/*
 * 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, LPI-UVA, 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.
 */

#include "opj_includes.h"

void tcd_dump(FILE *fd, opj_tcd_t *tcd, opj_tcd_volume_t * vol)
{
    int tileno, compno, resno, bandno, precno, cblkno;

    fprintf(fd, "volume {\n");
    fprintf(fd, "  tw=%d, th=%d, tl=%d, x0=%d x1=%d y0=%d y1=%d z0=%d z1=%d\n",
            vol->tw, vol->th, vol->tl, tcd->volume->x0, tcd->volume->x1, tcd->volume->y0,
            tcd->volume->y1, tcd->volume->z0, tcd->volume->z1);

    for (tileno = 0; tileno < vol->th * vol->tw * vol->tl; tileno++) {
        opj_tcd_tile_t *tile = &tcd->tcd_volume->tiles[tileno];
        fprintf(fd, "  tile {\n");
        fprintf(fd, "    x0=%d, y0=%d, z0=%d, x1=%d, y1=%d, z1=%d, numcomps=%d\n",
                tile->x0, tile->y0, tile->z0, tile->x1, tile->y1, tile->z1, tile->numcomps);
        for (compno = 0; compno < tile->numcomps; compno++) {
            opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
            fprintf(fd, "    tilecomp %d {\n", compno);
            fprintf(fd,
                    "     x0=%d, y0=%d, z0=%d, x1=%d, y1=%d, z1=%d, numresx=%d, numresy=%d, numresz=%d\n",
                    tilec->x0, tilec->y0, tilec->z0, tilec->x1, tilec->y1, tilec->z1,
                    tilec->numresolution[0], tilec->numresolution[1], tilec->numresolution[2]);
            for (resno = 0; resno < tilec->numresolution[0]; resno++) {
                opj_tcd_resolution_t *res = &tilec->resolutions[resno];
                fprintf(fd, "     res %d{\n", resno);
                fprintf(fd,
                        "      x0=%d, y0=%d, z0=%d, x1=%d, y1=%d, z1=%d, pw=%d, ph=%d, pl=%d, numbands=%d\n",
                        res->x0, res->y0, res->z0, res->x1, res->y1, res->z1, res->prctno[0],
                        res->prctno[1], res->prctno[2], res->numbands);
                for (bandno = 0; bandno < res->numbands; bandno++) {
                    opj_tcd_band_t *band = &res->bands[bandno];
                    fprintf(fd, "       band %d{\n", bandno);
                    fprintf(fd,
                            "		 x0=%d, y0=%d, z0=%d, x1=%d, y1=%d, z1=%d, stepsize=%f, numbps=%d\n",
                            band->x0, band->y0, band->z0, band->x1, band->y1, band->z1, band->stepsize,
                            band->numbps);
                    for (precno = 0; precno < (res->prctno[0] * res->prctno[1] * res->prctno[2]);
                            precno++) {
                        opj_tcd_precinct_t *prec = &band->precincts[precno];
                        fprintf(fd, "		  prec %d{\n", precno);
                        fprintf(fd,
                                "		   x0=%d, y0=%d, z0=%d, x1=%d, y1=%d, z1=%d, cw=%d, ch=%d, cl=%d,\n",
                                prec->x0, prec->y0, prec->z0, prec->x1, prec->y1, prec->z1, prec->cblkno[0],
                                prec->cblkno[1], prec->cblkno[2]);
                        for (cblkno = 0; cblkno < (prec->cblkno[0] * prec->cblkno[1] * prec->cblkno[2]);
                                cblkno++) {
                            opj_tcd_cblk_t *cblk = &prec->cblks[cblkno];
                            fprintf(fd, "		    cblk %d{\n", cblkno);
                            fprintf(fd, "		     x0=%d, y0=%d, z0=%d, x1=%d, y1=%d, z1=%d\n", cblk->x0,
                                    cblk->y0, cblk->z0, cblk->x1, cblk->y1, cblk->z1);
                            fprintf(fd, "            }\n");
                        }
                        fprintf(fd, "          }\n");
                    }
                    fprintf(fd, "        }\n");
                }
                fprintf(fd, "      }\n");
            }
            fprintf(fd, "    }\n");
        }
        fprintf(fd, "  }\n");
    }
    fprintf(fd, "}\n");
}

static void tilec_dump(FILE *fd, opj_tcd_tilecomp_t *tilec)
{

    int i = 0, k;
    int datalen;
    int *a;

    fprintf(fd, "    tilecomp{\n");
    fprintf(fd,
            "     x0=%d, y0=%d, z0=%d, x1=%d, y1=%d, z1=%d, numresx=%d, numresy=%d, numresz=%d\n",
            tilec->x0, tilec->y0, tilec->z0, tilec->x1, tilec->y1, tilec->z1,
            tilec->numresolution[0], tilec->numresolution[1], tilec->numresolution[2]);
    fprintf(fd, "     data {\n");
    datalen = (tilec->z1 - tilec->z0) * (tilec->y1 - tilec->y0) *
              (tilec->x1 - tilec->x0);
    a = tilec->data;
    for (k = 0; k < datalen; k++) {
        if (!(k % tilec->x1)) {
            fprintf(fd, "\n");
        }
        if (!(k % (tilec->y1 * tilec->x1))) {
            fprintf(fd, "Slice %d\n", i++);
        }
        fprintf(fd, " %d", a[k]);


    }
    fprintf(fd, "     }\n");
    /*i=0;
    fprintf(fd, "Slice %d\n");
    if (tilec->prediction->prederr) {
        fprintf(fd, "     prederror {\n");
        a = tilec->prediction->prederr;
        for (k = 0; k < datalen; k++) {
            fprintf(fd," %d",*(a++));
            if (!(k % (tilec->y1 - tilec->y0) * (tilec->x1 - tilec->x0))){
                fprintf(fd, "\n");fprintf(fd, "Slice %d\n",i++);
            }
            if (!(k % (tilec->x1 - tilec->x0))){
                fprintf(fd, "\n");
            }
        }
    }
    fprintf(fd, "     }\n");*/
    fprintf(fd, "}\n");
}

/* ----------------------------------------------------------------------- */

/**
Create a new TCD handle
*/
opj_tcd_t* tcd_create(opj_common_ptr cinfo)
{
    /* create the tcd structure */
    opj_tcd_t *tcd = (opj_tcd_t*)opj_malloc(sizeof(opj_tcd_t));
    if (!tcd) {
        return NULL;
    }
    tcd->cinfo = cinfo;
    tcd->tcd_volume = (opj_tcd_volume_t*)opj_malloc(sizeof(opj_tcd_volume_t));
    if (!tcd->tcd_volume) {
        opj_free(tcd);
        return NULL;
    }

    return tcd;
}

/**
Destroy a previously created TCD handle
*/
void tcd_destroy(opj_tcd_t *tcd)
{
    if (tcd) {
        opj_free(tcd->tcd_volume);
        opj_free(tcd);
    }
}

/* ----------------------------------------------------------------------- */
void tcd_malloc_encode(opj_tcd_t *tcd, opj_volume_t * volume, opj_cp_t * cp,
                       int curtileno)
{
    int compno, resno, bandno, precno, cblkno, i, j;/*, k;*/

    opj_tcd_tile_t      *tile = NULL;       /* pointer to tcd->tile */
    opj_tcd_tilecomp_t  *tilec = NULL;      /* pointer to tcd->tilec */
    opj_tcd_resolution_t    *res = NULL;        /* pointer to tcd->res */
    opj_tcd_band_t      *band = NULL;       /* pointer to tcd->band */
    opj_tcd_precinct_t  *prc = NULL;        /* pointer to tcd->prc */
    opj_tcd_cblk_t      *cblk = NULL;       /* pointer to tcd->cblk */
    opj_tcp_t       *tcp = &cp->tcps[curtileno];
    int p, q, r;

    tcd->volume = volume;
    tcd->cp = cp;
    tcd->tcd_volume->tw = cp->tw;
    tcd->tcd_volume->th = cp->th;
    tcd->tcd_volume->tl = cp->tl;
    tcd->tcd_volume->tiles = (opj_tcd_tile_t *) opj_malloc(sizeof(opj_tcd_tile_t));
    tcd->tile = tcd->tcd_volume->tiles;
    tile = tcd->tile;


    /* p61 ISO/IEC IS15444-1 : 2002 */
    /* curtileno --> raster scanned index of tiles */
    /* p,q,r --> matricial index of tiles */
    p = curtileno % cp->tw;
    q = curtileno / cp->tw;
    r = curtileno / (cp->tw * cp->th); /* extension to 3-D */

    /* 4 borders of the tile rescale on the volume if necessary (B.3)*/
    tile->x0 = int_max(cp->tx0 + p * cp->tdx, volume->x0);
    tile->y0 = int_max(cp->ty0 + q * cp->tdy, volume->y0);
    tile->z0 = int_max(cp->tz0 + r * cp->tdz, volume->z0);
    tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, volume->x1);
    tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, volume->y1);
    tile->z1 = int_min(cp->tz0 + (r + 1) * cp->tdz, volume->z1);
    tile->numcomps = volume->numcomps;

    /* Modification of the RATE >> */
    for (j = 0; j < tcp->numlayers; j++) {
        if (tcp->rates[j] <= 1) {
            tcp->rates[j] = 0;
        } else {
            float num = (float)tile->numcomps * (tile->x1 - tile->x0) *
                        (tile->y1 - tile->y0) * (tile->z1 - tile->z0) * volume->comps[0].prec;
            float den = 8.0f * volume->comps[0].dx * volume->comps[0].dy *
                        volume->comps[0].dz;
            den = tcp->rates[j] * den;
            tcp->rates[j] = (num + den - 1) / den;
        }
        /*tcp->rates[j] = tcp->rates[j] ? int_ceildiv(
            tile->numcomps * (tile->x1 - tile->x0) * (tile->y1 - tile->y0) * (tile->z1 - tile->z0) * volume->comps[0].prec,
            (tcp->rates[j] * 8 * volume->comps[0].dx * volume->comps[0].dy * volume->comps[0].dz)) : 0;*/
        if (tcp->rates[j]) {
            if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
                tcp->rates[j] = tcp->rates[j - 1] + 20;
            } else if (!j && tcp->rates[j] < 30) {
                tcp->rates[j] = 30;
            }
        }
    }
    /* << Modification of the RATE */

    tile->comps = (opj_tcd_tilecomp_t *) opj_malloc(volume->numcomps * sizeof(
                      opj_tcd_tilecomp_t));
    for (compno = 0; compno < tile->numcomps; compno++) {
        opj_tccp_t *tccp = &tcp->tccps[compno];
        int res_max;
        int prevnumbands = 0;

        /* opj_tcd_tilecomp_t *tilec=&tile->comps[compno]; */
        tcd->tilec = &tile->comps[compno];
        tilec = tcd->tilec;

