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
 605                 tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
 606
 607                 tile->numcomps = image->numcomps;
 608                 tile->comps = (opj_tcd_tilecomp_t *) opj_malloc(image->numcomps * sizeof(opj_tcd_tilecomp_t));
 609         }
 610
 611
 612         for (i = 0; i < image->numcomps; i++) {
 613                 for (j = 0; j < cp->tileno_size; j++) {
 614                         opj_tcd_tile_t *tile;
 615                         opj_tcd_tilecomp_t *tilec;
 616
 617                         /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 618
 619                         tileno = cp->tileno[j];
 620
 621                         tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
 622                         tilec = &tile->comps[i];
 623
 624                         p = tileno % cp->tw;    /* si numerotation matricielle .. */
 625                         q = tileno / cp->tw;    /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
 626
 627                         /* 4 borders of the tile rescale on the image if necessary */
 628                         tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 629                         tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 630                         tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 631                         tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 632
 633                         tilec->x0 = int_ceildiv(tile->x0, image->comps[i].dx);
 634                         tilec->y0 = int_ceildiv(tile->y0, image->comps[i].dy);
 635                         tilec->x1 = int_ceildiv(tile->x1, image->comps[i].dx);
 636                         tilec->y1 = int_ceildiv(tile->y1, image->comps[i].dy);
 637
 638                         x0 = j == 0 ? tilec->x0 : int_min(x0, (unsigned int) tilec->x0);
 639                         y0 = j == 0 ? tilec->y0 : int_min(y0,   (unsigned int) tilec->x0);
 640                         x1 = j == 0 ? tilec->x1 : int_max(x1,   (unsigned int) tilec->x1);
 641                         y1 = j == 0 ? tilec->y1 : int_max(y1,   (unsigned int) tilec->y1);
 642                 }
 643
 644                 w = x1 - x0;
 645                 h = y1 - y0;
 646
 647                 image->comps[i].data = (int *) opj_malloc(w * h * sizeof(int));
 648                 image->comps[i].w = w;
 649                 image->comps[i].h = h;
 650                 image->comps[i].x0 = x0;
 651                 image->comps[i].y0 = y0;
 652         }
 653
 654 }
 655
 656 void tcd_malloc_decode_tile(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int tileno) {
 657         int compno, resno, bandno, precno, cblkno;
 658         unsigned int x0 = 0, y0 = 0, x1 = 0, y1 = 0;
 659         opj_tcp_t *tcp;
 660         opj_tcd_tile_t *tile;
 661
 662         tcd->cp = cp;
 663
 664         tcp = &(cp->tcps[cp->tileno[tileno]]);
 665         tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
 666
 667         tileno = cp->tileno[tileno];
 668
 669         for (compno = 0; compno < tile->numcomps; compno++) {
 670                 opj_tccp_t *tccp = &tcp->tccps[compno];
 671                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 672
 673                 /* border of each tile component (global) */
 674                 tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 675                 tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 676                 tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 677                 tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 678
 679                 tilec->data = (int*) opj_aligned_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
 680                 tilec->numresolutions = tccp->numresolutions;
 681                 tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));
 682
 683                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 684                         int pdx, pdy;
 685                         int levelno = tilec->numresolutions - 1 - resno;
 686                         int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 687                         int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 688                         int cbgwidthexpn, cbgheightexpn;
 689                         int cblkwidthexpn, cblkheightexpn;
 690
 691                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 692
 693                         /* border for each resolution level (global) */
 694                         res->x0 = int_ceildivpow2(tilec->x0, levelno);
 695                         res->y0 = int_ceildivpow2(tilec->y0, levelno);
 696                         res->x1 = int_ceildivpow2(tilec->x1, levelno);
 697                         res->y1 = int_ceildivpow2(tilec->y1, levelno);
 698                         res->numbands = resno == 0 ? 1 : 3;
 699
 700                         /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 701                         if (tccp->csty & J2K_CCP_CSTY_PRT) {
 702                                 pdx = tccp->prcw[resno];
 703                                 pdy = tccp->prch[resno];
 704                         } else {
 705                                 pdx = 15;
 706                                 pdy = 15;
 707                         }
 708
 709                         /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 710                         tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 711                         tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 712                         brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 713                         brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 714
 715                         res->pw = (res->x0 == res->x1) ? 0 : ((brprcxend - tlprcxstart) >> pdx);
 716                         res->ph = (res->y0 == res->y1) ? 0 : ((brprcyend - tlprcystart) >> pdy);
 717
 718                         if (resno == 0) {
 719                                 tlcbgxstart = tlprcxstart;
 720                                 tlcbgystart = tlprcystart;
 721                                 brcbgxend = brprcxend;
 722                                 brcbgyend = brprcyend;
 723                                 cbgwidthexpn = pdx;
