_NAME_3MPM
861	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
862	#endif
863
864	#if LGE_EDGE_INTRA
865	Bool bCodeEdgeIntra = false;
866	if( pcCU->getSlice()->getSPS()->isDepth() )
867	{
868	UInt uiPUWidth = pcCU->getWidth( uiAbsPartIdx ) >> (pcCU->getPartitionSize( uiAbsPartIdx ) == SIZE_NxN ? 1 : 0);
869	if( uiPUWidth <= LGE_EDGE_INTRA_MAX_SIZE && uiPUWidth >= LGE_EDGE_INTRA_MIN_SIZE )
870	bCodeEdgeIntra = true;
871	}
872	#endif
873
874	#if LOGI_INTRA_NAME_3MPM
875	Int uiPreds[3] = {-1, -1, -1};
876	#else
877	Int uiPreds[2] = {-1, -1};
878	#endif
879	Int uiPredNum = pcCU->getIntraDirLumaPredictor(uiAbsPartIdx, uiPreds);
880	#if LGE_EDGE_INTRA
881	UInt uiCheckBit = 0;
882	#endif
883
884	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUIntraPredSCModel.get( 0, 0, 0) );
885
886	if ( uiSymbol )
887	{
888	m_pcTDecBinIf->decodeBinEP( uiSymbol );
889	#if LOGI_INTRA_NAME_3MPM
890	if (uiSymbol)
891	{
892	m_pcTDecBinIf->decodeBinEP( uiSymbol );
893	uiSymbol++;
894	}
895	#endif
896	intraPredMode = uiPreds[uiSymbol];
897	}
898	else
899	{
900	intraPredMode = 0;
901
902	#if LOGI_INTRA_NAME_3MPM
903
904	m_pcTDecBinIf->decodeBinsEP( uiSymbol, 5 );
905	#if LGE_EDGE_INTRA
906	if (bCodeEdgeIntra)
907	{
908	if (uiSymbol==31)
909	{
910	m_pcTDecBinIf->decodeBinsEP(uiCheckBit,1);
911	if (uiCheckBit)
912	uiSymbol = EDGE_INTRA_IDX;
913	}
914	}
915	#endif
916	intraPredMode = uiSymbol;
917
918	//postponed sorting of MPMs (only in remaining branch)
919	if (uiPreds[0] > uiPreds[1])
920	{
921	std::swap(uiPreds[0], uiPreds[1]);
922	}
923	if (uiPreds[0] > uiPreds[2])
924	{
925	std::swap(uiPreds[0], uiPreds[2]);
926	}
927	if (uiPreds[1] > uiPreds[2])
928	{
929	std::swap(uiPreds[1], uiPreds[2]);
930	}
931	#else
932	m_pcTDecBinIf->decodeBinsEP( uiSymbol, g_aucIntraModeBitsAng[iIntraIdx] - 1 );
933	intraPredMode = uiSymbol;
934
935	if ( intraPredMode == 31 )
936	{
937	m_pcTDecBinIf->decodeBinEP( uiSymbol );
938	intraPredMode += uiSymbol;
939	}
940	#endif
941	#if LGE_EDGE_INTRA
942	if ( intraPredMode != EDGE_INTRA_IDX)
943	{
944	#endif
945	for ( Int i = 0; i < uiPredNum; i++ )
946	{
947	intraPredMode += ( intraPredMode >= uiPreds[i] );
948	}
949	#if LGE_EDGE_INTRA
950	}
951	#endif
952	}
953
954	#if LGE_EDGE_INTRA
955	if( intraPredMode == EDGE_INTRA_IDX )
956	{
957	xParseEdgeIntraInfo( pcCU, uiAbsPartIdx, uiDepth );
958	#if LGE_EDGE_INTRA_DELTA_DC
959	m_pcTDecBinIf->decodeBin( uiSymbol, m_cEdgeIntraDeltaDCSCModel.get(0, 0, 0) );
960	if( uiSymbol )
961	{
962	intraPredMode = EDGE_INTRA_DELTA_IDX;
963	Int iDeltaDC0;
964	Int iDeltaDC1;
965
966	xReadExGolombLevel( (UInt &) iDeltaDC0, m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
967	if( iDeltaDC0 != 0 )
968	{
969	UInt uiSign;
970	m_pcTDecBinIf->decodeBinEP( uiSign );
971	if ( uiSign )
972	{
973	iDeltaDC0 = -iDeltaDC0;
974	}
975	}
976	xReadExGolombLevel( (UInt &) iDeltaDC1, m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
977	if( iDeltaDC1 != 0 )
978	{
979	UInt uiSign;
980	m_pcTDecBinIf->decodeBinEP( uiSign );
981	if ( uiSign )
982	{
983	iDeltaDC1 = -iDeltaDC1;
984	}
985	}
986
987	pcCU->setEdgeDeltaDC0( uiAbsPartIdx, iDeltaDC0 );
988	pcCU->setEdgeDeltaDC1( uiAbsPartIdx, iDeltaDC1 );
989	}
990	#endif
991	}
992	#endif
993
994	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
995	}
996	#endif
997
998	pcCU->setLumaIntraDirSubParts( (UChar)intraPredMode, uiAbsPartIdx, uiDepth );
999	}
1000
1001	Void TDecSbac::parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
1002	{
1003	UInt uiSymbol;
1004
1005	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1006
1007	if( uiSymbol == 0 )
1008	{
1009	uiSymbol = DM_CHROMA_IDX;
1010	}
1011	else
1012	{
1013	if( pcCU->getSlice()->getSPS()->getUseLMChroma() )
1014	{
1015	m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUChromaPredSCModel.get( 0, 0, 1 ) );
1016	}
1017	else
1018	{
1019	uiSymbol = 1;
1020	}
1021
1022	if( uiSymbol == 0 )
1023	{
1024	uiSymbol = LM_CHROMA_IDX;
1025	}
1026	else
1027	{
1028	UInt uiIPredMode;
1029	#if CHROMA_MODE_CODING
1030	m_pcTDecBinIf->decodeBinsEP( uiIPredMode, 2 );
1031	#else
1032	xReadUnaryMaxSymbol( uiIPredMode, m_cCUChromaPredSCModel.get( 0, 0 ) + 1, 0, 3 );
1033	#endif
1034	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1035	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1036	uiSymbol = uiAllowedChromaDir[ uiIPredMode ];
1037	}
1038	}
1039	pcCU->setChromIntraDirSubParts( uiSymbol, uiAbsPartIdx, uiDepth );
1040	return;
1041	}
1042
1043	Void TDecSbac::parseInterDir( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx, UInt uiDepth )
1044	{
1045	UInt uiSymbol;
1046	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1047	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1048	m_pcTDecBinIf->decodeBin( uiSymbol, *( pCtx + uiCtx ) );
1049
1050	if( uiSymbol )
1051	{
1052	uiSymbol = 2;
1053	}
1054
1055	uiSymbol++;
1056	ruiInterDir = uiSymbol;
1057	return;
1058	}
1059
1060	Void TDecSbac::parseRefFrmIdx( TComDataCU* pcCU, Int& riRefFrmIdx, UInt uiAbsPartIdx, UInt uiDepth, RefPicList eRefList )
1061	{
1062	UInt uiSymbol;
1063
1064	if(pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C ) > 0 && eRefList==REF_PIC_LIST_C)
1065	{
1066	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1067	m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx );
1068
1069	if( uiSymbol )
1070	{
1071	xReadUnaryMaxSymbol( uiSymbol, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_C )-2 );
1072	uiSymbol++;
1073	}
1074	riRefFrmIdx = uiSymbol;
1075	}
1076	else
1077	{
1078	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1079	m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx );
1080
1081	if( uiSymbol )
1082	{
1083	xReadUnaryMaxSymbol( uiSymbol, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( eRefList )-2 );
1084	uiSymbol++;
1085	}
1086	riRefFrmIdx = uiSymbol;
1087	}
1088
1089	return;
1090	}
1091
1092	Void TDecSbac::parseMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList )
1093	{
1094	UInt uiSymbol;
