metaioid3.h

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#ifndef METAIOID3_H_
#define METAIOID3_H_
 
// libmythmetadata
#include "metaiotaglib.h"
#include "musicmetadata.h"
 
// Taglib
#include <id3v1tag.h>
#include <id3v2tag.h>
#ifdef Q_OS_WIN
// The above indirectly includes winuser.h, which unconditionally
// redefines the string SendMessage to SendMessageA.
#undef SendMessage
#endif
#include <textidentificationframe.h>
#include <attachedpictureframe.h>
#include <popularimeterframe.h>
#include <tfile.h>
 
// QT
#include <QList>
 
using TagLib::ID3v2::UserTextIdentificationFrame;
using TagLib::ID3v2::TextIdentificationFrame;
using TagLib::ID3v2::PopularimeterFrame;
using TagLib::ID3v2::AttachedPictureFrame;
 
class META_PUBLIC MetaIOID3 : public MetaIOTagLib
{
  public:
    MetaIOID3(void) = default;
    ~MetaIOID3(void) override { CloseFile(); }
 
    bool write(const QString &filename, MusicMetadata* mdata) override; // MetaIOTagLib
    bool writeVolatileMetadata(const QString &filename, MusicMetadata* mdata) override; // MetaIO
 
    bool writeAlbumArt(const QString &filename, const AlbumArtImage *albumart) override; // MetaIO
    bool removeAlbumArt(const QString &filename, const AlbumArtImage *albumart) override; // MetaIO
 
    MusicMetadata* read(const QString &filename) override; // MetaIOTagLib
    AlbumArtList getAlbumArtList(const QString &filename) override; // MetaIO
    QImage *getAlbumArt(const QString &filename, ImageType type) override; // MetaIO
 
    bool supportsEmbeddedImages(void) override { return true; } // MetaIO
 
    bool changeImageType(const QString &filename, const AlbumArtImage *albumart,
                         ImageType newType) override; // MetaIO
 
    bool TagExists(const QString &filename) override; // MetaIO
 
  private:
    bool OpenFile(const QString &filename, bool forWriting = false);
    bool SaveFile();
    void CloseFile();
 
    TagLib::ID3v2::Tag* GetID3v2Tag(bool create = false);
    TagLib::ID3v1::Tag* GetID3v1Tag(bool create = false);
 
    static bool writePlayCount(TagLib::ID3v2::Tag *tag, int playcount);
    static bool writeRating(TagLib::ID3v2::Tag *tag, int rating);
    static bool writeLastPlay(TagLib::ID3v2::Tag *tag, QDateTime lastPlay);
 
    static AlbumArtList readAlbumArt(TagLib::ID3v2::Tag *tag);
    static UserTextIdentificationFrame* find(TagLib::ID3v2::Tag *tag,
                                      const String &description);
    static PopularimeterFrame* findPOPM(TagLib::ID3v2::Tag *tag, const String &email);
    static AttachedPictureFrame* findAPIC(TagLib::ID3v2::Tag *tag,
                                   AttachedPictureFrame::Type type,
                                   const String &description = String());
    static QString getExtFromMimeType(const QString &mimeType);
 
    TagLib::File *m_file {nullptr};
 
    enum TagType : std::uint8_t { kMPEG, kFLAC };
    TagType m_fileType {kMPEG};
};
 
#endif