26#if JUCE_MAC || JUCE_IOS
28#include <juce_audio_basics/native/juce_CoreAudioLayouts_mac.h>
29#include <juce_core/native/juce_CFHelpers_mac.h>
37 const char*
const coreAudioFormatName =
"CoreAudio supported file";
39 StringArray getStringInfo (AudioFilePropertyID property, UInt32 size,
void* data)
41 CFObjectHolder<CFArrayRef> extensions;
42 UInt32 sizeOfArray =
sizeof (extensions.object);
44 const auto err = AudioFileGetGlobalInfo (property,
53 const auto numValues = CFArrayGetCount (extensions.object);
57 for (CFIndex i = 0; i < numValues; ++i)
58 extensionsArray.
add (
"." + String::fromCFString ((CFStringRef) CFArrayGetValueAtIndex (extensions.object, i)));
60 return extensionsArray;
63 StringArray findFileExtensionsForCoreAudioCodec (AudioFileTypeID type)
65 return getStringInfo (kAudioFileGlobalInfo_ExtensionsForType,
sizeof (AudioFileTypeID), &type);
70 return getStringInfo (kAudioFileGlobalInfo_AllExtensions, 0,
nullptr);
73 static AudioFileTypeID toAudioFileTypeID (CoreAudioFormat::StreamKind kind)
75 using StreamKind = CoreAudioFormat::StreamKind;
79 case StreamKind::kAiff:
return kAudioFileAIFFType;
80 case StreamKind::kAifc:
return kAudioFileAIFCType;
81 case StreamKind::kWave:
return kAudioFileWAVEType;
82 case StreamKind::kSoundDesigner2:
return kAudioFileSoundDesigner2Type;
83 case StreamKind::kNext:
return kAudioFileNextType;
84 case StreamKind::kMp3:
return kAudioFileMP3Type;
85 case StreamKind::kMp2:
return kAudioFileMP2Type;
86 case StreamKind::kMp1:
return kAudioFileMP1Type;
87 case StreamKind::kAc3:
return kAudioFileAC3Type;
88 case StreamKind::kAacAdts:
return kAudioFileAAC_ADTSType;
89 case StreamKind::kMpeg4:
return kAudioFileMPEG4Type;
90 case StreamKind::kM4a:
return kAudioFileM4AType;
91 case StreamKind::kM4b:
return kAudioFileM4BType;
92 case StreamKind::kCaf:
return kAudioFileCAFType;
93 case StreamKind::k3gp:
return kAudioFile3GPType;
94 case StreamKind::k3gp2:
return kAudioFile3GP2Type;
95 case StreamKind::kAmr:
return kAudioFileAMRType;
97 case StreamKind::kNone:
break;
105const char*
const CoreAudioFormat::midiDataBase64 =
"midiDataBase64";
106const char*
const CoreAudioFormat::tempo =
"tempo";
107const char*
const CoreAudioFormat::timeSig =
"time signature";
108const char*
const CoreAudioFormat::keySig =
"key signature";
111struct CoreAudioFormatMetatdata
113 static uint32 chunkName (
const char*
const name)
noexcept {
return ByteOrder::bigEndianInt (name); }
118 FileHeader (InputStream& input)
120 fileType = (uint32) input.readIntBigEndian();
121 fileVersion = (uint16) input.readShortBigEndian();
122 fileFlags = (uint16) input.readShortBigEndian();
133 ChunkHeader (InputStream& input)
135 chunkType = (uint32) input.readIntBigEndian();
136 chunkSize = (int64) input.readInt64BigEndian();
144 struct AudioDescriptionChunk
146 AudioDescriptionChunk (InputStream& input)
148 sampleRate = input.readDoubleBigEndian();
149 formatID = (uint32) input.readIntBigEndian();
150 formatFlags = (uint32) input.readIntBigEndian();
151 bytesPerPacket = (uint32) input.readIntBigEndian();
152 framesPerPacket = (uint32) input.readIntBigEndian();
153 channelsPerFrame = (uint32) input.readIntBigEndian();
154 bitsPerChannel = (uint32) input.readIntBigEndian();
160 uint32 bytesPerPacket;
161 uint32 framesPerPacket;
162 uint32 channelsPerFrame;
163 uint32 bitsPerChannel;
167 static StringPairArray parseUserDefinedChunk (InputStream& input, int64 size)
169 StringPairArray infoStrings;
170 auto originalPosition = input.getPosition();
173 input.read (uuid,
sizeof (uuid));
175 if (memcmp (uuid,
"\x29\x81\x92\x73\xB5\xBF\x4A\xEF\xB7\x8D\x62\xD1\xEF\x90\xBB\x2C", 16) == 0)
177 auto numEntries = (uint32) input.readIntBigEndian();
179 for (uint32 i = 0; i < numEntries && input.getPosition() < originalPosition + size; ++i)
181 String keyName = input.readString();
182 infoStrings.set (keyName, input.readString());
186 input.setPosition (originalPosition + size);
191 static StringPairArray parseMidiChunk (InputStream& input, int64 size)
193 auto originalPosition = input.getPosition();
195 MemoryBlock midiBlock;
