Ejemplo n.º 1
0
bool FLACMetadata::WriteMetadata(CFErrorRef *error)
{
	UInt8 buf [PATH_MAX];
	if(!CFURLGetFileSystemRepresentation(mURL, false, buf, PATH_MAX))
		return false;

	auto stream = new TagLib::FileStream(reinterpret_cast<const char *>(buf));
	TagLib::FLAC::File file(stream, TagLib::ID3v2::FrameFactory::instance(), false);

	if(!file.isValid()) {
		if(error) {
			CFStringRef description = CFCopyLocalizedString(CFSTR("The file “%@” is not a valid FLAC file."), "");
			CFStringRef failureReason = CFCopyLocalizedString(CFSTR("Not a FLAC file"), "");
			CFStringRef recoverySuggestion = CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), "");
			
			*error = CreateErrorForURL(AudioMetadataErrorDomain, AudioMetadataInputOutputError, description, mURL, failureReason, recoverySuggestion);
			
			CFRelease(description), description = nullptr;
			CFRelease(failureReason), failureReason = nullptr;
			CFRelease(recoverySuggestion), recoverySuggestion = nullptr;
		}

		return false;
	}

	SetXiphCommentFromMetadata(*this, file.xiphComment(), false);

	// Remove existing cover art
	file.removePictures();

	// Add album art
	for(auto attachedPicture : GetAttachedPictures()) {
	
		CGImageSourceRef imageSource = CGImageSourceCreateWithData(attachedPicture->GetData(), nullptr);
		if(nullptr == imageSource) {
			LOGGER_ERR("org.sbooth.AudioEngine.AudioMetadata.FLAC", "Skipping album art (unable to create image)");
			continue;
		}

		TagLib::FLAC::Picture *picture = new TagLib::FLAC::Picture;
		picture->setData(TagLib::ByteVector((const char *)CFDataGetBytePtr(attachedPicture->GetData()), (TagLib::uint)CFDataGetLength(attachedPicture->GetData())));
		picture->setType(static_cast<TagLib::FLAC::Picture::Type>(attachedPicture->GetType()));
		if(attachedPicture->GetDescription())
			picture->setDescription(TagLib::StringFromCFString(attachedPicture->GetDescription()));

		// Convert the image's UTI into a MIME type
		CFStringRef mimeType = UTTypeCopyPreferredTagWithClass(CGImageSourceGetType(imageSource), kUTTagClassMIMEType);
		if(mimeType) {
			picture->setMimeType(TagLib::StringFromCFString(mimeType));
			CFRelease(mimeType), mimeType = nullptr;
		}

		// Flesh out the height, width, and depth
		CFDictionaryRef imagePropertiesDictionary = CGImageSourceCopyPropertiesAtIndex(imageSource, 0, nullptr);
		if(imagePropertiesDictionary) {
			CFNumberRef imageWidth = (CFNumberRef)CFDictionaryGetValue(imagePropertiesDictionary, kCGImagePropertyPixelWidth);
			CFNumberRef imageHeight = (CFNumberRef)CFDictionaryGetValue(imagePropertiesDictionary, kCGImagePropertyPixelHeight);
			CFNumberRef imageDepth = (CFNumberRef)CFDictionaryGetValue(imagePropertiesDictionary, kCGImagePropertyDepth);

			int height, width, depth;

			// Ignore numeric conversion errors
			CFNumberGetValue(imageWidth, kCFNumberIntType, &width);
			CFNumberGetValue(imageHeight, kCFNumberIntType, &height);
			CFNumberGetValue(imageDepth, kCFNumberIntType, &depth);

			picture->setHeight(height);
			picture->setWidth(width);
			picture->setColorDepth(depth);

			CFRelease(imagePropertiesDictionary), imagePropertiesDictionary = nullptr;
		}

		file.addPicture(picture);

		CFRelease(imageSource), imageSource = nullptr;
	}

	if(!file.save()) {
		if(error) {
			CFStringRef description = CFCopyLocalizedString(CFSTR("The file “%@” is not a valid FLAC file."), "");
			CFStringRef failureReason = CFCopyLocalizedString(CFSTR("Unable to write metadata"), "");
			CFStringRef recoverySuggestion = CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), "");
			
