/*  This file is part of the KDE project.+
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Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).+
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+
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This library is free software: you can redistribute it and/or modify+
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it under the terms of the GNU Lesser General Public License as published by+
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the Free Software Foundation, either version 2.1 or 3 of the License.+
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+
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This library is distributed in the hope that it will be useful,+
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but WITHOUT ANY WARRANTY; without even the implied warranty of+
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the+
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GNU Lesser General Public License for more details.+
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+
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You should have received a copy of the GNU Lesser General Public License+
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along with this library.  If not, see <http://www.gnu.org/licenses/>.+
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*/+
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+
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#ifndef PHONON_BACKENDNODE_H+
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#define PHONON_BACKENDNODE_H+
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+
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#include "phononds9_namespace.h"+
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+
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#include <QtCore/QObject>+
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#include <QtCore/QVector>+
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+
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#include "compointer.h"+
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+
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QT_BEGIN_NAMESPACE+
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+
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+
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+
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namespace Phonon+
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{+
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    namespace DS9+
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    {+
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        class MediaObject;+
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        typedef ComPointer<IPin> InputPin;+
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        typedef ComPointer<IPin> OutputPin;+
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        typedef ComPointer<IBaseFilter> Filter;+
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        typedef ComPointer<IGraphBuilder> Graph;+
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+
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        class BackendNode : public QObject+
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        {+
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            Q_OBJECT+
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+
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        public:+
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            BackendNode(QObject *parent);+
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            virtual ~BackendNode();+
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+
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            MediaObject *mediaObject() const {return m_mediaObject;}+
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+
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            static QList<InputPin> pins(const Filter &, PIN_DIRECTION);+
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+
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            Filter filter(int index) const { return m_filters[index]; }+
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            //add a pointer to the base Media Object (giving access to the graph and error management)+
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            void setMediaObject(MediaObject *mo);+
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+
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            //called by the connections to tell the node that it's been connection to anothe one through its 'inpin' input port+
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            virtual void connected(BackendNode *, const InputPin& inpin) {}+
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+
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            private Q_SLOTS:+
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                void mediaObjectDestroyed();+
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+
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        protected:+
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            Filter m_filters[FILTER_COUNT];+
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            MediaObject *m_mediaObject;+
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        };+
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    }+
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}+
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+
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QT_END_NAMESPACE+
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+
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#endif+
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