libopenjpeg/tcd.c

   1 /*
   2  * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
   3  * Copyright (c) 2002-2007, Professor Benoit Macq
   4  * Copyright (c) 2001-2003, David Janssens
   5  * Copyright (c) 2002-2003, Yannick Verschueren
   6  * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
   7  * Copyright (c) 2005, Herve Drolon, FreeImage Team
   8  * Copyright (c) 2006-2007, Parvatha Elangovan
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
  21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  24  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  30  * POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include "opj_includes.h"
  34
  35 void tcd_dump(FILE *fd, opj_tcd_t *tcd, opj_tcd_image_t * img) {
  36         int tileno, compno, resno, bandno, precno, cblkno;
  37
  38         fprintf(fd, "image {\n");
  39         fprintf(fd, "  tw=%d, th=%d x0=%d x1=%d y0=%d y1=%d\n",
  40                 img->tw, img->th, tcd->image->x0, tcd->image->x1, tcd->image->y0, tcd->image->y1);
  41
  42         for (tileno = 0; tileno < img->th * img->tw; tileno++) {
  43                 opj_tcd_tile_t *tile = &tcd->tcd_image->tiles[tileno];
  44                 fprintf(fd, "  tile {\n");
  45                 fprintf(fd, "    x0=%d, y0=%d, x1=%d, y1=%d, numcomps=%d\n",
  46                         tile->x0, tile->y0, tile->x1, tile->y1, tile->numcomps);
  47                 for (compno = 0; compno < tile->numcomps; compno++) {
  48                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
  49                         fprintf(fd, "    tilec {\n");
  50                         fprintf(fd,
  51                                 "      x0=%d, y0=%d, x1=%d, y1=%d, numresolutions=%d\n",
  52                                 tilec->x0, tilec->y0, tilec->x1, tilec->y1, tilec->numresolutions);
  53                         for (resno = 0; resno < tilec->numresolutions; resno++) {
  54                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
  55                                 fprintf(fd, "\n   res {\n");
  56                                 fprintf(fd,
  57                                         "          x0=%d, y0=%d, x1=%d, y1=%d, pw=%d, ph=%d, numbands=%d\n",
  58                                         res->x0, res->y0, res->x1, res->y1, res->pw, res->ph, res->numbands);
  59                                 for (bandno = 0; bandno < res->numbands; bandno++) {
  60                                         opj_tcd_band_t *band = &res->bands[bandno];
  61                                         fprintf(fd, "        band {\n");
  62                                         fprintf(fd,
  63                                                 "          x0=%d, y0=%d, x1=%d, y1=%d, stepsize=%f, numbps=%d\n",
  64                                                 band->x0, band->y0, band->x1, band->y1, band->stepsize, band->numbps);
  65                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
  66                                                 opj_tcd_precinct_t *prec = &band->precincts[precno];
  67                                                 fprintf(fd, "          prec {\n");
  68                                                 fprintf(fd,
  69                                                         "            x0=%d, y0=%d, x1=%d, y1=%d, cw=%d, ch=%d\n",
  70                                                         prec->x0, prec->y0, prec->x1, prec->y1, prec->cw, prec->ch);
  71                                                 for (cblkno = 0; cblkno < prec->cw * prec->ch; cblkno++) {
  72                                                         opj_tcd_cblk_t *cblk = &prec->cblks[cblkno];
  73                                                         fprintf(fd, "            cblk {\n");
  74                                                         fprintf(fd,
  75                                                                 "              x0=%d, y0=%d, x1=%d, y1=%d\n",
  76                                                                 cblk->x0, cblk->y0, cblk->x1, cblk->y1);
  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         fprintf(fd, "}\n");
  90 }
  91
  92 /* ----------------------------------------------------------------------- */
  93
  94 /**
  95 Create a new TCD handle
  96 */
  97 opj_tcd_t* tcd_create(opj_common_ptr cinfo) {
  98         /* create the tcd structure */
  99         opj_tcd_t *tcd = (opj_tcd_t*)opj_malloc(sizeof(opj_tcd_t));
 100         if(!tcd) return NULL;
 101         tcd->cinfo = cinfo;
 102         tcd->tcd_image = (opj_tcd_image_t*)opj_malloc(sizeof(opj_tcd_image_t));
 103         if(!tcd->tcd_image) {
 104                 opj_free(tcd);
 105                 return NULL;
 106         }
 107
 108         return tcd;
 109 }
 110
 111 /**
 112 Destroy a previously created TCD handle
 113 */
 114 void tcd_destroy(opj_tcd_t *tcd) {
 115         if(tcd) {
 116                 opj_free(tcd->tcd_image);
 117                 opj_free(tcd);
 118         }
 119 }
 120
 121 /* ----------------------------------------------------------------------- */
 122
 123 void tcd_malloc_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno) {
 124         int tileno, compno, resno, bandno, precno, cblkno;
 125
 126         tcd->image = image;
 127         tcd->cp = cp;
 128         tcd->tcd_image->tw = cp->tw;
 129         tcd->tcd_image->th = cp->th;
 130         tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_malloc(sizeof(opj_tcd_tile_t));
 131
 132         for (tileno = 0; tileno < 1; tileno++) {
 133                 opj_tcp_t *tcp = &cp->tcps[curtileno];
 134                 int j;
 135
 136                 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 137                 int p = curtileno % cp->tw;     /* si numerotation matricielle .. */
 138                 int q = curtileno / cp->tw;     /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
 139
 140                 /* opj_tcd_tile_t *tile=&tcd->tcd_image->tiles[tileno]; */
 141                 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
 142
 143                 /* 4 borders of the tile rescale on the image if necessary */
 144                 tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 145                 tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 146                 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 147                 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 148                 tile->numcomps = image->numcomps;
 149                 /* tile->PPT=image->PPT;  */
 150
 151                 /* Modification of the RATE >> */
 152                 for (j = 0; j < tcp->numlayers; j++) {
 153                         tcp->rates[j] = tcp->rates[j] ?
