bool SFB::Audio::AddID3v1TagToDictionary(CFMutableDictionaryRef dictionary, const TagLib::ID3v1::Tag *tag)
{
	// ID3v1 tags are only supposed to contain characters in ISO 8859-1 format, but that isn't always the case
	// AddTagToDictionary assumes UTF-8, so everything should work properly
	// Currently TagLib::ID3v1::Tag doesn't implement any more functionality than TagLib::Tag
	return AddTagToDictionary(dictionary, tag);
}
Пример #2
0
bool SFB::Audio::WAVEMetadata::_ReadMetadata(CFErrorRef *error)
{
	UInt8 buf [PATH_MAX];
	if(!CFURLGetFileSystemRepresentation(mURL, false, buf, PATH_MAX))
		return false;
	
	std::unique_ptr<TagLib::FileStream> stream(new TagLib::FileStream((const char *)buf, true));
	if(!stream->isOpen()) {
		if(error) {
			SFB::CFString description = CFCopyLocalizedString(CFSTR("The file “%@” could not be opened for reading."), "");
			SFB::CFString failureReason = CFCopyLocalizedString(CFSTR("Input/output error"), "");
			SFB::CFString recoverySuggestion = CFCopyLocalizedString(CFSTR("The file may have been renamed, moved, deleted, or you may not have appropriate permissions."), "");

			*error = CreateErrorForURL(Metadata::ErrorDomain, Metadata::InputOutputError, description, mURL, failureReason, recoverySuggestion);
		}

		return false;
	}

	TagLib::RIFF::WAV::File file(stream.get());
	if(!file.isValid()) {
		if(nullptr != error) {
			SFB::CFString description = CFCopyLocalizedString(CFSTR("The file “%@” is not a valid WAVE file."), "");
			SFB::CFString failureReason = CFCopyLocalizedString(CFSTR("Not a WAVE file"), "");
			SFB::CFString recoverySuggestion = CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), "");
			
			*error = CreateErrorForURL(Metadata::ErrorDomain, Metadata::InputOutputError, description, mURL, failureReason, recoverySuggestion);
		}
		
		return false;
	}
	
	CFDictionarySetValue(mMetadata, kFormatNameKey, CFSTR("WAVE"));

	if(file.audioProperties()) {
		auto properties = file.audioProperties();
		AddAudioPropertiesToDictionary(mMetadata, properties);
		
		if(properties->sampleWidth())
			AddIntToDictionary(mMetadata, kBitsPerChannelKey, properties->sampleWidth());
		if(properties->sampleFrames())
			AddIntToDictionary(mMetadata, kTotalFramesKey, (int)properties->sampleFrames());
	}

	if(file.InfoTag())
		AddTagToDictionary(mMetadata, file.InfoTag());

	if(file.ID3v2Tag())
		AddID3v2TagToDictionary(mMetadata, mPictures, file.ID3v2Tag());

	return true;
}
bool SFB::Audio::AddID3v2TagToDictionary(CFMutableDictionaryRef dictionary, std::vector<std::shared_ptr<AttachedPicture>>& attachedPictures, const TagLib::ID3v2::Tag *tag)
{
	if(nullptr == dictionary || nullptr == tag)
		return false;

	// Add the basic tags not specific to ID3v2
	AddTagToDictionary(dictionary, tag);

	// Release date
	auto frameList = tag->frameListMap()["TDRC"];
	if(!frameList.isEmpty()) {
		/*
		 The timestamp fields are based on a subset of ISO 8601. When being as
		 precise as possible the format of a time string is
		 yyyy-MM-ddTHH:mm:ss (year, "-", month, "-", day, "T", hour (out of
		 24), ":", minutes, ":", seconds), but the precision may be reduced by
		 removing as many time indicators as wanted. Hence valid timestamps
		 are
		 yyyy, yyyy-MM, yyyy-MM-dd, yyyy-MM-ddTHH, yyyy-MM-ddTHH:mm and
		 yyyy-MM-ddTHH:mm:ss. All time stamps are UTC. For durations, use
		 the slash character as described in 8601, and for multiple non-
		 contiguous dates, use multiple strings, if allowed by the frame
		 definition.
		 */

		TagLib::AddStringToCFDictionary(dictionary, Metadata::kReleaseDateKey, frameList.front()->toString());
	}

