libopenjpeg/tcd.c

   1 /*
   2  * Copyright (c) 2001-2002, David Janssens
   3  * Copyright (c) 2002-2003, Yannick Verschueren
   4  * Copyright (c) 2002-2003,  Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
  17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  26  * POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #include "tcd.h"
  30 #include "int.h"
  31 #include "t1.h"
  32 #include "t2.h"
  33 #include "dwt.h"
  34 #include "mct.h"
  35 #include <setjmp.h>
  36 #include <float.h>
  37 #include <stdio.h>
  38 #include <time.h>
  39 #include <math.h>
  40 #include <stdlib.h>
  41 #include <string.h>
  42
  43 static tcd_image_t tcd_image;
  44
  45 static j2k_image_t *tcd_img;
  46 static j2k_cp_t *tcd_cp;
  47
  48 static tcd_tile_t *tcd_tile;
  49 static j2k_tcp_t *tcd_tcp;
  50 static int tcd_tileno;
  51
  52 static tcd_tile_t *tile;
  53 static tcd_tilecomp_t *tilec;
  54 static tcd_resolution_t *res;
  55 static tcd_band_t *band;
  56 static tcd_precinct_t *prc;
  57 static tcd_cblk_t *cblk;
  58
  59 extern jmp_buf j2k_error;
  60
  61 void tcd_dump(tcd_image_t * img, int curtileno)
  62 {
  63         int tileno, compno, resno, bandno, precno, cblkno;
  64         /* fprintf(stderr, "image {\n"); */
  65         fprintf(stderr, "  tw=%d, th=%d x0 %d x1 %d\n", img->tw, img->th,
  66                                         tcd_img->x0, tcd_img->x1);
  67         for (tileno = 0; tileno < 1; tileno++) {
  68                 tcd_tile_t *tile = &tcd_image.tiles[curtileno];
  69                 /* fprintf(stderr, "  tile {\n"); */
  70                 /* fprintf(stderr, "    x0=%d, y0=%d, x1=%d, y1=%d, numcomps=%d\n", tile->x0, tile->y0, tile->x1, tile->y1, tile->numcomps); */
  71                 for (compno = 0; compno < tile->numcomps; compno++) {
  72                         tcd_tilecomp_t *tilec = &tile->comps[compno];
  73                         /* fprintf(stderr, "    tilec {\n"); */
  74                         /* fprintf(stderr, "      x0=%d, y0=%d, x1=%d, y1=%d, numresolutions=%d\n", tilec->x0, tilec->y0, tilec->x1, tilec->y1, tilec->numresolutions); */
  75                         for (resno = 0; resno < tilec->numresolutions; resno++) {
  76                                 tcd_resolution_t *res = &tilec->resolutions[resno];
  77                                 /* fprintf(stderr, "\n   res {\n"); */
  78                                 /* fprintf(stderr, "          x0=%d, y0=%d, x1=%d, y1=%d, pw=%d, ph=%d, numbands=%d\n", res->x0, res->y0, res->x1, res->y1, res->pw, res->ph, res->numbands); */
  79                                 for (bandno = 0; bandno < res->numbands; bandno++) {
  80                                         tcd_band_t *band = &res->bands[bandno];
  81                                         /* fprintf(stderr, "        band {\n"); */
  82                                         /* fprintf(stderr, "          x0=%d, y0=%d, x1=%d, y1=%d, stepsize=%d, numbps=%d\n", band->x0, band->y0, band->x1, band->y1, band->stepsize, band->numbps); */
  83                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
  84                                                 tcd_precinct_t *prec = &band->precincts[precno];
  85                                                 /* fprintf(stderr, "          prec {\n"); */
  86                                                 /* fprintf(stderr, "            x0=%d, y0=%d, x1=%d, y1=%d, cw=%d, ch=%d\n", prec->x0, prec->y0, prec->x1, prec->y1, prec->cw, prec->ch); */
  87                                                 for (cblkno = 0; cblkno < prec->cw * prec->ch; cblkno++) {
  88                                                         /* tcd_cblk_t *cblk=&prec->cblks[cblkno]; */
  89                                                         /* fprintf(stderr, "            cblk {\n"); */
  90                                                         /* fprintf(stderr, "              x0=%d, y0=%d, x1=%d, y1=%d\n", cblk->x0, cblk->y0, cblk->x1, cblk->y1); */
  91                                                         /* fprintf(stderr, "            }\n"); */
  92                                                 }
  93                                                 /* fprintf(stderr, "          }\n"); */
  94                                         }
  95                                         /* fprintf(stderr, "        }\n"); */
  96                                 }
  97                                 /* fprintf(stderr, "      }\n"); */
  98                         }
  99                         /* fprintf(stderr, "    }\n"); */
 100                 }
 101                 /* fprintf(stderr, "  }\n"); */
 102         }
 103         /* fprintf(stderr, "}\n"); */
 104 }
 105
 106 void tcd_malloc_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno)
 107 {
 108         int tileno, compno, resno, bandno, precno, cblkno;
 109         tcd_img = img;
 110         tcd_cp = cp;
 111         tcd_image.tw = cp->tw;
 112         tcd_image.th = cp->th;
 113         tcd_image.tiles = (tcd_tile_t *) malloc(sizeof(tcd_tile_t));
 114
 115         for (tileno = 0; tileno < 1; tileno++) {
 116                 j2k_tcp_t *tcp = &cp->tcps[curtileno];
 117                 int j;
 118                 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 119                 int p = curtileno % cp->tw;     /* si numerotation matricielle .. */
 120                 int q = curtileno / cp->tw;     /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
 121                 /* tcd_tile_t *tile=&tcd_image.tiles[tileno]; */
 122                 tile = tcd_image.tiles;
 123                 /* 4 borders of the tile rescale on the image if necessary */
 124                 tile->x0 = int_max(cp->tx0 + p * cp->tdx, img->x0);
 125                 tile->y0 = int_max(cp->ty0 + q * cp->tdy, img->y0);
 126                 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, img->x1);
 127                 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, img->y1);
 128                 tile->numcomps = img->numcomps;
 129                 /* tile->PPT=img->PPT;  */
 130                 /* Modification of the RATE >> */
 131                 for (j = 0; j < tcp->numlayers; j++) {
 132                         tcp->rates[j] =
 133                                 ceil(tile->numcomps * (tile->x1 - tile->x0) *
 134                                                  (tile->y1 -
 135                                                         tile->y0) * img->comps[0].prec / (tcp->rates[j] * 8 *
 136                                                                                                                                                                                                 img->comps[0].dx *
 137                                                                                                                                                                                                 img->comps[0].dy));
 138                         if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
 139                                 tcp->rates[j] = tcp->rates[j - 1] + 20;
 140                         } else {
 141                                 if (!j && tcp->rates[j] < 30)
 142                                         tcp->rates[j] = 30;
 143                         }
 144                 }
 145                 /* << Modification of the RATE */
 146
 147                 tile->comps =
 148                         (tcd_tilecomp_t *) malloc(img->numcomps * sizeof(tcd_tilecomp_t));
 149                 for (compno = 0; compno < tile->numcomps; compno++) {
 150                         j2k_tccp_t *tccp = &tcp->tccps[compno];
 151                         /* tcd_tilecomp_t *tilec=&tile->comps[compno]; */
 152                         tilec = &tile->comps[compno];
 153                         /* border of each tile component (global) */
 154                         tilec->x0 = int_ceildiv(tile->x0, img->comps[compno].dx);
 155
 156                         tilec->y0 = int_ceildiv(tile->y0, img->comps[compno].dy);
 157                         tilec->x1 = int_ceildiv(tile->x1, img->comps[compno].dx);
 158                         tilec->y1 = int_ceildiv(tile->y1, img->comps[compno].dy);
 159
 160                         /* Special DWT (always this case) */
 161                         tilec->previous_row = 0;
 162                         tilec->previous_col = 0;
 163
 164                         tilec->data =
 165                                 (int *) malloc(sizeof(int) * (tilec->x1 - tilec->x0) *
 166                                                                                          (tilec->y1 - tilec->y0));
 167                         tilec->numresolutions = tccp->numresolutions;
 168
 169                         tilec->resolutions =
 170                                 (tcd_resolution_t *) malloc(tilec->numresolutions *
 171                                                                                                                                                 sizeof(tcd_resolution_t));
 172
 173                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 174                                 int pdx, pdy;
 175                                 int levelno = tilec->numresolutions - 1 - resno;
 176                                 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 177                                 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 178                                 int cbgwidthexpn, cbgheightexpn;
 179                                 int cblkwidthexpn, cblkheightexpn;
 180                                 /* tcd_resolution_t *res=&tilec->resolutions[resno]; */
 181
 182                                 res = &tilec->resolutions[resno];
 183
 184                                 /* border for each resolution level (global) */
 185                                 res->x0 = int_ceildivpow2(tilec->x0, levelno);
 186                                 res->y0 = int_ceildivpow2(tilec->y0, levelno);
 187                                 res->x1 = int_ceildivpow2(tilec->x1, levelno);
 188                                 res->y1 = int_ceildivpow2(tilec->y1, levelno);
 189
 190                                 /* Special DWT (always this case) */
 191                                 res->previous_x0 = 0;
 192                                 res->previous_y0 = 0;
 193                                 res->previous_x1 = 0;
 194                                 res->previous_y1 = 0;
 195                                 res->cas_row = 0;
 196                                 res->cas_col = 0;
 197                                 /* << DWT */
 198                                 res->numbands = resno == 0 ? 1 : 3;
 199                                 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 200                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 201                                         pdx = tccp->prcw[resno];
 202                                         pdy = tccp->prch[resno];
 203                                 } else {
 204                                         pdx = 15;
 205                                         pdy = 15;
 206                                 }
 207                                 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 208                                 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 209                                 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 210                                 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 211                                 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 212
 213                                 res->pw = (brprcxend - tlprcxstart) >> pdx;
 214                                 res->ph = (brprcyend - tlprcystart) >> pdy;
 215
 216                                 if (resno == 0) {
 217                                         tlcbgxstart = tlprcxstart;
 218                                         tlcbgystart = tlprcystart;
 219                                         brcbgxend = brprcxend;
 220                                         brcbgyend = brprcyend;
 221                                         cbgwidthexpn = pdx;
 222                                         cbgheightexpn = pdy;
 223                                 } else {
 224                                         tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 225                                         tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 226                                         brcbgxend = int_ceildivpow2(brprcxend, 1);
 227                                         brcbgyend = int_ceildivpow2(brprcyend, 1);
 228                                         cbgwidthexpn = pdx - 1;
 229                                         cbgheightexpn = pdy - 1;
 230                                 }
 231
 232                                 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 233                                 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 234
 235                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 236                                         int x0b, y0b, i;
 237                                         int gain, numbps;
 238                                         j2k_stepsize_t *ss;
