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                                 cp->tp_on ?
 155                                         (((float) (tile->numcomps
 156                                         * (tile->x1 - tile->x0)
 157                                         * (tile->y1 - tile->y0)
 158                                         * image->comps[0].prec))
 159                                         /(tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)) - (((tcd->cur_totnum_tp - 1) * 14 )/ tcp->numlayers)
 160                                         :
 161                                 ((float) (tile->numcomps
 162                                         * (tile->x1 - tile->x0)
 163                                         * (tile->y1 - tile->y0)
 164                                         * image->comps[0].prec))/
 165                                         (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)
 166                                         : 0;
 167
 168                         if (tcp->rates[j]) {
 169                                 if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
 170                                         tcp->rates[j] = tcp->rates[j - 1] + 20;
 171                                 } else {
 172                                         if (!j && tcp->rates[j] < 30)
 173                                                 tcp->rates[j] = 30;
 174                                 }
 175
 176                                 if(j == (tcp->numlayers-1)){
 177                                         tcp->rates[j] = tcp->rates[j]- 2;
 178                                 }
 179                         }
 180                 }
 181                 /* << Modification of the RATE */
 182
 183                 tile->comps = (opj_tcd_tilecomp_t *) opj_malloc(image->numcomps * sizeof(opj_tcd_tilecomp_t));
 184                 for (compno = 0; compno < tile->numcomps; compno++) {
 185                         opj_tccp_t *tccp = &tcp->tccps[compno];
 186
 187                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 188
 189                         /* border of each tile component (global) */
 190                         tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 191                         tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 192                         tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 193                         tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 194
 195                         tilec->data = (int *) opj_aligned_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
 196                         tilec->numresolutions = tccp->numresolutions;
 197
 198                         tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));
 199
 200                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 201                                 int pdx, pdy;
 202                                 int levelno = tilec->numresolutions - 1 - resno;
 203                                 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 204                                 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 205                                 int cbgwidthexpn, cbgheightexpn;
 206                                 int cblkwidthexpn, cblkheightexpn;
 207
 208                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 209
 210                                 /* border for each resolution level (global) */
 211                                 res->x0 = int_ceildivpow2(tilec->x0, levelno);
 212                                 res->y0 = int_ceildivpow2(tilec->y0, levelno);
 213                                 res->x1 = int_ceildivpow2(tilec->x1, levelno);
 214                                 res->y1 = int_ceildivpow2(tilec->y1, levelno);
 215
 216                                 res->numbands = resno == 0 ? 1 : 3;
 217                                 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 218                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 219                                         pdx = tccp->prcw[resno];
 220                                         pdy = tccp->prch[resno];
 221                                 } else {
 222                                         pdx = 15;
 223                                         pdy = 15;
 224                                 }
 225                                 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 226                                 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 227                                 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 228
 229                                 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 230                                 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 231
 232                                 res->pw = (brprcxend - tlprcxstart) >> pdx;
 233                                 res->ph = (brprcyend - tlprcystart) >> pdy;
 234
 235                                 if (resno == 0) {
 236                                         tlcbgxstart = tlprcxstart;
 237                                         tlcbgystart = tlprcystart;
 238                                         brcbgxend = brprcxend;
 239                                         brcbgyend = brprcyend;
 240                                         cbgwidthexpn = pdx;
 241                                         cbgheightexpn = pdy;
 242                                 } else {
 243                                         tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 244                                         tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 245                                         brcbgxend = int_ceildivpow2(brprcxend, 1);
 246                                         brcbgyend = int_ceildivpow2(brprcyend, 1);
 247                                         cbgwidthexpn = pdx - 1;
 248                                         cbgheightexpn = pdy - 1;
 249                                 }
 250
 251                                 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 252                                 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 253
 254                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 255                                         int x0b, y0b, i;
 256                                         int gain, numbps;
 257                                         opj_stepsize_t *ss = NULL;
 258
 259                                         opj_tcd_band_t *band = &res->bands[bandno];
 260
 261                                         band->bandno = resno == 0 ? 0 : bandno + 1;
 262                                         x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 263                                         y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 264
 265                                         if (band->bandno == 0) {
 266                                                 /* band border (global) */
 267                                                 band->x0 = int_ceildivpow2(tilec->x0, levelno);
 268                                                 band->y0 = int_ceildivpow2(tilec->y0, levelno);
 269                                                 band->x1 = int_ceildivpow2(tilec->x1, levelno);
 270                                                 band->y1 = int_ceildivpow2(tilec->y1, levelno);
 271                                         } else {
 272                                                 /* band border (global) */
 273                                                 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 274                                                 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 275                                                 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 276                                                 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 277                                         }
 278
 279                                         ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 280                                         gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 281                                         numbps = image->comps[compno].prec + gain;
 282
 283                                         band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
 284                                         band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 285
 286                                         band->precincts = (opj_tcd_precinct_t *) opj_malloc(3 * res->pw * res->ph * sizeof(opj_tcd_precinct_t));
 287
 288                                         for (i = 0; i < res->pw * res->ph * 3; i++) {
 289                                                 band->precincts[i].imsbtree = NULL;
 290                                                 band->precincts[i].incltree = NULL;
 291                                         }
 292
 293                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 294                                                 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 295
 296                                                 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 297                                                 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 298                                                 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 299                                                 int cbgyend = cbgystart + (1 << cbgheightexpn);
 300
 301                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
 302
 303                                                 /* precinct size (global) */
 304                                                 prc->x0 = int_max(cbgxstart, band->x0);