196 input.readIntoMemoryBlock (midiBlock, (ssize_t) size);
197 MemoryInputStream midiInputStream (midiBlock,
false);
199 StringPairArray midiMetadata;
202 if (midiFile.readFrom (midiInputStream))
204 midiMetadata.set (CoreAudioFormat::midiDataBase64, midiBlock.toBase64Encoding());
206 findTempoEvents (midiFile, midiMetadata);
207 findTimeSigEvents (midiFile, midiMetadata);
208 findKeySigEvents (midiFile, midiMetadata);
211 input.setPosition (originalPosition + size);
215 static void findTempoEvents (MidiFile& midiFile, StringPairArray& midiMetadata)
217 MidiMessageSequence tempoEvents;
218 midiFile.findAllTempoEvents (tempoEvents);
220 auto numTempoEvents = tempoEvents.getNumEvents();
221 MemoryOutputStream tempoSequence;
223 for (
int i = 0; i < numTempoEvents; ++i)
225 auto tempo = getTempoFromTempoMetaEvent (tempoEvents.getEventPointer (i));
230 midiMetadata.set (CoreAudioFormat::tempo, String (tempo));
232 if (numTempoEvents > 1)
233 tempoSequence << String (tempo) <<
',' << tempoEvents.getEventTime (i) <<
';';
237 if (tempoSequence.getDataSize() > 0)
238 midiMetadata.set (
"tempo sequence", tempoSequence.toUTF8());
241 static double getTempoFromTempoMetaEvent (MidiMessageSequence::MidiEventHolder* holder)
243 if (holder !=
nullptr)
245 auto& midiMessage = holder->message;
247 if (midiMessage.isTempoMetaEvent())
249 auto tempoSecondsPerQuarterNote = midiMessage.getTempoSecondsPerQuarterNote();
251 if (tempoSecondsPerQuarterNote > 0.0)
252 return 60.0 / tempoSecondsPerQuarterNote;
259 static void findTimeSigEvents (MidiFile& midiFile, StringPairArray& midiMetadata)
261 MidiMessageSequence timeSigEvents;
262 midiFile.findAllTimeSigEvents (timeSigEvents);
263 auto numTimeSigEvents = timeSigEvents.getNumEvents();
265 MemoryOutputStream timeSigSequence;
267 for (
int i = 0; i < numTimeSigEvents; ++i)
269 int numerator, denominator;
270 timeSigEvents.getEventPointer (i)->message.getTimeSignatureInfo (numerator, denominator);
272 String timeSigString;
273 timeSigString << numerator <<
'/' << denominator;
276 midiMetadata.set (CoreAudioFormat::timeSig, timeSigString);
278 if (numTimeSigEvents > 1)
279 timeSigSequence << timeSigString <<
',' << timeSigEvents.getEventTime (i) <<
';';
282 if (timeSigSequence.getDataSize() > 0)
283 midiMetadata.set (
"time signature sequence", timeSigSequence.toUTF8());
286 static void findKeySigEvents (MidiFile& midiFile, StringPairArray& midiMetadata)
288 MidiMessageSequence keySigEvents;
289 midiFile.findAllKeySigEvents (keySigEvents);
290 auto numKeySigEvents = keySigEvents.getNumEvents();
292 MemoryOutputStream keySigSequence;
294 for (
int i = 0; i < numKeySigEvents; ++i)
296 auto& message (keySigEvents.getEventPointer (i)->message);
297 auto key = jlimit (0, 14, message.getKeySignatureNumberOfSharpsOrFlats() + 7);
298 bool isMajor = message.isKeySignatureMajorKey();
300 static const char* majorKeys[] = {
"Cb",
"Gb",
"Db",
"Ab",
"Eb",
"Bb",
"F",
"C",
"G",
"D",
"A",
"E",
"B",
"F#",
"C#" };
301 static const char* minorKeys[] = {
"Ab",
"Eb",
"Bb",
"F",
"C",
"G",
"D",
"A",
"E",
"B",
"F#",
"C#",
"G#",
"D#",
"A#" };
303 String keySigString (isMajor ? majorKeys[key]
310 midiMetadata.set (CoreAudioFormat::keySig, keySigString);
312 if (numKeySigEvents > 1)
313 keySigSequence << keySigString <<
',' << keySigEvents.getEventTime (i) <<
';';
316 if (keySigSequence.getDataSize() > 0)
317 midiMetadata.set (
"key signature sequence", keySigSequence.toUTF8());
321 static StringPairArray parseInformationChunk (InputStream& input)
323 StringPairArray infoStrings;
324 auto numEntries = (uint32) input.readIntBigEndian();
326 for (uint32 i = 0; i < numEntries; ++i)
327 infoStrings.set (input.readString(), input.readString());
333 static bool read (InputStream& input, StringPairArray& metadataValues)
335 auto originalPos = input.getPosition();
337 const FileHeader cafFileHeader (input);
338 const bool isCafFile = cafFileHeader.fileType == chunkName (
"caff");
342 while (! input.isExhausted())
344 const ChunkHeader chunkHeader (input);
346 if (chunkHeader.chunkType == chunkName (
"desc"))
