1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/mm/mmlibs/mmfw/src/Plugin/Codec/audio/MMFPcm16ToImaAdPcmCodec.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,51 @@
     1.4 +/*
     1.5 +* Copyright (c) 1997-2002 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +* All rights reserved.
     1.7 +* This component and the accompanying materials are made available
     1.8 +* under the terms of "Eclipse Public License v1.0"
     1.9 +* which accompanies this distribution, and is available
    1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.11 +*
    1.12 +* Initial Contributors:
    1.13 +* Nokia Corporation - initial contribution.
    1.14 +*
    1.15 +* Contributors:
    1.16 +*
    1.17 +* Description:
    1.18 +*
    1.19 +*/
    1.20 +
    1.21 +
    1.22 +
    1.23 +#ifndef __PCM16_IMAADPCM_CODEC_H__
    1.24 +#define __PCM16_IMAADPCM_CODEC_H__
    1.25 +
    1.26 +#include "MMFCodecBaseDefinitions.h"
    1.27 +#include "MMFAudioCodecBase.h"
    1.28 +
    1.29 +//mono IMA - i16PcmToImaAdpcm with 1 (mono)
    1.30 +class CMMFPcm16ImaAdPcmCodec : public CMMFCodec
    1.31 +	{
    1.32 +public:
    1.33 +	static CMMFCodec* NewL(TAny* aInitParams);
    1.34 +	virtual ~CMMFPcm16ImaAdPcmCodec();
    1.35 +	TCodecProcessResult ProcessL(const CMMFBuffer& aSrc, CMMFBuffer& aDst);
    1.36 +private:
    1.37 +	CMMFPcm16ImaAdPcmCodec();
    1.38 +	void ConstructL(TAny* aInitParams);
    1.39 +
    1.40 +	virtual void ResetL();
    1.41 +private:
    1.42 +	//owned by the Datapath
    1.43 +	const CMMFDataBuffer* iSrc;
    1.44 +	CMMFDataBuffer* iDst;
    1.45 +
    1.46 +	TUint iTempSrcBufferCount;
    1.47 +	TUint8* iTempSrcBufferPtr;
    1.48 +	TUint8 iTempSrcBuffer[KImaAdpcmTempBufferSize];
    1.49 +	TMMF16PcmToImaAdpcmCodecOld i16PcmToImaAdpcm;
    1.50 +	TUint iLastFrameNumber;
    1.51 +	};
    1.52 +
    1.53 +
    1.54 +#endif