 305                                                 prc->y0 = int_max(cbgystart, band->y0);
 306                                                 prc->x1 = int_min(cbgxend, band->x1);
 307                                                 prc->y1 = int_min(cbgyend, band->y1);
 308
 309                                                 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 310                                                 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 311                                                 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 312                                                 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 313                                                 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 314                                                 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 315
 316                                                 prc->cblks = (opj_tcd_cblk_t *) opj_malloc((prc->cw * prc->ch) * sizeof(opj_tcd_cblk_t));
 317                                                 prc->incltree = tgt_create(prc->cw, prc->ch);
 318                                                 prc->imsbtree = tgt_create(prc->cw, prc->ch);
 319
 320                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 321                                                         int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 322                                                         int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 323                                                         int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 324                                                         int cblkyend = cblkystart + (1 << cblkheightexpn);
 325
 326                                                         opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
 327
 328                                                         /* code-block size (global) */
 329                                                         cblk->x0 = int_max(cblkxstart, prc->x0);
 330                                                         cblk->y0 = int_max(cblkystart, prc->y0);
 331                                                         cblk->x1 = int_min(cblkxend, prc->x1);
 332                                                         cblk->y1 = int_min(cblkyend, prc->y1);
 333                                                 }
 334                                         }
 335                                 }
 336                         }
 337                 }
 338         }
 339
 340         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 341 }
 342
 343 void tcd_free_encode(opj_tcd_t *tcd) {
 344         int tileno, compno, resno, bandno, precno;
 345
 346         for (tileno = 0; tileno < 1; tileno++) {
 347                 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
 348
 349                 for (compno = 0; compno < tile->numcomps; compno++) {
 350                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 351
 352                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 353                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 354
 355                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 356                                         opj_tcd_band_t *band = &res->bands[bandno];
 357
 358                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 359                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
 360
 361                                                 if (prc->incltree != NULL) {
 362                                                         tgt_destroy(prc->incltree);
 363                                                         prc->incltree = NULL;
 364                                                 }
 365                                                 if (prc->imsbtree != NULL) {
 366                                                         tgt_destroy(prc->imsbtree);
 367                                                         prc->imsbtree = NULL;
 368                                                 }
 369                                                 opj_free(prc->cblks);
 370                                                 prc->cblks = NULL;
 371                                         } /* for (precno */
 372                                         opj_free(band->precincts);
 373                                         band->precincts = NULL;
 374                                 } /* for (bandno */
 375                         } /* for (resno */
 376                         opj_free(tilec->resolutions);
 377                         tilec->resolutions = NULL;
 378                 } /* for (compno */
 379                 opj_free(tile->comps);
 380                 tile->comps = NULL;
 381         } /* for (tileno */
 382         opj_free(tcd->tcd_image->tiles);
 383         tcd->tcd_image->tiles = NULL;
 384 }
 385
 386 void tcd_init_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno) {
 387         int tileno, compno, resno, bandno, precno, cblkno;
 388
 389         for (tileno = 0; tileno < 1; tileno++) {
 390                 opj_tcp_t *tcp = &cp->tcps[curtileno];
 391                 int j;
 392                 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 393                 int p = curtileno % cp->tw;
 394                 int q = curtileno / cp->tw;
 395
 396                 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
 397
 398                 /* 4 borders of the tile rescale on the image if necessary */
 399                 tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 400                 tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 401                 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 402                 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 403
 404                 tile->numcomps = image->numcomps;
 405                 /* tile->PPT=image->PPT; */
 406
 407                 /* Modification of the RATE >> */
 408                 for (j = 0; j < tcp->numlayers; j++) {
 409                         tcp->rates[j] = tcp->rates[j] ?
 410                                                 ((float) (tile->numcomps
 411                                                                 * (tile->x1 - tile->x0)
 412                                                                 * (tile->y1 - tile->y0)
 413                                                                 * image->comps[0].prec))/
 414                                                 (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)
 415                                                 : 0;
 416
 417                         if (tcp->rates[j]) {
 418                                 if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
 419                                         tcp->rates[j] = tcp->rates[j - 1] + 20;
 420                                 } else {
 421                                         if (!j && tcp->rates[j] < 30)
 422                                                 tcp->rates[j] = 30;
 423                                 }
 424                         }
 425                 }
 426                 /* << Modification of the RATE */
 427
 428                 /* tile->comps=(opj_tcd_tilecomp_t*)opj_realloc(tile->comps,image->numcomps*sizeof(opj_tcd_tilecomp_t)); */
 429                 for (compno = 0; compno < tile->numcomps; compno++) {
 430                         opj_tccp_t *tccp = &tcp->tccps[compno];
 431
 432                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 433
 434                         /* border of each tile component (global) */
 435                         tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 436                         tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 437                         tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 438                         tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 439
 440                         tilec->data = (int *) opj_aligned_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
 441                         tilec->numresolutions = tccp->numresolutions;
 442                         /* tilec->resolutions=(opj_tcd_resolution_t*)opj_realloc(tilec->resolutions,tilec->numresolutions*sizeof(opj_tcd_resolution_t)); */
 443                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 444                                 int pdx, pdy;
 445
 446                                 int levelno = tilec->numresolutions - 1 - resno;
 447                                 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 448                                 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 449                                 int cbgwidthexpn, cbgheightexpn;
 450                                 int cblkwidthexpn, cblkheightexpn;
 451
 452                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 453
 454                                 /* border for each resolution level (global) */
 455                                 res->x0 = int_ceildivpow2(tilec->x0, levelno);
 456                                 res->y0 = int_ceildivpow2(tilec->y0, levelno);
 457                                 res->x1 = int_ceildivpow2(tilec->x1, levelno);
 458                                 res->y1 = int_ceildivpow2(tilec->y1, levelno);
 459                                 res->numbands = resno == 0 ? 1 : 3;
 460
 461                                 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 462                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 463                                         pdx = tccp->prcw[resno];
 464                                         pdy = tccp->prch[resno];
 465                                 } else {
 466                                         pdx = 15;
