/*

* 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:

*

*/

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

  aacdef.h - Interface to AAC core structures.

  Author(s): Juha Ojanpera

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

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

#ifndef AACDEF_H_

#define AACDEF_H_

/*-- Project Headers. --*/

#include "chandefs.h"

#include "defines.h"

#include "dec_huf.h"

/*

   Purpose:     Structure interface for window parameters.

   Explanation: - */

class CWindowInfo : public CBase

{

public:

    static CWindowInfo* NewL();

    ~CWindowInfo();

    uint8 wnd;

    uint8 max_sfb;

    uint8 hasmask;

    uint8 predBands;

    PredType predType;

    int16 prstflag[2];

    Wnd_Shape wshape[2];

    uint8* group;//[NSHORT];

    uint8* mask;//[MAXBANDS];

    int16* sfac;//[MAXBANDS];

    uint8* cb_map;//[MAXBANDS];

    int16* lpflag;//[MAXBANDS];

private:

    void ConstructL();

    CWindowInfo();

};

/*

   Purpose:     Information about the audio channel.

   Explanation: - */

class TCh_Info

{

public:

    int16 present;         /* Channel present.                              */

    int16 num_bins;        /* # of active (i.e., nonzero) bins for this ch. */

    int16 tag;             /* Element tag.                                  */

    int16 cpe;             /* 0 if single channel, 1 if channel pair.       */

    int16 paired_ch;       /* Index of paired channel in cpe.               */

    int16 widx;            /* Window element index for this channel.        */

    BOOL is_present;       /* Intensity stereo is used.                     */

    BOOL pns_present;      /* PNS is used.                                  */

    BOOL tns_present;      /* TNS is used.                                  */

    BOOL parseCh;          /* TRUE if channel only parsed not decoded.      */

    int16 ncch;            /* Number of coupling channels for this ch.      */

    int16 cch[CChansD];    /* Coupling channel idx.                         */

    int16 cc_dom[CChansD]; /* Coupling channel domain.                      */

    int16 cc_ind[CChansD]; /* Independently switched coupling channel flag. */

    CInfo *info;            /* Block parameters for this channel.            */

    /*-- Huffman tables. --*/

    Huffman_DecInfo **huf;

    Huffman_DecSfInfo *sf_huf;

};

/*

   Purpose:     Channel mapping information.

   Explanation: - */

class CMC_Info : public CBase

{

public:

    static CMC_Info* NewL();

    ~CMC_Info();

    /*

    * Max number of supported main and coulping channels.

    */

    int16 maxnCh;

    int16 maxnCCh;

    /*

    * Audio channels (LFE, SCE, and CPE) up to 'maxnCh' will be decoded.

    * All the other channels will be only parsed. 'dummyCh' is therefore

    * the channel index into 'ch_info' structure which is used for the unused

    * audio channels. 'dummyCCh' identifies the channel index for unused CCE

    * channels.

    */

    int16 dummyCh;

    int16 dummyCCh;

    /*

    * This will be set to 1 when the channel limit has been reached.

    */

    int16 dummyAlways;

    /*

    * These members identify how many audio channels (LFE, SCE, CPE, CCE)

    * were found from the bitstream on a frame-by-frame basis.

    */

    int16 nch;

    int16 ncch;

    int16 cc_tag[1 << LEN_TAG]; /* Tags of valid CCE's.                           */

    int16 cc_ind[1 << LEN_TAG]; /* Independently switched CCE's.                  */

    uint8 profile;

    uint8 sfreq_idx;

    int16 cur_prog;

    int16 default_config;

    CSfb_Info* sfbInfo;

    TCh_Info ch_info[ChansD];

private:

    void ConstructL();

    CMC_Info();

};

/*

   Purpose:     Pulse noiseless coding.

   Explanation: - */

typedef struct PulseInfoStr

{

  int16 number_pulse;

  int16 pulse_start_sfb;

  int16 pulse_data_present;

  int16 pulse_amp[NUM_PULSE_LINES];

  int16 pulse_offset[NUM_PULSE_LINES];

  int16 pulse_position[NUM_PULSE_LINES];

} PulseInfo;

#endif /*-- AACDEF_H_ --*/