1 /*  This file is part of the KDE project.

     2 

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

     4 

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

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

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

     8 

     9     This library is distributed in the hope that it will be useful,

    10     but WITHOUT ANY WARRANTY; without even the implied warranty of

    11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12     GNU Lesser General Public License for more details.

    13 

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

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

    16 */

    17 

    18 #ifndef Phonon_GSTREAMER_EFFECT_H

    19 #define Phonon_GSTREAMER_EFFECT_H

    20 

    21 #include "common.h"

    22 #include "medianode.h"

    23 

    24 #include <phonon/effectparameter.h>

    25 #include <phonon/effectinterface.h>

    26 

    27 #include <QtCore/QObject>

    28 

    29 #include <gst/gst.h>

    30 

    31 QT_BEGIN_NAMESPACE

    32 

    33 namespace Phonon

    34 {

    35 namespace Gstreamer

    36 {

    37     class EffectInfo;

    38 

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

    40     {

    41         Q_OBJECT

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

    43         public:

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

    45             virtual ~Effect ();

    46 

    47             virtual QList<EffectParameter> parameters() const;

    48             virtual QVariant parameterValue(const EffectParameter &) const;

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

    50 

    51             virtual GstElement* createEffectBin() = 0;

    52             virtual void init();

    53             virtual void setupEffectParams();

    54 

    55         protected:

    56             GstElement *m_effectBin;

    57             GstElement *m_effectElement;

    58             QList<Phonon::EffectParameter> m_parameterList;

    59     };

    60 }} //namespace Phonon::Gstreamer

    61 

    62 QT_END_NAMESPACE

    63 

    64 #endif // Phonon_GSTREAMER_EFFECT_H