/*
 * 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) 2002-2014, Universite catholique de Louvain (UCL), Belgium
 * Copyright (c) 2002-2014, Professor Benoit Macq
 * Copyright (c) 2001-2003, David Janssens
 * Copyright (c) 2002-2003, Yannick Verschueren
 * Copyright (c) 2003-2007, Francois-Olivier Devaux
 * Copyright (c) 2003-2014, Antonin Descampe
 * Copyright (c) 2005, Herve Drolon, FreeImage Team
 * Copyright (c) 2006-2007, Parvatha Elangovan
 * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR
 * Copyright (c) 2012, CS Systemes d'Information, France
 * Copyright (c) 2017, IntoPIX SA <support@intopix.com>
 * 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"
#include "opj_common.h"

// #define DEBUG_RATE_ALLOC

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

/* TODO MSD: */
#ifdef TODO_MSD
void tcd_dump(FILE *fd, opj_tcd_t *tcd, opj_tcd_image_t * img)
{
    int tileno, compno, resno, bandno, precno;/*, cblkno;*/

    fprintf(fd, "image {\n");
    fprintf(fd, "  tw=%d, th=%d x0=%d x1=%d y0=%d y1=%d\n",
            img->tw, img->th, tcd->image->x0, tcd->image->x1, tcd->image->y0,
            tcd->image->y1);

    for (tileno = 0; tileno < img->th * img->tw; tileno++) {
        opj_tcd_tile_t *tile = &tcd->tcd_image->tiles[tileno];
        fprintf(fd, "  tile {\n");
        fprintf(fd, "    x0=%d, y0=%d, x1=%d, y1=%d, numcomps=%d\n",
                tile->x0, tile->y0, tile->x1, tile->y1, tile->numcomps);
        for (compno = 0; compno < tile->numcomps; compno++) {
            opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
            fprintf(fd, "    tilec {\n");
            fprintf(fd,
                    "      x0=%d, y0=%d, x1=%d, y1=%d, numresolutions=%d\n",
                    tilec->x0, tilec->y0, tilec->x1, tilec->y1, tilec->numresolutions);
            for (resno = 0; resno < tilec->numresolutions; resno++) {
                opj_tcd_resolution_t *res = &tilec->resolutions[resno];
                fprintf(fd, "\n   res {\n");
                fprintf(fd,
                        "          x0=%d, y0=%d, x1=%d, y1=%d, pw=%d, ph=%d, numbands=%d\n",
                        res->x0, res->y0, res->x1, res->y1, res->pw, res->ph, res->numbands);
                for (bandno = 0; bandno < res->numbands; bandno++) {
                    opj_tcd_band_t *band = &res->bands[bandno];
                    fprintf(fd, "        band {\n");
                    fprintf(fd,
                            "          x0=%d, y0=%d, x1=%d, y1=%d, stepsize=%f, numbps=%d\n",
                            band->x0, band->y0, band->x1, band->y1, band->stepsize, band->numbps);
                    for (precno = 0; precno < res->pw * res->ph; precno++) {
                        opj_tcd_precinct_t *prec = &band->precincts[precno];
                        fprintf(fd, "          prec {\n");
                        fprintf(fd,
                                "            x0=%d, y0=%d, x1=%d, y1=%d, cw=%d, ch=%d\n",
                                prec->x0, prec->y0, prec->x1, prec->y1, prec->cw, prec->ch);
                        /*
                        for (cblkno = 0; cblkno < prec->cw * prec->ch; cblkno++) {
                                opj_tcd_cblk_t *cblk = &prec->cblks[cblkno];
                                fprintf(fd, "            cblk {\n");
                                fprintf(fd,
                                        "              x0=%d, y0=%d, x1=%d, y1=%d\n",
                                        cblk->x0, cblk->y0, cblk->x1, cblk->y1);
                                fprintf(fd, "            }\n");
                        }
                        */
                        fprintf(fd, "          }\n");
                    }
                    fprintf(fd, "        }\n");
                }
                fprintf(fd, "      }\n");
            }
            fprintf(fd, "    }\n");
        }
        fprintf(fd, "  }\n");
    }
    fprintf(fd, "}\n");
}
#endif

/**
 * Initializes tile coding/decoding
 */
static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
        OPJ_BOOL isEncoder, OPJ_SIZE_T sizeof_block,
        opj_event_mgr_t* manager);

/**
* Allocates memory for a decoding code block.
*/
static OPJ_BOOL opj_tcd_code_block_dec_allocate(opj_tcd_cblk_dec_t *
        p_code_block);

/**
 * Deallocates the decoding data of the given precinct.
 */
static void opj_tcd_code_block_dec_deallocate(opj_tcd_precinct_t * p_precinct);

/**
 * Allocates memory for an encoding code block (but not data).
 */
static OPJ_BOOL opj_tcd_code_block_enc_allocate(opj_tcd_cblk_enc_t *
        p_code_block);

/**
 * Allocates data for an encoding code block
 */
static OPJ_BOOL opj_tcd_code_block_enc_allocate_data(opj_tcd_cblk_enc_t *
        p_code_block);

/**
 * Deallocates the encoding data of the given precinct.
 */
static void opj_tcd_code_block_enc_deallocate(opj_tcd_precinct_t * p_precinct);

static
void opj_tcd_makelayer_fixed(opj_tcd_t *tcd, OPJ_UINT32 layno,
                             OPJ_UINT32 final);

/**
Free the memory allocated for encoding
@param tcd TCD handle
*/
static void opj_tcd_free_tile(opj_tcd_t *tcd);


static OPJ_BOOL opj_tcd_t2_decode(opj_tcd_t *p_tcd,
                                  OPJ_BYTE * p_src_data,
                                  OPJ_UINT32 * p_data_read,
                                  OPJ_UINT32 p_max_src_size,
                                  opj_codestream_index_t *p_cstr_index,
                                  opj_event_mgr_t *p_manager);

static OPJ_BOOL opj_tcd_t1_decode(opj_tcd_t *p_tcd,
                                  opj_event_mgr_t *p_manager);

static OPJ_BOOL opj_tcd_dwt_decode(opj_tcd_t *p_tcd);

static OPJ_BOOL opj_tcd_mct_decode(opj_tcd_t *p_tcd,
                                   opj_event_mgr_t *p_manager);

static OPJ_BOOL opj_tcd_dc_level_shift_decode(opj_tcd_t *p_tcd);


static OPJ_BOOL opj_tcd_dc_level_shift_encode(opj_tcd_t *p_tcd);

static OPJ_BOOL opj_tcd_mct_encode(opj_tcd_t *p_tcd);

static OPJ_BOOL opj_tcd_dwt_encode(opj_tcd_t *p_tcd);

static OPJ_BOOL opj_tcd_t1_encode(opj_tcd_t *p_tcd);

static OPJ_BOOL opj_tcd_t2_encode(opj_tcd_t *p_tcd,
                                  OPJ_BYTE * p_dest_data,
                                  OPJ_UINT32 * p_data_written,
                                  OPJ_UINT32 p_max_dest_size,
                                  opj_codestream_info_t *p_cstr_info,
                                  opj_tcd_marker_info_t* p_marker_info,
                                  opj_event_mgr_t *p_manager);

static OPJ_BOOL opj_tcd_rate_allocate_encode(opj_tcd_t *p_tcd,
        OPJ_BYTE * p_dest_data,
        OPJ_UINT32 p_max_dest_size,
        opj_codestream_info_t *p_cstr_info,
        opj_event_mgr_t *p_manager);


static OPJ_BOOL opj_tcd_is_whole_tilecomp_decoding(opj_tcd_t *tcd,
        OPJ_UINT32 compno);

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

/**
Create a new TCD handle
*/
opj_tcd_t* opj_tcd_create(OPJ_BOOL p_is_decoder)
{
    opj_tcd_t *l_tcd = 00;

    /* create the tcd structure */
    l_tcd = (opj_tcd_t*) opj_calloc(1, sizeof(opj_tcd_t));
    if (!l_tcd) {
        return 00;
    }

    l_tcd->m_is_decoder = p_is_decoder ? 1 : 0;

    l_tcd->tcd_image = (opj_tcd_image_t*)opj_calloc(1, sizeof(opj_tcd_image_t));
    if (!l_tcd->tcd_image) {
        opj_free(l_tcd);
        return 00;
    }

    return l_tcd;
}


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

static
void opj_tcd_rateallocate_fixed(opj_tcd_t *tcd)
{
    OPJ_UINT32 layno;

    for (layno = 0; layno < tcd->tcp->numlayers; layno++) {
        opj_tcd_makelayer_fixed(tcd, layno, 1);
    }
}


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

/** Returns OPJ_TRUE if the layer allocation is unchanged w.r.t to the previous
 * invocation with a different threshold */
static
OPJ_BOOL opj_tcd_makelayer(opj_tcd_t *tcd,
                           OPJ_UINT32 layno,
                           OPJ_FLOAT64 thresh,
                           OPJ_UINT32 final)
{
    OPJ_UINT32 compno, resno, bandno, precno, cblkno;
    OPJ_UINT32 passno;

    opj_tcd_tile_t *tcd_tile = tcd->tcd_image->tiles;
    OPJ_BOOL layer_allocation_is_same = OPJ_TRUE;

    tcd_tile->distolayer[layno] = 0;

    for (compno = 0; compno < tcd_tile->numcomps; compno++) {
        opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];

        for (resno = 0; resno < tilec->numresolutions; resno++) {
            opj_tcd_resolution_t *res = &tilec->resolutions[resno];

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

                /* Skip empty bands */
                if (opj_tcd_is_band_empty(band)) {
                    continue;
                }

                for (precno = 0; precno < res->pw * res->ph; precno++) {
                    opj_tcd_precinct_t *prc = &band->precincts[precno];

                    for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
                        opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
                        opj_tcd_layer_t *layer = &cblk->layers[layno];
                        OPJ_UINT32 n;

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

                        n = cblk->numpassesinlayers;

                        if (thresh < 0) {
                            /* Special value to indicate to use all passes */
                            n = cblk->totalpasses;
                        } else {
                            for (passno = cblk->numpassesinlayers; passno < cblk->totalpasses; passno++) {
                                OPJ_UINT32 dr;
                                OPJ_FLOAT64 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 != 0) {
                                        n = passno + 1;
                                    }
                                    continue;
                                }
                                if (thresh - (dd / dr) <
                                        DBL_EPSILON) { /* do not rely on float equality, check with DBL_EPSILON margin */
                                    n = passno + 1;
                                }
                            }
                        }

                        if (layer->numpasses != n - cblk->numpassesinlayers) {
                            layer_allocation_is_same = OPJ_FALSE;
                            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;

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

/** For m_quality_layer_alloc_strategy == FIXED_LAYER */
static
void opj_tcd_makelayer_fixed(opj_tcd_t *tcd, OPJ_UINT32 layno,
                             OPJ_UINT32 final)
{
    OPJ_UINT32 compno, resno, bandno, precno, cblkno;
    OPJ_INT32 value;                        /*, matrice[tcd_tcp->numlayers][tcd_tile->comps[0].numresolutions][3]; */
    OPJ_INT32 matrice[J2K_TCD_MATRIX_MAX_LAYER_COUNT][J2K_TCD_MATRIX_MAX_RESOLUTION_COUNT][3];
    OPJ_UINT32 i, j, k;

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

    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->numresolutions; j++) {
                for (k = 0; k < 3; k++) {
                    matrice[i][j][k] =
                        (OPJ_INT32)((OPJ_FLOAT32)cp->m_specific_param.m_enc.m_matrice[i *
                                      tilec->numresolutions * 3 + j * 3 + k]
                                    * (OPJ_FLOAT32)(tcd->image->comps[compno].prec / 16.0));
                }
            }
        }

        for (resno = 0; resno < tilec->numresolutions; resno++) {
            opj_tcd_resolution_t *res = &tilec->resolutions[resno];

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

                /* Skip empty bands */
                if (opj_tcd_is_band_empty(band)) {
                    continue;
                }

                for (precno = 0; precno < res->pw * res->ph; precno++) {
                    opj_tcd_precinct_t *prc = &band->precincts[precno];

                    for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
                        opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
                        opj_tcd_layer_t *layer = &cblk->layers[layno];
                        OPJ_UINT32 n;
                        OPJ_INT32 imsb = (OPJ_INT32)(tcd->image->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 * (OPJ_UINT32)value - 2 + cblk->numpassesinlayers;
                            } else {
                                n = cblk->numpassesinlayers;
                            }
                        } else {
                            n = 3 * (OPJ_UINT32)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;
                        }
                    }
                }
            }
        }
    }
}

/** Rate allocation for the following methods:
 * - allocation by rate/distortio (m_quality_layer_alloc_strategy == RATE_DISTORTION_RATIO)
 * - allocation by fixed quality  (m_quality_layer_alloc_strategy == FIXED_DISTORTION_RATIO)
 */
static
OPJ_BOOL opj_tcd_rateallocate(opj_tcd_t *tcd,
                              OPJ_BYTE *dest,
                              OPJ_UINT32 * p_data_written,
                              OPJ_UINT32 len,
                              opj_codestream_info_t *cstr_info,
                              opj_event_mgr_t *p_manager)
{
    OPJ_UINT32 compno, resno, bandno, precno, cblkno, layno;
    OPJ_UINT32 passno;
    OPJ_FLOAT64 min, max;
    OPJ_FLOAT64 cumdisto[100];
    const OPJ_FLOAT64 K = 1;
    OPJ_FLOAT64 maxSE = 0;

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

    min = DBL_MAX;
    max = 0;

    tcd_tile->numpix = 0;

    for (compno = 0; compno < tcd_tile->numcomps; compno++) {
        opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
        tilec->numpix = 0;

        for (resno = 0; resno < tilec->numresolutions; resno++) {
            opj_tcd_resolution_t *res = &tilec->resolutions[resno];

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

                /* Skip empty bands */
                if (opj_tcd_is_band_empty(band)) {
                    continue;
                }

                for (precno = 0; precno < res->pw * res->ph; precno++) {
                    opj_tcd_precinct_t *prc = &band->precincts[precno];

                    for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
                        opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];

                        for (passno = 0; passno < cblk->totalpasses; passno++) {
                            opj_tcd_pass_t *pass = &cblk->passes[passno];
                            OPJ_INT32 dr;
                            OPJ_FLOAT64 dd, rdslope;

                            if (passno == 0) {
                                dr = (OPJ_INT32)pass->rate;
                                dd = pass->distortiondec;
                            } else {
                                dr = (OPJ_INT32)(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 */

                        {
                            const OPJ_SIZE_T cblk_pix_count = (OPJ_SIZE_T)((cblk->x1 - cblk->x0) *
                                                              (cblk->y1 - cblk->y0));
                            tcd_tile->numpix += cblk_pix_count;
                            tilec->numpix += cblk_pix_count;
                        }
                    } /* cbklno */
                } /* precno */
            } /* bandno */
        } /* resno */

        maxSE += (((OPJ_FLOAT64)(1 << tcd->image->comps[compno].prec) - 1.0)
                  * ((OPJ_FLOAT64)(1 << tcd->image->comps[compno].prec) - 1.0))
                 * ((OPJ_FLOAT64)(tilec->numpix));
    } /* compno */

