libopenjpeg/tcd.c

   1 /*
   2  * Copyright (c) 2001-2003, David Janssens
   3  * Copyright (c) 2002-2003, Yannick Verschueren
   4  * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
   5  * Copyright (c) 2005, Herv� Drolon, FreeImage Team
   6  * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
  19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include "opj_includes.h"
  32
  33 void tcd_dump(FILE *fd, opj_tcd_t *tcd, opj_tcd_image_t * img) {
  34         int tileno, compno, resno, bandno, precno, cblkno;
  35
  36         fprintf(fd, "image {\n");
  37         fprintf(fd, "  tw=%d, th=%d x0=%d x1=%d y0=%d y1=%d\n",
  38                 img->tw, img->th, tcd->image->x0, tcd->image->x1, tcd->image->y0, tcd->image->y1);
  39
  40         for (tileno = 0; tileno < img->th * img->tw; tileno++) {
  41                 opj_tcd_tile_t *tile = &tcd->tcd_image->tiles[tileno];
  42                 fprintf(fd, "  tile {\n");
  43                 fprintf(fd, "    x0=%d, y0=%d, x1=%d, y1=%d, numcomps=%d\n",
  44                         tile->x0, tile->y0, tile->x1, tile->y1, tile->numcomps);
  45                 for (compno = 0; compno < tile->numcomps; compno++) {
  46                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
  47                         fprintf(fd, "    tilec {\n");
  48                         fprintf(fd,
  49                                 "      x0=%d, y0=%d, x1=%d, y1=%d, numresolutions=%d\n",
  50                                 tilec->x0, tilec->y0, tilec->x1, tilec->y1, tilec->numresolutions);
  51                         for (resno = 0; resno < tilec->numresolutions; resno++) {
  52                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
  53                                 fprintf(fd, "\n   res {\n");
  54                                 fprintf(fd,
  55                                         "          x0=%d, y0=%d, x1=%d, y1=%d, pw=%d, ph=%d, numbands=%d\n",
  56                                         res->x0, res->y0, res->x1, res->y1, res->pw, res->ph, res->numbands);
  57                                 for (bandno = 0; bandno < res->numbands; bandno++) {
  58                                         opj_tcd_band_t *band = &res->bands[bandno];
  59                                         fprintf(fd, "        band {\n");
  60                                         fprintf(fd,
  61                                                 "          x0=%d, y0=%d, x1=%d, y1=%d, stepsize=%f, numbps=%d\n",
  62                                                 band->x0, band->y0, band->x1, band->y1, band->stepsize, band->numbps);
  63                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
  64                                                 opj_tcd_precinct_t *prec = &band->precincts[precno];
  65                                                 fprintf(fd, "          prec {\n");
  66                                                 fprintf(fd,
  67                                                         "            x0=%d, y0=%d, x1=%d, y1=%d, cw=%d, ch=%d\n",
  68                                                         prec->x0, prec->y0, prec->x1, prec->y1, prec->cw, prec->ch);
  69                                                 for (cblkno = 0; cblkno < prec->cw * prec->ch; cblkno++) {
  70                                                         opj_tcd_cblk_t *cblk = &prec->cblks[cblkno];
  71                                                         fprintf(fd, "            cblk {\n");
  72                                                         fprintf(fd,
  73                                                                 "              x0=%d, y0=%d, x1=%d, y1=%d\n",
  74                                                                 cblk->x0, cblk->y0, cblk->x1, cblk->y1);
  75                                                         fprintf(fd, "            }\n");
  76                                                 }
  77                                                 fprintf(fd, "          }\n");
  78                                         }
  79                                         fprintf(fd, "        }\n");
  80                                 }
  81                                 fprintf(fd, "      }\n");
  82                         }
  83                         fprintf(fd, "    }\n");
  84                 }
  85                 fprintf(fd, "  }\n");
  86         }
  87         fprintf(fd, "}\n");
  88 }
  89
  90 /* ----------------------------------------------------------------------- */
  91
  92 /**
  93 Create a new TCD handle
  94 */
  95 opj_tcd_t* tcd_create(opj_common_ptr cinfo) {
  96         /* create the tcd structure */
  97         opj_tcd_t *tcd = (opj_tcd_t*)opj_malloc(sizeof(opj_tcd_t));
  98         if(!tcd) return NULL;
  99         tcd->cinfo = cinfo;
 100         tcd->tcd_image = (opj_tcd_image_t*)opj_malloc(sizeof(opj_tcd_image_t));
 101         if(!tcd->tcd_image) {
 102                 opj_free(tcd);
 103                 return NULL;
 104         }
 105
 106         return tcd;
 107 }
 108
 109 /**
 110 Destroy a previously created TCD handle
 111 */
 112 void tcd_destroy(opj_tcd_t *tcd) {
 113         if(tcd) {
 114                 opj_free(tcd->tcd_image);
 115                 opj_free(tcd);
 116         }
 117 }
 118
 119 /* ----------------------------------------------------------------------- */
 120
 121 void tcd_malloc_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno) {
 122         int tileno, compno, resno, bandno, precno, cblkno;
 123
 124         opj_tcd_tile_t *tile = NULL;            /* pointer to tcd->tile */
 125         opj_tcd_tilecomp_t *tilec = NULL;       /* pointer to tcd->tilec */
 126         opj_tcd_resolution_t *res = NULL;       /* pointer to tcd->res */
 127         opj_tcd_band_t *band = NULL;            /* pointer to tcd->band */
 128         opj_tcd_precinct_t *prc = NULL;         /* pointer to tcd->prc */
 129         opj_tcd_cblk_t *cblk = NULL;            /* pointer to tcd->cblk */
 130
 131         tcd->image = image;
 132         tcd->cp = cp;
 133         tcd->tcd_image->tw = cp->tw;
 134         tcd->tcd_image->th = cp->th;
 135         tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_malloc(sizeof(opj_tcd_tile_t));
 136
 137         for (tileno = 0; tileno < 1; tileno++) {
 138                 opj_tcp_t *tcp = &cp->tcps[curtileno];
 139                 int j;
 140
 141                 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 142                 int p = curtileno % cp->tw;     /* si numerotation matricielle .. */
 143                 int q = curtileno / cp->tw;     /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
 144
 145                 /* opj_tcd_tile_t *tile=&tcd->tcd_image->tiles[tileno]; */
 146                 tcd->tile = tcd->tcd_image->tiles;
 147                 tile = tcd->tile;
 148
 149                 /* 4 borders of the tile rescale on the image if necessary */
 150                 tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 151                 tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 152                 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 153                 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 154                 tile->numcomps = image->numcomps;
 155                 /* tile->PPT=image->PPT;  */
 156
 157                 /* Modification of the RATE >> */
 158                 for (j = 0; j < tcp->numlayers; j++) {
 159                         tcp->rates[j] = tcp->rates[j] ?