 467                                         pdy = 15;
 468                                 }
 469                                 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 470                                 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 471                                 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 472                                 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 473                                 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 474
 475                                 res->pw = (brprcxend - tlprcxstart) >> pdx;
 476                                 res->ph = (brprcyend - tlprcystart) >> pdy;
 477
 478                                 if (resno == 0) {
 479                                         tlcbgxstart = tlprcxstart;
 480                                         tlcbgystart = tlprcystart;
 481                                         brcbgxend = brprcxend;
 482                                         brcbgyend = brprcyend;
 483                                         cbgwidthexpn = pdx;
 484                                         cbgheightexpn = pdy;
 485                                 } else {
 486                                         tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 487                                         tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 488                                         brcbgxend = int_ceildivpow2(brprcxend, 1);
 489                                         brcbgyend = int_ceildivpow2(brprcyend, 1);
 490                                         cbgwidthexpn = pdx - 1;
 491                                         cbgheightexpn = pdy - 1;
 492                                 }
 493
 494                                 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 495                                 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 496
 497                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 498                                         int x0b, y0b;
 499                                         int gain, numbps;
 500                                         opj_stepsize_t *ss = NULL;
 501
 502                                         opj_tcd_band_t *band = &res->bands[bandno];
 503
 504                                         band->bandno = resno == 0 ? 0 : bandno + 1;
 505                                         x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 506                                         y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 507
 508                                         if (band->bandno == 0) {
 509                                                 /* band border */
 510                                                 band->x0 = int_ceildivpow2(tilec->x0, levelno);
 511                                                 band->y0 = int_ceildivpow2(tilec->y0, levelno);
 512                                                 band->x1 = int_ceildivpow2(tilec->x1, levelno);
 513                                                 band->y1 = int_ceildivpow2(tilec->y1, levelno);
 514                                         } else {
 515                                                 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 516                                                 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 517                                                 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 518                                                 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 519                                         }
 520
 521                                         ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 522                                         gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 523                                         numbps = image->comps[compno].prec + gain;
 524                                         band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
 525                                         band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 526
 527                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 528                                                 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 529
 530                                                 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 531                                                 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 532                                                 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 533                                                 int cbgyend = cbgystart + (1 << cbgheightexpn);
 534
 535                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
 536
 537                                                 /* precinct size (global) */
 538                                                 prc->x0 = int_max(cbgxstart, band->x0);
 539                                                 prc->y0 = int_max(cbgystart, band->y0);
 540                                                 prc->x1 = int_min(cbgxend, band->x1);
 541                                                 prc->y1 = int_min(cbgyend, band->y1);
 542
 543                                                 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 544                                                 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 545                                                 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 546                                                 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 547                                                 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 548                                                 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 549
 550                                                 opj_free(prc->cblks);
 551                                                 prc->cblks = (opj_tcd_cblk_t *) opj_malloc(prc->cw * prc->ch * sizeof(opj_tcd_cblk_t));
 552
 553                                                 if (prc->incltree != NULL) {
 554                                                         tgt_destroy(prc->incltree);
 555                                                 }
 556                                                 if (prc->imsbtree != NULL) {
 557                                                         tgt_destroy(prc->imsbtree);
 558                                                 }
 559
 560                                                 prc->incltree = tgt_create(prc->cw, prc->ch);
 561                                                 prc->imsbtree = tgt_create(prc->cw, prc->ch);
 562
 563                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 564                                                         int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 565                                                         int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 566                                                         int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 567                                                         int cblkyend = cblkystart + (1 << cblkheightexpn);
 568
 569                                                         opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
 570
 571                                                         /* code-block size (global) */
 572                                                         cblk->x0 = int_max(cblkxstart, prc->x0);
 573                                                         cblk->y0 = int_max(cblkystart, prc->y0);
 574                                                         cblk->x1 = int_min(cblkxend, prc->x1);
 575                                                         cblk->y1 = int_min(cblkyend, prc->y1);
 576                                                 }
 577                                         } /* precno */
 578                                 } /* bandno */
 579                         } /* resno */
 580                 } /* compno */
 581         } /* tileno */
 582
 583         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 584 }
 585
 586 void tcd_malloc_decode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp) {
 587         int i, j, tileno, p, q;
 588         unsigned int x0 = 0, y0 = 0, x1 = 0, y1 = 0, w, h;
 589
 590         tcd->image = image;
 591         tcd->tcd_image->tw = cp->tw;
 592         tcd->tcd_image->th = cp->th;
 593         tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tcd_tile_t));
 594
 595         /*
 596         Allocate place to store the decoded data = final image
 597         Place limited by the tile really present in the codestream
 598         */
 599
 600         for (j = 0; j < cp->tileno_size; j++) {
 601                 opj_tcd_tile_t *tile;
 602
 603                 tileno = cp->tileno[j];
 604                 tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
 605                 tile->numcomps = image->numcomps;
 606                 tile->comps = (opj_tcd_tilecomp_t *) opj_malloc(image->numcomps * sizeof(opj_tcd_tilecomp_t));
 607         }
 608
 609         for (i = 0; i < image->numcomps; i++) {
 610                 for (j = 0; j < cp->tileno_size; j++) {
 611                         opj_tcd_tile_t *tile;
 612                         opj_tcd_tilecomp_t *tilec;
 613
 614                         /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 615
 616                         tileno = cp->tileno[j];
 617
 618                         tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
 619                         tilec = &tile->comps[i];
 620
 621                         p = tileno % cp->tw;    /* si numerotation matricielle .. */
