1 /*

     2 * Copyright (c) 2008-2009 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:    Utility for creating bitmaps from video files

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 /**

    22  * @internal reviewed 30/07/2007 by Simon Brooks

    23  */

    24 

    25 #ifndef GLXTNVIDEOUTILITY_H

    26 #define GLXTNVIDEOUTILITY_H

    27 

    28 #include <e32base.h>

    29 #ifdef ENABLE_VED

    30 #include <VedVideoClipInfo.h>

    31 #else

    32 #include <TNEVideoClipInfo.h>

    33 #endif

    34 

    35 class CFbsBitmap;

    36 

    37 /**

    38  * Utility for creating bitmaps from video files

    39  *

    40  * @author Dan Rhodes

    41  * @ingroup glx_thumbnail_creator

    42  */

    43 NONSHARABLE_CLASS( CGlxtnVideoUtility ) : public CBase,

    44 #ifdef ENABLE_VED

    45     public MVedVideoClipInfoObserver, public MVedVideoClipFrameObserver

    46 #else

    47     public MTNEVideoClipInfoObserver, public MTNEVideoClipThumbObserver

    48 #endif

    49     {

    50 public:

    51     /**

    52      * Default constructor.

    53      */

    54     CGlxtnVideoUtility();

    55     /**

    56      * Destructor.

    57      */

    58     ~CGlxtnVideoUtility();

    59 

    60     /**

    61      * Start asynchronous frame decoding.

    62      * @param aRequestStatus Request status for the asynchronous operation.

    63      * @param aDestination Bitmap in which to store the frame.

    64      * @param aFileName Full name of video file.

    65      */

    66     void GetVideoFrameL( TRequestStatus* aRequestStatus,

    67                         CFbsBitmap*& aDestination, const TDesC& aFileName,

    68                                 RArray<TSize>& aTargetSizes, TDisplayMode aMode );

    69     /**

    70      * Cancel asynchronous frame decoding.

    71      */

    72     void Cancel();

    73 

    74 #ifdef ENABLE_VED

    75 private:    // From MVedVideoClipInfoObserver

    76     void NotifyVideoClipInfoReady( CVedVideoClipInfo& aInfo, TInt aError );

    77 

    78 private:    // From MVedVideoClipFrameObserver

    79     void NotifyVideoClipFrameCompleted( CVedVideoClipInfo& aInfo,

    80                                         TInt aError, CFbsBitmap* aFrame );

    81 #else

    82 private:    // From MTNEVideoClipInfoObserver

    83     void NotifyVideoClipInfoReady( CTNEVideoClipInfo& aInfo, TInt aError );

    84 

    85 private:    // From MTNEVideoClipThumbObserver

    86     void NotifyVideoClipThumbCompleted( CTNEVideoClipInfo& aInfo, 

    87                                         TInt aError, CFbsBitmap* aFrame );

    88 #endif

    89 

    90 private:

    91 #ifdef ENABLE_VED

    92     CVedVideoClipInfo* iVideoInfo;

    93 #else

    94     CTNEVideoClipInfo* iVideoInfo;

    95 #endif

    96     /** Client's request status */

    97     TRequestStatus* iRequestStatus;

    98     /** Pointer to variable to hold returned frame */

    99     CFbsBitmap** iDestination;

   100     TSize iSize;

   101     TDisplayMode iDisplayMode;

   102     };

   103 

   104 #endif  // GLXTNVIDEOUTILITY_H