-
Notifications
You must be signed in to change notification settings - Fork 1
/
cineia.cpp
737 lines (617 loc) · 33.3 KB
/
cineia.cpp
1
2
3
4
5
6
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
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
/*
Copyright (c) 2024. Steven Song (izwb-003)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#include "cineia.h"
// Because provided APIs of IABLib are too simple, we choose not to use them.
#include <parser/IABParser.h>
#include <packer/IABPacker.h>
#include <common/IABElements.h>
// ST 2098-2:2019 Table 18 AudioDataDLC Sample Count versus Frame Rate Code and Sample Rate
static const int dlcSampleCountList[10][2] = {
{2000, 4000},
{1920, 3840},
{1600, 3200},
{1000, 2000},
{960, 1920},
{800, 1600},
{500, 1000},
{480, 960},
{400, 800},
{2002, 4004}
};
CineIA::iabError CineIA::getIABFrameInfo(std::istream *iInputStream, iabFrameInfo &oIABFrameInfo) {
iabError error = kIABNoError;
IABParser parser(iInputStream);
error = parser.ParseIABFrame();
const IABFrameInterface* parsedFrame;
error = parser.GetIABFrame(parsedFrame);
if(error != kIABNoError) return error;
parsedFrame->GetSampleRate(oIABFrameInfo.sampleRate);
parsedFrame->GetMaxRendered(oIABFrameInfo.maxRendered);
parsedFrame->GetFrameRate(oIABFrameInfo.frameRate);
parsedFrame->GetBitDepth(oIABFrameInfo.bitDepth);
std::vector<IABElement*> subElements;
parsedFrame->GetSubElements(subElements);
for(IABElement* subElement : subElements) {
if(IABBedDefinition* bedDefinition = dynamic_cast<IABBedDefinition*>(subElement)) {
// Check BedDefinition count and channel count
oIABFrameInfo.bedDefinitionCount ++;
IABChannelCountType bedDefinitionChannelCount;
bedDefinition->GetChannelCount(bedDefinitionChannelCount);
oIABFrameInfo.bedDefinitionChannelCount = (uint32_t)bedDefinitionChannelCount;
// Check bed configuration
std::vector<IABChannel*> bedChannels;
bedDefinition->GetBedChannels(bedChannels);
for(IABChannel* bedChannel : bedChannels) {
IABChannelIDType channelID;
bedChannel->GetChannelID(channelID);
if(channelID > 0xD) {
oIABFrameInfo.isValidBedConfiguration = false;
break;
}
}
}
else if(IABObjectDefinition* objectDefinition = dynamic_cast<IABObjectDefinition*>(subElement))
oIABFrameInfo.objectDefinitionCount ++;
}
return error;
}
void CineIA::showError(iabError error) {
if(error != kIABNoError) {
std::cout<<error;
exit(error);
}
}
CineIA::iabError CineIA::reassembleIAB(std::istream *iInputStream, std::vector<char> &oOutputBuffer, uint32_t &oOutputLength) {
// Error variable
iabError error = kIABNoError;
// Build IMF parser and Atmos packer
IABParser* parser = new IABParser(iInputStream);
IABPacker* packer = new IABPacker();
// Build IMF IABFrame and Atmos IABFrame pointer
IABFrameInterface* iIABFrame;
IABFrameInterface* oIABFrame;
// Parse and get IMF IABFrame
parser->ParseIABFrame();
parser->GetIABFrameReleased(iIABFrame);
// Get Atmos IABFrame
packer->GetIABFrame(oIABFrame);
// Copy necessary IABFrame settings
IABVersionNumberType frameVersion;
IABSampleRateType frameSampleRate;
IABBitDepthType frameBitDepth;
IABFrameRateType frameFrameRate;
IABMaxRenderedRangeType frameMaxRendered;
iIABFrame->GetVersion(frameVersion);
iIABFrame->GetSampleRate(frameSampleRate);
iIABFrame->GetBitDepth(frameBitDepth);
iIABFrame->GetFrameRate(frameFrameRate);
iIABFrame->GetMaxRendered(frameMaxRendered);
oIABFrame->SetVersion(frameVersion);
oIABFrame->SetSampleRate(frameSampleRate);
oIABFrame->SetBitDepth(frameBitDepth);
oIABFrame->SetFrameRate(frameFrameRate);
oIABFrame->SetMaxRendered(frameMaxRendered);
// Parse and copy subelements
std::vector<IABElement*> iSubElements;
std::vector<IABElement*> oSubElements;
std::vector<IABAudioDataDLC*> oAudioDataDLCs;
std::vector<IABBedDefinition*> oBedDefinitions;
std::vector<IABObjectDefinition*> oObjectDefinitions;
iIABFrame->GetSubElements(iSubElements);
/*
* Dolby Atmos' constraint requires ObjectDefinition's MetaID to begin from 1.
