src/lib/openmj2/tcd.c

   1 /*
   2  * The copyright in this software is being made available under the 2-clauses
   3  * BSD License, included below. This software may be subject to other third
   4  * party and contributor rights, including patent rights, and no such rights
   5  * are granted under this license.
   6  *
   7  * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
   8  * Copyright (c) 2002-2014, Professor Benoit Macq
   9  * Copyright (c) 2001-2003, David Janssens
  10  * Copyright (c) 2002-2003, Yannick Verschueren
  11  * Copyright (c) 2003-2007, Francois-Olivier Devaux
  12  * Copyright (c) 2003-2014, Antonin Descampe
  13  * Copyright (c) 2005, Herve Drolon, FreeImage Team
  14  * Copyright (c) 2006-2007, Parvatha Elangovan
  15  * All rights reserved.
  16  *
  17  * Redistribution and use in source and binary forms, with or without
  18  * modification, are permitted provided that the following conditions
  19  * are met:
  20  * 1. Redistributions of source code must retain the above copyright
  21  *    notice, this list of conditions and the following disclaimer.
  22  * 2. Redistributions in binary form must reproduce the above copyright
  23  *    notice, this list of conditions and the following disclaimer in the
  24  *    documentation and/or other materials provided with the distribution.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
  27  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  30  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  36  * POSSIBILITY OF SUCH DAMAGE.
  37  */
  38
  39 #define _ISOC99_SOURCE /* lrintf is C99 */
  40 #include "opj_includes.h"
  41
  42 void tcd_dump(FILE *fd, opj_tcd_t *tcd, opj_tcd_image_t * img) {
  43         int tileno, compno, resno, bandno, precno;/*, cblkno;*/
  44
  45         fprintf(fd, "image {\n");
  46         fprintf(fd, "  tw=%d, th=%d x0=%d x1=%d y0=%d y1=%d\n",
  47                 img->tw, img->th, tcd->image->x0, tcd->image->x1, tcd->image->y0, tcd->image->y1);
  48
  49         for (tileno = 0; tileno < img->th * img->tw; tileno++) {
  50                 opj_tcd_tile_t *tile = &tcd->tcd_image->tiles[tileno];
  51                 fprintf(fd, "  tile {\n");
  52                 fprintf(fd, "    x0=%d, y0=%d, x1=%d, y1=%d, numcomps=%d\n",
  53                         tile->x0, tile->y0, tile->x1, tile->y1, tile->numcomps);
  54                 for (compno = 0; compno < tile->numcomps; compno++) {
  55                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
  56                         fprintf(fd, "    tilec {\n");
  57                         fprintf(fd,
  58                                 "      x0=%d, y0=%d, x1=%d, y1=%d, numresolutions=%d\n",
  59                                 tilec->x0, tilec->y0, tilec->x1, tilec->y1, tilec->numresolutions);
  60                         for (resno = 0; resno < tilec->numresolutions; resno++) {
  61                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
  62                                 fprintf(fd, "\n   res {\n");
  63                                 fprintf(fd,
  64                                         "          x0=%d, y0=%d, x1=%d, y1=%d, pw=%d, ph=%d, numbands=%d\n",
  65                                         res->x0, res->y0, res->x1, res->y1, res->pw, res->ph, res->numbands);
  66                                 for (bandno = 0; bandno < res->numbands; bandno++) {
  67                                         opj_tcd_band_t *band = &res->bands[bandno];
  68                                         fprintf(fd, "        band {\n");
  69                                         fprintf(fd,
  70                                                 "          x0=%d, y0=%d, x1=%d, y1=%d, stepsize=%f, numbps=%d\n",
  71                                                 band->x0, band->y0, band->x1, band->y1, band->stepsize, band->numbps);
  72                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
  73                                                 opj_tcd_precinct_t *prec = &band->precincts[precno];
  74                                                 fprintf(fd, "          prec {\n");
  75                                                 fprintf(fd,
  76                                                         "            x0=%d, y0=%d, x1=%d, y1=%d, cw=%d, ch=%d\n",
  77                                                         prec->x0, prec->y0, prec->x1, prec->y1, prec->cw, prec->ch);
  78                                                 /*
  79                                                 for (cblkno = 0; cblkno < prec->cw * prec->ch; cblkno++) {
  80                                                         opj_tcd_cblk_t *cblk = &prec->cblks[cblkno];
  81                                                         fprintf(fd, "            cblk {\n");
  82                                                         fprintf(fd,
  83                                                                 "              x0=%d, y0=%d, x1=%d, y1=%d\n",
  84                                                                 cblk->x0, cblk->y0, cblk->x1, cblk->y1);
  85                                                         fprintf(fd, "            }\n");
  86                                                 }
  87                                                 */
  88                                                 fprintf(fd, "          }\n");
  89                                         }
  90                                         fprintf(fd, "        }\n");
  91                                 }
  92                                 fprintf(fd, "      }\n");
  93                         }
  94                         fprintf(fd, "    }\n");
  95                 }
  96                 fprintf(fd, "  }\n");
  97         }
  98         fprintf(fd, "}\n");
  99 }
 100
 101 /* ----------------------------------------------------------------------- */
 102
 103 /**
 104 Create a new TCD handle
 105 */
 106 opj_tcd_t* tcd_create(opj_common_ptr cinfo) {
 107         /* create the tcd structure */
 108         opj_tcd_t *tcd = (opj_tcd_t*)opj_malloc(sizeof(opj_tcd_t));
 109         if(!tcd) return NULL;
 110         tcd->cinfo = cinfo;
 111         tcd->tcd_image = (opj_tcd_image_t*)opj_malloc(sizeof(opj_tcd_image_t));
 112         if(!tcd->tcd_image) {
 113                 opj_free(tcd);
 114                 return NULL;
 115         }
 116
 117         return tcd;
 118 }
 119
 120 /**
 121 Destroy a previously created TCD handle
 122 */
 123 void tcd_destroy(opj_tcd_t *tcd) {
 124         if(tcd) {
 125                 opj_free(tcd->tcd_image);
 126                 opj_free(tcd);
 127         }
 128 }
 129
 130 /* ----------------------------------------------------------------------- */
 131
 132 void tcd_malloc_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno) {
 133         int tileno, compno, resno, bandno, precno, cblkno;
 134
 135         tcd->image = image;
 136         tcd->cp = cp;
 137         tcd->tcd_image->tw = cp->tw;
 138         tcd->tcd_image->th = cp->th;
 139         tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_malloc(sizeof(opj_tcd_tile_t));
 140
 141         for (tileno = 0; tileno < 1; tileno++) {
 142                 opj_tcp_t *tcp = &cp->tcps[curtileno];
 143                 int j;
 144
 145                 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 146                 int p = curtileno % cp->tw;     /* si numerotation matricielle .. */
 147                 int q = curtileno / cp->tw;     /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
 148
 149                 /* opj_tcd_tile_t *tile=&tcd->tcd_image->tiles[tileno]; */
 150                 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
 151
 152                 /* 4 borders of the tile rescale on the image if necessary */
 153                 tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 154                 tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 155                 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 156                 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 157                 tile->numcomps = image->numcomps;
 158                 /* tile->PPT=image->PPT;  */
 159
 160                 /* Modification of the RATE >> */
 161                 for (j = 0; j < tcp->numlayers; j++) {
 162                         tcp->rates[j] = tcp->rates[j] ?
 163                                 cp->tp_on ?