 154                                 ((float) (tile->numcomps
 155                                         * (tile->x1 - tile->x0)
 156                                         * (tile->y1 - tile->y0)
 157                                         * image->comps[0].prec))/
 158                                         (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)
 159                                         : 0;
 160
 161                         if (tcp->rates[j]) {
 162                                 if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
 163                                         tcp->rates[j] = tcp->rates[j - 1] + 20;
 164                                 } else {
 165                                         if (!j && tcp->rates[j] < 30)
 166                                                 tcp->rates[j] = 30;
 167                                 }
 168                         }
 169                 }
 170                 /* << Modification of the RATE */
 171
 172                 tile->comps = (opj_tcd_tilecomp_t *) opj_malloc(image->numcomps * sizeof(opj_tcd_tilecomp_t));
 173                 for (compno = 0; compno < tile->numcomps; compno++) {
 174                         opj_tccp_t *tccp = &tcp->tccps[compno];
 175
 176                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 177
 178                         /* border of each tile component (global) */
 179                         tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 180                         tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 181                         tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 182                         tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 183
 184                         tilec->data = (int *) opj_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
 185                         tilec->numresolutions = tccp->numresolutions;
 186
 187                         tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));
 188
 189                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 190                                 int pdx, pdy;
 191                                 int levelno = tilec->numresolutions - 1 - resno;
 192                                 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 193                                 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 194                                 int cbgwidthexpn, cbgheightexpn;
 195                                 int cblkwidthexpn, cblkheightexpn;
 196
 197                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 198
 199                                 /* border for each resolution level (global) */
 200                                 res->x0 = int_ceildivpow2(tilec->x0, levelno);
 201                                 res->y0 = int_ceildivpow2(tilec->y0, levelno);
 202                                 res->x1 = int_ceildivpow2(tilec->x1, levelno);
 203                                 res->y1 = int_ceildivpow2(tilec->y1, levelno);
 204
 205                                 res->numbands = resno == 0 ? 1 : 3;
 206                                 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 207                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 208                                         pdx = tccp->prcw[resno];
 209                                         pdy = tccp->prch[resno];
 210                                 } else {
 211                                         pdx = 15;
 212                                         pdy = 15;
 213                                 }
 214                                 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 215                                 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 216                                 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 217
 218                                 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 219                                 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 220
 221                                 res->pw = (brprcxend - tlprcxstart) >> pdx;
 222                                 res->ph = (brprcyend - tlprcystart) >> pdy;
 223
 224                                 if (resno == 0) {
 225                                         tlcbgxstart = tlprcxstart;
 226                                         tlcbgystart = tlprcystart;
 227                                         brcbgxend = brprcxend;
 228                                         brcbgyend = brprcyend;
 229                                         cbgwidthexpn = pdx;
 230                                         cbgheightexpn = pdy;
 231                                 } else {
 232                                         tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 233                                         tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 234                                         brcbgxend = int_ceildivpow2(brprcxend, 1);
 235                                         brcbgyend = int_ceildivpow2(brprcyend, 1);
 236                                         cbgwidthexpn = pdx - 1;
 237                                         cbgheightexpn = pdy - 1;
 238                                 }
 239
 240                                 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 241                                 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 242
 243                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 244                                         int x0b, y0b, i;
 245                                         int gain, numbps;
 246                                         opj_stepsize_t *ss = NULL;
 247
 248                                         opj_tcd_band_t *band = &res->bands[bandno];
 249
 250                                         band->bandno = resno == 0 ? 0 : bandno + 1;
 251                                         x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 252                                         y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 253
 254                                         if (band->bandno == 0) {
 255                                                 /* band border (global) */
 256                                                 band->x0 = int_ceildivpow2(tilec->x0, levelno);
 257                                                 band->y0 = int_ceildivpow2(tilec->y0, levelno);
 258                                                 band->x1 = int_ceildivpow2(tilec->x1, levelno);
 259                                                 band->y1 = int_ceildivpow2(tilec->y1, levelno);
 260                                         } else {
 261                                                 /* band border (global) */
 262                                                 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 263                                                 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 264                                                 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 265                                                 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 266                                         }
 267
 268                                         ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 269                                         gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 270                                         numbps = image->comps[compno].prec + gain;
 271
 272                                         band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
 273                                         band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 274
 275                                         band->precincts = (opj_tcd_precinct_t *) opj_malloc(3 * res->pw * res->ph * sizeof(opj_tcd_precinct_t));
 276
 277                                         for (i = 0; i < res->pw * res->ph * 3; i++) {
 278                                                 band->precincts[i].imsbtree = NULL;
 279                                                 band->precincts[i].incltree = NULL;
 280                                         }
 281
 282                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 283                                                 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 284
 285                                                 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 286                                                 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 287                                                 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 288                                                 int cbgyend = cbgystart + (1 << cbgheightexpn);
 289
 290                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
 291
 292                                                 /* precinct size (global) */
 293                                                 prc->x0 = int_max(cbgxstart, band->x0);
 294                                                 prc->y0 = int_max(cbgystart, band->y0);
 295                                                 prc->x1 = int_min(cbgxend, band->x1);
 296                                                 prc->y1 = int_min(cbgyend, band->y1);
 297
 298                                                 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 299                                                 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 300                                                 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 301                                                 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 302                                                 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 303                                                 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 304
 305                                                 prc->cblks = (opj_tcd_cblk_t *) opj_malloc((prc->cw * prc->ch) * sizeof(opj_tcd_cblk_t));
 306                                                 prc->incltree = tgt_create(prc->cw, prc->ch);
 307                                                 prc->imsbtree = tgt_create(prc->cw, prc->ch);
 308
 309                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 310                                                         int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 311                                                         int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 312                                                         int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 313                                                         int cblkyend = cblkystart + (1 << cblkheightexpn);
 314
 315                                                         opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
 316
 317                                                         /* code-block size (global) */
 318                                                         cblk->x0 = int_max(cblkxstart, prc->x0);
 319                                                         cblk->y0 = int_max(cblkystart, prc->y0);
 320                                                         cblk->x1 = int_min(cblkxend, prc->x1);
 321                                                         cblk->y1 = int_min(cblkyend, prc->y1);
 322                                                 }
 323                                         }
 324                                 }
 325                         }
 326                 }
 327         }
 328
 329         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 330 }
 331
 332 void tcd_free_encode(opj_tcd_t *tcd) {
 333         int tileno, compno, resno, bandno, precno;
 334
 335         for (tileno = 0; tileno < 1; tileno++) {
 336                 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
 337
 338                 for (compno = 0; compno < tile->numcomps; compno++) {
 339                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 340
 341                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 342                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 343
 344                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 345                                         opj_tcd_band_t *band = &res->bands[bandno];
 346
 347                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 348                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
 349
 350                                                 if (prc->incltree != NULL) {
 351                                                         tgt_destroy(prc->incltree);
 352                                                         prc->incltree = NULL;
 353                                                 }
 354                                                 if (prc->imsbtree != NULL) {
 355                                                         tgt_destroy(prc->imsbtree);
 356                                                         prc->imsbtree = NULL;
 357                                                 }
 358                                                 opj_free(prc->cblks);
 359                                                 prc->cblks = NULL;
 360                                         } /* for (precno */
 361                                         opj_free(band->precincts);
 362                                         band->precincts = NULL;
 363                                 } /* for (bandno */
 364                         } /* for (resno */
 365                         opj_free(tilec->resolutions);
 366                         tilec->resolutions = NULL;
 367                 } /* for (compno */
 368                 opj_free(tile->comps);
 369                 tile->comps = NULL;
 370         } /* for (tileno */
 371         opj_free(tcd->tcd_image->tiles);
 372         tcd->tcd_image->tiles = NULL;
 373 }
 374
 375 void tcd_init_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno) {
 376         int tileno, compno, resno, bandno, precno, cblkno;
 377
 378         for (tileno = 0; tileno < 1; tileno++) {
 379                 opj_tcp_t *tcp = &cp->tcps[curtileno];
 380                 int j;
 381                 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 382                 int p = curtileno % cp->tw;
 383                 int q = curtileno / cp->tw;
 384
 385                 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
 386
 387                 /* 4 borders of the tile rescale on the image if necessary */
 388                 tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 389                 tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 390                 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 391                 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 392
 393                 tile->numcomps = image->numcomps;
 394                 /* tile->PPT=image->PPT; */
 395
 396                 /* Modification of the RATE >> */
 397                 for (j = 0; j < tcp->numlayers; j++) {
 398                         tcp->rates[j] = tcp->rates[j] ?
