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/* 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_MEDIANODE_H
#define Phonon_GSTREAMER_MEDIANODE_H
#include "common.h"
#include "medianodeevent.h"
#include <QtCore/QObject>
#include <QtCore/QList>
#include <QtCore/QSize>
#include <gst/gst.h>
QT_BEGIN_NAMESPACE
namespace Phonon {
namespace Gstreamer {
class Message;
class MediaObject;
class Backend;
class MediaNode {
public:
enum NodeDescriptionEnum {
AudioSource = 0x1,
AudioSink = 0x2,
VideoSource = 0x4,
VideoSink = 0x8
};
Q_DECLARE_FLAGS(NodeDescription, NodeDescriptionEnum)
MediaNode(Backend *backend, NodeDescription description);
virtual ~MediaNode();
bool connectNode(QObject *other);
bool disconnectNode(QObject *other);
bool buildGraph();
bool breakGraph();
virtual bool link();
virtual bool unlink();
NodeDescription description() const {
return m_description;
}
bool isValid() {
return m_isValid;
}
MediaObject *root() {
return m_root;
}
void setRoot(MediaObject *mediaObject) {
m_root = mediaObject;
}
void notify(const MediaNodeEvent *event);
Backend *backend() {
return m_backend;
}
const QString &name() {
return m_name;
}
virtual GstElement *audioElement() {
return m_audioTee;
}
virtual GstElement *videoElement() {
return m_videoTee;
}
protected:
bool connectToFakeSink(GstElement *tee, GstElement *sink, GstElement *bin);
bool releaseFakeSinkIfConnected(GstElement *tee, GstElement *sink, GstElement *bin);
bool linkMediaNodeList(QList<QObject *> &list, GstElement *bin, GstElement *tee, GstElement *sink, GstElement *src);
virtual void mediaNodeEvent(const MediaNodeEvent *event);
QList<QObject *> m_audioSinkList;
QList<QObject *> m_videoSinkList;
bool m_isValid;
MediaObject *m_root;
GstElement *m_audioTee;
GstElement *m_videoTee;
GstElement *m_fakeAudioSink;
GstElement *m_fakeVideoSink;
Backend *m_backend;
QString m_name;
private:
bool addOutput(MediaNode *, GstElement *tee);
NodeDescription m_description;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(MediaNode::NodeDescription)
} // ns Gstreamer
} // ns Phonon
Q_DECLARE_INTERFACE(Phonon::Gstreamer::MediaNode, "org.phonon.gstreamer.MediaNode")
QT_END_NAMESPACE
#endif // Phonon_GSTREAMER_MEDIANODE_H
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