 724                                 cbgheightexpn = pdy;
 725                         } else {
 726                                 tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 727                                 tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 728                                 brcbgxend = int_ceildivpow2(brprcxend, 1);
 729                                 brcbgyend = int_ceildivpow2(brprcyend, 1);
 730                                 cbgwidthexpn = pdx - 1;
 731                                 cbgheightexpn = pdy - 1;
 732                         }
 733
 734                         cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 735                         cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 736
 737                         for (bandno = 0; bandno < res->numbands; bandno++) {
 738                                 int x0b, y0b;
 739                                 int gain, numbps;
 740                                 opj_stepsize_t *ss = NULL;
 741
 742                                 opj_tcd_band_t *band = &res->bands[bandno];
 743                                 band->bandno = resno == 0 ? 0 : bandno + 1;
 744                                 x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 745                                 y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 746
 747                                 if (band->bandno == 0) {
 748                                         /* band border (global) */
 749                                         band->x0 = int_ceildivpow2(tilec->x0, levelno);
 750                                         band->y0 = int_ceildivpow2(tilec->y0, levelno);
 751                                         band->x1 = int_ceildivpow2(tilec->x1, levelno);
 752                                         band->y1 = int_ceildivpow2(tilec->y1, levelno);
 753                                 } else {
 754                                         /* band border (global) */
 755                                         band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 756                                         band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 757                                         band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 758                                         band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 759                                 }
 760
 761                                 ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 762                                 gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 763                                 numbps = image->comps[compno].prec + gain;
 764                                 band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
 765                                 band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 766
 767                                 band->precincts = (opj_tcd_precinct_t *) opj_malloc(res->pw * res->ph * sizeof(opj_tcd_precinct_t));
 768
 769                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 770                                         int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 771                                         int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 772                                         int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 773                                         int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 774                                         int cbgyend = cbgystart + (1 << cbgheightexpn);
 775
 776                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 777                                         /* precinct size (global) */
 778                                         prc->x0 = int_max(cbgxstart, band->x0);
 779                                         prc->y0 = int_max(cbgystart, band->y0);
 780                                         prc->x1 = int_min(cbgxend, band->x1);
 781                                         prc->y1 = int_min(cbgyend, band->y1);
 782
 783                                         tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 784                                         tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 785                                         brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 786                                         brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 787                                         prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 788                                         prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 789
 790                                         prc->cblks = (opj_tcd_cblk_t *) opj_malloc(prc->cw * prc->ch * sizeof(opj_tcd_cblk_t));
 791
 792                                         prc->incltree = tgt_create(prc->cw, prc->ch);
 793                                         prc->imsbtree = tgt_create(prc->cw, prc->ch);
 794
 795                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 796                                                 int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 797                                                 int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 798                                                 int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 799                                                 int cblkyend = cblkystart + (1 << cblkheightexpn);
 800
 801                                                 /* code-block size (global) */
 802                                                 opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
 803                                                 cblk->x0 = int_max(cblkxstart, prc->x0);
 804                                                 cblk->y0 = int_max(cblkystart, prc->y0);
 805                                                 cblk->x1 = int_min(cblkxend, prc->x1);
 806                                                 cblk->y1 = int_min(cblkyend, prc->y1);
 807                                         }
 808                                 } /* precno */
 809                         } /* bandno */
 810                 } /* resno */
 811         } /* compno */
 812
 813         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 814 }
 815