    /* index file */
    if (cstr_info) {
        opj_tile_info_t *tile_info = &cstr_info->tile[tcd->tcd_tileno];
        tile_info->numpix = (int)tcd_tile->numpix;
        tile_info->distotile = (int)tcd_tile->distotile;
        tile_info->thresh = (OPJ_FLOAT64 *) opj_malloc(tcd_tcp->numlayers * sizeof(
                                OPJ_FLOAT64));
        if (!tile_info->thresh) {
            /* FIXME event manager error callback */
            return OPJ_FALSE;
        }
    }

    for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
        OPJ_FLOAT64 lo = min;
        OPJ_FLOAT64 hi = max;
        OPJ_UINT32 maxlen = tcd_tcp->rates[layno] > 0.0f ? opj_uint_min(((
                                OPJ_UINT32) ceil(tcd_tcp->rates[layno])), len) : len;
        OPJ_FLOAT64 goodthresh = 0;
        OPJ_FLOAT64 stable_thresh = 0;
        OPJ_UINT32 i;
        OPJ_FLOAT64 distotarget;

        distotarget = tcd_tile->distotile - ((K * maxSE) / pow((OPJ_FLOAT32)10,
                                             tcd_tcp->distoratio[layno] / 10));

        /* Don't try to find an optimal threshold but rather take everything not included yet, if
          -r xx,yy,zz,0   (m_quality_layer_alloc_strategy == RATE_DISTORTION_RATIO and rates == NULL)
          -q xx,yy,zz,0   (m_quality_layer_alloc_strategy == FIXED_DISTORTION_RATIO and distoratio == NULL)
          ==> possible to have some lossy layers and the last layer for sure lossless */
        if (((cp->m_specific_param.m_enc.m_quality_layer_alloc_strategy ==
                RATE_DISTORTION_RATIO) &&
                (tcd_tcp->rates[layno] > 0.0f)) ||
                ((cp->m_specific_param.m_enc.m_quality_layer_alloc_strategy ==
                  FIXED_DISTORTION_RATIO) &&
                 (tcd_tcp->distoratio[layno] > 0.0))) {
            opj_t2_t*t2 = opj_t2_create(tcd->image, cp);
            OPJ_FLOAT64 thresh = 0;
            OPJ_BOOL last_layer_allocation_ok = OPJ_FALSE;

            if (t2 == 00) {
                return OPJ_FALSE;
            }

            for (i = 0; i < 128; ++i) {
                OPJ_FLOAT64 distoachieved = 0;
                OPJ_BOOL layer_allocation_is_same;

                OPJ_FLOAT64 new_thresh = (lo + hi) / 2;
                /* Stop iterating when the threshold has stabilized enough */
                /* 0.5 * 1e-5 is somewhat arbitrary, but has been selected */
                /* so that this doesn't change the results of the regression */
                /* test suite. */
                if (fabs(new_thresh - thresh) <= 0.5 * 1e-5 * thresh) {
                    break;
                }
                thresh = new_thresh;
#ifdef DEBUG_RATE_ALLOC
                opj_event_msg(p_manager, EVT_INFO, "layno=%u, iter=%u, thresh=%g",
                              layno, i, new_thresh);
#endif

                layer_allocation_is_same = opj_tcd_makelayer(tcd, layno, thresh, 0) && i != 0;
#ifdef DEBUG_RATE_ALLOC
                opj_event_msg(p_manager, EVT_INFO, "--> layer_allocation_is_same = %d",
                              layer_allocation_is_same);
#endif
                if (cp->m_specific_param.m_enc.m_quality_layer_alloc_strategy ==
                        FIXED_DISTORTION_RATIO) {
                    if (OPJ_IS_CINEMA(cp->rsiz) || OPJ_IS_IMF(cp->rsiz)) {
                        if (! opj_t2_encode_packets(t2, tcd->tcd_tileno, tcd_tile, layno + 1, dest,
                                                    p_data_written, maxlen, cstr_info, NULL, tcd->cur_tp_num, tcd->tp_pos,
                                                    tcd->cur_pino,
                                                    THRESH_CALC, p_manager)) {

                            lo = thresh;
                            continue;
                        } else {
                            distoachieved = layno == 0 ?
                                            tcd_tile->distolayer[0] : cumdisto[layno - 1] + tcd_tile->distolayer[layno];

                            if (distoachieved < distotarget) {
                                hi = thresh;
                                stable_thresh = thresh;
                                continue;
                            } else {
                                lo = thresh;
                            }
                        }
                    } else {
                        distoachieved = (layno == 0) ?
                                        tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);

                        if (distoachieved < distotarget) {
                            hi = thresh;
                            stable_thresh = thresh;
                            continue;
                        }
                        lo = thresh;
                    }
                } else { /* Disto/rate based optimization */
                    /* Check if the layer allocation done by opj_tcd_makelayer()
                     * is compatible of the maximum rate allocation. If not,
                     * retry with a higher threshold.
                     * If OK, try with a lower threshold.
                     * Call opj_t2_encode_packets() only if opj_tcd_makelayer()
                     * has resulted in different truncation points since its last
                     * call. */
                    if ((layer_allocation_is_same && !last_layer_allocation_ok) ||
                            (!layer_allocation_is_same &&
                             ! opj_t2_encode_packets(t2, tcd->tcd_tileno, tcd_tile, layno + 1, dest,
                                                     p_data_written, maxlen, cstr_info, NULL, tcd->cur_tp_num, tcd->tp_pos,
                                                     tcd->cur_pino,
                                                     THRESH_CALC, p_manager))) {

#ifdef DEBUG_RATE_ALLOC
                        if (!layer_allocation_is_same) {
                            opj_event_msg(p_manager, EVT_INFO,
                                          "--> check rate alloc failed (> maxlen=%u)\n", maxlen);
                        }
#endif
                        last_layer_allocation_ok = OPJ_FALSE;
                        lo = thresh;
                        continue;
                    }

#ifdef DEBUG_RATE_ALLOC
                    if (!layer_allocation_is_same) {
                        opj_event_msg(p_manager, EVT_INFO,
                                      "--> check rate alloc success (len=%u <= maxlen=%u)\n", *p_data_written,
                                      maxlen);
                    }
#endif

                    last_layer_allocation_ok = OPJ_TRUE;
                    hi = thresh;
                    stable_thresh = thresh;
                }
            }

            goodthresh = stable_thresh == 0 ? thresh : stable_thresh;

            opj_t2_destroy(t2);
        } else {
            /* Special value to indicate to use all passes */
            goodthresh = -1;
        }

        if (cstr_info) { /* Threshold for Marcela Index */
            cstr_info->tile[tcd->tcd_tileno].thresh[layno] = goodthresh;
        }

        opj_tcd_makelayer(tcd, layno, goodthresh, 1);

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

    return OPJ_TRUE;
}

OPJ_BOOL opj_tcd_init(opj_tcd_t *p_tcd,
                      opj_image_t * p_image,
                      opj_cp_t * p_cp,
                      opj_thread_pool_t* p_tp)
{
    p_tcd->image = p_image;
    p_tcd->cp = p_cp;

    p_tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_calloc(1,
                              sizeof(opj_tcd_tile_t));
    if (! p_tcd->tcd_image->tiles) {
        return OPJ_FALSE;
    }

    p_tcd->tcd_image->tiles->comps = (opj_tcd_tilecomp_t *) opj_calloc(
                                         p_image->numcomps, sizeof(opj_tcd_tilecomp_t));
    if (! p_tcd->tcd_image->tiles->comps) {
        return OPJ_FALSE;
    }

    p_tcd->tcd_image->tiles->numcomps = p_image->numcomps;
    p_tcd->tp_pos = p_cp->m_specific_param.m_enc.m_tp_pos;
    p_tcd->thread_pool = p_tp;

    return OPJ_TRUE;
}

/**
Destroy a previously created TCD handle
*/
void opj_tcd_destroy(opj_tcd_t *tcd)
{
    if (tcd) {
        opj_tcd_free_tile(tcd);

        if (tcd->tcd_image) {
            opj_free(tcd->tcd_image);
            tcd->tcd_image = 00;
        }

        opj_free(tcd->used_component);

        opj_free(tcd);
    }
}

OPJ_BOOL opj_alloc_tile_component_data(opj_tcd_tilecomp_t *l_tilec)
{
    if ((l_tilec->data == 00) ||
            ((l_tilec->data_size_needed > l_tilec->data_size) &&
             (l_tilec->ownsData == OPJ_FALSE))) {
        l_tilec->data = (OPJ_INT32 *) opj_image_data_alloc(l_tilec->data_size_needed);
        if (!l_tilec->data && l_tilec->data_size_needed != 0) {
            return OPJ_FALSE;
        }
        /*fprintf(stderr, "tAllocate data of tilec (int): %d x OPJ_UINT32n",l_data_size);*/
        l_tilec->data_size = l_tilec->data_size_needed;
        l_tilec->ownsData = OPJ_TRUE;
    } else if (l_tilec->data_size_needed > l_tilec->data_size) {
        /* We don't need to keep old data */
        opj_image_data_free(l_tilec->data);
        l_tilec->data = (OPJ_INT32 *) opj_image_data_alloc(l_tilec->data_size_needed);
        if (! l_tilec->data) {
            l_tilec->data_size = 0;
            l_tilec->data_size_needed = 0;
            l_tilec->ownsData = OPJ_FALSE;
            return OPJ_FALSE;
        }
        /*fprintf(stderr, "tReallocate data of tilec (int): from %d to %d x OPJ_UINT32n", l_tilec->data_size, l_data_size);*/
        l_tilec->data_size = l_tilec->data_size_needed;
        l_tilec->ownsData = OPJ_TRUE;
    }
    return OPJ_TRUE;
}

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

static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
        OPJ_BOOL isEncoder, OPJ_SIZE_T sizeof_block,
        opj_event_mgr_t* manager)
{
    OPJ_UINT32 compno, resno, bandno, precno, cblkno;
    opj_tcp_t * l_tcp = 00;
    opj_cp_t * l_cp = 00;
    opj_tcd_tile_t * l_tile = 00;
    opj_tccp_t *l_tccp = 00;
    opj_tcd_tilecomp_t *l_tilec = 00;
    opj_image_comp_t * l_image_comp = 00;
    opj_tcd_resolution_t *l_res = 00;
    opj_tcd_band_t *l_band = 00;
    opj_stepsize_t * l_step_size = 00;
    opj_tcd_precinct_t *l_current_precinct = 00;
    opj_image_t *l_image = 00;
    OPJ_UINT32 p, q;
    OPJ_UINT32 l_level_no;
    OPJ_UINT32 l_pdx, l_pdy;
    OPJ_INT32 l_x0b, l_y0b;
    OPJ_UINT32 l_tx0, l_ty0;
    /* extent of precincts , top left, bottom right**/
    OPJ_INT32 l_tl_prc_x_start, l_tl_prc_y_start, l_br_prc_x_end, l_br_prc_y_end;
    /* number of precinct for a resolution */
    OPJ_UINT32 l_nb_precincts;
    /* room needed to store l_nb_precinct precinct for a resolution */
    OPJ_UINT32 l_nb_precinct_size;
    /* number of code blocks for a precinct*/
    OPJ_UINT32 l_nb_code_blocks;
    /* room needed to store l_nb_code_blocks code blocks for a precinct*/
    OPJ_UINT32 l_nb_code_blocks_size;
    /* size of data for a tile */
    OPJ_UINT32 l_data_size;

    l_cp = p_tcd->cp;
    l_tcp = &(l_cp->tcps[p_tile_no]);
    l_tile = p_tcd->tcd_image->tiles;
    l_tccp = l_tcp->tccps;
    l_tilec = l_tile->comps;
    l_image = p_tcd->image;
    l_image_comp = p_tcd->image->comps;

    p = p_tile_no % l_cp->tw;       /* tile coordinates */
    q = p_tile_no / l_cp->tw;
    /*fprintf(stderr, "Tile coordinate = %d,%d\n", p, q);*/

    /* 4 borders of the tile rescale on the image if necessary */
    l_tx0 = l_cp->tx0 + p *
            l_cp->tdx; /* can't be greater than l_image->x1 so won't overflow */
    l_tile->x0 = (OPJ_INT32)opj_uint_max(l_tx0, l_image->x0);
    l_tile->x1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_tx0, l_cp->tdx),
                                         l_image->x1);
    /* all those OPJ_UINT32 are casted to OPJ_INT32, let's do some sanity check */
    if ((l_tile->x0 < 0) || (l_tile->x1 <= l_tile->x0)) {
        opj_event_msg(manager, EVT_ERROR, "Tile X coordinates are not supported\n");
        return OPJ_FALSE;
    }
    l_ty0 = l_cp->ty0 + q *
            l_cp->tdy; /* can't be greater than l_image->y1 so won't overflow */
    l_tile->y0 = (OPJ_INT32)opj_uint_max(l_ty0, l_image->y0);
    l_tile->y1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_ty0, l_cp->tdy),
                                         l_image->y1);
    /* all those OPJ_UINT32 are casted to OPJ_INT32, let's do some sanity check */
    if ((l_tile->y0 < 0) || (l_tile->y1 <= l_tile->y0)) {
        opj_event_msg(manager, EVT_ERROR, "Tile Y coordinates are not supported\n");
        return OPJ_FALSE;
    }


    /* testcase 1888.pdf.asan.35.988 */
    if (l_tccp->numresolutions == 0) {
        opj_event_msg(manager, EVT_ERROR, "tiles require at least one resolution\n");
        return OPJ_FALSE;
    }
    /*fprintf(stderr, "Tile border = %d,%d,%d,%d\n", l_tile->x0, l_tile->y0,l_tile->x1,l_tile->y1);*/

    /*tile->numcomps = image->numcomps; */
    for (compno = 0; compno < l_tile->numcomps; ++compno) {
        /*fprintf(stderr, "compno = %d/%d\n", compno, l_tile->numcomps);*/
        l_image_comp->resno_decoded = 0;
        /* border of each l_tile component (global) */
        l_tilec->x0 = opj_int_ceildiv(l_tile->x0, (OPJ_INT32)l_image_comp->dx);
        l_tilec->y0 = opj_int_ceildiv(l_tile->y0, (OPJ_INT32)l_image_comp->dy);
        l_tilec->x1 = opj_int_ceildiv(l_tile->x1, (OPJ_INT32)l_image_comp->dx);
        l_tilec->y1 = opj_int_ceildiv(l_tile->y1, (OPJ_INT32)l_image_comp->dy);
        l_tilec->compno = compno;
        /*fprintf(stderr, "\tTile compo border = %d,%d,%d,%d\n", l_tilec->x0, l_tilec->y0,l_tilec->x1,l_tilec->y1);*/

        l_tilec->numresolutions = l_tccp->numresolutions;
        if (l_tccp->numresolutions < l_cp->m_specific_param.m_dec.m_reduce) {
            l_tilec->minimum_num_resolutions = 1;
        } else {
            l_tilec->minimum_num_resolutions = l_tccp->numresolutions -
                                               l_cp->m_specific_param.m_dec.m_reduce;
        }

        if (isEncoder) {
            OPJ_SIZE_T l_tile_data_size;

            if (l_tilec->x0 >= l_tilec->x1 || l_tilec->y0 >= l_tilec->y1) {
                opj_event_msg(manager, EVT_ERROR, "Invalid tile data\n");
                return OPJ_FALSE;
            }