1095	UInt uiHorAbs;
1096	UInt uiVerAbs;
1097	UInt uiHorSign = 0;
1098	UInt uiVerSign = 0;
1099	ContextModel *pCtx = m_cCUMvdSCModel.get( 0 );
1100
1101	#if H0111_MVD_L1_ZERO
1102	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1103	{
1104	uiHorAbs=0;
1105	uiVerAbs=0;
1106	}
1107	else
1108	{
1109	#endif
1110
1111	m_pcTDecBinIf->decodeBin( uiHorAbs, *pCtx );
1112	m_pcTDecBinIf->decodeBin( uiVerAbs, *pCtx );
1113
1114	const Bool bHorAbsGr0 = uiHorAbs != 0;
1115	const Bool bVerAbsGr0 = uiVerAbs != 0;
1116	pCtx++;
1117
1118	if( bHorAbsGr0 )
1119	{
1120	m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx );
1121	uiHorAbs += uiSymbol;
1122	}
1123
1124	if( bVerAbsGr0 )
1125	{
1126	m_pcTDecBinIf->decodeBin( uiSymbol, *pCtx );
1127	uiVerAbs += uiSymbol;
1128	}
1129
1130	if( bHorAbsGr0 )
1131	{
1132	if( 2 == uiHorAbs )
1133	{
1134	xReadEpExGolomb( uiSymbol, 1 );
1135	uiHorAbs += uiSymbol;
1136	}
1137
1138	m_pcTDecBinIf->decodeBinEP( uiHorSign );
1139	}
1140
1141	if( bVerAbsGr0 )
1142	{
1143	if( 2 == uiVerAbs )
1144	{
1145	xReadEpExGolomb( uiSymbol, 1 );
1146	uiVerAbs += uiSymbol;
1147	}
1148
1149	m_pcTDecBinIf->decodeBinEP( uiVerSign );
1150	}
1151
1152	#if H0111_MVD_L1_ZERO
1153	}
1154	#endif
1155
1156	const TComMv cMv( uiHorSign ? -Int( uiHorAbs ): uiHorAbs, uiVerSign ? -Int( uiVerAbs ) : uiVerAbs );
1157	pcCU->getCUMvField( eRefList )->setAllMvd( cMv, pcCU->getPartitionSize( uiAbsPartIdx ), uiAbsPartIdx, uiDepth, uiPartIdx );
1158	return;
1159	}
1160
1161
1162	Void TDecSbac::parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize )
1163	{
1164	m_pcTDecBinIf->decodeBin( ruiSubdivFlag, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiLog2TransformBlockSize ) );
1165	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1166	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
1167	DTRACE_CABAC_T( "\tsymbol=" )
1168	DTRACE_CABAC_V( ruiSubdivFlag )
1169	DTRACE_CABAC_T( "\tctx=" )
1170	DTRACE_CABAC_V( uiLog2TransformBlockSize )
1171	DTRACE_CABAC_T( "\n" )
1172	}
1173
1174	Void TDecSbac::parseQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt& uiQtRootCbf )
1175	{
1176	UInt uiSymbol;
1177	const UInt uiCtx = 0;
1178	m_pcTDecBinIf->decodeBin( uiSymbol , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1179	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1180	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1181	DTRACE_CABAC_T( "\tsymbol=" )
1182	DTRACE_CABAC_V( uiSymbol )
1183	DTRACE_CABAC_T( "\tctx=" )
1184	DTRACE_CABAC_V( uiCtx )
1185	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1186	DTRACE_CABAC_V( uiAbsPartIdx )
1187	DTRACE_CABAC_T( "\n" )
1188
1189	uiQtRootCbf = uiSymbol;
1190	}
1191
1192	Void TDecSbac::parseDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
1193	{
1194	#if H0736_AVC_STYLE_QP_RANGE
1195	Int qp;
1196	#endif
1197	UInt uiDQp;
1198	Int iDQp;
1199
1200	m_pcTDecBinIf->decodeBin( uiDQp, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) );
1201
1202	if ( uiDQp == 0 )
1203	{
1204	#if H0736_AVC_STYLE_QP_RANGE
1205	qp = pcCU->getRefQP(uiAbsPartIdx);
1206	#else
1207	uiDQp = pcCU->getRefQP(uiAbsPartIdx);
1208	#endif
1209	}
1210	else
1211	{
1212	UInt uiSign;
1213	#if H0736_AVC_STYLE_QP_RANGE
1214	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY();
1215	#else
1216	UInt uiQpBdOffsetY = 6*(g_uiBitIncrement + g_uiBitDepth - 8);
1217	#endif
1218	m_pcTDecBinIf->decodeBinEP(uiSign);
1219
1220	#if H0736_AVC_STYLE_QP_RANGE
1221	UInt uiMaxAbsDQpMinus1 = 24 + (qpBdOffsetY/2) + (uiSign);
1222	#else
1223	UInt uiMaxAbsDQpMinus1 = 24 + (uiQpBdOffsetY/2) + (uiSign);
1224	#endif
1225	UInt uiAbsDQpMinus1;
1226	xReadUnaryMaxSymbol (uiAbsDQpMinus1, &m_cCUDeltaQpSCModel.get( 0, 0, 1 ), 1, uiMaxAbsDQpMinus1);
1227
1228	iDQp = uiAbsDQpMinus1 + 1;
1229
1230	if(uiSign)
1231	{
1232	iDQp = -iDQp;
1233	}
1234
1235	#if H0736_AVC_STYLE_QP_RANGE
1236	qp = (((Int) pcCU->getRefQP( uiAbsPartIdx ) + iDQp + 52 + 2*qpBdOffsetY )%(52+qpBdOffsetY)) - qpBdOffsetY;
1237	#else
1238	#if LOSSLESS_CODING
1239	uiDQp = (pcCU->getRefQP(uiAbsPartIdx) + iDQp + 52) % 52;
1240	#else
1241	uiDQp = pcCU->getRefQP(uiAbsPartIdx) + iDQp;
1242	#endif
1243	#endif
1244	}
1245
1246	UInt uiAbsQpCUPartIdx = (uiAbsPartIdx>>(8-(pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()<<1)))<<(8-(pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()<<1)) ;
1247	UInt uiQpCUDepth = min(uiDepth,pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()) ;
1248	#if H0736_AVC_STYLE_QP_RANGE
1249	pcCU->setQPSubParts( qp, uiAbsQpCUPartIdx, uiQpCUDepth );
1250	#else
1251	pcCU->setQPSubParts( uiDQp, uiAbsQpCUPartIdx, uiQpCUDepth );
1252	#endif
1253	}
1254
1255	Void TDecSbac::parseQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth )
1256	{
1257	UInt uiSymbol;
1258	const UInt uiCtx = pcCU->getCtxQtCbf( uiAbsPartIdx, eType, uiTrDepth );
1259	m_pcTDecBinIf->decodeBin( uiSymbol , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA: eType, uiCtx ) );
1260
1261	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1262	DTRACE_CABAC_T( "\tparseQtCbf()" )
1263	DTRACE_CABAC_T( "\tsymbol=" )
1264	DTRACE_CABAC_V( uiSymbol )
1265	DTRACE_CABAC_T( "\tctx=" )
1266	DTRACE_CABAC_V( uiCtx )
1267	DTRACE_CABAC_T( "\tetype=" )
1268	DTRACE_CABAC_V( eType )
1269	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1270	DTRACE_CABAC_V( uiAbsPartIdx )
1271	DTRACE_CABAC_T( "\n" )
1272
1273	pcCU->setCbfSubParts( uiSymbol << uiTrDepth, eType, uiAbsPartIdx, uiDepth );
1274	}
1275
1276	/** Parse (X,Y) position of the last significant coefficient
1277	* \param uiPosLastX reference to X component of last coefficient
1278	* \param uiPosLastY reference to Y component of last coefficient
1279	* \param width Block width
1280	* \param height Block height
1281	* \param eTType plane type / luminance or chrominance
1282	* \param uiScanIdx scan type (zig-zag, hor, ver)
1283	*
1284	* This method decodes the X and Y component within a block of the last significant coefficient.
