bool SFB::Audio::AddAPETagToDictionary(CFMutableDictionaryRef dictionary, std::vector<std::shared_ptr<AttachedPicture>>& attachedPictures, const TagLib::APE::Tag *tag)
{
if(nullptr == dictionary || nullptr == tag)
return false;
if(tag->isEmpty())
return true;
SFB::CFMutableDictionary additionalMetadata(0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
for(auto iterator : tag->itemListMap()) {
auto item = iterator.second;
if(item.isEmpty())
continue;
if(TagLib::APE::Item::Text == item.type()) {
SFB::CFString key(item.key().toCString(true), kCFStringEncodingUTF8);
SFB::CFString value(item.toString().toCString(true), kCFStringEncodingUTF8);
if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("ALBUM"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kAlbumTitleKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("ARTIST"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kArtistKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("ALBUMARTIST"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kAlbumArtistKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("COMPOSER"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kComposerKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("GENRE"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kGenreKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("DATE"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kReleaseDateKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("DESCRIPTION"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kCommentKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("TITLE"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kTitleKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("TRACKNUMBER"), kCFCompareCaseInsensitive))
AddIntToDictionary(dictionary, Metadata::kTrackNumberKey, CFStringGetIntValue(value));
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("TRACKTOTAL"), kCFCompareCaseInsensitive))
AddIntToDictionary(dictionary, Metadata::kTrackTotalKey, CFStringGetIntValue(value));
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("COMPILATION"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kCompilationKey, CFStringGetIntValue(value) ? kCFBooleanTrue : kCFBooleanFalse);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("DISCNUMBER"), kCFCompareCaseInsensitive))
AddIntToDictionary(dictionary, Metadata::kDiscNumberKey, CFStringGetIntValue(value));
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("DISCTOTAL"), kCFCompareCaseInsensitive))
AddIntToDictionary(dictionary, Metadata::kDiscTotalKey, CFStringGetIntValue(value));
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("LYRICS"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kLyricsKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("BPM"), kCFCompareCaseInsensitive))
AddIntToDictionary(dictionary, Metadata::kBPMKey, CFStringGetIntValue(value));
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("RATING"), kCFCompareCaseInsensitive))
AddIntToDictionary(dictionary, Metadata::kRatingKey, CFStringGetIntValue(value));
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("ISRC"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kISRCKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("MCN"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kMCNKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("MUSICBRAINZ_ALBUMID"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kMusicBrainzReleaseIDKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("MUSICBRAINZ_TRACKID"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kMusicBrainzRecordingIDKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("TITLESORT"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kTitleSortOrderKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("ALBUMTITLESORT"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kAlbumTitleSortOrderKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("ARTISTSORT"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kArtistSortOrderKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("ALBUMARTISTSORT"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kAlbumArtistSortOrderKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("COMPOSERSORT"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kComposerSortOrderKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("GROUPING"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kGroupingKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("REPLAYGAIN_REFERENCE_LOUDNESS"), kCFCompareCaseInsensitive))
AddDoubleToDictionary(dictionary, Metadata::kReferenceLoudnessKey, CFStringGetDoubleValue(value));
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("REPLAYGAIN_TRACK_GAIN"), kCFCompareCaseInsensitive))
AddDoubleToDictionary(dictionary, Metadata::kTrackGainKey, CFStringGetDoubleValue(value));