        /* border of each tile component (global) (B.3) */
        tilec->x0 = int_ceildiv(tile->x0, volume->comps[compno].dx);
        tilec->y0 = int_ceildiv(tile->y0, volume->comps[compno].dy);
        tilec->z0 = int_ceildiv(tile->z0, volume->comps[compno].dz);
        tilec->x1 = int_ceildiv(tile->x1, volume->comps[compno].dx);
        tilec->y1 = int_ceildiv(tile->y1, volume->comps[compno].dy);
        tilec->z1 = int_ceildiv(tile->z1, volume->comps[compno].dz);

        tilec->data = (int *) opj_malloc((tilec->x1 - tilec->x0) *
                                         (tilec->y1 - tilec->y0) * (tilec->z1 - tilec->z0) * sizeof(int));

        res_max = 0;
        for (i = 0; i < 3; i++) {
            tilec->numresolution[i] = tccp->numresolution[i];
            /*Greater of 3 resolutions contains all information*/
            res_max = (tilec->numresolution[i] > res_max) ? tilec->numresolution[i] :
                      res_max;
        }


        tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(res_max * sizeof(
                                 opj_tcd_resolution_t));
        for (resno = 0; resno < res_max; resno++) {

            int pdx, pdy, pdz;
            int tlprcxstart, tlprcystart, tlprczstart;
            int brprcxend, brprcyend, brprczend;
            int tlcbgxstart, tlcbgystart, tlcbgzstart;
            int brcbgxend, brcbgyend, brcbgzend;
            int cbgwidthexpn, cbgheightexpn, cbglengthexpn;
            int cblkwidthexpn, cblkheightexpn, cblklengthexpn;

            int diff = tccp->numresolution[0] - tccp->numresolution[2];
            int levelnox = tilec->numresolution[0] - 1 - resno;
            int levelnoy = tilec->numresolution[1] - 1 - resno;
            int levelnoz = tilec->numresolution[2] - 1 - ((resno <= diff) ? 0 :
                           (resno - diff));
            if (levelnoz < 0) {
                levelnoz = 0;
            }

            /* opj_tcd_resolution_t *res=&tilec->resolutions[resno]; */
            tcd->res = &tilec->resolutions[resno];
            res = tcd->res;

            /* border for each resolution level (global) (B.14)*/
            res->x0 = int_ceildivpow2(tilec->x0, levelnox);
            res->y0 = int_ceildivpow2(tilec->y0, levelnoy);
            res->z0 = int_ceildivpow2(tilec->z0, levelnoz);
            res->x1 = int_ceildivpow2(tilec->x1, levelnox);
            res->y1 = int_ceildivpow2(tilec->y1, levelnoy);
            res->z1 = int_ceildivpow2(tilec->z1, levelnoz);
            /*if (res->z1 < 0)fprintf(stdout,"Res: %d       %d/%d --> %d\n",resno,tilec->z1, levelnoz, int_ceildivpow2(tilec->z1, levelnoz));*/

            res->numbands = (resno == 0) ? 1 : (resno <= diff) ? 3 : 7; /* --> 3D */

            /* p. 30, table A-13, ISO/IEC IS154444-1 : 2002 */
            if (tccp->csty & J3D_CCP_CSTY_PRT) {
                pdx = tccp->prctsiz[0][resno];
                pdy = tccp->prctsiz[1][resno];
                pdz = tccp->prctsiz[2][resno];
            } else {
                pdx = 15;
                pdy = 15;
                pdz = 15;
            }

            /* p. 66, B.16, ISO/IEC IS15444-1 : 2002  */
            tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
            tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
            tlprczstart = int_floordivpow2(res->z0, pdz) << pdz;
            brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
            brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
            brprczend = int_ceildivpow2(res->z1, pdz) << pdz;

            res->prctno[0] = (brprcxend - tlprcxstart) >> pdx;
            res->prctno[1] = (brprcyend - tlprcystart) >> pdy;
            res->prctno[2] = (brprczend - tlprczstart) >> pdz;
            if (res->prctno[2] == 0) {
                res->prctno[2] = 1;
            }

            /* p. 67, B.17 & B.18, ISO/IEC IS15444-1 : 2002  */
            if (resno == 0) {
                tlcbgxstart = tlprcxstart;
                tlcbgystart = tlprcystart;
                tlcbgzstart = tlprczstart;
                brcbgxend = brprcxend;
                brcbgyend = brprcyend;
                brcbgzend = brprczend;
                cbgwidthexpn = pdx;
                cbgheightexpn = pdy;
                cbglengthexpn = pdz;
            } else {
                tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
                tlcbgystart = int_ceildivpow2(tlprcystart, 1);
                tlcbgzstart = int_ceildivpow2(tlprczstart, 1);
                brcbgxend = int_ceildivpow2(brprcxend, 1);
                brcbgyend = int_ceildivpow2(brprcyend, 1);
                brcbgzend = int_ceildivpow2(brprczend, 1);
                cbgwidthexpn = pdx - 1;
                cbgheightexpn = pdy - 1;
                cbglengthexpn = pdz - 1;
            }

            cblkwidthexpn = int_min(tccp->cblk[0], cbgwidthexpn); /*6*/
            cblkheightexpn = int_min(tccp->cblk[1], cbgheightexpn); /*6*/
            cblklengthexpn = int_min(tccp->cblk[2], cbglengthexpn); /*6*/

            res->bands = (opj_tcd_band_t *) opj_malloc(res->numbands * sizeof(
                             opj_tcd_band_t));
            for (bandno = 0; bandno < res->numbands; bandno++) {
                int x0b, y0b, z0b, i;
                int gain, numbps;
                opj_stepsize_t *ss = NULL;

                tcd->band = &res->bands[bandno];
                band = tcd->band;

                band->bandno = (resno == 0) ? 0 : bandno + 1;
                /* Bandno:  0 - LLL     2 - LHL
                            1 - HLL     3 - HHL
                            4 - LLH     6 - LHH
                            5 - HLH     7 - HHH     */
                x0b = (band->bandno == 1) || (band->bandno == 3) || (band->bandno == 5) ||
                      (band->bandno == 7) ? 1 : 0;
                y0b = (band->bandno == 2) || (band->bandno == 3) || (band->bandno == 6) ||
                      (band->bandno == 7) ? 1 : 0;
                z0b = (band->bandno == 4) || (band->bandno == 5) || (band->bandno == 6) ||
                      (band->bandno == 7) ? 1 : 0;

                /* p. 65, B.15, ISO/IEC IS15444-1 : 2002  */
                if (band->bandno == 0) {
                    /* band border (global) */
                    band->x0 = int_ceildivpow2(tilec->x0, levelnox);
                    band->y0 = int_ceildivpow2(tilec->y0, levelnoy);
                    band->z0 = int_ceildivpow2(tilec->z0, levelnoz);
                    band->x1 = int_ceildivpow2(tilec->x1, levelnox);
                    band->y1 = int_ceildivpow2(tilec->y1, levelnoy);
                    band->z1 = int_ceildivpow2(tilec->z1, levelnoz);
                } else {
                    band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelnox) * x0b, levelnox + 1);
                    band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelnoy) * y0b, levelnoy + 1);
                    band->z0 = int_ceildivpow2(tilec->z0 - (1 << levelnoz) * z0b,
                                               (resno <= diff) ? levelnoz : levelnoz + 1);
                    band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelnox) * x0b, levelnox + 1);
                    band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelnoy) * y0b, levelnoy + 1);
                    band->z1 = int_ceildivpow2(tilec->z1 - (1 << levelnoz) * z0b,
                                               (resno <= diff) ? levelnoz : levelnoz + 1);
                }

                ss = &tccp->stepsizes[(resno == 0) ? 0 : (prevnumbands + bandno + 1)];
                if (bandno == (res->numbands - 1)) {
                    prevnumbands += (resno == 0) ? 0 : res->numbands;
                }
                gain = dwt_getgain(band->bandno, tccp->reversible);
                numbps = volume->comps[compno].prec + gain;
                band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0,
                                         numbps - ss->expn));
                band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */

                band->precincts = (opj_tcd_precinct_t *) opj_malloc((res->prctno[0] *
                                  res->prctno[1] * res->prctno[2]) * sizeof(opj_tcd_precinct_t));

                for (i = 0; i < (res->prctno[0] * res->prctno[1] * res->prctno[2]); i++) {
                    band->precincts[i].imsbtree = NULL;
                    band->precincts[i].incltree = NULL;
                }

                for (precno = 0; precno < (res->prctno[0] * res->prctno[1] * res->prctno[2]);
                        precno++) {
                    int tlcblkxstart, tlcblkystart, tlcblkzstart, brcblkxend, brcblkyend,
                        brcblkzend;
                    int cbgxstart, cbgystart, cbgzstart, cbgxend, cbgyend, cbgzend;

                    cbgxstart = tlcbgxstart + (precno % res->prctno[0]) * (1 << cbgwidthexpn);
                    cbgystart = tlcbgystart + ((precno % (res->prctno[0] * res->prctno[1])) /
                                               res->prctno[0]) * (1 << cbgheightexpn);
                    cbgzstart = tlcbgzstart + (precno / (res->prctno[0] * res->prctno[1])) *
                                (1 << cbglengthexpn);
                    cbgxend = cbgxstart + (1 << cbgwidthexpn);
                    cbgyend = cbgystart + (1 << cbgheightexpn);
                    cbgzend = cbgzstart + (1 << cbglengthexpn);

                    tcd->prc = &band->precincts[precno];
                    prc = tcd->prc;

                    /* precinct size (global) */
                    prc->x0 = int_max(cbgxstart, band->x0);
                    prc->y0 = int_max(cbgystart, band->y0);
                    prc->z0 = int_max(cbgzstart, band->z0);
                    prc->x1 = int_min(cbgxend, band->x1);
                    prc->y1 = int_min(cbgyend, band->y1);
                    prc->z1 = int_min(cbgzend, band->z1);

                    tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
                    tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
                    tlcblkzstart = int_floordivpow2(prc->z0, cblklengthexpn) << cblklengthexpn;
                    brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
                    brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
                    brcblkzend = int_ceildivpow2(prc->z1, cblklengthexpn) << cblklengthexpn;
                    prc->cblkno[0] = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
                    prc->cblkno[1] = (brcblkyend - tlcblkystart) >> cblkheightexpn;
                    prc->cblkno[2] = (brcblkzend - tlcblkzstart) >> cblklengthexpn;
                    prc->cblkno[2] = (prc->cblkno[2] == 0) ? 1 : prc->cblkno[2];

                    prc->cblks = (opj_tcd_cblk_t *) opj_malloc((prc->cblkno[0] * prc->cblkno[1] *
                                 prc->cblkno[2]) * sizeof(opj_tcd_cblk_t));
                    prc->incltree = tgt_create(prc->cblkno[0], prc->cblkno[1], prc->cblkno[2]);
                    prc->imsbtree = tgt_create(prc->cblkno[0], prc->cblkno[1], prc->cblkno[2]);
                    /*tgt_tree_dump(stdout,prc->incltree);*/
                    for (cblkno = 0; cblkno < (prc->cblkno[0] * prc->cblkno[1] * prc->cblkno[2]);
                            cblkno++) {
                        int cblkxstart = tlcblkxstart + (cblkno % prc->cblkno[0]) *
                                         (1 << cblkwidthexpn);
                        int cblkystart = tlcblkystart + ((cblkno % (prc->cblkno[0] * prc->cblkno[1])) /
                                                         prc->cblkno[0]) * (1 << cblkheightexpn);
                        int cblkzstart = tlcblkzstart + (cblkno / (prc->cblkno[0] * prc->cblkno[1])) *
                                         (1 << cblklengthexpn);
                        int cblkxend = cblkxstart + (1 << cblkwidthexpn);
                        int cblkyend = cblkystart + (1 << cblkheightexpn);
                        int cblkzend = cblkzstart + (1 << cblklengthexpn);
                        int prec = ((tilec->bpp > 16) ? 3 : ((tilec->bpp > 8) ? 2 : 1));

