1 /*

     2  * Copyright (c) 2008 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:  Observer for Jitter buffer.

    15  *

    16  */

    17 

    18 #ifndef JITTERBUFFER_OBS_H

    19 #define JITTERBUFFER_OBS_H

    20 

    21 class MJitterBufferObserver

    22     {

    23 public:

    24     enum TJBEvent

    25         {

    26         EGeneralError,

    27         EBufferUnderflow,

    28         EBufferOverflow,

    29         EBufferConsumed,

    30         EBufferReadyToPlay,

    31         EConcealErrorForNextBuffer

    32         };

    33 

    34     /**

    35      * Callback function to receive jitter buffer error events.

    36      */

    37     virtual void EventJB(TInt aEventType, TInt aError = KErrNone) = 0;

    38 

    39     /**

    40      * Callback function for codec reconfiguration for dynamic

    41      * buffer size adjustment.

    42      * @since S60 v5.0

    43      * @param aBufferSize Buffer size request in samples.

    44      *

    45      virtual void DynamicBufferChangeRequest(TInt aBufferSize) = 0;

    46      */

    47 

    48     };

    49 

    50 #endif  // JITTERBUFFER_OBS_H

    51 // End of file