Context navigation

TDecCAVLC.cpp @ 851

Visit:

Last change on this file since 851 was 439, checked in by nokia, 11 years ago
add syntax for JCTVC-N0065
Property svn:eol-style set to `native`
File size: 100.2 KB

Line
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) 2010-2013, 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 TDecCAVLC.cpp
35	\brief CAVLC decoder class
36	*/
37
38	#include "TDecCAVLC.h"
39	#include "SEIread.h"
40	#include "TDecSlice.h"
41
42	//! \ingroup TLibDecoder
43	//! \{
44
45	#if ENC_DEC_TRACE
46
47	Void xTraceSPSHeader (TComSPS *pSPS)
48	{
49	fprintf( g_hTrace, "=========== Sequence Parameter Set ID: %d ===========\n", pSPS->getSPSId() );
50	}
51
52	Void xTracePPSHeader (TComPPS *pPPS)
53	{
54	fprintf( g_hTrace, "=========== Picture Parameter Set ID: %d ===========\n", pPPS->getPPSId() );
55	}
56
57	Void xTraceSliceHeader (TComSlice *pSlice)
58	{
59	fprintf( g_hTrace, "=========== Slice ===========\n");
60	}
61
62	#endif
63
64	// ====================================================================================================================
65	// Constructor / destructor / create / destroy
66	// ====================================================================================================================
67
68	TDecCavlc::TDecCavlc()
69	{
70	}
71
72	TDecCavlc::~TDecCavlc()
73	{
74
75	}
76
77	// ====================================================================================================================
78	// Public member functions
79	// ====================================================================================================================
80
81	void TDecCavlc::parseShortTermRefPicSet( TComSPS* sps, TComReferencePictureSet* rps, Int idx )
82	{
83	UInt code;
84	UInt interRPSPred;
85	if (idx > 0)
86	{
87	READ_FLAG(interRPSPred, "inter_ref_pic_set_prediction_flag"); rps->setInterRPSPrediction(interRPSPred);
88	}
89	else
90	{
91	interRPSPred = false;
92	rps->setInterRPSPrediction(false);
93	}
94
95	if (interRPSPred)
96	{
97	UInt bit;
98	if(idx == sps->getRPSList()->getNumberOfReferencePictureSets())
99	{
100	READ_UVLC(code, "delta_idx_minus1" ); // delta index of the Reference Picture Set used for prediction minus 1
101	}
102	else
103	{
104	code = 0;
105	}
106	assert(code <= idx-1); // delta_idx_minus1 shall not be larger than idx-1, otherwise we will predict from a negative row position that does not exist. When idx equals 0 there is no legal value and interRPSPred must be zero. See J0185-r2
107	Int rIdx = idx - 1 - code;
108	assert (rIdx <= idx-1 && rIdx >= 0); // Made assert tighter; if rIdx = idx then prediction is done from itself. rIdx must belong to range 0, idx-1, inclusive, see J0185-r2
109	TComReferencePictureSet* rpsRef = sps->getRPSList()->getReferencePictureSet(rIdx);
110	Int k = 0, k0 = 0, k1 = 0;
111	READ_CODE(1, bit, "delta_rps_sign"); // delta_RPS_sign
112	READ_UVLC(code, "abs_delta_rps_minus1"); // absolute delta RPS minus 1
113	Int deltaRPS = (1 - 2 * bit) * (code + 1); // delta_RPS
114	for(Int j=0 ; j <= rpsRef->getNumberOfPictures(); j++)
115	{
116	READ_CODE(1, bit, "used_by_curr_pic_flag" ); //first bit is "1" if Idc is 1
117	Int refIdc = bit;
118	if (refIdc == 0)
119	{
120	READ_CODE(1, bit, "use_delta_flag" ); //second bit is "1" if Idc is 2, "0" otherwise.
121	refIdc = bit<<1; //second bit is "1" if refIdc is 2, "0" if refIdc = 0.
122	}
123	if (refIdc == 1 \|\| refIdc == 2)
124	{
125	Int deltaPOC = deltaRPS + ((j < rpsRef->getNumberOfPictures())? rpsRef->getDeltaPOC(j) : 0);
126	rps->setDeltaPOC(k, deltaPOC);
127	rps->setUsed(k, (refIdc == 1));
128
129	if (deltaPOC < 0)
130	{
131	k0++;
132	}
133	else
134	{
135	k1++;
136	}
137	k++;
138	}
139	rps->setRefIdc(j,refIdc);
140	}
141	rps->setNumRefIdc(rpsRef->getNumberOfPictures()+1);
142	rps->setNumberOfPictures(k);
143	rps->setNumberOfNegativePictures(k0);
144	rps->setNumberOfPositivePictures(k1);
145	rps->sortDeltaPOC();
146	}
147	else
148	{
149	READ_UVLC(code, "num_negative_pics"); rps->setNumberOfNegativePictures(code);
150	READ_UVLC(code, "num_positive_pics"); rps->setNumberOfPositivePictures(code);
151	Int prev = 0;
152	Int poc;
153	for(Int j=0 ; j < rps->getNumberOfNegativePictures(); j++)
154	{
155	READ_UVLC(code, "delta_poc_s0_minus1");
156	poc = prev-code-1;
157	prev = poc;
158	rps->setDeltaPOC(j,poc);
159	READ_FLAG(code, "used_by_curr_pic_s0_flag"); rps->setUsed(j,code);
160	}
161	prev = 0;
162	for(Int j=rps->getNumberOfNegativePictures(); j < rps->getNumberOfNegativePictures()+rps->getNumberOfPositivePictures(); j++)
163	{
164	READ_UVLC(code, "delta_poc_s1_minus1");
165	poc = prev+code+1;
166	prev = poc;
167	rps->setDeltaPOC(j,poc);
168	READ_FLAG(code, "used_by_curr_pic_s1_flag"); rps->setUsed(j,code);
169	}
170	rps->setNumberOfPictures(rps->getNumberOfNegativePictures()+rps->getNumberOfPositivePictures());
171	}
172	#if PRINT_RPS_INFO
173	rps->printDeltaPOC();
174	#endif
175	}
176
177	Void TDecCavlc::parsePPS(TComPPS* pcPPS)
178	{
179	#if ENC_DEC_TRACE
180	xTracePPSHeader (pcPPS);
181	#endif
182	UInt uiCode;
183
184	Int iCode;
185
186	READ_UVLC( uiCode, "pps_pic_parameter_set_id");
187	assert(uiCode <= 63);
188	pcPPS->setPPSId (uiCode);
189
190	READ_UVLC( uiCode, "pps_seq_parameter_set_id");
191	assert(uiCode <= 15);
192	pcPPS->setSPSId (uiCode);
193
194	READ_FLAG( uiCode, "dependent_slice_segments_enabled_flag" ); pcPPS->setDependentSliceSegmentsEnabledFlag ( uiCode == 1 );
195	READ_FLAG( uiCode, "output_flag_present_flag" ); pcPPS->setOutputFlagPresentFlag( uiCode==1 );
196
197	READ_CODE(3, uiCode, "num_extra_slice_header_bits"); pcPPS->setNumExtraSliceHeaderBits(uiCode);
198	READ_FLAG ( uiCode, "sign_data_hiding_flag" ); pcPPS->setSignHideFlag( uiCode );
199
200	READ_FLAG( uiCode, "cabac_init_present_flag" ); pcPPS->setCabacInitPresentFlag( uiCode ? true : false );
201
202	READ_UVLC(uiCode, "num_ref_idx_l0_default_active_minus1");
203	assert(uiCode <= 14);
204	pcPPS->setNumRefIdxL0DefaultActive(uiCode+1);
205
206	READ_UVLC(uiCode, "num_ref_idx_l1_default_active_minus1");
207	assert(uiCode <= 14);
208	pcPPS->setNumRefIdxL1DefaultActive(uiCode+1);
209
210	READ_SVLC(iCode, "init_qp_minus26" ); pcPPS->setPicInitQPMinus26(iCode);
211	READ_FLAG( uiCode, "constrained_intra_pred_flag" ); pcPPS->setConstrainedIntraPred( uiCode ? true : false );
212	READ_FLAG( uiCode, "transform_skip_enabled_flag" );
213	pcPPS->setUseTransformSkip ( uiCode ? true : false );
214
215	READ_FLAG( uiCode, "cu_qp_delta_enabled_flag" ); pcPPS->setUseDQP( uiCode ? true : false );
216	if( pcPPS->getUseDQP() )
217	{
218	READ_UVLC( uiCode, "diff_cu_qp_delta_depth" );
219	pcPPS->setMaxCuDQPDepth( uiCode );
220	}
221	else
222	{
223	pcPPS->setMaxCuDQPDepth( 0 );
224	}
225	READ_SVLC( iCode, "pps_cb_qp_offset");
226	pcPPS->setChromaCbQpOffset(iCode);
227	assert( pcPPS->getChromaCbQpOffset() >= -12 );
228	assert( pcPPS->getChromaCbQpOffset() <= 12 );
229
230	READ_SVLC( iCode, "pps_cr_qp_offset");
231	pcPPS->setChromaCrQpOffset(iCode);
232	assert( pcPPS->getChromaCrQpOffset() >= -12 );
233	assert( pcPPS->getChromaCrQpOffset() <= 12 );
234
235	READ_FLAG( uiCode, "pps_slice_chroma_qp_offsets_present_flag" );
236	pcPPS->setSliceChromaQpFlag( uiCode ? true : false );
237
238	READ_FLAG( uiCode, "weighted_pred_flag" ); // Use of Weighting Prediction (P_SLICE)
239	pcPPS->setUseWP( uiCode==1 );
240	READ_FLAG( uiCode, "weighted_bipred_flag" ); // Use of Bi-Directional Weighting Prediction (B_SLICE)
241	pcPPS->setWPBiPred( uiCode==1 );
242
243	READ_FLAG( uiCode, "transquant_bypass_enable_flag");
244	pcPPS->setTransquantBypassEnableFlag(uiCode ? true : false);
245	READ_FLAG( uiCode, "tiles_enabled_flag" ); pcPPS->setTilesEnabledFlag ( uiCode == 1 );
246	READ_FLAG( uiCode, "entropy_coding_sync_enabled_flag" ); pcPPS->setEntropyCodingSyncEnabledFlag( uiCode == 1 );
247
248	if( pcPPS->getTilesEnabledFlag() )
249	{
250	READ_UVLC ( uiCode, "num_tile_columns_minus1" ); pcPPS->setNumColumnsMinus1( uiCode );
251	READ_UVLC ( uiCode, "num_tile_rows_minus1" ); pcPPS->setNumRowsMinus1( uiCode );
252	READ_FLAG ( uiCode, "uniform_spacing_flag" ); pcPPS->setUniformSpacingFlag( uiCode );
253
254	if( !pcPPS->getUniformSpacingFlag())
255	{
256	UInt* columnWidth = (UInt)malloc(pcPPS->getNumColumnsMinus1()sizeof(UInt));
257	for(UInt i=0; i<pcPPS->getNumColumnsMinus1(); i++)
258	{
259	READ_UVLC( uiCode, "column_width_minus1" );
260	columnWidth[i] = uiCode+1;
261	}
262	pcPPS->setColumnWidth(columnWidth);
263	free(columnWidth);
264
265	UInt* rowHeight = (UInt)malloc(pcPPS->getNumRowsMinus1()sizeof(UInt));
266	for(UInt i=0; i<pcPPS->getNumRowsMinus1(); i++)
267	{
268	READ_UVLC( uiCode, "row_height_minus1" );
269	rowHeight[i] = uiCode + 1;
270	}
271	pcPPS->setRowHeight(rowHeight);
272	free(rowHeight);
273	}
274
275	if(pcPPS->getNumColumnsMinus1() !=0 \|\| pcPPS->getNumRowsMinus1() !=0)
276	{
277	READ_FLAG ( uiCode, "loop_filter_across_tiles_enabled_flag" ); pcPPS->setLoopFilterAcrossTilesEnabledFlag( uiCode ? true : false );
278	}
279	}
280	READ_FLAG( uiCode, "loop_filter_across_slices_enabled_flag" ); pcPPS->setLoopFilterAcrossSlicesEnabledFlag( uiCode ? true : false );
281	READ_FLAG( uiCode, "deblocking_filter_control_present_flag" ); pcPPS->setDeblockingFilterControlPresentFlag( uiCode ? true : false );
282	if(pcPPS->getDeblockingFilterControlPresentFlag())
283	{
284	READ_FLAG( uiCode, "deblocking_filter_override_enabled_flag" ); pcPPS->setDeblockingFilterOverrideEnabledFlag( uiCode ? true : false );
285	READ_FLAG( uiCode, "pps_disable_deblocking_filter_flag" ); pcPPS->setPicDisableDeblockingFilterFlag(uiCode ? true : false );
286	if(!pcPPS->getPicDisableDeblockingFilterFlag())
287	{
288	READ_SVLC ( iCode, "pps_beta_offset_div2" ); pcPPS->setDeblockingFilterBetaOffsetDiv2( iCode );
289	READ_SVLC ( iCode, "pps_tc_offset_div2" ); pcPPS->setDeblockingFilterTcOffsetDiv2( iCode );
290	}
291	}
292	READ_FLAG( uiCode, "pps_scaling_list_data_present_flag" ); pcPPS->setScalingListPresentFlag( uiCode ? true : false );
293
294	#if IL_SL_SIGNALLING_N0371
295	pcPPS->setPPS( pcPPS->getLayerId(), pcPPS );
296	#endif
297
298	if(pcPPS->getScalingListPresentFlag ())
299	{
300	#if IL_SL_SIGNALLING_N0371
301	pcPPS->getScalingList()->setLayerId( pcPPS->getLayerId() );
302
303	if( pcPPS->getLayerId() > 0 )
304	{
305	READ_FLAG( uiCode, "pps_pred_scaling_list_flag" ); pcPPS->setPredScalingListFlag( uiCode ? true : false );
306	pcPPS->getScalingList()->setPredScalingListFlag( pcPPS->getPredScalingListFlag() );
307
308	if( pcPPS->getPredScalingListFlag() )
309	{
310	READ_UVLC ( uiCode, "scaling_list_pps_ref_layer_id" ); pcPPS->setScalingListRefLayerId( uiCode );
311
312	// The value of pps_scaling_list_ref_layer_id shall be in the range of 0 to 62, inclusive
313	assert( /pcPPS->getScalingListRefLayerId() >= 0 &&/ pcPPS->getScalingListRefLayerId() <= 62 );
314
315	// When avc_base_layer_flag is equal to 1, it is a requirement of bitstream conformance that the value of pps_scaling_list_ref_layer_id shall be greater than 0
316	if( pcPPS->getSPS()->getVPS()->getAvcBaseLayerFlag() )
317	{
318	assert( pcPPS->getScalingListRefLayerId() > 0 );
319	}
320
321	// It is a requirement of bitstream conformance that, when a PPS with nuh_layer_id equal to nuhLayerIdA is active for a layer with nuh_layer_id equal to nuhLayerIdB and
322	// pps_infer_scaling_list_flag in the PPS is equal to 1, pps_infer_scaling_list_flag shall be equal to 0 for the PPS that is active for the layer with nuh_layer_id equal to pps_scaling_list_ref_layer_id
323	assert( pcPPS->getPPS( pcPPS->getScalingListRefLayerId() )->getPredScalingListFlag() == false );
324
325	// It is a requirement of bitstream conformance that, when a PPS with nuh_layer_id equal to nuhLayerIdA is active for a layer with nuh_layer_id equal to nuhLayerIdB,
326	// the layer with nuh_layer_id equal to pps_scaling_list_ref_layer_id shall be a direct or indirect reference layer of the layer with nuh_layer_id equal to nuhLayerIdB
327	assert( pcPPS->getSPS()->getVPS()->getScalingListLayerDependency( pcPPS->getLayerId(), pcPPS->getScalingListRefLayerId() ) == true );
328
329	pcPPS->getScalingList()->setScalingListRefLayerId( pcPPS->getScalingListRefLayerId() );
330	parseScalingList( pcPPS->getScalingList() );
331	}
332	else
333	{
334	parseScalingList( pcPPS->getScalingList() );
335	}
336	}
337	else
338	{
339	parseScalingList( pcPPS->getScalingList() );
340	}
341	#else
342	parseScalingList( pcPPS->getScalingList() );
343	#endif
344	}
345
346	READ_FLAG( uiCode, "lists_modification_present_flag");
347	pcPPS->setListsModificationPresentFlag(uiCode);
348
349	READ_UVLC( uiCode, "log2_parallel_merge_level_minus2");