 816 void tcd_makelayer_fixed(opj_tcd_t *tcd, int layno, int final) {
 817         int compno, resno, bandno, precno, cblkno;
 818         int value;                      /*, matrice[tcd_tcp->numlayers][tcd_tile->comps[0].numresolutions][3]; */
 819         int matrice[10][10][3];
 820         int i, j, k;
 821
 822         opj_cp_t *cp = tcd->cp;
 823         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
 824         opj_tcp_t *tcd_tcp = tcd->tcp;
 825
 826         /*matrice=(int*)opj_malloc(tcd_tcp->numlayers*tcd_tile->comps[0].numresolutions*3*sizeof(int)); */
 827
 828         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 829                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
 830                 for (i = 0; i < tcd_tcp->numlayers; i++) {
 831                         for (j = 0; j < tilec->numresolutions; j++) {
 832                                 for (k = 0; k < 3; k++) {
 833                                         matrice[i][j][k] =
 834                                                 (int) (cp->matrice[i * tilec->numresolutions * 3 + j * 3 + k]
 835                                                 * (float) (tcd->image->comps[compno].prec / 16.0));
 836                                 }
 837                         }
 838                 }
 839
 840                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 841                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 842                         for (bandno = 0; bandno < res->numbands; bandno++) {
 843                                 opj_tcd_band_t *band = &res->bands[bandno];
 844                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 845                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 846                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 847                                                 opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
 848                                                 opj_tcd_layer_t *layer = &cblk->layers[layno];
 849                                                 int n;
 850                                                 int imsb = tcd->image->comps[compno].prec - cblk->numbps;       /* number of bit-plan equal to zero */
 851                                                 /* Correction of the matrix of coefficient to include the IMSB information */
 852                                                 if (layno == 0) {
 853                                                         value = matrice[layno][resno][bandno];
 854                                                         if (imsb >= value) {
 855                                                                 value = 0;
 856                                                         } else {
 857                                                                 value -= imsb;
 858                                                         }
 859                                                 } else {
 860                                                         value = matrice[layno][resno][bandno] - matrice[layno - 1][resno][bandno];
 861                                                         if (imsb >= matrice[layno - 1][resno][bandno]) {
 862                                                                 value -= (imsb - matrice[layno - 1][resno][bandno]);
 863                                                                 if (value < 0) {
 864                                                                         value = 0;
 865                                                                 }
 866                                                         }
 867                                                 }
 868
 869                                                 if (layno == 0) {
 870                                                         cblk->numpassesinlayers = 0;
 871                                                 }
 872
 873                                                 n = cblk->numpassesinlayers;
 874                                                 if (cblk->numpassesinlayers == 0) {
 875                                                         if (value != 0) {
 876                                                                 n = 3 * value - 2 + cblk->numpassesinlayers;
 877                                                         } else {
 878                                                                 n = cblk->numpassesinlayers;
 879                                                         }
 880                                                 } else {
 881                                                         n = 3 * value + cblk->numpassesinlayers;
 882                                                 }
 883
 884                                                 layer->numpasses = n - cblk->numpassesinlayers;
 885
 886                                                 if (!layer->numpasses)
 887                                                         continue;
 888
 889                                                 if (cblk->numpassesinlayers == 0) {
 890                                                         layer->len = cblk->passes[n - 1].rate;
 891                                                         layer->data = cblk->data;
 892                                                 } else {
 893                                                         layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
 894                                                         layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
 895                                                 }
 896                                                 if (final)
 897                                                         cblk->numpassesinlayers = n;
 898                                         }
 899                                 }
 900                         }
 901                 }
 902         }
 903 }
 904
 905 void tcd_rateallocate_fixed(opj_tcd_t *tcd) {
 906         int layno;
 907         for (layno = 0; layno < tcd->tcp->numlayers; layno++) {
 908                 tcd_makelayer_fixed(tcd, layno, 1);
 909         }
 910 }
 911
 912 void tcd_makelayer(opj_tcd_t *tcd, int layno, double thresh, int final) {
 913         int compno, resno, bandno, precno, cblkno, passno;
 914