 399                                                 ((float) (tile->numcomps
 400                                                                 * (tile->x1 - tile->x0)
 401                                                                 * (tile->y1 - tile->y0)
 402                                                                 * image->comps[0].prec))/
 403                                                 (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)
 404                                                 : 0;
 405
 406                         if (tcp->rates[j]) {
 407                                 if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
 408                                         tcp->rates[j] = tcp->rates[j - 1] + 20;
 409                                 } else {
 410                                         if (!j && tcp->rates[j] < 30)
 411                                                 tcp->rates[j] = 30;
 412                                 }
 413                         }
 414                 }
 415                 /* << Modification of the RATE */
 416
 417                 /* tile->comps=(opj_tcd_tilecomp_t*)opj_realloc(tile->comps,image->numcomps*sizeof(opj_tcd_tilecomp_t)); */
 418                 for (compno = 0; compno < tile->numcomps; compno++) {
 419                         opj_tccp_t *tccp = &tcp->tccps[compno];
 420
 421                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 422
 423                         /* border of each tile component (global) */
 424                         tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 425                         tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 426                         tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 427                         tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 428
 429                         tilec->data = (int *) opj_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
 430                         tilec->numresolutions = tccp->numresolutions;
 431                         /* tilec->resolutions=(opj_tcd_resolution_t*)opj_realloc(tilec->resolutions,tilec->numresolutions*sizeof(opj_tcd_resolution_t)); */
 432                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 433                                 int pdx, pdy;
 434
 435                                 int levelno = tilec->numresolutions - 1 - resno;
 436                                 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 437                                 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 438                                 int cbgwidthexpn, cbgheightexpn;
 439                                 int cblkwidthexpn, cblkheightexpn;
 440
 441                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 442
 443                                 /* border for each resolution level (global) */
 444                                 res->x0 = int_ceildivpow2(tilec->x0, levelno);
 445                                 res->y0 = int_ceildivpow2(tilec->y0, levelno);
 446                                 res->x1 = int_ceildivpow2(tilec->x1, levelno);
 447                                 res->y1 = int_ceildivpow2(tilec->y1, levelno);
 448                                 res->numbands = resno == 0 ? 1 : 3;
 449
 450                                 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 451                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 452                                         pdx = tccp->prcw[resno];
 453                                         pdy = tccp->prch[resno];
 454                                 } else {
 455                                         pdx = 15;
 456                                         pdy = 15;
 457                                 }
 458                                 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 459                                 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 460                                 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 461                                 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 462                                 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 463
 464                                 res->pw = (brprcxend - tlprcxstart) >> pdx;
 465                                 res->ph = (brprcyend - tlprcystart) >> pdy;
 466
 467                                 if (resno == 0) {
 468                                         tlcbgxstart = tlprcxstart;
 469                                         tlcbgystart = tlprcystart;
 470                                         brcbgxend = brprcxend;
 471                                         brcbgyend = brprcyend;
 472                                         cbgwidthexpn = pdx;
 473                                         cbgheightexpn = pdy;
 474                                 } else {
 475                                         tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 476                                         tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 477                                         brcbgxend = int_ceildivpow2(brprcxend, 1);
 478                                         brcbgyend = int_ceildivpow2(brprcyend, 1);
 479                                         cbgwidthexpn = pdx - 1;
 480                                         cbgheightexpn = pdy - 1;
 481                                 }
 482
 483                                 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 484                                 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 485
 486                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 487                                         int x0b, y0b;
 488                                         int gain, numbps;
 489                                         opj_stepsize_t *ss = NULL;
 490
 491                                         opj_tcd_band_t *band = &res->bands[bandno];
 492
 493                                         band->bandno = resno == 0 ? 0 : bandno + 1;
 494                                         x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 495                                         y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 496
 497                                         if (band->bandno == 0) {
 498                                                 /* band border */
 499                                                 band->x0 = int_ceildivpow2(tilec->x0, levelno);
 500                                                 band->y0 = int_ceildivpow2(tilec->y0, levelno);
 501                                                 band->x1 = int_ceildivpow2(tilec->x1, levelno);
 502                                                 band->y1 = int_ceildivpow2(tilec->y1, levelno);
 503                                         } else {
 504                                                 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 505                                                 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 506                                                 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 507                                                 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 508                                         }
 509
 510                                         ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 511                                         gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 512                                         numbps = image->comps[compno].prec + gain;
 513                                         band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
 514                                         band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 515
 516                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 517                                                 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 518
 519                                                 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 520                                                 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 521                                                 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 522                                                 int cbgyend = cbgystart + (1 << cbgheightexpn);
 523
 524                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
 525
 526                                                 /* precinct size (global) */
 527                                                 prc->x0 = int_max(cbgxstart, band->x0);
 528                                                 prc->y0 = int_max(cbgystart, band->y0);
 529                                                 prc->x1 = int_min(cbgxend, band->x1);
 530                                                 prc->y1 = int_min(cbgyend, band->y1);
 531
 532                                                 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 533                                                 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 534                                                 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 535                                                 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 536                                                 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 537                                                 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 538
 539                                                 opj_free(prc->cblks);
 540                                                 prc->cblks = (opj_tcd_cblk_t *) opj_malloc(prc->cw * prc->ch * sizeof(opj_tcd_cblk_t));
 541
 542                                                 if (prc->incltree != NULL) {
 543                                                         tgt_destroy(prc->incltree);
 544                                                 }
 545                                                 if (prc->imsbtree != NULL) {
 546                                                         tgt_destroy(prc->imsbtree);
 547                                                 }
 548
 549                                                 prc->incltree = tgt_create(prc->cw, prc->ch);
 550                                                 prc->imsbtree = tgt_create(prc->cw, prc->ch);
 551
 552                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 553                                                         int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 554                                                         int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 555                                                         int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 556                                                         int cblkyend = cblkystart + (1 << cblkheightexpn);
