src/lib/openmj2/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 #define _ISOC99_SOURCE /* lrintf is C99 */
  34 #include "opj_includes.h"
  35
  36 void tcd_dump(FILE *fd, opj_tcd_t *tcd, opj_tcd_image_t * img) {
  37         int tileno, compno, resno, bandno, precno;/*, cblkno;*/
  38
  39         fprintf(fd, "image {\n");
  40         fprintf(fd, "  tw=%d, th=%d x0=%d x1=%d y0=%d y1=%d\n",
  41                 img->tw, img->th, tcd->image->x0, tcd->image->x1, tcd->image->y0, tcd->image->y1);
  42
  43         for (tileno = 0; tileno < img->th * img->tw; tileno++) {
  44                 opj_tcd_tile_t *tile = &tcd->tcd_image->tiles[tileno];
  45                 fprintf(fd, "  tile {\n");
  46                 fprintf(fd, "    x0=%d, y0=%d, x1=%d, y1=%d, numcomps=%d\n",
  47                         tile->x0, tile->y0, tile->x1, tile->y1, tile->numcomps);
  48                 for (compno = 0; compno < tile->numcomps; compno++) {
  49                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
  50                         fprintf(fd, "    tilec {\n");
  51                         fprintf(fd,
  52                                 "      x0=%d, y0=%d, x1=%d, y1=%d, numresolutions=%d\n",
  53                                 tilec->x0, tilec->y0, tilec->x1, tilec->y1, tilec->numresolutions);
  54                         for (resno = 0; resno < tilec->numresolutions; resno++) {
  55                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
  56                                 fprintf(fd, "\n   res {\n");
  57                                 fprintf(fd,
  58                                         "          x0=%d, y0=%d, x1=%d, y1=%d, pw=%d, ph=%d, numbands=%d\n",
  59                                         res->x0, res->y0, res->x1, res->y1, res->pw, res->ph, res->numbands);
  60                                 for (bandno = 0; bandno < res->numbands; bandno++) {
  61                                         opj_tcd_band_t *band = &res->bands[bandno];
  62                                         fprintf(fd, "        band {\n");
  63                                         fprintf(fd,
  64                                                 "          x0=%d, y0=%d, x1=%d, y1=%d, stepsize=%f, numbps=%d\n",
  65                                                 band->x0, band->y0, band->x1, band->y1, band->stepsize, band->numbps);
  66                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
  67                                                 opj_tcd_precinct_t *prec = &band->precincts[precno];
  68                                                 fprintf(fd, "          prec {\n");
  69                                                 fprintf(fd,
  70                                                         "            x0=%d, y0=%d, x1=%d, y1=%d, cw=%d, ch=%d\n",
  71                                                         prec->x0, prec->y0, prec->x1, prec->y1, prec->cw, prec->ch);
  72                                                 /*
  73                                                 for (cblkno = 0; cblkno < prec->cw * prec->ch; cblkno++) {
  74                                                         opj_tcd_cblk_t *cblk = &prec->cblks[cblkno];
  75                                                         fprintf(fd, "            cblk {\n");
  76                                                         fprintf(fd,
  77                                                                 "              x0=%d, y0=%d, x1=%d, y1=%d\n",
  78                                                                 cblk->x0, cblk->y0, cblk->x1, cblk->y1);
  79                                                         fprintf(fd, "            }\n");
  80                                                 }
  81                                                 */
  82                                                 fprintf(fd, "          }\n");
  83                                         }
  84                                         fprintf(fd, "        }\n");
  85                                 }
  86                                 fprintf(fd, "      }\n");
  87                         }
  88                         fprintf(fd, "    }\n");
  89                 }
  90                 fprintf(fd, "  }\n");
  91         }
  92         fprintf(fd, "}\n");
  93 }
  94
  95 /* ----------------------------------------------------------------------- */
  96
  97 /**
  98 Create a new TCD handle
  99 */
 100 opj_tcd_t* tcd_create(opj_common_ptr cinfo) {
 101         /* create the tcd structure */
 102         opj_tcd_t *tcd = (opj_tcd_t*)opj_malloc(sizeof(opj_tcd_t));
 103         if(!tcd) return NULL;
 104         tcd->cinfo = cinfo;
 105         tcd->tcd_image = (opj_tcd_image_t*)opj_malloc(sizeof(opj_tcd_image_t));
 106         if(!tcd->tcd_image) {
 107                 opj_free(tcd);
 108                 return NULL;
 109         }
 110
 111         return tcd;
 112 }
 113
 114 /**
 115 Destroy a previously created TCD handle
 116 */
 117 void tcd_destroy(opj_tcd_t *tcd) {
 118         if(tcd) {
 119                 opj_free(tcd->tcd_image);
 120                 opj_free(tcd);
 121         }
 122 }
 123
 124 /* ----------------------------------------------------------------------- */
 125
 126 void tcd_malloc_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno) {
 127         int tileno, compno, resno, bandno, precno, cblkno;
 128
 129         tcd->image = image;
 130         tcd->cp = cp;
 131         tcd->tcd_image->tw = cp->tw;
 132         tcd->tcd_image->th = cp->th;
 133         tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_malloc(sizeof(opj_tcd_tile_t));
 134
 135         for (tileno = 0; tileno < 1; tileno++) {
 136                 opj_tcp_t *tcp = &cp->tcps[curtileno];
 137                 int j;
 138
 139                 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 140                 int p = curtileno % cp->tw;     /* si numerotation matricielle .. */
 141                 int q = curtileno / cp->tw;     /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
 142
 143                 /* opj_tcd_tile_t *tile=&tcd->tcd_image->tiles[tileno]; */
 144                 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
 145
 146                 /* 4 borders of the tile rescale on the image if necessary */
 147                 tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 148                 tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 149                 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 150                 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 151                 tile->numcomps = image->numcomps;
 152                 /* tile->PPT=image->PPT;  */
 153
 154                 /* Modification of the RATE >> */
 155                 for (j = 0; j < tcp->numlayers; j++) {
 156                         tcp->rates[j] = tcp->rates[j] ?
 157                                 cp->tp_on ?
