/***************************************************************************
* Copyright (C) 2008-2021 by Ilya Kotov *
* forkotov02@ya.ru *
* *
* This program 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 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <QMessageBox>
#include <QFileInfo>
#include <QRegularExpression>
#include <taglib/tag.h>
#include <taglib/fileref.h>
#include <taglib/flacfile.h>
#include <taglib/oggflacfile.h>
#include <taglib/xiphcomment.h>
#include <taglib/tmap.h>
#include <taglib/tfilestream.h>
#include <taglib/id3v2framefactory.h>
#include <qmmp/cueparser.h>
#include "decoder_flac.h"
#include "flacmetadatamodel.h"
#include "decoderflacfactory.h"
// DecoderFLACFactory
bool DecoderFLACFactory::canDecode(QIODevice *input) const
{
char buf[36];
if (input->peek(buf, 36) != 36)
return false;
if(!memcmp(buf, "fLaC", 4)) //native flac
return true;
if(!memcmp(buf, "OggS", 4) && !memcmp(buf + 29, "FLAC", 4)) //ogg flac
return true;
return false;
}
DecoderProperties DecoderFLACFactory::properties() const
{
DecoderProperties properties;
properties.name = tr("FLAC Plugin");
properties.filters = QStringList { "*.flac", "*.oga" };
properties.description = tr("FLAC Files");
properties.contentTypes = QStringList { "audio/x-flac", "audio/flac" };
properties.shortName = "flac";
properties.protocols = QStringList { "flac" };
properties.hasAbout = true;
properties.hasSettings = false;
return properties;
}
Decoder *DecoderFLACFactory::create(const QString &path, QIODevice *i)
{
return new DecoderFLAC(path, i);
}
QList<TrackInfo*> DecoderFLACFactory::createPlayList(const QString &path, TrackInfo::Parts parts, QStringList *ignoredFiles)
{
Q_UNUSED(ignoredFiles);
int track = -1; //cue track
QString filePath = path;
if(path.contains("://")) //is it cue track?
{
filePath.remove("flac://");
filePath.remove(QRegularExpression("#\\d+$"));
track = path.section("#", -1).toInt();
parts = TrackInfo::AllParts; //extract all metadata for single cue track
}
TrackInfo *info = new TrackInfo(filePath);
if(parts == TrackInfo::Parts())
return QList<TrackInfo *>() << info;
TagLib::Ogg::XiphComment *tag = nullptr;
TagLib::FLAC::Properties *ap = nullptr;
TagLib::FLAC::File *flacFile = nullptr;
TagLib::Ogg::FLAC::File *oggFlacFile = nullptr;
TagLib::FileStream stream(QStringToFileName(filePath), true);
if(filePath.endsWith(".flac", Qt::CaseInsensitive))
{
flacFile = new TagLib::FLAC::File(&stream, TagLib::ID3v2::FrameFactory::instance());
tag = flacFile->xiphComment();
ap = flacFile->audioProperties();
}
else if(filePath.endsWith(".oga", Qt::CaseInsensitive))
{
oggFlacFile = new TagLib::Ogg::FLAC::File(&stream);
tag = oggFlacFile->tag();
ap = oggFlacFile->audioProperties();
}
else
{
delete info;
return QList<TrackInfo *>();
}
if((parts & TrackInfo::Properties) && ap)
{
info->setValue(Qmmp::BITRATE, ap->bitrate());
info->setValue(Qmmp::SAMPLERATE, ap->sampleRate());
info->setValue(Qmmp::CHANNELS, ap->channels());
info->setValue(Qmmp::BITS_PER_SAMPLE, ap->bitsPerSample());
info->setValue(Qmmp::FORMAT_NAME, flacFile ? "FLAC" : "Ogg FLAC");
info->setValue(Qmmp::FILE_SIZE, QFileInfo(filePath).size()); //adds file size for cue tracks
