Newer
Older
Karsten Suehring
committed
/* The copyright in this software is being made available under the BSD
* License, included below. This software may be subject to other third party
* and contributor rights, including patent rights, and no such rights are
* granted under this license.
*
* Copyright (c) 2010-2019, ITU/ISO/IEC
Karsten Suehring
committed
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
/** \file VLCWriter.cpp
* \brief Writer for high level syntax
*/
#include "VLCWriter.h"
#include "SEIwrite.h"
#include "CommonLib/CommonDef.h"
#include "CommonLib/Unit.h"
#include "CommonLib/Picture.h" // th remove this
#include "CommonLib/dtrace_next.h"
#include "EncAdaptiveLoopFilter.h"
#include "CommonLib/AdaptiveLoopFilter.h"
//! \ingroup EncoderLib
//! \{
#if ENABLE_TRACING
void VLCWriter::xWriteCodeTr (uint32_t value, uint32_t length, const char *pSymbolName)
{
xWriteCode (value,length);
if( g_HLSTraceEnable )
{
if( length < 10 )
{
DTRACE( g_trace_ctx, D_HEADER, "%-50s u(%d) : %d\n", pSymbolName, length, value );
}
else
{
DTRACE( g_trace_ctx, D_HEADER, "%-50s u(%d) : %d\n", pSymbolName, length, value );
}
}
}
void VLCWriter::xWriteUvlcTr (uint32_t value, const char *pSymbolName)
{
xWriteUvlc (value);
if( g_HLSTraceEnable )
{
DTRACE( g_trace_ctx, D_HEADER, "%-50s ue(v) : %d\n", pSymbolName, value );
}
}
void VLCWriter::xWriteSvlcTr (int value, const char *pSymbolName)
{
xWriteSvlc(value);
if( g_HLSTraceEnable )
{
DTRACE( g_trace_ctx, D_HEADER, "%-50s se(v) : %d\n", pSymbolName, value );
}
}
void VLCWriter::xWriteFlagTr(uint32_t value, const char *pSymbolName)
{
xWriteFlag(value);
if( g_HLSTraceEnable )
{
DTRACE( g_trace_ctx, D_HEADER, "%-50s u(1) : %d\n", pSymbolName, value );
}
}
bool g_HLSTraceEnable = true;
#endif
void VLCWriter::xWriteCode ( uint32_t uiCode, uint32_t uiLength )
{
CHECK( uiLength == 0, "Code of lenght '0' not supported" );
m_pcBitIf->write( uiCode, uiLength );
}
void VLCWriter::xWriteUvlc ( uint32_t uiCode )
{
uint32_t uiLength = 1;
uint32_t uiTemp = ++uiCode;
CHECK( !uiTemp, "Integer overflow" );
while( 1 != uiTemp )
{
uiTemp >>= 1;
uiLength += 2;
}
// Take care of cases where uiLength > 32
m_pcBitIf->write( 0, uiLength >> 1);
m_pcBitIf->write( uiCode, (uiLength+1) >> 1);
}
void VLCWriter::xWriteSvlc ( int iCode )
{
uint32_t uiCode = uint32_t( iCode <= 0 ? (-iCode)<<1 : (iCode<<1)-1);
xWriteUvlc( uiCode );
}
void VLCWriter::xWriteFlag( uint32_t uiCode )
{
m_pcBitIf->write( uiCode, 1 );
}
void VLCWriter::xWriteRbspTrailingBits()
{
WRITE_FLAG( 1, "rbsp_stop_one_bit");
int cnt = 0;
while (m_pcBitIf->getNumBitsUntilByteAligned())
{
WRITE_FLAG( 0, "rbsp_alignment_zero_bit");
cnt++;
}
CHECK(cnt>=8, "More than '8' alignment bytes read");
}
void AUDWriter::codeAUD(OutputBitstream& bs, const int pictureType)
{
#if ENABLE_TRACING
xTraceAccessUnitDelimiter();
#endif
CHECK(pictureType >= 3, "Invalid picture type");
setBitstream(&bs);
WRITE_CODE(pictureType, 3, "pic_type");
xWriteRbspTrailingBits();
}
void HLSWriter::xCodeShortTermRefPicSet( const ReferencePictureSet* rps, bool calledFromSliceHeader, int idx)
{
//int lastBits = getNumberOfWrittenBits();
if (idx > 0)
{
WRITE_FLAG( rps->getInterRPSPrediction(), "inter_ref_pic_set_prediction_flag" ); // inter_RPS_prediction_flag
}
if (rps->getInterRPSPrediction())
{
int deltaRPS = rps->getDeltaRPS();
if(calledFromSliceHeader)
{
WRITE_UVLC( rps->getDeltaRIdxMinus1(), "delta_idx_minus1" ); // delta index of the Reference Picture Set used for prediction minus 1
}
WRITE_CODE( (deltaRPS >=0 ? 0: 1), 1, "delta_rps_sign" ); //delta_rps_sign
WRITE_UVLC( abs(deltaRPS) - 1, "abs_delta_rps_minus1"); // absolute delta RPS minus 1
for(int j=0; j < rps->getNumRefIdc(); j++)
{
int refIdc = rps->getRefIdc(j);
WRITE_CODE( (refIdc==1? 1: 0), 1, "used_by_curr_pic_flag" ); //first bit is "1" if Idc is 1
if (refIdc != 1)
{
WRITE_CODE( refIdc>>1, 1, "use_delta_flag" ); //second bit is "1" if Idc is 2, "0" otherwise.
