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

    22  */

    23 

    24 #ifndef GLXTNVIDEOUTILITY_H

    25 #define GLXTNVIDEOUTILITY_H

    26 

    27 #include <e32base.h>

    28 #ifdef ENABLE_VED

    29 #include <VedVideoClipInfo.h>

    30 #else

    31 #include <TNEVideoClipInfo.h>

    32 #endif

    33 

    34 class CFbsBitmap;

    35 

    36 /**

    37  * Utility for creating bitmaps from video files

    38  *

    39  * @author Dan Rhodes

    40  * @ingroup glx_thumbnail_creator

    41  */

    42 NONSHARABLE_CLASS( CGlxtnVideoUtility ) : public CBase,

    43 #ifdef ENABLE_VED

    44     public MVedVideoClipInfoObserver, public MVedVideoClipFrameObserver

    45 #else

    46     public MTNEVideoClipInfoObserver, public MTNEVideoClipThumbObserver

    47 #endif

    48     {

    49 public:

    50     /**

    51      * Default constructor.

    52      */

    53     CGlxtnVideoUtility();

    54     /**

    55      * Destructor.

    56      */

    57     ~CGlxtnVideoUtility();

    58 

    59     /**

    60      * Start asynchronous frame decoding.

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

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

    63      * @param aFileName Full name of video file.

    64      */

    65     void GetVideoFrameL( TRequestStatus* aRequestStatus,

    66                         CFbsBitmap*& aDestination, const TDesC& aFileName,

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

    68     /**

    69      * Cancel asynchronous frame decoding.

    70      */

    71     void Cancel();

    72 

    73 #ifdef ENABLE_VED

    74 private:    // From MVedVideoClipInfoObserver

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

    76 

    77 private:    // From MVedVideoClipFrameObserver

    78     void NotifyVideoClipFrameCompleted( CVedVideoClipInfo& aInfo,

    79                                         TInt aError, CFbsBitmap* aFrame );

    80 #else

    81 private:    // From MTNEVideoClipInfoObserver

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

    83 

    84 private:    // From MTNEVideoClipThumbObserver

    85     void NotifyVideoClipThumbCompleted( CTNEVideoClipInfo& aInfo, 

    86                                         TInt aError, CFbsBitmap* aFrame );

    87 #endif

    88 

    89 private:

    90 #ifdef ENABLE_VED

    91     CVedVideoClipInfo* iVideoInfo;

    92 #else

    93     CTNEVideoClipInfo* iVideoInfo;

    94 #endif

    95     /** Client's request status */

    96     TRequestStatus* iRequestStatus;

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

    98     CFbsBitmap** iDestination;

    99     TSize iSize;

   100     TDisplayMode iDisplayMode;

   101     };

   102 

   103 #endif  // GLXTNVIDEOUTILITY_H