                        tcd->cblk = &prc->cblks[cblkno];
                        cblk = tcd->cblk;

                        /* code-block size (global) */
                        cblk->x0 = int_max(cblkxstart, prc->x0);
                        cblk->y0 = int_max(cblkystart, prc->y0);
                        cblk->z0 = int_max(cblkzstart, prc->z0);
                        cblk->x1 = int_min(cblkxend, prc->x1);
                        cblk->y1 = int_min(cblkyend, prc->y1);
                        cblk->z1 = int_min(cblkzend, prc->z1);
                    }
                }
            }
        }
    }
    /*tcd_dump(stdout, tcd, tcd->tcd_volume);*/

}
void tcd_init_encode(opj_tcd_t *tcd, opj_volume_t * volume, opj_cp_t * cp,
                     int curtileno)
{
    int compno, resno, bandno, precno, cblkno;
    int j, p, q, r;

    opj_tcd_tile_t      *tile = NULL;       /* pointer to tcd->tile */
    opj_tcd_tilecomp_t  *tilec = NULL;      /* pointer to tcd->tilec */
    opj_tcd_resolution_t    *res = NULL;    /* pointer to tcd->res */
    opj_tcd_band_t      *band = NULL;       /* pointer to tcd->band */
    opj_tcd_precinct_t  *prc = NULL;        /* pointer to tcd->prc */
    opj_tcd_cblk_t      *cblk = NULL;       /* pointer to tcd->cblk */
    opj_tcp_t *tcp = &cp->tcps[curtileno];

    tcd->tile = tcd->tcd_volume->tiles;
    tile = tcd->tile;

    /* p61 ISO/IEC IS15444-1 : 2002 */
    /* curtileno --> raster scanned index of tiles */
    /* p,q,r --> matricial index of tiles */
    p = curtileno % cp->tw;
    q = curtileno / cp->tw;
    r = curtileno / (cp->tw * cp->th); /* extension to 3-D */

    /* 4 borders of the tile rescale on the volume if necessary (B.3)*/
    tile->x0 = int_max(cp->tx0 + p * cp->tdx, volume->x0);
    tile->y0 = int_max(cp->ty0 + q * cp->tdy, volume->y0);
    tile->z0 = int_max(cp->tz0 + r * cp->tdz, volume->z0);
    tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, volume->x1);
    tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, volume->y1);
    tile->z1 = int_min(cp->tz0 + (r + 1) * cp->tdz, volume->z1);
    tile->numcomps = volume->numcomps;

    /* Modification of the RATE >> */
    for (j = 0; j < tcp->numlayers; j++) {
        if (tcp->rates[j] <= 1) {
            tcp->rates[j] = 0;
        } else {
            float num = (float)tile->numcomps * (tile->x1 - tile->x0) *
                        (tile->y1 - tile->y0) * (tile->z1 - tile->z0) * volume->comps[0].prec;
            float den = 8.0f * volume->comps[0].dx * volume->comps[0].dy *
                        volume->comps[0].dz;
            den = tcp->rates[j] * den;
            tcp->rates[j] = (num + den - 1) / den;
        }
        /*tcp->rates[j] = tcp->rates[j] ? int_ceildiv(
            tile->numcomps * (tile->x1 - tile->x0) * (tile->y1 - tile->y0) * (tile->z1 - tile->z0) * volume->comps[0].prec,
            (tcp->rates[j] * 8 * volume->comps[0].dx * volume->comps[0].dy * volume->comps[0].dz)) : 0;*/
        if (tcp->rates[j]) {
            if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
                tcp->rates[j] = tcp->rates[j - 1] + 20;
            } else if (!j && tcp->rates[j] < 30) {
                tcp->rates[j] = 30;
            }
        }
    }
    /* << Modification of the RATE */

    for (compno = 0; compno < tile->numcomps; compno++) {
        opj_tccp_t *tccp = &tcp->tccps[compno];
        int res_max, i;
        int prevnumbands = 0;

        /* opj_tcd_tilecomp_t *tilec=&tile->comps[compno]; */
        tcd->tilec = &tile->comps[compno];
        tilec = tcd->tilec;

        /* border of each tile component (global) (B.3) */
        tilec->x0 = int_ceildiv(tile->x0, volume->comps[compno].dx);
        tilec->y0 = int_ceildiv(tile->y0, volume->comps[compno].dy);
        tilec->z0 = int_ceildiv(tile->z0, volume->comps[compno].dz);
        tilec->x1 = int_ceildiv(tile->x1, volume->comps[compno].dx);
        tilec->y1 = int_ceildiv(tile->y1, volume->comps[compno].dy);
        tilec->z1 = int_ceildiv(tile->z1, volume->comps[compno].dz);

        tilec->data = (int *) opj_malloc((tilec->x1 - tilec->x0) *
                                         (tilec->y1 - tilec->y0) * (tilec->z1 - tilec->z0) * sizeof(int));

        res_max = 0;
        for (i = 0; i < 3; i++) {
            tilec->numresolution[i] = tccp->numresolution[i];
            /*Greater of 3 resolutions contains all information*/
            res_max = (tilec->numresolution[i] > res_max) ? tilec->numresolution[i] :
                      res_max;
        }

        tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(res_max * sizeof(
                                 opj_tcd_resolution_t));
        for (resno = 0; resno < res_max; resno++) {
            int pdx, pdy, pdz;
            int tlprcxstart, tlprcystart, tlprczstart, brprcxend, brprcyend, brprczend;
            int tlcbgxstart, tlcbgystart, tlcbgzstart, brcbgxend, brcbgyend, brcbgzend;
            int cbgwidthexpn, cbgheightexpn, cbglengthexpn;
            int cblkwidthexpn, cblkheightexpn, cblklengthexpn;

            int levelnox = tilec->numresolution[0] - 1 - resno;
            int levelnoy = tilec->numresolution[1] - 1 - resno;
            int diff = tccp->numresolution[0] - tccp->numresolution[2];
            int levelnoz = tilec->numresolution[2] - 1 - ((resno <= diff) ? 0 :
                           (resno - diff));
            if (levelnoz < 0) {
                levelnoz = 0;
            }

            tcd->res = &tilec->resolutions[resno];
            res = tcd->res;

            /* border for each resolution level (global) (B.14)*/
            res->x0 = int_ceildivpow2(tilec->x0, levelnox);
            res->y0 = int_ceildivpow2(tilec->y0, levelnoy);
            res->z0 = int_ceildivpow2(tilec->z0, levelnoz);
            res->x1 = int_ceildivpow2(tilec->x1, levelnox);
            res->y1 = int_ceildivpow2(tilec->y1, levelnoy);
            res->z1 = int_ceildivpow2(tilec->z1, levelnoz);

            /* res->numbands = resno == 0 ? 1 : 3; *//* --> 2D */

            res->numbands = (resno == 0) ? 1 : (resno <= diff) ? 3 : 7; /* --> 3D */

            /* p. 30, table A-13, ISO/IEC IS154444-1 : 2002 */
            if (tccp->csty & J3D_CCP_CSTY_PRT) {
                pdx = tccp->prctsiz[0][resno];
                pdy = tccp->prctsiz[1][resno];
                pdz = tccp->prctsiz[2][resno];
            } else {
                pdx = 15;
                pdy = 15;
                pdz = 15;
            }
            /* p. 66, B.16, ISO/IEC IS15444-1 : 2002  */
            tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
            tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
            tlprczstart = int_floordivpow2(res->z0, pdz) << pdz;
            brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
            brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
            brprczend = int_ceildivpow2(res->z1, pdz) << pdz;

            res->prctno[0] = (brprcxend - tlprcxstart) >> pdx;
            res->prctno[1] = (brprcyend - tlprcystart) >> pdy;
            res->prctno[2] = (brprczend - tlprczstart) >> pdz;
            if (res->prctno[2] == 0) {
                res->prctno[2] = 1;
            }

            /* p. 67, B.17 & B.18, ISO/IEC IS15444-1 : 2002  */
            if (resno == 0) {
                tlcbgxstart = tlprcxstart;
                tlcbgystart = tlprcystart;
                tlcbgzstart = tlprczstart;
                brcbgxend = brprcxend;
                brcbgyend = brprcyend;
                brcbgzend = brprczend;
                cbgwidthexpn = pdx;
                cbgheightexpn = pdy;
                cbglengthexpn = pdz;
            } else {
                tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
                tlcbgystart = int_ceildivpow2(tlprcystart, 1);
                tlcbgzstart = int_ceildivpow2(tlprczstart, 1);
                brcbgxend = int_ceildivpow2(brprcxend, 1);
                brcbgyend = int_ceildivpow2(brprcyend, 1);
                brcbgzend = int_ceildivpow2(brprczend, 1);
                cbgwidthexpn = pdx - 1;
                cbgheightexpn = pdy - 1;
                cbglengthexpn = pdz - 1;
            }

            cblkwidthexpn = int_min(tccp->cblk[0], cbgwidthexpn);
            cblkheightexpn = int_min(tccp->cblk[1], cbgheightexpn);
            cblklengthexpn = int_min(tccp->cblk[2], cbglengthexpn);

            res->bands = (opj_tcd_band_t *) opj_malloc(res->numbands * sizeof(
                             opj_tcd_band_t));
            for (bandno = 0; bandno < res->numbands; bandno++) {
                int x0b, y0b, z0b;
                int gain, numbps;
                opj_stepsize_t *ss = NULL;

                tcd->band = &res->bands[bandno];
                band = tcd->band;

                band->bandno = resno == 0 ? 0 : bandno + 1;
                /* Bandno:  0 - LLL     2 - LHL
                            1 - HLL     3 - HHL
                            4 - LLH     6 - LHH
                            5 - HLH     7 - HHH     */
                x0b = (band->bandno == 1) || (band->bandno == 3) || (band->bandno == 5) ||
                      (band->bandno == 7) ? 1 : 0;
                y0b = (band->bandno == 2) || (band->bandno == 3) || (band->bandno == 6) ||
                      (band->bandno == 7) ? 1 : 0;
                z0b = (band->bandno == 4) || (band->bandno == 5) || (band->bandno == 6) ||
                      (band->bandno == 7) ? 1 : 0;

