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