	// Extract composer if present
	frameList = tag->frameListMap()["TCOM"];
	if(!frameList.isEmpty())
		TagLib::AddStringToCFDictionary(dictionary, Metadata::kComposerKey, frameList.front()->toString());

	// Extract album artist
	frameList = tag->frameListMap()["TPE2"];
	if(!frameList.isEmpty())
		TagLib::AddStringToCFDictionary(dictionary, Metadata::kAlbumArtistKey, frameList.front()->toString());

	// BPM
	frameList = tag->frameListMap()["TBPM"];
	if(!frameList.isEmpty()) {
		bool ok = false;
		int BPM = frameList.front()->toString().toInt(&ok);
		if(ok)
			AddIntToDictionary(dictionary, Metadata::kBPMKey, BPM);
	}

	// Rating
	TagLib::ID3v2::PopularimeterFrame *popularimeter = nullptr;
	frameList = tag->frameListMap()["POPM"];
	if(!frameList.isEmpty() && nullptr != (popularimeter = dynamic_cast<TagLib::ID3v2::PopularimeterFrame *>(frameList.front())))
		AddIntToDictionary(dictionary, Metadata::kRatingKey, popularimeter->rating());

	// Extract total tracks if present
	frameList = tag->frameListMap()["TRCK"];
	if(!frameList.isEmpty()) {
		// Split the tracks at '/'
		TagLib::String s = frameList.front()->toString();

		bool ok;
		size_t pos = s.find("/", 0);
		if(TagLib::String::npos() != pos) {
			int trackNum = s.substr(0, pos).toInt(&ok);
			if(ok)
				AddIntToDictionary(dictionary, Metadata::kTrackNumberKey, trackNum);

			int trackTotal = s.substr(pos + 1).toInt(&ok);
			if(ok)
				AddIntToDictionary(dictionary, Metadata::kTrackTotalKey, trackTotal);
		}
		else if(s.length()) {
			int trackNum = s.toInt(&ok);
			if(ok)
				AddIntToDictionary(dictionary, Metadata::kTrackNumberKey, trackNum);
		}
	}

	// Extract disc number and total discs
	frameList = tag->frameListMap()["TPOS"];
	if(!frameList.isEmpty()) {
		// Split the tracks at '/'
		TagLib::String s = frameList.front()->toString();

		bool ok;
		size_t pos = s.find("/", 0);
		if(TagLib::String::npos() != pos) {
			int discNum = s.substr(0, pos).toInt(&ok);
			if(ok)
				AddIntToDictionary(dictionary, Metadata::kDiscNumberKey, discNum);

			int discTotal = s.substr(pos + 1).toInt(&ok);
			if(ok)
				AddIntToDictionary(dictionary, Metadata::kDiscTotalKey, discTotal);
		}
		else if(s.length()) {
			int discNum = s.toInt(&ok);
			if(ok)
				AddIntToDictionary(dictionary, Metadata::kDiscNumberKey, discNum);
		}
	}

	// Lyrics
	frameList = tag->frameListMap()["USLT"];
	if(!frameList.isEmpty())
		TagLib::AddStringToCFDictionary(dictionary, Metadata::kLyricsKey, frameList.front()->toString());

	// Extract compilation if present (iTunes TCMP tag)
	frameList = tag->frameListMap()["TCMP"];
	if(!frameList.isEmpty())
		// It seems that the presence of this frame indicates a compilation
		CFDictionarySetValue(dictionary, Metadata::kCompilationKey, kCFBooleanTrue);

	frameList = tag->frameListMap()["TSRC"];
	if(!frameList.isEmpty())
		TagLib::AddStringToCFDictionary(dictionary, Metadata::kISRCKey, frameList.front()->toString());

	// MusicBrainz
	auto musicBrainzReleaseIDFrame = TagLib::ID3v2::UserTextIdentificationFrame::find(const_cast<TagLib::ID3v2::Tag *>(tag), "MusicBrainz Album Id");
	if(musicBrainzReleaseIDFrame)
		TagLib::AddStringToCFDictionary(dictionary, Metadata::kMusicBrainzReleaseIDKey, musicBrainzReleaseIDFrame->fieldList().back());

	auto musicBrainzRecordingIDFrame = TagLib::ID3v2::UserTextIdentificationFrame::find(const_cast<TagLib::ID3v2::Tag *>(tag), "MusicBrainz Track Id");
	if(musicBrainzRecordingIDFrame)
		TagLib::AddStringToCFDictionary(dictionary, Metadata::kMusicBrainzRecordingIDKey, musicBrainzRecordingIDFrame->fieldList().back());

