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 #define _ISOC99_SOURCE /* lrintf is C99 */
  34 #include "opj_includes.h"
  35 #include <assert.h>
  36
  37 void tcd_dump(FILE *fd, opj_tcd_t *tcd, opj_tcd_image_t * img) {
  38         int tileno, compno, resno, bandno, precno;/*, cblkno;*/
  39
  40         fprintf(fd, "image {\n");
  41         fprintf(fd, "  tw=%d, th=%d x0=%d x1=%d y0=%d y1=%d\n",
  42                 img->tw, img->th, tcd->image->x0, tcd->image->x1, tcd->image->y0, tcd->image->y1);
  43
  44         for (tileno = 0; tileno < img->th * img->tw; tileno++) {
  45                 opj_tcd_tile_t *tile = &tcd->tcd_image->tiles[tileno];
  46                 fprintf(fd, "  tile {\n");
  47                 fprintf(fd, "    x0=%d, y0=%d, x1=%d, y1=%d, numcomps=%d\n",
  48                         tile->x0, tile->y0, tile->x1, tile->y1, tile->numcomps);
  49                 for (compno = 0; compno < tile->numcomps; compno++) {
  50                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
  51                         fprintf(fd, "    tilec {\n");
  52                         fprintf(fd,
  53                                 "      x0=%d, y0=%d, x1=%d, y1=%d, numresolutions=%d\n",
  54                                 tilec->x0, tilec->y0, tilec->x1, tilec->y1, tilec->numresolutions);
  55                         for (resno = 0; resno < tilec->numresolutions; resno++) {
  56                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
  57                                 fprintf(fd, "\n   res {\n");
  58                                 fprintf(fd,
  59                                         "          x0=%d, y0=%d, x1=%d, y1=%d, pw=%d, ph=%d, numbands=%d\n",
  60                                         res->x0, res->y0, res->x1, res->y1, res->pw, res->ph, res->numbands);
  61                                 for (bandno = 0; bandno < res->numbands; bandno++) {
  62                                         opj_tcd_band_t *band = &res->bands[bandno];
  63                                         fprintf(fd, "        band {\n");
  64                                         fprintf(fd,
  65                                                 "          x0=%d, y0=%d, x1=%d, y1=%d, stepsize=%f, numbps=%d\n",
  66                                                 band->x0, band->y0, band->x1, band->y1, band->stepsize, band->numbps);
  67                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
  68                                                 opj_tcd_precinct_t *prec = &band->precincts[precno];
  69                                                 fprintf(fd, "          prec {\n");
  70                                                 fprintf(fd,
  71                                                         "            x0=%d, y0=%d, x1=%d, y1=%d, cw=%d, ch=%d\n",
  72                                                         prec->x0, prec->y0, prec->x1, prec->y1, prec->cw, prec->ch);
  73                                                 /*
  74                                                 for (cblkno = 0; cblkno < prec->cw * prec->ch; cblkno++) {
  75                                                         opj_tcd_cblk_t *cblk = &prec->cblks[cblkno];
  76                                                         fprintf(fd, "            cblk {\n");
  77                                                         fprintf(fd,
  78                                                                 "              x0=%d, y0=%d, x1=%d, y1=%d\n",
  79                                                                 cblk->x0, cblk->y0, cblk->x1, cblk->y1);
  80                                                         fprintf(fd, "            }\n");
  81                                                 }
  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         fprintf(fd, "}\n");
  94 }
  95
  96 /* ----------------------------------------------------------------------- */
  97
  98 /**
  99 Create a new TCD handle
 100 */
 101 opj_tcd_t* tcd_create(opj_common_ptr cinfo) {
 102         /* create the tcd structure */
 103         opj_tcd_t *tcd = (opj_tcd_t*)opj_malloc(sizeof(opj_tcd_t));
 104         if(!tcd) return NULL;
 105         tcd->cinfo = cinfo;
 106         tcd->tcd_image = (opj_tcd_image_t*)opj_malloc(sizeof(opj_tcd_image_t));
 107         if(!tcd->tcd_image) {
 108                 opj_free(tcd);
 109                 return NULL;
 110         }
 111
 112         return tcd;
 113 }
 114
 115 /**
 116 Destroy a previously created TCD handle
 117 */
 118 void tcd_destroy(opj_tcd_t *tcd) {
 119         if(tcd) {
 120                 opj_free(tcd->tcd_image);
 121                 opj_free(tcd);
 122         }
 123 }
 124
 125 /* ----------------------------------------------------------------------- */
 126
 127 void tcd_malloc_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno) {
 128         int tileno, compno, resno, bandno, precno, cblkno;
 129
 130         tcd->image = image;
 131         tcd->cp = cp;
 132         tcd->tcd_image->tw = cp->tw;
 133         tcd->tcd_image->th = cp->th;
 134         tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_malloc(sizeof(opj_tcd_tile_t));
 135
 136         for (tileno = 0; tileno < 1; tileno++) {
 137                 opj_tcp_t *tcp = &cp->tcps[curtileno];
 138                 int j;
 139
 140                 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 141                 int p = curtileno % cp->tw;     /* si numerotation matricielle .. */
 142                 int q = curtileno / cp->tw;     /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
 143
 144                 /* opj_tcd_tile_t *tile=&tcd->tcd_image->tiles[tileno]; */
 145                 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
 146
 147                 /* 4 borders of the tile rescale on the image if necessary */
 148                 tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 149                 tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 150                 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 151                 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 152                 tile->numcomps = image->numcomps;
 153                 /* tile->PPT=image->PPT;  */
 154
 155                 /* Modification of the RATE >> */
 156                 for (j = 0; j < tcp->numlayers; j++) {
 157                         tcp->rates[j] = tcp->rates[j] ?
 158                                 cp->tp_on ?
