libopenjpeg/tcd.c

   1 /*
   2  * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
   3  * Copyright (c) 2002-2007, Professor Benoit Macq
   4  * Copyright (c) 2001-2003, David Janssens
   5  * Copyright (c) 2002-2003, Yannick Verschueren
   6  * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
   7  * Copyright (c) 2005, Herve Drolon, FreeImage Team
   8  * Copyright (c) 2006-2007, Parvatha Elangovan
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
  21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  24  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  30  * POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include "opj_includes.h"
  34
  35 void tcd_dump(FILE *fd, opj_tcd_t *tcd, opj_tcd_image_t * img) {
  36         int tileno, compno, resno, bandno, precno;/*, cblkno;*/
  37
  38         fprintf(fd, "image {\n");
  39         fprintf(fd, "  tw=%d, th=%d x0=%d x1=%d y0=%d y1=%d\n",
  40                 img->tw, img->th, tcd->image->x0, tcd->image->x1, tcd->image->y0, tcd->image->y1);
  41
  42         for (tileno = 0; tileno < img->th * img->tw; tileno++) {
  43                 opj_tcd_tile_t *tile = &tcd->tcd_image->tiles[tileno];
  44                 fprintf(fd, "  tile {\n");
  45                 fprintf(fd, "    x0=%d, y0=%d, x1=%d, y1=%d, numcomps=%d\n",
  46                         tile->x0, tile->y0, tile->x1, tile->y1, tile->numcomps);
  47                 for (compno = 0; compno < tile->numcomps; compno++) {
  48                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
  49                         fprintf(fd, "    tilec {\n");
  50                         fprintf(fd,
  51                                 "      x0=%d, y0=%d, x1=%d, y1=%d, numresolutions=%d\n",
  52                                 tilec->x0, tilec->y0, tilec->x1, tilec->y1, tilec->numresolutions);
  53                         for (resno = 0; resno < tilec->numresolutions; resno++) {
  54                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
  55                                 fprintf(fd, "\n   res {\n");
  56                                 fprintf(fd,
  57                                         "          x0=%d, y0=%d, x1=%d, y1=%d, pw=%d, ph=%d, numbands=%d\n",
  58                                         res->x0, res->y0, res->x1, res->y1, res->pw, res->ph, res->numbands);
  59                                 for (bandno = 0; bandno < res->numbands; bandno++) {
  60                                         opj_tcd_band_t *band = &res->bands[bandno];
  61                                         fprintf(fd, "        band {\n");
  62                                         fprintf(fd,
  63                                                 "          x0=%d, y0=%d, x1=%d, y1=%d, stepsize=%f, numbps=%d\n",
  64                                                 band->x0, band->y0, band->x1, band->y1, band->stepsize, band->numbps);
  65                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
  66                                                 opj_tcd_precinct_t *prec = &band->precincts[precno];
  67                                                 fprintf(fd, "          prec {\n");
  68                                                 fprintf(fd,
  69                                                         "            x0=%d, y0=%d, x1=%d, y1=%d, cw=%d, ch=%d\n",
  70                                                         prec->x0, prec->y0, prec->x1, prec->y1, prec->cw, prec->ch);
  71                                                 /*
  72                                                 for (cblkno = 0; cblkno < prec->cw * prec->ch; cblkno++) {
  73                                                         opj_tcd_cblk_t *cblk = &prec->cblks[cblkno];
  74                                                         fprintf(fd, "            cblk {\n");
  75                                                         fprintf(fd,
  76                                                                 "              x0=%d, y0=%d, x1=%d, y1=%d\n",
  77                                                                 cblk->x0, cblk->y0, cblk->x1, cblk->y1);
  78                                                         fprintf(fd, "            }\n");
  79                                                 }
  80                                                 */
  81                                                 fprintf(fd, "          }\n");
  82                                         }
  83                                         fprintf(fd, "        }\n");
  84                                 }
  85                                 fprintf(fd, "      }\n");
  86                         }
  87                         fprintf(fd, "    }\n");
  88                 }
  89                 fprintf(fd, "  }\n");
  90         }
  91         fprintf(fd, "}\n");
  92 }
  93
  94 /* ----------------------------------------------------------------------- */
  95
  96 /**
  97 Create a new TCD handle
  98 */
  99 opj_tcd_t* tcd_create(opj_common_ptr cinfo) {
 100         /* create the tcd structure */
 101         opj_tcd_t *tcd = (opj_tcd_t*)opj_malloc(sizeof(opj_tcd_t));
 102         if(!tcd) return NULL;
 103         tcd->cinfo = cinfo;
 104         tcd->tcd_image = (opj_tcd_image_t*)opj_malloc(sizeof(opj_tcd_image_t));
 105         if(!tcd->tcd_image) {
 106                 opj_free(tcd);
 107                 return NULL;
 108         }
 109
 110         return tcd;
 111 }
 112
 113 /**
 114 Destroy a previously created TCD handle
 115 */
 116 void tcd_destroy(opj_tcd_t *tcd) {
 117         if(tcd) {
 118                 opj_free(tcd->tcd_image);
 119                 opj_free(tcd);
 120         }
 121 }
 122
 123 /* ----------------------------------------------------------------------- */
 124
 125 void tcd_malloc_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno) {
 126         int tileno, compno, resno, bandno, precno, cblkno;
 127
 128         tcd->image = image;
 129         tcd->cp = cp;
 130         tcd->tcd_image->tw = cp->tw;
 131         tcd->tcd_image->th = cp->th;
 132         tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_malloc(sizeof(opj_tcd_tile_t));
 133
 134         for (tileno = 0; tileno < 1; tileno++) {
 135                 opj_tcp_t *tcp = &cp->tcps[curtileno];
 136                 int j;
 137
 138                 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 139                 int p = curtileno % cp->tw;     /* si numerotation matricielle .. */
 140                 int q = curtileno / cp->tw;     /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
 141
 142                 /* opj_tcd_tile_t *tile=&tcd->tcd_image->tiles[tileno]; */
 143                 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
 144
 145                 /* 4 borders of the tile rescale on the image if necessary */
 146                 tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 147                 tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 148                 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 149                 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 150                 tile->numcomps = image->numcomps;
 151                 /* tile->PPT=image->PPT;  */
 152
 153                 /* Modification of the RATE >> */
 154                 for (j = 0; j < tcp->numlayers; j++) {
 155                         tcp->rates[j] = tcp->rates[j] ?
 156                                 cp->tp_on ?