}
}
}
else
{
WRITE_UVLC( rps->getNumberOfNegativePictures(), "num_negative_pics" );
WRITE_UVLC( rps->getNumberOfPositivePictures(), "num_positive_pics" );
int prev = 0;
for(int j=0 ; j < rps->getNumberOfNegativePictures(); j++)
{
WRITE_UVLC( prev-rps->getDeltaPOC(j)-1, "delta_poc_s0_minus1" );
prev = rps->getDeltaPOC(j);
WRITE_FLAG( rps->getUsed(j), "used_by_curr_pic_s0_flag");
}
prev = 0;
for(int j=rps->getNumberOfNegativePictures(); j < rps->getNumberOfNegativePictures()+rps->getNumberOfPositivePictures(); j++)
{
WRITE_UVLC( rps->getDeltaPOC(j)-prev-1, "delta_poc_s1_minus1" );
prev = rps->getDeltaPOC(j);
WRITE_FLAG( rps->getUsed(j), "used_by_curr_pic_s1_flag" );
}
}
//DTRACE( g_trace_ctx, D_RPSINFO, "irps=%d (%2d bits) ", rps->getInterRPSPrediction(), getNumberOfWrittenBits() - lastBits );
rps->printDeltaPOC();
}
void HLSWriter::codePPS( const PPS* pcPPS )
{
#if ENABLE_TRACING
xTracePPSHeader ();
#endif
WRITE_UVLC( pcPPS->getPPSId(), "pps_pic_parameter_set_id" );
WRITE_UVLC( pcPPS->getSPSId(), "pps_seq_parameter_set_id" );
#if HEVC_DEPENDENT_SLICES
WRITE_FLAG( pcPPS->getDependentSliceSegmentsEnabledFlag() ? 1 : 0, "dependent_slice_segments_enabled_flag" );
#endif
WRITE_FLAG( pcPPS->getOutputFlagPresentFlag() ? 1 : 0, "output_flag_present_flag" );
WRITE_CODE( pcPPS->getNumExtraSliceHeaderBits(), 3, "num_extra_slice_header_bits");
WRITE_FLAG( pcPPS->getCabacInitPresentFlag() ? 1 : 0, "cabac_init_present_flag" );
WRITE_UVLC( pcPPS->getNumRefIdxL0DefaultActive()-1, "num_ref_idx_l0_default_active_minus1");
WRITE_UVLC( pcPPS->getNumRefIdxL1DefaultActive()-1, "num_ref_idx_l1_default_active_minus1");
WRITE_SVLC( pcPPS->getPicInitQPMinus26(), "init_qp_minus26");
WRITE_FLAG( pcPPS->getConstrainedIntraPred() ? 1 : 0, "constrained_intra_pred_flag" );
WRITE_FLAG( pcPPS->getUseTransformSkip() ? 1 : 0, "transform_skip_enabled_flag" );
WRITE_FLAG( pcPPS->getUseDQP() ? 1 : 0, "cu_qp_delta_enabled_flag" );
if ( pcPPS->getUseDQP() )
{
WRITE_UVLC( pcPPS->getMaxCuDQPDepth(), "diff_cu_qp_delta_depth" );
}
WRITE_SVLC( pcPPS->getQpOffset(COMPONENT_Cb), "pps_cb_qp_offset" );
WRITE_SVLC( pcPPS->getQpOffset(COMPONENT_Cr), "pps_cr_qp_offset" );
WRITE_FLAG( pcPPS->getSliceChromaQpFlag() ? 1 : 0, "pps_slice_chroma_qp_offsets_present_flag" );
WRITE_FLAG( pcPPS->getUseWP() ? 1 : 0, "weighted_pred_flag" ); // Use of Weighting Prediction (P_SLICE)
WRITE_FLAG( pcPPS->getWPBiPred() ? 1 : 0, "weighted_bipred_flag" ); // Use of Weighting Bi-Prediction (B_SLICE)
WRITE_FLAG( pcPPS->getTransquantBypassEnabledFlag() ? 1 : 0, "transquant_bypass_enabled_flag" );
#if HEVC_TILES_WPP
WRITE_FLAG( pcPPS->getTilesEnabledFlag() ? 1 : 0, "tiles_enabled_flag" );
WRITE_FLAG( pcPPS->getEntropyCodingSyncEnabledFlag() ? 1 : 0, "entropy_coding_sync_enabled_flag" );
if( pcPPS->getTilesEnabledFlag() )
{
WRITE_UVLC( pcPPS->getNumTileColumnsMinus1(), "num_tile_columns_minus1" );
WRITE_UVLC( pcPPS->getNumTileRowsMinus1(), "num_tile_rows_minus1" );
WRITE_FLAG( pcPPS->getTileUniformSpacingFlag(), "uniform_spacing_flag" );
if( !pcPPS->getTileUniformSpacingFlag() )
{
for(uint32_t i=0; i<pcPPS->getNumTileColumnsMinus1(); i++)
{
WRITE_UVLC( pcPPS->getTileColumnWidth(i)-1, "column_width_minus1" );
}
for(uint32_t i=0; i<pcPPS->getNumTileRowsMinus1(); i++)
{
WRITE_UVLC( pcPPS->getTileRowHeight(i)-1, "row_height_minus1" );
}
}
CHECK ((pcPPS->getNumTileColumnsMinus1() + pcPPS->getNumTileRowsMinus1()) == 0, "Invalid tile parameters read");
WRITE_FLAG( pcPPS->getLoopFilterAcrossTilesEnabledFlag()?1 : 0, "loop_filter_across_tiles_enabled_flag");
}
#endif
WRITE_FLAG( pcPPS->getLoopFilterAcrossSlicesEnabledFlag()?1 : 0, "pps_loop_filter_across_slices_enabled_flag");
WRITE_FLAG( pcPPS->getDeblockingFilterControlPresentFlag()?1 : 0, "deblocking_filter_control_present_flag");
if(pcPPS->getDeblockingFilterControlPresentFlag())
{
WRITE_FLAG( pcPPS->getDeblockingFilterOverrideEnabledFlag() ? 1 : 0, "deblocking_filter_override_enabled_flag" );
WRITE_FLAG( pcPPS->getPPSDeblockingFilterDisabledFlag() ? 1 : 0, "pps_deblocking_filter_disabled_flag" );
if(!pcPPS->getPPSDeblockingFilterDisabledFlag())
{
WRITE_SVLC( pcPPS->getDeblockingFilterBetaOffsetDiv2(), "pps_beta_offset_div2" );
WRITE_SVLC( pcPPS->getDeblockingFilterTcOffsetDiv2(), "pps_tc_offset_div2" );
}
}
#if HEVC_USE_SCALING_LISTS
WRITE_FLAG( pcPPS->getScalingListPresentFlag() ? 1 : 0, "pps_scaling_list_data_present_flag" );
if( pcPPS->getScalingListPresentFlag() )
{
codeScalingList( pcPPS->getScalingList() );
}
#endif
WRITE_FLAG( pcPPS->getListsModificationPresentFlag(), "lists_modification_present_flag");
WRITE_UVLC( pcPPS->getLog2ParallelMergeLevelMinus2(), "log2_parallel_merge_level_minus2");
WRITE_FLAG( pcPPS->getSliceHeaderExtensionPresentFlag() ? 1 : 0, "slice_segment_header_extension_present_flag");
bool pps_extension_present_flag=false;
bool pps_extension_flags[NUM_PPS_EXTENSION_FLAGS]={false};
pps_extension_flags[PPS_EXT__REXT] = pcPPS->getPpsRangeExtension().settingsDifferFromDefaults(pcPPS->getUseTransformSkip());
// Other PPS extension flags checked here.
for(int i=0; i<NUM_PPS_EXTENSION_FLAGS; i++)
{
pps_extension_present_flag|=pps_extension_flags[i];
}
WRITE_FLAG( (pps_extension_present_flag?1:0), "pps_extension_present_flag" );
if (pps_extension_present_flag)
{
#if ENABLE_TRACING /*|| RExt__DECODER_DEBUG_BIT_STATISTICS*/
static const char *syntaxStrings[]={ "pps_range_extension_flag",
"pps_multilayer_extension_flag",
"pps_extension_6bits[0]",
"pps_extension_6bits[1]",
"pps_extension_6bits[2]",
"pps_extension_6bits[3]",
"pps_extension_6bits[4]",
"pps_extension_6bits[5]" };
#endif
for(int i=0; i<NUM_PPS_EXTENSION_FLAGS; i++)
{
WRITE_FLAG( pps_extension_flags[i]?1:0, syntaxStrings[i] );
}
for(int i=0; i<NUM_PPS_EXTENSION_FLAGS; i++) // loop used so that the order is determined by the enum.