1285	*/
1286	Void TDecSbac::parseLastSignificantXY( UInt& uiPosLastX, UInt& uiPosLastY, Int width, Int height, TextType eTType, UInt uiScanIdx )
1287	{
1288	UInt uiLast;
1289	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
1290	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
1291
1292	// posX
1293	#if LAST_CTX_REDUCTION
1294	Int widthCtx = eTType ? 4 : width;
1295	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ widthCtx ] ( g_aucConvertToBit[ widthCtx ] + 3 ) );
1296	#else
1297	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ width ] ( g_aucConvertToBit[ width ] + 3 ) );
1298	#endif
1299	for( uiPosLastX = 0; uiPosLastX < g_uiGroupIdx[ width - 1 ]; uiPosLastX++ )
1300	{
1301	#if LAST_CTX_REDUCTION
1302	if ( eTType )
1303	{
1304	m_pcTDecBinIf->decodeBin( uiLast, *( pCtxX + (uiPosLastX>>g_aucConvertToBit[ width ]) ) );
1305	}
1306	else
1307	{
1308	#endif
1309	m_pcTDecBinIf->decodeBin( uiLast, *( pCtxX + puiCtxIdxX[ uiPosLastX ] ) );
1310	#if LAST_CTX_REDUCTION
1311	}
1312	#endif
1313	if( !uiLast )
1314	{
1315	break;
1316	}
1317	}
1318
1319	// posY
1320	#if LAST_CTX_REDUCTION
1321	Int heightCtx = eTType? 4 : height;
1322	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ heightCtx ] ( g_aucConvertToBit[ heightCtx ] + 3 ) );
1323	#else
1324	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ height ] ( g_aucConvertToBit[ height ] + 3 ) );
1325	#endif
1326	for( uiPosLastY = 0; uiPosLastY < g_uiGroupIdx[ height - 1 ]; uiPosLastY++ )
1327	{
1328	#if LAST_CTX_REDUCTION
1329	if (eTType)
1330	{
1331	m_pcTDecBinIf->decodeBin( uiLast, *( pCtxY + (uiPosLastY>>g_aucConvertToBit[ height ]) ) );
1332	}
1333	else
1334	{
1335	#endif
1336	m_pcTDecBinIf->decodeBin( uiLast, *( pCtxY + puiCtxIdxY[ uiPosLastY ] ) );
1337	#if LAST_CTX_REDUCTION
1338	}
1339	#endif
1340	if( !uiLast )
1341	{
1342	break;
1343	}
1344	}
1345	if ( uiPosLastX > 3 )
1346	{
1347	UInt uiTemp = 0;
1348	UInt uiCount = ( uiPosLastX - 2 ) >> 1;
1349	for ( Int i = uiCount - 1; i >= 0; i-- )
1350	{
1351	m_pcTDecBinIf->decodeBinEP( uiLast );
1352	uiTemp += uiLast << i;
1353	}
1354	uiPosLastX = g_uiMinInGroup[ uiPosLastX ] + uiTemp;
1355	}
1356	if ( uiPosLastY > 3 )
1357	{
1358	UInt uiTemp = 0;
1359	UInt uiCount = ( uiPosLastY - 2 ) >> 1;
1360	for ( Int i = uiCount - 1; i >= 0; i-- )
1361	{
1362	m_pcTDecBinIf->decodeBinEP( uiLast );
1363	uiTemp += uiLast << i;
1364	}
1365	uiPosLastY = g_uiMinInGroup[ uiPosLastY ] + uiTemp;
1366	}
1367
1368	if( uiScanIdx == SCAN_VER )
1369	{
1370	swap( uiPosLastX, uiPosLastY );
1371	}
1372	}
1373
1374	Void TDecSbac::parseCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType )
1375	{
1376	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1377	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1378	DTRACE_CABAC_V( eTType )
1379	DTRACE_CABAC_T( "\twidth=" )
1380	DTRACE_CABAC_V( uiWidth )
1381	DTRACE_CABAC_T( "\theight=" )
1382	DTRACE_CABAC_V( uiHeight )
1383	DTRACE_CABAC_T( "\tdepth=" )
1384	DTRACE_CABAC_V( uiDepth )
1385	DTRACE_CABAC_T( "\tabspartidx=" )
1386	DTRACE_CABAC_V( uiAbsPartIdx )
1387	DTRACE_CABAC_T( "\ttoCU-X=" )
1388	DTRACE_CABAC_V( pcCU->getCUPelX() )
1389	DTRACE_CABAC_T( "\ttoCU-Y=" )
1390	DTRACE_CABAC_V( pcCU->getCUPelY() )
1391	DTRACE_CABAC_T( "\tCU-addr=" )
1392	DTRACE_CABAC_V( pcCU->getAddr() )
1393	DTRACE_CABAC_T( "\tinCU-X=" )
1394	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1395	DTRACE_CABAC_T( "\tinCU-Y=" )
1396	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1397	DTRACE_CABAC_T( "\tpredmode=" )
1398	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1399	DTRACE_CABAC_T( "\n" )
1400
1401	if( uiWidth > pcCU->getSlice()->getSPS()->getMaxTrSize() )
1402	{
1403	uiWidth = pcCU->getSlice()->getSPS()->getMaxTrSize();
1404	uiHeight = pcCU->getSlice()->getSPS()->getMaxTrSize();
1405	}
1406
1407	eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA );
1408
1409	//----- parse significance map -----
1410	const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2;
1411	const UInt uiMaxNumCoeff = uiWidth * uiHeight;
1412	const UInt uiMaxNumCoeffM1 = uiMaxNumCoeff - 1;
1413	UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx));
1414	int blockType = uiLog2BlockSize;
1415	if (uiWidth != uiHeight)
1416	{
1417	uiScanIdx = SCAN_DIAG;
1418	blockType = 4;
1419	}
1420
1421	//===== decode last significant =====
1422	UInt uiPosLastX, uiPosLastY;
1423	parseLastSignificantXY( uiPosLastX, uiPosLastY, uiWidth, uiHeight, eTType, uiScanIdx );
1424	UInt uiBlkPosLast = uiPosLastX + (uiPosLastY<<uiLog2BlockSize);
1425	pcCoef[ uiBlkPosLast ] = 1;
1426
1427	//===== decode significance flags =====
1428	UInt uiScanPosLast = uiBlkPosLast;
1429	if (uiScanIdx == SCAN_ZIGZAG)
1430	{
1431	// Map zigzag to diagonal scan
1432	uiScanIdx = SCAN_DIAG;
1433	}
1434	const UInt * scan;
1435	if (uiWidth == uiHeight)
1436	{
1437	scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize-1 ];
1438	}
1439	else
1440	{
1441	scan = g_sigScanNSQT[ uiLog2BlockSize - 2 ];
1442	}
1443	for( uiScanPosLast = 0; uiScanPosLast < uiMaxNumCoeffM1; uiScanPosLast++ )
1444	{
1445	UInt uiBlkPos = scan[ uiScanPosLast ];
1446	if( uiBlkPosLast == uiBlkPos )
1447	{
1448	break;
1449	}
1450	}
1451
1452	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType );
1453	ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA;
1454
1455	const Int iLastScanSet = uiScanPosLast >> LOG2_SCAN_SET_SIZE;
1456	UInt uiNumOne = 0;
1457	UInt uiGoRiceParam = 0;
1458
1459	#if MULTIBITS_DATA_HIDING
1460	UInt const tsig = pcCU->getSlice()->getPPS()->getTSIG();
1461	#if LOSSLESS_CODING
1462	Bool beValid;
1463	if (pcCU->isLosslessCoded(uiAbsPartIdx))
1464	{
1465	beValid = false;
1466	}
1467	else
1468	{
1469	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1470	}
1471	#else
1472	Bool beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1473	#endif
1474	UInt absSum = 0;
1475	#endif // MULTIBITS_DATA_HIDING
1476
1477	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1478	::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1479	const UInt uiNumBlkSide = uiWidth >> (MLS_CG_SIZE >> 1);
1480	const UInt * scanCG;
1481	if (uiWidth == uiHeight)
1482	{
1483	scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ];
1484	#if MULTILEVEL_SIGMAP_EXT
1485	if( uiLog2BlockSize == 3 )
1486	{
1487	scanCG = g_sigLastScan8x8[ uiScanIdx ];
1488	}
1489	else if( uiLog2BlockSize == 5 )
1490	{
1491	scanCG = g_sigLastScanCG32x32;
1492	}
1493	#endif
1494	}
1495	else
1496	{
1497	scanCG = g_sigCGScanNSQT[ uiLog2BlockSize - 2 ];
1498	}
1499	Int iScanPosSig = (Int) uiScanPosLast;
1500	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1501	{
1502	Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE;
1503	uiGoRiceParam = 0;
1504	Int numNonZero = 0;
1505
1506	#if MULTIBITS_DATA_HIDING
1507	Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE;
1508	#endif
1509
1510	Int pos[SCAN_SET_SIZE];
1511	if( iScanPosSig == (Int) uiScanPosLast )
1512	{
1513	#if MULTIBITS_DATA_HIDING
1514	lastNZPosInCG = iScanPosSig;
1515	firstNZPosInCG = iScanPosSig;
1516	#endif
1517	iScanPosSig--;
1518	pos[ numNonZero ] = uiBlkPosLast;
1519	numNonZero = 1;
1520	}
1521
1522	#if !MULTILEVEL_SIGMAP_EXT
1523	if( blockType > 3 )
1524	{
1525	#endif
1526	// decode significant_coeffgroup_flag
1527	Int iCGBlkPos = scanCG[ iSubSet ];
1528	Int iCGPosY = iCGBlkPos / uiNumBlkSide;
1529	Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide);
1530	#if MULTILEVEL_SIGMAP_EXT
1531	if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR \|\| uiScanIdx == SCAN_VER) )
1532	{
1533	iCGPosY = (uiScanIdx == SCAN_HOR ? iCGBlkPos : 0);
1534	iCGPosX = (uiScanIdx == SCAN_VER ? iCGBlkPos : 0);
1535	}
1536	#endif
1537	#if !REMOVE_INFER_SIGGRP
1538	Bool bInferredCGFlag = false;
1539	#endif
1540	#if REMOVE_INFER_SIGGRP
1541	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1542	#else
1543	if( iSubSet == iLastScanSet )
1544	#endif
1545	{
1546	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1547	}
1548	else
1549	{
1550	#if !REMOVE_INFER_SIGGRP
1551	#if MULTILEVEL_SIGMAP_EXT
1552	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight) && ( iSubSet ) )
1553	#else
1554	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight) && ( iSubSet ) )
1555	#endif
1556	{
1557	#endif
1558	UInt uiSigCoeffGroup;
1559	#if MULTILEVEL_SIGMAP_EXT
1560	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight );
1561	#else
1562	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1563	#endif
1564	m_pcTDecBinIf->decodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1565	uiSigCoeffGroupFlag[ iCGBlkPos ] = uiSigCoeffGroup;
1566	#if !REMOVE_INFER_SIGGRP
1567	}
1568	else
1569	{
1570	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1571	bInferredCGFlag = true;
1572	}
1573	#endif
1574	}
1575
1576	// decode significant_coeff_flag
1577	UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig;
1578	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1579	{
1580	uiBlkPos = scan[ iScanPosSig ];
1581	uiPosY = uiBlkPos >> uiLog2BlockSize;
1582	uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1583	uiSig = 0;
1584
1585	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1586	{
1587	#if REMOVE_INFER_SIGGRP
1588	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1589	#else
1590	if( iScanPosSig > iSubPos \|\| bInferredCGFlag \|\| numNonZero )
1591	#endif
1592	{
1593	uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1594	m_pcTDecBinIf->decodeBin( uiSig, baseCtx[ uiCtxSig ] );
1595	}
1596	else
1597	{
1598	uiSig = 1;
1599	}
1600	}
1601	pcCoef[ uiBlkPos ] = uiSig;
1602	if( uiSig )
1603	{
1604	pos[ numNonZero ] = uiBlkPos;
1605	numNonZero ++;
1606	#if MULTIBITS_DATA_HIDING
1607	if( lastNZPosInCG == -1 )
1608	{
1609	lastNZPosInCG = iScanPosSig;
1610	}
1611	firstNZPosInCG = iScanPosSig;
1612	#endif
1613	}
1614	}
1615	#if !MULTILEVEL_SIGMAP_EXT
1616	}
1617	else
1618	{
1619	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1620	{
1621	UInt uiBlkPos = scan[ iScanPosSig ];
1622	UInt uiPosY = uiBlkPos >> uiLog2BlockSize;
1623	UInt uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1624	UInt uiSig = 0;
1625	UInt uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1626	m_pcTDecBinIf->decodeBin( uiSig, baseCtx[ uiCtxSig ] );
1627	pcCoef[ uiBlkPos ] = uiSig;
1628	if( uiSig )
1629	{
1630	pos[ numNonZero ] = uiBlkPos;
1631	numNonZero ++;
1632	#if MULTIBITS_DATA_HIDING
1633	if( lastNZPosInCG == -1 )
1634	{
1635	lastNZPosInCG = iScanPosSig;
1636	}
1637	firstNZPosInCG = iScanPosSig;
1638	#endif
1639	}
1640	}
1641	}
1642	#endif
1643