 557
 558                                                         opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
 559
 560                                                         /* code-block size (global) */
 561                                                         cblk->x0 = int_max(cblkxstart, prc->x0);
 562                                                         cblk->y0 = int_max(cblkystart, prc->y0);
 563                                                         cblk->x1 = int_min(cblkxend, prc->x1);
 564                                                         cblk->y1 = int_min(cblkyend, prc->y1);
 565                                                 }
 566                                         } /* precno */
 567                                 } /* bandno */
 568                         } /* resno */
 569                 } /* compno */
 570         } /* tileno */
 571
 572         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 573 }
 574
 575 void tcd_malloc_decode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp) {
 576         int tileno, compno, resno, bandno, precno, cblkno, i, j, p, q;
 577         unsigned int x0 = 0, y0 = 0, x1 = 0, y1 = 0, w, h;
 578
 579         tcd->image = image;
 580         tcd->cp = cp;
 581         tcd->tcd_image->tw = cp->tw;
 582         tcd->tcd_image->th = cp->th;
 583         tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tcd_tile_t));
 584
 585         for (i = 0; i < cp->tileno_size; i++) {
 586                 opj_tcp_t *tcp = &(cp->tcps[cp->tileno[i]]);
 587                 opj_tcd_tile_t *tile = &(tcd->tcd_image->tiles[cp->tileno[i]]);
 588
 589                 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 590                 tileno = cp->tileno[i];
 591                 p = tileno % cp->tw;    /* si numerotation matricielle .. */
 592                 q = tileno / cp->tw;    /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
 593
 594                 /* 4 borders of the tile rescale on the image if necessary */
 595                 tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 596                 tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 597                 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 598                 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 599
 600                 tile->numcomps = image->numcomps;
 601                 tile->comps = (opj_tcd_tilecomp_t *) opj_malloc(image->numcomps * sizeof(opj_tcd_tilecomp_t));
 602                 for (compno = 0; compno < tile->numcomps; compno++) {
 603                         opj_tccp_t *tccp = &tcp->tccps[compno];
 604                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 605
 606                         /* border of each tile component (global) */
 607                         tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 608                         tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 609                         tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 610                         tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 611
 612                         tilec->data = (int *) opj_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
 613                         tilec->numresolutions = tccp->numresolutions;
 614                         tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));
 615
 616                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 617                                 int pdx, pdy;
 618                                 int levelno = tilec->numresolutions - 1 - resno;
 619                                 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 620                                 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 621                                 int cbgwidthexpn, cbgheightexpn;
 622                                 int cblkwidthexpn, cblkheightexpn;
 623
 624                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 625
 626                                 /* border for each resolution level (global) */
 627                                 res->x0 = int_ceildivpow2(tilec->x0, levelno);
 628                                 res->y0 = int_ceildivpow2(tilec->y0, levelno);
 629                                 res->x1 = int_ceildivpow2(tilec->x1, levelno);
 630                                 res->y1 = int_ceildivpow2(tilec->y1, levelno);
 631                                 res->numbands = resno == 0 ? 1 : 3;
 632
 633                                 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 634                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 635                                         pdx = tccp->prcw[resno];
 636                                         pdy = tccp->prch[resno];
 637                                 } else {
 638                                         pdx = 15;
 639                                         pdy = 15;
 640                                 }
 641
 642                                 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 643                                 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 644                                 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 645                                 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 646                                 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 647
 648                                 res->pw = (res->x0 == res->x1) ? 0 : ((brprcxend - tlprcxstart) >> pdx);
 649                                 res->ph = (res->y0 == res->y1) ? 0 : ((brprcyend - tlprcystart) >> pdy);
 650
 651                                 if (resno == 0) {
 652                                         tlcbgxstart = tlprcxstart;
 653                                         tlcbgystart = tlprcystart;
 654                                         brcbgxend = brprcxend;
 655                                         brcbgyend = brprcyend;
 656                                         cbgwidthexpn = pdx;
 657                                         cbgheightexpn = pdy;
 658                                 } else {
 659                                         tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 660                                         tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 661                                         brcbgxend = int_ceildivpow2(brprcxend, 1);
 662                                         brcbgyend = int_ceildivpow2(brprcyend, 1);
 663                                         cbgwidthexpn = pdx - 1;
 664                                         cbgheightexpn = pdy - 1;
 665                                 }
 666
 667                                 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 668                                 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 669
 670                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 671                                         int x0b, y0b;
 672                                         int gain, numbps;
 673                                         opj_stepsize_t *ss = NULL;
 674
 675                                         opj_tcd_band_t *band = &res->bands[bandno];
 676                                         band->bandno = resno == 0 ? 0 : bandno + 1;
 677                                         x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 678                                         y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 679
 680                                         if (band->bandno == 0) {
 681                                                 /* band border (global) */
 682                                                 band->x0 = int_ceildivpow2(tilec->x0, levelno);
 683                                                 band->y0 = int_ceildivpow2(tilec->y0, levelno);
 684                                                 band->x1 = int_ceildivpow2(tilec->x1, levelno);
 685                                                 band->y1 = int_ceildivpow2(tilec->y1, levelno);
 686                                         } else {
 687                                                 /* band border (global) */
 688                                                 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 689                                                 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 690                                                 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 691                                                 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 692                                         }
 693
 694                                         ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 695                                         gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 696                                         numbps = image->comps[compno].prec + gain;
 697                                         band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
 698                                         band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 699
 700                                         band->precincts = (opj_tcd_precinct_t *) opj_malloc(res->pw * res->ph * sizeof(opj_tcd_precinct_t));
 701
 702                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 703                                                 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 704                                                 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 705                                                 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 706                                                 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 707                                                 int cbgyend = cbgystart + (1 << cbgheightexpn);
 708
 709                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
 710                                                 /* precinct size (global) */
 711                                                 prc->x0 = int_max(cbgxstart, band->x0);
 712                                                 prc->y0 = int_max(cbgystart, band->y0);
 713                                                 prc->x1 = int_min(cbgxend, band->x1);
 714                                                 prc->y1 = int_min(cbgyend, band->y1);
 715
 716                                                 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 717                                                 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 718                                                 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 719                                                 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 720                                                 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 721                                                 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 722