                /* p. 65, B.15, ISO/IEC IS15444-1 : 2002  */
                if (band->bandno == 0) {
                    /* band border (global) */
                    band->x0 = int_ceildivpow2(tilec->x0, levelnox);
                    band->y0 = int_ceildivpow2(tilec->y0, levelnoy);
                    band->z0 = int_ceildivpow2(tilec->z0, levelnoz);
                    band->x1 = int_ceildivpow2(tilec->x1, levelnox);
                    band->y1 = int_ceildivpow2(tilec->y1, levelnoy);
                    band->z1 = int_ceildivpow2(tilec->z1, levelnoz);
                } else {
                    band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelnox) * x0b, levelnox + 1);
                    band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelnoy) * y0b, levelnoy + 1);
                    band->z0 = int_ceildivpow2(tilec->z0 - (1 << levelnoz) * z0b,
                                               (resno <= diff) ? levelnoz : levelnoz + 1);
                    band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelnox) * x0b, levelnox + 1);
                    band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelnoy) * y0b, levelnoy + 1);
                    band->z1 = int_ceildivpow2(tilec->z1 - (1 << levelnoz) * z0b,
                                               (resno <= diff) ? levelnoz : levelnoz + 1);
                }

                ss = &tccp->stepsizes[(resno == 0) ? 0 : (prevnumbands + bandno + 1)];
                if (bandno == (res->numbands - 1)) {
                    prevnumbands += (resno == 0) ? 0 : res->numbands;
                }
                gain = dwt_getgain(band->bandno, tccp->reversible);
                numbps = volume->comps[compno].prec + gain;

                band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0,
                                         numbps - ss->expn));
                band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */

                for (precno = 0; precno < res->prctno[0] * res->prctno[1] * res->prctno[2];
                        precno++) {
                    int tlcblkxstart, tlcblkystart, tlcblkzstart, brcblkxend, brcblkyend,
                        brcblkzend;

                    int cbgxstart = tlcbgxstart + (precno % res->prctno[0]) * (1 << cbgwidthexpn);
                    int cbgystart = tlcbgystart + ((precno / (res->prctno[0] * res->prctno[1])) /
                                                   res->prctno[0]) * (1 << cbgheightexpn);
                    int cbgzstart = tlcbgzstart + (precno / (res->prctno[0] * res->prctno[1])) *
                                    (1 << cbglengthexpn);
                    int cbgxend = cbgxstart + (1 << cbgwidthexpn);
                    int cbgyend = cbgystart + (1 << cbgheightexpn);
                    int cbgzend = cbgzstart + (1 << cbglengthexpn);

                    /* opj_tcd_precinct_t *prc=&band->precincts[precno]; */
                    tcd->prc = &band->precincts[precno];
                    prc = tcd->prc;

                    /* precinct size (global) */
                    prc->x0 = int_max(cbgxstart, band->x0);
                    prc->y0 = int_max(cbgystart, band->y0);
                    prc->z0 = int_max(cbgzstart, band->z0);
                    prc->x1 = int_min(cbgxend, band->x1);
                    prc->y1 = int_min(cbgyend, band->y1);
                    prc->z1 = int_min(cbgzend, band->z1);

                    tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
                    tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
                    tlcblkzstart = int_floordivpow2(prc->z0, cblklengthexpn) << cblklengthexpn;
                    brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
                    brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
                    brcblkzend = int_ceildivpow2(prc->z1, cblklengthexpn) << cblklengthexpn;
                    prc->cblkno[0] = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
                    prc->cblkno[1] = (brcblkyend - tlcblkystart) >> cblkheightexpn;
                    prc->cblkno[2] = (brcblkzend - tlcblkzstart) >> cblklengthexpn;
                    prc->cblkno[2] = (prc->cblkno[2] == 0) ? 1 : prc->cblkno[2];

                    opj_free(prc->cblks);
                    prc->cblks = (opj_tcd_cblk_t *) opj_malloc((prc->cblkno[0] * prc->cblkno[1] *
                                 prc->cblkno[2]) * sizeof(opj_tcd_cblk_t));
                    prc->incltree = tgt_create(prc->cblkno[0], prc->cblkno[1], prc->cblkno[2]);
                    prc->imsbtree = tgt_create(prc->cblkno[0], prc->cblkno[1], prc->cblkno[2]);

                    for (cblkno = 0; cblkno < (prc->cblkno[0] * prc->cblkno[1] * prc->cblkno[2]);
                            cblkno++) {
                        int cblkxstart = tlcblkxstart + (cblkno % prc->cblkno[0]) *
                                         (1 << cblkwidthexpn);
                        int cblkystart = tlcblkystart + ((cblkno % (prc->cblkno[0] * prc->cblkno[1])) /
                                                         prc->cblkno[0]) * (1 << cblkheightexpn);
                        int cblkzstart = tlcblkzstart + (cblkno / (prc->cblkno[0] * prc->cblkno[1])) *
                                         (1 << cblklengthexpn);
                        int cblkxend = cblkxstart + (1 << cblkwidthexpn);
                        int cblkyend = cblkystart + (1 << cblkheightexpn);
                        int cblkzend = cblkzstart + (1 << cblklengthexpn);
                        int prec = ((tilec->bpp > 16) ? 3 : ((tilec->bpp > 8) ? 2 : 1));

                        tcd->cblk = &prc->cblks[cblkno];
                        cblk = tcd->cblk;

                        /* code-block size (global) */
                        cblk->x0 = int_max(cblkxstart, prc->x0);
                        cblk->y0 = int_max(cblkystart, prc->y0);
                        cblk->z0 = int_max(cblkzstart, prc->z0);
                        cblk->x1 = int_min(cblkxend, prc->x1);
                        cblk->y1 = int_min(cblkyend, prc->y1);
                        cblk->z1 = int_min(cblkzend, prc->z1);
                    }
                } /* precno */
            } /* bandno */
        } /* resno */
    } /* compno */
    /*tcd_dump(stdout, tcd, tcd->tcd_volume);*/
}


void tcd_free_encode(opj_tcd_t *tcd)
{
    int tileno, compno, resno, bandno, precno;

    opj_tcd_tile_t *tile = NULL;        /* pointer to tcd->tile     */
    /*  opj_tcd_slice_t *slice = NULL; */       /* pointer to tcd->slice */
    opj_tcd_tilecomp_t *tilec = NULL;   /* pointer to tcd->tilec    */
    opj_tcd_resolution_t *res = NULL;   /* pointer to tcd->res      */
    opj_tcd_band_t *band = NULL;        /* pointer to tcd->band     */
    opj_tcd_precinct_t *prc = NULL;     /* pointer to tcd->prc      */

    for (tileno = 0; tileno < 1; tileno++) {
        tcd->tile = tcd->tcd_volume->tiles;
        tile = tcd->tile;

        for (compno = 0; compno < tile->numcomps; compno++) {
            tcd->tilec = &tile->comps[compno];
            tilec = tcd->tilec;

            for (resno = 0; resno < tilec->numresolution[0]; resno++) {
                tcd->res = &tilec->resolutions[resno];
                res = tcd->res;

                for (bandno = 0; bandno < res->numbands; bandno++) {
                    tcd->band = &res->bands[bandno];
                    band = tcd->band;

                    for (precno = 0; precno < res->prctno[0] * res->prctno[1] * res->prctno[2];
                            precno++) {
                        tcd->prc = &band->precincts[precno];
                        prc = tcd->prc;

                        if (prc->incltree != NULL) {
                            tgt_destroy(prc->incltree);
                            prc->incltree = NULL;
                        }
                        if (prc->imsbtree != NULL) {
                            tgt_destroy(prc->imsbtree);
                            prc->imsbtree = NULL;
                        }
                        opj_free(prc->cblks);
                        prc->cblks = NULL;
                    } /* for (precno */
                    opj_free(band->precincts);
                    band->precincts = NULL;
                } /* for (bandno */
            } /* for (resno */
            opj_free(tilec->resolutions);
            tilec->resolutions = NULL;
        } /* for (compno */
        opj_free(tile->comps);
        tile->comps = NULL;
    } /* for (tileno */
    opj_free(tcd->tcd_volume->tiles);
    tcd->tcd_volume->tiles = NULL;
}

/* ----------------------------------------------------------------------- */
void tcd_malloc_decode(opj_tcd_t *tcd, opj_volume_t * volume, opj_cp_t * cp)
{
    int tileno, compno, resno, bandno, precno, cblkno, res_max,
        i, j, p, q, r;
    unsigned int x0 = 0, y0 = 0, z0 = 0,
                 x1 = 0, y1 = 0, z1 = 0,
                 w, h, l;

    tcd->volume = volume;
    tcd->cp = cp;
    tcd->tcd_volume->tw = cp->tw;
    tcd->tcd_volume->th = cp->th;
    tcd->tcd_volume->tl = cp->tl;
    tcd->tcd_volume->tiles = (opj_tcd_tile_t *) opj_malloc(cp->tw * cp->th * cp->tl
                             * sizeof(opj_tcd_tile_t));

    for (i = 0; i < cp->tileno_size; i++) {
        opj_tcp_t *tcp = &(cp->tcps[cp->tileno[i]]);
        opj_tcd_tile_t *tile = &(tcd->tcd_volume->tiles[cp->tileno[i]]);

        /* p61 ISO/IEC IS15444-1 : 2002 */
        /* curtileno --> raster scanned index of tiles */
        /* p,q,r --> matricial index of tiles */
        tileno = cp->tileno[i];
        p = tileno % cp->tw;
        q = tileno / cp->tw;
        r = tileno / (cp->tw * cp->th); /* extension to 3-D */

        /* 4 borders of the tile rescale on the volume if necessary (B.3)*/
        tile->x0 = int_max(cp->tx0 + p * cp->tdx, volume->x0);
        tile->y0 = int_max(cp->ty0 + q * cp->tdy, volume->y0);
        tile->z0 = int_max(cp->tz0 + r * cp->tdz, volume->z0);
        tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, volume->x1);
        tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, volume->y1);
        tile->z1 = int_min(cp->tz0 + (r + 1) * cp->tdz, volume->z1);
        tile->numcomps = volume->numcomps;

        tile->comps = (opj_tcd_tilecomp_t *) opj_malloc(volume->numcomps * sizeof(
                          opj_tcd_tilecomp_t));
        for (compno = 0; compno < tile->numcomps; compno++) {
            opj_tccp_t *tccp = &tcp->tccps[compno];
            opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
            int prevnumbands = 0;

            /* border of each tile component (global) */
            tilec->x0 = int_ceildiv(tile->x0, volume->comps[compno].dx);
            tilec->y0 = int_ceildiv(tile->y0, volume->comps[compno].dy);
            tilec->z0 = int_ceildiv(tile->z0, volume->comps[compno].dz);
            tilec->x1 = int_ceildiv(tile->x1, volume->comps[compno].dx);
            tilec->y1 = int_ceildiv(tile->y1, volume->comps[compno].dy);
            tilec->z1 = int_ceildiv(tile->z1, volume->comps[compno].dz);

            tilec->data = (int *) opj_malloc((tilec->x1 - tilec->x0) *
                                             (tilec->y1 - tilec->y0) * (tilec->z1 - tilec->z0) * sizeof(int));

            res_max = 0;
            for (i = 0; i < 3; i++) {
                tilec->numresolution[i] = tccp->numresolution[i];
                /*Greater of 3 resolutions contains all information*/
                res_max = (tilec->numresolution[i] > res_max) ? tilec->numresolution[i] :
                          res_max;
            }

            tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(res_max * sizeof(
                                     opj_tcd_resolution_t));

            for (resno = 0; resno < res_max; resno++) {
                opj_tcd_resolution_t *res = &tilec->resolutions[resno];
                int pdx, pdy, pdz;
                int tlprcxstart, tlprcystart, tlprczstart, brprcxend, brprcyend, brprczend;
                int tlcbgxstart, tlcbgystart, tlcbgzstart, brcbgxend, brcbgyend, brcbgzend;
                int cbgwidthexpn, cbgheightexpn, cbglengthexpn;
                int cblkwidthexpn, cblkheightexpn, cblklengthexpn;
                int levelnox = tilec->numresolution[0] - 1 - resno;
                int levelnoy = tilec->numresolution[1] - 1 - resno;
                int diff = tccp->numresolution[0] - tccp->numresolution[2];
                int levelnoz = tilec->numresolution[2] - 1 - ((resno <= diff) ? 0 :
                               (resno - diff));
                if (levelnoz < 0) {
                    levelnoz = 0;
                }

