diff -r 000000000000 -r bde4ae8d615e os/mm/mmlibs/mmfw/src/Plugin/Codec/audio/GSM610/GSM610.H
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/mm/mmlibs/mmfw/src/Plugin/Codec/audio/GSM610/GSM610.H	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,154 @@
+// Copyright (c) 2000-2009 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 __GSM610_H__
+#define __GSM610_H__
+
+
+//*******************************************************************
+//* INCLUDE FILES:
+//*******************************************************************
+
+// Standard EPOC32 includes required by this header file
+#include <e32base.h>
+#include <mmf/server/mmfcodec.h>
+#include <mmf/server/mmfdatabuffer.h>
+#include <e32std.h>
+
+#include "gsm610fr.h"
+
+const TUint	KGsmEncodedFrameSize = 65;
+
+const TUint	KPcmEncodedFrameSize = 160*2;
+const TUint	KPcmInputFrameSize   = KPcmEncodedFrameSize*2;	// cache 2 frames
+
+
+// Internal to Symbian
+// Used to be TMMFPtr8 - useful aid to porting
+class TMMFPtr8 : public TPtr8
+	{
+public:
+	TMMFPtr8()
+		: TPtr8(0,0,0) {};
+	inline void Set(const TDes8& aDes)
+		{ TPtr8::Set((TUint8*)(aDes.Ptr()),aDes.Length(),aDes.MaxLength()); };
+	inline void SetLengthOnly(const TDes8& aDes)
+		{ TPtr8::Set((TUint8*)(aDes.Ptr()),aDes.Length(),aDes.Length()); };
+	inline void Set(const TPtrC8& aDes)
+		{ TPtr8::Set((TUint8*)(aDes.Ptr()),aDes.Length(),aDes.Length()); };
+	inline void Shift(TInt aOffset)
+		{ SetLength(Length()-aOffset); iMaxLength-=aOffset; iPtr+=aOffset; };
+	};
+
+//*******************************************************************
+//* GSM to 16 bit PCM Codec Class:
+//*******************************************************************
+
+class CGsmTo16PcmWavCodec : public CBase
+	{
+public:
+	CGsmTo16PcmWavCodec();
+	~CGsmTo16PcmWavCodec();
+
+	void ConstructL();
+
+	void Reset();
+	void ResetAllL();
+	void ProcessL(TMMFPtr8* aSrc, TMMFPtr8* aDst);
+
+private:
+	TUint    iOutBufferCount;
+	TUint8* iOutBufferPtr;
+	TUint8  iOutBuffer [KPcmInputFrameSize];
+	TUint    iInBufferCount;
+	TUint8* iInBufferPtr;
+	TUint8  iInBuffer [KGsmEncodedFrameSize];
+
+
+	CGSM610FR_Decoder* iGsmDecoder;
+	};
+
+
+//*******************************************************************
+//* 16 bit PCM to GSM Codec Class:
+//*******************************************************************
+
+class C16PcmToGsmWavCodec : public CBase
+	{
+public:
+	C16PcmToGsmWavCodec();
+	~C16PcmToGsmWavCodec();
+	void ConstructL();
+
+	void Reset();
+	void ResetAllL();
+	void ProcessL(TMMFPtr8* aSrc, TMMFPtr8* aDst);
+	
+private:
+	TUint    iOutBufferCount;
+	TUint8* iOutBufferPtr;
+	TUint8  iOutBuffer [KGsmEncodedFrameSize];
+	TUint    iInBufferCount;
+	TUint8* iInBufferPtr;
+	TUint8  iInBuffer [KPcmInputFrameSize];
+
+	CGSM610FR_Encoder* iGsmEncoder;
+
+	};
+
+class CMMFGsmTo16PcmCodec : public CMMFCodec
+	{
+public:
+	static CMMFCodec* NewL(TAny* aInitParams);
+	virtual ~CMMFGsmTo16PcmCodec();
+	TCodecProcessResult ProcessL(const CMMFBuffer& aSrc, CMMFBuffer& aDst);
+
+private:
+	CMMFGsmTo16PcmCodec();
+	void ConstructL(TAny* aInitParams);
+private:
+	//buffers owned by the datapath
+	const CMMFDataBuffer* iSrc;
+	CMMFDataBuffer* iDst;
+	TUint iLastFrameNumber;
+
+	//the real codec, CMMFGsmTo16PcmCodec is just a wrapper
+	CGsmTo16PcmWavCodec* iCodecPtr;
+	};
+
+
+class CMMF16PcmToGsmCodec : public CMMFCodec
+	{
+public:
+	static CMMFCodec* NewL(TAny* aInitParams);
+	virtual ~CMMF16PcmToGsmCodec();
+	TCodecProcessResult ProcessL(const CMMFBuffer& aSrc, CMMFBuffer& aDst);
+
+private:
+	CMMF16PcmToGsmCodec();
+	void ConstructL(TAny* aInitParams);
+private:
+	//buffers owned by the datapath
+	const CMMFDataBuffer* iSrc;
+	CMMFDataBuffer* iDst;
+	TUint iLastFrameNumber;
+
+	//the real codec, is CMMF16PcmToGsmCodec just a wrapper
+	C16PcmToGsmWavCodec* iCodecPtr;
+	};
+
+
+
+#endif