/*
 * The copyright in this software is being made available under the 2-clauses
 * BSD License, included below. This software may be subject to other third
 * party and contributor rights, including patent rights, and no such rights
 * are granted under this license.
 *
 * Copyright (c) 2001-2003, David Janssens
 * Copyright (c) 2002-2003, Yannick Verschueren
 * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
 * Copyright (c) 2005, Herve Drolon, FreeImage Team
 * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
 * Copyright (c) 2006, Mónica Díez García, Image Processing Laboratory, University of Valladolid, Spain
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef __TCD_H
#define __TCD_H
/**
@file tcd.h
@brief Implementation of a tile coder/decoder (TCD)

The functions in TCD.C have for goal to encode or decode each tile independently from
each other. The functions in TCD.C are used by some function in JP3D.C.
*/

/** @defgroup TCD TCD - Implementation of a tile coder/decoder */
/*@{*/

/**
Tile coder/decoder: segment instance
*/
typedef struct opj_tcd_seg {
    /** Number of passes in the segment */
    int numpasses;
    /** Length of information */
    int len;
    /** Data */
    unsigned char *data;
    /** Number of passes possible for the segment */
    int maxpasses;
    /** Number of passes added to the segment */
    int numnewpasses;
    /** New length after inclusion of segments */
    int newlen;
} opj_tcd_seg_t;

/**
Tile coder/decoder: pass instance
*/
typedef struct opj_tcd_pass {
    /** Rate obtained in the pass*/
    int rate;
    /** Distorsion obtained in the pass*/
    double distortiondec;
    int term;
    /** Length of information */
    int len;
} opj_tcd_pass_t;

/**
Tile coder/decoder: layer instance
*/
typedef struct opj_tcd_layer {
    /** Number of passes in the layer */
    int numpasses;
    /** Length of information */
    int len;
    /** Distortion within layer */
    double disto;             /* add for index (Cfr. Marcela) */
    unsigned char *data;      /* data */
} opj_tcd_layer_t;

/**
Tile coder/decoder: codeblock instance
*/
typedef struct opj_tcd_cblk {
    /** Dimension of the code-blocks : left upper corner (x0, y0, z0) */
    int x0, y0, z0;
    /** Dimension of the code-blocks : right low corner (x1,y1,z1) */
    int x1, y1, z1;
    /** Number of bits per simbol in codeblock */
    int numbps;
    int numlenbits;
    int len;                      /* length */
    /** Number of pass already done for the code-blocks */
    int numpasses;
    /** number of pass added to the code-blocks */
    int numnewpasses;
    /** Number of segments */
    int numsegs;
    /** Segments information */
    opj_tcd_seg_t segs[100];
    /** Number of passes in the layer */
    int numpassesinlayers;
    /** Layer information */
    opj_tcd_layer_t layers[100];
    /** Total number of passes */
    int totalpasses;
    /** Information about the passes */
    opj_tcd_pass_t passes[100];
    /* Data */
    unsigned char data[524288];
    /*unsigned char *data;*/
} opj_tcd_cblk_t;

/**
Tile coder/decoder: precint instance
*/
typedef struct opj_tcd_precinct {
    /** Dimension of the precint : left upper corner (x0, y0, z0) */
    int x0, y0, z0;
    /** Dimension of the precint : right low corner (x1,y1,z1) */
    int x1, y1, z1;
    /** Number of codeblocks in precinct in width and height and length*/
    int cblkno[3];
    /** Information about the codeblocks */
    opj_tcd_cblk_t *cblks;
    /** Inclusion tree */
    opj_tgt_tree_t *incltree;
    /** Missing MSBs tree */
    opj_tgt_tree_t *imsbtree;
} opj_tcd_precinct_t;

/**
Tile coder/decoder: subband instance
*/
typedef struct opj_tcd_band {
    /** Dimension of the subband : left upper corner (x0, y0, z0) */
    int x0, y0, z0;
    /** Dimension of the subband : right low corner (x1,y1,z1) */
    int x1, y1, z1;
    /** Information about the precints */
    opj_tcd_precinct_t *precincts;    /* precinct information */
    /** Number of bits per symbol in band */
    int numbps;
    /** Quantization stepsize associated */
    float stepsize;
    /** Band orientation (O->LLL,...,7->HHH) */
    int bandno;
} opj_tcd_band_t;

/**
Tile coder/decoder: resolution instance
*/
typedef struct opj_tcd_resolution {
    /** Dimension of the resolution level : left upper corner (x0, y0, z0) */
    int x0, y0, z0;
    /** Dimension of the resolution level : right low corner (x1,y1,z1) */
    int x1, y1, z1;
    /** Number of precints in each dimension for the resolution level */
    int prctno[3];
    /** Number of subbands for the resolution level */
    int numbands;
    /** Subband information */
    opj_tcd_band_t *bands;
} opj_tcd_resolution_t;