350	pcPPS->setLog2ParallelMergeLevelMinus2 (uiCode);
351
352	READ_FLAG( uiCode, "slice_segment_header_extension_present_flag");
353	pcPPS->setSliceHeaderExtensionPresentFlag(uiCode);
354
355	READ_FLAG( uiCode, "pps_extension_flag");
356	if (uiCode)
357	{
358	while ( xMoreRbspData() )
359	{
360	READ_FLAG( uiCode, "pps_extension_data_flag");
361	}
362	}
363	}
364
365	Void TDecCavlc::parseVUI(TComVUI* pcVUI, TComSPS *pcSPS)
366	{
367	#if ENC_DEC_TRACE
368	fprintf( g_hTrace, "----------- vui_parameters -----------\n");
369	#endif
370	UInt uiCode;
371
372	READ_FLAG( uiCode, "aspect_ratio_info_present_flag"); pcVUI->setAspectRatioInfoPresentFlag(uiCode);
373	if (pcVUI->getAspectRatioInfoPresentFlag())
374	{
375	READ_CODE(8, uiCode, "aspect_ratio_idc"); pcVUI->setAspectRatioIdc(uiCode);
376	if (pcVUI->getAspectRatioIdc() == 255)
377	{
378	READ_CODE(16, uiCode, "sar_width"); pcVUI->setSarWidth(uiCode);
379	READ_CODE(16, uiCode, "sar_height"); pcVUI->setSarHeight(uiCode);
380	}
381	}
382
383	READ_FLAG( uiCode, "overscan_info_present_flag"); pcVUI->setOverscanInfoPresentFlag(uiCode);
384	if (pcVUI->getOverscanInfoPresentFlag())
385	{
386	READ_FLAG( uiCode, "overscan_appropriate_flag"); pcVUI->setOverscanAppropriateFlag(uiCode);
387	}
388
389	READ_FLAG( uiCode, "video_signal_type_present_flag"); pcVUI->setVideoSignalTypePresentFlag(uiCode);
390	if (pcVUI->getVideoSignalTypePresentFlag())
391	{
392	READ_CODE(3, uiCode, "video_format"); pcVUI->setVideoFormat(uiCode);
393	READ_FLAG( uiCode, "video_full_range_flag"); pcVUI->setVideoFullRangeFlag(uiCode);
394	READ_FLAG( uiCode, "colour_description_present_flag"); pcVUI->setColourDescriptionPresentFlag(uiCode);
395	if (pcVUI->getColourDescriptionPresentFlag())
396	{
397	READ_CODE(8, uiCode, "colour_primaries"); pcVUI->setColourPrimaries(uiCode);
398	READ_CODE(8, uiCode, "transfer_characteristics"); pcVUI->setTransferCharacteristics(uiCode);
399	READ_CODE(8, uiCode, "matrix_coefficients"); pcVUI->setMatrixCoefficients(uiCode);
400	}
401	}
402
403	READ_FLAG( uiCode, "chroma_loc_info_present_flag"); pcVUI->setChromaLocInfoPresentFlag(uiCode);
404	if (pcVUI->getChromaLocInfoPresentFlag())
405	{
406	READ_UVLC( uiCode, "chroma_sample_loc_type_top_field" ); pcVUI->setChromaSampleLocTypeTopField(uiCode);
407	READ_UVLC( uiCode, "chroma_sample_loc_type_bottom_field" ); pcVUI->setChromaSampleLocTypeBottomField(uiCode);
408	}
409
410	READ_FLAG( uiCode, "neutral_chroma_indication_flag"); pcVUI->setNeutralChromaIndicationFlag(uiCode);
411
412	READ_FLAG( uiCode, "field_seq_flag"); pcVUI->setFieldSeqFlag(uiCode);
413
414	READ_FLAG(uiCode, "frame_field_info_present_flag"); pcVUI->setFrameFieldInfoPresentFlag(uiCode);
415
416	READ_FLAG( uiCode, "default_display_window_flag");
417	if (uiCode != 0)
418	{
419	Window &defDisp = pcVUI->getDefaultDisplayWindow();
420	READ_UVLC( uiCode, "def_disp_win_left_offset" ); defDisp.setWindowLeftOffset ( uiCode * TComSPS::getWinUnitX( pcSPS->getChromaFormatIdc()) );
421	READ_UVLC( uiCode, "def_disp_win_right_offset" ); defDisp.setWindowRightOffset ( uiCode * TComSPS::getWinUnitX( pcSPS->getChromaFormatIdc()) );
422	READ_UVLC( uiCode, "def_disp_win_top_offset" ); defDisp.setWindowTopOffset ( uiCode * TComSPS::getWinUnitY( pcSPS->getChromaFormatIdc()) );
423	READ_UVLC( uiCode, "def_disp_win_bottom_offset" ); defDisp.setWindowBottomOffset( uiCode * TComSPS::getWinUnitY( pcSPS->getChromaFormatIdc()) );
424	}
425	TimingInfo *timingInfo = pcVUI->getTimingInfo();
426	READ_FLAG( uiCode, "vui_timing_info_present_flag"); timingInfo->setTimingInfoPresentFlag (uiCode ? true : false);
427	#if TIMING_INFO_NONZERO_LAYERID_SPS
428	if( pcSPS->getLayerId() > 0 )
429	{
430	assert( timingInfo->getTimingInfoPresentFlag() == false );
431	}
432	#endif
433	if(timingInfo->getTimingInfoPresentFlag())
434	{
435	READ_CODE( 32, uiCode, "vui_num_units_in_tick"); timingInfo->setNumUnitsInTick (uiCode);
436	READ_CODE( 32, uiCode, "vui_time_scale"); timingInfo->setTimeScale (uiCode);
437	READ_FLAG( uiCode, "vui_poc_proportional_to_timing_flag"); timingInfo->setPocProportionalToTimingFlag(uiCode ? true : false);
438	if(timingInfo->getPocProportionalToTimingFlag())
439	{
440	READ_UVLC( uiCode, "vui_num_ticks_poc_diff_one_minus1"); timingInfo->setNumTicksPocDiffOneMinus1 (uiCode);
441	}
442	READ_FLAG( uiCode, "hrd_parameters_present_flag"); pcVUI->setHrdParametersPresentFlag(uiCode);
443	if( pcVUI->getHrdParametersPresentFlag() )
444	{
445	parseHrdParameters( pcVUI->getHrdParameters(), 1, pcSPS->getMaxTLayers() - 1 );
446	}
447	}
448	READ_FLAG( uiCode, "bitstream_restriction_flag"); pcVUI->setBitstreamRestrictionFlag(uiCode);
449	if (pcVUI->getBitstreamRestrictionFlag())
450	{
451	READ_FLAG( uiCode, "tiles_fixed_structure_flag"); pcVUI->setTilesFixedStructureFlag(uiCode);
452	#if M0464_TILE_BOUNDARY_ALIGNED_FLAG
453	if ( pcSPS->getLayerId() > 0 )
454	{
455	READ_FLAG( uiCode, "tile_boundaries_aligned_flag" ); pcVUI->setTileBoundariesAlignedFlag( uiCode == 1 );
456	}
457	#endif
458	READ_FLAG( uiCode, "motion_vectors_over_pic_boundaries_flag"); pcVUI->setMotionVectorsOverPicBoundariesFlag(uiCode);
459	READ_FLAG( uiCode, "restricted_ref_pic_lists_flag"); pcVUI->setRestrictedRefPicListsFlag(uiCode);
460	READ_UVLC( uiCode, "min_spatial_segmentation_idc"); pcVUI->setMinSpatialSegmentationIdc(uiCode);
461	assert(uiCode < 4096);
462	READ_UVLC( uiCode, "max_bytes_per_pic_denom" ); pcVUI->setMaxBytesPerPicDenom(uiCode);
463	READ_UVLC( uiCode, "max_bits_per_mincu_denom" ); pcVUI->setMaxBitsPerMinCuDenom(uiCode);
464	READ_UVLC( uiCode, "log2_max_mv_length_horizontal" ); pcVUI->setLog2MaxMvLengthHorizontal(uiCode);
465	READ_UVLC( uiCode, "log2_max_mv_length_vertical" ); pcVUI->setLog2MaxMvLengthVertical(uiCode);
466	}
467	}
468
469	Void TDecCavlc::parseHrdParameters(TComHRD *hrd, Bool commonInfPresentFlag, UInt maxNumSubLayersMinus1)
470	{
471	UInt uiCode;
472	if( commonInfPresentFlag )
473	{
474	READ_FLAG( uiCode, "nal_hrd_parameters_present_flag" ); hrd->setNalHrdParametersPresentFlag( uiCode == 1 ? true : false );
475	READ_FLAG( uiCode, "vcl_hrd_parameters_present_flag" ); hrd->setVclHrdParametersPresentFlag( uiCode == 1 ? true : false );
476	if( hrd->getNalHrdParametersPresentFlag() \|\| hrd->getVclHrdParametersPresentFlag() )
477	{
478	READ_FLAG( uiCode, "sub_pic_cpb_params_present_flag" ); hrd->setSubPicCpbParamsPresentFlag( uiCode == 1 ? true : false );
479	if( hrd->getSubPicCpbParamsPresentFlag() )
480	{
481	READ_CODE( 8, uiCode, "tick_divisor_minus2" ); hrd->setTickDivisorMinus2( uiCode );
482	READ_CODE( 5, uiCode, "du_cpb_removal_delay_length_minus1" ); hrd->setDuCpbRemovalDelayLengthMinus1( uiCode );
483	READ_FLAG( uiCode, "sub_pic_cpb_params_in_pic_timing_sei_flag" ); hrd->setSubPicCpbParamsInPicTimingSEIFlag( uiCode == 1 ? true : false );
484	READ_CODE( 5, uiCode, "dpb_output_delay_du_length_minus1" ); hrd->setDpbOutputDelayDuLengthMinus1( uiCode );
485	}
486	READ_CODE( 4, uiCode, "bit_rate_scale" ); hrd->setBitRateScale( uiCode );
487	READ_CODE( 4, uiCode, "cpb_size_scale" ); hrd->setCpbSizeScale( uiCode );
488	if( hrd->getSubPicCpbParamsPresentFlag() )
489	{
490	READ_CODE( 4, uiCode, "cpb_size_du_scale" ); hrd->setDuCpbSizeScale( uiCode );
491	}
492	READ_CODE( 5, uiCode, "initial_cpb_removal_delay_length_minus1" ); hrd->setInitialCpbRemovalDelayLengthMinus1( uiCode );
493	READ_CODE( 5, uiCode, "au_cpb_removal_delay_length_minus1" ); hrd->setCpbRemovalDelayLengthMinus1( uiCode );
494	READ_CODE( 5, uiCode, "dpb_output_delay_length_minus1" ); hrd->setDpbOutputDelayLengthMinus1( uiCode );
495	}
496	}
497	Int i, j, nalOrVcl;
498	for( i = 0; i <= maxNumSubLayersMinus1; i ++ )
499	{
500	READ_FLAG( uiCode, "fixed_pic_rate_general_flag" ); hrd->setFixedPicRateFlag( i, uiCode == 1 ? true : false );
501	if( !hrd->getFixedPicRateFlag( i ) )
502	{
503	READ_FLAG( uiCode, "fixed_pic_rate_within_cvs_flag" ); hrd->setFixedPicRateWithinCvsFlag( i, uiCode == 1 ? true : false );
504	}
505	else
506	{
507	hrd->setFixedPicRateWithinCvsFlag( i, true );
508	}
509	hrd->setLowDelayHrdFlag( i, 0 ); // Infered to be 0 when not present
510	hrd->setCpbCntMinus1 ( i, 0 ); // Infered to be 0 when not present
511	if( hrd->getFixedPicRateWithinCvsFlag( i ) )
512	{
513	READ_UVLC( uiCode, "elemental_duration_in_tc_minus1" ); hrd->setPicDurationInTcMinus1( i, uiCode );
514	}
515	else
516	{
517	READ_FLAG( uiCode, "low_delay_hrd_flag" ); hrd->setLowDelayHrdFlag( i, uiCode == 1 ? true : false );
518	}
519	if (!hrd->getLowDelayHrdFlag( i ))
520	{
521	READ_UVLC( uiCode, "cpb_cnt_minus1" ); hrd->setCpbCntMinus1( i, uiCode );
522	}
523	for( nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ )
524	{
525	if( ( ( nalOrVcl == 0 ) && ( hrd->getNalHrdParametersPresentFlag() ) ) \|\|
526	( ( nalOrVcl == 1 ) && ( hrd->getVclHrdParametersPresentFlag() ) ) )
527	{
528	for( j = 0; j <= ( hrd->getCpbCntMinus1( i ) ); j ++ )
529	{
530	READ_UVLC( uiCode, "bit_rate_value_minus1" ); hrd->setBitRateValueMinus1( i, j, nalOrVcl, uiCode );
531	READ_UVLC( uiCode, "cpb_size_value_minus1" ); hrd->setCpbSizeValueMinus1( i, j, nalOrVcl, uiCode );
532	if( hrd->getSubPicCpbParamsPresentFlag() )
533	{
534	READ_UVLC( uiCode, "cpb_size_du_value_minus1" ); hrd->setDuCpbSizeValueMinus1( i, j, nalOrVcl, uiCode );
535	READ_UVLC( uiCode, "bit_rate_du_value_minus1" ); hrd->setDuBitRateValueMinus1( i, j, nalOrVcl, uiCode );
536	}
537	READ_FLAG( uiCode, "cbr_flag" ); hrd->setCbrFlag( i, j, nalOrVcl, uiCode == 1 ? true : false );
538	}
539	}
540	}
541	}
542	}
543
544	#if SPS_SUB_LAYER_INFO
545	Void TDecCavlc::parseSPS(TComSPS* pcSPS, ParameterSetManagerDecoder *parameterSetManager)
546	#else
547	Void TDecCavlc::parseSPS(TComSPS* pcSPS)
548	#endif
549	{
550	#if ENC_DEC_TRACE
551	xTraceSPSHeader (pcSPS);
552	#endif
553
554	UInt uiCode;
555	READ_CODE( 4, uiCode, "sps_video_parameter_set_id"); pcSPS->setVPSId ( uiCode );
556	#if SPS_SUB_LAYER_INFO
557	if(pcSPS->getLayerId() == 0)
558	{
559	#endif
560	READ_CODE( 3, uiCode, "sps_max_sub_layers_minus1" ); pcSPS->setMaxTLayers ( uiCode+1 );
561	assert(uiCode <= 6);
562
563	READ_FLAG( uiCode, "sps_temporal_id_nesting_flag" ); pcSPS->setTemporalIdNestingFlag ( uiCode > 0 ? true : false );
564	#if SPS_SUB_LAYER_INFO
565	}
566	else
567	{
568	pcSPS->setMaxTLayers ( parameterSetManager->getPrefetchedVPS(pcSPS->getVPSId())->getMaxTLayers() );
569	pcSPS->setTemporalIdNestingFlag( parameterSetManager->getPrefetchedVPS(pcSPS->getVPSId())->getTemporalNestingFlag() );
570	}
571	#endif
572	#if IL_SL_SIGNALLING_N0371
573	pcSPS->setVPS( parameterSetManager->getPrefetchedVPS(pcSPS->getVPSId()) );
574	pcSPS->setSPS( pcSPS->getLayerId(), pcSPS );
575	#endif
576	if ( pcSPS->getMaxTLayers() == 1 )
577	{
578	// sps_temporal_id_nesting_flag must be 1 when sps_max_sub_layers_minus1 is 0
579	#if SPS_SUB_LAYER_INFO
580	assert( pcSPS->getTemporalIdNestingFlag() == true );
581	#else
582	assert( uiCode == 1 );
583	#endif
584	}
585	#ifdef SPS_PTL_FIX
586	if ( pcSPS->getLayerId() == 0)
587	{
588	parsePTL(pcSPS->getPTL(), 1, pcSPS->getMaxTLayers() - 1);
589	}
590	#else
591	parsePTL(pcSPS->getPTL(), 1, pcSPS->getMaxTLayers() - 1);
592	#endif
593
594	READ_UVLC( uiCode, "sps_seq_parameter_set_id" ); pcSPS->setSPSId( uiCode );
595	assert(uiCode <= 15);
596
597	#if REPN_FORMAT_IN_VPS
598	if( pcSPS->getLayerId() > 0 )
599	{
600	READ_FLAG( uiCode, "update_rep_format_flag" );
601	pcSPS->setUpdateRepFormatFlag( uiCode ? true : false );
602	}
603	else
604	{
605	pcSPS->setUpdateRepFormatFlag( true );
606	}
607	if( pcSPS->getLayerId() == 0 \|\| pcSPS->getUpdateRepFormatFlag() )
608	{
609	#endif
610	READ_UVLC( uiCode, "chroma_format_idc" ); pcSPS->setChromaFormatIdc( uiCode );
611	assert(uiCode <= 3);
612	// in the first version we only support chroma_format_idc equal to 1 (4:2:0), so separate_colour_plane_flag cannot appear in the bitstream
613	assert (uiCode == 1);
614	if( uiCode == 3 )
615	{
616	READ_FLAG( uiCode, "separate_colour_plane_flag"); assert(uiCode == 0);
617	}
618
619	READ_UVLC ( uiCode, "pic_width_in_luma_samples" ); pcSPS->setPicWidthInLumaSamples ( uiCode );
620	READ_UVLC ( uiCode, "pic_height_in_luma_samples" ); pcSPS->setPicHeightInLumaSamples( uiCode );
621	#if REPN_FORMAT_IN_VPS
622	}
623	#endif
624	READ_FLAG( uiCode, "conformance_window_flag");
625	if (uiCode != 0)
626	{
627	Window &conf = pcSPS->getConformanceWindow();
628	#if REPN_FORMAT_IN_VPS
629	READ_UVLC( uiCode, "conf_win_left_offset" ); conf.setWindowLeftOffset ( uiCode );
630	READ_UVLC( uiCode, "conf_win_right_offset" ); conf.setWindowRightOffset ( uiCode );
631	READ_UVLC( uiCode, "conf_win_top_offset" ); conf.setWindowTopOffset ( uiCode );