	// Sorting and grouping
	frameList = tag->frameListMap()["TSOT"];
	if(!frameList.isEmpty())
		TagLib::AddStringToCFDictionary(dictionary, Metadata::kTitleSortOrderKey, frameList.front()->toString());

	frameList = tag->frameListMap()["TSOA"];
	if(!frameList.isEmpty())
		TagLib::AddStringToCFDictionary(dictionary, Metadata::kAlbumTitleSortOrderKey, frameList.front()->toString());

	frameList = tag->frameListMap()["TSOP"];
	if(!frameList.isEmpty())
		TagLib::AddStringToCFDictionary(dictionary, Metadata::kArtistSortOrderKey, frameList.front()->toString());

	frameList = tag->frameListMap()["TSO2"];
	if(!frameList.isEmpty())
		TagLib::AddStringToCFDictionary(dictionary, Metadata::kAlbumArtistSortOrderKey, frameList.front()->toString());

	frameList = tag->frameListMap()["TSOC"];
	if(!frameList.isEmpty())
		TagLib::AddStringToCFDictionary(dictionary, Metadata::kComposerSortOrderKey, frameList.front()->toString());

	frameList = tag->frameListMap()["TIT1"];
	if(!frameList.isEmpty())
		TagLib::AddStringToCFDictionary(dictionary, Metadata::kGroupingKey, frameList.front()->toString());

	// ReplayGain
	bool foundReplayGain = false;

	// Preference is TXXX frames, RVA2 frame, then LAME header
	auto trackGainFrame = TagLib::ID3v2::UserTextIdentificationFrame::find(const_cast<TagLib::ID3v2::Tag *>(tag), "REPLAYGAIN_TRACK_GAIN");
	auto trackPeakFrame = TagLib::ID3v2::UserTextIdentificationFrame::find(const_cast<TagLib::ID3v2::Tag *>(tag), "REPLAYGAIN_TRACK_PEAK");
	auto albumGainFrame = TagLib::ID3v2::UserTextIdentificationFrame::find(const_cast<TagLib::ID3v2::Tag *>(tag), "REPLAYGAIN_ALBUM_GAIN");
	auto albumPeakFrame = TagLib::ID3v2::UserTextIdentificationFrame::find(const_cast<TagLib::ID3v2::Tag *>(tag), "REPLAYGAIN_ALBUM_PEAK");

	if(!trackGainFrame)
		trackGainFrame = TagLib::ID3v2::UserTextIdentificationFrame::find(const_cast<TagLib::ID3v2::Tag *>(tag), "replaygain_track_gain");
	if(trackGainFrame) {
		SFB::CFString str(trackGainFrame->fieldList().back().toCString(true), kCFStringEncodingUTF8);
		double num = CFStringGetDoubleValue(str);

		AddDoubleToDictionary(dictionary, Metadata::kTrackGainKey, num);
		AddDoubleToDictionary(dictionary, Metadata::kReferenceLoudnessKey, 89.0);

		foundReplayGain = true;
	}

	if(!trackPeakFrame)
		trackPeakFrame = TagLib::ID3v2::UserTextIdentificationFrame::find(const_cast<TagLib::ID3v2::Tag *>(tag), "replaygain_track_peak");
	if(trackPeakFrame) {
		SFB::CFString str(trackPeakFrame->fieldList().back().toCString(true), kCFStringEncodingUTF8);
		double num = CFStringGetDoubleValue(str);

		AddDoubleToDictionary(dictionary, Metadata::kTrackPeakKey, num);
	}

	if(!albumGainFrame)
		albumGainFrame = TagLib::ID3v2::UserTextIdentificationFrame::find(const_cast<TagLib::ID3v2::Tag *>(tag), "replaygain_album_gain");
	if(albumGainFrame) {
		SFB::CFString str(albumGainFrame->fieldList().back().toCString(true), kCFStringEncodingUTF8);
		double num = CFStringGetDoubleValue(str);

