1 /*

     2 * Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 #ifndef CXEVIDEOCAPTURECONTROLSYMBIAN_H_

    18 #define CXEVIDEOCAPTURECONTROLSYMBIAN_H_

    19 

    20 #include <QTime>

    21 #include <QPixmap>

    22 #include <QString>

    23 #include <driveinfo.h>

    24 #include <videorecorder.h>

    25 

    26 #include "cxesettings.h"

    27 #include "cxequalitypresets.h"

    28 #include "cxequalitypresetssymbian.h"

    29 #include "cxestillimagesymbian.h"

    30 #include "cxevideocapturecontrol.h"

    31 #include "cxestatemachine.h"

    32 #include "cxenamespace.h"

    33 

    34 

    35 // forward declarations

    36 class CxeSettings;

    37 class CxeCameraDevice;

    38 class CxeQualityPresets;

    39 class CxeFilenameGenerator;

    40 class CxeViewfinderControl;

    41 class CxeSnapshotControl;

    42 class CxeStillImageSymbian;

    43 class CxeSoundPlayerSymbian;

    44 class CxeCameraDeviceControl;

    45 class CxeVideoRecorderUtility;

    46 class CxeDiskMonitor;

    47 

    48 

    49 class CxeVideoCaptureControlSymbian : public CxeVideoCaptureControl,

    50                                       public CxeStateMachine,

    51                                       public MVideoRecorderUtilityObserver

    52 {

    53     Q_OBJECT

    54 

    55 public:  // constructors

    56 

    57     CxeVideoCaptureControlSymbian(CxeCameraDevice &cameraDevice,

    58                                   CxeViewfinderControl &viewfinderControl,

    59                                   CxeSnapshotControl &snapshotControl,

    60                                   CxeCameraDeviceControl &cameraDeviceControl,

    61                                   CxeFilenameGenerator &nameGenerator,

    62                                   CxeSettings &settings,

    63                                   CxeQualityPresets &qualityPresets,

    64                                   CxeDiskMonitor &diskMonitor);

    65 

    66     virtual ~CxeVideoCaptureControlSymbian();

    67 

    68 public:  // functions from CxeVideoCaptureControl

    69     CxeVideoCaptureControl::State state() const;

    70     void record();

    71     void pause();

    72     void stop();

    73     void remainingTime(int &time);

    74     bool elapsedTime(int &time);

    75     void reset();

    76     QString filename() const;

    77     QPixmap snapshot() const;

    78     QList<CxeVideoDetails> supportedVideoQualities();

    79 

    80 public: // functions from MVideoRecorderUtilityObserver

    81     void MvruoOpenComplete(TInt aError);

    82     void MvruoPrepareComplete(TInt aError);

    83     void MvruoRecordComplete(TInt aError);

    84     void MvruoEvent(const TMMFEvent& aEvent);

    85 

    86 signals:

    87     void videoPrepareComplete(CxeError::Id error);

    88     void prepareZoomForVideo();

    89 

    90 protected: // from CxeStateMachine

    91     void handleStateChanged(int newStateId, CxeError::Id error);

    92 

    93 public slots:

    94     //! Notification for when camera device is ready and we're entering video mode

    95     void init();

    96     //! Notification for when we're exiting video mode

    97     void deinit();

    98     //! Notification that videocapture sound has been played

    99     void handleSoundPlayed();

   100     //! Snapshot has been received from adaptiation.

   101     void handleSnapshotReady(CxeError::Id status, const QImage &snapshot);

   102 

   103 protected slots:

   104     // notifications when ECam reference is changed

   105     void prepareForCameraDelete();

   106     void handleCameraAllocated(CxeError::Id error);

   107     void prepareForRelease();

   108     // settings call back

   109     void handleSettingValueChanged(const QString &settingId, QVariant newValue);

   110     // scene mode change

   111     void handleSceneChanged(const QVariant &scene);

   112     // Disk space change

   113     void handleDiskSpaceChanged();

   114     void hintUseCase();

   115 

   116 private: // helper methods

   117     void releaseResources();

   118     void initializeStates();

   119     void updateVideoCaptureParameters();

   120     void initVideoRecorder();

   121     void open();

   122     void prepare();

   123     void prepareSnapshot();

   124     virtual void createVideoRecorder();

   125     int calculateRemainingTime(const CxeVideoDetails &videoDetails);

   126     void updateRemainingRecordingTimeCounter();

   127     void generateFilename();

   128     void handlePrepareFailed();

   129     void handleComposeFailed(int error);

   130     void emulateNormalStopping();

   131 

   132 protected: // protected data

   133     //! Video Recorder

   134     CxeVideoRecorderUtility *mVideoRecorder;

   135 

   136 private: // private data

   137 

   138     //! Video Recorder controller UID.

   139     TUid mVideoControllerUid;

   140     //! Video Recorder format UID.

   141     TUid mVideoFormatUid;

   142     CxeCameraDevice &mCameraDevice;

   143     CxeCameraDeviceControl &mCameraDeviceControl;

   144     CxeViewfinderControl &mViewfinderControl;

   145     CxeSnapshotControl &mSnapshotControl;

   146     CxeFilenameGenerator &mFilenameGenerator;

   147     CxeSettings &mSettings;

   148     CxeQualityPresets &mQualityPresets;

   149     CxeDiskMonitor &mDiskMonitor;

   150     //! Snapshot image.

   151     QPixmap mSnapshot;

   152     //! Soundplayers, own

   153     CxeSoundPlayerSymbian *mVideoStartSoundPlayer;

   154     CxeSoundPlayerSymbian *mVideoStopSoundPlayer;

   155     //! Current video file name

   156     QString mCurrentFilename;

   157     //video resolutions supported by ICM

   158     QList<CxeVideoDetails> mIcmSupportedVideoResolutions;

   159     //current video quality details in use

   160     CxeVideoDetails mCurrentVideoDetails;

   161 };

   162 

   163 #endif /* CXEVIDEOCAPTURECONTROLSYMBIAN_H_ */