/*
** Write cover data to file.
**
*/
bool CCover::WriteCover(const TagLib::ByteVector& data, const std::wstring& target)
{
bool written = false;
FILE* f = _wfopen(target.c_str(), L"wb");
if (f)
{
written = (fwrite(data.data(), 1, data.size(), f) == data.size());
fclose(f);
}
return written;
}
void
CloudStream::FillCache( int start, TagLib::ByteVector data )
{
for ( int i = 0; i < data.size(); ++i )
{
m_cache.set( start + i, data[i] );
}
}
bool writeFileFromVector(const char *path, const TagLib::ByteVector &v) {
std::ofstream o(path, std::ofstream::binary);
if (!o) {
return false;
}
o.write(v.data(), v.size());
return true;
}
TagLib::ByteVector CloudStream::readBlock(ulong length) {
const uint start = cursor_;
const uint end = qMin(cursor_ + length - 1, length_ - 1);
if (end < start) {
return TagLib::ByteVector();
}
if (CheckCache(start, end)) {
TagLib::ByteVector cached = GetCached(start, end);
cursor_ += cached.size();
return cached;
}
QNetworkRequest request = QNetworkRequest(url_);
if (!auth_.isEmpty()) {
request.setRawHeader("Authorization", auth_.toUtf8());
}
request.setRawHeader("Range",
QString("bytes=%1-%2").arg(start).arg(end).toUtf8());
request.setAttribute(QNetworkRequest::CacheLoadControlAttribute,
QNetworkRequest::AlwaysNetwork);
// The Ubuntu One server applies the byte range to the gzipped data, rather
// than the raw data so we must disable compression.
if (url_.host() == "files.one.ubuntu.com") {
request.setRawHeader("Accept-Encoding", "identity");
}
QNetworkReply* reply = network_->get(request);
connect(reply, SIGNAL(sslErrors(QList<QSslError>)),
SLOT(SSLErrors(QList<QSslError>)));
++num_requests_;
QEventLoop loop;
QObject::connect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
loop.exec();
reply->deleteLater();
int code = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (code >= 400) {
qLog(Debug) << "Error retrieving url to tag:" << url_;
return TagLib::ByteVector();
}
QByteArray data = reply->readAll();
TagLib::ByteVector bytes(data.data(), data.size());
cursor_ += data.size();
FillCache(start, bytes);
return bytes;
}
QString extractMBIDFromFile(TagLib::MPEG::File *file)
{
TagLib::ID3v2::Tag *tag = file->ID3v2Tag();
TagLib::ID3v2::FrameList ufid = tag->frameListMap()["UFID"];
if (!ufid.isEmpty()) {
for (TagLib::ID3v2::FrameList::Iterator i = ufid.begin(); i != ufid.end(); i++) {
TagLib::ID3v2::UniqueFileIdentifierFrame *frame = dynamic_cast<TagLib::ID3v2::UniqueFileIdentifierFrame *>(*i);
if (frame && frame->owner() == "http://musicbrainz.org") {
TagLib::ByteVector id = frame->identifier();
return QString::fromAscii(id.data(), id.size());
}
}
}
return QString();
}
TagLib::ByteVector CloudStream::readBlock(ulong length) {
const uint start = cursor_;
const uint end = qMin(cursor_ + length - 1, length_ - 1);
if (end < start) {
return TagLib::ByteVector();
}
if (CheckCache(start, end)) {
TagLib::ByteVector cached = GetCached(start, end);
cursor_ += cached.size();
return cached;
}
QNetworkRequest request = QNetworkRequest(url_);
foreach (const QString& key, headers_) {
request.setRawHeader(key.toLatin1(), headers_[key].toUtf8());
}
// NOTE: representation is taken to be a binary value with units in the first column,
// 1/2 in the second and so on.