* So we have to keep a counter to edit ObjectDefinition's MetaID in an order.
*/
IABMetadataIDType objectDefinitionMetaIDCounter = 1;
/*
* In a real Dolby Atmos bitstream, there will not appear AudioDataID = 0.
* So we have to fill those elements which uses AudioDataID = 0 with Audio data that has no sound.
* The following two variables are used to store a counter to mark which AudioDataID the current element should use.
*/
IABAudioDataIDType bedDefinitionBedChannelAudioDataIDCounter = 100;
IABAudioDataIDType objectDefinitionAudioDataIDCounter = 300;
std::vector<IABAudioDataDLC*>::iterator currentAudioDataDLCIterator;
for(IABElement* iSubElement : iSubElements) {
// Copy AudioData elements
if(IABAudioDataPCM* iAudioDataPCM = dynamic_cast<IABAudioDataPCM*>(iSubElement)) {
// Copy necessary AudioData settings
IABFrameRateType audioDataFrameRate;
IABSampleRateType audioDataSampleRate;
IABAudioDataIDType audioDataID;
audioDataFrameRate = iAudioDataPCM->GetPCMFrameRate();
audioDataSampleRate = iAudioDataPCM->GetPCMSampleRate();
iAudioDataPCM->GetAudioDataID(audioDataID);
// Build output AudioDataDLC element and set settings
IABAudioDataDLC* oAudioDataDLC = new IABAudioDataDLC(audioDataFrameRate, audioDataSampleRate, error);
if(error != kIABNoError) return error;
oAudioDataDLC->SetAudioDataID(audioDataID);
// Encode DLC audio
uint32_t audioDataPCMSampleCount = iAudioDataPCM->GetPCMSampleCount();
int32_t* audioDataPCMSamples = new int32_t[audioDataPCMSampleCount];
iAudioDataPCM->UnpackPCMToMonoSamples(audioDataPCMSamples, audioDataPCMSampleCount);
oAudioDataDLC->EncodeMonoPCMToDLC(audioDataPCMSamples, audioDataPCMSampleCount);
delete[] audioDataPCMSamples;
audioDataPCMSamples = nullptr;
// Add to output AudioDataDLCs vector
oAudioDataDLCs.push_back(oAudioDataDLC);
}
// Copy BedDefinition Element
else if(IABBedDefinition* iBedDefinition = dynamic_cast<IABBedDefinition*>(iSubElement)) {
// Initialize oAudioDataDLC iterator
currentAudioDataDLCIterator = oAudioDataDLCs.begin();
// Build output BedDefinition element
IABBedDefinition* oBedDefinition = new IABBedDefinition(frameFrameRate);
// Copy necessary BedDefinition settings
IABMetadataIDType bedDefinitionMetaID = 0; // * Dolby Atmos' constraint limits BedDefinition's MetaID to 0.