 157                                         (((float) (tile->numcomps
 158                                         * (tile->x1 - tile->x0)
 159                                         * (tile->y1 - tile->y0)
 160                                         * image->comps[0].prec))
 161                                         /(tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)) - (((tcd->cur_totnum_tp - 1) * 14 )/ tcp->numlayers)
 162                                         :
 163                                 ((float) (tile->numcomps
 164                                         * (tile->x1 - tile->x0)
 165                                         * (tile->y1 - tile->y0)
 166                                         * image->comps[0].prec))/
 167                                         (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)
 168                                         : 0;
 169
 170                         if (tcp->rates[j]) {
 171                                 if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
 172                                         tcp->rates[j] = tcp->rates[j - 1] + 20;
 173                                 } else {
 174                                         if (!j && tcp->rates[j] < 30)
 175                                                 tcp->rates[j] = 30;
 176                                 }
 177
 178                                 if(j == (tcp->numlayers-1)){
 179                                         tcp->rates[j] = tcp->rates[j]- 2;
 180                                 }
 181                         }
 182                 }
 183                 /* << Modification of the RATE */
 184
 185                 tile->comps = (opj_tcd_tilecomp_t *) opj_malloc(image->numcomps * sizeof(opj_tcd_tilecomp_t));
 186                 for (compno = 0; compno < tile->numcomps; compno++) {
 187                         opj_tccp_t *tccp = &tcp->tccps[compno];
 188
 189                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 190
 191                         /* border of each tile component (global) */
 192                         tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 193                         tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 194                         tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 195                         tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 196
 197                         tilec->data = (int *) opj_aligned_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
 198                         tilec->numresolutions = tccp->numresolutions;
 199
 200                         tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));
 201
 202                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 203                                 int pdx, pdy;
 204                                 int levelno = tilec->numresolutions - 1 - resno;
 205                                 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 206                                 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 207                                 int cbgwidthexpn, cbgheightexpn;
 208                                 int cblkwidthexpn, cblkheightexpn;
 209
 210                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 211
 212                                 /* border for each resolution level (global) */
 213                                 res->x0 = int_ceildivpow2(tilec->x0, levelno);
 214                                 res->y0 = int_ceildivpow2(tilec->y0, levelno);
 215                                 res->x1 = int_ceildivpow2(tilec->x1, levelno);
 216                                 res->y1 = int_ceildivpow2(tilec->y1, levelno);
 217
 218                                 res->numbands = resno == 0 ? 1 : 3;
 219                                 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 220                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 221                                         pdx = tccp->prcw[resno];
 222                                         pdy = tccp->prch[resno];
 223                                 } else {
 224                                         pdx = 15;
 225                                         pdy = 15;
 226                                 }
 227                                 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 228                                 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 229                                 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 230
 231                                 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 232                                 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 233
 234                                 res->pw = (brprcxend - tlprcxstart) >> pdx;
 235                                 res->ph = (brprcyend - tlprcystart) >> pdy;
 236
 237                                 if (resno == 0) {
 238                                         tlcbgxstart = tlprcxstart;
 239                                         tlcbgystart = tlprcystart;
 240                                         brcbgxend = brprcxend;
 241                                         brcbgyend = brprcyend;
 242                                         cbgwidthexpn = pdx;
 243                                         cbgheightexpn = pdy;
 244                                 } else {
 245                                         tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 246                                         tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 247                                         brcbgxend = int_ceildivpow2(brprcxend, 1);
 248                                         brcbgyend = int_ceildivpow2(brprcyend, 1);
 249                                         cbgwidthexpn = pdx - 1;
 250                                         cbgheightexpn = pdy - 1;
 251                                 }
 252
 253                                 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 254                                 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 255
 256                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 257                                         int x0b, y0b, i;
 258                                         int gain, numbps;
 259                                         opj_stepsize_t *ss = NULL;
 260
 261                                         opj_tcd_band_t *band = &res->bands[bandno];
 262
 263                                         band->bandno = resno == 0 ? 0 : bandno + 1;
 264                                         x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 265                                         y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 266
 267                                         if (band->bandno == 0) {
 268                                                 /* band border (global) */
 269                                                 band->x0 = int_ceildivpow2(tilec->x0, levelno);
 270                                                 band->y0 = int_ceildivpow2(tilec->y0, levelno);
 271                                                 band->x1 = int_ceildivpow2(tilec->x1, levelno);
 272                                                 band->y1 = int_ceildivpow2(tilec->y1, levelno);
 273                                         } else {
 274                                                 /* band border (global) */
 275                                                 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 276                                                 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 277                                                 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 278                                                 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 279                                         }
 280
 281                                         ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 282                                         gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 283                                         numbps = image->comps[compno].prec + gain;
 284
 285                                         band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
 286                                         band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 287
 288                                         band->precincts = (opj_tcd_precinct_t *) opj_malloc(3 * res->pw * res->ph * sizeof(opj_tcd_precinct_t));
 289
 290                                         for (i = 0; i < res->pw * res->ph * 3; i++) {
 291                                                 band->precincts[i].imsbtree = NULL;
 292                                                 band->precincts[i].incltree = NULL;
 293                                                 band->precincts[i].cblks.enc = NULL;
 294                                         }
 295
 296                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 297                                                 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 298
 299                                                 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 300                                                 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 301                                                 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 302                                                 int cbgyend = cbgystart + (1 << cbgheightexpn);
 303
 304                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
 305
 306                                                 /* precinct size (global) */
 307                                                 prc->x0 = int_max(cbgxstart, band->x0);
 308                                                 prc->y0 = int_max(cbgystart, band->y0);
 309                                                 prc->x1 = int_min(cbgxend, band->x1);
 310                                                 prc->y1 = int_min(cbgyend, band->y1);
 311
 312                                                 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 313                                                 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 314                                                 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 315                                                 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 316                                                 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 317                                                 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 318
 319                                                 prc->cblks.enc = (opj_tcd_cblk_enc_t*) opj_calloc((prc->cw * prc->ch), sizeof(opj_tcd_cblk_enc_t));
 320                                                 prc->incltree = tgt_create(prc->cw, prc->ch);
 321                                                 prc->imsbtree = tgt_create(prc->cw, prc->ch);
 322
 323                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 324                                                         int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 325                                                         int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 326                                                         int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 327                                                         int cblkyend = cblkystart + (1 << cblkheightexpn);
 328
 329                                                         opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
 330
 331                                                         /* code-block size (global) */
 332                                                         cblk->x0 = int_max(cblkxstart, prc->x0);
 333                                                         cblk->y0 = int_max(cblkystart, prc->y0);
 334                                                         cblk->x1 = int_min(cblkxend, prc->x1);
 335                                                         cblk->y1 = int_min(cblkyend, prc->y1);
 336                                                         cblk->data = (unsigned char*) opj_calloc(8192+2, sizeof(unsigned char));
 337                                                         /* FIXME: mqc_init_enc and mqc_byteout underrun the buffer if we don't do this. Why? */
 338                                                         cblk->data += 2;
 339                                                         cblk->layers = (opj_tcd_layer_t*) opj_calloc(100, sizeof(opj_tcd_layer_t));
 340                                                         cblk->passes = (opj_tcd_pass_t*) opj_calloc(100, sizeof(opj_tcd_pass_t));
 341                                                 }
 342                                         }
 343                                 }
 344                         }
 345                 }
 346         }
 347
 348         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 349 }
 350
 351 void tcd_free_encode(opj_tcd_t *tcd) {
 352         int tileno, compno, resno, bandno, precno, cblkno;
 353
 354         for (tileno = 0; tileno < 1; tileno++) {
 355                 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
 356
 357                 for (compno = 0; compno < tile->numcomps; compno++) {
 358                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 359
 360                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 361                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 362
 363                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 364                                         opj_tcd_band_t *band = &res->bands[bandno];
 365
 366                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 367                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
 368
 369                                                 if (prc->incltree != NULL) {
 370                                                         tgt_destroy(prc->incltree);
 371                                                         prc->incltree = NULL;
 372                                                 }
 373                                                 if (prc->imsbtree != NULL) {
 374                                                         tgt_destroy(prc->imsbtree);
 375                                                         prc->imsbtree = NULL;
 376                                                 }
 377                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 378                                                         opj_free(prc->cblks.enc[cblkno].data - 2);
 379                                                         opj_free(prc->cblks.enc[cblkno].layers);
 380                                                         opj_free(prc->cblks.enc[cblkno].passes);
 381                                                 }
 382                                                 opj_free(prc->cblks.enc);
 383                                         } /* for (precno */
 384                                         opj_free(band->precincts);
 385                                         band->precincts = NULL;
 386                                 } /* for (bandno */
 387                         } /* for (resno */
 388                         opj_free(tilec->resolutions);
 389                         tilec->resolutions = NULL;
 390                 } /* for (compno */
 391                 opj_free(tile->comps);
 392                 tile->comps = NULL;
 393         } /* for (tileno */
 394         opj_free(tcd->tcd_image->tiles);
 395         tcd->tcd_image->tiles = NULL;
 396 }
 397
 398 void tcd_init_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno) {
 399         int tileno, compno, resno, bandno, precno, cblkno;
 400
 401         for (tileno = 0; tileno < 1; tileno++) {
 402                 opj_tcp_t *tcp = &cp->tcps[curtileno];
 403                 int j;
 404                 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 405                 int p = curtileno % cp->tw;
 406                 int q = curtileno / cp->tw;
 407
 408                 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
 409
 410                 /* 4 borders of the tile rescale on the image if necessary */
 411                 tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 412                 tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 413                 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 414                 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 415
 416                 tile->numcomps = image->numcomps;
 417                 /* tile->PPT=image->PPT; */
 418
 419                 /* Modification of the RATE >> */
 420                 for (j = 0; j < tcp->numlayers; j++) {
 421                         tcp->rates[j] = tcp->rates[j] ?
