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