 239                                         band = &res->bands[bandno];
 240                                         band->bandno = resno == 0 ? 0 : bandno + 1;
 241                                         x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 242                                         y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 243
 244                                         if (band->bandno == 0) {
 245                                                 /* band border (global) */
 246                                                 band->x0 = int_ceildivpow2(tilec->x0, levelno);
 247                                                 band->y0 = int_ceildivpow2(tilec->y0, levelno);
 248                                                 band->x1 = int_ceildivpow2(tilec->x1, levelno);
 249                                                 band->y1 = int_ceildivpow2(tilec->y1, levelno);
 250                                         } else {
 251                                                 /* band border (global) */
 252                                                 band->x0 =
 253                                                         int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b,
 254                                                                                                                         levelno + 1);
 255                                                 band->y0 =
 256                                                         int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b,
 257                                                                                                                         levelno + 1);
 258                                                 band->x1 =
 259                                                         int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b,
 260                                                                                                                         levelno + 1);
 261                                                 band->y1 =
 262                                                         int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b,
 263                                                                                                                         levelno + 1);
 264
 265                                         }
 266
 267                                         ss =
 268                                                 &tccp->stepsizes[resno ==
 269                                                                                                                  0 ? 0 : 3 * (resno - 1) + bandno + 1];
 270                                         gain =
 271                                                 tccp->qmfbid ==
 272                                                 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 273                                         numbps = img->comps[compno].prec + gain;
 274                                         band->stepsize =
 275                                                 (int) floor((1.0 + ss->mant / 2048.0) *
 276                                                                                                 pow(2.0, numbps - ss->expn) * 8192.0);
 277                                         band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 278
 279                                         band->precincts =
 280                                                 (tcd_precinct_t *) malloc(3 * res->pw * res->ph *
 281                                                                                                                                                         sizeof(tcd_precinct_t));
 282
 283                                         for (i = 0; i < res->pw * res->ph * 3; i++) {
 284                                                 band->precincts[i].imsbtree = NULL;
 285                                                 band->precincts[i].incltree = NULL;
 286                                         }
 287
 288                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 289                                                 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 290                                                 int cbgxstart =
 291                                                         tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 292                                                 int cbgystart =
 293                                                         tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 294                                                 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 295                                                 int cbgyend = cbgystart + (1 << cbgheightexpn);
 296                                                 /* tcd_precinct_t *prc=&band->precincts[precno]; */
 297                                                 prc = &band->precincts[precno];
 298                                                 /* precinct size (global) */
 299                                                 prc->x0 = int_max(cbgxstart, band->x0);
 300                                                 prc->y0 = int_max(cbgystart, band->y0);
 301                                                 prc->x1 = int_min(cbgxend, band->x1);
 302                                                 prc->y1 = int_min(cbgyend, band->y1);
 303
 304                                                 tlcblkxstart =
 305                                                         int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 306                                                 tlcblkystart =
 307                                                         int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 308                                                 brcblkxend =
 309                                                         int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 310                                                 brcblkyend =
 311                                                         int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 312                                                 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 313                                                 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 314
 315                                                 prc->cblks =
 316                                                         (tcd_cblk_t *) malloc((prc->cw * prc->ch) *
 317                                                                                                                                                 sizeof(tcd_cblk_t));
 318                                                 prc->incltree = tgt_create(prc->cw, prc->ch);
 319                                                 prc->imsbtree = tgt_create(prc->cw, prc->ch);
 320
 321                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 322                                                         int cblkxstart =
 323                                                                 tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 324                                                         int cblkystart =
 325                                                                 tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 326                                                         int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 327                                                         int cblkyend = cblkystart + (1 << cblkheightexpn);
 328
 329                                                         cblk = &prc->cblks[cblkno];
 330                                                         /* code-block size (global) */
 331                                                         cblk->x0 = int_max(cblkxstart, prc->x0);
 332                                                         cblk->y0 = int_max(cblkystart, prc->y0);
 333                                                         cblk->x1 = int_min(cblkxend, prc->x1);
 334                                                         cblk->y1 = int_min(cblkyend, prc->y1);
 335
 336                                                 }
 337                                         }
 338                                 }
 339                         }
 340                 }
 341         }
 342         /* tcd_dump(&tcd_image,curtileno); */
 343 }
 344
 345 void tcd_free_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno)
 346 {
 347         int tileno, compno, resno, bandno, precno;
 348         tcd_img = img;
 349         tcd_cp = cp;
 350         tcd_image.tw = cp->tw;
 351         tcd_image.th = cp->th;
 352         for (tileno = 0; tileno < 1; tileno++) {
 353                 /* j2k_tcp_t *tcp=&cp->tcps[curtileno]; */
 354                 tile = tcd_image.tiles;
 355                 for (compno = 0; compno < tile->numcomps; compno++) {
 356                         tilec = &tile->comps[compno];
 357                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 358                                 res = &tilec->resolutions[resno];
 359                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 360                                         band = &res->bands[bandno];
 361                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 362                                                 prc = &band->precincts[precno];
 363
 364                                                 if (prc->incltree != NULL)
 365                                                         tgt_destroy(prc->incltree);
 366                                                 if (prc->imsbtree != NULL)
 367                                                         tgt_destroy(prc->imsbtree);
 368                                                 free(prc->cblks);
 369                                         }                                                                                       /* for (precno */
 370                                         free(band->precincts);
 371                                 }                                                                                               /* for (bandno */
 372                         }                                                                                                       /* for (resno */
 373                         free(tilec->resolutions);
 374                 }                                                                                                               /* for (compno */
 375                 free(tile->comps);
 376         }                                                                                                                       /* for (tileno */
 377         free(tcd_image.tiles);
 378 }
 379
 380 void tcd_init_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno)
 381 {
 382         int tileno, compno, resno, bandno, precno, cblkno;
 383
 384         for (tileno = 0; tileno < 1; tileno++) {
 385                 j2k_tcp_t *tcp = &cp->tcps[curtileno];
 386                 int j;
 387                 int previous_x0, previous_x1, previous_y0, previous_y1;
 388                 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 389                 int p = curtileno % cp->tw;
 390                 int q = curtileno / cp->tw;
 391                 tile = tcd_image.tiles;
 392
 393                 /* 4 borders of the tile rescale on the image if necessary */
 394                 tile->x0 = int_max(cp->tx0 + p * cp->tdx, img->x0);
 395                 tile->y0 = int_max(cp->ty0 + q * cp->tdy, img->y0);
 396                 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, img->x1);
 397                 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, img->y1);
 398                 /* Special DWT */
 399                 if (p) {
 400                         previous_x0 = int_max(cp->tx0 + (p - 1) * cp->tdx, img->x0);
 401                         previous_x1 = int_min(cp->tx0 + p * cp->tdx, img->x1);
 402                 } else {
 403                         previous_x0 = 0;
 404                         previous_x1 = 0;
 405                 }
 406
 407                 if (q) {
 408                         previous_y0 = int_max(cp->ty0 + (q - 1) * cp->tdy, img->y0);
 409                         previous_y1 = int_min(cp->ty0 + q * cp->tdy, img->y1);
 410                 } else {
 411                         previous_y0 = 0;
 412                         previous_y1 = 0;
 413                 }
 414                 /* << DWT */
 415
 416                 tile->numcomps = img->numcomps;
 417                 /* tile->PPT=img->PPT; */
 418                 /* Modification of the RATE >> */
 419                 for (j = 0; j < tcp->numlayers; j++) {
 420                         tcp->rates[j] =
 421                                 ceil(tile->numcomps * (tile->x1 - tile->x0) *
 422                                                  (tile->y1 -
 423                                                         tile->y0) * img->comps[0].prec / (tcp->rates[j] * 8 *
 424                                                                                                                                                                                                 img->comps[0].dx *
