sl@0: /*
sl@0: * Copyright (c) 1997-2002 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: *
sl@0: */
sl@0: 
sl@0: 
sl@0: 
sl@0: #ifndef __PCM16_IMAADPCM_CODEC_H__
sl@0: #define __PCM16_IMAADPCM_CODEC_H__
sl@0: 
sl@0: #include "MMFCodecBaseDefinitions.h"
sl@0: #include "MMFAudioCodecBase.h"
sl@0: 
sl@0: //mono IMA - i16PcmToImaAdpcm with 1 (mono)
sl@0: class CMMFPcm16ImaAdPcmCodec : public CMMFCodec
sl@0: 	{
sl@0: public:
sl@0: 	static CMMFCodec* NewL(TAny* aInitParams);
sl@0: 	virtual ~CMMFPcm16ImaAdPcmCodec();
sl@0: 	TCodecProcessResult ProcessL(const CMMFBuffer& aSrc, CMMFBuffer& aDst);
sl@0: private:
sl@0: 	CMMFPcm16ImaAdPcmCodec();
sl@0: 	void ConstructL(TAny* aInitParams);
sl@0: 
sl@0: 	virtual void ResetL();
sl@0: private:
sl@0: 	//owned by the Datapath
sl@0: 	const CMMFDataBuffer* iSrc;
sl@0: 	CMMFDataBuffer* iDst;
sl@0: 
sl@0: 	TUint iTempSrcBufferCount;
sl@0: 	TUint8* iTempSrcBufferPtr;
sl@0: 	TUint8 iTempSrcBuffer[KImaAdpcmTempBufferSize];
sl@0: 	TMMF16PcmToImaAdpcmCodecOld i16PcmToImaAdpcm;
sl@0: 	TUint iLastFrameNumber;
sl@0: 	};
sl@0: 
sl@0: 
sl@0: #endif