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                                         }
 294
 295                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 296                                                 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 297
 298                                                 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 299                                                 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 300                                                 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 301                                                 int cbgyend = cbgystart + (1 << cbgheightexpn);
 302
 303                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
 304
 305                                                 /* precinct size (global) */
 306                                                 prc->x0 = int_max(cbgxstart, band->x0);
 307                                                 prc->y0 = int_max(cbgystart, band->y0);
 308                                                 prc->x1 = int_min(cbgxend, band->x1);
 309                                                 prc->y1 = int_min(cbgyend, band->y1);
 310
 311                                                 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 312                                                 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 313                                                 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 314                                                 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 315                                                 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 316                                                 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 317
 318                                                 prc->cblks.enc = (opj_tcd_cblk_enc_t*) opj_calloc((prc->cw * prc->ch), sizeof(opj_tcd_cblk_enc_t));
 319                                                 prc->incltree = tgt_create(prc->cw, prc->ch);
 320                                                 prc->imsbtree = tgt_create(prc->cw, prc->ch);
 321
 322                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 323                                                         int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 324                                                         int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 325                                                         int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 326                                                         int cblkyend = cblkystart + (1 << cblkheightexpn);
 327
 328                                                         opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
 329
 330                                                         /* code-block size (global) */
 331                                                         cblk->x0 = int_max(cblkxstart, prc->x0);
 332                                                         cblk->y0 = int_max(cblkystart, prc->y0);
 333                                                         cblk->x1 = int_min(cblkxend, prc->x1);
 334                                                         cblk->y1 = int_min(cblkyend, prc->y1);
 335                                                         cblk->data = (unsigned char*) opj_calloc(8192+2, sizeof(unsigned char));
 336                                                         /* FIXME: mqc_init_enc and mqc_byteout underrun the buffer if we don't do this. Why? */
 337                                                         cblk->data += 2;
 338                                                         cblk->layers = (opj_tcd_layer_t*) opj_calloc(100, sizeof(opj_tcd_layer_t));
 339                                                         cblk->passes = (opj_tcd_pass_t*) opj_calloc(100, sizeof(opj_tcd_pass_t));
 340                                                 }
 341                                         }
 342                                 }
 343                         }
 344                 }
 345         }
 346
 347         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 348 }
 349
 350 void tcd_free_encode(opj_tcd_t *tcd) {
 351         int tileno, compno, resno, bandno, precno, cblkno;
 352
 353         for (tileno = 0; tileno < 1; tileno++) {
 354                 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
 355
 356                 for (compno = 0; compno < tile->numcomps; compno++) {
 357                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 358
 359                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 360                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 361
 362                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 363                                         opj_tcd_band_t *band = &res->bands[bandno];
 364
 365                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 366                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
 367
 368                                                 if (prc->incltree != NULL) {
 369                                                         tgt_destroy(prc->incltree);
 370                                                         prc->incltree = NULL;
 371                                                 }
 372                                                 if (prc->imsbtree != NULL) {
 373                                                         tgt_destroy(prc->imsbtree);
 374                                                         prc->imsbtree = NULL;
 375                                                 }
 376                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 377                                                         opj_free(prc->cblks.enc[cblkno].data - 2);
 378                                                         opj_free(prc->cblks.enc[cblkno].layers);
 379                                                         opj_free(prc->cblks.enc[cblkno].passes);
 380                                                 }
 381                                                 opj_free(prc->cblks.enc);
 382                                         } /* for (precno */
 383                                         opj_free(band->precincts);
 384                                         band->precincts = NULL;
 385                                 } /* for (bandno */
 386                         } /* for (resno */
 387                         opj_free(tilec->resolutions);
 388                         tilec->resolutions = NULL;
 389                 } /* for (compno */
 390                 opj_free(tile->comps);
 391                 tile->comps = NULL;
 392         } /* for (tileno */
 393         opj_free(tcd->tcd_image->tiles);
 394         tcd->tcd_image->tiles = NULL;
 395 }
 396
 397 void tcd_init_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno) {
 398         int tileno, compno, resno, bandno, precno, cblkno;
 399
 400         for (tileno = 0; tileno < 1; tileno++) {
 401                 opj_tcp_t *tcp = &cp->tcps[curtileno];
 402                 int j;
 403                 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 404                 int p = curtileno % cp->tw;
 405                 int q = curtileno / cp->tw;
 406
 407                 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
 408
 409                 /* 4 borders of the tile rescale on the image if necessary */
 410                 tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 411                 tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 412                 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 413                 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 414
 415                 tile->numcomps = image->numcomps;
 416                 /* tile->PPT=image->PPT; */
 417
 418                 /* Modification of the RATE >> */
 419                 for (j = 0; j < tcp->numlayers; j++) {
 420                         tcp->rates[j] = tcp->rates[j] ?
 421                                 cp->tp_on ?