348 AudioDescriptionChunk audioDescriptionChunk (input);
350 else if (chunkHeader.chunkType == chunkName (
"uuid"))
352 metadataValues.addArray (parseUserDefinedChunk (input, chunkHeader.chunkSize));
354 else if (chunkHeader.chunkType == chunkName (
"data"))
359 if (chunkHeader.chunkSize == -1)
362 input.setPosition (input.getPosition() + chunkHeader.chunkSize);
364 else if (chunkHeader.chunkType == chunkName (
"midi"))
366 metadataValues.addArray (parseMidiChunk (input, chunkHeader.chunkSize));
368 else if (chunkHeader.chunkType == chunkName (
"info"))
370 metadataValues.addArray (parseInformationChunk (input));
375 input.setPosition (input.getPosition() + chunkHeader.chunkSize);
380 input.setPosition (originalPos);
390 using StreamKind = CoreAudioFormat::StreamKind;
392 CoreAudioReader (InputStream* inp, StreamKind streamKind)
393 : AudioFormatReader (inp, coreAudioFormatName)
395 usesFloatingPointData =
true;
398 if (input !=
nullptr)
399 CoreAudioFormatMetatdata::read (*input, metadataValues);
401 auto status = AudioFileOpenWithCallbacks (
this,
406 toAudioFileTypeID (streamKind),
410 status = ExtAudioFileWrapAudioFileID (audioFileID,
false, &audioFileRef);
414 AudioStreamBasicDescription sourceAudioFormat;
415 UInt32 audioStreamBasicDescriptionSize =
sizeof (AudioStreamBasicDescription);
416 ExtAudioFileGetProperty (audioFileRef,
417 kExtAudioFileProperty_FileDataFormat,
418 &audioStreamBasicDescriptionSize,
421 numChannels = sourceAudioFormat.mChannelsPerFrame;
422 sampleRate = sourceAudioFormat.mSampleRate;
424 UInt32 sizeOfLengthProperty =
sizeof (int64);
425 ExtAudioFileGetProperty (audioFileRef,
426 kExtAudioFileProperty_FileLengthFrames,
427 &sizeOfLengthProperty,
430 HeapBlock<AudioChannelLayout> caLayout;
431 bool hasLayout =
false;
432 UInt32 sizeOfLayout = 0, isWritable = 0;
434 status = AudioFileGetPropertyInfo (audioFileID, kAudioFilePropertyChannelLayout, &sizeOfLayout, &isWritable);
436 if (status == noErr && sizeOfLayout >= (
sizeof (AudioChannelLayout) -
sizeof (AudioChannelDescription)))
438 caLayout.malloc (1,
static_cast<size_t> (sizeOfLayout));
440 status = AudioFileGetProperty (audioFileID, kAudioFilePropertyChannelLayout,
441 &sizeOfLayout, caLayout.get());
445 auto fileLayout = CoreAudioLayouts::fromCoreAudio (*caLayout.get());
447 if (fileLayout.size() ==
static_cast<int> (numChannels))
450 channelSet = fileLayout;
455 destinationAudioFormat.mSampleRate = sampleRate;
456 destinationAudioFormat.mFormatID = kAudioFormatLinearPCM;
457 destinationAudioFormat.mFormatFlags = kLinearPCMFormatFlagIsFloat | kLinearPCMFormatFlagIsNonInterleaved | kAudioFormatFlagsNativeEndian;
458 destinationAudioFormat.mBitsPerChannel =
sizeof (float) * 8;
459 destinationAudioFormat.mChannelsPerFrame = numChannels;
460 destinationAudioFormat.mBytesPerFrame =
sizeof (float);
461 destinationAudioFormat.mFramesPerPacket = 1;
462 destinationAudioFormat.mBytesPerPacket = destinationAudioFormat.mFramesPerPacket * destinationAudioFormat.mBytesPerFrame;
464 status = ExtAudioFileSetProperty (audioFileRef,
465 kExtAudioFileProperty_ClientDataFormat,
466 sizeof (AudioStreamBasicDescription),
467 &destinationAudioFormat);
470 bufferList.malloc (1,
sizeof (AudioBufferList) + numChannels *
sizeof (::AudioBuffer));
471 bufferList->mNumberBuffers = numChannels;
472 channelMap.malloc (numChannels);
474 if (hasLayout && caLayout !=
nullptr)
476 auto caOrder = CoreAudioLayouts::getCoreAudioLayoutChannels (*caLayout);
478 for (
int i = 0; i < static_cast<int> (numChannels); ++i)
480 auto idx = channelSet.getChannelIndexForType (caOrder.getReference (i));
481 jassert (isPositiveAndBelow (idx,
static_cast<int> (numChannels)));
488 for (
int i = 0; i < static_cast<int> (numChannels); ++i)
498 ~CoreAudioReader()
override
500 ExtAudioFileDispose (audioFileRef);
501 AudioFileClose (audioFileID);
505 bool readSamples (
int*
const* destSamples,
int numDestChannels,
int startOffsetInDestBuffer,
506 int64 startSampleInFile,
int numSamples)
override
508 clearSamplesBeyondAvailableLength (destSamples, numDestChannels, startOffsetInDestBuffer,
