1 /*

     2 * Copyright (c) 2004 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:  interface for audio equalizer call back 

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef MAUDIOEQUALIZERCALLBACK_H

    22 #define MAUDIOEQUALIZERCALLBACK_H

    23 

    24 //  INCLUDES

    25 

    26 // CLASS DECLARATION

    27 

    28 

    29 /**

    30 *  Interface class to be implemented by objects that receives callbacks from equalizer Event Observer.

    31 *

    32 *  @since 3.0

    33 */

    34 class MAudioEqualizerCallback

    35     {

    36     public:

    37 

    38         /**

    39         * Invoked by the Audio Equalizer Event Observer when the equalizer object changes state

    40         * @since 3.0

    41         * @param aBuffer Buffer containing the equalizer data

    42         */

    43         virtual void AudioEqualizerEventL( TDesC8& aDataPckg ) = 0;

    44 

    45 

    46     };

    47 

    48 

    49 

    50 #endif      // MAUDIOEQUALIZERCALLBACK_H

    51 

    52 // End of File