 158                                         (((float) (tile->numcomps
 159                                         * (tile->x1 - tile->x0)
 160                                         * (tile->y1 - tile->y0)
 161                                         * image->comps[0].prec))
 162                                         /(tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)) - (((tcd->cur_totnum_tp - 1) * 14 )/ tcp->numlayers)
 163                                         :
 164                                 ((float) (tile->numcomps
 165                                         * (tile->x1 - tile->x0)
 166                                         * (tile->y1 - tile->y0)
 167                                         * image->comps[0].prec))/
 168                                         (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)
 169                                         : 0;
 170
 171                         if (tcp->rates[j]) {
 172                                 if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
 173                                         tcp->rates[j] = tcp->rates[j - 1] + 20;
 174                                 } else {
 175                                         if (!j && tcp->rates[j] < 30)
 176                                                 tcp->rates[j] = 30;
 177                                 }
 178
 179                                 if(j == (tcp->numlayers-1)){
 180                                         tcp->rates[j] = tcp->rates[j]- 2;
 181                                 }
 182                         }
 183                 }
 184                 /* << Modification of the RATE */
 185
 186                 tile->comps = (opj_tcd_tilecomp_t *) opj_malloc(image->numcomps * sizeof(opj_tcd_tilecomp_t));
 187                 for (compno = 0; compno < tile->numcomps; compno++) {
 188                         opj_tccp_t *tccp = &tcp->tccps[compno];
 189
 190                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 191
 192                         /* border of each tile component (global) */
 193                         tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 194                         tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 195                         tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 196                         tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 197
 198                         tilec->data = (int *) opj_aligned_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
 199                         tilec->numresolutions = tccp->numresolutions;
 200
 201                         tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));
 202
 203                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 204                                 int pdx, pdy;
 205                                 int levelno = tilec->numresolutions - 1 - resno;
 206                                 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 207                                 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 208                                 int cbgwidthexpn, cbgheightexpn;
 209                                 int cblkwidthexpn, cblkheightexpn;
 210
 211                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 212
 213                                 /* border for each resolution level (global) */
 214                                 res->x0 = int_ceildivpow2(tilec->x0, levelno);
 215                                 res->y0 = int_ceildivpow2(tilec->y0, levelno);
 216                                 res->x1 = int_ceildivpow2(tilec->x1, levelno);
 217                                 res->y1 = int_ceildivpow2(tilec->y1, levelno);
 218
 219                                 res->numbands = resno == 0 ? 1 : 3;
 220                                 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 221                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 222                                         pdx = tccp->prcw[resno];
 223                                         pdy = tccp->prch[resno];
 224                                 } else {
 225                                         pdx = 15;
 226                                         pdy = 15;
 227                                 }
 228                                 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 229                                 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 230                                 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 231
 232                                 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 233                                 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 234
 235                                 res->pw = (brprcxend - tlprcxstart) >> pdx;
 236                                 res->ph = (brprcyend - tlprcystart) >> pdy;
 237
 238                                 if (resno == 0) {
 239                                         tlcbgxstart = tlprcxstart;
 240                                         tlcbgystart = tlprcystart;
 241                                         brcbgxend = brprcxend;
 242                                         brcbgyend = brprcyend;
 243                                         cbgwidthexpn = pdx;
 244                                         cbgheightexpn = pdy;
 245                                 } else {
 246                                         tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 247                                         tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 248                                         brcbgxend = int_ceildivpow2(brprcxend, 1);
 249                                         brcbgyend = int_ceildivpow2(brprcyend, 1);
 250                                         cbgwidthexpn = pdx - 1;
 251                                         cbgheightexpn = pdy - 1;
 252                                 }
 253
 254                                 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 255                                 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 256
 257                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 258                                         int x0b, y0b, i;
 259                                         int gain, numbps;
 260                                         opj_stepsize_t *ss = NULL;
 261
 262                                         opj_tcd_band_t *band = &res->bands[bandno];
 263
 264                                         band->bandno = resno == 0 ? 0 : bandno + 1;
 265                                         x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 266                                         y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 267
 268                                         if (band->bandno == 0) {
 269                                                 /* band border (global) */
 270                                                 band->x0 = int_ceildivpow2(tilec->x0, levelno);
 271                                                 band->y0 = int_ceildivpow2(tilec->y0, levelno);
 272                                                 band->x1 = int_ceildivpow2(tilec->x1, levelno);
 273                                                 band->y1 = int_ceildivpow2(tilec->y1, levelno);
 274                                         } else {
 275                                                 /* band border (global) */
 276                                                 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 277                                                 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 278                                                 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 279                                                 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 280                                         }
 281
 282                                         ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 283                                         gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 284                                         numbps = image->comps[compno].prec + gain;
 285
 286                                         band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
 287                                         band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 288
 289                                         band->precincts = (opj_tcd_precinct_t *) opj_malloc(3 * res->pw * res->ph * sizeof(opj_tcd_precinct_t));
 290
 291                                         for (i = 0; i < res->pw * res->ph * 3; i++) {
 292                                                 band->precincts[i].imsbtree = NULL;
 293                                                 band->precincts[i].incltree = NULL;
 294                                                 band->precincts[i].cblks.enc = NULL;
 295                                         }
 296
 297                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 298                                                 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 299
 300                                                 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 301                                                 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 302                                                 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 303                                                 int cbgyend = cbgystart + (1 << cbgheightexpn);
 304
 305                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
 306
 307                                                 /* precinct size (global) */
 308                                                 prc->x0 = int_max(cbgxstart, band->x0);
 309                                                 prc->y0 = int_max(cbgystart, band->y0);
 310                                                 prc->x1 = int_min(cbgxend, band->x1);
 311                                                 prc->y1 = int_min(cbgyend, band->y1);
 312
 313                                                 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 314                                                 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 315                                                 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 316                                                 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 317                                                 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 318                                                 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 319
 320                                                 prc->cblks.enc = (opj_tcd_cblk_enc_t*) opj_calloc((prc->cw * prc->ch), sizeof(opj_tcd_cblk_enc_t));
 321                                                 prc->incltree = tgt_create(prc->cw, prc->ch);
 322                                                 prc->imsbtree = tgt_create(prc->cw, prc->ch);
 323
 324                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 325                                                         int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 326                                                         int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 327                                                         int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 328                                                         int cblkyend = cblkystart + (1 << cblkheightexpn);
 329
 330                                                         opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
 331
 332                                                         /* code-block size (global) */
 333                                                         cblk->x0 = int_max(cblkxstart, prc->x0);
 334                                                         cblk->y0 = int_max(cblkystart, prc->y0);
 335                                                         cblk->x1 = int_min(cblkxend, prc->x1);
 336                                                         cblk->y1 = int_min(cblkyend, prc->y1);
 337                                                         cblk->data = (unsigned char*) opj_calloc(9728+2, sizeof(unsigned char));
 338                                                         /* FIXME: mqc_init_enc and mqc_byteout underrun the buffer if we don't do this. Why? */
 339                                                         cblk->data[0] = 0;
 340                                                         cblk->data[1] = 0;
 341                                                         cblk->data += 2;
 342                                                         cblk->layers = (opj_tcd_layer_t*) opj_calloc(100, sizeof(opj_tcd_layer_t));
 343                                                         cblk->passes = (opj_tcd_pass_t*) opj_calloc(100, sizeof(opj_tcd_pass_t));
 344                                                 }
 345                                         }
 346                                 }
 347                         }
 348                 }
 349         }
 350
 351         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 352 }
 353
 354 void tcd_free_encode(opj_tcd_t *tcd) {
 355         int tileno, compno, resno, bandno, precno, cblkno;
 356
 357         for (tileno = 0; tileno < 1; tileno++) {
 358                 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
 359
 360                 for (compno = 0; compno < tile->numcomps; compno++) {
 361                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 362
 363                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 364                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 365
 366                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 367                                         opj_tcd_band_t *band = &res->bands[bandno];
 368
 369                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 370                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
 371
 372                                                 if (prc->incltree != NULL) {
 373                                                         tgt_destroy(prc->incltree);
 374                                                         prc->incltree = NULL;
 375                                                 }
 376                                                 if (prc->imsbtree != NULL) {
 377                                                         tgt_destroy(prc->imsbtree);
 378                                                         prc->imsbtree = NULL;
 379                                                 }
 380                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 381                                                         opj_free(prc->cblks.enc[cblkno].data - 2);
 382                                                         opj_free(prc->cblks.enc[cblkno].layers);
 383                                                         opj_free(prc->cblks.enc[cblkno].passes);
 384                                                 }
 385                                                 opj_free(prc->cblks.enc);
 386                                         } /* for (precno */
 387                                         opj_free(band->precincts);
 388                                         band->precincts = NULL;
 389                                 } /* for (bandno */
 390                         } /* for (resno */
 391                         opj_free(tilec->resolutions);
 392                         tilec->resolutions = NULL;
 393                 } /* for (compno */
 394                 opj_free(tile->comps);
 395                 tile->comps = NULL;
 396         } /* for (tileno */
 397         opj_free(tcd->tcd_image->tiles);
 398         tcd->tcd_image->tiles = NULL;
 399 }
 400
 401 void tcd_init_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno) {
 402         int tileno, compno, resno, bandno, precno, cblkno;
 403
 404         for (tileno = 0; tileno < 1; tileno++) {
 405                 opj_tcp_t *tcp = &cp->tcps[curtileno];
 406                 int j;
 407                 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 408                 int p = curtileno % cp->tw;
 409                 int q = curtileno / cp->tw;
 410
 411                 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
 412
 413                 /* 4 borders of the tile rescale on the image if necessary */
 414                 tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 415                 tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 416                 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 417                 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 418
 419                 tile->numcomps = image->numcomps;
 420                 /* tile->PPT=image->PPT; */
 421
 422                 /* Modification of the RATE >> */
 423                 for (j = 0; j < tcp->numlayers; j++) {
 424                         tcp->rates[j] = tcp->rates[j] ?
