/*

* 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:

*

*/

/**************************************************************************

  tool.h - Interface to AAC core structures.

  Author(s): Juha Ojanpera

  Copyright (c) 2000-2004 by Nokia Research Center, Speech and Audio Systems.

  *************************************************************************/

#ifndef    AACTOOL_H_

#define AACTOOL_H_

/*-- Project Headers. --*/

#include "nok_bits.h"

#include "dec_huf.h"

#include "aacdef.h"

/*

   Purpose:     LTP parameters for MPEG AAC.

   Explanation: - */

class CLTP_Info : public CBase

{

public:

    static CLTP_Info* NewL();

    ~CLTP_Info();

    /*-- Max. sfb's used for this channel. --*/

    int16 max_sfb;

    /*-- Codebook index. --*/

    uint8 cbIdx;

    /*-- Boolean flag to indicate the presence of LTP. --*/

    int16 ltp_present;

    /*-- LTP lag. --*/

    int16* delay;

    /*-- Prediction status for each sfb. --*/

    uint32 sfbflags[2];

private:

    CLTP_Info();

    void ConstructL();

};

/*

   Purpose:     Structure interface for AAC decoding tools.

   Explanation: - */

class CToolInfo : public CBase

{

public:

    static CToolInfo* NewL();

    ~CToolInfo();

    CLTP_Info *ltp;

    int16* quant;

private:

    void ConstructL();

    CToolInfo();

};

/*

   Purpose:     Structure interface for coupling channel.

   Explanation: - */

class CCInfo : public CBase

{

public:

    static CCInfo* NewL();

    ~CCInfo();

    CToolInfo* tool;

    CWindowInfo* winInfo;

private:

    CCInfo();

    void ConstructL();

};

/*

   Purpose:     Information about the audio channel.

   Explanation: - */

class TEleList

{

public:

  int16 num_ele;

  int16 ele_is_cpe[1 << LEN_TAG];

  int16 ele_tag[1 << LEN_TAG];

};

/*

   Purpose:     Mixing information for downmixing multichannel input

                into two-channel output.

   Explanation: - */

class TMIXdown

{

public:

  int16 present;

  int16 ele_tag;

  int16 pseudo_enab;

};

/*

   Purpose:     Program configuration element.

   Explanation: - */

class TProgConfig

{

public:

  int16 tag;

  int16 profile;

  int16 sample_rate_idx;

  BOOL pce_present;

  TEleList front;

  TEleList side;

  TEleList back;

  TEleList lfe;

  TEleList data;

  TEleList coupling;

  TMIXdown mono_mix;

  TMIXdown stereo_mix;

  TMIXdown matrix_mix;

  int16 num_comment_bytes;

};

#endif    /*-- AACTOOL_H_ --*/