/*

 * 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