static qreal readRVA2PeakValue( const TagLib::ByteVector &data, int bits, bool *ok )
{
qreal peak = 0.0;
// discarding digits at the end reduces precision, but doesn't otherwise change the value
if ( bits > 32 )
bits = 32;
// the +7 makes sure we round up when we divide by 8
unsigned int bytes = (bits + 7) / 8;
// normalize appears not to write a peak at all, and hence sets bits to 0
if ( bits == 0 )
{
if ( ok )
*ok = true;
}
else if ( bits >= 4 && data.size() >= bytes ) // fewer than 4 bits would just be daft
{
// excessBits is the number of bits we have to discard at the end
unsigned int excessBits = (8 * bytes) - bits;
// mask has 1s everywhere but the last /excessBits/ bits
quint32 mask = 0xffffffff << excessBits;
quint32 rawValue = 0;
for ( unsigned int i = 0; i < bytes; ++i )
{
rawValue <<= 8;
rawValue += (unsigned char)data[i];
}
rawValue &= mask;
peak = rawValue;
// amount we need to "shift" the value right to make the first digit the unit column
unsigned int rightShift = (8 * bytes) - 1;
peak /= (qreal)(1 << rightShift);
if ( ok )
*ok = true;
}
else
{
if ( ok )
*ok = false;
}
return peak;
}
bool CoverUtils::coverFromXiphComment(TagLib::Ogg::XiphComment *xiphComment, Album *album) {
if (!xiphComment) return false;
const TagLib::StringList &stringList = xiphComment->fieldListMap()["COVERART"];
if (stringList.isEmpty()) return false;
TagLib::ByteVector byteVector = stringList.front().data(TagLib::String::Latin1);
QByteArray encodedData;
encodedData.setRawData(byteVector.data(), byteVector.size());
QByteArray data = QByteArray::fromBase64(encodedData);
QImage image;
image.loadFromData(data);
if (!isAcceptableImage(image)) return false;
qDebug() << "Cover from Xiph!";
return saveImage(image, album);
}
TagLib::ByteVector TagLib::DecodeBase64(const TagLib::ByteVector& input)
{
SFB::CFError error;
SFB::SecTransform decoder(SecDecodeTransformCreate(kSecBase64Encoding, &error));
if(!decoder) {
LOGGER_WARNING("org.sbooth.AudioEngine", "SecDecodeTransformCreate failed: " << error);
return {};
}
SFB::CFData sourceData(CFDataCreateWithBytesNoCopy(kCFAllocatorDefault, (const UInt8 *)input.data(), (CFIndex)input.size(), kCFAllocatorNull));
if(!sourceData)
return {};
if(!SecTransformSetAttribute(decoder, kSecTransformInputAttributeName, sourceData, &error)) {
LOGGER_WARNING("org.sbooth.AudioEngine", "SecTransformSetAttribute failed: " << error);
return {};
}
SFB::CFData decodedData((CFDataRef)SecTransformExecute(decoder, &error));
if(!decodedData)
return {};
return {(const char *)CFDataGetBytePtr((CFDataRef)decodedData), (size_t)CFDataGetLength((CFDataRef)decodedData)};
}
TagLib::ByteVector TagLib::EncodeBase64(const TagLib::ByteVector& input)
{
ByteVector result;
CFErrorRef error;
SFB::SecTransform encoder = SecEncodeTransformCreate(kSecBase64Encoding, &error);
if(nullptr == encoder) {
LOGGER_WARNING("org.sbooth.AudioEngine", "SecEncodeTransformCreate failed: " << error);
return TagLib::ByteVector::null;
}
SFB::CFData sourceData = CFDataCreateWithBytesNoCopy(kCFAllocatorDefault, (const UInt8 *)input.data(), (CFIndex)input.size(), kCFAllocatorNull);
if(!sourceData)
return TagLib::ByteVector::null;
if(!SecTransformSetAttribute(encoder, kSecTransformInputAttributeName, sourceData, &error)) {
LOGGER_WARNING("org.sbooth.AudioEngine", "SecTransformSetAttribute failed: " << error);
return TagLib::ByteVector::null;
}
SFB::CFData encodedData = (CFDataRef)SecTransformExecute(encoder, &error);
if(!encodedData) {
LOGGER_WARNING("org.sbooth.AudioEngine", "SecTransformExecute failed: " << error);
return TagLib::ByteVector::null;
}
result.setData((const char *)CFDataGetBytePtr((CFDataRef)encodedData), (TagLib::uint)CFDataGetLength((CFDataRef)encodedData));
return result;
}
void MediaScannerThread::run()
{
if (multiPass)
{
qDebug() << "MediaScannerThread: multi non-single pass selected";
multiPass = false;
for (int i=0;i<multiPassFileNames.count();i++)
{
QString fullPath = multiPassFileNames.at(i);
TagLib::FileRef testfile(fullPath.toStdString().c_str());
if (!testfile.isNull())
{
ID3Tag *tmpTag = 0;
if (!tmpTag)
{
tmpTag = new ID3Tag();
tmpTag->valid = false;
}
if (TagLib::MPEG::File *file = dynamic_cast<TagLib::MPEG::File *>( testfile.file()))
{
if (file->ID3v2Tag(false))
{
//Check to see if there are images in the tag
#ifdef Q_OS_WIN32 //Currently this only works in the windows version of taglib??