{
if (pps_extension_flags[i])
{
switch (PPSExtensionFlagIndex(i))
{
case PPS_EXT__REXT:
{
const PPSRExt &ppsRangeExtension = pcPPS->getPpsRangeExtension();
if (pcPPS->getUseTransformSkip())
{
WRITE_UVLC( ppsRangeExtension.getLog2MaxTransformSkipBlockSize()-2, "log2_max_transform_skip_block_size_minus2");
}
WRITE_FLAG((ppsRangeExtension.getCrossComponentPredictionEnabledFlag() ? 1 : 0), "cross_component_prediction_enabled_flag" );
WRITE_FLAG(uint32_t(ppsRangeExtension.getChromaQpOffsetListEnabledFlag()), "chroma_qp_offset_list_enabled_flag" );
if (ppsRangeExtension.getChromaQpOffsetListEnabledFlag())
{
WRITE_UVLC(ppsRangeExtension.getDiffCuChromaQpOffsetDepth(), "diff_cu_chroma_qp_offset_depth");
WRITE_UVLC(ppsRangeExtension.getChromaQpOffsetListLen() - 1, "chroma_qp_offset_list_len_minus1");
/* skip zero index */
for (int cuChromaQpOffsetIdx = 0; cuChromaQpOffsetIdx < ppsRangeExtension.getChromaQpOffsetListLen(); cuChromaQpOffsetIdx++)
{
WRITE_SVLC(ppsRangeExtension.getChromaQpOffsetListEntry(cuChromaQpOffsetIdx+1).u.comp.CbOffset, "cb_qp_offset_list[i]");
WRITE_SVLC(ppsRangeExtension.getChromaQpOffsetListEntry(cuChromaQpOffsetIdx+1).u.comp.CrOffset, "cr_qp_offset_list[i]");
}
}
WRITE_UVLC( ppsRangeExtension.getLog2SaoOffsetScale(CHANNEL_TYPE_LUMA), "log2_sao_offset_scale_luma" );
WRITE_UVLC( ppsRangeExtension.getLog2SaoOffsetScale(CHANNEL_TYPE_CHROMA), "log2_sao_offset_scale_chroma" );
}
break;
default:
CHECK(pps_extension_flags[i]==false, "Unknown PPS extension signalled"); // Should never get here with an active PPS extension flag.
break;
} // switch
} // if flag present
} // loop over PPS flags
} // pps_extension_present_flag is non-zero
xWriteRbspTrailingBits();
}
void HLSWriter::codeVUI( const VUI *pcVUI, const SPS* pcSPS )
{
#if ENABLE_TRACING
DTRACE( g_trace_ctx, D_HEADER, "----------- vui_parameters -----------\n");
#endif
WRITE_FLAG(pcVUI->getAspectRatioInfoPresentFlag(), "aspect_ratio_info_present_flag");
if (pcVUI->getAspectRatioInfoPresentFlag())
{
WRITE_CODE(pcVUI->getAspectRatioIdc(), 8, "aspect_ratio_idc" );
if (pcVUI->getAspectRatioIdc() == 255)
{
WRITE_CODE(pcVUI->getSarWidth(), 16, "sar_width");
WRITE_CODE(pcVUI->getSarHeight(), 16, "sar_height");
}
}
WRITE_FLAG(pcVUI->getOverscanInfoPresentFlag(), "overscan_info_present_flag");
if (pcVUI->getOverscanInfoPresentFlag())
{
WRITE_FLAG(pcVUI->getOverscanAppropriateFlag(), "overscan_appropriate_flag");
}
WRITE_FLAG(pcVUI->getVideoSignalTypePresentFlag(), "video_signal_type_present_flag");
if (pcVUI->getVideoSignalTypePresentFlag())
{
WRITE_CODE(pcVUI->getVideoFormat(), 3, "video_format");
WRITE_FLAG(pcVUI->getVideoFullRangeFlag(), "video_full_range_flag");
WRITE_FLAG(pcVUI->getColourDescriptionPresentFlag(), "colour_description_present_flag");
if (pcVUI->getColourDescriptionPresentFlag())
{
WRITE_CODE(pcVUI->getColourPrimaries(), 8, "colour_primaries");
WRITE_CODE(pcVUI->getTransferCharacteristics(), 8, "transfer_characteristics");
WRITE_CODE(pcVUI->getMatrixCoefficients(), 8, "matrix_coeffs");
}
}
WRITE_FLAG(pcVUI->getChromaLocInfoPresentFlag(), "chroma_loc_info_present_flag");
if (pcVUI->getChromaLocInfoPresentFlag())
{
WRITE_UVLC(pcVUI->getChromaSampleLocTypeTopField(), "chroma_sample_loc_type_top_field");
WRITE_UVLC(pcVUI->getChromaSampleLocTypeBottomField(), "chroma_sample_loc_type_bottom_field");
}
WRITE_FLAG(pcVUI->getNeutralChromaIndicationFlag(), "neutral_chroma_indication_flag");
WRITE_FLAG(pcVUI->getFieldSeqFlag(), "field_seq_flag");
WRITE_FLAG(pcVUI->getFrameFieldInfoPresentFlag(), "frame_field_info_present_flag");
Window defaultDisplayWindow = pcVUI->getDefaultDisplayWindow();
WRITE_FLAG(defaultDisplayWindow.getWindowEnabledFlag(), "default_display_window_flag");
if( defaultDisplayWindow.getWindowEnabledFlag() )
{
WRITE_UVLC(defaultDisplayWindow.getWindowLeftOffset() / SPS::getWinUnitX(pcSPS->getChromaFormatIdc()), "def_disp_win_left_offset");
WRITE_UVLC(defaultDisplayWindow.getWindowRightOffset() / SPS::getWinUnitX(pcSPS->getChromaFormatIdc()), "def_disp_win_right_offset");
WRITE_UVLC(defaultDisplayWindow.getWindowTopOffset() / SPS::getWinUnitY(pcSPS->getChromaFormatIdc()), "def_disp_win_top_offset");
WRITE_UVLC(defaultDisplayWindow.getWindowBottomOffset()/ SPS::getWinUnitY(pcSPS->getChromaFormatIdc()), "def_disp_win_bottom_offset");
}
const TimingInfo *timingInfo = pcVUI->getTimingInfo();
WRITE_FLAG(timingInfo->getTimingInfoPresentFlag(), "vui_timing_info_present_flag");
if(timingInfo->getTimingInfoPresentFlag())
{
WRITE_CODE(timingInfo->getNumUnitsInTick(), 32, "vui_num_units_in_tick");
WRITE_CODE(timingInfo->getTimeScale(), 32, "vui_time_scale");
WRITE_FLAG(timingInfo->getPocProportionalToTimingFlag(), "vui_poc_proportional_to_timing_flag");
if(timingInfo->getPocProportionalToTimingFlag())
{
WRITE_UVLC(timingInfo->getNumTicksPocDiffOneMinus1(), "vui_num_ticks_poc_diff_one_minus1");
