// Copyright (c) 1997-2009 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 MMFIMAADPCMTOPCM16CODEC_H

 #define MMFIMAADPCMTOPCM16CODEC_H

 #include "MMFCodecBaseDefinitions.h"

 #include "MMFAudioCodecBase.h"

 #include <mmf/server/devsoundstandardcustominterfaces.h>

 const TUint KMaxImaAdpcmBlockAlign = 2048;

 const TUint KImaAdpcmBitsPerSample = 4;

 //mono so iImaAdpcmTo16Pcm constructed with 1 (mono)

 class CMMFImaAdPcmPcm16Codec : public CMMFCodec, public MMMFDevSoundCustomInterfaceFileBlockLength

 	{

 public:

 	static CMMFCodec* NewL(TAny* aInitParams);

 	virtual ~CMMFImaAdPcmPcm16Codec();

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

 	void ConfigureL(TUid aConfigType, const TDesC8& aConfigData);

 	// from MMMFDevSoundCustomInterfaceFileBlockLength

 	void SetFileBlockLength(TUint aBlockAlign);

 protected:

 	virtual TInt Extension_(TUint aExtensionId, TAny*& aExtPtr, TAny*);	

 private:

 	CMMFImaAdPcmPcm16Codec();

 	void ConstructL(TAny* aInitParams);

 	virtual void ResetL();

 private:

 	//owned by the Datapath

 	const CMMFDataBuffer* iSrc;

 	CMMFDataBuffer* iDst;

 	TUint iTempSrcBufferCount;

 	TUint8* iTempSrcBufferPtr;

 	TUint8 iTempSrcBuffer[KMaxImaAdpcmBlockAlign];

 	TMMFImaAdpcmTo16PcmCodecOld iImaAdpcmTo16Pcm ;

 	TUint iLastFrameNumber;

 	// allow configuring sample rate

 	TUint iChannels;

 	TUint iSamplesRate;

 	TUint iSamplesPerBlock;

 	TUint iBlockAlign;

 	};

 #endif