 159                                         (((float) (tile->numcomps
 160                                         * (tile->x1 - tile->x0)
 161                                         * (tile->y1 - tile->y0)
 162                                         * image->comps[0].prec))
 163                                         /(tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)) - (((tcd->cur_totnum_tp - 1) * 14 )/ tcp->numlayers)
 164                                         :
 165                                 ((float) (tile->numcomps
 166                                         * (tile->x1 - tile->x0)
 167                                         * (tile->y1 - tile->y0)
 168                                         * image->comps[0].prec))/
 169                                         (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)
 170                                         : 0;
 171
 172                         if (tcp->rates[j]) {
 173                                 if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
 174                                         tcp->rates[j] = tcp->rates[j - 1] + 20;
 175                                 } else {
 176                                         if (!j && tcp->rates[j] < 30)
 177                                                 tcp->rates[j] = 30;
 178                                 }
 179
 180                                 if(j == (tcp->numlayers-1)){
 181                                         tcp->rates[j] = tcp->rates[j]- 2;
 182                                 }
 183                         }
 184                 }
 185                 /* << Modification of the RATE */
 186
 187                 tile->comps = (opj_tcd_tilecomp_t *) opj_malloc(image->numcomps * sizeof(opj_tcd_tilecomp_t));
 188                 for (compno = 0; compno < tile->numcomps; compno++) {
 189                         opj_tccp_t *tccp = &tcp->tccps[compno];
 190
 191                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 192
 193                         /* border of each tile component (global) */
 194                         tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 195                         tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 196                         tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 197                         tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 198
 199                         tilec->data = (int *) opj_aligned_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
 200                         tilec->numresolutions = tccp->numresolutions;
 201
 202                         tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));
 203
 204                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 205                                 int pdx, pdy;
 206                                 int levelno = tilec->numresolutions - 1 - resno;
 207                                 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 208                                 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 209                                 int cbgwidthexpn, cbgheightexpn;
 210                                 int cblkwidthexpn, cblkheightexpn;
 211
 212                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 213
 214                                 /* border for each resolution level (global) */
 215                                 res->x0 = int_ceildivpow2(tilec->x0, levelno);
 216                                 res->y0 = int_ceildivpow2(tilec->y0, levelno);
 217                                 res->x1 = int_ceildivpow2(tilec->x1, levelno);
 218                                 res->y1 = int_ceildivpow2(tilec->y1, levelno);
 219
 220                                 res->numbands = resno == 0 ? 1 : 3;
 221                                 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 222                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 223                                         pdx = tccp->prcw[resno];
 224                                         pdy = tccp->prch[resno];
 225                                 } else {
 226                                         pdx = 15;
 227                                         pdy = 15;
 228                                 }
 229                                 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 230                                 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 231                                 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 232
 233                                 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 234                                 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 235
 236                                 res->pw = (brprcxend - tlprcxstart) >> pdx;
 237                                 res->ph = (brprcyend - tlprcystart) >> pdy;
 238
 239                                 if (resno == 0) {
 240                                         tlcbgxstart = tlprcxstart;
 241                                         tlcbgystart = tlprcystart;
 242                                         brcbgxend = brprcxend;
 243                                         brcbgyend = brprcyend;
 244                                         cbgwidthexpn = pdx;
 245                                         cbgheightexpn = pdy;
 246                                 } else {
 247                                         tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 248                                         tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 249                                         brcbgxend = int_ceildivpow2(brprcxend, 1);
 250                                         brcbgyend = int_ceildivpow2(brprcyend, 1);
 251                                         cbgwidthexpn = pdx - 1;
 252                                         cbgheightexpn = pdy - 1;
 253                                 }
 254         (void)brcbgyend;
 255         (void)brcbgxend;
 256
 257                                 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 258                                 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 259
 260                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 261                                         int x0b, y0b, i;
 262                                         int gain, numbps;
 263                                         opj_stepsize_t *ss = NULL;
 264
 265                                         opj_tcd_band_t *band = &res->bands[bandno];
 266
 267                                         band->bandno = resno == 0 ? 0 : bandno + 1;
 268                                         x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 269                                         y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 270
 271                                         if (band->bandno == 0) {
 272                                                 /* band border (global) */
 273                                                 band->x0 = int_ceildivpow2(tilec->x0, levelno);
 274                                                 band->y0 = int_ceildivpow2(tilec->y0, levelno);
 275                                                 band->x1 = int_ceildivpow2(tilec->x1, levelno);
 276                                                 band->y1 = int_ceildivpow2(tilec->y1, levelno);
 277                                         } else {
 278                                                 /* band border (global) */
 279                                                 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 280                                                 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 281                                                 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 282                                                 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 283                                         }
 284
 285                                         ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 286                                         gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 287                                         numbps = image->comps[compno].prec + gain;
 288
 289                                         band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
 290                                         band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 291
 292                                         band->precincts = (opj_tcd_precinct_t *) opj_malloc(3 * res->pw * res->ph * sizeof(opj_tcd_precinct_t));
 293
 294                                         for (i = 0; i < res->pw * res->ph * 3; i++) {
 295                                                 band->precincts[i].imsbtree = NULL;
 296                                                 band->precincts[i].incltree = NULL;
 297                                                 band->precincts[i].cblks.enc = NULL;
 298                                         }
 299
 300                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 301                                                 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 302
 303                                                 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 304                                                 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 305                                                 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 306                                                 int cbgyend = cbgystart + (1 << cbgheightexpn);
 307
 308                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
 309
 310                                                 /* precinct size (global) */
 311                                                 prc->x0 = int_max(cbgxstart, band->x0);
 312                                                 prc->y0 = int_max(cbgystart, band->y0);
 313                                                 prc->x1 = int_min(cbgxend, band->x1);
 314                                                 prc->y1 = int_min(cbgyend, band->y1);
 315
 316                                                 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 317                                                 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 318                                                 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 319                                                 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 320                                                 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 321                                                 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 322
 323                                                 prc->cblks.enc = (opj_tcd_cblk_enc_t*) opj_calloc((prc->cw * prc->ch), sizeof(opj_tcd_cblk_enc_t));
 324                                                 prc->incltree = tgt_create(prc->cw, prc->ch);
 325                                                 prc->imsbtree = tgt_create(prc->cw, prc->ch);
 326
 327                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 328                                                         int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 329                                                         int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 330                                                         int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 331                                                         int cblkyend = cblkystart + (1 << cblkheightexpn);
 332
 333                                                         opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
 334
 335                                                         /* code-block size (global) */
 336                                                         cblk->x0 = int_max(cblkxstart, prc->x0);
 337                                                         cblk->y0 = int_max(cblkystart, prc->y0);
 338                                                         cblk->x1 = int_min(cblkxend, prc->x1);
 339                                                         cblk->y1 = int_min(cblkyend, prc->y1);
 340                                                         cblk->data = (unsigned char*) opj_calloc(9728+2, sizeof(unsigned char));
 341                                                         /* FIXME: mqc_init_enc and mqc_byteout underrun the buffer if we don't do this. Why? */
 342                                                         cblk->data[0] = 0;
 343                                                         cblk->data[1] = 0;
 344                                                         cblk->data += 2;
 345                                                         cblk->layers = (opj_tcd_layer_t*) opj_calloc(100, sizeof(opj_tcd_layer_t));
 346                                                         cblk->passes = (opj_tcd_pass_t*) opj_calloc(100, sizeof(opj_tcd_pass_t));
 347                                                 }
 348                                         }
 349                                 }
 350                         }
 351                 }
 352         }
 353
 354         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 355 }
 356
 357 void tcd_free_encode(opj_tcd_t *tcd) {
 358         int tileno, compno, resno, bandno, precno, cblkno;
 359
 360         for (tileno = 0; tileno < 1; tileno++) {
 361                 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
 362
 363                 for (compno = 0; compno < tile->numcomps; compno++) {
 364                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 365
 366                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 367                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 368
 369                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 370                                         opj_tcd_band_t *band = &res->bands[bandno];
 371
 372                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 373                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
 374
 375                                                 if (prc->incltree != NULL) {
 376                                                         tgt_destroy(prc->incltree);
 377                                                         prc->incltree = NULL;
 378                                                 }
 379                                                 if (prc->imsbtree != NULL) {
 380                                                         tgt_destroy(prc->imsbtree);
 381                                                         prc->imsbtree = NULL;
 382                                                 }
 383                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 384                                                         opj_free(prc->cblks.enc[cblkno].data - 2);
 385                                                         opj_free(prc->cblks.enc[cblkno].layers);
 386                                                         opj_free(prc->cblks.enc[cblkno].passes);
 387                                                 }
 388                                                 opj_free(prc->cblks.enc);
 389                                         } /* for (precno */
 390                                         opj_free(band->precincts);
 391                                         band->precincts = NULL;
 392                                 } /* for (bandno */
 393                         } /* for (resno */
 394                         opj_free(tilec->resolutions);
 395                         tilec->resolutions = NULL;
 396                 } /* for (compno */
 397                 opj_free(tile->comps);
 398                 tile->comps = NULL;
 399         } /* for (tileno */
 400         opj_free(tcd->tcd_image->tiles);
 401         tcd->tcd_image->tiles = NULL;
 402 }
 403
 404 void tcd_init_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno) {
 405         int tileno, compno, resno, bandno, precno, cblkno;
 406
 407         for (tileno = 0; tileno < 1; tileno++) {
 408                 opj_tcp_t *tcp = &cp->tcps[curtileno];
 409                 int j;
 410                 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 411                 int p = curtileno % cp->tw;
 412                 int q = curtileno / cp->tw;
 413
 414                 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
 415
 416                 /* 4 borders of the tile rescale on the image if necessary */
 417                 tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 418                 tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 419                 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 420                 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 421
 422                 tile->numcomps = image->numcomps;
 423                 /* tile->PPT=image->PPT; */
 424
 425                 /* Modification of the RATE >> */
 426                 for (j = 0; j < tcp->numlayers; j++) {
 427                         tcp->rates[j] = tcp->rates[j] ?
 428                                 cp->tp_on ?