 425                                 cp->tp_on ?
 426                                         (((float) (tile->numcomps
 427                                         * (tile->x1 - tile->x0)
 428                                         * (tile->y1 - tile->y0)
 429                                         * image->comps[0].prec))
 430                                         /(tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)) - (((tcd->cur_totnum_tp - 1) * 14 )/ tcp->numlayers)
 431                                         :
 432                                 ((float) (tile->numcomps
 433                                         * (tile->x1 - tile->x0)
 434                                         * (tile->y1 - tile->y0)
 435                                         * image->comps[0].prec))/
 436                                         (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)
 437                                         : 0;
 438
 439                         if (tcp->rates[j]) {
 440                                 if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
 441                                         tcp->rates[j] = tcp->rates[j - 1] + 20;
 442                                 } else {
 443                                         if (!j && tcp->rates[j] < 30)
 444                                                 tcp->rates[j] = 30;
 445                                 }
 446                         }
 447                 }
 448                 /* << Modification of the RATE */
 449
 450                 /* tile->comps=(opj_tcd_tilecomp_t*)opj_realloc(tile->comps,image->numcomps*sizeof(opj_tcd_tilecomp_t)); */
 451                 for (compno = 0; compno < tile->numcomps; compno++) {
 452                         opj_tccp_t *tccp = &tcp->tccps[compno];
 453
 454                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 455
 456                         /* border of each tile component (global) */
 457                         tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 458                         tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 459                         tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 460                         tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 461
 462                         tilec->data = (int *) opj_aligned_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
 463                         tilec->numresolutions = tccp->numresolutions;
 464                         /* tilec->resolutions=(opj_tcd_resolution_t*)opj_realloc(tilec->resolutions,tilec->numresolutions*sizeof(opj_tcd_resolution_t)); */
 465                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 466                                 int pdx, pdy;
 467
 468                                 int levelno = tilec->numresolutions - 1 - resno;
 469                                 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 470                                 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 471                                 int cbgwidthexpn, cbgheightexpn;
 472                                 int cblkwidthexpn, cblkheightexpn;
 473
 474                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 475
 476                                 /* border for each resolution level (global) */
 477                                 res->x0 = int_ceildivpow2(tilec->x0, levelno);
 478                                 res->y0 = int_ceildivpow2(tilec->y0, levelno);
 479                                 res->x1 = int_ceildivpow2(tilec->x1, levelno);
 480                                 res->y1 = int_ceildivpow2(tilec->y1, levelno);
 481                                 res->numbands = resno == 0 ? 1 : 3;
 482
 483                                 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 484                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 485                                         pdx = tccp->prcw[resno];
 486                                         pdy = tccp->prch[resno];
 487                                 } else {
 488                                         pdx = 15;
 489                                         pdy = 15;
 490                                 }
 491                                 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 492                                 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 493                                 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 494                                 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 495                                 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 496
 497                                 res->pw = (brprcxend - tlprcxstart) >> pdx;
 498                                 res->ph = (brprcyend - tlprcystart) >> pdy;
 499
 500                                 if (resno == 0) {
 501                                         tlcbgxstart = tlprcxstart;
 502                                         tlcbgystart = tlprcystart;
 503                                         brcbgxend = brprcxend;
 504                                         brcbgyend = brprcyend;
 505                                         cbgwidthexpn = pdx;
 506                                         cbgheightexpn = pdy;
 507                                 } else {
 508                                         tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 509                                         tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 510                                         brcbgxend = int_ceildivpow2(brprcxend, 1);
 511                                         brcbgyend = int_ceildivpow2(brprcyend, 1);
 512                                         cbgwidthexpn = pdx - 1;
 513                                         cbgheightexpn = pdy - 1;
 514                                 }
 515
 516                                 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 517                                 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 518
 519                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 520                                         int x0b, y0b;
 521                                         int gain, numbps;
 522                                         opj_stepsize_t *ss = NULL;
 523
 524                                         opj_tcd_band_t *band = &res->bands[bandno];
 525
 526                                         band->bandno = resno == 0 ? 0 : bandno + 1;
 527                                         x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 528                                         y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 529
 530                                         if (band->bandno == 0) {
 531                                                 /* band border */
 532                                                 band->x0 = int_ceildivpow2(tilec->x0, levelno);
 533                                                 band->y0 = int_ceildivpow2(tilec->y0, levelno);
 534                                                 band->x1 = int_ceildivpow2(tilec->x1, levelno);
 535                                                 band->y1 = int_ceildivpow2(tilec->y1, levelno);
 536                                         } else {
 537                                                 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 538                                                 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 539                                                 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 540                                                 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 541                                         }
 542
 543                                         ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 544                                         gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 545                                         numbps = image->comps[compno].prec + gain;
 546                                         band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
 547                                         band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 548
 549                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 550                                                 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 551
 552                                                 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 553                                                 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 554                                                 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 555                                                 int cbgyend = cbgystart + (1 << cbgheightexpn);
 556
 557                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
 558
 559                                                 /* precinct size (global) */
 560                                                 prc->x0 = int_max(cbgxstart, band->x0);
 561                                                 prc->y0 = int_max(cbgystart, band->y0);
 562                                                 prc->x1 = int_min(cbgxend, band->x1);
 563                                                 prc->y1 = int_min(cbgyend, band->y1);
 564
 565                                                 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 566                                                 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 567                                                 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 568                                                 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 569                                                 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 570                                                 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 571
 572                                                 opj_free(prc->cblks.enc);
 573                                                 prc->cblks.enc = (opj_tcd_cblk_enc_t*) opj_calloc(prc->cw * prc->ch, sizeof(opj_tcd_cblk_enc_t));
 574
 575                                                 if (prc->incltree != NULL) {
 576                                                         tgt_destroy(prc->incltree);
 577                                                 }
 578                                                 if (prc->imsbtree != NULL) {
 579                                                         tgt_destroy(prc->imsbtree);
 580                                                 }
 581
 582                                                 prc->incltree = tgt_create(prc->cw, prc->ch);
 583                                                 prc->imsbtree = tgt_create(prc->cw, prc->ch);
 584
