1 /*

     2 * Copyright (c) 2007-2008 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:

    15 *

    16 */

    17 

    18 

    19 #ifndef BUFFERSINK_H

    20 #define BUFFERSINK_H

    21 

    22 #include <e32base.h>

    23 #include <f32file.h>

    24 

    25 #include "minputport.h"

    26 

    27 #include <a3f/mbuffersink.h>

    28 #include <a3f/a3f_trace_utils.h>

    29 

    30 

    31 /////

    32 //  This is the implementation of CAudioSink API.

    33 //

    34 //  @see CAudioComponent

    35 ///

    36 NONSHARABLE_CLASS(CBufferSink) : public CBase,

    37 								 public MInputPort,

    38 								 public MMMFBufferSink

    39 	{

    40 public:

    41 

    42 	/////

    43 	// Create a new instance.

    44 	//

    45 	// @return CBufferSink* a pointer to the created instance.

    46 	///

    47 	IMPORT_C static CBufferSink* NewL();

    48 

    49 	/////

    50 	// Destructor.

    51 	//

    52 	// Deletes all objects and releases all resource owned by this instance.

    53 	///

    54 	virtual ~CBufferSink();

    55 

    56 	// from class MInputPort

    57 	TInt GetInputPort(MInputPort*& aInputPort);

    58 	virtual TInt EmptyBuffer(CMMFBuffer* aBuffer, MOutputPort* aSupplier);

    59 	virtual TInt BufferFilled(CMMFBuffer* aBuffer);

    60 	virtual TInt SetOutput(MOutputPort* aOutput);

    61 	virtual TInt RemoveOutput(MOutputPort* aOutput);

    62 

    63 	// from class MMFBufferSink

    64 	virtual TInt SetDataConsumer(MMMFAudioDataConsumer& aConsumer);

    65 	virtual TInt BufferEmptied(CMMFBuffer* aBuffer);

    66 	virtual TInt BuffersDiscarded();

    67 

    68 private:

    69 

    70 	void ConstructL();

    71 

    72 	CBufferSink();

    73 

    74 	MMMFAudioDataConsumer*	iConsumer;

    75 

    76 	MOutputPort*			iOutput;

    77 

    78 	CMMFBuffer*				iBuffer;

    79 	};

    80 

    81 #endif // BUFFERSINK_H