uint1_t bedDefinitionIsConditionalBed;
IABUseCaseType bedDefinitionBedUseCase;
iBedDefinition->GetConditionalBed(bedDefinitionIsConditionalBed);
iBedDefinition->GetBedUseCase(bedDefinitionBedUseCase);
oBedDefinition->SetMetadataID(bedDefinitionMetaID);
oBedDefinition->SetConditionalBed(bedDefinitionIsConditionalBed);
oBedDefinition->SetBedUseCase(bedDefinitionBedUseCase);
// Copy bed channels
std::vector<IABChannel*> iBedDefinitionBedChannels;
std::vector<IABChannel*> oBedDefinitionBedChannels;
iBedDefinition->GetBedChannels(iBedDefinitionBedChannels);
for(IABChannel* iBedDefinitionBedChannel : iBedDefinitionBedChannels) {
// Build output channel
IABChannel* oBedDefinitionBedChannel = new IABChannel();
// Copy necessary channel settings and modify AudioDataID = 0
IABChannelIDType channelID;
IABAudioDataIDType channelAudioDataID;
IABGain channelGain;
uint1_t channelDecorInfoExists;
iBedDefinitionBedChannel->GetChannelID(channelID);
iBedDefinitionBedChannel->GetAudioDataID(channelAudioDataID);
if(channelAudioDataID == bedDefinitionBedChannelAudioDataIDCounter) {
bedDefinitionBedChannelAudioDataIDCounter ++;
currentAudioDataDLCIterator ++;
}
else if(channelAudioDataID == 0) {
channelAudioDataID = bedDefinitionBedChannelAudioDataIDCounter ++;
IABAudioDataDLC* newAudioDataDLC = new IABAudioDataDLC(frameFrameRate, frameSampleRate, error);
newAudioDataDLC->SetAudioDataID(channelAudioDataID);
int32_t* muteSamples = new int32_t[dlcSampleCountList[frameFrameRate][frameSampleRate]]();
newAudioDataDLC->EncodeMonoPCMToDLC(muteSamples, dlcSampleCountList[frameFrameRate][frameSampleRate]);
delete[] muteSamples;
if(error != kIABNoError) return error;
currentAudioDataDLCIterator = oAudioDataDLCs.insert(currentAudioDataDLCIterator, newAudioDataDLC);
currentAudioDataDLCIterator ++;
}
else
return kValidateErrorAudioDataDLCDuplicateAudioDataID;
iBedDefinitionBedChannel->GetChannelGain(channelGain);
iBedDefinitionBedChannel->GetDecorInfoExists(channelDecorInfoExists);
oBedDefinitionBedChannel->SetChannelID(channelID);
oBedDefinitionBedChannel->SetAudioDataID(channelAudioDataID);
oBedDefinitionBedChannel->SetChannelGain(channelGain);
oBedDefinitionBedChannel->SetDecorInfoExists(channelDecorInfoExists);
// Add to output channel vector
oBedDefinitionBedChannels.push_back(oBedDefinitionBedChannel);
}
oBedDefinition->SetBedChannels(oBedDefinitionBedChannels);
// Add to output BedDefinitions vector
oBedDefinitions.push_back(oBedDefinition);
}
// Copy ObjectDefinition element
else if(IABObjectDefinition* iObjectDefinition = dynamic_cast<IABObjectDefinition*>(iSubElement)) {
// Build output ObjectDefinition element
IABObjectDefinition* oObjectDefinition = new IABObjectDefinition(frameFrameRate);
// Copy necessary ObjectDefinition settings and modify AudioDataID = 0
IABMetadataIDType objectDefinitionMetaID = objectDefinitionMetaIDCounter ++;
IABAudioDataIDType objectDefinitionAudioDataID;
uint1_t objectDefinitionIsConditionalObject;
IABUseCaseType objectDefinitionObjectUseCase;
iObjectDefinition->GetAudioDataID(objectDefinitionAudioDataID);
if(objectDefinitionAudioDataID == objectDefinitionAudioDataIDCounter) {
objectDefinitionAudioDataIDCounter ++;
}
else if(objectDefinitionAudioDataID == 0) {
objectDefinitionAudioDataID = objectDefinitionAudioDataIDCounter ++;
IABAudioDataDLC* newAudioDataDLC = new IABAudioDataDLC(frameFrameRate, frameSampleRate, error);
newAudioDataDLC->SetAudioDataID(objectDefinitionAudioDataID);
int32_t* muteSamples = new int32_t[dlcSampleCountList[frameFrameRate][frameSampleRate]]();
newAudioDataDLC->EncodeMonoPCMToDLC(muteSamples, dlcSampleCountList[frameFrameRate][frameSampleRate]);
delete[] muteSamples;
if(error != kIABNoError) return error;
oAudioDataDLCs.push_back(newAudioDataDLC);
}
else