}
WRITE_FLAG(pcVUI->getHrdParametersPresentFlag(), "vui_hrd_parameters_present_flag");
if( pcVUI->getHrdParametersPresentFlag() )
{
codeHrdParameters(pcVUI->getHrdParameters(), 1, pcSPS->getMaxTLayers() - 1 );
}
}
WRITE_FLAG(pcVUI->getBitstreamRestrictionFlag(), "bitstream_restriction_flag");
if (pcVUI->getBitstreamRestrictionFlag())
{
#if HEVC_TILES_WPP
WRITE_FLAG(pcVUI->getTilesFixedStructureFlag(), "tiles_fixed_structure_flag");
#endif
WRITE_FLAG(pcVUI->getMotionVectorsOverPicBoundariesFlag(), "motion_vectors_over_pic_boundaries_flag");
WRITE_FLAG(pcVUI->getRestrictedRefPicListsFlag(), "restricted_ref_pic_lists_flag");
WRITE_UVLC(pcVUI->getMinSpatialSegmentationIdc(), "min_spatial_segmentation_idc");
WRITE_UVLC(pcVUI->getMaxBytesPerPicDenom(), "max_bytes_per_pic_denom");
WRITE_UVLC(pcVUI->getMaxBitsPerMinCuDenom(), "max_bits_per_min_cu_denom");
WRITE_UVLC(pcVUI->getLog2MaxMvLengthHorizontal(), "log2_max_mv_length_horizontal");
WRITE_UVLC(pcVUI->getLog2MaxMvLengthVertical(), "log2_max_mv_length_vertical");
}
}
void HLSWriter::codeHrdParameters( const HRD *hrd, bool commonInfPresentFlag, uint32_t maxNumSubLayersMinus1 )
{
if( commonInfPresentFlag )
{
WRITE_FLAG( hrd->getNalHrdParametersPresentFlag() ? 1 : 0 , "nal_hrd_parameters_present_flag" );
WRITE_FLAG( hrd->getVclHrdParametersPresentFlag() ? 1 : 0 , "vcl_hrd_parameters_present_flag" );
if( hrd->getNalHrdParametersPresentFlag() || hrd->getVclHrdParametersPresentFlag() )
{
WRITE_FLAG( hrd->getSubPicCpbParamsPresentFlag() ? 1 : 0, "sub_pic_hrd_params_present_flag" );
if( hrd->getSubPicCpbParamsPresentFlag() )
{
WRITE_CODE( hrd->getTickDivisorMinus2(), 8, "tick_divisor_minus2" );
WRITE_CODE( hrd->getDuCpbRemovalDelayLengthMinus1(), 5, "du_cpb_removal_delay_increment_length_minus1" );
WRITE_FLAG( hrd->getSubPicCpbParamsInPicTimingSEIFlag() ? 1 : 0, "sub_pic_cpb_params_in_pic_timing_sei_flag" );
WRITE_CODE( hrd->getDpbOutputDelayDuLengthMinus1(), 5, "dpb_output_delay_du_length_minus1" );
}
WRITE_CODE( hrd->getBitRateScale(), 4, "bit_rate_scale" );
WRITE_CODE( hrd->getCpbSizeScale(), 4, "cpb_size_scale" );
if( hrd->getSubPicCpbParamsPresentFlag() )
{
WRITE_CODE( hrd->getDuCpbSizeScale(), 4, "du_cpb_size_scale" );
}
WRITE_CODE( hrd->getInitialCpbRemovalDelayLengthMinus1(), 5, "initial_cpb_removal_delay_length_minus1" );
WRITE_CODE( hrd->getCpbRemovalDelayLengthMinus1(), 5, "au_cpb_removal_delay_length_minus1" );
WRITE_CODE( hrd->getDpbOutputDelayLengthMinus1(), 5, "dpb_output_delay_length_minus1" );
}
}
int i, j, nalOrVcl;
for( i = 0; i <= maxNumSubLayersMinus1; i ++ )
{
WRITE_FLAG( hrd->getFixedPicRateFlag( i ) ? 1 : 0, "fixed_pic_rate_general_flag");
bool fixedPixRateWithinCvsFlag = true;
if( !hrd->getFixedPicRateFlag( i ) )
{
fixedPixRateWithinCvsFlag = hrd->getFixedPicRateWithinCvsFlag( i );
WRITE_FLAG( hrd->getFixedPicRateWithinCvsFlag( i ) ? 1 : 0, "fixed_pic_rate_within_cvs_flag");
}
if( fixedPixRateWithinCvsFlag )
{
WRITE_UVLC( hrd->getPicDurationInTcMinus1( i ), "elemental_duration_in_tc_minus1");
}
else
{
WRITE_FLAG( hrd->getLowDelayHrdFlag( i ) ? 1 : 0, "low_delay_hrd_flag");
}
if (!hrd->getLowDelayHrdFlag( i ))
{
WRITE_UVLC( hrd->getCpbCntMinus1( i ), "cpb_cnt_minus1");
}
for( nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ )
{
if( ( ( nalOrVcl == 0 ) && ( hrd->getNalHrdParametersPresentFlag() ) ) ||
( ( nalOrVcl == 1 ) && ( hrd->getVclHrdParametersPresentFlag() ) ) )
{
for( j = 0; j <= ( hrd->getCpbCntMinus1( i ) ); j ++ )
{
WRITE_UVLC( hrd->getBitRateValueMinus1( i, j, nalOrVcl ), "bit_rate_value_minus1");
WRITE_UVLC( hrd->getCpbSizeValueMinus1( i, j, nalOrVcl ), "cpb_size_value_minus1");
if( hrd->getSubPicCpbParamsPresentFlag() )
{
WRITE_UVLC( hrd->getDuCpbSizeValueMinus1( i, j, nalOrVcl ), "cpb_size_du_value_minus1");
WRITE_UVLC( hrd->getDuBitRateValueMinus1( i, j, nalOrVcl ), "bit_rate_du_value_minus1");
}
WRITE_FLAG( hrd->getCbrFlag( i, j, nalOrVcl ) ? 1 : 0, "cbr_flag");
}
}
}
}
}
void HLSWriter::codeReshaper(const SliceReshapeInfo& pSliceReshaperInfo, const SPS* pcSPS, const bool isIntra)
WRITE_FLAG(pSliceReshaperInfo.getSliceReshapeModelPresentFlag() ? 1 : 0, "tile_group_reshaper_model_present_flag");
if (pSliceReshaperInfo.getSliceReshapeModelPresentFlag())
{
WRITE_UVLC(pSliceReshaperInfo.reshaperModelMinBinIdx, "reshaper_model_min_bin_idx");
WRITE_UVLC(PIC_CODE_CW_BINS - 1 - pSliceReshaperInfo.reshaperModelMaxBinIdx, "reshaper_model_delta_max_bin_idx");
assert(pSliceReshaperInfo.maxNbitsNeededDeltaCW > 0);
WRITE_UVLC(pSliceReshaperInfo.maxNbitsNeededDeltaCW - 1, "reshaper_model_bin_delta_abs_cw_prec_minus1");
for (int i = pSliceReshaperInfo.reshaperModelMinBinIdx; i <= pSliceReshaperInfo.reshaperModelMaxBinIdx; i++)
int signCW = (deltaCW < 0) ? 1 : 0;
int absCW = (deltaCW < 0) ? (-deltaCW) : deltaCW;
WRITE_CODE(absCW, pSliceReshaperInfo.maxNbitsNeededDeltaCW, "reshaper_model_bin_delta_abs_CW");
