1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 

    17 #ifndef __PCM16_IMAADPCMSTEREO_CODEC_H__

    18 #define __PCM16_IMAADPCMSTEREO_CODEC_H__

    19 #include <mmf/server/mmfcodec.h>

    20 #include "MMFAudioPcm16ToImaAdpcmCodec.h"		  

    21 

    22 //this is almost the same as the mono IMA, expect i16PcmToImaAdpcm is construct with 2 Channels for Stereo

    23 class CMMFPcm16ImaAdPcmStereoCodec : public CMMFCodec

    24 	{

    25 public:

    26 	static CMMFCodec* NewL(TAny* aInitParams);

    27 	virtual ~CMMFPcm16ImaAdPcmStereoCodec();

    28 	TCodecProcessResult ProcessL(const CMMFBuffer& aSrc, CMMFBuffer& aDst);

    29 private:

    30 	CMMFPcm16ImaAdPcmStereoCodec();

    31 	void ConstructL(TAny* aInitParams);

    32 private:

    33 	//owned by the Datapath

    34 	const CMMFDataBuffer* iSrc;

    35 	CMMFDataBuffer* iDst;

    36 

    37 	TUint iTempSrcBufferCount;

    38 	TUint8* iTempSrcBufferPtr;

    39 	TUint8 iTempSrcBuffer[KImaAdpcmStereoTempBufferSize];

    40 	TMMFImaAdpcmTo16PcmCodecOld i16PcmToImaAdpcm;

    41 	TUint iLastFrameNumber;

    42 	};

    43 

    44 

    45 #endif