os/mm/mmlibs/mmfw/Codecs/Src/MMFCodecCommon/MMFAudioPcm16ToPcmU16Codec.cpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
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// Copyright (c) 2003-2009 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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//
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#include "MMFAudioPcm16ToPcmU16Codec.h"
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/**
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*
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* Convert
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* @param aSrc
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* @param aDst
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* @param aSamples
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* Signed 16bit to Unsigned 16bit
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*/
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EXPORT_C void TMMFAudioPcm16ToPcmU16Codec::Convert(TUint8* aSrc, TUint8* aDst, TInt aSamples)
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	{
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	TInt s16;
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	while (aSamples--)
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		{ 
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		s16 = ((aSrc[1]<<8)+aSrc[0])-KMaskSign16bit;
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		*aDst++ = STATIC_CAST( TInt8, s16&KAndMask8bit);
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		*aDst++ = STATIC_CAST( TInt8, (s16>>8)&KAndMask8bit);
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		aSrc += 2;
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		}
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	}