{
WRITE_FLAG(signCW, "reshaper_model_bin_delta_sign_CW_flag");
}
WRITE_FLAG(pSliceReshaperInfo.getUseSliceReshaper() ? 1 : 0, "tile_group_reshaper_enable_flag");
if (!pSliceReshaperInfo.getUseSliceReshaper())
return;
if (!(pcSPS->getUseDualITree() && isIntra))
WRITE_FLAG(pSliceReshaperInfo.getSliceReshapeChromaAdj(), "tile_group_reshaper_chroma_residual_scale_flag");
};
#endif // #if JVET_M0427_INLOOP_RESHAPER
Karsten Suehring
committed
void HLSWriter::codeSPS( const SPS* pcSPS )
{
#if ENABLE_TRACING
xTraceSPSHeader ();
#endif
#if HEVC_VPS
WRITE_CODE( pcSPS->getVPSId (), 4, "sps_video_parameter_set_id" );
#endif
WRITE_UVLC( pcSPS->getSPSId (), "sps_seq_parameter_set_id" );
Karsten Suehring
committed
Zhipin Deng
committed
WRITE_FLAG(pcSPS->getIntraOnlyConstraintFlag() ? 1 : 0, "intra_only_constraint_flag");
WRITE_CODE(pcSPS->getMaxBitDepthConstraintIdc(), 4, "max_bitdepth_constraint_idc");
WRITE_CODE(pcSPS->getMaxChromaFormatConstraintIdc(), 2, "max_chroma_format_constraint_idc");
WRITE_FLAG(pcSPS->getFrameConstraintFlag() ? 1 : 0, "frame_only_constraint_flag");
WRITE_FLAG(pcSPS->getNoQtbttDualTreeIntraConstraintFlag() ? 1 : 0, "no_qtbtt_dual_tree_intra_constraint_flag");
Zhipin Deng
committed
WRITE_FLAG(pcSPS->getNoSaoConstraintFlag() ? 1 : 0, "no_sao_constraint_flag");
WRITE_FLAG(pcSPS->getNoAlfConstraintFlag() ? 1 : 0, "no_alf_constraint_flag");
WRITE_FLAG(pcSPS->getNoPcmConstraintFlag() ? 1 : 0, "no_pcm_constraint_flag");
#if JVET_M0451_INTEROPERABILITY_POINT_SYNTAX
WRITE_FLAG(pcSPS->getNoRefWraparoundConstraintFlag() ? 1 : 0, "no_ref_wraparound_constraint_flag");
#endif
Zhipin Deng
committed
WRITE_FLAG(pcSPS->getNoTemporalMvpConstraintFlag() ? 1 : 0, "no_temporal_mvp_constraint_flag");
WRITE_FLAG(pcSPS->getNoSbtmvpConstraintFlag() ? 1 : 0, "no_sbtmvp_constraint_flag");
WRITE_FLAG(pcSPS->getNoAmvrConstraintFlag() ? 1 : 0, "no_amvr_constraint_flag");
#if JVET_M0451_INTEROPERABILITY_POINT_SYNTAX
WRITE_FLAG(pcSPS->getNoBdofConstraintFlag() ? 1 : 0, "no_bdof_constraint_flag");
#endif
WRITE_FLAG(pcSPS->getNoCclmConstraintFlag() ? 1 : 0, "no_cclm_constraint_flag");
Zhipin Deng
committed
WRITE_FLAG(pcSPS->getNoMtsConstraintFlag() ? 1 : 0, "no_mts_constraint_flag");
WRITE_FLAG(pcSPS->getNoAffineMotionConstraintFlag() ? 1 : 0, "no_affine_motion_constraint_flag");
#if JVET_M0451_INTEROPERABILITY_POINT_SYNTAX
WRITE_FLAG(pcSPS->getNoGbiConstraintFlag() ? 1 : 0, "no_gbi_constraint_flag");
WRITE_FLAG(pcSPS->getNoMhIntraConstraintFlag() ? 1 : 0, "no_mh_intra_constraint_flag");
WRITE_FLAG(pcSPS->getNoTriangleConstraintFlag() ? 1 : 0, "no_triangle_constraint_flag");
#endif
Zhipin Deng
committed
WRITE_FLAG(pcSPS->getNoLadfConstraintFlag() ? 1 : 0, "no_ladf_constraint_flag");
#if JVET_M0451_INTEROPERABILITY_POINT_SYNTAX
WRITE_FLAG(pcSPS->getNoCurrPicRefConstraintFlag() ? 1 : 0, "no_curr_pic_ref_constraint_flag");
WRITE_FLAG(pcSPS->getNoQpDeltaConstraintFlag() ? 1 : 0, "no_qp_delta_constraint_flag");
#endif
Zhipin Deng
committed
WRITE_FLAG(pcSPS->getNoDepQuantConstraintFlag() ? 1 : 0, "no_dep_quant_constraint_flag");
WRITE_FLAG(pcSPS->getNoSignDataHidingConstraintFlag() ? 1 : 0, "no_sign_data_hiding_constraint_flag");
// KJS: Marakech decision: sub-layers added back
CHECK( pcSPS->getMaxTLayers() == 0, "Maximum number of temporal sub-layers is '0'" );
Karsten Suehring
committed
WRITE_CODE( pcSPS->getMaxTLayers() - 1, 3, "sps_max_sub_layers_minus1" );
Karsten Suehring
committed
WRITE_FLAG( pcSPS->getTemporalIdNestingFlag() ? 1 : 0, "sps_temporal_id_nesting_flag" );
codePTL( pcSPS->getPTL(), true, pcSPS->getMaxTLayers() - 1 );
Karsten Suehring
committed
WRITE_UVLC( int(pcSPS->getChromaFormatIdc ()), "chroma_format_idc" );
const ChromaFormat format = pcSPS->getChromaFormatIdc();
Karsten Suehring
committed
if( format == CHROMA_444 )
{
WRITE_FLAG( 0, "separate_colour_plane_flag");
}
WRITE_UVLC( pcSPS->getPicWidthInLumaSamples (), "pic_width_in_luma_samples" );
WRITE_UVLC( pcSPS->getPicHeightInLumaSamples(), "pic_height_in_luma_samples" );
Window conf = pcSPS->getConformanceWindow();
Karsten Suehring
committed
WRITE_FLAG( conf.getWindowEnabledFlag(), "conformance_window_flag" );
if (conf.getWindowEnabledFlag())
{
WRITE_UVLC( conf.getWindowLeftOffset() / SPS::getWinUnitX(pcSPS->getChromaFormatIdc() ), "conf_win_left_offset" );
WRITE_UVLC( conf.getWindowRightOffset() / SPS::getWinUnitX(pcSPS->getChromaFormatIdc() ), "conf_win_right_offset" );
WRITE_UVLC( conf.getWindowTopOffset() / SPS::getWinUnitY(pcSPS->getChromaFormatIdc() ), "conf_win_top_offset" );
WRITE_UVLC( conf.getWindowBottomOffset() / SPS::getWinUnitY(pcSPS->getChromaFormatIdc() ), "conf_win_bottom_offset" );
}
WRITE_UVLC( pcSPS->getBitDepth(CHANNEL_TYPE_LUMA) - 8, "bit_depth_luma_minus8" );
const bool chromaEnabled = isChromaEnabled(format);
Karsten Suehring
committed