 422                                 cp->tp_on ?
 423                                         (((float) (tile->numcomps
 424                                         * (tile->x1 - tile->x0)
 425                                         * (tile->y1 - tile->y0)
 426                                         * image->comps[0].prec))
 427                                         /(tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)) - (((tcd->cur_totnum_tp - 1) * 14 )/ tcp->numlayers)
 428                                         :
 429                                 ((float) (tile->numcomps
 430                                         * (tile->x1 - tile->x0)
 431                                         * (tile->y1 - tile->y0)
 432                                         * image->comps[0].prec))/
 433                                         (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)
 434                                         : 0;
 435
 436                         if (tcp->rates[j]) {
 437                                 if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
 438                                         tcp->rates[j] = tcp->rates[j - 1] + 20;
 439                                 } else {
 440                                         if (!j && tcp->rates[j] < 30)
 441                                                 tcp->rates[j] = 30;
 442                                 }
 443                         }
 444                 }
 445                 /* << Modification of the RATE */
 446
 447                 /* tile->comps=(opj_tcd_tilecomp_t*)opj_realloc(tile->comps,image->numcomps*sizeof(opj_tcd_tilecomp_t)); */
 448                 for (compno = 0; compno < tile->numcomps; compno++) {
 449                         opj_tccp_t *tccp = &tcp->tccps[compno];
 450
 451                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 452
 453                         /* border of each tile component (global) */
 454                         tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 455                         tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 456                         tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 457                         tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 458
 459                         tilec->data = (int *) opj_aligned_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
 460                         tilec->numresolutions = tccp->numresolutions;
 461                         /* tilec->resolutions=(opj_tcd_resolution_t*)opj_realloc(tilec->resolutions,tilec->numresolutions*sizeof(opj_tcd_resolution_t)); */
 462                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 463                                 int pdx, pdy;
 464
 465                                 int levelno = tilec->numresolutions - 1 - resno;
 466                                 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 467                                 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 468                                 int cbgwidthexpn, cbgheightexpn;
 469                                 int cblkwidthexpn, cblkheightexpn;
 470
 471                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 472
 473                                 /* border for each resolution level (global) */
 474                                 res->x0 = int_ceildivpow2(tilec->x0, levelno);
 475                                 res->y0 = int_ceildivpow2(tilec->y0, levelno);
 476                                 res->x1 = int_ceildivpow2(tilec->x1, levelno);
 477                                 res->y1 = int_ceildivpow2(tilec->y1, levelno);
 478                                 res->numbands = resno == 0 ? 1 : 3;
 479
 480                                 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 481                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 482                                         pdx = tccp->prcw[resno];
 483                                         pdy = tccp->prch[resno];
 484                                 } else {
 485                                         pdx = 15;
 486                                         pdy = 15;
 487                                 }
 488                                 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 489                                 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 490                                 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 491                                 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 492                                 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 493
 494                                 res->pw = (brprcxend - tlprcxstart) >> pdx;
 495                                 res->ph = (brprcyend - tlprcystart) >> pdy;
 496
 497                                 if (resno == 0) {
 498                                         tlcbgxstart = tlprcxstart;
 499                                         tlcbgystart = tlprcystart;
 500                                         brcbgxend = brprcxend;
 501                                         brcbgyend = brprcyend;
 502                                         cbgwidthexpn = pdx;
 503                                         cbgheightexpn = pdy;
 504                                 } else {
 505                                         tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 506                                         tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 507                                         brcbgxend = int_ceildivpow2(brprcxend, 1);
 508                                         brcbgyend = int_ceildivpow2(brprcyend, 1);
 509                                         cbgwidthexpn = pdx - 1;
 510                                         cbgheightexpn = pdy - 1;
 511                                 }
 512
 513                                 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 514                                 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 515
 516                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 517                                         int x0b, y0b;
 518                                         int gain, numbps;
 519                                         opj_stepsize_t *ss = NULL;
 520
 521                                         opj_tcd_band_t *band = &res->bands[bandno];
 522
 523                                         band->bandno = resno == 0 ? 0 : bandno + 1;
 524                                         x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 525                                         y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 526
 527                                         if (band->bandno == 0) {
 528                                                 /* band border */
 529                                                 band->x0 = int_ceildivpow2(tilec->x0, levelno);
 530                                                 band->y0 = int_ceildivpow2(tilec->y0, levelno);
 531                                                 band->x1 = int_ceildivpow2(tilec->x1, levelno);
 532                                                 band->y1 = int_ceildivpow2(tilec->y1, levelno);
 533                                         } else {
 534                                                 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 535                                                 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 536                                                 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 537                                                 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 538                                         }
 539
 540                                         ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 541                                         gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 542                                         numbps = image->comps[compno].prec + gain;
 543                                         band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
 544                                         band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 545
 546                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 547                                                 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 548
 549                                                 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 550                                                 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 551                                                 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 552                                                 int cbgyend = cbgystart + (1 << cbgheightexpn);
 553
 554                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
 555
 556                                                 /* precinct size (global) */
 557                                                 prc->x0 = int_max(cbgxstart, band->x0);
 558                                                 prc->y0 = int_max(cbgystart, band->y0);
 559                                                 prc->x1 = int_min(cbgxend, band->x1);
 560                                                 prc->y1 = int_min(cbgyend, band->y1);
 561
 562                                                 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 563                                                 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 564                                                 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 565                                                 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 566                                                 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 567                                                 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 568
 569                                                 opj_free(prc->cblks.enc);
 570                                                 prc->cblks.enc = (opj_tcd_cblk_enc_t*) opj_calloc(prc->cw * prc->ch, sizeof(opj_tcd_cblk_enc_t));
 571
 572                                                 if (prc->incltree != NULL) {
 573                                                         tgt_destroy(prc->incltree);
 574                                                 }
 575                                                 if (prc->imsbtree != NULL) {
 576                                                         tgt_destroy(prc->imsbtree);
 577                                                 }
 578
 579                                                 prc->incltree = tgt_create(prc->cw, prc->ch);
 580                                                 prc->imsbtree = tgt_create(prc->cw, prc->ch);
 581