 429                                         (((float) (tile->numcomps
 430                                         * (tile->x1 - tile->x0)
 431                                         * (tile->y1 - tile->y0)
 432                                         * image->comps[0].prec))
 433                                         /(tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)) - (((tcd->cur_totnum_tp - 1) * 14 )/ tcp->numlayers)
 434                                         :
 435                                 ((float) (tile->numcomps
 436                                         * (tile->x1 - tile->x0)
 437                                         * (tile->y1 - tile->y0)
 438                                         * image->comps[0].prec))/
 439                                         (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)
 440                                         : 0;
 441
 442                         if (tcp->rates[j]) {
 443                                 if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
 444                                         tcp->rates[j] = tcp->rates[j - 1] + 20;
 445                                 } else {
 446                                         if (!j && tcp->rates[j] < 30)
 447                                                 tcp->rates[j] = 30;
 448                                 }
 449                         }
 450                 }
 451                 /* << Modification of the RATE */
 452
 453                 /* tile->comps=(opj_tcd_tilecomp_t*)opj_realloc(tile->comps,image->numcomps*sizeof(opj_tcd_tilecomp_t)); */
 454                 for (compno = 0; compno < tile->numcomps; compno++) {
 455                         opj_tccp_t *tccp = &tcp->tccps[compno];
 456
 457                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 458
 459                         /* border of each tile component (global) */
 460                         tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 461                         tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 462                         tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 463                         tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 464
 465                         tilec->data = (int *) opj_aligned_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
 466                         tilec->numresolutions = tccp->numresolutions;
 467                         /* tilec->resolutions=(opj_tcd_resolution_t*)opj_realloc(tilec->resolutions,tilec->numresolutions*sizeof(opj_tcd_resolution_t)); */
 468                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 469                                 int pdx, pdy;
 470
 471                                 int levelno = tilec->numresolutions - 1 - resno;
 472                                 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 473                                 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 474                                 int cbgwidthexpn, cbgheightexpn;
 475                                 int cblkwidthexpn, cblkheightexpn;
 476
 477                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 478
 479                                 /* border for each resolution level (global) */
 480                                 res->x0 = int_ceildivpow2(tilec->x0, levelno);
 481                                 res->y0 = int_ceildivpow2(tilec->y0, levelno);
 482                                 res->x1 = int_ceildivpow2(tilec->x1, levelno);
 483                                 res->y1 = int_ceildivpow2(tilec->y1, levelno);
 484                                 res->numbands = resno == 0 ? 1 : 3;
 485
 486                                 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 487                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 488                                         pdx = tccp->prcw[resno];
 489                                         pdy = tccp->prch[resno];
 490                                 } else {
 491                                         pdx = 15;
 492                                         pdy = 15;
 493                                 }
 494                                 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 495                                 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 496                                 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 497                                 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 498                                 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 499
 500                                 res->pw = (brprcxend - tlprcxstart) >> pdx;
 501                                 res->ph = (brprcyend - tlprcystart) >> pdy;
 502
 503                                 if (resno == 0) {
 504                                         tlcbgxstart = tlprcxstart;
 505                                         tlcbgystart = tlprcystart;
 506                                         brcbgxend = brprcxend;
 507                                         brcbgyend = brprcyend;
 508                                         cbgwidthexpn = pdx;
 509                                         cbgheightexpn = pdy;
 510                                 } else {
 511                                         tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 512                                         tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 513                                         brcbgxend = int_ceildivpow2(brprcxend, 1);
 514                                         brcbgyend = int_ceildivpow2(brprcyend, 1);
 515                                         cbgwidthexpn = pdx - 1;
 516                                         cbgheightexpn = pdy - 1;
 517                                 }
 518         (void)brcbgyend;
 519         (void)brcbgxend;
 520
 521                                 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 522                                 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 523
 524                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 525                                         int x0b, y0b;
 526                                         int gain, numbps;
 527                                         opj_stepsize_t *ss = NULL;
 528
 529                                         opj_tcd_band_t *band = &res->bands[bandno];
 530
 531                                         band->bandno = resno == 0 ? 0 : bandno + 1;
 532                                         x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 533                                         y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 534
 535                                         if (band->bandno == 0) {
 536                                                 /* band border */
 537                                                 band->x0 = int_ceildivpow2(tilec->x0, levelno);
 538                                                 band->y0 = int_ceildivpow2(tilec->y0, levelno);
 539                                                 band->x1 = int_ceildivpow2(tilec->x1, levelno);
 540                                                 band->y1 = int_ceildivpow2(tilec->y1, levelno);
 541                                         } else {
 542                                                 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 543                                                 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 544                                                 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 545                                                 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 546                                         }
 547
 548                                         ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 549                                         gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 550                                         numbps = image->comps[compno].prec + gain;
 551                                         band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
 552                                         band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 553
 554                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 555                                                 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 556
 557                                                 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 558                                                 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 559                                                 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 560                                                 int cbgyend = cbgystart + (1 << cbgheightexpn);
 561
 562                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
 563
 564                                                 /* precinct size (global) */
 565                                                 prc->x0 = int_max(cbgxstart, band->x0);
 566                                                 prc->y0 = int_max(cbgystart, band->y0);
 567                                                 prc->x1 = int_min(cbgxend, band->x1);
 568                                                 prc->y1 = int_min(cbgyend, band->y1);
 569
 570                                                 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 571                                                 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 572                                                 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 573                                                 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 574                                                 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 575                                                 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 576
 577                                                 opj_free(prc->cblks.enc);
 578                                                 prc->cblks.enc = (opj_tcd_cblk_enc_t*) opj_calloc(prc->cw * prc->ch, sizeof(opj_tcd_cblk_enc_t));
 579
 580                                                 if (prc->incltree != NULL) {
 581                                                         tgt_destroy(prc->incltree);
 582                                                 }
 583                                                 if (prc->imsbtree != NULL) {
 584                                                         tgt_destroy(prc->imsbtree);
 585                                                 }
 586
 587                                                 prc->incltree = tgt_create(prc->cw, prc->ch);
 588                                                 prc->imsbtree = tgt_create(prc->cw, prc->ch);
 589
 590                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 591                                                         int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 592                                                         int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 593                                                         int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 594                                                         int cblkyend = cblkystart + (1 << cblkheightexpn);