info->setDuration(ap->lengthInMilliseconds());
}
if((parts & TrackInfo::ReplayGainInfo) && tag && !tag->isEmpty())
{
TagLib::Ogg::FieldListMap items = tag->fieldListMap();
if (items.contains("REPLAYGAIN_TRACK_GAIN"))
info->setValue(Qmmp::REPLAYGAIN_TRACK_GAIN,TStringToQString(items["REPLAYGAIN_TRACK_GAIN"].front()));
if (items.contains("REPLAYGAIN_TRACK_PEAK"))
info->setValue(Qmmp::REPLAYGAIN_TRACK_PEAK,TStringToQString(items["REPLAYGAIN_TRACK_PEAK"].front()));
if (items.contains("REPLAYGAIN_ALBUM_GAIN"))
info->setValue(Qmmp::REPLAYGAIN_ALBUM_GAIN,TStringToQString(items["REPLAYGAIN_ALBUM_GAIN"].front()));
if (items.contains("REPLAYGAIN_ALBUM_PEAK"))
info->setValue(Qmmp::REPLAYGAIN_ALBUM_PEAK,TStringToQString(items["REPLAYGAIN_ALBUM_PEAK"].front()));
}
if((parts & TrackInfo::MetaData) && tag && !tag->isEmpty())
{
if(tag->fieldListMap().contains("CUESHEET") && ap)
{
QByteArray data(tag->fieldListMap()["CUESHEET"].toString().toCString(true));
QString diskNumber;
if(tag->contains("DISCNUMBER") && !tag->fieldListMap()["DISCNUMBER"].isEmpty())
{
TagLib::StringList fld = tag->fieldListMap()["DISCNUMBER"];
diskNumber = TStringToQString(fld.toString()).trimmed();
}
CueParser parser(data);
if(!diskNumber.isEmpty())
{
for(int i = 1; i <= parser.count(); ++i)
parser.setMetaData(i, Qmmp::DISCNUMBER, diskNumber);
}
parser.setDuration(ap->lengthInMilliseconds());
parser.setProperties(info->properties());
parser.setUrl("flac", filePath);
if(flacFile)
delete flacFile;
if(oggFlacFile)
delete oggFlacFile;
delete info;
return parser.createPlayList(track);
}
else if(track > 0) //cue track is not available
{
if(flacFile)
delete flacFile;
if(oggFlacFile)
delete oggFlacFile;
delete info;
return QList<TrackInfo *>();
}
info->setValue(Qmmp::ALBUM, TStringToQString(tag->album()));
info->setValue(Qmmp::ARTIST, TStringToQString(tag->artist()));
info->setValue(Qmmp::COMMENT, TStringToQString(tag->comment()));
info->setValue(Qmmp::GENRE, TStringToQString(tag->genre()));
info->setValue(Qmmp::TITLE, TStringToQString(tag->title()));
info->setValue(Qmmp::YEAR, tag->year());
info->setValue(Qmmp::TRACK, tag->track());
//additional metadata
TagLib::StringList fld;
if(!(fld = tag->fieldListMap()["ALBUMARTIST"]).isEmpty())
info->setValue(Qmmp::ALBUMARTIST, TStringToQString(fld.toString()));
if(!(fld = tag->fieldListMap()["COMPOSER"]).isEmpty())
info->setValue(Qmmp::COMPOSER, TStringToQString(fld.toString()));
if(!(fld = tag->fieldListMap()["DISCNUMBER"]).isEmpty())
info->setValue(Qmmp::DISCNUMBER, TStringToQString(fld.toString()));
}
if(flacFile)
delete flacFile;
if(oggFlacFile)
delete oggFlacFile;
return QList<TrackInfo *>() << info;
}
MetaDataModel* DecoderFLACFactory::createMetaDataModel(const QString &path, bool readOnly)
{
if (!path.contains("://") || path.startsWith("flac://"))
return new FLACMetaDataModel(path, readOnly);
else
return nullptr;
}
void DecoderFLACFactory::showSettings(QWidget *)
{}
void DecoderFLACFactory::showAbout(QWidget *parent)
{
QMessageBox::about (parent, tr("About FLAC Audio Plugin"),
tr("Qmmp FLAC Audio Plugin")+"\n"+
tr("Written by: Ilya Kotov <forkotov02@ya.ru>"));
}
QString DecoderFLACFactory::translation() const
{
return QLatin1String(":/flac_plugin_");
}