 425                                                                                                                                                                                                 img->comps[0].dy));
 426                         if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
 427                                 tcp->rates[j] = tcp->rates[j - 1] + 20;
 428                         } else {
 429                                 if (!j && tcp->rates[j] < 30)
 430                                         tcp->rates[j] = 30;
 431                         }
 432                 }
 433                 /* << Modification of the RATE */
 434                 /* tile->comps=(tcd_tilecomp_t*)realloc(tile->comps,img->numcomps*sizeof(tcd_tilecomp_t)); */
 435                 for (compno = 0; compno < tile->numcomps; compno++) {
 436                         j2k_tccp_t *tccp = &tcp->tccps[compno];
 437                         /* int realloc_op; */
 438
 439                         tilec = &tile->comps[compno];
 440                         /* border of each tile component (global) */
 441                         tilec->x0 = int_ceildiv(tile->x0, img->comps[compno].dx);
 442                         tilec->y0 = int_ceildiv(tile->y0, img->comps[compno].dy);
 443                         tilec->x1 = int_ceildiv(tile->x1, img->comps[compno].dx);
 444                         tilec->y1 = int_ceildiv(tile->y1, img->comps[compno].dy);
 445
 446                         /* special for DWT */
 447                         if (p) {
 448                                 previous_x0 = int_ceildiv(previous_x0, img->comps[compno].dx);
 449                                 previous_x1 = int_ceildiv(previous_x1, img->comps[compno].dx);
 450
 451                                 tilec->previous_row = 1;
 452                         } else {
 453                                 previous_x0 = 0;
 454                                 previous_x1 = 0;
 455                                 tilec->previous_row = 0;
 456                         }
 457
 458                         if (q) {
 459                                 previous_y0 = int_ceildiv(previous_y0, img->comps[compno].dx);
 460                                 previous_y1 = int_ceildiv(previous_y1, img->comps[compno].dx);
 461                                 tilec->previous_col = 1;
 462                         } else {
 463                                 previous_y0 = 0;
 464                                 previous_y1 = 0;
 465                                 tilec->previous_col = 0;
 466                         }
 467                         /* << DWT */
 468                         tilec->data =
 469                                 (int *) malloc(sizeof(int) * (tilec->x1 - tilec->x0) *
 470                                                                                          (tilec->y1 - tilec->y0));
 471                         tilec->numresolutions = tccp->numresolutions;
 472                         /* tilec->resolutions=(tcd_resolution_t*)realloc(tilec->resolutions,tilec->numresolutions*sizeof(tcd_resolution_t)); */
 473                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 474                                 int pdx, pdy;
 475                                 int levelno = tilec->numresolutions - 1 - resno;
 476                                 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 477                                 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 478                                 int cbgwidthexpn, cbgheightexpn;
 479                                 int cblkwidthexpn, cblkheightexpn;
 480
 481                                 res = &tilec->resolutions[resno];
 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
 488                                 /* special for DWT */
 489                                 res->previous_x0 = int_ceildivpow2(previous_x0, levelno);
 490                                 res->previous_y0 = int_ceildivpow2(previous_y0, levelno);
 491                                 res->previous_x1 = int_ceildivpow2(previous_x1, levelno);
 492                                 res->previous_y1 = int_ceildivpow2(previous_y1, levelno);
 493
 494                                 res->numbands = resno == 0 ? 1 : 3;
 495                                 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 496                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 497                                         pdx = tccp->prcw[resno];
 498                                         pdy = tccp->prch[resno];
 499                                 } else {
 500                                         pdx = 15;
 501                                         pdy = 15;
 502                                 }
 503                                 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 504                                 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 505                                 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 506                                 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 507                                 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 508
 509                                 res->pw = (brprcxend - tlprcxstart) >> pdx;
 510                                 res->ph = (brprcyend - tlprcystart) >> pdy;
 511
 512                                 if (resno == 0) {
 513                                         tlcbgxstart = tlprcxstart;
 514                                         tlcbgystart = tlprcystart;
 515                                         brcbgxend = brprcxend;
 516                                         brcbgyend = brprcyend;
 517                                         cbgwidthexpn = pdx;
 518                                         cbgheightexpn = pdy;
 519                                 } else {
 520                                         tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 521                                         tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 522                                         brcbgxend = int_ceildivpow2(brprcxend, 1);
 523                                         brcbgyend = int_ceildivpow2(brprcyend, 1);
 524                                         cbgwidthexpn = pdx - 1;
 525                                         cbgheightexpn = pdy - 1;
 526                                 }
 527
 528                                 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 529                                 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 530
 531                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 532                                         int x0b, y0b;
 533                                         int gain, numbps;
 534                                         j2k_stepsize_t *ss;
 535                                         band = &res->bands[bandno];
 536                                         band->bandno = resno == 0 ? 0 : bandno + 1;
 537                                         x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 538                                         y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 539
 540                                         if (band->bandno == 0) {
 541                                                 /* band border */
 542                                                 band->x0 = int_ceildivpow2(tilec->x0, levelno);
 543                                                 band->y0 = int_ceildivpow2(tilec->y0, levelno);
 544                                                 band->x1 = int_ceildivpow2(tilec->x1, levelno);
 545                                                 band->y1 = int_ceildivpow2(tilec->y1, levelno);
 546                                         } else {
 547                                                 band->x0 =
 548                                                         int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b,
 549                                                                                                                         levelno + 1);
 550                                                 band->y0 =
 551                                                         int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b,
 552                                                                                                                         levelno + 1);
 553                                                 band->x1 =
 554                                                         int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b,
 555                                                                                                                         levelno + 1);
 556                                                 band->y1 =
 557                                                         int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b,
 558                                                                                                                         levelno + 1);
 559                                         }
 560
 561                                         ss =
 562                                                 &tccp->stepsizes[resno ==
 563                                                                                                                  0 ? 0 : 3 * (resno - 1) + bandno + 1];
 564                                         gain =
 565                                                 tccp->qmfbid ==
 566                                                 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 567                                         numbps = img->comps[compno].prec + gain;
 568                                         band->stepsize =
 569                                                 (int) floor((1.0 + ss->mant / 2048.0) *
 570                                                                                                 pow(2.0, numbps - ss->expn) * 8192.0);
 571                                         band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 572
 573                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 574                                                 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 575                                                 int cbgxstart =
 576                                                         tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 577                                                 int cbgystart =
 578                                                         tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 579                                                 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 580                                                 int cbgyend = cbgystart + (1 << cbgheightexpn);
 581
 582                                                 prc = &band->precincts[precno];
 583                                                 /* precinct size (global) */
 584                                                 prc->x0 = int_max(cbgxstart, band->x0);
 585                                                 prc->y0 = int_max(cbgystart, band->y0);
 586                                                 prc->x1 = int_min(cbgxend, band->x1);
 587                                                 prc->y1 = int_min(cbgyend, band->y1);
 588
 589                                                 tlcblkxstart =
 590                                                         int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 591                                                 tlcblkystart =
 592                                                         int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 593                                                 brcblkxend =
 594                                                         int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 595                                                 brcblkyend =
 596                                                         int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 597                                                 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 598                                                 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 599
 600                                                 free(prc->cblks);
 601                                                 prc->cblks =
 602                                                         (tcd_cblk_t *) malloc(prc->cw * prc->ch *
 603                                                                                                                                                 sizeof(tcd_cblk_t));
 604
 605                                                 if (prc->incltree != NULL)
 606                                                         tgt_destroy(prc->incltree);
 607                                                 if (prc->imsbtree != NULL)
 608                                                         tgt_destroy(prc->imsbtree);
 609
 610                                                 prc->incltree = tgt_create(prc->cw, prc->ch);