 422                                         (((float) (tile->numcomps
 423                                         * (tile->x1 - tile->x0)
 424                                         * (tile->y1 - tile->y0)
 425                                         * image->comps[0].prec))
 426                                         /(tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)) - (((tcd->cur_totnum_tp - 1) * 14 )/ tcp->numlayers)
 427                                         :
 428                                 ((float) (tile->numcomps
 429                                         * (tile->x1 - tile->x0)
 430                                         * (tile->y1 - tile->y0)
 431                                         * image->comps[0].prec))/
 432                                         (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)
 433                                         : 0;
 434
 435                         if (tcp->rates[j]) {
 436                                 if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
 437                                         tcp->rates[j] = tcp->rates[j - 1] + 20;
 438                                 } else {
 439                                         if (!j && tcp->rates[j] < 30)
 440                                                 tcp->rates[j] = 30;
 441                                 }
 442                         }
 443                 }
 444                 /* << Modification of the RATE */
 445
 446                 /* tile->comps=(opj_tcd_tilecomp_t*)opj_realloc(tile->comps,image->numcomps*sizeof(opj_tcd_tilecomp_t)); */
 447                 for (compno = 0; compno < tile->numcomps; compno++) {
 448                         opj_tccp_t *tccp = &tcp->tccps[compno];
 449
 450                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 451
 452                         /* border of each tile component (global) */
 453                         tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 454                         tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 455                         tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 456                         tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 457
 458                         tilec->data = (int *) opj_aligned_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
 459                         tilec->numresolutions = tccp->numresolutions;
 460                         /* tilec->resolutions=(opj_tcd_resolution_t*)opj_realloc(tilec->resolutions,tilec->numresolutions*sizeof(opj_tcd_resolution_t)); */
 461                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 462                                 int pdx, pdy;
 463
 464                                 int levelno = tilec->numresolutions - 1 - resno;
 465                                 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 466                                 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 467                                 int cbgwidthexpn, cbgheightexpn;
 468                                 int cblkwidthexpn, cblkheightexpn;
 469
 470                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 471
 472                                 /* border for each resolution level (global) */
 473                                 res->x0 = int_ceildivpow2(tilec->x0, levelno);
 474                                 res->y0 = int_ceildivpow2(tilec->y0, levelno);
 475                                 res->x1 = int_ceildivpow2(tilec->x1, levelno);
 476                                 res->y1 = int_ceildivpow2(tilec->y1, levelno);
 477                                 res->numbands = resno == 0 ? 1 : 3;
 478
 479                                 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 480                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 481                                         pdx = tccp->prcw[resno];
 482                                         pdy = tccp->prch[resno];
 483                                 } else {
 484                                         pdx = 15;
 485                                         pdy = 15;
 486                                 }
 487                                 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 488                                 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 489                                 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 490                                 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 491                                 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 492
 493                                 res->pw = (brprcxend - tlprcxstart) >> pdx;
 494                                 res->ph = (brprcyend - tlprcystart) >> pdy;
 495
 496                                 if (resno == 0) {
 497                                         tlcbgxstart = tlprcxstart;
 498                                         tlcbgystart = tlprcystart;
 499                                         brcbgxend = brprcxend;
 500                                         brcbgyend = brprcyend;
 501                                         cbgwidthexpn = pdx;
 502                                         cbgheightexpn = pdy;
 503                                 } else {
 504                                         tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 505                                         tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 506                                         brcbgxend = int_ceildivpow2(brprcxend, 1);
 507                                         brcbgyend = int_ceildivpow2(brprcyend, 1);
 508                                         cbgwidthexpn = pdx - 1;
 509                                         cbgheightexpn = pdy - 1;
 510                                 }
 511
 512                                 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 513                                 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 514
 515                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 516                                         int x0b, y0b;
 517                                         int gain, numbps;
 518                                         opj_stepsize_t *ss = NULL;
 519
 520                                         opj_tcd_band_t *band = &res->bands[bandno];
 521
 522                                         band->bandno = resno == 0 ? 0 : bandno + 1;
 523                                         x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 524                                         y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 525
 526                                         if (band->bandno == 0) {
 527                                                 /* band border */
 528                                                 band->x0 = int_ceildivpow2(tilec->x0, levelno);
 529                                                 band->y0 = int_ceildivpow2(tilec->y0, levelno);
 530                                                 band->x1 = int_ceildivpow2(tilec->x1, levelno);
 531                                                 band->y1 = int_ceildivpow2(tilec->y1, levelno);
 532                                         } else {
 533                                                 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 534                                                 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 535                                                 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 536                                                 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 537                                         }
 538
 539                                         ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 540                                         gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 541                                         numbps = image->comps[compno].prec + gain;
 542                                         band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
 543                                         band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 544
 545                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 546                                                 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 547
 548                                                 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 549                                                 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 550                                                 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 551                                                 int cbgyend = cbgystart + (1 << cbgheightexpn);
 552
 553                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
 554
 555                                                 /* precinct size (global) */
 556                                                 prc->x0 = int_max(cbgxstart, band->x0);
 557                                                 prc->y0 = int_max(cbgystart, band->y0);
 558                                                 prc->x1 = int_min(cbgxend, band->x1);
 559                                                 prc->y1 = int_min(cbgyend, band->y1);
 560
 561                                                 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 562                                                 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 563                                                 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 564                                                 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 565                                                 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 566                                                 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 567
 568                                                 opj_free(prc->cblks.enc);
 569                                                 prc->cblks.enc = (opj_tcd_cblk_enc_t*) opj_calloc(prc->cw * prc->ch, sizeof(opj_tcd_cblk_enc_t));
 570
 571                                                 if (prc->incltree != NULL) {
 572                                                         tgt_destroy(prc->incltree);
 573                                                 }
 574                                                 if (prc->imsbtree != NULL) {
 575                                                         tgt_destroy(prc->imsbtree);
 576                                                 }
 577
 578                                                 prc->incltree = tgt_create(prc->cw, prc->ch);
 579                                                 prc->imsbtree = tgt_create(prc->cw, prc->ch);
 580
