bool CoverUtils::coverFromMP4(QString filename, Album *album) {
TagLib::MP4::File f((TagLib::FileName)filename.toUtf8());
if (!f.isValid()) return false;
TagLib::MP4::Tag *tag = static_cast<TagLib::MP4::Tag *>(f.tag());
if (!tag) return false;
TagLib::MP4::ItemListMap itemsListMap = tag->itemListMap();
TagLib::MP4::Item coverItem = itemsListMap["covr"];
TagLib::MP4::CoverArtList coverArtList = coverItem.toCoverArtList();
TagLib::MP4::CoverArt coverArt = coverArtList.front();
QImage image;
image.loadFromData((const uchar *) coverArt.data().data(), coverArt.data().size());
if (!isAcceptableImage(image)) return false;
qDebug() << "Cover from MP4!";
return saveImage(image, album);
}
QString FileHelper::extractMp4Feature(const QString &featureToExtract) const
{
QString feature;
if (TagLib::MP4::File *mp4File = static_cast<TagLib::MP4::File*>(_file)) {
if (mp4File->tag()) {
TagLib::MP4::ItemListMap &items = mp4File->tag()->itemListMap();
if (items.contains(featureToExtract.toStdString().data())) {
TagLib::MP4::Item item = items[featureToExtract.toStdString().data()];
TagLib::StringList list = item.toStringList();
if (list.size() > 0) {
feature = list[0].toCString(true);
}
/*for (uint i = 0; i < list.size(); i++) {
TagLib::String s = list[i];
qDebug() << Q_FUNC_INFO << s.toCString(true);
}*/
}
/*for (auto it = items.begin(); it != items.end(); ++it) {
qDebug() << Q_FUNC_INFO << QString(it->first.toCString(false));
}*/
}
}
return feature;
}
void LocalSong::setInfo(const QString &filePath)
{
QFileInfo fileInfo(filePath);
fileExtension = fileInfo.completeSuffix();
QString singer="";
QString sname="";
QString album="";
QImage covpic;
if(fileExtension == "m4a")
{
TagLib::MP4::File *mp4File = new TagLib::MP4::File(
QFile::encodeName(filePath).constData());
if(false==mp4File->isOpen())
return;
sname=QString(mp4File->tag()->title().toCString(true));
singer=QString(mp4File->tag()->artist().toCString(true));
album=QString(mp4File->tag()->album().toCString(true));
TagLib::MP4::ItemListMap itemListMap = mp4File->tag()->itemListMap();
TagLib::MP4::Item albumArtItem = itemListMap["covr"];
TagLib::MP4::CoverArtList albumArtList = albumArtItem.toCoverArtList();
TagLib::MP4::CoverArt albumArt = albumArtList.front();
QImage cover;
cover.loadFromData((const uchar *)
albumArt.data().data(),
albumArt.data().size());
covpic = cover.scaled(
50,
50,
Qt::IgnoreAspectRatio,
Qt::SmoothTransformation);
if(!covpic.isNull())
{
qDebug()<<"读取M4A封面信息成功";
}else
{
covpic.load(":/image/image/playIcon.png");
qDebug()<<"读取音乐封面信息失败";
}
}
else if(fileExtension == "mp3")
{
TagLib::MPEG::File *mpegFile = new TagLib::MPEG::File(
QFile::encodeName(filePath).constData());
if(false==mpegFile->isOpen())
return;
else
{
sname=QString(mpegFile->tag()->title().toCString(true));
singer=QString(mpegFile->tag()->artist().toCString(true));
album=QString(mpegFile->tag()->album().toCString(true));
auto tag = mpegFile->ID3v2Tag(false);
auto list = tag->frameListMap()["APIC"];
if(!list.isEmpty()) {
auto frame = list.front();
auto pic = reinterpret_cast<TagLib::ID3v2::AttachedPictureFrame *>(frame);
if(pic && !pic->picture().isNull())
{
QImage cover;