 160                                 int_ceildiv(tile->numcomps
 161                                         * (tile->x1 - tile->x0)
 162                                         * (tile->y1 - tile->y0)
 163                                         * image->comps[0].prec,
 164                                         (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy))
 165                                         : 0;
 166
 167                         if (tcp->rates[j]) {
 168                                 if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
 169                                         tcp->rates[j] = tcp->rates[j - 1] + 20;
 170                                 } else {
 171                                         if (!j && tcp->rates[j] < 30)
 172                                                 tcp->rates[j] = 30;
 173                                 }
 174                         }
 175                 }
 176                 /* << Modification of the RATE */
 177
 178                 tile->comps = (opj_tcd_tilecomp_t *) opj_malloc(image->numcomps * sizeof(opj_tcd_tilecomp_t));
 179                 for (compno = 0; compno < tile->numcomps; compno++) {
 180                         opj_tccp_t *tccp = &tcp->tccps[compno];
 181
 182                         /* opj_tcd_tilecomp_t *tilec=&tile->comps[compno]; */
 183                         tcd->tilec = &tile->comps[compno];
 184                         tilec = tcd->tilec;
 185
 186                         /* border of each tile component (global) */
 187                         tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 188                         tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 189                         tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 190                         tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 191
 192                         tilec->data = (int *) opj_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
 193                         tilec->numresolutions = tccp->numresolutions;
 194
 195                         tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));
 196
 197                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 198                                 int pdx, pdy;
 199                                 int levelno = tilec->numresolutions - 1 - resno;
 200                                 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 201                                 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 202                                 int cbgwidthexpn, cbgheightexpn;
 203                                 int cblkwidthexpn, cblkheightexpn;
 204
 205                                 /* opj_tcd_resolution_t *res=&tilec->resolutions[resno]; */
 206                                 tcd->res = &tilec->resolutions[resno];
 207                                 res = tcd->res;
 208
 209                                 /* border for each resolution level (global) */
 210                                 res->x0 = int_ceildivpow2(tilec->x0, levelno);
 211                                 res->y0 = int_ceildivpow2(tilec->y0, levelno);
 212                                 res->x1 = int_ceildivpow2(tilec->x1, levelno);
 213                                 res->y1 = int_ceildivpow2(tilec->y1, levelno);
 214
 215                                 res->numbands = resno == 0 ? 1 : 3;
 216                                 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 217                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 218                                         pdx = tccp->prcw[resno];
 219                                         pdy = tccp->prch[resno];
 220                                 } else {
 221                                         pdx = 15;
 222                                         pdy = 15;
 223                                 }
 224                                 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 225                                 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 226                                 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 227
 228                                 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 229                                 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 230
 231                                 res->pw = (brprcxend - tlprcxstart) >> pdx;
 232                                 res->ph = (brprcyend - tlprcystart) >> pdy;
 233
 234                                 if (resno == 0) {
 235                                         tlcbgxstart = tlprcxstart;
 236                                         tlcbgystart = tlprcystart;
 237                                         brcbgxend = brprcxend;
 238                                         brcbgyend = brprcyend;
 239                                         cbgwidthexpn = pdx;
 240                                         cbgheightexpn = pdy;
 241                                 } else {
 242                                         tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 243                                         tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 244                                         brcbgxend = int_ceildivpow2(brprcxend, 1);
 245                                         brcbgyend = int_ceildivpow2(brprcyend, 1);
 246                                         cbgwidthexpn = pdx - 1;
 247                                         cbgheightexpn = pdy - 1;
 248                                 }
 249
 250                                 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 251                                 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 252
 253                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 254                                         int x0b, y0b, i;
 255                                         int gain, numbps;
 256                                         opj_stepsize_t *ss = NULL;
 257
 258                                         tcd->band = &res->bands[bandno];
 259                                         band = tcd->band;
 260
 261                                         band->bandno = resno == 0 ? 0 : bandno + 1;
 262                                         x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 263                                         y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 264
 265                                         if (band->bandno == 0) {
 266                                                 /* band border (global) */
 267                                                 band->x0 = int_ceildivpow2(tilec->x0, levelno);
 268                                                 band->y0 = int_ceildivpow2(tilec->y0, levelno);
 269                                                 band->x1 = int_ceildivpow2(tilec->x1, levelno);
 270                                                 band->y1 = int_ceildivpow2(tilec->y1, levelno);
 271                                         } else {
 272                                                 /* band border (global) */
 273                                                 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 274                                                 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 275                                                 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 276                                                 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 277                                         }
 278
 279                                         ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 280                                         gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 281                                         numbps = image->comps[compno].prec + gain;
 282
 283                                         band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
 284                                         band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 285
 286                                         band->precincts = (opj_tcd_precinct_t *) opj_malloc(3 * res->pw * res->ph * sizeof(opj_tcd_precinct_t));
 287
 288                                         for (i = 0; i < res->pw * res->ph * 3; i++) {
 289                                                 band->precincts[i].imsbtree = NULL;
 290                                                 band->precincts[i].incltree = NULL;
 291                                         }
 292
 293                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 294                                                 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 295
 296                                                 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 297                                                 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 298                                                 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 299                                                 int cbgyend = cbgystart + (1 << cbgheightexpn);
 300
 301                                                 /* opj_tcd_precinct_t *prc=&band->precincts[precno]; */
 302                                                 tcd->prc = &band->precincts[precno];
 303                                                 prc = tcd->prc;
 304
 305                                                 /* precinct size (global) */
 306                                                 prc->x0 = int_max(cbgxstart, band->x0);
 307                                                 prc->y0 = int_max(cbgystart, band->y0);
 308                                                 prc->x1 = int_min(cbgxend, band->x1);
 309                                                 prc->y1 = int_min(cbgyend, band->y1);
 310
 311                                                 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 312                                                 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 313                                                 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 314                                                 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 315                                                 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 316                                                 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 317
 318                                                 prc->cblks = (opj_tcd_cblk_t *) opj_malloc((prc->cw * prc->ch) * sizeof(opj_tcd_cblk_t));
 319                                                 prc->incltree = tgt_create(prc->cw, prc->ch);
 320                                                 prc->imsbtree = tgt_create(prc->cw, prc->ch);
 321
 322                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 323                                                         int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 324                                                         int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 325                                                         int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 326                                                         int cblkyend = cblkystart + (1 << cblkheightexpn);
 327
 328                                                         tcd->cblk = &prc->cblks[cblkno];
 329                                                         cblk = tcd->cblk;
 330
 331                                                         /* code-block size (global) */
 332                                                         cblk->x0 = int_max(cblkxstart, prc->x0);
 333                                                         cblk->y0 = int_max(cblkystart, prc->y0);