632	READ_UVLC( uiCode, "conf_win_bottom_offset" ); conf.setWindowBottomOffset( uiCode );
633	#else
634	READ_UVLC( uiCode, "conf_win_left_offset" ); conf.setWindowLeftOffset ( uiCode * TComSPS::getWinUnitX( pcSPS->getChromaFormatIdc() ) );
635	READ_UVLC( uiCode, "conf_win_right_offset" ); conf.setWindowRightOffset ( uiCode * TComSPS::getWinUnitX( pcSPS->getChromaFormatIdc() ) );
636	READ_UVLC( uiCode, "conf_win_top_offset" ); conf.setWindowTopOffset ( uiCode * TComSPS::getWinUnitY( pcSPS->getChromaFormatIdc() ) );
637	READ_UVLC( uiCode, "conf_win_bottom_offset" ); conf.setWindowBottomOffset( uiCode * TComSPS::getWinUnitY( pcSPS->getChromaFormatIdc() ) );
638	#endif
639	}
640	#if REPN_FORMAT_IN_VPS
641	if( pcSPS->getLayerId() == 0 \|\| pcSPS->getUpdateRepFormatFlag() )
642	{
643	#endif
644	READ_UVLC( uiCode, "bit_depth_luma_minus8" );
645	assert(uiCode <= 6);
646	pcSPS->setBitDepthY( uiCode + 8 );
647	pcSPS->setQpBDOffsetY( (Int) (6*uiCode) );
648
649	READ_UVLC( uiCode, "bit_depth_chroma_minus8" );
650	assert(uiCode <= 6);
651	pcSPS->setBitDepthC( uiCode + 8 );
652	pcSPS->setQpBDOffsetC( (Int) (6*uiCode) );
653	#if REPN_FORMAT_IN_VPS
654	}
655	#endif
656	READ_UVLC( uiCode, "log2_max_pic_order_cnt_lsb_minus4" ); pcSPS->setBitsForPOC( 4 + uiCode );
657	assert(uiCode <= 12);
658
659	UInt subLayerOrderingInfoPresentFlag;
660	READ_FLAG(subLayerOrderingInfoPresentFlag, "sps_sub_layer_ordering_info_present_flag");
661
662	for(UInt i=0; i <= pcSPS->getMaxTLayers()-1; i++)
663	{
664	READ_UVLC ( uiCode, "sps_max_dec_pic_buffering_minus1");
665	pcSPS->setMaxDecPicBuffering( uiCode + 1, i);
666	READ_UVLC ( uiCode, "sps_num_reorder_pics" );
667	pcSPS->setNumReorderPics(uiCode, i);
668	READ_UVLC ( uiCode, "sps_max_latency_increase_plus1");
669	pcSPS->setMaxLatencyIncrease( uiCode, i );
670
671	if (!subLayerOrderingInfoPresentFlag)
672	{
673	for (i++; i <= pcSPS->getMaxTLayers()-1; i++)
674	{
675	pcSPS->setMaxDecPicBuffering(pcSPS->getMaxDecPicBuffering(0), i);
676	pcSPS->setNumReorderPics(pcSPS->getNumReorderPics(0), i);
677	pcSPS->setMaxLatencyIncrease(pcSPS->getMaxLatencyIncrease(0), i);
678	}
679	break;
680	}
681	}
682
683	READ_UVLC( uiCode, "log2_min_coding_block_size_minus3" );
684	Int log2MinCUSize = uiCode + 3;
685	pcSPS->setLog2MinCodingBlockSize(log2MinCUSize);
686	READ_UVLC( uiCode, "log2_diff_max_min_coding_block_size" );
687	pcSPS->setLog2DiffMaxMinCodingBlockSize(uiCode);
688	Int maxCUDepthDelta = uiCode;
689	pcSPS->setMaxCUWidth ( 1<<(log2MinCUSize + maxCUDepthDelta) );
690	pcSPS->setMaxCUHeight ( 1<<(log2MinCUSize + maxCUDepthDelta) );
691	READ_UVLC( uiCode, "log2_min_transform_block_size_minus2" ); pcSPS->setQuadtreeTULog2MinSize( uiCode + 2 );
692
693	READ_UVLC( uiCode, "log2_diff_max_min_transform_block_size" ); pcSPS->setQuadtreeTULog2MaxSize( uiCode + pcSPS->getQuadtreeTULog2MinSize() );
694	pcSPS->setMaxTrSize( 1<<(uiCode + pcSPS->getQuadtreeTULog2MinSize()) );
695
696	READ_UVLC( uiCode, "max_transform_hierarchy_depth_inter" ); pcSPS->setQuadtreeTUMaxDepthInter( uiCode+1 );
697	READ_UVLC( uiCode, "max_transform_hierarchy_depth_intra" ); pcSPS->setQuadtreeTUMaxDepthIntra( uiCode+1 );
698
699	Int addCuDepth = max (0, log2MinCUSize - (Int)pcSPS->getQuadtreeTULog2MinSize() );
700	pcSPS->setMaxCUDepth( maxCUDepthDelta + addCuDepth );
701	READ_FLAG( uiCode, "scaling_list_enabled_flag" ); pcSPS->setScalingListFlag ( uiCode );
702
703	if(pcSPS->getScalingListFlag())
704	{
705	READ_FLAG( uiCode, "sps_scaling_list_data_present_flag" ); pcSPS->setScalingListPresentFlag ( uiCode );
706	if(pcSPS->getScalingListPresentFlag ())
707	{
708
709	#if IL_SL_SIGNALLING_N0371
710	pcSPS->getScalingList()->setLayerId( pcSPS->getLayerId() );
711
712	if( pcSPS->getLayerId() > 0 )
713	{
714	READ_FLAG( uiCode, "sps_pred_scaling_list_flag" ); pcSPS->setPredScalingListFlag ( uiCode );
715	pcSPS->getScalingList()->setPredScalingListFlag( pcSPS->getPredScalingListFlag() );
716
717	if( pcSPS->getPredScalingListFlag() )
718	{
719	READ_UVLC( uiCode, "scaling_list_sps_ref_layer_id" ); pcSPS->setScalingListRefLayerId( uiCode );
720
721	// The value of sps_scaling_list_ref_layer_id shall be in the range of 0 to 62, inclusive
722	assert( /pcSPS->getScalingListRefLayerId() >= 0 &&/ pcSPS->getScalingListRefLayerId() <= 62 );
723
724	// When avc_base_layer_flag is equal to 1, it is a requirement of bitstream conformance that the value of sps_scaling_list_ref_layer_id shall be greater than 0
725	if( pcSPS->getVPS()->getAvcBaseLayerFlag() )
726	{
727	assert( pcSPS->getScalingListRefLayerId() > 0 );
728	}
729
730	// It is a requirement of bitstream conformance that, when an SPS with nuh_layer_id equal to nuhLayerIdA is active for a layer with nuh_layer_id equal to nuhLayerIdB and
731	// sps_infer_scaling_list_flag in the SPS is equal to 1, sps_infer_scaling_list_flag shall be equal to 0 for the SPS that is active for the layer with nuh_layer_id equal to sps_scaling_list_ref_layer_id
732	assert( pcSPS->getSPS( pcSPS->getScalingListRefLayerId() )->getPredScalingListFlag() == false );
733
734	// It is a requirement of bitstream conformance that, when an SPS with nuh_layer_id equal to nuhLayerIdA is active for a layer with nuh_layer_id equal to nuhLayerIdB,
735	// the layer with nuh_layer_id equal to sps_scaling_list_ref_layer_id shall be a direct or indirect reference layer of the layer with nuh_layer_id equal to nuhLayerIdB
736	assert( pcSPS->getVPS()->getScalingListLayerDependency( pcSPS->getLayerId(), pcSPS->getScalingListRefLayerId() ) == true );
737
738	pcSPS->getScalingList()->setScalingListRefLayerId( pcSPS->getScalingListRefLayerId() );
739	parseScalingList( pcSPS->getScalingList() );
740	}
741	else
742	{
743	parseScalingList( pcSPS->getScalingList() );
744	}
745	}
746	else
747	{
748	parseScalingList( pcSPS->getScalingList() );
749	}
750	#else
751	parseScalingList( pcSPS->getScalingList() );
752	#endif
753
754	}
755	}
756	READ_FLAG( uiCode, "amp_enabled_flag" ); pcSPS->setUseAMP( uiCode );
757	READ_FLAG( uiCode, "sample_adaptive_offset_enabled_flag" ); pcSPS->setUseSAO ( uiCode ? true : false );
758
759	READ_FLAG( uiCode, "pcm_enabled_flag" ); pcSPS->setUsePCM( uiCode ? true : false );
760	if( pcSPS->getUsePCM() )
761	{
762	READ_CODE( 4, uiCode, "pcm_sample_bit_depth_luma_minus1" ); pcSPS->setPCMBitDepthLuma ( 1 + uiCode );
763	READ_CODE( 4, uiCode, "pcm_sample_bit_depth_chroma_minus1" ); pcSPS->setPCMBitDepthChroma ( 1 + uiCode );
764	READ_UVLC( uiCode, "log2_min_pcm_luma_coding_block_size_minus3" ); pcSPS->setPCMLog2MinSize (uiCode+3);
765	READ_UVLC( uiCode, "log2_diff_max_min_pcm_luma_coding_block_size" ); pcSPS->setPCMLog2MaxSize ( uiCode+pcSPS->getPCMLog2MinSize() );
766	READ_FLAG( uiCode, "pcm_loop_filter_disable_flag" ); pcSPS->setPCMFilterDisableFlag ( uiCode ? true : false );
767	}
768
769	READ_UVLC( uiCode, "num_short_term_ref_pic_sets" );
770	assert(uiCode <= 64);
771	pcSPS->createRPSList(uiCode);
772
773	TComRPSList* rpsList = pcSPS->getRPSList();
774	TComReferencePictureSet* rps;
775
776	for(UInt i=0; i< rpsList->getNumberOfReferencePictureSets(); i++)
777	{
778	rps = rpsList->getReferencePictureSet(i);
779	parseShortTermRefPicSet(pcSPS,rps,i);
780	}
781	READ_FLAG( uiCode, "long_term_ref_pics_present_flag" ); pcSPS->setLongTermRefsPresent(uiCode);
782	if (pcSPS->getLongTermRefsPresent())
783	{
784	READ_UVLC( uiCode, "num_long_term_ref_pic_sps" );
785	pcSPS->setNumLongTermRefPicSPS(uiCode);
786	for (UInt k = 0; k < pcSPS->getNumLongTermRefPicSPS(); k++)
787	{
788	READ_CODE( pcSPS->getBitsForPOC(), uiCode, "lt_ref_pic_poc_lsb_sps" );
789	pcSPS->setLtRefPicPocLsbSps(k, uiCode);
790	READ_FLAG( uiCode, "used_by_curr_pic_lt_sps_flag[i]");
791	pcSPS->setUsedByCurrPicLtSPSFlag(k, uiCode?1:0);
792	}
793	}
794	READ_FLAG( uiCode, "sps_temporal_mvp_enable_flag" ); pcSPS->setTMVPFlagsPresent(uiCode);
795	#if REF_IDX_MFM
796	#if !M0457_COL_PICTURE_SIGNALING
797	if(pcSPS->getLayerId() > 0)
798	{
799	READ_FLAG( uiCode, "sps_enh_mfm_enable_flag" );
800	pcSPS->setMFMEnabledFlag( uiCode ? true : false );
801	}
802	#endif
803	#endif
804	READ_FLAG( uiCode, "sps_strong_intra_smoothing_enable_flag" ); pcSPS->setUseStrongIntraSmoothing(uiCode);
805
806	READ_FLAG( uiCode, "vui_parameters_present_flag" ); pcSPS->setVuiParametersPresentFlag(uiCode);
807
808	if (pcSPS->getVuiParametersPresentFlag())
809	{
810	parseVUI(pcSPS->getVuiParameters(), pcSPS);
811	}
812
813	READ_FLAG( uiCode, "sps_extension_flag");
814	if (uiCode)
815	{
816	#if SPS_EXTENSION
817	parseSPSExtension( pcSPS );
818	READ_FLAG( uiCode, "sps_extension2_flag");
819	if(uiCode)
820	{
821	#endif
822	while ( xMoreRbspData() )
823	{
824	READ_FLAG( uiCode, "sps_extension_data_flag");
825	}
826	#if SPS_EXTENSION
827	}
828	#endif
829	}
830	}
831
832	#if SPS_EXTENSION
833	Void TDecCavlc::parseSPSExtension( TComSPS* pcSPS )
834	{
835	UInt uiCode;
836	// more syntax elements to be parsed here
837
838	#if VERT_MV_CONSTRAINT
839	READ_FLAG( uiCode, "inter_view_mv_vert_constraint_flag" );
840	// Vertical MV component restriction is not used in SHVC CTC
841	assert( uiCode == 0 );
842	#endif
843	#if SCALED_REF_LAYER_OFFSETS
844	if( pcSPS->getLayerId() > 0 )
845	{
846	Int iCode;
847	READ_UVLC( uiCode, "num_scaled_ref_layer_offsets" ); pcSPS->setNumScaledRefLayerOffsets(uiCode);
848	for(Int i = 0; i < pcSPS->getNumScaledRefLayerOffsets(); i++)
849	{
850	Window& scaledWindow = pcSPS->getScaledRefLayerWindow(i);
851	READ_SVLC( iCode, "scaled_ref_layer_left_offset" ); scaledWindow.setWindowLeftOffset (iCode << 1);
852	READ_SVLC( iCode, "scaled_ref_layer_top_offset" ); scaledWindow.setWindowTopOffset (iCode << 1);
853	READ_SVLC( iCode, "scaled_ref_layer_right_offset" ); scaledWindow.setWindowRightOffset (iCode << 1);
854	READ_SVLC( iCode, "scaled_ref_layer_bottom_offset" ); scaledWindow.setWindowBottomOffset(iCode << 1);
855	}
856	}
857	#endif
858	#if M0463_VUI_EXT_ILP_REF
859	//// sps_extension_vui_parameters( )
860	if( pcSPS->getVuiParameters()->getBitstreamRestrictionFlag() )
861	{
862	READ_UVLC( uiCode, "num_ilp_restricted_ref_layers" ); pcSPS->setNumIlpRestrictedRefLayers( uiCode );
863	for( Int i = 0; i < pcSPS->getNumIlpRestrictedRefLayers( ); i++ )
864	{
865	READ_UVLC( uiCode, "min_spatial_segment_offset_plus1" ); pcSPS->setMinSpatialSegmentOffsetPlus1( i, uiCode );
866	if( pcSPS->getMinSpatialSegmentOffsetPlus1( i ) > 0 )
867	{
868	READ_FLAG( uiCode, "ctu_based_offset_enabled_flag[ i ]"); pcSPS->setCtuBasedOffsetEnabledFlag(i, uiCode == 1 );
869	if( pcSPS->getCtuBasedOffsetEnabledFlag( i ) )
870	{
871	READ_UVLC( uiCode, "min_horizontal_ctu_offset_plus1[ i ]"); pcSPS->setMinHorizontalCtuOffsetPlus1( i, uiCode );
872	}
873	}
874	}
875	}
876	//// sps_extension_vui_parameters( ) END
877	#endif
878	}
879	#endif
880
881	Void TDecCavlc::parseVPS(TComVPS* pcVPS)
882	{
883	UInt uiCode;
884
885	READ_CODE( 4, uiCode, "vps_video_parameter_set_id" ); pcVPS->setVPSId( uiCode );
886	READ_CODE( 2, uiCode, "vps_reserved_three_2bits" ); assert(uiCode == 3);
887	#if VPS_RENAME
888	READ_CODE( 6, uiCode, "vps_max_layers_minus1" ); pcVPS->setMaxLayers( uiCode + 1);
889	#else
890	READ_CODE( 6, uiCode, "vps_reserved_zero_6bits" ); assert(uiCode == 0);
891	#endif
892	READ_CODE( 3, uiCode, "vps_max_sub_layers_minus1" ); pcVPS->setMaxTLayers( uiCode + 1 );
893	READ_FLAG( uiCode, "vps_temporal_id_nesting_flag" ); pcVPS->setTemporalNestingFlag( uiCode ? true:false );
894	assert (pcVPS->getMaxTLayers()>1\|\|pcVPS->getTemporalNestingFlag());
895	#if VPS_EXTN_OFFSET
896	READ_CODE( 16, uiCode, "vps_extension_offset" ); pcVPS->setExtensionOffset( uiCode );
897	#else
898	READ_CODE( 16, uiCode, "vps_reserved_ffff_16bits" ); assert(uiCode == 0xffff);
899	#endif
900	parsePTL ( pcVPS->getPTL(), true, pcVPS->getMaxTLayers()-1);
901	UInt subLayerOrderingInfoPresentFlag;
902	READ_FLAG(subLayerOrderingInfoPresentFlag, "vps_sub_layer_ordering_info_present_flag");
903	for(UInt i = 0; i <= pcVPS->getMaxTLayers()-1; i++)
904	{
905	READ_UVLC( uiCode, "vps_max_dec_pic_buffering_minus1[i]" ); pcVPS->setMaxDecPicBuffering( uiCode + 1, i );
906	READ_UVLC( uiCode, "vps_num_reorder_pics[i]" ); pcVPS->setNumReorderPics( uiCode, i );
907	READ_UVLC( uiCode, "vps_max_latency_increase_plus1[i]" ); pcVPS->setMaxLatencyIncrease( uiCode, i );
908
909	if (!subLayerOrderingInfoPresentFlag)
910	{
911	for (i++; i <= pcVPS->getMaxTLayers()-1; i++)
912	{
913	pcVPS->setMaxDecPicBuffering(pcVPS->getMaxDecPicBuffering(0), i);
914	pcVPS->setNumReorderPics(pcVPS->getNumReorderPics(0), i);
915	pcVPS->setMaxLatencyIncrease(pcVPS->getMaxLatencyIncrease(0), i);
916	}
917	break;
918	}
919	}
920
921	#if VPS_RENAME
922	assert( pcVPS->getNumHrdParameters() < MAX_VPS_LAYER_SETS_PLUS1 );