                /* border for each resolution level (global) */
                res->x0 = int_ceildivpow2(tilec->x0, levelnox);
                res->y0 = int_ceildivpow2(tilec->y0, levelnoy);
                res->z0 = int_ceildivpow2(tilec->z0, levelnoz);
                res->x1 = int_ceildivpow2(tilec->x1, levelnox);
                res->y1 = int_ceildivpow2(tilec->y1, levelnoy);
                res->z1 = int_ceildivpow2(tilec->z1, levelnoz);
                res->numbands = (resno == 0) ? 1 : (resno <= diff) ? 3 : 7; /* --> 3D */

                /* p. 30, table A-13, ISO/IEC IS154444-1 : 2002 */
                if (tccp->csty & J3D_CCP_CSTY_PRT) {
                    pdx = tccp->prctsiz[0][resno];
                    pdy = tccp->prctsiz[1][resno];
                    pdz = tccp->prctsiz[2][resno];
                } else {
                    pdx = 15;
                    pdy = 15;
                    pdz = 15;
                }

                /* p. 66, B.16, ISO/IEC IS15444-1 : 2002  */
                tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
                tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
                tlprczstart = int_floordivpow2(res->z0, pdz) << pdz;
                brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
                brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
                brprczend = int_ceildivpow2(res->z1, pdz) << pdz;

                res->prctno[0] = (brprcxend - tlprcxstart) >> pdx;
                res->prctno[1] = (brprcyend - tlprcystart) >> pdy;
                res->prctno[2] = (brprczend - tlprczstart) >> pdz;

                /* p. 67, B.17 & B.18, ISO/IEC IS15444-1 : 2002  */
                if (resno == 0) {
                    tlcbgxstart = tlprcxstart;/*0*/
                    tlcbgystart = tlprcystart;
                    tlcbgzstart = tlprczstart;
                    brcbgxend = brprcxend;/*1*/
                    brcbgyend = brprcyend;
                    brcbgzend = brprczend;
                    cbgwidthexpn = pdx; /*15*/
                    cbgheightexpn = pdy;
                    cbglengthexpn = pdz;
                } else {
                    tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
                    tlcbgystart = int_ceildivpow2(tlprcystart, 1);
                    tlcbgzstart = int_ceildivpow2(tlprczstart, 1);
                    brcbgxend = int_ceildivpow2(brprcxend, 1);
                    brcbgyend = int_ceildivpow2(brprcyend, 1);
                    brcbgzend = int_ceildivpow2(brprczend, 1);
                    cbgwidthexpn = pdx - 1;
                    cbgheightexpn = pdy - 1;
                    cbglengthexpn = pdz - 1;
                }

                cblkwidthexpn = int_min(tccp->cblk[0], cbgwidthexpn); /*6*/
                cblkheightexpn = int_min(tccp->cblk[1], cbgheightexpn); /*6*/
                cblklengthexpn = int_min(tccp->cblk[2], cbglengthexpn); /*6*/

                res->bands = (opj_tcd_band_t *) opj_malloc(res->numbands * sizeof(
                                 opj_tcd_band_t));
                for (bandno = 0; bandno < res->numbands; bandno++) {
                    int x0b, y0b, z0b;
                    int gain, numbps;
                    opj_stepsize_t *ss = NULL;

                    opj_tcd_band_t *band = &res->bands[bandno];
                    band->bandno = resno == 0 ? 0 : bandno + 1;
                    /* Bandno:  0 - LLL     2 - LHL
                                1 - HLL     3 - HHL
                                4 - LLH     6 - LHH
                                5 - HLH     7 - HHH     */
                    x0b = (band->bandno == 1) || (band->bandno == 3) || (band->bandno == 5) ||
                          (band->bandno == 7) ? 1 : 0;
                    y0b = (band->bandno == 2) || (band->bandno == 3) || (band->bandno == 6) ||
                          (band->bandno == 7) ? 1 : 0;
                    z0b = (band->bandno == 4) || (band->bandno == 5) || (band->bandno == 6) ||
                          (band->bandno == 7) ? 1 : 0;

                    /* p. 65, B.15, ISO/IEC IS15444-1 : 2002  */
                    if (band->bandno == 0) {
                        /* band border (global) */
                        band->x0 = int_ceildivpow2(tilec->x0, levelnox);
                        band->y0 = int_ceildivpow2(tilec->y0, levelnoy);
                        band->z0 = int_ceildivpow2(tilec->z0, levelnoz);
                        band->x1 = int_ceildivpow2(tilec->x1, levelnox);
                        band->y1 = int_ceildivpow2(tilec->y1, levelnoy);
                        band->z1 = int_ceildivpow2(tilec->z1, levelnoz);
                    } else {
                        band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelnox) * x0b, levelnox + 1);
                        band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelnoy) * y0b, levelnoy + 1);
                        band->z0 = int_ceildivpow2(tilec->z0 - (1 << levelnoz) * z0b,
                                                   (resno <= diff) ? levelnoz : levelnoz + 1);
                        band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelnox) * x0b, levelnox + 1);
                        band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelnoy) * y0b, levelnoy + 1);
                        band->z1 = int_ceildivpow2(tilec->z1 - (1 << levelnoz) * z0b,
                                                   (resno <= diff) ? levelnoz : levelnoz + 1);
                    }

                    ss = &tccp->stepsizes[(resno == 0) ? 0 : (prevnumbands + bandno + 1)];
                    if (bandno == (res->numbands - 1)) {
                        prevnumbands += (resno == 0) ? 0 : res->numbands;
                    }
                    gain = dwt_getgain(band->bandno, tccp->reversible);
                    numbps = volume->comps[compno].prec + gain;

                    band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0,
                                             numbps - ss->expn));
                    band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */

                    band->precincts = (opj_tcd_precinct_t *) opj_malloc(res->prctno[0] *
                                      res->prctno[1] * res->prctno[2] * sizeof(opj_tcd_precinct_t));

                    for (precno = 0; precno < res->prctno[0] * res->prctno[1] * res->prctno[2];
                            precno++) {
                        int tlcblkxstart, tlcblkystart, tlcblkzstart, brcblkxend, brcblkyend,
                            brcblkzend;

                        int cbgxstart = tlcbgxstart + (precno % res->prctno[0]) * (1 << cbgwidthexpn);
                        int cbgystart = tlcbgystart + (precno / res->prctno[0]) * (1 << cbgheightexpn);
                        int cbgzstart = tlcbgzstart + (precno / (res->prctno[0] * res->prctno[1])) *
                                        (1 << cbglengthexpn);
                        int cbgxend = cbgxstart + (1 << cbgwidthexpn);
                        int cbgyend = cbgystart + (1 << cbgheightexpn);
                        int cbgzend = cbgzstart + (1 << cbglengthexpn);

                        opj_tcd_precinct_t *prc = &band->precincts[precno];
                        /* precinct size (global) */
                        prc->x0 = int_max(cbgxstart, band->x0);
                        prc->y0 = int_max(cbgystart, band->y0);
                        prc->z0 = int_max(cbgzstart, band->z0);
                        prc->x1 = int_min(cbgxend, band->x1);
                        prc->y1 = int_min(cbgyend, band->y1);
                        prc->z1 = int_min(cbgzend, band->z1);

                        tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
                        tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
                        tlcblkzstart = int_floordivpow2(prc->z0, cblklengthexpn) << cblklengthexpn;
                        brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
                        brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
                        brcblkzend = int_ceildivpow2(prc->z1, cblklengthexpn) << cblklengthexpn;
                        prc->cblkno[0] = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
                        prc->cblkno[1] = (brcblkyend - tlcblkystart) >> cblkheightexpn;
                        prc->cblkno[2] = (brcblkzend - tlcblkzstart) >> cblklengthexpn;
                        prc->cblkno[2] = (prc->cblkno[2] == 0) ? 1 : prc->cblkno[2];

                        prc->cblks = (opj_tcd_cblk_t *) opj_malloc((prc->cblkno[0] * prc->cblkno[1] *
                                     prc->cblkno[2]) * sizeof(opj_tcd_cblk_t));
                        prc->incltree = tgt_create(prc->cblkno[0], prc->cblkno[1], prc->cblkno[2]);
                        prc->imsbtree = tgt_create(prc->cblkno[0], prc->cblkno[1], prc->cblkno[2]);

                        for (cblkno = 0; cblkno < prc->cblkno[0] * prc->cblkno[1] * prc->cblkno[2];
                                cblkno++) {
                            int cblkxstart = tlcblkxstart + (cblkno % prc->cblkno[0]) *
                                             (1 << cblkwidthexpn);
                            int cblkystart = tlcblkystart + ((cblkno % (prc->cblkno[0] * prc->cblkno[1])) /
                                                             prc->cblkno[0]) * (1 << cblkheightexpn);
                            int cblkzstart = tlcblkzstart + (cblkno / (prc->cblkno[0] * prc->cblkno[1])) *
                                             (1 << cblklengthexpn);
                            int cblkxend = cblkxstart + (1 << cblkwidthexpn);
                            int cblkyend = cblkystart + (1 << cblkheightexpn);
                            int cblkzend = cblkzstart + (1 << cblklengthexpn);
                            int prec = ((tilec->bpp > 16) ? 3 : ((tilec->bpp > 8) ? 2 : 1));
                            /* code-block size (global) */
                            opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];

                            /* code-block size (global) */
                            cblk->x0 = int_max(cblkxstart, prc->x0);
                            cblk->y0 = int_max(cblkystart, prc->y0);
                            cblk->z0 = int_max(cblkzstart, prc->z0);
                            cblk->x1 = int_min(cblkxend, prc->x1);
                            cblk->y1 = int_min(cblkyend, prc->y1);
                            cblk->z1 = int_min(cblkzend, prc->z1);
                        }
                    } /* precno */
                } /* bandno */
            } /* resno */
        } /* compno */
    } /* i = 0..cp->tileno_size */