 334                                                         cblk->x1 = int_min(cblkxend, prc->x1);
 335                                                         cblk->y1 = int_min(cblkyend, prc->y1);
 336                                                 }
 337                                         }
 338                                 }
 339                         }
 340                 }
 341         }
 342
 343         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 344 }
 345
 346 void tcd_free_encode(opj_tcd_t *tcd) {
 347         int tileno, compno, resno, bandno, precno;
 348
 349         opj_tcd_tile_t *tile = NULL;            /* pointer to tcd->tile         */
 350         opj_tcd_tilecomp_t *tilec = NULL;       /* pointer to tcd->tilec        */
 351         opj_tcd_resolution_t *res = NULL;       /* pointer to tcd->res          */
 352         opj_tcd_band_t *band = NULL;            /* pointer to tcd->band         */
 353         opj_tcd_precinct_t *prc = NULL;         /* pointer to tcd->prc          */
 354
 355         for (tileno = 0; tileno < 1; tileno++) {
 356                 tcd->tile = tcd->tcd_image->tiles;
 357                 tile = tcd->tile;
 358
 359                 for (compno = 0; compno < tile->numcomps; compno++) {
 360                         tcd->tilec = &tile->comps[compno];
 361                         tilec = tcd->tilec;
 362
 363                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 364                                 tcd->res = &tilec->resolutions[resno];
 365                                 res = tcd->res;
 366
 367                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 368                                         tcd->band = &res->bands[bandno];
 369                                         band = tcd->band;
 370
 371                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 372                                                 tcd->prc = &band->precincts[precno];
 373                                                 prc = tcd->prc;
 374
 375                                                 if (prc->incltree != NULL) {
 376                                                         tgt_destroy(prc->incltree);
 377                                                         prc->incltree = NULL;
 378                                                 }
 379                                                 if (prc->imsbtree != NULL) {
 380                                                         tgt_destroy(prc->imsbtree);
 381                                                         prc->imsbtree = NULL;
 382                                                 }
 383                                                 opj_free(prc->cblks);
 384                                                 prc->cblks = NULL;
 385                                         } /* for (precno */
 386                                         opj_free(band->precincts);
 387                                         band->precincts = NULL;
 388                                 } /* for (bandno */
 389                         } /* for (resno */
 390                         opj_free(tilec->resolutions);
 391                         tilec->resolutions = NULL;
 392                 } /* for (compno */
 393                 opj_free(tile->comps);
 394                 tile->comps = NULL;
 395         } /* for (tileno */
 396         opj_free(tcd->tcd_image->tiles);
 397         tcd->tcd_image->tiles = NULL;
 398 }
 399
 400 void tcd_init_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno) {
 401         int tileno, compno, resno, bandno, precno, cblkno;
 402
 403         opj_tcd_tile_t *tile = NULL;            /* pointer to tcd->tile */
 404         opj_tcd_tilecomp_t *tilec = NULL;       /* pointer to tcd->tilec */
 405         opj_tcd_resolution_t *res = NULL;       /* pointer to tcd->res */
 406         opj_tcd_band_t *band = NULL;            /* pointer to tcd->band */
 407         opj_tcd_precinct_t *prc = NULL;         /* pointer to tcd->prc */
 408         opj_tcd_cblk_t *cblk = NULL;            /* pointer to tcd->cblk */
 409
 410         for (tileno = 0; tileno < 1; tileno++) {
 411                 opj_tcp_t *tcp = &cp->tcps[curtileno];
 412                 int j;
 413                 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 414                 int p = curtileno % cp->tw;
 415                 int q = curtileno / cp->tw;
 416
 417                 tcd->tile = tcd->tcd_image->tiles;
 418                 tile = tcd->tile;
 419
 420                 /* 4 borders of the tile rescale on the image if necessary */
 421                 tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 422                 tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 423                 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 424                 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 425
 426                 tile->numcomps = image->numcomps;
 427                 /* tile->PPT=image->PPT; */
 428
 429                 /* Modification of the RATE >> */
 430                 for (j = 0; j < tcp->numlayers; j++) {
 431                         tcp->rates[j] = tcp->rates[j] ?
 432                                 int_ceildiv(tile->numcomps
 433                                 * (tile->x1 - tile->x0)
 434                                 * (tile->y1 - tile->y0)
 435                                 * image->comps[0].prec,
 436                                 (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy))
 437                                 : 0;
 438
 439                         if (tcp->rates[j]) {
 440                                 if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
 441                                         tcp->rates[j] = tcp->rates[j - 1] + 20;
 442                                 } else {
 443                                         if (!j && tcp->rates[j] < 30)
 444                                                 tcp->rates[j] = 30;
 445                                 }
 446                         }
 447                 }
 448                 /* << Modification of the RATE */
 449
 450                 /* tile->comps=(opj_tcd_tilecomp_t*)j2k_realloc(tile->comps,image->numcomps*sizeof(opj_tcd_tilecomp_t)); */
 451                 for (compno = 0; compno < tile->numcomps; compno++) {
 452                         opj_tccp_t *tccp = &tcp->tccps[compno];
 453
 454                         tcd->tilec = &tile->comps[compno];
 455                         tilec = tcd->tilec;
 456
 457                         /* border of each tile component (global) */
 458                         tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 459                         tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 460                         tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 461                         tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 462
 463                         tilec->data = (int *) opj_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
 464                         tilec->numresolutions = tccp->numresolutions;
 465                         /* tilec->resolutions=(opj_tcd_resolution_t*)j2k_realloc(tilec->resolutions,tilec->numresolutions*sizeof(opj_tcd_resolution_t)); */
 466                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 467                                 int pdx, pdy;
 468
 469                                 int levelno = tilec->numresolutions - 1 - resno;
 470                                 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 471                                 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 472                                 int cbgwidthexpn, cbgheightexpn;
 473                                 int cblkwidthexpn, cblkheightexpn;
 474
 475                                 tcd->res = &tilec->resolutions[resno];
 476                                 res = tcd->res;
 477
 478                                 /* border for each resolution level (global) */
 479                                 res->x0 = int_ceildivpow2(tilec->x0, levelno);
 480                                 res->y0 = int_ceildivpow2(tilec->y0, levelno);
 481                                 res->x1 = int_ceildivpow2(tilec->x1, levelno);
 482                                 res->y1 = int_ceildivpow2(tilec->y1, levelno);
 483                                 res->numbands = resno == 0 ? 1 : 3;
 484
 485                                 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 486                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 487                                         pdx = tccp->prcw[resno];
 488                                         pdy = tccp->prch[resno];
 489                                 } else {
 490                                         pdx = 15;
 491                                         pdy = 15;
 492                                 }
 493                                 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 494                                 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 495                                 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 496                                 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 497                                 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 498
 499                                 res->pw = (brprcxend - tlprcxstart) >> pdx;
 500                                 res->ph = (brprcyend - tlprcystart) >> pdy;
 501
 502                                 if (resno == 0) {
 503                                         tlcbgxstart = tlprcxstart;
 504                                         tlcbgystart = tlprcystart;
 505                                         brcbgxend = brprcxend;
 506                                         brcbgyend = brprcyend;
 507                                         cbgwidthexpn = pdx;
 508                                         cbgheightexpn = pdy;
 509                                 } else {
 510                                         tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 511                                         tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 512                                         brcbgxend = int_ceildivpow2(brprcxend, 1);
 513                                         brcbgyend = int_ceildivpow2(brprcyend, 1);
 514                                         cbgwidthexpn = pdx - 1;
 515                                         cbgheightexpn = pdy - 1;
 516                                 }
 517
 518                                 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 519                                 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 520
 521                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 522                                         int x0b, y0b;
 523                                         int gain, numbps;
 524                                         opj_stepsize_t *ss = NULL;
 525
 526                                         tcd->band = &res->bands[bandno];
 527                                         band = tcd->band;
 528
 529                                         band->bandno = resno == 0 ? 0 : bandno + 1;
 530                                         x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 531                                         y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 532
 533                                         if (band->bandno == 0) {
 534                                                 /* band border */
 535                                                 band->x0 = int_ceildivpow2(tilec->x0, levelno);
 536                                                 band->y0 = int_ceildivpow2(tilec->y0, levelno);
 537                                                 band->x1 = int_ceildivpow2(tilec->x1, levelno);