 581                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 582                                                         int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 583                                                         int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 584                                                         int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 585                                                         int cblkyend = cblkystart + (1 << cblkheightexpn);
 586
 587                                                         opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
 588
 589                                                         /* code-block size (global) */
 590                                                         cblk->x0 = int_max(cblkxstart, prc->x0);
 591                                                         cblk->y0 = int_max(cblkystart, prc->y0);
 592                                                         cblk->x1 = int_min(cblkxend, prc->x1);
 593                                                         cblk->y1 = int_min(cblkyend, prc->y1);
 594                                                         cblk->data = (unsigned char*) opj_calloc(8192+2, sizeof(unsigned char));
 595                                                         /* FIXME: mqc_init_enc and mqc_byteout underrun the buffer if we don't do this. Why? */
 596                                                         cblk->data += 2;
 597                                                         cblk->layers = (opj_tcd_layer_t*) opj_calloc(100, sizeof(opj_tcd_layer_t));
 598                                                         cblk->passes = (opj_tcd_pass_t*) opj_calloc(100, sizeof(opj_tcd_pass_t));
 599                                                 }
 600                                         } /* precno */
 601                                 } /* bandno */
 602                         } /* resno */
 603                 } /* compno */
 604         } /* tileno */
 605
 606         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 607 }
 608
 609 void tcd_malloc_decode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp) {
 610         int i, j, tileno, p, q;
 611         unsigned int x0 = 0, y0 = 0, x1 = 0, y1 = 0, w, h;
 612
 613         tcd->image = image;
 614         tcd->tcd_image->tw = cp->tw;
 615         tcd->tcd_image->th = cp->th;
 616         tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tcd_tile_t));
 617
 618         /*
 619         Allocate place to store the decoded data = final image
 620         Place limited by the tile really present in the codestream
 621         */
 622
 623         for (j = 0; j < cp->tileno_size; j++) {
 624                 opj_tcd_tile_t *tile;
 625
 626                 tileno = cp->tileno[j];
 627                 tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
 628                 tile->numcomps = image->numcomps;
 629                 tile->comps = (opj_tcd_tilecomp_t*) opj_calloc(image->numcomps, sizeof(opj_tcd_tilecomp_t));
 630         }
 631
 632         for (i = 0; i < image->numcomps; i++) {
 633                 for (j = 0; j < cp->tileno_size; j++) {
 634                         opj_tcd_tile_t *tile;
 635                         opj_tcd_tilecomp_t *tilec;
 636
 637                         /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 638
 639                         tileno = cp->tileno[j];
 640
 641                         tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
 642                         tilec = &tile->comps[i];
 643
 644                         p = tileno % cp->tw;    /* si numerotation matricielle .. */
 645                         q = tileno / cp->tw;    /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
 646
 647                         /* 4 borders of the tile rescale on the image if necessary */
 648                         tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 649                         tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 650                         tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 651                         tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 652
 653                         tilec->x0 = int_ceildiv(tile->x0, image->comps[i].dx);
 654                         tilec->y0 = int_ceildiv(tile->y0, image->comps[i].dy);
 655                         tilec->x1 = int_ceildiv(tile->x1, image->comps[i].dx);
 656                         tilec->y1 = int_ceildiv(tile->y1, image->comps[i].dy);
 657
 658                         x0 = j == 0 ? tilec->x0 : int_min(x0, (unsigned int) tilec->x0);
 659                         y0 = j == 0 ? tilec->y0 : int_min(y0,   (unsigned int) tilec->x0);
 660                         x1 = j == 0 ? tilec->x1 : int_max(x1,   (unsigned int) tilec->x1);
 661                         y1 = j == 0 ? tilec->y1 : int_max(y1,   (unsigned int) tilec->y1);
 662                 }
 663
 664                 w = int_ceildivpow2(x1 - x0, image->comps[i].factor);
 665                 h = int_ceildivpow2(y1 - y0, image->comps[i].factor);
 666
 667                 image->comps[i].w = w;
 668                 image->comps[i].h = h;
 669                 image->comps[i].x0 = x0;
 670                 image->comps[i].y0 = y0;
 671         }
 672 }
 673
 674 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) {
 675         int compno, resno, bandno, precno, cblkno;
 676         opj_tcp_t *tcp;
 677         opj_tcd_tile_t *tile;
 678
 679         OPJ_ARG_NOT_USED(cstr_info);
 680
 681         tcd->cp = cp;
 682
 683         tcp = &(cp->tcps[cp->tileno[tileno]]);
 684         tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
 685
 686         tileno = cp->tileno[tileno];
 687
 688         for (compno = 0; compno < tile->numcomps; compno++) {
 689                 opj_tccp_t *tccp = &tcp->tccps[compno];
 690                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 691
 692                 /* border of each tile component (global) */
 693                 tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 694                 tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 695                 tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 696                 tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 697
 698                 tilec->numresolutions = tccp->numresolutions;
 699                 tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));
 700
 701                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 702                         int pdx, pdy;
 703                         int levelno = tilec->numresolutions - 1 - resno;
 704                         int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 705                         int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 706                         int cbgwidthexpn, cbgheightexpn;
 707                         int cblkwidthexpn, cblkheightexpn;
 708
 709                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 710
 711                         /* border for each resolution level (global) */
 712                         res->x0 = int_ceildivpow2(tilec->x0, levelno);
 713                         res->y0 = int_ceildivpow2(tilec->y0, levelno);
 714                         res->x1 = int_ceildivpow2(tilec->x1, levelno);
 715                         res->y1 = int_ceildivpow2(tilec->y1, levelno);
 716                         res->numbands = resno == 0 ? 1 : 3;
 717
 718                         /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 719                         if (tccp->csty & J2K_CCP_CSTY_PRT) {
 720                                 pdx = tccp->prcw[resno];
 721                                 pdy = tccp->prch[resno];
 722                         } else {
 723                                 pdx = 15;
 724                                 pdy = 15;
 725                         }
 726
 727                         /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 728                         tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 729                         tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 730                         brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 731                         brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 732
 733                         res->pw = (res->x0 == res->x1) ? 0 : ((brprcxend - tlprcxstart) >> pdx);
 734                         res->ph = (res->y0 == res->y1) ? 0 : ((brprcyend - tlprcystart) >> pdy);
 735
 736                         if (resno == 0) {
 737                                 tlcbgxstart = tlprcxstart;
 738                                 tlcbgystart = tlprcystart;
 739                                 brcbgxend = brprcxend;
 740                                 brcbgyend = brprcyend;
 741                                 cbgwidthexpn = pdx;
 742                                 cbgheightexpn = pdy;
 743                         } else {
 744                                 tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 745                                 tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 746                                 brcbgxend = int_ceildivpow2(brprcxend, 1);
 747                                 brcbgyend = int_ceildivpow2(brprcyend, 1);
 748                                 cbgwidthexpn = pdx - 1;
 749                                 cbgheightexpn = pdy - 1;
 750                         }
 751
 752                         cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 753                         cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 754
 755                         for (bandno = 0; bandno < res->numbands; bandno++) {
 756                                 int x0b, y0b;
 757                                 int gain, numbps;
 758                                 opj_stepsize_t *ss = NULL;
 759
 760                                 opj_tcd_band_t *band = &res->bands[bandno];
 761                                 band->bandno = resno == 0 ? 0 : bandno + 1;
 762                                 x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 763                                 y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 764
 765                                 if (band->bandno == 0) {
 766                                         /* band border (global) */
 767                                         band->x0 = int_ceildivpow2(tilec->x0, levelno);
 768                                         band->y0 = int_ceildivpow2(tilec->y0, levelno);
 769                                         band->x1 = int_ceildivpow2(tilec->x1, levelno);
 770                                         band->y1 = int_ceildivpow2(tilec->y1, levelno);
 771                                 } else {
 772                                         /* band border (global) */
 773                                         band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 774                                         band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 775                                         band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 776                                         band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 777                                 }