1644
1645	if( numNonZero )
1646	{
1647	#if MULTIBITS_DATA_HIDING
1648	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= (Int)tsig );
1649	absSum = 0;
1650	#endif // MULTIBITS_DATA_HIDING
1651
1652	UInt c1 = 1;
1653	#if !RESTRICT_GR1GR2FLAG_NUMBER
1654	UInt c2 = 0;
1655	#endif
1656	#if LEVEL_CTX_LUMA_RED
1657	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0;
1658	#else
1659	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 3 : 0;
1660	#endif
1661	UInt uiBin;
1662
1663	if( uiNumOne > 0 )
1664	{
1665	uiCtxSet++;
1666	#if !LEVEL_CTX_LUMA_RED
1667	if(eTType==TEXT_LUMA && uiNumOne > 3)
1668	{
1669	uiCtxSet++;
1670	}
1671	#endif
1672	}
1673
1674	uiNumOne >>= 1;
1675	ContextModel baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet;
1676	Int absCoeff[SCAN_SET_SIZE];
1677
1678	#if RESTRICT_GR1GR2FLAG_NUMBER
1679	for ( Int i = 0; i < numNonZero; i++) absCoeff[i] = 1;
1680	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
1681	Int firstC2FlagIdx = -1;
1682
1683	for( Int idx = 0; idx < numC1Flag; idx++ )
1684	#else
1685	for( Int idx = 0; idx < numNonZero; idx++ )
1686	#endif
1687	{
1688	m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[c1] );
1689	if( uiBin == 1 )
1690	{
1691	c1 = 0;
1692	#if RESTRICT_GR1GR2FLAG_NUMBER
1693	if (firstC2FlagIdx == -1)
1694	{
1695	firstC2FlagIdx = idx;
1696	}
1697	#endif
1698	}
1699	else if( (c1 < 3) && (c1 > 0) )
1700	{
1701	c1++;
1702	}
1703	absCoeff[ idx ] = uiBin + 1;
1704	}
1705
1706	if (c1 == 0)
1707	{
1708	#if RESTRICT_GR1GR2FLAG_NUMBER
1709	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet;
1710	if ( firstC2FlagIdx != -1)
1711	{
1712	m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[0] );
1713	absCoeff[ firstC2FlagIdx ] = uiBin + 2;
1714	}
1715	#else
1716	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + 3 * uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + 3 * uiCtxSet;
1717	for( Int idx = 0; idx < numNonZero; idx++ )
1718	{
1719	if( absCoeff[ idx ] == 2 )
1720	{
1721	m_pcTDecBinIf->decodeBin( uiBin, baseCtxMod[c2] );
1722	absCoeff[ idx ] = uiBin + 2;
1723	c2 += (c2 < 2);
1724	uiNumOne++;
1725	}
1726	}
1727	#endif
1728	}
1729
1730	#if MULTIBITS_DATA_HIDING
1731	UInt coeffSigns;
1732	if ( signHidden && beValid )
1733	{
1734	m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero-1 );
1735	coeffSigns <<= 32 - (numNonZero-1);
1736	}
1737	else
1738	{
1739	m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero );
1740	coeffSigns <<= 32 - numNonZero;
1741	}
1742	#else
1743	UInt coeffSigns;
1744	m_pcTDecBinIf->decodeBinsEP( coeffSigns, numNonZero );
1745	coeffSigns <<= 32 - numNonZero;
1746	#endif
1747
1748	#if RESTRICT_GR1GR2FLAG_NUMBER
1749	Int iFirstCoeff2 = 1;
1750	if (c1 == 0 \|\| numNonZero > C1FLAG_NUMBER)
1751	#else
1752	if (c1 == 0)
1753	#endif
1754	{
1755	for( Int idx = 0; idx < numNonZero; idx++ )
1756	{
1757	#if RESTRICT_GR1GR2FLAG_NUMBER
1758	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2) : 1;
1759
1760	if( absCoeff[ idx ] == baseLevel)
1761	{
1762	UInt uiLevel;
1763	xReadGoRiceExGolomb( uiLevel, uiGoRiceParam );
1764	absCoeff[ idx ] = uiLevel + baseLevel;
1765	}
1766
1767	if(absCoeff[ idx ] >= 2)
1768	{
1769	iFirstCoeff2 = 0;
1770	uiNumOne++;
1771	}
1772	#else
1773	if( absCoeff[ idx ] == 3 )
1774	{
1775	UInt uiLevel;
1776	xReadGoRiceExGolomb( uiLevel, uiGoRiceParam );
1777	absCoeff[ idx ] = uiLevel + 3;
1778	}
1779	#endif
1780	}
1781	}
1782
1783	for( Int idx = 0; idx < numNonZero; idx++ )
1784	{
1785	Int blkPos = pos[ idx ];
1786	#if MULTIBITS_DATA_HIDING
1787	// Signs applied later.
1788	pcCoef[ blkPos ] = absCoeff[ idx ];
1789	absSum += absCoeff[ idx ];
1790
1791	if ( idx == numNonZero-1 && signHidden && beValid )
1792	{
1793	// Infer sign of 1st element.
1794	if (absSum&0x1)
1795	pcCoef[ blkPos ] = -pcCoef[ blkPos ];
1796	}
1797	else
1798	{
1799	Int sign = static_cast<Int>( coeffSigns ) >> 31;
1800	pcCoef[ blkPos ] = ( pcCoef[ blkPos ] ^ sign ) - sign;
1801	coeffSigns <<= 1;
1802	}
1803	#else
1804	Int sign = static_cast<Int>( coeffSigns ) >> 31;
1805	pcCoef[ blkPos ] = ( absCoeff[ idx ] ^ sign ) - sign;
1806	coeffSigns <<= 1;
1807	#endif
1808	}
1809	}
1810	else
1811	{
1812	uiNumOne >>= 1;
1813	}
1814	}
1815
1816	return;
1817	}
1818
1819
1820	#if SAO_UNIT_INTERLEAVING
1821	Void TDecSbac::parseSaoUvlc (UInt& ruiVal)
1822	{
1823	UInt uiCode;
1824	Int i;
1825
1826	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoUvlcSCModel.get( 0, 0, 0 ) );
1827	if ( uiCode == 0 )
1828	{
1829	ruiVal = 0;
1830	return;
1831	}
1832
1833	i=1;
1834	while (1)
1835	{
1836	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoUvlcSCModel.get( 0, 0, 1 ) );
1837	if ( uiCode == 0 ) break;
1838	i++;
1839	}
1840
1841	ruiVal = i;
1842	}
1843
1844	Void TDecSbac::parseSaoSvlc (Int& riVal)
1845	{
1846	UInt uiCode;
1847	Int iSign;
1848	Int i;
1849
1850	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoSvlcSCModel.get( 0, 0, 0 ) );
1851
1852	if ( uiCode == 0 )
1853	{
1854	riVal = 0;
1855	return;
1856	}
1857
1858	// read sign
1859	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoSvlcSCModel.get( 0, 0, 1 ) );
1860
1861	if ( uiCode == 0 )
1862	{
1863	iSign = 1;
1864	}
1865	else
1866	{
1867	iSign = -1;
1868	}
1869
1870	// read magnitude
1871	i=1;
1872	while (1)
1873	{