509 startSampleInFile, numSamples, lengthInSamples);
514 if (lastReadPosition != startSampleInFile)
516 OSStatus status = ExtAudioFileSeek (audioFileRef, startSampleInFile);
520 lastReadPosition = startSampleInFile;
523 while (numSamples > 0)
525 auto numThisTime = jmin (8192, numSamples);
526 auto numBytes = (size_t) numThisTime *
sizeof (
float);
528 audioDataBlock.ensureSize (numBytes * numChannels,
false);
529 auto* data =
static_cast<float*
> (audioDataBlock.getData());
531 for (
int j = (
int) numChannels; --j >= 0;)
533 bufferList->mBuffers[j].mNumberChannels = 1;
534 bufferList->mBuffers[j].mDataByteSize = (UInt32) numBytes;
535 bufferList->mBuffers[j].mData = data;
539 auto numFramesToRead = (UInt32) numThisTime;
540 auto status = ExtAudioFileRead (audioFileRef, &numFramesToRead, bufferList);
545 if (numFramesToRead == 0)
548 if ((
int) numFramesToRead < numThisTime)
550 numThisTime = (int) numFramesToRead;
551 numBytes = (size_t) numThisTime *
sizeof (
float);
554 for (
int i = numDestChannels; --i >= 0;)
556 auto* dest = destSamples[(i < (int) numChannels ? channelMap[i] : i)];
560 if (i < (
int) numChannels)
561 memcpy (dest + startOffsetInDestBuffer, bufferList->mBuffers[i].mData, numBytes);
563 zeromem (dest + startOffsetInDestBuffer, numBytes);
567 startOffsetInDestBuffer += numThisTime;
568 numSamples -= numThisTime;
569 lastReadPosition += numThisTime;
575 AudioChannelSet getChannelLayout()
override
577 if (channelSet.size() ==
static_cast<int> (numChannels))
580 return AudioFormatReader::getChannelLayout();
586 AudioFileID audioFileID;
587 ExtAudioFileRef audioFileRef;
588 AudioChannelSet channelSet;
589 AudioStreamBasicDescription destinationAudioFormat;
590 MemoryBlock audioDataBlock;
591 HeapBlock<AudioBufferList> bufferList;
592 int64 lastReadPosition = 0;
593 HeapBlock<int> channelMap;
595 static SInt64 getSizeCallback (
void* inClientData)
597 return static_cast<CoreAudioReader*
> (inClientData)->input->getTotalLength();
600 static OSStatus readCallback (
void* inClientData, SInt64 inPosition, UInt32 requestCount,
601 void* buffer, UInt32* actualCount)
603 auto* reader =
static_cast<CoreAudioReader*
> (inClientData);
604 reader->input->setPosition (inPosition);
605 *actualCount = (UInt32) reader->input->read (buffer, (
int) requestCount);
609 JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (CoreAudioReader)
613CoreAudioFormat::CoreAudioFormat()
614 :
AudioFormat (coreAudioFormatName, findFileExtensionsForCoreAudioCodecs()),
615 streamKind (StreamKind::kNone)
619CoreAudioFormat::CoreAudioFormat (StreamKind kind)
620 : AudioFormat (coreAudioFormatName, findFileExtensionsForCoreAudioCodec (toAudioFileTypeID (kind))),
625CoreAudioFormat::~CoreAudioFormat() =
default;
627Array<int> CoreAudioFormat::getPossibleSampleRates() {
return {}; }
628Array<int> CoreAudioFormat::getPossibleBitDepths() {
return {}; }
630bool CoreAudioFormat::canDoStereo() {
return true; }
631bool CoreAudioFormat::canDoMono() {
return true; }
634AudioFormatReader* CoreAudioFormat::createReaderFor (InputStream* sourceStream,
635 bool deleteStreamIfOpeningFails)
637 std::unique_ptr<CoreAudioReader> r (
new CoreAudioReader (sourceStream, streamKind));
642 if (! deleteStreamIfOpeningFails)
648AudioFormatWriter* CoreAudioFormat::createWriterFor (OutputStream*,
652 const StringPairArray& ,
664#define DEFINE_CHANNEL_LAYOUT_DFL_ENTRY(x) CoreAudioChannelLayoutTag { x, #x, AudioChannelSet() }
665#define DEFINE_CHANNEL_LAYOUT_TAG_ENTRY(x, y) CoreAudioChannelLayoutTag { x, #x, y }
667class CoreAudioLayoutsUnitTest final :
public UnitTest
670 CoreAudioLayoutsUnitTest()
671 : UnitTest (
"Core Audio Layout <-> JUCE channel layout conversion", UnitTestCategories::audio)
677 kAudioChannelLayoutTag_HOA_ACN_SN3D_0Order = (190U<<16) | 1,
678 kAudioChannelLayoutTag_HOA_ACN_SN3D_1Order = (190U<<16) | 4,
679 kAudioChannelLayoutTag_HOA_ACN_SN3D_2Order = (190U<<16) | 9,
680 kAudioChannelLayoutTag_HOA_ACN_SN3D_3Order = (190U<<16) | 16,
681 kAudioChannelLayoutTag_HOA_ACN_SN3D_4Order = (190U<<16) | 25,
682 kAudioChannelLayoutTag_HOA_ACN_SN3D_5Order = (190U<<16) | 36
