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 

    19 #ifndef PHONON_MMF_VIDEOPLAYER_H

    20 #define PHONON_MMF_VIDEOPLAYER_H

    21 

    22 #include <videoplayer.h> // from epoc32/include

    23 

    24 #include "abstractmediaplayer.h"

    25 #include "videooutput.h"

    26 

    27 QT_BEGIN_NAMESPACE

    28 

    29 namespace Phonon

    30 {

    31 namespace MMF

    32 {

    33 /**

    34  * @short Wrapper over MMF video client utility

    35  *

    36  * See

    37  * <a href="http://wiki.forum.nokia.com/index.php/How_to_play_a_video_file_using_CVideoPlayerUtility">How to

    38  * play a video file using CVideoPlayerUtility</a>

    39  */

    40 class VideoPlayer : public AbstractMediaPlayer

    41                   , public MVideoPlayerUtilityObserver

    42                   , public MVideoLoadingObserver

    43 {

    44     Q_OBJECT

    45 

    46 public:

    47     VideoPlayer(MediaObject *parent = 0, const AbstractPlayer *player = 0);

    48     virtual ~VideoPlayer();

    49 

    50     typedef CVideoPlayerUtility NativePlayer;

    51     NativePlayer *nativePlayer() const;

    52 

    53     // AbstractPlayer

    54     virtual void doPlay();

    55     virtual void doPause();

    56     virtual void doStop();

    57     virtual void doSeek(qint64 milliseconds);

    58     virtual int setDeviceVolume(int mmfVolume);

    59     virtual int openFile(RFile& file);

    60     virtual int openUrl(const QString& url);

    61     virtual int bufferStatus() const;

    62     virtual void close();

    63 

    64     // MediaObjectInterface

    65     virtual bool hasVideo() const;

    66     virtual qint64 currentTime() const;

    67     virtual qint64 totalTime() const;

    68 

    69     // AbstractPlayer

    70     virtual void videoOutputChanged();

    71 

    72     // AbstractMediaPlayer

    73     virtual int numberOfMetaDataEntries() const;

    74     virtual QPair<QString, QString> metaDataEntry(int index) const;

    75 

    76 public Q_SLOTS:

    77     void videoWindowChanged();

    78     void aspectRatioChanged();

    79     void scaleModeChanged();

    80     void suspendDirectScreenAccess();

    81     void resumeDirectScreenAccess();

    82 

    83 private:

    84     void construct();

    85 

    86     void doPrepareCompleteL(TInt aError);

    87 

    88     void getVideoWindow();

    89     void initVideoOutput();

    90     void updateVideoRect();

    91 

    92     void applyPendingChanges();

    93     void applyVideoWindowChange();

    94 

    95     void startDirectScreenAccess();

    96     bool stopDirectScreenAccess();

    97 

    98 private:

    99     // MVideoPlayerUtilityObserver

   100     virtual void MvpuoOpenComplete(TInt aError);

   101     virtual void MvpuoPrepareComplete(TInt aError);

   102     virtual void MvpuoFrameReady(CFbsBitmap &aFrame, TInt aError);

   103     virtual void MvpuoPlayComplete(TInt aError);

   104     virtual void MvpuoEvent(const TMMFEvent &aEvent);

   105 

   106     // MVideoLoadingObserver

   107     virtual void MvloLoadingStarted();

   108     virtual void MvloLoadingComplete();

   109 

   110 private:

   111     QScopedPointer<NativePlayer>        m_player;

   112 

   113     // Not owned

   114     RWsSession&                         m_wsSession;

   115     CWsScreenDevice&                    m_screenDevice;

   116     RWindowBase*                        m_window;

   117 

   118     /* Extent of the video display - will be clipped to m_windowRect */

   119     TRect                               m_videoRect;

   120 

   121     TReal32                             m_scaleWidth;

   122     TReal32                             m_scaleHeight;

   123 

   124     QSize                               m_videoFrameSize;

   125     qint64                              m_totalTime;

   126 

   127     bool                                m_pendingChanges;

   128     bool                                m_dsaActive;

   129     bool                                m_dsaWasActive;

   130 

   131 };

   132 

   133 }

   134 }

   135 

   136 QT_END_NAMESPACE

   137 

   138 #endif