Symaptic: os/mm/mmlibs/mmfw/Codecs/Inc/MMFCodecCommon/MMFAudioPcm16ToImaAdpcmCodec.h@260cb5ec6c19

     1 /*

     2 * Copyright (c) 2002-2005 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 */

    18 #ifndef __MMF_TMMFAUDIO_PCM16_TO_IMAADPCM_CODEC_H__

    19 #define __MMF_TMMFAUDIO_PCM16_TO_IMAASPCM_CODEC_H__

    20 #include <e32std.h>

    21 #include "MMFAudioCodecBase.h"

    22 #include "MMFImaAudioCodecState.h"

    24 /**

    25 *

    26 * TMMFAudioPcm16ToImaAdpcmCodec

    27 *

    28 */

    29 const TInt KImaAdpcmCodecIndexTableSize = 16;

    30 const TInt KImaAdpcmCodecStepTableSize = 89;

    32 /*

    33 *

    34 * class TMMFAudioPcm16ToImaAdpcmCodec

    35 *

    36 */

    37 class TMMFAudioPcm16ToImaAdpcmCodec : public TMMFAudioCodecBase

    38 	{

    39 public:

    40 	inline TMMFAudioPcm16ToImaAdpcmCodec();

    41 	IMPORT_C virtual void Convert(TUint8* aSrc, TUint8* aDst, TInt aSamples);

    42 	IMPORT_C void SetState(const TMMFImaAdpcmCodecState& aState);

    43 	IMPORT_C const TMMFImaAdpcmCodecState& GetState();

    44 private:

    45 	TMMFImaAdpcmCodecState iState;	//supports mono only

    46 private:

    47 	static const TInt KIndexTable[KImaAdpcmCodecIndexTableSize];

    48 	static const TInt KStepSizeTable[KImaAdpcmCodecStepTableSize];

    49 	TBool iBufferStep;

    50 	TInt iBuffer;

    51 	};

    53 inline TMMFAudioPcm16ToImaAdpcmCodec::TMMFAudioPcm16ToImaAdpcmCodec() : iBufferStep(ETrue), iBuffer(0) {}

    54 #endif //__MMF_TMMFAUDIO_PCM16_TO_IMAADPCM_CODEC_H__

author	sl
	Tue, 10 Jun 2014 14:32:02 +0200
changeset 1	260cb5ec6c19
permissions	-rw-r--r--