 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)) - (((tcd->cur_totnum_tp - 1) * 14 )/ tcp->numlayers)
 169                                         :
 170                                 ((float) (tile->numcomps
 171                                         * (tile->x1 - tile->x0)
 172                                         * (tile->y1 - tile->y0)
 173                                         * image->comps[0].prec))/
 174                                         (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)
 175                                         : 0;
 176
 177                         if (tcp->rates[j]) {
 178                                 if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
 179                                         tcp->rates[j] = tcp->rates[j - 1] + 20;
 180                                 } else {
 181                                         if (!j && tcp->rates[j] < 30)
 182                                                 tcp->rates[j] = 30;
 183                                 }
 184
 185                                 if(j == (tcp->numlayers-1)){
 186                                         tcp->rates[j] = tcp->rates[j]- 2;
 187                                 }
 188                         }
 189                 }
 190                 /* << Modification of the RATE */
 191
 192                 tile->comps = (opj_tcd_tilecomp_t *) opj_malloc(image->numcomps * sizeof(opj_tcd_tilecomp_t));
 193                 for (compno = 0; compno < tile->numcomps; compno++) {
 194                         opj_tccp_t *tccp = &tcp->tccps[compno];
 195
 196                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 197
 198                         /* border of each tile component (global) */
 199                         tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 200                         tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 201                         tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 202                         tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 203
 204                         tilec->data = (int *) opj_aligned_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
 205                         tilec->numresolutions = tccp->numresolutions;
 206
 207                         tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));
 208
 209                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 210                                 int pdx, pdy;
 211                                 int levelno = tilec->numresolutions - 1 - resno;
 212                                 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 213                                 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 214                                 int cbgwidthexpn, cbgheightexpn;
 215                                 int cblkwidthexpn, cblkheightexpn;
 216
 217                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 218
 219                                 /* border for each resolution level (global) */
 220                                 res->x0 = int_ceildivpow2(tilec->x0, levelno);
 221                                 res->y0 = int_ceildivpow2(tilec->y0, levelno);
 222                                 res->x1 = int_ceildivpow2(tilec->x1, levelno);
 223                                 res->y1 = int_ceildivpow2(tilec->y1, levelno);
 224
 225                                 res->numbands = resno == 0 ? 1 : 3;
 226                                 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 227                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 228                                         pdx = tccp->prcw[resno];
 229                                         pdy = tccp->prch[resno];
 230                                 } else {
 231                                         pdx = 15;
 232                                         pdy = 15;
 233                                 }
 234                                 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 235                                 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 236                                 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 237
 238                                 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 239                                 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 240
 241                                 res->pw = (brprcxend - tlprcxstart) >> pdx;
 242                                 res->ph = (brprcyend - tlprcystart) >> pdy;
 243
 244                                 if (resno == 0) {
 245                                         tlcbgxstart = tlprcxstart;
 246                                         tlcbgystart = tlprcystart;
 247                                         brcbgxend = brprcxend;
 248                                         brcbgyend = brprcyend;
 249                                         cbgwidthexpn = pdx;
 250                                         cbgheightexpn = pdy;
 251                                 } else {
 252                                         tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 253                                         tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 254                                         brcbgxend = int_ceildivpow2(brprcxend, 1);
 255                                         brcbgyend = int_ceildivpow2(brprcyend, 1);
 256                                         cbgwidthexpn = pdx - 1;
 257                                         cbgheightexpn = pdy - 1;
 258                                 }
 259
 260                                 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 261                                 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 262
 263                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 264                                         int x0b, y0b, i;
 265                                         int gain, numbps;
 266                                         opj_stepsize_t *ss = NULL;
 267
 268                                         opj_tcd_band_t *band = &res->bands[bandno];
 269
 270                                         band->bandno = resno == 0 ? 0 : bandno + 1;
 271                                         x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 272                                         y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 273
 274                                         if (band->bandno == 0) {
 275                                                 /* band border (global) */
 276                                                 band->x0 = int_ceildivpow2(tilec->x0, levelno);
 277                                                 band->y0 = int_ceildivpow2(tilec->y0, levelno);
 278                                                 band->x1 = int_ceildivpow2(tilec->x1, levelno);
 279                                                 band->y1 = int_ceildivpow2(tilec->y1, levelno);
 280                                         } else {
 281                                                 /* band border (global) */
 282                                                 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 283                                                 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 284                                                 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 285                                                 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 286                                         }
 287
 288                                         ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 289                                         gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 290                                         numbps = image->comps[compno].prec + gain;
 291
 292                                         band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
 293                                         band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 294
 295                                         band->precincts = (opj_tcd_precinct_t *) opj_malloc(3 * res->pw * res->ph * sizeof(opj_tcd_precinct_t));
 296
 297                                         for (i = 0; i < res->pw * res->ph * 3; i++) {
 298                                                 band->precincts[i].imsbtree = NULL;
 299                                                 band->precincts[i].incltree = NULL;
 300                                                 band->precincts[i].cblks.enc = NULL;
 301                                         }
 302
 303                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 304                                                 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 305
 306                                                 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 307                                                 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 308                                                 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 309                                                 int cbgyend = cbgystart + (1 << cbgheightexpn);
 310
 311                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
 312
 313                                                 /* precinct size (global) */
 314                                                 prc->x0 = int_max(cbgxstart, band->x0);
 315                                                 prc->y0 = int_max(cbgystart, band->y0);
 316                                                 prc->x1 = int_min(cbgxend, band->x1);
 317                                                 prc->y1 = int_min(cbgyend, band->y1);
 318
 319                                                 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 320                                                 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 321                                                 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 322                                                 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 323                                                 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 324                                                 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 325
 326                                                 prc->cblks.enc = (opj_tcd_cblk_enc_t*) opj_calloc((prc->cw * prc->ch), sizeof(opj_tcd_cblk_enc_t));
 327                                                 prc->incltree = tgt_create(prc->cw, prc->ch);
 328                                                 prc->imsbtree = tgt_create(prc->cw, prc->ch);
 329
 330                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 331                                                         int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 332                                                         int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 333                                                         int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 334                                                         int cblkyend = cblkystart + (1 << cblkheightexpn);
 335
 336                                                         opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
 337
 338                                                         /* code-block size (global) */
 339                                                         cblk->x0 = int_max(cblkxstart, prc->x0);
 340                                                         cblk->y0 = int_max(cblkystart, prc->y0);
 341                                                         cblk->x1 = int_min(cblkxend, prc->x1);
 342                                                         cblk->y1 = int_min(cblkyend, prc->y1);
 343                                                         cblk->data = (unsigned char*) opj_calloc(9728+2, sizeof(unsigned char));
 344                                                         /* FIXME: mqc_init_enc and mqc_byteout underrun the buffer if we don't do this. Why? */
 345                                                         cblk->data[0] = 0;
 346                                                         cblk->data[1] = 0;
 347                                                         cblk->data += 2;
 348                                                         cblk->layers = (opj_tcd_layer_t*) opj_calloc(100, sizeof(opj_tcd_layer_t));
 349                                                         cblk->passes = (opj_tcd_pass_t*) opj_calloc(100, sizeof(opj_tcd_pass_t));
 350                                                 }
 351                                         }
 352                                 }
 353                         }
 354                 }
 355         }
 356
 357         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 358 }
 359
 360 void tcd_free_encode(opj_tcd_t *tcd) {
 361         int tileno, compno, resno, bandno, precno, cblkno;
 362
 363         for (tileno = 0; tileno < 1; tileno++) {
 364                 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
 365
 366                 for (compno = 0; compno < tile->numcomps; compno++) {
 367                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 368
 369                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 370                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 371
 372                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 373                                         opj_tcd_band_t *band = &res->bands[bandno];
 374
 375                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 376                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
 377
 378                                                 if (prc->incltree != NULL) {
 379                                                         tgt_destroy(prc->incltree);
 380                                                         prc->incltree = NULL;
 381                                                 }
 382                                                 if (prc->imsbtree != NULL) {
 383                                                         tgt_destroy(prc->imsbtree);
 384                                                         prc->imsbtree = NULL;
 385                                                 }
 386                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 387                                                         opj_free(prc->cblks.enc[cblkno].data - 2);
 388                                                         opj_free(prc->cblks.enc[cblkno].layers);
 389                                                         opj_free(prc->cblks.enc[cblkno].passes);
 390                                                 }
 391                                                 opj_free(prc->cblks.enc);
 392                                         } /* for (precno */
 393                                         opj_free(band->precincts);
 394                                         band->precincts = NULL;
 395                                 } /* for (bandno */
 396                         } /* for (resno */
 397                         opj_free(tilec->resolutions);
 398                         tilec->resolutions = NULL;
 399                 } /* for (compno */
 400                 opj_free(tile->comps);
 401                 tile->comps = NULL;
 402         } /* for (tileno */
 403         opj_free(tcd->tcd_image->tiles);
 404         tcd->tcd_image->tiles = NULL;
 405 }
 406
 407 void tcd_init_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno) {
 408         int tileno, compno, resno, bandno, precno, cblkno;
 409
 410         for (tileno = 0; tileno < 1; tileno++) {
 411                 opj_tcp_t *tcp = &cp->tcps[curtileno];
 412                 int j;
 413                 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 414                 int p = curtileno % cp->tw;
 415                 int q = curtileno / cp->tw;
 416
 417                 opj_tcd_tile_t *tile = tcd->tcd_image->tiles;
 418
 419                 /* 4 borders of the tile rescale on the image if necessary */
 420                 tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 421                 tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 422                 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 423                 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 424
 425                 tile->numcomps = image->numcomps;
 426                 /* tile->PPT=image->PPT; */
 427
 428                 /* Modification of the RATE >> */
 429                 for (j = 0; j < tcp->numlayers; j++) {
 430                         tcp->rates[j] = tcp->rates[j] ?