685 void runTest()
override
687 auto& knownTags = getAllKnownLayoutTags();
693 beginTest (
"All CA tags handled");
695 for (
auto tagEntry : knownTags)
697 auto labels = CoreAudioLayouts::fromCoreAudio (tagEntry.tag);
699 expect (! labels.isDiscreteLayout(),
"Tag \"" + String (tagEntry.name) +
"\" is not handled by JUCE");
704 beginTest (
"Number of speakers");
706 for (
auto tagEntry : knownTags)
708 auto labels = CoreAudioLayouts::getSpeakerLayoutForCoreAudioTag (tagEntry.tag);
710 expect (labels.size() == (tagEntry.tag & 0xffff),
"Tag \"" + String (tagEntry.name) +
"\" has incorrect channel count");
715 beginTest (
"No duplicate speaker");
717 for (
auto tagEntry : knownTags)
719 auto labels = CoreAudioLayouts::getSpeakerLayoutForCoreAudioTag (tagEntry.tag);
722 for (
int i = 0; i < (labels.size() - 1); ++i)
723 expect (labels.getReference (i) != labels.getReference (i + 1),
724 "Tag \"" + String (tagEntry.name) +
"\" has the same speaker twice");
729 beginTest (
"CA speaker list and juce layouts are consistent");
731 for (
auto tagEntry : knownTags)
732 expect (AudioChannelSet::channelSetWithChannels (CoreAudioLayouts::getSpeakerLayoutForCoreAudioTag (tagEntry.tag))
733 == CoreAudioLayouts::fromCoreAudio (tagEntry.tag),
734 "Tag \"" + String (tagEntry.name) +
"\" is not converted consistently by JUCE");
738 beginTest (
"AudioChannelSet documentation is correct");
740 for (
auto tagEntry : knownTags)
742 if (tagEntry.equivalentChannelSet.isDisabled())
745 expect (CoreAudioLayouts::fromCoreAudio (tagEntry.tag) == tagEntry.equivalentChannelSet,
746 "Documentation for tag \"" + String (tagEntry.name) +
"\" is incorrect");
751 beginTest (
"CA tag reverse conversion");
753 for (
auto tagEntry : knownTags)
755 if (tagEntry.equivalentChannelSet.isDisabled())
758 expect (CoreAudioLayouts::toCoreAudio (tagEntry.equivalentChannelSet) == tagEntry.tag,
759 "Incorrect reverse conversion for tag \"" + String (tagEntry.name) +
"\"");
765 struct CoreAudioChannelLayoutTag
767 AudioChannelLayoutTag tag;
769 AudioChannelSet equivalentChannelSet;
773 const Array<CoreAudioChannelLayoutTag>& getAllKnownLayoutTags()
const
775 static CoreAudioChannelLayoutTag tags[] = {
776 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_Mono, AudioChannelSet::mono()),
777 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_Stereo, AudioChannelSet::stereo()),
778 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_StereoHeadphones),
779 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_MatrixStereo),
780 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_MidSide),
781 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_XY),
782 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_Binaural),
783 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_Ambisonic_B_Format),
784 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_Quadraphonic, AudioChannelSet::quadraphonic()),
785 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_Pentagonal, AudioChannelSet::pentagonal()),
786 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_Hexagonal, AudioChannelSet::hexagonal()),
787 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_Octagonal, AudioChannelSet::octagonal()),
788 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_Cube),
789 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_MPEG_1_0),
790 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_MPEG_2_0),
791 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_MPEG_3_0_A, AudioChannelSet::createLCR()),
792 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_MPEG_3_0_B),
793 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_MPEG_4_0_A, AudioChannelSet::createLCRS()),
794 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_MPEG_4_0_B),
795 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_MPEG_5_0_A, AudioChannelSet::create5point0()),
796 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_MPEG_5_0_B),
797 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_MPEG_5_0_C),
798 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_MPEG_5_0_D),