 622                         q = tileno / cp->tw;    /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
 623
 624                         /* 4 borders of the tile rescale on the image if necessary */
 625                         tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 626                         tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 627                         tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 628                         tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 629
 630                         tilec->x0 = int_ceildiv(tile->x0, image->comps[i].dx);
 631                         tilec->y0 = int_ceildiv(tile->y0, image->comps[i].dy);
 632                         tilec->x1 = int_ceildiv(tile->x1, image->comps[i].dx);
 633                         tilec->y1 = int_ceildiv(tile->y1, image->comps[i].dy);
 634
 635                         x0 = j == 0 ? tilec->x0 : int_min(x0, (unsigned int) tilec->x0);
 636                         y0 = j == 0 ? tilec->y0 : int_min(y0,   (unsigned int) tilec->x0);
 637                         x1 = j == 0 ? tilec->x1 : int_max(x1,   (unsigned int) tilec->x1);
 638                         y1 = j == 0 ? tilec->y1 : int_max(y1,   (unsigned int) tilec->y1);
 639                 }
 640
 641                 w = x1 - x0;
 642                 h = y1 - y0;
 643
 644                 image->comps[i].data = (int *) opj_malloc(w * h * sizeof(int));
 645                 image->comps[i].w = w;
 646                 image->comps[i].h = h;
 647                 image->comps[i].x0 = x0;
 648                 image->comps[i].y0 = y0;
 649         }
 650 }
 651
 652 void tcd_malloc_decode_tile(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int tileno, opj_codestream_info_t *cstr_info) {
 653         int compno, resno, bandno, precno, cblkno;
 654         unsigned int x0 = 0, y0 = 0, x1 = 0, y1 = 0;
 655         opj_tcp_t *tcp;
 656         opj_tcd_tile_t *tile;
 657
 658         tcd->cp = cp;
 659
 660         tcp = &(cp->tcps[cp->tileno[tileno]]);
 661         tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
 662
 663         tileno = cp->tileno[tileno];
 664
 665         for (compno = 0; compno < tile->numcomps; compno++) {
 666                 opj_tccp_t *tccp = &tcp->tccps[compno];
 667                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 668
 669                 /* border of each tile component (global) */
 670                 tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 671                 tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 672                 tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 673                 tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 674
 675                 tilec->data = (int*) opj_aligned_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
 676                 tilec->numresolutions = tccp->numresolutions;
 677                 tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));
 678
 679                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 680                         int pdx, pdy;
 681                         int levelno = tilec->numresolutions - 1 - resno;
 682                         int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 683                         int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 684                         int cbgwidthexpn, cbgheightexpn;
 685                         int cblkwidthexpn, cblkheightexpn;
 686
 687                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 688
 689                         /* border for each resolution level (global) */
 690                         res->x0 = int_ceildivpow2(tilec->x0, levelno);
 691                         res->y0 = int_ceildivpow2(tilec->y0, levelno);
 692                         res->x1 = int_ceildivpow2(tilec->x1, levelno);
 693                         res->y1 = int_ceildivpow2(tilec->y1, levelno);
 694                         res->numbands = resno == 0 ? 1 : 3;
 695
 696                         /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 697                         if (tccp->csty & J2K_CCP_CSTY_PRT) {
 698                                 pdx = tccp->prcw[resno];
 699                                 pdy = tccp->prch[resno];
 700                         } else {
 701                                 pdx = 15;
 702                                 pdy = 15;
 703                         }
 704
 705                         /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 706                         tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 707                         tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 708                         brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 709                         brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 710
 711                         res->pw = (res->x0 == res->x1) ? 0 : ((brprcxend - tlprcxstart) >> pdx);
 712                         res->ph = (res->y0 == res->y1) ? 0 : ((brprcyend - tlprcystart) >> pdy);
 713
 714                         if (resno == 0) {
 715                                 tlcbgxstart = tlprcxstart;
 716                                 tlcbgystart = tlprcystart;
 717                                 brcbgxend = brprcxend;
 718                                 brcbgyend = brprcyend;
 719                                 cbgwidthexpn = pdx;
 720                                 cbgheightexpn = pdy;
 721                         } else {
 722                                 tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 723                                 tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 724                                 brcbgxend = int_ceildivpow2(brprcxend, 1);
 725                                 brcbgyend = int_ceildivpow2(brprcyend, 1);
 726                                 cbgwidthexpn = pdx - 1;
 727                                 cbgheightexpn = pdy - 1;
 728                         }
 729
 730                         cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 731                         cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 732
 733                         for (bandno = 0; bandno < res->numbands; bandno++) {
 734                                 int x0b, y0b;
 735                                 int gain, numbps;
 736                                 opj_stepsize_t *ss = NULL;
 737
 738                                 opj_tcd_band_t *band = &res->bands[bandno];
 739                                 band->bandno = resno == 0 ? 0 : bandno + 1;
 740                                 x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 741                                 y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 742
 743                                 if (band->bandno == 0) {
 744                                         /* band border (global) */
 745                                         band->x0 = int_ceildivpow2(tilec->x0, levelno);
 746                                         band->y0 = int_ceildivpow2(tilec->y0, levelno);
 747                                         band->x1 = int_ceildivpow2(tilec->x1, levelno);
 748                                         band->y1 = int_ceildivpow2(tilec->y1, levelno);
 749                                 } else {
 750                                         /* band border (global) */
 751                                         band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 752                                         band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 753                                         band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 754                                         band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 755                                 }
 756
 757                                 ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 758                                 gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 759                                 numbps = image->comps[compno].prec + gain;
 760                                 band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
 761                                 band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 762
 763                                 band->precincts = (opj_tcd_precinct_t *) opj_malloc(res->pw * res->ph * sizeof(opj_tcd_precinct_t));
 764
 765                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 766                                         int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 767                                         int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 768                                         int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 769                                         int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 770                                         int cbgyend = cbgystart + (1 << cbgheightexpn);
 771
 772                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 773                                         /* precinct size (global) */
 774                                         prc->x0 = int_max(cbgxstart, band->x0);
 775                                         prc->y0 = int_max(cbgystart, band->y0);
 776                                         prc->x1 = int_min(cbgxend, band->x1);
 777                                         prc->y1 = int_min(cbgyend, band->y1);
 778
 779                                         tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 780                                         tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 781                                         brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 782                                         brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 783                                         prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 784                                         prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 785