            /* compute l_data_size with overflow check */
            OPJ_SIZE_T w = (OPJ_SIZE_T)(l_tilec->x1 - l_tilec->x0);
            OPJ_SIZE_T h = (OPJ_SIZE_T)(l_tilec->y1 - l_tilec->y0);

            /* issue 733, l_data_size == 0U, probably something wrong should be checked before getting here */
            if (h > 0 && w > SIZE_MAX / h) {
                opj_event_msg(manager, EVT_ERROR, "Size of tile data exceeds system limits\n");
                return OPJ_FALSE;
            }
            l_tile_data_size = w * h;

            if (SIZE_MAX / sizeof(OPJ_UINT32) < l_tile_data_size) {
                opj_event_msg(manager, EVT_ERROR, "Size of tile data exceeds system limits\n");
                return OPJ_FALSE;
            }
            l_tile_data_size = l_tile_data_size * sizeof(OPJ_UINT32);

            l_tilec->data_size_needed = l_tile_data_size;
        }

        l_data_size = l_tilec->numresolutions * (OPJ_UINT32)sizeof(
                          opj_tcd_resolution_t);

        opj_image_data_free(l_tilec->data_win);
        l_tilec->data_win = NULL;
        l_tilec->win_x0 = 0;
        l_tilec->win_y0 = 0;
        l_tilec->win_x1 = 0;
        l_tilec->win_y1 = 0;

        if (l_tilec->resolutions == 00) {
            l_tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(l_data_size);
            if (! l_tilec->resolutions) {
                return OPJ_FALSE;
            }
            /*fprintf(stderr, "\tAllocate resolutions of tilec (opj_tcd_resolution_t): %d\n",l_data_size);*/
            l_tilec->resolutions_size = l_data_size;
            memset(l_tilec->resolutions, 0, l_data_size);
        } else if (l_data_size > l_tilec->resolutions_size) {
            opj_tcd_resolution_t* new_resolutions = (opj_tcd_resolution_t *) opj_realloc(
                    l_tilec->resolutions, l_data_size);
            if (! new_resolutions) {
                opj_event_msg(manager, EVT_ERROR, "Not enough memory for tile resolutions\n");
                opj_free(l_tilec->resolutions);
                l_tilec->resolutions = NULL;
                l_tilec->resolutions_size = 0;
                return OPJ_FALSE;
            }
            l_tilec->resolutions = new_resolutions;
            /*fprintf(stderr, "\tReallocate data of tilec (int): from %d to %d x OPJ_UINT32\n", l_tilec->resolutions_size, l_data_size);*/
            memset(((OPJ_BYTE*) l_tilec->resolutions) + l_tilec->resolutions_size, 0,
                   l_data_size - l_tilec->resolutions_size);
            l_tilec->resolutions_size = l_data_size;
        }

        l_level_no = l_tilec->numresolutions;
        l_res = l_tilec->resolutions;
        l_step_size = l_tccp->stepsizes;
        /*fprintf(stderr, "\tlevel_no=%d\n",l_level_no);*/

        for (resno = 0; resno < l_tilec->numresolutions; ++resno) {
            /*fprintf(stderr, "\t\tresno = %d/%d\n", resno, l_tilec->numresolutions);*/
            OPJ_INT32 tlcbgxstart, tlcbgystart /*, brcbgxend, brcbgyend*/;
            OPJ_UINT32 cbgwidthexpn, cbgheightexpn;
            OPJ_UINT32 cblkwidthexpn, cblkheightexpn;

            --l_level_no;

            /* border for each resolution level (global) */
            l_res->x0 = opj_int_ceildivpow2(l_tilec->x0, (OPJ_INT32)l_level_no);
            l_res->y0 = opj_int_ceildivpow2(l_tilec->y0, (OPJ_INT32)l_level_no);
            l_res->x1 = opj_int_ceildivpow2(l_tilec->x1, (OPJ_INT32)l_level_no);
            l_res->y1 = opj_int_ceildivpow2(l_tilec->y1, (OPJ_INT32)l_level_no);

            /*fprintf(stderr, "\t\t\tres_x0= %d, res_y0 =%d, res_x1=%d, res_y1=%d\n", l_res->x0, l_res->y0, l_res->x1, l_res->y1);*/
            /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
            l_pdx = l_tccp->prcw[resno];
            l_pdy = l_tccp->prch[resno];
            /*fprintf(stderr, "\t\t\tpdx=%d, pdy=%d\n", l_pdx, l_pdy);*/
            /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
            l_tl_prc_x_start = opj_int_floordivpow2(l_res->x0, (OPJ_INT32)l_pdx) << l_pdx;
            l_tl_prc_y_start = opj_int_floordivpow2(l_res->y0, (OPJ_INT32)l_pdy) << l_pdy;
            {
                OPJ_UINT32 tmp = ((OPJ_UINT32)opj_int_ceildivpow2(l_res->x1,
                                  (OPJ_INT32)l_pdx)) << l_pdx;
                if (tmp > (OPJ_UINT32)INT_MAX) {
                    opj_event_msg(manager, EVT_ERROR, "Integer overflow\n");
                    return OPJ_FALSE;
                }
                l_br_prc_x_end = (OPJ_INT32)tmp;
            }
            {
                OPJ_UINT32 tmp = ((OPJ_UINT32)opj_int_ceildivpow2(l_res->y1,
                                  (OPJ_INT32)l_pdy)) << l_pdy;
                if (tmp > (OPJ_UINT32)INT_MAX) {
                    opj_event_msg(manager, EVT_ERROR, "Integer overflow\n");
                    return OPJ_FALSE;
                }
                l_br_prc_y_end = (OPJ_INT32)tmp;
            }
            /*fprintf(stderr, "\t\t\tprc_x_start=%d, prc_y_start=%d, br_prc_x_end=%d, br_prc_y_end=%d \n", l_tl_prc_x_start, l_tl_prc_y_start, l_br_prc_x_end ,l_br_prc_y_end );*/

            l_res->pw = (l_res->x0 == l_res->x1) ? 0U : (OPJ_UINT32)((
                            l_br_prc_x_end - l_tl_prc_x_start) >> l_pdx);
            l_res->ph = (l_res->y0 == l_res->y1) ? 0U : (OPJ_UINT32)((
                            l_br_prc_y_end - l_tl_prc_y_start) >> l_pdy);
            /*fprintf(stderr, "\t\t\tres_pw=%d, res_ph=%d\n", l_res->pw, l_res->ph );*/

            if ((l_res->pw != 0U) && ((((OPJ_UINT32) - 1) / l_res->pw) < l_res->ph)) {
                opj_event_msg(manager, EVT_ERROR, "Size of tile data exceeds system limits\n");
                return OPJ_FALSE;
            }
            l_nb_precincts = l_res->pw * l_res->ph;

            if ((((OPJ_UINT32) - 1) / (OPJ_UINT32)sizeof(opj_tcd_precinct_t)) <
                    l_nb_precincts) {
                opj_event_msg(manager, EVT_ERROR, "Size of tile data exceeds system limits\n");
                return OPJ_FALSE;
            }
            l_nb_precinct_size = l_nb_precincts * (OPJ_UINT32)sizeof(opj_tcd_precinct_t);

            if (resno == 0) {
                tlcbgxstart = l_tl_prc_x_start;
                tlcbgystart = l_tl_prc_y_start;
                /*brcbgxend = l_br_prc_x_end;*/
                /* brcbgyend = l_br_prc_y_end;*/
                cbgwidthexpn = l_pdx;
                cbgheightexpn = l_pdy;
                l_res->numbands = 1;
            } else {
                tlcbgxstart = opj_int_ceildivpow2(l_tl_prc_x_start, 1);
                tlcbgystart = opj_int_ceildivpow2(l_tl_prc_y_start, 1);
                /*brcbgxend = opj_int_ceildivpow2(l_br_prc_x_end, 1);*/
                /*brcbgyend = opj_int_ceildivpow2(l_br_prc_y_end, 1);*/
                cbgwidthexpn = l_pdx - 1;
                cbgheightexpn = l_pdy - 1;
                l_res->numbands = 3;
            }

            cblkwidthexpn = opj_uint_min(l_tccp->cblkw, cbgwidthexpn);
            cblkheightexpn = opj_uint_min(l_tccp->cblkh, cbgheightexpn);
            l_band = l_res->bands;

            for (bandno = 0; bandno < l_res->numbands; ++bandno, ++l_band, ++l_step_size) {
                /*fprintf(stderr, "\t\t\tband_no=%d/%d\n", bandno, l_res->numbands );*/

                if (resno == 0) {
                    l_band->bandno = 0 ;
                    l_band->x0 = opj_int_ceildivpow2(l_tilec->x0, (OPJ_INT32)l_level_no);
                    l_band->y0 = opj_int_ceildivpow2(l_tilec->y0, (OPJ_INT32)l_level_no);
                    l_band->x1 = opj_int_ceildivpow2(l_tilec->x1, (OPJ_INT32)l_level_no);
                    l_band->y1 = opj_int_ceildivpow2(l_tilec->y1, (OPJ_INT32)l_level_no);
                } else {
                    l_band->bandno = bandno + 1;
                    /* x0b = 1 if bandno = 1 or 3 */
                    l_x0b = l_band->bandno & 1;
                    /* y0b = 1 if bandno = 2 or 3 */
                    l_y0b = (OPJ_INT32)((l_band->bandno) >> 1);
                    /* l_band border (global) */
                    l_band->x0 = opj_int64_ceildivpow2(l_tilec->x0 - ((OPJ_INT64)l_x0b <<
                                                       l_level_no), (OPJ_INT32)(l_level_no + 1));
                    l_band->y0 = opj_int64_ceildivpow2(l_tilec->y0 - ((OPJ_INT64)l_y0b <<
                                                       l_level_no), (OPJ_INT32)(l_level_no + 1));
                    l_band->x1 = opj_int64_ceildivpow2(l_tilec->x1 - ((OPJ_INT64)l_x0b <<
                                                       l_level_no), (OPJ_INT32)(l_level_no + 1));
                    l_band->y1 = opj_int64_ceildivpow2(l_tilec->y1 - ((OPJ_INT64)l_y0b <<
                                                       l_level_no), (OPJ_INT32)(l_level_no + 1));
                }

                if (isEncoder) {
                    /* Skip empty bands */
                    if (opj_tcd_is_band_empty(l_band)) {
                        /* Do not zero l_band->precints to avoid leaks */
                        /* but make sure we don't use it later, since */
                        /* it will point to precincts of previous bands... */
                        continue;
                    }
                }

                {
                    /* Table E-1 - Sub-band gains */
                    /* BUG_WEIRD_TWO_INVK (look for this identifier in dwt.c): */
                    /* the test (!isEncoder && l_tccp->qmfbid == 0) is strongly */
                    /* linked to the use of two_invK instead of invK */
                    const OPJ_INT32 log2_gain = (!isEncoder &&
                                                 l_tccp->qmfbid == 0) ? 0 : (l_band->bandno == 0) ? 0 :
                                                (l_band->bandno == 3) ? 2 : 1;

                    /* Nominal dynamic range. Equation E-4 */
                    const OPJ_INT32 Rb = (OPJ_INT32)l_image_comp->prec + log2_gain;

                    /* Delta_b value of Equation E-3 in "E.1 Inverse quantization
                    * procedure" of the standard */
                    l_band->stepsize = (OPJ_FLOAT32)(((1.0 + l_step_size->mant / 2048.0) * pow(2.0,
                                                      (OPJ_INT32)(Rb - l_step_size->expn))));
                }

                /* Mb value of Equation E-2 in "E.1 Inverse quantization
                 * procedure" of the standard */
                l_band->numbps = l_step_size->expn + (OPJ_INT32)l_tccp->numgbits -
                                 1;

                if (!l_band->precincts && (l_nb_precincts > 0U)) {
                    l_band->precincts = (opj_tcd_precinct_t *) opj_malloc(/*3 * */
                                            l_nb_precinct_size);
                    if (! l_band->precincts) {
                        opj_event_msg(manager, EVT_ERROR,
                                      "Not enough memory to handle band precints\n");
                        return OPJ_FALSE;
                    }
                    /*fprintf(stderr, "\t\t\t\tAllocate precincts of a band (opj_tcd_precinct_t): %d\n",l_nb_precinct_size);     */
                    memset(l_band->precincts, 0, l_nb_precinct_size);
                    l_band->precincts_data_size = l_nb_precinct_size;
                } else if (l_band->precincts_data_size < l_nb_precinct_size) {

                    opj_tcd_precinct_t * new_precincts = (opj_tcd_precinct_t *) opj_realloc(
                            l_band->precincts,/*3 * */ l_nb_precinct_size);
                    if (! new_precincts) {
                        opj_event_msg(manager, EVT_ERROR,
                                      "Not enough memory to handle band precints\n");
                        opj_free(l_band->precincts);
                        l_band->precincts = NULL;
                        l_band->precincts_data_size = 0;
                        return OPJ_FALSE;
                    }
                    l_band->precincts = new_precincts;
                    /*fprintf(stderr, "\t\t\t\tReallocate precincts of a band (opj_tcd_precinct_t): from %d to %d\n",l_band->precincts_data_size, l_nb_precinct_size);*/
                    memset(((OPJ_BYTE *) l_band->precincts) + l_band->precincts_data_size, 0,
                           l_nb_precinct_size - l_band->precincts_data_size);
                    l_band->precincts_data_size = l_nb_precinct_size;
                }

                l_current_precinct = l_band->precincts;
                for (precno = 0; precno < l_nb_precincts; ++precno) {
                    OPJ_INT32 tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
                    OPJ_INT32 cbgxstart = tlcbgxstart + (OPJ_INT32)(precno % l_res->pw) *
                                          (1 << cbgwidthexpn);
                    OPJ_INT32 cbgystart = tlcbgystart + (OPJ_INT32)(precno / l_res->pw) *
                                          (1 << cbgheightexpn);
                    OPJ_INT32 cbgxend = cbgxstart + (1 << cbgwidthexpn);
                    OPJ_INT32 cbgyend = cbgystart + (1 << cbgheightexpn);
                    /*fprintf(stderr, "\t precno=%d; bandno=%d, resno=%d; compno=%d\n", precno, bandno , resno, compno);*/
                    /*fprintf(stderr, "\t tlcbgxstart(=%d) + (precno(=%d) percent res->pw(=%d)) * (1 << cbgwidthexpn(=%d)) \n",tlcbgxstart,precno,l_res->pw,cbgwidthexpn);*/