 723                                                 prc->cblks = (opj_tcd_cblk_t *) opj_malloc(prc->cw * prc->ch * sizeof(opj_tcd_cblk_t));
 724
 725                                                 prc->incltree = tgt_create(prc->cw, prc->ch);
 726                                                 prc->imsbtree = tgt_create(prc->cw, prc->ch);
 727
 728                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 729                                                         int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 730                                                         int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 731                                                         int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 732                                                         int cblkyend = cblkystart + (1 << cblkheightexpn);
 733
 734                                                         /* code-block size (global) */
 735                                                         opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
 736                                                         cblk->x0 = int_max(cblkxstart, prc->x0);
 737                                                         cblk->y0 = int_max(cblkystart, prc->y0);
 738                                                         cblk->x1 = int_min(cblkxend, prc->x1);
 739                                                         cblk->y1 = int_min(cblkyend, prc->y1);
 740                                                 }
 741                                         } /* precno */
 742                                 } /* bandno */
 743                         } /* resno */
 744                 } /* compno */
 745         } /* i = 0..cp->tileno_size */
 746
 747         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 748
 749         /*
 750         Allocate place to store the decoded data = final image
 751         Place limited by the tile really present in the codestream
 752         */
 753
 754         for (i = 0; i < image->numcomps; i++) {
 755                 for (j = 0; j < cp->tileno_size; j++) {
 756                         tileno = cp->tileno[j];
 757                         x0 = j == 0 ? tcd->tcd_image->tiles[tileno].comps[i].x0 : int_min(x0,
 758                                 (unsigned int) tcd->tcd_image->tiles[tileno].comps[i].x0);
 759                         y0 = j == 0 ? tcd->tcd_image->tiles[tileno].comps[i].y0 : int_min(y0,
 760                                 (unsigned int) tcd->tcd_image->tiles[tileno].comps[i].y0);
 761                         x1 = j == 0 ? tcd->tcd_image->tiles[tileno].comps[i].x1 : int_max(x1,
 762                                 (unsigned int) tcd->tcd_image->tiles[tileno].comps[i].x1);
 763                         y1 = j == 0 ? tcd->tcd_image->tiles[tileno].comps[i].y1 : int_max(y1,
 764                                 (unsigned int) tcd->tcd_image->tiles[tileno].comps[i].y1);
 765                 }
 766
 767                 w = x1 - x0;
 768                 h = y1 - y0;
 769
 770                 image->comps[i].data = (int *) opj_malloc(w * h * sizeof(int));
 771                 image->comps[i].w = w;
 772                 image->comps[i].h = h;
 773                 image->comps[i].x0 = x0;
 774                 image->comps[i].y0 = y0;
 775         }
 776 }
 777
 778 void tcd_makelayer_fixed(opj_tcd_t *tcd, int layno, int final) {
 779         int compno, resno, bandno, precno, cblkno;
 780         int value;                      /*, matrice[tcd_tcp->numlayers][tcd_tile->comps[0].numresolutions][3]; */
 781         int matrice[10][10][3];
 782         int i, j, k;
 783
 784         opj_cp_t *cp = tcd->cp;
 785         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
 786         opj_tcp_t *tcd_tcp = tcd->tcp;
 787
 788         /*matrice=(int*)opj_malloc(tcd_tcp->numlayers*tcd_tile->comps[0].numresolutions*3*sizeof(int)); */
 789
 790         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 791                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
 792                 for (i = 0; i < tcd_tcp->numlayers; i++) {
 793                         for (j = 0; j < tilec->numresolutions; j++) {
 794                                 for (k = 0; k < 3; k++) {
 795                                         matrice[i][j][k] =
 796                                                 (int) (cp->matrice[i * tilec->numresolutions * 3 + j * 3 + k]
 797                                                 * (float) (tcd->image->comps[compno].prec / 16.0));
 798                                 }
 799                         }
 800                 }
 801
 802                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 803                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 804                         for (bandno = 0; bandno < res->numbands; bandno++) {
 805                                 opj_tcd_band_t *band = &res->bands[bandno];
 806                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 807                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 808                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 809                                                 opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
 810                                                 opj_tcd_layer_t *layer = &cblk->layers[layno];
 811                                                 int n;
 812                                                 int imsb = tcd->image->comps[compno].prec - cblk->numbps;       /* number of bit-plan equal to zero */
 813                                                 /* Correction of the matrix of coefficient to include the IMSB information */
 814                                                 if (layno == 0) {
 815                                                         value = matrice[layno][resno][bandno];
 816                                                         if (imsb >= value) {
 817                                                                 value = 0;
 818                                                         } else {
 819                                                                 value -= imsb;
 820                                                         }
 821                                                 } else {
 822                                                         value = matrice[layno][resno][bandno] - matrice[layno - 1][resno][bandno];
 823                                                         if (imsb >= matrice[layno - 1][resno][bandno]) {
 824                                                                 value -= (imsb - matrice[layno - 1][resno][bandno]);
 825                                                                 if (value < 0) {
 826                                                                         value = 0;
 827                                                                 }
 828                                                         }
 829                                                 }
 830
 831                                                 if (layno == 0) {
 832                                                         cblk->numpassesinlayers = 0;
 833                                                 }
 834
 835                                                 n = cblk->numpassesinlayers;
 836                                                 if (cblk->numpassesinlayers == 0) {
 837                                                         if (value != 0) {
 838                                                                 n = 3 * value - 2 + cblk->numpassesinlayers;
 839                                                         } else {
 840                                                                 n = cblk->numpassesinlayers;
 841                                                         }
 842                                                 } else {
 843                                                         n = 3 * value + cblk->numpassesinlayers;
 844                                                 }
 845
 846                                                 layer->numpasses = n - cblk->numpassesinlayers;
 847
 848                                                 if (!layer->numpasses)
 849                                                         continue;
 850
 851                                                 if (cblk->numpassesinlayers == 0) {
 852                                                         layer->len = cblk->passes[n - 1].rate;
 853                                                         layer->data = cblk->data;
 854                                                 } else {
 855                                                         layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
 856                                                         layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
 857                                                 }
 858                                                 if (final)
 859                                                         cblk->numpassesinlayers = n;
 860                                         }
 861                                 }
 862                         }
 863                 }
 864         }
 865 }
 866
 867 void tcd_rateallocate_fixed(opj_tcd_t *tcd) {
 868         int layno;
 869         for (layno = 0; layno < tcd->tcp->numlayers; layno++) {
 870                 tcd_makelayer_fixed(tcd, layno, 1);
 871         }
 872 }
 873
 874 void tcd_makelayer(opj_tcd_t *tcd, int layno, double thresh, int final) {
 875         int compno, resno, bandno, precno, cblkno, passno;
 876
 877         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
 878
 879         tcd_tile->distolayer[layno] = 0;        /* fixed_quality */
 880
 881         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 882                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
 883                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 884                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 885                         for (bandno = 0; bandno < res->numbands; bandno++) {
 886                                 opj_tcd_band_t *band = &res->bands[bandno];
 887                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 888                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 889                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 890                                                 opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
 891                                                 opj_tcd_layer_t *layer = &cblk->layers[layno];