 431                                 cp->tp_on ?
 432                                         (((float) (tile->numcomps
 433                                         * (tile->x1 - tile->x0)
 434                                         * (tile->y1 - tile->y0)
 435                                         * image->comps[0].prec))
 436                                         /(tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)) - (((tcd->cur_totnum_tp - 1) * 14 )/ tcp->numlayers)
 437                                         :
 438                                 ((float) (tile->numcomps
 439                                         * (tile->x1 - tile->x0)
 440                                         * (tile->y1 - tile->y0)
 441                                         * image->comps[0].prec))/
 442                                         (tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)
 443                                         : 0;
 444
 445                         if (tcp->rates[j]) {
 446                                 if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
 447                                         tcp->rates[j] = tcp->rates[j - 1] + 20;
 448                                 } else {
 449                                         if (!j && tcp->rates[j] < 30)
 450                                                 tcp->rates[j] = 30;
 451                                 }
 452                         }
 453                 }
 454                 /* << Modification of the RATE */
 455
 456                 /* tile->comps=(opj_tcd_tilecomp_t*)opj_realloc(tile->comps,image->numcomps*sizeof(opj_tcd_tilecomp_t)); */
 457                 for (compno = 0; compno < tile->numcomps; compno++) {
 458                         opj_tccp_t *tccp = &tcp->tccps[compno];
 459
 460                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 461
 462                         /* border of each tile component (global) */
 463                         tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 464                         tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 465                         tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 466                         tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 467
 468                         tilec->data = (int *) opj_aligned_malloc((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0) * sizeof(int));
 469                         tilec->numresolutions = tccp->numresolutions;
 470                         /* tilec->resolutions=(opj_tcd_resolution_t*)opj_realloc(tilec->resolutions,tilec->numresolutions*sizeof(opj_tcd_resolution_t)); */
 471                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 472                                 int pdx, pdy;
 473
 474                                 int levelno = tilec->numresolutions - 1 - resno;
 475                                 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 476                                 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 477                                 int cbgwidthexpn, cbgheightexpn;
 478                                 int cblkwidthexpn, cblkheightexpn;
 479
 480                                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 481
 482                                 /* border for each resolution level (global) */
 483                                 res->x0 = int_ceildivpow2(tilec->x0, levelno);
 484                                 res->y0 = int_ceildivpow2(tilec->y0, levelno);
 485                                 res->x1 = int_ceildivpow2(tilec->x1, levelno);
 486                                 res->y1 = int_ceildivpow2(tilec->y1, levelno);
 487                                 res->numbands = resno == 0 ? 1 : 3;
 488
 489                                 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 490                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 491                                         pdx = tccp->prcw[resno];
 492                                         pdy = tccp->prch[resno];
 493                                 } else {
 494                                         pdx = 15;
 495                                         pdy = 15;
 496                                 }
 497                                 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 498                                 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 499                                 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 500                                 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 501                                 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 502
 503                                 res->pw = (brprcxend - tlprcxstart) >> pdx;
 504                                 res->ph = (brprcyend - tlprcystart) >> pdy;
 505
 506                                 if (resno == 0) {
 507                                         tlcbgxstart = tlprcxstart;
 508                                         tlcbgystart = tlprcystart;
 509                                         brcbgxend = brprcxend;
 510                                         brcbgyend = brprcyend;
 511                                         cbgwidthexpn = pdx;
 512                                         cbgheightexpn = pdy;
 513                                 } else {
 514                                         tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 515                                         tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 516                                         brcbgxend = int_ceildivpow2(brprcxend, 1);
 517                                         brcbgyend = int_ceildivpow2(brprcyend, 1);
 518                                         cbgwidthexpn = pdx - 1;
 519                                         cbgheightexpn = pdy - 1;
 520                                 }
 521
 522                                 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 523                                 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 524
 525                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 526                                         int x0b, y0b;
 527                                         int gain, numbps;
 528                                         opj_stepsize_t *ss = NULL;
 529
 530                                         opj_tcd_band_t *band = &res->bands[bandno];
 531
 532                                         band->bandno = resno == 0 ? 0 : bandno + 1;
 533                                         x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 534                                         y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 535
 536                                         if (band->bandno == 0) {
 537                                                 /* band border */
 538                                                 band->x0 = int_ceildivpow2(tilec->x0, levelno);
 539                                                 band->y0 = int_ceildivpow2(tilec->y0, levelno);
 540                                                 band->x1 = int_ceildivpow2(tilec->x1, levelno);
 541                                                 band->y1 = int_ceildivpow2(tilec->y1, levelno);
 542                                         } else {
 543                                                 band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 544                                                 band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 545                                                 band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 546                                                 band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 547                                         }
 548
 549                                         ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 550                                         gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 551                                         numbps = image->comps[compno].prec + gain;
 552                                         band->stepsize = (float)((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn));
 553                                         band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 554
 555                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 556                                                 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 557
 558                                                 int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 559                                                 int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 560                                                 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 561                                                 int cbgyend = cbgystart + (1 << cbgheightexpn);
 562
 563                                                 opj_tcd_precinct_t *prc = &band->precincts[precno];
 564
 565                                                 /* precinct size (global) */
 566                                                 prc->x0 = int_max(cbgxstart, band->x0);
 567                                                 prc->y0 = int_max(cbgystart, band->y0);
 568                                                 prc->x1 = int_min(cbgxend, band->x1);
 569                                                 prc->y1 = int_min(cbgyend, band->y1);
 570
 571                                                 tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 572                                                 tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 573                                                 brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 574                                                 brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 575                                                 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 576                                                 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 577
 578                                                 opj_free(prc->cblks.enc);
 579                                                 prc->cblks.enc = (opj_tcd_cblk_enc_t*) opj_calloc(prc->cw * prc->ch, sizeof(opj_tcd_cblk_enc_t));
 580
 581                                                 if (prc->incltree != NULL) {
 582                                                         tgt_destroy(prc->incltree);
 583                                                 }
 584                                                 if (prc->imsbtree != NULL) {
 585                                                         tgt_destroy(prc->imsbtree);
 586                                                 }
 587
 588                                                 prc->incltree = tgt_create(prc->cw, prc->ch);
 589                                                 prc->imsbtree = tgt_create(prc->cw, prc->ch);
 590