 611                                                 prc->imsbtree = tgt_create(prc->cw, prc->ch);
 612
 613                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 614                                                         int cblkxstart =
 615                                                                 tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 616                                                         int cblkystart =
 617                                                                 tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 618                                                         int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 619                                                         int cblkyend = cblkystart + (1 << cblkheightexpn);
 620                                                         cblk = &prc->cblks[cblkno];
 621
 622                                                         /* code-block size (global) */
 623                                                         cblk->x0 = int_max(cblkxstart, prc->x0);
 624                                                         cblk->y0 = int_max(cblkystart, prc->y0);
 625                                                         cblk->x1 = int_min(cblkxend, prc->x1);
 626                                                         cblk->y1 = int_min(cblkyend, prc->y1);
 627
 628                                                 }
 629                                         }
 630                                 }
 631                         }
 632                 }
 633         }
 634         /* tcd_dump(&tcd_image,0); */
 635 }
 636
 637 void tcd_init(j2k_image_t * img, j2k_cp_t * cp)
 638 {
 639         int tileno, compno, resno, bandno, precno, cblkno;
 640         tcd_img = img;
 641         tcd_cp = cp;
 642         tcd_image.tw = cp->tw;
 643         tcd_image.th = cp->th;
 644         tcd_image.tiles =
 645                 (tcd_tile_t *) malloc(cp->tw * cp->th * sizeof(tcd_tile_t));
 646         for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
 647                 j2k_tcp_t *tcp = &cp->tcps[tileno];
 648                 tcd_tile_t *tile = &tcd_image.tiles[tileno];
 649                 int previous_x0, previous_x1, previous_y0, previous_y1;
 650                 /* cfr p59 ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
 651                 int p = tileno % cp->tw;                /* si numerotation matricielle .. */
 652                 int q = tileno / cp->tw;                /* .. coordonnees de la tile (q,p) q pour ligne et p pour colonne */
 653
 654                 /* 4 borders of the tile rescale on the image if necessary */
 655                 tile->x0 = int_max(cp->tx0 + p * cp->tdx, img->x0);
 656                 tile->y0 = int_max(cp->ty0 + q * cp->tdy, img->y0);
 657                 tile->x1 = int_min(cp->tx0 + (p + 1) * cp->tdx, img->x1);
 658                 tile->y1 = int_min(cp->ty0 + (q + 1) * cp->tdy, img->y1);
 659                 /* Special DWT */
 660                 if (p) {
 661                         previous_x0 = int_max(cp->tx0 + (p - 1) * cp->tdx, img->x0);
 662                         previous_x1 = int_min(cp->tx0 + p * cp->tdx, img->x1);
 663                 } else {
 664                         previous_x0 = 0;
 665                         previous_x1 = 0;
 666                 }
 667
 668                 if (q) {
 669                         previous_y0 = int_max(cp->ty0 + (q - 1) * cp->tdy, img->y0);
 670                         previous_y1 = int_min(cp->ty0 + q * cp->tdy, img->y1);
 671                 } else {
 672                         previous_y0 = 0;
 673                         previous_y1 = 0;
 674                 }
 675                 /* << DWT */
 676
 677                 tile->numcomps = img->numcomps;
 678                 tile->comps =
 679                         (tcd_tilecomp_t *) malloc(img->numcomps * sizeof(tcd_tilecomp_t));
 680                 for (compno = 0; compno < tile->numcomps; compno++) {
 681                         j2k_tccp_t *tccp = &tcp->tccps[compno];
 682                         tcd_tilecomp_t *tilec = &tile->comps[compno];
 683                         /* border of each tile component (global) */
 684                         tilec->x0 = int_ceildiv(tile->x0, img->comps[compno].dx);
 685                         tilec->y0 = int_ceildiv(tile->y0, img->comps[compno].dy);
 686                         tilec->x1 = int_ceildiv(tile->x1, img->comps[compno].dx);
 687                         tilec->y1 = int_ceildiv(tile->y1, img->comps[compno].dy);
 688                         /* special for DWT */
 689                         if (p) {
 690                                 previous_x0 = int_ceildiv(previous_x0, img->comps[compno].dx);
 691                                 previous_x1 = int_ceildiv(previous_x1, img->comps[compno].dx);
 692
 693                                 tilec->previous_row = 1;
 694                         } else {
 695                                 previous_x0 = 0;
 696                                 previous_x1 = 0;
 697                                 tilec->previous_row = 0;
 698                         }
 699
 700                         if (q) {
 701                                 previous_y0 = int_ceildiv(previous_y0, img->comps[compno].dx);
 702                                 previous_y1 = int_ceildiv(previous_y1, img->comps[compno].dx);
 703                                 tilec->previous_col = 1;
 704                         } else {
 705                                 previous_y0 = 0;
 706                                 previous_y1 = 0;
 707                                 tilec->previous_col = 0;
 708                         }
 709                         /* << DWT */
 710                         tilec->data =
 711                                 (int *) malloc(sizeof(int) * (tilec->x1 - tilec->x0) *
 712                                                                                          (tilec->y1 - tilec->y0));
 713                         tilec->numresolutions = tccp->numresolutions;
 714                         tilec->resolutions =
 715                                 (tcd_resolution_t *) malloc(tilec->numresolutions *
 716                                                                                                                                                 sizeof(tcd_resolution_t));
 717                         for (resno = 0; resno < tilec->numresolutions; resno++) {
 718                                 int pdx, pdy;
 719                                 int levelno = tilec->numresolutions - 1 - resno;
 720                                 int tlprcxstart, tlprcystart, brprcxend, brprcyend;
 721                                 int tlcbgxstart, tlcbgystart, brcbgxend, brcbgyend;
 722                                 int cbgwidthexpn, cbgheightexpn;
 723                                 int cblkwidthexpn, cblkheightexpn;
 724                                 tcd_resolution_t *res = &tilec->resolutions[resno];
 725
 726                                 /* border for each resolution level (global) */
 727                                 res->x0 = int_ceildivpow2(tilec->x0, levelno);
 728                                 res->y0 = int_ceildivpow2(tilec->y0, levelno);
 729                                 res->x1 = int_ceildivpow2(tilec->x1, levelno);
 730                                 res->y1 = int_ceildivpow2(tilec->y1, levelno);
 731                                 /* special for DWT */
 732                                 res->previous_x0 = int_ceildivpow2(previous_x0, levelno);
 733                                 res->previous_y0 = int_ceildivpow2(previous_y0, levelno);
 734                                 res->previous_x1 = int_ceildivpow2(previous_x1, levelno);
 735                                 res->previous_y1 = int_ceildivpow2(previous_y1, levelno);
 736                                 if (!p)
 737                                         res->cas_row = 0;
 738                                 if (!q)
 739                                         res->cas_col = 0;
 740
 741                                 res->numbands = resno == 0 ? 1 : 3;
 742                                 /* p. 35, table A-23, ISO/IEC FDIS154444-1 : 2000 (18 august 2000) */
 743                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 744                                         pdx = tccp->prcw[resno];
 745                                         pdy = tccp->prch[resno];
 746                                 } else {
 747                                         pdx = 15;
 748                                         pdy = 15;
 749                                 }
 750                                 /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000)  */
 751                                 tlprcxstart = int_floordivpow2(res->x0, pdx) << pdx;
 752                                 tlprcystart = int_floordivpow2(res->y0, pdy) << pdy;
 753                                 brprcxend = int_ceildivpow2(res->x1, pdx) << pdx;
 754                                 brprcyend = int_ceildivpow2(res->y1, pdy) << pdy;
 755                                 res->pw = (brprcxend - tlprcxstart) >> pdx;
 756                                 res->ph = (brprcyend - tlprcystart) >> pdy;
 757
 758                                 if (resno == 0) {
 759                                         tlcbgxstart = tlprcxstart;
 760                                         tlcbgystart = tlprcystart;
 761                                         brcbgxend = brprcxend;
 762                                         brcbgyend = brprcyend;
 763                                         cbgwidthexpn = pdx;
 764                                         cbgheightexpn = pdy;
 765                                 } else {
 766                                         tlcbgxstart = int_ceildivpow2(tlprcxstart, 1);
 767                                         tlcbgystart = int_ceildivpow2(tlprcystart, 1);
 768                                         brcbgxend = int_ceildivpow2(brprcxend, 1);
 769                                         brcbgyend = int_ceildivpow2(brprcyend, 1);
 770                                         cbgwidthexpn = pdx - 1;
 771                                         cbgheightexpn = pdy - 1;
 772                                 }
 773
 774                                 cblkwidthexpn = int_min(tccp->cblkw, cbgwidthexpn);
 775                                 cblkheightexpn = int_min(tccp->cblkh, cbgheightexpn);
 776
 777                                 for (bandno = 0; bandno < res->numbands; bandno++) {
 778                                         int x0b, y0b;
 779                                         int gain, numbps;
 780                                         j2k_stepsize_t *ss;
 781                                         tcd_band_t *band = &res->bands[bandno];
 782                                         band->bandno = resno == 0 ? 0 : bandno + 1;
 783                                         x0b = (band->bandno == 1) || (band->bandno == 3) ? 1 : 0;
 784                                         y0b = (band->bandno == 2) || (band->bandno == 3) ? 1 : 0;
 785
 786                                         if (band->bandno == 0) {
 787                                                 /* band border (global) */
 788                                                 band->x0 = int_ceildivpow2(tilec->x0, levelno);
 789                                                 band->y0 = int_ceildivpow2(tilec->y0, levelno);
 790                                                 band->x1 = int_ceildivpow2(tilec->x1, levelno);
 791                                                 band->y1 = int_ceildivpow2(tilec->y1, levelno);
 792                                         } else {
 793                                                 /* band border (global) */
 794                                                 band->x0 =
 795                                                         int_ceildivpow2(tilec->x0 - (1 << levelno) * x0b,
 796                                                                                                                         levelno + 1);
 797                                                 band->y0 =
 798                                                         int_ceildivpow2(tilec->y0 - (1 << levelno) * y0b,
 799                                                                                                                         levelno + 1);
 800                                                 band->x1 =
 801                                                         int_ceildivpow2(tilec->x1 - (1 << levelno) * x0b,
 802                                                                                                                         levelno + 1);
 803                                                 band->y1 =
 804                                                         int_ceildivpow2(tilec->y1 - (1 << levelno) * y0b,
 805                                                                                                                         levelno + 1);
 806                                         }
 807
 808                                         ss =