                    /* precinct size (global) */
                    /*fprintf(stderr, "\t cbgxstart=%d, l_band->x0 = %d \n",cbgxstart, l_band->x0);*/

                    l_current_precinct->x0 = opj_int_max(cbgxstart, l_band->x0);
                    l_current_precinct->y0 = opj_int_max(cbgystart, l_band->y0);
                    l_current_precinct->x1 = opj_int_min(cbgxend, l_band->x1);
                    l_current_precinct->y1 = opj_int_min(cbgyend, l_band->y1);
                    /*fprintf(stderr, "\t prc_x0=%d; prc_y0=%d, prc_x1=%d; prc_y1=%d\n",l_current_precinct->x0, l_current_precinct->y0 ,l_current_precinct->x1, l_current_precinct->y1);*/

                    tlcblkxstart = opj_int_floordivpow2(l_current_precinct->x0,
                                                        (OPJ_INT32)cblkwidthexpn) << cblkwidthexpn;
                    /*fprintf(stderr, "\t tlcblkxstart =%d\n",tlcblkxstart );*/
                    tlcblkystart = opj_int_floordivpow2(l_current_precinct->y0,
                                                        (OPJ_INT32)cblkheightexpn) << cblkheightexpn;
                    /*fprintf(stderr, "\t tlcblkystart =%d\n",tlcblkystart );*/
                    brcblkxend = opj_int_ceildivpow2(l_current_precinct->x1,
                                                     (OPJ_INT32)cblkwidthexpn) << cblkwidthexpn;
                    /*fprintf(stderr, "\t brcblkxend =%d\n",brcblkxend );*/
                    brcblkyend = opj_int_ceildivpow2(l_current_precinct->y1,
                                                     (OPJ_INT32)cblkheightexpn) << cblkheightexpn;
                    /*fprintf(stderr, "\t brcblkyend =%d\n",brcblkyend );*/
                    l_current_precinct->cw = (OPJ_UINT32)((brcblkxend - tlcblkxstart) >>
                                                          cblkwidthexpn);
                    l_current_precinct->ch = (OPJ_UINT32)((brcblkyend - tlcblkystart) >>
                                                          cblkheightexpn);

                    if (l_current_precinct->cw && ((OPJ_UINT32)-1) / l_current_precinct->cw < l_current_precinct->ch) {
                        return OPJ_FALSE;
                    }
                    l_nb_code_blocks = l_current_precinct->cw * l_current_precinct->ch;
                    /*fprintf(stderr, "\t\t\t\t precinct_cw = %d x recinct_ch = %d\n",l_current_precinct->cw, l_current_precinct->ch);      */
                    if ((((OPJ_UINT32) - 1) / (OPJ_UINT32)sizeof_block) <
                            l_nb_code_blocks) {
                        opj_event_msg(manager, EVT_ERROR,
                                      "Size of code block data exceeds system limits\n");
                        return OPJ_FALSE;
                    }
                    l_nb_code_blocks_size = l_nb_code_blocks * (OPJ_UINT32)sizeof_block;

                    if (!l_current_precinct->cblks.blocks && (l_nb_code_blocks > 0U)) {
                        l_current_precinct->cblks.blocks = opj_malloc(l_nb_code_blocks_size);
                        if (! l_current_precinct->cblks.blocks) {
                            return OPJ_FALSE;
                        }
                        /*fprintf(stderr, "\t\t\t\tAllocate cblks of a precinct (opj_tcd_cblk_dec_t): %d\n",l_nb_code_blocks_size);*/

                        memset(l_current_precinct->cblks.blocks, 0, l_nb_code_blocks_size);

                        l_current_precinct->block_size = l_nb_code_blocks_size;
                    } else if (l_nb_code_blocks_size > l_current_precinct->block_size) {
                        void *new_blocks = opj_realloc(l_current_precinct->cblks.blocks,
                                                       l_nb_code_blocks_size);
                        if (! new_blocks) {
                            opj_free(l_current_precinct->cblks.blocks);
                            l_current_precinct->cblks.blocks = NULL;
                            l_current_precinct->block_size = 0;
                            opj_event_msg(manager, EVT_ERROR,
                                          "Not enough memory for current precinct codeblock element\n");
                            return OPJ_FALSE;
                        }
                        l_current_precinct->cblks.blocks = new_blocks;
                        /*fprintf(stderr, "\t\t\t\tReallocate cblks of a precinct (opj_tcd_cblk_dec_t): from %d to %d\n",l_current_precinct->block_size, l_nb_code_blocks_size);     */

                        memset(((OPJ_BYTE *) l_current_precinct->cblks.blocks) +
                               l_current_precinct->block_size
                               , 0
                               , l_nb_code_blocks_size - l_current_precinct->block_size);

                        l_current_precinct->block_size = l_nb_code_blocks_size;
                    }

                    if (! l_current_precinct->incltree) {
                        l_current_precinct->incltree = opj_tgt_create(l_current_precinct->cw,
                                                       l_current_precinct->ch, manager);
                    } else {
                        l_current_precinct->incltree = opj_tgt_init(l_current_precinct->incltree,
                                                       l_current_precinct->cw, l_current_precinct->ch, manager);
                    }

                    if (! l_current_precinct->imsbtree) {
                        l_current_precinct->imsbtree = opj_tgt_create(l_current_precinct->cw,
                                                       l_current_precinct->ch, manager);
                    } else {
                        l_current_precinct->imsbtree = opj_tgt_init(l_current_precinct->imsbtree,
                                                       l_current_precinct->cw, l_current_precinct->ch, manager);
                    }

                    for (cblkno = 0; cblkno < l_nb_code_blocks; ++cblkno) {
                        OPJ_INT32 cblkxstart = tlcblkxstart + (OPJ_INT32)(cblkno %
                                               l_current_precinct->cw) * (1 << cblkwidthexpn);
                        OPJ_INT32 cblkystart = tlcblkystart + (OPJ_INT32)(cblkno /
                                               l_current_precinct->cw) * (1 << cblkheightexpn);
                        OPJ_INT32 cblkxend = cblkxstart + (1 << cblkwidthexpn);
                        OPJ_INT32 cblkyend = cblkystart + (1 << cblkheightexpn);

                        if (isEncoder) {
                            opj_tcd_cblk_enc_t* l_code_block = l_current_precinct->cblks.enc + cblkno;

                            if (! opj_tcd_code_block_enc_allocate(l_code_block)) {
                                return OPJ_FALSE;
                            }
                            /* code-block size (global) */
                            l_code_block->x0 = opj_int_max(cblkxstart, l_current_precinct->x0);
                            l_code_block->y0 = opj_int_max(cblkystart, l_current_precinct->y0);
                            l_code_block->x1 = opj_int_min(cblkxend, l_current_precinct->x1);
                            l_code_block->y1 = opj_int_min(cblkyend, l_current_precinct->y1);

                            if (! opj_tcd_code_block_enc_allocate_data(l_code_block)) {
                                return OPJ_FALSE;
                            }
                        } else {
                            opj_tcd_cblk_dec_t* l_code_block = l_current_precinct->cblks.dec + cblkno;

                            if (! opj_tcd_code_block_dec_allocate(l_code_block)) {
                                return OPJ_FALSE;
                            }
                            /* code-block size (global) */
                            l_code_block->x0 = opj_int_max(cblkxstart, l_current_precinct->x0);
                            l_code_block->y0 = opj_int_max(cblkystart, l_current_precinct->y0);
                            l_code_block->x1 = opj_int_min(cblkxend, l_current_precinct->x1);
                            l_code_block->y1 = opj_int_min(cblkyend, l_current_precinct->y1);
                        }
                    }
                    ++l_current_precinct;
                } /* precno */
            } /* bandno */
            ++l_res;
        } /* resno */
        ++l_tccp;
        ++l_tilec;
        ++l_image_comp;
    } /* compno */
    return OPJ_TRUE;
}

OPJ_BOOL opj_tcd_init_encode_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
                                  opj_event_mgr_t* p_manager)
{
    return opj_tcd_init_tile(p_tcd, p_tile_no, OPJ_TRUE,
                             sizeof(opj_tcd_cblk_enc_t), p_manager);
}

OPJ_BOOL opj_tcd_init_decode_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
                                  opj_event_mgr_t* p_manager)
{
    return opj_tcd_init_tile(p_tcd, p_tile_no, OPJ_FALSE,
                             sizeof(opj_tcd_cblk_dec_t), p_manager);
}

/**
 * Allocates memory for an encoding code block (but not data memory).
 */
static OPJ_BOOL opj_tcd_code_block_enc_allocate(opj_tcd_cblk_enc_t *
        p_code_block)
{
    if (! p_code_block->layers) {
        /* no memset since data */
        p_code_block->layers = (opj_tcd_layer_t*) opj_calloc(100,
                               sizeof(opj_tcd_layer_t));
        if (! p_code_block->layers) {
            return OPJ_FALSE;
        }
    }
    if (! p_code_block->passes) {
        p_code_block->passes = (opj_tcd_pass_t*) opj_calloc(100,
                               sizeof(opj_tcd_pass_t));
        if (! p_code_block->passes) {
            return OPJ_FALSE;
        }
    }
    return OPJ_TRUE;
}

/**
 * Allocates data memory for an encoding code block.
 */
static OPJ_BOOL opj_tcd_code_block_enc_allocate_data(opj_tcd_cblk_enc_t *
        p_code_block)
{
    OPJ_UINT32 l_data_size;

    /* +1 is needed for https://github.com/uclouvain/openjpeg/issues/835 */
    /* and actually +2 required for https://github.com/uclouvain/openjpeg/issues/982 */
    /* and +7 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 3) */
    /* and +26 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 7) */
    /* and +28 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 44) */
    /* and +33 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 4) */
    /* and +63 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 4 -IMF 2K) */
    /* and +74 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 4 -n 8 -s 7,7 -I) */
    /* TODO: is there a theoretical upper-bound for the compressed code */
    /* block size ? */
    l_data_size = 74 + (OPJ_UINT32)((p_code_block->x1 - p_code_block->x0) *
                                    (p_code_block->y1 - p_code_block->y0) * (OPJ_INT32)sizeof(OPJ_UINT32));

    if (l_data_size > p_code_block->data_size) {
        if (p_code_block->data) {
            /* We refer to data - 1 since below we incremented it */
            opj_free(p_code_block->data - 1);
        }
        p_code_block->data = (OPJ_BYTE*) opj_malloc(l_data_size + 1);
        if (! p_code_block->data) {
            p_code_block->data_size = 0U;
            return OPJ_FALSE;
        }
        p_code_block->data_size = l_data_size;

        /* We reserve the initial byte as a fake byte to a non-FF value */
        /* and increment the data pointer, so that opj_mqc_init_enc() */
        /* can do bp = data - 1, and opj_mqc_byteout() can safely dereference */
        /* it. */
        p_code_block->data[0] = 0;
        p_code_block->data += 1; /*why +1 ?*/
    }
    return OPJ_TRUE;
}


void opj_tcd_reinit_segment(opj_tcd_seg_t* seg)
{
    memset(seg, 0, sizeof(opj_tcd_seg_t));
}

/**
 * Allocates memory for a decoding code block.
 */
static OPJ_BOOL opj_tcd_code_block_dec_allocate(opj_tcd_cblk_dec_t *
        p_code_block)
{
    if (! p_code_block->segs) {

        p_code_block->segs = (opj_tcd_seg_t *) opj_calloc(OPJ_J2K_DEFAULT_NB_SEGS,
                             sizeof(opj_tcd_seg_t));
        if (! p_code_block->segs) {
            return OPJ_FALSE;
        }
        /*fprintf(stderr, "Allocate %d elements of code_block->data\n", OPJ_J2K_DEFAULT_NB_SEGS * sizeof(opj_tcd_seg_t));*/

        p_code_block->m_current_max_segs = OPJ_J2K_DEFAULT_NB_SEGS;
        /*fprintf(stderr, "m_current_max_segs of code_block->data = %d\n", p_code_block->m_current_max_segs);*/
    } else {
        /* sanitize */
        opj_tcd_seg_t * l_segs = p_code_block->segs;
        OPJ_UINT32 l_current_max_segs = p_code_block->m_current_max_segs;
        opj_tcd_seg_data_chunk_t* l_chunks = p_code_block->chunks;
        OPJ_UINT32 l_numchunksalloc = p_code_block->numchunksalloc;
        OPJ_UINT32 i;

        opj_aligned_free(p_code_block->decoded_data);
        p_code_block->decoded_data = 00;

        memset(p_code_block, 0, sizeof(opj_tcd_cblk_dec_t));
        p_code_block->segs = l_segs;
        p_code_block->m_current_max_segs = l_current_max_segs;
        for (i = 0; i < l_current_max_segs; ++i) {
            opj_tcd_reinit_segment(&l_segs[i]);
        }
        p_code_block->chunks = l_chunks;
        p_code_block->numchunksalloc = l_numchunksalloc;
    }

    return OPJ_TRUE;
}

OPJ_UINT32 opj_tcd_get_decoded_tile_size(opj_tcd_t *p_tcd,
        OPJ_BOOL take_into_account_partial_decoding)
{
    OPJ_UINT32 i;
    OPJ_UINT32 l_data_size = 0;
    opj_image_comp_t * l_img_comp = 00;
    opj_tcd_tilecomp_t * l_tile_comp = 00;
    opj_tcd_resolution_t * l_res = 00;
    OPJ_UINT32 l_size_comp, l_remaining;
    OPJ_UINT32 l_temp;

    l_tile_comp = p_tcd->tcd_image->tiles->comps;
    l_img_comp = p_tcd->image->comps;

    for (i = 0; i < p_tcd->image->numcomps; ++i) {
        OPJ_UINT32 w, h;
        l_size_comp = l_img_comp->prec >> 3; /*(/ 8)*/
        l_remaining = l_img_comp->prec & 7;  /* (%8) */

        if (l_remaining) {
            ++l_size_comp;
        }

        if (l_size_comp == 3) {
            l_size_comp = 4;
        }

        l_res = l_tile_comp->resolutions + l_tile_comp->minimum_num_resolutions - 1;
        if (take_into_account_partial_decoding && !p_tcd->whole_tile_decoding) {
            w = l_res->win_x1 - l_res->win_x0;
            h = l_res->win_y1 - l_res->win_y0;
        } else {
            w = (OPJ_UINT32)(l_res->x1 - l_res->x0);
            h = (OPJ_UINT32)(l_res->y1 - l_res->y0);
        }
        if (h > 0 && UINT_MAX / w < h) {
            return UINT_MAX;
        }
        l_temp = w * h;
        if (l_size_comp && UINT_MAX / l_size_comp < l_temp) {
            return UINT_MAX;
        }
        l_temp *= l_size_comp;

        if (l_temp > UINT_MAX - l_data_size) {
            return UINT_MAX;
        }
        l_data_size += l_temp;
        ++l_img_comp;
        ++l_tile_comp;
    }

    return l_data_size;
}

OPJ_BOOL opj_tcd_encode_tile(opj_tcd_t *p_tcd,
                             OPJ_UINT32 p_tile_no,
                             OPJ_BYTE *p_dest,
                             OPJ_UINT32 * p_data_written,
                             OPJ_UINT32 p_max_length,
                             opj_codestream_info_t *p_cstr_info,
                             opj_tcd_marker_info_t* p_marker_info,
                             opj_event_mgr_t *p_manager)
{

    if (p_tcd->cur_tp_num == 0) {

        p_tcd->tcd_tileno = p_tile_no;
        p_tcd->tcp = &p_tcd->cp->tcps[p_tile_no];