923	assert( pcVPS->getMaxLayerId() < MAX_VPS_LAYER_ID_PLUS1 );
924	READ_CODE( 6, uiCode, "vps_max_layer_id" ); pcVPS->setMaxLayerId( uiCode );
925	READ_UVLC( uiCode, "vps_num_layer_sets_minus1" ); pcVPS->setNumLayerSets( uiCode + 1 );
926	for( UInt opsIdx = 1; opsIdx <= ( pcVPS->getNumLayerSets() - 1 ); opsIdx ++ )
927	{
928	// Operation point set
929	for( UInt i = 0; i <= pcVPS->getMaxLayerId(); i ++ )
930	#else
931	assert( pcVPS->getNumHrdParameters() < MAX_VPS_OP_SETS_PLUS1 );
932	assert( pcVPS->getMaxNuhReservedZeroLayerId() < MAX_VPS_NUH_RESERVED_ZERO_LAYER_ID_PLUS1 );
933	READ_CODE( 6, uiCode, "vps_max_nuh_reserved_zero_layer_id" ); pcVPS->setMaxNuhReservedZeroLayerId( uiCode );
934	READ_UVLC( uiCode, "vps_max_op_sets_minus1" ); pcVPS->setMaxOpSets( uiCode + 1 );
935	for( UInt opsIdx = 1; opsIdx <= ( pcVPS->getMaxOpSets() - 1 ); opsIdx ++ )
936	{
937	// Operation point set
938	for( UInt i = 0; i <= pcVPS->getMaxNuhReservedZeroLayerId(); i ++ )
939	#endif
940	{
941	READ_FLAG( uiCode, "layer_id_included_flag[opsIdx][i]" ); pcVPS->setLayerIdIncludedFlag( uiCode == 1 ? true : false, opsIdx, i );
942	}
943	}
944	#if DERIVE_LAYER_ID_LIST_VARIABLES
945	pcVPS->deriveLayerIdListVariables();
946	#endif
947	TimingInfo *timingInfo = pcVPS->getTimingInfo();
948	READ_FLAG( uiCode, "vps_timing_info_present_flag"); timingInfo->setTimingInfoPresentFlag (uiCode ? true : false);
949	if(timingInfo->getTimingInfoPresentFlag())
950	{
951	READ_CODE( 32, uiCode, "vps_num_units_in_tick"); timingInfo->setNumUnitsInTick (uiCode);
952	READ_CODE( 32, uiCode, "vps_time_scale"); timingInfo->setTimeScale (uiCode);
953	READ_FLAG( uiCode, "vps_poc_proportional_to_timing_flag"); timingInfo->setPocProportionalToTimingFlag(uiCode ? true : false);
954	if(timingInfo->getPocProportionalToTimingFlag())
955	{
956	READ_UVLC( uiCode, "vps_num_ticks_poc_diff_one_minus1"); timingInfo->setNumTicksPocDiffOneMinus1 (uiCode);
957	}
958	READ_UVLC( uiCode, "vps_num_hrd_parameters" ); pcVPS->setNumHrdParameters( uiCode );
959
960	if( pcVPS->getNumHrdParameters() > 0 )
961	{
962	pcVPS->createHrdParamBuffer();
963	}
964	for( UInt i = 0; i < pcVPS->getNumHrdParameters(); i ++ )
965	{
966	READ_UVLC( uiCode, "hrd_op_set_idx" ); pcVPS->setHrdOpSetIdx( uiCode, i );
967	if( i > 0 )
968	{
969	READ_FLAG( uiCode, "cprms_present_flag[i]" ); pcVPS->setCprmsPresentFlag( uiCode == 1 ? true : false, i );
970	}
971	parseHrdParameters(pcVPS->getHrdParameters(i), pcVPS->getCprmsPresentFlag( i ), pcVPS->getMaxTLayers() - 1);
972	}
973	}
974	READ_FLAG( uiCode, "vps_extension_flag" );
975	if (uiCode)
976	{
977	#if VPS_EXTNS
978	while ( m_pcBitstream->getNumBitsRead() % 8 != 0 )
979	{
980	READ_FLAG( uiCode, "vps_extension_alignment_bit_equal_to_one"); assert(uiCode == 1);
981	}
982	parseVPSExtension(pcVPS);
983	READ_FLAG( uiCode, "vps_entension2_flag" );
984	if(uiCode)
985	{
986	while ( xMoreRbspData() )
987	{
988	READ_FLAG( uiCode, "vps_extension_data_flag");
989	}
990	}
991	#else
992	while ( xMoreRbspData() )
993	{
994	READ_FLAG( uiCode, "vps_extension_data_flag");
995	}
996	#endif
997	}
998
999	return;
1000	}
1001
1002	#if VPS_EXTNS
1003	Void TDecCavlc::parseVPSExtension(TComVPS *vps)
1004	{
1005	UInt uiCode;
1006	// ... More syntax elements to be parsed here
1007	#if VPS_EXTN_MASK_AND_DIM_INFO
1008	UInt numScalabilityTypes = 0, i = 0, j = 0;
1009
1010	READ_FLAG( uiCode, "avc_base_layer_flag" ); vps->setAvcBaseLayerFlag(uiCode ? true : false);
1011	READ_FLAG( uiCode, "splitting_flag" ); vps->setSplittingFlag(uiCode ? true : false);
1012
1013	for(i = 0; i < MAX_VPS_NUM_SCALABILITY_TYPES; i++)
1014	{
1015	READ_FLAG( uiCode, "scalability_mask[i]" ); vps->setScalabilityMask(i, uiCode ? true : false);
1016	numScalabilityTypes += uiCode;
1017	}
1018	vps->setNumScalabilityTypes(numScalabilityTypes);
1019
1020	#if VPS_SPLIT_FLAG
1021	for(j = 0; j < numScalabilityTypes - vps->getSplittingFlag(); j++)
1022	#else
1023	for(j = 0; j < numScalabilityTypes; j++)
1024	#endif
1025	{
1026	READ_CODE( 3, uiCode, "dimension_id_len_minus1[j]" ); vps->setDimensionIdLen(j, uiCode + 1);
1027	}
1028	#if VPS_SPLIT_FLAG
1029	if(vps->getSplittingFlag())
1030	{
1031	UInt numBits = 0;
1032	for(j = 0; j < numScalabilityTypes - 1; j++)
1033	{
1034	numBits += vps->getDimensionIdLen(j);
1035	}
1036	assert( numBits < 6 );
1037	vps->setDimensionIdLen(numScalabilityTypes-1, 6 - numBits);
1038	numBits = 6;
1039	}
1040	#else
1041	if(vps->getSplittingFlag())
1042	{
1043	UInt numBits = 0;
1044	for(j = 0; j < numScalabilityTypes; j++)
1045	{
1046	numBits += vps->getDimensionIdLen(j);
1047	}
1048	assert( numBits <= 6 );
1049	}
1050	#endif
1051
1052	READ_FLAG( uiCode, "vps_nuh_layer_id_present_flag" ); vps->setNuhLayerIdPresentFlag(uiCode ? true : false);
1053	vps->setLayerIdInNuh(0, 0);
1054	vps->setLayerIdInVps(0, 0);
1055	for(i = 1; i < vps->getMaxLayers(); i++)
1056	{
1057	if( vps->getNuhLayerIdPresentFlag() )
1058	{
1059	READ_CODE( 6, uiCode, "layer_id_in_nuh[i]" ); vps->setLayerIdInNuh(i, uiCode);
1060	assert( uiCode > vps->getLayerIdInNuh(i-1) );
1061	}
1062	else
1063	{
1064	vps->setLayerIdInNuh(i, i);
1065	}
1066	vps->setLayerIdInVps(vps->getLayerIdInNuh(i), i);
1067
1068	#if VPS_SPLIT_FLAG
1069	if(!vps->getSplittingFlag())
1070	#endif
1071	for(j = 0; j < numScalabilityTypes; j++)
1072	{
1073	READ_CODE( vps->getDimensionIdLen(j), uiCode, "dimension_id[i][j]" ); vps->setDimensionId(i, j, uiCode);
1074	assert( uiCode <= vps->getMaxLayerId() );
1075	}
1076	}
1077	#endif
1078	#if VIEW_ID_RELATED_SIGNALING
1079	// if ( pcVPS->getNumViews() > 1 )
1080	// However, this is a bug in the text since, view_id_len_minus1 is needed to parse view_id_val.
1081	{
1082	READ_CODE( 4, uiCode, "view_id_len_minus1" ); vps->setViewIdLenMinus1( uiCode );
1083	}
1084
1085	for( i = 0; i < vps->getNumViews(); i++ )
1086	{
1087	READ_CODE( vps->getViewIdLenMinus1( ) + 1, uiCode, "view_id_val[i]" ); vps->setViewIdVal( i, uiCode );
1088	}
1089	#endif
1090	#if VPS_MOVE_DIR_DEPENDENCY_FLAG
1091	#if VPS_EXTN_DIRECT_REF_LAYERS
1092	// For layer 0
1093	vps->setNumDirectRefLayers(0, 0);
1094	// For other layers
1095	for( Int layerCtr = 1; layerCtr <= vps->getMaxLayers() - 1; layerCtr++)
1096	{
1097	UInt numDirectRefLayers = 0;
1098	for( Int refLayerCtr = 0; refLayerCtr < layerCtr; refLayerCtr++)
1099	{
1100	READ_FLAG(uiCode, "direct_dependency_flag[i][j]" ); vps->setDirectDependencyFlag(layerCtr, refLayerCtr, uiCode? true : false);
1101	if(uiCode)
1102	{
1103	vps->setRefLayerId(layerCtr, numDirectRefLayers, refLayerCtr);
1104	numDirectRefLayers++;
1105	}
1106	}
1107	vps->setNumDirectRefLayers(layerCtr, numDirectRefLayers);
1108	}
1109	#endif
1110	#endif
1111	#if JCTVC_M0203_INTERLAYER_PRED_IDC
1112	#if N0120_MAX_TID_REF_PRESENT_FLAG
1113	READ_FLAG( uiCode, "max_tid_ref_present_flag"); vps->setMaxTidRefPresentFlag(uiCode ? true : false);
1114	if (vps->getMaxTidRefPresentFlag())
1115	{
1116	for(i = 0; i < vps->getMaxLayers() - 1; i++)
1117	{
1118	READ_CODE( 3, uiCode, "max_tid_il_ref_pics_plus1[i]" ); vps->setMaxTidIlRefPicsPlus1(i, uiCode);
1119	#if N0120_MAX_TID_REF_CFG
1120	assert( uiCode <= vps->getMaxTLayers());
1121	#else
1122	assert( uiCode <= vps->getMaxTLayers()+ 1 );
1123	#endif
1124	}
1125	}
1126	else
1127	{
1128	for(i = 0; i < vps->getMaxLayers() - 1; i++)
1129	{
1130	vps->setMaxTidIlRefPicsPlus1(i, 7);
1131	}
1132	}
1133	#else
1134	for(i = 0; i < vps->getMaxLayers() - 1; i++)
1135	{
1136	READ_CODE( 3, uiCode, "max_tid_il_ref_pics_plus1[i]" ); vps->setMaxTidIlRefPicsPlus1(i, uiCode);
1137	assert( uiCode <= vps->getMaxTLayers() );
1138	}
1139	#endif
1140	#endif
1141	#if ILP_SSH_SIG
1142	READ_FLAG( uiCode, "all_ref_layers_active_flag" ); vps->setIlpSshSignalingEnabledFlag(uiCode ? true : false);
1143	#endif
1144	#if VPS_EXTN_PROFILE_INFO
1145	// Profile-tier-level signalling
1146	#if VPS_PROFILE_OUTPUT_LAYERS
1147	READ_CODE( 10, uiCode, "vps_number_layer_sets_minus1" ); assert( uiCode == (vps->getNumLayerSets() - 1) );
1148	READ_CODE( 6, uiCode, "vps_num_profile_tier_level_minus1"); vps->setNumProfileTierLevel( uiCode + 1 );
1149	vps->getPTLForExtnPtr()->resize(vps->getNumProfileTierLevel());
1150	for(Int idx = 1; idx <= vps->getNumProfileTierLevel() - 1; idx++)
1151	#else
1152	vps->getPTLForExtnPtr()->resize(vps->getNumLayerSets());
1153	for(Int idx = 1; idx <= vps->getNumLayerSets() - 1; idx++)
1154	#endif
1155	{
1156	READ_FLAG( uiCode, "vps_profile_present_flag[i]" ); vps->setProfilePresentFlag(idx, uiCode ? true : false);
1157	if( !vps->getProfilePresentFlag(idx) )
1158	{
1159	#if VPS_PROFILE_OUTPUT_LAYERS
1160	READ_CODE( 6, uiCode, "profile_ref_minus1[i]" ); vps->setProfileLayerSetRef(idx, uiCode + 1);
1161	#else
1162	READ_UVLC( uiCode, "vps_profile_layer_set_ref_minus1[i]" ); vps->setProfileLayerSetRef(idx, uiCode + 1);
1163	#endif
1164	assert( vps->getProfileLayerSetRef(idx) < idx );
1165	// Copy profile information as indicated
1166	vps->getPTLForExtn(idx)->copyProfileInfo( vps->getPTLForExtn( vps->getProfileLayerSetRef(idx) ) );
1167	}
1168	parsePTL( vps->getPTLForExtn(idx), vps->getProfilePresentFlag(idx), vps->getMaxTLayers() - 1 );
1169	}
1170	#endif
1171
1172	#if VPS_PROFILE_OUTPUT_LAYERS
1173	READ_FLAG( uiCode, "more_output_layer_sets_than_default_flag" ); vps->setMoreOutputLayerSetsThanDefaultFlag( uiCode ? true : false );
1174	Int numOutputLayerSets = 0;
1175	if(! vps->getMoreOutputLayerSetsThanDefaultFlag() )
1176	{
1177	numOutputLayerSets = vps->getNumLayerSets();
1178	}
1179	else
1180	{
1181	READ_CODE( 10, uiCode, "num_add_output_layer_sets" ); vps->setNumAddOutputLayerSets( uiCode );
1182	numOutputLayerSets = vps->getNumLayerSets() + vps->getNumAddOutputLayerSets();
1183	}
1184	if( numOutputLayerSets > 1 )
1185	{
1186	READ_FLAG( uiCode, "default_one_target_output_layer_flag" ); vps->setDefaultOneTargetOutputLayerFlag( uiCode ? true : false );
1187	}
1188	vps->setNumOutputLayerSets( numOutputLayerSets );
1189
1190	for(i = 1; i < numOutputLayerSets; i++)
1191	{
1192	if( i > (vps->getNumLayerSets() - 1) )
1193	{
1194	Int numBits = 1;
1195	while ((1 << numBits) < (vps->getNumLayerSets() - 1))
1196	{
1197	numBits++;
1198	}
1199	READ_CODE( numBits, uiCode, "output_layer_set_idx_minus1"); vps->setOutputLayerSetIdx( i, uiCode + 1);
1200	Int lsIdx = vps->getOutputLayerSetIdx(i);
1201	for(j = 0; j < vps->getNumLayersInIdList(lsIdx) - 1; j++)
1202	{
1203	READ_FLAG( uiCode, "output_layer_flag[i][j]"); vps->setOutputLayerFlag(i, j, uiCode);
1204	}
1205	}
1206	else
1207	{
1208	// i <= (vps->getNumLayerSets() - 1)
1209	// Assign OutputLayerFlag depending on default_one_target_output_layer_flag
1210	Int lsIdx = i;
1211	if( vps->getDefaultOneTargetOutputLayerFlag() )
1212	{
1213	for(j = 0; j < vps->getNumLayersInIdList(lsIdx); j++)
1214	{
1215	vps->setOutputLayerFlag(i, j, (j == (vps->getNumLayersInIdList(lsIdx)-1)));
1216	}
1217	}
1218	else
1219	{
1220	for(j = 0; j < vps->getNumLayersInIdList(lsIdx); j++)
1221	{
1222	vps->setOutputLayerFlag(i, j, 1);
1223	}
1224	}
1225	}
1226	Int numBits = 1;
1227	while ((1 << numBits) < (vps->getNumProfileTierLevel()))
1228	{
1229	numBits++;
1230	}
1231	READ_CODE( numBits, uiCode, "profile_level_tier_idx[i]" ); vps->setProfileLevelTierIdx(i, uiCode);
1232	}
1233	#else
1234	#if VPS_EXTN_OP_LAYER_SETS
1235	// Target output layer signalling
1236	READ_UVLC( uiCode, "vps_num_output_layer_sets"); vps->setNumOutputLayerSets(uiCode);
1237	for(i = 0; i < vps->getNumOutputLayerSets(); i++)
1238	{
1239	#if VPS_OUTPUT_LAYER_SET_IDX
1240	READ_UVLC( uiCode, "vps_output_layer_set_idx_minus1[i]"); vps->setOutputLayerSetIdx(i, uiCode + 1);
1241	#else
1242	READ_UVLC( uiCode, "vps_output_layer_set_idx[i]"); vps->setOutputLayerSetIdx(i, uiCode);
1243	#endif
1244	Int lsIdx = vps->getOutputLayerSetIdx(i);
1245	for(j = 0; j <= vps->getMaxLayerId(); j++)
1246	{
1247	if(vps->getLayerIdIncludedFlag(lsIdx, j))
1248	{
1249	READ_FLAG( uiCode, "vps_output_layer_flag[lsIdx][j]"); vps->setOutputLayerFlag(lsIdx, j, uiCode);
1250	}
1251	}
1252	}
1253	#endif
1254	#endif
1255	#if REPN_FORMAT_IN_VPS
1256	READ_FLAG( uiCode, "rep_format_idx_present_flag");
1257	vps->setRepFormatIdxPresentFlag( uiCode ? true : false );
1258
1259	if( vps->getRepFormatIdxPresentFlag() )
1260	{
1261	READ_CODE( 4, uiCode, "vps_num_rep_formats_minus1" );
1262	vps->setVpsNumRepFormats( uiCode + 1 );
1263	}
1264	else
1265	{
1266	// default assignment
1267	assert (vps->getMaxLayers() <= 16); // If max_layers_is more than 15, num_rep_formats has to be signaled
1268	vps->setVpsNumRepFormats( vps->getMaxLayers() );
1269	}
1270	for(i = 0; i < vps->getVpsNumRepFormats(); i++)
1271	{
1272	// Read rep_format_structures
1273	parseRepFormat( vps->getVpsRepFormat(i) );
