1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/mm/mmlibs/mmfw/Codecs/Src/MMFCodecCommon/MMFAudioPcmU16BeToPcmS16Codec.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,36 @@
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 "MMFAudioPcmU16BeToPcmS16Codec.h"
1.20 +
1.21 +/**
1.22 +*
1.23 +* Convert
1.24 +* @param aSrc
1.25 +* @param aDst
1.26 +* @param aSamples
1.27 +* Unsigned 16bit big-endian to Signed 16bit (little-endian)
1.28 +*/
1.29 +EXPORT_C void TMMFAudioPcmU16BeToPcmS16Codec::Convert(TUint8* aSrc, TUint8* aDst, TInt aSamples)
1.30 + {
1.31 + TInt s16;
1.32 + while (aSamples--)
1.33 + {
1.34 + s16 = ((aSrc[0]<<8)+aSrc[1])-KMaskSign16bit;
1.35 + *aDst++ = STATIC_CAST( TInt8, s16&KAndMask8bit);
1.36 + *aDst++ = STATIC_CAST( TInt8, (s16>>8)&KAndMask8bit);
1.37 + aSrc+=2;
1.38 + }
1.39 + }