 538                                                 band->y1 = int_ceildivpow2(tilec->y1, levelno);
 539                                         } else {
 540                                                 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 541                                                 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 542                                                 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 543                                                 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 544                                         }
 545
 546                                         ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 547                                         gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 548                                         numbps = image->comps[compno].prec + gain;
 549                                         band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
 550                                         band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 551
 552                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 553                                                 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 554
 555                                                 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 556                                                 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 557                                                 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 558                                                 int cbgyend = cbgystart + (1 << cbgheightexpn);
 559
 560                                                 tcd->prc = &band->precincts[precno];
 561                                                 prc = tcd->prc;
 562
 563                                                 /* precinct size (global) */
 564                                                 prc->x0 = int_max(cbgxstart, band->x0);
 565                                                 prc->y0 = int_max(cbgystart, band->y0);
 566                                                 prc->x1 = int_min(cbgxend, band->x1);
 567                                                 prc->y1 = int_min(cbgyend, band->y1);
 568
 569                                                 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 570                                                 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 571                                                 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 572                                                 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 573                                                 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 574                                                 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 575
 576                                                 opj_free(prc->cblks);
 577                                                 prc->cblks = (opj_tcd_cblk_t *) opj_malloc(prc->cw * prc->ch * sizeof(opj_tcd_cblk_t));
 578
 579                                                 if (prc->incltree != NULL) {
 580                                                         tgt_destroy(prc->incltree);
 581                                                 }
 582                                                 if (prc->imsbtree != NULL) {
 583                                                         tgt_destroy(prc->imsbtree);
 584                                                 }
 585
 586                                                 prc->incltree = tgt_create(prc->cw, prc->ch);
 587                                                 prc->imsbtree = tgt_create(prc->cw, prc->ch);
 588
 589                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 590                                                         int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 591                                                         int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 592                                                         int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 593                                                         int cblkyend = cblkystart + (1 << cblkheightexpn);
 594
 595                                                         tcd->cblk = &prc->cblks[cblkno];
 596                                                         cblk = tcd->cblk;
 597
 598                                                         /* code-block size (global) */
 599                                                         cblk->x0 = int_max(cblkxstart, prc->x0);
 600                                                         cblk->y0 = int_max(cblkystart, prc->y0);
 601                                                         cblk->x1 = int_min(cblkxend, prc->x1);
 602                                                         cblk->y1 = int_min(cblkyend, prc->y1);
 603                                                 }
 604                                         } /* precno */
 605                                 } /* bandno */
 606                         } /* resno */
 607                 } /* compno */
 608         } /* tileno */
 609
 610         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 611 }
 612
 613 void tcd_malloc_decode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp) {
 614         int tileno, compno, resno, bandno, precno, cblkno, i, j, p, q;
 615         unsigned int x0 = 0, y0 = 0, x1 = 0, y1 = 0, w, h;
 616
 617         tcd->image = image;
 618         tcd->cp = cp;
 619         tcd->tcd_image->tw = cp->tw;
 620         tcd->tcd_image->th = cp->th;
 621         tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tcd_tile_t));
 622
 623         for (i = 0; i < cp->tileno_size; i++) {
 624                 opj_tcp_t *tcp = &(cp->tcps[cp->tileno[i]]);
 625                 opj_tcd_tile_t *tile = &(tcd->tcd_image->tiles[cp->tileno[i]]);
 626
 627                 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 628                 tileno = cp->tileno[i];
 629                 p = tileno % cp->tw;    /* si numerotation matricielle .. */
 630                 q = tileno / cp->tw;    /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
 631
 632                 /* 4 borders of the tile rescale on the image if necessary */
 633                 tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 634                 tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 635                 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 636                 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 637
 638                 tile->numcomps = image->numcomps;
 639                 tile->comps = (opj_tcd_tilecomp_t *) opj_malloc(image->numcomps * sizeof(opj_tcd_tilecomp_t));
 640                 for (compno = 0; compno < tile->numcomps; compno++) {
 641                         opj_tccp_t *tccp = &tcp->tccps[compno];
 642                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 643
 644                         /* border of each tile component (global) */
 645                         tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 646                         tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 647                         tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 648                         tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 649
 650                         tilec->data = (int *) opj_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
 651                         tilec->numresolutions = tccp->numresolutions;
 652                         tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));
 653
 654                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 655                                 int pdx, pdy;
 656                                 int levelno = tilec->numresolutions - 1 - resno;
 657                                 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 658                                 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 659                                 int cbgwidthexpn, cbgheightexpn;
 660                                 int cblkwidthexpn, cblkheightexpn;
 661
 662                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 663
 664                                 /* border for each resolution level (global) */
 665                                 res->x0 = int_ceildivpow2(tilec->x0, levelno);
 666                                 res->y0 = int_ceildivpow2(tilec->y0, levelno);
 667                                 res->x1 = int_ceildivpow2(tilec->x1, levelno);
 668                                 res->y1 = int_ceildivpow2(tilec->y1, levelno);
 669                                 res->numbands = resno == 0 ? 1 : 3;
 670
 671                                 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 672                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 673                                         pdx = tccp->prcw[resno];
 674                                         pdy = tccp->prch[resno];
 675                                 } else {
 676                                         pdx = 15;
 677                                         pdy = 15;
 678                                 }
 679
 680                                 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 681                                 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 682                                 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 683                                 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 684                                 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 685
 686                                 res->pw = (res->x0 == res->x1) ? 0 : ((brprcxend - tlprcxstart) >> pdx);
 687                                 res->ph = (res->y0 == res->y1) ? 0 : ((brprcyend - tlprcystart) >> pdy);
 688
 689                                 if (resno == 0) {
 690                                         tlcbgxstart = tlprcxstart;
 691                                         tlcbgystart = tlprcystart;
 692                                         brcbgxend = brprcxend;
 693                                         brcbgyend = brprcyend;
 694                                         cbgwidthexpn = pdx;
 695                                         cbgheightexpn = pdy;
 696                                 } else {
 697                                         tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 698                                         tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 699                                         brcbgxend = int_ceildivpow2(brprcxend, 1);
 700                                         brcbgyend = int_ceildivpow2(brprcyend, 1);
 701                                         cbgwidthexpn = pdx - 1;
 702                                         cbgheightexpn = pdy - 1;
 703                                 }
 704
 705                                 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 706                                 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 707
 708                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 709                                         int x0b, y0b;
 710                                         int gain, numbps;
 711                                         opj_stepsize_t *ss = NULL;
 712
 713                                         opj_tcd_band_t *band = &res->bands[bandno];
 714                                         band->bandno = resno == 0 ? 0 : bandno + 1;
