/*

* Copyright (c) 1997-2002 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

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

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

#ifndef __PCM16_IMAADPCM_CODEC_H__

#define __PCM16_IMAADPCM_CODEC_H__

#include "MMFCodecBaseDefinitions.h"

#include "MMFAudioCodecBase.h"

//mono IMA - i16PcmToImaAdpcm with 1 (mono)

class CMMFPcm16ImaAdPcmCodec : public CMMFCodec

	{

public:

	static CMMFCodec* NewL(TAny* aInitParams);

	virtual ~CMMFPcm16ImaAdPcmCodec();

	TCodecProcessResult ProcessL(const CMMFBuffer& aSrc, CMMFBuffer& aDst);

private:

	CMMFPcm16ImaAdPcmCodec();

	void ConstructL(TAny* aInitParams);

	virtual void ResetL();

private:

	//owned by the Datapath

	const CMMFDataBuffer* iSrc;

	CMMFDataBuffer* iDst;

	TUint iTempSrcBufferCount;

	TUint8* iTempSrcBufferPtr;

	TUint8 iTempSrcBuffer[KImaAdpcmTempBufferSize];

	TMMF16PcmToImaAdpcmCodecOld i16PcmToImaAdpcm;

	TUint iLastFrameNumber;

	};

#endif