 778
 779                                 ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 780                                 gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 781                                 numbps = image->comps[compno].prec + gain;
 782                                 band->stepsize = (float)(((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn)) * 0.5);
 783                                 band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 784
 785                                 band->precincts = (opj_tcd_precinct_t *) opj_malloc(res->pw * res->ph * sizeof(opj_tcd_precinct_t));
 786
 787                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 788                                         int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 789                                         int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 790                                         int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 791                                         int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 792                                         int cbgyend = cbgystart + (1 << cbgheightexpn);
 793
 794                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 795                                         /* precinct size (global) */
 796                                         prc->x0 = int_max(cbgxstart, band->x0);
 797                                         prc->y0 = int_max(cbgystart, band->y0);
 798                                         prc->x1 = int_min(cbgxend, band->x1);
 799                                         prc->y1 = int_min(cbgyend, band->y1);
 800
 801                                         tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 802                                         tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 803                                         brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 804                                         brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 805                                         prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 806                                         prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 807
 808                                         prc->cblks.dec = (opj_tcd_cblk_dec_t*) opj_malloc(prc->cw * prc->ch * sizeof(opj_tcd_cblk_dec_t));
 809
 810                                         prc->incltree = tgt_create(prc->cw, prc->ch);
 811                                         prc->imsbtree = tgt_create(prc->cw, prc->ch);
 812
 813                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 814                                                 int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 815                                                 int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 816                                                 int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 817                                                 int cblkyend = cblkystart + (1 << cblkheightexpn);
 818
 819                                                 opj_tcd_cblk_dec_t* cblk = &prc->cblks.dec[cblkno];
 820                                                 cblk->data = NULL;
 821                                                 cblk->segs = NULL;
 822                                                 /* code-block size (global) */
 823                                                 cblk->x0 = int_max(cblkxstart, prc->x0);
 824                                                 cblk->y0 = int_max(cblkystart, prc->y0);
 825                                                 cblk->x1 = int_min(cblkxend, prc->x1);
 826                                                 cblk->y1 = int_min(cblkyend, prc->y1);
 827                                                 cblk->numsegs = 0;
 828                                         }
 829                                 } /* precno */
 830                         } /* bandno */
 831                 } /* resno */
 832         } /* compno */
 833         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 834 }
 835
 836 void tcd_makelayer_fixed(opj_tcd_t *tcd, int layno, int final) {
 837         int compno, resno, bandno, precno, cblkno;
 838         int value;                      /*, matrice[tcd_tcp->numlayers][tcd_tile->comps[0].numresolutions][3]; */
 839         int matrice[10][10][3];
 840         int i, j, k;
 841
 842         opj_cp_t *cp = tcd->cp;
 843         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
 844         opj_tcp_t *tcd_tcp = tcd->tcp;
 845
 846         /*matrice=(int*)opj_malloc(tcd_tcp->numlayers*tcd_tile->comps[0].numresolutions*3*sizeof(int)); */
 847
 848         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 849                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
 850                 for (i = 0; i < tcd_tcp->numlayers; i++) {
 851                         for (j = 0; j < tilec->numresolutions; j++) {
 852                                 for (k = 0; k < 3; k++) {
 853                                         matrice[i][j][k] =
 854                                                 (int) (cp->matrice[i * tilec->numresolutions * 3 + j * 3 + k]
 855                                                 * (float) (tcd->image->comps[compno].prec / 16.0));
 856                                 }
 857                         }
 858                 }
 859
 860                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 861                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 862                         for (bandno = 0; bandno < res->numbands; bandno++) {
 863                                 opj_tcd_band_t *band = &res->bands[bandno];
 864                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 865                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 866                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 867                                                 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
 868                                                 opj_tcd_layer_t *layer = &cblk->layers[layno];
 869                                                 int n;
 870                                                 int imsb = tcd->image->comps[compno].prec - cblk->numbps;       /* number of bit-plan equal to zero */
 871                                                 /* Correction of the matrix of coefficient to include the IMSB information */
 872                                                 if (layno == 0) {
 873                                                         value = matrice[layno][resno][bandno];
 874                                                         if (imsb >= value) {
 875                                                                 value = 0;
 876                                                         } else {
 877                                                                 value -= imsb;
 878                                                         }
 879                                                 } else {
 880                                                         value = matrice[layno][resno][bandno] - matrice[layno - 1][resno][bandno];
 881                                                         if (imsb >= matrice[layno - 1][resno][bandno]) {
 882                                                                 value -= (imsb - matrice[layno - 1][resno][bandno]);
 883                                                                 if (value < 0) {
 884                                                                         value = 0;
 885                                                                 }
 886                                                         }
 887                                                 }
 888
 889                                                 if (layno == 0) {
 890                                                         cblk->numpassesinlayers = 0;
 891                                                 }
 892
 893                                                 n = cblk->numpassesinlayers;
 894                                                 if (cblk->numpassesinlayers == 0) {
 895                                                         if (value != 0) {
 896                                                                 n = 3 * value - 2 + cblk->numpassesinlayers;
 897                                                         } else {
 898                                                                 n = cblk->numpassesinlayers;
 899                                                         }
 900                                                 } else {
 901                                                         n = 3 * value + cblk->numpassesinlayers;
 902                                                 }
 903
 904                                                 layer->numpasses = n - cblk->numpassesinlayers;
 905
 906                                                 if (!layer->numpasses)
 907                                                         continue;
 908
 909                                                 if (cblk->numpassesinlayers == 0) {
 910                                                         layer->len = cblk->passes[n - 1].rate;
 911                                                         layer->data = cblk->data;
 912                                                 } else {
 913                                                         layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
 914                                                         layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
 915                                                 }
 916                                                 if (final)
 917                                                         cblk->numpassesinlayers = n;
 918                                         }
 919                                 }
 920                         }
 921                 }
 922         }
 923 }
 924
 925 void tcd_rateallocate_fixed(opj_tcd_t *tcd) {
 926         int layno;
 927         for (layno = 0; layno < tcd->tcp->numlayers; layno++) {
 928                 tcd_makelayer_fixed(tcd, layno, 1);
 929         }
 930 }
 931
 932 void tcd_makelayer(opj_tcd_t *tcd, int layno, double thresh, int final) {
 933         int compno, resno, bandno, precno, cblkno, passno;
 934
 935         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
 936
 937         tcd_tile->distolayer[layno] = 0;        /* fixed_quality */
 938
 939         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 940                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
 941                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 942                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 943                         for (bandno = 0; bandno < res->numbands; bandno++) {