 809                                                 &tccp->stepsizes[resno ==
 810                                                                                                                  0 ? 0 : 3 * (resno - 1) + bandno + 1];
 811                                         gain =
 812                                                 tccp->qmfbid ==
 813                                                 0 ? dwt_getgain_real(band->bandno) : dwt_getgain(band->bandno);
 814                                         numbps = img->comps[compno].prec + gain;
 815                                         band->stepsize =
 816                                                 (int) floor((1.0 + ss->mant / 2048.0) *
 817                                                                                                 pow(2.0, numbps - ss->expn) * 8192.0);
 818                                         band->numbps = ss->expn + tccp->numgbits - 1;   /* WHY -1 ? */
 819
 820                                         band->precincts =
 821                                                 (tcd_precinct_t *) malloc(res->pw * res->ph *
 822                                                                                                                                                         sizeof(tcd_precinct_t));
 823
 824                                         for (precno = 0; precno < res->pw * res->ph; precno++) {
 825                                                 int tlcblkxstart, tlcblkystart, brcblkxend, brcblkyend;
 826                                                 int cbgxstart =
 827                                                         tlcbgxstart + (precno % res->pw) * (1 << cbgwidthexpn);
 828                                                 int cbgystart =
 829                                                         tlcbgystart + (precno / res->pw) * (1 << cbgheightexpn);
 830                                                 int cbgxend = cbgxstart + (1 << cbgwidthexpn);
 831                                                 int cbgyend = cbgystart + (1 << cbgheightexpn);
 832                                                 tcd_precinct_t *prc = &band->precincts[precno];
 833                                                 /* precinct size (global) */
 834                                                 prc->x0 = int_max(cbgxstart, band->x0);
 835                                                 prc->y0 = int_max(cbgystart, band->y0);
 836                                                 prc->x1 = int_min(cbgxend, band->x1);
 837                                                 prc->y1 = int_min(cbgyend, band->y1);
 838
 839                                                 tlcblkxstart =
 840                                                         int_floordivpow2(prc->x0, cblkwidthexpn) << cblkwidthexpn;
 841                                                 tlcblkystart =
 842                                                         int_floordivpow2(prc->y0, cblkheightexpn) << cblkheightexpn;
 843                                                 brcblkxend =
 844                                                         int_ceildivpow2(prc->x1, cblkwidthexpn) << cblkwidthexpn;
 845                                                 brcblkyend =
 846                                                         int_ceildivpow2(prc->y1, cblkheightexpn) << cblkheightexpn;
 847                                                 prc->cw = (brcblkxend - tlcblkxstart) >> cblkwidthexpn;
 848                                                 prc->ch = (brcblkyend - tlcblkystart) >> cblkheightexpn;
 849
 850                                                 prc->cblks =
 851                                                         (tcd_cblk_t *) malloc(prc->cw * prc->ch *
 852                                                                                                                                                 sizeof(tcd_cblk_t));
 853
 854                                                 prc->incltree = tgt_create(prc->cw, prc->ch);
 855                                                 prc->imsbtree = tgt_create(prc->cw, prc->ch);
 856
 857                                                 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 858                                                         int cblkxstart =
 859                                                                 tlcblkxstart + (cblkno % prc->cw) * (1 << cblkwidthexpn);
 860                                                         int cblkystart =
 861                                                                 tlcblkystart + (cblkno / prc->cw) * (1 << cblkheightexpn);
 862                                                         int cblkxend = cblkxstart + (1 << cblkwidthexpn);
 863                                                         int cblkyend = cblkystart + (1 << cblkheightexpn);
 864                                                         tcd_cblk_t *cblk = &prc->cblks[cblkno];
 865                                                         /* code-block size (global) */
 866                                                         cblk->x0 = int_max(cblkxstart, prc->x0);
 867                                                         cblk->y0 = int_max(cblkystart, prc->y0);
 868                                                         cblk->x1 = int_min(cblkxend, prc->x1);
 869                                                         cblk->y1 = int_min(cblkyend, prc->y1);
 870                                                 }
 871                                         }
 872                                 }
 873                         }
 874                 }
 875         }
 876         /* tcd_dump(&tcd_image,0); */
 877 }
 878
 879 void tcd_makelayer_fixed(int layno, int matrice_data[2][5][3], int final)
 880 {
 881         int compno, resno, bandno, precno, cblkno;
 882         int vector[3], matrice[2][5][3];
 883         int sum_mat, i, j, k;
 884         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 885                 tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
 886                 for (i = 0; i < 2; i++) {
 887                         for (j = 0; j < 5; j++) {
 888                                 for (k = 0; k < 3; k++) {
 889                                         matrice[i][j][k] =
 890                                                 (int) (matrice_data[i][j][k] *
 891                                                                          (float) (tcd_img->comps[compno].prec / 16.0));
 892                                 }
 893                         }
 894                 }
 895                 for (resno = 0; resno < tilec->numresolutions; resno++) {
 896                         tcd_resolution_t *res = &tilec->resolutions[resno];
 897                         for (bandno = 0; bandno < res->numbands; bandno++) {
 898                                 tcd_band_t *band = &res->bands[bandno];
 899                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
 900                                         tcd_precinct_t *prc = &band->precincts[precno];
 901                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
 902                                                 tcd_cblk_t *cblk = &prc->cblks[cblkno];
 903                                                 tcd_layer_t *layer = &cblk->layers[layno];
 904                                                 int i, n;
 905                                                 int imsb = tcd_img->comps[compno].prec - cblk->numbps;  /* number of bit-plan equal to zero */
 906                                                 /* Correction of the matrix of coefficient to include the IMSB information */
 907                                                 sum_mat = 0;
 908
 909                                                 for (i = 0; i < layno + 1; i++) {
 910                                                         int mat_old;
 911                                                         if (i != tcd_tcp->numlayers) {  /* -1  must add to have a lossless last quality layer */
 912                                                                 /* different quality (layer) */
 913                                                                 vector[bandno] = matrice[i][resno][bandno];
 914                                                                 sum_mat += vector[bandno];
 915                                                         } else {
 916                                                                 /* Full quality (layer) */
 917                                                                 vector[bandno] = tcd_img->comps[compno].prec - sum_mat;
 918                                                         }
 919
 920                                                         mat_old = vector[bandno];
 921                                                         if (imsb > 0) {
 922                                                                 if (imsb >= vector[bandno]) {
 923                                                                         vector[bandno] = 0;
 924                                                                 } else {
 925                                                                         vector[bandno] -= imsb;
 926                                                                 }
 927                                                                 imsb -= mat_old;
 928                                                         }
 929                                                 }
 930                                                 if (layno == 0) {
 931                                                         cblk->numpassesinlayers = 0;
 932                                                 }
 933                                                 n = cblk->numpassesinlayers;
 934                                                 if (cblk->numpassesinlayers == 0) {
 935                                                         if (vector[bandno] != 0) {
 936                                                                 n = 3 * vector[bandno] - 2 + cblk->numpassesinlayers;
 937                                                         } else {
 938                                                                 n = cblk->numpassesinlayers;
 939                                                         }
 940
 941                                                 } else {
 942                                                         n = 3 * vector[bandno] + cblk->numpassesinlayers;
 943                                                 }
 944
 945                                                 layer->numpasses = n - cblk->numpassesinlayers;
 946
 947                                                 if (!layer->numpasses) {
 948                                                         continue;
 949                                                 }
 950                                                 if (cblk->numpassesinlayers == 0) {
 951                                                         layer->len = cblk->passes[n - 1].rate;
 952                                                         layer->data = cblk->data;
 953                                                 } else {
 954                                                         layer->len =
 955                                                                 cblk->passes[n - 1].rate -
 956                                                                 cblk->passes[cblk->numpassesinlayers - 1].rate;
 957                                                         layer->data =
 958                                                                 cblk->data + cblk->passes[cblk->numpassesinlayers -
 959                                                                                                                                                                         1].rate;
 960                                                 }
 961                                                 if (final) {
 962                                                         cblk->numpassesinlayers = n;
 963                                                 }
 964                                         }
 965                                 }
 966                         }
 967                 }
 968         }
 969
 970 }
 971
 972 void tcd_rateallocate_fixed(unsigned char *dest, int len,
 973                                                                                                                 info_image * info_IM)
 974 {
 975         int layno;
 976         int matrice[2][5][3] = { {{16, 0, 0},
 977                                                                                                                 {16, 16, 16},
 978                                                                                                                 {16, 16, 16},
 979                                                                                                                 {0, 0, 0},
 980                                                                                                                 {0, 0, 0}},
 981
 982         {{1, 0, 0},
 983          {1, 1, 1},
 984          {1, 1, 1},
 985          {1, 1, 1},
 986          {0, 0, 0}}
 987         };
 988