return kValidateErrorAudioDataDLCDuplicateAudioDataID;
iObjectDefinition->GetConditionalObject(objectDefinitionIsConditionalObject);
iObjectDefinition->GetObjectUseCase(objectDefinitionObjectUseCase);
oObjectDefinition->SetMetadataID(objectDefinitionMetaID);
oObjectDefinition->SetAudioDataID(objectDefinitionAudioDataID);
oObjectDefinition->SetConditionalObject(objectDefinitionIsConditionalObject);
oObjectDefinition->SetObjectUseCase(objectDefinitionObjectUseCase);
// Copy object PanSubBlocks
std::vector<IABObjectSubBlock*> iObjectDefinitionPanSubBlocks;
std::vector<IABObjectSubBlock*> oObjectDefinitionPanSubBlocks;
iObjectDefinition->GetPanSubBlocks(iObjectDefinitionPanSubBlocks);
for(IABObjectSubBlock* iObjectDefinitionPanSubBlock : iObjectDefinitionPanSubBlocks) {
// Build output PanSubBlock
IABObjectSubBlock* oObjectDefinitionPanSubBlock = new IABObjectSubBlock();
// Copy necessary PanSubBlock settings
uint1_t panSubBlockPanInfoExists;
iObjectDefinitionPanSubBlock->GetPanInfoExists(panSubBlockPanInfoExists);
if(!panSubBlockPanInfoExists) {
oObjectDefinitionPanSubBlock->SetPanInfoExists(panSubBlockPanInfoExists);
oObjectDefinitionPanSubBlocks.push_back(oObjectDefinitionPanSubBlock);
continue;
}
oObjectDefinitionPanSubBlock->SetPanInfoExists(panSubBlockPanInfoExists);
// Copy necessary ObjectDefinition PanSubBlock settings
IABGain panSubBlockObjectGain;
CartesianPosInUnitCube panSubBlockObjectPosition;
IABObjectSnap panSubBlockObjectSnap;
IABObjectZoneGain9 panSubBlockObjectZoneGain9;
IABObjectSpread panSubBlockObjectSpread;
IABDecorCoeff panSubBlockDecorCoeff;
iObjectDefinitionPanSubBlock->GetObjectGain(panSubBlockObjectGain);
iObjectDefinitionPanSubBlock->GetObjectPositionToUnitCube(panSubBlockObjectPosition);
iObjectDefinitionPanSubBlock->GetObjectSnap(panSubBlockObjectSnap);
iObjectDefinitionPanSubBlock->GetObjectZoneGains9(panSubBlockObjectZoneGain9);
iObjectDefinitionPanSubBlock->GetObjectSpread(panSubBlockObjectSpread);
iObjectDefinitionPanSubBlock->GetDecorCoef(panSubBlockDecorCoeff);
oObjectDefinitionPanSubBlock->SetObjectGain(panSubBlockObjectGain);
oObjectDefinitionPanSubBlock->SetObjectPositionFromUnitCube(panSubBlockObjectPosition);
oObjectDefinitionPanSubBlock->SetObjectSnap(panSubBlockObjectSnap);
oObjectDefinitionPanSubBlock->SetObjectZoneGains9(panSubBlockObjectZoneGain9);
oObjectDefinitionPanSubBlock->SetObjectSpread(panSubBlockObjectSpread);
oObjectDefinitionPanSubBlock->SetDecorCoef(panSubBlockDecorCoeff);
// Add to output PanSubBlock vector
oObjectDefinitionPanSubBlocks.push_back(oObjectDefinitionPanSubBlock);
}
oObjectDefinition->SetPanSubBlocks(oObjectDefinitionPanSubBlocks);
// Add to output ObjectDefinitions vector
oObjectDefinitions.push_back(oObjectDefinition);
}
else
return kValidateErrorIAFrameUndefinedElementType;
}
// Assemble output subelements vector
size_t subElementsVectorSize = oAudioDataDLCs.size() + oBedDefinitions.size() + oObjectDefinitions.size();
oSubElements.reserve(subElementsVectorSize);
oSubElements.insert(oSubElements.end(), std::make_move_iterator(oAudioDataDLCs.begin()), std::make_move_iterator(oAudioDataDLCs.end()));
oSubElements.insert(oSubElements.end(), std::make_move_iterator(oBedDefinitions.begin()), std::make_move_iterator(oBedDefinitions.end()));
oSubElements.insert(oSubElements.end(), std::make_move_iterator(oObjectDefinitions.begin()), std::make_move_iterator(oObjectDefinitions.end()));
// Write subelements to Atmos IABFrame
oIABFrame->SetSubElements(oSubElements);
// Pack Atmos IABFrame and output
packer->PackIABFrame();
packer->GetPackedBuffer(oOutputBuffer, oOutputLength);
// Free memory
delete iIABFrame;
iIABFrame = nullptr;
delete parser;
parser = nullptr;
delete packer;
packer = nullptr;
return kIABNoError;
}
