sl@0: // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // include\mmf\common\mmfutilitiespriv.h
sl@0: // 
sl@0: //
sl@0: 
sl@0: #ifndef MMFUTILITIESPRIV_H
sl@0: #define MMFUTILITIESPRIV_H
sl@0: 
sl@0: #include <mmf/common/mmfutilities.h>
sl@0: 
sl@0: #ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
sl@0: #include <mmf/common/mmfhelper.h>
sl@0: #endif
sl@0: 
sl@0: 
sl@0: class CChannelAndSampleRateConverter;
sl@0: 
sl@0: /*
sl@0: version of CMMFChannelAndSampleRateConverter that is implemented as adaptor to 
sl@0: CChannelAndSampleRateConverter class
sl@0: */
sl@0: NONSHARABLE_CLASS (CMMFForwardingChannelAndSampleRateConverter) : public CMMFChannelAndSampleRateConverter
sl@0: 	{
sl@0: public:
sl@0: 	static CMMFForwardingChannelAndSampleRateConverter* NewL(TInt aFromRate,TInt aFromChannels,
sl@0: 										    			      TInt aToRate,TInt aToChannels);
sl@0: 										    			     
sl@0: 	~CMMFForwardingChannelAndSampleRateConverter();
sl@0: 
sl@0: protected:
sl@0: 	CMMFForwardingChannelAndSampleRateConverter();
sl@0: 	void ConstructL(TInt aFromRate,TInt aFromChannels,
sl@0: 					TInt aToRate,TInt aToChannels);
sl@0: 					
sl@0: 	// from CMMFChannelAndSampleRateConverter
sl@0: 	TInt Convert(const CMMFDataBuffer& aSrcBuffer, CMMFDataBuffer& aDstBuffer);
sl@0: 	void Reset();
sl@0: 	TUint MaxConvertBufferSize(TUint aSrcBufferSize);
sl@0: 	
sl@0: private:
sl@0: 	CChannelAndSampleRateConverter* iRealConverter;
sl@0: 	};
sl@0: 
sl@0: #endif