 582                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 583                                                         int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 584                                                         int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 585                                                         int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 586                                                         int cblkyend = cblkystart + (1 << cblkheightexpn);
 587
 588                                                         opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
 589
 590                                                         /* code-block size (global) */
 591                                                         cblk->x0 = int_max(cblkxstart, prc->x0);
 592                                                         cblk->y0 = int_max(cblkystart, prc->y0);
 593                                                         cblk->x1 = int_min(cblkxend, prc->x1);
 594                                                         cblk->y1 = int_min(cblkyend, prc->y1);
 595                                                         cblk->data = (unsigned char*) opj_calloc(8192+2, sizeof(unsigned char));
 596                                                         /* FIXME: mqc_init_enc and mqc_byteout underrun the buffer if we don't do this. Why? */
 597                                                         cblk->data += 2;
 598                                                         cblk->layers = (opj_tcd_layer_t*) opj_calloc(100, sizeof(opj_tcd_layer_t));
 599                                                         cblk->passes = (opj_tcd_pass_t*) opj_calloc(100, sizeof(opj_tcd_pass_t));
 600                                                 }
 601                                         } /* precno */
 602                                 } /* bandno */
 603                         } /* resno */
 604                 } /* compno */
 605         } /* tileno */
 606
 607         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 608 }
 609
 610 void tcd_malloc_decode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp) {
 611         int i, j, tileno, p, q;
 612         unsigned int x0 = 0, y0 = 0, x1 = 0, y1 = 0, w, h;
 613
 614         tcd->image = image;
 615         tcd->tcd_image->tw = cp->tw;
 616         tcd->tcd_image->th = cp->th;
 617         tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tcd_tile_t));
 618
 619         /*
 620         Allocate place to store the decoded data = final image
 621         Place limited by the tile really present in the codestream
 622         */
 623
 624         for (j = 0; j < cp->tileno_size; j++) {
 625                 opj_tcd_tile_t *tile;
 626
 627                 tileno = cp->tileno[j];
 628                 tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
 629                 tile->numcomps = image->numcomps;
 630                 tile->comps = (opj_tcd_tilecomp_t*) opj_calloc(image->numcomps, sizeof(opj_tcd_tilecomp_t));
 631         }
 632
 633         for (i = 0; i < image->numcomps; i++) {
 634                 for (j = 0; j < cp->tileno_size; j++) {
 635                         opj_tcd_tile_t *tile;
 636                         opj_tcd_tilecomp_t *tilec;
 637
 638                         /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 639
 640                         tileno = cp->tileno[j];
 641
 642                         tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
 643                         tilec = &tile->comps[i];
 644
 645                         p = tileno % cp->tw;    /* si numerotation matricielle .. */
 646                         q = tileno / cp->tw;    /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
 647
 648                         /* 4 borders of the tile rescale on the image if necessary */
 649                         tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 650                         tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 651                         tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 652                         tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 653
 654                         tilec->x0 = int_ceildiv(tile->x0, image->comps[i].dx);
 655                         tilec->y0 = int_ceildiv(tile->y0, image->comps[i].dy);
 656                         tilec->x1 = int_ceildiv(tile->x1, image->comps[i].dx);
 657                         tilec->y1 = int_ceildiv(tile->y1, image->comps[i].dy);
 658
 659                         x0 = j == 0 ? tilec->x0 : int_min(x0, (unsigned int) tilec->x0);
 660                         y0 = j == 0 ? tilec->y0 : int_min(y0,   (unsigned int) tilec->y0);
 661                         x1 = j == 0 ? tilec->x1 : int_max(x1,   (unsigned int) tilec->x1);
 662                         y1 = j == 0 ? tilec->y1 : int_max(y1,   (unsigned int) tilec->y1);
 663                 }
 664
 665                 w = int_ceildivpow2(x1 - x0, image->comps[i].factor);
 666                 h = int_ceildivpow2(y1 - y0, image->comps[i].factor);
 667
 668                 image->comps[i].w = w;
 669                 image->comps[i].h = h;
 670                 image->comps[i].x0 = x0;
 671                 image->comps[i].y0 = y0;
 672         }
 673 }
 674
 675 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) {
 676         int compno, resno, bandno, precno, cblkno;
 677         opj_tcp_t *tcp;
 678         opj_tcd_tile_t *tile;
 679
 680         OPJ_ARG_NOT_USED(cstr_info);
 681
 682         tcd->cp = cp;
 683
 684         tcp = &(cp->tcps[cp->tileno[tileno]]);
 685         tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
 686
 687         tileno = cp->tileno[tileno];
 688
 689         for (compno = 0; compno < tile->numcomps; compno++) {
 690                 opj_tccp_t *tccp = &tcp->tccps[compno];
 691                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 692
 693                 /* border of each tile component (global) */
 694                 tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 695                 tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 696                 tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 697                 tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 698
 699                 tilec->numresolutions = tccp->numresolutions;
 700                 tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));
 701
 702                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 703                         int pdx, pdy;
 704                         int levelno = tilec->numresolutions - 1 - resno;
 705                         int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 706                         int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 707                         int cbgwidthexpn, cbgheightexpn;
 708                         int cblkwidthexpn, cblkheightexpn;
 709
 710                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 711
 712                         /* border for each resolution level (global) */
 713                         res->x0 = int_ceildivpow2(tilec->x0, levelno);
 714                         res->y0 = int_ceildivpow2(tilec->y0, levelno);
 715                         res->x1 = int_ceildivpow2(tilec->x1, levelno);
 716                         res->y1 = int_ceildivpow2(tilec->y1, levelno);
 717                         res->numbands = resno == 0 ? 1 : 3;
 718
 719                         /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 720                         if (tccp->csty & J2K_CCP_CSTY_PRT) {
 721                                 pdx = tccp->prcw[resno];
 722                                 pdy = tccp->prch[resno];
 723                         } else {
 724                                 pdx = 15;
 725                                 pdy = 15;
 726                         }
 727
 728                         /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 729                         tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 730                         tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 731                         brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 732                         brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 733
 734                         res->pw = (res->x0 == res->x1) ? 0 : ((brprcxend - tlprcxstart) >> pdx);
 735                         res->ph = (res->y0 == res->y1) ? 0 : ((brprcyend - tlprcystart) >> pdy);
 736
 737                         if (resno == 0) {
 738                                 tlcbgxstart = tlprcxstart;
 739                                 tlcbgystart = tlprcystart;
 740                                 brcbgxend = brprcxend;
 741                                 brcbgyend = brprcyend;
 742                                 cbgwidthexpn = pdx;
 743                                 cbgheightexpn = pdy;
 744                         } else {
 745                                 tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 746                                 tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 747                                 brcbgxend = int_ceildivpow2(brprcxend, 1);
 748                                 brcbgyend = int_ceildivpow2(brprcyend, 1);
 749                                 cbgwidthexpn = pdx - 1;
 750                                 cbgheightexpn = pdy - 1;
 751                         }
 752
 753                         cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 754                         cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 755
 756                         for (bandno = 0; bandno < res->numbands; bandno++) {
 757                                 int x0b, y0b;
 758                                 int gain, numbps;
 759                                 opj_stepsize_t *ss = NULL;
 760
 761                                 opj_tcd_band_t *band = &res->bands[bandno];
 762                                 band->bandno = resno == 0 ? 0 : bandno + 1;
 763                                 x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 764                                 y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 765
 766                                 if (band->bandno == 0) {
 767                                         /* band border (global) */
 768                                         band->x0 = int_ceildivpow2(tilec->x0, levelno);
 769                                         band->y0 = int_ceildivpow2(tilec->y0, levelno);
 770                                         band->x1 = int_ceildivpow2(tilec->x1, levelno);
 771                                         band->y1 = int_ceildivpow2(tilec->y1, levelno);
 772                                 } else {
 773                                         /* band border (global) */