        /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
        if (p_cstr_info)  {
            OPJ_UINT32 l_num_packs = 0;
            OPJ_UINT32 i;
            opj_tcd_tilecomp_t *l_tilec_idx =
                &p_tcd->tcd_image->tiles->comps[0];        /* based on component 0 */
            opj_tccp_t *l_tccp = p_tcd->tcp->tccps; /* based on component 0 */

            for (i = 0; i < l_tilec_idx->numresolutions; i++) {
                opj_tcd_resolution_t *l_res_idx = &l_tilec_idx->resolutions[i];

                p_cstr_info->tile[p_tile_no].pw[i] = (int)l_res_idx->pw;
                p_cstr_info->tile[p_tile_no].ph[i] = (int)l_res_idx->ph;

                l_num_packs += l_res_idx->pw * l_res_idx->ph;
                p_cstr_info->tile[p_tile_no].pdx[i] = (int)l_tccp->prcw[i];
                p_cstr_info->tile[p_tile_no].pdy[i] = (int)l_tccp->prch[i];
            }
            p_cstr_info->tile[p_tile_no].packet = (opj_packet_info_t*) opj_calloc((
                    OPJ_SIZE_T)p_cstr_info->numcomps * (OPJ_SIZE_T)p_cstr_info->numlayers *
                                                  l_num_packs,
                                                  sizeof(opj_packet_info_t));
            if (!p_cstr_info->tile[p_tile_no].packet) {
                /* FIXME event manager error callback */
                return OPJ_FALSE;
            }
        }
        /* << INDEX */

        /* FIXME _ProfStart(PGROUP_DC_SHIFT); */
        /*---------------TILE-------------------*/
        if (! opj_tcd_dc_level_shift_encode(p_tcd)) {
            return OPJ_FALSE;
        }
        /* FIXME _ProfStop(PGROUP_DC_SHIFT); */

        /* FIXME _ProfStart(PGROUP_MCT); */
        if (! opj_tcd_mct_encode(p_tcd)) {
            return OPJ_FALSE;
        }
        /* FIXME _ProfStop(PGROUP_MCT); */

        /* FIXME _ProfStart(PGROUP_DWT); */
        if (! opj_tcd_dwt_encode(p_tcd)) {
            return OPJ_FALSE;
        }
        /* FIXME  _ProfStop(PGROUP_DWT); */

        /* FIXME  _ProfStart(PGROUP_T1); */
        if (! opj_tcd_t1_encode(p_tcd)) {
            return OPJ_FALSE;
        }
        /* FIXME _ProfStop(PGROUP_T1); */

        /* FIXME _ProfStart(PGROUP_RATE); */
        if (! opj_tcd_rate_allocate_encode(p_tcd, p_dest, p_max_length,
                                           p_cstr_info, p_manager)) {
            return OPJ_FALSE;
        }
        /* FIXME _ProfStop(PGROUP_RATE); */

    }
    /*--------------TIER2------------------*/

    /* INDEX */
    if (p_cstr_info) {
        p_cstr_info->index_write = 1;
    }
    /* FIXME _ProfStart(PGROUP_T2); */

    if (! opj_tcd_t2_encode(p_tcd, p_dest, p_data_written, p_max_length,
                            p_cstr_info, p_marker_info, p_manager)) {
        return OPJ_FALSE;
    }
    /* FIXME _ProfStop(PGROUP_T2); */

    /*---------------CLEAN-------------------*/

    return OPJ_TRUE;
}

OPJ_BOOL opj_tcd_decode_tile(opj_tcd_t *p_tcd,
                             OPJ_UINT32 win_x0,
                             OPJ_UINT32 win_y0,
                             OPJ_UINT32 win_x1,
                             OPJ_UINT32 win_y1,
                             OPJ_UINT32 numcomps_to_decode,
                             const OPJ_UINT32 *comps_indices,
                             OPJ_BYTE *p_src,
                             OPJ_UINT32 p_max_length,
                             OPJ_UINT32 p_tile_no,
                             opj_codestream_index_t *p_cstr_index,
                             opj_event_mgr_t *p_manager
                            )
{
    OPJ_UINT32 l_data_read;
    OPJ_UINT32 compno;

    p_tcd->tcd_tileno = p_tile_no;
    p_tcd->tcp = &(p_tcd->cp->tcps[p_tile_no]);
    p_tcd->win_x0 = win_x0;
    p_tcd->win_y0 = win_y0;
    p_tcd->win_x1 = win_x1;
    p_tcd->win_y1 = win_y1;
    p_tcd->whole_tile_decoding = OPJ_TRUE;

    opj_free(p_tcd->used_component);
    p_tcd->used_component = NULL;

    if (numcomps_to_decode) {
        OPJ_BOOL* used_component = (OPJ_BOOL*) opj_calloc(sizeof(OPJ_BOOL),
                                   p_tcd->image->numcomps);
        if (used_component == NULL) {
            return OPJ_FALSE;
        }
        for (compno = 0; compno < numcomps_to_decode; compno++) {
            used_component[ comps_indices[compno] ] = OPJ_TRUE;
        }

        p_tcd->used_component = used_component;
    }

    for (compno = 0; compno < p_tcd->image->numcomps; compno++) {
        if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
            continue;
        }

        if (!opj_tcd_is_whole_tilecomp_decoding(p_tcd, compno)) {
            p_tcd->whole_tile_decoding = OPJ_FALSE;
            break;
        }
    }

    if (p_tcd->whole_tile_decoding) {
        for (compno = 0; compno < p_tcd->image->numcomps; compno++) {
            opj_tcd_tilecomp_t* tilec = &(p_tcd->tcd_image->tiles->comps[compno]);
            opj_tcd_resolution_t *l_res = &
                                          (tilec->resolutions[tilec->minimum_num_resolutions - 1]);
            OPJ_SIZE_T l_data_size;

            /* compute l_data_size with overflow check */
            OPJ_SIZE_T res_w = (OPJ_SIZE_T)(l_res->x1 - l_res->x0);
            OPJ_SIZE_T res_h = (OPJ_SIZE_T)(l_res->y1 - l_res->y0);

            if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
                continue;
            }

            /* issue 733, l_data_size == 0U, probably something wrong should be checked before getting here */
            if (res_h > 0 && res_w > SIZE_MAX / res_h) {
                opj_event_msg(p_manager, EVT_ERROR,
                              "Size of tile data exceeds system limits\n");
                return OPJ_FALSE;
            }
            l_data_size = res_w * res_h;

            if (SIZE_MAX / sizeof(OPJ_UINT32) < l_data_size) {
                opj_event_msg(p_manager, EVT_ERROR,
                              "Size of tile data exceeds system limits\n");
                return OPJ_FALSE;
            }
            l_data_size *= sizeof(OPJ_UINT32);

            tilec->data_size_needed = l_data_size;

            if (!opj_alloc_tile_component_data(tilec)) {
                opj_event_msg(p_manager, EVT_ERROR,
                              "Size of tile data exceeds system limits\n");
                return OPJ_FALSE;
            }
        }
    } else {
        /* Compute restricted tile-component and tile-resolution coordinates */
        /* of the window of interest, but defer the memory allocation until */
        /* we know the resno_decoded */
        for (compno = 0; compno < p_tcd->image->numcomps; compno++) {
            OPJ_UINT32 resno;
            opj_tcd_tilecomp_t* tilec = &(p_tcd->tcd_image->tiles->comps[compno]);
            opj_image_comp_t* image_comp = &(p_tcd->image->comps[compno]);

            if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
                continue;
            }

            /* Compute the intersection of the area of interest, expressed in tile coordinates */
            /* with the tile coordinates */
            tilec->win_x0 = opj_uint_max(
                                (OPJ_UINT32)tilec->x0,
                                opj_uint_ceildiv(p_tcd->win_x0, image_comp->dx));
            tilec->win_y0 = opj_uint_max(
                                (OPJ_UINT32)tilec->y0,
                                opj_uint_ceildiv(p_tcd->win_y0, image_comp->dy));
            tilec->win_x1 = opj_uint_min(
                                (OPJ_UINT32)tilec->x1,
                                opj_uint_ceildiv(p_tcd->win_x1, image_comp->dx));
            tilec->win_y1 = opj_uint_min(
                                (OPJ_UINT32)tilec->y1,
                                opj_uint_ceildiv(p_tcd->win_y1, image_comp->dy));
            if (tilec->win_x1 < tilec->win_x0 ||
                    tilec->win_y1 < tilec->win_y0) {
                /* We should not normally go there. The circumstance is when */
                /* the tile coordinates do not intersect the area of interest */
                /* Upper level logic should not even try to decode that tile */
                opj_event_msg(p_manager, EVT_ERROR,
                              "Invalid tilec->win_xxx values\n");
                return OPJ_FALSE;
            }

            for (resno = 0; resno < tilec->numresolutions; ++resno) {
                opj_tcd_resolution_t *res = tilec->resolutions + resno;
                res->win_x0 = opj_uint_ceildivpow2(tilec->win_x0,
                                                   tilec->numresolutions - 1 - resno);
                res->win_y0 = opj_uint_ceildivpow2(tilec->win_y0,
                                                   tilec->numresolutions - 1 - resno);
                res->win_x1 = opj_uint_ceildivpow2(tilec->win_x1,
                                                   tilec->numresolutions - 1 - resno);
                res->win_y1 = opj_uint_ceildivpow2(tilec->win_y1,
                                                   tilec->numresolutions - 1 - resno);
            }
        }
    }

#ifdef TODO_MSD /* FIXME */
    /* INDEX >>  */
    if (p_cstr_info) {
        OPJ_UINT32 resno, compno, numprec = 0;
        for (compno = 0; compno < (OPJ_UINT32) p_cstr_info->numcomps; compno++) {
            opj_tcp_t *tcp = &p_tcd->cp->tcps[0];
            opj_tccp_t *tccp = &tcp->tccps[compno];
            opj_tcd_tilecomp_t *tilec_idx = &p_tcd->tcd_image->tiles->comps[compno];
            for (resno = 0; resno < tilec_idx->numresolutions; resno++) {
                opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[resno];
                p_cstr_info->tile[p_tile_no].pw[resno] = res_idx->pw;
                p_cstr_info->tile[p_tile_no].ph[resno] = res_idx->ph;
                numprec += res_idx->pw * res_idx->ph;
                p_cstr_info->tile[p_tile_no].pdx[resno] = tccp->prcw[resno];
                p_cstr_info->tile[p_tile_no].pdy[resno] = tccp->prch[resno];
            }
        }
        p_cstr_info->tile[p_tile_no].packet = (opj_packet_info_t *) opj_malloc(
                p_cstr_info->numlayers * numprec * sizeof(opj_packet_info_t));
        p_cstr_info->packno = 0;
    }
    /* << INDEX */
#endif

    /*--------------TIER2------------------*/
    /* FIXME _ProfStart(PGROUP_T2); */
    l_data_read = 0;
    if (! opj_tcd_t2_decode(p_tcd, p_src, &l_data_read, p_max_length, p_cstr_index,
                            p_manager)) {
        return OPJ_FALSE;
    }
    /* FIXME _ProfStop(PGROUP_T2); */

    /*------------------TIER1-----------------*/

    /* FIXME _ProfStart(PGROUP_T1); */
    if (! opj_tcd_t1_decode(p_tcd, p_manager)) {
        return OPJ_FALSE;
    }
    /* FIXME _ProfStop(PGROUP_T1); */


    /* For subtile decoding, now we know the resno_decoded, we can allocate */
    /* the tile data buffer */
    if (!p_tcd->whole_tile_decoding) {
        for (compno = 0; compno < p_tcd->image->numcomps; compno++) {
            opj_tcd_tilecomp_t* tilec = &(p_tcd->tcd_image->tiles->comps[compno]);
            opj_image_comp_t* image_comp = &(p_tcd->image->comps[compno]);
            opj_tcd_resolution_t *res = tilec->resolutions + image_comp->resno_decoded;
            OPJ_SIZE_T w = res->win_x1 - res->win_x0;
            OPJ_SIZE_T h = res->win_y1 - res->win_y0;
            OPJ_SIZE_T l_data_size;

            opj_image_data_free(tilec->data_win);
            tilec->data_win = NULL;

            if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
                continue;
            }

            if (w > 0 && h > 0) {
                if (w > SIZE_MAX / h) {
                    opj_event_msg(p_manager, EVT_ERROR,
                                  "Size of tile data exceeds system limits\n");
                    return OPJ_FALSE;
                }
                l_data_size = w * h;
                if (l_data_size > SIZE_MAX / sizeof(OPJ_INT32)) {
                    opj_event_msg(p_manager, EVT_ERROR,
                                  "Size of tile data exceeds system limits\n");
                    return OPJ_FALSE;
                }
                l_data_size *= sizeof(OPJ_INT32);

                tilec->data_win = (OPJ_INT32*) opj_image_data_alloc(l_data_size);
                if (tilec->data_win == NULL) {
                    opj_event_msg(p_manager, EVT_ERROR,
                                  "Size of tile data exceeds system limits\n");
                    return OPJ_FALSE;
                }
            }
        }
    }

    /*----------------DWT---------------------*/

    /* FIXME _ProfStart(PGROUP_DWT); */
    if
    (! opj_tcd_dwt_decode(p_tcd)) {
        return OPJ_FALSE;
    }
    /* FIXME _ProfStop(PGROUP_DWT); */

    /*----------------MCT-------------------*/
    /* FIXME _ProfStart(PGROUP_MCT); */
    if
    (! opj_tcd_mct_decode(p_tcd, p_manager)) {
        return OPJ_FALSE;
    }
    /* FIXME _ProfStop(PGROUP_MCT); */

    /* FIXME _ProfStart(PGROUP_DC_SHIFT); */
    if
    (! opj_tcd_dc_level_shift_decode(p_tcd)) {
        return OPJ_FALSE;
    }
    /* FIXME _ProfStop(PGROUP_DC_SHIFT); */