 989         for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
 990                 tcd_makelayer_fixed(layno, matrice, 1);
 991         }
 992 }
 993
 994 void tcd_makelayer(int layno, double thresh, int final)
 995 {
 996         int compno, resno, bandno, precno, cblkno, passno;
 997         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
 998                 tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
 999                 for (resno = 0; resno < tilec->numresolutions; resno++) {
1000                         tcd_resolution_t *res = &tilec->resolutions[resno];
1001                         for (bandno = 0; bandno < res->numbands; bandno++) {
1002                                 tcd_band_t *band = &res->bands[bandno];
1003                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
1004                                         tcd_precinct_t *prc = &band->precincts[precno];
1005                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
1006                                                 tcd_cblk_t *cblk = &prc->cblks[cblkno];
1007                                                 tcd_layer_t *layer = &cblk->layers[layno];
1008                                                 int n;
1009
1010                                                 if (layno == 0) {
1011                                                         cblk->numpassesinlayers = 0;
1012                                                 }
1013                                                 n = cblk->numpassesinlayers;
1014                                                 for (passno = cblk->numpassesinlayers;
1015                                                                  passno < cblk->totalpasses; passno++) {
1016                                                         int dr;
1017                                                         double dd;
1018                                                         tcd_pass_t *pass = &cblk->passes[passno];
1019                                                         if (n == 0) {
1020                                                                 dr = pass->rate;
1021                                                                 dd = pass->distortiondec;
1022                                                         } else {
1023                                                                 dr = pass->rate - cblk->passes[n - 1].rate;
1024                                                                 dd =
1025                                                                         pass->distortiondec - cblk->passes[n - 1].distortiondec;
1026                                                         }
1027                                                         if (dr == 0) {
1028                                                                 if (dd != 0)
1029                                                                         n = passno + 1;
1030                                                                 continue;
1031                                                         }
1032                                                         if (dd / dr > thresh)
1033                                                                 n = passno + 1;
1034                                                 }
1035                                                 layer->numpasses = n - cblk->numpassesinlayers;
1036                                                 if (!layer->numpasses)
1037                                                         continue;
1038                                                 if (cblk->numpassesinlayers == 0) {
1039                                                         layer->len = cblk->passes[n - 1].rate;
1040                                                         layer->data = cblk->data;
1041                                                         layer->disto = cblk->passes[n - 1].distortiondec;
1042                                                 } else {
1043                                                         layer->len =
1044                                                                 cblk->passes[n - 1].rate -
1045                                                                 cblk->passes[cblk->numpassesinlayers - 1].rate;
1046                                                         layer->data =
1047                                                                 cblk->data + cblk->passes[cblk->numpassesinlayers -
1048                                                                                                                                                                         1].rate;
1049                                                         layer->disto =
1050                                                                 cblk->passes[n - 1].distortiondec -
1051                                                                 cblk->passes[cblk->numpassesinlayers - 1].distortiondec;
1052                                                 }
1053
1054                                                 if (final)
1055                                                         cblk->numpassesinlayers = n;
1056                                         }
1057                                 }
1058                         }
1059                 }
1060         }
1061 }
1062
1063 void tcd_rateallocate(unsigned char *dest, int len, info_image * info_IM)
1064 {
1065         int compno, resno, bandno, precno, cblkno, passno, layno;
1066         double min, max;
1067         min = DBL_MAX;
1068         max = 0;
1069
1070         for (compno = 0; compno < tcd_tile->numcomps; compno++) {
1071                 tcd_tilecomp_t *tilec = &tcd_tile->comps[compno];
1072                 for (resno = 0; resno < tilec->numresolutions; resno++) {
1073                         tcd_resolution_t *res = &tilec->resolutions[resno];
1074                         for (bandno = 0; bandno < res->numbands; bandno++) {
1075                                 tcd_band_t *band = &res->bands[bandno];
1076                                 for (precno = 0; precno < res->pw * res->ph; precno++) {
1077                                         tcd_precinct_t *prc = &band->precincts[precno];
1078                                         for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
1079                                                 tcd_cblk_t *cblk = &prc->cblks[cblkno];
1080                                                 for (passno = 0; passno < cblk->totalpasses; passno++) {
1081                                                         tcd_pass_t *pass = &cblk->passes[passno];
1082                                                         int dr;
1083                                                         double dd, rdslope;
1084                                                         if (passno == 0) {
1085                                                                 dr = pass->rate;
1086                                                                 dd = pass->distortiondec;
1087                                                         } else {
1088                                                                 dr = pass->rate - cblk->passes[passno - 1].rate;
1089                                                                 dd =
1090                                                                         pass->distortiondec - cblk->passes[passno -
1091                                                                                                                                                                                                                  1].distortiondec;
1092                                                         }
1093                                                         if (dr == 0) {
1094                                                                 continue;
1095                                                         }
1096                                                         rdslope = dd / dr;
1097                                                         if (rdslope < min) {
1098                                                                 min = rdslope;
1099                                                         }
1100                                                         if (rdslope > max) {
1101                                                                 max = rdslope;
1102                                                         }
1103                                                 }                                                                               /* passno */
1104                                         }                                                                                       /* cbklno */
1105                                 }                                                                                               /* precno */
1106                         }                                                                                                       /* bandno */
1107                 }                                                                                                               /* resno */
1108         }                                                                                                                       /* compno */
1109
1110         for (layno = 0; layno < tcd_tcp->numlayers; layno++) {
1111                 volatile double lo = min;
1112                 volatile double hi = max;
1113                 volatile int success = 0;
1114                 volatile int maxlen = int_min(tcd_tcp->rates[layno], len);
1115                 volatile double goodthresh;
1116                 volatile int goodlen;
1117                 volatile int i;
1118
1119                 for (i = 0; i < 32; i++) {
1120                         volatile double thresh = (lo + hi) / 2;
1121                         int l;
1122
1123                         tcd_makelayer(layno, thresh, 0);
1124
1125                         l =
1126                                 t2_encode_packets(tcd_img, tcd_cp, tcd_tileno, tcd_tile, layno + 1,
1127                                                                                                         dest, maxlen, info_IM);
1128                         /* fprintf(stderr, "rate alloc: len=%d, max=%d\n", l, maxlen); */
1129                         if (l == -999) {
1130                                 lo = thresh;
1131                                 continue;
1132                         }
1133
1134                         hi = thresh;
1135                         success = 1;
1136                         goodthresh = thresh;
1137                         goodlen = l;
1138                 }
1139
1140                 if (!success) {
1141                         longjmp(j2k_error, 1);
1142                 }
1143                 tcd_makelayer(layno, goodthresh, 1);
1144         }
1145 }
1146
1147 int tcd_encode_tile_pxm(int tileno, unsigned char *dest, int len,
1148                                                                                                 info_image * info_IM)
1149 {
1150         int compno;
1151         int l;
1152         clock_t time7;                                                          /* , time2, time3, time4, time5, time6, time1; */
1153         tcd_tile_t *tile;
1154         j2k_tcp_t *tcp = &tcd_cp->tcps[0];
1155         j2k_tccp_t *tccp = &tcp->tccps[0];
1156
1157         tcd_tileno = tileno;
1158         tcd_tile = tcd_image.tiles;
1159         tcd_tcp = &tcd_cp->tcps[tileno];
1160         tile = tcd_tile;
1161         /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
1162         if (info_IM->index_on) {
1163                 tcd_tilecomp_t *tilec_idx = &tile->comps[0];    /* old parser version */
1164                 tcd_resolution_t *res_idx = &tilec_idx->resolutions[0]; /* old parser version */
1165
1166                 info_IM->tile[tileno].pw = res_idx->pw;
1167                 info_IM->tile[tileno].ph = res_idx->ph;
1168
1169                 info_IM->pw = res_idx->pw;      /* old parser version */
1170                 info_IM->ph = res_idx->ph;      /* old parser version */
1171                 info_IM->pdx = 1 << tccp->prcw[tccp->numresolutions - 1];
1172                 info_IM->pdy = 1 << tccp->prch[tccp->numresolutions - 1];
1173         }
1174         /* << INDEX */
1175
1176 /*---------------TILE-------------------*/
1177
1178         time7 = clock();
1179         /* time1=clock(); */
1180
1181         for (compno = 0; compno < tile->numcomps; compno++) {
1182                 FILE *src;
1183                 char tmp[256];
1184                 int k;
1185                 unsigned char elmt;
1186                 int i, j;
1187                 int tw, w;
1188                 tcd_tilecomp_t *tilec = &tile->comps[compno];
1189                 int adjust =
1190                         tcd_img->comps[compno].sgnd ? 0 : 1 << (tcd_img->comps[compno].prec -
1191                                                                                                                                                                                         1);
1192                 int offset_x, offset_y;
1193
1194                 offset_x = int_ceildiv(tcd_img->x0, tcd_img->comps[compno].dx);
1195                 offset_y = int_ceildiv(tcd_img->y0, tcd_img->comps[compno].dy);
