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 S60MEDIAPLAYERSESSION_H

    43 #define S60MEDIAPLAYERSESSION_H

    44 

    45 #include <QtCore/qobject.h>

    46 #include <QtCore/qurl.h>

    47 #include <QtCore/qpair.h>

    48 #include <QMediaPlayer>

    49 #include <e32cmn.h> // for TDesC

    50 #include "s60mediaplayerservice.h"

    51 

    52 QTM_BEGIN_NAMESPACE

    53 class QMediaTimeRange;

    54 QTM_END_NAMESPACE

    55 

    56 QTM_USE_NAMESPACE

    57 

    58 class QTimer;

    59 

    60 class S60MediaPlayerSession : public QObject

    61 {

    62     Q_OBJECT

    63 

    64 public:

    65     S60MediaPlayerSession(QObject *parent);

    66     virtual ~S60MediaPlayerSession();

    67 

    68     // for player control interface to use

    69     QMediaPlayer::State state() const;

    70     QMediaPlayer::MediaStatus mediaStatus() const;

    71     qint64 duration() const;

    72     qint64 position() const;

    73     void setPosition(qint64 pos);

    74     int volume() const;

    75     void setVolume(int volume);

    76     bool isMuted() const;

    77     void setMuted(bool muted);

    78     virtual bool isVideoAvailable() const = 0;

    79     virtual bool isAudioAvailable() const = 0;

    80     bool isSeekable() const;

    81     void play();

    82     void pause();

    83     void stop();

    84     

    85     bool isMetadataAvailable() const; 

    86     QVariant metaData(const QString &key) const;

    87     QMap<QString, QVariant> availableMetaData() const;

    88     

    89     void load(const QUrl &url);

    90     void loadUrl(const QUrl &url);

    91     

    92     int mediaLoadingProgress();

    93     

    94     bool mediaFileLocal() const;

    95     void setMediaFileLocal(bool localMediaFile);

    96     

    97     virtual void setVideoRenderer(QObject *renderer);

    98 

    99     void setMediaStatus(QMediaPlayer::MediaStatus);

   100     void setState(QMediaPlayer::State state);

   101     

   102 protected:    

   103     virtual void doLoadL(const TDesC &path) = 0;

   104     virtual void doLoadUrlL(const TDesC &path) = 0;

   105     virtual void doPlay() = 0;

   106     virtual void doStop() = 0;

   107     virtual void doPauseL() = 0;

   108     virtual void doSetVolumeL(int volume) = 0;

   109     virtual void doSetPositionL(qint64 microSeconds) = 0;

   110     virtual qint64 doGetPositionL() const = 0;

   111     virtual void updateMetaDataEntriesL() = 0;

   112     virtual int doGetMediaLoadingProgressL() const = 0;

   113     virtual int doGetDurationL() const = 0;

   114 

   115 protected:

   116     

   117     void setError(int error,  const QString &errorString = QString());

   118     void initComplete();

   119     void playComplete();

   120     QMap<QString, QVariant>& metaDataEntries();

   121     QMediaPlayer::Error fromSymbianErrorToMultimediaError(int error);

   122     

   123 protected slots:

   124     void tick();

   125     

   126 signals:

   127     void durationChanged(qint64 duration);

   128     void positionChanged(qint64 position);

   129     void stateChanged(QMediaPlayer::State state);

   130     void mediaStatusChanged(QMediaPlayer::MediaStatus mediaStatus);

   131     void videoAvailableChanged(bool videoAvailable);

   132     void bufferStatusChanged(int percentFilled);

   133     void seekableChanged(bool);     

   134     void availablePlaybackRangesChanged(const QMediaTimeRange&);

   135     void metaDataChanged();

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

   137 

   138 private:

   139     qreal m_playbackRate;

   140     QMap<QString, QVariant> m_metaDataMap;

   141     bool m_muted;

   142     int m_volume;

   143     QMediaPlayer::State m_state;

   144     QMediaPlayer::MediaStatus m_mediaStatus;

   145     QTimer *m_timer;

   146     int m_error;    

   147     bool m_localMediaFile;

   148     bool m_play_requested;

   149 };

   150 

   151 #endif