 595
 596                                                         opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
 597
 598                                                         /* code-block size (global) */
 599                                                         cblk->x0 = int_max(cblkxstart, prc->x0);
 600                                                         cblk->y0 = int_max(cblkystart, prc->y0);
 601                                                         cblk->x1 = int_min(cblkxend, prc->x1);
 602                                                         cblk->y1 = int_min(cblkyend, prc->y1);
 603                                                         cblk->data = (unsigned char*) opj_calloc(8192+2, sizeof(unsigned char));
 604                                                         /* FIXME: mqc_init_enc and mqc_byteout underrun the buffer if we don't do this. Why? */
 605                                                         cblk->data[0] = 0;
 606                                                         cblk->data[1] = 0;
 607                                                         cblk->data += 2;
 608                                                         cblk->layers = (opj_tcd_layer_t*) opj_calloc(100, sizeof(opj_tcd_layer_t));
 609                                                         cblk->passes = (opj_tcd_pass_t*) opj_calloc(100, sizeof(opj_tcd_pass_t));
 610                                                 }
 611                                         } /* precno */
 612                                 } /* bandno */
 613                         } /* resno */
 614                 } /* compno */
 615         } /* tileno */
 616
 617         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 618 }
 619
 620 void tcd_malloc_decode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp) {
 621         int i, j, tileno, p, q;
 622         unsigned int x0 = 0, y0 = 0, x1 = 0, y1 = 0, w, h;
 623
 624         tcd->image = image;
 625         tcd->tcd_image->tw = cp->tw;
 626         tcd->tcd_image->th = cp->th;
 627     tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_calloc(cp->tw * cp->th, sizeof(opj_tcd_tile_t));
 628
 629         /*
 630         Allocate place to store the decoded data = final image
 631         Place limited by the tile really present in the codestream
 632         */
 633
 634         for (j = 0; j < cp->tileno_size; j++) {
 635                 opj_tcd_tile_t *tile;
 636
 637                 tileno = cp->tileno[j];
 638                 tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
 639                 tile->numcomps = image->numcomps;
 640                 tile->comps = (opj_tcd_tilecomp_t*) opj_calloc(image->numcomps, sizeof(opj_tcd_tilecomp_t));
 641         }
 642
 643         for (i = 0; i < image->numcomps; i++) {
 644                 for (j = 0; j < cp->tileno_size; j++) {
 645                         opj_tcd_tile_t *tile;
 646                         opj_tcd_tilecomp_t *tilec;
 647
 648                         /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 649
 650                         tileno = cp->tileno[j];
 651
 652                         tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
 653                         tilec = &tile->comps[i];
 654
 655                         p = tileno % cp->tw;    /* si numerotation matricielle .. */
 656                         q = tileno / cp->tw;    /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
 657
 658                         /* 4 borders of the tile rescale on the image if necessary */
 659                         tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 660                         tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 661                         tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 662                         tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 663
 664                         tilec->x0 = int_ceildiv(tile->x0, image->comps[i].dx);
 665                         tilec->y0 = int_ceildiv(tile->y0, image->comps[i].dy);
 666                         tilec->x1 = int_ceildiv(tile->x1, image->comps[i].dx);
 667                         tilec->y1 = int_ceildiv(tile->y1, image->comps[i].dy);
 668
 669                         x0 = j == 0 ? tilec->x0 : int_min(x0, (unsigned int) tilec->x0);
 670                         y0 = j == 0 ? tilec->y0 : int_min(y0,   (unsigned int) tilec->y0);
 671                         x1 = j == 0 ? tilec->x1 : int_max(x1,   (unsigned int) tilec->x1);
 672                         y1 = j == 0 ? tilec->y1 : int_max(y1,   (unsigned int) tilec->y1);
 673                 }
 674
 675                 w = int_ceildivpow2(x1 - x0, image->comps[i].factor);
 676                 h = int_ceildivpow2(y1 - y0, image->comps[i].factor);
 677
 678                 image->comps[i].w = w;
 679                 image->comps[i].h = h;
 680                 image->comps[i].x0 = x0;
 681                 image->comps[i].y0 = y0;
 682         }
 683 }
 684
 685 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) {
 686         int compno, resno, bandno, precno, cblkno;
 687         opj_tcp_t *tcp;
 688         opj_tcd_tile_t *tile;
 689
 690         OPJ_ARG_NOT_USED(cstr_info);
 691
 692         tcd->cp = cp;
 693
 694         tcp = &(cp->tcps[cp->tileno[tileno]]);
 695         tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
 696
 697         tileno = cp->tileno[tileno];
 698
 699         for (compno = 0; compno < tile->numcomps; compno++) {
 700                 opj_tccp_t *tccp = &tcp->tccps[compno];
 701                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 702
 703                 if (tccp->numresolutions <= 0)
 704                 {
 705                         cp->tileno[tileno] = -1;
 706                         return;
 707                 }
 708
 709                 /* border of each tile component (global) */
 710                 tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 711                 tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 712                 tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 713                 tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 714
 715                 tilec->numresolutions = tccp->numresolutions;
 716                 tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));
 717
 718                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 719                         int pdx, pdy;
 720                         int levelno = tilec->numresolutions - 1 - resno;
 721                         int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 722                         int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 723                         int cbgwidthexpn, cbgheightexpn;
 724                         int cblkwidthexpn, cblkheightexpn;
 725
 726                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 727
 728                         /* border for each resolution level (global) */
 729                         res->x0 = int_ceildivpow2(tilec->x0, levelno);
 730                         res->y0 = int_ceildivpow2(tilec->y0, levelno);
 731                         res->x1 = int_ceildivpow2(tilec->x1, levelno);
 732                         res->y1 = int_ceildivpow2(tilec->y1, levelno);
 733                         res->numbands = resno == 0 ? 1 : 3;
 734
 735                         /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 736                         if (tccp->csty & J2K_CCP_CSTY_PRT) {
 737                                 pdx = tccp->prcw[resno];
 738                                 pdy = tccp->prch[resno];
 739                         } else {
 740                                 pdx = 15;
 741                                 pdy = 15;
 742                         }
 743
 744                         /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 745                         tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 746                         tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 747                         brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 748                         brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 749
 750                         res->pw = (res->x0 == res->x1) ? 0 : ((brprcxend - tlprcxstart) >> pdx);
 751                         res->ph = (res->y0 == res->y1) ? 0 : ((brprcyend - tlprcystart) >> pdy);
 752
 753                         if (resno == 0) {
 754                                 tlcbgxstart = tlprcxstart;
 755                                 tlcbgystart = tlprcystart;
 756                                 brcbgxend = brprcxend;
 757                                 brcbgyend = brprcyend;
 758                                 cbgwidthexpn = pdx;
 759                                 cbgheightexpn = pdy;
 760                         } else {
 761                                 tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 762                                 tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 763                                 brcbgxend = int_ceildivpow2(brprcxend, 1);
 764                                 brcbgyend = int_ceildivpow2(brprcyend, 1);
 765                                 cbgwidthexpn = pdx - 1;
 766                                 cbgheightexpn = pdy - 1;
 767                         }
 768       (void)brcbgyend;
 769       (void)brcbgxend;
 770
 771                         cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 772                         cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 773
 774                         for (bandno = 0; bandno < res->numbands; bandno++) {
 775                                 int x0b, y0b;
 776                                 int gain, numbps;
 777                                 opj_stepsize_t *ss = NULL;
 778
 779                                 opj_tcd_band_t *band = &res->bands[bandno];
 780                                 band->bandno = resno == 0 ? 0 : bandno + 1;
 781                                 x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 782                                 y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 783
 784                                 if (band->bandno == 0) {
 785                                         /* band border (global) */
 786                                         band->x0 = int_ceildivpow2(tilec->x0, levelno);
 787                                         band->y0 = int_ceildivpow2(tilec->y0, levelno);
 788                                         band->x1 = int_ceildivpow2(tilec->x1, levelno);
 789                                         band->y1 = int_ceildivpow2(tilec->y1, levelno);
 790                                 } else {
 791                                         /* band border (global) */
 792                                         band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 793                                         band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 794                                         band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 795                                         band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 796                                 }