if (!file->ID3v2Tag()->frameListMap()["APIC"].isEmpty())
{
TagLib::ID3v2::FrameList frameList = file->ID3v2Tag()->frameListMap()["APIC"];
TagLib::ID3v2::FrameList::Iterator iter;
for( iter = frameList.begin(); iter != frameList.end(); ++iter )
{
TagLib::ID3v2::AttachedPictureFrame::Type t = (((TagLib::ID3v2::AttachedPictureFrame*)*iter))->type();
if (t == TagLib::ID3v2::AttachedPictureFrame::Type::FrontCover)
{
TagLib::ByteVector pic = (((TagLib::ID3v2::AttachedPictureFrame*)*iter))->picture();
QImage tmpPicture;
tmpPicture.loadFromData((uchar*)pic.data(),pic.size());
tmpTag->frontcover = tmpPicture;
}
else if (t == TagLib::ID3v2::AttachedPictureFrame::Type::BackCover)
{
TagLib::ByteVector pic = (((TagLib::ID3v2::AttachedPictureFrame*)*iter))->picture();
QImage tmpPicture;
tmpPicture.loadFromData((uchar*)pic.data(),pic.size());
tmpTag->backcover = tmpPicture;
}
}
}
#endif //Q_OS_WIN32
TagLib::Tag *tag = testfile.tag();
if (!tmpTag->valid)
{
tmpTag->artist = tag->artist().toCString();
tmpTag->title = tag->title().toCString();
tmpTag->filename = fullPath;
emit tagReceived("",0,tmpTag);
}
}
}
else
{
TagLib::Tag *tag = testfile.tag();
if (!tmpTag->valid)
{
tmpTag->artist = tag->artist().toCString();
tmpTag->title = tag->title().toCString();
tmpTag->filename = fullPath;
emit tagReceived("",0,tmpTag);
}
}
}
else
{
qDebug() << "MediaScannerThread: Invalid File in multipass" << fullPath;
int stop = 1;
}
QThread::msleep(50);
}
multiPassFileNames.clear();
}
else if (singlePass)
{
qDebug() << "MediaScannerThread: Non-multi single pass selected";
singlePass = false;
QString fullPath = singlePassFileName;
TagLib::FileRef testfile(fullPath.toStdString().c_str());
if (!testfile.isNull())
{
TagLib::Tag *tag = testfile.tag();
//if (tag)
//{
ID3Tag *tmpTag = 0;
if (!tmpTag)
{
tmpTag = new ID3Tag();
tmpTag->valid = false;
}
if (!tmpTag->valid)
{
tmpTag->artist = tag->artist().toCString();
tmpTag->title = tag->title().toCString();
tmpTag->filename = fullPath;
emit tagReceived("",0,tmpTag);
}
//ID3Tag *tmpTag = new ID3Tag();
}
else
{
qDebug() << "MediaScannerThread: Invalid File in singlepass" << fullPath;
}
}
else
{
qDebug() << "MediaScannerThread: Non-multi non-single pass selected";
bool firstScan = true;
int delay=0;
bool anyValid = true;
while (anyValid)
{
anyValid = false;
if (firstScan)
{
delay=0;
//firstScan = false;
}
else
{
delay=20;
}
for (int i=0;i<m_playLists->count();i++)
{
for (int j=0;j<m_playLists->at(i)->size();j++)
{
QString fullPath = m_playLists->at(i)->getFileNum(j)->fullPath();
// qDebug() << fullPath;
TagLib::FileRef testfile(fullPath.toStdString().c_str());
if (!testfile.isNull())
{
ID3Tag *tmpTag = m_playLists->at(i)->getFileNum(j)->getId3Tag();
if (!tmpTag)
{
tmpTag = new ID3Tag();
tmpTag->valid = false;
anyValid = true;
}
if (TagLib::MPEG::File *file = dynamic_cast<TagLib::MPEG::File *>( testfile.file()))
{
if (file->ID3v2Tag(false))
{
//Check to see if there are images in the tag
#ifdef Q_OS_WIN32 //Currently this only works in the windows version of taglib??