 591                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 592                                                         int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 593                                                         int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 594                                                         int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 595                                                         int cblkyend = cblkystart + (1 << cblkheightexpn);
 596
 597                                                         opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
 598
 599                                                         /* code-block size (global) */
 600                                                         cblk->x0 = int_max(cblkxstart, prc->x0);
 601                                                         cblk->y0 = int_max(cblkystart, prc->y0);
 602                                                         cblk->x1 = int_min(cblkxend, prc->x1);
 603                                                         cblk->y1 = int_min(cblkyend, prc->y1);
 604                                                         cblk->data = (unsigned char*) opj_calloc(8192+2, sizeof(unsigned char));
 605                                                         /* FIXME: mqc_init_enc and mqc_byteout underrun the buffer if we don't do this. Why? */
 606                                                         cblk->data[0] = 0;
 607                                                         cblk->data[1] = 0;
 608                                                         cblk->data += 2;
 609                                                         cblk->layers = (opj_tcd_layer_t*) opj_calloc(100, sizeof(opj_tcd_layer_t));
 610                                                         cblk->passes = (opj_tcd_pass_t*) opj_calloc(100, sizeof(opj_tcd_pass_t));
 611                                                 }
 612                                         } /* precno */
 613                                 } /* bandno */
 614                         } /* resno */
 615                 } /* compno */
 616         } /* tileno */
 617
 618         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 619 }
 620
 621 void tcd_malloc_decode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp) {
 622         int i, j, tileno, p, q;
 623         unsigned int x0 = 0, y0 = 0, x1 = 0, y1 = 0, w, h;
 624
 625         tcd->image = image;
 626         tcd->tcd_image->tw = cp->tw;
 627         tcd->tcd_image->th = cp->th;
 628     tcd->tcd_image->tiles = (opj_tcd_tile_t *) opj_calloc(cp->tw * cp->th, sizeof(opj_tcd_tile_t));
 629
 630         /*
 631         Allocate place to store the decoded data = final image
 632         Place limited by the tile really present in the codestream
 633         */
 634
 635         for (j = 0; j < cp->tileno_size; j++) {
 636                 opj_tcd_tile_t *tile;
 637
 638                 tileno = cp->tileno[j];
 639                 tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
 640                 tile->numcomps = image->numcomps;
 641                 tile->comps = (opj_tcd_tilecomp_t*) opj_calloc(image->numcomps, sizeof(opj_tcd_tilecomp_t));
 642         }
 643
 644         for (i = 0; i < image->numcomps; i++) {
 645                 for (j = 0; j < cp->tileno_size; j++) {
 646                         opj_tcd_tile_t *tile;
 647                         opj_tcd_tilecomp_t *tilec;
 648
 649                         /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 650
 651                         tileno = cp->tileno[j];
 652
 653                         tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
 654                         tilec = &tile->comps[i];
 655
 656                         p = tileno % cp->tw;    /* si numerotation matricielle .. */
 657                         q = tileno / cp->tw;    /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
 658
 659                         /* 4 borders of the tile rescale on the image if necessary */
 660                         tile->x0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 661                         tile->y0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 662                         tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 663                         tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 664
 665                         tilec->x0 = int_ceildiv(tile->x0, image->comps[i].dx);
 666                         tilec->y0 = int_ceildiv(tile->y0, image->comps[i].dy);
 667                         tilec->x1 = int_ceildiv(tile->x1, image->comps[i].dx);
 668                         tilec->y1 = int_ceildiv(tile->y1, image->comps[i].dy);
 669
 670                         x0 = j == 0 ? tilec->x0 : int_min(x0, (unsigned int) tilec->x0);
 671                         y0 = j == 0 ? tilec->y0 : int_min(y0,   (unsigned int) tilec->y0);
 672                         x1 = j == 0 ? tilec->x1 : int_max(x1,   (unsigned int) tilec->x1);
 673                         y1 = j == 0 ? tilec->y1 : int_max(y1,   (unsigned int) tilec->y1);
 674                 }
 675
 676                 w = int_ceildivpow2(x1 - x0, image->comps[i].factor);
 677                 h = int_ceildivpow2(y1 - y0, image->comps[i].factor);
 678
 679                 image->comps[i].w = w;
 680                 image->comps[i].h = h;
 681                 image->comps[i].x0 = x0;
 682                 image->comps[i].y0 = y0;
 683         }
 684 }
 685
 686 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) {
 687         int compno, resno, bandno, precno, cblkno;
 688         opj_tcp_t *tcp;
 689         opj_tcd_tile_t *tile;
 690
 691         OPJ_ARG_NOT_USED(cstr_info);
 692
 693         tcd->cp = cp;
 694
 695         tcp = &(cp->tcps[cp->tileno[tileno]]);
 696         tile = &(tcd->tcd_image->tiles[cp->tileno[tileno]]);
 697
 698         tileno = cp->tileno[tileno];
 699
 700         for (compno = 0; compno < tile->numcomps; compno++) {
 701                 opj_tccp_t *tccp = &tcp->tccps[compno];
 702                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
 703
 704                 if (tccp->numresolutions <= 0)
 705                 {
 706                         cp->tileno[tileno] = -1;
 707                         return;
 708                 }
 709
 710                 /* border of each tile component (global) */
 711                 tilec->x0 = int_ceildiv(tile->x0, image->comps[compno].dx);
 712                 tilec->y0 = int_ceildiv(tile->y0, image->comps[compno].dy);
 713                 tilec->x1 = int_ceildiv(tile->x1, image->comps[compno].dx);
 714                 tilec->y1 = int_ceildiv(tile->y1, image->comps[compno].dy);
 715
 716                 tilec->numresolutions = tccp->numresolutions;
 717                 tilec->resolutions = (opj_tcd_resolution_t *) opj_malloc(tilec->numresolutions * sizeof(opj_tcd_resolution_t));
 718
 719                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 720                         int pdx, pdy;
 721                         int levelno = tilec->numresolutions - 1 - resno;
 722                         int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 723                         int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 724                         int cbgwidthexpn, cbgheightexpn;
 725                         int cblkwidthexpn, cblkheightexpn;
 726
 727                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 728
 729                         /* border for each resolution level (global) */
 730                         res->x0 = int_ceildivpow2(tilec->x0, levelno);
 731                         res->y0 = int_ceildivpow2(tilec->y0, levelno);
 732                         res->x1 = int_ceildivpow2(tilec->x1, levelno);
 733                         res->y1 = int_ceildivpow2(tilec->y1, levelno);
 734                         res->numbands = resno == 0 ? 1 : 3;
 735
 736                         /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 737                         if (tccp->csty & J2K_CCP_CSTY_PRT) {
 738                                 pdx = tccp->prcw[resno];
 739                                 pdy = tccp->prch[resno];
 740                         } else {
 741                                 pdx = 15;
 742                                 pdy = 15;
 743                         }
 744
 745                         /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 746                         tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 747                         tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 748                         brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 749                         brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 750
 751                         res->pw = (res->x0 == res->x1) ? 0 : ((brprcxend - tlprcxstart) >> pdx);
 752                         res->ph = (res->y0 == res->y1) ? 0 : ((brprcyend - tlprcystart) >> pdy);
 753
 754                         if (resno == 0) {
 755                                 tlcbgxstart = tlprcxstart;
 756                                 tlcbgystart = tlprcystart;
 757                                 brcbgxend = brprcxend;
 758                                 brcbgyend = brprcyend;
 759                                 cbgwidthexpn = pdx;
 760                                 cbgheightexpn = pdy;
 761                         } else {
 762                                 tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 763                                 tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 764                                 brcbgxend = int_ceildivpow2(brprcxend, 1);
 765                                 brcbgyend = int_ceildivpow2(brprcyend, 1);
 766                                 cbgwidthexpn = pdx - 1;
 767                                 cbgheightexpn = pdy - 1;
 768                         }
 769
 770                         cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 771                         cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 772
 773                         for (bandno = 0; bandno < res->numbands; bandno++) {
 774                                 int x0b, y0b;
 775                                 int gain, numbps;
 776                                 opj_stepsize_t *ss = NULL;
 777
 778                                 opj_tcd_band_t *band = &res->bands[bandno];
 779                                 band->bandno = resno == 0 ? 0 : bandno + 1;
 780                                 x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 781                                 y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 782
 783                                 if (band->bandno == 0) {
 784                                         /* band border (global) */
 785                                         band->x0 = int_ceildivpow2(tilec->x0, levelno);
 786                                         band->y0 = int_ceildivpow2(tilec->y0, levelno);
 787                                         band->x1 = int_ceildivpow2(tilec->x1, levelno);
 788                                         band->y1 = int_ceildivpow2(tilec->y1, levelno);
 789                                 } else {
 790                                         /* band border (global) */
 791                                         band->x0 = int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b, levelno + 1);