 715                                         x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 716                                         y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 717
 718                                         if (band->bandno == 0) {
 719                                                 /* band border (global) */
 720                                                 band->x0 = int_ceildivpow2(tilec->x0, levelno);
 721                                                 band->y0 = int_ceildivpow2(tilec->y0, levelno);
 722                                                 band->x1 = int_ceildivpow2(tilec->x1, levelno);
 723                                                 band->y1 = int_ceildivpow2(tilec->y1, levelno);
 724                                         } else {
 725                                                 /* band border (global) */
 726                                                 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 727                                                 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 728                                                 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 729                                                 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 730                                         }
 731
 732                                         ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 733                                         gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 734                                         numbps = image->comps[compno].prec + gain;
 735                                         band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
 736                                         band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 737
 738                                         band->precincts = (opj_tcd_precinct_t *) opj_malloc(res->pw * res->ph * sizeof(opj_tcd_precinct_t));
 739
 740                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 741                                                 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 742                                                 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 743                                                 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 744                                                 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 745                                                 int cbgyend = cbgystart + (1 << cbgheightexpn);
 746
 747                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
 748                                                 /* precinct size (global) */
 749                                                 prc->x0 = int_max(cbgxstart, band->x0);
 750                                                 prc->y0 = int_max(cbgystart, band->y0);
 751                                                 prc->x1 = int_min(cbgxend, band->x1);
 752                                                 prc->y1 = int_min(cbgyend, band->y1);
 753
 754                                                 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 755                                                 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 756                                                 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 757                                                 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 758                                                 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 759                                                 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 760
 761                                                 prc->cblks = (opj_tcd_cblk_t *) opj_malloc(prc->cw * prc->ch * sizeof(opj_tcd_cblk_t));
 762
 763                                                 prc->incltree = tgt_create(prc->cw, prc->ch);
 764                                                 prc->imsbtree = tgt_create(prc->cw, prc->ch);
 765
 766                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 767                                                         int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 768                                                         int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 769                                                         int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 770                                                         int cblkyend = cblkystart + (1 << cblkheightexpn);
 771
 772                                                         /* code-block size (global) */
 773                                                         opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
 774                                                         cblk->x0 = int_max(cblkxstart, prc->x0);
 775                                                         cblk->y0 = int_max(cblkystart, prc->y0);
 776                                                         cblk->x1 = int_min(cblkxend, prc->x1);
 777                                                         cblk->y1 = int_min(cblkyend, prc->y1);
 778                                                 }
 779                                         } /* precno */
 780                                 } /* bandno */
 781                         } /* resno */
 782                 } /* compno */
 783         } /* i = 0..cp->tileno_size */
 784
 785         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 786
 787         /*
 788         Allocate place to store the decoded data = final image
 789         Place limited by the tile really present in the codestream
 790         */
 791
 792         for (i = 0; i < image->numcomps; i++) {
 793                 for (j = 0; j < cp->tileno_size; j++) {
 794                         tileno = cp->tileno[j];
 795                         x0 = j == 0 ? tcd->tcd_image->tiles[tileno].comps[i].x0 : int_min(x0,
 796                                 (unsigned int) tcd->tcd_image->tiles[tileno].comps[i].x0);
 797                         y0 = j == 0 ? tcd->tcd_image->tiles[tileno].comps[i].y0 : int_min(y0,
 798                                 (unsigned int) tcd->tcd_image->tiles[tileno].comps[i].y0);
 799                         x1 = j == 0 ? tcd->tcd_image->tiles[tileno].comps[i].x1 : int_max(x1,
 800                                 (unsigned int) tcd->tcd_image->tiles[tileno].comps[i].x1);
 801                         y1 = j == 0 ? tcd->tcd_image->tiles[tileno].comps[i].y1 : int_max(y1,
 802                                 (unsigned int) tcd->tcd_image->tiles[tileno].comps[i].y1);
 803                 }
 804
 805                 w = x1 - x0;
 806                 h = y1 - y0;
 807
 808                 image->comps[i].data = (int *) opj_malloc(w * h * sizeof(int));
 809                 image->comps[i].w = w;
 810                 image->comps[i].h = h;
 811                 image->comps[i].x0 = x0;
 812                 image->comps[i].y0 = y0;
 813         }
 814 }
 815
 816 void tcd_makelayer_fixed(opj_tcd_t *tcd, int layno, int final) {
 817         int compno, resno, bandno, precno, cblkno;
 818         int value;                      /*, matrice[tcd_tcp->numlayers][tcd_tile->comps[0].numresolutions][3]; */
 819         int matrice[10][10][3];
 820         int i, j, k;
 821
 822         opj_cp_t *cp = tcd->cp;
 823         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
 824         opj_tcp_t *tcd_tcp = tcd->tcp;
 825
 826         /*matrice=(int*)opj_malloc(tcd_tcp->numlayers*tcd_tile->comps[0].numresolutions*3*sizeof(int)); */
 827
 828         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 829                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
 830                 for (i = 0; i < tcd_tcp->numlayers; i++) {
 831                         for (j = 0; j < tilec->numresolutions; j++) {
 832                                 for (k = 0; k < 3; k++) {
 833                                         matrice[i][j][k] =
 834                                                 (int) (cp->matrice[i * tilec->numresolutions * 3 + j * 3 + k]
 835                                                 * (float) (tcd->image->comps[compno].prec / 16.0));
 836                                 }
 837                         }
 838                 }
 839
 840                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 841                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 842                         for (bandno = 0; bandno < res->numbands; bandno++) {
 843                                 opj_tcd_band_t *band = &res->bands[bandno];
 844                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 845                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 846                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 847                                                 opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
 848                                                 opj_tcd_layer_t *layer = &cblk->layers[layno];
 849                                                 int n;
 850                                                 int imsb = tcd->image->comps[compno].prec - cblk->numbps;       /* number of bit-plan equal to zero */
 851                                                 /* Correction of the matrix of coefficient to include the IMSB information */
 852                                                 if (layno == 0) {
 853                                                         value = matrice[layno][resno][bandno];
 854                                                         if (imsb >= value) {
 855                                                                 value = 0;
 856                                                         } else {
 857                                                                 value -= imsb;
 858                                                         }
 859                                                 } else {
 860                                                         value = matrice[layno][resno][bandno] - matrice[layno - 1][resno][bandno];
 861                                                         if (imsb >= matrice[layno - 1][resno][bandno]) {
 862                                                                 value -= (imsb - matrice[layno - 1][resno][bandno]);
 863                                                                 if (value < 0) {
 864                                                                         value = 0;
 865                                                                 }
 866                                                         }
 867                                                 }
 868
 869                                                 if (layno == 0) {
 870                                                         cblk->numpassesinlayers = 0;
 871                                                 }
 872
 873                                                 n = cblk->numpassesinlayers;
 874                                                 if (cblk->numpassesinlayers == 0) {
 875                                                         if (value != 0) {
 876                                                                 n = 3 * value - 2 + cblk->numpassesinlayers;
 877                                                         } else {
 878                                                                 n = cblk->numpassesinlayers;
 879                                                         }
 880                                                 } else {
 881                                                         n = 3 * value + cblk->numpassesinlayers;
 882                                                 }
 883
 884                                                 layer->numpasses = n - cblk->numpassesinlayers;
 885
