sl@0: /* sl@0: * Copyright (c) 2002-2003 Nokia Corporation and/or its subsidiary(-ies). sl@0: * All rights reserved. sl@0: * This component and the accompanying materials are made available sl@0: * under the terms of "Eclipse Public License v1.0" sl@0: * which accompanies this distribution, and is available sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html". sl@0: * sl@0: * Initial Contributors: sl@0: * Nokia Corporation - initial contribution. sl@0: * sl@0: * Contributors: sl@0: * sl@0: * Description: sl@0: * sl@0: */ sl@0: sl@0: #ifndef __MMF_TMMF_AUDIO_SPCM16_TO_MULAW_CODEC_H__ sl@0: #define __MMF_TMMF_AUDIO_SPCM16_TO_MULAW_CODEC_H__ sl@0: #include "MMFAudioCodecBase.h" sl@0: sl@0: const TInt KMda16PcmToMulawExpLutSize = 256; sl@0: const TInt KMda16PcmToMulawClip = 32635; sl@0: const TInt KMda16PcmToMulawBias = 0x84; sl@0: sl@0: /* sl@0: * sl@0: * class TMMFAudioSPcm16ToMuLawCodec sl@0: * sl@0: */ sl@0: class TMMFAudioSPcm16ToMuLawCodec : public TMMFAudioCodecBase sl@0: { sl@0: public: sl@0: IMPORT_C virtual void Convert(TUint8* aSrc, TUint8* aDst, TInt aSamples); sl@0: private: sl@0: TUint8 PcmSampleToMuLaw(TInt aPcm); sl@0: private: sl@0: const static TInt8 KExpLut[KMda16PcmToMulawExpLutSize]; sl@0: }; sl@0: sl@0: #endif //__MMF_TMMF_AUDIO_SPCM16_TO_MULAW_CODEC_H__