1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the Qt Mobility Components.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    27 **

    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

    31 **

    32 **

    33 **

    34 **

    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #ifndef QGSTREAMERPLAYERSESSION_H

    43 #define QGSTREAMERPLAYERSESSION_H

    44 

    45 #include <QObject>

    46 #include <QUrl>

    47 #include "qgstreamerplayercontrol.h"

    48 #include "qgstreamerbushelper.h"

    49 #include <qmediaplayer.h>

    50 #include <qmediastreamscontrol.h>

    51 

    52 #include <gst/gst.h>

    53 

    54 class QGstreamerBusHelper;

    55 class QGstreamerMessage;

    56 

    57 class QGstreamerVideoRendererInterface;

    58 

    59 QTM_USE_NAMESPACE

    60 

    61 class QGstreamerPlayerSession : public QObject, public QGstreamerSyncEventFilter

    62 {

    63 Q_OBJECT

    64 

    65 public:

    66     QGstreamerPlayerSession(QObject *parent);

    67     virtual ~QGstreamerPlayerSession();

    68 

    69     QUrl url() const;

    70 

    71     QMediaPlayer::State state() const { return m_state; }

    72     QMediaPlayer::MediaStatus mediaStatus() const { return m_mediaStatus; }

    73 

    74     qint64 duration() const;

    75     qint64 position() const;

    76 

    77     bool isBuffering() const;

    78 

    79     int bufferingProgress() const;

    80 

    81     int volume() const;

    82     bool isMuted() const;

    83 

    84     bool isAudioAvailable() const;

    85 

    86     void setVideoRenderer(QObject *renderer);

    87     bool isVideoAvailable() const;

    88 

    89     bool isSeekable() const;

    90 

    91     qreal playbackRate() const;

    92     void setPlaybackRate(qreal rate);

    93 

    94     QMap<QByteArray ,QVariant> tags() const { return m_tags; }

    95     QMap<QtMedia::MetaData,QVariant> streamProperties(int streamNumber) const { return m_streamProperties[streamNumber]; }

    96     int streamCount() const { return m_streamProperties.count(); }

    97     QMediaStreamsControl::StreamType streamType(int streamNumber) { return m_streamTypes.value(streamNumber, QMediaStreamsControl::UnknownStream); }

    98 

    99     int activeStream(QMediaStreamsControl::StreamType streamType) const;

   100     void setActiveStream(QMediaStreamsControl::StreamType streamType, int streamNumber);

   101 

   102     bool processSyncMessage(const QGstreamerMessage &message);

   103 

   104 public slots:

   105     void load(const QUrl &url);

   106 

   107     void play();

   108     void pause();

   109     void stop();

   110 

   111     void seek(qint64 pos);

   112 

   113     void setVolume(int volume);

   114     void setMuted(bool muted);

   115 

   116 signals:

   117     void durationChanged(qint64 duration);

   118     void positionChanged(qint64 position);

   119     void stateChanged(QMediaPlayer::State state);

   120     void mediaStatusChanged(QMediaPlayer::MediaStatus mediaStatus);

   121     void volumeChanged(int volume);

   122     void mutedStateChanged(bool muted);

   123     void audioAvailableChanged(bool audioAvailable);

   124     void videoAvailableChanged(bool videoAvailable);

   125     void bufferingChanged(bool buffering);

   126     void bufferingProgressChanged(int percentFilled);

   127     void playbackFinished();

   128     void tagsChanged();

   129     void streamsChanged();

   130     void seekableChanged(bool);

   131 

   132 private slots:

   133     void busMessage(const QGstreamerMessage &message);

   134     void getStreamsInfo();

   135     void setSeekable(bool);

   136 

   137 private:

   138     void setMediaStatus(QMediaPlayer::MediaStatus);

   139 

   140     QUrl m_url;

   141     QMediaPlayer::State m_state;

   142     QMediaPlayer::MediaStatus m_mediaStatus;

   143     QGstreamerBusHelper* m_busHelper;

   144     GstElement* m_playbin;

   145     GstElement* m_nullVideoOutput;

   146     GstBus* m_bus;

   147     QGstreamerVideoRendererInterface *m_renderer;

   148 

   149     QMap<QByteArray, QVariant> m_tags;

   150     QList< QMap<QtMedia::MetaData,QVariant> > m_streamProperties;

   151     QList<QMediaStreamsControl::StreamType> m_streamTypes;

   152     QMap<QMediaStreamsControl::StreamType, int> m_playbin2StreamOffset;

   153 

   154 

   155     int m_volume;

   156     qreal m_playbackRate;

   157     bool m_muted;

   158     bool m_audioAvailable;

   159     bool m_videoAvailable;

   160     bool m_seekable;

   161 

   162     qint64 m_lastPosition;

   163     qint64 m_duration;

   164 };

   165 

   166 #endif // QGSTREAMERPLAYERSESSION_H