 585                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 586                                                         int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 587                                                         int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 588                                                         int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 589                                                         int cblkyend = cblkystart + (1 << cblkheightexpn);
 590
 591                                                         opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
 592
 593                                                         /* code-block size (global) */
 594                                                         cblk->x0 = int_max(cblkxstart, prc->x0);
 595                                                         cblk->y0 = int_max(cblkystart, prc->y0);
 596                                                         cblk->x1 = int_min(cblkxend, prc->x1);
 597                                                         cblk->y1 = int_min(cblkyend, prc->y1);
 598                                                         cblk->data = (unsigned char*) opj_calloc(8192+2, sizeof(unsigned char));
 599                                                         /* FIXME: mqc_init_enc and mqc_byteout underrun the buffer if we don't do this. Why? */
 600                                                         cblk->data[0] = 0;
 601                                                         cblk->data[1] = 0;
 602                                                         cblk->data += 2;
 603                                                         cblk->layers = (opj_tcd_layer_t*) opj_calloc(100, sizeof(opj_tcd_layer_t));
 604                                                         cblk->passes = (opj_tcd_pass_t*) opj_calloc(100, sizeof(opj_tcd_pass_t));
 605                                                 }
 606                                         } /* precno */
 607                                 } /* bandno */
 608                         } /* resno */
 609                 } /* compno */
 610         } /* tileno */
 611
 612         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 613 }
 614
 615 void tcd_malloc_decode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp) {
 616         int i, j, tileno, p, q;
 617         unsigned int x0 = 0, y0 = 0, x1 = 0, y1 = 0, w, h;
 618
 619         tcd->image = image;
 620         tcd->tcd_image->tw = cp->tw;
 621         tcd->tcd_image->th = cp->th;
 622     tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_calloc(cp->tw * cp->th, sizeof(opj_tcd_tile_t));
 623
 624         /*
 625         Allocate place to store the decoded data = final image
 626         Place limited by the tile really present in the codestream
 627         */
 628
 629         for (j = 0; j < cp->tileno_size; j++) {
 630                 opj_tcd_tile_t *tile;
 631
 632                 tileno = cp->tileno[j];
 633                 tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
 634                 tile->numcomps = image->numcomps;
 635                 tile->comps = (opj_tcd_tilecomp_t*) opj_calloc(image->numcomps, sizeof(opj_tcd_tilecomp_t));
 636         }
 637
 638         for (i = 0; i < image->numcomps; i++) {
 639                 for (j = 0; j < cp->tileno_size; j++) {
 640                         opj_tcd_tile_t *tile;
 641                         opj_tcd_tilecomp_t *tilec;
 642
 643                         /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 644
 645                         tileno = cp->tileno[j];
 646
 647                         tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
 648                         tilec = &tile->comps[i];
 649
 650                         p = tileno % cp->tw;    /* si numerotation matricielle .. */
 651                         q = tileno / cp->tw;    /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
 652
 653                         /* 4 borders of the tile rescale on the image if necessary */
 654                         tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 655                         tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 656                         tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 657                         tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 658
 659                         tilec->x0 = int_ceildiv(tile->x0, image->comps[i].dx);
 660                         tilec->y0 = int_ceildiv(tile->y0, image->comps[i].dy);
 661                         tilec->x1 = int_ceildiv(tile->x1, image->comps[i].dx);
 662                         tilec->y1 = int_ceildiv(tile->y1, image->comps[i].dy);
 663
 664                         x0 = j == 0 ? tilec->x0 : int_min(x0, (unsigned int) tilec->x0);
 665                         y0 = j == 0 ? tilec->y0 : int_min(y0,   (unsigned int) tilec->y0);
 666                         x1 = j == 0 ? tilec->x1 : int_max(x1,   (unsigned int) tilec->x1);
 667                         y1 = j == 0 ? tilec->y1 : int_max(y1,   (unsigned int) tilec->y1);
 668                 }
 669
 670                 w = int_ceildivpow2(x1 - x0, image->comps[i].factor);
 671                 h = int_ceildivpow2(y1 - y0, image->comps[i].factor);
 672
 673                 image->comps[i].w = w;
 674                 image->comps[i].h = h;
 675                 image->comps[i].x0 = x0;
 676                 image->comps[i].y0 = y0;
 677         }
 678 }
 679
 680 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) {
 681         int compno, resno, bandno, precno, cblkno;
 682         opj_tcp_t *tcp;
 683         opj_tcd_tile_t *tile;
 684
 685         OPJ_ARG_NOT_USED(cstr_info);
 686
 687         tcd->cp = cp;
 688
 689         tcp = &(cp->tcps[cp->tileno[tileno]]);
 690         tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
 691
 692         tileno = cp->tileno[tileno];
 693
 694         for (compno = 0; compno < tile->numcomps; compno++) {
 695                 opj_tccp_t *tccp = &tcp->tccps[compno];
 696                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 697
 698                 if (tccp->numresolutions <= 0)
 699                 {
 700                         cp->tileno[tileno] = -1;
 701                         return;
 702                 }
 703
 704                 /* border of each tile component (global) */
 705                 tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 706                 tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 707                 tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 708                 tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 709
 710                 tilec->numresolutions = tccp->numresolutions;
 711                 tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));
 712
 713                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 714                         int pdx, pdy;
 715                         int levelno = tilec->numresolutions - 1 - resno;
 716                         int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 717                         int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 718                         int cbgwidthexpn, cbgheightexpn;
 719                         int cblkwidthexpn, cblkheightexpn;
 720
 721                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 722
 723                         /* border for each resolution level (global) */
 724                         res->x0 = int_ceildivpow2(tilec->x0, levelno);
 725                         res->y0 = int_ceildivpow2(tilec->y0, levelno);
 726                         res->x1 = int_ceildivpow2(tilec->x1, levelno);
 727                         res->y1 = int_ceildivpow2(tilec->y1, levelno);
 728                         res->numbands = resno == 0 ? 1 : 3;
 729
 730                         /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 731                         if (tccp->csty & J2K_CCP_CSTY_PRT) {
 732                                 pdx = tccp->prcw[resno];
 733                                 pdy = tccp->prch[resno];
 734                         } else {
 735                                 pdx = 15;
 736                                 pdy = 15;
 737                         }
 738
 739                         /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 740                         tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 741                         tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 742                         brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 743                         brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 744
 745                         res->pw = (res->x0 == res->x1) ? 0 : ((brprcxend - tlprcxstart) >> pdx);
 746                         res->ph = (res->y0 == res->y1) ? 0 : ((brprcyend - tlprcystart) >> pdy);
 747
 748                         if (resno == 0) {
 749                                 tlcbgxstart = tlprcxstart;
 750                                 tlcbgystart = tlprcystart;
 751                                 brcbgxend = brprcxend;
 752                                 brcbgyend = brprcyend;
 753                                 cbgwidthexpn = pdx;
 754                                 cbgheightexpn = pdy;
 755                         } else {
 756                                 tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 757                                 tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 758                                 brcbgxend = int_ceildivpow2(brprcxend, 1);
 759                                 brcbgyend = int_ceildivpow2(brprcyend, 1);
 760                                 cbgwidthexpn = pdx - 1;
 761                                 cbgheightexpn = pdy - 1;
 762                         }
 763
 764                         cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 765                         cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 766
 767                         for (bandno = 0; bandno < res->numbands; bandno++) {
 768                                 int x0b, y0b;
 769                                 int gain, numbps;
 770                                 opj_stepsize_t *ss = NULL;
 771
 772                                 opj_tcd_band_t *band = &res->bands[bandno];
 773                                 band->bandno = resno == 0 ? 0 : bandno + 1;
 774                                 x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 775                                 y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 776
 777                                 if (band->bandno == 0) {
 778                                         /* band border (global) */
 779                                         band->x0 = int_ceildivpow2(tilec->x0, levelno);
 780                                         band->y0 = int_ceildivpow2(tilec->y0, levelno);
 781                                         band->x1 = int_ceildivpow2(tilec->x1, levelno);
 782                                         band->y1 = int_ceildivpow2(tilec->y1, levelno);
 783                                 } else {
 784                                         /* band border (global) */