if (!file->ID3v2Tag()->frameListMap()["APIC"].isEmpty())
{
TagLib::ID3v2::FrameList frameList = file->ID3v2Tag()->frameListMap()["APIC"];
TagLib::ID3v2::FrameList::Iterator iter;
for( iter = frameList.begin(); iter != frameList.end(); ++iter )
{
TagLib::ID3v2::AttachedPictureFrame::Type t = (((TagLib::ID3v2::AttachedPictureFrame*)*iter))->type();
if (t == TagLib::ID3v2::AttachedPictureFrame::Type::FrontCover)
{
TagLib::ByteVector pic = (((TagLib::ID3v2::AttachedPictureFrame*)*iter))->picture();
QImage tmpPicture;
tmpPicture.loadFromData((uchar*)pic.data(),pic.size());
tmpTag->frontcover = tmpPicture;
}
else if (t == TagLib::ID3v2::AttachedPictureFrame::Type::BackCover)
{
TagLib::ByteVector pic = (((TagLib::ID3v2::AttachedPictureFrame*)*iter))->picture();
QImage tmpPicture;
tmpPicture.loadFromData((uchar*)pic.data(),pic.size());
tmpTag->backcover = tmpPicture;
}
}
}
#endif
TagLib::Tag *tag = testfile.tag();
if (!tmpTag->valid)
{
tmpTag->artist = tag->artist().toCString();
tmpTag->title = tag->title().toCString();
tmpTag->filename = fullPath;
emit tagReceived(m_playLists->at(i)->title(),j,tmpTag);
}
}
}
else
{
TagLib::Tag *tag = testfile.tag();
if (!tmpTag->valid)
{
tmpTag->artist = tag->artist().toCString();
tmpTag->title = tag->title().toCString();
tmpTag->valid = true;
tmpTag->filename = fullPath;
m_playLists->at(i)->setId3(j,tmpTag);
anyValid = true;
emit tagReceived(m_playLists->at(i)->title(),j,tmpTag);
}
else
{
if (tmpTag->filename != fullPath)
{
tmpTag->artist = tag->artist().toCString();
tmpTag->title = tag->title().toCString();
tmpTag->filename = fullPath;
tmpTag->valid = true;
m_playLists->at(i)->setId3(j,tmpTag);
anyValid = true;
emit tagReceived(m_playLists->at(i)->title(),j,tmpTag);
}
}
}
//ID3Tag *tmpTag = new ID3Tag();
}
else
{
qDebug() << "MediaScannerThread: Invalid File in standardpass" << fullPath;
}
QThread::msleep(delay);
}
}
if (firstScan)
{
firstScan = false;
qDebug() << "Initial scan of id3 tags completed. ";
if (anyValid)
{
qDebug() << "Moving to background mode...";
}
else
{
qDebug() << "All files scanned, exiting thread";
}
}
else
{
qDebug() << "Secondary id3 scan complete... continuing...";
}
}
}
/*
int done = 1;
return;
QFile tmpFile("music.conf");
if (!tmpFile.open(QIODevice::ReadOnly | QIODevice::Text))
{
printf("Error opening configuration file!!!\n");
return;
}
QString musicDir(tmpFile.readLine());
printf("Music Directory from configuration file: %s\n",musicDir.toStdString().c_str());
tmpFile.close();
musicDir = musicDir.mid(0,musicDir.length()-1);
QDir tmpDir(musicDir);
tmpDir.setFilter(QDir::Dirs | QDir::NoDotAndDotDot);
QDir tmpFiles(musicDir);
tmpFiles.setFilter(QDir::Files | QDir::NoDotAndDotDot);
QStringList infoList = tmpDir.entryList();
foreach (QString info,infoList)
{
TagLib::FileRef testfile(info.toStdString().c_str());
TagLib::Tag *tag = testfile.tag();
ID3Tag *tmpTag = new ID3Tag();
tmpTag->artist = tag->artist().to8Bit().c_str();
tmpTag->title = tag->title().to8Bit().c_str();
//emit tagReceived(tmpTag);
}
bool inLoop = true;
//while (inLoop)
//{
//QThread::
// QThread::sleep(1);
// ID3Tag *tmpTag = new ID3Tag();
//tmpTag->artist =
//}
*/
}
TagLib::ByteVector TagLib::DecodeBase64(const TagLib::ByteVector& input)