WRITE_UVLC( chromaEnabled ? (pcSPS->getBitDepth(CHANNEL_TYPE_CHROMA) - 8):0, "bit_depth_chroma_minus8" );
WRITE_UVLC( pcSPS->getBitsForPOC()-4, "log2_max_pic_order_cnt_lsb_minus4" );
// KJS: Marakech decision: sub-layers added back
Karsten Suehring
committed
const bool subLayerOrderingInfoPresentFlag = 1;
WRITE_FLAG(subLayerOrderingInfoPresentFlag, "sps_sub_layer_ordering_info_present_flag");
for(uint32_t i=0; i <= pcSPS->getMaxTLayers()-1; i++)
{
WRITE_UVLC( pcSPS->getMaxDecPicBuffering(i) - 1, "sps_max_dec_pic_buffering_minus1[i]" );
WRITE_UVLC( pcSPS->getNumReorderPics(i), "sps_max_num_reorder_pics[i]" );
WRITE_UVLC( pcSPS->getMaxLatencyIncreasePlus1(i), "sps_max_latency_increase_plus1[i]" );
if (!subLayerOrderingInfoPresentFlag)
{
break;
}
}
CHECK( pcSPS->getMaxCUWidth() != pcSPS->getMaxCUHeight(), "Rectangular CTUs not supported" );
WRITE_FLAG(pcSPS->getUseDualITree(), "qtbtt_dual_tree_intra_flag");
WRITE_UVLC(g_aucLog2[pcSPS->getCTUSize()] - MIN_CU_LOG2, "log2_ctu_size_minus2");
WRITE_UVLC(pcSPS->getLog2MinCodingBlockSize() - 2, "log2_min_luma_coding_block_size_minus2");
WRITE_FLAG(pcSPS->getSplitConsOverrideEnabledFlag(), "partition_constraints_override_enabled_flag");
WRITE_UVLC(g_aucLog2[pcSPS->getMinQTSize(I_SLICE)] - pcSPS->getLog2MinCodingBlockSize(), "sps_log2_diff_min_qt_min_cb_intra_tile_group_luma");
WRITE_UVLC(g_aucLog2[pcSPS->getMinQTSize(B_SLICE)] - pcSPS->getLog2MinCodingBlockSize(), "sps_log2_diff_min_qt_min_cb_inter_tile_group");
WRITE_UVLC(pcSPS->getMaxBTDepth(), "sps_max_mtt_hierarchy_depth_inter_tile_group");
WRITE_UVLC(pcSPS->getMaxBTDepthI(), "sps_max_mtt_hierarchy_depth_intra_tile_group_luma");
if (pcSPS->getMaxBTDepthI() != 0)
{
WRITE_UVLC(g_aucLog2[pcSPS->getMaxBTSizeI()] - g_aucLog2[pcSPS->getMinQTSize(I_SLICE)], "sps_log2_diff_max_bt_min_qt_intra_tile_group_luma");
WRITE_UVLC(g_aucLog2[pcSPS->getMaxTTSizeI()] - g_aucLog2[pcSPS->getMinQTSize(I_SLICE)], "sps_log2_diff_max_tt_min_qt_intra_tile_group_luma");
}
if (pcSPS->getMaxBTDepth() != 0)
{
WRITE_UVLC(g_aucLog2[pcSPS->getMaxBTSize()] - g_aucLog2[pcSPS->getMinQTSize(B_SLICE)], "sps_log2_diff_max_bt_min_qt_inter_tile_group");
WRITE_UVLC(g_aucLog2[pcSPS->getMaxTTSize()] - g_aucLog2[pcSPS->getMinQTSize(B_SLICE)], "sps_log2_diff_max_tt_min_qt_inter_tile_group");
}
if (pcSPS->getUseDualITree())
{
WRITE_UVLC(g_aucLog2[pcSPS->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)] - pcSPS->getLog2MinCodingBlockSize(), "sps_log2_diff_min_qt_min_cb_intra_tile_group_chroma");
WRITE_UVLC(pcSPS->getMaxBTDepthIChroma(), "sps_max_mtt_hierarchy_depth_intra_tile_group_chroma");
if (pcSPS->getMaxBTDepthIChroma() != 0)
{
WRITE_UVLC(g_aucLog2[pcSPS->getMaxBTSizeIChroma()] - g_aucLog2[pcSPS->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)], "sps_log2_diff_max_bt_min_qt_intra_tile_group_chroma");
WRITE_UVLC(g_aucLog2[pcSPS->getMaxTTSizeIChroma()] - g_aucLog2[pcSPS->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)], "sps_log2_diff_max_tt_min_qt_intra_tile_group_chroma");
#if MAX_TB_SIZE_SIGNALLING
// KJS: Not in syntax
WRITE_UVLC( pcSPS->getLog2MaxTbSize() - 2, "log2_max_luma_transform_block_size_minus2" );
#endif
WRITE_FLAG( pcSPS->getSAOEnabledFlag(), "sps_sao_enabled_flag");
WRITE_FLAG( pcSPS->getALFEnabledFlag(), "sps_alf_enabled_flag" );
WRITE_FLAG( pcSPS->getPCMEnabledFlag() ? 1 : 0, "sps_pcm_enabled_flag");
Karsten Suehring
committed
{
WRITE_CODE( pcSPS->getPCMBitDepth(CHANNEL_TYPE_LUMA) - 1, 4, "pcm_sample_bit_depth_luma_minus1" );
WRITE_CODE( chromaEnabled ? (pcSPS->getPCMBitDepth(CHANNEL_TYPE_CHROMA) - 1) : 0, 4, "pcm_sample_bit_depth_chroma_minus1" );
WRITE_UVLC( pcSPS->getPCMLog2MinSize() - 3, "log2_min_pcm_luma_coding_block_size_minus3" );
WRITE_UVLC( pcSPS->getPCMLog2MaxSize() - pcSPS->getPCMLog2MinSize(), "log2_diff_max_min_pcm_luma_coding_block_size" );
WRITE_FLAG( pcSPS->getPCMFilterDisableFlag()?1 : 0, "pcm_loop_filter_disable_flag");
}
WRITE_FLAG( pcSPS->getWrapAroundEnabledFlag() ? 1 : 0, "sps_ref_wraparound_enabled_flag" );
if( pcSPS->getWrapAroundEnabledFlag() )
WRITE_UVLC( pcSPS->getWrapAroundOffset(), "sps_ref_wraparound_offset" );
WRITE_FLAG( pcSPS->getSPSTemporalMVPEnabledFlag() ? 1 : 0, "sps_temporal_mvp_enabled_flag" );
if ( pcSPS->getSPSTemporalMVPEnabledFlag() )
{
WRITE_FLAG( pcSPS->getSBTMVPEnabledFlag() ? 1 : 0, "sps_sbtmvp_enabled_flag");
}
WRITE_FLAG( pcSPS->getAMVREnabledFlag() ? 1 : 0, "sps_amvr_enabled_flag" );
WRITE_FLAG( pcSPS->getBDOFEnabledFlag() ? 1 : 0, "sps_bdof_enabled_flag" );
#if JVET_M0246_AFFINE_AMVR
WRITE_FLAG( pcSPS->getAffineAmvrEnabledFlag() ? 1 : 0, "sps_affine_amvr_enabled_flag" );
#endif
WRITE_FLAG( pcSPS->getUseDMVR() ? 1 : 0, "sps_dmvr_enable_flag" );
// KJS: sps_cclm_enabled_flag
WRITE_FLAG( pcSPS->getUseLMChroma() ? 1 : 0, "lm_chroma_enabled_flag" );
#if JVET_M0142_CCLM_COLLOCATED_CHROMA
if ( pcSPS->getUseLMChroma() && pcSPS->getChromaFormatIdc() == CHROMA_420 )