 774                                         band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 775                                         band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 776                                         band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 777                                         band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 778                                 }
 779
 780                                 ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 781                                 gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 782                                 numbps = image->comps[compno].prec + gain;
 783                                 band->stepsize = (float)(((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn)) * 0.5);
 784                                 band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 785
 786                                 band->precincts = (opj_tcd_precinct_t *) opj_malloc(res->pw * res->ph * sizeof(opj_tcd_precinct_t));
 787
 788                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 789                                         int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 790                                         int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 791                                         int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 792                                         int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 793                                         int cbgyend = cbgystart + (1 << cbgheightexpn);
 794
 795                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 796                                         /* precinct size (global) */
 797                                         prc->x0 = int_max(cbgxstart, band->x0);
 798                                         prc->y0 = int_max(cbgystart, band->y0);
 799                                         prc->x1 = int_min(cbgxend, band->x1);
 800                                         prc->y1 = int_min(cbgyend, band->y1);
 801
 802                                         tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 803                                         tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 804                                         brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 805                                         brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 806                                         prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 807                                         prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 808
 809                                         prc->cblks.dec = (opj_tcd_cblk_dec_t*) opj_malloc(prc->cw * prc->ch * sizeof(opj_tcd_cblk_dec_t));
 810
 811                                         prc->incltree = tgt_create(prc->cw, prc->ch);
 812                                         prc->imsbtree = tgt_create(prc->cw, prc->ch);
 813
 814                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 815                                                 int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 816                                                 int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 817                                                 int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 818                                                 int cblkyend = cblkystart + (1 << cblkheightexpn);
 819
 820                                                 opj_tcd_cblk_dec_t* cblk = &prc->cblks.dec[cblkno];
 821                                                 cblk->data = NULL;
 822                                                 cblk->segs = NULL;
 823                                                 /* code-block size (global) */
 824                                                 cblk->x0 = int_max(cblkxstart, prc->x0);
 825                                                 cblk->y0 = int_max(cblkystart, prc->y0);
 826                                                 cblk->x1 = int_min(cblkxend, prc->x1);
 827                                                 cblk->y1 = int_min(cblkyend, prc->y1);
 828                                                 cblk->numsegs = 0;
 829                                         }
 830                                 } /* precno */
 831                         } /* bandno */
 832                 } /* resno */
 833         } /* compno */
 834         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 835 }
 836
 837 void tcd_makelayer_fixed(opj_tcd_t *tcd, int layno, int final) {
 838         int compno, resno, bandno, precno, cblkno;
 839         int value;                      /*, matrice[tcd_tcp->numlayers][tcd_tile->comps[0].numresolutions][3]; */
 840         int matrice[10][10][3];
 841         int i, j, k;
 842
 843         opj_cp_t *cp = tcd->cp;
 844         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
 845         opj_tcp_t *tcd_tcp = tcd->tcp;
 846
 847         /*matrice=(int*)opj_malloc(tcd_tcp->numlayers*tcd_tile->comps[0].numresolutions*3*sizeof(int)); */
 848
 849         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 850                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
 851                 for (i = 0; i < tcd_tcp->numlayers; i++) {
 852                         for (j = 0; j < tilec->numresolutions; j++) {
 853                                 for (k = 0; k < 3; k++) {
 854                                         matrice[i][j][k] =
 855                                                 (int) (cp->matrice[i * tilec->numresolutions * 3 + j * 3 + k]
 856                                                 * (float) (tcd->image->comps[compno].prec / 16.0));
 857                                 }
 858                         }
 859                 }
 860
 861                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 862                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 863                         for (bandno = 0; bandno < res->numbands; bandno++) {
 864                                 opj_tcd_band_t *band = &res->bands[bandno];
 865                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 866                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 867                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 868                                                 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
 869                                                 opj_tcd_layer_t *layer = &cblk->layers[layno];
 870                                                 int n;
 871                                                 int imsb = tcd->image->comps[compno].prec - cblk->numbps;       /* number of bit-plan equal to zero */
 872                                                 /* Correction of the matrix of coefficient to include the IMSB information */
 873                                                 if (layno == 0) {
 874                                                         value = matrice[layno][resno][bandno];
 875                                                         if (imsb >= value) {
 876                                                                 value = 0;
 877                                                         } else {
 878                                                                 value -= imsb;
 879                                                         }
 880                                                 } else {
 881                                                         value = matrice[layno][resno][bandno] - matrice[layno - 1][resno][bandno];
 882                                                         if (imsb >= matrice[layno - 1][resno][bandno]) {
 883                                                                 value -= (imsb - matrice[layno - 1][resno][bandno]);
 884                                                                 if (value < 0) {
 885                                                                         value = 0;
 886                                                                 }
 887                                                         }
 888                                                 }
 889
 890                                                 if (layno == 0) {
 891                                                         cblk->numpassesinlayers = 0;
 892                                                 }
 893
 894                                                 n = cblk->numpassesinlayers;
 895                                                 if (cblk->numpassesinlayers == 0) {
 896                                                         if (value != 0) {
 897                                                                 n = 3 * value - 2 + cblk->numpassesinlayers;
 898                                                         } else {
 899                                                                 n = cblk->numpassesinlayers;
 900                                                         }
 901                                                 } else {
 902                                                         n = 3 * value + cblk->numpassesinlayers;
 903                                                 }
 904
 905                                                 layer->numpasses = n - cblk->numpassesinlayers;
 906
 907                                                 if (!layer->numpasses)
 908                                                         continue;
 909
 910                                                 if (cblk->numpassesinlayers == 0) {
 911                                                         layer->len = cblk->passes[n - 1].rate;
 912                                                         layer->data = cblk->data;
 913                                                 } else {
 914                                                         layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
 915                                                         layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
 916                                                 }
 917                                                 if (final)
 918                                                         cblk->numpassesinlayers = n;
 919                                         }
 920                                 }
 921                         }
 922                 }
 923         }
 924 }
 925
 926 void tcd_rateallocate_fixed(opj_tcd_t *tcd) {
 927         int layno;
 928         for (layno = 0; layno < tcd->tcp->numlayers; layno++) {
 929                 tcd_makelayer_fixed(tcd, layno, 1);
 930         }
 931 }
 932
 933 void tcd_makelayer(opj_tcd_t *tcd, int layno, double thresh, int final) {
 934         int compno, resno, bandno, precno, cblkno, passno;
 935
 936         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
 937
 938         tcd_tile->distolayer[layno] = 0;        /* fixed_quality */
 939
 940         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 941                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