{
#if USE_SECURITY_FRAMEWORK
ByteVector result;
CFErrorRef error;
SecTransformRef decoder = SecDecodeTransformCreate(kSecBase64Encoding, &error);
if(nullptr == decoder) {
CFShow(error);
return TagLib::ByteVector::null;
}
CFDataRef sourceData = CFDataCreateWithBytesNoCopy(kCFAllocatorDefault, (const UInt8 *)input.data(), input.size(), kCFAllocatorNull);
if(nullptr == sourceData) {
CFRelease(decoder), decoder = nullptr;
return TagLib::ByteVector::null;
}
if(!SecTransformSetAttribute(decoder, kSecTransformInputAttributeName, sourceData, &error)) {
CFShow(error);
CFRelease(sourceData), sourceData = nullptr;
CFRelease(decoder), decoder = nullptr;
return TagLib::ByteVector::null;
}
CFTypeRef decodedData = SecTransformExecute(decoder, &error);
if(nullptr == decodedData) {
CFShow(error);
CFRelease(sourceData), sourceData = nullptr;
CFRelease(decoder), decoder = nullptr;
return TagLib::ByteVector::null;
}
result.setData((const char *)CFDataGetBytePtr((CFDataRef)decodedData), (TagLib::uint)CFDataGetLength((CFDataRef)decodedData));
CFRelease(decodedData), decodedData = nullptr;
CFRelease(sourceData), sourceData = nullptr;
CFRelease(decoder), decoder = nullptr;
return result;
#else
ByteVector result;
BIO *b64 = BIO_new(BIO_f_base64());
BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
BIO *bio = BIO_new_mem_buf(reinterpret_cast<void *>(const_cast<char *>(input.data())), input.size());
bio = BIO_push(b64, bio);
char inbuf [512];
int inlen;
while(0 < (inlen = BIO_read(bio, inbuf, 512)))
result.append(ByteVector(inbuf, inlen));
BIO_free_all(bio);
return result;
#endif
}
TagLib::ByteVector TagLib::EncodeBase64(const TagLib::ByteVector& input)
{
#if USE_SECURITY_FRAMEWORK
ByteVector result;
CFErrorRef error;
SecTransformRef encoder = SecEncodeTransformCreate(kSecBase64Encoding, &error);
if(nullptr == encoder) {
CFShow(error);
return TagLib::ByteVector::null;
}
CFDataRef sourceData = CFDataCreateWithBytesNoCopy(kCFAllocatorDefault, (const UInt8 *)input.data(), input.size(), kCFAllocatorNull);
if(nullptr == sourceData) {
CFRelease(encoder), encoder = nullptr;
return TagLib::ByteVector::null;
}
if(!SecTransformSetAttribute(encoder, kSecTransformInputAttributeName, sourceData, &error)) {
CFShow(error);
CFRelease(sourceData), sourceData = nullptr;
CFRelease(encoder), encoder = nullptr;
return TagLib::ByteVector::null;
}
CFTypeRef encodedData = SecTransformExecute(encoder, &error);
if(nullptr == encodedData) {
CFShow(error);
CFRelease(sourceData), sourceData = nullptr;
CFRelease(encoder), encoder = nullptr;
return TagLib::ByteVector::null;
}
result.setData((const char *)CFDataGetBytePtr((CFDataRef)encodedData), (TagLib::uint)CFDataGetLength((CFDataRef)encodedData));
CFRelease(encodedData), encodedData = nullptr;
CFRelease(sourceData), sourceData = nullptr;
CFRelease(encoder), encoder = nullptr;
return result;
#else
ByteVector result;
BIO *b64 = BIO_new(BIO_f_base64());
BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
BIO *bio = BIO_new(BIO_s_mem());
bio = BIO_push(b64, bio);
BIO_write(bio, input.data(), input.size());
(void)BIO_flush(bio);
void *mem = nullptr;
long size = BIO_get_mem_data(bio, &mem);
if(0 < size)
result.setData(static_cast<const char *>(mem), static_cast<uint>(size));
