1 /*

     2 * Copyright (c) 2007-2009 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:

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef CLOGICALAUDIODEVICESINK_H

    21 #define CLOGICALAUDIODEVICESINK_H

    22 

    23 #include <e32base.h>

    24 #include <f32file.h>

    25 #include <a3f/a3f_trace_utils.h>

    26 #include "audioprocessingunit.h"

    27 

    28 class MLogicalSettingObserver;

    29 

    30 /**

    31 This is the implementation of CAudioSink API.

    32 

    33 @see CAudioComponent

    34 */

    35 NONSHARABLE_CLASS(CLogicalAudioDeviceSink) :	public CAudioProcessingUnit

    36 	{

    37 friend class CAudioContext;

    38 friend class CLogicalAudioStream;

    39 public:

    40 

    41 	/**

    42 	* Destructor.

    43 	*

    44 	* Deletes all objects and releases all resource owned by this instance.

    45 	*/

    46 	virtual ~CLogicalAudioDeviceSink();

    47 

    48 	// from base class CAudioProcessingUnit

    49 	virtual TBool IsTypeOf(TUid aTypeId) const;

    50 

    51 	/**

    52 	* Create a new instance.

    53 	*

    54 	* @return CAudioDeviceSink* a pointer to the created instance.

    55 	*/

    56 	static CLogicalAudioDeviceSink* NewL(TAny* aParam);

    57 

    58 private:

    59 

    60 	void ConstructL();

    61 

    62 	CLogicalAudioDeviceSink(TAny* aParam);

    63 	};

    64 

    65 #endif // C_LOGICALAUDIODEVICESINK_H