 892
 893                                                 int n;
 894                                                 if (layno == 0) {
 895                                                         cblk->numpassesinlayers = 0;
 896                                                 }
 897                                                 n = cblk->numpassesinlayers;
 898                                                 for (passno = cblk->numpassesinlayers; passno < cblk->totalpasses; passno++) {
 899                                                         int dr;
 900                                                         double dd;
 901                                                         opj_tcd_pass_t *pass = &cblk->passes[passno];
 902                                                         if (n == 0) {
 903                                                                 dr = pass->rate;
 904                                                                 dd = pass->distortiondec;
 905                                                         } else {
 906                                                                 dr = pass->rate - cblk->passes[n - 1].rate;
 907                                                                 dd = pass->distortiondec - cblk->passes[n - 1].distortiondec;
 908                                                         }
 909                                                         if (!dr) {
 910                                                                 if (dd != 0)
 911                                                                         n = passno + 1;
 912                                                                 continue;
 913                                                         }
 914                                                         if (dd / dr >= thresh)
 915                                                                 n = passno + 1;
 916                                                 }
 917                                                 layer->numpasses = n - cblk->numpassesinlayers;
 918
 919                                                 if (!layer->numpasses) {
 920                                                         layer->disto = 0;
 921                                                         continue;
 922                                                 }
 923                                                 if (cblk->numpassesinlayers == 0) {
 924                                                         layer->len = cblk->passes[n - 1].rate;
 925                                                         layer->data = cblk->data;
 926                                                         layer->disto = cblk->passes[n - 1].distortiondec;
 927                                                 } else {
 928                                                         layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
 929                                                         layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
 930                                                         layer->disto = cblk->passes[n - 1].distortiondec - cblk->passes[cblk->numpassesinlayers - 1].distortiondec;
 931                                                 }
 932
 933                                                 tcd_tile->distolayer[layno] += layer->disto;    /* fixed_quality */
 934
 935                                                 if (final)
 936                                                         cblk->numpassesinlayers = n;
 937                                         }
 938                                 }
 939                         }
 940                 }
 941         }
 942 }
 943
 944 bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_image_info_t * image_info) {
 945         int compno, resno, bandno, precno, cblkno, passno, layno;
 946         double min, max;
 947         double cumdisto[100];   /* fixed_quality */
 948         const double K = 1;             /* 1.1; fixed_quality */
 949         double maxSE = 0;
 950
 951         opj_cp_t *cp = tcd->cp;
 952         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
 953         opj_tcp_t *tcd_tcp = tcd->tcp;
 954
 955         min = DBL_MAX;
 956         max = 0;
 957
 958         tcd_tile->nbpix = 0;            /* fixed_quality */
 959
 960         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 961                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
 962                 tilec->nbpix = 0;
 963
 964                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 965                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 966
 967                         for (bandno = 0; bandno < res->numbands; bandno++) {
 968                                 opj_tcd_band_t *band = &res->bands[bandno];
 969
 970                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 971                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 972
 973                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 974                                                 opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
 975
 976                                                 for (passno = 0; passno < cblk->totalpasses; passno++) {
 977                                                         opj_tcd_pass_t *pass = &cblk->passes[passno];
 978                                                         int dr;
 979                                                         double dd, rdslope;
 980                                                         if (passno == 0) {
 981                                                                 dr = pass->rate;
 982                                                                 dd = pass->distortiondec;
 983                                                         } else {
 984                                                                 dr = pass->rate - cblk->passes[passno - 1].rate;
 985                                                                 dd = pass->distortiondec - cblk->passes[passno - 1].distortiondec;
 986                                                         }
 987                                                         if (dr == 0) {
 988                                                                 continue;
 989                                                         }
 990                                                         rdslope = dd / dr;
 991                                                         if (rdslope < min) {
 992                                                                 min = rdslope;
 993                                                         }
 994                                                         if (rdslope > max) {
 995                                                                 max = rdslope;
 996                                                         }
 997                                                 } /* passno */
 998
 999                                                 /* fixed_quality */
1000                                                 tcd_tile->nbpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1001                                                 tilec->nbpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1002                                         } /* cbklno */
1003                                 } /* precno */
1004                         } /* bandno */
1005                 } /* resno */
1006
1007                 maxSE += (((double)(1 << tcd->image->comps[compno].prec) - 1.0)
1008                         * ((double)(1 << tcd->image->comps[compno].prec) -1.0))
1009                         * ((double)(tilec->nbpix));
1010         } /* compno */
1011
1012         /* index file */
1013         if(image_info && image_info->index_on) {
1014                 opj_tile_info_t *tile_info = &image_info->tile[tcd->tcd_tileno];
1015                 tile_info->nbpix = tcd_tile->nbpix;
1016                 tile_info->distotile = tcd_tile->distotile;
1017                 tile_info->thresh = (double *) opj_malloc(tcd_tcp->numlayers * sizeof(double));
1018         }
1019
1020         for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
1021                 double lo = min;
1022                 double hi = max;
1023                 int success = 0;
1024                 /* TODO: remove maxlen */
1025                 int maxlen = tcd_tcp->rates[layno] ? int_min(((int) ceil(tcd_tcp->rates[layno])), len) : len;
1026                 double goodthresh = 0;
1027                 double stable_thresh = 0;
1028                 int i;
1029                 double distotarget;             /* fixed_quality */
1030
1031                 /* fixed_quality */
1032                 distotarget = tcd_tile->distotile - ((K * maxSE) / pow((float)10, tcd_tcp->distoratio[layno] / 10));
1033
1034                 if ((tcd_tcp->rates[layno]) || (cp->disto_alloc == 0)) {
1035                         opj_t2_t *t2 = t2_create(tcd->cinfo, tcd->image, cp);
1036
1037                         for (i = 0; i < 32; i++) {
1038                                 double thresh = (lo + hi) / 2;
1039                                 int l = 0;
1040                                 double distoachieved = 0;       /* fixed_quality */
1041
1042                                 tcd_makelayer(tcd, layno, thresh, 0);
1043
1044                                 if (cp->fixed_quality) {        /* fixed_quality */
1045                                         if(cp->cinema){
1046                                                 l = t2_encode_packets(t2,tcd->tcd_tileno, tcd_tile, layno + 1, dest, maxlen, image_info,tcd->cur_tp_num,tcd->tp_pos,tcd->cur_pino,THRESH_CALC);
1047                                                 if (l == -999) {
1048                                                         lo = thresh;
1049                                                         continue;
1050                                                 }else{
1051                         distoachieved = layno == 0 ?
1052                                                         tcd_tile->distolayer[0] : cumdisto[layno - 1] + tcd_tile->distolayer[layno];
1053                                                         if (distoachieved < distotarget) {
1054                                                                 hi=thresh;
1055                                                                 stable_thresh = thresh;
1056                                                                 continue;
1057                                                         }else{
1058                                                                 lo=thresh;
1059                                                         }
1060                                                 }
1061                                         }else{
1062                                                 distoachieved = (layno == 0) ?