 792                                         band->y0 = int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b, levelno + 1);
 793                                         band->x1 = int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b, levelno + 1);
 794                                         band->y1 = int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b, levelno + 1);
 795                                 }
 796
 797                                 ss = &tccp->stepsizes[resno == 0 ? 0 : 3 * (resno - 1) + bandno + 1];
 798                                 gain = tccp->qmfbid == 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 799                                 numbps = image->comps[compno].prec + gain;
 800                                 band->stepsize = (float)(((1.0 + ss->mant / 2048.0) * pow(2.0, numbps - ss->expn)) * 0.5);
 801                                 band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 802
 803                                 band->precincts = (opj_tcd_precinct_t *) opj_malloc(res->pw * res->ph * sizeof(opj_tcd_precinct_t));
 804
 805                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 806                                         int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 807                                         int cbgxstart = tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 808                                         int cbgystart = tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 809                                         int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 810                                         int cbgyend = cbgystart + (1 << cbgheightexpn);
 811
 812                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 813                                         /* precinct size (global) */
 814                                         prc->x0 = int_max(cbgxstart, band->x0);
 815                                         prc->y0 = int_max(cbgystart, band->y0);
 816                                         prc->x1 = int_min(cbgxend, band->x1);
 817                                         prc->y1 = int_min(cbgyend, band->y1);
 818
 819                                         tlcblkxstart = int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 820                                         tlcblkystart = int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 821                                         brcblkxend = int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 822                                         brcblkyend = int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 823                                         prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 824                                         prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 825
 826                                         prc->cblks.dec = (opj_tcd_cblk_dec_t*) opj_malloc(prc->cw * prc->ch * sizeof(opj_tcd_cblk_dec_t));
 827
 828                                         prc->incltree = tgt_create(prc->cw, prc->ch);
 829                                         prc->imsbtree = tgt_create(prc->cw, prc->ch);
 830
 831                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 832                                                 int cblkxstart = tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 833                                                 int cblkystart = tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 834                                                 int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 835                                                 int cblkyend = cblkystart + (1 << cblkheightexpn);
 836
 837                                                 opj_tcd_cblk_dec_t* cblk = &prc->cblks.dec[cblkno];
 838                                                 cblk->data = NULL;
 839                                                 cblk->segs = NULL;
 840                                                 /* code-block size (global) */
 841                                                 cblk->x0 = int_max(cblkxstart, prc->x0);
 842                                                 cblk->y0 = int_max(cblkystart, prc->y0);
 843                                                 cblk->x1 = int_min(cblkxend, prc->x1);
 844                                                 cblk->y1 = int_min(cblkyend, prc->y1);
 845                                                 cblk->numsegs = 0;
 846                                         }
 847                                 } /* precno */
 848                         } /* bandno */
 849                 } /* resno */
 850         } /* compno */
 851         /* tcd_dump(stdout, tcd, &tcd->tcd_image); */
 852 }
 853
 854 void tcd_makelayer_fixed(opj_tcd_t *tcd, int layno, int final) {
 855         int compno, resno, bandno, precno, cblkno;
 856         int value;                      /*, matrice[tcd_tcp->numlayers][tcd_tile->comps[0].numresolutions][3]; */
 857         int matrice[10][10][3];
 858         int i, j, k;
 859
 860         opj_cp_t *cp = tcd->cp;
 861         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
 862         opj_tcp_t *tcd_tcp = tcd->tcp;
 863
 864         /*matrice=(int*)opj_malloc(tcd_tcp->numlayers*tcd_tile->comps[0].numresolutions*3*sizeof(int)); */
 865
 866         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 867                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
 868                 for (i = 0; i < tcd_tcp->numlayers; i++) {
 869                         for (j = 0; j < tilec->numresolutions; j++) {
 870                                 for (k = 0; k < 3; k++) {
 871                                         matrice[i][j][k] =
 872                                                 (int) (cp->matrice[i * tilec->numresolutions * 3 + j * 3 + k]
 873                                                 * (float) (tcd->image->comps[compno].prec / 16.0));
 874                                 }
 875                         }
 876                 }
 877
 878                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 879                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 880                         for (bandno = 0; bandno < res->numbands; bandno++) {
 881                                 opj_tcd_band_t *band = &res->bands[bandno];
 882                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 883                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 884                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 885                                                 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
 886                                                 opj_tcd_layer_t *layer = &cblk->layers[layno];
 887                                                 int n;
 888                                                 int imsb = tcd->image->comps[compno].prec - cblk->numbps;       /* number of bit-plan equal to zero */
 889                                                 /* Correction of the matrix of coefficient to include the IMSB information */
 890                                                 if (layno == 0) {
 891                                                         value = matrice[layno][resno][bandno];
 892                                                         if (imsb >= value) {
 893                                                                 value = 0;
 894                                                         } else {
 895                                                                 value -= imsb;
 896                                                         }
 897                                                 } else {
 898                                                         value = matrice[layno][resno][bandno] - matrice[layno - 1][resno][bandno];
 899                                                         if (imsb >= matrice[layno - 1][resno][bandno]) {
 900                                                                 value -= (imsb - matrice[layno - 1][resno][bandno]);
 901                                                                 if (value < 0) {
 902                                                                         value = 0;
 903                                                                 }
 904                                                         }
 905                                                 }
 906
 907                                                 if (layno == 0) {
 908                                                         cblk->numpassesinlayers = 0;
 909                                                 }
 910
 911                                                 n = cblk->numpassesinlayers;
 912                                                 if (cblk->numpassesinlayers == 0) {
 913                                                         if (value != 0) {
 914                                                                 n = 3 * value - 2 + cblk->numpassesinlayers;
 915                                                         } else {
 916                                                                 n = cblk->numpassesinlayers;
 917                                                         }
 918                                                 } else {
 919                                                         n = 3 * value + cblk->numpassesinlayers;
 920                                                 }
 921
 922                                                 layer->numpasses = n - cblk->numpassesinlayers;
 923
 924                                                 if (!layer->numpasses)
 925                                                         continue;
 926
 927                                                 if (cblk->numpassesinlayers == 0) {
 928                                                         layer->len = cblk->passes[n - 1].rate;
 929                                                         layer->data = cblk->data;
 930                                                 } else {
 931                                                         layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
 932                                                         layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
 933                                                 }
 934                                                 if (final)
 935                                                         cblk->numpassesinlayers = n;
 936                                         }
 937                                 }
 938                         }
 939                 }
 940         }
 941 }
 942
 943 void tcd_rateallocate_fixed(opj_tcd_t *tcd) {
 944         int layno;
 945         for (layno = 0; layno < tcd->tcp->numlayers; layno++) {
 946                 tcd_makelayer_fixed(tcd, layno, 1);
 947         }
 948 }
 949
 950 void tcd_makelayer(opj_tcd_t *tcd, int layno, double thresh, int final) {
 951         int compno, resno, bandno, precno, cblkno, passno;
 952
 953         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
 954
 955         tcd_tile->distolayer[layno] = 0;        /* fixed_quality */
 956
