Symaptic: os/mm/devsound/devsoundrefplugin/src/plugin/audio/mmfpcmS8ToPcmS16HwDevice.h@bde4ae8d615e

     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 */

    19 #ifndef __MMF_PCMS8_TO_PCMS16_HW_DEVICE_H__

    20 #define __MMF_PCMS8_TO_PCMS16_HW_DEVICE_H__

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

    23 #include "MMFAudioCodec.h"

    24 #include "MMFAudioPcm8ToPcm16Codec.h"

    26 const TInt KPCM8ToPCM16SourceBufferSize = 0x0800;

    27 const TInt KPCM8ToPCM16SinkBufferSize = 0x1000; //sink buffer length is twice source

    29 /*

    30 *

    31 * class CMMFPcm8ToPcm16HwDevice

    32 *

    33 */

    34 class CMMFPcm8ToPcm16HwDevice : public CMMFSwCodecWrapper

    35 	{

    36 public:

    37 	static  CMMFPcm8ToPcm16HwDevice* NewL();

    38 	virtual CMMFSwCodec& Codec();

    39 	~CMMFPcm8ToPcm16HwDevice();

    40 private:

    41 	void ConstructL();

    42 	};

    44 /*

    45 *

    46 * class CMMFPcm8ToPcm16Codec converts pcm8 to pcm16

    47 *

    48 */

    49 class CMMFPcm8ToPcm16Codec : public CMMFSwCodec

    50 	{

    51 public:

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

    53 	virtual TUint SourceBufferSize() {return KPCM8ToPCM16SourceBufferSize;};

    54 	virtual TUint SinkBufferSize() {return KPCM8ToPCM16SinkBufferSize;};

    55 private:

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

    57 private:

    58 	TMMFAudioPcm8ToPcm16Codec iAudioPcm8ToPcm16 ;

    59 	};

    61 #endif //__MMF_PCMS8_TO_PCMS16_HW_DEVICE_H__

author	sl@SLION-WIN7.fritz.box
	Fri, 15 Jun 2012 03:10:57 +0200
changeset 0	bde4ae8d615e
permissions	-rw-r--r--