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    41 

    42 #ifndef QT7PLAYERSESSION_H

    43 #define QT7PLAYERSESSION_H

    44 

    45 #include <QtCore/qobject.h>

    46 #include <QtCore/qset.h>

    47 

    48 #include <qmediaplayercontrol.h>

    49 #include <qmediaplayer.h>

    50 

    51 #include <QtGui/qmacdefines_mac.h>

    52 

    53 QT_BEGIN_NAMESPACE

    54 class QT7PlayerControl;

    55 class QMediaPlaylist;

    56 class QMediaPlaylistNavigator;

    57 class QT7VideoOutput;

    58 class QT7PlayerSession;

    59 class QT7PlayerService;

    60 

    61 

    62 class QT7PlayerSession : public QObject

    63 {

    64 Q_OBJECT

    65 public:

    66     QT7PlayerSession(QObject *parent = 0);

    67     ~QT7PlayerSession();

    68 

    69     void *movie() const;

    70 

    71     void setControl(QT7PlayerControl *control);

    72 

    73     void setVideoOutput(QT7VideoOutput *output);

    74 

    75     QMediaPlayer::State state() const;

    76     QMediaPlayer::MediaStatus mediaStatus() const;

    77 

    78     QMediaContent media() const;

    79     const QIODevice *mediaStream() const;

    80     void setMedia(const QMediaContent &content, QIODevice *stream);

    81 

    82     qint64 position() const;

    83     qint64 duration() const;

    84 

    85     int bufferStatus() const;

    86 

    87     int volume() const;

    88     bool isMuted() const;

    89 

    90     bool isAudioAvailable() const;

    91     bool isVideoAvailable() const;

    92 

    93     bool isSeekable() const;

    94 

    95     qreal playbackRate() const;

    96 

    97 public slots:

    98     void setPlaybackRate(qreal rate);

    99 

   100     void setPosition(qint64 pos);

   101 

   102     void play();

   103     void pause();

   104     void stop();

   105 

   106     void setVolume(int volume);

   107     void setMuted(bool muted);

   108 

   109     void processEOS();

   110     void processLoadStateChange();

   111     void processVolumeChange();

   112     void processNaturalSizeChange();

   113 

   114 signals:

   115     void positionChanged(qint64 position);

   116     void durationChanged(qint64 duration);

   117     void stateChanged(QMediaPlayer::State newState);

   118     void mediaStatusChanged(QMediaPlayer::MediaStatus status);

   119     void volumeChanged(int volume);

   120     void mutedChanged(bool muted);

   121     void audioAvailableChanged(bool audioAvailable);

   122     void videoAvailableChanged(bool videoAvailable);

   123     void error(int error, const QString &errorString);

   124 

   125 private:

   126     void openMovie(bool tryAsync);

   127 

   128     void *m_QTMovie;

   129     void *m_movieObserver;

   130 

   131     QMediaPlayer::State m_state;

   132     QMediaPlayer::MediaStatus m_mediaStatus;

   133     QIODevice *m_mediaStream;

   134     QMediaContent m_resources;

   135 

   136     QT7VideoOutput * m_videoOutput;

   137 

   138     mutable qint64 m_currentTime;

   139 

   140     bool m_muted;

   141     bool m_tryingAsync;

   142     int m_volume;

   143     qreal m_rate;

   144 

   145     qint64 m_duration;

   146     bool m_videoAvailable;

   147     bool m_audioAvailable;

   148 };

   149 

   150 QT_END_NAMESPACE

   151 

   152 #endif