--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmlibs/mmfw/Codecs/Inc/MMFCodecCommon/MMFAudioPcm16ToImaAdpcmCodec.h	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,54 @@
+/*
+* Copyright (c) 2002-2005 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 __MMF_TMMFAUDIO_PCM16_TO_IMAADPCM_CODEC_H__
+#define __MMF_TMMFAUDIO_PCM16_TO_IMAASPCM_CODEC_H__
+#include <e32std.h>
+#include "MMFAudioCodecBase.h"
+#include "MMFImaAudioCodecState.h"
+
+/**
+*
+* TMMFAudioPcm16ToImaAdpcmCodec 
+*
+*/
+const TInt KImaAdpcmCodecIndexTableSize = 16;
+const TInt KImaAdpcmCodecStepTableSize = 89;
+
+/*
+*
+* class TMMFAudioPcm16ToImaAdpcmCodec
+*
+*/
+class TMMFAudioPcm16ToImaAdpcmCodec : public TMMFAudioCodecBase
+	{
+public:
+	inline TMMFAudioPcm16ToImaAdpcmCodec();
+	IMPORT_C virtual void Convert(TUint8* aSrc, TUint8* aDst, TInt aSamples);
+	IMPORT_C void SetState(const TMMFImaAdpcmCodecState& aState);
+	IMPORT_C const TMMFImaAdpcmCodecState& GetState();
+private:
+	TMMFImaAdpcmCodecState iState;	//supports mono only
+private:
+	static const TInt KIndexTable[KImaAdpcmCodecIndexTableSize];
+	static const TInt KStepSizeTable[KImaAdpcmCodecStepTableSize];
+	TBool iBufferStep;
+	TInt iBuffer;
+	};
+
+inline TMMFAudioPcm16ToImaAdpcmCodec::TMMFAudioPcm16ToImaAdpcmCodec() : iBufferStep(ETrue), iBuffer(0) {}
+#endif //__MMF_TMMFAUDIO_PCM16_TO_IMAADPCM_CODEC_H__