    /*---------------TILE-------------------*/
    return OPJ_TRUE;
}

OPJ_BOOL opj_tcd_update_tile_data(opj_tcd_t *p_tcd,
                                  OPJ_BYTE * p_dest,
                                  OPJ_UINT32 p_dest_length
                                 )
{
    OPJ_UINT32 i, j, k, l_data_size = 0;
    opj_image_comp_t * l_img_comp = 00;
    opj_tcd_tilecomp_t * l_tilec = 00;
    opj_tcd_resolution_t * l_res;
    OPJ_UINT32 l_size_comp, l_remaining;
    OPJ_UINT32 l_stride, l_width, l_height;

    l_data_size = opj_tcd_get_decoded_tile_size(p_tcd, OPJ_TRUE);
    if (l_data_size == UINT_MAX || l_data_size > p_dest_length) {
        return OPJ_FALSE;
    }

    l_tilec = p_tcd->tcd_image->tiles->comps;
    l_img_comp = p_tcd->image->comps;

    for (i = 0; i < p_tcd->image->numcomps; ++i) {
        const OPJ_INT32* l_src_data;
        l_size_comp = l_img_comp->prec >> 3; /*(/ 8)*/
        l_remaining = l_img_comp->prec & 7;  /* (%8) */
        l_res = l_tilec->resolutions + l_img_comp->resno_decoded;
        if (p_tcd->whole_tile_decoding) {
            l_width = (OPJ_UINT32)(l_res->x1 - l_res->x0);
            l_height = (OPJ_UINT32)(l_res->y1 - l_res->y0);
            l_stride = (OPJ_UINT32)(l_tilec->resolutions[l_tilec->minimum_num_resolutions -
                                                                     1].x1 -
                                    l_tilec->resolutions[l_tilec->minimum_num_resolutions - 1].x0) - l_width;
            l_src_data = l_tilec->data;
        } else {
            l_width = l_res->win_x1 - l_res->win_x0;
            l_height = l_res->win_y1 - l_res->win_y0;
            l_stride = 0;
            l_src_data = l_tilec->data_win;
        }

        if (l_remaining) {
            ++l_size_comp;
        }

        if (l_size_comp == 3) {
            l_size_comp = 4;
        }

        switch (l_size_comp) {
        case 1: {
            OPJ_CHAR * l_dest_ptr = (OPJ_CHAR *) p_dest;
            const OPJ_INT32 * l_src_ptr = l_src_data;

            if (l_img_comp->sgnd) {
                for (j = 0; j < l_height; ++j) {
                    for (k = 0; k < l_width; ++k) {
                        *(l_dest_ptr++) = (OPJ_CHAR)(*(l_src_ptr++));
                    }
                    l_src_ptr += l_stride;
                }
            } else {
                for (j = 0; j < l_height; ++j) {
                    for (k = 0; k < l_width; ++k) {
                        *(l_dest_ptr++) = (OPJ_CHAR)((*(l_src_ptr++)) & 0xff);
                    }
                    l_src_ptr += l_stride;
                }
            }

            p_dest = (OPJ_BYTE *)l_dest_ptr;
        }
        break;
        case 2: {
            const OPJ_INT32 * l_src_ptr = l_src_data;
            OPJ_INT16 * l_dest_ptr = (OPJ_INT16 *) p_dest;

            if (l_img_comp->sgnd) {
                for (j = 0; j < l_height; ++j) {
                    for (k = 0; k < l_width; ++k) {
                        OPJ_INT16 val = (OPJ_INT16)(*(l_src_ptr++));
                        memcpy(l_dest_ptr, &val, sizeof(val));
                        l_dest_ptr ++;
                    }
                    l_src_ptr += l_stride;
                }
            } else {
                for (j = 0; j < l_height; ++j) {
                    for (k = 0; k < l_width; ++k) {
                        OPJ_INT16 val = (OPJ_INT16)((*(l_src_ptr++)) & 0xffff);
                        memcpy(l_dest_ptr, &val, sizeof(val));
                        l_dest_ptr ++;
                    }
                    l_src_ptr += l_stride;
                }
            }

            p_dest = (OPJ_BYTE*) l_dest_ptr;
        }
        break;
        case 4: {
            OPJ_INT32 * l_dest_ptr = (OPJ_INT32 *) p_dest;
            const OPJ_INT32 * l_src_ptr = l_src_data;

            for (j = 0; j < l_height; ++j) {
                memcpy(l_dest_ptr, l_src_ptr, l_width * sizeof(OPJ_INT32));
                l_dest_ptr += l_width;
                l_src_ptr += l_width + l_stride;
            }

            p_dest = (OPJ_BYTE*) l_dest_ptr;
        }
        break;
        }

        ++l_img_comp;
        ++l_tilec;
    }

    return OPJ_TRUE;
}


static void opj_tcd_free_tile(opj_tcd_t *p_tcd)
{
    OPJ_UINT32 compno, resno, bandno, precno;
    opj_tcd_tile_t *l_tile = 00;
    opj_tcd_tilecomp_t *l_tile_comp = 00;
    opj_tcd_resolution_t *l_res = 00;
    opj_tcd_band_t *l_band = 00;
    opj_tcd_precinct_t *l_precinct = 00;
    OPJ_UINT32 l_nb_resolutions, l_nb_precincts;
    void (* l_tcd_code_block_deallocate)(opj_tcd_precinct_t *) = 00;

    if (! p_tcd) {
        return;
    }

    if (! p_tcd->tcd_image) {
        return;
    }

    if (p_tcd->m_is_decoder) {
        l_tcd_code_block_deallocate = opj_tcd_code_block_dec_deallocate;
    } else {
        l_tcd_code_block_deallocate = opj_tcd_code_block_enc_deallocate;
    }

    l_tile = p_tcd->tcd_image->tiles;
    if (! l_tile) {
        return;
    }

    l_tile_comp = l_tile->comps;

    for (compno = 0; compno < l_tile->numcomps; ++compno) {
        l_res = l_tile_comp->resolutions;
        if (l_res) {

            l_nb_resolutions = l_tile_comp->resolutions_size / (OPJ_UINT32)sizeof(
                                   opj_tcd_resolution_t);
            for (resno = 0; resno < l_nb_resolutions; ++resno) {
                l_band = l_res->bands;
                for (bandno = 0; bandno < 3; ++bandno) {
                    l_precinct = l_band->precincts;
                    if (l_precinct) {

                        l_nb_precincts = l_band->precincts_data_size / (OPJ_UINT32)sizeof(
                                             opj_tcd_precinct_t);
                        for (precno = 0; precno < l_nb_precincts; ++precno) {
                            opj_tgt_destroy(l_precinct->incltree);
                            l_precinct->incltree = 00;
                            opj_tgt_destroy(l_precinct->imsbtree);
                            l_precinct->imsbtree = 00;
                            (*l_tcd_code_block_deallocate)(l_precinct);
                            ++l_precinct;
                        }

                        opj_free(l_band->precincts);
                        l_band->precincts = 00;
                    }
                    ++l_band;
                } /* for (resno */
                ++l_res;
            }

            opj_free(l_tile_comp->resolutions);
            l_tile_comp->resolutions = 00;
        }

        if (l_tile_comp->ownsData && l_tile_comp->data) {
            opj_image_data_free(l_tile_comp->data);
            l_tile_comp->data = 00;
            l_tile_comp->ownsData = 0;
            l_tile_comp->data_size = 0;
            l_tile_comp->data_size_needed = 0;
        }

        opj_image_data_free(l_tile_comp->data_win);

        ++l_tile_comp;
    }

    opj_free(l_tile->comps);
    l_tile->comps = 00;
    opj_free(p_tcd->tcd_image->tiles);
    p_tcd->tcd_image->tiles = 00;
}


static OPJ_BOOL opj_tcd_t2_decode(opj_tcd_t *p_tcd,
                                  OPJ_BYTE * p_src_data,
                                  OPJ_UINT32 * p_data_read,
                                  OPJ_UINT32 p_max_src_size,
                                  opj_codestream_index_t *p_cstr_index,
                                  opj_event_mgr_t *p_manager
                                 )
{
    opj_t2_t * l_t2;

    l_t2 = opj_t2_create(p_tcd->image, p_tcd->cp);
    if (l_t2 == 00) {
        return OPJ_FALSE;
    }

    if (! opj_t2_decode_packets(
                p_tcd,
                l_t2,
                p_tcd->tcd_tileno,
                p_tcd->tcd_image->tiles,
                p_src_data,
                p_data_read,
                p_max_src_size,
                p_cstr_index,
                p_manager)) {
        opj_t2_destroy(l_t2);
        return OPJ_FALSE;
    }

    opj_t2_destroy(l_t2);

    /*---------------CLEAN-------------------*/
    return OPJ_TRUE;
}

static OPJ_BOOL opj_tcd_t1_decode(opj_tcd_t *p_tcd, opj_event_mgr_t *p_manager)
{
    OPJ_UINT32 compno;
    opj_tcd_tile_t * l_tile = p_tcd->tcd_image->tiles;
    opj_tcd_tilecomp_t* l_tile_comp = l_tile->comps;
    opj_tccp_t * l_tccp = p_tcd->tcp->tccps;
    volatile OPJ_BOOL ret = OPJ_TRUE;
    OPJ_BOOL check_pterm = OPJ_FALSE;
    opj_mutex_t* p_manager_mutex = NULL;

    p_manager_mutex = opj_mutex_create();

    /* Only enable PTERM check if we decode all layers */
    if (p_tcd->tcp->num_layers_to_decode == p_tcd->tcp->numlayers &&
            (l_tccp->cblksty & J2K_CCP_CBLKSTY_PTERM) != 0) {
        check_pterm = OPJ_TRUE;
    }

    for (compno = 0; compno < l_tile->numcomps;
            ++compno, ++l_tile_comp, ++l_tccp) {
        if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
            continue;
        }

        opj_t1_decode_cblks(p_tcd, &ret, l_tile_comp, l_tccp,
                            p_manager, p_manager_mutex, check_pterm);
        if (!ret) {
            break;
        }
    }

    opj_thread_pool_wait_completion(p_tcd->thread_pool, 0);
    if (p_manager_mutex) {
        opj_mutex_destroy(p_manager_mutex);
    }
    return ret;
}


static OPJ_BOOL opj_tcd_dwt_decode(opj_tcd_t *p_tcd)
{
    OPJ_UINT32 compno;
    opj_tcd_tile_t * l_tile = p_tcd->tcd_image->tiles;
    opj_tcd_tilecomp_t * l_tile_comp = l_tile->comps;
    opj_tccp_t * l_tccp = p_tcd->tcp->tccps;
    opj_image_comp_t * l_img_comp = p_tcd->image->comps;

    for (compno = 0; compno < l_tile->numcomps;
            compno++, ++l_tile_comp, ++l_img_comp, ++l_tccp) {
        if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
            continue;
        }

        if (l_tccp->qmfbid == 1) {
            if (! opj_dwt_decode(p_tcd, l_tile_comp,
                                 l_img_comp->resno_decoded + 1)) {
                return OPJ_FALSE;
            }
        } else {
            if (! opj_dwt_decode_real(p_tcd, l_tile_comp,
                                      l_img_comp->resno_decoded + 1)) {
                return OPJ_FALSE;
            }
        }

    }

    return OPJ_TRUE;
}

static OPJ_BOOL opj_tcd_mct_decode(opj_tcd_t *p_tcd, opj_event_mgr_t *p_manager)
{
    opj_tcd_tile_t * l_tile = p_tcd->tcd_image->tiles;
    opj_tcp_t * l_tcp = p_tcd->tcp;
    opj_tcd_tilecomp_t * l_tile_comp = l_tile->comps;
    OPJ_SIZE_T l_samples;
    OPJ_UINT32 i;

    if (l_tcp->mct == 0 || p_tcd->used_component != NULL) {
        return OPJ_TRUE;
    }

    if (p_tcd->whole_tile_decoding) {
        opj_tcd_resolution_t* res_comp0 = l_tile->comps[0].resolutions +
                                          l_tile_comp->minimum_num_resolutions - 1;

        /* A bit inefficient: we process more data than needed if */
        /* resno_decoded < l_tile_comp->minimum_num_resolutions-1, */
        /* but we would need to take into account a stride then */
        l_samples = (OPJ_SIZE_T)(res_comp0->x1 - res_comp0->x0) *
                    (OPJ_SIZE_T)(res_comp0->y1 - res_comp0->y0);
        if (l_tile->numcomps >= 3) {
            if (l_tile_comp->minimum_num_resolutions !=
                    l_tile->comps[1].minimum_num_resolutions ||
                    l_tile_comp->minimum_num_resolutions !=
                    l_tile->comps[2].minimum_num_resolutions) {
                opj_event_msg(p_manager, EVT_ERROR,
                              "Tiles don't all have the same dimension. Skip the MCT step.\n");
                return OPJ_FALSE;
            }
        }
        if (l_tile->numcomps >= 3) {
            opj_tcd_resolution_t* res_comp1 = l_tile->comps[1].resolutions +
                                              l_tile_comp->minimum_num_resolutions - 1;
            opj_tcd_resolution_t* res_comp2 = l_tile->comps[2].resolutions +
                                              l_tile_comp->minimum_num_resolutions - 1;
            /* testcase 1336.pdf.asan.47.376 */
            if (p_tcd->image->comps[0].resno_decoded !=
                    p_tcd->image->comps[1].resno_decoded ||
                    p_tcd->image->comps[0].resno_decoded !=
                    p_tcd->image->comps[2].resno_decoded ||
                    (OPJ_SIZE_T)(res_comp1->x1 - res_comp1->x0) *
                    (OPJ_SIZE_T)(res_comp1->y1 - res_comp1->y0) != l_samples ||
                    (OPJ_SIZE_T)(res_comp2->x1 - res_comp2->x0) *
                    (OPJ_SIZE_T)(res_comp2->y1 - res_comp2->y0) != l_samples) {
                opj_event_msg(p_manager, EVT_ERROR,
                              "Tiles don't all have the same dimension. Skip the MCT step.\n");
                return OPJ_FALSE;
            }
        }
    } else {
        opj_tcd_resolution_t* res_comp0 = l_tile->comps[0].resolutions +
                                          p_tcd->image->comps[0].resno_decoded;

        l_samples = (OPJ_SIZE_T)(res_comp0->win_x1 - res_comp0->win_x0) *
                    (OPJ_SIZE_T)(res_comp0->win_y1 - res_comp0->win_y0);
        if (l_tile->numcomps >= 3) {
            opj_tcd_resolution_t* res_comp1 = l_tile->comps[1].resolutions +
                                              p_tcd->image->comps[1].resno_decoded;
            opj_tcd_resolution_t* res_comp2 = l_tile->comps[2].resolutions +
                                              p_tcd->image->comps[2].resno_decoded;
            /* testcase 1336.pdf.asan.47.376 */
            if (p_tcd->image->comps[0].resno_decoded !=
                    p_tcd->image->comps[1].resno_decoded ||
                    p_tcd->image->comps[0].resno_decoded !=
                    p_tcd->image->comps[2].resno_decoded ||
                    (OPJ_SIZE_T)(res_comp1->win_x1 - res_comp1->win_x0) *
                    (OPJ_SIZE_T)(res_comp1->win_y1 - res_comp1->win_y0) != l_samples ||
                    (OPJ_SIZE_T)(res_comp2->win_x1 - res_comp2->win_x0) *
                    (OPJ_SIZE_T)(res_comp2->win_y1 - res_comp2->win_y0) != l_samples) {
                opj_event_msg(p_manager, EVT_ERROR,
                              "Tiles don't all have the same dimension. Skip the MCT step.\n");
                return OPJ_FALSE;
            }
        }
    }

