strawberry-audio-player-win.../ext/libstrawberry-tagreader/tagreadertaglib.h

93 lines
3.7 KiB
C++

/* This file is part of Strawberry.
Copyright 2013, David Sansome <me@davidsansome.com>
Copyright 2018-2021, Jonas Kvinge <jonas@jkvinge.net>
Strawberry is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Strawberry is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TAGREADERTAGLIB_H
#define TAGREADERTAGLIB_H
#include "config.h"
#include <string>
#include <QByteArray>
#include <QString>
#include <taglib/tstring.h>
#include <taglib/fileref.h>
#include <taglib/xiphcomment.h>
#include <taglib/apetag.h>
#include <taglib/apefile.h>
#include <taglib/id3v2tag.h>
#include <taglib/popularimeterframe.h>
#include "tagreaderbase.h"
#include "tagreadermessages.pb.h"
class FileRefFactory;
/*
* This class holds all useful methods to read and write tags from/to files.
* You should not use it directly in the main process but rather use a TagReaderWorker process (using TagReaderClient)
*/
class TagReaderTagLib : public TagReaderBase {
public:
explicit TagReaderTagLib();
~TagReaderTagLib();
bool IsMediaFile(const QString &filename) const override;
void ReadFile(const QString &filename, spb::tagreader::SongMetadata *song) const override;
bool SaveFile(const QString &filename, const spb::tagreader::SongMetadata &song) const override;
QByteArray LoadEmbeddedArt(const QString &filename) const override;
bool SaveEmbeddedArt(const QString &filename, const QByteArray &data) override;
bool SaveSongPlaycountToFile(const QString &filename, const spb::tagreader::SongMetadata &song) const override;
bool SaveSongRatingToFile(const QString &filename, const spb::tagreader::SongMetadata &song) const override;
private:
spb::tagreader::SongMetadata_FileType GuessFileType(TagLib::FileRef *fileref) const;
static void Decode(const TagLib::String &tag, std::string *output);
static void Decode(const QString &tag, std::string *output);
void ParseOggTag(const TagLib::Ogg::FieldListMap &map, QString *disc, QString *compilation, spb::tagreader::SongMetadata *song) const;
void ParseAPETag(const TagLib::APE::ItemListMap &map, QString *disc, QString *compilation, spb::tagreader::SongMetadata *song) const;
void SetVorbisComments(TagLib::Ogg::XiphComment *vorbis_comments, const spb::tagreader::SongMetadata &song) const;
void SaveAPETag(TagLib::APE::Tag *tag, const spb::tagreader::SongMetadata &song) const;
void SetTextFrame(const char *id, const QString &value, TagLib::ID3v2::Tag *tag) const;
void SetTextFrame(const char *id, const std::string &value, TagLib::ID3v2::Tag *tag) const;
void SetUserTextFrame(const QString &description, const QString &value, TagLib::ID3v2::Tag *tag) const;
void SetUserTextFrame(const std::string &description, const std::string &value, TagLib::ID3v2::Tag *tag) const;
void SetUnsyncLyricsFrame(const std::string &value, TagLib::ID3v2::Tag *tag) const;
QByteArray LoadEmbeddedAPEArt(const TagLib::APE::ItemListMap &map) const;
static float ConvertPOPMRating(const int POPM_rating);
static int ConvertToPOPMRating(const float rating);
static TagLib::ID3v2::PopularimeterFrame *GetPOPMFrameFromTag(TagLib::ID3v2::Tag *tag);
private:
FileRefFactory *factory_;
Q_DISABLE_COPY(TagReaderTagLib)
};
#endif // TAGREADERTAGLIB_H