		AddDoubleToDictionary(dictionary, Metadata::kAlbumGainKey, num);
		AddDoubleToDictionary(dictionary, Metadata::kReferenceLoudnessKey, 89.0);

		foundReplayGain = true;
	}

	if(!albumPeakFrame)
		albumPeakFrame = TagLib::ID3v2::UserTextIdentificationFrame::find(const_cast<TagLib::ID3v2::Tag *>(tag), "replaygain_album_peak");
	if(albumPeakFrame) {
		SFB::CFString str(albumPeakFrame->fieldList().back().toCString(true), kCFStringEncodingUTF8);
		double num = CFStringGetDoubleValue(str);

		AddDoubleToDictionary(dictionary, Metadata::kAlbumPeakKey, num);
	}

	// If nothing found check for RVA2 frame
	if(!foundReplayGain) {
		frameList = tag->frameListMap()["RVA2"];

		for(auto frameIterator : tag->frameListMap()["RVA2"]) {
			TagLib::ID3v2::RelativeVolumeFrame *relativeVolume = dynamic_cast<TagLib::ID3v2::RelativeVolumeFrame *>(frameIterator);
			if(!relativeVolume)
				continue;

			// Attempt to use the master volume if present
			auto channels		= relativeVolume->channels();
			auto channelType	= TagLib::ID3v2::RelativeVolumeFrame::MasterVolume;

			// Fall back on whatever else exists in the frame
			if(!channels.contains(TagLib::ID3v2::RelativeVolumeFrame::MasterVolume))
				channelType = channels.front();

			float volumeAdjustment = relativeVolume->volumeAdjustment(channelType);

			if(TagLib::String("track", TagLib::String::Latin1) == relativeVolume->identification()) {
				if((int)volumeAdjustment)
					AddFloatToDictionary(dictionary, Metadata::kTrackGainKey, volumeAdjustment);
			}
			else if(TagLib::String("album", TagLib::String::Latin1) == relativeVolume->identification()) {
				if((int)volumeAdjustment)
					AddFloatToDictionary(dictionary, Metadata::kAlbumGainKey, volumeAdjustment);
			}
			// Fall back to track gain if identification is not specified
			else {
				if((int)volumeAdjustment)
					AddFloatToDictionary(dictionary, Metadata::kTrackGainKey, volumeAdjustment);
			}
		}
	}

	// Extract album art if present
	for(auto it : tag->frameListMap()["APIC"]) {
		TagLib::ID3v2::AttachedPictureFrame *frame = dynamic_cast<TagLib::ID3v2::AttachedPictureFrame *>(it);
		if(frame) {
			SFB::CFData data((const UInt8 *)frame->picture().data(), (CFIndex)frame->picture().size());

			SFB::CFString description;
			if(!frame->description().isEmpty())
				description = CFString(frame->description().toCString(true), kCFStringEncodingUTF8);

			attachedPictures.push_back(std::make_shared<AttachedPicture>(data, (AttachedPicture::Type)frame->type(), description));
		}
	}

	return true;
}
Пример #4
0
bool SFB::Audio::MODMetadata::_ReadMetadata(CFErrorRef *error)
{
	UInt8 buf [PATH_MAX];
	if(!CFURLGetFileSystemRepresentation(mURL, false, buf, PATH_MAX))
		return false;

	SFB::CFString pathExtension = CFURLCopyPathExtension(mURL);
	if(!pathExtension)
		return false;

	bool fileIsValid = false;
	if(kCFCompareEqualTo == CFStringCompare(pathExtension, CFSTR("it"), kCFCompareCaseInsensitive)) {
		std::unique_ptr<TagLib::FileStream> stream(new TagLib::FileStream((const char *)buf, true));
		if(!stream->isOpen()) {
			if(error) {
				SFB::CFString description = CFCopyLocalizedString(CFSTR("The file “%@” could not be opened for reading."), "");
				SFB::CFString failureReason = CFCopyLocalizedString(CFSTR("Input/output error"), "");
				SFB::CFString recoverySuggestion = CFCopyLocalizedString(CFSTR("The file may have been renamed, moved, deleted, or you may not have appropriate permissions."), "");