799 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_MPEG_5_1_A, AudioChannelSet::create5point1()),
800 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_MPEG_5_1_B),
801 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_MPEG_5_1_C),
802 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_MPEG_5_1_D),
803 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_MPEG_6_1_A, AudioChannelSet::create6point1()),
804 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_MPEG_7_1_A, AudioChannelSet::create7point1SDDS()),
805 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_MPEG_7_1_B),
806 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_MPEG_7_1_C, AudioChannelSet::create7point1()),
807 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_Emagic_Default_7_1),
808 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_SMPTE_DTV),
809 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_ITU_1_0),
810 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_ITU_2_0),
811 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_ITU_2_1, AudioChannelSet::createLRS()),
812 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_ITU_2_2),
813 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_ITU_3_0),
814 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_ITU_3_1),
815 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_ITU_3_2),
816 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_ITU_3_2_1),
817 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_ITU_3_4_1),
818 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DVD_0),
819 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DVD_1),
820 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DVD_2),
821 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DVD_3),
822 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DVD_4),
823 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DVD_5),
824 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DVD_6),
825 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DVD_7),
826 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DVD_8),
827 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DVD_9),
828 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DVD_10),
829 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DVD_11),
830 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DVD_12),
831 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DVD_13),
832 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DVD_14),
833 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DVD_15),
834 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DVD_16),
835 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DVD_17),
836 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DVD_18),
837 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DVD_19),
838 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DVD_20),
839 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AudioUnit_4),
840 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AudioUnit_5),
841 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AudioUnit_6),
842 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AudioUnit_8),
843 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AudioUnit_5_0),
844 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_AudioUnit_6_0, AudioChannelSet::create6point0()),
845 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_AudioUnit_7_0, AudioChannelSet::create7point0()),
846 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_AudioUnit_7_0_Front, AudioChannelSet::create7point0SDDS()),
847 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AudioUnit_5_1),
848 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AudioUnit_6_1),
849 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AudioUnit_7_1),
850 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AudioUnit_7_1_Front),
851 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AAC_3_0),
852 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AAC_Quadraphonic),
853 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AAC_4_0),