CineIA::iabError CineIA::reassembleIABDolby(std::istream *iInputStream, std::vector<char> &oOutputBuffer, uint32_t &oOutputLength) {
// Error variable
iabError error = kIABNoError;
// Build IMF parser and Atmos packer
IABParser* parser = new IABParser(iInputStream);
IABPacker* packer = new IABPacker();
// Build IMF IABFrame and Atmos IABFrame pointer
IABFrameInterface* iIABFrame;
IABFrameInterface* oIABFrame;
// Parse and get IMF IABFrame
parser->ParseIABFrame();
parser->GetIABFrameReleased(iIABFrame);
// Get Atmos IABFrame
packer->GetIABFrame(oIABFrame);
// Copy necessary IABFrame settings
IABVersionNumberType frameVersion;
IABSampleRateType frameSampleRate;
IABBitDepthType frameBitDepth;
IABFrameRateType frameFrameRate;
IABMaxRenderedRangeType frameMaxRendered;
iIABFrame->GetVersion(frameVersion);
iIABFrame->GetSampleRate(frameSampleRate);
iIABFrame->GetBitDepth(frameBitDepth);
iIABFrame->GetFrameRate(frameFrameRate);
iIABFrame->GetMaxRendered(frameMaxRendered);
oIABFrame->SetVersion(1);
oIABFrame->SetSampleRate(frameSampleRate);
oIABFrame->SetBitDepth(frameBitDepth);
oIABFrame->SetFrameRate(frameFrameRate);
oIABFrame->SetMaxRendered(frameMaxRendered);
// Parse and copy subelements
std::vector<IABElement*> iSubElements;
std::vector<IABElement*> oSubElements;
std::vector<IABAudioDataDLC*> oAudioDataDLCs;
std::vector<IABBedDefinition*> oBedDefinitions;
std::vector<IABObjectDefinition*> oObjectDefinitions;
iIABFrame->GetSubElements(iSubElements);
/*
* Dolby Atmos' constraint requires ObjectDefinition's MetaID to begin from 1.
* So we have to keep a counter to edit ObjectDefinition's MetaID in an order.
*/
IABMetadataIDType objectDefinitionMetaIDCounter = 1;
/*
* In a real Dolby Atmos bitstream, there will not appear AudioDataID = 0.
* So we have to fill those elements which uses AudioDataID = 0 with Audio data that has no sound.
* The following two variables are used to store a counter to mark which AudioDataID the current element should use.
*/
IABAudioDataIDType bedDefinitionBedChannelAudioDataIDCounter = 100;
IABAudioDataIDType objectDefinitionAudioDataIDCounter = 300;
std::vector<IABAudioDataDLC*>::iterator currentAudioDataDLCIterator;
for(IABElement* iSubElement : iSubElements) {
// Copy AudioData elements
if(IABAudioDataPCM* iAudioDataPCM = dynamic_cast<IABAudioDataPCM*>(iSubElement)) {
// Copy necessary AudioData settings
IABFrameRateType audioDataFrameRate;
IABSampleRateType audioDataSampleRate;
IABAudioDataIDType audioDataID;
audioDataFrameRate = iAudioDataPCM->GetPCMFrameRate();
audioDataSampleRate = iAudioDataPCM->GetPCMSampleRate();
iAudioDataPCM->GetAudioDataID(audioDataID);
// Build output AudioDataDLC element and set settings
IABAudioDataDLC* oAudioDataDLC = new IABAudioDataDLC(audioDataFrameRate, audioDataSampleRate, error);
if(error != kIABNoError) return error;
oAudioDataDLC->SetAudioDataID(audioDataID);
// Encode DLC audio
uint32_t audioDataPCMSampleCount = iAudioDataPCM->GetPCMSampleCount();
int32_t* audioDataPCMSamples = new int32_t[audioDataPCMSampleCount];
iAudioDataPCM->UnpackPCMToMonoSamples(audioDataPCMSamples, audioDataPCMSampleCount);
oAudioDataDLC->EncodeMonoPCMToDLC(audioDataPCMSamples, audioDataPCMSampleCount);
delete[] audioDataPCMSamples;
audioDataPCMSamples = nullptr;
// Add to output AudioDataDLCs vector
oAudioDataDLCs.push_back(oAudioDataDLC);
}
// Copy BedDefinition Element
else if(IABBedDefinition* iBedDefinition = dynamic_cast<IABBedDefinition*>(iSubElement)) {
// Initialize oAudioDataDLC iterator
currentAudioDataDLCIterator = oAudioDataDLCs.begin();
// Build output BedDefinition element
IABBedDefinition* oBedDefinition = new IABBedDefinition(frameFrameRate);
// Copy necessary BedDefinition settings
IABMetadataIDType bedDefinitionMetaID = 0; // * Dolby Atmos' constraint limits BedDefinition's MetaID to 0.
