abstractengine.h

/***************************************************************************
 *   Copyright (C) 2009-2021 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.         *
 ***************************************************************************/
 
#ifndef ABSTRACTENGINE_H
#define ABSTRACTENGINE_H
 
#include <QMutex>
#include <QThread>
#include <QStringList>
#include "enginefactory.h"
#include "qmmpsettings.h"
 
class QIODevice;
class InputSource;
class QmmpPluginCache;
class EngineFactory;
 
 
class QMMP_EXPORT AbstractEngine : public QThread
{
 Q_OBJECT
public:
    AbstractEngine(QObject *parent = 0);
    virtual ~AbstractEngine();
    virtual bool enqueue(InputSource *source) = 0;
    virtual bool play() = 0;
    virtual void seek(qint64 time) = 0;
    virtual void stop() = 0;
    virtual void pause() = 0;
    virtual void setMuted(bool muted) = 0;
    static AbstractEngine *create(InputSource *s, QObject *parent = 0);
    static QList<EngineFactory*> factories();
    static QList<EngineFactory*> enabledFactories();
    static QStringList nameFilters();
    static EngineFactory *findByFilePath(const QString &path);
    static void setEnabled(EngineFactory *factory, bool enable = true);
    static bool isEnabled(EngineFactory *factory);
    static bool isEnabled(AbstractEngine *engine);
    static QString file(EngineFactory *factory);
    static QStringList protocols();
 
protected:
    QMutex *mutex();
 
private:
    QMutex m_mutex;
    static void loadPlugins();
    static QList<QmmpPluginCache*> *m_cache;
    static QStringList m_disabledNames;
};
 
 
#endif // ABSTRACTENGINE_H