author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 01:56:55 +0200 | |
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// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// src\plugin\Hwdevice\audio\MmfBtPcm16ToPcm16HwDevice.h |
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// |
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// |
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#ifndef __MMF_BT_PCM16_TO_PCM16_HW_DEVICE_H__ |
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#define __MMF_BT_PCM16_TO_PCM16_HW_DEVICE_H__ |
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#include <mmfbtswcodecwrapper.h> |
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#include <mdasound.h> |
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#include "../../../swcodecwrapper/mmfBtSwCodecDataPath.h" |
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//note we need to keep this buffer at 8K as the tone utility expects 8K |
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const TInt KPCM16ToPCM16BufferSize = 0x2000; |
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const TInt KDevSoundMinFrameSize = 0x800; //2K |
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const TInt KDevSoundMaxFrameSize = 0x4000; //16K |
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const TInt KDevSoundDeltaFrameSize = 0x800; //2K |
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const TInt KDevSoundFramesPerSecond = 4; |
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/* |
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* |
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* class CMMFPcm16ToPcm16HwDevice |
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* |
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*/ |
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class CMMFPcm16ToPcm16HwDevice : public CMMFSwCodecWrapper |
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{ |
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public: |
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static CMMFPcm16ToPcm16HwDevice* NewL(); |
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virtual CMMFSwCodec& Codec(); |
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~CMMFPcm16ToPcm16HwDevice(); |
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TUint CalculateBufferSize(); |
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private: |
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void ConstructL(); |
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}; |
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/* |
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* |
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* class CMMFPcm16ToPcm16Codec converts Pcm16 to pcm16 |
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* |
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*/ |
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class CMMFPcm16ToPcm16Codec : public CMMFSwCodec |
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{ |
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public: |
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virtual TCodecProcessResult ProcessL(const CMMFBuffer& /*aSource*/, CMMFBuffer& /*aDest*/); |
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// virtual TUint SourceBufferSize() {return KPCM16ToPCM16BufferSize;}; |
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// virtual TUint SinkBufferSize() {return KPCM16ToPCM16BufferSize;}; |
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virtual TUint SourceBufferSize(); |
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virtual TUint SinkBufferSize(); |
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virtual TBool IsNullCodec() {return ETrue;}; |
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void SetHwDevice(CMMFPcm16ToPcm16HwDevice* aHwDevice); |
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private: |
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TUint iBufferSize; |
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CMMFPcm16ToPcm16HwDevice* iHwDevice; |
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}; |
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#endif //__MMF_BT_PCM16_TO_PCM16_HW_DEVICE_H__ |
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