 797
 798                                 ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 799                                 gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 800                                 numbps = image->comps[compno].prec + gain;
 801                                 band->stepsize = (float)(((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn)) * 0.5);
 802                                 band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 803
 804                                 band->precincts = (opj_tcd_precinct_t *) opj_malloc(res->pw * res->ph * sizeof(opj_tcd_precinct_t));
 805
 806                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 807                                         int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 808                                         int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 809                                         int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 810                                         int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 811                                         int cbgyend = cbgystart + (1 << cbgheightexpn);
 812
 813                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 814                                         /* precinct size (global) */
 815                                         prc->x0 = int_max(cbgxstart, band->x0);
 816                                         prc->y0 = int_max(cbgystart, band->y0);
 817                                         prc->x1 = int_min(cbgxend, band->x1);
 818                                         prc->y1 = int_min(cbgyend, band->y1);
 819
 820                                         tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 821                                         tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 822                                         brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 823                                         brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 824                                         prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 825                                         prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 826
 827                                         prc->cblks.dec = (opj_tcd_cblk_dec_t*) opj_malloc(prc->cw * prc->ch * sizeof(opj_tcd_cblk_dec_t));
 828
 829                                         prc->incltree = tgt_create(prc->cw, prc->ch);
 830                                         prc->imsbtree = tgt_create(prc->cw, prc->ch);
 831
 832                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 833                                                 int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 834                                                 int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 835                                                 int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 836                                                 int cblkyend = cblkystart + (1 << cblkheightexpn);
 837
 838                                                 opj_tcd_cblk_dec_t* cblk = &prc->cblks.dec[cblkno];
 839                                                 cblk->data = NULL;
 840                                                 cblk->segs = NULL;
 841                                                 /* code-block size (global) */
 842                                                 cblk->x0 = int_max(cblkxstart, prc->x0);
 843                                                 cblk->y0 = int_max(cblkystart, prc->y0);
 844                                                 cblk->x1 = int_min(cblkxend, prc->x1);
 845                                                 cblk->y1 = int_min(cblkyend, prc->y1);
 846                                                 cblk->numsegs = 0;
 847                                         }
 848                                 } /* precno */
 849                         } /* bandno */
 850                 } /* resno */
 851         } /* compno */
 852         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 853 }
 854
 855 void tcd_makelayer_fixed(opj_tcd_t *tcd, int layno, int final) {
 856         int compno, resno, bandno, precno, cblkno;
 857         int value;                      /*, matrice[tcd_tcp->numlayers][tcd_tile->comps[0].numresolutions][3]; */
 858         int matrice[10][10][3];
 859         int i, j, k;
 860
 861         opj_cp_t *cp = tcd->cp;
 862         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
 863         opj_tcp_t *tcd_tcp = tcd->tcp;
 864
 865         /*matrice=(int*)opj_malloc(tcd_tcp->numlayers*tcd_tile->comps[0].numresolutions*3*sizeof(int)); */
 866
 867         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 868                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
 869                 for (i = 0; i < tcd_tcp->numlayers; i++) {
 870                         for (j = 0; j < tilec->numresolutions; j++) {
 871                                 for (k = 0; k < 3; k++) {
 872                                         matrice[i][j][k] =
 873                                                 (int) (cp->matrice[i * tilec->numresolutions * 3 + j * 3 + k]
 874                                                 * (float) (tcd->image->comps[compno].prec / 16.0));
 875                                 }
 876                         }
 877                 }
 878
 879                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 880                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 881                         for (bandno = 0; bandno < res->numbands; bandno++) {
 882                                 opj_tcd_band_t *band = &res->bands[bandno];
 883                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 884                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 885                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 886                                                 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
 887                                                 opj_tcd_layer_t *layer = &cblk->layers[layno];
 888                                                 int n;
 889                                                 int imsb = tcd->image->comps[compno].prec - cblk->numbps;       /* number of bit-plan equal to zero */
 890                                                 /* Correction of the matrix of coefficient to include the IMSB information */
 891                                                 if (layno == 0) {
 892                                                         value = matrice[layno][resno][bandno];
 893                                                         if (imsb >= value) {
 894                                                                 value = 0;
 895                                                         } else {
 896                                                                 value -= imsb;
 897                                                         }
 898                                                 } else {
 899                                                         value = matrice[layno][resno][bandno] - matrice[layno - 1][resno][bandno];
 900                                                         if (imsb >= matrice[layno - 1][resno][bandno]) {
 901                                                                 value -= (imsb - matrice[layno - 1][resno][bandno]);
 902                                                                 if (value < 0) {
 903                                                                         value = 0;
 904                                                                 }
 905                                                         }
 906                                                 }
 907
 908                                                 if (layno == 0) {
 909                                                         cblk->numpassesinlayers = 0;
 910                                                 }
 911
 912                                                 n = cblk->numpassesinlayers;
 913                                                 if (cblk->numpassesinlayers == 0) {
 914                                                         if (value != 0) {
 915                                                                 n = 3 * value - 2 + cblk->numpassesinlayers;
 916                                                         } else {
 917                                                                 n = cblk->numpassesinlayers;
 918                                                         }
 919                                                 } else {
 920                                                         n = 3 * value + cblk->numpassesinlayers;
 921                                                 }
 922
 923                                                 layer->numpasses = n - cblk->numpassesinlayers;
 924
 925                                                 if (!layer->numpasses)
 926                                                         continue;
 927
 928                                                 if (cblk->numpassesinlayers == 0) {
 929                                                         layer->len = cblk->passes[n - 1].rate;
 930                                                         layer->data = cblk->data;
 931                                                 } else {
 932                                                         layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
 933                                                         layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
 934                                                 }
 935                                                 if (final)
 936                                                         cblk->numpassesinlayers = n;
 937                                         }
 938                                 }
 939                         }
 940                 }
 941         }
 942 }
 943
 944 void tcd_rateallocate_fixed(opj_tcd_t *tcd) {
 945         int layno;
 946         for (layno = 0; layno < tcd->tcp->numlayers; layno++) {
 947                 tcd_makelayer_fixed(tcd, layno, 1);
 948         }
 949 }
 950
 951 void tcd_makelayer(opj_tcd_t *tcd, int layno, double thresh, int final) {
 952         int compno, resno, bandno, precno, cblkno, passno;
 953
 954         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
 955
 956         tcd_tile->distolayer[layno] = 0;        /* fixed_quality */
 957
 958         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 959                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
 960                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 961                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 962                         for (bandno = 0; bandno < res->numbands; bandno++) {
 963                                 opj_tcd_band_t *band = &res->bands[bandno];
 964                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 965                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 966                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 967                                                 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
