1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/mm/mmlibs/mmfw/Codecs/Src/MMFCodecCommon/MMFAudioPcm8ToPcm16Codec.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,40 @@
1.4 +// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +//
1.18 +
1.19 +#include "MMFAudioPcm8ToPcm16Codec.h"
1.20 +
1.21 +#include <e32base.h>
1.22 +#include <e32math.h>
1.23 +#include <f32file.h>
1.24 +#include <s32file.h>
1.25 +
1.26 +/**
1.27 +*
1.28 +* Convert
1.29 +* @param aSrc
1.30 +* @param aDst
1.31 +* @param aSamples
1.32 +* Signed 8bit to Signed 16bit
1.33 +*/
1.34 +EXPORT_C void TMMFAudioPcm8ToPcm16Codec::Convert(TUint8* aSrc, TUint8* aDst, TInt aSamples)
1.35 + {
1.36 + TInt16 s16;
1.37 + while (aSamples--)
1.38 + {
1.39 + s16 = static_cast<TInt16>((*aSrc++)<<8);
1.40 + *aDst++ = STATIC_CAST( TUint8, s16&KAndMask8bit);
1.41 + *aDst++ = STATIC_CAST( TUint8, (s16>>8)&KAndMask8bit);
1.42 + }
1.43 + }