os/mm/mmlibs/mmfw/Codecs/Inc/MMFCodecCommon/MMFAudioALawToS16PcmCodec.h
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
     1 /*
     2 * Copyright (c) 2002-2003 Nokia Corporation and/or its subsidiary(-ies).
     3 * All rights reserved.
     4 * This component and the accompanying materials are made available
     5 * under the terms of "Eclipse Public License v1.0"
     6 * which accompanies this distribution, and is available
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
     8 *
     9 * Initial Contributors:
    10 * Nokia Corporation - initial contribution.
    11 *
    12 * Contributors:
    13 *
    14 * Description:
    15 *
    16 */
    17 
    18 #ifndef __MMF_TMMFAUDIO_ALAW_TO_S16PCM_CODEC_H__
    19 #define __MMF_TMMFAUDIO_ALAW_TO_S16PCM_CODEC_H__
    20 #include <e32std.h>
    21 #include "MMFAudioCodecBase.h"
    22 		   
    23 /*
    24 *
    25 * class TMMFAudioU8ToS16PcmCodec 
    26 *
    27 */
    28 const TInt KMdaAlawTo16PcmExpLutSize = 8;
    29 
    30 class TMMFAudioALawToS16PcmCodec : public TMMFAudioCodecBase
    31 	{
    32 public:
    33 	IMPORT_C virtual void Convert(TUint8* aSrc, TUint8* aDst, TInt aSamples);
    34 private:
    35 	TInt AlawSampleToPcm(TUint8 aAlaw);
    36 private:
    37 	const static TInt KExpLut[KMdaAlawTo16PcmExpLutSize];
    38 	};
    39 
    40 #endif //__MMF_TMMFAUDIO_ALAW_TO_S16PCM_CODEC_H__