1874	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoSvlcSCModel.get( 0, 0, 2 ) );
1875	if ( uiCode == 0 ) break;
1876	i++;
1877	}
1878
1879	riVal = i*iSign;
1880	}
1881
1882	Void TDecSbac::parseSaoUflc (UInt& riVal)
1883	{
1884	UInt uiSymbol;
1885	riVal = 0;
1886	for (Int i=0;i<5;i++)
1887	{
1888	m_pcTDecBinIf->decodeBinEP ( uiSymbol );
1889	if (uiSymbol)
1890	{
1891	riVal \|= (1<<i);
1892	}
1893	}
1894	}
1895	Void TDecSbac::parseSaoMergeLeft (UInt& ruiVal, UInt uiCompIdx)
1896	{
1897	UInt uiCode;
1898	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ) );
1899	ruiVal = (Int)uiCode;
1900	}
1901
1902	Void TDecSbac::parseSaoMergeUp (UInt& ruiVal)
1903	{
1904	UInt uiCode;
1905	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoMergeUpSCModel.get( 0, 0, 0 ) );
1906	ruiVal = (Int)uiCode;
1907	}
1908	Void TDecSbac::parseSaoTypeIdx (UInt& ruiVal)
1909	{
1910	UInt uiCode;
1911	Int i;
1912	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
1913	if ( uiCode == 0 )
1914	{
1915	ruiVal = 0;
1916	return;
1917	}
1918	i=1;
1919	while (1)
1920	{
1921	m_pcTDecBinIf->decodeBin( uiCode, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) );
1922	if ( uiCode == 0 ) break;
1923	i++;
1924	}
1925	ruiVal = i;
1926	}
1927
1928	inline Void copySaoOneLcuParam(SaoLcuParam* psDst, SaoLcuParam* psSrc)
1929	{
1930	Int i;
1931	psDst->partIdx = psSrc->partIdx;
1932	psDst->typeIdx = psSrc->typeIdx;
1933	if (psDst->typeIdx != -1)
1934	{
1935	if (psDst->typeIdx == SAO_BO)
1936	{
1937	psDst->bandPosition = psSrc->bandPosition ;
1938	}
1939	else
1940	{
1941	psDst->bandPosition = 0;
1942	}
1943	psDst->length = psSrc->length;
1944	for (i=0;i<psDst->length;i++)
1945	{
1946	psDst->offset[i] = psSrc->offset[i];
1947	}
1948	}
1949	else
1950	{
1951	psDst->length = 0;
1952	for (i=0;i<SAO_BO_LEN;i++)
1953	{
1954	psDst->offset[i] = 0;
1955	}
1956	}
1957	}
1958	Void TDecSbac::parseSaoOffset(SaoLcuParam* psSaoLcuParam)
1959	{
1960	UInt uiSymbol;
1961	Int iSymbol;
1962	static Int iTypeLength[MAX_NUM_SAO_TYPE] = {
1963	SAO_EO_LEN,
1964	SAO_EO_LEN,
1965	SAO_EO_LEN,
1966	SAO_EO_LEN,
1967	SAO_BO_LEN
1968	};
1969
1970	parseSaoTypeIdx(uiSymbol);
1971	psSaoLcuParam->typeIdx = (Int)uiSymbol - 1;
1972	if (uiSymbol)
1973	{
1974	psSaoLcuParam->length = iTypeLength[psSaoLcuParam->typeIdx];
1975	if( psSaoLcuParam->typeIdx == SAO_BO )
1976	{
1977	// Parse Left Band Index
1978	parseSaoUflc( uiSymbol );
1979	psSaoLcuParam->bandPosition = uiSymbol;
1980	for(Int i=0; i< psSaoLcuParam->length; i++)
1981	{
1982	parseSaoSvlc(iSymbol);
1983	psSaoLcuParam->offset[i] = iSymbol;
1984	}
1985	}
1986	else if( psSaoLcuParam->typeIdx < 4 )
1987	{
1988	parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[0] = uiSymbol;
1989	parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[1] = uiSymbol;
1990	parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[2] = -(Int)uiSymbol;
1991	parseSaoUvlc(uiSymbol); psSaoLcuParam->offset[3] = -(Int)uiSymbol;
1992	}
1993	}
1994	else
1995	{
1996	psSaoLcuParam->length = 0;
1997	}
1998	}
1999
2000	Void TDecSbac::parseSaoOneLcuInterleaving(Int rx, Int ry, SAOParam* pSaoParam, TComDataCU* pcCU, Int iCUAddrInSlice, Int iCUAddrUpInSlice, Bool bLFCrossSliceBoundaryFlag)
2001	{
2002	Int iAddr = pcCU->getAddr();
2003	UInt uiSymbol;
2004	for (Int iCompIdx=0; iCompIdx<3; iCompIdx++)
2005	{
2006	pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag = 0;
2007	pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag = 0;
2008	pSaoParam->saoLcuParam[iCompIdx][iAddr].bandPosition = 0;
2009	pSaoParam->saoLcuParam[iCompIdx][iAddr].typeIdx = -1;
2010	pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[0] = 0;
2011	pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[1] = 0;
2012	pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[2] = 0;
2013	pSaoParam->saoLcuParam[iCompIdx][iAddr].offset[3] = 0;
2014
2015	if (pSaoParam->bSaoFlag[iCompIdx])
2016	{
2017	if (rx>0 && iCUAddrInSlice!=0)
2018	{
2019	parseSaoMergeLeft(uiSymbol,iCompIdx); pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag = (Int)uiSymbol;
2020	}
2021	else
2022	{
2023	pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag = 0;
2024	}
2025
2026	if (pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeLeftFlag==0)
2027	{
2028	if ((ry > 0) && (iCUAddrUpInSlice>0\|\|bLFCrossSliceBoundaryFlag))
2029	{
2030	parseSaoMergeUp(uiSymbol); pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag = uiSymbol;
2031	}
2032	else
2033	{
2034	pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag = 0;
2035	}
2036	if (!pSaoParam->saoLcuParam[iCompIdx][iAddr].mergeUpFlag)
2037	{
2038	parseSaoOffset(&(pSaoParam->saoLcuParam[iCompIdx][iAddr]));
2039	}
2040	else
2041	{
2042	copySaoOneLcuParam(&pSaoParam->saoLcuParam[iCompIdx][iAddr], &pSaoParam->saoLcuParam[iCompIdx][iAddr-pSaoParam->numCuInWidth]);
2043	}
2044	}
2045	else
2046	{
2047	copySaoOneLcuParam(&pSaoParam->saoLcuParam[iCompIdx][iAddr], &pSaoParam->saoLcuParam[iCompIdx][iAddr-1]);
2048	}
2049	}
2050	else
2051	{
2052	pSaoParam->saoLcuParam[iCompIdx][iAddr].typeIdx = -1;
2053	pSaoParam->saoLcuParam[iCompIdx][iAddr].bandPosition = 0;
2054	}
2055	}
2056	}
2057	#endif
2058
2059	/**
2060	- Initialize our contexts from the nominated source.
2061	.
2062	\param pSrc Contexts to be copied.