    if (l_tile->numcomps >= 3) {
        if (l_tcp->mct == 2) {
            OPJ_BYTE ** l_data;

            if (! l_tcp->m_mct_decoding_matrix) {
                return OPJ_TRUE;
            }

            l_data = (OPJ_BYTE **) opj_malloc(l_tile->numcomps * sizeof(OPJ_BYTE*));
            if (! l_data) {
                return OPJ_FALSE;
            }

            for (i = 0; i < l_tile->numcomps; ++i) {
                if (p_tcd->whole_tile_decoding) {
                    l_data[i] = (OPJ_BYTE*) l_tile_comp->data;
                } else {
                    l_data[i] = (OPJ_BYTE*) l_tile_comp->data_win;
                }
                ++l_tile_comp;
            }

            if (! opj_mct_decode_custom(/* MCT data */
                        (OPJ_BYTE*) l_tcp->m_mct_decoding_matrix,
                        /* size of components */
                        l_samples,
                        /* components */
                        l_data,
                        /* nb of components (i.e. size of pData) */
                        l_tile->numcomps,
                        /* tells if the data is signed */
                        p_tcd->image->comps->sgnd)) {
                opj_free(l_data);
                return OPJ_FALSE;
            }

            opj_free(l_data);
        } else {
            if (l_tcp->tccps->qmfbid == 1) {
                if (p_tcd->whole_tile_decoding) {
                    opj_mct_decode(l_tile->comps[0].data,
                                   l_tile->comps[1].data,
                                   l_tile->comps[2].data,
                                   l_samples);
                } else {
                    opj_mct_decode(l_tile->comps[0].data_win,
                                   l_tile->comps[1].data_win,
                                   l_tile->comps[2].data_win,
                                   l_samples);
                }
            } else {
                if (p_tcd->whole_tile_decoding) {
                    opj_mct_decode_real((OPJ_FLOAT32*)l_tile->comps[0].data,
                                        (OPJ_FLOAT32*)l_tile->comps[1].data,
                                        (OPJ_FLOAT32*)l_tile->comps[2].data,
                                        l_samples);
                } else {
                    opj_mct_decode_real((OPJ_FLOAT32*)l_tile->comps[0].data_win,
                                        (OPJ_FLOAT32*)l_tile->comps[1].data_win,
                                        (OPJ_FLOAT32*)l_tile->comps[2].data_win,
                                        l_samples);
                }
            }
        }
    } else {
        opj_event_msg(p_manager, EVT_ERROR,
                      "Number of components (%d) is inconsistent with a MCT. Skip the MCT step.\n",
                      l_tile->numcomps);
    }

    return OPJ_TRUE;
}


static OPJ_BOOL opj_tcd_dc_level_shift_decode(opj_tcd_t *p_tcd)
{
    OPJ_UINT32 compno;
    opj_tcd_tilecomp_t * l_tile_comp = 00;
    opj_tccp_t * l_tccp = 00;
    opj_image_comp_t * l_img_comp = 00;
    opj_tcd_resolution_t* l_res = 00;
    opj_tcd_tile_t * l_tile;
    OPJ_UINT32 l_width, l_height, i, j;
    OPJ_INT32 * l_current_ptr;
    OPJ_INT32 l_min, l_max;
    OPJ_UINT32 l_stride;

    l_tile = p_tcd->tcd_image->tiles;
    l_tile_comp = l_tile->comps;
    l_tccp = p_tcd->tcp->tccps;
    l_img_comp = p_tcd->image->comps;

    for (compno = 0; compno < l_tile->numcomps;
            compno++, ++l_img_comp, ++l_tccp, ++l_tile_comp) {

        if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
            continue;
        }

        l_res = l_tile_comp->resolutions + l_img_comp->resno_decoded;

        if (!p_tcd->whole_tile_decoding) {
            l_width = l_res->win_x1 - l_res->win_x0;
            l_height = l_res->win_y1 - l_res->win_y0;
            l_stride = 0;
            l_current_ptr = l_tile_comp->data_win;
        } else {
            l_width = (OPJ_UINT32)(l_res->x1 - l_res->x0);
            l_height = (OPJ_UINT32)(l_res->y1 - l_res->y0);
            l_stride = (OPJ_UINT32)(
                           l_tile_comp->resolutions[l_tile_comp->minimum_num_resolutions - 1].x1 -
                           l_tile_comp->resolutions[l_tile_comp->minimum_num_resolutions - 1].x0)
                       - l_width;
            l_current_ptr = l_tile_comp->data;

            assert(l_height == 0 ||
                   l_width + l_stride <= l_tile_comp->data_size / l_height); /*MUPDF*/
        }

        if (l_img_comp->sgnd) {
            l_min = -(1 << (l_img_comp->prec - 1));
            l_max = (1 << (l_img_comp->prec - 1)) - 1;
        } else {
            l_min = 0;
            l_max = (OPJ_INT32)((1U << l_img_comp->prec) - 1);
        }

        if (l_width == 0 || l_height == 0) {
            continue;
        }

        if (l_tccp->qmfbid == 1) {
            for (j = 0; j < l_height; ++j) {
                for (i = 0; i < l_width; ++i) {
                    /* TODO: do addition on int64 ? */
                    *l_current_ptr = opj_int_clamp(*l_current_ptr + l_tccp->m_dc_level_shift, l_min,
                                                   l_max);
                    ++l_current_ptr;
                }
                l_current_ptr += l_stride;
            }
        } else {
            for (j = 0; j < l_height; ++j) {
                for (i = 0; i < l_width; ++i) {
                    OPJ_FLOAT32 l_value = *((OPJ_FLOAT32 *) l_current_ptr);
                    if (l_value > (OPJ_FLOAT32)INT_MAX) {
                        *l_current_ptr = l_max;
                    } else if (l_value < INT_MIN) {
                        *l_current_ptr = l_min;
                    } else {
                        /* Do addition on int64 to avoid overflows */
                        OPJ_INT64 l_value_int = (OPJ_INT64)opj_lrintf(l_value);
                        *l_current_ptr = (OPJ_INT32)opj_int64_clamp(
                                             l_value_int + l_tccp->m_dc_level_shift, l_min, l_max);
                    }
                    ++l_current_ptr;
                }
                l_current_ptr += l_stride;
            }
        }
    }

    return OPJ_TRUE;
}


/**
 * Deallocates the encoding data of the given precinct.
 */
static void opj_tcd_code_block_dec_deallocate(opj_tcd_precinct_t * p_precinct)
{
    OPJ_UINT32 cblkno, l_nb_code_blocks;

    opj_tcd_cblk_dec_t * l_code_block = p_precinct->cblks.dec;
    if (l_code_block) {
        /*fprintf(stderr,"deallocate codeblock:{\n");*/
        /*fprintf(stderr,"\t x0=%d, y0=%d, x1=%d, y1=%d\n",l_code_block->x0, l_code_block->y0, l_code_block->x1, l_code_block->y1);*/
        /*fprintf(stderr,"\t numbps=%d, numlenbits=%d, len=%d, numnewpasses=%d, real_num_segs=%d, m_current_max_segs=%d\n ",
                        l_code_block->numbps, l_code_block->numlenbits, l_code_block->len, l_code_block->numnewpasses, l_code_block->real_num_segs, l_code_block->m_current_max_segs );*/


        l_nb_code_blocks = p_precinct->block_size / (OPJ_UINT32)sizeof(
                               opj_tcd_cblk_dec_t);
        /*fprintf(stderr,"nb_code_blocks =%d\t}\n", l_nb_code_blocks);*/

        for (cblkno = 0; cblkno < l_nb_code_blocks; ++cblkno) {

            if (l_code_block->segs) {
                opj_free(l_code_block->segs);
                l_code_block->segs = 00;
            }

            if (l_code_block->chunks) {
                opj_free(l_code_block->chunks);
                l_code_block->chunks = 00;
            }

            opj_aligned_free(l_code_block->decoded_data);
            l_code_block->decoded_data = NULL;

            ++l_code_block;
        }

        opj_free(p_precinct->cblks.dec);
        p_precinct->cblks.dec = 00;
    }
}

/**
 * Deallocates the encoding data of the given precinct.
 */
static void opj_tcd_code_block_enc_deallocate(opj_tcd_precinct_t * p_precinct)
{
    OPJ_UINT32 cblkno, l_nb_code_blocks;

    opj_tcd_cblk_enc_t * l_code_block = p_precinct->cblks.enc;
    if (l_code_block) {
        l_nb_code_blocks = p_precinct->block_size / (OPJ_UINT32)sizeof(
                               opj_tcd_cblk_enc_t);

        for (cblkno = 0; cblkno < l_nb_code_blocks; ++cblkno)  {
            if (l_code_block->data) {
                /* We refer to data - 1 since below we incremented it */
                /* in opj_tcd_code_block_enc_allocate_data() */
                opj_free(l_code_block->data - 1);
                l_code_block->data = 00;
            }

            if (l_code_block->layers) {
                opj_free(l_code_block->layers);
                l_code_block->layers = 00;
            }

            if (l_code_block->passes) {
                opj_free(l_code_block->passes);
                l_code_block->passes = 00;
            }
            ++l_code_block;
        }

        opj_free(p_precinct->cblks.enc);

        p_precinct->cblks.enc = 00;
    }
}

OPJ_SIZE_T opj_tcd_get_encoder_input_buffer_size(opj_tcd_t *p_tcd)
{
    OPJ_UINT32 i;
    OPJ_SIZE_T l_data_size = 0;
    opj_image_comp_t * l_img_comp = 00;
    opj_tcd_tilecomp_t * l_tilec = 00;
    OPJ_UINT32 l_size_comp, l_remaining;

    l_tilec = p_tcd->tcd_image->tiles->comps;
    l_img_comp = p_tcd->image->comps;
    for (i = 0; i < p_tcd->image->numcomps; ++i) {
        l_size_comp = l_img_comp->prec >> 3; /*(/ 8)*/
        l_remaining = l_img_comp->prec & 7;  /* (%8) */

        if (l_remaining) {
            ++l_size_comp;
        }

        if (l_size_comp == 3) {
            l_size_comp = 4;
        }

        l_data_size += l_size_comp * ((OPJ_SIZE_T)(l_tilec->x1 - l_tilec->x0) *
                                      (OPJ_SIZE_T)(l_tilec->y1 - l_tilec->y0));
        ++l_img_comp;
        ++l_tilec;
    }

    return l_data_size;
}

static OPJ_BOOL opj_tcd_dc_level_shift_encode(opj_tcd_t *p_tcd)
{
    OPJ_UINT32 compno;
    opj_tcd_tilecomp_t * l_tile_comp = 00;
    opj_tccp_t * l_tccp = 00;
    opj_image_comp_t * l_img_comp = 00;
    opj_tcd_tile_t * l_tile;
    OPJ_SIZE_T l_nb_elem, i;
    OPJ_INT32 * l_current_ptr;

    l_tile = p_tcd->tcd_image->tiles;
    l_tile_comp = l_tile->comps;
    l_tccp = p_tcd->tcp->tccps;
    l_img_comp = p_tcd->image->comps;

    for (compno = 0; compno < l_tile->numcomps; compno++) {
        l_current_ptr = l_tile_comp->data;
        l_nb_elem = (OPJ_SIZE_T)(l_tile_comp->x1 - l_tile_comp->x0) *
                    (OPJ_SIZE_T)(l_tile_comp->y1 - l_tile_comp->y0);

        if (l_tccp->qmfbid == 1) {
            for (i = 0; i < l_nb_elem; ++i) {
                *l_current_ptr -= l_tccp->m_dc_level_shift ;
                ++l_current_ptr;
            }
        } else {
            for (i = 0; i < l_nb_elem; ++i) {
                *((OPJ_FLOAT32 *) l_current_ptr) = (OPJ_FLOAT32)(*l_current_ptr -
                                                   l_tccp->m_dc_level_shift);
                ++l_current_ptr;
            }
        }

        ++l_img_comp;
        ++l_tccp;
        ++l_tile_comp;
    }

    return OPJ_TRUE;
}

static OPJ_BOOL opj_tcd_mct_encode(opj_tcd_t *p_tcd)
{
    opj_tcd_tile_t * l_tile = p_tcd->tcd_image->tiles;
    opj_tcd_tilecomp_t * l_tile_comp = p_tcd->tcd_image->tiles->comps;
    OPJ_SIZE_T samples = (OPJ_SIZE_T)(l_tile_comp->x1 - l_tile_comp->x0) *
                         (OPJ_SIZE_T)(l_tile_comp->y1 - l_tile_comp->y0);
    OPJ_UINT32 i;
    OPJ_BYTE ** l_data = 00;
    opj_tcp_t * l_tcp = p_tcd->tcp;

    if (!p_tcd->tcp->mct) {
        return OPJ_TRUE;
    }

    if (p_tcd->tcp->mct == 2) {
        if (! p_tcd->tcp->m_mct_coding_matrix) {
            return OPJ_TRUE;
        }

        l_data = (OPJ_BYTE **) opj_malloc(l_tile->numcomps * sizeof(OPJ_BYTE*));
        if (! l_data) {
            return OPJ_FALSE;
        }

        for (i = 0; i < l_tile->numcomps; ++i) {
            l_data[i] = (OPJ_BYTE*) l_tile_comp->data;
            ++l_tile_comp;
        }

        if (! opj_mct_encode_custom(/* MCT data */
                    (OPJ_BYTE*) p_tcd->tcp->m_mct_coding_matrix,
                    /* size of components */
                    samples,
                    /* components */
                    l_data,
                    /* nb of components (i.e. size of pData) */
                    l_tile->numcomps,
                    /* tells if the data is signed */
                    p_tcd->image->comps->sgnd)) {
            opj_free(l_data);
            return OPJ_FALSE;
        }

        opj_free(l_data);
    } else if (l_tcp->tccps->qmfbid == 0) {
        opj_mct_encode_real(
            (OPJ_FLOAT32*)l_tile->comps[0].data,
            (OPJ_FLOAT32*)l_tile->comps[1].data,
            (OPJ_FLOAT32*)l_tile->comps[2].data,
            samples);
    } else {
        opj_mct_encode(l_tile->comps[0].data, l_tile->comps[1].data,
                       l_tile->comps[2].data, samples);
    }

    return OPJ_TRUE;
}

static OPJ_BOOL opj_tcd_dwt_encode(opj_tcd_t *p_tcd)
{
    opj_tcd_tile_t * l_tile = p_tcd->tcd_image->tiles;
    opj_tcd_tilecomp_t * l_tile_comp = p_tcd->tcd_image->tiles->comps;
    opj_tccp_t * l_tccp = p_tcd->tcp->tccps;
    OPJ_UINT32 compno;

    for (compno = 0; compno < l_tile->numcomps; ++compno) {
        if (l_tccp->qmfbid == 1) {
            if (! opj_dwt_encode(p_tcd, l_tile_comp)) {
                return OPJ_FALSE;
            }
        } else if (l_tccp->qmfbid == 0) {
            if (! opj_dwt_encode_real(p_tcd, l_tile_comp)) {
                return OPJ_FALSE;
            }
        }