WRITE_FLAG( pcSPS->getCclmCollocatedChromaFlag() ? 1 : 0, "sps_cclm_collocated_chroma_flag" );
}
#endif
#if JVET_M0303_IMPLICIT_MTS
WRITE_FLAG( pcSPS->getUseMTS() ? 1 : 0, "mts_enabled_flag" );
if ( pcSPS->getUseMTS() )
{
#endif
#if JVET_M0464_UNI_MTS
WRITE_FLAG( pcSPS->getUseIntraMTS() ? 1 : 0, "mts_intra_enabled_flag" );
WRITE_FLAG( pcSPS->getUseInterMTS() ? 1 : 0, "mts_inter_enabled_flag" );
#else
WRITE_FLAG( pcSPS->getUseIntraEMT() ? 1 : 0, "emt_intra_enabled_flag" );
WRITE_FLAG( pcSPS->getUseInterEMT() ? 1 : 0, "emt_inter_enabled_flag" );
#endif
#if JVET_M0303_IMPLICIT_MTS
// KJS: sps_affine_enabled_flag
WRITE_FLAG( pcSPS->getUseAffine() ? 1 : 0, "affine_flag" );
if ( pcSPS->getUseAffine() )
{
WRITE_FLAG( pcSPS->getUseAffineType() ? 1 : 0, "affine_type_flag" );
}
WRITE_FLAG( pcSPS->getUseGBi() ? 1 : 0, "gbi_flag" );
#if JVET_M0483_IBC
WRITE_FLAG(pcSPS->getIBCFlag() ? 1 : 0, "ibc_flag");
#else
WRITE_FLAG(pcSPS->getIBCMode() ? 1 : 0, "ibc_flag" );
#endif
// KJS: sps_ciip_enabled_flag
WRITE_FLAG( pcSPS->getUseMHIntra() ? 1 : 0, "mhintra_flag" );
WRITE_FLAG( pcSPS->getUseTriangle() ? 1: 0, "triangle_flag" );
// KJS: not in draft yet
#if JVET_M0255_FRACMMVD_SWITCH
WRITE_FLAG( pcSPS->getDisFracMmvdEnabledFlag() ? 1 : 0, "sps_fracmmvd_disabled_flag" );
#endif
// KJS: not in draft yet
Yin Zhao
committed
#if JVET_M0140_SBT
WRITE_FLAG( pcSPS->getUseSBT() ? 1 : 0, "sbt_enable_flag");
if( pcSPS->getUseSBT() )
{
WRITE_FLAG(pcSPS->getMaxSbtSize() == 64 ? 1 : 0, "max_sbt_size_64_flag");
}
#endif
// KJS: not in draft yet
#if JVET_M0427_INLOOP_RESHAPER
WRITE_FLAG(pcSPS->getUseReshaper() ? 1 : 0, "sps_reshaper_enable_flag");
#endif
#if LUMA_ADAPTIVE_DEBLOCKING_FILTER_QP_OFFSET
WRITE_FLAG( pcSPS->getLadfEnabled() ? 1 : 0, "sps_ladf_enabled_flag" );
if ( pcSPS->getLadfEnabled() )
{
WRITE_CODE( pcSPS->getLadfNumIntervals() - 2, 2, "sps_num_ladf_intervals_minus2" );
WRITE_SVLC( pcSPS->getLadfQpOffset( 0 ), "sps_ladf_lowest_interval_qp_offset");
for ( int k = 1; k< pcSPS->getLadfNumIntervals(); k++ )
{
WRITE_SVLC( pcSPS->getLadfQpOffset( k ), "sps_ladf_qp_offset" );
WRITE_UVLC( pcSPS->getLadfIntervalLowerBound( k ) - pcSPS->getLadfIntervalLowerBound( k - 1 ) - 1, "sps_ladf_delta_threshold_minus1" );
}
}
#endif
// KJS: reference picture sets to be replaced
Karsten Suehring
committed
const RPSList* rpsList = pcSPS->getRPSList();
WRITE_UVLC(rpsList->getNumberOfReferencePictureSets(), "num_short_term_ref_pic_sets" );
for(int i=0; i < rpsList->getNumberOfReferencePictureSets(); i++)
{
const ReferencePictureSet*rps = rpsList->getReferencePictureSet(i);
xCodeShortTermRefPicSet( rps,false, i);
}
WRITE_FLAG( pcSPS->getLongTermRefsPresent() ? 1 : 0, "long_term_ref_pics_present_flag" );
if (pcSPS->getLongTermRefsPresent())
{
WRITE_UVLC(pcSPS->getNumLongTermRefPicSPS(), "num_long_term_ref_pics_sps" );
for (uint32_t k = 0; k < pcSPS->getNumLongTermRefPicSPS(); k++)
{
WRITE_CODE( pcSPS->getLtRefPicPocLsbSps(k), pcSPS->getBitsForPOC(), "lt_ref_pic_poc_lsb_sps");
WRITE_FLAG( pcSPS->getUsedByCurrPicLtSPSFlag(k), "used_by_curr_pic_lt_sps_flag[i]");
}
}
#if HEVC_USE_INTRA_SMOOTHING_T32 || HEVC_USE_INTRA_SMOOTHING_T64
WRITE_FLAG( pcSPS->getUseStrongIntraSmoothing(), "strong_intra_smoothing_enable_flag" );
#endif
// KJS: remove scaling lists?
#if HEVC_USE_SCALING_LISTS
WRITE_FLAG( pcSPS->getScalingListFlag() ? 1 : 0, "scaling_list_enabled_flag" );
if(pcSPS->getScalingListFlag())
{
WRITE_FLAG( pcSPS->getScalingListPresentFlag() ? 1 : 0, "sps_scaling_list_data_present_flag" );
if(pcSPS->getScalingListPresentFlag())
{
codeScalingList( pcSPS->getScalingList() );
}
}
#endif
Karsten Suehring
committed
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
WRITE_FLAG( pcSPS->getVuiParametersPresentFlag(), "vui_parameters_present_flag" );
if (pcSPS->getVuiParametersPresentFlag())
{
codeVUI(pcSPS->getVuiParameters(), pcSPS);
}
bool sps_extension_present_flag=false;
bool sps_extension_flags[NUM_SPS_EXTENSION_FLAGS]={false};
sps_extension_flags[SPS_EXT__REXT] = pcSPS->getSpsRangeExtension().settingsDifferFromDefaults();
// Other SPS extension flags checked here.
for(int i=0; i<NUM_SPS_EXTENSION_FLAGS; i++)
{
sps_extension_present_flag|=sps_extension_flags[i];
}
WRITE_FLAG( (sps_extension_present_flag?1:0), "sps_extension_present_flag" );
if (sps_extension_present_flag)
{
#if ENABLE_TRACING /*|| RExt__DECODER_DEBUG_BIT_STATISTICS*/
static const char *syntaxStrings[]={ "sps_range_extension_flag",
"sps_multilayer_extension_flag",
"sps_extension_6bits[0]",
"sps_extension_6bits[1]",
"sps_extension_6bits[2]",
"sps_extension_6bits[3]",
"sps_extension_6bits[4]",
"sps_extension_6bits[5]" };
#endif
for(int i=0; i<NUM_SPS_EXTENSION_FLAGS; i++)
{
WRITE_FLAG( sps_extension_flags[i]?1:0, syntaxStrings[i] );
}
for(int i=0; i<NUM_SPS_EXTENSION_FLAGS; i++) // loop used so that the order is determined by the enum.
