1 /*

     2 * Copyright (c) 2002-2003 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 #ifndef __MMF_PCMU16_TO_PCM16_HW_DEVICE_H__

    19 #define __MMF_PCMU16_TO_PCM16_HW_DEVICE_H__

    20 

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

    22 #include "MMFAudioCodec.h"

    23 #include "MMFAudioU16ToS16PcmCodec.h"

    24 

    25 

    26 const TInt KPCMU16ToPCM16SourceBufferSize = 0x1000;

    27 const TInt KPCMU16ToPCM16SinkBufferSize = KPCMU16ToPCM16SourceBufferSize; 

    28 

    29 /*

    30 *

    31 * class CMMFPcmU16ToPcm16HwDevice

    32 *

    33 */

    34 class CMMFPcmU16ToPcm16HwDevice : public CMMFSwCodecWrapper

    35 	{

    36 public:

    37 	static  CMMFPcmU16ToPcm16HwDevice* NewL();

    38 	virtual CMMFSwCodec& Codec();

    39     ~CMMFPcmU16ToPcm16HwDevice(); 

    40 private:

    41 	void ConstructL();

    42 	};

    43 

    44 /*

    45 *

    46 * class CMMFPcmU16ToPcm16Codec converts Pcm16 Unsigned to Pcm16

    47 *

    48 */

    49 class CMMFPcmU16ToPcm16Codec : public CMMFSwCodec

    50 	{

    51 public:

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

    53 	virtual TUint SourceBufferSize() {return KPCMU16ToPCM16SourceBufferSize;};

    54 	virtual TUint SinkBufferSize() {return KPCMU16ToPCM16SourceBufferSize;};

    55 private:

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

    57 private:

    58 	TMMFAudioU16ToS16PcmCodec iAudioU16ToS16Pcm ;

    59 	};

    60 

    61 #endif //__MMF_PCMU16_TO_PCM16_HW_DEVICE_H__

    62