1 // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // include\mmf\common\mmfutilitiespriv.h

    15 // 

    16 //

    17 

    18 #ifndef MMFUTILITIESPRIV_H

    19 #define MMFUTILITIESPRIV_H

    20 

    21 #include <mmf/common/mmfutilities.h>

    22 

    23 #ifdef SYMBIAN_ENABLE_SPLIT_HEADERS

    24 #include <mmf/common/mmfhelper.h>

    25 #endif

    26 

    27 

    28 class CChannelAndSampleRateConverter;

    29 

    30 /*

    31 version of CMMFChannelAndSampleRateConverter that is implemented as adaptor to 

    32 CChannelAndSampleRateConverter class

    33 */

    34 NONSHARABLE_CLASS (CMMFForwardingChannelAndSampleRateConverter) : public CMMFChannelAndSampleRateConverter

    35 	{

    36 public:

    37 	static CMMFForwardingChannelAndSampleRateConverter* NewL(TInt aFromRate,TInt aFromChannels,

    38 										    			      TInt aToRate,TInt aToChannels);

    39 										    			     

    40 	~CMMFForwardingChannelAndSampleRateConverter();

    41 

    42 protected:

    43 	CMMFForwardingChannelAndSampleRateConverter();

    44 	void ConstructL(TInt aFromRate,TInt aFromChannels,

    45 					TInt aToRate,TInt aToChannels);

    46 					

    47 	// from CMMFChannelAndSampleRateConverter

    48 	TInt Convert(const CMMFDataBuffer& aSrcBuffer, CMMFDataBuffer& aDstBuffer);

    49 	void Reset();

    50 	TUint MaxConvertBufferSize(TUint aSrcBufferSize);

    51 	

    52 private:

    53 	CChannelAndSampleRateConverter* iRealConverter;

    54 	};

    55 

    56 #endif