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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_BACKEND_H
#define PHONON_BACKEND_H
#include "phononds9_namespace.h"
#include <phonon/backendinterface.h>
#include <phonon/phononnamespace.h>
#include <QtCore/QList>
#include <QtCore/QMutex>
#include "compointer.h"
#include "backendnode.h"
QT_BEGIN_NAMESPACE
namespace Phonon
{
namespace DS9
{
class AudioOutput;
class MediaObject;
typedef Phonon::ObjectDescriptionType ObjectDescriptionType;
class Backend : public QObject, public Phonon::BackendInterface
{
Q_OBJECT
Q_INTERFACES(Phonon::BackendInterface)
public:
Backend(QObject *parent = 0, const QVariantList & = QVariantList());
virtual ~Backend();
QObject *createObject(Phonon::BackendInterface::Class, QObject *parent, const QList<QVariant> &args);
bool supportsVideo() const;
QStringList availableMimeTypes() const;
QList<int> objectDescriptionIndexes(Phonon::ObjectDescriptionType type) const;
QHash<QByteArray, QVariant> objectDescriptionProperties(Phonon::ObjectDescriptionType type, int index) const;
bool connectNodes(QObject *, QObject *);
bool disconnectNodes(QObject *, QObject *);
//transaction management
bool startConnectionChange(QSet<QObject *>);
bool endConnectionChange(QSet<QObject *>);
Filter getAudioOutputFilter(int index) const;
static QMutex *directShowMutex();
Q_SIGNALS:
void objectDescriptionChanged(ObjectDescriptionType);
private:
class AudioMoniker : public ComPointer<IMoniker>
{
public:
bool operator==(const AudioMoniker &other);
};
mutable QVector<AudioMoniker> m_audioOutputs;
mutable QVector<CLSID> m_audioEffects;
mutable QMutex m_directShowMutex;
};
}
}
QT_END_NAMESPACE
#endif // PHONON_BACKEND_H
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