    /*tcd_dump(stdout, tcd, tcd->tcd_volume);*/

    /*
    Allocate place to store the decoded data = final volume
    Place limited by the tile really present in the codestream
    */

    for (i = 0; i < volume->numcomps; i++) {
        for (j = 0; j < cp->tileno_size; j++) {
            tileno = cp->tileno[j];
            x0 = (j == 0) ? tcd->tcd_volume->tiles[tileno].comps[i].x0 : int_min(x0,
                    (unsigned int) tcd->tcd_volume->tiles[tileno].comps[i].x0);
            y0 = (j == 0) ? tcd->tcd_volume->tiles[tileno].comps[i].y0 : int_min(y0,
                    (unsigned int) tcd->tcd_volume->tiles[tileno].comps[i].y0);
            z0 = (j == 0) ? tcd->tcd_volume->tiles[tileno].comps[i].z0 : int_min(z0,
                    (unsigned int) tcd->tcd_volume->tiles[tileno].comps[i].z0);
            x1 = (j == 0) ? tcd->tcd_volume->tiles[tileno].comps[i].x1 : int_max(x1,
                    (unsigned int) tcd->tcd_volume->tiles[tileno].comps[i].x1);
            y1 = (j == 0) ? tcd->tcd_volume->tiles[tileno].comps[i].y1 : int_max(y1,
                    (unsigned int) tcd->tcd_volume->tiles[tileno].comps[i].y1);
            z1 = (j == 0) ? tcd->tcd_volume->tiles[tileno].comps[i].z1 : int_max(z1,
                    (unsigned int) tcd->tcd_volume->tiles[tileno].comps[i].z1);
        }

        w = x1 - x0;
        h = y1 - y0;
        l = z1 - z0;

        volume->comps[i].data = (int *) opj_malloc(w * h * l * sizeof(int));
        volume->comps[i].w = w;
        volume->comps[i].h = h;
        volume->comps[i].l = l;
        volume->comps[i].x0 = x0;
        volume->comps[i].y0 = y0;
        volume->comps[i].z0 = z0;
        volume->comps[i].bigendian = cp->bigendian;
    }
}

void tcd_free_decode(opj_tcd_t *tcd)
{
    int tileno, compno, resno, bandno, precno;

    opj_tcd_volume_t *tcd_volume = tcd->tcd_volume;

    for (tileno = 0; tileno < tcd_volume->tw * tcd_volume->th * tcd_volume->tl;
            tileno++) {
        opj_tcd_tile_t *tile = &tcd_volume->tiles[tileno];
        for (compno = 0; compno < tile->numcomps; compno++) {
            opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
            for (resno = 0; resno < tilec->numresolution[0]; resno++) {
                opj_tcd_resolution_t *res = &tilec->resolutions[resno];
                for (bandno = 0; bandno < res->numbands; bandno++) {
                    opj_tcd_band_t *band = &res->bands[bandno];
                    for (precno = 0; precno < res->prctno[1] * res->prctno[0] * res->prctno[2];
                            precno++) {
                        opj_tcd_precinct_t *prec = &band->precincts[precno];
                        if (prec->cblks != NULL) {
                            opj_free(prec->cblks);
                        }
                        if (prec->imsbtree != NULL) {
                            tgt_destroy(prec->imsbtree);
                        }
                        if (prec->incltree != NULL) {
                            tgt_destroy(prec->incltree);
                        }
                        /*for (treeno = 0; treeno < prec->numtrees; treeno++){
                            if (prec->imsbtree[treeno] != NULL) tgt_destroy(prec->imsbtree[treeno]);
                            if (prec->incltree[treeno] != NULL) tgt_destroy(prec->incltree[treeno]);
                        }*/
                    }
                    if (band->precincts != NULL) {
                        opj_free(band->precincts);
                    }
                }
            }
            if (tilec->resolutions != NULL) {
                opj_free(tilec->resolutions);
            }
        }
        if (tile->comps != NULL) {
            opj_free(tile->comps);
        }
    }

    if (tcd_volume->tiles != NULL) {
        opj_free(tcd_volume->tiles);
    }
}



/* ----------------------------------------------------------------------- */
void tcd_makelayer_fixed(opj_tcd_t *tcd, int layno, int final)
{
    int compno, resno, bandno, precno, cblkno;
    int value;          /*, matrice[tcd_tcp->numlayers][tcd_tile->comps[0].numresolution[0]][3]; */
    int matrice[10][10][3];
    int i, j, k;

    opj_cp_t *cp = tcd->cp;
    opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
    opj_tcp_t *tcd_tcp = tcd->tcp;

    /*matrice=(int*)opj_malloc(tcd_tcp->numlayers*tcd_tile->comps[0].numresolution[0]*3*sizeof(int)); */

    for (compno = 0; compno < tcd_tile->numcomps; compno++) {
        opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
        for (i = 0; i < tcd_tcp->numlayers; i++) {
            for (j = 0; j < tilec->numresolution[0]; j++) {
                for (k = 0; k < 3; k++) {
                    matrice[i][j][k] =
                        (int)(cp->matrice[i * tilec->numresolution[0] * 3 + j * 3 + k]
                              * (float)(tcd->volume->comps[compno].prec / 16.0));
                }
            }
        }

        for (resno = 0; resno < tilec->numresolution[0]; resno++) {
            opj_tcd_resolution_t *res = &tilec->resolutions[resno];
            for (bandno = 0; bandno < res->numbands; bandno++) {
                opj_tcd_band_t *band = &res->bands[bandno];
                for (precno = 0; precno < res->prctno[0] * res->prctno[1] * res->prctno[2];
                        precno++) {
                    opj_tcd_precinct_t *prc = &band->precincts[precno];
                    for (cblkno = 0; cblkno < prc->cblkno[0] * prc->cblkno[1] * prc->cblkno[2];
                            cblkno++) {
                        opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
                        opj_tcd_layer_t *layer = &cblk->layers[layno];
                        int n;
                        int imsb = tcd->volume->comps[compno].prec -
                                   cblk->numbps;  /* number of bit-plan equal to zero */
                        /* Correction of the matrix of coefficient to include the IMSB information */
                        if (layno == 0) {
                            value = matrice[layno][resno][bandno];
                            if (imsb >= value) {
                                value = 0;
                            } else {
                                value -= imsb;
                            }
                        } else {
                            value = matrice[layno][resno][bandno] - matrice[layno - 1][resno][bandno];
                            if (imsb >= matrice[layno - 1][resno][bandno]) {
                                value -= (imsb - matrice[layno - 1][resno][bandno]);
                                if (value < 0) {
                                    value = 0;
                                }
                            }
                        }

                        if (layno == 0) {
                            cblk->numpassesinlayers = 0;
                        }

                        n = cblk->numpassesinlayers;
                        if (cblk->numpassesinlayers == 0) {
                            if (value != 0) {
                                n = 3 * value - 2 + cblk->numpassesinlayers;
                            } else {
                                n = cblk->numpassesinlayers;
                            }
                        } else {
                            n = 3 * value + cblk->numpassesinlayers;
                        }

                        layer->numpasses = n - cblk->numpassesinlayers;

                        if (!layer->numpasses) {
                            continue;
                        }

                        if (cblk->numpassesinlayers == 0) {
                            layer->len = cblk->passes[n - 1].rate;
                            layer->data = cblk->data;
                        } else {
                            layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers -
                                         1].rate;
                            layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
                        }
                        if (final) {
                            cblk->numpassesinlayers = n;
                        }
                    }
                }
            }
        }
    }
}

void tcd_rateallocate_fixed(opj_tcd_t *tcd)
{
    int layno;
    for (layno = 0; layno < tcd->tcp->numlayers; layno++) {
        tcd_makelayer_fixed(tcd, layno, 1);
    }
}

void tcd_makelayer(opj_tcd_t *tcd, int layno, double thresh, int final)
{
    int compno, resno, bandno, precno, cblkno, passno;

    opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;

    tcd_tile->distolayer[layno] = 0;    /* fixed_quality */

    for (compno = 0; compno < tcd_tile->numcomps; compno++) {
        opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
        for (resno = 0; resno < tilec->numresolution[0]; resno++) {
            opj_tcd_resolution_t *res = &tilec->resolutions[resno];
            for (bandno = 0; bandno < res->numbands; bandno++) {
                opj_tcd_band_t *band = &res->bands[bandno];
                for (precno = 0; precno < res->prctno[0] * res->prctno[1] * res->prctno[2];
                        precno++) {
                    opj_tcd_precinct_t *prc = &band->precincts[precno];
                    for (cblkno = 0; cblkno < prc->cblkno[0] * prc->cblkno[1] * prc->cblkno[2];
                            cblkno++) {
                        opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
                        opj_tcd_layer_t *layer = &cblk->layers[layno];

                        int n;
                        if (layno == 0) {
                            cblk->numpassesinlayers = 0;
                        }
                        n = cblk->numpassesinlayers;
                        for (passno = cblk->numpassesinlayers; passno < cblk->totalpasses; passno++) {
                            int dr;
                            double dd;
                            opj_tcd_pass_t *pass = &cblk->passes[passno];
                            if (n == 0) {
                                dr = pass->rate;
                                dd = pass->distortiondec;
                            } else {
                                dr = pass->rate - cblk->passes[n - 1].rate;
                                dd = pass->distortiondec - cblk->passes[n - 1].distortiondec;
                            }
                            if (!dr) {
                                if (dd) {
                                    n = passno + 1;
                                }
                                continue;
                            }
                            if (dd / dr >= thresh) {
                                n = passno + 1;
                            }
                        }
                        layer->numpasses = n - cblk->numpassesinlayers;

                        if (!layer->numpasses) {
                            layer->disto = 0;
                            continue;
                        }
                        if (cblk->numpassesinlayers == 0) {
                            layer->len = cblk->passes[n - 1].rate;
                            layer->data = cblk->data;
                            layer->disto = cblk->passes[n - 1].distortiondec;
                        } else {
                            layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers -
                                         1].rate;
                            layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
                            layer->disto = cblk->passes[n - 1].distortiondec -
                                           cblk->passes[cblk->numpassesinlayers - 1].distortiondec;
                        }

                        tcd_tile->distolayer[layno] += layer->disto;    /* fixed_quality */

                        if (final) {
                            cblk->numpassesinlayers = n;
                        }

                        /*  fprintf(stdout,"MakeLayer : %d %f %d %d \n",layer->len, layer->disto, layer->numpasses, n);*/
                    }
                }
            }
        }
    }
}

bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len,
                      opj_volume_info_t * volume_info)
{
    int compno, resno, bandno, precno, cblkno, passno, layno;
    double min, max;
    double cumdisto[100];   /* fixed_quality */
    const double K = 1;     /* 1.1; // fixed_quality */
    double maxSE = 0;

    opj_cp_t *cp = tcd->cp;
    opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
    opj_tcp_t *tcd_tcp = tcd->tcp;

    min = DBL_MAX;
    max = 0;

    tcd_tile->nbpix = 0;        /* fixed_quality */

    for (compno = 0; compno < tcd_tile->numcomps; compno++) {
        opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
        tilec->nbpix = 0;
        for (resno = 0; resno < tilec->numresolution[0]; resno++) {
            opj_tcd_resolution_t *res = &tilec->resolutions[resno];
            for (bandno = 0; bandno < res->numbands; bandno++) {
                opj_tcd_band_t *band = &res->bands[bandno];
                for (precno = 0; precno < res->prctno[0] * res->prctno[1] * res->prctno[2];
                        precno++) {
                    opj_tcd_precinct_t *prc = &band->precincts[precno];
                    for (cblkno = 0; cblkno < prc->cblkno[0] * prc->cblkno[1] * prc->cblkno[2];
                            cblkno++) {
                        opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
                        for (passno = 0; passno < cblk->totalpasses; passno++) {
                            opj_tcd_pass_t *pass = &cblk->passes[passno];
                            int dr;
                            double dd, rdslope;
                            if (passno == 0) {
                                dr = pass->rate;
                                dd = pass->distortiondec;
                            } else {
                                dr = pass->rate - cblk->passes[passno - 1].rate;
                                dd = pass->distortiondec - cblk->passes[passno - 1].distortiondec;
                            }
                            if (dr == 0) {
                                continue;
                            }
                            rdslope = dd / dr;
                            if (rdslope < min) {
                                min = rdslope;
                            }
                            if (rdslope > max) {
                                max = rdslope;
                            }