 786                                         prc->cblks = (opj_tcd_cblk_t *) opj_malloc(prc->cw * prc->ch * sizeof(opj_tcd_cblk_t));
 787
 788                                         prc->incltree = tgt_create(prc->cw, prc->ch);
 789                                         prc->imsbtree = tgt_create(prc->cw, prc->ch);
 790
 791                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 792                                                 int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 793                                                 int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 794                                                 int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 795                                                 int cblkyend = cblkystart + (1 << cblkheightexpn);
 796
 797                                                 /* code-block size (global) */
 798                                                 opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
 799                                                 cblk->x0 = int_max(cblkxstart, prc->x0);
 800                                                 cblk->y0 = int_max(cblkystart, prc->y0);
 801                                                 cblk->x1 = int_min(cblkxend, prc->x1);
 802                                                 cblk->y1 = int_min(cblkyend, prc->y1);
 803                                         }
 804                                 } /* precno */
 805                         } /* bandno */
 806                 } /* resno */
 807         } /* compno */
 808         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 809 }
 810
 811 void tcd_makelayer_fixed(opj_tcd_t *tcd, int layno, int final) {
 812         int compno, resno, bandno, precno, cblkno;
 813         int value;                      /*, matrice[tcd_tcp->numlayers][tcd_tile->comps[0].numresolutions][3]; */
 814         int matrice[10][10][3];
 815         int i, j, k;
 816
 817         opj_cp_t *cp = tcd->cp;
 818         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
 819         opj_tcp_t *tcd_tcp = tcd->tcp;
 820
 821         /*matrice=(int*)opj_malloc(tcd_tcp->numlayers*tcd_tile->comps[0].numresolutions*3*sizeof(int)); */
 822
 823         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 824                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
 825                 for (i = 0; i < tcd_tcp->numlayers; i++) {
 826                         for (j = 0; j < tilec->numresolutions; j++) {
 827                                 for (k = 0; k < 3; k++) {
 828                                         matrice[i][j][k] =
 829                                                 (int) (cp->matrice[i * tilec->numresolutions * 3 + j * 3 + k]
 830                                                 * (float) (tcd->image->comps[compno].prec / 16.0));
 831                                 }
 832                         }
 833                 }
 834
 835                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 836                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 837                         for (bandno = 0; bandno < res->numbands; bandno++) {
 838                                 opj_tcd_band_t *band = &res->bands[bandno];
 839                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 840                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 841                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 842                                                 opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
 843                                                 opj_tcd_layer_t *layer = &cblk->layers[layno];
 844                                                 int n;
 845                                                 int imsb = tcd->image->comps[compno].prec - cblk->numbps;       /* number of bit-plan equal to zero */
 846                                                 /* Correction of the matrix of coefficient to include the IMSB information */
 847                                                 if (layno == 0) {
 848                                                         value = matrice[layno][resno][bandno];
 849                                                         if (imsb >= value) {
 850                                                                 value = 0;
 851                                                         } else {
 852                                                                 value -= imsb;
 853                                                         }
 854                                                 } else {
 855                                                         value = matrice[layno][resno][bandno] - matrice[layno - 1][resno][bandno];
 856                                                         if (imsb >= matrice[layno - 1][resno][bandno]) {
 857                                                                 value -= (imsb - matrice[layno - 1][resno][bandno]);
 858                                                                 if (value < 0) {
 859                                                                         value = 0;
 860                                                                 }
 861                                                         }
 862                                                 }
 863
 864                                                 if (layno == 0) {
 865                                                         cblk->numpassesinlayers = 0;
 866                                                 }
 867
 868                                                 n = cblk->numpassesinlayers;
 869                                                 if (cblk->numpassesinlayers == 0) {
 870                                                         if (value != 0) {
 871                                                                 n = 3 * value - 2 + cblk->numpassesinlayers;
 872                                                         } else {
 873                                                                 n = cblk->numpassesinlayers;
 874                                                         }
 875                                                 } else {
 876                                                         n = 3 * value + cblk->numpassesinlayers;
 877                                                 }
 878
 879                                                 layer->numpasses = n - cblk->numpassesinlayers;
 880
 881                                                 if (!layer->numpasses)
 882                                                         continue;
 883
 884                                                 if (cblk->numpassesinlayers == 0) {
 885                                                         layer->len = cblk->passes[n - 1].rate;
 886                                                         layer->data = cblk->data;
 887                                                 } else {
 888                                                         layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
 889                                                         layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
 890                                                 }
 891                                                 if (final)
 892                                                         cblk->numpassesinlayers = n;
 893                                         }
 894                                 }
 895                         }
 896                 }
 897         }
 898 }
 899
 900 void tcd_rateallocate_fixed(opj_tcd_t *tcd) {
 901         int layno;
 902         for (layno = 0; layno < tcd->tcp->numlayers; layno++) {
 903                 tcd_makelayer_fixed(tcd, layno, 1);
 904         }
 905 }
 906
 907 void tcd_makelayer(opj_tcd_t *tcd, int layno, double thresh, int final) {
 908         int compno, resno, bandno, precno, cblkno, passno;
 909
 910         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
 911
 912         tcd_tile->distolayer[layno] = 0;        /* fixed_quality */
 913
 914         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 915                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
 916                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 917                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 918                         for (bandno = 0; bandno < res->numbands; bandno++) {
 919                                 opj_tcd_band_t *band = &res->bands[bandno];
 920                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 921                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 922                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 923                                                 opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
 924                                                 opj_tcd_layer_t *layer = &cblk->layers[layno];
 925
 926                                                 int n;
 927                                                 if (layno == 0) {
 928                                                         cblk->numpassesinlayers = 0;
 929                                                 }
 930                                                 n = cblk->numpassesinlayers;
 931                                                 for (passno = cblk->numpassesinlayers; passno < cblk->totalpasses; passno++) {
 932                                                         int dr;
 933                                                         double dd;