 886                                                 if (!layer->numpasses)
 887                                                         continue;
 888
 889                                                 if (cblk->numpassesinlayers == 0) {
 890                                                         layer->len = cblk->passes[n - 1].rate;
 891                                                         layer->data = cblk->data;
 892                                                 } else {
 893                                                         layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
 894                                                         layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
 895                                                 }
 896                                                 if (final)
 897                                                         cblk->numpassesinlayers = n;
 898                                         }
 899                                 }
 900                         }
 901                 }
 902         }
 903 }
 904
 905 void tcd_rateallocate_fixed(opj_tcd_t *tcd) {
 906         int layno;
 907         for (layno = 0; layno < tcd->tcp->numlayers; layno++) {
 908                 tcd_makelayer_fixed(tcd, layno, 1);
 909         }
 910 }
 911
 912 void tcd_makelayer(opj_tcd_t *tcd, int layno, double thresh, int final) {
 913         int compno, resno, bandno, precno, cblkno, passno;
 914
 915         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
 916
 917         tcd_tile->distolayer[layno] = 0;        /* fixed_quality */
 918
 919         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 920                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
 921                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 922                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 923                         for (bandno = 0; bandno < res->numbands; bandno++) {
 924                                 opj_tcd_band_t *band = &res->bands[bandno];
 925                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 926                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 927                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 928                                                 opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
 929                                                 opj_tcd_layer_t *layer = &cblk->layers[layno];
 930
 931                                                 int n;
 932                                                 if (layno == 0) {
 933                                                         cblk->numpassesinlayers = 0;
 934                                                 }
 935                                                 n = cblk->numpassesinlayers;
 936                                                 for (passno = cblk->numpassesinlayers; passno < cblk->totalpasses; passno++) {
 937                                                         int dr;
 938                                                         double dd;
 939                                                         opj_tcd_pass_t *pass = &cblk->passes[passno];
 940                                                         if (n == 0) {
 941                                                                 dr = pass->rate;
 942                                                                 dd = pass->distortiondec;
 943                                                         } else {
 944                                                                 dr = pass->rate - cblk->passes[n - 1].rate;
 945                                                                 dd = pass->distortiondec - cblk->passes[n - 1].distortiondec;
 946                                                         }
 947                                                         if (!dr) {
 948                                                                 if (dd)
 949                                                                         n = passno + 1;
 950                                                                 continue;
 951                                                         }
 952                                                         if (dd / dr >= thresh)
 953                                                                 n = passno + 1;
 954                                                 }
 955                                                 layer->numpasses = n - cblk->numpassesinlayers;
 956
 957                                                 if (!layer->numpasses) {
 958                                                         layer->disto = 0;
 959                                                         continue;
 960                                                 }
 961                                                 if (cblk->numpassesinlayers == 0) {
 962                                                         layer->len = cblk->passes[n - 1].rate;
 963                                                         layer->data = cblk->data;
 964                                                         layer->disto = cblk->passes[n - 1].distortiondec;
 965                                                 } else {
 966                                                         layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
 967                                                         layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
 968                                                         layer->disto = cblk->passes[n - 1].distortiondec - cblk->passes[cblk->numpassesinlayers - 1].distortiondec;
 969                                                 }
 970
 971                                                 tcd_tile->distolayer[layno] += layer->disto;    /* fixed_quality */
 972
 973                                                 if (final)
 974                                                         cblk->numpassesinlayers = n;
 975                                         }
 976                                 }
 977                         }
 978                 }
 979         }
 980 }
 981
 982 bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_image_info_t * image_info) {
 983         int compno, resno, bandno, precno, cblkno, passno, layno;
 984         double min, max;
 985         double cumdisto[100];   /* fixed_quality */
 986         const double K = 1;             /* 1.1; // fixed_quality */
 987         double maxSE = 0;
 988
 989         opj_cp_t *cp = tcd->cp;
 990         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
 991         opj_tcp_t *tcd_tcp = tcd->tcp;
 992
 993         min = DBL_MAX;
 994         max = 0;
 995
 996         tcd_tile->nbpix = 0;            /* fixed_quality */
 997
 998         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 999                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
1000                 tilec->nbpix = 0;
1001                 for (resno = 0; resno < tilec->numresolutions; resno++) {
1002                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1003                         for (bandno = 0; bandno < res->numbands; bandno++) {
1004                                 opj_tcd_band_t *band = &res->bands[bandno];
1005                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
1006                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
1007                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
1008                                                 opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
1009                                                 for (passno = 0; passno < cblk->totalpasses; passno++) {
1010                                                         opj_tcd_pass_t *pass = &cblk->passes[passno];
1011                                                         int dr;
1012                                                         double dd, rdslope;
1013                                                         if (passno == 0) {
1014                                                                 dr = pass->rate;
1015                                                                 dd = pass->distortiondec;
1016                                                         } else {
1017                                                                 dr = pass->rate - cblk->passes[passno - 1].rate;
1018                                                                 dd = pass->distortiondec - cblk->passes[passno - 1].distortiondec;
1019                                                         }
1020                                                         if (dr == 0) {
1021                                                                 continue;
1022                                                         }
1023                                                         rdslope = dd / dr;
1024                                                         if (rdslope < min) {
1025                                                                 min = rdslope;
1026                                                         }
1027                                                         if (rdslope > max) {
1028                                                                 max = rdslope;
1029                                                         }
1030                                                 } /* passno */
1031
1032                                                 /* fixed_quality */
1033                                                 tcd_tile->nbpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1034                                                 tilec->nbpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1035                                         } /* cbklno */
1036                                 } /* precno */
1037                         } /* bandno */
1038                 } /* resno */
1039
1040                 maxSE += (((double)(1 << tcd->image->comps[compno].prec) - 1.0)
1041                         * ((double)(1 << tcd->image->comps[compno].prec) -1.0))
1042                         * ((double)(tilec->nbpix));
1043         } /* compno */
1044
1045         /* add antonin index */
1046         if(image_info && image_info->index_on) {
1047                 opj_tile_info_t *info_TL = &image_info->tile[tcd->tcd_tileno];
1048                 info_TL->nbpix = tcd_tile->nbpix;
1049                 info_TL->distotile = tcd_tile->distotile;
1050                 info_TL->thresh = (double *) opj_malloc(tcd_tcp->numlayers * sizeof(double));
1051         }
1052         /* dda */
1053
1054         for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
1055                 double lo = min;
1056                 double hi = max;
1057                 int success = 0;
1058                 int maxlen = tcd_tcp->rates[layno] ? int_min(tcd_tcp->rates[layno], len) : len;
1059                 double goodthresh;
1060                 int i;
1061                 double distotarget;             /* fixed_quality */
1062
1063                 /* fixed_quality */
1064                 distotarget = tcd_tile->distotile - ((K * maxSE) / pow((float)10, tcd_tcp->distoratio[layno] / 10));
1065
1066                 if ((tcd_tcp->rates[layno]) || (cp->disto_alloc==0)) {
1067                         opj_t2_t *t2 = t2_create(tcd->cinfo, tcd->image, cp);
1068
1069                         for (i = 0; i < 32; i++) {
1070                                 double thresh = (lo + hi) / 2;
1071                                 int l = 0;
1072                                 double distoachieved = 0;       /* fixed_quality */
1073
1074                                 tcd_makelayer(tcd, layno, thresh, 0);
1075
1076                                 if (cp->fixed_quality) {        /* fixed_quality */
1077                                         distoachieved = layno == 0 ?