1063                                                         tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
1064                                                 if (distoachieved < distotarget) {
1065                                                         hi = thresh;
1066                                                         stable_thresh = thresh;
1067                                                         continue;
1068                                                 }
1069                                                 lo = thresh;
1070                                         }
1071                                 } else {
1072                                         l = t2_encode_packets(t2, tcd->tcd_tileno, tcd_tile, layno + 1, dest, maxlen, image_info,tcd->cur_tp_num,tcd->tp_pos,tcd->cur_pino,THRESH_CALC);
1073                                         /* TODO: what to do with l ??? seek / tell ??? */
1074                                         /* opj_event_msg(tcd->cinfo, EVT_INFO, "rate alloc: len=%d, max=%d\n", l, maxlen); */
1075                                         if (l == -999) {
1076                                                 lo = thresh;
1077                                                 continue;
1078                                         }
1079                                         hi = thresh;
1080                                         stable_thresh = thresh;
1081                                 }
1082                         }
1083                         success = 1;
1084                         goodthresh = stable_thresh;
1085                         t2_destroy(t2);
1086                 } else {
1087                         success = 1;
1088                         goodthresh = min;
1089                 }
1090
1091                 if (!success) {
1092                         return false;
1093                 }
1094
1095                 if(image_info && image_info->index_on) {        /* Threshold for Marcela Index */
1096                         image_info->tile[tcd->tcd_tileno].thresh[layno] = goodthresh;
1097                 }
1098                 tcd_makelayer(tcd, layno, goodthresh, 1);
1099
1100                 /* fixed_quality */
1101                 cumdisto[layno] = (layno == 0) ? tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
1102         }
1103
1104         return true;
1105 }
1106
1107 int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len, opj_image_info_t * image_info) {
1108         int compno;
1109         int l, i, npck = 0;
1110         opj_tcd_tile_t *tile = NULL;
1111         opj_tcp_t *tcd_tcp = NULL;
1112         opj_cp_t *cp = NULL;
1113
1114         opj_tcp_t *tcp = &tcd->cp->tcps[0];
1115         opj_tccp_t *tccp = &tcp->tccps[0];
1116         opj_image_t *image = tcd->image;
1117
1118         opj_t1_t *t1 = NULL;            /* T1 component */
1119         opj_t2_t *t2 = NULL;            /* T2 component */
1120
1121         tcd->tcd_tileno = tileno;
1122         tcd->tcd_tile = tcd->tcd_image->tiles;
1123         tcd->tcp = &tcd->cp->tcps[tileno];
1124
1125         tile = tcd->tcd_tile;
1126         tcd_tcp = tcd->tcp;
1127         cp = tcd->cp;
1128
1129         if(tcd->cur_tp_num == 0){
1130                 tcd->encoding_time = opj_clock();       /* time needed to encode a tile */
1131                 /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
1132                 if(image_info && image_info->index_on) {
1133                         opj_tcd_tilecomp_t *tilec_idx = &tile->comps[0];        /* based on component 0 */
1134                         for (i = 0; i < tilec_idx->numresolutions; i++) {
1135                                 opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];
1136
1137                                 image_info->tile[tileno].pw[i] = res_idx->pw;
1138                                 image_info->tile[tileno].ph[i] = res_idx->ph;
1139
1140                                 npck += res_idx->pw * res_idx->ph;
1141
1142                                 image_info->tile[tileno].pdx[i] = tccp->prcw[i];
1143                                 image_info->tile[tileno].pdy[i] = tccp->prch[i];
1144                         }
1145                         image_info->tile[tileno].packet = (opj_packet_info_t *) opj_malloc(image_info->comp * image_info->layer * npck * sizeof(opj_packet_info_t));
1146                 }
1147                 /* << INDEX */
1148
1149                 /*---------------TILE-------------------*/
1150
1151                 for (compno = 0; compno < tile->numcomps; compno++) {
1152                         int x, y;
1153
1154                         int adjust = image->comps[compno].sgnd ? 0 : 1 << (image->comps[compno].prec - 1);
1155                         int offset_x = int_ceildiv(image->x0, image->comps[compno].dx);
1156                         int offset_y = int_ceildiv(image->y0, image->comps[compno].dy);
1157
1158                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1159                         int tw = tilec->x1 - tilec->x0;
1160                         int w = int_ceildiv(image->x1 - image->x0, image->comps[compno].dx);
1161
1162                         /* extract tile data */
1163
1164                         if (tcd_tcp->tccps[compno].qmfbid == 1) {
1165                                 for (y = tilec->y0; y < tilec->y1; y++) {
1166                                         /* start of the src tile scanline */
1167                                         int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1168                                         /* start of the dst tile scanline */
1169                                         int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1170                                         for (x = tilec->x0; x < tilec->x1; x++) {
1171                                                 *tile_data++ = *data++ - adjust;
1172                                         }
1173                                 }
1174                         } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1175                                 for (y = tilec->y0; y < tilec->y1; y++) {
1176                                         /* start of the src tile scanline */
1177                                         int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1178                                         /* start of the dst tile scanline */
1179                                         int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1180                                         for (x = tilec->x0; x < tilec->x1; x++) {
1181                                                 *tile_data++ = (*data++ - adjust) << 11;
1182                                         }
1183
1184                                 }
1185                         }
1186                 }
1187
1188                 /*----------------MCT-------------------*/
1189                 if (tcd_tcp->mct) {
1190                         int samples = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
1191                         if (tcd_tcp->tccps[0].qmfbid == 0) {
1192                                 mct_encode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1193                         } else {
1194                                 mct_encode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1195                         }
1196                 }
1197
1198                 /*----------------DWT---------------------*/
1199
1200                 for (compno = 0; compno < tile->numcomps; compno++) {
1201                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1202                         if (tcd_tcp->tccps[compno].qmfbid == 1) {
1203                                 dwt_encode(tilec);
1204                         } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1205                                 dwt_encode_real(tilec);
1206                         }
1207                 }
1208
1209                 /*------------------TIER1-----------------*/
1210                 t1 = t1_create(tcd->cinfo);
1211                 t1_encode_cblks(t1, tile, tcd_tcp);
1212                 t1_destroy(t1);
1213
1214                 /*-----------RATE-ALLOCATE------------------*/
1215
1216                 /* INDEX */
1217                 if(image_info) {
1218                         image_info->index_write = 0;
1219                 }
1220                 if (cp->disto_alloc || cp->fixed_quality) {     /* fixed_quality */
1221                         /* Normal Rate/distortion allocation */
1222                         tcd_rateallocate(tcd, dest, len, image_info);
1223                 } else {
1224                         /* Fixed layer allocation */
1225                         tcd_rateallocate_fixed(tcd);
1226                 }
1227         }
1228         /*--------------TIER2------------------*/
1229
1230         /* INDEX */