{
if (sps_extension_flags[i])
{
switch (SPSExtensionFlagIndex(i))
{
case SPS_EXT__REXT:
{
const SPSRExt &spsRangeExtension=pcSPS->getSpsRangeExtension();
WRITE_FLAG( (spsRangeExtension.getTransformSkipRotationEnabledFlag() ? 1 : 0), "transform_skip_rotation_enabled_flag");
WRITE_FLAG( (spsRangeExtension.getTransformSkipContextEnabledFlag() ? 1 : 0), "transform_skip_context_enabled_flag");
WRITE_FLAG( (spsRangeExtension.getRdpcmEnabledFlag(RDPCM_SIGNAL_IMPLICIT) ? 1 : 0), "implicit_rdpcm_enabled_flag" );
WRITE_FLAG( (spsRangeExtension.getRdpcmEnabledFlag(RDPCM_SIGNAL_EXPLICIT) ? 1 : 0), "explicit_rdpcm_enabled_flag" );
WRITE_FLAG( (spsRangeExtension.getExtendedPrecisionProcessingFlag() ? 1 : 0), "extended_precision_processing_flag" );
WRITE_FLAG( (spsRangeExtension.getIntraSmoothingDisabledFlag() ? 1 : 0), "intra_smoothing_disabled_flag" );
WRITE_FLAG( (spsRangeExtension.getHighPrecisionOffsetsEnabledFlag() ? 1 : 0), "high_precision_offsets_enabled_flag" );
WRITE_FLAG( (spsRangeExtension.getPersistentRiceAdaptationEnabledFlag() ? 1 : 0), "persistent_rice_adaptation_enabled_flag" );
WRITE_FLAG( (spsRangeExtension.getCabacBypassAlignmentEnabledFlag() ? 1 : 0), "cabac_bypass_alignment_enabled_flag" );
break;
}
default:
CHECK(sps_extension_flags[i]!=false, "Unknown PPS extension signalled"); // Should never get here with an active SPS extension flag.
break;
}
}
}
}
xWriteRbspTrailingBits();
}
#if HEVC_VPS
void HLSWriter::codeVPS( const VPS* pcVPS )
{
#if ENABLE_TRACING
xTraceVPSHeader();
#endif
WRITE_CODE( pcVPS->getVPSId(), 4, "vps_video_parameter_set_id" );
WRITE_FLAG( 1, "vps_base_layer_internal_flag" );
WRITE_FLAG( 1, "vps_base_layer_available_flag" );
WRITE_CODE( 0, 6, "vps_max_layers_minus1" );
WRITE_CODE( pcVPS->getMaxTLayers() - 1, 3, "vps_max_sub_layers_minus1" );
WRITE_FLAG( pcVPS->getTemporalNestingFlag(), "vps_temporal_id_nesting_flag" );
CHECK(pcVPS->getMaxTLayers()<=1&&!pcVPS->getTemporalNestingFlag(), "Invalud parameters");
WRITE_CODE( 0xffff, 16, "vps_reserved_0xffff_16bits" );
codePTL( pcVPS->getPTL(), true, pcVPS->getMaxTLayers() - 1 );
const bool subLayerOrderingInfoPresentFlag = 1;
WRITE_FLAG(subLayerOrderingInfoPresentFlag, "vps_sub_layer_ordering_info_present_flag");
for(uint32_t i=0; i <= pcVPS->getMaxTLayers()-1; i++)
{
WRITE_UVLC( pcVPS->getMaxDecPicBuffering(i) - 1, "vps_max_dec_pic_buffering_minus1[i]" );
WRITE_UVLC( pcVPS->getNumReorderPics(i), "vps_max_num_reorder_pics[i]" );
WRITE_UVLC( pcVPS->getMaxLatencyIncrease(i), "vps_max_latency_increase_plus1[i]" );
if (!subLayerOrderingInfoPresentFlag)
{
break;
}
}
CHECK( pcVPS->getNumHrdParameters() > MAX_VPS_NUM_HRD_PARAMETERS, "Too many HRD parameters" );
CHECK( pcVPS->getMaxNuhReservedZeroLayerId() >= MAX_VPS_NUH_RESERVED_ZERO_LAYER_ID_PLUS1, "Invalid parameters read" );
WRITE_CODE( pcVPS->getMaxNuhReservedZeroLayerId(), 6, "vps_max_layer_id" );
WRITE_UVLC( pcVPS->getMaxOpSets() - 1, "vps_num_layer_sets_minus1" );
for( uint32_t opsIdx = 1; opsIdx <= ( pcVPS->getMaxOpSets() - 1 ); opsIdx ++ )
{
// Operation point set
for( uint32_t i = 0; i <= pcVPS->getMaxNuhReservedZeroLayerId(); i ++ )
{
// Only applicable for version 1
// pcVPS->setLayerIdIncludedFlag( true, opsIdx, i );
WRITE_FLAG( pcVPS->getLayerIdIncludedFlag( opsIdx, i ) ? 1 : 0, "layer_id_included_flag[opsIdx][i]" );
}
}
const TimingInfo *timingInfo = pcVPS->getTimingInfo();
WRITE_FLAG(timingInfo->getTimingInfoPresentFlag(), "vps_timing_info_present_flag");
if(timingInfo->getTimingInfoPresentFlag())
{
WRITE_CODE(timingInfo->getNumUnitsInTick(), 32, "vps_num_units_in_tick");
WRITE_CODE(timingInfo->getTimeScale(), 32, "vps_time_scale");
WRITE_FLAG(timingInfo->getPocProportionalToTimingFlag(), "vps_poc_proportional_to_timing_flag");
if(timingInfo->getPocProportionalToTimingFlag())
{
WRITE_UVLC(timingInfo->getNumTicksPocDiffOneMinus1(), "vps_num_ticks_poc_diff_one_minus1");
}
WRITE_UVLC( pcVPS->getNumHrdParameters(), "vps_num_hrd_parameters" );
if( pcVPS->getNumHrdParameters() > 0 )
{
for( uint32_t i = 0; i < pcVPS->getNumHrdParameters(); i ++ )
{
// Only applicable for version 1
WRITE_UVLC( pcVPS->getHrdOpSetIdx( i ), "hrd_layer_set_idx" );
if( i > 0 )
{
WRITE_FLAG( pcVPS->getCprmsPresentFlag( i ) ? 1 : 0, "cprms_present_flag[i]" );
}
codeHrdParameters(pcVPS->getHrdParameters(i), pcVPS->getCprmsPresentFlag( i ), pcVPS->getMaxTLayers() - 1);
}
}
}
WRITE_FLAG( 0, "vps_extension_flag" );
//future extensions here..
xWriteRbspTrailingBits();
}
#endif
void HLSWriter::codeSliceHeader ( Slice* pcSlice )
{
#if ENABLE_TRACING
xTraceSliceHeader ();
#endif
CodingStructure& cs = *pcSlice->getPic()->cs;
const ChromaFormat format = pcSlice->getSPS()->getChromaFormatIdc();
const uint32_t numberValidComponents = getNumberValidComponents(format);
const bool chromaEnabled = isChromaEnabled(format);
//calculate number of bits required for slice address
int maxSliceSegmentAddress = cs.pcv->sizeInCtus;
int bitsSliceSegmentAddress = 0;
while(maxSliceSegmentAddress>(1<<bitsSliceSegmentAddress))
{
bitsSliceSegmentAddress++;
}
#if HEVC_DEPENDENT_SLICES