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("REPLAYGAIN_TRACK_PEAK"), kCFCompareCaseInsensitive))
AddDoubleToDictionary(dictionary, Metadata::kTrackPeakKey, CFStringGetDoubleValue(value));
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("REPLAYGAIN_ALBUM_GAIN"), kCFCompareCaseInsensitive))
AddDoubleToDictionary(dictionary, Metadata::kAlbumGainKey, CFStringGetDoubleValue(value));
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("REPLAYGAIN_ALBUM_PEAK"), kCFCompareCaseInsensitive))
AddDoubleToDictionary(dictionary, Metadata::kAlbumPeakKey, CFStringGetDoubleValue(value));
#if 0
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("METADATA_BLOCK_PICTURE"), kCFCompareCaseInsensitive)) {
// Handle embedded pictures
for(auto blockIterator : item.values()) {
auto encodedBlock = blockIterator.data(TagLib::String::UTF8);
// Decode the Base-64 encoded data
auto decodedBlock = TagLib::DecodeBase64(encodedBlock);
// Create the picture
TagLib::FLAC::Picture picture;
picture.parse(decodedBlock);
SFB::CFData data((const UInt8 *)picture.data().data(), picture.data().size());
SFB::CFString description = nullptr;
if(!picture.description().isNull())
description(picture.description().toCString(true), kCFStringEncodingUTF8);
attachedPictures.push_back(std::make_shared<AttachedPicture>(data, (AttachedPicture::Type)picture.type(), description));
}
}
#endif
// Put all unknown tags into the additional metadata
else
CFDictionarySetValue(additionalMetadata, key, value);
}
else if(TagLib::APE::Item::Binary == item.type()) {
SFB::CFString key(item.key().toCString(true), kCFStringEncodingUTF8);
// From http://www.hydrogenaudio.org/forums/index.php?showtopic=40603&view=findpost&p=504669
/*
<length> 32 bit
<flags with binary bit set> 32 bit
<field name> "Cover Art (Front)"|"Cover Art (Back)"
0x00
<description> UTF-8 string (needs to be a file name to be recognized by AudioShell - meh)
0x00
<cover data> binary
*/
if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("Cover Art (Front)"), kCFCompareCaseInsensitive) || kCFCompareEqualTo == CFStringCompare(key, CFSTR("Cover Art (Back)"), kCFCompareCaseInsensitive)) {
auto binaryData = item.binaryData();
size_t pos = binaryData.find('\0');
if(TagLib::ByteVector::npos() != pos && 3 < binaryData.size()) {
SFB::CFData data((const UInt8 *)binaryData.mid(pos + 1).data(), (CFIndex)(binaryData.size() - pos - 1));
SFB::CFString description(TagLib::String(binaryData.mid(0, pos), TagLib::String::UTF8).toCString(true), kCFStringEncodingUTF8);
attachedPictures.push_back(std::make_shared<AttachedPicture>(data, kCFCompareEqualTo == CFStringCompare(key, CFSTR("Cover Art (Front)"), kCFCompareCaseInsensitive) ? AttachedPicture::Type::FrontCover : AttachedPicture::Type::BackCover, description));
}
}
}
}
if(CFDictionaryGetCount(additionalMetadata))
CFDictionarySetValue(dictionary, Metadata::kAdditionalMetadataKey, additionalMetadata);
return true;
}
bool SFB::Audio::AddXiphCommentToDictionary(CFMutableDictionaryRef dictionary, std::vector<std::shared_ptr<AttachedPicture>>& attachedPictures, const TagLib::Ogg::XiphComment *tag)
{
if(nullptr == dictionary || nullptr == tag)
return false;
SFB::CFMutableDictionary additionalMetadata = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
for(auto it : tag->fieldListMap()) {
// According to the Xiph comment specification keys should only contain a limited subset of ASCII, but UTF-8 is a safer choice
SFB::CFString key = CFStringCreateWithCString(kCFAllocatorDefault, it.first.toCString(true), kCFStringEncodingUTF8);
// Vorbis allows multiple comments with the same key, but this isn't supported by AudioMetadata
SFB::CFString value = CFStringCreateWithCString(kCFAllocatorDefault, it.second.front().toCString(true), kCFStringEncodingUTF8);
if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("ALBUM"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kAlbumTitleKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("ARTIST"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kArtistKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("ALBUMARTIST"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kAlbumArtistKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("COMPOSER"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kComposerKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("GENRE"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kGenreKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("DATE"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kReleaseDateKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("DESCRIPTION"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kCommentKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("TITLE"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kTitleKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("TRACKNUMBER"), kCFCompareCaseInsensitive))