BIO_free_all(bio);
return result;
#endif
}
TagLib::ByteVector
CloudStream::readBlock( ulong length )
{
const uint start = m_cursor;
const uint end = qMin( m_cursor + length - 1, m_length - 1 );
//tDebug( LOGINFO ) << "#### CloudStream : parsing from " << m_url.toString();
//tDebug( LOGINFO ) << "#### CloudStream : parsing from (encoded) " << m_url.toEncoded().constData();
if ( end < start )
{
return TagLib::ByteVector();
}
if ( CheckCache( start, end ) )
{
TagLib::ByteVector cached = GetCached( start, end );
m_cursor += cached.size();
return cached;
}
if ( m_num_requests_in_error > MAX_ALLOW_ERROR_QUERY )
{
//precache();
return TagLib::ByteVector();
}
if ( m_refreshUrlEachTime )
{
if( !refreshStreamUrl() )
{
tDebug( LOGINFO ) << "#### CloudStream : cannot refresh streamUrl for " << m_filename;
}
}
QNetworkRequest request = QNetworkRequest( m_url );
//setings of specials OAuth (1 or 2) headers
foreach ( const QString& headerName, m_headers.keys() )
{
request.setRawHeader( headerName.toLocal8Bit(), m_headers[headerName].toString().toLocal8Bit() );
}
request.setRawHeader( "Range", QString( "bytes=%1-%2" ).arg( start ).arg( end ).toUtf8() );
request.setAttribute( QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::AlwaysNetwork );
// The Ubuntu One server applies the byte range to the gzipped data, rather
// than the raw data so we must disable compression.
if ( m_url.host() == "files.one.ubuntu.com" )
{
request.setRawHeader( "Accept-Encoding", "identity" );
}
tDebug() << "######## CloudStream : HTTP request : ";
tDebug() << "#### CloudStream : url : " << request.url();
m_currentBlocklength = length;
m_currentStart = start;
m_reply = m_network->get( request );
connect( m_reply, SIGNAL( sslErrors( QList<QSslError> ) ), SLOT( SSLErrors( QList<QSslError> ) ) );
connect( m_reply, SIGNAL( finished() ), this, SLOT( onRequestFinished() ) );
++m_num_requests;
return TagLib::ByteVector();
}
virtual TagLib::String parse( const TagLib::ByteVector &data ) const
{
return QStringToTString( m_codec->toUnicode( data.data(), data.size() ) );
}
void DSFHeader::parse(const TagLib::ByteVector &data)
{
if (data.size() < DSD_HEADER_SIZE + FMT_HEADER_SIZE) {
std::cerr <<"DSFHeader::parse(): header size incorrect" << std::endl;
return;
}
const char *hdr = data.data();
size_t offset = 0;
//
// ******** DSD chunk header ********
// DSD header chunk should start with "DSD ".
//
if (hdr[0] != 'D' || hdr[1] != 'S' || hdr[2] != 'D' || hdr[3] != ' ')
{
std::cerr <<"DSD::Header::parse(): DSD header's first 4 bytes != 'DSD '" << std::endl;
return;
}
offset += 4;
// The next 8 bytes contain the size of DSD header
// (numerical data is stored in little endian)
if (data.toLongLong(offset, false) != DSD_HEADER_SIZE)
{
std::cerr <<"DSD::Header::parse(): DSD header size is incorrect" << std::endl;
return;
}
offset += LONG_INT_SIZE;
// The next 8 bytes contains the file size
d->fileSize = bytesToUInt64(&hdr[0], offset);
offset += LONG_INT_SIZE;
// The next 8 bytes contains the offset to id3v2 tag (0 if not exists)
d->ID3v2Offset = bytesToUInt64(&hdr[0], offset);
offset += LONG_INT_SIZE;
//
// ********* FMT chunk ********
//
// FMT header chunk should start with "fmt ".