 785                                         band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 786                                         band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 787                                         band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 788                                         band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 789                                 }
 790
 791                                 ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 792                                 gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 793                                 numbps = image->comps[compno].prec + gain;
 794                                 band->stepsize = (float)(((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn)) * 0.5);
 795                                 band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 796
 797                                 band->precincts = (opj_tcd_precinct_t *) opj_malloc(res->pw * res->ph * sizeof(opj_tcd_precinct_t));
 798
 799                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 800                                         int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 801                                         int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 802                                         int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 803                                         int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 804                                         int cbgyend = cbgystart + (1 << cbgheightexpn);
 805
 806                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 807                                         /* precinct size (global) */
 808                                         prc->x0 = int_max(cbgxstart, band->x0);
 809                                         prc->y0 = int_max(cbgystart, band->y0);
 810                                         prc->x1 = int_min(cbgxend, band->x1);
 811                                         prc->y1 = int_min(cbgyend, band->y1);
 812
 813                                         tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 814                                         tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 815                                         brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 816                                         brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 817                                         prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 818                                         prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 819
 820                                         prc->cblks.dec = (opj_tcd_cblk_dec_t*) opj_malloc(prc->cw * prc->ch * sizeof(opj_tcd_cblk_dec_t));
 821
 822                                         prc->incltree = tgt_create(prc->cw, prc->ch);
 823                                         prc->imsbtree = tgt_create(prc->cw, prc->ch);
 824
 825                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 826                                                 int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 827                                                 int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 828                                                 int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 829                                                 int cblkyend = cblkystart + (1 << cblkheightexpn);
 830
 831                                                 opj_tcd_cblk_dec_t* cblk = &prc->cblks.dec[cblkno];
 832                                                 cblk->data = NULL;
 833                                                 cblk->segs = NULL;
 834                                                 /* code-block size (global) */
 835                                                 cblk->x0 = int_max(cblkxstart, prc->x0);
 836                                                 cblk->y0 = int_max(cblkystart, prc->y0);
 837                                                 cblk->x1 = int_min(cblkxend, prc->x1);
 838                                                 cblk->y1 = int_min(cblkyend, prc->y1);
 839                                                 cblk->numsegs = 0;
 840                                         }
 841                                 } /* precno */
 842                         } /* bandno */
 843                 } /* resno */
 844         } /* compno */
 845         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 846 }
 847
 848 void tcd_makelayer_fixed(opj_tcd_t *tcd, int layno, int final) {
 849         int compno, resno, bandno, precno, cblkno;
 850         int value;                      /*, matrice[tcd_tcp->numlayers][tcd_tile->comps[0].numresolutions][3]; */
 851         int matrice[10][10][3];
 852         int i, j, k;
 853
 854         opj_cp_t *cp = tcd->cp;
 855         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
 856         opj_tcp_t *tcd_tcp = tcd->tcp;
 857
 858         /*matrice=(int*)opj_malloc(tcd_tcp->numlayers*tcd_tile->comps[0].numresolutions*3*sizeof(int)); */
 859
 860         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 861                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
 862                 for (i = 0; i < tcd_tcp->numlayers; i++) {
 863                         for (j = 0; j < tilec->numresolutions; j++) {
 864                                 for (k = 0; k < 3; k++) {
 865                                         matrice[i][j][k] =
 866                                                 (int) (cp->matrice[i * tilec->numresolutions * 3 + j * 3 + k]
 867                                                 * (float) (tcd->image->comps[compno].prec / 16.0));
 868                                 }
 869                         }
 870                 }
 871
 872                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 873                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 874                         for (bandno = 0; bandno < res->numbands; bandno++) {
 875                                 opj_tcd_band_t *band = &res->bands[bandno];
 876                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 877                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 878                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 879                                                 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
 880                                                 opj_tcd_layer_t *layer = &cblk->layers[layno];
 881                                                 int n;
 882                                                 int imsb = tcd->image->comps[compno].prec - cblk->numbps;       /* number of bit-plan equal to zero */
 883                                                 /* Correction of the matrix of coefficient to include the IMSB information */
 884                                                 if (layno == 0) {
 885                                                         value = matrice[layno][resno][bandno];
 886                                                         if (imsb >= value) {
 887                                                                 value = 0;
 888                                                         } else {
 889                                                                 value -= imsb;
 890                                                         }
 891                                                 } else {
 892                                                         value = matrice[layno][resno][bandno] - matrice[layno - 1][resno][bandno];
 893                                                         if (imsb >= matrice[layno - 1][resno][bandno]) {
 894                                                                 value -= (imsb - matrice[layno - 1][resno][bandno]);
 895                                                                 if (value < 0) {
 896                                                                         value = 0;
 897                                                                 }
 898                                                         }
 899                                                 }
 900
 901                                                 if (layno == 0) {
 902                                                         cblk->numpassesinlayers = 0;
 903                                                 }
 904
 905                                                 n = cblk->numpassesinlayers;
 906                                                 if (cblk->numpassesinlayers == 0) {
 907                                                         if (value != 0) {
 908                                                                 n = 3 * value - 2 + cblk->numpassesinlayers;
 909                                                         } else {
 910                                                                 n = cblk->numpassesinlayers;
 911                                                         }
 912                                                 } else {
 913                                                         n = 3 * value + cblk->numpassesinlayers;
 914                                                 }
 915
 916                                                 layer->numpasses = n - cblk->numpassesinlayers;
 917
 918                                                 if (!layer->numpasses)
 919                                                         continue;
 920
 921                                                 if (cblk->numpassesinlayers == 0) {
 922                                                         layer->len = cblk->passes[n - 1].rate;
 923                                                         layer->data = cblk->data;
 924                                                 } else {
 925                                                         layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
 926                                                         layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
 927                                                 }
 928                                                 if (final)
 929                                                         cblk->numpassesinlayers = n;
 930                                         }
 931                                 }
 932                         }
 933                 }
 934         }
 935 }
 936
 937 void tcd_rateallocate_fixed(opj_tcd_t *tcd) {
 938         int layno;
 939         for (layno = 0; layno < tcd->tcp->numlayers; layno++) {
 940                 tcd_makelayer_fixed(tcd, layno, 1);
 941         }
 942 }
 943
 944 void tcd_makelayer(opj_tcd_t *tcd, int layno, double thresh, int final) {
 945         int compno, resno, bandno, precno, cblkno, passno;
 946
 947         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
 948
 949         tcd_tile->distolayer[layno] = 0;        /* fixed_quality */
 950
 951         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 952                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