uint1_t bedDefinitionIsConditionalBed;
IABUseCaseType bedDefinitionBedUseCase;
iBedDefinition->GetConditionalBed(bedDefinitionIsConditionalBed);
bedDefinitionIsConditionalBed = 0;
iBedDefinition->GetBedUseCase(bedDefinitionBedUseCase);
oBedDefinition->SetMetadataID(bedDefinitionMetaID);
oBedDefinition->SetConditionalBed(bedDefinitionIsConditionalBed);
// Copy bed channels
std::vector<IABChannel*> iBedDefinitionBedChannels;
std::vector<IABChannel*> oBedDefinitionBedChannels;
iBedDefinition->GetBedChannels(iBedDefinitionBedChannels);
for(IABChannel* iBedDefinitionBedChannel : iBedDefinitionBedChannels) {
// Build output channel
IABChannel* oBedDefinitionBedChannel = new IABChannel();
// Copy necessary channel settings and modify AudioDataID = 0
IABChannelIDType channelID;
IABAudioDataIDType channelAudioDataID;
IABGain channelGain;
uint1_t channelDecorInfoExists;
iBedDefinitionBedChannel->GetChannelID(channelID);
iBedDefinitionBedChannel->GetAudioDataID(channelAudioDataID);
if(channelAudioDataID == bedDefinitionBedChannelAudioDataIDCounter) {
bedDefinitionBedChannelAudioDataIDCounter ++;
currentAudioDataDLCIterator ++;
}
else if(channelAudioDataID == 0) {
channelAudioDataID = bedDefinitionBedChannelAudioDataIDCounter ++;
IABAudioDataDLC* newAudioDataDLC = new IABAudioDataDLC(frameFrameRate, frameSampleRate, error);
newAudioDataDLC->SetAudioDataID(channelAudioDataID);
int32_t* muteSamples = new int32_t[dlcSampleCountList[frameFrameRate][frameSampleRate]]();
newAudioDataDLC->EncodeMonoPCMToDLC(muteSamples, dlcSampleCountList[frameFrameRate][frameSampleRate]);
delete[] muteSamples;
if(error != kIABNoError) return error;
currentAudioDataDLCIterator = oAudioDataDLCs.insert(currentAudioDataDLCIterator, newAudioDataDLC);
currentAudioDataDLCIterator ++;
}
else
return kValidateErrorAudioDataDLCDuplicateAudioDataID;
iBedDefinitionBedChannel->GetChannelGain(channelGain);
if(channelGain.getIABGainPrefix())
channelGain.setIABGain(1);
iBedDefinitionBedChannel->GetDecorInfoExists(channelDecorInfoExists);
channelDecorInfoExists = 0;
oBedDefinitionBedChannel->SetChannelID(channelID);
oBedDefinitionBedChannel->SetAudioDataID(channelAudioDataID);
oBedDefinitionBedChannel->SetChannelGain(channelGain);
oBedDefinitionBedChannel->SetDecorInfoExists(channelDecorInfoExists);
// Add to output channel vector
oBedDefinitionBedChannels.push_back(oBedDefinitionBedChannel);
}
oBedDefinition->SetBedChannels(oBedDefinitionBedChannels);
// Add to output BedDefinitions vector
oBedDefinitions.push_back(oBedDefinition);
}
// Copy ObjectDefinition element
else if(IABObjectDefinition* iObjectDefinition = dynamic_cast<IABObjectDefinition*>(iSubElement)) {
// Build output ObjectDefinition element
IABObjectDefinition* oObjectDefinition = new IABObjectDefinition(frameFrameRate);
// Copy necessary ObjectDefinition settings and modify AudioDataID = 0
IABMetadataIDType objectDefinitionMetaID = objectDefinitionMetaIDCounter ++;
IABAudioDataIDType objectDefinitionAudioDataID;
uint1_t objectDefinitionIsConditionalObject;
IABUseCaseType objectDefinitionObjectUseCase;
iObjectDefinition->GetAudioDataID(objectDefinitionAudioDataID);
if(objectDefinitionAudioDataID == objectDefinitionAudioDataIDCounter) {
objectDefinitionAudioDataIDCounter ++;
}
