diff -r 000000000000 -r 79dd3e2336a0 devsound/devsoundrefplugin/src/plugin/audio/MmfImaAdpcmtopcm16hwdevice.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devsound/devsoundrefplugin/src/plugin/audio/MmfImaAdpcmtopcm16hwdevice.h	Fri Oct 08 19:40:43 2010 +0100
@@ -0,0 +1,74 @@
+// Copyright (c) 2002-2009 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 MMFIMAADPCMTOPCM16HWDEVICE_H
+#define MMFIMAADPCMTOPCM16HWDEVICE_H
+#include <mmf/server/mmfswcodecwrapper.h>
+#include <mmfcodec/mmfaudiocodecbase.h>
+#include <mmfcodec/mmfaudioimaadpcmtos16pcmcodec.h>
+#include <mmf/server/devsoundstandardcustominterfaces.h>
+
+const TInt KImaToPCM16SrcBufferSize  = 1024;
+const TInt KImaToPCM16SinkBufferSize = 4096;
+
+/*
+*
+* class CMMFImaAdpcmToPcm16CodecHwDevice 
+*
+*/
+class CMMFImaAdpcmToPcm16CodecHwDevice : public CMMFSwCodecWrapper, public MMMFDevSoundCustomInterfaceFileBlockLength
+	{
+public:
+	static  CMMFImaAdpcmToPcm16CodecHwDevice* NewL();
+	virtual CMMFSwCodec& Codec();
+	~CMMFImaAdpcmToPcm16CodecHwDevice(); 
+	virtual TInt Start(TDeviceFunc aFuncCmd, TDeviceFlow aFlowCmd);
+private:
+	void SetFileBlockLength(TUint aBlockAlign);
+	TAny* CustomInterface(TUid aInterfaceId);
+private:
+	void ConstructL();
+
+private:
+	TUint iBlockAlign;
+	};
+
+
+/*
+*
+* class CMMFMulawToPcm16Codec coverts Imaad to PCM16
+*  
+*/
+class CMMFImaAdpcmToPcm16Codec : public CMMFSwCodec
+	{
+public:
+	CMMFImaAdpcmToPcm16Codec();
+	virtual TCodecProcessResult ProcessL(const CMMFBuffer& aSource, CMMFBuffer& aDest);
+	virtual TUint SourceBufferSize() {return KImaToPCM16SrcBufferSize;}
+	virtual TUint SinkBufferSize() {return KImaToPCM16SinkBufferSize;}
+	TInt Configure(TUint aChannels, TUint aSampleRate, TUint aBlockAlign = 0);
+private:
+	TBool CheckPreconditions( const CMMFDataBuffer* aSrcBuffer, CMMFDataBuffer* aDestBuffer );
+private:
+	TMMFAudioImaAdpcmToS16PcmCodec iImaAdpcmTo16Pcm;
+	
+private:
+	TUint iChannels;
+	TUint iSampleRate;
+	TUint iBlockAlign;
+	TUint iSamplesPerBlock;
+	};
+
+#endif //MMFIMAADPCMTOPCM16HWDEVICE_H