//
if (hdr[offset] != 'f' || hdr[offset + 1] != 'm' ||
hdr[offset + 2] != 't' || hdr[offset + 3] != ' ')
{
std::cerr <<"DSD::Header::parse(): FMT header's first 4 bytes != 'fmt '" << std::endl;
return;
}
offset += 4;
// The next 8 bytes contain the size of FMT header, which should be 52
if (data.toLongLong(offset, false) != FMT_HEADER_SIZE)
{
std::cerr <<"DSD::Header::parse(): FMT header size is incorrect" << std::endl;
return;
}
offset += LONG_INT_SIZE;
// Format version
// There's only version 1 for now...
unsigned int ver = data.toUInt(offset, false);
if (ver != 1) {
std::cerr <<"DSD::Header::parse(): format version != 1" << std::endl;
return;
}
d->version = static_cast<Version>(ver);
offset += INT_SIZE;
// Format ID
if (data.toUInt(offset, false) != 0) {
std::cerr <<"DSD::Header::parse(): format ID != 0" << std::endl;
return;
}
offset += INT_SIZE;
// Channel Type
unsigned int ct = data.toUInt(offset, false);
if (ct < 1 || ct > 7) {
std::cerr <<"DSD::Header::parse(): channel type out of range" << std::endl;
return;
}
d->channelType = static_cast<ChannelType>(ct);
offset += INT_SIZE;
// Channel Num
d->channelNum = data.toUInt(offset, false);
if (d->channelNum < MinType || d->channelNum > MaxType) {
std::cerr <<"DSD::Header::parse(): channel num out of range" << std::endl;
return;
}
offset += INT_SIZE;
// Sampling frequency
d->sampleRate = data.toUInt(offset, false);
if (d->sampleRate != 2822400 && d->sampleRate != 5644800) {
std::cerr <<"DSD::Header::parse(): invalid sampling frequency" << std::endl;
return;
}
offset += INT_SIZE;
// Bits per sample
d->bitsPerSample = data.toUInt(offset, false);
if (d->bitsPerSample != 1 && d->bitsPerSample != 8) {
std::cerr <<"DSD::Header::parse(): bits per sample invalid" << std::endl;
return;
}
offset += INT_SIZE;
// Sample count
d->sampleCount = bytesToUInt64(&hdr[0], offset);
offset += LONG_INT_SIZE;
// Block size per channel
if (data.toUInt(offset, false) != 4096) {
std::cerr <<"DSD::Header::parse(): block size != 4096" << std::endl;
return;
}
//offset += 4;
// Reserved
// offset += 4;
d->isValid = true;
}
Tag::Tag(const QString &filename)
: m_filename(filename)
{
TagLib::MPEG::File mpegfile(filename.toLocal8Bit().constData());
TagLib::ID3v2::Tag* id3v2 = mpegfile.ID3v2Tag();
if (id3v2 && !id3v2->isEmpty()) {
readRegularTag(id3v2, m_data);
int picnum = 0;
TagLib::ID3v2::FrameList frames = id3v2->frameListMap()["APIC"]; // attached picture
TagLib::ID3v2::FrameList::ConstIterator it = frames.begin();
while (it != frames.end()) {
TagLib::ID3v2::AttachedPictureFrame* apic = static_cast<TagLib::ID3v2::AttachedPictureFrame*>(*it);
TagLib::ByteVector bytes = apic->picture();
QImage img = QImage::fromData(reinterpret_cast<const uchar*>(bytes.data()), bytes.size());
if (!img.isNull()) {
m_data[QLatin1String("picture") + QString::number(picnum++)] = QVariant(img);
}
++it;
}
} else {
TagLib::FileRef fileref(filename.toLocal8Bit().constData());
if (fileref.isNull())
return;
TagLib::Tag* tag = fileref.tag();
if (!tag || tag->isEmpty())
return;
readRegularTag(tag, m_data);
}
}
