1 // Copyright (c) 2002-2009 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 #ifndef __MMF_PCMS16_TO_PCMU16_HW_DEVICE_H__

    17 #define __MMF_PCMS16_TO_PCMU16_HW_DEVICE_H__

    18 

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

    20 #include "MMFAudioCodec.h"

    21 #include <mmfcodec/mmfaudiopcm16topcmu16codec.h>

    22 

    23 const TInt KPCM16ToPCMU16SourceBufferSize = 0x1000;

    24 const TInt KPCM16ToPCMU16SinkBufferSize   = KPCM16ToPCMU16SourceBufferSize; 

    25 

    26 /*

    27 *

    28 * class CMMFPcm16ToPcmU16HwDevice

    29 *

    30 */

    31 class CMMFPcm16ToPcmU16HwDevice : public CMMFSwCodecWrapper

    32 	{

    33 public:

    34 	static  CMMFPcm16ToPcmU16HwDevice* NewL();

    35 	virtual CMMFSwCodec& Codec();

    36 	~CMMFPcm16ToPcmU16HwDevice(); 

    37 private:

    38 	void ConstructL();

    39 	};

    40 

    41 /*

    42 *

    43 * class CMMFPcm16ToPcmU16CodecCodec converts Pcm16 to Pcm16 unsigned

    44 *

    45 */

    46 class CMMFPcm16ToPcmU16CodecCodec : public CMMFSwCodec

    47 	{

    48 public:

    49 	virtual TCodecProcessResult ProcessL(const CMMFBuffer& aSource, CMMFBuffer& aDest);

    50 	virtual TUint SourceBufferSize() {return KPCM16ToPCMU16SourceBufferSize;};

    51 	virtual TUint SinkBufferSize() {return KPCM16ToPCMU16SinkBufferSize;};

    52 private:

    53 	TBool CheckPreconditions( const CMMFDataBuffer* aSrcBuffer, CMMFDataBuffer* aDestBuffer );

    54 private:

    55 	TMMFAudioPcm16ToPcmU16Codec iAudioPcm16ToPcmU16;

    56 	};

    57 

    58 #endif //__MMF_PCMS16_TO_PCMU16_HW_DEVICE_H__

    59