 915         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
 916
 917         tcd_tile->distolayer[layno] = 0;        /* fixed_quality */
 918
 919         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 920                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
 921                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 922                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 923                         for (bandno = 0; bandno < res->numbands; bandno++) {
 924                                 opj_tcd_band_t *band = &res->bands[bandno];
 925                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 926                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 927                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 928                                                 opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
 929                                                 opj_tcd_layer_t *layer = &cblk->layers[layno];
 930
 931                                                 int n;
 932                                                 if (layno == 0) {
 933                                                         cblk->numpassesinlayers = 0;
 934                                                 }
 935                                                 n = cblk->numpassesinlayers;
 936                                                 for (passno = cblk->numpassesinlayers; passno < cblk->totalpasses; passno++) {
 937                                                         int dr;
 938                                                         double dd;
 939                                                         opj_tcd_pass_t *pass = &cblk->passes[passno];
 940                                                         if (n == 0) {
 941                                                                 dr = pass->rate;
 942                                                                 dd = pass->distortiondec;
 943                                                         } else {
 944                                                                 dr = pass->rate - cblk->passes[n - 1].rate;
 945                                                                 dd = pass->distortiondec - cblk->passes[n - 1].distortiondec;
 946                                                         }
 947                                                         if (!dr) {
 948                                                                 if (dd != 0)
 949                                                                         n = passno + 1;
 950                                                                 continue;
 951                                                         }
 952                                                         if (dd / dr >= thresh)
 953                                                                 n = passno + 1;
 954                                                 }
 955                                                 layer->numpasses = n - cblk->numpassesinlayers;
 956
 957                                                 if (!layer->numpasses) {
 958                                                         layer->disto = 0;
 959                                                         continue;
 960                                                 }
 961                                                 if (cblk->numpassesinlayers == 0) {
 962                                                         layer->len = cblk->passes[n - 1].rate;
 963                                                         layer->data = cblk->data;
 964                                                         layer->disto = cblk->passes[n - 1].distortiondec;
 965                                                 } else {
 966                                                         layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
 967                                                         layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
 968                                                         layer->disto = cblk->passes[n - 1].distortiondec - cblk->passes[cblk->numpassesinlayers - 1].distortiondec;
 969                                                 }
 970
 971                                                 tcd_tile->distolayer[layno] += layer->disto;    /* fixed_quality */
 972
 973                                                 if (final)
 974                                                         cblk->numpassesinlayers = n;
 975                                         }
 976                                 }
 977                         }
 978                 }
 979         }
 980 }
 981
 982 bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_image_info_t * image_info) {
 983         int compno, resno, bandno, precno, cblkno, passno, layno;
 984         double min, max;
 985         double cumdisto[100];   /* fixed_quality */
 986         const double K = 1;             /* 1.1; fixed_quality */
 987         double maxSE = 0;
 988
 989         opj_cp_t *cp = tcd->cp;
 990         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
 991         opj_tcp_t *tcd_tcp = tcd->tcp;
 992
 993         min = DBL_MAX;
 994         max = 0;
 995
 996         tcd_tile->nbpix = 0;            /* fixed_quality */
 997
 998         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 999                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
1000                 tilec->nbpix = 0;
1001
1002                 for (resno = 0; resno < tilec->numresolutions; resno++) {
1003                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1004
1005                         for (bandno = 0; bandno < res->numbands; bandno++) {
1006                                 opj_tcd_band_t *band = &res->bands[bandno];
1007
1008                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
1009                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
1010
1011                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
1012                                                 opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
1013
1014                                                 for (passno = 0; passno < cblk->totalpasses; passno++) {
1015                                                         opj_tcd_pass_t *pass = &cblk->passes[passno];