 953                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 954                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 955                         for (bandno = 0; bandno < res->numbands; bandno++) {
 956                                 opj_tcd_band_t *band = &res->bands[bandno];
 957                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 958                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 959                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 960                                                 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
 961                                                 opj_tcd_layer_t *layer = &cblk->layers[layno];
 962
 963                                                 int n;
 964                                                 if (layno == 0) {
 965                                                         cblk->numpassesinlayers = 0;
 966                                                 }
 967                                                 n = cblk->numpassesinlayers;
 968                                                 for (passno = cblk->numpassesinlayers; passno < cblk->totalpasses; passno++) {
 969                                                         int dr;
 970                                                         double dd;
 971                                                         opj_tcd_pass_t *pass = &cblk->passes[passno];
 972                                                         if (n == 0) {
 973                                                                 dr = pass->rate;
 974                                                                 dd = pass->distortiondec;
 975                                                         } else {
 976                                                                 dr = pass->rate - cblk->passes[n - 1].rate;
 977                                                                 dd = pass->distortiondec - cblk->passes[n - 1].distortiondec;
 978                                                         }
 979                                                         if (!dr) {
 980                                                                 if (dd != 0)
 981                                                                         n = passno + 1;
 982                                                                 continue;
 983                                                         }
 984                                                         if (dd / dr >= thresh)
 985                                                                 n = passno + 1;
 986                                                 }
 987                                                 layer->numpasses = n - cblk->numpassesinlayers;
 988
 989                                                 if (!layer->numpasses) {
 990                                                         layer->disto = 0;
 991                                                         continue;
 992                                                 }
 993                                                 if (cblk->numpassesinlayers == 0) {
 994                                                         layer->len = cblk->passes[n - 1].rate;
 995                                                         layer->data = cblk->data;
 996                                                         layer->disto = cblk->passes[n - 1].distortiondec;
 997                                                 } else {
 998                                                         layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
 999                                                         layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
1000                                                         layer->disto = cblk->passes[n - 1].distortiondec - cblk->passes[cblk->numpassesinlayers - 1].distortiondec;
1001                                                 }
1002
1003                                                 tcd_tile->distolayer[layno] += layer->disto;    /* fixed_quality */
1004
1005                                                 if (final)
1006                                                         cblk->numpassesinlayers = n;
1007                                         }
1008                                 }
1009                         }
1010                 }
1011         }
1012 }
1013
1014 opj_bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_codestream_info_t *cstr_info) {
1015         int compno, resno, bandno, precno, cblkno, passno, layno;
1016         double min, max;
1017         double cumdisto[100];   /* fixed_quality */
1018         const double K = 1;             /* 1.1; fixed_quality */
1019         double maxSE = 0;
1020
1021         opj_cp_t *cp = tcd->cp;
1022         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
1023         opj_tcp_t *tcd_tcp = tcd->tcp;
1024
1025         min = DBL_MAX;
1026         max = 0;
1027
1028         tcd_tile->numpix = 0;           /* fixed_quality */
1029
1030         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
1031                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
1032                 tilec->numpix = 0;
1033
1034                 for (resno = 0; resno < tilec->numresolutions; resno++) {
1035                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1036
1037                         for (bandno = 0; bandno < res->numbands; bandno++) {
1038                                 opj_tcd_band_t *band = &res->bands[bandno];
1039
1040                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
1041                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
1042
1043                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
1044                                                 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
1045
1046                                                 for (passno = 0; passno < cblk->totalpasses; passno++) {
1047                                                         opj_tcd_pass_t *pass = &cblk->passes[passno];
1048                                                         int dr;
1049                                                         double dd, rdslope;
1050                                                         if (passno == 0) {
1051                                                                 dr = pass->rate;
1052                                                                 dd = pass->distortiondec;
1053                                                         } else {
1054                                                                 dr = pass->rate - cblk->passes[passno - 1].rate;
1055                                                                 dd = pass->distortiondec - cblk->passes[passno - 1].distortiondec;
1056                                                         }
1057                                                         if (dr == 0) {
1058                                                                 continue;
1059                                                         }
1060                                                         rdslope = dd / dr;
1061                                                         if (rdslope < min) {
1062                                                                 min = rdslope;
1063                                                         }
1064                                                         if (rdslope > max) {
1065                                                                 max = rdslope;
1066                                                         }
1067                                                 } /* passno */
1068
1069                                                 /* fixed_quality */
1070                                                 tcd_tile->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1071                                                 tilec->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1072                                         } /* cbklno */
1073                                 } /* precno */
1074                         } /* bandno */
1075                 } /* resno */
1076
1077                 maxSE += (((double)(1 << tcd->image->comps[compno].prec) - 1.0)
1078                         * ((double)(1 << tcd->image->comps[compno].prec) -1.0))
1079                         * ((double)(tilec->numpix));
1080         } /* compno */
1081
1082         /* index file */
1083         if(cstr_info) {
1084                 opj_tile_info_t *tile_info = &cstr_info->tile[tcd->tcd_tileno];
1085                 tile_info->numpix = tcd_tile->numpix;
1086                 tile_info->distotile = tcd_tile->distotile;
1087                 tile_info->thresh = (double *) opj_malloc(tcd_tcp->numlayers * sizeof(double));
1088         }
1089
1090         for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
1091                 double lo = min;
1092                 double hi = max;
1093                 int success = 0;
1094                 int maxlen = tcd_tcp->rates[layno] ? int_min(((int) ceil(tcd_tcp->rates[layno])), len) : len;
1095                 double goodthresh = 0;
1096                 double stable_thresh = 0;
1097                 int i;
1098                 double distotarget;             /* fixed_quality */
1099
1100                 /* fixed_quality */
1101                 distotarget = tcd_tile->distotile - ((K * maxSE) / pow((float)10, tcd_tcp->distoratio[layno] / 10));
1102
1103                 /* Don't try to find an optimal threshold but rather take everything not included yet, if
1104                   -r xx,yy,zz,0   (disto_alloc == 1 and rates == 0)
1105                   -q xx,yy,zz,0   (fixed_quality == 1 and distoratio == 0)
1106                   ==> possible to have some lossy layers and the last layer for sure lossless */
1107                 if ( ((cp->disto_alloc==1) && (tcd_tcp->rates[layno]>0)) || ((cp->fixed_quality==1) && (tcd_tcp->distoratio[layno]>0))) {
1108                         opj_t2_t *t2 = t2_create(tcd->cinfo, tcd->image, cp);
1109                         double thresh = 0;
1110
1111                         for (i = 0; i < 128; i++) {
1112                                 int l = 0;
1113                                 double distoachieved = 0;       /* fixed_quality */
1114                                 thresh = (lo + hi) / 2;
1115
1116                                 tcd_makelayer(tcd, layno, thresh, 0);
1117
1118                                 if (cp->fixed_quality) {        /* fixed_quality */
1119                                         if(cp->cinema){
1120                                                 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, tcd->cur_totnum_tp);
1121                                                 if (l == -999) {
1122                                                         lo = thresh;
1123                                                         continue;
1124                                                 }else{
1125                         distoachieved = layno == 0 ?
1126                                                         tcd_tile->distolayer[0] : cumdisto[layno - 1] + tcd_tile->distolayer[layno];