				*error = CreateErrorForURL(Metadata::ErrorDomain, Metadata::InputOutputError, description, mURL, failureReason, recoverySuggestion);
			}

			return false;
		}

		TagLib::IT::File file(stream.get());
		if(file.isValid()) {
			fileIsValid = true;
			CFDictionarySetValue(mMetadata, kFormatNameKey, CFSTR("MOD (Impulse Tracker)"));

			if(file.audioProperties())
				AddAudioPropertiesToDictionary(mMetadata, file.audioProperties());

			if(file.tag())
				AddTagToDictionary(mMetadata, file.tag());
		}
	}
	else if(kCFCompareEqualTo == CFStringCompare(pathExtension, CFSTR("xm"), kCFCompareCaseInsensitive)) {
		std::unique_ptr<TagLib::FileStream> stream(new TagLib::FileStream((const char *)buf, true));
		if(!stream->isOpen()) {
			if(error) {
				SFB::CFString description = CFCopyLocalizedString(CFSTR("The file “%@” could not be opened for reading."), "");
				SFB::CFString failureReason = CFCopyLocalizedString(CFSTR("Input/output error"), "");
				SFB::CFString recoverySuggestion = CFCopyLocalizedString(CFSTR("The file may have been renamed, moved, deleted, or you may not have appropriate permissions."), "");

				*error = CreateErrorForURL(Metadata::ErrorDomain, Metadata::InputOutputError, description, mURL, failureReason, recoverySuggestion);
			}

			return false;
		}

		TagLib::XM::File file(stream.get());
		if(file.isValid()) {
			fileIsValid = true;
			CFDictionarySetValue(mMetadata, kFormatNameKey, CFSTR("MOD (Extended Module)"));

			if(file.audioProperties())
				AddAudioPropertiesToDictionary(mMetadata, file.audioProperties());

			if(file.tag())
				AddTagToDictionary(mMetadata, file.tag());
		}
	}
	else if(kCFCompareEqualTo == CFStringCompare(pathExtension, CFSTR("s3m"), kCFCompareCaseInsensitive)) {
		std::unique_ptr<TagLib::FileStream> stream(new TagLib::FileStream((const char *)buf, true));
		if(!stream->isOpen()) {
			if(error) {
				SFB::CFString description = CFCopyLocalizedString(CFSTR("The file “%@” could not be opened for reading."), "");
				SFB::CFString failureReason = CFCopyLocalizedString(CFSTR("Input/output error"), "");
				SFB::CFString recoverySuggestion = CFCopyLocalizedString(CFSTR("The file may have been renamed, moved, deleted, or you may not have appropriate permissions."), "");

				*error = CreateErrorForURL(Metadata::ErrorDomain, Metadata::InputOutputError, description, mURL, failureReason, recoverySuggestion);
			}

			return false;
		}

		TagLib::S3M::File file(stream.get());
		if(file.isValid()) {
			fileIsValid = true;
			CFDictionarySetValue(mMetadata, kFormatNameKey, CFSTR("MOD (ScreamTracker III)"));

			if(file.audioProperties())
				AddAudioPropertiesToDictionary(mMetadata, file.audioProperties());

			if(file.tag())
				AddTagToDictionary(mMetadata, file.tag());
		}
	}
	else if(kCFCompareEqualTo == CFStringCompare(pathExtension, CFSTR("mod"), kCFCompareCaseInsensitive)) {
		std::unique_ptr<TagLib::FileStream> stream(new TagLib::FileStream((const char *)buf, true));
		if(!stream->isOpen()) {
			if(error) {
				SFB::CFString description = CFCopyLocalizedString(CFSTR("The file “%@” could not be opened for reading."), "");
				SFB::CFString failureReason = CFCopyLocalizedString(CFSTR("Input/output error"), "");
				SFB::CFString recoverySuggestion = CFCopyLocalizedString(CFSTR("The file may have been renamed, moved, deleted, or you may not have appropriate permissions."), "");

				*error = CreateErrorForURL(Metadata::ErrorDomain, Metadata::InputOutputError, description, mURL, failureReason, recoverySuggestion);
			}

			return false;
		}

		TagLib::Mod::File file(stream.get());
		if(file.isValid()) {
			fileIsValid = true;
			CFDictionarySetValue(mMetadata, kFormatNameKey, CFSTR("MOD (Protracker)"));

			if(file.audioProperties())
				AddAudioPropertiesToDictionary(mMetadata, file.audioProperties());

			if(file.tag())
				AddTagToDictionary(mMetadata, file.tag());
		}
	}

	if(!fileIsValid) {
		if(error) {
			SFB::CFString description = CFCopyLocalizedString(CFSTR("The file “%@” is not a valid MOD file."), "");
			SFB::CFString failureReason = CFCopyLocalizedString(CFSTR("Not a MOD file"), "");
			SFB::CFString recoverySuggestion = CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), "");
			