1016                                                         int dr;
1017                                                         double dd, rdslope;
1018                                                         if (passno == 0) {
1019                                                                 dr = pass->rate;
1020                                                                 dd = pass->distortiondec;
1021                                                         } else {
1022                                                                 dr = pass->rate - cblk->passes[passno - 1].rate;
1023                                                                 dd = pass->distortiondec - cblk->passes[passno - 1].distortiondec;
1024                                                         }
1025                                                         if (dr == 0) {
1026                                                                 continue;
1027                                                         }
1028                                                         rdslope = dd / dr;
1029                                                         if (rdslope < min) {
1030                                                                 min = rdslope;
1031                                                         }
1032                                                         if (rdslope > max) {
1033                                                                 max = rdslope;
1034                                                         }
1035                                                 } /* passno */
1036
1037                                                 /* fixed_quality */
1038                                                 tcd_tile->nbpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1039                                                 tilec->nbpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1040                                         } /* cbklno */
1041                                 } /* precno */
1042                         } /* bandno */
1043                 } /* resno */
1044
1045                 maxSE += (((double)(1 << tcd->image->comps[compno].prec) - 1.0)
1046                         * ((double)(1 << tcd->image->comps[compno].prec) -1.0))
1047                         * ((double)(tilec->nbpix));
1048         } /* compno */
1049
1050         /* index file */
1051         if(image_info && image_info->index_on) {
1052                 opj_tile_info_t *tile_info = &image_info->tile[tcd->tcd_tileno];
1053                 tile_info->nbpix = tcd_tile->nbpix;
1054                 tile_info->distotile = tcd_tile->distotile;
1055                 tile_info->thresh = (double *) opj_malloc(tcd_tcp->numlayers * sizeof(double));
1056         }
1057
1058         for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
1059                 double lo = min;
1060                 double hi = max;
1061                 int success = 0;
1062                 int maxlen = tcd_tcp->rates[layno] ? int_min(((int) ceil(tcd_tcp->rates[layno])), len) : len;
1063                 double goodthresh = 0;
1064                 double stable_thresh = 0;
1065                 int i;
1066                 double distotarget;             /* fixed_quality */
1067
1068                 /* fixed_quality */
1069                 distotarget = tcd_tile->distotile - ((K * maxSE) / pow((float)10, tcd_tcp->distoratio[layno] / 10));
1070
1071                 if ((tcd_tcp->rates[layno]) || (cp->disto_alloc == 0)) {
1072                         opj_t2_t *t2 = t2_create(tcd->cinfo, tcd->image, cp);
1073
1074                         for (i = 0; i < 32; i++) {
1075                                 double thresh = (lo + hi) / 2;
1076                                 int l = 0;
1077                                 double distoachieved = 0;       /* fixed_quality */
1078
1079                                 tcd_makelayer(tcd, layno, thresh, 0);
1080
1081                                 if (cp->fixed_quality) {        /* fixed_quality */
1082                                         if(cp->cinema){
1083                                                 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);
1084                                                 if (l == -999) {
1085                                                         lo = thresh;
1086                                                         continue;
1087                                                 }else{
1088                         distoachieved = layno == 0 ?
1089                                                         tcd_tile->distolayer[0] : cumdisto[layno - 1] + tcd_tile->distolayer[layno];
1090                                                         if (distoachieved < distotarget) {
1091                                                                 hi=thresh;
1092                                                                 stable_thresh = thresh;
1093                                                                 continue;
1094                                                         }else{
1095                                                                 lo=thresh;
1096                                                         }
1097                                                 }
1098                                         }else{
1099                                                 distoachieved = (layno == 0) ?
1100                                                         tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
1101                                                 if (distoachieved < distotarget) {
1102                                                         hi = thresh;
1103                                                         stable_thresh = thresh;
1104                                                         continue;
1105                                                 }
1106                                                 lo = thresh;
1107                                         }
1108                                 } else {
1109                                         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);
1110                                         /* TODO: what to do with l ??? seek / tell ??? */