			*error = CreateErrorForURL(AudioMetadataErrorDomain, AudioMetadataInputOutputError, description, mURL, failureReason, recoverySuggestion);
			
			CFRelease(description), description = nullptr;
			CFRelease(failureReason), failureReason = nullptr;
			CFRelease(recoverySuggestion), recoverySuggestion = nullptr;
		}

		return false;
	}

	MergeChangedMetadataIntoMetadata();

	return true;
}
bool
SetAPETagFromMetadata(const AudioMetadata& metadata, TagLib::APE::Tag *tag, bool setAlbumArt)
{
	if(nullptr == tag)
		return false;

	// Standard tags
	SetAPETag(tag, "ALBUM", metadata.GetAlbumTitle());
	SetAPETag(tag, "ARTIST", metadata.GetArtist());
	SetAPETag(tag, "ALBUMARTIST", metadata.GetAlbumArtist());
	SetAPETag(tag, "COMPOSER", metadata.GetComposer());
	SetAPETag(tag, "GENRE", metadata.GetGenre());
	SetAPETag(tag, "DATE", metadata.GetReleaseDate());
	SetAPETag(tag, "DESCRIPTION", metadata.GetComment());
	SetAPETag(tag, "TITLE", metadata.GetTitle());
	SetAPETagNumber(tag, "TRACKNUMBER", metadata.GetTrackNumber());
	SetAPETagNumber(tag, "TRACKTOTAL", metadata.GetTrackTotal());
	SetAPETagBoolean(tag, "COMPILATION", metadata.GetCompilation());
	SetAPETagNumber(tag, "DISCNUMBER", metadata.GetDiscNumber());
	SetAPETagNumber(tag, "DISCTOTAL", metadata.GetDiscTotal());
	SetAPETagNumber(tag, "BPM", metadata.GetBPM());
	SetAPETagNumber(tag, "RATING", metadata.GetRating());
	SetAPETag(tag, "ISRC", metadata.GetISRC());
	SetAPETag(tag, "MCN", metadata.GetMCN());
	SetAPETag(tag, "TITLESORT", metadata.GetTitleSortOrder());
	SetAPETag(tag, "ALBUMTITLESORT", metadata.GetAlbumTitleSortOrder());
	SetAPETag(tag, "ARTISTSORT", metadata.GetArtistSortOrder());
	SetAPETag(tag, "ALBUMARTISTSORT", metadata.GetAlbumArtistSortOrder());
	SetAPETag(tag, "COMPOSERSORT", metadata.GetComposerSortOrder());
	SetAPETag(tag, "GROUPING", metadata.GetGrouping());

	// Additional metadata
	CFDictionaryRef additionalMetadata = metadata.GetAdditionalMetadata();
	if(nullptr != additionalMetadata) {
		CFIndex count = CFDictionaryGetCount(additionalMetadata);
		
		const void * keys [count];
		const void * values [count];
		
		CFDictionaryGetKeysAndValues(additionalMetadata, reinterpret_cast<const void **>(keys), reinterpret_cast<const void **>(values));
		
		for(CFIndex i = 0; i < count; ++i) {
			CFIndex keySize = CFStringGetMaximumSizeForEncoding(CFStringGetLength(reinterpret_cast<CFStringRef>(keys[i])), kCFStringEncodingASCII);
			char key [keySize + 1];
			
			if(!CFStringGetCString(reinterpret_cast<CFStringRef>(keys[i]), key, keySize + 1, kCFStringEncodingASCII)) {
				LOGGER_ERR("org.sbooth.AudioEngine", "CFStringGetCString failed");
				continue;
			}
			
			SetAPETag(tag, key, reinterpret_cast<CFStringRef>(values[i]));
		}
	}
	
	// ReplayGain info
	SetAPETagDouble(tag, "REPLAYGAIN_REFERENCE_LOUDNESS", metadata.GetReplayGainReferenceLoudness(), CFSTR("%2.1f dB"));
	SetAPETagDouble(tag, "REPLAYGAIN_TRACK_GAIN", metadata.GetReplayGainTrackGain(), CFSTR("%+2.2f dB"));
	SetAPETagDouble(tag, "REPLAYGAIN_TRACK_PEAK", metadata.GetReplayGainTrackPeak(), CFSTR("%1.8f"));
	SetAPETagDouble(tag, "REPLAYGAIN_ALBUM_GAIN", metadata.GetReplayGainAlbumGain(), CFSTR("%+2.2f dB"));
	SetAPETagDouble(tag, "REPLAYGAIN_ALBUM_PEAK", metadata.GetReplayGainAlbumPeak(), CFSTR("%1.8f"));