 968                                                 opj_tcd_layer_t *layer = &cblk->layers[layno];
 969
 970                                                 int n;
 971                                                 if (layno == 0) {
 972                                                         cblk->numpassesinlayers = 0;
 973                                                 }
 974                                                 n = cblk->numpassesinlayers;
 975                                                 for (passno = cblk->numpassesinlayers; passno < cblk->totalpasses; passno++) {
 976                                                         int dr;
 977                                                         double dd;
 978                                                         opj_tcd_pass_t *pass = &cblk->passes[passno];
 979                                                         if (n == 0) {
 980                                                                 dr = pass->rate;
 981                                                                 dd = pass->distortiondec;
 982                                                         } else {
 983                                                                 dr = pass->rate - cblk->passes[n - 1].rate;
 984                                                                 dd = pass->distortiondec - cblk->passes[n - 1].distortiondec;
 985                                                         }
 986                                                         if (!dr) {
 987                                                                 if (dd != 0)
 988                                                                         n = passno + 1;
 989                                                                 continue;
 990                                                         }
 991                                                         if (dd / dr >= thresh)
 992                                                                 n = passno + 1;
 993                                                 }
 994                                                 layer->numpasses = n - cblk->numpassesinlayers;
 995
 996                                                 if (!layer->numpasses) {
 997                                                         layer->disto = 0;
 998                                                         continue;
 999                                                 }
1000                                                 if (cblk->numpassesinlayers == 0) {
1001                                                         layer->len = cblk->passes[n - 1].rate;
1002                                                         layer->data = cblk->data;
1003                                                         layer->disto = cblk->passes[n - 1].distortiondec;
1004                                                 } else {
1005                                                         layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
1006                                                         layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
1007                                                         layer->disto = cblk->passes[n - 1].distortiondec - cblk->passes[cblk->numpassesinlayers - 1].distortiondec;
1008                                                 }
1009
1010                                                 tcd_tile->distolayer[layno] += layer->disto;    /* fixed_quality */
1011
1012                                                 if (final)
1013                                                         cblk->numpassesinlayers = n;
1014                                         }
1015                                 }
1016                         }
1017                 }
1018         }
1019 }
1020
1021 opj_bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_codestream_info_t *cstr_info) {
1022         int compno, resno, bandno, precno, cblkno, passno, layno;
1023         double min, max;
1024         double cumdisto[100];   /* fixed_quality */
1025         const double K = 1;             /* 1.1; fixed_quality */
1026         double maxSE = 0;
1027
1028         opj_cp_t *cp = tcd->cp;
1029         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
1030         opj_tcp_t *tcd_tcp = tcd->tcp;
1031
1032         min = DBL_MAX;
1033         max = 0;
1034
1035         tcd_tile->numpix = 0;           /* fixed_quality */
1036
1037         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
1038                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
1039                 tilec->numpix = 0;
1040
1041                 for (resno = 0; resno < tilec->numresolutions; resno++) {
1042                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1043
1044                         for (bandno = 0; bandno < res->numbands; bandno++) {
1045                                 opj_tcd_band_t *band = &res->bands[bandno];
1046
1047                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
1048                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
1049
1050                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
1051                                                 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
1052
1053                                                 for (passno = 0; passno < cblk->totalpasses; passno++) {
1054                                                         opj_tcd_pass_t *pass = &cblk->passes[passno];
1055                                                         int dr;
1056                                                         double dd, rdslope;
1057                                                         if (passno == 0) {
1058                                                                 dr = pass->rate;
1059                                                                 dd = pass->distortiondec;
1060                                                         } else {
1061                                                                 dr = pass->rate - cblk->passes[passno - 1].rate;
1062                                                                 dd = pass->distortiondec - cblk->passes[passno - 1].distortiondec;
1063                                                         }
1064                                                         if (dr == 0) {
1065                                                                 continue;
1066                                                         }
1067                                                         rdslope = dd / dr;
1068                                                         if (rdslope < min) {
1069                                                                 min = rdslope;
1070                                                         }
1071                                                         if (rdslope > max) {
1072                                                                 max = rdslope;
1073                                                         }
1074                                                 } /* passno */
1075
1076                                                 /* fixed_quality */
1077                                                 tcd_tile->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1078                                                 tilec->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1079                                         } /* cbklno */
1080                                 } /* precno */
1081                         } /* bandno */
1082                 } /* resno */
1083
1084                 maxSE += (((double)(1 << tcd->image->comps[compno].prec) - 1.0)
1085                         * ((double)(1 << tcd->image->comps[compno].prec) -1.0))
1086                         * ((double)(tilec->numpix));
1087         } /* compno */
1088
1089         /* index file */
1090         if(cstr_info) {
1091                 opj_tile_info_t *tile_info = &cstr_info->tile[tcd->tcd_tileno];
1092                 tile_info->numpix = tcd_tile->numpix;
1093                 tile_info->distotile = tcd_tile->distotile;
1094                 tile_info->thresh = (double *) opj_malloc(tcd_tcp->numlayers * sizeof(double));
1095         }
1096
1097         for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
1098                 double lo = min;
1099                 double hi = max;
1100                 int success = 0;
1101                 int maxlen = tcd_tcp->rates[layno] ? int_min(((int) ceil(tcd_tcp->rates[layno])), len) : len;
1102                 double goodthresh = 0;
1103                 double stable_thresh = 0;
1104                 int i;
1105                 double distotarget;             /* fixed_quality */
1106
1107                 /* fixed_quality */
1108                 distotarget = tcd_tile->distotile - ((K * maxSE) / pow((float)10, tcd_tcp->distoratio[layno] / 10));
1109
1110                 /* Don't try to find an optimal threshold but rather take everything not included yet, if
1111                   -r xx,yy,zz,0   (disto_alloc == 1 and rates == 0)
1112                   -q xx,yy,zz,0   (fixed_quality == 1 and distoratio == 0)
1113                   ==> possible to have some lossy layers and the last layer for sure lossless */
1114                 if ( ((cp->disto_alloc==1) && (tcd_tcp->rates[layno]>0)) || ((cp->fixed_quality==1) && (tcd_tcp->distoratio[layno]>0))) {
1115                         opj_t2_t *t2 = t2_create(tcd->cinfo, tcd->image, cp);
1116                         double thresh = 0;
1117
1118                         for (i = 0; i < 128; i++) {
1119                                 int l = 0;
1120                                 double distoachieved = 0;       /* fixed_quality */
1121                                 thresh = (lo + hi) / 2;
1122
1123                                 tcd_makelayer(tcd, layno, thresh, 0);
1124
1125                                 if (cp->fixed_quality) {        /* fixed_quality */
1126                                         if(cp->cinema){
1127                                                 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);
1128                                                 if (l == -999) {
1129                                                         lo = thresh;
1130                                                         continue;
1131                                                 }else{
1132                         distoachieved = layno == 0 ?
1133                                                         tcd_tile->distolayer[0] : cumdisto[layno - 1] + tcd_tile->distolayer[layno];
1134                                                         if (distoachieved < distotarget) {
1135                                                                 hi=thresh;
1136                                                                 stable_thresh = thresh;
1137                                                                 continue;
1138                                                         }else{
1139                                                                 lo=thresh;
1140                                                         }
1141                                                 }
1142                                         }else{
1143                                                 distoachieved = (layno == 0) ?
