1 /*

     2 * Copyright (c) 2006 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:  Mic stream to DevSound.

    15 *

    16 */

    17 

    18 

    19 #ifndef CSPMICROPHONE_H

    20 #define CSPMICROPHONE_H

    21 

    22 #include "cspdevsound.h" 

    23 

    24 /**

    25  *  Provides mic functionality.

    26  *

    27  */

    28 NONSHARABLE_CLASS( CSPMicrophone ): public CSPDevSound

    29     {

    30 

    31 public:

    32 

    33     static CSPMicrophone* NewL( MCSPDevSoundObserver& aObserver );

    34 

    35     virtual ~CSPMicrophone();

    36 

    37     /**

    38      * Determines mic mute state.

    39      *

    40     *

    41      * @return ETrue - mic is muted, EFalse - mic is not muted.

    42      */

    43     TBool IsMuted();

    44     

    45     /**

    46      * Set mic muted.

    47      *

    48     *

    49      */

    50     void SetMuted();

    51     

    52     /**

    53      * Set mic unmuted.

    54      *

    55     *

    56      */

    57     void SetUnmuted();

    58    

    59 // from base class MDevSoundObserver

    60 

    61     /**

    62      * From MDevSoundObserver

    63      * Notification from Devsound that stream (mic) is

    64      * activated successfully.

    65      *

    66     *

    67      */

    68     void BufferToBeEmptied( CMMFBuffer* aBuffer ); 

    69     

    70     /**

    71      * From MDevSoundObserver

    72      * Notification from devsound that downstream(mic) activation

    73      * feiled.

    74      *

    75     *

    76      */

    77     void RecordError( TInt aError );

    78     

    79 private:

    80     

    81 // from base class MCSPDevSound

    82     

    83     /**

    84      * From MCSPDevSound.

    85      * Tries to activate the mic stream.

    86      * 

    87     *

    88      */

    89     void DoActivateL();

    90 

    91 protected:

    92 

    93     CSPMicrophone( MCSPDevSoundObserver& aObserver );

    94 

    95     void ConstructL();

    96 

    97    };

    98 

    99 #endif // CSPMICROPHONE_H