        ++l_tile_comp;
        ++l_tccp;
    }

    return OPJ_TRUE;
}

static OPJ_BOOL opj_tcd_t1_encode(opj_tcd_t *p_tcd)
{
    const OPJ_FLOAT64 * l_mct_norms;
    OPJ_UINT32 l_mct_numcomps = 0U;
    opj_tcp_t * l_tcp = p_tcd->tcp;

    if (l_tcp->mct == 1) {
        l_mct_numcomps = 3U;
        /* irreversible encoding */
        if (l_tcp->tccps->qmfbid == 0) {
            l_mct_norms = opj_mct_get_mct_norms_real();
        } else {
            l_mct_norms = opj_mct_get_mct_norms();
        }
    } else {
        l_mct_numcomps = p_tcd->image->numcomps;
        l_mct_norms = (const OPJ_FLOAT64 *)(l_tcp->mct_norms);
    }

    return opj_t1_encode_cblks(p_tcd,
                               p_tcd->tcd_image->tiles, l_tcp, l_mct_norms,
                               l_mct_numcomps);

    return OPJ_TRUE;
}

static OPJ_BOOL opj_tcd_t2_encode(opj_tcd_t *p_tcd,
                                  OPJ_BYTE * p_dest_data,
                                  OPJ_UINT32 * p_data_written,
                                  OPJ_UINT32 p_max_dest_size,
                                  opj_codestream_info_t *p_cstr_info,
                                  opj_tcd_marker_info_t* p_marker_info,
                                  opj_event_mgr_t *p_manager)
{
    opj_t2_t * l_t2;

    l_t2 = opj_t2_create(p_tcd->image, p_tcd->cp);
    if (l_t2 == 00) {
        return OPJ_FALSE;
    }

    if (! opj_t2_encode_packets(
                l_t2,
                p_tcd->tcd_tileno,
                p_tcd->tcd_image->tiles,
                p_tcd->tcp->numlayers,
                p_dest_data,
                p_data_written,
                p_max_dest_size,
                p_cstr_info,
                p_marker_info,
                p_tcd->tp_num,
                p_tcd->tp_pos,
                p_tcd->cur_pino,
                FINAL_PASS,
                p_manager)) {
        opj_t2_destroy(l_t2);
        return OPJ_FALSE;
    }

    opj_t2_destroy(l_t2);

    /*---------------CLEAN-------------------*/
    return OPJ_TRUE;
}


static OPJ_BOOL opj_tcd_rate_allocate_encode(opj_tcd_t *p_tcd,
        OPJ_BYTE * p_dest_data,
        OPJ_UINT32 p_max_dest_size,
        opj_codestream_info_t *p_cstr_info,
        opj_event_mgr_t *p_manager)
{
    opj_cp_t * l_cp = p_tcd->cp;
    OPJ_UINT32 l_nb_written = 0;

    if (p_cstr_info)  {
        p_cstr_info->index_write = 0;
    }

    if (l_cp->m_specific_param.m_enc.m_quality_layer_alloc_strategy ==
            RATE_DISTORTION_RATIO ||
            l_cp->m_specific_param.m_enc.m_quality_layer_alloc_strategy ==
            FIXED_DISTORTION_RATIO)  {
        if (! opj_tcd_rateallocate(p_tcd, p_dest_data, &l_nb_written, p_max_dest_size,
                                   p_cstr_info, p_manager)) {
            return OPJ_FALSE;
        }
    } else {
        /* Fixed layer allocation */
        opj_tcd_rateallocate_fixed(p_tcd);
    }

    return OPJ_TRUE;
}


OPJ_BOOL opj_tcd_copy_tile_data(opj_tcd_t *p_tcd,
                                OPJ_BYTE * p_src,
                                OPJ_SIZE_T p_src_length)
{
    OPJ_UINT32 i;
    OPJ_SIZE_T j;
    OPJ_SIZE_T l_data_size = 0;
    opj_image_comp_t * l_img_comp = 00;
    opj_tcd_tilecomp_t * l_tilec = 00;
    OPJ_UINT32 l_size_comp, l_remaining;
    OPJ_SIZE_T l_nb_elem;

    l_data_size = opj_tcd_get_encoder_input_buffer_size(p_tcd);
    if (l_data_size != p_src_length) {
        return OPJ_FALSE;
    }

    l_tilec = p_tcd->tcd_image->tiles->comps;
    l_img_comp = p_tcd->image->comps;
    for (i = 0; i < p_tcd->image->numcomps; ++i) {
        l_size_comp = l_img_comp->prec >> 3; /*(/ 8)*/
        l_remaining = l_img_comp->prec & 7;  /* (%8) */
        l_nb_elem = (OPJ_SIZE_T)(l_tilec->x1 - l_tilec->x0) *
                    (OPJ_SIZE_T)(l_tilec->y1 - l_tilec->y0);

        if (l_remaining) {
            ++l_size_comp;
        }

        if (l_size_comp == 3) {
            l_size_comp = 4;
        }

        switch (l_size_comp) {
        case 1: {
            OPJ_CHAR * l_src_ptr = (OPJ_CHAR *) p_src;
            OPJ_INT32 * l_dest_ptr = l_tilec->data;

            if (l_img_comp->sgnd) {
                for (j = 0; j < l_nb_elem; ++j) {
                    *(l_dest_ptr++) = (OPJ_INT32)(*(l_src_ptr++));
                }
            } else {
                for (j = 0; j < l_nb_elem; ++j) {
                    *(l_dest_ptr++) = (*(l_src_ptr++)) & 0xff;
                }
            }

            p_src = (OPJ_BYTE*) l_src_ptr;
        }
        break;
        case 2: {
            OPJ_INT32 * l_dest_ptr = l_tilec->data;
            OPJ_INT16 * l_src_ptr = (OPJ_INT16 *) p_src;

            if (l_img_comp->sgnd) {
                for (j = 0; j < l_nb_elem; ++j) {
                    *(l_dest_ptr++) = (OPJ_INT32)(*(l_src_ptr++));
                }
            } else {
                for (j = 0; j < l_nb_elem; ++j) {
                    *(l_dest_ptr++) = (*(l_src_ptr++)) & 0xffff;
                }
            }

            p_src = (OPJ_BYTE*) l_src_ptr;
        }
        break;
        case 4: {
            OPJ_INT32 * l_src_ptr = (OPJ_INT32 *) p_src;
            OPJ_INT32 * l_dest_ptr = l_tilec->data;

            for (j = 0; j < l_nb_elem; ++j) {
                *(l_dest_ptr++) = (OPJ_INT32)(*(l_src_ptr++));
            }

            p_src = (OPJ_BYTE*) l_src_ptr;
        }
        break;
        }

        ++l_img_comp;
        ++l_tilec;
    }

    return OPJ_TRUE;
}

OPJ_BOOL opj_tcd_is_band_empty(opj_tcd_band_t* band)
{
    return (band->x1 - band->x0 == 0) || (band->y1 - band->y0 == 0);
}

OPJ_BOOL opj_tcd_is_subband_area_of_interest(opj_tcd_t *tcd,
        OPJ_UINT32 compno,
        OPJ_UINT32 resno,
        OPJ_UINT32 bandno,
        OPJ_UINT32 band_x0,
        OPJ_UINT32 band_y0,
        OPJ_UINT32 band_x1,
        OPJ_UINT32 band_y1)
{
    /* Note: those values for filter_margin are in part the result of */
    /* experimentation. The value 2 for QMFBID=1 (5x3 filter) can be linked */
    /* to the maximum left/right extension given in tables F.2 and F.3 of the */
    /* standard. The value 3 for QMFBID=0 (9x7 filter) is more suspicious, */
    /* since F.2 and F.3 would lead to 4 instead, so the current 3 might be */
    /* needed to be bumped to 4, in case inconsistencies are found while */
    /* decoding parts of irreversible coded images. */
    /* See opj_dwt_decode_partial_53 and opj_dwt_decode_partial_97 as well */
    OPJ_UINT32 filter_margin = (tcd->tcp->tccps[compno].qmfbid == 1) ? 2 : 3;
    opj_tcd_tilecomp_t *tilec = &(tcd->tcd_image->tiles->comps[compno]);
    opj_image_comp_t* image_comp = &(tcd->image->comps[compno]);
    /* Compute the intersection of the area of interest, expressed in tile coordinates */
    /* with the tile coordinates */
    OPJ_UINT32 tcx0 = opj_uint_max(
                          (OPJ_UINT32)tilec->x0,
                          opj_uint_ceildiv(tcd->win_x0, image_comp->dx));
    OPJ_UINT32 tcy0 = opj_uint_max(
                          (OPJ_UINT32)tilec->y0,
                          opj_uint_ceildiv(tcd->win_y0, image_comp->dy));
    OPJ_UINT32 tcx1 = opj_uint_min(
                          (OPJ_UINT32)tilec->x1,
                          opj_uint_ceildiv(tcd->win_x1, image_comp->dx));
    OPJ_UINT32 tcy1 = opj_uint_min(
                          (OPJ_UINT32)tilec->y1,
                          opj_uint_ceildiv(tcd->win_y1, image_comp->dy));
    /* Compute number of decomposition for this band. See table F-1 */
    OPJ_UINT32 nb = (resno == 0) ?
                    tilec->numresolutions - 1 :
                    tilec->numresolutions - resno;
    /* Map above tile-based coordinates to sub-band-based coordinates per */
    /* equation B-15 of the standard */
    OPJ_UINT32 x0b = bandno & 1;
    OPJ_UINT32 y0b = bandno >> 1;
    OPJ_UINT32 tbx0 = (nb == 0) ? tcx0 :
                      (tcx0 <= (1U << (nb - 1)) * x0b) ? 0 :
                      opj_uint_ceildivpow2(tcx0 - (1U << (nb - 1)) * x0b, nb);
    OPJ_UINT32 tby0 = (nb == 0) ? tcy0 :
                      (tcy0 <= (1U << (nb - 1)) * y0b) ? 0 :
                      opj_uint_ceildivpow2(tcy0 - (1U << (nb - 1)) * y0b, nb);
    OPJ_UINT32 tbx1 = (nb == 0) ? tcx1 :
                      (tcx1 <= (1U << (nb - 1)) * x0b) ? 0 :
                      opj_uint_ceildivpow2(tcx1 - (1U << (nb - 1)) * x0b, nb);
    OPJ_UINT32 tby1 = (nb == 0) ? tcy1 :
                      (tcy1 <= (1U << (nb - 1)) * y0b) ? 0 :
                      opj_uint_ceildivpow2(tcy1 - (1U << (nb - 1)) * y0b, nb);
    OPJ_BOOL intersects;

    if (tbx0 < filter_margin) {
        tbx0 = 0;
    } else {
        tbx0 -= filter_margin;
    }
    if (tby0 < filter_margin) {
        tby0 = 0;
    } else {
        tby0 -= filter_margin;
    }
    tbx1 = opj_uint_adds(tbx1, filter_margin);
    tby1 = opj_uint_adds(tby1, filter_margin);

    intersects = band_x0 < tbx1 && band_y0 < tby1 && band_x1 > tbx0 &&
                 band_y1 > tby0;

#ifdef DEBUG_VERBOSE
    printf("compno=%u resno=%u nb=%u bandno=%u x0b=%u y0b=%u band=%u,%u,%u,%u tb=%u,%u,%u,%u -> %u\n",
           compno, resno, nb, bandno, x0b, y0b,
           band_x0, band_y0, band_x1, band_y1,
           tbx0, tby0, tbx1, tby1, intersects);
#endif
    return intersects;
}

/** Returns whether a tile component is fully decoded, taking into account
 * p_tcd->win_* members.
 *
 * @param p_tcd    TCD handle.
 * @param compno Component number
 * @return OPJ_TRUE whether the tile component is fully decoded
 */
static OPJ_BOOL opj_tcd_is_whole_tilecomp_decoding(opj_tcd_t *p_tcd,
        OPJ_UINT32 compno)
{
    opj_tcd_tilecomp_t* tilec = &(p_tcd->tcd_image->tiles->comps[compno]);
    opj_image_comp_t* image_comp = &(p_tcd->image->comps[compno]);
    /* Compute the intersection of the area of interest, expressed in tile coordinates */
    /* with the tile coordinates */
    OPJ_UINT32 tcx0 = opj_uint_max(
                          (OPJ_UINT32)tilec->x0,
                          opj_uint_ceildiv(p_tcd->win_x0, image_comp->dx));
    OPJ_UINT32 tcy0 = opj_uint_max(
                          (OPJ_UINT32)tilec->y0,
                          opj_uint_ceildiv(p_tcd->win_y0, image_comp->dy));
    OPJ_UINT32 tcx1 = opj_uint_min(
                          (OPJ_UINT32)tilec->x1,
                          opj_uint_ceildiv(p_tcd->win_x1, image_comp->dx));
    OPJ_UINT32 tcy1 = opj_uint_min(
                          (OPJ_UINT32)tilec->y1,
                          opj_uint_ceildiv(p_tcd->win_y1, image_comp->dy));

    OPJ_UINT32 shift = tilec->numresolutions - tilec->minimum_num_resolutions;
    /* Tolerate small margin within the reduced resolution factor to consider if */
    /* the whole tile path must be taken */
    return (tcx0 >= (OPJ_UINT32)tilec->x0 &&
            tcy0 >= (OPJ_UINT32)tilec->y0 &&
            tcx1 <= (OPJ_UINT32)tilec->x1 &&
            tcy1 <= (OPJ_UINT32)tilec->y1 &&
            (shift >= 32 ||
             (((tcx0 - (OPJ_UINT32)tilec->x0) >> shift) == 0 &&
              ((tcy0 - (OPJ_UINT32)tilec->y0) >> shift) == 0 &&
              (((OPJ_UINT32)tilec->x1 - tcx1) >> shift) == 0 &&
              (((OPJ_UINT32)tilec->y1 - tcy1) >> shift) == 0)));
}

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

opj_tcd_marker_info_t* opj_tcd_marker_info_create(OPJ_BOOL need_PLT)
{
    opj_tcd_marker_info_t *l_tcd_marker_info =
        (opj_tcd_marker_info_t*) opj_calloc(1, sizeof(opj_tcd_marker_info_t));
    if (!l_tcd_marker_info) {
        return NULL;
    }

    l_tcd_marker_info->need_PLT = need_PLT;

    return l_tcd_marker_info;
}

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

void opj_tcd_marker_info_destroy(opj_tcd_marker_info_t *p_tcd_marker_info)
{
    if (p_tcd_marker_info) {
        opj_free(p_tcd_marker_info->p_packet_size);
        opj_free(p_tcd_marker_info);
    }
}

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