1111                                         /* opj_event_msg(tcd->cinfo, EVT_INFO, "rate alloc: len=%d, max=%d\n", l, maxlen); */
1112                                         if (l == -999) {
1113                                                 lo = thresh;
1114                                                 continue;
1115                                         }
1116                                         hi = thresh;
1117                                         stable_thresh = thresh;
1118                                 }
1119                         }
1120                         success = 1;
1121                         goodthresh = stable_thresh;
1122                         t2_destroy(t2);
1123                 } else {
1124                         success = 1;
1125                         goodthresh = min;
1126                 }
1127
1128                 if (!success) {
1129                         return false;
1130                 }
1131
1132                 if(image_info && image_info->index_on) {        /* Threshold for Marcela Index */
1133                         image_info->tile[tcd->tcd_tileno].thresh[layno] = goodthresh;
1134                 }
1135                 tcd_makelayer(tcd, layno, goodthresh, 1);
1136
1137                 /* fixed_quality */
1138                 cumdisto[layno] = (layno == 0) ? tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
1139         }
1140
1141         return true;
1142 }
1143
1144 int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len, opj_image_info_t * image_info) {
1145         int compno;
1146         int l, i, npck = 0;
1147         opj_tcd_tile_t *tile = NULL;
1148         opj_tcp_t *tcd_tcp = NULL;
1149         opj_cp_t *cp = NULL;
1150
1151         opj_tcp_t *tcp = &tcd->cp->tcps[0];
1152         opj_tccp_t *tccp = &tcp->tccps[0];
1153         opj_image_t *image = tcd->image;
1154
1155         opj_t1_t *t1 = NULL;            /* T1 component */
1156         opj_t2_t *t2 = NULL;            /* T2 component */
1157
1158         tcd->tcd_tileno = tileno;
1159         tcd->tcd_tile = tcd->tcd_image->tiles;
1160         tcd->tcp = &tcd->cp->tcps[tileno];
1161
1162         tile = tcd->tcd_tile;
1163         tcd_tcp = tcd->tcp;
1164         cp = tcd->cp;
1165
1166         if(tcd->cur_tp_num == 0){
1167                 tcd->encoding_time = opj_clock();       /* time needed to encode a tile */
1168                 /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
1169                 if(image_info && image_info->index_on) {
1170                         opj_tcd_tilecomp_t *tilec_idx = &tile->comps[0];        /* based on component 0 */
1171                         for (i = 0; i < tilec_idx->numresolutions; i++) {
1172                                 opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];
1173
1174                                 image_info->tile[tileno].pw[i] = res_idx->pw;
1175                                 image_info->tile[tileno].ph[i] = res_idx->ph;
1176
1177                                 npck += res_idx->pw * res_idx->ph;
1178
1179                                 image_info->tile[tileno].pdx[i] = tccp->prcw[i];
1180                                 image_info->tile[tileno].pdy[i] = tccp->prch[i];
1181                         }
1182                         image_info->tile[tileno].packet = (opj_packet_info_t *) opj_malloc(image_info->comp * image_info->layer * npck * sizeof(opj_packet_info_t));
1183                 }
1184                 /* << INDEX */
1185
1186                 /*---------------TILE-------------------*/
1187
1188                 for (compno = 0; compno < tile->numcomps; compno++) {
1189                         int x, y;
1190
1191                         int adjust = image->comps[compno].sgnd ? 0 : 1 << (image->comps[compno].prec - 1);
1192                         int offset_x = int_ceildiv(image->x0, image->comps[compno].dx);
1193                         int offset_y = int_ceildiv(image->y0, image->comps[compno].dy);
1194
1195                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1196                         int tw = tilec->x1 - tilec->x0;
1197                         int w = int_ceildiv(image->x1 - image->x0, image->comps[compno].dx);
1198
1199                         /* extract tile data */
1200
1201                         if (tcd_tcp->tccps[compno].qmfbid == 1) {
1202                                 for (y = tilec->y0; y < tilec->y1; y++) {
1203                                         /* start of the src tile scanline */
1204                                         int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1205                                         /* start of the dst tile scanline */
1206                                         int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1207                                         for (x = tilec->x0; x < tilec->x1; x++) {
1208                                                 *tile_data++ = *data++ - adjust;
1209                                         }
1210                                 }
1211                         } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1212                                 for (y = tilec->y0; y < tilec->y1; y++) {
1213                                         /* start of the src tile scanline */
1214                                         int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1215                                         /* start of the dst tile scanline */
1216                                         int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1217                                         for (x = tilec->x0; x < tilec->x1; x++) {
1218                                                 *tile_data++ = (*data++ - adjust) << 11;
1219                                         }
1220
1221                                 }
1222                         }
1223                 }
1224
1225                 /*----------------MCT-------------------*/
1226                 if (tcd_tcp->mct) {
1227                         int samples = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
1228                         if (tcd_tcp->tccps[0].qmfbid == 0) {
1229                                 mct_encode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1230                         } else {
1231                                 mct_encode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1232                         }