854 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AAC_5_0),
855 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AAC_5_1),
856 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AAC_6_0),
857 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AAC_6_1),
858 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AAC_7_0),
859 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AAC_7_1),
860 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AAC_7_1_B),
861 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AAC_7_1_C),
862 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AAC_Octagonal),
863 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_TMH_10_2_std),
865 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AC3_1_0_1),
866 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AC3_3_0),
867 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AC3_3_1),
868 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AC3_3_0_1),
869 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AC3_2_1_1),
870 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_AC3_3_1_1),
871 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_EAC_6_0_A),
872 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_EAC_7_0_A),
873 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_EAC3_6_1_A),
874 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_EAC3_6_1_B),
875 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_EAC3_6_1_C),
876 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_EAC3_7_1_A),
877 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_EAC3_7_1_B),
878 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_EAC3_7_1_C),
879 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_EAC3_7_1_D),
880 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_EAC3_7_1_E),
881 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_EAC3_7_1_F),
882 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_EAC3_7_1_G),
883 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_EAC3_7_1_H),
884 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DTS_3_1),
885 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DTS_4_1),
886 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_DTS_6_0_A, AudioChannelSet::create6point0Music()),
887 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DTS_6_0_B),
888 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DTS_6_0_C),
889 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_DTS_6_1_A, AudioChannelSet::create6point1Music()),
890 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DTS_6_1_B),
891 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DTS_6_1_C),
892 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DTS_7_0),
893 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DTS_7_1),
894 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DTS_8_0_A),
895 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DTS_8_0_B),
896 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DTS_8_1_A),
897 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DTS_8_1_B),
898 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DTS_6_1_D),
899 DEFINE_CHANNEL_LAYOUT_DFL_ENTRY (kAudioChannelLayoutTag_DTS_6_1_D),
900 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_HOA_ACN_SN3D_0Order, AudioChannelSet::ambisonic (0)),
901 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_HOA_ACN_SN3D_1Order, AudioChannelSet::ambisonic (1)),
902 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_HOA_ACN_SN3D_2Order, AudioChannelSet::ambisonic (2)),
903 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_HOA_ACN_SN3D_3Order, AudioChannelSet::ambisonic (3)),
904 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_HOA_ACN_SN3D_4Order, AudioChannelSet::ambisonic (4)),
905 DEFINE_CHANNEL_LAYOUT_TAG_ENTRY (kAudioChannelLayoutTag_HOA_ACN_SN3D_5Order, AudioChannelSet::ambisonic (5))
907 static Array<CoreAudioChannelLayoutTag> knownTags (tags,
sizeof (tags) /
sizeof (CoreAudioChannelLayoutTag));
913static CoreAudioLayoutsUnitTest coreAudioLayoutsUnitTest;
void add(String stringToAdd)