 942                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 943                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 944                         for (bandno = 0; bandno < res->numbands; bandno++) {
 945                                 opj_tcd_band_t *band = &res->bands[bandno];
 946                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 947                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 948                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 949                                                 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
 950                                                 opj_tcd_layer_t *layer = &cblk->layers[layno];
 951
 952                                                 int n;
 953                                                 if (layno == 0) {
 954                                                         cblk->numpassesinlayers = 0;
 955                                                 }
 956                                                 n = cblk->numpassesinlayers;
 957                                                 for (passno = cblk->numpassesinlayers; passno < cblk->totalpasses; passno++) {
 958                                                         int dr;
 959                                                         double dd;
 960                                                         opj_tcd_pass_t *pass = &cblk->passes[passno];
 961                                                         if (n == 0) {
 962                                                                 dr = pass->rate;
 963                                                                 dd = pass->distortiondec;
 964                                                         } else {
 965                                                                 dr = pass->rate - cblk->passes[n - 1].rate;
 966                                                                 dd = pass->distortiondec - cblk->passes[n - 1].distortiondec;
 967                                                         }
 968                                                         if (!dr) {
 969                                                                 if (dd != 0)
 970                                                                         n = passno + 1;
 971                                                                 continue;
 972                                                         }
 973                                                         if (dd / dr >= thresh)
 974                                                                 n = passno + 1;
 975                                                 }
 976                                                 layer->numpasses = n - cblk->numpassesinlayers;
 977
 978                                                 if (!layer->numpasses) {
 979                                                         layer->disto = 0;
 980                                                         continue;
 981                                                 }
 982                                                 if (cblk->numpassesinlayers == 0) {
 983                                                         layer->len = cblk->passes[n - 1].rate;
 984                                                         layer->data = cblk->data;
 985                                                         layer->disto = cblk->passes[n - 1].distortiondec;
 986                                                 } else {
 987                                                         layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
 988                                                         layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
 989                                                         layer->disto = cblk->passes[n - 1].distortiondec - cblk->passes[cblk->numpassesinlayers - 1].distortiondec;
 990                                                 }
 991
 992                                                 tcd_tile->distolayer[layno] += layer->disto;    /* fixed_quality */
 993
 994                                                 if (final)
 995                                                         cblk->numpassesinlayers = n;
 996                                         }
 997                                 }
 998                         }
 999                 }
1000         }
1001 }
1002
1003 opj_bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_codestream_info_t *cstr_info) {
1004         int compno, resno, bandno, precno, cblkno, passno, layno;
1005         double min, max;
1006         double cumdisto[100];   /* fixed_quality */
1007         const double K = 1;             /* 1.1; fixed_quality */
1008         double maxSE = 0;
1009
1010         opj_cp_t *cp = tcd->cp;
1011         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
1012         opj_tcp_t *tcd_tcp = tcd->tcp;
1013
1014         min = DBL_MAX;
1015         max = 0;
1016
1017         tcd_tile->numpix = 0;           /* fixed_quality */
1018
1019         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
1020                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
1021                 tilec->numpix = 0;
1022
1023                 for (resno = 0; resno < tilec->numresolutions; resno++) {
1024                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1025
1026                         for (bandno = 0; bandno < res->numbands; bandno++) {
1027                                 opj_tcd_band_t *band = &res->bands[bandno];
1028
1029                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
1030                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
1031
1032                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
1033                                                 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
1034
1035                                                 for (passno = 0; passno < cblk->totalpasses; passno++) {
1036                                                         opj_tcd_pass_t *pass = &cblk->passes[passno];
1037                                                         int dr;
1038                                                         double dd, rdslope;
1039                                                         if (passno == 0) {
1040                                                                 dr = pass->rate;
1041                                                                 dd = pass->distortiondec;
1042                                                         } else {
1043                                                                 dr = pass->rate - cblk->passes[passno - 1].rate;
1044                                                                 dd = pass->distortiondec - cblk->passes[passno - 1].distortiondec;
1045                                                         }
1046                                                         if (dr == 0) {
1047                                                                 continue;
1048                                                         }
1049                                                         rdslope = dd / dr;
1050                                                         if (rdslope < min) {
1051                                                                 min = rdslope;
1052                                                         }
1053                                                         if (rdslope > max) {
1054                                                                 max = rdslope;
1055                                                         }
1056                                                 } /* passno */
1057
1058                                                 /* fixed_quality */
1059                                                 tcd_tile->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1060                                                 tilec->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1061                                         } /* cbklno */
1062                                 } /* precno */
1063                         } /* bandno */
1064                 } /* resno */
1065
1066                 maxSE += (((double)(1 << tcd->image->comps[compno].prec) - 1.0)
1067                         * ((double)(1 << tcd->image->comps[compno].prec) -1.0))
1068                         * ((double)(tilec->numpix));
1069         } /* compno */
1070
1071         /* index file */
1072         if(cstr_info) {
1073                 opj_tile_info_t *tile_info = &cstr_info->tile[tcd->tcd_tileno];
1074                 tile_info->numpix = tcd_tile->numpix;
1075                 tile_info->distotile = tcd_tile->distotile;
1076                 tile_info->thresh = (double *) opj_malloc(tcd_tcp->numlayers * sizeof(double));
1077         }
1078
1079         for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
1080                 double lo = min;
1081                 double hi = max;
1082                 int success = 0;
1083                 int maxlen = tcd_tcp->rates[layno] ? int_min(((int) ceil(tcd_tcp->rates[layno])), len) : len;
1084                 double goodthresh = 0;
1085                 double stable_thresh = 0;
1086                 int i;
1087                 double distotarget;             /* fixed_quality */
1088
1089                 /* fixed_quality */
1090                 distotarget = tcd_tile->distotile - ((K * maxSE) / pow((float)10, tcd_tcp->distoratio[layno] / 10));
1091
1092                 /* Don't try to find an optimal threshold but rather take everything not included yet, if
1093                   -r xx,yy,zz,0   (disto_alloc == 1 and rates == 0)
1094                   -q xx,yy,zz,0   (fixed_quality == 1 and distoratio == 0)
1095                   ==> possible to have some lossy layers and the last layer for sure lossless */
1096                 if ( ((cp->disto_alloc==1) && (tcd_tcp->rates[layno]>0)) || ((cp->fixed_quality==1) && (tcd_tcp->distoratio[layno]>0))) {
1097                         opj_t2_t *t2 = t2_create(tcd->cinfo, tcd->image, cp);
1098                         double thresh = 0;
1099
1100                         for (i = 0; i < 128; i++) {
1101                                 int l = 0;
1102                                 double distoachieved = 0;       /* fixed_quality */
1103                                 thresh = (lo + hi) / 2;
1104
1105                                 tcd_makelayer(tcd, layno, thresh, 0);
1106
1107                                 if (cp->fixed_quality) {        /* fixed_quality */
1108                                         if(cp->cinema){
1109                                                 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);
1110                                                 if (l == -999) {
1111                                                         lo = thresh;
1112                                                         continue;
1113                                                 }else{
1114                         distoachieved = layno == 0 ?