	// Album art
	if(setAlbumArt) {
		tag->removeItem("Cover Art (Front)");
		tag->removeItem("Cover Art (Back)");
#if 0
		tag->removeItem("METADATA_BLOCK_PICTURE");
#endif

		for(auto attachedPicture : metadata.GetAttachedPictures()) {
			// APE can handle front and back covers natively
			if(AttachedPicture::Type::FrontCover == attachedPicture->GetType() || AttachedPicture::Type::FrontCover == attachedPicture->GetType()) {
				TagLib::ByteVector data;
				
				if(attachedPicture->GetDescription())
					data.append(TagLib::StringFromCFString(attachedPicture->GetDescription()).data(TagLib::String::UTF8));
				data.append('\0');
				data.append(TagLib::ByteVector((const char *)CFDataGetBytePtr(attachedPicture->GetData()), (TagLib::uint)CFDataGetLength(attachedPicture->GetData())));

				if(AttachedPicture::Type::FrontCover == attachedPicture->GetType())
					tag->setData("Cover Art (Front)", data);
				else if(AttachedPicture::Type::BackCover == attachedPicture->GetType())
					tag->setData("Cover Art (Back)", data);
			}
#if 0
			else {
				CGImageSourceRef imageSource = CGImageSourceCreateWithData(attachedPicture->GetData(), nullptr);
				if(nullptr == imageSource)
					return false;

				TagLib::FLAC::Picture picture;
				picture.setData(TagLib::ByteVector((const char *)CFDataGetBytePtr(attachedPicture->GetData()), (TagLib::uint)CFDataGetLength(attachedPicture->GetData())));
				picture.setType(static_cast<TagLib::FLAC::Picture::Type>(attachedPicture->GetType()));
				if(attachedPicture->GetDescription())
					picture.setDescription(TagLib::StringFromCFString(attachedPicture->GetDescription()));

				// Convert the image's UTI into a MIME type
				CFStringRef mimeType = UTTypeCopyPreferredTagWithClass(CGImageSourceGetType(imageSource), kUTTagClassMIMEType);
				if(mimeType) {
					picture.setMimeType(TagLib::StringFromCFString(mimeType));
					CFRelease(mimeType), mimeType = nullptr;
				}

				// Flesh out the height, width, and depth
				CFDictionaryRef imagePropertiesDictionary = CGImageSourceCopyPropertiesAtIndex(imageSource, 0, nullptr);
				if(imagePropertiesDictionary) {
					CFNumberRef imageWidth = (CFNumberRef)CFDictionaryGetValue(imagePropertiesDictionary, kCGImagePropertyPixelWidth);
					CFNumberRef imageHeight = (CFNumberRef)CFDictionaryGetValue(imagePropertiesDictionary, kCGImagePropertyPixelHeight);
					CFNumberRef imageDepth = (CFNumberRef)CFDictionaryGetValue(imagePropertiesDictionary, kCGImagePropertyDepth);
					
					int height, width, depth;
					
					// Ignore numeric conversion errors
					CFNumberGetValue(imageWidth, kCFNumberIntType, &width);
					CFNumberGetValue(imageHeight, kCFNumberIntType, &height);
					CFNumberGetValue(imageDepth, kCFNumberIntType, &depth);
					
					picture.setHeight(height);
					picture.setWidth(width);
					picture.setColorDepth(depth);
					
					CFRelease(imagePropertiesDictionary), imagePropertiesDictionary = nullptr;
				}

				TagLib::ByteVector encodedBlock = TagLib::EncodeBase64(picture.render());
				tag->addValue("METADATA_BLOCK_PICTURE", TagLib::String(encodedBlock, TagLib::String::UTF8), false);

				CFRelease(imageSource), imageSource = nullptr;
			}
#endif
		}
	}

	return true;
}