1274	}
1275
1276	// Default assignment for layer 0
1277	vps->setVpsRepFormatIdx( 0, 0 );
1278	if( vps->getRepFormatIdxPresentFlag() )
1279	{
1280	for(i = 1; i < vps->getMaxLayers(); i++)
1281	{
1282	if( vps->getVpsNumRepFormats() > 1 )
1283	{
1284	READ_CODE( 4, uiCode, "vps_rep_format_idx[i]" );
1285	vps->setVpsRepFormatIdx( i, uiCode );
1286	}
1287	else
1288	{
1289	// default assignment - only one rep_format() structure
1290	vps->setVpsRepFormatIdx( i, 0 );
1291	}
1292	}
1293	}
1294	else
1295	{
1296	// default assignment - each layer assigned each rep_format() structure in the order signaled
1297	for(i = 1; i < vps->getMaxLayers(); i++)
1298	{
1299	vps->setVpsRepFormatIdx( i, i );
1300	}
1301	}
1302	#endif
1303	#if JCTVC_M0458_INTERLAYER_RPS_SIG
1304	READ_FLAG(uiCode, "max_one_active_ref_layer_flag" );
1305	vps->setMaxOneActiveRefLayerFlag(uiCode);
1306	#endif
1307
1308	#if N0147_IRAP_ALIGN_FLAG
1309	READ_FLAG(uiCode, "cross_layer_irap_aligned_flag" );
1310	vps->setCrossLayerIrapAlignFlag(uiCode);
1311	#endif
1312
1313	#if !VPS_MOVE_DIR_DEPENDENCY_FLAG
1314	#if VPS_EXTN_DIRECT_REF_LAYERS
1315	// For layer 0
1316	vps->setNumDirectRefLayers(0, 0);
1317	// For other layers
1318	for( Int layerCtr = 1; layerCtr <= vps->getMaxLayers() - 1; layerCtr++)
1319	{
1320	UInt numDirectRefLayers = 0;
1321	for( Int refLayerCtr = 0; refLayerCtr < layerCtr; refLayerCtr++)
1322	{
1323	READ_FLAG(uiCode, "direct_dependency_flag[i][j]" ); vps->setDirectDependencyFlag(layerCtr, refLayerCtr, uiCode? true : false);
1324	if(uiCode)
1325	{
1326	vps->setRefLayerId(layerCtr, numDirectRefLayers, refLayerCtr);
1327	numDirectRefLayers++;
1328	}
1329	}
1330	vps->setNumDirectRefLayers(layerCtr, numDirectRefLayers);
1331	}
1332	#endif
1333	#endif
1334	#if VPS_EXTN_DIRECT_REF_LAYERS && M0457_PREDICTION_INDICATIONS
1335	READ_UVLC( uiCode, "direct_dep_type_len_minus2"); vps->setDirectDepTypeLen(uiCode+2);
1336	for(i = 1; i < vps->getMaxLayers(); i++)
1337	{
1338	for(j = 0; j < i; j++)
1339	{
1340	if (vps->getDirectDependencyFlag(i, j))
1341	{
1342	READ_CODE( vps->getDirectDepTypeLen(), uiCode, "direct_dependency_type[i][j]" ); vps->setDirectDependencyType(i, j, uiCode);
1343	}
1344	}
1345	}
1346
1347	#endif
1348
1349	#if IL_SL_SIGNALLING_N0371
1350	for(i = 1; i < vps->getMaxLayers(); i++)
1351	{
1352	for(j = 0; j < i; j++)
1353	{
1354	vps->setScalingListLayerDependency( i, j, vps->checkLayerDependency( i,j ) );
1355	}
1356	}
1357	#endif
1358
1359	#if M0040_ADAPTIVE_RESOLUTION_CHANGE
1360	READ_FLAG(uiCode, "single_layer_for_non_irap_flag" ); vps->setSingleLayerForNonIrapFlag(uiCode == 1 ? true : false);
1361	#endif
1362
1363	READ_FLAG( uiCode, "vps_vui_present_flag" );
1364	if (uiCode)
1365	{
1366	#if VPS_VUI
1367	while ( m_pcBitstream->getNumBitsRead() % 8 != 0 )
1368	{
1369	READ_FLAG( uiCode, "vps_vui_alignment_bit_equal_to_one"); assert(uiCode == 1);
1370	}
1371	parseVPSVUI(vps);
1372	#endif
1373	}
1374	}
1375	#endif
1376	#if REPN_FORMAT_IN_VPS
1377	Void TDecCavlc::parseRepFormat ( RepFormat *repFormat )
1378	{
1379	UInt uiCode;
1380	READ_CODE( 2, uiCode, "chroma_format_idc" ); repFormat->setChromaFormatVpsIdc( uiCode );
1381
1382	if( repFormat->getChromaFormatVpsIdc() == 3 )
1383	{
1384	READ_FLAG( uiCode, "separate_colour_plane_flag"); repFormat->setSeparateColourPlaneVpsFlag(uiCode ? true : false);
1385	}
1386
1387	READ_CODE ( 16, uiCode, "pic_width_in_luma_samples" ); repFormat->setPicWidthVpsInLumaSamples ( uiCode );
1388	READ_CODE ( 16, uiCode, "pic_height_in_luma_samples" ); repFormat->setPicHeightVpsInLumaSamples( uiCode );
1389
1390	READ_CODE( 4, uiCode, "bit_depth_luma_minus8" ); repFormat->setBitDepthVpsLuma ( uiCode + 8 );
1391	READ_CODE( 4, uiCode, "bit_depth_chroma_minus8" ); repFormat->setBitDepthVpsChroma( uiCode + 8 );
1392
1393	}
1394	#endif
1395	#if VPS_VUI
1396	Void TDecCavlc::parseVPSVUI(TComVPS *vps)
1397	{
1398	UInt i,j;
1399	UInt uiCode;
1400	#if VPS_VUI_BITRATE_PICRATE
1401	READ_FLAG( uiCode, "bit_rate_present_vps_flag" ); vps->setBitRatePresentVpsFlag( uiCode ? true : false );
1402	READ_FLAG( uiCode, "pic_rate_present_vps_flag" ); vps->setPicRatePresentVpsFlag( uiCode ? true : false );
1403
1404	Bool parseFlag = vps->getBitRatePresentVpsFlag() \|\| vps->getPicRatePresentVpsFlag();
1405	{
1406	for( i = 0; i < vps->getNumLayerSets(); i++ )
1407	{
1408	for( j = 0; j < vps->getMaxTLayers(); j++ )
1409	{
1410	if( parseFlag && vps->getBitRatePresentVpsFlag() )
1411	{
1412	READ_FLAG( uiCode, "bit_rate_present_vps_flag[i][j]" ); vps->setBitRatePresentFlag( i, j, uiCode ? true : false );
1413	}
1414	else
1415	{
1416	vps->setBitRatePresentFlag( i, j, false );
1417	}
1418	if( parseFlag && vps->getPicRatePresentVpsFlag() )
1419	{
1420	READ_FLAG( uiCode, "pic_rate_present_vps_flag[i][j]" ); vps->setPicRatePresentFlag( i, j, uiCode ? true : false );
1421	}
1422	else
1423	{
1424	vps->setPicRatePresentFlag( i, j, false );
1425	}
1426	if( parseFlag && vps->getBitRatePresentFlag(i, j) )
1427	{
1428	READ_CODE( 16, uiCode, "avg_bit_rate[i][j]" ); vps->setAvgBitRate( i, j, uiCode );
1429	READ_CODE( 16, uiCode, "max_bit_rate[i][j]" ); vps->setMaxBitRate( i, j, uiCode );
1430	}
1431	else
1432	{
1433	vps->setAvgBitRate( i, j, 0 );
1434	vps->setMaxBitRate( i, j, 0 );
1435	}
1436	if( parseFlag && vps->getPicRatePresentFlag(i, j) )
1437	{
1438	READ_CODE( 2 , uiCode, "constant_pic_rate_idc[i][j]" ); vps->setConstPicRateIdc( i, j, uiCode );
1439	READ_CODE( 16, uiCode, "avg_pic_rate[i][j]" ); vps->setAvgPicRate( i, j, uiCode );
1440	}
1441	else
1442	{
1443	vps->setConstPicRateIdc( i, j, 0 );
1444	vps->setAvgPicRate ( i, j, 0 );
1445	}
1446	}
1447	}
1448	}
1449	#endif
1450	#if TILE_BOUNDARY_ALIGNED_FLAG
1451	for(i = 1; i < vps->getMaxLayers(); i++)
1452	{
1453	for(j = 0; j < vps->getNumDirectRefLayers(vps->getLayerIdInNuh(i)); j++)
1454	{
1455	READ_FLAG( uiCode, "tile_boundaries_aligned_flag[i][j]" ); vps->setTileBoundariesAlignedFlag(i,j,(uiCode == 1));
1456	}
1457	}
1458	#endif
1459	#if N0160_VUI_EXT_ILP_REF
1460	READ_FLAG( uiCode, "num_ilp_restricted_ref_layers" ); vps->setNumIlpRestrictedRefLayers( uiCode == 1 );
1461	if( vps->getNumIlpRestrictedRefLayers())
1462	{
1463	for(i = 1; i < vps->getMaxLayers(); i++)
1464	{
1465	for(j = 0; j < vps->getNumDirectRefLayers(vps->getLayerIdInNuh(i)); j++)
1466	{
1467	READ_UVLC( uiCode, "min_spatial_segment_offset_plus1[i][j]" ); vps->setMinSpatialSegmentOffsetPlus1( i, j, uiCode );
1468	if( vps->getMinSpatialSegmentOffsetPlus1(i,j ) > 0 )
1469	{
1470	READ_FLAG( uiCode, "ctu_based_offset_enabled_flag[i][j]"); vps->setCtuBasedOffsetEnabledFlag(i, j, uiCode == 1 );
1471	if(vps->getCtuBasedOffsetEnabledFlag(i,j))
1472	{
1473	READ_UVLC( uiCode, "min_horizontal_ctu_offset_plus1[i][j]"); vps->setMinHorizontalCtuOffsetPlus1( i,j, uiCode );
1474	}
1475	}
1476	}
1477	}
1478	}
1479	#endif
1480	}
1481	#endif
1482	Void TDecCavlc::parseSliceHeader (TComSlice& rpcSlice, ParameterSetManagerDecoder parameterSetManager)
1483	{
1484	UInt uiCode;
1485	Int iCode;
1486
1487	#if ENC_DEC_TRACE
1488	xTraceSliceHeader(rpcSlice);
1489	#endif
1490	TComPPS* pps = NULL;
1491	TComSPS* sps = NULL;
1492
1493	UInt firstSliceSegmentInPic;
1494	READ_FLAG( firstSliceSegmentInPic, "first_slice_segment_in_pic_flag" );
1495	if( rpcSlice->getRapPicFlag())
1496	{
1497	READ_FLAG( uiCode, "no_output_of_prior_pics_flag" ); //ignored
1498	}
1499	READ_UVLC ( uiCode, "slice_pic_parameter_set_id" ); rpcSlice->setPPSId(uiCode);
1500	pps = parameterSetManager->getPrefetchedPPS(uiCode);
1501	//!KS: need to add error handling code here, if PPS is not available
1502	assert(pps!=0);
1503	sps = parameterSetManager->getPrefetchedSPS(pps->getSPSId());
1504	//!KS: need to add error handling code here, if SPS is not available
1505	assert(sps!=0);
1506	rpcSlice->setSPS(sps);
1507	rpcSlice->setPPS(pps);
1508	if( pps->getDependentSliceSegmentsEnabledFlag() && ( !firstSliceSegmentInPic ))
1509	{
1510	READ_FLAG( uiCode, "dependent_slice_segment_flag" ); rpcSlice->setDependentSliceSegmentFlag(uiCode ? true : false);
1511	}
1512	else
1513	{
1514	rpcSlice->setDependentSliceSegmentFlag(false);
1515	}
1516	#if REPN_FORMAT_IN_VPS
1517	Int numCTUs = ((rpcSlice->getPicWidthInLumaSamples()+sps->getMaxCUWidth()-1)/sps->getMaxCUWidth())*((rpcSlice->getPicHeightInLumaSamples()+sps->getMaxCUHeight()-1)/sps->getMaxCUHeight());
1518	#else
1519	Int numCTUs = ((sps->getPicWidthInLumaSamples()+sps->getMaxCUWidth()-1)/sps->getMaxCUWidth())*((sps->getPicHeightInLumaSamples()+sps->getMaxCUHeight()-1)/sps->getMaxCUHeight());
1520	#endif
1521	Int maxParts = (1<<(sps->getMaxCUDepth()<<1));
1522	UInt sliceSegmentAddress = 0;
1523	Int bitsSliceSegmentAddress = 0;
1524	while(numCTUs>(1<<bitsSliceSegmentAddress))
1525	{
1526	bitsSliceSegmentAddress++;
1527	}
1528
1529	if(!firstSliceSegmentInPic)
1530	{
1531	READ_CODE( bitsSliceSegmentAddress, sliceSegmentAddress, "slice_segment_address" );
1532	}
1533	//set uiCode to equal slice start address (or dependent slice start address)
1534	Int startCuAddress = maxParts*sliceSegmentAddress;
1535	rpcSlice->setSliceSegmentCurStartCUAddr( startCuAddress );
1536	rpcSlice->setSliceSegmentCurEndCUAddr(numCTUs*maxParts);
1537
1538	if (rpcSlice->getDependentSliceSegmentFlag())
1539	{
1540	rpcSlice->setNextSlice ( false );
1541	rpcSlice->setNextSliceSegment ( true );
1542	}
1543	else
1544	{
1545	rpcSlice->setNextSlice ( true );
1546	rpcSlice->setNextSliceSegment ( false );
1547
1548	rpcSlice->setSliceCurStartCUAddr(startCuAddress);
1549	rpcSlice->setSliceCurEndCUAddr(numCTUs*maxParts);
1550	}
1551
1552	if(!rpcSlice->getDependentSliceSegmentFlag())
1553	{
1554	#if POC_RESET_FLAG
1555	Int iBits = 0;
1556	if(rpcSlice->getPPS()->getNumExtraSliceHeaderBits() > iBits)
1557	{
1558	READ_FLAG(uiCode, "poc_reset_flag"); rpcSlice->setPocResetFlag( uiCode ? true : false );
1559	iBits++;
1560	}
1561	if(rpcSlice->getPPS()->getNumExtraSliceHeaderBits() > iBits)
1562	{
1563	READ_FLAG(uiCode, "discardable_flag"); // ignored
1564	iBits++;
1565	}
1566	for (; iBits < rpcSlice->getPPS()->getNumExtraSliceHeaderBits(); iBits++)
1567	{
1568	READ_FLAG(uiCode, "slice_reserved_undetermined_flag[]"); // ignored
1569	}
1570	#else
1571	#if SH_DISCARDABLE_FLAG
1572	if(rpcSlice->getPPS()->getNumExtraSliceHeaderBits()>0)
1573	{
1574	READ_FLAG(uiCode, "discardable_flag"); // ignored
1575	}
1576	for (Int i = 1; i < rpcSlice->getPPS()->getNumExtraSliceHeaderBits(); i++)
1577	{
1578	READ_FLAG(uiCode, "slice_reserved_undetermined_flag[]"); // ignored
1579	}
1580	#else
1581	for (Int i = 0; i < rpcSlice->getPPS()->getNumExtraSliceHeaderBits(); i++)
1582	{
1583	READ_FLAG(uiCode, "slice_reserved_undetermined_flag[]"); // ignored
1584	}
1585	#endif
1586	#endif
1587
1588	READ_UVLC ( uiCode, "slice_type" ); rpcSlice->setSliceType((SliceType)uiCode);
1589	if( pps->getOutputFlagPresentFlag() )
1590	{
1591	READ_FLAG( uiCode, "pic_output_flag" ); rpcSlice->setPicOutputFlag( uiCode ? true : false );
1592	}
1593	else
1594	{
1595	rpcSlice->setPicOutputFlag( true );
1596	}
1597	// in the first version chroma_format_idc is equal to one, thus colour_plane_id will not be present
1598	assert (sps->getChromaFormatIdc() == 1 );
1599	// if( separate_colour_plane_flag == 1 )
1600	// colour_plane_id u(2)
1601
1602	if( rpcSlice->getIdrPicFlag() )
1603	{
1604	rpcSlice->setPOC(0);
1605	TComReferencePictureSet* rps = rpcSlice->getLocalRPS();
1606	rps->setNumberOfNegativePictures(0);
1607	rps->setNumberOfPositivePictures(0);
1608	rps->setNumberOfLongtermPictures(0);
1609	rps->setNumberOfPictures(0);
1610	rpcSlice->setRPS(rps);
1611	}
1612	#if N0065_LAYER_POC_ALIGNMENT
1613	if( rpcSlice->getLayerId() > 0 \|\| !rpcSlice->getIdrPicFlag() )
1614	#else
1615	else
1616	#endif
1617	{
1618	READ_CODE(sps->getBitsForPOC(), uiCode, "pic_order_cnt_lsb");
1619	Int iPOClsb = uiCode;
1620	Int iPrevPOC = rpcSlice->getPrevTid0POC();
1621	Int iMaxPOClsb = 1<< sps->getBitsForPOC();
1622	Int iPrevPOClsb = iPrevPOC & (iMaxPOClsb - 1);
1623	Int iPrevPOCmsb = iPrevPOC-iPrevPOClsb;
1624	Int iPOCmsb;
1625	if( ( iPOClsb < iPrevPOClsb ) && ( ( iPrevPOClsb - iPOClsb ) >= ( iMaxPOClsb / 2 ) ) )
1626	{
1627	iPOCmsb = iPrevPOCmsb + iMaxPOClsb;
1628	}
1629	else if( (iPOClsb > iPrevPOClsb ) && ( (iPOClsb - iPrevPOClsb ) > ( iMaxPOClsb / 2 ) ) )
1630	{
1631	iPOCmsb = iPrevPOCmsb - iMaxPOClsb;
1632	}
1633	else
1634	{
1635	iPOCmsb = iPrevPOCmsb;
1636	}
1637	if ( rpcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_LP
1638	\|\| rpcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_RADL
1639	\|\| rpcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_N_LP )
1640	{
1641	// For BLA picture types, POCmsb is set to 0.
