1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/mm/mmlibs/mmfw/Codecs/Inc/MMFCodecCommon/MMFAudioSPcm16ToMuLawCodec.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,41 @@
     1.4 +/*
     1.5 +* Copyright (c) 2002-2003 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +* All rights reserved.
     1.7 +* This component and the accompanying materials are made available
     1.8 +* under the terms of "Eclipse Public License v1.0"
     1.9 +* which accompanies this distribution, and is available
    1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.11 +*
    1.12 +* Initial Contributors:
    1.13 +* Nokia Corporation - initial contribution.
    1.14 +*
    1.15 +* Contributors:
    1.16 +*
    1.17 +* Description:
    1.18 +*
    1.19 +*/
    1.20 +
    1.21 +#ifndef __MMF_TMMF_AUDIO_SPCM16_TO_MULAW_CODEC_H__
    1.22 +#define __MMF_TMMF_AUDIO_SPCM16_TO_MULAW_CODEC_H__
    1.23 +#include "MMFAudioCodecBase.h" 
    1.24 +
    1.25 +const TInt KMda16PcmToMulawExpLutSize = 256;
    1.26 +const TInt KMda16PcmToMulawClip		  = 32635;
    1.27 +const TInt KMda16PcmToMulawBias		  = 0x84;
    1.28 +
    1.29 +/*
    1.30 +*
    1.31 +* class TMMFAudioSPcm16ToMuLawCodec
    1.32 +*
    1.33 +*/
    1.34 +class TMMFAudioSPcm16ToMuLawCodec : public TMMFAudioCodecBase
    1.35 +	{
    1.36 +public:
    1.37 +	IMPORT_C virtual void Convert(TUint8* aSrc, TUint8* aDst, TInt aSamples);
    1.38 +private:
    1.39 +	TUint8 PcmSampleToMuLaw(TInt aPcm);
    1.40 +private:
    1.41 +	const static TInt8 KExpLut[KMda16PcmToMulawExpLutSize];
    1.42 +	};
    1.43 +
    1.44 +#endif //__MMF_TMMF_AUDIO_SPCM16_TO_MULAW_CODEC_H__