 934                                                         opj_tcd_pass_t *pass = &cblk->passes[passno];
 935                                                         if (n == 0) {
 936                                                                 dr = pass->rate;
 937                                                                 dd = pass->distortiondec;
 938                                                         } else {
 939                                                                 dr = pass->rate - cblk->passes[n - 1].rate;
 940                                                                 dd = pass->distortiondec - cblk->passes[n - 1].distortiondec;
 941                                                         }
 942                                                         if (!dr) {
 943                                                                 if (dd != 0)
 944                                                                         n = passno + 1;
 945                                                                 continue;
 946                                                         }
 947                                                         if (dd / dr >= thresh)
 948                                                                 n = passno + 1;
 949                                                 }
 950                                                 layer->numpasses = n - cblk->numpassesinlayers;
 951
 952                                                 if (!layer->numpasses) {
 953                                                         layer->disto = 0;
 954                                                         continue;
 955                                                 }
 956                                                 if (cblk->numpassesinlayers == 0) {
 957                                                         layer->len = cblk->passes[n - 1].rate;
 958                                                         layer->data = cblk->data;
 959                                                         layer->disto = cblk->passes[n - 1].distortiondec;
 960                                                 } else {
 961                                                         layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
 962                                                         layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
 963                                                         layer->disto = cblk->passes[n - 1].distortiondec - cblk->passes[cblk->numpassesinlayers - 1].distortiondec;
 964                                                 }
 965
 966                                                 tcd_tile->distolayer[layno] += layer->disto;    /* fixed_quality */
 967
 968                                                 if (final)
 969                                                         cblk->numpassesinlayers = n;
 970                                         }
 971                                 }
 972                         }
 973                 }
 974         }
 975 }
 976
 977 bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_codestream_info_t *cstr_info) {
 978         int compno, resno, bandno, precno, cblkno, passno, layno;
 979         double min, max;
 980         double cumdisto[100];   /* fixed_quality */
 981         const double K = 1;             /* 1.1; fixed_quality */
 982         double maxSE = 0;
 983
 984         opj_cp_t *cp = tcd->cp;
 985         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
 986         opj_tcp_t *tcd_tcp = tcd->tcp;
 987
 988         min = DBL_MAX;
 989         max = 0;
 990
 991         tcd_tile->numpix = 0;           /* fixed_quality */
 992
 993         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 994                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
 995                 tilec->numpix = 0;
 996
 997                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 998                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 999
1000                         for (bandno = 0; bandno < res->numbands; bandno++) {
1001                                 opj_tcd_band_t *band = &res->bands[bandno];
1002
1003                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
1004                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
1005
1006                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
1007                                                 opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
1008
1009                                                 for (passno = 0; passno < cblk->totalpasses; passno++) {
1010                                                         opj_tcd_pass_t *pass = &cblk->passes[passno];
1011                                                         int dr;
1012                                                         double dd, rdslope;
1013                                                         if (passno == 0) {
1014                                                                 dr = pass->rate;
1015                                                                 dd = pass->distortiondec;
1016                                                         } else {
1017                                                                 dr = pass->rate - cblk->passes[passno - 1].rate;
1018                                                                 dd = pass->distortiondec - cblk->passes[passno - 1].distortiondec;
1019                                                         }
1020                                                         if (dr == 0) {
1021                                                                 continue;
1022                                                         }
1023                                                         rdslope = dd / dr;
1024                                                         if (rdslope < min) {
1025                                                                 min = rdslope;
1026                                                         }
1027                                                         if (rdslope > max) {
1028                                                                 max = rdslope;
1029                                                         }
1030                                                 } /* passno */
1031
1032                                                 /* fixed_quality */
1033                                                 tcd_tile->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1034                                                 tilec->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1035                                         } /* cbklno */
1036                                 } /* precno */
1037                         } /* bandno */
1038                 } /* resno */
1039
1040                 maxSE += (((double)(1 << tcd->image->comps[compno].prec) - 1.0)
1041                         * ((double)(1 << tcd->image->comps[compno].prec) -1.0))
1042                         * ((double)(tilec->numpix));
1043         } /* compno */
1044
1045         /* index file */
1046         if(cstr_info) {
1047                 opj_tile_info_t *tile_info = &cstr_info->tile[tcd->tcd_tileno];
1048                 tile_info->numpix = tcd_tile->numpix;
1049                 tile_info->distotile = tcd_tile->distotile;
1050                 tile_info->thresh = (double *) opj_malloc(tcd_tcp->numlayers * sizeof(double));
1051         }
1052
1053         for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
1054                 double lo = min;
1055                 double hi = max;
1056                 int success = 0;
1057                 int maxlen = tcd_tcp->rates[layno] ? int_min(((int) ceil(tcd_tcp->rates[layno])), len) : len;
1058                 double goodthresh = 0;
1059                 double stable_thresh = 0;
1060                 int i;
1061                 double distotarget;             /* fixed_quality */
1062
1063                 /* fixed_quality */
1064                 distotarget = tcd_tile->distotile - ((K * maxSE) / pow((float)10, tcd_tcp->distoratio[layno] / 10));
1065
1066                 /* Don't try to find an optimal threshold but rather take everything not included yet, if
1067                   -r xx,yy,zz,0   (disto_alloc == 1 and rates == 0)
1068                   -q xx,yy,zz,0   (fixed_quality == 1 and distoratio == 0)
1069                   ==> possible to have some lossy layers and the last layer for sure lossless */
1070                 if ( ((cp->disto_alloc==1) && (tcd_tcp->rates[layno]>0)) || ((cp->fixed_quality==1) && (tcd_tcp->distoratio[layno]>0))) {
1071                         opj_t2_t *t2 = t2_create(tcd->cinfo, tcd->image, cp);
1072
1073                         for (i = 0; i < 32; i++) {
1074                                 double thresh = (lo + hi) / 2;
1075                                 int l = 0;
1076                                 double distoachieved = 0;       /* fixed_quality */
1077
1078                                 tcd_makelayer(tcd, layno, thresh, 0);
1079
1080                                 if (cp->fixed_quality) {        /* fixed_quality */
1081                                         if(cp->cinema){
1082                                                 l = t2_encode_packets(t2,tcd->tcd_tileno, tcd_tile, layno + 1, dest, maxlen, cstr_info,tcd->cur_tp_num,tcd->tp_pos,tcd->cur_pino,THRESH_CALC);
1083                                                 if (l == -999) {
1084                                                         lo = thresh;
1085                                                         continue;
1086                                                 }else{
1087                         distoachieved = layno == 0 ?
1088                                                         tcd_tile->distolayer[0] : cumdisto[layno - 1] + tcd_tile->distolayer[layno];