1078                                                 tcd_tile->distolayer[0] : cumdisto[layno - 1] + tcd_tile->distolayer[layno];
1079                                         if (distoachieved < distotarget) {
1080                                                 hi = thresh;
1081                                                 continue;
1082                                         }
1083                                         lo = thresh;
1084                                 } else {
1085                                         l = t2_encode_packets(t2, tcd->tcd_tileno, tcd_tile, layno + 1, dest, maxlen, image_info);
1086                                         opj_event_msg(tcd->cinfo, EVT_INFO, "rate alloc: len=%d, max=%d\n", l, maxlen);
1087                                         if (l == -999) {
1088                                                 lo = thresh;
1089                                                 continue;
1090                                         }
1091                                         hi = thresh;
1092                                 }
1093
1094                                 success = 1;
1095                                 goodthresh = thresh;
1096                         }
1097                         t2_destroy(t2);
1098                 } else {
1099                         success = 1;
1100                         goodthresh = min;
1101                 }
1102
1103                 if (!success) {
1104                         return false;
1105                 }
1106
1107                 if(image_info && image_info->index_on) {        /* Threshold for Marcela Index */
1108                         image_info->tile[tcd->tcd_tileno].thresh[layno] = goodthresh;
1109                 }
1110                 tcd_makelayer(tcd, layno, goodthresh, 1);
1111
1112                 /* fixed_quality */
1113                 cumdisto[layno] = layno == 0 ? tcd_tile->distolayer[0] : cumdisto[layno - 1] + tcd_tile->distolayer[layno];
1114         }
1115
1116         return true;
1117 }
1118
1119 int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len, opj_image_info_t * image_info) {
1120         int compno;
1121         int l, i, npck = 0;
1122         double encoding_time;
1123         opj_tcd_tile_t *tile = NULL;
1124         opj_tcp_t *tcd_tcp = NULL;
1125         opj_cp_t *cp = NULL;
1126
1127         opj_tcp_t *tcp = &tcd->cp->tcps[0];
1128         opj_tccp_t *tccp = &tcp->tccps[0];
1129         opj_image_t *image = tcd->image;
1130
1131         opj_t1_t *t1 = NULL;            /* T1 component */
1132         opj_t2_t *t2 = NULL;            /* T2 component */
1133
1134         tcd->tcd_tileno = tileno;
1135         tcd->tcd_tile = tcd->tcd_image->tiles;
1136         tcd->tcp = &tcd->cp->tcps[tileno];
1137
1138         tile = tcd->tcd_tile;
1139         tcd_tcp = tcd->tcp;
1140         cp = tcd->cp;
1141
1142         /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
1143         if(image_info && image_info->index_on) {
1144                 opj_tcd_tilecomp_t *tilec_idx = &tile->comps[0];        /* based on component 0 */
1145                 for (i = 0; i < tilec_idx->numresolutions; i++) {
1146                         opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];
1147
1148                         image_info->tile[tileno].pw[i] = res_idx->pw;
1149                         image_info->tile[tileno].ph[i] = res_idx->ph;
1150
1151                         npck += res_idx->pw * res_idx->ph;
1152
1153                         image_info->tile[tileno].pdx[i] = tccp->prcw[i];
1154                         image_info->tile[tileno].pdy[i] = tccp->prch[i];
1155                 }
1156                 image_info->tile[tileno].packet = (opj_packet_info_t *) opj_malloc(image_info->comp * image_info->layer * npck * sizeof(opj_packet_info_t));
1157         }
1158         /* << INDEX */
1159
1160         /*---------------TILE-------------------*/
1161         encoding_time = opj_clock();    /* time needed to encode a tile */
1162
1163         for (compno = 0; compno < tile->numcomps; compno++) {
1164                 int x, y;
1165
1166                 int adjust = image->comps[compno].sgnd ? 0 : 1 << (image->comps[compno].prec - 1);
1167                 int offset_x = int_ceildiv(image->x0, image->comps[compno].dx);
1168                 int offset_y = int_ceildiv(image->y0, image->comps[compno].dy);
1169
1170                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1171                 int tw = tilec->x1 - tilec->x0;
1172                 int w = int_ceildiv(image->x1 - image->x0, image->comps[compno].dx);
1173
1174                 /* extract tile data */
1175
1176                 if (tcd_tcp->tccps[compno].qmfbid == 1) {
1177                         for (y = tilec->y0; y < tilec->y1; y++) {
1178                                 /* start of the src tile scanline */
1179                                 int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1180                                 /* start of the dst tile scanline */
1181                                 int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1182                                 for (x = tilec->x0; x < tilec->x1; x++) {
1183                                         *tile_data++ = *data++ - adjust;
1184                                 }
1185                         }
1186                 } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1187                         for (y = tilec->y0; y < tilec->y1; y++) {
1188                                 /* start of the src tile scanline */
1189                                 int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1190                                 /* start of the dst tile scanline */
1191                                 int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1192                                 for (x = tilec->x0; x < tilec->x1; x++) {
1193                                         *tile_data++ = (*data++ - adjust) << 13;
1194                                 }
1195                         }
1196                 }
1197         }
1198
1199         /*----------------MCT-------------------*/
1200         if (tcd_tcp->mct) {
1201                 int samples = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
1202                 if (tcd_tcp->tccps[0].qmfbid == 0) {
1203                         mct_encode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1204                 } else {
1205                         mct_encode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1206                 }
1207         }
1208
1209         /*----------------DWT---------------------*/
1210
1211         for (compno = 0; compno < tile->numcomps; compno++) {
1212                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1213                 if (tcd_tcp->tccps[compno].qmfbid == 1) {
1214                         dwt_encode(tilec);
1215                 } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1216                         dwt_encode_real(tilec);
1217                 }
1218         }
1219
1220         /*------------------TIER1-----------------*/
1221         t1 = t1_create(tcd->cinfo);
1222         t1_encode_cblks(t1, tile, tcd_tcp);
1223         t1_destroy(t1);
1224
1225         /*-----------RATE-ALLOCATE------------------*/
1226
1227         /* INDEX */
1228         if(image_info) {
1229                 image_info->index_write = 0;
1230         }
1231         if (cp->disto_alloc || cp->fixed_quality) {     /* fixed_quality */
1232                 /* Normal Rate/distortion allocation */
1233                 tcd_rateallocate(tcd, dest, len, image_info);
1234         } else {
1235                 /* Fixed layer allocation */
1236                 tcd_rateallocate_fixed(tcd);
1237         }
1238
1239         /*--------------TIER2------------------*/
1240
1241         /* INDEX */
1242         if(image_info) {
1243                 image_info->index_write = 1;
1244         }
1245
1246         t2 = t2_create(tcd->cinfo, image, cp);
1247         l = t2_encode_packets(t2, tileno, tile, tcd_tcp->numlayers, dest, len, image_info);
1248         t2_destroy(t2);
1249
1250         /*---------------CLEAN-------------------*/
1251
1252         encoding_time = opj_clock() - encoding_time;