 957         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 958                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
 959                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 960                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
 961                         for (bandno = 0; bandno < res->numbands; bandno++) {
 962                                 opj_tcd_band_t *band = &res->bands[bandno];
 963                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 964                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
 965                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 966                                                 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
 967                                                 opj_tcd_layer_t *layer = &cblk->layers[layno];
 968
 969                                                 int n;
 970                                                 if (layno == 0) {
 971                                                         cblk->numpassesinlayers = 0;
 972                                                 }
 973                                                 n = cblk->numpassesinlayers;
 974                                                 for (passno = cblk->numpassesinlayers; passno < cblk->totalpasses; passno++) {
 975                                                         int dr;
 976                                                         double dd;
 977                                                         opj_tcd_pass_t *pass = &cblk->passes[passno];
 978                                                         if (n == 0) {
 979                                                                 dr = pass->rate;
 980                                                                 dd = pass->distortiondec;
 981                                                         } else {
 982                                                                 dr = pass->rate - cblk->passes[n - 1].rate;
 983                                                                 dd = pass->distortiondec - cblk->passes[n - 1].distortiondec;
 984                                                         }
 985                                                         if (!dr) {
 986                                                                 if (dd != 0)
 987                                                                         n = passno + 1;
 988                                                                 continue;
 989                                                         }
 990                                                         if (dd / dr >= thresh)
 991                                                                 n = passno + 1;
 992                                                 }
 993                                                 layer->numpasses = n - cblk->numpassesinlayers;
 994
 995                                                 if (!layer->numpasses) {
 996                                                         layer->disto = 0;
 997                                                         continue;
 998                                                 }
 999                                                 if (cblk->numpassesinlayers == 0) {
1000                                                         layer->len = cblk->passes[n - 1].rate;
1001                                                         layer->data = cblk->data;
1002                                                         layer->disto = cblk->passes[n - 1].distortiondec;
1003                                                 } else {
1004                                                         layer->len = cblk->passes[n - 1].rate - cblk->passes[cblk->numpassesinlayers - 1].rate;
1005                                                         layer->data = cblk->data + cblk->passes[cblk->numpassesinlayers - 1].rate;
1006                                                         layer->disto = cblk->passes[n - 1].distortiondec - cblk->passes[cblk->numpassesinlayers - 1].distortiondec;
1007                                                 }
1008
1009                                                 tcd_tile->distolayer[layno] += layer->disto;    /* fixed_quality */
1010
1011                                                 if (final)
1012                                                         cblk->numpassesinlayers = n;
1013                                         }
1014                                 }
1015                         }
1016                 }
1017         }
1018 }
1019
1020 opj_bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_codestream_info_t *cstr_info) {
1021         int compno, resno, bandno, precno, cblkno, passno, layno;
1022         double min, max;
1023         double cumdisto[100];   /* fixed_quality */
1024         const double K = 1;             /* 1.1; fixed_quality */
1025         double maxSE = 0;
1026
1027         opj_cp_t *cp = tcd->cp;
1028         opj_tcd_tile_t *tcd_tile = tcd->tcd_tile;
1029         opj_tcp_t *tcd_tcp = tcd->tcp;
1030
1031         min = DBL_MAX;
1032         max = 0;
1033
1034         tcd_tile->numpix = 0;           /* fixed_quality */
1035
1036         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
1037                 opj_tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
1038                 tilec->numpix = 0;
1039
1040                 for (resno = 0; resno < tilec->numresolutions; resno++) {
1041                         opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1042
1043                         for (bandno = 0; bandno < res->numbands; bandno++) {
1044                                 opj_tcd_band_t *band = &res->bands[bandno];
1045
1046                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
1047                                         opj_tcd_precinct_t *prc = &band->precincts[precno];
1048
1049                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
1050                                                 opj_tcd_cblk_enc_t *cblk = &prc->cblks.enc[cblkno];
1051
1052                                                 for (passno = 0; passno < cblk->totalpasses; passno++) {
1053                                                         opj_tcd_pass_t *pass = &cblk->passes[passno];
1054                                                         int dr;
1055                                                         double dd, rdslope;
1056                                                         if (passno == 0) {
1057                                                                 dr = pass->rate;
1058                                                                 dd = pass->distortiondec;
1059                                                         } else {
1060                                                                 dr = pass->rate - cblk->passes[passno - 1].rate;
1061                                                                 dd = pass->distortiondec - cblk->passes[passno - 1].distortiondec;
1062                                                         }
1063                                                         if (dr == 0) {
1064                                                                 continue;
1065                                                         }
1066                                                         rdslope = dd / dr;
1067                                                         if (rdslope < min) {
1068                                                                 min = rdslope;
1069                                                         }
1070                                                         if (rdslope > max) {
1071                                                                 max = rdslope;
1072                                                         }
1073                                                 } /* passno */
1074
1075                                                 /* fixed_quality */
1076                                                 tcd_tile->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1077                                                 tilec->numpix += ((cblk->x1 - cblk->x0) * (cblk->y1 - cblk->y0));
1078                                         } /* cbklno */
1079                                 } /* precno */
1080                         } /* bandno */
1081                 } /* resno */
1082
1083                 maxSE += (((double)(1 << tcd->image->comps[compno].prec) - 1.0)
1084                         * ((double)(1 << tcd->image->comps[compno].prec) -1.0))
1085                         * ((double)(tilec->numpix));
1086         } /* compno */
1087
1088         /* index file */
1089         if(cstr_info) {
1090                 opj_tile_info_t *tile_info = &cstr_info->tile[tcd->tcd_tileno];
1091                 tile_info->numpix = tcd_tile->numpix;
1092                 tile_info->distotile = tcd_tile->distotile;
1093                 tile_info->thresh = (double *) opj_malloc(tcd_tcp->numlayers * sizeof(double));
1094         }
1095
1096         for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
1097                 double lo = min;
1098                 double hi = max;
1099                 int success = 0;
1100                 int maxlen = tcd_tcp->rates[layno] ? int_min(((int) ceil(tcd_tcp->rates[layno])), len) : len;
1101                 double goodthresh = 0;
1102                 double stable_thresh = 0;
1103                 int i;
1104                 double distotarget;             /* fixed_quality */
1105
1106                 /* fixed_quality */
1107                 distotarget = tcd_tile->distotile - ((K * maxSE) / pow((float)10, tcd_tcp->distoratio[layno] / 10));
1108
1109                 /* Don't try to find an optimal threshold but rather take everything not included yet, if
1110                   -r xx,yy,zz,0   (disto_alloc == 1 and rates == 0)
1111                   -q xx,yy,zz,0   (fixed_quality == 1 and distoratio == 0)
1112                   ==> possible to have some lossy layers and the last layer for sure lossless */
1113                 if ( ((cp->disto_alloc==1) && (tcd_tcp->rates[layno]>0)) || ((cp->fixed_quality==1) && (tcd_tcp->distoratio[layno]>0))) {
1114                         opj_t2_t *t2 = t2_create(tcd->cinfo, tcd->image, cp);
1115                         double thresh = 0;
1116
1117                         for (i = 0; i < 128; i++) {
1118                                 int l = 0;
1119                                 double distoachieved = 0;       /* fixed_quality */
1120                                 thresh = (lo + hi) / 2;
1121
1122                                 tcd_makelayer(tcd, layno, thresh, 0);
1123
1124                                 if (cp->fixed_quality) {        /* fixed_quality */
1125                                         if(cp->cinema){
1126                                                 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);
1127                                                 if (l == -999) {
1128                                                         lo = thresh;
1129                                                         continue;
1130                                                 }else{
1131                         distoachieved = layno == 0 ?
