1 /*

     2 * Copyright (c) 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 

    18 #ifndef CXEVIDEOCAPTURECONTROLDESKTOP_H_

    19 #define CXEVIDEOCAPTURECONTROLDESKTOP_H_

    20 

    21 #include <QTime>

    22 #include <QPixmap>

    23 #include <QTimer>

    24 

    25 #include "cxesettings.h"

    26 #include "cxevideocapturecontrol.h"

    27 #include "cxestatemachine.h"

    28 #include "cxenamespace.h"

    29 

    30 

    31 // Custom command for setting a new filename without closing & reopening the controller

    32 enum TCamCControllerCustomCommands

    33     {

    34     ECamCControllerCCNewFilename = 0,

    35     ECamCControllerCCVideoStopAsync

    36     };

    37 

    38 

    39 // forward declarations

    40 class CxeCameraDeviceDesktop;

    41 class CxeQualityPresets;

    42 class CxeFilenameGenerator;

    43 class CxeViewfinderControl;

    44 class CxeCameraDeviceControl;

    45 

    46 

    47 class CxeVideoCaptureControlDesktop : public CxeVideoCaptureControl

    48 {

    49     Q_OBJECT

    50 

    51 public:  // constructors

    52 

    53     CxeVideoCaptureControlDesktop( CxeCameraDeviceDesktop &cameraDevice,

    54                                    CxeViewfinderControl &viewfinderControl,

    55                                    CxeCameraDeviceControl &cameraDeviceControl,

    56                                    CxeFilenameGenerator &nameGenerator,

    57                                    CxeQualityPresets &qualityPresets);

    58 

    59     virtual ~CxeVideoCaptureControlDesktop();

    60 

    61 public:  // functions from CxeVideoCaptureControl

    62     CxeVideoCaptureControl::State state() const;

    63     void record();

    64     void pause();

    65     void stop();

    66     void remainingTime(int &time);

    67     bool elapsedTime(int &time);

    68     void reset();

    69     QString filename() const;

    70     QPixmap snapshot() const;

    71     QList<CxeVideoDetails> supportedVideoQualities();

    72 

    73 public:  // public member functions, not in client API

    74     void handleSnapshotEvent(CxeError::Id error);

    75 

    76 signals:

    77     void videoPrepareComplete(CxeError::Id error);

    78     void prepareZoomForVideo();

    79 

    80 public slots:

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

    82     void init();

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

    84     void deinit();

    85     //! Notification that videocapture sound has been played

    86     void handleSoundPlayed();

    87 

    88 protected slots:

    89     // notifications when ECam reference is changed

    90     void prepareForCameraDelete();

    91     void handleCameraAllocated(CxeError::Id error);

    92     void prepareForRelease();

    93     // ECam events

    94     void handleCameraEvent(int eventUid, int error);

    95     // settings call back

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

    97     void handleSceneChanged(CxeScene &scene);

    98 

    99 private: // helper methods

   100     void releaseResources();

   101     void initializeStates();

   102     int prepareVideoSnapshot();

   103     void initVideoRecorder();

   104     void open();

   105     void prepare();

   106     void createVideoRecorder();

   107     void setupElapseTimer();

   108     void setState(CxeVideoCaptureControl::State stateId, CxeError::Id error = CxeError::None);

   109 

   110 private slots:

   111     void handleElapseTimeout();

   112 

   113 private: // private data

   114 

   115     CxeCameraDeviceDesktop &mCameraDevice;

   116     CxeCameraDeviceControl &mCameraDeviceControl;

   117     CxeViewfinderControl &mViewfinderControl;

   118     CxeFilenameGenerator &mFilenameGenerator;

   119     CxeQualityPresets &mQualityPresets;

   120     //! Snapshot image.

   121     QPixmap mSnapshot;

   122     //! New file name generated for the video prepare.

   123     QString mNewFileName;

   124     //! Current video file name

   125     QString mCurrentFilename;

   126     CxeVideoCaptureControl::State mState;

   127     //current video quality details in use

   128     CxeVideoDetails mCurrentVideoDetails;

   129     

   130     //timer for simulating elapsing time

   131     QTimer mRecordElapseTimer;

   132     

   133     //elapsed recording time in seconds

   134     int mElapsedTime;

   135 };

   136 

   137 #endif /* CXEVIDEOCAPTURECONTROLDESKTOP_H_ */