1196                 tw = tilec->x1 - tilec->x0;
1197                 w = int_ceildiv(tcd_img->x1 - tcd_img->x0, tcd_img->comps[compno].dx);
1198                 sprintf(tmp, "Compo%d", compno);        /* component file */
1199                 src = fopen(tmp, "rb");
1200                 if (!src) {
1201                         fprintf(stderr, "failed to open %s for reading\n", tmp);
1202                         return 1;
1203                 }
1204
1205                 /* read the Compo file to extract data of the tile */
1206                 k = 0;
1207                 fseek(src, (tilec->x0 - offset_x) + (tilec->y0 - offset_y) * w,
1208                                         SEEK_SET);
1209                 k = (tilec->x0 - offset_x) + (tilec->y0 - offset_y) * w;
1210                 for (j = tilec->y0; j < tilec->y1; j++) {
1211                         for (i = tilec->x0; i < tilec->x1; i++) {
1212                                 if (tcd_tcp->tccps[compno].qmfbid == 1) {
1213                                         elmt = fgetc(src);
1214                                         tilec->data[i - tilec->x0 + (j - tilec->y0) * tw] =
1215                                                 elmt - adjust;
1216                                         k++;
1217                                 } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1218                                         elmt = fgetc(src);
1219                                         tilec->data[i - tilec->x0 + (j - tilec->y0) * tw] =
1220                                                 (elmt - adjust) << 13;
1221                                         k++;
1222                                 }
1223                         }
1224                         fseek(src, (tilec->x0 - offset_x) + (j + 1 - offset_y) * w - k,
1225                                                 SEEK_CUR);
1226                         k = tilec->x0 - offset_x + (j + 1 - offset_y) * w;
1227
1228                 }
1229                 fclose(src);
1230         }
1231
1232         /* time1=clock()-time1;   */
1233         /* printf("tile encoding times:\n"); */
1234         /* printf("img->tile: %d.%.3d s\n", time1/CLOCKS_PER_SEC, (time1%CLOCKS_PER_SEC)*1000/CLOCKS_PER_SEC); */
1235
1236 /*----------------MCT-------------------*/
1237
1238         /* time2=clock(); */
1239         if (tcd_tcp->mct) {
1240                 if (tcd_tcp->tccps[0].qmfbid == 0) {
1241                         mct_encode_real(tile->comps[0].data, tile->comps[1].data,
1242                                                                                         tile->comps[2].data,
1243                                                                                         (tile->comps[0].x1 -
1244                                                                                          tile->comps[0].x0) * (tile->comps[0].y1 -
1245                                                                                                                                                                                  tile->comps[0].y0));
1246                 } else {
1247                         mct_encode(tile->comps[0].data, tile->comps[1].data,
1248                                                                  tile->comps[2].data,
1249                                                                  (tile->comps[0].x1 -
1250                                                                         tile->comps[0].x0) * (tile->comps[0].y1 -
1251                                                                                                                                                                 tile->comps[0].y0));
1252                 }
1253         }
1254         /* time2=clock()-time2;    */
1255         /* printf("mct:       %ld.%.3ld s\n", time2/CLOCKS_PER_SEC, (time2%CLOCKS_PER_SEC)*1000/CLOCKS_PER_SEC); */
1256
1257 /*----------------DWT---------------------*/
1258
1259         /* time3=clock(); */
1260         for (compno = 0; compno < tile->numcomps; compno++) {
1261                 tcd_tilecomp_t *tilec = &tile->comps[compno];
1262                 if (tcd_tcp->tccps[compno].qmfbid == 1) {
1263                         dwt_encode(tilec->data, tilec->x1 - tilec->x0, tilec->y1 - tilec->y0,
1264                                                                  tilec, tilec->numresolutions - 1);
1265                 } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1266                         dwt_encode_real(tilec->data, tilec->x1 - tilec->x0,
1267                                                                                         tilec->y1 - tilec->y0, tilec,
1268                                                                                         tilec->numresolutions - 1);
1269                 }
1270         }
1271         /* time3=clock()-time3; */
1272         /* printf("dwt:       %ld.%.3ld s\n", time3/CLOCKS_PER_SEC, (time3%CLOCKS_PER_SEC)*1000/CLOCKS_PER_SEC); */
1273
1274 /*------------------TIER1-----------------*/
1275
1276         /* time4=clock(); */
1277         t1_init_luts();
1278         t1_encode_cblks(tile, tcd_tcp);
1279         /* time4=clock()-time4; */
1280         /* printf("tier 1:    %ld.%.3ld s\n", time4/CLOCKS_PER_SEC, (time4%CLOCKS_PER_SEC)*1000/CLOCKS_PER_SEC); */
1281
1282 /*-----------RATE-ALLOCATE------------------*/
1283
1284         info_IM->index_write = 0;                       /* INDEX     */
1285         /* time5=clock(); */
1286         if (tcd_cp->disto_alloc)
1287                 /* Normal Rate/distortion allocation */
1288                 tcd_rateallocate(dest, len, info_IM);
1289         else
1290                 /* Fixed layer allocation */
1291                 tcd_rateallocate_fixed(dest, len, info_IM);
1292
1293         /* time5=clock()-time5; */
1294         /* printf("ratealloc: %ld.%.3ld s\n", time5/CLOCKS_PER_SEC, (time5%CLOCKS_PER_SEC)*1000/CLOCKS_PER_SEC); */
1295
1296 /*--------------TIER2------------------*/
1297
1298         info_IM->index_write = 1;                       /* INDEX     */
1299         /* time6=clock(); */
1300         l =
1301                 t2_encode_packets(tcd_img, tcd_cp, tileno, tile, tcd_tcp->numlayers,
1302                                                                                         dest, len, info_IM);
1303         /* time6=clock()-time6; */
1304         /* printf("tier 2:    %ld.%.3ld s\n", time6/CLOCKS_PER_SEC, (time6%CLOCKS_PER_SEC)*1000/CLOCKS_PER_SEC); */
1305
1306 /*---------------CLEAN-------------------*/
1307
1308         time7 = clock() - time7;
1309         printf("total:     %ld.%.3ld s\n", time7 / CLOCKS_PER_SEC,
1310                                  (time7 % CLOCKS_PER_SEC) * 1000 / CLOCKS_PER_SEC);
1311
1312         /* cleaning memory */
1313         for (compno = 0; compno < tile->numcomps; compno++) {
1314                 tilec = &tile->comps[compno];
1315                 free(tilec->data);
1316         }
1317
1318         return l;
1319 }
1320
1321 int tcd_encode_tile_pgx(int tileno, unsigned char *dest, int len,
1322                                                                                                 info_image * info_IM)
1323 {
1324         int compno;
1325         int l;
1326         clock_t time7;                                                          /* , time2, time3, time4, time5, time6, time1; */
1327         tcd_tile_t *tile;
1328         j2k_tcp_t *tcp = &tcd_cp->tcps[0];
1329         j2k_tccp_t *tccp = &tcp->tccps[0];
1330
1331         tcd_tileno = tileno;
1332         tcd_tile = tcd_image.tiles;
1333         tcd_tcp = &tcd_cp->tcps[tileno];
1334         tile = tcd_tile;
1335         /* INDEX >> "Precinct_nb_X et Precinct_nb_Y" */
1336         if (info_IM->index_on) {
1337                 tcd_tilecomp_t *tilec_idx = &tile->comps[0];
1338                 tcd_resolution_t *res_idx = &tilec_idx->resolutions[0];
1339                 info_IM->tile[tileno].pw = res_idx->pw;
1340                 info_IM->tile[tileno].ph = res_idx->ph;
1341                 info_IM->pw = res_idx->pw;      /* old parser version */
1342                 info_IM->ph = res_idx->ph;      /* old parser version */
1343                 info_IM->pdx = 1 << tccp->prcw[tccp->numresolutions - 1];
1344                 info_IM->pdy = 1 << tccp->prch[tccp->numresolutions - 1];
1345         }
1346         /* << INDEX */
1347 /*---------------TILE-------------------*/
1348         time7 = clock();
1349         /* time1=clock(); */
1350         for (compno = 0; compno < tile->numcomps; compno++) {
1351                 FILE *src;
1352                 char tmp[256];
1353                 int k;
1354                 int elmt;
1355                 int i, j;
1356                 int tw, w;
1357                 tcd_tilecomp_t *tilec = &tile->comps[compno];
1358                 int adjust =
1359                         tcd_img->comps[compno].sgnd ? 0 : 1 << (tcd_img->comps[compno].prec -
1360                                                                                                                                                                                         1);
1361                 int offset_x, offset_y;
1362
1363                 offset_x = int_ceildiv(tcd_img->x0, tcd_img->comps[compno].dx);
1364                 offset_y = int_ceildiv(tcd_img->y0, tcd_img->comps[compno].dy);
1365                 tw = tilec->x1 - tilec->x0;
1366                 w = int_ceildiv(tcd_img->x1 - tcd_img->x0, tcd_img->comps[compno].dx);
1367                 sprintf(tmp, "bandtile%d", tileno / tcd_cp->tw + 1);    /* bandtile file opening */
1368                 src = fopen(tmp, "rb");
1369                 if (!src) {
1370                         fprintf(stderr, "failed to open %s for reading\n", tmp);
1371                         return 1;
1372                 }
1373                 /* Extract data from bandtile file limited to the current tile */
1374                 k = 0;
1375                 while (k < tilec->x0 - offset_x) {
1376                         k++;
1377                         fscanf(src, "%d", &elmt);
1378                 }
1379
1380                 for (j = 0; j < tilec->y1 - tilec->y0; j++) {
1381                         for (i = tilec->x0; i < tilec->x1; i++) {
1382                                 if (tcd_tcp->tccps[compno].qmfbid == 1) {
1383                                         fscanf(src, "%d", &elmt);
1384                                         tilec->data[i - tilec->x0 + (j) * tw] = elmt - adjust;
1385                                         k++;
1386                                 } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1387                                         fscanf(src, "%d", &elmt);
1388                                         tilec->data[i - tilec->x0 + (j) * tw] = (elmt - adjust) << 13;
1389                                         k++;
1390                                 }
1391                         }
1392                         while (k < tilec->x0 - offset_x + (j + 1) * w) {
1393                                 k++;
1394                                 fscanf(src, "%d", &elmt);
1395                         }
1396                 }
1397                 fclose(src);
1398         }
1399
1400         /* time1=clock()-time1;   */
1401         /* printf("tile encoding times:\n"); */
1402         /* printf("img->tile: %d.%.3d s\n", time1/CLOCKS_PER_SEC, (time1%CLOCKS_PER_SEC)*1000/CLOCKS_PER_SEC); */
1403 /*----------------MCT-------------------*/
1404         /* time2=clock(); */
1405         if (tcd_tcp->mct) {
1406                 if (tcd_tcp->tccps[0].qmfbid == 0) {
1407                         mct_encode_real(tile->comps[0].data, tile->comps[1].data,
1408                                                                                         tile->comps[2].data,
1409                                                                                         (tile->comps[0].x1 -
1410                                                                                          tile->comps[0].x0) * (tile->comps[0].y1 -
1411                                                                                                                                                                                  tile->comps[0].y0));
1412                 } else {
1413                         mct_encode(tile->comps[0].data, tile->comps[1].data,
1414                                                                  tile->comps[2].data,
1415                                                                  (tile->comps[0].x1 -
1416                                                                         tile->comps[0].x0) * (tile->comps[0].y1 -
1417                                                                                                                                                                 tile->comps[0].y0));
1418                 }
1419         }
1420
1421         /* time2=clock()-time2;    */
1422         /* printf("mct:       %d.%.3d s\n", time2/CLOCKS_PER_SEC, (time2%CLOCKS_PER_SEC)*1000/CLOCKS_PER_SEC); */
1423
1424 /*----------------DWT---------------------*/
1425         /* time3=clock(); */
1426         for (compno = 0; compno < tile->numcomps; compno++) {
1427                 tcd_tilecomp_t *tilec = &tile->comps[compno];
1428                 if (tcd_tcp->tccps[compno].qmfbid == 1) {