/**
Tile coder/decoder: component instance
*/
typedef struct opj_tcd_tilecomp {
    /** Dimension of the component : left upper corner (x0, y0, z0) */
    int x0, y0, z0;
    /** Dimension of the component : right low corner (x1,y1,z1) */
    int x1, y1, z1;
    /** Number of resolutions level if DWT transform*/
    int numresolution[3];
    /** Resolution information */
    opj_tcd_resolution_t *resolutions;
    /** Data of the component */
    int *data;
    /** Fixed_quality related */
    int nbpix;
    /** Number of bits per voxel in component */
    int bpp;
} opj_tcd_tilecomp_t;

/**
Tile coder/decoder: tile instance
*/
typedef struct opj_tcd_tile {
    /** Dimension of the tile : left upper corner (x0, y0, z0) */
    int x0, y0, z0;
    /** Dimension of the tile : right low corner (x1,y1,z1) */
    int x1, y1, z1;
    /** Number of components in tile */
    int numcomps;
    /** Components information */
    opj_tcd_tilecomp_t *comps;
    /** Fixed_quality related : no of bytes of data*/
    int nbpix;
    /** Fixed_quality related : distortion achieved in tile */
    double distotile;
    /** Fixed_quality related : distortion achieved in each layer */
    double distolayer[100];
} opj_tcd_tile_t;

/**
Tile coder/decoder: volume instance
*/
typedef struct opj_tcd_volume {
    /** Number of tiles in width and height and length */
    int tw, th, tl;
    /** Tiles information */
    opj_tcd_tile_t *tiles;
} opj_tcd_volume_t;

/**
Tile coder/decoder
*/
typedef struct opj_tcd {
    /** Codec context */
    opj_common_ptr cinfo;
    /** Volume information */
    opj_volume_t *volume;
    /** Coding parameters */
    opj_cp_t *cp;
    /** Coding/decoding parameters common to all tiles */
    opj_tcp_t *tcp;
    /** Info on each volume tile */
    opj_tcd_volume_t *tcd_volume;
    /** Pointer to the current encoded/decoded tile */
    opj_tcd_tile_t *tcd_tile;
    /** Current encoded/decoded tile */
    int tcd_tileno;

    /**@name working variables */
    /*@{*/
    opj_tcd_tile_t *tile;
    opj_tcd_tilecomp_t *tilec;
    opj_tcd_resolution_t *res;
    opj_tcd_band_t *band;
    opj_tcd_precinct_t *prc;
    opj_tcd_cblk_t *cblk;
    /*@}*/
} opj_tcd_t;

/** @name Funciones generales */
/*@{*/
/* ----------------------------------------------------------------------- */

/**
Dump the content of a tcd structure
*/
void tcd_dump(FILE *fd, opj_tcd_t *tcd, opj_tcd_volume_t *img);
/**
Create a new TCD handle
@param cinfo Codec context info
@return Returns a new TCD handle if successful returns NULL otherwise
*/
opj_tcd_t* tcd_create(opj_common_ptr cinfo);
/**
Destroy a previously created TCD handle
@param tcd TCD handle to destroy
*/
void tcd_destroy(opj_tcd_t *tcd);
/**
Initialize the tile coder (allocate the memory)
@param tcd TCD handle
@param volume Raw volume
@param cp Coding parameters
@param curtileno Number that identifies the tile that will be encoded
*/
void tcd_malloc_encode(opj_tcd_t *tcd, opj_volume_t * volume, opj_cp_t * cp,
                       int curtileno);
/**
Initialize the tile coder (reuses the memory allocated by tcd_malloc_encode)(for 3D-DWT)
@param tcd TCD handle
@param volume Raw volume
@param cp Coding parameters
@param curtileno Number that identifies the tile that will be encoded
*/
void tcd_init_encode(opj_tcd_t *tcd, opj_volume_t * volume, opj_cp_t * cp,
                     int curtileno);
/**
Free the memory allocated for encoding
@param tcd TCD handle
*/
void tcd_free_encode(opj_tcd_t *tcd);
/**
Initialize the tile decoder
@param tcd TCD handle
@param volume Raw volume
@param cp Coding parameters
*/
void tcd_malloc_decode(opj_tcd_t *tcd, opj_volume_t * volume, opj_cp_t * cp);

void tcd_makelayer_fixed(opj_tcd_t *tcd, int layno, int final);
void tcd_rateallocate_fixed(opj_tcd_t *tcd);
void tcd_makelayer(opj_tcd_t *tcd, int layno, double thresh, int final);
bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len,
                      opj_volume_info_t * volume_info);
/**
Encode a tile from the raw volume into a buffer
@param tcd TCD handle
@param tileno Number that identifies one of the tiles to be encoded
@param dest Destination buffer
@param len Length of destination buffer
@param volume_info Creation of index file
@return
*/
int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len,
                    opj_volume_info_t * volume_info);
/**
Decode a tile from a buffer into a raw volume
@param tcd TCD handle
@param src Source buffer
@param len Length of source buffer
@param tileno Number that identifies one of the tiles to be decoded
*/
bool tcd_decode_tile(opj_tcd_t *tcd, unsigned char *src, int len, int tileno);
/**
Free the memory allocated for decoding
@param tcd TCD handle
*/
void tcd_free_decode(opj_tcd_t *tcd);

/* ----------------------------------------------------------------------- */
/*@}*/

/*@}*/

#endif /* __TCD_H */