else if(objectDefinitionAudioDataID == 0) {
objectDefinitionAudioDataID = objectDefinitionAudioDataIDCounter ++;
IABAudioDataDLC* newAudioDataDLC = new IABAudioDataDLC(frameFrameRate, frameSampleRate, error);
newAudioDataDLC->SetAudioDataID(objectDefinitionAudioDataID);
int32_t* muteSamples = new int32_t[dlcSampleCountList[frameFrameRate][frameSampleRate]]();
newAudioDataDLC->EncodeMonoPCMToDLC(muteSamples, dlcSampleCountList[frameFrameRate][frameSampleRate]);
delete[] muteSamples;
if(error != kIABNoError) return error;
oAudioDataDLCs.push_back(newAudioDataDLC);
}
else
return kValidateErrorAudioDataDLCDuplicateAudioDataID;
// The following 11 bits will be 0x7FE
iObjectDefinition->GetConditionalObject(objectDefinitionIsConditionalObject);
objectDefinitionIsConditionalObject = 1;
iObjectDefinition->GetObjectUseCase(objectDefinitionObjectUseCase);
objectDefinitionObjectUseCase = kIABUseCase_Always;
oObjectDefinition->SetMetadataID(objectDefinitionMetaID);
oObjectDefinition->SetAudioDataID(objectDefinitionAudioDataID);
oObjectDefinition->SetConditionalObject(objectDefinitionIsConditionalObject);
oObjectDefinition->SetObjectUseCase(objectDefinitionObjectUseCase);
// Copy object PanSubBlocks
std::vector<IABObjectSubBlock*> iObjectDefinitionPanSubBlocks;
std::vector<IABObjectSubBlock*> oObjectDefinitionPanSubBlocks;
iObjectDefinition->GetPanSubBlocks(iObjectDefinitionPanSubBlocks);
for(IABObjectSubBlock* iObjectDefinitionPanSubBlock : iObjectDefinitionPanSubBlocks) {
// Build output PanSubBlock
IABObjectSubBlock* oObjectDefinitionPanSubBlock = new IABObjectSubBlock();
// Copy necessary PanSubBlock settings
uint1_t panSubBlockPanInfoExists;
iObjectDefinitionPanSubBlock->GetPanInfoExists(panSubBlockPanInfoExists);
if(!panSubBlockPanInfoExists) {
oObjectDefinitionPanSubBlock->SetPanInfoExists(panSubBlockPanInfoExists);
oObjectDefinitionPanSubBlocks.push_back(oObjectDefinitionPanSubBlock);
continue;
}
oObjectDefinitionPanSubBlock->SetPanInfoExists(panSubBlockPanInfoExists);
// Copy necessary ObjectDefinition PanSubBlock settings
IABGain panSubBlockObjectGain;
CartesianPosInUnitCube panSubBlockObjectPosition;
IABObjectSnap panSubBlockObjectSnap;
IABObjectZoneGain9 panSubBlockObjectZoneGain9;
IABObjectSpread panSubBlockObjectSpread;
IABDecorCoeff panSubBlockDecorCoeff;
iObjectDefinitionPanSubBlock->GetObjectGain(panSubBlockObjectGain);
if(panSubBlockObjectGain.getIABGainPrefix())
panSubBlockObjectGain.setIABGain(1);
iObjectDefinitionPanSubBlock->GetObjectPositionToUnitCube(panSubBlockObjectPosition);
iObjectDefinitionPanSubBlock->GetObjectSnap(panSubBlockObjectSnap);
iObjectDefinitionPanSubBlock->GetObjectZoneGains9(panSubBlockObjectZoneGain9);
iObjectDefinitionPanSubBlock->GetObjectSpread(panSubBlockObjectSpread);
if(panSubBlockObjectSpread.getIABObjectSpreadMode() != 0 && panSubBlockObjectSpread.getIABObjectSpreadMode() != 2)
return kIABPackerObjectSpreadModeError;
iObjectDefinitionPanSubBlock->GetDecorCoef(panSubBlockDecorCoeff);
oObjectDefinitionPanSubBlock->SetObjectGain(panSubBlockObjectGain);
oObjectDefinitionPanSubBlock->SetObjectPositionFromUnitCube(panSubBlockObjectPosition);
oObjectDefinitionPanSubBlock->SetObjectSnap(panSubBlockObjectSnap);
oObjectDefinitionPanSubBlock->SetObjectZoneGains9(panSubBlockObjectZoneGain9);