1115                                                         tcd_tile->distolayer[0] : cumdisto[layno - 1] + tcd_tile->distolayer[layno];
1116                                                         if (distoachieved < distotarget) {
1117                                                                 hi=thresh;
1118                                                                 stable_thresh = thresh;
1119                                                                 continue;
1120                                                         }else{
1121                                                                 lo=thresh;
1122                                                         }
1123                                                 }
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                                                 }
1132                                                 lo = thresh;
1133                                         }
1134                                 } else {
1135                                         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);
1136                                         /* TODO: what to do with l ??? seek / tell ??? */
1137                                         /* opj_event_msg(tcd->cinfo, EVT_INFO, "rate alloc: len=%d, max=%d\n", l, maxlen); */
1138                                         if (l == -999) {
1139                                                 lo = thresh;
1140                                                 continue;
1141                                         }
1142                                         hi = thresh;
1143                                         stable_thresh = thresh;
1144                                 }
1145                         }
1146                         success = 1;
1147                         goodthresh = stable_thresh == 0? thresh : stable_thresh;
1148                         t2_destroy(t2);
1149                 } else {
1150                         success = 1;
1151                         goodthresh = min;
1152                 }
1153
1154                 if (!success) {
1155                         return OPJ_FALSE;
1156                 }
1157
1158                 if(cstr_info) { /* Threshold for Marcela Index */
1159                         cstr_info->tile[tcd->tcd_tileno].thresh[layno] = goodthresh;
1160                 }
1161                 tcd_makelayer(tcd, layno, goodthresh, 1);
1162
1163                 /* fixed_quality */
1164                 cumdisto[layno] = (layno == 0) ? tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
1165         }
1166
1167         return OPJ_TRUE;
1168 }
1169
1170 int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len, opj_codestream_info_t *cstr_info) {
1171         int compno;
1172         int l, i, numpacks = 0;
1173         opj_tcd_tile_t *tile = NULL;
1174         opj_tcp_t *tcd_tcp = NULL;
1175         opj_cp_t *cp = NULL;
1176
1177         opj_tcp_t *tcp = &tcd->cp->tcps[0];
1178         opj_tccp_t *tccp = &tcp->tccps[0];
1179         opj_image_t *image = tcd->image;
1180
1181         opj_t1_t *t1 = NULL;            /* T1 component */
1182         opj_t2_t *t2 = NULL;            /* T2 component */
1183
1184         tcd->tcd_tileno = tileno;
1185         tcd->tcd_tile = tcd->tcd_image->tiles;
1186         tcd->tcp = &tcd->cp->tcps[tileno];
1187
1188         tile = tcd->tcd_tile;
1189         tcd_tcp = tcd->tcp;
1190         cp = tcd->cp;
1191
1192         if(tcd->cur_tp_num == 0){
1193                 tcd->encoding_time = opj_clock();       /* time needed to encode a tile */
1194                 /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
1195                 if(cstr_info) {
1196                         opj_tcd_tilecomp_t *tilec_idx = &tile->comps[0];        /* based on component 0 */
1197                         for (i = 0; i < tilec_idx->numresolutions; i++) {
1198                                 opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];
1199
1200                                 cstr_info->tile[tileno].pw[i] = res_idx->pw;
1201                                 cstr_info->tile[tileno].ph[i] = res_idx->ph;
1202
1203                                 numpacks += res_idx->pw * res_idx->ph;
1204
1205                                 cstr_info->tile[tileno].pdx[i] = tccp->prcw[i];
1206                                 cstr_info->tile[tileno].pdy[i] = tccp->prch[i];
1207                         }
1208                         cstr_info->tile[tileno].packet = (opj_packet_info_t*) opj_calloc(cstr_info->numcomps * cstr_info->numlayers * numpacks, sizeof(opj_packet_info_t));
1209                 }
1210                 /* << INDEX */
1211
1212                 /*---------------TILE-------------------*/
1213
1214                 for (compno = 0; compno < tile->numcomps; compno++) {
1215                         int x, y;
1216
1217                         int adjust = image->comps[compno].sgnd ? 0 : 1 << (image->comps[compno].prec - 1);
1218                         int offset_x = int_ceildiv(image->x0, image->comps[compno].dx);
1219                         int offset_y = int_ceildiv(image->y0, image->comps[compno].dy);
1220
1221                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1222                         int tw = tilec->x1 - tilec->x0;
1223                         int w = int_ceildiv(image->x1 - image->x0, image->comps[compno].dx);
1224
1225                         /* extract tile data */
1226
1227                         if (tcd_tcp->tccps[compno].qmfbid == 1) {
1228                                 for (y = tilec->y0; y < tilec->y1; y++) {
1229                                         /* start of the src tile scanline */
1230                                         int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1231                                         /* start of the dst tile scanline */
1232                                         int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1233                                         for (x = tilec->x0; x < tilec->x1; x++) {
1234                                                 *tile_data++ = *data++ - adjust;
1235                                         }
1236                                 }
1237                         } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1238                                 for (y = tilec->y0; y < tilec->y1; y++) {
1239                                         /* start of the src tile scanline */
1240                                         int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1241                                         /* start of the dst tile scanline */
1242                                         int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1243                                         for (x = tilec->x0; x < tilec->x1; x++) {
1244                                                 *tile_data++ = (*data++ - adjust) << 11;
1245                                         }
1246
1247                                 }
1248                         }
1249                 }
1250
1251                 /*----------------MCT-------------------*/
1252                 if (tcd_tcp->mct) {
1253                         int samples = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
1254                         if (tcd_tcp->tccps[0].qmfbid == 0) {
1255                                 mct_encode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1256                         } else {
1257                                 mct_encode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1258                         }
1259                 }
1260
1261                 /*----------------DWT---------------------*/
1262
1263                 for (compno = 0; compno < tile->numcomps; compno++) {
1264                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1265                         if (tcd_tcp->tccps[compno].qmfbid == 1) {
1266                                 dwt_encode(tilec);
1267                         } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1268                                 dwt_encode_real(tilec);
1269                         }
1270                 }
1271
1272                 /*------------------TIER1-----------------*/
1273                 t1 = t1_create(tcd->cinfo);
1274                 t1_encode_cblks(t1, tile, tcd_tcp);
1275                 t1_destroy(t1);
1276
1277                 /*-----------RATE-ALLOCATE------------------*/
1278
1279                 /* INDEX */
1280                 if(cstr_info) {
1281                         cstr_info->index_write = 0;
1282                 }
1283                 if (cp->disto_alloc || cp->fixed_quality) {     /* fixed_quality */
1284                         /* Normal Rate/distortion allocation */
1285                         tcd_rateallocate(tcd, dest, len, cstr_info);
1286                 } else {
1287                         /* Fixed layer allocation */
1288                         tcd_rateallocate_fixed(tcd);
1289                 }
1290         }
1291         /*--------------TIER2------------------*/
1292
1293         /* INDEX */
1294         if(cstr_info) {
1295                 cstr_info->index_write = 1;
1296         }
1297
1298         t2 = t2_create(tcd->cinfo, image, cp);
1299         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);
1300         t2_destroy(t2);
1301
1302         /*---------------CLEAN-------------------*/
1303
1304
1305         if(tcd->cur_tp_num == tcd->cur_totnum_tp - 1){
1306                 tcd->encoding_time = opj_clock() - tcd->encoding_time;
1307                 opj_event_msg(tcd->cinfo, EVT_INFO, "- tile encoded in %f s\n", tcd->encoding_time);
1308
1309                 /* cleaning memory */
1310                 for (compno = 0; compno < tile->numcomps; compno++) {
1311                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1312                         opj_aligned_free(tilec->data);
1313                 }
1314         }
1315
1316         return l;
1317 }
1318
1319 opj_bool tcd_decode_tile(opj_tcd_t *tcd, unsigned char *src, int len, int tileno, opj_codestream_info_t *cstr_info) {
1320         int l;
1321         int compno;
1322         int eof = 0;
1323         double tile_time, t1_time, dwt_time;
1324         opj_tcd_tile_t *tile = NULL;
1325
1326         opj_t1_t *t1 = NULL;            /* T1 component */