			*error = CreateErrorForURL(Metadata::ErrorDomain, Metadata::InputOutputError, description, mURL, failureReason, recoverySuggestion);
		}
		
		return false;
	}

	return true;
}
bool WAVEMetadata::ReadMetadata(CFErrorRef *error)
{
    // Start from scratch
    CFDictionaryRemoveAllValues(mMetadata);
    CFDictionaryRemoveAllValues(mChangedMetadata);

    UInt8 buf [PATH_MAX];
    if(!CFURLGetFileSystemRepresentation(mURL, false, buf, PATH_MAX))
        return false;

    // TODO: Use unique_ptr once the switch to C++11 STL is made
    std::auto_ptr<TagLib::FileStream> stream(new TagLib::FileStream(reinterpret_cast<const char *>(buf), true));
    if(!stream->isOpen()) {
        if(error) {
            CFStringRef description = CFCopyLocalizedString(CFSTR("The file “%@” could not be opened for reading."), "");
            CFStringRef failureReason = CFCopyLocalizedString(CFSTR("Input/output error"), "");
            CFStringRef recoverySuggestion = CFCopyLocalizedString(CFSTR("The file may have been renamed, moved, deleted, or you may not have appropriate permissions."), "");

            *error = CreateErrorForURL(AudioMetadataErrorDomain, AudioMetadataInputOutputError, description, mURL, failureReason, recoverySuggestion);

            CFRelease(description), description = nullptr;
            CFRelease(failureReason), failureReason = nullptr;
            CFRelease(recoverySuggestion), recoverySuggestion = nullptr;
        }

        return false;
    }

    TagLib::RIFF::WAV::File file(stream.get());
    if(!file.isValid()) {
        if(nullptr != error) {
            CFStringRef description = CFCopyLocalizedString(CFSTR("The file “%@” is not a valid WAVE file."), "");
            CFStringRef failureReason = CFCopyLocalizedString(CFSTR("Not a WAVE 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;
    }

    CFDictionarySetValue(mMetadata, kPropertiesFormatNameKey, CFSTR("WAVE"));

    if(file.audioProperties()) {
        auto properties = file.audioProperties();
        AddAudioPropertiesToDictionary(mMetadata, properties);

        if(properties->sampleWidth())
            AddIntToDictionary(mMetadata, kPropertiesBitsPerChannelKey, properties->sampleWidth());
        if(properties->sampleFrames())
            AddIntToDictionary(mMetadata, kPropertiesTotalFramesKey, properties->sampleFrames());
    }

    if(file.InfoTag())
        AddTagToDictionary(mMetadata, file.InfoTag());

    if(file.ID3v2Tag()) {
        std::vector<AttachedPicture *> pictures;
        AddID3v2TagToDictionary(mMetadata, pictures, file.ID3v2Tag());
        for(auto picture : pictures)
            AddSavedPicture(picture);
    }

    return true;
}
Пример #6
0
bool MODMetadata::ReadMetadata(CFErrorRef *error)
{
	// Start from scratch
	CFDictionaryRemoveAllValues(mMetadata);
	CFDictionaryRemoveAllValues(mChangedMetadata);
	
	UInt8 buf [PATH_MAX];
	if(!CFURLGetFileSystemRepresentation(mURL, false, buf, PATH_MAX))
		return false;

	CFStringRef pathExtension = CFURLCopyPathExtension(mURL);
	if(nullptr == pathExtension)
		return false;

	bool fileIsValid = false;
	if(kCFCompareEqualTo == CFStringCompare(pathExtension, CFSTR("it"), kCFCompareCaseInsensitive)) {
		auto stream = new TagLib::FileStream(reinterpret_cast<const char *>(buf), true);
		TagLib::IT::File file(stream);

		if(file.isValid()) {
			fileIsValid = true;
			CFDictionarySetValue(mMetadata, kPropertiesFormatNameKey, CFSTR("MOD (Impulse Tracker)"));

			if(file.audioProperties())
				AddAudioPropertiesToDictionary(mMetadata, file.audioProperties());

			if(file.tag())
				AddTagToDictionary(mMetadata, file.tag());
		}
	}
	else if(kCFCompareEqualTo == CFStringCompare(pathExtension, CFSTR("xm"), kCFCompareCaseInsensitive)) {
		auto stream = new TagLib::FileStream(reinterpret_cast<const char *>(buf), true);
		TagLib::XM::File file(stream);