1132                                                         tcd_tile->distolayer[0] : cumdisto[layno - 1] + tcd_tile->distolayer[layno];
1133                                                         if (distoachieved < distotarget) {
1134                                                                 hi=thresh;
1135                                                                 stable_thresh = thresh;
1136                                                                 continue;
1137                                                         }else{
1138                                                                 lo=thresh;
1139                                                         }
1140                                                 }
1141                                         }else{
1142                                                 distoachieved = (layno == 0) ?
1143                                                         tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
1144                                                 if (distoachieved < distotarget) {
1145                                                         hi = thresh;
1146                                                         stable_thresh = thresh;
1147                                                         continue;
1148                                                 }
1149                                                 lo = thresh;
1150                                         }
1151                                 } else {
1152                                         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);
1153                                         /* TODO: what to do with l ??? seek / tell ??? */
1154                                         /* opj_event_msg(tcd->cinfo, EVT_INFO, "rate alloc: len=%d, max=%d\n", l, maxlen); */
1155                                         if (l == -999) {
1156                                                 lo = thresh;
1157                                                 continue;
1158                                         }
1159                                         hi = thresh;
1160                                         stable_thresh = thresh;
1161                                 }
1162                         }
1163                         success = 1;
1164                         goodthresh = stable_thresh == 0? thresh : stable_thresh;
1165                         t2_destroy(t2);
1166                 } else {
1167                         success = 1;
1168                         goodthresh = min;
1169                 }
1170
1171                 if (!success) {
1172                         return OPJ_FALSE;
1173                 }
1174
1175                 if(cstr_info) { /* Threshold for Marcela Index */
1176                         cstr_info->tile[tcd->tcd_tileno].thresh[layno] = goodthresh;
1177                 }
1178                 tcd_makelayer(tcd, layno, goodthresh, 1);
1179
1180                 /* fixed_quality */
1181                 cumdisto[layno] = (layno == 0) ? tcd_tile->distolayer[0] : (cumdisto[layno - 1] + tcd_tile->distolayer[layno]);
1182         }
1183
1184         return OPJ_TRUE;
1185 }
1186
1187 int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len, opj_codestream_info_t *cstr_info) {
1188         int compno;
1189         int l, i, numpacks = 0;
1190         opj_tcd_tile_t *tile = NULL;
1191         opj_tcp_t *tcd_tcp = NULL;
1192         opj_cp_t *cp = NULL;
1193
1194         opj_tcp_t *tcp = &tcd->cp->tcps[0];
1195         opj_tccp_t *tccp = &tcp->tccps[0];
1196         opj_image_t *image = tcd->image;
1197
1198         opj_t1_t *t1 = NULL;            /* T1 component */
1199         opj_t2_t *t2 = NULL;            /* T2 component */
1200
1201         tcd->tcd_tileno = tileno;
1202         tcd->tcd_tile = tcd->tcd_image->tiles;
1203         tcd->tcp = &tcd->cp->tcps[tileno];
1204
1205         tile = tcd->tcd_tile;
1206         tcd_tcp = tcd->tcp;
1207         cp = tcd->cp;
1208
1209         if(tcd->cur_tp_num == 0){
1210                 tcd->encoding_time = opj_clock();       /* time needed to encode a tile */
1211                 /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
1212                 if(cstr_info) {
1213                         opj_tcd_tilecomp_t *tilec_idx = &tile->comps[0];        /* based on component 0 */
1214                         for (i = 0; i < tilec_idx->numresolutions; i++) {
1215                                 opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[i];
1216
1217                                 cstr_info->tile[tileno].pw[i] = res_idx->pw;
1218                                 cstr_info->tile[tileno].ph[i] = res_idx->ph;
1219
1220                                 numpacks += res_idx->pw * res_idx->ph;
1221
1222                                 cstr_info->tile[tileno].pdx[i] = tccp->prcw[i];
1223                                 cstr_info->tile[tileno].pdy[i] = tccp->prch[i];
1224                         }
1225                         cstr_info->tile[tileno].packet = (opj_packet_info_t*) opj_calloc(cstr_info->numcomps * cstr_info->numlayers * numpacks, sizeof(opj_packet_info_t));
1226                 }
1227                 /* << INDEX */
1228
1229                 /*---------------TILE-------------------*/
1230
1231                 for (compno = 0; compno < tile->numcomps; compno++) {
1232                         int x, y;
1233
1234                         int adjust = image->comps[compno].sgnd ? 0 : 1 << (image->comps[compno].prec - 1);
1235                         int offset_x = int_ceildiv(image->x0, image->comps[compno].dx);
1236                         int offset_y = int_ceildiv(image->y0, image->comps[compno].dy);
1237
1238                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1239                         int tw = tilec->x1 - tilec->x0;
1240                         int w = int_ceildiv(image->x1 - image->x0, image->comps[compno].dx);
1241
1242                         /* extract tile data */
1243
1244                         if (tcd_tcp->tccps[compno].qmfbid == 1) {
1245                                 for (y = tilec->y0; y < tilec->y1; y++) {
1246                                         /* start of the src tile scanline */
1247                                         int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1248                                         /* start of the dst tile scanline */
1249                                         int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1250                                         for (x = tilec->x0; x < tilec->x1; x++) {
1251                                                 *tile_data++ = *data++ - adjust;
1252                                         }
1253                                 }
1254                         } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1255                                 for (y = tilec->y0; y < tilec->y1; y++) {
1256                                         /* start of the src tile scanline */
1257                                         int *data = &image->comps[compno].data[(tilec->x0 - offset_x) + (y - offset_y) * w];
1258                                         /* start of the dst tile scanline */
1259                                         int *tile_data = &tilec->data[(y - tilec->y0) * tw];
1260                                         for (x = tilec->x0; x < tilec->x1; x++) {
1261                                                 *tile_data++ = (*data++ - adjust) << 11;
1262                                         }
1263
1264                                 }
1265                         }
1266                 }
1267
1268                 /*----------------MCT-------------------*/
1269                 if (tcd_tcp->mct) {
1270                         int samples = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
1271                         if (tcd_tcp->tccps[0].qmfbid == 0) {
1272                                 mct_encode_real(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1273                         } else {
1274                                 mct_encode(tile->comps[0].data, tile->comps[1].data, tile->comps[2].data, samples);
1275                         }
1276                 }
1277
1278                 /*----------------DWT---------------------*/
1279
1280                 for (compno = 0; compno < tile->numcomps; compno++) {
1281                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1282                         if (tcd_tcp->tccps[compno].qmfbid == 1) {
1283                                 dwt_encode(tilec);
1284                         } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1285                                 dwt_encode_real(tilec);
1286                         }
1287                 }
1288
1289                 /*------------------TIER1-----------------*/
1290                 t1 = t1_create(tcd->cinfo);
1291                 t1_encode_cblks(t1, tile, tcd_tcp);
1292                 t1_destroy(t1);
1293
1294                 /*-----------RATE-ALLOCATE------------------*/
1295
1296                 /* INDEX */
1297                 if(cstr_info) {
1298                         cstr_info->index_write = 0;
1299                 }
1300                 if (cp->disto_alloc || cp->fixed_quality) {     /* fixed_quality */
1301                         /* Normal Rate/distortion allocation */
1302                         tcd_rateallocate(tcd, dest, len, cstr_info);
1303                 } else {
1304                         /* Fixed layer allocation */
1305                         tcd_rateallocate_fixed(tcd);
1306                 }
1307         }
1308         /*--------------TIER2------------------*/
1309
1310         /* INDEX */
1311         if(cstr_info) {
1312                 cstr_info->index_write = 1;
1313         }
1314
1315         t2 = t2_create(tcd->cinfo, image, cp);
1316         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);
1317         t2_destroy(t2);
1318
1319         /*---------------CLEAN-------------------*/
1320
1321
1322         if(tcd->cur_tp_num == tcd->cur_totnum_tp - 1){
1323                 tcd->encoding_time = opj_clock() - tcd->encoding_time;
1324                 opj_event_msg(tcd->cinfo, EVT_INFO, "- tile encoded in %f s\n", tcd->encoding_time);
1325
1326                 /* cleaning memory */
1327                 for (compno = 0; compno < tile->numcomps; compno++) {
1328                         opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1329                         opj_aligned_free(tilec->data);
1330                 }
1331         }
1332
1333         return l;
1334 }
1335
1336 opj_bool tcd_decode_tile(opj_tcd_t *tcd, unsigned char *src, int len, int tileno, opj_codestream_info_t *cstr_info) {
1337         int l;
1338         int compno;
1339         int eof = 0;
1340         double tile_time, t1_time, dwt_time;
1341         opj_tcd_tile_t *tile = NULL;
1342
1343         opj_t1_t *t1 = NULL;            /* T1 component */
1344         opj_t2_t *t2 = NULL;            /* T2 component */
1345
1346         tcd->tcd_tileno = tileno;
1347         tcd->tcd_tile = &(tcd->tcd_image->tiles[tileno]);
1348         tcd->tcp = &(tcd->cp->tcps[tileno]);
1349         tile = tcd->tcd_tile;
1350
1351         tile_time = opj_clock();        /* time needed to decode a tile */
