1 /*

     2 * Copyright (c) 2002 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:  This class implements FramePositioningControl for video player

    15 *

    16 */

    17 

    18 

    19 #ifndef CMMAVIDEOFRAMEPOSITIONINGCONTROL_H

    20 #define CMMAVIDEOFRAMEPOSITIONINGCONTROL_H

    21 

    22 //  INTERNAL INCLUDES

    23 #include "cmmavideoplayer.h"

    24 #include "cmmaframepositioningcontrol.h" // base class

    25 

    26 // CONSTANTS

    27 

    28 //  CLASS DECLARATION

    29 /**

    30 *   This class implements FramePositioningControl for video player

    31 */

    32 NONSHARABLE_CLASS(CMMAVideoFramePositioningControl) :

    33         public CMMAFramePositioningControl

    34 {

    35 public:

    36     static CMMAVideoFramePositioningControl* NewL(CMMAVideoPlayer* aPlayer);

    37 

    38     /**

    39      * Destructor.

    40      */

    41     ~CMMAVideoFramePositioningControl();

    42 

    43 protected:

    44     /**

    45      * Constructor.

    46      */

    47     CMMAVideoFramePositioningControl(CMMAVideoPlayer* aPlayer);

    48 

    49 public: // From CMMAFramePositioningControl

    50     TInt SeekL(TInt aFrameNumber);

    51     TInt SkipL(TInt aFramesToSkip);

    52     void MapFrameToTimeL(TInt aFrameNumber, TInt64* aMediaTime);

    53     TInt MapTimeToFrameL(TInt64* aMediaTime);

    54 

    55 private: // New methods

    56     /**

    57      * Get framerate of video and check that it is > 0 .

    58      */

    59     void GetAndCheckFrameRateL(TReal32& aFrameRate);

    60 

    61 private:

    62     CMMAVideoPlayer* iPlayer;

    63 

    64 };

    65 

    66 

    67 #endif // CMMAVIDEOFRAMEPOSITIONINGCONTROL_H