/*  This file is part of the KDE project.

    Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

    This library is free software: you can redistribute it and/or modify

    it under the terms of the GNU Lesser General Public License as published by

    the Free Software Foundation, either version 2.1 or 3 of the License.

    This library 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 Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License

    along with this library.  If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef Phonon_GSTREAMER_EFFECT_H

#define Phonon_GSTREAMER_EFFECT_H

#include "common.h"

#include "medianode.h"

#include <phonon/effectparameter.h>

#include <phonon/effectinterface.h>

#include <QtCore/QObject>

#include <gst/gst.h>

#ifndef QT_NO_PHONON_EFFECT

QT_BEGIN_NAMESPACE

namespace Phonon

{

namespace Gstreamer

{

    class EffectInfo;

    class Effect : public QObject, public Phonon::EffectInterface, public MediaNode

    {

        Q_OBJECT

        Q_INTERFACES(Phonon::EffectInterface Phonon::Gstreamer::MediaNode)

        public:

            Effect (Backend *backend, QObject *parent, NodeDescription description);

            virtual ~Effect ();

            virtual QList<EffectParameter> parameters() const;

            virtual QVariant parameterValue(const EffectParameter &) const;

            virtual void setParameterValue(const EffectParameter &, const QVariant &);

            virtual GstElement* createEffectBin() = 0;

            virtual void init();

            virtual void setupEffectParams();

        protected:

            GstElement *m_effectBin;

            GstElement *m_effectElement;

            QList<Phonon::EffectParameter> m_parameterList;

    };

}} //namespace Phonon::Gstreamer

QT_END_NAMESPACE

#endif //QT_NO_PHONON_EFFECT

#endif // Phonon_GSTREAMER_EFFECT_H