1089                                                         if (distoachieved < distotarget) {
1090                                                                 hi=thresh;
1091                                                                 stable_thresh = thresh;
1092                                                                 continue;
1093                                                         }else{
1094                                                                 lo=thresh;
1095                                                         }
1096                                                 }
1097                                         }else{
1098                                                 distoachieved = (layno == 0) ?
1099                                                         tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
1100                                                 if (distoachieved < distotarget) {
1101                                                         hi = thresh;
1102                                                         stable_thresh = thresh;
1103                                                         continue;
1104                                                 }
1105                                                 lo = thresh;
1106                                         }
1107                                 } else {
1108                                         l = t2_encode_packets(t2, tcd->tcd_tileno, tcd_tile, layno + 1, dest, maxlen, cstr_info,tcd->cur_tp_num,tcd->tp_pos,tcd->cur_pino,THRESH_CALC);
1109                                         /* TODO: what to do with l ??? seek / tell ??? */
1110                                         /* opj_event_msg(tcd->cinfo, EVT_INFO, "rate alloc: len=%d, max=%d\n", l, maxlen); */
1111                                         if (l == -999) {
1112                                                 lo = thresh;
1113                                                 continue;
1114                                         }
1115                                         hi = thresh;
1116                                         stable_thresh = thresh;
1117                                 }
1118                         }
1119                         success = 1;
1120                         goodthresh = stable_thresh;
1121                         t2_destroy(t2);
1122                 } else {
1123                         success = 1;
1124                         goodthresh = min;
1125                 }
1126
1127                 if (!success) {
1128                         return false;
1129                 }
1130
1131                 if(cstr_info) { /* Threshold for Marcela Index */
1132                         cstr_info->tile[tcd->tcd_tileno].thresh[layno] = goodthresh;
1133                 }
1134                 tcd_makelayer(tcd, layno, goodthresh, 1);
1135
1136                 /* fixed_quality */
1137                 cumdisto[layno] = (layno == 0) ? tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
1138         }
1139
1140         return true;
1141 }
1142
1143 int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len, opj_codestream_info_t *cstr_info) {
1144         int compno;
1145         int l, i, numpacks = 0;
1146         opj_tcd_tile_t *tile = NULL;
1147         opj_tcp_t *tcd_tcp = NULL;
1148         opj_cp_t *cp = NULL;
1149
1150         opj_tcp_t *tcp = &tcd->cp->tcps[0];
1151         opj_tccp_t *tccp = &tcp->tccps[0];
1152         opj_image_t *image = tcd->image;
1153
1154         opj_t1_t *t1 = NULL;            /* T1 component */
1155         opj_t2_t *t2 = NULL;            /* T2 component */
1156
1157         tcd->tcd_tileno = tileno;
1158         tcd->tcd_tile = tcd->tcd_image->tiles;
1159         tcd->tcp = &tcd->cp->tcps[tileno];
1160
1161         tile = tcd->tcd_tile;
1162         tcd_tcp = tcd->tcp;
1163         cp = tcd->cp;
1164
1165         if(tcd->cur_tp_num == 0){
1166                 tcd->encoding_time = opj_clock();       /* time needed to encode a tile */
1167                 /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
1168                 if(cstr_info) {
1169                         opj_tcd_tilecomp_t *tilec_idx = &tile->comps[0];        /* based on component 0 */
1170                         for (i = 0; i < tilec_idx->numresolutions; i++) {
1171                                 opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];
1172
1173                                 cstr_info->tile[tileno].pw[i] = res_idx->pw;
1174                                 cstr_info->tile[tileno].ph[i] = res_idx->ph;
1175
1176                                 numpacks += res_idx->pw * res_idx->ph;
1177
1178                                 cstr_info->tile[tileno].pdx[i] = tccp->prcw[i];
1179                                 cstr_info->tile[tileno].pdy[i] = tccp->prch[i];
1180                         }
1181                         cstr_info->tile[tileno].packet = (opj_packet_info_t *) opj_malloc(cstr_info->numcomps * cstr_info->numlayers * numpacks * sizeof(opj_packet_info_t));
1182                 }
1183                 /* << INDEX */
1184
1185                 /*---------------TILE-------------------*/
1186
1187                 for (compno = 0; compno < tile->numcomps; compno++) {
1188                         int x, y;
1189
1190                         int adjust = image->comps[compno].sgnd ? 0 : 1 << (image->comps[compno].prec - 1);
1191                         int offset_x = int_ceildiv(image->x0, image->comps[compno].dx);
1192                         int offset_y = int_ceildiv(image->y0, image->comps[compno].dy);
1193
1194                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1195                         int tw = tilec->x1 - tilec->x0;
1196                         int w = int_ceildiv(image->x1 - image->x0, image->comps[compno].dx);
1197
1198                         /* extract tile data */
1199
1200                         if (tcd_tcp->tccps[compno].qmfbid == 1) {
1201                                 for (y = tilec->y0; y < tilec->y1; y++) {
1202                                         /* start of the src tile scanline */
1203                                         int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1204                                         /* start of the dst tile scanline */
1205                                         int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1206                                         for (x = tilec->x0; x < tilec->x1; x++) {
1207                                                 *tile_data++ = *data++ - adjust;
1208                                         }
1209                                 }
1210                         } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1211                                 for (y = tilec->y0; y < tilec->y1; y++) {
1212                                         /* start of the src tile scanline */
1213                                         int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1214                                         /* start of the dst tile scanline */
1215                                         int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1216                                         for (x = tilec->x0; x < tilec->x1; x++) {
1217                                                 *tile_data++ = (*data++ - adjust) << 11;
1218                                         }
1219
1220                                 }
1221                         }
1222                 }
1223
1224                 /*----------------MCT-------------------*/
1225                 if (tcd_tcp->mct) {
1226                         int samples = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
1227                         if (tcd_tcp->tccps[0].qmfbid == 0) {
1228                                 mct_encode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1229                         } else {
1230                                 mct_encode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1231                         }
1232                 }
1233
1234                 /*----------------DWT---------------------*/
1235
1236                 for (compno = 0; compno < tile->numcomps; compno++) {
1237                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1238                         if (tcd_tcp->tccps[compno].qmfbid == 1) {
1239                                 dwt_encode(tilec);
1240                         } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1241                                 dwt_encode_real(tilec);
1242                         }
1243                 }
1244
1245                 /*------------------TIER1-----------------*/
1246                 t1 = t1_create(tcd->cinfo);
1247                 t1_encode_cblks(t1, tile, tcd_tcp);
1248                 t1_destroy(t1);
1249
1250                 /*-----------RATE-ALLOCATE------------------*/
1251
1252                 /* INDEX */
1253                 if(cstr_info) {
1254                         cstr_info->index_write = 0;
1255                 }
1256                 if (cp->disto_alloc || cp->fixed_quality) {     /* fixed_quality */
1257                         /* Normal Rate/distortion allocation */
1258                         tcd_rateallocate(tcd, dest, len, cstr_info);
1259                 } else {
1260                         /* Fixed layer allocation */
1261                         tcd_rateallocate_fixed(tcd);
1262                 }
1263         }
1264         /*--------------TIER2------------------*/
1265
1266         /* INDEX */
1267         if(cstr_info) {
1268                 cstr_info->index_write = 1;
1269         }
1270
1271         t2 = t2_create(tcd->cinfo, image, cp);
1272         l = t2_encode_packets(t2,tileno, tile, tcd_tcp->numlayers, dest, len, cstr_info,tcd->tp_num,tcd->tp_pos,tcd->cur_pino,FINAL_PASS);
1273         t2_destroy(t2);
1274
1275         /*---------------CLEAN-------------------*/
