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_QT7_MediaNode_H

    19 #define Phonon_QT7_MediaNode_H

    20 

    21 #include <QtCore/QObject>

    22 #include "backendheader.h"

    23 #include "medianodeevent.h"

    24 #include "audioconnection.h"

    25 #include "videoframe.h"

    26 

    27 QT_BEGIN_NAMESPACE

    28 

    29 namespace Phonon

    30 {

    31 namespace QT7

    32 {

    33     class AudioNode;

    34     class AudioGraph;

    35     class MediaObject;

    36     class AudioConnection;

    37 

    38     class MediaNode : public QObject

    39     {

    40         Q_OBJECT

    41 

    42         public:

    43             enum NodeDescriptionEnum {

    44                 AudioSource     = 1,

    45                 AudioSink       = 2,

    46                 VideoSource     = 4,

    47                 VideoSink       = 8,

    48                 AudioGraphNode  = 16

    49             };

    50             Q_DECLARE_FLAGS(NodeDescription, NodeDescriptionEnum);

    51 

    52             MediaNode(NodeDescription description, QObject *parent);

    53             MediaNode(NodeDescription description, AudioNode *audioPart, QObject *parent);

    54             virtual ~MediaNode();

    55 

    56             void setAudioNode(AudioNode *audioPart);

    57             bool connectToSink(MediaNode *sink);

    58             bool disconnectToSink(MediaNode *sink);

    59             AudioConnection *getAudioConnectionToSink(MediaNode *sink);

    60 

    61             void notify(const MediaNodeEvent *event, bool propagate = true);

    62             void sendEventToSinks(const MediaNodeEvent *event);

    63             virtual void mediaNodeEvent(const MediaNodeEvent *event);

    64 

    65             virtual void updateVideo(VideoFrame &frame);

    66             AudioGraph *m_audioGraph;

    67 

    68             AudioNode *m_audioNode;

    69             QList<AudioConnection *> m_audioSinkList;

    70             QList<AudioConnection *> m_audioSourceList;

    71             QList<MediaNode *> m_videoSinkList;

    72 

    73             int availableAudioInputBus();

    74             int availableAudioOutputBus();

    75 

    76             NodeDescription m_description;

    77             MediaObject *m_owningMediaObject;

    78     };

    79 

    80     Q_DECLARE_OPERATORS_FOR_FLAGS(MediaNode::NodeDescription);

    81 

    82 }} // namespace Phonon::QT7

    83 

    84 QT_END_NAMESPACE

    85 #endif // Phonon_QT7_MediaNode_H