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    41 

    42 #ifndef QT7PLAYERSESSION_H

    43 #define QT7PLAYERSESSION_H

    44 

    45 #include <QtCore/qobject.h>

    46 #include <QtCore/qbytearray.h>

    47 #include <QtCore/qset.h>

    48 #include <QtCore/qresource.h>

    49 

    50 #include <qmediaplayercontrol.h>

    51 #include <qmediaplayer.h>

    52 

    53 #include <QtGui/qmacdefines_mac.h>

    54 

    55 

    56 QT_BEGIN_NAMESPACE

    57 

    58 class QT7PlayerControl;

    59 class QMediaPlaylist;

    60 class QMediaPlaylistNavigator;

    61 class QT7VideoOutput;

    62 class QT7PlayerSession;

    63 class QT7PlayerService;

    64 

    65 

    66 class QT7PlayerSession : public QObject

    67 {

    68     Q_OBJECT

    69 public:

    70     QT7PlayerSession(QObject *parent = 0);

    71     ~QT7PlayerSession();

    72 

    73     void *movie() const;

    74 

    75     void setControl(QT7PlayerControl *control);

    76 

    77     void setVideoOutput(QT7VideoOutput *output);

    78 

    79     QMediaPlayer::State state() const;

    80     QMediaPlayer::MediaStatus mediaStatus() const;

    81 

    82     QMediaContent media() const;

    83     const QIODevice *mediaStream() const;

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

    85 

    86     qint64 position() const;

    87     qint64 duration() const;

    88 

    89     int bufferStatus() const;

    90 

    91     int volume() const;

    92     bool isMuted() const;

    93 

    94     bool isAudioAvailable() const;

    95     bool isVideoAvailable() const;

    96 

    97     bool isSeekable() const;

    98 

    99     qreal playbackRate() const;

   100 

   101 public slots:

   102     void setPlaybackRate(qreal rate);

   103 

   104     void setPosition(qint64 pos);

   105 

   106     void play();

   107     void pause();

   108     void stop();

   109 

   110     void setVolume(int volume);

   111     void setMuted(bool muted);

   112 

   113     void processEOS();

   114     void processLoadStateChange();

   115     void processVolumeChange();

   116     void processNaturalSizeChange();

   117 

   118 signals:

   119     void positionChanged(qint64 position);

   120     void durationChanged(qint64 duration);

   121     void stateChanged(QMediaPlayer::State newState);

   122     void mediaStatusChanged(QMediaPlayer::MediaStatus status);

   123     void volumeChanged(int volume);

   124     void mutedChanged(bool muted);

   125     void audioAvailableChanged(bool audioAvailable);

   126     void videoAvailableChanged(bool videoAvailable);

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

   128 

   129 private:

   130     class ResourceHandler {

   131     public:

   132         ResourceHandler():resource(0) {}

   133         ~ResourceHandler() { clear(); }

   134         void setResourceFile(const QString &file) {

   135             if (resource) {

   136                 if (resource->fileName() == file)

   137                     return;

   138                 delete resource;

   139                 rawData.clear();

   140             }

   141             resource = new QResource(file);

   142         }

   143         bool isValid() const { return resource && resource->isValid() && resource->data() != 0; }

   144         const uchar *data() {

   145             if (!isValid())

   146                 return 0;

   147             if (resource->isCompressed()) {

   148                 if (rawData.size() == 0)

   149                     rawData = qUncompress(resource->data(), resource->size());

   150                 return (const uchar *)rawData.constData();

   151             }

   152             return resource->data();

   153         }

   154         qint64 size() {

   155             if (data() == 0)

   156                 return 0;

   157             return resource->isCompressed() ? rawData.size() : resource->size();

   158         }

   159         void clear() {

   160             delete resource;

   161             rawData.clear();

   162         }

   163         QResource *resource;

   164         QByteArray rawData;

   165     };

   166 

   167     void openMovie(bool tryAsync);

   168 

   169     void *m_QTMovie;

   170     void *m_movieObserver;

   171 

   172     QMediaPlayer::State m_state;

   173     QMediaPlayer::MediaStatus m_mediaStatus;

   174     QIODevice *m_mediaStream;

   175     QMediaContent m_resources;

   176     ResourceHandler m_resourceHandler;

   177 

   178     QT7VideoOutput * m_videoOutput;

   179 

   180     mutable qint64 m_currentTime;

   181 

   182     bool m_muted;

   183     bool m_tryingAsync;

   184     int m_volume;

   185     qreal m_rate;

   186 

   187     qint64 m_duration;

   188     bool m_videoAvailable;

   189     bool m_audioAvailable;

   190 };

   191 

   192 QT_END_NAMESPACE

   193 

   194 #endif