1352         opj_event_msg(tcd->cinfo, EVT_INFO, "tile %d of %d\n", tileno + 1, tcd->cp->tw * tcd->cp->th);
1353
1354         /* INDEX >>  */
1355         if(cstr_info) {
1356                 int resno, compno, numprec = 0;
1357                 for (compno = 0; compno < cstr_info->numcomps; compno++) {
1358                         opj_tcp_t *tcp = &tcd->cp->tcps[0];
1359                         opj_tccp_t *tccp = &tcp->tccps[compno];
1360                         opj_tcd_tilecomp_t *tilec_idx = &tile->comps[compno];
1361                         for (resno = 0; resno < tilec_idx->numresolutions; resno++) {
1362                                 opj_tcd_resolution_t *res_idx = &tilec_idx->resolutions[resno];
1363                                 cstr_info->tile[tileno].pw[resno] = res_idx->pw;
1364                                 cstr_info->tile[tileno].ph[resno] = res_idx->ph;
1365                                 numprec += res_idx->pw * res_idx->ph;
1366                                 if (tccp->csty & J2K_CP_CSTY_PRT) {
1367                                         cstr_info->tile[tileno].pdx[resno] = tccp->prcw[resno];
1368                                         cstr_info->tile[tileno].pdy[resno] = tccp->prch[resno];
1369                                 }
1370                                 else {
1371                                         cstr_info->tile[tileno].pdx[resno] = 15;
1372                                         cstr_info->tile[tileno].pdy[resno] = 15;
1373                                 }
1374                         }
1375                 }
1376                 cstr_info->tile[tileno].packet = (opj_packet_info_t *) opj_malloc(cstr_info->numlayers * numprec * sizeof(opj_packet_info_t));
1377                 cstr_info->packno = 0;
1378         }
1379         /* << INDEX */
1380
1381         /*--------------TIER2------------------*/
1382
1383         t2 = t2_create(tcd->cinfo, tcd->image, tcd->cp);
1384         l = t2_decode_packets(t2, src, len, tileno, tile, cstr_info);
1385         t2_destroy(t2);
1386
1387         if (l == -999) {
1388                 eof = 1;
1389                 opj_event_msg(tcd->cinfo, EVT_ERROR, "tcd_decode: incomplete bistream\n");
1390         }
1391
1392         /*------------------TIER1-----------------*/
1393
1394         t1_time = opj_clock();  /* time needed to decode a tile */
1395         t1 = t1_create(tcd->cinfo);
1396     if (t1 == NULL)
1397     {
1398         opj_event_msg(tcd->cinfo, EVT_ERROR, "Out of memory\n");
1399         t1_destroy(t1);
1400         return OPJ_FALSE;
1401     }
1402
1403         for (compno = 0; compno < tile->numcomps; ++compno) {
1404                 opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
1405                 /* The +3 is headroom required by the vectorized DWT */
1406                 tilec->data = (int*) opj_aligned_malloc((((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0))+3) * sizeof(int));
1407         if (tilec->data == NULL)
1408         {
1409             opj_event_msg(tcd->cinfo, EVT_ERROR, "Out of memory\n");
1410             return OPJ_FALSE;
1411         }
1412
1413                 t1_decode_cblks(t1, tilec, &tcd->tcp->tccps[compno]);
1414         }
1415         t1_destroy(t1);
1416         t1_time = opj_clock() - t1_time;
1417         opj_event_msg(tcd->cinfo, EVT_INFO, "- tiers-1 took %f s\n", t1_time);
1418
1419         /*----------------DWT---------------------*/
1420
1421         dwt_time = opj_clock(); /* time needed to decode a tile */
1422         for (compno = 0; compno < tile->numcomps; compno++) {
1423                 opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1424                 int numres2decode;
1425
1426                 if (tcd->cp->reduce != 0) {
1427                         if ( tile->comps[compno].numresolutions < ( tcd->cp->reduce - 1 ) ) {
1428                                 opj_event_msg(tcd->cinfo, EVT_ERROR, "Error decoding tile. The number of resolutions to remove [%d+1] is higher than the number "
1429                                         " of resolutions in the original codestream [%d]\nModify the cp_reduce parameter.\n", tcd->cp->reduce, tile->comps[compno].numresolutions);
1430                                 return OPJ_FALSE;
1431                         }
1432       else {
1433                         tcd->image->comps[compno].resno_decoded =
1434                                 tile->comps[compno].numresolutions - tcd->cp->reduce - 1;
1435       }
1436                 }
1437
1438                 numres2decode = tcd->image->comps[compno].resno_decoded + 1;
1439                 if(numres2decode > 0){
1440                         if (tcd->tcp->tccps[compno].qmfbid == 1) {
1441                                 dwt_decode(tilec, numres2decode);
1442                         } else {
1443                                 dwt_decode_real(tilec, numres2decode);
1444                         }
1445                 }
1446         }
1447         dwt_time = opj_clock() - dwt_time;
1448         opj_event_msg(tcd->cinfo, EVT_INFO, "- dwt took %f s\n", dwt_time);
1449
1450         /*----------------MCT-------------------*/
1451
1452         if (tcd->tcp->mct) {
1453                 int n = (tile->comps[0].x1 - tile->comps[0].x0) * (tile->comps[0].y1 - tile->comps[0].y0);
1454
1455                 if (tile->numcomps >= 3 ){
1456                         if (tcd->tcp->tccps[0].qmfbid == 1) {
1457                                 mct_decode(
1458                                                 tile->comps[0].data,
1459                                                 tile->comps[1].data,
1460                                                 tile->comps[2].data,
1461                                                 n);
1462                         } else {
1463                                 mct_decode_real(
1464                                                 (float*)tile->comps[0].data,
1465                                                 (float*)tile->comps[1].data,
1466                                                 (float*)tile->comps[2].data,
1467                                                 n);
1468                         }
1469                 } else{
1470                         opj_event_msg(tcd->cinfo, EVT_WARNING,"Number of components (%d) is inconsistent with a MCT. Skip the MCT step.\n",tile->numcomps);
1471                 }
1472         }
1473
1474         /*---------------TILE-------------------*/
1475
1476         for (compno = 0; compno < tile->numcomps; ++compno) {
1477                 opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
1478                 opj_image_comp_t* imagec = &tcd->image->comps[compno];
1479                 opj_tcd_resolution_t* res = &tilec->resolutions[imagec->resno_decoded];
1480                 int adjust = imagec->sgnd ? 0 : 1 << (imagec->prec - 1);
1481                 int min = imagec->sgnd ? -(1 << (imagec->prec - 1)) : 0;
1482                 int max = imagec->sgnd ?  (1 << (imagec->prec - 1)) - 1 : (1 << imagec->prec) - 1;
1483
1484                 int tw = tilec->x1 - tilec->x0;
1485                 int w = imagec->w;
1486
1487                 int offset_x = int_ceildivpow2(imagec->x0, imagec->factor);
1488                 int offset_y = int_ceildivpow2(imagec->y0, imagec->factor);
1489
1490                 int i, j;
1491                 if(!imagec->data){
1492                         imagec->data = (int*) opj_malloc(imagec->w * imagec->h * sizeof(int));
1493                 }
1494         if (!imagec->data)
1495         {
1496             opj_event_msg(tcd->cinfo, EVT_ERROR, "Out of memory\n");
1497             return OPJ_FALSE;
1498         }
1499                 if(tcd->tcp->tccps[compno].qmfbid == 1) {
1500                         for(j = res->y0; j < res->y1; ++j) {
1501                                 for(i = res->x0; i < res->x1; ++i) {
1502                                         int v = tilec->data[i - res->x0 + (j - res->y0) * tw];
1503                                         v += adjust;
1504                                         imagec->data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
1505                                 }
1506                         }
1507                 }else{
1508                         for(j = res->y0; j < res->y1; ++j) {
1509                                 for(i = res->x0; i < res->x1; ++i) {
1510                                         float tmp = ((float*)tilec->data)[i - res->x0 + (j - res->y0) * tw];
1511                                         int v = lrintf(tmp);
1512                                         v += adjust;
1513                                         imagec->data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);
1514                                 }
1515                         }
1516                 }
1517                 opj_aligned_free(tilec->data);
1518         }
1519
1520         tile_time = opj_clock() - tile_time;    /* time needed to decode a tile */
1521         opj_event_msg(tcd->cinfo, EVT_INFO, "- tile decoded in %f s\n", tile_time);
1522
1523         if (eof) {
1524                 return OPJ_FALSE;
1525         }
1526
1527         return OPJ_TRUE;
1528 }
1529
1530 void tcd_free_decode(opj_tcd_t *tcd) {
1531         opj_tcd_image_t *tcd_image = tcd->tcd_image;
1532     int i = 0;
1533     for (i = 0; i < tcd_image->tw * tcd_image->th; i++)
1534     {
1535         tcd_free_decode_tile(tcd, i);
1536     }
1537
1538         opj_free(tcd_image->tiles);
1539 }
1540
1541 void tcd_free_decode_tile(opj_tcd_t *tcd, int tileno) {
1542     int compno,resno,bandno,precno,cblkno;
1543
1544         opj_tcd_image_t *tcd_image = tcd->tcd_image;
1545
1546         opj_tcd_tile_t *tile = &tcd_image->tiles[tileno];
1547     if (tile->comps != NULL) {
1548         for (compno = 0; compno < tile->numcomps; compno++) {
1549             opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
1550             for (resno = 0; resno < tilec->numresolutions; resno++) {
1551                 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1552                 for (bandno = 0; bandno < res->numbands; bandno++) {
1553                     opj_tcd_band_t *band = &res->bands[bandno];
1554                     for (precno = 0; precno < res->ph * res->pw; precno++) {
1555                         opj_tcd_precinct_t *prec = &band->precincts[precno];
1556                         if (prec->cblks.dec != NULL) {
1557                             for (cblkno = 0; cblkno < prec->cw * prec->ch; ++cblkno) {
1558                                 opj_tcd_cblk_dec_t* cblk = &prec->cblks.dec[cblkno];
1559                                 opj_free(cblk->data);
1560                                 opj_free(cblk->segs);
1561                             }
1562                             opj_free(prec->cblks.dec);
1563                         }
1564                         if (prec->imsbtree != NULL) tgt_destroy(prec->imsbtree);
1565                         if (prec->incltree != NULL) tgt_destroy(prec->incltree);
1566
1567
1568                     }
1569                     opj_free(band->precincts);
1570                                 }
1571                         }
1572             opj_free(tilec->resolutions);
1573                 }
1574         opj_free(tile->comps);
1575         tile->comps = NULL;
1576         }
1577 }
1578
1579
1580