1276
1277
1278         if(tcd->cur_tp_num == tcd->cur_totnum_tp - 1){
1279                 tcd->encoding_time = opj_clock() - tcd->encoding_time;
1280                 opj_event_msg(tcd->cinfo, EVT_INFO, "- tile encoded in %f s\n", tcd->encoding_time);
1281
1282                 /* cleaning memory */
1283                 for (compno = 0; compno < tile->numcomps; compno++) {
1284                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1285                         opj_aligned_free(tilec->data);
1286                 }
1287         }
1288
1289         return l;
1290 }
1291
1292 bool tcd_decode_tile(opj_tcd_t *tcd, unsigned char *src, int len, int tileno, opj_codestream_info_t *cstr_info) {
1293         int l;
1294         int compno;
1295         int eof = 0;
1296         double tile_time, t1_time, dwt_time;
1297         opj_tcd_tile_t *tile = NULL;
1298
1299         opj_t1_t *t1 = NULL;            /* T1 component */
1300         opj_t2_t *t2 = NULL;            /* T2 component */
1301
1302         tcd->tcd_tileno = tileno;
1303         tcd->tcd_tile = &(tcd->tcd_image->tiles[tileno]);
1304         tcd->tcp = &(tcd->cp->tcps[tileno]);
1305         tile = tcd->tcd_tile;
1306
1307         tile_time = opj_clock();        /* time needed to decode a tile */
1308         opj_event_msg(tcd->cinfo, EVT_INFO, "tile %d of %d\n", tileno + 1, tcd->cp->tw * tcd->cp->th);
1309
1310         /* INDEX >>  */
1311         if(cstr_info) {
1312                 int i, numpacks = 0;
1313                 opj_tcp_t *tcp = &tcd->cp->tcps[0];
1314                 opj_tccp_t *tccp = &tcp->tccps[0];
1315                 opj_tcd_tilecomp_t *tilec_idx = &tile->comps[0];        /* based on component 0 */
1316                 for (i = 0; i < tilec_idx->numresolutions; i++) {
1317                         opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];
1318                         cstr_info->tile[tileno].pw[i] = res_idx->pw;
1319                         cstr_info->tile[tileno].ph[i] = res_idx->ph;
1320                         numpacks += res_idx->pw * res_idx->ph;
1321                         if (tccp->csty & J2K_CP_CSTY_PRT) {
1322                                 cstr_info->tile[tileno].pdx[i] = tccp->prcw[i];
1323                                 cstr_info->tile[tileno].pdy[i] = tccp->prch[i];
1324                         }
1325                         else {
1326                                 cstr_info->tile[tileno].pdx[i] = 15;
1327                                 cstr_info->tile[tileno].pdx[i] = 15;
1328                         }
1329                 }
1330                 cstr_info->tile[tileno].packet = (opj_packet_info_t *) opj_malloc(cstr_info->numcomps * cstr_info->numlayers * numpacks * sizeof(opj_packet_info_t));
1331                 cstr_info->packno = 0;
1332         }
1333         /* << INDEX */
1334
1335         /*--------------TIER2------------------*/
1336
1337         t2 = t2_create(tcd->cinfo, tcd->image, tcd->cp);
1338         l = t2_decode_packets(t2, src, len, tileno, tile, cstr_info);
1339         t2_destroy(t2);
1340
1341         if (l == -999) {
1342                 eof = 1;
1343                 opj_event_msg(tcd->cinfo, EVT_ERROR, "tcd_decode: incomplete bistream\n");
1344         }
1345
1346         /*------------------TIER1-----------------*/
1347
1348         t1_time = opj_clock();  /* time needed to decode a tile */
1349         t1 = t1_create(tcd->cinfo);
1350         t1_decode_cblks(t1, tile, tcd->tcp);
1351         t1_destroy(t1);
1352         t1_time = opj_clock() - t1_time;
1353         opj_event_msg(tcd->cinfo, EVT_INFO, "- tiers-1 took %f s\n", t1_time);
1354
1355         /*----------------DWT---------------------*/
1356
1357         dwt_time = opj_clock(); /* time needed to decode a tile */
1358         for (compno = 0; compno < tile->numcomps; compno++) {
1359                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1360                 if (tcd->cp->reduce != 0) {
1361                         tcd->image->comps[compno].resno_decoded =
1362                                 tile->comps[compno].numresolutions - tcd->cp->reduce - 1;
1363                 }
1364
1365                 if (tcd->tcp->tccps[compno].qmfbid == 1) {
1366                         dwt_decode(tilec, tilec->numresolutions - 1 - tcd->image->comps[compno].resno_decoded);
1367                 } else {
1368                         dwt_decode_real(tilec, tilec->numresolutions - 1 - tcd->image->comps[compno].resno_decoded);
1369                 }
1370
1371                 if (tile->comps[compno].numresolutions > 0) {
1372                         tcd->image->comps[compno].factor = tile->comps[compno].numresolutions - (tcd->image->comps[compno].resno_decoded + 1);
1373                 }
1374         }
1375         dwt_time = opj_clock() - dwt_time;
1376         opj_event_msg(tcd->cinfo, EVT_INFO, "- dwt took %f s\n", dwt_time);
1377
1378         /*----------------MCT-------------------*/
1379
1380         if (tcd->tcp->mct) {
1381                 if (tcd->tcp->tccps[0].qmfbid == 1) {
1382                         mct_decode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data,
1383                                 (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0));
1384                 } else {
1385                         mct_decode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data,
1386                                 (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0));
1387                 }
1388         }
1389
1390         /*---------------TILE-------------------*/
1391
1392         for (compno = 0; compno < tile->numcomps; compno++) {
1393                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1394                 opj_tcd_resolution_t *res =     &tilec->resolutions[tcd->image->comps[compno].resno_decoded];
1395                 int adjust = tcd->image->comps[compno].sgnd ? 0 : 1 << (tcd->image->comps[compno].prec - 1);
1396                 int min = tcd->image->comps[compno].sgnd ?
1397                         -(1 << (tcd->image->comps[compno].prec - 1)) : 0;
1398                 int max = tcd->image->comps[compno].sgnd ?
1399                         (1 << (tcd->image->comps[compno].prec - 1)) - 1 : (1 << tcd->image->comps[compno].prec) - 1;
1400
1401                 int tw = tilec->x1 - tilec->x0;
1402                 int w = tcd->image->comps[compno].w;
1403
1404                 int i, j;
1405                 int offset_x = int_ceildivpow2(tcd->image->comps[compno].x0, tcd->image->comps[compno].factor);
1406                 int offset_y = int_ceildivpow2(tcd->image->comps[compno].y0, tcd->image->comps[compno].factor);
1407
1408                 for (j = res->y0; j < res->y1; j++) {
1409                         for (i = res->x0; i < res->x1; i++) {
1410                                 int v;
1411                                 float tmp = (float)((tilec->data[i - res->x0 + (j - res->y0) * tw]) / 8192.0);
1412
1413                                 if (tcd->tcp->tccps[compno].qmfbid == 1) {
1414                                         v = tilec->data[i - res->x0 + (j - res->y0) * tw];
1415                                 } else {
1416                                         int tmp2 = ((int) (floor(fabs(tmp)))) + ((int) floor(fabs(tmp*2))%2);
1417                                         v = ((tmp < 0) ? -tmp2:tmp2);
1418                                 }
1419                                 v += adjust;
1420
1421                                 tcd->image->comps[compno].data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
1422                         }
1423                 }
1424         }
1425
1426         tile_time = opj_clock() - tile_time;    /* time needed to decode a tile */
1427         opj_event_msg(tcd->cinfo, EVT_INFO, "- tile decoded in %f s\n", tile_time);
1428
1429         for (compno = 0; compno < tile->numcomps; compno++) {
1430                 opj_aligned_free(tcd->tcd_image->tiles[tileno].comps[compno].data);
1431                 tcd->tcd_image->tiles[tileno].comps[compno].data = NULL;
1432         }
1433
1434         if (eof) {
1435                 return false;
1436         }
1437
1438         return true;
1439 }
1440
1441 void tcd_free_decode(opj_tcd_t *tcd) {
1442         opj_tcd_image_t *tcd_image = tcd->tcd_image;
1443         if (tcd_image->tiles != NULL) opj_free(tcd_image->tiles);
1444 }
1445
1446 void tcd_free_decode_tile(opj_tcd_t *tcd, int tileno) {
1447         int compno,resno,bandno,precno;
1448
1449         opj_tcd_image_t *tcd_image = tcd->tcd_image;
1450
1451         opj_tcd_tile_t *tile = &tcd_image->tiles[tileno];
1452         for (compno = 0; compno < tile->numcomps; compno++) {
1453                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1454                 for (resno = 0; resno < tilec->numresolutions; resno++) {
1455                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1456                         for (bandno = 0; bandno < res->numbands; bandno++) {
1457                                 opj_tcd_band_t *band = &res->bands[bandno];
1458                                 for (precno = 0; precno < res->ph * res->pw; precno++) {
1459                                         opj_tcd_precinct_t *prec = &band->precincts[precno];
1460                                         if (prec->cblks != NULL) opj_free(prec->cblks);
1461                                         if (prec->imsbtree != NULL) tgt_destroy(prec->imsbtree);
1462                                         if (prec->incltree != NULL) tgt_destroy(prec->incltree);
1463                                 }
1464                                 if (band->precincts != NULL) opj_free(band->precincts);
1465                         }
1466                 }
1467                 if (tilec->resolutions != NULL) opj_free(tilec->resolutions);
1468         }
1469         if (tile->comps != NULL) opj_free(tile->comps);
1470 }
1471
1472
1473
1474