2063	*/
2064	Void TDecSbac::xCopyContextsFrom( TDecSbac* pSrc )
2065	{
2066	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2067	}
2068
2069	Void TDecSbac::xCopyFrom( TDecSbac* pSrc )
2070	{
2071	m_pcTDecBinIf->copyState( pSrc->m_pcTDecBinIf );
2072
2073	m_uiLastQp = pSrc->m_uiLastQp;
2074	xCopyContextsFrom( pSrc );
2075
2076	}
2077
2078	Void TDecSbac::load ( TDecSbac* pScr )
2079	{
2080	xCopyFrom(pScr);
2081	}
2082
2083	Void TDecSbac::loadContexts ( TDecSbac* pScr )
2084	{
2085	xCopyContextsFrom(pScr);
2086	}
2087
2088	#if OL_FLUSH
2089	Void TDecSbac::decodeFlush ( )
2090	{
2091	UInt uiBit;
2092	m_pcTDecBinIf->decodeBinTrm(uiBit);
2093	m_pcTDecBinIf->flush();
2094
2095	}
2096	#endif
2097
2098	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX \|\| (LGE_EDGE_INTRA && LGE_EDGE_INTRA_DELTA_DC)
2099	Void TDecSbac::xReadExGolombLevel( UInt& ruiSymbol, ContextModel& rcSCModel )
2100	{
2101	UInt uiSymbol;
2102	UInt uiCount = 0;
2103	do
2104	{
2105	m_pcTDecBinIf->decodeBin( uiSymbol, rcSCModel );
2106	uiCount++;
2107	}
2108	while( uiSymbol && ( uiCount != 13 ) );
2109
2110	ruiSymbol = uiCount - 1;
2111
2112	if( uiSymbol )
2113	{
2114	xReadEpExGolomb( uiSymbol, 0 );
2115	ruiSymbol += uiSymbol + 1;
2116	}
2117
2118	return;
2119	}
2120	#endif
2121	#if HHI_DMM_WEDGE_INTRA
2122	Void TDecSbac::xParseWedgeFullInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2123	{
2124	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2125	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2126
2127	UInt uiSymbol, uiTabIdx = 0;
2128	for ( Int i = 0; i < iBits; i++ )
2129	{
2130	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 0) );
2131	uiTabIdx += ( uiSymbol && i == 0 ) ? 1 : 0;
2132	uiTabIdx += ( uiSymbol && i == 1 ) ? 2 : 0;
2133	uiTabIdx += ( uiSymbol && i == 2 ) ? 4 : 0;
2134	uiTabIdx += ( uiSymbol && i == 3 ) ? 8 : 0;
2135	uiTabIdx += ( uiSymbol && i == 4 ) ? 16 : 0;
2136	uiTabIdx += ( uiSymbol && i == 5 ) ? 32 : 0;
2137	uiTabIdx += ( uiSymbol && i == 6 ) ? 64 : 0;
2138	uiTabIdx += ( uiSymbol && i == 7 ) ? 128 : 0;
2139	uiTabIdx += ( uiSymbol && i == 8 ) ? 256 : 0;
2140	uiTabIdx += ( uiSymbol && i == 9 ) ? 512 : 0;
2141	uiTabIdx += ( uiSymbol && i == 10 ) ? 1024 : 0;
2142	uiTabIdx += ( uiSymbol && i == 11 ) ? 2048 : 0;
2143	uiTabIdx += ( uiSymbol && i == 12 ) ? 4096 : 0;
2144	}
2145
2146	pcCU->setWedgeFullTabIdxSubParts( uiTabIdx, uiAbsPartIdx, uiDepth );
2147	}
2148
2149	Void TDecSbac::xParseWedgeFullDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2150	{
2151	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2152	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2153
2154	UInt uiSymbol, uiTabIdx = 0;
2155	for ( Int i = 0; i < iBits; i++ )
2156	{
2157	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 0) );
2158	uiTabIdx += ( uiSymbol && i == 0 ) ? 1 : 0;
2159	uiTabIdx += ( uiSymbol && i == 1 ) ? 2 : 0;
2160	uiTabIdx += ( uiSymbol && i == 2 ) ? 4 : 0;
2161	uiTabIdx += ( uiSymbol && i == 3 ) ? 8 : 0;
2162	uiTabIdx += ( uiSymbol && i == 4 ) ? 16 : 0;
2163	uiTabIdx += ( uiSymbol && i == 5 ) ? 32 : 0;
2164	uiTabIdx += ( uiSymbol && i == 6 ) ? 64 : 0;
2165	uiTabIdx += ( uiSymbol && i == 7 ) ? 128 : 0;
2166	uiTabIdx += ( uiSymbol && i == 8 ) ? 256 : 0;
2167	uiTabIdx += ( uiSymbol && i == 9 ) ? 512 : 0;
2168	uiTabIdx += ( uiSymbol && i == 10 ) ? 1024 : 0;
2169	uiTabIdx += ( uiSymbol && i == 11 ) ? 2048 : 0;
2170	uiTabIdx += ( uiSymbol && i == 12 ) ? 4096 : 0;
2171	}
2172
2173	pcCU->setWedgeFullTabIdxSubParts( uiTabIdx, uiAbsPartIdx, uiDepth );
2174
2175	UInt uiDC1, uiDC2;
2176	xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) );
2177	Int iDC1 = uiDC1;
2178	if ( uiDC1 )
2179	{
2180	UInt uiSign;
2181	m_pcTDecBinIf->decodeBinEP( uiSign );
2182	if ( uiSign )
2183	{
2184	iDC1 = -iDC1;
2185	}
2186	}
2187	xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) );
2188	Int iDC2 = uiDC2;
2189	if ( uiDC2 )
2190	{
2191	UInt uiSign;
2192	m_pcTDecBinIf->decodeBinEP( uiSign );
2193	if ( uiSign )
2194	{
2195	iDC2 = -iDC2;
2196	}
2197	}
2198
2199	pcCU->setWedgeFullDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth );
2200	pcCU->setWedgeFullDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth );
2201	}
2202
2203	Void TDecSbac::xParseWedgePredDirInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2204	{
2205	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2206	{
2207	UInt uiDeltaEnd = 0;
2208	m_pcTDecBinIf->decodeBin( uiDeltaEnd, m_cDmmDataSCModel.get(0, 0, 2) );
2209
2210	Int iDeltaEnd;
2211	if( uiDeltaEnd != 0 )
2212	{
2213	UInt uiAbsValMinus1;
2214	UInt uiSymbol;
2215	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 = uiSymbol;
2216	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 \|= uiSymbol << 1;
2217	uiDeltaEnd = uiAbsValMinus1 + 1;
2218
2219	iDeltaEnd = uiDeltaEnd;
2220	UInt uiSign;
2221	m_pcTDecBinIf->decodeBinEP( uiSign );
2222	if( uiSign )
2223	{
2224	iDeltaEnd = -iDeltaEnd;
2225	}
2226	}
2227	else
2228	{
2229	iDeltaEnd = 0;
2230	}
2231	pcCU->setWedgePredDirDeltaEndSubParts( iDeltaEnd, uiAbsPartIdx, uiDepth );
2232	}
2233	}
2234
2235	Void TDecSbac::xParseWedgePredDirDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2236	{
2237	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2238	{
2239	UInt uiDeltaEnd = 0;
2240	m_pcTDecBinIf->decodeBin( uiDeltaEnd, m_cDmmDataSCModel.get(0, 0, 2) );
2241
2242	Int iDeltaEnd;
2243	if( uiDeltaEnd != 0 )
2244	{
2245	UInt uiAbsValMinus1;
2246	UInt uiSymbol;
2247	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 = uiSymbol;