1327         opj_t2_t *t2 = NULL;            /* T2 component */
1328
1329         tcd->tcd_tileno = tileno;
1330         tcd->tcd_tile = &(tcd->tcd_image->tiles[tileno]);
1331         tcd->tcp = &(tcd->cp->tcps[tileno]);
1332         tile = tcd->tcd_tile;
1333
1334         tile_time = opj_clock();        /* time needed to decode a tile */
1335         opj_event_msg(tcd->cinfo, EVT_INFO, "tile %d of %d\n", tileno + 1, tcd->cp->tw * tcd->cp->th);
1336
1337         /* INDEX >>  */
1338         if(cstr_info) {
1339                 int resno, compno, numprec = 0;
1340                 for (compno = 0; compno < cstr_info->numcomps; compno++) {
1341                         opj_tcp_t *tcp = &tcd->cp->tcps[0];
1342                         opj_tccp_t *tccp = &tcp->tccps[compno];
1343                         opj_tcd_tilecomp_t *tilec_idx = &tile->comps[compno];
1344                         for (resno = 0; resno < tilec_idx->numresolutions; resno++) {
1345                                 opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[resno];
1346                                 cstr_info->tile[tileno].pw[resno] = res_idx->pw;
1347                                 cstr_info->tile[tileno].ph[resno] = res_idx->ph;
1348                                 numprec += res_idx->pw * res_idx->ph;
1349                                 if (tccp->csty & J2K_CP_CSTY_PRT) {
1350                                         cstr_info->tile[tileno].pdx[resno] = tccp->prcw[resno];
1351                                         cstr_info->tile[tileno].pdy[resno] = tccp->prch[resno];
1352                                 }
1353                                 else {
1354                                         cstr_info->tile[tileno].pdx[resno] = 15;
1355                                         cstr_info->tile[tileno].pdy[resno] = 15;
1356                                 }
1357                         }
1358                 }
1359                 cstr_info->tile[tileno].packet = (opj_packet_info_t *) opj_malloc(cstr_info->numlayers * numprec * sizeof(opj_packet_info_t));
1360                 cstr_info->packno = 0;
1361         }
1362         /* << INDEX */
1363
1364         /*--------------TIER2------------------*/
1365
1366         t2 = t2_create(tcd->cinfo, tcd->image, tcd->cp);
1367         l = t2_decode_packets(t2, src, len, tileno, tile, cstr_info);
1368         t2_destroy(t2);
1369
1370         if (l == -999) {
1371                 eof = 1;
1372                 opj_event_msg(tcd->cinfo, EVT_ERROR, "tcd_decode: incomplete bistream\n");
1373         }
1374
1375         /*------------------TIER1-----------------*/
1376
1377         t1_time = opj_clock();  /* time needed to decode a tile */
1378         t1 = t1_create(tcd->cinfo);
1379         for (compno = 0; compno < tile->numcomps; ++compno) {
1380                 opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
1381                 /* The +3 is headroom required by the vectorized DWT */
1382                 tilec->data = (int*) opj_aligned_malloc((((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0))+3) * sizeof(int));
1383                 t1_decode_cblks(t1, tilec, &tcd->tcp->tccps[compno]);
1384         }
1385         t1_destroy(t1);
1386         t1_time = opj_clock() - t1_time;
1387         opj_event_msg(tcd->cinfo, EVT_INFO, "- tiers-1 took %f s\n", t1_time);
1388
1389         /*----------------DWT---------------------*/
1390
1391         dwt_time = opj_clock(); /* time needed to decode a tile */
1392         for (compno = 0; compno < tile->numcomps; compno++) {
1393                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1394                 int numres2decode;
1395
1396                 if (tcd->cp->reduce != 0) {
1397                         tcd->image->comps[compno].resno_decoded =
1398                                 tile->comps[compno].numresolutions - tcd->cp->reduce - 1;
1399                         if (tcd->image->comps[compno].resno_decoded < 0) {
1400                                 opj_event_msg(tcd->cinfo, EVT_ERROR, "Error decoding tile. The number of resolutions to remove [%d+1] is higher than the number "
1401                                         " of resolutions in the original codestream [%d]\nModify the cp_reduce parameter.\n", tcd->cp->reduce, tile->comps[compno].numresolutions);
1402                                 return OPJ_FALSE;
1403                         }
1404                 }
1405
1406                 numres2decode = tcd->image->comps[compno].resno_decoded + 1;
1407                 if(numres2decode > 0){
1408                         if (tcd->tcp->tccps[compno].qmfbid == 1) {
1409                                 dwt_decode(tilec, numres2decode);
1410                         } else {
1411                                 dwt_decode_real(tilec, numres2decode);
1412                         }
1413                 }
1414         }
1415         dwt_time = opj_clock() - dwt_time;
1416         opj_event_msg(tcd->cinfo, EVT_INFO, "- dwt took %f s\n", dwt_time);
1417
1418         /*----------------MCT-------------------*/
1419
1420         if (tcd->tcp->mct) {
1421                 int n = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
1422
1423                 if (tile->numcomps >= 3 ){
1424                         if (tcd->tcp->tccps[0].qmfbid == 1) {
1425                                 mct_decode(
1426                                                 tile->comps[0].data,
1427                                                 tile->comps[1].data,
1428                                                 tile->comps[2].data,
1429                                                 n);
1430                         } else {
1431                                 mct_decode_real(
1432                                                 (float*)tile->comps[0].data,
1433                                                 (float*)tile->comps[1].data,
1434                                                 (float*)tile->comps[2].data,
1435                                                 n);
1436                         }
1437                 } else{
1438                         opj_event_msg(tcd->cinfo, EVT_WARNING,"Number of components (%d) is inconsistent with a MCT. Skip the MCT step.\n",tile->numcomps);
1439                 }
1440         }
1441
1442         /*---------------TILE-------------------*/
1443
1444         for (compno = 0; compno < tile->numcomps; ++compno) {
1445                 opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
1446                 opj_image_comp_t* imagec = &tcd->image->comps[compno];
1447                 opj_tcd_resolution_t* res = &tilec->resolutions[imagec->resno_decoded];
1448                 int adjust = imagec->sgnd ? 0 : 1 << (imagec->prec - 1);
1449                 int min = imagec->sgnd ? -(1 << (imagec->prec - 1)) : 0;
1450                 int max = imagec->sgnd ?  (1 << (imagec->prec - 1)) - 1 : (1 << imagec->prec) - 1;
1451
1452                 int tw = tilec->x1 - tilec->x0;
1453                 int w = imagec->w;
1454
1455                 int offset_x = int_ceildivpow2(imagec->x0, imagec->factor);
1456                 int offset_y = int_ceildivpow2(imagec->y0, imagec->factor);
1457
1458                 int i, j;
1459                 if(!imagec->data){
1460                         imagec->data = (int*) opj_malloc(imagec->w * imagec->h * sizeof(int));
1461                 }
1462                 if(tcd->tcp->tccps[compno].qmfbid == 1) {
1463                         for(j = res->y0; j < res->y1; ++j) {
1464                                 for(i = res->x0; i < res->x1; ++i) {
1465                                         int v = tilec->data[i - res->x0 + (j - res->y0) * tw];
1466                                         v += adjust;
1467                                         imagec->data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
1468                                 }
1469                         }
1470                 }else{
1471                         for(j = res->y0; j < res->y1; ++j) {
1472                                 for(i = res->x0; i < res->x1; ++i) {
1473                                         float tmp = ((float*)tilec->data)[i - res->x0 + (j - res->y0) * tw];
1474                                         int v = lrintf(tmp);
1475                                         v += adjust;
1476                                         imagec->data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
1477                                 }
1478                         }
1479                 }
1480                 opj_aligned_free(tilec->data);
1481         }
1482
1483         tile_time = opj_clock() - tile_time;    /* time needed to decode a tile */
1484         opj_event_msg(tcd->cinfo, EVT_INFO, "- tile decoded in %f s\n", tile_time);
1485
1486         if (eof) {
1487                 return OPJ_FALSE;
1488         }
1489
1490         return OPJ_TRUE;
1491 }
1492
1493 void tcd_free_decode(opj_tcd_t *tcd) {
1494         opj_tcd_image_t *tcd_image = tcd->tcd_image;
1495         opj_free(tcd_image->tiles);
1496 }
1497
1498 void tcd_free_decode_tile(opj_tcd_t *tcd, int tileno) {
1499         int compno,resno,bandno,precno;
1500
1501         opj_tcd_image_t *tcd_image = tcd->tcd_image;
1502
1503         opj_tcd_tile_t *tile = &tcd_image->tiles[tileno];
1504         for (compno = 0; compno < tile->numcomps; compno++) {
1505                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1506                 for (resno = 0; resno < tilec->numresolutions; resno++) {
1507                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1508                         for (bandno = 0; bandno < res->numbands; bandno++) {
1509                                 opj_tcd_band_t *band = &res->bands[bandno];
1510                                 for (precno = 0; precno < res->ph * res->pw; precno++) {
1511                                         opj_tcd_precinct_t *prec = &band->precincts[precno];
1512                                         if (prec->imsbtree != NULL) tgt_destroy(prec->imsbtree);
1513                                         if (prec->incltree != NULL) tgt_destroy(prec->incltree);
1514                                 }
1515                                 opj_free(band->precincts);
1516                         }
1517                 }
1518                 opj_free(tilec->resolutions);
1519         }
1520         opj_free(tile->comps);
1521 }
1522
1523
1524