path: root/src/plugins/Input/mpc/decodermpcfactory.cpp

/***************************************************************************
 *   Copyright (C) 2008-2018 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 <taglib/tag.h>
#include <taglib/fileref.h>
#include <taglib/mpcfile.h>
#include <taglib/apetag.h>
#include <taglib/tfilestream.h>
#include "mpcmetadatamodel.h"
#include "decoder_mpc.h"
#include "decodermpcfactory.h"

// DecoderMPCFactory
bool DecoderMPCFactory::canDecode(QIODevice *input) const
{
    char buf[36];
    if (input->peek(buf, 4) != 4)
        return false;

    if(!memcmp(buf, "MP+", 3) || !memcmp(buf, "MPCK", 4))
        return true;

    return false;
}

DecoderProperties DecoderMPCFactory::properties() const
{
    DecoderProperties properties;
    properties.name = tr("Musepack Plugin");
    properties.filters << "*.mpc";
    properties.description = tr("Musepack Files");
    //properties.contentType = ;
    properties.shortName = "mpc";
    properties.hasAbout = true;
    properties.hasSettings = false;
    return properties;
}

Decoder *DecoderMPCFactory::create(const QString &, QIODevice *i)
{
    return new DecoderMPC(i);
}

QList<TrackInfo *> DecoderMPCFactory::createPlayList(const QString &path, TrackInfo::Parts parts, QStringList *)
{
    TrackInfo *info = new TrackInfo(path);

    if(parts == TrackInfo::NoParts)
        return QList<TrackInfo*>() << info;

    TagLib::FileStream stream(QStringToFileName(path), true);
    TagLib::MPC::File fileRef(&stream);

    if((parts & TrackInfo::MetaData) && fileRef.APETag() && !fileRef.APETag()->isEmpty())
    {
        TagLib::APE::Tag *tag = fileRef.APETag();
        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());
        TagLib::APE::Item fld;
        if(!(fld = tag->itemListMap()["ALBUM ARTIST"]).isEmpty())
            info->setValue(Qmmp::ALBUMARTIST, TStringToQString(fld.toString()));
        if(!(fld = tag->itemListMap()["COMPOSER"]).isEmpty())
            info->setValue(Qmmp::COMPOSER, TStringToQString(fld.toString()));
    }

    if((parts & TrackInfo::Properties) && fileRef.audioProperties())
    {
        info->setValue(Qmmp::BITRATE, fileRef.audioProperties()->bitrate());
        info->setValue(Qmmp::SAMPLERATE, fileRef.audioProperties()->sampleRate());
        info->setValue(Qmmp::CHANNELS, fileRef.audioProperties()->channels());
        info->setValue(Qmmp::BITS_PER_SAMPLE, 16);
        info->setValue(Qmmp::FORMAT_NAME, QString("Musepack SV%1").arg(fileRef.audioProperties()->mpcVersion()));
        info->setDuration(fileRef.audioProperties()->lengthInMilliseconds());
    }

    return QList<TrackInfo*>() << info;
}

MetaDataModel* DecoderMPCFactory::createMetaDataModel(const QString &path, bool readOnly)
{
    return new MPCMetaDataModel(path, readOnly);
}

void DecoderMPCFactory::showSettings(QWidget *)
{}

void DecoderMPCFactory::showAbout(QWidget *parent)
{
    QMessageBox::about (parent, tr("About Musepack Audio Plugin"),
                        tr("Qmmp Musepack Audio Plugin")+"\n"+
                        tr("Written by: Ilya Kotov <forkotov02@ya.ru>"));
}

QString DecoderMPCFactory::translation() const
{
    return QLatin1String(":/mpc_plugin_");
}