2248	m_pcTDecBinIf->decodeBin( uiSymbol, m_cDmmDataSCModel.get(0, 0, 2) ); uiAbsValMinus1 \|= uiSymbol << 1;
2249	uiDeltaEnd = uiAbsValMinus1 + 1;
2250
2251	iDeltaEnd = uiDeltaEnd;
2252	UInt uiSign;
2253	m_pcTDecBinIf->decodeBinEP( uiSign );
2254	if( uiSign )
2255	{
2256	iDeltaEnd = -iDeltaEnd;
2257	}
2258	}
2259	else
2260	{
2261	iDeltaEnd = 0;
2262	}
2263
2264	pcCU->setWedgePredDirDeltaEndSubParts( iDeltaEnd, uiAbsPartIdx, uiDepth );
2265	}
2266
2267	UInt uiDC1, uiDC2;
2268	xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) );
2269	Int iDC1 = uiDC1;
2270	if ( uiDC1 )
2271	{
2272	UInt uiSign;
2273	m_pcTDecBinIf->decodeBinEP( uiSign );
2274	if ( uiSign )
2275	{
2276	iDC1 = -iDC1;
2277	}
2278	}
2279	xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) );
2280	Int iDC2 = uiDC2;
2281	if ( uiDC2 )
2282	{
2283	UInt uiSign;
2284	m_pcTDecBinIf->decodeBinEP( uiSign );
2285	if ( uiSign )
2286	{
2287	iDC2 = -iDC2;
2288	}
2289	}
2290
2291	pcCU->setWedgePredDirDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth );
2292	pcCU->setWedgePredDirDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth );
2293	}
2294	#endif
2295	#if HHI_DMM_PRED_TEX
2296	Void TDecSbac::xParseWedgePredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2297	{
2298	UInt uiDC1, uiDC2;
2299	xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) );
2300	Int iDC1 = uiDC1;
2301	if ( uiDC1 )
2302	{
2303	UInt uiSign;
2304	m_pcTDecBinIf->decodeBinEP( uiSign );
2305	if ( uiSign )
2306	{
2307	iDC1 = -iDC1;
2308	}
2309	}
2310	xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) );
2311	Int iDC2 = uiDC2;
2312	if ( uiDC2 )
2313	{
2314	UInt uiSign;
2315	m_pcTDecBinIf->decodeBinEP( uiSign );
2316	if ( uiSign )
2317	{
2318	iDC2 = -iDC2;
2319	}
2320	}
2321
2322	pcCU->setWedgePredTexDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth );
2323	pcCU->setWedgePredTexDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth );
2324	}
2325
2326	Void TDecSbac::xParseContourPredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2327	{
2328	UInt uiDC1, uiDC2;
2329	xReadExGolombLevel( uiDC1, m_cDmmDataSCModel.get(0, 0, 1) );
2330	Int iDC1 = uiDC1;
2331	if ( uiDC1 )
2332	{
2333	UInt uiSign;
2334	m_pcTDecBinIf->decodeBinEP( uiSign );
2335	if ( uiSign )
2336	{
2337	iDC1 = -iDC1;
2338	}
2339	}
2340	xReadExGolombLevel( uiDC2, m_cDmmDataSCModel.get(0, 0, 1) );
2341	Int iDC2 = uiDC2;
2342	if ( uiDC2 )
2343	{
2344	UInt uiSign;
2345	m_pcTDecBinIf->decodeBinEP( uiSign );
2346	if ( uiSign )
2347	{
2348	iDC2 = -iDC2;
2349	}
2350	}
2351
2352	pcCU->setContourPredTexDeltaDC1SubParts( iDC1, uiAbsPartIdx, uiDepth );
2353	pcCU->setContourPredTexDeltaDC2SubParts( iDC2, uiAbsPartIdx, uiDepth );
2354	}
2355	#endif
2356
2357	#if LGE_EDGE_INTRA
2358	Void TDecSbac::xParseEdgeIntraInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2359	{
2360	UInt uiSymbol = 0;
2361
2362	// 1. Top(0) or Left(1)
2363	UChar ucLeft;
2364	m_pcTDecBinIf->decodeBinEP( uiSymbol );
2365	ucLeft = uiSymbol;
2366
2367	// 2. Start position (lowest bit first)
2368	UChar ucStart = 0;
2369	for( UInt ui = 0; ui < 6 - uiDepth; ui++ )
2370	{
2371	m_pcTDecBinIf->decodeBinEP( uiSymbol );
2372	ucStart \|= (uiSymbol << ui);
2373	}
2374
2375	// 3. Number of edges
2376	UChar ucMax = 0;
2377	for( UInt ui = 0; ui < 7 - uiDepth; ui++ )
2378	{
2379	m_pcTDecBinIf->decodeBinEP( uiSymbol );
2380	ucMax \|= (uiSymbol << ui);
2381	}
2382	ucMax++; // +1
2383
2384	// 4. Edges
2385	UChar* pucSymbolList = (UChar) xMalloc( UChar, 256 LGE_EDGE_INTRA_MAX_EDGE_NUM_PER_4x4 );
2386	UInt uiCtxEdgeIntra = pcCU->getCtxEdgeIntra( uiAbsPartIdx );
2387	for( Int iPtr = 0; iPtr < ucMax; iPtr++ )
2388	{
2389	UChar ucEdge = 0;
2390	UInt uiReorderEdge = 0;
2391	// Left-friendly direction
2392	// 0 ( 0deg) => 0
2393	// 1 ( 45deg) => 10
2394	// 2 ( -45deg) => 110
2395	// 3 ( 90deg) => 1110
2396	// 4 ( -90deg) => 11110
2397	// 5 ( 135deg) => 111110
2398	// 6 (-135deg) => 111111
2399	// Right-friendly direction
2400	// 0 ( 0deg) => 0
2401	// 1 ( -45deg) => 10
2402	// 2 ( 45deg) => 110
2403	// 3 ( -90deg) => 1110
2404	// 4 ( 90deg) => 11110
2405	// 5 (-135deg) => 111110
2406	// 6 ( 135deg) => 111111
2407	// refer to a paper "An efficient chain code with Huffman coding"
2408	for( UInt ui = 0; ui < 6; ui++ )
2409	{
2410	m_pcTDecBinIf->decodeBin( uiSymbol, m_cEdgeIntraSCModel.get( 0, 0, uiCtxEdgeIntra ) );
2411	ucEdge <<= 1;
2412	ucEdge \|= uiSymbol;
2413	if( uiSymbol == 0 )
2414	break;
2415	}
2416
2417	switch( ucEdge )
2418	{
2419	case 0 : // "0"
2420	uiReorderEdge = 0;
2421	break;
2422	case 2 : // "10"
2423	uiReorderEdge = 1;
2424	break;
2425	case 6 : // "110"
2426	uiReorderEdge = 2;
2427	break;
2428	case 14 : // "1110"
2429	uiReorderEdge = 3;
2430	break;
2431	case 30 : // "11110"
2432	uiReorderEdge = 4;
2433	break;
2434	case 62 : // "111110"
2435	uiReorderEdge = 5;
2436	break;
2437	case 63 : // "111111"
2438	uiReorderEdge = 6;
2439	break;
2440	default :
2441	printf("parseIntraEdgeChain: error (unknown code %d)\n",ucEdge);
2442	assert(false);
2443	break;
2444	}
2445	pucSymbolList[iPtr] = uiReorderEdge;
2446	}
2447	/////////////////////
2448	// Edge Reconstruction
2449	Bool* pbRegion = pcCU->getEdgePartition( uiAbsPartIdx );
2450	pcCU->reconPartition( uiAbsPartIdx, uiDepth, ucLeft == 1, ucStart, ucMax, pucSymbolList, pbRegion );
2451	xFree( pucSymbolList );
2452	}
2453	#endif
2454
2455	//! \}

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source: 3DVCSoftware/trunk/source/Lib/TLibDecoder/TDecSbac.cpp @ 140

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