                        } /* passno */

                        /* fixed_quality */
                        tcd_tile->nbpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0) *
                                            (cblk->z1 - cblk->z0));
                        tilec->nbpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0) *
                                         (cblk->z1 - cblk->z0));
                    } /* cbklno */
                } /* precno */
            } /* bandno */
        } /* resno */

        maxSE += (((double)(1 << tcd->volume->comps[compno].prec) - 1.0)
                  * ((double)(1 << tcd->volume->comps[compno].prec) - 1.0))
                 * ((double)(tilec->nbpix));
    } /* compno */

    /* add antonin index */
    if (volume_info && volume_info->index_on) {
        opj_tile_info_t *info_TL = &volume_info->tile[tcd->tcd_tileno];
        info_TL->nbpix = tcd_tile->nbpix;
        info_TL->distotile = tcd_tile->distotile;
        info_TL->thresh = (double *) opj_malloc(tcd_tcp->numlayers * sizeof(double));
    }
    /* dda */

    for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
        double lo = min;
        double hi = max;
        int success = 0;
        int maxlen = tcd_tcp->rates[layno] ? int_min(((int) tcd_tcp->rates[layno]),
                     len) : len;
        double goodthresh;
        double distotarget;     /* fixed_quality */
        int i = 0;

        /* fixed_quality */
        distotarget = tcd_tile->distotile - ((K * maxSE) / pow((float)10,
                                             tcd_tcp->distoratio[layno] / 10));

        if ((tcd_tcp->rates[layno]) || (cp->disto_alloc == 0)) {
            opj_t2_t *t2 = t2_create(tcd->cinfo, tcd->volume, cp);
            int oldl = 0, oldoldl = 0;
            for (i = 0; i < 128; i++) {
                double thresh = (lo + hi) / 2;
                int l = 0;
                double distoachieved = 0;   /* fixed_quality -q */

                tcd_makelayer(tcd, layno, thresh, 0);

                if (cp->fixed_quality) {    /* fixed_quality -q */
                    distoachieved = (layno == 0) ? tcd_tile->distolayer[0] : cumdisto[layno - 1] +
                                    tcd_tile->distolayer[layno];
                    if (distoachieved < distotarget) {
                        hi = thresh;
                        continue;
                    }
                    lo = thresh;
                } else {        /* disto_alloc -r, fixed_alloc -f */
                    l = t2_encode_packets(t2, tcd->tcd_tileno, tcd_tile, layno + 1, dest, maxlen,
                                          volume_info);
                    /*fprintf(stdout, "layno %d i %d len=%d max=%d \n",layno,i,l,maxlen);*/
                    if (l == -999) {
                        lo = thresh;
                        continue;
                    } else if (l == oldl && oldl == oldoldl && tcd_tile->distolayer[layno] > 0.0 &&
                               i > 32) {
                        break;
                    }
                    hi = thresh;
                    oldoldl = oldl;
                    oldl = l;
                }
                success = 1;
                goodthresh = thresh;
            }
            t2_destroy(t2);
        } else {
            success = 1;
            goodthresh = min;
        }
        if (!success) {
            return false;
        }

        if (volume_info && volume_info->index_on) { /* Threshold for Marcela Index */
            volume_info->tile[tcd->tcd_tileno].thresh[layno] = goodthresh;
        }
        tcd_makelayer(tcd, layno, goodthresh, 1);

        /* fixed_quality */
        cumdisto[layno] = (layno == 0) ? tcd_tile->distolayer[0] : cumdisto[layno - 1] +
                          tcd_tile->distolayer[layno];
    }

    return true;
}

/* ----------------------------------------------------------------------- */
int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len,
                    opj_volume_info_t * volume_info)
{
    int compno;
    int l = 0, i, npck = 0;
    double encoding_time;

    opj_tcd_tile_t  *tile = NULL;
    opj_tcp_t       *tcd_tcp = NULL;
    opj_cp_t        *cp = NULL;

    opj_tcp_t       *tcp = &tcd->cp->tcps[0];
    opj_tccp_t      *tccp = &tcp->tccps[0];
    opj_volume_t    *volume = tcd->volume;
    opj_t2_t        *t2 = NULL;     /* T2 component */

    tcd->tcd_tileno = tileno;           /* current encoded/decoded tile */

    tcd->tcd_tile = tcd->tcd_volume->tiles; /* tile information */
    tile = tcd->tcd_tile;

    tcd->tcp = &tcd->cp->tcps[tileno];  /* coding/decoding params of tileno */
    tcd_tcp = tcd->tcp;

    cp = tcd->cp;       /* coding parameters */

    /* INDEX >> */
    if (volume_info && volume_info->index_on) {
        opj_tcd_tilecomp_t *tilec_idx = &tile->comps[0];    /* based on component 0 */
        for (i = 0; i < tilec_idx->numresolution[0]; i++) {
            opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];

            volume_info->tile[tileno].prctno[0][i] = res_idx->prctno[0];
            volume_info->tile[tileno].prctno[1][i] = res_idx->prctno[1];
            volume_info->tile[tileno].prctno[2][i] = res_idx->prctno[2];

            npck += res_idx->prctno[0] * res_idx->prctno[1] * res_idx->prctno[2];

            volume_info->tile[tileno].prctsiz[0][i] = tccp->prctsiz[0][i];
            volume_info->tile[tileno].prctsiz[1][i] = tccp->prctsiz[1][i];
            volume_info->tile[tileno].prctsiz[2][i] = tccp->prctsiz[2][i];
        }
        volume_info->tile[tileno].packet = (opj_packet_info_t *) opj_malloc(
                                               volume_info->comp * volume_info->layer * npck * sizeof(opj_packet_info_t));
    }
    /* << INDEX */

    /*---------------TILE-------------------*/
    encoding_time = opj_clock();    /* time needed to encode a tile */

    for (compno = 0; compno < tile->numcomps; compno++) {
        int x, y, z;
        opj_tcd_tilecomp_t *tilec = &tile->comps[compno];

        int adjust;
        int offset_x = int_ceildiv(volume->x0,
                                   volume->comps[compno].dx); /*ceil(x0 / subsampling_dx)*/
        int offset_y = int_ceildiv(volume->y0, volume->comps[compno].dy);
        int offset_z = int_ceildiv(volume->z0, volume->comps[compno].dz);

        int tw = tilec->x1 - tilec->x0;
        int w = int_ceildiv(volume->x1 - volume->x0, volume->comps[compno].dx);
        int th = tilec->y1 - tilec->y0;
        int h = int_ceildiv(volume->y1 - volume->y0, volume->comps[compno].dy);
        int tl = tilec->z1 - tilec->z0;
        int l = int_ceildiv(volume->z1 - volume->z0, volume->comps[compno].dz);



        /* extract tile data from volume.comps[0].data to tile.comps[0].data */
        /*fprintf(stdout,"[INFO] Extract tile data\n");*/
        if (tcd->cp->transform_format == TRF_3D_RLS ||
                tcd->cp->transform_format == TRF_3D_LSE) {
            adjust = 0;
        } else {
            adjust = volume->comps[compno].sgnd ? 0 : 1 << (volume->comps[compno].prec -
                     1); /*sign=='+' --> 2^(prec-1)*/
            if (volume->comps[compno].dcoffset != 0) {
                adjust += volume->comps[compno].dcoffset;
                fprintf(stdout, "[INFO] DC Offset applied: DCO = %d -> adjust = %d\n",
                        volume->comps[compno].dcoffset, adjust);
            }
        }

        if (tcd_tcp->tccps[compno].reversible ==
                1) { /*IF perfect reconstruction (DWT.5-3)*/
            for (z = tilec->z0; z < tilec->z1; z++) {
                for (y = tilec->y0; y < tilec->y1; y++) {
                    /* start of the src tile scanline */
                    int *data = &volume->comps[compno].data[(tilec->x0 - offset_x) +
                                                            (y - offset_y) * w + (z - offset_z) * w * h];
                    /* start of the dst tile scanline */
                    int *tile_data = &tilec->data[(y - tilec->y0) * tw + (z - tilec->z0) * tw * th];
                    for (x = tilec->x0; x < tilec->x1; x++) {
                        *tile_data++ = *data++ - adjust;
                    }
                }
            }
        } else if (tcd_tcp->tccps[compno].reversible == 0) { /*IF not (DWT.9-7)*/
            for (z = tilec->z0; z < tilec->z1; z++) {
                for (y = tilec->y0; y < tilec->y1; y++) {
                    /* start of the src tile scanline */
                    int *data = &volume->comps[compno].data[(tilec->x0 - offset_x) +
                                                            (y - offset_y) * w + (z - offset_z) * w * h];
                    /* start of the dst tile scanline */
                    int *tile_data = &tilec->data[(y - tilec->y0) * tw + (z - tilec->z0) * tw * th];
                    for (x = tilec->x0; x < tilec->x1; x++) {
                        *tile_data++ = (*data++ - adjust) << 13;
                    }
                }
            }
        }

    }

    /*----------------MCT-------------------*/
    if (tcd_tcp->mct) {
        int samples = (tile->comps[0].x1 - tile->comps[0].x0) *
                      (tile->comps[0].y1 - tile->comps[0].y0) * (tile->comps[0].z1 -
                              tile->comps[0].z0);
        fprintf(stdout, "[INFO] Tcd_encode_tile: mct\n");
        if (tcd_tcp->tccps[0].reversible == 0) {
            mct_encode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data,
                            samples);
        } else {
            mct_encode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data,
                       samples);
        }
    }
    /*----------------TRANSFORM---------------------------------*/
    fprintf(stdout, "[INFO] Tcd_encode_tile: Transform\n");
    for (compno = 0; compno < tile->numcomps; compno++) {
        opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
        dwt_encode(tilec, tcd_tcp->tccps[compno].dwtid);
    }