 944                                 opj_tcd_band_t *band = &res->bands[bandno];
 945                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 946                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 947                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 948                                                 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
 949                                                 opj_tcd_layer_t *layer = &cblk->layers[layno];
 950
 951                                                 int n;
 952                                                 if (layno == 0) {
 953                                                         cblk->numpassesinlayers = 0;
 954                                                 }
 955                                                 n = cblk->numpassesinlayers;
 956                                                 for (passno = cblk->numpassesinlayers; passno < cblk->totalpasses; passno++) {
 957                                                         int dr;
 958                                                         double dd;
 959                                                         opj_tcd_pass_t *pass = &cblk->passes[passno];
 960                                                         if (n == 0) {
 961                                                                 dr = pass->rate;
 962                                                                 dd = pass->distortiondec;
 963                                                         } else {
 964                                                                 dr = pass->rate - cblk->passes[n - 1].rate;
 965                                                                 dd = pass->distortiondec - cblk->passes[n - 1].distortiondec;
 966                                                         }
 967                                                         if (!dr) {
 968                                                                 if (dd != 0)
 969                                                                         n = passno + 1;
 970                                                                 continue;
 971                                                         }
 972                                                         if (dd / dr >= thresh)
 973                                                                 n = passno + 1;
 974                                                 }
 975                                                 layer->numpasses = n - cblk->numpassesinlayers;
 976
 977                                                 if (!layer->numpasses) {
 978                                                         layer->disto = 0;
 979                                                         continue;
 980                                                 }
 981                                                 if (cblk->numpassesinlayers == 0) {
 982                                                         layer->len = cblk->passes[n - 1].rate;
 983                                                         layer->data = cblk->data;
 984                                                         layer->disto = cblk->passes[n - 1].distortiondec;
 985                                                 } else {
 986                                                         layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
 987                                                         layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
 988                                                         layer->disto = cblk->passes[n - 1].distortiondec - cblk->passes[cblk->numpassesinlayers - 1].distortiondec;
 989                                                 }
 990
 991                                                 tcd_tile->distolayer[layno] += layer->disto;    /* fixed_quality */
 992
 993                                                 if (final)
 994                                                         cblk->numpassesinlayers = n;
 995                                         }
 996                                 }
 997                         }
 998                 }
 999         }
1000 }
1001
1002 opj_bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_codestream_info_t *cstr_info) {
1003         int compno, resno, bandno, precno, cblkno, passno, layno;
1004         double min, max;
1005         double cumdisto[100];   /* fixed_quality */
1006         const double K = 1;             /* 1.1; fixed_quality */
1007         double maxSE = 0;
1008
1009         opj_cp_t *cp = tcd->cp;
1010         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
1011         opj_tcp_t *tcd_tcp = tcd->tcp;
1012
1013         min = DBL_MAX;
1014         max = 0;
1015
1016         tcd_tile->numpix = 0;           /* fixed_quality */
1017
1018         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
1019                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
1020                 tilec->numpix = 0;
1021
1022                 for (resno = 0; resno < tilec->numresolutions; resno++) {
1023                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1024
1025                         for (bandno = 0; bandno < res->numbands; bandno++) {
1026                                 opj_tcd_band_t *band = &res->bands[bandno];
1027
1028                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
1029                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
1030
1031                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
1032                                                 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
1033
1034                                                 for (passno = 0; passno < cblk->totalpasses; passno++) {
1035                                                         opj_tcd_pass_t *pass = &cblk->passes[passno];
1036                                                         int dr;
1037                                                         double dd, rdslope;
1038                                                         if (passno == 0) {
1039                                                                 dr = pass->rate;
1040                                                                 dd = pass->distortiondec;
1041                                                         } else {
1042                                                                 dr = pass->rate - cblk->passes[passno - 1].rate;
1043                                                                 dd = pass->distortiondec - cblk->passes[passno - 1].distortiondec;
1044                                                         }
1045                                                         if (dr == 0) {
1046                                                                 continue;
1047                                                         }
1048                                                         rdslope = dd / dr;
1049                                                         if (rdslope < min) {
1050                                                                 min = rdslope;
1051                                                         }
1052                                                         if (rdslope > max) {
1053                                                                 max = rdslope;
1054                                                         }
1055                                                 } /* passno */
1056
1057                                                 /* fixed_quality */
1058                                                 tcd_tile->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1059                                                 tilec->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1060                                         } /* cbklno */
1061                                 } /* precno */
1062                         } /* bandno */
1063                 } /* resno */
1064
1065                 maxSE += (((double)(1 << tcd->image->comps[compno].prec) - 1.0)
1066                         * ((double)(1 << tcd->image->comps[compno].prec) -1.0))
1067                         * ((double)(tilec->numpix));
1068         } /* compno */
1069
1070         /* index file */
1071         if(cstr_info) {
1072                 opj_tile_info_t *tile_info = &cstr_info->tile[tcd->tcd_tileno];
1073                 tile_info->numpix = tcd_tile->numpix;
1074                 tile_info->distotile = tcd_tile->distotile;
1075                 tile_info->thresh = (double *) opj_malloc(tcd_tcp->numlayers * sizeof(double));
1076         }
1077
1078         for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
1079                 double lo = min;
1080                 double hi = max;
1081                 int success = 0;
1082                 int maxlen = tcd_tcp->rates[layno] ? int_min(((int) ceil(tcd_tcp->rates[layno])), len) : len;
1083                 double goodthresh = 0;
1084                 double stable_thresh = 0;
1085                 int i;
1086                 double distotarget;             /* fixed_quality */
1087
1088                 /* fixed_quality */
1089                 distotarget = tcd_tile->distotile - ((K * maxSE) / pow((float)10, tcd_tcp->distoratio[layno] / 10));
1090
1091                 /* Don't try to find an optimal threshold but rather take everything not included yet, if
1092                   -r xx,yy,zz,0   (disto_alloc == 1 and rates == 0)
1093                   -q xx,yy,zz,0   (fixed_quality == 1 and distoratio == 0)
1094                   ==> possible to have some lossy layers and the last layer for sure lossless */
1095                 if ( ((cp->disto_alloc==1) && (tcd_tcp->rates[layno]>0)) || ((cp->fixed_quality==1) && (tcd_tcp->distoratio[layno]>0))) {
1096                         opj_t2_t *t2 = t2_create(tcd->cinfo, tcd->image, cp);
1097                         double thresh = 0;
1098
1099                         for (i = 0; i < 128; i++) {
1100                                 int l = 0;
1101                                 double distoachieved = 0;       /* fixed_quality */
1102                                 thresh = (lo + hi) / 2;
1103
1104                                 tcd_makelayer(tcd, layno, thresh, 0);
1105
1106                                 if (cp->fixed_quality) {        /* fixed_quality */
1107                                         if(cp->cinema){
1108                                                 l = t2_encode_packets(t2,tcd->tcd_tileno, tcd_tile, layno + 1, dest, maxlen, cstr_info,tcd->cur_tp_num,tcd->tp_pos,tcd->cur_pino,THRESH_CALC, tcd->cur_totnum_tp);
1109                                                 if (l == -999) {
1110                                                         lo = thresh;
1111                                                         continue;
1112                                                 }else{
1113                         distoachieved = layno == 0 ?