		if(file.isValid()) {
			fileIsValid = true;
			CFDictionarySetValue(mMetadata, kPropertiesFormatNameKey, CFSTR("MOD (Extended Module)"));

			if(file.audioProperties())
				AddAudioPropertiesToDictionary(mMetadata, file.audioProperties());

			if(file.tag())
				AddTagToDictionary(mMetadata, file.tag());
		}
	}
	else if(kCFCompareEqualTo == CFStringCompare(pathExtension, CFSTR("s3m"), kCFCompareCaseInsensitive)) {
		auto stream = new TagLib::FileStream(reinterpret_cast<const char *>(buf), true);
		TagLib::S3M::File file(stream);

		if(file.isValid()) {
			fileIsValid = true;
			CFDictionarySetValue(mMetadata, kPropertiesFormatNameKey, CFSTR("MOD (ScreamTracker III)"));

			if(file.audioProperties())
				AddAudioPropertiesToDictionary(mMetadata, file.audioProperties());

			if(file.tag())
				AddTagToDictionary(mMetadata, file.tag());
		}
	}
	else if(kCFCompareEqualTo == CFStringCompare(pathExtension, CFSTR("mod"), kCFCompareCaseInsensitive)) {
		auto stream = new TagLib::FileStream(reinterpret_cast<const char *>(buf), true);
		TagLib::Mod::File file(stream);

		if(file.isValid()) {
			fileIsValid = true;
			CFDictionarySetValue(mMetadata, kPropertiesFormatNameKey, CFSTR("MOD (Protracker)"));

			if(file.audioProperties())
				AddAudioPropertiesToDictionary(mMetadata, file.audioProperties());

			if(file.tag())
				AddTagToDictionary(mMetadata, file.tag());
		}
	}

	CFRelease(pathExtension), pathExtension = nullptr;

	if(!fileIsValid) {
		if(error) {
			CFStringRef description = CFCopyLocalizedString(CFSTR("The file “%@” is not a valid MOD file."), "");
			CFStringRef failureReason = CFCopyLocalizedString(CFSTR("Not a MOD 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;
	}

	return true;
}
Пример #7
0
bool MusepackMetadata::ReadMetadata(CFErrorRef *error)
{
	// Start from scratch
	CFDictionaryRemoveAllValues(mMetadata);
	CFDictionaryRemoveAllValues(mChangedMetadata);
	
	UInt8 buf [PATH_MAX];
	if(!CFURLGetFileSystemRepresentation(mURL, false, buf, PATH_MAX))
		return false;
	
	TagLib::IOStream *stream = new TagLib::FileStream(reinterpret_cast<const char *>(buf), true);
	TagLib::MPC::File file(stream);
	
	if(!file.isValid()) {
		if(NULL != error) {
			CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault, 
																			   0,
																			   &kCFTypeDictionaryKeyCallBacks,
																			   &kCFTypeDictionaryValueCallBacks);
			
			CFStringRef displayName = CreateDisplayNameForURL(mURL);
			CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault, 
															   NULL, 
															   CFCopyLocalizedString(CFSTR("The file “%@” is not a valid Musepack file."), ""), 
															   displayName);
			
			CFDictionarySetValue(errorDictionary, 
								 kCFErrorLocalizedDescriptionKey, 
								 errorString);
			
			CFDictionarySetValue(errorDictionary, 
								 kCFErrorLocalizedFailureReasonKey, 
								 CFCopyLocalizedString(CFSTR("Not a Musepack file"), ""));
			
			CFDictionarySetValue(errorDictionary, 
								 kCFErrorLocalizedRecoverySuggestionKey, 
								 CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), ""));
			
			CFRelease(errorString), errorString = NULL;
			CFRelease(displayName), displayName = NULL;
			
			*error = CFErrorCreate(kCFAllocatorDefault, 
								   AudioMetadataErrorDomain, 
								   AudioMetadataInputOutputError, 
								   errorDictionary);
			
			CFRelease(errorDictionary), errorDictionary = NULL;				
		}
		
		return false;
	}

	CFDictionarySetValue(mMetadata, kPropertiesFormatNameKey, CFSTR("Musepack"));

	if(file.audioProperties())
		AddAudioPropertiesToDictionary(mMetadata, file.audioProperties());

	if(file.tag())
		AddTagToDictionary(mMetadata, file.tag());

	return true;
}