    /*-------------------ENTROPY CODING-----------------------------*/
    fprintf(stdout, "[INFO] Tcd_encode_tile: Entropy coding\n");
    if ((cp->encoding_format == ENCOD_2EB) || (cp->encoding_format == ENCOD_3EB)) {
        if (cp->encoding_format == ENCOD_2EB) {
            opj_t1_t *t1 = NULL;
            t1 = t1_create(tcd->cinfo);
            t1_encode_cblks(t1, tile, tcd_tcp);
            t1_destroy(t1);
        } else if (cp->encoding_format == ENCOD_3EB) {
            opj_t1_3d_t *t1 = NULL;
            t1 = t1_3d_create(tcd->cinfo);
            t1_3d_encode_cblks(t1, tile, tcd_tcp);
            t1_3d_destroy(t1);
        }
        /*-----------RATE-ALLOCATE------------------*/
        /* INDEX */
        if (volume_info) {
            volume_info->index_write = 0;
        }
        if (cp->disto_alloc || cp->fixed_quality) {
            fprintf(stdout, "[INFO] Tcd_encode_tile: Rate-allocate\n");
            tcd_rateallocate(tcd, dest, len,
                             volume_info);          /* Normal Rate/distortion allocation */
        } else {/* fixed_alloc */
            fprintf(stdout, "[INFO] Tcd_encode_tile: Rate-allocate fixed\n");
            tcd_rateallocate_fixed(
                tcd);                            /* Fixed layer allocation */
        }

        /*--------------TIER2------------------*/
        /* INDEX */
        if (volume_info) {
            volume_info->index_write = 1;
        }
        fprintf(stdout, "[INFO] Tcd_encode_tile: Tier - 2\n");
        t2 = t2_create(tcd->cinfo, volume, cp);
        l = t2_encode_packets(t2, tileno, tile, tcd_tcp->numlayers, dest, len,
                              volume_info);
        t2_destroy(t2);
    } else if ((cp->encoding_format == ENCOD_2GR) ||
               (cp->encoding_format == ENCOD_3GR)) {
        /*if(volume_info) {
            volume_info->index_write = 1;
        }
        gr = golomb_create(tcd->cinfo, volume, cp);
        l = golomb_encode(gr, tileno, tile, dest, len, volume_info);
        golomb_destroy(gr);*/
    }


    /*---------------CLEAN-------------------*/
    fprintf(stdout, "[INFO] Tcd_encode_tile: %d bytes coded\n", l);
    encoding_time = opj_clock() - encoding_time;
    opj_event_msg(tcd->cinfo, EVT_INFO, "- tile encoded in %f s\n", encoding_time);

    /* cleaning memory */
    for (compno = 0; compno < tile->numcomps; compno++) {
        tcd->tilec = &tile->comps[compno];
        opj_free(tcd->tilec->data);
    }

    if (l == -999) {
        fprintf(stdout, "[ERROR] Unable to perform T2 tier. Return -999.\n");
        return 0;
    }

    return l;
}


bool tcd_decode_tile(opj_tcd_t *tcd, unsigned char *src, int len, int tileno)
{
    int l, i;
    int compno, eof = 0;
    double tile_time, t1_time, dwt_time;

    opj_tcd_tile_t *tile = NULL;
    opj_t2_t *t2 = NULL;        /* T2 component */

    tcd->tcd_tileno = tileno;
    tcd->tcd_tile = &(tcd->tcd_volume->tiles[tileno]);
    tcd->tcp = &(tcd->cp->tcps[tileno]);
    tile = tcd->tcd_tile;

    tile_time = opj_clock();    /* time needed to decode a tile */
    opj_event_msg(tcd->cinfo, EVT_INFO, "tile %d / %d\n", tileno + 1,
                  tcd->cp->tw * tcd->cp->th * tcd->cp->tl);

    if ((tcd->cp->encoding_format == ENCOD_2EB) ||
            (tcd->cp->encoding_format == ENCOD_3EB)) {
        /*--------------TIER2------------------*/
        t2 = t2_create(tcd->cinfo, tcd->volume, tcd->cp);
        l = t2_decode_packets(t2, src, len, tileno, tile);
        t2_destroy(t2);
        opj_event_msg(tcd->cinfo, EVT_INFO, "Tcd_decode_tile: %d bytes decoded\n", l);

        if (l == -999) {
            eof = 1;
            opj_event_msg(tcd->cinfo, EVT_ERROR, "Tcd_decode_tile: incomplete bitstream\n");
        }

        /*------------------TIER1-----------------*/
        opj_event_msg(tcd->cinfo, EVT_INFO, "Tcd_decode_tile: Entropy decoding %d \n",
                      tcd->cp->encoding_format);
        t1_time = opj_clock();  /* time needed to decode a tile */
        if (tcd->cp->encoding_format == ENCOD_2EB) {
            opj_t1_t *t1 = NULL;        /* T1 component */
            t1 = t1_create(tcd->cinfo);
            t1_decode_cblks(t1, tile, tcd->tcp);
            t1_destroy(t1);
        } else if (tcd->cp->encoding_format == ENCOD_3EB) {
            opj_t1_3d_t *t1 = NULL;     /* T1 component */
            t1 = t1_3d_create(tcd->cinfo);
            t1_3d_decode_cblks(t1, tile, tcd->tcp);
            t1_3d_destroy(t1);
        }

        t1_time = opj_clock() - t1_time;
#ifdef VERBOSE
        opj_event_msg(tcd->cinfo, EVT_INFO, "- tier-1 took %f s\n", t1_time);
#endif
    } else if ((tcd->cp->encoding_format == ENCOD_2GR) ||
               (tcd->cp->encoding_format == ENCOD_3GR)) {
        opj_event_msg(tcd->cinfo, EVT_INFO,
                      "Tcd_decode_tile: Entropy decoding -- Does nothing :-D\n");
        /*
        gr = golomb_create(tcd->cinfo, tcd->volume, tcd->cp);
        l = golomb_decode(gr, tileno, tile, src, len);
        golomb_destroy(gr);
        if (l == -999) {
            eof = 1;
            opj_event_msg(tcd->cinfo, EVT_ERROR, "Tcd_decode_tile: incomplete bitstream\n");
        }
        */
    }

    /*----------------DWT---------------------*/
    fprintf(stdout, "[INFO] Tcd_decode_tile: Inverse DWT\n");
    dwt_time = opj_clock(); /* time needed to decode a tile */
    for (compno = 0; compno < tile->numcomps; compno++) {
        opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
        int stops[3], dwtid[3];

        for (i = 0; i < 3; i++) {
            if (tcd->cp->reduce[i] != 0) {
                tcd->volume->comps[compno].resno_decoded[i] =
                    tile->comps[compno].numresolution[i] - tcd->cp->reduce[i] - 1;
            }
            stops[i] = tilec->numresolution[i] - 1 -
                       tcd->volume->comps[compno].resno_decoded[i];
            if (stops[i] < 0) {
                stops[i] = 0;
            }
            dwtid[i] = tcd->cp->tcps->tccps[compno].dwtid[i];
        }

        dwt_decode(tilec, stops, dwtid);

        for (i = 0; i < 3; i++) {
            if (tile->comps[compno].numresolution[i] > 0) {
                tcd->volume->comps[compno].factor[i] = tile->comps[compno].numresolution[i] -
                                                       (tcd->volume->comps[compno].resno_decoded[i] + 1);
                if ((tcd->volume->comps[compno].factor[i]) < 0) {
                    tcd->volume->comps[compno].factor[i] = 0;
                }
            }
        }
    }
    dwt_time = opj_clock() - dwt_time;
#ifdef VERBOSE
    opj_event_msg(tcd->cinfo, EVT_INFO, "- dwt took %f s\n", dwt_time);
#endif

    /*----------------MCT-------------------*/

    if (tcd->tcp->mct) {
        if (tcd->tcp->tccps[0].reversible == 1) {
            mct_decode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data,
                       (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 -
                               tile->comps[0].y0) * (tile->comps[0].z1 - tile->comps[0].z0));
        } else {
            mct_decode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data,
                            (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 -
                                    tile->comps[0].y0) * (tile->comps[0].z1 - tile->comps[0].z0));
        }
    }

    /*---------------TILE-------------------*/

    for (compno = 0; compno < tile->numcomps; compno++) {
        opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
        opj_tcd_resolution_t *res =
            &tilec->resolutions[tcd->volume->comps[compno].resno_decoded[0]];
        int adjust;
        int minval = tcd->volume->comps[compno].sgnd ? -(1 <<
                     (tcd->volume->comps[compno].prec - 1)) : 0;
        int maxval = tcd->volume->comps[compno].sgnd ? (1 <<
                     (tcd->volume->comps[compno].prec - 1)) - 1 : (1 <<
                             tcd->volume->comps[compno].prec) - 1;

        int tw = tilec->x1 - tilec->x0;
        int w = tcd->volume->comps[compno].w;
        int th = tilec->y1 - tilec->y0;
        int h = tcd->volume->comps[compno].h;

        int i, j, k;
        int offset_x = int_ceildivpow2(tcd->volume->comps[compno].x0,
                                       tcd->volume->comps[compno].factor[0]);
        int offset_y = int_ceildivpow2(tcd->volume->comps[compno].y0,
                                       tcd->volume->comps[compno].factor[1]);
        int offset_z = int_ceildivpow2(tcd->volume->comps[compno].z0,
                                       tcd->volume->comps[compno].factor[2]);

        if (tcd->cp->transform_format == TRF_3D_RLS ||
                tcd->cp->transform_format == TRF_3D_LSE) {
            adjust = 0;
        } else {
            adjust = tcd->volume->comps[compno].sgnd ? 0 : 1 <<
                     (tcd->volume->comps[compno].prec - 1); /*sign=='+' --> 2^(prec-1)*/
            if (tcd->volume->comps[compno].dcoffset != 0) {
                adjust += tcd->volume->comps[compno].dcoffset;
                fprintf(stdout, "[INFO] DC Offset applied: DCO = %d -> adjust = %d\n",
                        tcd->volume->comps[compno].dcoffset, adjust);
            }
        }

        for (k = res->z0; k < res->z1; k++) {
            for (j = res->y0; j < res->y1; j++) {
                for (i = res->x0; i < res->x1; i++) {
                    int v;
                    float tmp = (float)((tilec->data[i - res->x0 + (j - res->y0) * tw +
                                                       (k - res->z0) * tw * th]) / 8192.0);

                    if (tcd->tcp->tccps[compno].reversible == 1) {
                        v = tilec->data[i - res->x0 + (j - res->y0) * tw + (k - res->z0) * tw * th];
                    } else {
                        int tmp2 = ((int)(floor(fabs(tmp)))) + ((int) floor(fabs(tmp * 2)) % 2);
                        v = ((tmp < 0) ? -tmp2 : tmp2);
                    }
                    v += adjust;

                    tcd->volume->comps[compno].data[(i - offset_x) + (j - offset_y) * w +
                                                    (k - offset_z) * w * h] = int_clamp(v, minval, maxval);
                }
            }
        }
    }

    tile_time = opj_clock() - tile_time;    /* time needed to decode a tile */
    opj_event_msg(tcd->cinfo, EVT_INFO, "- tile decoded in %f s\n", tile_time);

    for (compno = 0; compno < tile->numcomps; compno++) {
        opj_free(tcd->tcd_volume->tiles[tileno].comps[compno].data);
        tcd->tcd_volume->tiles[tileno].comps[compno].data = NULL;
    }

    if (eof) {
        return false;
    }

    return true;
}

