1 /*

     2 * Copyright (c) 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: Handles marker timer implementation 

    15 *

    16 */

    17 

    18 #ifndef CPOSITIONUPDATETIMER_H

    19 #define CPOSITIONUPDATETIMER_H

    20 

    21 #include <e32base.h>

    22 #include "openmaxalwrapper.h"

    23 

    24 class CMdaAudioPlayerUtility;

    25 class CVideoPlayerUtility2;

    26 

    27 NONSHARABLE_CLASS(CPositionUpdateTimer) : public CActive

    28     {

    29 public:

    30     // Construct/destruct

    31     static CPositionUpdateTimer* NewL(CMdaAudioPlayerUtility* aAudioPlayer,

    32                             CVideoPlayerUtility2* aVideoPlayer);

    33     ~CPositionUpdateTimer();

    34 

    35 public:

    36     void SetContext(TAny* aCtx);

    37     void SetPositionUpdatePeriod(XAmillisecond aPos);

    38     void SetCallbackEventMask(XAuint32 aMask);

    39     void RegisterCallback(xaPlayCallback aCallback);

    40     void UseAudioPlayer();

    41     void UseVideoPlayer();

    42     void ResetPlayer();

    43     TInt Start();

    44     void Stop();

    45 

    46 protected:

    47     // From CActive

    48     void RunL();

    49     void DoCancel();

    50     TInt RunError(TInt aError);

    51 

    52 private:

    53     CPositionUpdateTimer(CMdaAudioPlayerUtility* aAudioPlayer,

    54             CVideoPlayerUtility2* aVideoPlayer);

    55     void CostructL();

    56     TInt GetCurrentPlayPosition(TTimeIntervalMicroSeconds& aPos);

    57 

    58 private:

    59     RTimer iTimer;      // Has

    60     TAny* iCtx;

    61     CMdaAudioPlayerUtility* iAudioPlayer;

    62     CVideoPlayerUtility2* iVideoPlayer;

    63     CBase* iPlayerToUse;

    64     XAmillisecond iPositionUpdatePeriod;

    65     XAuint32 iCallbackEventMask;

    66     xaPlayCallback iCallback;

    67     TTimeIntervalMicroSeconds32 iDelay;

    68 	TBool iSyncToPlayHead;

    69 	TTimeIntervalMicroSeconds iSyncToPlayHeadStartPos;

    70     };

    71 

    72 #endif /* CPOSITIONUPDATETIMER_H */