1642	iPOCmsb = 0;
1643	}
1644	rpcSlice->setPOC (iPOCmsb+iPOClsb);
1645
1646	#if N0065_LAYER_POC_ALIGNMENT
1647	if( !rpcSlice->getIdrPicFlag() )
1648	{
1649	#endif
1650	TComReferencePictureSet* rps;
1651	rps = rpcSlice->getLocalRPS();
1652	rpcSlice->setRPS(rps);
1653	READ_FLAG( uiCode, "short_term_ref_pic_set_sps_flag" );
1654	if(uiCode == 0) // use short-term reference picture set explicitly signalled in slice header
1655	{
1656	parseShortTermRefPicSet(sps,rps, sps->getRPSList()->getNumberOfReferencePictureSets());
1657	}
1658	else // use reference to short-term reference picture set in PPS
1659	{
1660	Int numBits = 0;
1661	while ((1 << numBits) < rpcSlice->getSPS()->getRPSList()->getNumberOfReferencePictureSets())
1662	{
1663	numBits++;
1664	}
1665	if (numBits > 0)
1666	{
1667	READ_CODE( numBits, uiCode, "short_term_ref_pic_set_idx");
1668	}
1669	else
1670	{
1671	uiCode = 0;
1672	}
1673	rps = (sps->getRPSList()->getReferencePictureSet(uiCode));
1674	}
1675	if(sps->getLongTermRefsPresent())
1676	{
1677	Int offset = rps->getNumberOfNegativePictures()+rps->getNumberOfPositivePictures();
1678	UInt numOfLtrp = 0;
1679	UInt numLtrpInSPS = 0;
1680	if (rpcSlice->getSPS()->getNumLongTermRefPicSPS() > 0)
1681	{
1682	READ_UVLC( uiCode, "num_long_term_sps");
1683	numLtrpInSPS = uiCode;
1684	numOfLtrp += numLtrpInSPS;
1685	rps->setNumberOfLongtermPictures(numOfLtrp);
1686	}
1687	Int bitsForLtrpInSPS = 0;
1688	while (rpcSlice->getSPS()->getNumLongTermRefPicSPS() > (1 << bitsForLtrpInSPS))
1689	{
1690	bitsForLtrpInSPS++;
1691	}
1692	READ_UVLC( uiCode, "num_long_term_pics"); rps->setNumberOfLongtermPictures(uiCode);
1693	numOfLtrp += uiCode;
1694	rps->setNumberOfLongtermPictures(numOfLtrp);
1695	Int maxPicOrderCntLSB = 1 << rpcSlice->getSPS()->getBitsForPOC();
1696	Int prevDeltaMSB = 0, deltaPocMSBCycleLT = 0;;
1697	for(Int j=offset+rps->getNumberOfLongtermPictures()-1, k = 0; k < numOfLtrp; j--, k++)
1698	{
1699	Int pocLsbLt;
1700	if (k < numLtrpInSPS)
1701	{
1702	uiCode = 0;
1703	if (bitsForLtrpInSPS > 0)
1704	{
1705	READ_CODE(bitsForLtrpInSPS, uiCode, "lt_idx_sps[i]");
1706	}
1707	Int usedByCurrFromSPS=rpcSlice->getSPS()->getUsedByCurrPicLtSPSFlag(uiCode);
1708
1709	pocLsbLt = rpcSlice->getSPS()->getLtRefPicPocLsbSps(uiCode);
1710	rps->setUsed(j,usedByCurrFromSPS);
1711	}
1712	else
1713	{
1714	READ_CODE(rpcSlice->getSPS()->getBitsForPOC(), uiCode, "poc_lsb_lt"); pocLsbLt= uiCode;
1715	READ_FLAG( uiCode, "used_by_curr_pic_lt_flag"); rps->setUsed(j,uiCode);
1716	}
1717	READ_FLAG(uiCode,"delta_poc_msb_present_flag");
1718	Bool mSBPresentFlag = uiCode ? true : false;
1719	if(mSBPresentFlag)
1720	{
1721	READ_UVLC( uiCode, "delta_poc_msb_cycle_lt[i]" );
1722	Bool deltaFlag = false;
1723	// First LTRP \|\| First LTRP from SH
1724	if( (j == offset+rps->getNumberOfLongtermPictures()-1) \|\| (j == offset+(numOfLtrp-numLtrpInSPS)-1) )
1725	{
1726	deltaFlag = true;
1727	}
1728	if(deltaFlag)
1729	{
1730	deltaPocMSBCycleLT = uiCode;
1731	}
1732	else
1733	{
1734	deltaPocMSBCycleLT = uiCode + prevDeltaMSB;
1735	}
1736
1737	Int pocLTCurr = rpcSlice->getPOC() - deltaPocMSBCycleLT * maxPicOrderCntLSB
1738	- iPOClsb + pocLsbLt;
1739	rps->setPOC (j, pocLTCurr);
1740	rps->setDeltaPOC(j, - rpcSlice->getPOC() + pocLTCurr);
1741	rps->setCheckLTMSBPresent(j,true);
1742	}
1743	else
1744	{
1745	rps->setPOC (j, pocLsbLt);
1746	rps->setDeltaPOC(j, - rpcSlice->getPOC() + pocLsbLt);
1747	rps->setCheckLTMSBPresent(j,false);
1748
1749	// reset deltaPocMSBCycleLT for first LTRP from slice header if MSB not present
1750	if( j == offset+(numOfLtrp-numLtrpInSPS)-1 )
1751	{
1752	deltaPocMSBCycleLT = 0;
1753	}
1754	}
1755	prevDeltaMSB = deltaPocMSBCycleLT;
1756	}
1757	offset += rps->getNumberOfLongtermPictures();
1758	rps->setNumberOfPictures(offset);
1759	}
1760	if ( rpcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_LP
1761	\|\| rpcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_RADL
1762	\|\| rpcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_N_LP )
1763	{
1764	// In the case of BLA picture types, rps data is read from slice header but ignored
1765	rps = rpcSlice->getLocalRPS();
1766	rps->setNumberOfNegativePictures(0);
1767	rps->setNumberOfPositivePictures(0);
1768	rps->setNumberOfLongtermPictures(0);
1769	rps->setNumberOfPictures(0);
1770	rpcSlice->setRPS(rps);
1771	}
1772	if (rpcSlice->getSPS()->getTMVPFlagsPresent())
1773	{
1774	READ_FLAG( uiCode, "slice_temporal_mvp_enable_flag" );
1775	rpcSlice->setEnableTMVPFlag( uiCode == 1 ? true : false );
1776	}
1777	else
1778	{
1779	rpcSlice->setEnableTMVPFlag(false);
1780	}
1781	#if N0065_LAYER_POC_ALIGNMENT
1782	}
1783	#endif
1784	}
1785
1786	#if SVC_EXTENSION
1787	#if JCTVC_M0458_INTERLAYER_RPS_SIG
1788	rpcSlice->setActiveNumILRRefIdx(0);
1789	#if ILP_SSH_SIG
1790	if((sps->getLayerId() > 0) && rpcSlice->getVPS()->getIlpSshSignalingEnabledFlag() && (rpcSlice->getNumILRRefIdx() > 0) )
1791	#else
1792	if((sps->getLayerId() > 0) && (rpcSlice->getNumILRRefIdx() > 0) )
1793	#endif
1794	{
1795	READ_FLAG(uiCode,"inter_layer_pred_enabled_flag");
1796	rpcSlice->setInterLayerPredEnabledFlag(uiCode);
1797	if( rpcSlice->getInterLayerPredEnabledFlag())
1798	{
1799	if(rpcSlice->getNumILRRefIdx() > 1)
1800	{
1801	Int numBits = 1;
1802	while ((1 << numBits) < rpcSlice->getNumILRRefIdx())
1803	{
1804	numBits++;
1805	}
1806	if( !rpcSlice->getVPS()->getMaxOneActiveRefLayerFlag())
1807	{
1808	READ_CODE( numBits, uiCode,"num_inter_layer_ref_pics_minus1" );
1809	rpcSlice->setActiveNumILRRefIdx(uiCode + 1);
1810	}
1811	else
1812	{
1813	rpcSlice->setActiveNumILRRefIdx(1);
1814	}
1815	#if ILP_NUM_REF_CHK
1816	if( rpcSlice->getActiveNumILRRefIdx() == rpcSlice->getNumILRRefIdx() )
1817	{
1818	for( Int i = 0; i < rpcSlice->getActiveNumILRRefIdx(); i++ )
1819	{
1820	rpcSlice->setInterLayerPredLayerIdc(i,i);
1821	}
1822	}
1823	else
1824	{
1825	#endif
1826	for(Int i = 0; i < rpcSlice->getActiveNumILRRefIdx(); i++ )
1827	{
1828	READ_CODE( numBits,uiCode,"inter_layer_pred_layer_idc[i]" );
1829	rpcSlice->setInterLayerPredLayerIdc(uiCode,i);
1830	}
1831	#if ILP_NUM_REF_CHK
1832	}
1833	#endif
1834	}
1835	else
1836	{
1837	rpcSlice->setActiveNumILRRefIdx(1);
1838	rpcSlice->setInterLayerPredLayerIdc(0,0);
1839	}
1840	}
1841	}
1842	#if ILP_SSH_SIG
1843	else if( rpcSlice->getVPS()->getIlpSshSignalingEnabledFlag() == false )
1844	{
1845	rpcSlice->setInterLayerPredEnabledFlag(true);
1846	rpcSlice->setActiveNumILRRefIdx(rpcSlice->getNumILRRefIdx());
1847	for( Int i = 0; i < rpcSlice->getActiveNumILRRefIdx(); i++ )
1848	{
1849	rpcSlice->setInterLayerPredLayerIdc(i,i);
1850	}
1851	}
1852	#endif
1853	#if M0457_IL_SAMPLE_PRED_ONLY_FLAG
1854	rpcSlice->setInterLayerSamplePredOnlyFlag( false );
1855	if( rpcSlice->getNumSamplePredRefLayers() > 0 && rpcSlice->getActiveNumILRRefIdx() > 0 )
1856	{
1857	READ_FLAG( uiCode, "inter_layer_sample_pred_only_flag" );
1858	rpcSlice->setInterLayerSamplePredOnlyFlag( uiCode > 0 );
1859	}
1860	#endif
1861	#else
1862	if( rpcSlice->getLayerId() > 0 )
1863	{
1864	rpcSlice->setNumILRRefIdx( rpcSlice->getVPS()->getNumDirectRefLayers( rpcSlice->getLayerId() ) );
1865	}
1866	#endif
1867	#endif
1868
1869	if(sps->getUseSAO())
1870	{
1871	READ_FLAG(uiCode, "slice_sao_luma_flag"); rpcSlice->setSaoEnabledFlag((Bool)uiCode);
1872	READ_FLAG(uiCode, "slice_sao_chroma_flag"); rpcSlice->setSaoEnabledFlagChroma((Bool)uiCode);
1873	}
1874
1875	if (rpcSlice->getIdrPicFlag())
1876	{
1877	rpcSlice->setEnableTMVPFlag(false);
1878	}
1879	if (!rpcSlice->isIntra())
1880	{
1881
1882	READ_FLAG( uiCode, "num_ref_idx_active_override_flag");
1883	if (uiCode)
1884	{
1885	READ_UVLC (uiCode, "num_ref_idx_l0_active_minus1" ); rpcSlice->setNumRefIdx( REF_PIC_LIST_0, uiCode + 1 );
1886	if (rpcSlice->isInterB())
1887	{
1888	READ_UVLC (uiCode, "num_ref_idx_l1_active_minus1" ); rpcSlice->setNumRefIdx( REF_PIC_LIST_1, uiCode + 1 );
1889	}
1890	else
1891	{
1892	rpcSlice->setNumRefIdx(REF_PIC_LIST_1, 0);
1893	}
1894	}
1895	else
1896	{
1897	rpcSlice->setNumRefIdx(REF_PIC_LIST_0, rpcSlice->getPPS()->getNumRefIdxL0DefaultActive());
1898	if (rpcSlice->isInterB())
1899	{
1900	rpcSlice->setNumRefIdx(REF_PIC_LIST_1, rpcSlice->getPPS()->getNumRefIdxL1DefaultActive());
1901	}
1902	else
1903	{
1904	rpcSlice->setNumRefIdx(REF_PIC_LIST_1,0);
1905	}
1906	}
1907	}
1908	// }
1909	TComRefPicListModification* refPicListModification = rpcSlice->getRefPicListModification();
1910	if(!rpcSlice->isIntra())
1911	{
1912	if( !rpcSlice->getPPS()->getListsModificationPresentFlag() \|\| rpcSlice->getNumRpsCurrTempList() <= 1 )
1913	{
1914	refPicListModification->setRefPicListModificationFlagL0( 0 );
1915	}
1916	else
1917	{
1918	READ_FLAG( uiCode, "ref_pic_list_modification_flag_l0" ); refPicListModification->setRefPicListModificationFlagL0( uiCode ? 1 : 0 );
1919	}
1920
1921	if(refPicListModification->getRefPicListModificationFlagL0())
1922	{
1923	uiCode = 0;
1924	Int i = 0;
1925	Int numRpsCurrTempList0 = rpcSlice->getNumRpsCurrTempList();
1926	if ( numRpsCurrTempList0 > 1 )
1927	{
1928	Int length = 1;
1929	numRpsCurrTempList0 --;
1930	while ( numRpsCurrTempList0 >>= 1)
1931	{
1932	length ++;
1933	}
1934	for (i = 0; i < rpcSlice->getNumRefIdx(REF_PIC_LIST_0); i ++)
1935	{
1936	READ_CODE( length, uiCode, "list_entry_l0" );
1937	refPicListModification->setRefPicSetIdxL0(i, uiCode );
1938	}
1939	}
1940	else
1941	{
1942	for (i = 0; i < rpcSlice->getNumRefIdx(REF_PIC_LIST_0); i ++)
1943	{
1944	refPicListModification->setRefPicSetIdxL0(i, 0 );
1945	}
1946	}
1947	}
1948	}
1949	else
1950	{
1951	refPicListModification->setRefPicListModificationFlagL0(0);
1952	}
1953	if(rpcSlice->isInterB())
1954	{
1955	if( !rpcSlice->getPPS()->getListsModificationPresentFlag() \|\| rpcSlice->getNumRpsCurrTempList() <= 1 )
1956	{
1957	refPicListModification->setRefPicListModificationFlagL1( 0 );
1958	}
1959	else
1960	{
1961	READ_FLAG( uiCode, "ref_pic_list_modification_flag_l1" ); refPicListModification->setRefPicListModificationFlagL1( uiCode ? 1 : 0 );
1962	}
1963	if(refPicListModification->getRefPicListModificationFlagL1())
1964	{
1965	uiCode = 0;
1966	Int i = 0;
1967	Int numRpsCurrTempList1 = rpcSlice->getNumRpsCurrTempList();
1968	if ( numRpsCurrTempList1 > 1 )
1969	{
1970	Int length = 1;
1971	numRpsCurrTempList1 --;
1972	while ( numRpsCurrTempList1 >>= 1)
1973	{
1974	length ++;
1975	}
1976	for (i = 0; i < rpcSlice->getNumRefIdx(REF_PIC_LIST_1); i ++)
1977	{
1978	READ_CODE( length, uiCode, "list_entry_l1" );
1979	refPicListModification->setRefPicSetIdxL1(i, uiCode );
1980	}
1981	}
1982	else
1983	{
1984	for (i = 0; i < rpcSlice->getNumRefIdx(REF_PIC_LIST_1); i ++)
1985	{
1986	refPicListModification->setRefPicSetIdxL1(i, 0 );
1987	}
1988	}
1989	}
1990	}
1991	else
1992	{
1993	refPicListModification->setRefPicListModificationFlagL1(0);
1994	}
1995	if (rpcSlice->isInterB())
1996	{
1997	READ_FLAG( uiCode, "mvd_l1_zero_flag" ); rpcSlice->setMvdL1ZeroFlag( (uiCode ? true : false) );
1998	}
1999
2000	rpcSlice->setCabacInitFlag( false ); // default
2001	if(pps->getCabacInitPresentFlag() && !rpcSlice->isIntra())
2002	{
2003	READ_FLAG(uiCode, "cabac_init_flag");
2004	rpcSlice->setCabacInitFlag( uiCode ? true : false );
2005	}
2006
2007	if ( rpcSlice->getEnableTMVPFlag() )
2008	{
2009	#if M0457_COL_PICTURE_SIGNALING
2010	#if REMOVE_COL_PICTURE_SIGNALING
2011	rpcSlice->setMFMEnabledFlag( rpcSlice->getNumMotionPredRefLayers() > 0 ? true : false );
2012	#else
2013	rpcSlice->setMFMEnabledFlag( false );
2014	rpcSlice->setColRefLayerIdx( 0 );
2015	rpcSlice->setAltColIndicationFlag( false );
2016	if ( sps->getLayerId() > 0 && rpcSlice->getActiveNumILRRefIdx() > 0 && rpcSlice->getNumMotionPredRefLayers() > 0 )
2017	{
2018	READ_FLAG( uiCode, "alt_collocated_indication_flag" );
2019	rpcSlice->setAltColIndicationFlag( uiCode == 1 ? true : false );
2020	rpcSlice->setMFMEnabledFlag( uiCode == 1 ? true : false );