oObjectDefinitionPanSubBlock->SetObjectSpread(panSubBlockObjectSpread);
oObjectDefinitionPanSubBlock->SetDecorCoef(panSubBlockDecorCoeff);
// Add to output PanSubBlock vector
oObjectDefinitionPanSubBlocks.push_back(oObjectDefinitionPanSubBlock);
}
oObjectDefinition->SetPanSubBlocks(oObjectDefinitionPanSubBlocks);
// Add to output ObjectDefinitions vector
oObjectDefinitions.push_back(oObjectDefinition);
}
else
return kValidateErrorIAFrameUndefinedElementType;
}
// Assemble output subelements vector
size_t subElementsVectorSize = oAudioDataDLCs.size() + oBedDefinitions.size() + oObjectDefinitions.size();
oSubElements.reserve(subElementsVectorSize);
oSubElements.insert(oSubElements.end(), std::make_move_iterator(oAudioDataDLCs.begin()), std::make_move_iterator(oAudioDataDLCs.end()));
oSubElements.insert(oSubElements.end(), std::make_move_iterator(oBedDefinitions.begin()), std::make_move_iterator(oBedDefinitions.end()));
oSubElements.insert(oSubElements.end(), std::make_move_iterator(oObjectDefinitions.begin()), std::make_move_iterator(oObjectDefinitions.end()));
// Write subelements to Atmos IABFrame
oIABFrame->SetSubElements(oSubElements);
// Pack Atmos IABFrame and output
packer->PackIABFrame();
packer->GetPackedBuffer(oOutputBuffer, oOutputLength);
// Free memory
delete iIABFrame;
iIABFrame = nullptr;
delete parser;
parser = nullptr;
delete packer;
packer = nullptr;
return kIABNoError;
}
uint32_t reverseBytes(uint32_t value) {
return ((value >> 24) & 0x000000FF) |
((value >> 8) & 0x0000FF00) |
((value << 8) & 0x00FF0000) |
((value << 24) & 0xFF000000);
}
void CineIA::copyPreambleValue(std::istream *iIMFBuffer, std::vector<char> &ioOutputBuffer, uint32_t &ioOutputLength) {
// Copy PreambleLength
uint32_t preambleLength;
iIMFBuffer->seekg(1, std::ios::beg);
iIMFBuffer->read(reinterpret_cast<char*>(&preambleLength), 4);
std::copy(reinterpret_cast<char*>(&preambleLength), reinterpret_cast<char*>(&preambleLength) + 4, ioOutputBuffer.begin() + 1);
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
preambleLength = reverseBytes(preambleLength);
#endif
// Copy PreambleValue
std::vector<char> preambleValue(preambleLength);
iIMFBuffer->read(preambleValue.data(), preambleLength);
ioOutputBuffer.insert(ioOutputBuffer.begin() + 5, preambleValue.begin(), preambleValue.end());
ioOutputLength += preambleLength;
}
int CineIA::convertFrameRate(IABFrameRateType iFrameRate) {
switch(iFrameRate) {
case kIABFrameRate_23_976FPS:
return 23;
case kIABFrameRate_24FPS:
return 24;
case kIABFrameRate_25FPS:
return 25;
case kIABFrameRate_30FPS:
return 30;
case kIABFrameRate_48FPS:
return 48;
case kIABFrameRate_50FPS:
return 50;
case kIABFrameRate_60FPS:
return 60;
case kIABFrameRate_96FPS:
return 96;
case kIABFrameRate_100FPS:
return 100;
case kIABFrameRate_120FPS:
return 120;
default:
return 0;
}
return 0;
}
int CineIA::convertSampleRate(IABSampleRateType iSampleRate) {
switch(iSampleRate) {
case kIABSampleRate_48000Hz:
return 48000;
case kIABSampleRate_96000Hz:
return 96000;
default:
return 0;
}
return 0;
}
int CineIA::convertBitDepth(IABBitDepthType iBitDepth) {
switch(iBitDepth) {
case kIABBitDepth_16Bit:
return 16;
case kIABBitDepth_24Bit:
return 24;
default:
return 0;
}
return 0;
}