1231         if(image_info) {
1232                 image_info->index_write = 1;
1233         }
1234
1235         t2 = t2_create(tcd->cinfo, image, cp);
1236         l = t2_encode_packets(t2,tileno, tile, tcd_tcp->numlayers, dest, len, image_info,tcd->tp_num,tcd->tp_pos,tcd->cur_pino,FINAL_PASS);
1237         t2_destroy(t2);
1238
1239         /*---------------CLEAN-------------------*/
1240
1241
1242         if(tcd->cur_tp_num == tcd->cur_totnum_tp - 1){
1243                 tcd->encoding_time = opj_clock() - tcd->encoding_time;
1244                 opj_event_msg(tcd->cinfo, EVT_INFO, "- tile encoded in %f s\n", tcd->encoding_time);
1245
1246                 /* cleaning memory */
1247                 for (compno = 0; compno < tile->numcomps; compno++) {
1248                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1249                         opj_free(tilec->data);
1250                 }
1251         }
1252
1253         return l;
1254 }
1255
1256 bool tcd_decode_tile(opj_tcd_t *tcd, unsigned char *src, int len, int tileno) {
1257         int l;
1258         int compno;
1259         int eof = 0;
1260         double tile_time, t1_time, dwt_time;
1261         opj_tcd_tile_t *tile = NULL;
1262
1263         opj_t1_t *t1 = NULL;            /* T1 component */
1264         opj_t2_t *t2 = NULL;            /* T2 component */
1265
1266         tcd->tcd_tileno = tileno;
1267         tcd->tcd_tile = &(tcd->tcd_image->tiles[tileno]);
1268         tcd->tcp = &(tcd->cp->tcps[tileno]);
1269         tile = tcd->tcd_tile;
1270
1271         tile_time = opj_clock();        /* time needed to decode a tile */
1272         opj_event_msg(tcd->cinfo, EVT_INFO, "tile %d of %d\n", tileno + 1, tcd->cp->tw * tcd->cp->th);
1273
1274         /*--------------TIER2------------------*/
1275
1276         t2 = t2_create(tcd->cinfo, tcd->image, tcd->cp);
1277         l = t2_decode_packets(t2, src, len, tileno, tile);
1278         t2_destroy(t2);
1279
1280         if (l == -999) {
1281                 eof = 1;
1282                 opj_event_msg(tcd->cinfo, EVT_ERROR, "tcd_decode: incomplete bistream\n");
1283         }
1284
1285         /*------------------TIER1-----------------*/
1286
1287         t1_time = opj_clock();  /* time needed to decode a tile */
1288         t1 = t1_create(tcd->cinfo);
1289         t1_decode_cblks(t1, tile, tcd->tcp);
1290         t1_destroy(t1);
1291         t1_time = opj_clock() - t1_time;
1292         opj_event_msg(tcd->cinfo, EVT_INFO, "- tiers-1 took %f s\n", t1_time);
1293
1294         /*----------------DWT---------------------*/
1295
1296         dwt_time = opj_clock(); /* time needed to decode a tile */
1297         for (compno = 0; compno < tile->numcomps; compno++) {
1298                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1299                 if (tcd->cp->reduce != 0) {
1300                         tcd->image->comps[compno].resno_decoded =
1301                                 tile->comps[compno].numresolutions - tcd->cp->reduce - 1;
1302                 }
1303
1304                 if (tcd->tcp->tccps[compno].qmfbid == 1) {
1305                         dwt_decode(tilec, tilec->numresolutions - 1 - tcd->image->comps[compno].resno_decoded);
1306                 } else {
1307                         dwt_decode_real(tilec, tilec->numresolutions - 1 - tcd->image->comps[compno].resno_decoded);
1308                 }
1309
1310                 if (tile->comps[compno].numresolutions > 0) {
1311                         tcd->image->comps[compno].factor = tile->comps[compno].numresolutions - (tcd->image->comps[compno].resno_decoded + 1);
1312                 }
1313         }
1314         dwt_time = opj_clock() - dwt_time;
1315         opj_event_msg(tcd->cinfo, EVT_INFO, "- dwt took %f s\n", dwt_time);
1316
1317         /*----------------MCT-------------------*/
1318
1319         if (tcd->tcp->mct) {
1320                 if (tcd->tcp->tccps[0].qmfbid == 1) {
1321                         mct_decode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data,
1322                                 (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0));
1323                 } else {
1324                         mct_decode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data,
1325                                 (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0));
1326                 }
1327         }
1328
1329         /*---------------TILE-------------------*/
1330
1331         for (compno = 0; compno < tile->numcomps; compno++) {
1332                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1333                 opj_tcd_resolution_t *res =     &tilec->resolutions[tcd->image->comps[compno].resno_decoded];
1334                 int adjust = tcd->image->comps[compno].sgnd ? 0 : 1 << (tcd->image->comps[compno].prec - 1);
1335                 int min = tcd->image->comps[compno].sgnd ?
1336                         -(1 << (tcd->image->comps[compno].prec - 1)) : 0;
1337                 int max = tcd->image->comps[compno].sgnd ?
1338                         (1 << (tcd->image->comps[compno].prec - 1)) - 1 : (1 << tcd->image->comps[compno].prec) - 1;
1339
1340                 int tw = tilec->x1 - tilec->x0;
1341                 int w = tcd->image->comps[compno].w;
1342
1343                 int i, j;
1344                 int offset_x = int_ceildivpow2(tcd->image->comps[compno].x0, tcd->image->comps[compno].factor);
1345                 int offset_y = int_ceildivpow2(tcd->image->comps[compno].y0, tcd->image->comps[compno].factor);
1346
1347                 for (j = res->y0; j < res->y1; j++) {
1348                         for (i = res->x0; i < res->x1; i++) {
1349                                 int v;
1350                                 float tmp = (float)((tilec->data[i - res->x0 + (j - res->y0) * tw]) / 8192.0);
1351
1352                                 if (tcd->tcp->tccps[compno].qmfbid == 1) {
1353                                         v = tilec->data[i - res->x0 + (j - res->y0) * tw];
1354                                 } else {
1355                                         int tmp2 = ((int) (floor(fabs(tmp)))) + ((int) floor(fabs(tmp*2))%2);
1356                                         v = ((tmp < 0) ? -tmp2:tmp2);
1357                                 }
1358                                 v += adjust;
1359
1360                                 tcd->image->comps[compno].data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
1361                         }
1362                 }
1363         }
1364
1365         tile_time = opj_clock() - tile_time;    /* time needed to decode a tile */
1366         opj_event_msg(tcd->cinfo, EVT_INFO, "- tile decoded in %f s\n", tile_time);
1367
1368         for (compno = 0; compno < tile->numcomps; compno++) {
1369                 opj_free(tcd->tcd_image->tiles[tileno].comps[compno].data);
1370                 tcd->tcd_image->tiles[tileno].comps[compno].data = NULL;
1371         }
1372
1373         if (eof) {
1374                 return false;
1375         }
1376
1377         return true;
1378 }
1379
1380 void tcd_free_decode(opj_tcd_t *tcd) {
1381         int tileno,compno,resno,bandno,precno;
1382
1383         opj_tcd_image_t *tcd_image = tcd->tcd_image;
1384
1385         for (tileno = 0; tileno < tcd_image->tw * tcd_image->th; tileno++) {
1386                 opj_tcd_tile_t *tile = &tcd_image->tiles[tileno];
1387                 for (compno = 0; compno < tile->numcomps; compno++) {
1388                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1389                         for (resno = 0; resno < tilec->numresolutions; resno++) {
1390                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1391                                 for (bandno = 0; bandno < res->numbands; bandno++) {
1392                                         opj_tcd_band_t *band = &res->bands[bandno];
1393                                         for (precno = 0; precno < res->ph * res->pw; precno++) {
1394                                                 opj_tcd_precinct_t *prec = &band->precincts[precno];
1395                                                 if (prec->cblks != NULL) opj_free(prec->cblks);
1396                                                 if (prec->imsbtree != NULL) tgt_destroy(prec->imsbtree);
1397                                                 if (prec->incltree != NULL) tgt_destroy(prec->incltree);
1398                                         }
1399                                         if (band->precincts != NULL) opj_free(band->precincts);
1400                                 }
1401                         }
1402                         if (tilec->resolutions != NULL) opj_free(tilec->resolutions);
1403                 }
1404                 if (tile->comps != NULL) opj_free(tile->comps);
1405         }
1406
1407         if (tcd_image->tiles != NULL) opj_free(tcd_image->tiles);
1408 }
1409