1144                                                         tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
1145                                                 if (distoachieved < distotarget) {
1146                                                         hi = thresh;
1147                                                         stable_thresh = thresh;
1148                                                         continue;
1149                                                 }
1150                                                 lo = thresh;
1151                                         }
1152                                 } else {
1153                                         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);
1154                                         /* TODO: what to do with l ??? seek / tell ??? */
1155                                         /* opj_event_msg(tcd->cinfo, EVT_INFO, "rate alloc: len=%d, max=%d\n", l, maxlen); */
1156                                         if (l == -999) {
1157                                                 lo = thresh;
1158                                                 continue;
1159                                         }
1160                                         hi = thresh;
1161                                         stable_thresh = thresh;
1162                                 }
1163                         }
1164                         success = 1;
1165                         goodthresh = stable_thresh == 0? thresh : stable_thresh;
1166                         t2_destroy(t2);
1167                 } else {
1168                         success = 1;
1169                         goodthresh = min;
1170                 }
1171
1172                 if (!success) {
1173                         return OPJ_FALSE;
1174                 }
1175
1176                 if(cstr_info) { /* Threshold for Marcela Index */
1177                         cstr_info->tile[tcd->tcd_tileno].thresh[layno] = goodthresh;
1178                 }
1179                 tcd_makelayer(tcd, layno, goodthresh, 1);
1180
1181                 /* fixed_quality */
1182                 cumdisto[layno] = (layno == 0) ? tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
1183         }
1184
1185         return OPJ_TRUE;
1186 }
1187
1188 int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len, opj_codestream_info_t *cstr_info) {
1189         int compno;
1190         int l, i, numpacks = 0;
1191         opj_tcd_tile_t *tile = NULL;
1192         opj_tcp_t *tcd_tcp = NULL;
1193         opj_cp_t *cp = NULL;
1194
1195         opj_tcp_t *tcp = &tcd->cp->tcps[0];
1196         opj_tccp_t *tccp = &tcp->tccps[0];
1197         opj_image_t *image = tcd->image;
1198
1199         opj_t1_t *t1 = NULL;            /* T1 component */
1200         opj_t2_t *t2 = NULL;            /* T2 component */
1201
1202         tcd->tcd_tileno = tileno;
1203         tcd->tcd_tile = tcd->tcd_image->tiles;
1204         tcd->tcp = &tcd->cp->tcps[tileno];
1205
1206         tile = tcd->tcd_tile;
1207         tcd_tcp = tcd->tcp;
1208         cp = tcd->cp;
1209
1210         if(tcd->cur_tp_num == 0){
1211                 tcd->encoding_time = opj_clock();       /* time needed to encode a tile */
1212                 /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
1213                 if(cstr_info) {
1214                         opj_tcd_tilecomp_t *tilec_idx = &tile->comps[0];        /* based on component 0 */
1215                         for (i = 0; i < tilec_idx->numresolutions; i++) {
1216                                 opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];
1217
1218                                 cstr_info->tile[tileno].pw[i] = res_idx->pw;
1219                                 cstr_info->tile[tileno].ph[i] = res_idx->ph;
1220
1221                                 numpacks += res_idx->pw * res_idx->ph;
1222
1223                                 cstr_info->tile[tileno].pdx[i] = tccp->prcw[i];
1224                                 cstr_info->tile[tileno].pdy[i] = tccp->prch[i];
1225                         }
1226                         cstr_info->tile[tileno].packet = (opj_packet_info_t*) opj_calloc(cstr_info->numcomps * cstr_info->numlayers * numpacks, sizeof(opj_packet_info_t));
1227                 }
1228                 /* << INDEX */
1229
1230                 /*---------------TILE-------------------*/
1231
1232                 for (compno = 0; compno < tile->numcomps; compno++) {
1233                         int x, y;
1234
1235                         int adjust = image->comps[compno].sgnd ? 0 : 1 << (image->comps[compno].prec - 1);
1236                         int offset_x = int_ceildiv(image->x0, image->comps[compno].dx);
1237                         int offset_y = int_ceildiv(image->y0, image->comps[compno].dy);
1238
1239                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1240                         int tw = tilec->x1 - tilec->x0;
1241                         int w = int_ceildiv(image->x1 - image->x0, image->comps[compno].dx);
1242
1243                         /* extract tile data */
1244
1245                         if (tcd_tcp->tccps[compno].qmfbid == 1) {
1246                                 for (y = tilec->y0; y < tilec->y1; y++) {
1247                                         /* start of the src tile scanline */
1248                                         int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1249                                         /* start of the dst tile scanline */
1250                                         int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1251                                         for (x = tilec->x0; x < tilec->x1; x++) {
1252                                                 *tile_data++ = *data++ - adjust;
1253                                         }
1254                                 }
1255                         } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1256                                 for (y = tilec->y0; y < tilec->y1; y++) {
1257                                         /* start of the src tile scanline */
1258                                         int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1259                                         /* start of the dst tile scanline */
1260                                         int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1261                                         for (x = tilec->x0; x < tilec->x1; x++) {
1262                                                 *tile_data++ = (*data++ - adjust) << 11;
1263                                         }
1264
1265                                 }
1266                         }
1267                 }
1268
1269                 /*----------------MCT-------------------*/
1270                 if (tcd_tcp->mct) {
1271                         int samples = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
1272                         if (tcd_tcp->tccps[0].qmfbid == 0) {
1273                                 mct_encode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1274                         } else {
1275                                 mct_encode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1276                         }
1277                 }
1278
1279                 /*----------------DWT---------------------*/
1280
1281                 for (compno = 0; compno < tile->numcomps; compno++) {
1282                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1283                         if (tcd_tcp->tccps[compno].qmfbid == 1) {
1284                                 dwt_encode(tilec);
1285                         } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1286                                 dwt_encode_real(tilec);
1287                         }
1288                 }
1289
1290                 /*------------------TIER1-----------------*/
1291                 t1 = t1_create(tcd->cinfo);
1292                 t1_encode_cblks(t1, tile, tcd_tcp);
1293                 t1_destroy(t1);
1294
1295                 /*-----------RATE-ALLOCATE------------------*/
1296
1297                 /* INDEX */
1298                 if(cstr_info) {
1299                         cstr_info->index_write = 0;
1300                 }
1301                 if (cp->disto_alloc || cp->fixed_quality) {     /* fixed_quality */
1302                         /* Normal Rate/distortion allocation */
1303                         tcd_rateallocate(tcd, dest, len, cstr_info);
1304                 } else {
1305                         /* Fixed layer allocation */
1306                         tcd_rateallocate_fixed(tcd);
1307                 }
1308         }
1309         /*--------------TIER2------------------*/
1310
1311         /* INDEX */
1312         if(cstr_info) {
1313                 cstr_info->index_write = 1;
1314         }
1315
1316         t2 = t2_create(tcd->cinfo, image, cp);
1317         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);
1318         t2_destroy(t2);
1319
1320         /*---------------CLEAN-------------------*/
1321
1322
1323         if(tcd->cur_tp_num == tcd->cur_totnum_tp - 1){
1324                 tcd->encoding_time = opj_clock() - tcd->encoding_time;
1325                 opj_event_msg(tcd->cinfo, EVT_INFO, "- tile encoded in %f s\n", tcd->encoding_time);
1326
1327                 /* cleaning memory */
1328                 for (compno = 0; compno < tile->numcomps; compno++) {
1329                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1330                         opj_aligned_free(tilec->data);
1331                 }
1332         }
1333
1334         return l;
1335 }
1336
1337 opj_bool tcd_decode_tile(opj_tcd_t *tcd, unsigned char *src, int len, int tileno, opj_codestream_info_t *cstr_info) {
1338         int l;
1339         int compno;
1340         int eof = 0;
1341         double tile_time, t1_time, dwt_time;
1342         opj_tcd_tile_t *tile = NULL;
1343
1344         opj_t1_t *t1 = NULL;            /* T1 component */
1345         opj_t2_t *t2 = NULL;            /* T2 component */
1346
1347         tcd->tcd_tileno = tileno;
1348         tcd->tcd_tile = &(tcd->tcd_image->tiles[tileno]);
1349         tcd->tcp = &(tcd->cp->tcps[tileno]);
1350         tile = tcd->tcd_tile;
1351
1352         tile_time = opj_clock();        /* time needed to decode a tile */
1353         opj_event_msg(tcd->cinfo, EVT_INFO, "tile %d of %d\n", tileno + 1, tcd->cp->tw * tcd->cp->th);
1354
1355         /* INDEX >>  */
1356         if(cstr_info) {
1357                 int resno, compno, numprec = 0;
1358                 for (compno = 0; compno < cstr_info->numcomps; compno++) {
1359                         opj_tcp_t *tcp = &tcd->cp->tcps[0];
1360                         opj_tccp_t *tccp = &tcp->tccps[compno];
1361                         opj_tcd_tilecomp_t *tilec_idx = &tile->comps[compno];
1362                         for (resno = 0; resno < tilec_idx->numresolutions; resno++) {
1363                                 opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[resno];
1364                                 cstr_info->tile[tileno].pw[resno] = res_idx->pw;
1365                                 cstr_info->tile[tileno].ph[resno] = res_idx->ph;
1366                                 numprec += res_idx->pw * res_idx->ph;
1367                                 if (tccp->csty & J2K_CP_CSTY_PRT) {
