/*

* Copyright (c) 2010 Ixonos Plc.

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - Initial contribution

*

* Contributors:

* Ixonos Plc

*

* Description:  

*

*/

#ifndef AACCONSTANTS_H

#define AACCONSTANTS_H

// length of a silent mono AAC frame

const TInt KSilentMonoAACFrameLenght = 6;

// silent mono AAC frame

const TUint8 KSilentMonoAACFrame[KSilentMonoAACFrameLenght] =

    {

    0,

    0,

    0,

    128,

    35,

    222

    };

// length of a silent stereo AAC frame

const TInt KSilentStereoAACFrameLenght = 8;

// silent stereo AAC frame

const TUint8 KSilentStereoAACFrame[KSilentStereoAACFrameLenght] =

    {

    33,

    0,

    64,

    0,

    4,

    0,

    0,

    71

    };

// a class to encapsule info needed by AAC frame handler

class TAACFrameHandlerInfo

    {

public:

    TUint8    iNumChannels; 

    TUint8    iNumCouplingChannels;

    TUint8    iSampleRateID;

    TUint8    iProfileID;

    TUint8    iIs960;

    TUint8  isSBR;

    TUint8    iIsParametricStereo;

    };

// AAC specific constants

enum

{

  SCE_ELEMENT = 0,

  CPE_ELEMENT = 1,

  LFE_ELEMENT = 3,

  LC_OBJECT   = 1,

  LTP_OBJECT  = 3,

  AAC_ADIF    = 0,

  AAC_ADTS    = 1,

  AAC_MP4     = 2,

  TNS_TOOL    = 1,

  LTP_TOOL    = 2,

  PNS_TOOL    = 4,

  MS_TOOL     = 8,

  IS_TOOL     = 16,

  SBR_TOOL    = 32,

  LAST_TOOL   = 32768

};

#endif