AddIntToDictionary(dictionary, Metadata::kTrackNumberKey, CFStringGetIntValue(value));
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("TRACKTOTAL"), kCFCompareCaseInsensitive))
AddIntToDictionary(dictionary, Metadata::kTrackTotalKey, CFStringGetIntValue(value));
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("COMPILATION"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kCompilationKey, CFStringGetIntValue(value) ? kCFBooleanTrue : kCFBooleanFalse);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("DISCNUMBER"), kCFCompareCaseInsensitive))
AddIntToDictionary(dictionary, Metadata::kDiscNumberKey, CFStringGetIntValue(value));
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("DISCTOTAL"), kCFCompareCaseInsensitive))
AddIntToDictionary(dictionary, Metadata::kDiscTotalKey, CFStringGetIntValue(value));
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("LYRICS"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kLyricsKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("BPM"), kCFCompareCaseInsensitive))
AddIntToDictionary(dictionary, Metadata::kBPMKey, CFStringGetIntValue(value));
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("RATING"), kCFCompareCaseInsensitive))
AddIntToDictionary(dictionary, Metadata::kRatingKey, CFStringGetIntValue(value));
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("ISRC"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kISRCKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("MCN"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kMCNKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("MUSICBRAINZ_ALBUMID"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kMusicBrainzReleaseIDKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("MUSICBRAINZ_TRACKID"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kMusicBrainzRecordingIDKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("TITLESORT"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kTitleSortOrderKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("ALBUMTITLESORT"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kAlbumTitleSortOrderKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("ARTISTSORT"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kArtistSortOrderKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("ALBUMARTISTSORT"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kAlbumArtistSortOrderKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("COMPOSERSORT"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kComposerSortOrderKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("GROUPING"), kCFCompareCaseInsensitive))
CFDictionarySetValue(dictionary, Metadata::kGroupingKey, value);
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("REPLAYGAIN_REFERENCE_LOUDNESS"), kCFCompareCaseInsensitive))
AddDoubleToDictionary(dictionary, Metadata::kReferenceLoudnessKey, CFStringGetDoubleValue(value));
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("REPLAYGAIN_TRACK_GAIN"), kCFCompareCaseInsensitive))
AddDoubleToDictionary(dictionary, Metadata::kTrackGainKey, CFStringGetDoubleValue(value));
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("REPLAYGAIN_TRACK_PEAK"), kCFCompareCaseInsensitive))
AddDoubleToDictionary(dictionary, Metadata::kTrackPeakKey, CFStringGetDoubleValue(value));
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("REPLAYGAIN_ALBUM_GAIN"), kCFCompareCaseInsensitive))
AddDoubleToDictionary(dictionary, Metadata::kAlbumGainKey, CFStringGetDoubleValue(value));
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("REPLAYGAIN_ALBUM_PEAK"), kCFCompareCaseInsensitive))
AddDoubleToDictionary(dictionary, Metadata::kAlbumPeakKey, CFStringGetDoubleValue(value));
else if(kCFCompareEqualTo == CFStringCompare(key, CFSTR("METADATA_BLOCK_PICTURE"), kCFCompareCaseInsensitive)) {
// Handle embedded pictures
for(auto blockIterator : it.second) {
auto encodedBlock = blockIterator.data(TagLib::String::UTF8);
// Decode the Base-64 encoded data
auto decodedBlock = TagLib::DecodeBase64(encodedBlock);
// Create the picture
TagLib::FLAC::Picture picture;
picture.parse(decodedBlock);
SFB::CFData data = CFDataCreate(kCFAllocatorDefault, (const UInt8 *)picture.data().data(), (CFIndex)picture.data().size());
SFB::CFString description;
if(!picture.description().isEmpty())
description = CFStringCreateWithCString(kCFAllocatorDefault, picture.description().toCString(true), kCFStringEncodingUTF8);
attachedPictures.push_back(std::make_shared<AttachedPicture>(data, (AttachedPicture::Type)picture.type(), description));
}
}
// Put all unknown tags into the additional metadata
else
CFDictionarySetValue(additionalMetadata, key, value);
}
if(CFDictionaryGetCount(additionalMetadata))
CFDictionarySetValue(dictionary, Metadata::kAdditionalMetadataKey, additionalMetadata);
return true;
}