1253         opj_event_msg(tcd->cinfo, EVT_INFO, "- tile encoded in %f s\n", encoding_time);
1254
1255         /* cleaning memory */
1256         for (compno = 0; compno < tile->numcomps; compno++) {
1257                 tcd->tilec = &tile->comps[compno];
1258                 opj_free(tcd->tilec->data);
1259         }
1260
1261         return l;
1262 }
1263
1264 bool tcd_decode_tile(opj_tcd_t *tcd, unsigned char *src, int len, int tileno) {
1265         int l;
1266         int compno;
1267         int eof = 0;
1268         double tile_time, t1_time, dwt_time;
1269         opj_tcd_tile_t *tile = NULL;
1270
1271         opj_t1_t *t1 = NULL;            /* T1 component */
1272         opj_t2_t *t2 = NULL;            /* T2 component */
1273
1274         tcd->tcd_tileno = tileno;
1275         tcd->tcd_tile = &(tcd->tcd_image->tiles[tileno]);
1276         tcd->tcp = &(tcd->cp->tcps[tileno]);
1277         tile = tcd->tcd_tile;
1278
1279         tile_time = opj_clock();        /* time needed to decode a tile */
1280         opj_event_msg(tcd->cinfo, EVT_INFO, "tile %d of %d\n", tileno + 1, tcd->cp->tw * tcd->cp->th);
1281
1282         /*--------------TIER2------------------*/
1283
1284         t2 = t2_create(tcd->cinfo, tcd->image, tcd->cp);
1285         l = t2_decode_packets(t2, src, len, tileno, tile);
1286         t2_destroy(t2);
1287
1288         if (l == -999) {
1289                 eof = 1;
1290                 opj_event_msg(tcd->cinfo, EVT_ERROR, "tcd_decode: incomplete bistream\n");
1291         }
1292
1293         /*------------------TIER1-----------------*/
1294
1295         t1_time = opj_clock();  /* time needed to decode a tile */
1296         t1 = t1_create(tcd->cinfo);
1297         t1_decode_cblks(t1, tile, tcd->tcp);
1298         t1_destroy(t1);
1299         t1_time = opj_clock() - t1_time;
1300         opj_event_msg(tcd->cinfo, EVT_INFO, "- tiers-1 took %f s\n", t1_time);
1301
1302         /*----------------DWT---------------------*/
1303
1304         dwt_time = opj_clock(); /* time needed to decode a tile */
1305         for (compno = 0; compno < tile->numcomps; compno++) {
1306                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1307                 if (tcd->cp->reduce != 0) {
1308                         tcd->image->comps[compno].resno_decoded =
1309                                 tile->comps[compno].numresolutions - tcd->cp->reduce - 1;
1310                 }
1311
1312                 if (tcd->tcp->tccps[compno].qmfbid == 1) {
1313                         dwt_decode(tilec, tilec->numresolutions - 1 - tcd->image->comps[compno].resno_decoded);
1314                 } else {
1315                         dwt_decode_real(tilec, tilec->numresolutions - 1 - tcd->image->comps[compno].resno_decoded);
1316                 }
1317
1318                 if (tile->comps[compno].numresolutions > 0) {
1319                         tcd->image->comps[compno].factor = tile->comps[compno].numresolutions - (tcd->image->comps[compno].resno_decoded + 1);
1320                 }
1321         }
1322         dwt_time = opj_clock() - dwt_time;
1323         opj_event_msg(tcd->cinfo, EVT_INFO, "- dwt took %f s\n", dwt_time);
1324
1325         /*----------------MCT-------------------*/
1326
1327         if (tcd->tcp->mct) {
1328                 if (tcd->tcp->tccps[0].qmfbid == 1) {
1329                         mct_decode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data,
1330                                 (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0));
1331                 } else {
1332                         mct_decode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data,
1333                                 (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0));
1334                 }
1335         }
1336
1337         /*---------------TILE-------------------*/
1338
1339         for (compno = 0; compno < tile->numcomps; compno++) {
1340                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1341                 opj_tcd_resolution_t *res =     &tilec->resolutions[tcd->image->comps[compno].resno_decoded];
1342                 int adjust = tcd->image->comps[compno].sgnd ? 0 : 1 << (tcd->image->comps[compno].prec - 1);
1343                 int min = tcd->image->comps[compno].sgnd ?
1344                         -(1 << (tcd->image->comps[compno].prec - 1)) : 0;
1345                 int max = tcd->image->comps[compno].sgnd ?
1346                         (1 << (tcd->image->comps[compno].prec - 1)) - 1 : (1 << tcd->image->comps[compno].prec) - 1;
1347
1348                 int tw = tilec->x1 - tilec->x0;
1349                 int w = tcd->image->comps[compno].w;
1350
1351                 int i, j;
1352                 int offset_x = int_ceildivpow2(tcd->image->comps[compno].x0, tcd->image->comps[compno].factor);
1353                 int offset_y = int_ceildivpow2(tcd->image->comps[compno].y0, tcd->image->comps[compno].factor);
1354
1355                 for (j = res->y0; j < res->y1; j++) {
1356                         for (i = res->x0; i < res->x1; i++) {
1357                                 int v;
1358                                 float tmp = (float)((tilec->data[i - res->x0 + (j - res->y0) * tw]) / 8192.0);
1359
1360                                 if (tcd->tcp->tccps[compno].qmfbid == 1) {
1361                                         v = tilec->data[i - res->x0 + (j - res->y0) * tw];
1362                                 } else {
1363                                         int tmp2 = ((int) (floor(fabs(tmp)))) + ((int) floor(fabs(tmp*2))%2);
1364                                         v = ((tmp < 0) ? -tmp2:tmp2);
1365                                 }
1366                                 v += adjust;
1367
1368                                 tcd->image->comps[compno].data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
1369                         }
1370                 }
1371         }
1372
1373         tile_time = opj_clock() - tile_time;    /* time needed to decode a tile */
1374         opj_event_msg(tcd->cinfo, EVT_INFO, "- tile decoded in %f s\n", tile_time);
1375
1376         for (compno = 0; compno < tile->numcomps; compno++) {
1377                 opj_free(tcd->tcd_image->tiles[tileno].comps[compno].data);
1378                 tcd->tcd_image->tiles[tileno].comps[compno].data = NULL;
1379         }
1380
1381         if (eof) {
1382                 return false;
1383         }
1384
1385         return true;
1386 }
1387
1388 void tcd_free_decode(opj_tcd_t *tcd) {
1389         int tileno,compno,resno,bandno,precno;
1390
1391         opj_tcd_image_t *tcd_image = tcd->tcd_image;
1392
1393         for (tileno = 0; tileno < tcd_image->tw * tcd_image->th; tileno++) {
1394                 opj_tcd_tile_t *tile = &tcd_image->tiles[tileno];
1395                 for (compno = 0; compno < tile->numcomps; compno++) {
1396                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1397                         for (resno = 0; resno < tilec->numresolutions; resno++) {
1398                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1399                                 for (bandno = 0; bandno < res->numbands; bandno++) {
1400                                         opj_tcd_band_t *band = &res->bands[bandno];
1401                                         for (precno = 0; precno < res->ph * res->pw; precno++) {
1402                                                 opj_tcd_precinct_t *prec = &band->precincts[precno];
1403                                                 if (prec->cblks != NULL) opj_free(prec->cblks);
1404                                                 if (prec->imsbtree != NULL) tgt_destroy(prec->imsbtree);
1405                                                 if (prec->incltree != NULL) tgt_destroy(prec->incltree);
1406                                         }
1407                                         if (band->precincts != NULL) opj_free(band->precincts);
1408                                 }
1409                         }
1410                         if (tilec->resolutions != NULL) opj_free(tilec->resolutions);
1411                 }
1412                 if (tile->comps != NULL) opj_free(tile->comps);
1413         }
1414
1415         if (tcd_image->tiles != NULL) opj_free(tcd_image->tiles);
1416 }
1417