1233                 }
1234
1235                 /*----------------DWT---------------------*/
1236
1237                 for (compno = 0; compno < tile->numcomps; compno++) {
1238                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1239                         if (tcd_tcp->tccps[compno].qmfbid == 1) {
1240                                 dwt_encode(tilec);
1241                         } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1242                                 dwt_encode_real(tilec);
1243                         }
1244                 }
1245
1246                 /*------------------TIER1-----------------*/
1247                 t1 = t1_create(tcd->cinfo);
1248                 t1_encode_cblks(t1, tile, tcd_tcp);
1249                 t1_destroy(t1);
1250
1251                 /*-----------RATE-ALLOCATE------------------*/
1252
1253                 /* INDEX */
1254                 if(image_info) {
1255                         image_info->index_write = 0;
1256                 }
1257                 if (cp->disto_alloc || cp->fixed_quality) {     /* fixed_quality */
1258                         /* Normal Rate/distortion allocation */
1259                         tcd_rateallocate(tcd, dest, len, image_info);
1260                 } else {
1261                         /* Fixed layer allocation */
1262                         tcd_rateallocate_fixed(tcd);
1263                 }
1264         }
1265         /*--------------TIER2------------------*/
1266
1267         /* INDEX */
1268         if(image_info) {
1269                 image_info->index_write = 1;
1270         }
1271
1272         t2 = t2_create(tcd->cinfo, image, cp);
1273         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);
1274         t2_destroy(t2);
1275
1276         /*---------------CLEAN-------------------*/
1277
1278
1279         if(tcd->cur_tp_num == tcd->cur_totnum_tp - 1){
1280                 tcd->encoding_time = opj_clock() - tcd->encoding_time;
1281                 opj_event_msg(tcd->cinfo, EVT_INFO, "- tile encoded in %f s\n", tcd->encoding_time);
1282
1283                 /* cleaning memory */
1284                 for (compno = 0; compno < tile->numcomps; compno++) {
1285                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1286                         opj_aligned_free(tilec->data);
1287                 }
1288         }
1289
1290         return l;
1291 }
1292
1293 bool tcd_decode_tile(opj_tcd_t *tcd, unsigned char *src, int len, int tileno) {
1294         int l;
1295         int compno;
1296         int eof = 0;
1297         double tile_time, t1_time, dwt_time;
1298         opj_tcd_tile_t *tile = NULL;
1299
1300         opj_t1_t *t1 = NULL;            /* T1 component */
1301         opj_t2_t *t2 = NULL;            /* T2 component */
1302
1303         tcd->tcd_tileno = tileno;
1304         tcd->tcd_tile = &(tcd->tcd_image->tiles[tileno]);
1305         tcd->tcp = &(tcd->cp->tcps[tileno]);
1306         tile = tcd->tcd_tile;
1307
1308         tile_time = opj_clock();        /* time needed to decode a tile */
1309         opj_event_msg(tcd->cinfo, EVT_INFO, "tile %d of %d\n", tileno + 1, tcd->cp->tw * tcd->cp->th);
1310
1311         /*--------------TIER2------------------*/
1312
1313         t2 = t2_create(tcd->cinfo, tcd->image, tcd->cp);
1314         l = t2_decode_packets(t2, src, len, tileno, tile);
1315         t2_destroy(t2);
1316
1317         if (l == -999) {
1318                 eof = 1;
1319                 opj_event_msg(tcd->cinfo, EVT_ERROR, "tcd_decode: incomplete bistream\n");
1320         }
1321
1322         /*------------------TIER1-----------------*/
1323
1324         t1_time = opj_clock();  /* time needed to decode a tile */
1325         t1 = t1_create(tcd->cinfo);
1326         t1_decode_cblks(t1, tile, tcd->tcp);
1327         t1_destroy(t1);
1328         t1_time = opj_clock() - t1_time;
1329         opj_event_msg(tcd->cinfo, EVT_INFO, "- tiers-1 took %f s\n", t1_time);
1330
1331         /*----------------DWT---------------------*/
1332
1333         dwt_time = opj_clock(); /* time needed to decode a tile */
1334         for (compno = 0; compno < tile->numcomps; compno++) {
1335                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1336                 if (tcd->cp->reduce != 0) {
1337                         tcd->image->comps[compno].resno_decoded =
1338                                 tile->comps[compno].numresolutions - tcd->cp->reduce - 1;
1339                 }
1340
1341                 if (tcd->tcp->tccps[compno].qmfbid == 1) {
1342                         dwt_decode(tilec, tilec->numresolutions - 1 - tcd->image->comps[compno].resno_decoded);
1343                 } else {
1344                         dwt_decode_real(tilec, tilec->numresolutions - 1 - tcd->image->comps[compno].resno_decoded);
1345                 }
1346
1347                 if (tile->comps[compno].numresolutions > 0) {
1348                         tcd->image->comps[compno].factor = tile->comps[compno].numresolutions - (tcd->image->comps[compno].resno_decoded + 1);
1349                 }
1350         }
1351         dwt_time = opj_clock() - dwt_time;
1352         opj_event_msg(tcd->cinfo, EVT_INFO, "- dwt took %f s\n", dwt_time);
1353
1354         /*----------------MCT-------------------*/
1355
1356         if (tcd->tcp->mct) {
1357                 if (tcd->tcp->tccps[0].qmfbid == 1) {
1358                         mct_decode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data,
1359                                 (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0));
1360                 } else {
1361                         mct_decode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data,
1362                                 (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0));
1363                 }
1364         }
1365
1366         /*---------------TILE-------------------*/
1367
1368         for (compno = 0; compno < tile->numcomps; compno++) {
1369                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1370                 opj_tcd_resolution_t *res =     &tilec->resolutions[tcd->image->comps[compno].resno_decoded];
1371                 int adjust = tcd->image->comps[compno].sgnd ? 0 : 1 << (tcd->image->comps[compno].prec - 1);
1372                 int min = tcd->image->comps[compno].sgnd ?