1429                         dwt_encode(tilec->data, tilec->x1 - tilec->x0, tilec->y1 - tilec->y0,
1430                                                                  tilec, tilec->numresolutions - 1);
1431                 } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1432                         dwt_encode_real(tilec->data, tilec->x1 - tilec->x0,
1433                                                                                         tilec->y1 - tilec->y0, tilec,
1434                                                                                         tilec->numresolutions - 1);
1435                 }
1436         }
1437         /* time3=clock()-time3; */
1438         /* printf("dwt:       %d.%.3d s\n", time3/CLOCKS_PER_SEC, (time3%CLOCKS_PER_SEC)*1000/CLOCKS_PER_SEC); */
1439
1440 /*------------------TIER1-----------------*/
1441         /* time4=clock(); */
1442         t1_init_luts();
1443         t1_encode_cblks(tile, tcd_tcp);
1444         /* time4=clock()-time4; */
1445         /* printf("tier 1:    %d.%.3d s\n", time4/CLOCKS_PER_SEC, (time4%CLOCKS_PER_SEC)*1000/CLOCKS_PER_SEC); */
1446
1447 /*-----------RATE-ALLOCATE------------------*/
1448         info_IM->index_write = 0;                       /* INDEX */
1449
1450         /* time5=clock(); */
1451         tcd_rateallocate(dest, len, info_IM);
1452         /* time5=clock()-time5; */
1453         /* printf("ratealloc: %d.%.3d s\n", time5/CLOCKS_PER_SEC, (time5%CLOCKS_PER_SEC)*1000/CLOCKS_PER_SEC); */
1454
1455 /*--------------TIER2------------------*/
1456         info_IM->index_write = 1;                       /* INDEX */
1457
1458         /* time6=clock(); */
1459         l =
1460                 t2_encode_packets(tcd_img, tcd_cp, tileno, tile, tcd_tcp->numlayers,
1461                                                                                         dest, len, info_IM);
1462         /* time6=clock()-time6; */
1463         /* printf("tier 2:    %d.%.3d s\n", time6/CLOCKS_PER_SEC, (time6%CLOCKS_PER_SEC)*1000/CLOCKS_PER_SEC); */
1464
1465  /*---------------CLEAN-------------------*/
1466         time7 = clock() - time7;
1467         printf("total:     %ld.%.3ld s\n", time7 / CLOCKS_PER_SEC,
1468                                  (time7 % CLOCKS_PER_SEC) * 1000 / CLOCKS_PER_SEC);
1469
1470         for (compno = 0; compno < tile->numcomps; compno++) {
1471                 tilec = &tile->comps[compno];
1472                 free(tilec->data);
1473         }
1474
1475         return l;
1476 }
1477
1478
1479 int tcd_decode_tile(unsigned char *src, int len, int tileno)
1480 {
1481         int l;
1482         int compno;
1483         int eof = 0;
1484         clock_t time1, time2, time3, time4, time5, time6;
1485
1486         tcd_tile_t *tile;
1487         tcd_tileno = tileno;
1488         tcd_tile = &tcd_image.tiles[tileno];
1489         tcd_tcp = &tcd_cp->tcps[tileno];
1490         tile = tcd_tile;
1491
1492         time6 = clock();
1493
1494         time1 = clock();
1495
1496         l = t2_decode_packets(src, len, tcd_img, tcd_cp, tileno, tile);
1497         if (l == -999) {
1498                 eof = 1;
1499                 fprintf(stderr, "tcd_decode: incomplete bistream\n");
1500         }
1501         time1 = clock() - time1;
1502         printf("tile decoding time %d/%d:\n", tileno + 1,
1503                                  tcd_cp->tw * tcd_cp->th);
1504         /* printf("tier 2:    %ld.%.3ld s\n", time1/CLOCKS_PER_SEC, (time1%CLOCKS_PER_SEC)*1000/CLOCKS_PER_SEC);    */
1505
1506         time2 = clock();
1507         t1_init_luts();
1508         t1_decode_cblks(tile, tcd_tcp);
1509         time2 = clock() - time2;
1510         /* printf("tier 1:    %ld.%.3ld s\n", time2/CLOCKS_PER_SEC, (time2%CLOCKS_PER_SEC)*1000/CLOCKS_PER_SEC); */
1511
1512         time3 = clock();
1513         for (compno = 0; compno < tile->numcomps; compno++) {
1514                 tcd_tilecomp_t *tilec = &tile->comps[compno];
1515                 if (tcd_tcp->tccps[compno].qmfbid == 1) {
1516                         if (tileno % tcd_cp->tw) {
1517                                 tcd_tile_t *tile_row = &tcd_image.tiles[tileno - 1];
1518                                 tcd_tilecomp_t *tilec_row = &tile_row->comps[compno];
1519                                 if (tileno / tcd_cp->tw) {
1520                                         tcd_tile_t *tile_col = &tcd_image.tiles[tileno - 1];
1521                                         tcd_tilecomp_t *tilec_col = &tile_col->comps[compno];
1522                                         dwt_decode(tilec->data, tilec->x1 - tilec->x0,
1523                                                                                  tilec->y1 - tilec->y0, tilec,
1524                                                                                  tilec->numresolutions - 1, tilec_row, tilec_col);
1525                                 } else
1526                                         dwt_decode(tilec->data, tilec->x1 - tilec->x0,
1527                                                                                  tilec->y1 - tilec->y0, tilec,
1528                                                                                  tilec->numresolutions - 1, tilec_row, tilec);
1529                         } else {
1530                                 if (tileno / tcd_cp->tw) {
1531                                         tcd_tile_t *tile_col = &tcd_image.tiles[tileno - 1];
1532                                         tcd_tilecomp_t *tilec_col = &tile_col->comps[compno];
1533                                         dwt_decode(tilec->data, tilec->x1 - tilec->x0,
1534                                                                                  tilec->y1 - tilec->y0, tilec,
1535                                                                                  tilec->numresolutions - 1, tilec, tilec_col);
1536                                 } else
1537                                         dwt_decode(tilec->data, tilec->x1 - tilec->x0,
1538                                                                                  tilec->y1 - tilec->y0, tilec,
1539                                                                                  tilec->numresolutions - 1, tilec, tilec);
1540                         }
1541                 } else if (tcd_tcp->tccps[compno].qmfbid == 0) {
1542                         if (tileno % tcd_cp->tw) {
1543                                 tcd_tile_t *tile_row = &tcd_image.tiles[tileno - 1];
1544                                 tcd_tilecomp_t *tilec_row = &tile_row->comps[compno];
1545                                 if (tileno / tcd_cp->tw) {
1546                                         tcd_tile_t *tile_col = &tcd_image.tiles[tileno - 1];
1547                                         tcd_tilecomp_t *tilec_col = &tile_col->comps[compno];
1548                                         dwt_decode_real(tilec->data, tilec->x1 - tilec->x0,
1549                                                                                                         tilec->y1 - tilec->y0, tilec,
1550                                                                                                         tilec->numresolutions - 1, tilec_row, tilec_col);
1551                                 } else
1552                                         dwt_decode_real(tilec->data, tilec->x1 - tilec->x0,
1553                                                                                                         tilec->y1 - tilec->y0, tilec,
1554                                                                                                         tilec->numresolutions - 1, tilec_row, tilec);
1555                         } else {
1556                                 if (tileno / tcd_cp->tw) {
1557                                         tcd_tile_t *tile_col = &tcd_image.tiles[tileno - 1];
1558                                         tcd_tilecomp_t *tilec_col = &tile_col->comps[compno];
1559                                         dwt_decode_real(tilec->data, tilec->x1 - tilec->x0,
1560                                                                                                         tilec->y1 - tilec->y0, tilec,
1561                                                                                                         tilec->numresolutions - 1, tilec, tilec_col);
1562                                 } else
1563                                         dwt_decode_real(tilec->data, tilec->x1 - tilec->x0,
1564                                                                                                         tilec->y1 - tilec->y0, tilec,
1565                                                                                                         tilec->numresolutions - 1, tilec, tilec);
1566                         }
1567                 }
1568         }
1569         time3 = clock() - time3;
1570         /* printf("dwt:       %ld.%.3ld s\n", time3/CLOCKS_PER_SEC, (time3%CLOCKS_PER_SEC)*1000/CLOCKS_PER_SEC); */
1571
1572         time4 = clock();
1573         if (tcd_tcp->mct) {
1574                 if (tcd_tcp->tccps[0].qmfbid == 0) {
1575                         mct_decode_real(tile->comps[0].data, tile->comps[1].data,
1576                                                                                         tile->comps[2].data,
1577                                                                                         (tile->comps[0].x1 -
1578                                                                                          tile->comps[0].x0) * (tile->comps[0].y1 -
1579                                                                                                                                                                                  tile->comps[0].y0));
1580                 } else {
1581                         mct_decode(tile->comps[0].data, tile->comps[1].data,
1582                                                                  tile->comps[2].data,
1583                                                                  (tile->comps[0].x1 -
1584                                                                         tile->comps[0].x0) * (tile->comps[0].y1 -
1585                                                                                                                                                                 tile->comps[0].y0));
1586                 }
1587         }
1588         time4 = clock() - time4;
1589         /* printf("mct:       %ld.%.3ld s\n", time4/CLOCKS_PER_SEC, (time4%CLOCKS_PER_SEC)*1000/CLOCKS_PER_SEC); */
1590
1591         time5 = clock();
1592         for (compno = 0; compno < tile->numcomps; compno++) {
1593                 tcd_tilecomp_t *tilec = &tile->comps[compno];
1594                 int adjust =
1595                         tcd_img->comps[compno].sgnd ? 0 : 1 << (tcd_img->comps[compno].prec -
1596                                                                                                                                                                                         1);
1597                 int min =
1598                         tcd_img->comps[compno].
1599                         sgnd ? -(1 << (tcd_img->comps[compno].prec - 1)) : 0;
1600                 int max =
1601                         tcd_img->comps[compno].
1602                         sgnd ? (1 << (tcd_img->comps[compno].prec - 1)) - 1
1603                                          : (1 << tcd_img->comps[compno].prec) - 1;
1604                 int tw = tilec->x1 - tilec->x0;
1605                 int w =
1606                         int_ceildiv(tcd_img->x1 - tcd_img->x0, tcd_img->comps[compno].dx);
1607                 int i, j;
1608                 int offset_x = int_ceildiv(tcd_img->x0, tcd_img->comps[compno].dx);
1609                 int offset_y = int_ceildiv(tcd_img->y0, tcd_img->comps[compno].dy);
1610
1611                 for (j = tilec->y0; j < tilec->y1; j++) {
1612                         for (i = tilec->x0; i < tilec->x1; i++) {
1613                                 int v;
1614                                 if (tcd_tcp->tccps[compno].qmfbid == 1) {
1615                                         v = tilec->data[i - tilec->x0 + (j - tilec->y0) * tw];
1616                                 } else {  /* if (tcd_tcp->tccps[compno].qmfbid == 0) */
1617                                         v = tilec->data[i - tilec->x0 + (j - tilec->y0) * tw] >> 13;
1618                                 }
1619                                 v += adjust;
1620                                 /* tcd_img->comps[compno].data[i+j*w]=int_clamp(v, min, max); */
1621                                 tcd_img->comps[compno].data[(i - offset_x) + (j - offset_y) * w] = int_clamp(v, min, max);      /* change ! */
1622                         }
1623                 }
1624         }
1625         time5 = clock() - time5;
1626         /* printf("tile->img: %ld.%.3ld s\n", time5/CLOCKS_PER_SEC, (time5%CLOCKS_PER_SEC)*1000/CLOCKS_PER_SEC); */
1627
1628         time6 = clock() - time6;
1629         printf("total:     %ld.%.3ld s\n\n", time6 / CLOCKS_PER_SEC,
1630                                  (time6 % CLOCKS_PER_SEC) * 1000 / CLOCKS_PER_SEC);
1631
1632         if (eof) {
1633                 longjmp(j2k_error, 1);
1634         }
1635
1636         return l;
1637 }