1114                                                         tcd_tile->distolayer[0] : cumdisto[layno - 1] + tcd_tile->distolayer[layno];
1115                                                         if (distoachieved < distotarget) {
1116                                                                 hi=thresh;
1117                                                                 stable_thresh = thresh;
1118                                                                 continue;
1119                                                         }else{
1120                                                                 lo=thresh;
1121                                                         }
1122                                                 }
1123                                         }else{
1124                                                 distoachieved = (layno == 0) ?
1125                                                         tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
1126                                                 if (distoachieved < distotarget) {
1127                                                         hi = thresh;
1128                                                         stable_thresh = thresh;
1129                                                         continue;
1130                                                 }
1131                                                 lo = thresh;
1132                                         }
1133                                 } else {
1134                                         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);
1135                                         /* TODO: what to do with l ??? seek / tell ??? */
1136                                         /* opj_event_msg(tcd->cinfo, EVT_INFO, "rate alloc: len=%d, max=%d\n", l, maxlen); */
1137                                         if (l == -999) {
1138                                                 lo = thresh;
1139                                                 continue;
1140                                         }
1141                                         hi = thresh;
1142                                         stable_thresh = thresh;
1143                                 }
1144                         }
1145                         success = 1;
1146                         goodthresh = stable_thresh == 0? thresh : stable_thresh;
1147                         t2_destroy(t2);
1148                 } else {
1149                         success = 1;
1150                         goodthresh = min;
1151                 }
1152
1153                 if (!success) {
1154                         return OPJ_FALSE;
1155                 }
1156
1157                 if(cstr_info) { /* Threshold for Marcela Index */
1158                         cstr_info->tile[tcd->tcd_tileno].thresh[layno] = goodthresh;
1159                 }
1160                 tcd_makelayer(tcd, layno, goodthresh, 1);
1161
1162                 /* fixed_quality */
1163                 cumdisto[layno] = (layno == 0) ? tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
1164         }
1165
1166         return OPJ_TRUE;
1167 }
1168
1169 int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len, opj_codestream_info_t *cstr_info) {
1170         int compno;
1171         int l, i, numpacks = 0;
1172         opj_tcd_tile_t *tile = NULL;
1173         opj_tcp_t *tcd_tcp = NULL;
1174         opj_cp_t *cp = NULL;
1175
1176         opj_tcp_t *tcp = &tcd->cp->tcps[0];
1177         opj_tccp_t *tccp = &tcp->tccps[0];
1178         opj_image_t *image = tcd->image;
1179
1180         opj_t1_t *t1 = NULL;            /* T1 component */
1181         opj_t2_t *t2 = NULL;            /* T2 component */
1182
1183         tcd->tcd_tileno = tileno;
1184         tcd->tcd_tile = tcd->tcd_image->tiles;
1185         tcd->tcp = &tcd->cp->tcps[tileno];
1186
1187         tile = tcd->tcd_tile;
1188         tcd_tcp = tcd->tcp;
1189         cp = tcd->cp;
1190
1191         if(tcd->cur_tp_num == 0){
1192                 tcd->encoding_time = opj_clock();       /* time needed to encode a tile */
1193                 /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
1194                 if(cstr_info) {
1195                         opj_tcd_tilecomp_t *tilec_idx = &tile->comps[0];        /* based on component 0 */
1196                         for (i = 0; i < tilec_idx->numresolutions; i++) {
1197                                 opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];
1198
1199                                 cstr_info->tile[tileno].pw[i] = res_idx->pw;
1200                                 cstr_info->tile[tileno].ph[i] = res_idx->ph;
1201
1202                                 numpacks += res_idx->pw * res_idx->ph;
1203
1204                                 cstr_info->tile[tileno].pdx[i] = tccp->prcw[i];
1205                                 cstr_info->tile[tileno].pdy[i] = tccp->prch[i];
1206                         }
1207                         cstr_info->tile[tileno].packet = (opj_packet_info_t*) opj_calloc(cstr_info->numcomps * cstr_info->numlayers * numpacks, sizeof(opj_packet_info_t));
1208                 }
1209                 /* << INDEX */
1210
1211                 /*---------------TILE-------------------*/
1212
1213                 for (compno = 0; compno < tile->numcomps; compno++) {
1214                         int x, y;
1215
1216                         int adjust = image->comps[compno].sgnd ? 0 : 1 << (image->comps[compno].prec - 1);
1217                         int offset_x = int_ceildiv(image->x0, image->comps[compno].dx);
1218                         int offset_y = int_ceildiv(image->y0, image->comps[compno].dy);
1219
1220                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1221                         int tw = tilec->x1 - tilec->x0;
1222                         int w = int_ceildiv(image->x1 - image->x0, image->comps[compno].dx);
1223
1224                         /* extract tile data */
1225
1226                         if (tcd_tcp->tccps[compno].qmfbid == 1) {
1227                                 for (y = tilec->y0; y < tilec->y1; y++) {
1228                                         /* start of the src tile scanline */
1229                                         int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1230                                         /* start of the dst tile scanline */
1231                                         int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1232                                         for (x = tilec->x0; x < tilec->x1; x++) {
1233                                                 *tile_data++ = *data++ - adjust;
1234                                         }
1235                                 }
1236                         } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1237                                 for (y = tilec->y0; y < tilec->y1; y++) {
1238                                         /* start of the src tile scanline */
1239                                         int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1240                                         /* start of the dst tile scanline */