1127                                                         if (distoachieved < distotarget) {
1128                                                                 hi=thresh;
1129                                                                 stable_thresh = thresh;
1130                                                                 continue;
1131                                                         }else{
1132                                                                 lo=thresh;
1133                                                         }
1134                                                 }
1135                                         }else{
1136                                                 distoachieved = (layno == 0) ?
1137                                                         tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
1138                                                 if (distoachieved < distotarget) {
1139                                                         hi = thresh;
1140                                                         stable_thresh = thresh;
1141                                                         continue;
1142                                                 }
1143                                                 lo = thresh;
1144                                         }
1145                                 } else {
1146                                         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, tcd->cur_totnum_tp);
1147                                         /* TODO: what to do with l ??? seek / tell ??? */
1148                                         /* opj_event_msg(tcd->cinfo, EVT_INFO, "rate alloc: len=%d, max=%d\n", l, maxlen); */
1149                                         if (l == -999) {
1150                                                 lo = thresh;
1151                                                 continue;
1152                                         }
1153                                         hi = thresh;
1154                                         stable_thresh = thresh;
1155                                 }
1156                         }
1157                         success = 1;
1158                         goodthresh = stable_thresh == 0? thresh : stable_thresh;
1159                         t2_destroy(t2);
1160                 } else {
1161                         success = 1;
1162                         goodthresh = min;
1163                 }
1164
1165                 if (!success) {
1166                         return OPJ_FALSE;
1167                 }
1168
1169                 if(cstr_info) { /* Threshold for Marcela Index */
1170                         cstr_info->tile[tcd->tcd_tileno].thresh[layno] = goodthresh;
1171                 }
1172                 tcd_makelayer(tcd, layno, goodthresh, 1);
1173
1174                 /* fixed_quality */
1175                 cumdisto[layno] = (layno == 0) ? tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
1176         }
1177
1178         return OPJ_TRUE;
1179 }
1180
1181 int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len, opj_codestream_info_t *cstr_info) {
1182         int compno;
1183         int l, i, numpacks = 0;
1184         opj_tcd_tile_t *tile = NULL;
1185         opj_tcp_t *tcd_tcp = NULL;
1186         opj_cp_t *cp = NULL;
1187
1188         opj_tcp_t *tcp = &tcd->cp->tcps[0];
1189         opj_tccp_t *tccp = &tcp->tccps[0];
1190         opj_image_t *image = tcd->image;
1191
1192         opj_t1_t *t1 = NULL;            /* T1 component */
1193         opj_t2_t *t2 = NULL;            /* T2 component */
1194
1195         tcd->tcd_tileno = tileno;
1196         tcd->tcd_tile = tcd->tcd_image->tiles;
1197         tcd->tcp = &tcd->cp->tcps[tileno];
1198
1199         tile = tcd->tcd_tile;
1200         tcd_tcp = tcd->tcp;
1201         cp = tcd->cp;
1202
1203         if(tcd->cur_tp_num == 0){
1204                 tcd->encoding_time = opj_clock();       /* time needed to encode a tile */
1205                 /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
1206                 if(cstr_info) {
1207                         opj_tcd_tilecomp_t *tilec_idx = &tile->comps[0];        /* based on component 0 */
1208                         for (i = 0; i < tilec_idx->numresolutions; i++) {
1209                                 opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];
1210
1211                                 cstr_info->tile[tileno].pw[i] = res_idx->pw;
1212                                 cstr_info->tile[tileno].ph[i] = res_idx->ph;
1213
1214                                 numpacks += res_idx->pw * res_idx->ph;
1215
1216                                 cstr_info->tile[tileno].pdx[i] = tccp->prcw[i];
1217                                 cstr_info->tile[tileno].pdy[i] = tccp->prch[i];
1218                         }
1219                         cstr_info->tile[tileno].packet = (opj_packet_info_t*) opj_calloc(cstr_info->numcomps * cstr_info->numlayers * numpacks, sizeof(opj_packet_info_t));
1220                 }
1221                 /* << INDEX */
1222
1223                 /*---------------TILE-------------------*/
1224
1225                 for (compno = 0; compno < tile->numcomps; compno++) {
1226                         int x, y;
1227
1228                         int adjust = image->comps[compno].sgnd ? 0 : 1 << (image->comps[compno].prec - 1);
1229                         int offset_x = int_ceildiv(image->x0, image->comps[compno].dx);
1230                         int offset_y = int_ceildiv(image->y0, image->comps[compno].dy);
1231
1232                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1233                         int tw = tilec->x1 - tilec->x0;
1234                         int w = int_ceildiv(image->x1 - image->x0, image->comps[compno].dx);
1235
1236                         /* extract tile data */
1237
1238                         if (tcd_tcp->tccps[compno].qmfbid == 1) {
1239                                 for (y = tilec->y0; y < tilec->y1; y++) {
1240                                         /* start of the src tile scanline */
1241                                         int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1242                                         /* start of the dst tile scanline */
1243                                         int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1244                                         for (x = tilec->x0; x < tilec->x1; x++) {
1245                                                 *tile_data++ = *data++ - adjust;
1246                                         }
1247                                 }
1248                         } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1249                                 for (y = tilec->y0; y < tilec->y1; y++) {
1250                                         /* start of the src tile scanline */
1251                                         int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1252                                         /* start of the dst tile scanline */
1253                                         int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1254                                         for (x = tilec->x0; x < tilec->x1; x++) {
1255                                                 *tile_data++ = (*data++ - adjust) << 11;
1256                                         }
1257
1258                                 }
1259                         }
1260                 }
1261
1262                 /*----------------MCT-------------------*/
1263                 if (tcd_tcp->mct) {
1264                         int samples = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
1265                         if (tcd_tcp->tccps[0].qmfbid == 0) {
1266                                 mct_encode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1267                         } else {
1268                                 mct_encode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1269                         }
1270                 }
1271
1272                 /*----------------DWT---------------------*/
1273
1274                 for (compno = 0; compno < tile->numcomps; compno++) {
1275                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1276                         if (tcd_tcp->tccps[compno].qmfbid == 1) {
1277                                 dwt_encode(tilec);
1278                         } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1279                                 dwt_encode_real(tilec);
1280                         }
1281                 }
1282
1283                 /*------------------TIER1-----------------*/
1284                 t1 = t1_create(tcd->cinfo);
1285                 t1_encode_cblks(t1, tile, tcd_tcp);
1286                 t1_destroy(t1);
1287
1288                 /*-----------RATE-ALLOCATE------------------*/
1289
1290                 /* INDEX */
1291                 if(cstr_info) {
1292                         cstr_info->index_write = 0;
1293                 }
1294                 if (cp->disto_alloc || cp->fixed_quality) {     /* fixed_quality */
1295                         /* Normal Rate/distortion allocation */
1296                         tcd_rateallocate(tcd, dest, len, cstr_info);
1297                 } else {
1298                         /* Fixed layer allocation */
1299                         tcd_rateallocate_fixed(tcd);
1300                 }
1301         }
1302         /*--------------TIER2------------------*/
1303
1304         /* INDEX */
1305         if(cstr_info) {
1306                 cstr_info->index_write = 1;
1307         }
1308
1309         t2 = t2_create(tcd->cinfo, image, cp);
1310         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,tcd->cur_totnum_tp);
1311         t2_destroy(t2);
1312
1313         /*---------------CLEAN-------------------*/
1314
1315
1316         if(tcd->cur_tp_num == tcd->cur_totnum_tp - 1){
1317                 tcd->encoding_time = opj_clock() - tcd->encoding_time;
1318                 opj_event_msg(tcd->cinfo, EVT_INFO, "- tile encoded in %f s\n", tcd->encoding_time);
1319
1320                 /* cleaning memory */
1321                 for (compno = 0; compno < tile->numcomps; compno++) {
1322                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1323                         opj_aligned_free(tilec->data);
1324                 }
1325         }
1326
1327         return l;
1328 }
1329
1330 opj_bool tcd_decode_tile(opj_tcd_t *tcd, unsigned char *src, int len, int tileno, opj_codestream_info_t *cstr_info) {
1331         int l;
1332         int compno;
1333         int eof = 0;
1334         double tile_time, t1_time, dwt_time;
1335         opj_tcd_tile_t *tile = NULL;
1336
1337         opj_t1_t *t1 = NULL;            /* T1 component */
1338         opj_t2_t *t2 = NULL;            /* T2 component */
1339
1340         tcd->tcd_tileno = tileno;
1341         tcd->tcd_tile = &(tcd->tcd_image->tiles[tileno]);
1342         tcd->tcp = &(tcd->cp->tcps[tileno]);
1343         tile = tcd->tcd_tile;
1344
1345         tile_time = opj_clock();        /* time needed to decode a tile */
1346         opj_event_msg(tcd->cinfo, EVT_INFO, "tile %d of %d\n", tileno + 1, tcd->cp->tw * tcd->cp->th);