1368                                         cstr_info->tile[tileno].pdx[resno] = tccp->prcw[resno];
1369                                         cstr_info->tile[tileno].pdy[resno] = tccp->prch[resno];
1370                                 }
1371                                 else {
1372                                         cstr_info->tile[tileno].pdx[resno] = 15;
1373                                         cstr_info->tile[tileno].pdy[resno] = 15;
1374                                 }
1375                         }
1376                 }
1377                 cstr_info->tile[tileno].packet = (opj_packet_info_t *) opj_malloc(cstr_info->numlayers * numprec * sizeof(opj_packet_info_t));
1378                 cstr_info->packno = 0;
1379         }
1380         /* << INDEX */
1381
1382         /*--------------TIER2------------------*/
1383
1384         t2 = t2_create(tcd->cinfo, tcd->image, tcd->cp);
1385         l = t2_decode_packets(t2, src, len, tileno, tile, cstr_info);
1386         t2_destroy(t2);
1387
1388         if (l == -999) {
1389                 eof = 1;
1390                 opj_event_msg(tcd->cinfo, EVT_ERROR, "tcd_decode: incomplete bistream\n");
1391     return OPJ_FALSE;
1392         }
1393
1394         /*------------------TIER1-----------------*/
1395
1396         t1_time = opj_clock();  /* time needed to decode a tile */
1397         t1 = t1_create(tcd->cinfo);
1398     if (t1 == NULL)
1399     {
1400         opj_event_msg(tcd->cinfo, EVT_ERROR, "Out of memory\n");
1401         t1_destroy(t1);
1402         return OPJ_FALSE;
1403     }
1404
1405         for (compno = 0; compno < tile->numcomps; ++compno) {
1406                 opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
1407                 /* The +3 is headroom required by the vectorized DWT */
1408                 tilec->data = (int*) opj_aligned_malloc((((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0))+3) * sizeof(int));
1409         if (tilec->data == NULL)
1410         {
1411             opj_event_msg(tcd->cinfo, EVT_ERROR, "Out of memory\n");
1412             t1_destroy(t1);
1413             return OPJ_FALSE;
1414         }
1415
1416                 t1_decode_cblks(t1, tilec, &tcd->tcp->tccps[compno]);
1417         }
1418         t1_destroy(t1);
1419         t1_time = opj_clock() - t1_time;
1420         opj_event_msg(tcd->cinfo, EVT_INFO, "- tiers-1 took %f s\n", t1_time);
1421
1422         /*----------------DWT---------------------*/
1423
1424         dwt_time = opj_clock(); /* time needed to decode a tile */
1425         for (compno = 0; compno < tile->numcomps; compno++) {
1426                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1427                 int numres2decode;
1428
1429                 if (tcd->cp->reduce != 0) {
1430                         if ( tile->comps[compno].numresolutions < ( tcd->cp->reduce - 1 ) ) {
1431                                 opj_event_msg(tcd->cinfo, EVT_ERROR, "Error decoding tile. The number of resolutions to remove [%d+1] is higher than the number "
1432                                         " of resolutions in the original codestream [%d]\nModify the cp_reduce parameter.\n", tcd->cp->reduce, tile->comps[compno].numresolutions);
1433                                 return OPJ_FALSE;
1434                         }
1435       else {
1436                         tcd->image->comps[compno].resno_decoded =
1437                                 tile->comps[compno].numresolutions - tcd->cp->reduce - 1;
1438       }
1439                 }
1440
1441                 numres2decode = tcd->image->comps[compno].resno_decoded + 1;
1442                 if(numres2decode > 0){
1443                         if (tcd->tcp->tccps[compno].qmfbid == 1) {
1444                                 dwt_decode(tilec, numres2decode);
1445                         } else {
1446                                 dwt_decode_real(tilec, numres2decode);
1447                         }
1448                 }
1449         }
1450         dwt_time = opj_clock() - dwt_time;
1451         opj_event_msg(tcd->cinfo, EVT_INFO, "- dwt took %f s\n", dwt_time);
1452
1453         /*----------------MCT-------------------*/
1454
1455         if (tcd->tcp->mct) {
1456                 int n = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
1457
1458                 if (tile->numcomps >= 3 ){
1459       /* testcase 1336.pdf.asan.47.376 */
1460       if ((tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0) < n ||
1461         (  tile->comps[1].x1 - tile->comps[1].x0) * (tile->comps[1].y1 - tile->comps[1].y0) < n ||
1462         (  tile->comps[2].x1 - tile->comps[2].x0) * (tile->comps[2].y1 - tile->comps[2].y0) < n) {
1463         opj_event_msg(tcd->cinfo, EVT_ERROR, "Tiles don't all have the same dimension. Skip the MCT step.\n");
1464         return OPJ_FALSE;
1465       }
1466                         if (tcd->tcp->tccps[0].qmfbid == 1) {
1467                                 mct_decode(
1468                                                 tile->comps[0].data,
1469                                                 tile->comps[1].data,
1470                                                 tile->comps[2].data,
1471                                                 n);
1472                         } else {
1473                                 mct_decode_real(
1474                                                 (float*)tile->comps[0].data,
1475                                                 (float*)tile->comps[1].data,
1476                                                 (float*)tile->comps[2].data,
1477                                                 n);
1478                         }
1479                 } else{
1480                         opj_event_msg(tcd->cinfo, EVT_WARNING,"Number of components (%d) is inconsistent with a MCT. Skip the MCT step.\n",tile->numcomps);
1481                 }
1482         }
1483
1484         /*---------------TILE-------------------*/
1485
1486         for (compno = 0; compno < tile->numcomps; ++compno) {
1487                 opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
1488                 opj_image_comp_t* imagec = &tcd->image->comps[compno];
1489                 opj_tcd_resolution_t* res = &tilec->resolutions[imagec->resno_decoded];
1490                 int adjust = imagec->sgnd ? 0 : 1 << (imagec->prec - 1);
1491                 int min = imagec->sgnd ? -(1 << (imagec->prec - 1)) : 0;
1492                 int max = imagec->sgnd ?  (1 << (imagec->prec - 1)) - 1 : (1 << imagec->prec) - 1;
1493
1494                 int tw = tilec->x1 - tilec->x0;
1495                 int w = imagec->w;
1496
1497                 int i, j;
1498                 int offset_x = int_ceildivpow2(imagec->x0, imagec->factor);
1499                 int offset_y = int_ceildivpow2(imagec->y0, imagec->factor);
1500     /* NR-DEC-2977.pdf.asan.67.2198.jp2-52-decode */
1501     if( res->x0 - offset_x < 0 || res->x1 - offset_x < 0
1502      || res->y0 - offset_y < 0 || res->y1 - offset_y < 0 )
1503       {
1504       opj_event_msg(tcd->cinfo, EVT_ERROR, "Impossible offsets %d / %d\n", offset_x, offset_y);
1505       return OPJ_FALSE;
1506       }
1507     assert( 0 <= res->x0 - offset_x && 0 <= res->x1 - offset_x );
1508     assert( 0 <= res->y0 - offset_y && 0 <= res->y1 - offset_y );
1509
1510                 if(!imagec->data){
1511                         imagec->data = (int*) opj_malloc(imagec->w * imagec->h * sizeof(int));
1512                 }
1513         if (!imagec->data)
1514         {
1515             opj_event_msg(tcd->cinfo, EVT_ERROR, "Out of memory\n");
1516             return OPJ_FALSE;
1517         }
1518                 if(tcd->tcp->tccps[compno].qmfbid == 1) {
1519                         for(j = res->y0; j < res->y1; ++j) {
1520                                 for(i = res->x0; i < res->x1; ++i) {
1521                                         int v = tilec->data[i - res->x0 + (j - res->y0) * tw];
1522                                         v += adjust;
1523           /*assert( (i - offset_x) + (j - offset_y) * w >= 0 );*/
1524                                         imagec->data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
1525                                 }
1526                         }
1527                 }else{
1528                         for(j = res->y0; j < res->y1; ++j) {
1529                                 for(i = res->x0; i < res->x1; ++i) {
1530                                         float tmp = ((float*)tilec->data)[i - res->x0 + (j - res->y0) * tw];
1531                                         int v = lrintf(tmp);
1532                                         v += adjust;
1533           /*assert( (i - offset_x) + (j - offset_y) * w >= 0 );*/
1534                                         imagec->data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
1535                                 }
1536                         }
1537                 }
1538                 opj_aligned_free(tilec->data);
1539         }
1540
1541         tile_time = opj_clock() - tile_time;    /* time needed to decode a tile */
1542         opj_event_msg(tcd->cinfo, EVT_INFO, "- tile decoded in %f s\n", tile_time);
1543
1544         if (eof) {
1545                 return OPJ_FALSE;
1546         }
1547
1548         return OPJ_TRUE;
1549 }
1550
1551 void tcd_free_decode(opj_tcd_t *tcd) {
1552         opj_tcd_image_t *tcd_image = tcd->tcd_image;
1553     int i = 0;
1554     for (i = 0; i < tcd_image->tw * tcd_image->th; i++)
1555     {
1556         tcd_free_decode_tile(tcd, i);
1557     }
1558
1559         opj_free(tcd_image->tiles);
1560 }
1561
1562 void tcd_free_decode_tile(opj_tcd_t *tcd, int tileno) {
1563     int compno,resno,bandno,precno,cblkno;
1564
1565         opj_tcd_image_t *tcd_image = tcd->tcd_image;
1566
1567         opj_tcd_tile_t *tile = &tcd_image->tiles[tileno];
1568     if (tile->comps != NULL) {
1569         for (compno = 0; compno < tile->numcomps; compno++) {
1570             opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1571             for (resno = 0; resno < tilec->numresolutions; resno++) {
1572                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1573                 for (bandno = 0; bandno < res->numbands; bandno++) {
1574                     opj_tcd_band_t *band = &res->bands[bandno];
1575                     for (precno = 0; precno < res->ph * res->pw; precno++) {
1576                         opj_tcd_precinct_t *prec = &band->precincts[precno];
1577                         if (prec->cblks.dec != NULL) {
1578                             for (cblkno = 0; cblkno < prec->cw * prec->ch; ++cblkno) {
1579                                 opj_tcd_cblk_dec_t* cblk = &prec->cblks.dec[cblkno];
1580                                 opj_free(cblk->data);
1581                                 opj_free(cblk->segs);
1582                             }
1583                             opj_free(prec->cblks.dec);
1584                         }
1585                         if (prec->imsbtree != NULL) tgt_destroy(prec->imsbtree);
1586                         if (prec->incltree != NULL) tgt_destroy(prec->incltree);
1587
1588
1589                     }
1590                     opj_free(band->precincts);
1591                                 }
1592                         }
1593             opj_free(tilec->resolutions);
1594                 }
1595         opj_free(tile->comps);
1596         tile->comps = NULL;
1597         }
1598 }
1599
1600
1601