1241                                         int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1242                                         for (x = tilec->x0; x < tilec->x1; x++) {
1243                                                 *tile_data++ = (*data++ - adjust) << 11;
1244                                         }
1245
1246                                 }
1247                         }
1248                 }
1249
1250                 /*----------------MCT-------------------*/
1251                 if (tcd_tcp->mct) {
1252                         int samples = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
1253                         if (tcd_tcp->tccps[0].qmfbid == 0) {
1254                                 mct_encode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1255                         } else {
1256                                 mct_encode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1257                         }
1258                 }
1259
1260                 /*----------------DWT---------------------*/
1261
1262                 for (compno = 0; compno < tile->numcomps; compno++) {
1263                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1264                         if (tcd_tcp->tccps[compno].qmfbid == 1) {
1265                                 dwt_encode(tilec);
1266                         } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1267                                 dwt_encode_real(tilec);
1268                         }
1269                 }
1270
1271                 /*------------------TIER1-----------------*/
1272                 t1 = t1_create(tcd->cinfo);
1273                 t1_encode_cblks(t1, tile, tcd_tcp);
1274                 t1_destroy(t1);
1275
1276                 /*-----------RATE-ALLOCATE------------------*/
1277
1278                 /* INDEX */
1279                 if(cstr_info) {
1280                         cstr_info->index_write = 0;
1281                 }
1282                 if (cp->disto_alloc || cp->fixed_quality) {     /* fixed_quality */
1283                         /* Normal Rate/distortion allocation */
1284                         tcd_rateallocate(tcd, dest, len, cstr_info);
1285                 } else {
1286                         /* Fixed layer allocation */
1287                         tcd_rateallocate_fixed(tcd);
1288                 }
1289         }
1290         /*--------------TIER2------------------*/
1291
1292         /* INDEX */
1293         if(cstr_info) {
1294                 cstr_info->index_write = 1;
1295         }
1296
1297         t2 = t2_create(tcd->cinfo, image, cp);
1298         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);
1299         t2_destroy(t2);
1300
1301         /*---------------CLEAN-------------------*/
1302
1303
1304         if(tcd->cur_tp_num == tcd->cur_totnum_tp - 1){
1305                 tcd->encoding_time = opj_clock() - tcd->encoding_time;
1306                 opj_event_msg(tcd->cinfo, EVT_INFO, "- tile encoded in %f s\n", tcd->encoding_time);
1307
1308                 /* cleaning memory */
1309                 for (compno = 0; compno < tile->numcomps; compno++) {
1310                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1311                         opj_aligned_free(tilec->data);
1312                 }
1313         }
1314
1315         return l;
1316 }
1317
1318 opj_bool tcd_decode_tile(opj_tcd_t *tcd, unsigned char *src, int len, int tileno, opj_codestream_info_t *cstr_info) {
1319         int l;
1320         int compno;
1321         int eof = 0;
1322         double tile_time, t1_time, dwt_time;
1323         opj_tcd_tile_t *tile = NULL;
1324
1325         opj_t1_t *t1 = NULL;            /* T1 component */
1326         opj_t2_t *t2 = NULL;            /* T2 component */
1327
1328         tcd->tcd_tileno = tileno;
1329         tcd->tcd_tile = &(tcd->tcd_image->tiles[tileno]);
1330         tcd->tcp = &(tcd->cp->tcps[tileno]);
1331         tile = tcd->tcd_tile;
1332
1333         tile_time = opj_clock();        /* time needed to decode a tile */
1334         opj_event_msg(tcd->cinfo, EVT_INFO, "tile %d of %d\n", tileno + 1, tcd->cp->tw * tcd->cp->th);
1335
1336         /* INDEX >>  */
1337         if(cstr_info) {
1338                 int resno, compno, numprec = 0;
1339                 for (compno = 0; compno < cstr_info->numcomps; compno++) {
1340                         opj_tcp_t *tcp = &tcd->cp->tcps[0];
1341                         opj_tccp_t *tccp = &tcp->tccps[compno];
1342                         opj_tcd_tilecomp_t *tilec_idx = &tile->comps[compno];
1343                         for (resno = 0; resno < tilec_idx->numresolutions; resno++) {
1344                                 opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[resno];
1345                                 cstr_info->tile[tileno].pw[resno] = res_idx->pw;
1346                                 cstr_info->tile[tileno].ph[resno] = res_idx->ph;
1347                                 numprec += res_idx->pw * res_idx->ph;
1348                                 if (tccp->csty & J2K_CP_CSTY_PRT) {
1349                                         cstr_info->tile[tileno].pdx[resno] = tccp->prcw[resno];
1350                                         cstr_info->tile[tileno].pdy[resno] = tccp->prch[resno];
1351                                 }
1352                                 else {
1353                                         cstr_info->tile[tileno].pdx[resno] = 15;
1354                                         cstr_info->tile[tileno].pdx[resno] = 15;
1355                                 }
1356                         }
1357                 }
1358                 cstr_info->tile[tileno].packet = (opj_packet_info_t *) opj_malloc(cstr_info->numlayers * numprec * sizeof(opj_packet_info_t));
1359                 cstr_info->packno = 0;
1360         }
1361         /* << INDEX */
1362
1363         /*--------------TIER2------------------*/
1364
1365         t2 = t2_create(tcd->cinfo, tcd->image, tcd->cp);
1366         l = t2_decode_packets(t2, src, len, tileno, tile, cstr_info);
1367         t2_destroy(t2);
1368
1369         if (l == -999) {
1370                 eof = 1;
1371                 opj_event_msg(tcd->cinfo, EVT_ERROR, "tcd_decode: incomplete bistream\n");
1372         }
1373
1374         /*------------------TIER1-----------------*/
1375
1376         t1_time = opj_clock();  /* time needed to decode a tile */
1377         t1 = t1_create(tcd->cinfo);
1378         for (compno = 0; compno < tile->numcomps; ++compno) {
1379                 opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
1380                 /* The +3 is headroom required by the vectorized DWT */
1381                 tilec->data = (int*) opj_aligned_malloc((((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0))+3) * sizeof(int));
1382                 t1_decode_cblks(t1, tilec, &tcd->tcp->tccps[compno]);
1383         }
1384         t1_destroy(t1);
1385         t1_time = opj_clock() - t1_time;
1386         opj_event_msg(tcd->cinfo, EVT_INFO, "- tiers-1 took %f s\n", t1_time);