1347
1348         /* INDEX >>  */
1349         if(cstr_info) {
1350                 int resno, compno, numprec = 0;
1351                 for (compno = 0; compno < cstr_info->numcomps; compno++) {
1352                         opj_tcp_t *tcp = &tcd->cp->tcps[0];
1353                         opj_tccp_t *tccp = &tcp->tccps[compno];
1354                         opj_tcd_tilecomp_t *tilec_idx = &tile->comps[compno];
1355                         for (resno = 0; resno < tilec_idx->numresolutions; resno++) {
1356                                 opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[resno];
1357                                 cstr_info->tile[tileno].pw[resno] = res_idx->pw;
1358                                 cstr_info->tile[tileno].ph[resno] = res_idx->ph;
1359                                 numprec += res_idx->pw * res_idx->ph;
1360                                 if (tccp->csty & J2K_CP_CSTY_PRT) {
1361                                         cstr_info->tile[tileno].pdx[resno] = tccp->prcw[resno];
1362                                         cstr_info->tile[tileno].pdy[resno] = tccp->prch[resno];
1363                                 }
1364                                 else {
1365                                         cstr_info->tile[tileno].pdx[resno] = 15;
1366                                         cstr_info->tile[tileno].pdy[resno] = 15;
1367                                 }
1368                         }
1369                 }
1370                 cstr_info->tile[tileno].packet = (opj_packet_info_t *) opj_malloc(cstr_info->numlayers * numprec * sizeof(opj_packet_info_t));
1371                 cstr_info->packno = 0;
1372         }
1373         /* << INDEX */
1374
1375         /*--------------TIER2------------------*/
1376
1377         t2 = t2_create(tcd->cinfo, tcd->image, tcd->cp);
1378         l = t2_decode_packets(t2, src, len, tileno, tile, cstr_info);
1379         t2_destroy(t2);
1380
1381         if (l == -999) {
1382                 eof = 1;
1383                 opj_event_msg(tcd->cinfo, EVT_ERROR, "tcd_decode: incomplete bistream\n");
1384         }
1385
1386         /*------------------TIER1-----------------*/
1387
1388         t1_time = opj_clock();  /* time needed to decode a tile */
1389         t1 = t1_create(tcd->cinfo);
1390     if (t1 == NULL)
1391     {
1392         opj_event_msg(tcd->cinfo, EVT_ERROR, "Out of memory\n");
1393         t1_destroy(t1);
1394         return OPJ_FALSE;
1395     }
1396
1397         for (compno = 0; compno < tile->numcomps; ++compno) {
1398                 opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
1399                 /* The +3 is headroom required by the vectorized DWT */
1400                 tilec->data = (int*) opj_aligned_malloc((((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0))+3) * sizeof(int));
1401         if (tilec->data == NULL)
1402         {
1403             opj_event_msg(tcd->cinfo, EVT_ERROR, "Out of memory\n");
1404             return OPJ_FALSE;
1405         }
1406
1407                 t1_decode_cblks(t1, tilec, &tcd->tcp->tccps[compno]);
1408         }
1409         t1_destroy(t1);
1410         t1_time = opj_clock() - t1_time;
1411         opj_event_msg(tcd->cinfo, EVT_INFO, "- tiers-1 took %f s\n", t1_time);
1412
1413         /*----------------DWT---------------------*/
1414
1415         dwt_time = opj_clock(); /* time needed to decode a tile */
1416         for (compno = 0; compno < tile->numcomps; compno++) {
1417                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1418                 int numres2decode;
1419
1420                 if (tcd->cp->reduce != 0) {
1421                         if ( tile->comps[compno].numresolutions < ( tcd->cp->reduce - 1 ) ) {
1422                                 opj_event_msg(tcd->cinfo, EVT_ERROR, "Error decoding tile. The number of resolutions to remove [%d+1] is higher than the number "
1423                                         " of resolutions in the original codestream [%d]\nModify the cp_reduce parameter.\n", tcd->cp->reduce, tile->comps[compno].numresolutions);
1424                                 return OPJ_FALSE;
1425                         }
1426       else {
1427                         tcd->image->comps[compno].resno_decoded =
1428                                 tile->comps[compno].numresolutions - tcd->cp->reduce - 1;
1429       }
1430                 }
1431
1432                 numres2decode = tcd->image->comps[compno].resno_decoded + 1;
1433                 if(numres2decode > 0){
1434                         if (tcd->tcp->tccps[compno].qmfbid == 1) {
1435                                 dwt_decode(tilec, numres2decode);
1436                         } else {
1437                                 dwt_decode_real(tilec, numres2decode);
1438                         }
1439                 }
1440         }
1441         dwt_time = opj_clock() - dwt_time;
1442         opj_event_msg(tcd->cinfo, EVT_INFO, "- dwt took %f s\n", dwt_time);
1443
1444         /*----------------MCT-------------------*/
1445
1446         if (tcd->tcp->mct) {
1447                 int n = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
1448
1449                 if (tile->numcomps >= 3 ){
1450                         if (tcd->tcp->tccps[0].qmfbid == 1) {
1451                                 mct_decode(
1452                                                 tile->comps[0].data,
1453                                                 tile->comps[1].data,
1454                                                 tile->comps[2].data,
1455                                                 n);
1456                         } else {
1457                                 mct_decode_real(
1458                                                 (float*)tile->comps[0].data,
1459                                                 (float*)tile->comps[1].data,
1460                                                 (float*)tile->comps[2].data,
1461                                                 n);
1462                         }
1463                 } else{
1464                         opj_event_msg(tcd->cinfo, EVT_WARNING,"Number of components (%d) is inconsistent with a MCT. Skip the MCT step.\n",tile->numcomps);
1465                 }
1466         }
1467
1468         /*---------------TILE-------------------*/
1469
1470         for (compno = 0; compno < tile->numcomps; ++compno) {
1471                 opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
1472                 opj_image_comp_t* imagec = &tcd->image->comps[compno];
1473                 opj_tcd_resolution_t* res = &tilec->resolutions[imagec->resno_decoded];
1474                 int adjust = imagec->sgnd ? 0 : 1 << (imagec->prec - 1);
1475                 int min = imagec->sgnd ? -(1 << (imagec->prec - 1)) : 0;
1476                 int max = imagec->sgnd ?  (1 << (imagec->prec - 1)) - 1 : (1 << imagec->prec) - 1;
1477
1478                 int tw = tilec->x1 - tilec->x0;
1479                 int w = imagec->w;
1480
1481                 int offset_x = int_ceildivpow2(imagec->x0, imagec->factor);
1482                 int offset_y = int_ceildivpow2(imagec->y0, imagec->factor);
1483
1484                 int i, j;
1485                 if(!imagec->data){
1486                         imagec->data = (int*) opj_malloc(imagec->w * imagec->h * sizeof(int));
1487                 }
1488         if (!imagec->data)
1489         {
1490             opj_event_msg(tcd->cinfo, EVT_ERROR, "Out of memory\n");
1491             return OPJ_FALSE;
1492         }
1493                 if(tcd->tcp->tccps[compno].qmfbid == 1) {
1494                         for(j = res->y0; j < res->y1; ++j) {
1495                                 for(i = res->x0; i < res->x1; ++i) {
1496                                         int v = tilec->data[i - res->x0 + (j - res->y0) * tw];
1497                                         v += adjust;
1498                                         imagec->data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
1499                                 }
1500                         }
1501                 }else{
1502                         for(j = res->y0; j < res->y1; ++j) {
1503                                 for(i = res->x0; i < res->x1; ++i) {
1504                                         float tmp = ((float*)tilec->data)[i - res->x0 + (j - res->y0) * tw];
1505                                         int v = lrintf(tmp);
1506                                         v += adjust;
1507                                         imagec->data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
1508                                 }
1509                         }
1510                 }
1511                 opj_aligned_free(tilec->data);
1512         }
1513
1514         tile_time = opj_clock() - tile_time;    /* time needed to decode a tile */
1515         opj_event_msg(tcd->cinfo, EVT_INFO, "- tile decoded in %f s\n", tile_time);
1516
1517         if (eof) {
1518                 return OPJ_FALSE;
1519         }
1520
1521         return OPJ_TRUE;
1522 }
1523
1524 void tcd_free_decode(opj_tcd_t *tcd) {
1525         opj_tcd_image_t *tcd_image = tcd->tcd_image;
1526     int i = 0;
1527     for (i = 0; i < tcd_image->tw * tcd_image->th; i++)
1528     {
1529         tcd_free_decode_tile(tcd, i);
1530     }
1531
1532         opj_free(tcd_image->tiles);
1533 }
1534
1535 void tcd_free_decode_tile(opj_tcd_t *tcd, int tileno) {
1536     int compno,resno,bandno,precno,cblkno;
1537
1538         opj_tcd_image_t *tcd_image = tcd->tcd_image;
1539
1540         opj_tcd_tile_t *tile = &tcd_image->tiles[tileno];
1541     if (tile->comps != NULL) {
1542         for (compno = 0; compno < tile->numcomps; compno++) {
1543             opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1544             for (resno = 0; resno < tilec->numresolutions; resno++) {
1545                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1546                 for (bandno = 0; bandno < res->numbands; bandno++) {
1547                     opj_tcd_band_t *band = &res->bands[bandno];
1548                     for (precno = 0; precno < res->ph * res->pw; precno++) {
1549                         opj_tcd_precinct_t *prec = &band->precincts[precno];
1550                         if (prec->cblks.dec != NULL) {
1551                             for (cblkno = 0; cblkno < prec->cw * prec->ch; ++cblkno) {
1552                                 opj_tcd_cblk_dec_t* cblk = &prec->cblks.dec[cblkno];
1553                                 opj_free(cblk->data);
1554                                 opj_free(cblk->segs);
1555                             }
1556                             opj_free(prec->cblks.dec);
1557                         }
1558                         if (prec->imsbtree != NULL) tgt_destroy(prec->imsbtree);
1559                         if (prec->incltree != NULL) tgt_destroy(prec->incltree);
1560
1561
1562                     }
1563                     opj_free(band->precincts);
1564                                 }
1565                         }
1566             opj_free(tilec->resolutions);
1567                 }
1568         opj_free(tile->comps);
1569         tile->comps = NULL;
1570         }
1571 }
1572
1573
1574