1373                         -(1 << (tcd->image->comps[compno].prec - 1)) : 0;
1374                 int max = tcd->image->comps[compno].sgnd ?
1375                         (1 << (tcd->image->comps[compno].prec - 1)) - 1 : (1 << tcd->image->comps[compno].prec) - 1;
1376
1377                 int tw = tilec->x1 - tilec->x0;
1378                 int w = tcd->image->comps[compno].w;
1379
1380                 int i, j;
1381                 int offset_x = int_ceildivpow2(tcd->image->comps[compno].x0, tcd->image->comps[compno].factor);
1382                 int offset_y = int_ceildivpow2(tcd->image->comps[compno].y0, tcd->image->comps[compno].factor);
1383
1384                 for (j = res->y0; j < res->y1; j++) {
1385                         for (i = res->x0; i < res->x1; i++) {
1386                                 int v;
1387                                 float tmp = (float)((tilec->data[i - res->x0 + (j - res->y0) * tw]) / 8192.0);
1388
1389                                 if (tcd->tcp->tccps[compno].qmfbid == 1) {
1390                                         v = tilec->data[i - res->x0 + (j - res->y0) * tw];
1391                                 } else {
1392                                         int tmp2 = ((int) (floor(fabs(tmp)))) + ((int) floor(fabs(tmp*2))%2);
1393                                         v = ((tmp < 0) ? -tmp2:tmp2);
1394                                 }
1395                                 v += adjust;
1396
1397                                 tcd->image->comps[compno].data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
1398                         }
1399                 }
1400         }
1401
1402         tile_time = opj_clock() - tile_time;    /* time needed to decode a tile */
1403         opj_event_msg(tcd->cinfo, EVT_INFO, "- tile decoded in %f s\n", tile_time);
1404
1405         for (compno = 0; compno < tile->numcomps; compno++) {
1406                 opj_aligned_free(tcd->tcd_image->tiles[tileno].comps[compno].data);
1407                 tcd->tcd_image->tiles[tileno].comps[compno].data = NULL;
1408         }
1409
1410         if (eof) {
1411                 return false;
1412         }
1413
1414         return true;
1415 }
1416
1417 void tcd_free_decode(opj_tcd_t *tcd) {
1418         opj_tcd_image_t *tcd_image = tcd->tcd_image;
1419         if (tcd_image->tiles != NULL) opj_free(tcd_image->tiles);
1420 }
1421
1422 void tcd_free_decode_tile(opj_tcd_t *tcd, int tileno) {
1423         int compno,resno,bandno,precno;
1424
1425         opj_tcd_image_t *tcd_image = tcd->tcd_image;
1426
1427         opj_tcd_tile_t *tile = &tcd_image->tiles[tileno];
1428         for (compno = 0; compno < tile->numcomps; compno++) {
1429                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1430                 for (resno = 0; resno < tilec->numresolutions; resno++) {
1431                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1432                         for (bandno = 0; bandno < res->numbands; bandno++) {
1433                                 opj_tcd_band_t *band = &res->bands[bandno];
1434                                 for (precno = 0; precno < res->ph * res->pw; precno++) {
1435                                         opj_tcd_precinct_t *prec = &band->precincts[precno];
1436                                         if (prec->cblks != NULL) opj_free(prec->cblks);
1437                                         if (prec->imsbtree != NULL) tgt_destroy(prec->imsbtree);
1438                                         if (prec->incltree != NULL) tgt_destroy(prec->incltree);
1439                                 }
1440                                 if (band->precincts != NULL) opj_free(band->precincts);
1441                         }
1442                 }
1443                 if (tilec->resolutions != NULL) opj_free(tilec->resolutions);
1444         }
1445         if (tile->comps != NULL) opj_free(tile->comps);
1446 }
1447
1448
1449
1450