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_BACKENDNODE_H

    19 #define PHONON_BACKENDNODE_H

    20 

    21 #include "phononds9_namespace.h"

    22 

    23 #include <QtCore/QObject>

    24 #include <QtCore/QVector>

    25 

    26 #include "compointer.h"

    27 

    28 QT_BEGIN_NAMESPACE

    29 

    30 

    31 

    32 namespace Phonon

    33 {

    34     namespace DS9

    35     {

    36         class MediaObject;

    37         typedef ComPointer<IPin> InputPin;

    38         typedef ComPointer<IPin> OutputPin;

    39         typedef ComPointer<IBaseFilter> Filter;

    40         typedef ComPointer<IGraphBuilder> Graph;

    41 

    42         class BackendNode : public QObject

    43         {

    44             Q_OBJECT

    45 

    46         public:

    47             BackendNode(QObject *parent);

    48             virtual ~BackendNode();

    49 

    50             MediaObject *mediaObject() const {return m_mediaObject;}

    51 

    52             static QList<InputPin> pins(const Filter &, PIN_DIRECTION);

    53 

    54             Filter filter(int index) const { return m_filters[index]; }

    55             //add a pointer to the base Media Object (giving access to the graph and error management)

    56             void setMediaObject(MediaObject *mo);

    57 

    58             //called by the connections to tell the node that it's been connection to anothe one through its 'inpin' input port

    59             virtual void connected(BackendNode *, const InputPin& inpin) {}

    60 

    61             private Q_SLOTS:

    62                 void mediaObjectDestroyed();

    63 

    64         protected:

    65             Filter m_filters[FILTER_COUNT];

    66             MediaObject *m_mediaObject;

    67         };

    68     }

    69 }

    70 

    71 QT_END_NAMESPACE

    72 

    73 #endif