videditor/VideoEditorCommon/inc/VeiFrameTaker.h
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     1 /*
       
     2 * Copyright (c) 2010 Ixonos Plc.
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of the "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 * Ixonos Plc
       
    14 *
       
    15 * Description:  
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 #ifndef __FRAMETAKER_H
       
    21 #define __FRAMETAKER_H
       
    22 
       
    23 #include <vedmovie.h>
       
    24 
       
    25 class MVeiFrameTakerObserver
       
    26 	{
       
    27 
       
    28 public:
       
    29 
       
    30 	virtual void NotifyFramesCompleted( CFbsBitmap* aFirstFrame, CFbsBitmap* aLastFrame, 
       
    31         CFbsBitmap* aTimelineFrame, TInt aError ) = 0;
       
    32 	};
       
    33 
       
    34 
       
    35 NONSHARABLE_CLASS( CVeiFrameTaker ):	public CActive,
       
    36 										public MVedVideoClipFrameObserver
       
    37 
       
    38 {
       
    39 public:
       
    40     IMPORT_C static CVeiFrameTaker* NewL( MVeiFrameTakerObserver& aObserver );
       
    41     ~CVeiFrameTaker();
       
    42 
       
    43 public:
       
    44 	IMPORT_C void GetFramesL(CVedVideoClipInfo& aInfo,
       
    45 							TInt const aFirstFrame, TSize* const aFirstResolution, 
       
    46 							TInt const aLastFrame, TSize* const aLastResolution,
       
    47                             TInt const aTimelineFrame, TSize* const aTimelineResolution,
       
    48 							TInt aPriority);
       
    49 
       
    50 private:
       
    51 	CVeiFrameTaker( MVeiFrameTakerObserver& aObserver );
       
    52 	void ConstructL();
       
    53 
       
    54 	void DoCancel();
       
    55 	void RunL();
       
    56 
       
    57 	virtual void NotifyVideoClipFrameCompleted(CVedVideoClipInfo& aInfo, 
       
    58 											   TInt aError, 
       
    59 							 				   CFbsBitmap* aFrame);
       
    60 private:
       
    61 	CActiveSchedulerWait *iWaitScheduler;
       
    62 	CFbsBitmap*	iFirstFrame;
       
    63 	CFbsBitmap*	iLastFrame;
       
    64     CFbsBitmap*	iTimelineFrame;
       
    65 
       
    66 	TInt		iFrameCount;
       
    67 	TInt		iError;
       
    68 
       
    69 	MVeiFrameTakerObserver& iObserver;
       
    70 };
       
    71 #endif