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// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#ifndef MMFIMAADPCMTOPCM16CODEC_H
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#define MMFIMAADPCMTOPCM16CODEC_H
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#include "MMFCodecBaseDefinitions.h"
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#include "MMFAudioCodecBase.h"
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#include <mmf/server/devsoundstandardcustominterfaces.h>
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const TUint KMaxImaAdpcmBlockAlign = 2048;
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const TUint KImaAdpcmBitsPerSample = 4;
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//mono so iImaAdpcmTo16Pcm constructed with 1 (mono)
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class CMMFImaAdPcmPcm16Codec : public CMMFCodec, public MMMFDevSoundCustomInterfaceFileBlockLength
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{
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public:
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static CMMFCodec* NewL(TAny* aInitParams);
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virtual ~CMMFImaAdPcmPcm16Codec();
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TCodecProcessResult ProcessL(const CMMFBuffer& aSrc, CMMFBuffer& aDst);
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void ConfigureL(TUid aConfigType, const TDesC8& aConfigData);
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// from MMMFDevSoundCustomInterfaceFileBlockLength
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void SetFileBlockLength(TUint aBlockAlign);
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protected:
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virtual TInt Extension_(TUint aExtensionId, TAny*& aExtPtr, TAny*);
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private:
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CMMFImaAdPcmPcm16Codec();
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void ConstructL(TAny* aInitParams);
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virtual void ResetL();
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private:
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//owned by the Datapath
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const CMMFDataBuffer* iSrc;
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CMMFDataBuffer* iDst;
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TUint iTempSrcBufferCount;
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TUint8* iTempSrcBufferPtr;
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TUint8 iTempSrcBuffer[KMaxImaAdpcmBlockAlign];
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TMMFImaAdpcmTo16PcmCodecOld iImaAdpcmTo16Pcm ;
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TUint iLastFrameNumber;
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// allow configuring sample rate
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TUint iChannels;
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TUint iSamplesRate;
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TUint iSamplesPerBlock;
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TUint iBlockAlign;
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};
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#endif
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