1387
1388         /*----------------DWT---------------------*/
1389
1390         dwt_time = opj_clock(); /* time needed to decode a tile */
1391         for (compno = 0; compno < tile->numcomps; compno++) {
1392                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1393                 int numres2decode;
1394
1395                 if (tcd->cp->reduce != 0) {
1396                         tcd->image->comps[compno].resno_decoded =
1397                                 tile->comps[compno].numresolutions - tcd->cp->reduce - 1;
1398                         if (tcd->image->comps[compno].resno_decoded < 0) {
1399                                 opj_event_msg(tcd->cinfo, EVT_ERROR, "Error decoding tile. The number of resolutions to remove [%d+1] is higher than the number "
1400                                         " of resolutions in the original codestream [%d]\nModify the cp_reduce parameter.\n", tcd->cp->reduce, tile->comps[compno].numresolutions);
1401                                 return OPJ_FALSE;
1402                         }
1403                 }
1404
1405                 numres2decode = tcd->image->comps[compno].resno_decoded + 1;
1406                 if(numres2decode > 0){
1407                         if (tcd->tcp->tccps[compno].qmfbid == 1) {
1408                                 dwt_decode(tilec, numres2decode);
1409                         } else {
1410                                 dwt_decode_real(tilec, numres2decode);
1411                         }
1412                 }
1413         }
1414         dwt_time = opj_clock() - dwt_time;
1415         opj_event_msg(tcd->cinfo, EVT_INFO, "- dwt took %f s\n", dwt_time);
1416
1417         /*----------------MCT-------------------*/
1418
1419         if (tcd->tcp->mct) {
1420                 int n = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
1421
1422                 if (tile->numcomps >= 3 ){
1423                         if (tcd->tcp->tccps[0].qmfbid == 1) {
1424                                 mct_decode(
1425                                                 tile->comps[0].data,
1426                                                 tile->comps[1].data,
1427                                                 tile->comps[2].data,
1428                                                 n);
1429                         } else {
1430                                 mct_decode_real(
1431                                                 (float*)tile->comps[0].data,
1432                                                 (float*)tile->comps[1].data,
1433                                                 (float*)tile->comps[2].data,
1434                                                 n);
1435                         }
1436                 } else{
1437                         opj_event_msg(tcd->cinfo, EVT_WARNING,"Number of components (%d) is inconsistent with a MCT. Skip the MCT step.\n",tile->numcomps);
1438                 }
1439         }
1440
1441         /*---------------TILE-------------------*/
1442
1443         for (compno = 0; compno < tile->numcomps; ++compno) {
1444                 opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
1445                 opj_image_comp_t* imagec = &tcd->image->comps[compno];
1446                 opj_tcd_resolution_t* res = &tilec->resolutions[imagec->resno_decoded];
1447                 int adjust = imagec->sgnd ? 0 : 1 << (imagec->prec - 1);
1448                 int min = imagec->sgnd ? -(1 << (imagec->prec - 1)) : 0;
1449                 int max = imagec->sgnd ?  (1 << (imagec->prec - 1)) - 1 : (1 << imagec->prec) - 1;
1450
1451                 int tw = tilec->x1 - tilec->x0;
1452                 int w = imagec->w;
1453
1454                 int offset_x = int_ceildivpow2(imagec->x0, imagec->factor);
1455                 int offset_y = int_ceildivpow2(imagec->y0, imagec->factor);
1456
1457                 int i, j;
1458                 if(!imagec->data){
1459                         imagec->data = (int*) opj_malloc(imagec->w * imagec->h * sizeof(int));
1460                 }
1461                 if(tcd->tcp->tccps[compno].qmfbid == 1) {
1462                         for(j = res->y0; j < res->y1; ++j) {
1463                                 for(i = res->x0; i < res->x1; ++i) {
1464                                         int v = tilec->data[i - res->x0 + (j - res->y0) * tw];
1465                                         v += adjust;
1466                                         imagec->data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
1467                                 }
1468                         }
1469                 }else{
1470                         for(j = res->y0; j < res->y1; ++j) {
1471                                 for(i = res->x0; i < res->x1; ++i) {
1472                                         float tmp = ((float*)tilec->data)[i - res->x0 + (j - res->y0) * tw];
1473                                         int v = lrintf(tmp);
1474                                         v += adjust;
1475                                         imagec->data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
1476                                 }
1477                         }
1478                 }
1479                 opj_aligned_free(tilec->data);
1480         }
1481
1482         tile_time = opj_clock() - tile_time;    /* time needed to decode a tile */
1483         opj_event_msg(tcd->cinfo, EVT_INFO, "- tile decoded in %f s\n", tile_time);
1484
1485         if (eof) {
1486                 return OPJ_FALSE;
1487         }
1488
1489         return OPJ_TRUE;
1490 }
1491
1492 void tcd_free_decode(opj_tcd_t *tcd) {
1493         opj_tcd_image_t *tcd_image = tcd->tcd_image;
1494         opj_free(tcd_image->tiles);
1495 }
1496
1497 void tcd_free_decode_tile(opj_tcd_t *tcd, int tileno) {
1498         int compno,resno,bandno,precno;
1499
1500         opj_tcd_image_t *tcd_image = tcd->tcd_image;
1501
1502         opj_tcd_tile_t *tile = &tcd_image->tiles[tileno];
1503         for (compno = 0; compno < tile->numcomps; compno++) {
1504                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1505                 for (resno = 0; resno < tilec->numresolutions; resno++) {
1506                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1507                         for (bandno = 0; bandno < res->numbands; bandno++) {
1508                                 opj_tcd_band_t *band = &res->bands[bandno];
1509                                 for (precno = 0; precno < res->ph * res->pw; precno++) {
1510                                         opj_tcd_precinct_t *prec = &band->precincts[precno];
1511                                         if (prec->imsbtree != NULL) tgt_destroy(prec->imsbtree);
1512                                         if (prec->incltree != NULL) tgt_destroy(prec->incltree);
1513                                 }
1514                                 opj_free(band->precincts);
1515                         }
1516                 }
1517                 opj_free(tilec->resolutions);
1518         }
1519         opj_free(tile->comps);
1520 }
1521
1522
1523