if(cover.loadFromData(QByteArray::fromRawData(pic->picture().data(), pic->picture().size()))) {
covpic = cover.scaled(
50,
50,
Qt::IgnoreAspectRatio,
Qt::SmoothTransformation);
qDebug()<<"读取MP3封面信息成功";
}
}
}
else
{
covpic.load(":/image/image/playIcon.png");
qDebug()<<"读取音乐封面信息失败";
}
}
}
singerlist.append(singer);
snamelist.append(sname);
albumlist.append(album);
covPiclist.append(covpic);
int covCount=covPiclist.length();
QString covpicpath=QDir::tempPath()+QString("/%1.png").arg(covCount);
covpic.save(covpicpath);
QUrl covpicUrl=QUrl::fromLocalFile(covpicpath);
qDebug()<<"歌名为"<<sname;
qDebug()<<"歌手为"<<singer;
qDebug()<<"专辑为"<<album;
qDebug()<<"URL为"<<covpicUrl;
emit setSongInfo(singer,sname,album,covpicUrl);
return;
}
QString TagLibMetadata::getGrouping() const{
if(f == NULL || !f->isValid())
return "";
TagLib::MPEG::File* fileTestMpeg = dynamic_cast<TagLib::MPEG::File*>(f);
if(fileTestMpeg != NULL){
TagLib::ID3v2::Tag* tagTestId3v2 = fileTestMpeg->ID3v2Tag();
if(tagTestId3v2 != NULL){
TagLib::ID3v2::FrameList l = tagTestId3v2->frameListMap()["TIT1"];
if(!l.isEmpty()){
TagLib::String out = l.front()->toString();
return QString::fromUtf8((out.toCString()));
}
return "";
}
TagLib::ID3v1::Tag* tagTestId3v1 = fileTestMpeg->ID3v1Tag();
if(tagTestId3v1 != NULL){
#ifdef Q_OS_WIN
qDebug("ID3v1 does not support the Grouping tag");
#else
qDebug("ID3v1 does not support the Grouping tag (%s)",f->name());
#endif
return "N/A";
}
}
TagLib::RIFF::AIFF::File* fileTestAiff = dynamic_cast<TagLib::RIFF::AIFF::File*>(f);
if(fileTestAiff != NULL){
TagLib::ID3v2::Tag* tagTestId3v2 = fileTestAiff->tag();
if(tagTestId3v2 != NULL){
TagLib::ID3v2::FrameList l = tagTestId3v2->frameListMap()["TIT1"];
if(!l.isEmpty()){
TagLib::String out = l.front()->toString();
return QString::fromUtf8((out.toCString()));
}
return "";
}
}
TagLib::RIFF::WAV::File* fileTestWav = dynamic_cast<TagLib::RIFF::WAV::File*>(f);
if(fileTestWav != NULL){
TagLib::ID3v2::Tag* tagTestId3v2 = fileTestWav->tag();
if(tagTestId3v2 != NULL){
TagLib::ID3v2::FrameList l = tagTestId3v2->frameListMap()["TIT1"];
if(!l.isEmpty()){
TagLib::String out = l.front()->toString();
return QString::fromUtf8((out.toCString()));
}
return "";
}
}
TagLib::MP4::Tag* tagTestMp4 = dynamic_cast<TagLib::MP4::Tag*>(f->tag());
if(tagTestMp4 != NULL){
TagLib::MP4::Item m = tagTestMp4->itemListMap()["\251grp"];
if(m.isValid()){
TagLib::String out = m.toStringList().front();
return QString::fromUtf8((out.toCString()));
}
return "";
}
TagLib::ASF::Tag* tagTestAsf = dynamic_cast<TagLib::ASF::Tag*>(f->tag());
if(tagTestAsf != NULL){
TagLib::ASF::AttributeList l = tagTestAsf->attributeListMap()["WM/ContentGroupDescription"];
if(!l.isEmpty()){
TagLib::String out = l.front().toString();
return QString::fromUtf8((out.toCString()));
}
return "";
}
TagLib::APE::Tag* tagTestApe = dynamic_cast<TagLib::APE::Tag*>(f->tag());
if(tagTestApe != NULL){
TagLib::APE::Item m = tagTestApe->itemListMap()["Grouping"];
if(!m.isEmpty()){
TagLib::String out = m.toStringList().front();
return QString::fromUtf8((out.toCString()));
}
return "";
}
#ifdef Q_OS_WIN
qDebug("Grouping tag read failed all tests");
#else
qDebug("Grouping tag read failed all tests on %s",f->name());
#endif
return "N/A";
}