2021	if ( rpcSlice->getNumMotionPredRefLayers() > 1 )
2022	{
2023	READ_UVLC( uiCode, "collocated_ref_layer_idx" );
2024	rpcSlice->setColRefLayerIdx( uiCode );
2025	}
2026	}
2027	else
2028	{
2029	#endif //REMOVE_COL_PICTURE_SIGNALING
2030	#endif
2031	if ( rpcSlice->getSliceType() == B_SLICE )
2032	{
2033	READ_FLAG( uiCode, "collocated_from_l0_flag" );
2034	rpcSlice->setColFromL0Flag(uiCode);
2035	}
2036	else
2037	{
2038	rpcSlice->setColFromL0Flag( 1 );
2039	}
2040
2041	if ( rpcSlice->getSliceType() != I_SLICE &&
2042	((rpcSlice->getColFromL0Flag() == 1 && rpcSlice->getNumRefIdx(REF_PIC_LIST_0) > 1)\|\|
2043	(rpcSlice->getColFromL0Flag() == 0 && rpcSlice->getNumRefIdx(REF_PIC_LIST_1) > 1)))
2044	{
2045	READ_UVLC( uiCode, "collocated_ref_idx" );
2046	rpcSlice->setColRefIdx(uiCode);
2047	}
2048	else
2049	{
2050	rpcSlice->setColRefIdx(0);
2051	}
2052	#if M0457_COL_PICTURE_SIGNALING && !REMOVE_COL_PICTURE_SIGNALING
2053	}
2054	#endif
2055	}
2056	if ( (pps->getUseWP() && rpcSlice->getSliceType()==P_SLICE) \|\| (pps->getWPBiPred() && rpcSlice->getSliceType()==B_SLICE) )
2057	{
2058	xParsePredWeightTable(rpcSlice);
2059	rpcSlice->initWpScaling();
2060	}
2061	if (!rpcSlice->isIntra())
2062	{
2063	READ_UVLC( uiCode, "five_minus_max_num_merge_cand");
2064	rpcSlice->setMaxNumMergeCand(MRG_MAX_NUM_CANDS - uiCode);
2065	}
2066
2067	READ_SVLC( iCode, "slice_qp_delta" );
2068	rpcSlice->setSliceQp (26 + pps->getPicInitQPMinus26() + iCode);
2069
2070	#if REPN_FORMAT_IN_VPS
2071	assert( rpcSlice->getSliceQp() >= -rpcSlice->getQpBDOffsetY() );
2072	#else
2073	assert( rpcSlice->getSliceQp() >= -sps->getQpBDOffsetY() );
2074	#endif
2075	assert( rpcSlice->getSliceQp() <= 51 );
2076
2077	if (rpcSlice->getPPS()->getSliceChromaQpFlag())
2078	{
2079	READ_SVLC( iCode, "slice_qp_delta_cb" );
2080	rpcSlice->setSliceQpDeltaCb( iCode );
2081	assert( rpcSlice->getSliceQpDeltaCb() >= -12 );
2082	assert( rpcSlice->getSliceQpDeltaCb() <= 12 );
2083	assert( (rpcSlice->getPPS()->getChromaCbQpOffset() + rpcSlice->getSliceQpDeltaCb()) >= -12 );
2084	assert( (rpcSlice->getPPS()->getChromaCbQpOffset() + rpcSlice->getSliceQpDeltaCb()) <= 12 );
2085
2086	READ_SVLC( iCode, "slice_qp_delta_cr" );
2087	rpcSlice->setSliceQpDeltaCr( iCode );
2088	assert( rpcSlice->getSliceQpDeltaCr() >= -12 );
2089	assert( rpcSlice->getSliceQpDeltaCr() <= 12 );
2090	assert( (rpcSlice->getPPS()->getChromaCrQpOffset() + rpcSlice->getSliceQpDeltaCr()) >= -12 );
2091	assert( (rpcSlice->getPPS()->getChromaCrQpOffset() + rpcSlice->getSliceQpDeltaCr()) <= 12 );
2092	}
2093
2094	if (rpcSlice->getPPS()->getDeblockingFilterControlPresentFlag())
2095	{
2096	if(rpcSlice->getPPS()->getDeblockingFilterOverrideEnabledFlag())
2097	{
2098	READ_FLAG ( uiCode, "deblocking_filter_override_flag" ); rpcSlice->setDeblockingFilterOverrideFlag(uiCode ? true : false);
2099	}
2100	else
2101	{
2102	rpcSlice->setDeblockingFilterOverrideFlag(0);
2103	}
2104	if(rpcSlice->getDeblockingFilterOverrideFlag())
2105	{
2106	READ_FLAG ( uiCode, "slice_disable_deblocking_filter_flag" ); rpcSlice->setDeblockingFilterDisable(uiCode ? 1 : 0);
2107	if(!rpcSlice->getDeblockingFilterDisable())
2108	{
2109	READ_SVLC( iCode, "slice_beta_offset_div2" ); rpcSlice->setDeblockingFilterBetaOffsetDiv2(iCode);
2110	assert(rpcSlice->getDeblockingFilterBetaOffsetDiv2() >= -6 &&
2111	rpcSlice->getDeblockingFilterBetaOffsetDiv2() <= 6);
2112	READ_SVLC( iCode, "slice_tc_offset_div2" ); rpcSlice->setDeblockingFilterTcOffsetDiv2(iCode);
2113	assert(rpcSlice->getDeblockingFilterTcOffsetDiv2() >= -6 &&
2114	rpcSlice->getDeblockingFilterTcOffsetDiv2() <= 6);
2115	}
2116	}
2117	else
2118	{
2119	rpcSlice->setDeblockingFilterDisable ( rpcSlice->getPPS()->getPicDisableDeblockingFilterFlag() );
2120	rpcSlice->setDeblockingFilterBetaOffsetDiv2( rpcSlice->getPPS()->getDeblockingFilterBetaOffsetDiv2() );
2121	rpcSlice->setDeblockingFilterTcOffsetDiv2 ( rpcSlice->getPPS()->getDeblockingFilterTcOffsetDiv2() );
2122	}
2123	}
2124	else
2125	{
2126	rpcSlice->setDeblockingFilterDisable ( false );
2127	rpcSlice->setDeblockingFilterBetaOffsetDiv2( 0 );
2128	rpcSlice->setDeblockingFilterTcOffsetDiv2 ( 0 );
2129	}
2130
2131	Bool isSAOEnabled = (!rpcSlice->getSPS()->getUseSAO())?(false):(rpcSlice->getSaoEnabledFlag()\|\|rpcSlice->getSaoEnabledFlagChroma());
2132	Bool isDBFEnabled = (!rpcSlice->getDeblockingFilterDisable());
2133
2134	if(rpcSlice->getPPS()->getLoopFilterAcrossSlicesEnabledFlag() && ( isSAOEnabled \|\| isDBFEnabled ))
2135	{
2136	READ_FLAG( uiCode, "slice_loop_filter_across_slices_enabled_flag");
2137	}
2138	else
2139	{
2140	uiCode = rpcSlice->getPPS()->getLoopFilterAcrossSlicesEnabledFlag()?1:0;
2141	}
2142	rpcSlice->setLFCrossSliceBoundaryFlag( (uiCode==1)?true:false);
2143
2144	}
2145
2146	UInt *entryPointOffset = NULL;
2147	UInt numEntryPointOffsets, offsetLenMinus1;
2148	if( pps->getTilesEnabledFlag() \|\| pps->getEntropyCodingSyncEnabledFlag() )
2149	{
2150	READ_UVLC(numEntryPointOffsets, "num_entry_point_offsets"); rpcSlice->setNumEntryPointOffsets ( numEntryPointOffsets );
2151	if (numEntryPointOffsets>0)
2152	{
2153	READ_UVLC(offsetLenMinus1, "offset_len_minus1");
2154	}
2155	entryPointOffset = new UInt[numEntryPointOffsets];
2156	for (UInt idx=0; idx<numEntryPointOffsets; idx++)
2157	{
2158	READ_CODE(offsetLenMinus1+1, uiCode, "entry_point_offset_minus1");
2159	entryPointOffset[ idx ] = uiCode + 1;
2160	}
2161	}
2162	else
2163	{
2164	rpcSlice->setNumEntryPointOffsets ( 0 );
2165	}
2166
2167	if(pps->getSliceHeaderExtensionPresentFlag())
2168	{
2169	READ_UVLC(uiCode,"slice_header_extension_length");
2170	for(Int i=0; i<uiCode; i++)
2171	{
2172	UInt ignore;
2173	READ_CODE(8,ignore,"slice_header_extension_data_byte");
2174	}
2175	}
2176	m_pcBitstream->readByteAlignment();
2177
2178	if( pps->getTilesEnabledFlag() \|\| pps->getEntropyCodingSyncEnabledFlag() )
2179	{
2180	Int endOfSliceHeaderLocation = m_pcBitstream->getByteLocation();
2181
2182	// Adjust endOfSliceHeaderLocation to account for emulation prevention bytes in the slice segment header
2183	for ( UInt curByteIdx = 0; curByteIdx<m_pcBitstream->numEmulationPreventionBytesRead(); curByteIdx++ )
2184	{
2185	if ( m_pcBitstream->getEmulationPreventionByteLocation( curByteIdx ) < endOfSliceHeaderLocation )
2186	{
2187	endOfSliceHeaderLocation++;
2188	}
2189	}
2190
2191	Int curEntryPointOffset = 0;
2192	Int prevEntryPointOffset = 0;
2193	for (UInt idx=0; idx<numEntryPointOffsets; idx++)
2194	{
2195	curEntryPointOffset += entryPointOffset[ idx ];
2196
2197	Int emulationPreventionByteCount = 0;
2198	for ( UInt curByteIdx = 0; curByteIdx<m_pcBitstream->numEmulationPreventionBytesRead(); curByteIdx++ )
2199	{
2200	if ( m_pcBitstream->getEmulationPreventionByteLocation( curByteIdx ) >= ( prevEntryPointOffset + endOfSliceHeaderLocation ) &&
2201	m_pcBitstream->getEmulationPreventionByteLocation( curByteIdx ) < ( curEntryPointOffset + endOfSliceHeaderLocation ) )
2202	{
2203	emulationPreventionByteCount++;
2204	}
2205	}
2206
2207	entryPointOffset[ idx ] -= emulationPreventionByteCount;
2208	prevEntryPointOffset = curEntryPointOffset;
2209	}
2210
2211	if ( pps->getTilesEnabledFlag() )
2212	{
2213	rpcSlice->setTileLocationCount( numEntryPointOffsets );
2214
2215	UInt prevPos = 0;
2216	for (Int idx=0; idx<rpcSlice->getTileLocationCount(); idx++)
2217	{
2218	rpcSlice->setTileLocation( idx, prevPos + entryPointOffset [ idx ] );
2219	prevPos += entryPointOffset[ idx ];
2220	}
2221	}
2222	else if ( pps->getEntropyCodingSyncEnabledFlag() )
2223	{
2224	Int numSubstreams = rpcSlice->getNumEntryPointOffsets()+1;
2225	rpcSlice->allocSubstreamSizes(numSubstreams);
2226	UInt *pSubstreamSizes = rpcSlice->getSubstreamSizes();
2227	for (Int idx=0; idx<numSubstreams-1; idx++)
2228	{
2229	if ( idx < numEntryPointOffsets )
2230	{
2231	pSubstreamSizes[ idx ] = ( entryPointOffset[ idx ] << 3 ) ;
2232	}
2233	else
2234	{
2235	pSubstreamSizes[ idx ] = 0;
2236	}
2237	}
2238	}
2239
2240	if (entryPointOffset)
2241	{
2242	delete [] entryPointOffset;
2243	}
2244	}
2245
2246	return;
2247	}
2248
2249	Void TDecCavlc::parsePTL( TComPTL *rpcPTL, Bool profilePresentFlag, Int maxNumSubLayersMinus1 )
2250	{
2251	UInt uiCode;
2252	if(profilePresentFlag)
2253	{
2254	parseProfileTier(rpcPTL->getGeneralPTL());
2255	}
2256	READ_CODE( 8, uiCode, "general_level_idc" ); rpcPTL->getGeneralPTL()->setLevelIdc(uiCode);
2257
2258	for (Int i = 0; i < maxNumSubLayersMinus1; i++)
2259	{
2260	if(profilePresentFlag)
2261	{
2262	READ_FLAG( uiCode, "sub_layer_profile_present_flag[i]" ); rpcPTL->setSubLayerProfilePresentFlag(i, uiCode);
2263	}
2264	READ_FLAG( uiCode, "sub_layer_level_present_flag[i]" ); rpcPTL->setSubLayerLevelPresentFlag (i, uiCode);
2265	}
2266
2267	if (maxNumSubLayersMinus1 > 0)
2268	{
2269	for (Int i = maxNumSubLayersMinus1; i < 8; i++)
2270	{
2271	READ_CODE(2, uiCode, "reserved_zero_2bits");
2272	assert(uiCode == 0);
2273	}
2274	}
2275
2276	for(Int i = 0; i < maxNumSubLayersMinus1; i++)
2277	{
2278	if( profilePresentFlag && rpcPTL->getSubLayerProfilePresentFlag(i) )
2279	{
2280	parseProfileTier(rpcPTL->getSubLayerPTL(i));
2281	}
2282	if(rpcPTL->getSubLayerLevelPresentFlag(i))
2283	{
2284	READ_CODE( 8, uiCode, "sub_layer_level_idc[i]" ); rpcPTL->getSubLayerPTL(i)->setLevelIdc(uiCode);
2285	}
2286	}
2287	}
2288
2289	Void TDecCavlc::parseProfileTier(ProfileTierLevel *ptl)
2290	{
2291	UInt uiCode;
2292	READ_CODE(2 , uiCode, "XXX_profile_space[]"); ptl->setProfileSpace(uiCode);
2293	READ_FLAG( uiCode, "XXX_tier_flag[]" ); ptl->setTierFlag (uiCode ? 1 : 0);
2294	READ_CODE(5 , uiCode, "XXX_profile_idc[]" ); ptl->setProfileIdc (uiCode);
2295	for(Int j = 0; j < 32; j++)
2296	{
2297	READ_FLAG( uiCode, "XXX_profile_compatibility_flag[][j]"); ptl->setProfileCompatibilityFlag(j, uiCode ? 1 : 0);
2298	}
2299	READ_FLAG(uiCode, "general_progressive_source_flag");
2300	ptl->setProgressiveSourceFlag(uiCode ? true : false);
2301
2302	READ_FLAG(uiCode, "general_interlaced_source_flag");
2303	ptl->setInterlacedSourceFlag(uiCode ? true : false);
2304
2305	READ_FLAG(uiCode, "general_non_packed_constraint_flag");
2306	ptl->setNonPackedConstraintFlag(uiCode ? true : false);
2307
2308	READ_FLAG(uiCode, "general_frame_only_constraint_flag");
2309	ptl->setFrameOnlyConstraintFlag(uiCode ? true : false);
2310
2311	READ_CODE(16, uiCode, "XXX_reserved_zero_44bits[0..15]");
2312	READ_CODE(16, uiCode, "XXX_reserved_zero_44bits[16..31]");
2313	READ_CODE(12, uiCode, "XXX_reserved_zero_44bits[32..43]");
2314	}
2315
2316	Void TDecCavlc::parseTerminatingBit( UInt& ruiBit )
2317	{
2318	ruiBit = false;
2319	Int iBitsLeft = m_pcBitstream->getNumBitsLeft();
2320	if(iBitsLeft <= 8)
2321	{
2322	UInt uiPeekValue = m_pcBitstream->peekBits(iBitsLeft);
2323	if (uiPeekValue == (1<<(iBitsLeft-1)))
2324	{
2325	ruiBit = true;
2326	}
2327	}
2328	}
2329
2330	Void TDecCavlc::parseSkipFlag( TComDataCU* /pcCU/, UInt /uiAbsPartIdx/, UInt /uiDepth/ )
2331	{
2332	assert(0);
2333	}
2334
2335	Void TDecCavlc::parseCUTransquantBypassFlag( TComDataCU* /pcCU/, UInt /uiAbsPartIdx/, UInt /uiDepth/ )
2336	{
2337	assert(0);
2338	}
2339
2340	Void TDecCavlc::parseMVPIdx( Int& /riMVPIdx/ )
2341	{
2342	assert(0);
2343	}
2344
2345	Void TDecCavlc::parseSplitFlag ( TComDataCU* /pcCU/, UInt /uiAbsPartIdx/, UInt /uiDepth/ )
2346	{
2347	assert(0);
2348	}
2349
2350	Void TDecCavlc::parsePartSize( TComDataCU* /pcCU/, UInt /uiAbsPartIdx/, UInt /uiDepth/ )
2351	{
2352	assert(0);
2353	}
2354
2355	Void TDecCavlc::parsePredMode( TComDataCU* /pcCU/, UInt /uiAbsPartIdx/, UInt /uiDepth/ )
2356	{
2357	assert(0);
2358	}
2359
2360	/** Parse I_PCM information.
2361	* \param pcCU pointer to CU
2362	* \param uiAbsPartIdx CU index
2363	* \param uiDepth CU depth
2364	* \returns Void
2365	*
2366	* If I_PCM flag indicates that the CU is I_PCM, parse its PCM alignment bits and codes.
