os/mm/devsound/sounddevbt/src/Plugin/HwDevice/Audio/MmfBtPcmU16ToPcmS16HwDevice.h
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
     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_BT_PCMU16_TO_PCM16_HW_DEVICE_H__
    17 #define __MMF_BT_PCMU16_TO_PCM16_HW_DEVICE_H__
    18 
    19 #include <mmfbtswcodecwrapper.h>
    20 #include "MmfBtAudioCodec.h"
    21 #include "MMFAudioU16ToS16PcmCodec.h"
    22 
    23 
    24 const TInt KPCMU16ToPCM16SourceBufferSize = 0x1000;
    25 const TInt KPCMU16ToPCM16SinkBufferSize = KPCMU16ToPCM16SourceBufferSize; 
    26 
    27 /*
    28 *
    29 * class CMMFPcmU16ToPcm16HwDevice
    30 *
    31 */
    32 class CMMFPcmU16ToPcm16HwDevice : public CMMFSwCodecWrapper
    33 	{
    34 public:
    35 	static  CMMFPcmU16ToPcm16HwDevice* NewL();
    36 	virtual CMMFSwCodec& Codec();
    37     ~CMMFPcmU16ToPcm16HwDevice(); 
    38 private:
    39 	void ConstructL();
    40 	};
    41 
    42 /*
    43 *
    44 * class CMMFPcmU16ToPcm16Codec converts Pcm16 Unsigned to Pcm16
    45 *
    46 */
    47 class CMMFPcmU16ToPcm16Codec : public CMMFSwCodec
    48 	{
    49 public:
    50 	virtual TCodecProcessResult ProcessL(const CMMFBuffer& aSource, CMMFBuffer& aDest);
    51 	virtual TUint SourceBufferSize() {return KPCMU16ToPCM16SourceBufferSize;};
    52 	virtual TUint SinkBufferSize() {return KPCMU16ToPCM16SourceBufferSize;};
    53 private:
    54 	TBool CheckPreconditions( const CMMFDataBuffer* aSrcBuffer, CMMFDataBuffer* aDestBuffer );
    55 private:
    56 	TMMFAudioU16ToS16PcmCodec iAudioU16ToS16Pcm ;
    57 	};
    58 
    59 #endif //__MMF_BT_PCMU16_TO_PCM16_HW_DEVICE_H__
    60