2367	*/
2368	Void TDecCavlc::parseIPCMInfo( TComDataCU* /pcCU/, UInt /uiAbsPartIdx/, UInt /uiDepth/ )
2369	{
2370	assert(0);
2371	}
2372
2373	Void TDecCavlc::parseIntraDirLumaAng ( TComDataCU* /pcCU/, UInt /uiAbsPartIdx/, UInt /uiDepth/ )
2374	{
2375	assert(0);
2376	}
2377
2378	Void TDecCavlc::parseIntraDirChroma( TComDataCU* /pcCU/, UInt /uiAbsPartIdx/, UInt /uiDepth/ )
2379	{
2380	assert(0);
2381	}
2382
2383	Void TDecCavlc::parseInterDir( TComDataCU* /pcCU/, UInt& /ruiInterDir/, UInt /uiAbsPartIdx/ )
2384	{
2385	assert(0);
2386	}
2387
2388	Void TDecCavlc::parseRefFrmIdx( TComDataCU* /pcCU/, Int& /riRefFrmIdx/, RefPicList /eRefList/ )
2389	{
2390	assert(0);
2391	}
2392
2393	Void TDecCavlc::parseMvd( TComDataCU* /pcCU/, UInt /uiAbsPartIdx/, UInt /uiPartIdx/, UInt /uiDepth/, RefPicList /eRefList/ )
2394	{
2395	assert(0);
2396	}
2397
2398	Void TDecCavlc::parseDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
2399	{
2400	Int qp;
2401	Int iDQp;
2402
2403	xReadSvlc( iDQp );
2404
2405	#if REPN_FORMAT_IN_VPS
2406	Int qpBdOffsetY = pcCU->getSlice()->getQpBDOffsetY();
2407	#else
2408	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY();
2409	#endif
2410	qp = (((Int) pcCU->getRefQP( uiAbsPartIdx ) + iDQp + 52 + 2*qpBdOffsetY )%(52+ qpBdOffsetY)) - qpBdOffsetY;
2411
2412	UInt uiAbsQpCUPartIdx = (uiAbsPartIdx>>((g_uiMaxCUDepth - pcCU->getSlice()->getPPS()->getMaxCuDQPDepth())<<1))<<((g_uiMaxCUDepth - pcCU->getSlice()->getPPS()->getMaxCuDQPDepth())<<1) ;
2413	UInt uiQpCUDepth = min(uiDepth,pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()) ;
2414
2415	pcCU->setQPSubParts( qp, uiAbsQpCUPartIdx, uiQpCUDepth );
2416	}
2417
2418	Void TDecCavlc::parseCoeffNxN( TComDataCU* /pcCU/, TCoeff* /pcCoef/, UInt /uiAbsPartIdx/, UInt /uiWidth/, UInt /uiHeight/, UInt /uiDepth/, TextType /eTType/ )
2419	{
2420	assert(0);
2421	}
2422
2423	Void TDecCavlc::parseTransformSubdivFlag( UInt& /ruiSubdivFlag/, UInt /uiLog2TransformBlockSize/ )
2424	{
2425	assert(0);
2426	}
2427
2428	Void TDecCavlc::parseQtCbf( TComDataCU* /pcCU/, UInt /uiAbsPartIdx/, TextType /eType/, UInt /uiTrDepth/, UInt /uiDepth/ )
2429	{
2430	assert(0);
2431	}
2432
2433	Void TDecCavlc::parseQtRootCbf( UInt /uiAbsPartIdx/, UInt& /uiQtRootCbf/ )
2434	{
2435	assert(0);
2436	}
2437
2438	Void TDecCavlc::parseTransformSkipFlags (TComDataCU* /pcCU/, UInt /uiAbsPartIdx/, UInt /width/, UInt /height/, UInt /uiDepth/, TextType /eTType/)
2439	{
2440	assert(0);
2441	}
2442
2443	Void TDecCavlc::parseMergeFlag ( TComDataCU* /pcCU/, UInt /uiAbsPartIdx/, UInt /uiDepth/, UInt /uiPUIdx/ )
2444	{
2445	assert(0);
2446	}
2447
2448	Void TDecCavlc::parseMergeIndex ( TComDataCU* /pcCU/, UInt& /ruiMergeIndex/ )
2449	{
2450	assert(0);
2451	}
2452
2453	// ====================================================================================================================
2454	// Protected member functions
2455	// ====================================================================================================================
2456
2457	/** parse explicit wp tables
2458	* \param TComSlice* pcSlice
2459	* \returns Void
2460	*/
2461	Void TDecCavlc::xParsePredWeightTable( TComSlice* pcSlice )
2462	{
2463	wpScalingParam *wp;
2464	Bool bChroma = true; // color always present in HEVC ?
2465	SliceType eSliceType = pcSlice->getSliceType();
2466	Int iNbRef = (eSliceType == B_SLICE ) ? (2) : (1);
2467	UInt uiLog2WeightDenomLuma, uiLog2WeightDenomChroma;
2468	UInt uiTotalSignalledWeightFlags = 0;
2469
2470	Int iDeltaDenom;
2471	// decode delta_luma_log2_weight_denom :
2472	READ_UVLC( uiLog2WeightDenomLuma, "luma_log2_weight_denom" ); // ue(v): luma_log2_weight_denom
2473	assert( uiLog2WeightDenomLuma <= 7 );
2474	if( bChroma )
2475	{
2476	READ_SVLC( iDeltaDenom, "delta_chroma_log2_weight_denom" ); // se(v): delta_chroma_log2_weight_denom
2477	assert((iDeltaDenom + (Int)uiLog2WeightDenomLuma)>=0);
2478	assert((iDeltaDenom + (Int)uiLog2WeightDenomLuma)<=7);
2479	uiLog2WeightDenomChroma = (UInt)(iDeltaDenom + uiLog2WeightDenomLuma);
2480	}
2481
2482	for ( Int iNumRef=0 ; iNumRef<iNbRef ; iNumRef++ )
2483	{
2484	RefPicList eRefPicList = ( iNumRef ? REF_PIC_LIST_1 : REF_PIC_LIST_0 );
2485	for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ )
2486	{
2487	pcSlice->getWpScaling(eRefPicList, iRefIdx, wp);
2488
2489	wp[0].uiLog2WeightDenom = uiLog2WeightDenomLuma;
2490	wp[1].uiLog2WeightDenom = uiLog2WeightDenomChroma;
2491	wp[2].uiLog2WeightDenom = uiLog2WeightDenomChroma;
2492
2493	UInt uiCode;
2494	READ_FLAG( uiCode, "luma_weight_lX_flag" ); // u(1): luma_weight_l0_flag
2495	wp[0].bPresentFlag = ( uiCode == 1 );
2496	uiTotalSignalledWeightFlags += wp[0].bPresentFlag;
2497	}
2498	if ( bChroma )
2499	{
2500	UInt uiCode;
2501	for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ )
2502	{
2503	pcSlice->getWpScaling(eRefPicList, iRefIdx, wp);
2504	READ_FLAG( uiCode, "chroma_weight_lX_flag" ); // u(1): chroma_weight_l0_flag
2505	wp[1].bPresentFlag = ( uiCode == 1 );
2506	wp[2].bPresentFlag = ( uiCode == 1 );
2507	uiTotalSignalledWeightFlags += 2*wp[1].bPresentFlag;
2508	}
2509	}
2510	for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ )
2511	{
2512	pcSlice->getWpScaling(eRefPicList, iRefIdx, wp);
2513	if ( wp[0].bPresentFlag )
2514	{
2515	Int iDeltaWeight;
2516	READ_SVLC( iDeltaWeight, "delta_luma_weight_lX" ); // se(v): delta_luma_weight_l0[i]
2517	assert( iDeltaWeight >= -128 );
2518	assert( iDeltaWeight <= 127 );
2519	wp[0].iWeight = (iDeltaWeight + (1<<wp[0].uiLog2WeightDenom));
2520	READ_SVLC( wp[0].iOffset, "luma_offset_lX" ); // se(v): luma_offset_l0[i]
2521	assert( wp[0].iOffset >= -128 );
2522	assert( wp[0].iOffset <= 127 );
2523	}
2524	else
2525	{
2526	wp[0].iWeight = (1 << wp[0].uiLog2WeightDenom);
2527	wp[0].iOffset = 0;
2528	}
2529	if ( bChroma )
2530	{
2531	if ( wp[1].bPresentFlag )
2532	{
2533	for ( Int j=1 ; j<3 ; j++ )
2534	{
2535	Int iDeltaWeight;
2536	READ_SVLC( iDeltaWeight, "delta_chroma_weight_lX" ); // se(v): chroma_weight_l0[i][j]
2537	assert( iDeltaWeight >= -128 );
2538	assert( iDeltaWeight <= 127 );
2539	wp[j].iWeight = (iDeltaWeight + (1<<wp[1].uiLog2WeightDenom));
2540
2541	Int iDeltaChroma;
2542	READ_SVLC( iDeltaChroma, "delta_chroma_offset_lX" ); // se(v): delta_chroma_offset_l0[i][j]
2543	assert( iDeltaChroma >= -512 );
2544	assert( iDeltaChroma <= 511 );
2545	Int pred = ( 128 - ( ( 128*wp[j].iWeight)>>(wp[j].uiLog2WeightDenom) ) );
2546	wp[j].iOffset = Clip3(-128, 127, (iDeltaChroma + pred) );
2547	}
2548	}
2549	else
2550	{
2551	for ( Int j=1 ; j<3 ; j++ )
2552	{
2553	wp[j].iWeight = (1 << wp[j].uiLog2WeightDenom);
2554	wp[j].iOffset = 0;
2555	}
2556	}
2557	}
2558	}
2559
2560	for ( Int iRefIdx=pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx<MAX_NUM_REF ; iRefIdx++ )
2561	{
2562	pcSlice->getWpScaling(eRefPicList, iRefIdx, wp);
2563
2564	wp[0].bPresentFlag = false;
2565	wp[1].bPresentFlag = false;
2566	wp[2].bPresentFlag = false;
2567	}
2568	}
2569	assert(uiTotalSignalledWeightFlags<=24);
2570	}
2571
2572	/** decode quantization matrix
2573	* \param scalingList quantization matrix information
2574	*/
2575	Void TDecCavlc::parseScalingList(TComScalingList* scalingList)
2576	{
2577	UInt code, sizeId, listId;
2578	Bool scalingListPredModeFlag;
2579
2580	//for each size
2581	for(sizeId = 0; sizeId < SCALING_LIST_SIZE_NUM; sizeId++)
2582	{
2583	for(listId = 0; listId < g_scalingListNum[sizeId]; listId++)
2584	{
2585	#if IL_SL_SIGNALLING_N0371
2586	if ( scalingList->getLayerId() > 0 && scalingList->getPredScalingListFlag() )
2587	{
2588	READ_FLAG( code, "scaling_list_pred_mode_flag");
2589	scalingListPredModeFlag = (code) ? true : false;
2590	if(!scalingListPredModeFlag) //Copy Mode
2591	{
2592	READ_UVLC( code, "scaling_list_pred_matrix_id_delta");
2593	scalingList->setRefMatrixId (sizeId,listId,(UInt)((Int)(listId)-(code)));
2594	if( sizeId > SCALING_LIST_8x8 )
2595	{
2596	scalingList->setScalingListDC(sizeId,listId,((listId == scalingList->getRefMatrixId (sizeId,listId))? 16 :scalingList->getScalingListDC(sizeId, scalingList->getRefMatrixId (sizeId,listId))));
2597	}
2598	scalingList->processRefMatrix( sizeId, listId, scalingList->getRefMatrixId (sizeId,listId));
2599
2600	}
2601	else //DPCM Mode
2602	{
2603	xDecodeScalingList(scalingList, sizeId, listId);
2604	}
2605	}
2606	else
2607	{
2608	READ_FLAG( code, "scaling_list_pred_mode_flag");
2609	scalingListPredModeFlag = (code) ? true : false;
2610	if(!scalingListPredModeFlag) //Copy Mode
2611	{
2612	READ_UVLC( code, "scaling_list_pred_matrix_id_delta");
2613	scalingList->setRefMatrixId (sizeId,listId,(UInt)((Int)(listId)-(code)));
2614	if( sizeId > SCALING_LIST_8x8 )
2615	{
2616	scalingList->setScalingListDC(sizeId,listId,((listId == scalingList->getRefMatrixId (sizeId,listId))? 16 :scalingList->getScalingListDC(sizeId, scalingList->getRefMatrixId (sizeId,listId))));
2617	}
2618	scalingList->processRefMatrix( sizeId, listId, scalingList->getRefMatrixId (sizeId,listId));
2619
2620	}
2621	else //DPCM Mode
2622	{
2623	xDecodeScalingList(scalingList, sizeId, listId);
2624	}
2625	}
2626	#else
2627	READ_FLAG( code, "scaling_list_pred_mode_flag");
2628	scalingListPredModeFlag = (code) ? true : false;
2629	if(!scalingListPredModeFlag) //Copy Mode
2630	{
2631	READ_UVLC( code, "scaling_list_pred_matrix_id_delta");
2632	scalingList->setRefMatrixId (sizeId,listId,(UInt)((Int)(listId)-(code)));
2633	if( sizeId > SCALING_LIST_8x8 )
2634	{
2635	scalingList->setScalingListDC(sizeId,listId,((listId == scalingList->getRefMatrixId (sizeId,listId))? 16 :scalingList->getScalingListDC(sizeId, scalingList->getRefMatrixId (sizeId,listId))));
2636	}
2637	scalingList->processRefMatrix( sizeId, listId, scalingList->getRefMatrixId (sizeId,listId));
2638
2639	}
2640	else //DPCM Mode
2641	{
2642	xDecodeScalingList(scalingList, sizeId, listId);
2643	}
2644	#endif
2645	}
2646	}
2647
2648	return;
2649	}
2650	/** decode DPCM
2651	* \param scalingList quantization matrix information
2652	* \param sizeId size index
2653	* \param listId list index
2654	*/
2655	Void TDecCavlc::xDecodeScalingList(TComScalingList *scalingList, UInt sizeId, UInt listId)
2656	{
2657	Int i,coefNum = min(MAX_MATRIX_COEF_NUM,(Int)g_scalingListSize[sizeId]);
2658	Int data;
2659	Int scalingListDcCoefMinus8 = 0;
2660	Int nextCoef = SCALING_LIST_START_VALUE;
2661	UInt* scan = (sizeId == 0) ? g_auiSigLastScan [ SCAN_DIAG ] [ 1 ] : g_sigLastScanCG32x32;
2662	Int *dst = scalingList->getScalingListAddress(sizeId, listId);
2663
2664	if( sizeId > SCALING_LIST_8x8 )
2665	{
2666	#if IL_SL_SIGNALLING_N0371
2667	if( scalingList->getLayerId() > 0 && scalingList->getPredScalingListFlag() )
2668	{
2669	ref_scalingListDC[scalingList->getLayerId()][sizeId][listId] = scalingList->getScalingListDC(sizeId,listId);
2670	scalingList->setScalingListDC(sizeId,listId,ref_scalingListDC[scalingList->getScalingListRefLayerId()][sizeId][listId]);
2671	}
2672	else
2673	{
2674	READ_SVLC( scalingListDcCoefMinus8, "scaling_list_dc_coef_minus8");
2675	scalingList->setScalingListDC(sizeId,listId,scalingListDcCoefMinus8 + 8);
2676	nextCoef = scalingList->getScalingListDC(sizeId,listId);
2677	ref_scalingListDC[scalingList->getLayerId()][sizeId][listId] = scalingList->getScalingListDC(sizeId,listId);
2678	}
2679	#else
2680	READ_SVLC( scalingListDcCoefMinus8, "scaling_list_dc_coef_minus8");
2681	scalingList->setScalingListDC(sizeId,listId,scalingListDcCoefMinus8 + 8);
2682	nextCoef = scalingList->getScalingListDC(sizeId,listId);
2683	#endif
2684	}
2685
2686	for(i = 0; i < coefNum; i++)
2687	{
2688	#if IL_SL_SIGNALLING_N0371
2689	if( scalingList->getLayerId() > 0 && scalingList->getPredScalingListFlag() )
2690	{
2691	ref_scalingListCoef[scalingList->getLayerId()][sizeId][listId][i] = dst[scan[i]];
2692	dst[scan[i]] = ref_scalingListCoef[scalingList->getScalingListRefLayerId()][sizeId][listId][i];
2693	}
2694	else
2695	{
2696	READ_SVLC( data, "scaling_list_delta_coef");
2697	nextCoef = (nextCoef + data + 256 ) % 256;
2698	dst[scan[i]] = nextCoef;
2699	ref_scalingListCoef[scalingList->getLayerId()][sizeId][listId][i] = dst[scan[i]];
2700	}
2701	#else
2702	READ_SVLC( data, "scaling_list_delta_coef");
2703	nextCoef = (nextCoef + data + 256 ) % 256;
2704	dst[scan[i]] = nextCoef;
2705	#endif
2706	}
2707	}
2708
2709	Bool TDecCavlc::xMoreRbspData()
2710	{
2711	Int bitsLeft = m_pcBitstream->getNumBitsLeft();
2712
2713	// if there are more than 8 bits, it cannot be rbsp_trailing_bits
2714	if (bitsLeft > 8)
2715	{
2716	return true;
2717	}
2718
2719	UChar lastByte = m_pcBitstream->peekBits(bitsLeft);
2720	Int cnt = bitsLeft;
2721
2722	// remove trailing bits equal to zero
2723	while ((cnt>0) && ((lastByte & 1) == 0))
2724	{
2725	lastByte >>= 1;
2726	cnt--;
2727	}
2728	// remove bit equal to one
2729	cnt--;
2730
2731	// we should not have a negative number of bits
2732	assert (cnt>=0);
2733
2734	// we have more data, if cnt is not zero
2735	return (cnt>0);
2736	}
2737	//! \}
2738

Note: See TracBrowser for help on using the repository browser.

JCT-VC SHVC

Context navigation

source: SHVCSoftware/branches/SHM-3.1-dev/source/Lib/TLibDecoder/TDecCAVLC.cpp @ 851

Download in other formats: