libopenjpeg/j2k.c

   1 /*
   2  * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
   3  * Copyright (c) 2002-2007, Professor Benoit Macq
   4  * Copyright (c) 2001-2003, David Janssens
   5  * Copyright (c) 2002-2003, Yannick Verschueren
   6  * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
   7  * Copyright (c) 2005, Herve Drolon, FreeImage Team
   8  * Copyright (c) 2006-2007, Parvatha Elangovan
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
  21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  24  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  30  * POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include "opj_includes.h"
  34
  35 /** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */
  36 /*@{*/
  37
  38 /** @name Local static functions */
  39 /*@{*/
  40
  41 /**
  42 Write the SOC marker (Start Of Codestream)
  43 @param j2k J2K handle
  44 */
  45 static void j2k_write_soc(opj_j2k_t *j2k);
  46 /**
  47 Read the SOC marker (Start of Codestream)
  48 @param j2k J2K handle
  49 */
  50 static void j2k_read_soc(opj_j2k_t *j2k);
  51 /**
  52 Write the SIZ marker (image and tile size)
  53 @param j2k J2K handle
  54 */
  55 static void j2k_write_siz(opj_j2k_t *j2k);
  56 /**
  57 Read the SIZ marker (image and tile size)
  58 @param j2k J2K handle
  59 */
  60 static void j2k_read_siz(opj_j2k_t *j2k);
  61 /**
  62 Write the COM marker (comment)
  63 @param j2k J2K handle
  64 */
  65 static void j2k_write_com(opj_j2k_t *j2k);
  66 /**
  67 Read the COM marker (comment)
  68 @param j2k J2K handle
  69 */
  70 static void j2k_read_com(opj_j2k_t *j2k);
  71 /**
  72 Write the value concerning the specified component in the marker COD and COC
  73 @param j2k J2K handle
  74 @param compno Number of the component concerned by the information written
  75 */
  76 static void j2k_write_cox(opj_j2k_t *j2k, int compno);
  77 /**
  78 Read the value concerning the specified component in the marker COD and COC
  79 @param j2k J2K handle
  80 @param compno Number of the component concerned by the information read
  81 */
  82 static void j2k_read_cox(opj_j2k_t *j2k, int compno);
  83 /**
  84 Write the COD marker (coding style default)
  85 @param j2k J2K handle
  86 */
  87 static void j2k_write_cod(opj_j2k_t *j2k);
  88 /**
  89 Read the COD marker (coding style default)
  90 @param j2k J2K handle
  91 */
  92 static void j2k_read_cod(opj_j2k_t *j2k);
  93 /**
  94 Write the COC marker (coding style component)
  95 @param j2k J2K handle
  96 @param compno Number of the component concerned by the information written
  97 */
  98 static void j2k_write_coc(opj_j2k_t *j2k, int compno);
  99 /**
 100 Read the COC marker (coding style component)
 101 @param j2k J2K handle
 102 */
 103 static void j2k_read_coc(opj_j2k_t *j2k);
 104 /**
 105 Write the value concerning the specified component in the marker QCD and QCC
 106 @param j2k J2K handle
 107 @param compno Number of the component concerned by the information written
 108 */
 109 static void j2k_write_qcx(opj_j2k_t *j2k, int compno);
 110 /**
 111 Read the value concerning the specified component in the marker QCD and QCC
 112 @param j2k J2K handle
 113 @param compno Number of the component concern by the information read
 114 @param len Length of the information in the QCX part of the marker QCD/QCC
 115 */
 116 static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len);
 117 /**
 118 Write the QCD marker (quantization default)
 119 @param j2k J2K handle
 120 */
 121 static void j2k_write_qcd(opj_j2k_t *j2k);
 122 /**
 123 Read the QCD marker (quantization default)
 124 @param j2k J2K handle
 125 */
 126 static void j2k_read_qcd(opj_j2k_t *j2k);
 127 /**
 128 Write the QCC marker (quantization component)
 129 @param j2k J2K handle
 130 @param compno Number of the component concerned by the information written
 131 */
 132 static void j2k_write_qcc(opj_j2k_t *j2k, int compno);
 133 /**
 134 Read the QCC marker (quantization component)
 135 @param j2k J2K handle
 136 */
 137 static void j2k_read_qcc(opj_j2k_t *j2k);
 138 /**
 139 Write the POC marker (progression order change)
 140 @param j2k J2K handle
 141 */
 142 static void j2k_write_poc(opj_j2k_t *j2k);
 143 /**
 144 Read the POC marker (progression order change)
 145 @param j2k J2K handle
 146 */
 147 static void j2k_read_poc(opj_j2k_t *j2k);
 148 /**
 149 Read the CRG marker (component registration)
 150 @param j2k J2K handle
 151 */
 152 static void j2k_read_crg(opj_j2k_t *j2k);
 153 /**
 154 Read the TLM marker (tile-part lengths)
 155 @param j2k J2K handle
 156 */
 157 static void j2k_read_tlm(opj_j2k_t *j2k);
 158 /**
 159 Read the PLM marker (packet length, main header)
 160 @param j2k J2K handle
 161 */
 162 static void j2k_read_plm(opj_j2k_t *j2k);
 163 /**
 164 Read the PLT marker (packet length, tile-part header)
 165 @param j2k J2K handle
 166 */
 167 static void j2k_read_plt(opj_j2k_t *j2k);
 168 /**
 169 Read the PPM marker (packet packet headers, main header)
 170 @param j2k J2K handle
 171 */
 172 static void j2k_read_ppm(opj_j2k_t *j2k);
 173 /**
 174 Read the PPT marker (packet packet headers, tile-part header)
 175 @param j2k J2K handle
 176 */
 177 static void j2k_read_ppt(opj_j2k_t *j2k);
 178 /**
 179 Write the TLM marker (Mainheader)
 180 @param j2k J2K handle
 181 */
 182 static void j2k_write_tlm(opj_j2k_t *j2k);
 183 /**
 184 Write the SOT marker (start of tile-part)
 185 @param j2k J2K handle
 186 */
 187 static void j2k_write_sot(opj_j2k_t *j2k);
 188 /**
 189 Read the SOT marker (start of tile-part)
 190 @param j2k J2K handle
 191 */
 192 static void j2k_read_sot(opj_j2k_t *j2k);
 193 /**
 194 Write the SOD marker (start of data)
 195 @param j2k J2K handle
 196 @param tile_coder Pointer to a TCD handle
 197 */
 198 static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder);
 199 /**
 200 Read the SOD marker (start of data)
 201 @param j2k J2K handle
 202 */
 203 static void j2k_read_sod(opj_j2k_t *j2k);
 204 /**
 205 Write the RGN marker (region-of-interest)
 206 @param j2k J2K handle
 207 @param compno Number of the component concerned by the information written
 208 @param tileno Number of the tile concerned by the information written
 209 */
 210 static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno);
 211 /**
 212 Read the RGN marker (region-of-interest)
 213 @param j2k J2K handle
 214 */
 215 static void j2k_read_rgn(opj_j2k_t *j2k);
 216 /**
 217 Write the EOC marker (end of codestream)
 218 @param j2k J2K handle
 219 */
 220 static void j2k_write_eoc(opj_j2k_t *j2k);
 221 /**
 222 Read the EOC marker (end of codestream)
 223 @param j2k J2K handle
 224 */
 225 static void j2k_read_eoc(opj_j2k_t *j2k);
 226 /**
 227 Read an unknown marker
 228 @param j2k J2K handle
 229 */
 230 static void j2k_read_unk(opj_j2k_t *j2k);
 231
 232 /*@}*/
 233
 234 /*@}*/
 235
 236 /* ----------------------------------------------------------------------- */
 237 typedef struct j2k_prog_order{
 238         OPJ_PROG_ORDER enum_prog;
 239         char str_prog[4];
 240 }j2k_prog_order_t;
 241
 242 j2k_prog_order_t j2k_prog_order_list[] = {
 243         {CPRL, "CPRL"},
 244         {LRCP, "LRCP"},
 245         {PCRL, "PCRL"},
 246         {RLCP, "RLCP"},
 247         {RPCL, "RPCL"},
 248         {-1, ""}
 249 };
 250
 251 char *j2k_convert_progression_order(OPJ_PROG_ORDER prg_order){
 252         j2k_prog_order_t *po;
 253         for(po = j2k_prog_order_list; po->enum_prog != -1; po++ ){
 254                 if(po->enum_prog == prg_order){
 255                         break;
 256                 }
 257         }
 258         return po->str_prog;
 259 }
 260
 261 static void j2k_check_poc_val(opj_cparameters_t *parameters, int numcomps, int numlayers){
 262         int index, resno, compno, layno, i;
 263         char loss = 0;
 264         int step_c = 1;
 265         int step_r = numcomps * step_c;
 266         int step_l = parameters->numresolution * step_r;
 267         int array_size = step_l * numlayers * sizeof(int);
 268         int *packet_array = (int *) opj_malloc(array_size);
 269
 270         for (i = 0; i < parameters->numpocs ; i++) {
 271                 int layno0 = 0;
 272                 if(i > 0)
 273                         layno0 = (parameters->POC[i].layno1 > parameters->POC[i-1].layno1 )? parameters->POC[i-1].layno1 : 0;
 274                 for (resno = parameters->POC[i].resno0 ; resno < parameters->POC[i].resno1 ; resno++) {
 275                         for (compno = parameters->POC[i].compno0 ; compno < parameters->POC[i].compno1 ; compno++) {
 276                                 for (layno = layno0; layno < parameters->POC[i].layno1 ; layno++) {
 277                                         index = step_r * resno + step_c * compno + step_l * layno;
 278                                         packet_array[index]= 1;
 279                                 }
 280                         }
 281                 }
 282         }
 283         for (resno = 0; resno < parameters->numresolution; resno++) {
 284                 for (compno = 0; compno < numcomps; compno++) {
 285                         for (layno = 0; layno < numlayers ; layno++) {
 286                                 index = step_r * resno + step_c * compno + step_l * layno;
 287                                 if(!(   packet_array[index]== 1)){
 288                                         loss = 1;
 289                                 }
 290                         }
 291                 }
 292         }
 293         if(loss == 1)
 294                 fprintf(stdout,"Missing packets possible loss of data\n");
 295         opj_free(packet_array);
 296 }
 297
 298 void j2k_dump_image(FILE *fd, opj_image_t * img) {
 299         int compno;
 300         fprintf(fd, "image {\n");
 301         fprintf(fd, "  x0=%d, y0=%d, x1=%d, y1=%d\n", img->x0, img->y0, img->x1, img->y1);
 302         fprintf(fd, "  numcomps=%d\n", img->numcomps);
 303         for (compno = 0; compno < img->numcomps; compno++) {
 304                 opj_image_comp_t *comp = &img->comps[compno];
 305                 fprintf(fd, "  comp %d {\n", compno);
 306                 fprintf(fd, "    dx=%d, dy=%d\n", comp->dx, comp->dy);
 307                 fprintf(fd, "    prec=%d\n", comp->prec);
 308                 fprintf(fd, "    sgnd=%d\n", comp->sgnd);
 309                 fprintf(fd, "  }\n");
 310         }
 311         fprintf(fd, "}\n");
 312 }
 313
 314 void j2k_dump_cp(FILE *fd, opj_image_t * img, opj_cp_t * cp) {
 315         int tileno, compno, layno, bandno, resno, numbands;
 316         fprintf(fd, "coding parameters {\n");
 317         fprintf(fd, "  tx0=%d, ty0=%d\n", cp->tx0, cp->ty0);
 318         fprintf(fd, "  tdx=%d, tdy=%d\n", cp->tdx, cp->tdy);
 319         fprintf(fd, "  tw=%d, th=%d\n", cp->tw, cp->th);
 320         for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
 321                 opj_tcp_t *tcp = &cp->tcps[tileno];
 322                 fprintf(fd, "  tile %d {\n", tileno);
 323                 fprintf(fd, "    csty=%x\n", tcp->csty);
 324                 fprintf(fd, "    prg=%d\n", tcp->prg);
 325                 fprintf(fd, "    numlayers=%d\n", tcp->numlayers);
 326                 fprintf(fd, "    mct=%d\n", tcp->mct);
 327                 fprintf(fd, "    rates=");
 328                 for (layno = 0; layno < tcp->numlayers; layno++) {
 329                         fprintf(fd, "%.1f ", tcp->rates[layno]);
 330                 }
 331                 fprintf(fd, "\n");
 332                 for (compno = 0; compno < img->numcomps; compno++) {
 333                         opj_tccp_t *tccp = &tcp->tccps[compno];
 334                         fprintf(fd, "    comp %d {\n", compno);
 335                         fprintf(fd, "      csty=%x\n", tccp->csty);
 336                         fprintf(fd, "      numresolutions=%d\n", tccp->numresolutions);
 337                         fprintf(fd, "      cblkw=%d\n", tccp->cblkw);
 338                         fprintf(fd, "      cblkh=%d\n", tccp->cblkh);
 339                         fprintf(fd, "      cblksty=%x\n", tccp->cblksty);
 340                         fprintf(fd, "      qmfbid=%d\n", tccp->qmfbid);
 341                         fprintf(fd, "      qntsty=%d\n", tccp->qntsty);
 342                         fprintf(fd, "      numgbits=%d\n", tccp->numgbits);
 343                         fprintf(fd, "      roishift=%d\n", tccp->roishift);
 344                         fprintf(fd, "      stepsizes=");
 345                         numbands = tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
 346                         for (bandno = 0; bandno < numbands; bandno++) {
 347                                 fprintf(fd, "(%d,%d) ", tccp->stepsizes[bandno].mant,
 348                                         tccp->stepsizes[bandno].expn);
 349                         }
 350                         fprintf(fd, "\n");
 351
 352                         if (tccp->csty & J2K_CCP_CSTY_PRT) {
 353                                 fprintf(fd, "      prcw=");
 354                                 for (resno = 0; resno < tccp->numresolutions; resno++) {
 355                                         fprintf(fd, "%d ", tccp->prcw[resno]);
 356                                 }
 357                                 fprintf(fd, "\n");
 358                                 fprintf(fd, "      prch=");
 359                                 for (resno = 0; resno < tccp->numresolutions; resno++) {
 360                                         fprintf(fd, "%d ", tccp->prch[resno]);
 361                                 }
 362                                 fprintf(fd, "\n");
 363                         }
 364                         fprintf(fd, "    }\n");
 365                 }
 366                 fprintf(fd, "  }\n");
 367         }
 368         fprintf(fd, "}\n");
 369 }
 370
 371 /* ----------------------------------------------------------------------- */
 372 static int j2k_get_num_tp(opj_cp_t *cp,int pino,int tileno){
 373         char *prog;
 374         int i;
 375         int tpnum=1,tpend=0;
 376         opj_tcp_t *tcp = &cp->tcps[tileno];
 377         prog = j2k_convert_progression_order(tcp->prg);
 378
 379         if(cp->tp_on == 1){
 380                 for(i=0;i<4;i++){
 381                         if(tpend!=1){
 382                                 if( cp->tp_flag == prog[i] ){
 383                                         tpend=1;cp->tp_pos=i;
 384                                 }
 385                                 switch(prog[i]){
 386                                 case 'C':
 387                                         tpnum= tpnum * tcp->pocs[pino].compE;
 388                                         break;
 389                                 case 'R':
 390                                         tpnum= tpnum * tcp->pocs[pino].resE;
 391                                         break;
 392                                 case 'P':
 393                                         tpnum= tpnum * tcp->pocs[pino].prcE;
 394                                         break;
 395                                 case 'L':
 396                                         tpnum= tpnum * tcp->pocs[pino].layE;
 397                                         break;
 398                                 }
 399                         }
 400                 }
 401         }else{
 402                 tpnum=1;
 403         }
 404         return tpnum;
 405 }
 406
 407 /**     mem allocation for TLM marker*/
 408 int j2k_calculate_tp(opj_cp_t *cp,int img_numcomp,opj_image_t *image,opj_j2k_t *j2k ){
 409         int pino,tileno,maxres=0,totnum_tp=0;
 410         j2k->cur_totnum_tp = (int *) opj_malloc(cp->tw * cp->th * sizeof(int));
 411         for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
 412                 int cur_totnum_tp = 0;
 413                 opj_tcp_t *tcp = &cp->tcps[tileno];
 414                 for(pino = 0; pino <= tcp->numpocs; pino++) {
 415                         int tp_num=0;
 416                         opj_pi_iterator_t *pi = pi_initialise_encode(image, cp, tileno,FINAL_PASS);
 417                         if(!pi) { return -1;}
 418                         tp_num = j2k_get_num_tp(cp,pino,tileno);
 419                         totnum_tp = totnum_tp + tp_num;
 420                         cur_totnum_tp = cur_totnum_tp + tp_num;
 421                         pi_destroy(pi, cp, tileno);
 422                 }
 423                 j2k->cur_totnum_tp[tileno] = cur_totnum_tp;
 424         }
 425         return totnum_tp;
 426 }
 427
 428 static void j2k_write_soc(opj_j2k_t *j2k) {
 429         opj_cio_t *cio = j2k->cio;
 430         cio_write(cio, J2K_MS_SOC, 2);
 431 }
 432
 433 static void j2k_read_soc(opj_j2k_t *j2k) {
 434         j2k->state = J2K_STATE_MHSIZ;
 435 }
 436
 437 static void j2k_write_siz(opj_j2k_t *j2k) {
 438         int i;
 439         int lenp, len;
 440
 441         opj_cio_t *cio = j2k->cio;
 442         opj_image_t *image = j2k->image;
 443         opj_cp_t *cp = j2k->cp;
 444
 445         cio_write(cio, J2K_MS_SIZ, 2);  /* SIZ */
 446         lenp = cio_tell(cio);
 447         cio_skip(cio, 2);
 448         cio_write(cio, cp->rsiz, 2);                    /* Rsiz (capabilities) */
 449         cio_write(cio, image->x1, 4);   /* Xsiz */
 450         cio_write(cio, image->y1, 4);   /* Ysiz */
 451         cio_write(cio, image->x0, 4);   /* X0siz */
 452         cio_write(cio, image->y0, 4);   /* Y0siz */
 453         cio_write(cio, cp->tdx, 4);             /* XTsiz */
 454         cio_write(cio, cp->tdy, 4);             /* YTsiz */
 455         cio_write(cio, cp->tx0, 4);             /* XT0siz */
 456         cio_write(cio, cp->ty0, 4);             /* YT0siz */
 457         cio_write(cio, image->numcomps, 2);     /* Csiz */
 458         for (i = 0; i < image->numcomps; i++) {
 459                 cio_write(cio, image->comps[i].prec - 1 + (image->comps[i].sgnd << 7), 1);      /* Ssiz_i */
 460                 cio_write(cio, image->comps[i].dx, 1);  /* XRsiz_i */
 461                 cio_write(cio, image->comps[i].dy, 1);  /* YRsiz_i */
 462         }
 463         len = cio_tell(cio) - lenp;
 464         cio_seek(cio, lenp);
 465         cio_write(cio, len, 2);         /* Lsiz */
 466         cio_seek(cio, lenp + len);
 467 }
 468
 469 static void j2k_read_siz(opj_j2k_t *j2k) {
 470         int len, i;
 471
 472         opj_cio_t *cio = j2k->cio;
 473         opj_image_t *image = j2k->image;
 474         opj_cp_t *cp = j2k->cp;
 475
 476         len = cio_read(cio, 2);                 /* Lsiz */
 477         cio_read(cio, 2);                               /* Rsiz (capabilities) */
 478         image->x1 = cio_read(cio, 4);   /* Xsiz */
 479         image->y1 = cio_read(cio, 4);   /* Ysiz */
 480         image->x0 = cio_read(cio, 4);   /* X0siz */
 481         image->y0 = cio_read(cio, 4);   /* Y0siz */
 482         cp->tdx = cio_read(cio, 4);             /* XTsiz */
 483         cp->tdy = cio_read(cio, 4);             /* YTsiz */
 484         cp->tx0 = cio_read(cio, 4);             /* XT0siz */
 485         cp->ty0 = cio_read(cio, 4);             /* YT0siz */
 486
 487         image->numcomps = cio_read(cio, 2);     /* Csiz */
 488
 489 #ifdef USE_JPWL
 490         if (j2k->cp->correct) {
 491                 /* if JPWL is on, we check whether TX errors have damaged
 492                   too much the SIZ parameters */
 493                 if (!(image->x1 * image->y1)) {
 494                         opj_event_msg(j2k->cinfo, EVT_ERROR,
 495                                 "JPWL: bad image size (%d x %d)\n",
 496                                 image->x1, image->y1);
 497                         if (!JPWL_ASSUME || JPWL_ASSUME) {
 498                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
 499                                 return;
 500                         }
 501                 }
 502                 if (image->numcomps != ((len - 38) / 3)) {
 503                         opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
 504                                 "JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n",
 505                                 image->numcomps, ((len - 38) / 3));
 506                         if (!JPWL_ASSUME) {
 507                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
 508                                 return;
 509                         }
 510                         /* we try to correct */
 511                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n");
 512                         if (image->numcomps < ((len - 38) / 3)) {
 513                                 len = 38 + 3 * image->numcomps;
 514                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n",
 515                                         len);
 516                         } else {
 517                                 image->numcomps = ((len - 38) / 3);
 518                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n",
 519                                         image->numcomps);
 520                         }
 521                 }
 522
 523                 /* update components number in the jpwl_exp_comps filed */
 524                 cp->exp_comps = image->numcomps;
 525         }
 526 #endif /* USE_JPWL */
 527
 528         image->comps = (opj_image_comp_t *) opj_malloc(image->numcomps * sizeof(opj_image_comp_t));
 529         for (i = 0; i < image->numcomps; i++) {
 530                 int tmp, w, h;
 531                 tmp = cio_read(cio, 1);         /* Ssiz_i */
 532                 image->comps[i].prec = (tmp & 0x7f) + 1;
 533                 image->comps[i].sgnd = tmp >> 7;
 534                 image->comps[i].dx = cio_read(cio, 1);  /* XRsiz_i */
 535                 image->comps[i].dy = cio_read(cio, 1);  /* YRsiz_i */
 536
 537 #ifdef USE_JPWL
 538                 if (j2k->cp->correct) {
 539                 /* if JPWL is on, we check whether TX errors have damaged
 540                         too much the SIZ parameters, again */
 541                         if (!(image->comps[i].dx * image->comps[i].dy)) {
 542                                 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
 543                                         "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
 544                                         i, i, image->comps[i].dx, image->comps[i].dy);
 545                                 if (!JPWL_ASSUME) {
 546                                         opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
 547                                         return;
 548                                 }
 549                                 /* we try to correct */
 550                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
 551                                 if (!image->comps[i].dx) {
 552                                         image->comps[i].dx = 1;
 553                                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
 554                                                 i, image->comps[i].dx);
 555                                 }
 556                                 if (!image->comps[i].dy) {
 557                                         image->comps[i].dy = 1;
 558                                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
 559                                                 i, image->comps[i].dy);
 560                                 }
 561                         }
 562
 563                 }
 564 #endif /* USE_JPWL */
 565
 566
 567                 /* TODO: unused ? */
 568                 w = int_ceildiv(image->x1 - image->x0, image->comps[i].dx);
 569                 h = int_ceildiv(image->y1 - image->y0, image->comps[i].dy);
 570
 571                 image->comps[i].resno_decoded = 0;      /* number of resolution decoded */
 572                 image->comps[i].factor = 0;                     /* reducing factor per component */
 573         }
 574
 575         cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
 576         cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
 577
 578 #ifdef USE_JPWL
 579         if (j2k->cp->correct) {
 580                 /* if JPWL is on, we check whether TX errors have damaged
 581                   too much the SIZ parameters */
 582                 if ((cp->tw < 1) || (cp->th < 1) || (cp->tw > cp->max_tiles) || (cp->th > cp->max_tiles)) {
 583                         opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
 584                                 "JPWL: bad number of tiles (%d x %d)\n",
 585                                 cp->tw, cp->th);
 586                         if (!JPWL_ASSUME) {
 587                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
 588                                 return;
 589                         }
 590                         /* we try to correct */
 591                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
 592                         if (cp->tw < 1) {
 593                                 cp->tw= 1;
 594                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in x => HYPOTHESIS!!!\n",
 595                                         cp->tw);
 596                         }
 597                         if (cp->tw > cp->max_tiles) {
 598                                 cp->tw= 1;
 599                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large x, increase expectance of %d\n"
 600                                         "- setting %d tiles in x => HYPOTHESIS!!!\n",
 601                                         cp->max_tiles, cp->tw);
 602                         }
 603                         if (cp->th < 1) {
 604                                 cp->th= 1;
 605                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in y => HYPOTHESIS!!!\n",
 606                                         cp->th);
 607                         }
 608                         if (cp->th > cp->max_tiles) {
 609                                 cp->th= 1;
 610                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large y, increase expectance of %d to continue\n",
 611                                         "- setting %d tiles in y => HYPOTHESIS!!!\n",
 612                                         cp->max_tiles, cp->th);
 613                         }
 614                 }
 615         }
 616 #endif /* USE_JPWL */
 617
 618         cp->tcps = (opj_tcp_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tcp_t));
 619         cp->tileno = (int *) opj_malloc(cp->tw * cp->th * sizeof(int));
 620         cp->tileno_size = 0;
 621
 622 #ifdef USE_JPWL
 623         if (j2k->cp->correct) {
 624                 if (!cp->tcps) {
 625                         opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
 626                                 "JPWL: could not alloc tcps field of cp\n");
 627                         if (!JPWL_ASSUME || JPWL_ASSUME) {
 628                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
 629                                 return;
 630                         }
 631                 }
 632         }
 633 #endif /* USE_JPWL */
 634
 635         for (i = 0; i < cp->tw * cp->th; i++) {
 636                 cp->tcps[i].POC = 0;
 637                 cp->tcps[i].numpocs = 0;
 638                 cp->tcps[i].first = 1;
 639         }
 640
 641         /* Initialization for PPM marker */
 642         cp->ppm = 0;
 643         cp->ppm_data = NULL;
 644         cp->ppm_data_first = NULL;
 645         cp->ppm_previous = 0;
 646         cp->ppm_store = 0;
 647
 648         j2k->default_tcp->tccps = (opj_tccp_t *) opj_malloc(sizeof(opj_tccp_t) * image->numcomps);
 649         for (i = 0; i < cp->tw * cp->th; i++) {
 650                 cp->tcps[i].tccps = (opj_tccp_t *) opj_malloc(sizeof(opj_tccp_t) * image->numcomps);
 651         }
 652         j2k->tile_data = (unsigned char **) opj_malloc(cp->tw * cp->th * sizeof(unsigned char *));
 653         j2k->tile_len = (int *) opj_malloc(cp->tw * cp->th * sizeof(int));
 654         j2k->state = J2K_STATE_MH;
 655 }
 656
 657 static void j2k_write_com(opj_j2k_t *j2k) {
 658         unsigned int i;
 659         int lenp, len;
 660
 661         if(j2k->cp->comment) {
 662                 opj_cio_t *cio = j2k->cio;
 663                 char *comment = j2k->cp->comment;
 664
 665                 cio_write(cio, J2K_MS_COM, 2);
 666                 lenp = cio_tell(cio);
 667                 cio_skip(cio, 2);
 668                 cio_write(cio, 0, 2);
 669                 for (i = 0; i < strlen(comment); i++) {
 670                         cio_write(cio, comment[i], 1);
 671                 }
 672                 len = cio_tell(cio) - lenp;
 673                 cio_seek(cio, lenp);
 674                 cio_write(cio, len, 2);
 675                 cio_seek(cio, lenp + len);
 676         }
 677 }
 678
 679 static void j2k_read_com(opj_j2k_t *j2k) {
 680         int len;
 681
 682         opj_cio_t *cio = j2k->cio;
 683
 684         len = cio_read(cio, 2);
 685         cio_skip(cio, len - 2);
 686 }
 687
 688 static void j2k_write_cox(opj_j2k_t *j2k, int compno) {
 689         int i;
 690
 691         opj_cp_t *cp = j2k->cp;
 692         opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
 693         opj_tccp_t *tccp = &tcp->tccps[compno];
 694         opj_cio_t *cio = j2k->cio;
 695
 696         cio_write(cio, tccp->numresolutions - 1, 1);    /* SPcox (D) */
 697         cio_write(cio, tccp->cblkw - 2, 1);                             /* SPcox (E) */
 698         cio_write(cio, tccp->cblkh - 2, 1);                             /* SPcox (F) */
 699         cio_write(cio, tccp->cblksty, 1);                               /* SPcox (G) */
 700         cio_write(cio, tccp->qmfbid, 1);                                /* SPcox (H) */
 701
 702         if (tccp->csty & J2K_CCP_CSTY_PRT) {
 703                 for (i = 0; i < tccp->numresolutions; i++) {
 704                         cio_write(cio, tccp->prcw[i] + (tccp->prch[i] << 4), 1);        /* SPcox (I_i) */
 705                 }
 706         }
 707 }
 708
 709 static void j2k_read_cox(opj_j2k_t *j2k, int compno) {
 710         int i;
 711
 712         opj_cp_t *cp = j2k->cp;
 713         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
 714         opj_tccp_t *tccp = &tcp->tccps[compno];
 715         opj_cio_t *cio = j2k->cio;
 716
 717         tccp->numresolutions = cio_read(cio, 1) + 1;    /* SPcox (D) */
 718
 719         /* check the reduce value */
 720         cp->reduce = int_min((tccp->numresolutions)-1, cp->reduce);
 721         tccp->cblkw = cio_read(cio, 1) + 2;     /* SPcox (E) */
 722         tccp->cblkh = cio_read(cio, 1) + 2;     /* SPcox (F) */
 723         tccp->cblksty = cio_read(cio, 1);       /* SPcox (G) */
 724         tccp->qmfbid = cio_read(cio, 1);        /* SPcox (H) */
 725         if (tccp->csty & J2K_CP_CSTY_PRT) {
 726                 for (i = 0; i < tccp->numresolutions; i++) {
 727                         int tmp = cio_read(cio, 1);     /* SPcox (I_i) */
 728                         tccp->prcw[i] = tmp & 0xf;
 729                         tccp->prch[i] = tmp >> 4;
 730                 }
 731         }
 732 }
 733
 734 static void j2k_write_cod(opj_j2k_t *j2k) {
 735         opj_cp_t *cp = NULL;
 736         opj_tcp_t *tcp = NULL;
 737         int lenp, len;
 738
 739         opj_cio_t *cio = j2k->cio;
 740
 741         cio_write(cio, J2K_MS_COD, 2);  /* COD */
 742
 743         lenp = cio_tell(cio);
 744         cio_skip(cio, 2);
 745
 746         cp = j2k->cp;
 747         tcp = &cp->tcps[j2k->curtileno];
 748
 749         cio_write(cio, tcp->csty, 1);           /* Scod */
 750         cio_write(cio, tcp->prg, 1);            /* SGcod (A) */
 751         cio_write(cio, tcp->numlayers, 2);      /* SGcod (B) */
 752         cio_write(cio, tcp->mct, 1);            /* SGcod (C) */
 753
 754         j2k_write_cox(j2k, 0);
 755         len = cio_tell(cio) - lenp;
 756         cio_seek(cio, lenp);
 757         cio_write(cio, len, 2);         /* Lcod */
 758         cio_seek(cio, lenp + len);
 759 }
 760
 761 static void j2k_read_cod(opj_j2k_t *j2k) {
 762         int len, i, pos;
 763
 764         opj_cio_t *cio = j2k->cio;
 765         opj_cp_t *cp = j2k->cp;
 766         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
 767         opj_image_t *image = j2k->image;
 768
 769         len = cio_read(cio, 2);                         /* Lcod */
 770         tcp->csty = cio_read(cio, 1);           /* Scod */
 771         tcp->prg = (OPJ_PROG_ORDER)cio_read(cio, 1);            /* SGcod (A) */
 772         tcp->numlayers = cio_read(cio, 2);      /* SGcod (B) */
 773         tcp->mct = cio_read(cio, 1);            /* SGcod (C) */
 774
 775         pos = cio_tell(cio);
 776         for (i = 0; i < image->numcomps; i++) {
 777                 tcp->tccps[i].csty = tcp->csty & J2K_CP_CSTY_PRT;
 778                 cio_seek(cio, pos);
 779                 j2k_read_cox(j2k, i);
 780         }
 781 }
 782
 783 static void j2k_write_coc(opj_j2k_t *j2k, int compno) {
 784         int lenp, len;
 785
 786         opj_cp_t *cp = j2k->cp;
 787         opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
 788         opj_image_t *image = j2k->image;
 789         opj_cio_t *cio = j2k->cio;
 790
 791         cio_write(cio, J2K_MS_COC, 2);  /* COC */
 792         lenp = cio_tell(cio);
 793         cio_skip(cio, 2);
 794         cio_write(cio, compno, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
 795         cio_write(cio, tcp->tccps[compno].csty, 1);     /* Scoc */
 796         j2k_write_cox(j2k, compno);
 797         len = cio_tell(cio) - lenp;
 798         cio_seek(cio, lenp);
 799         cio_write(cio, len, 2);                 /* Lcoc */
 800         cio_seek(cio, lenp + len);
 801 }
 802
 803 static void j2k_read_coc(opj_j2k_t *j2k) {
 804         int len, compno;
 805
 806         opj_cp_t *cp = j2k->cp;
 807         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
 808         opj_image_t *image = j2k->image;
 809         opj_cio_t *cio = j2k->cio;
 810
 811         len = cio_read(cio, 2);         /* Lcoc */
 812         compno = cio_read(cio, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
 813         tcp->tccps[compno].csty = cio_read(cio, 1);     /* Scoc */
 814         j2k_read_cox(j2k, compno);
 815 }
 816
 817 static void j2k_write_qcx(opj_j2k_t *j2k, int compno) {
 818         int bandno, numbands;
 819         int expn, mant;
 820
 821         opj_cp_t *cp = j2k->cp;
 822         opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
 823         opj_tccp_t *tccp = &tcp->tccps[compno];
 824         opj_cio_t *cio = j2k->cio;
 825
 826         cio_write(cio, tccp->qntsty + (tccp->numgbits << 5), 1);        /* Sqcx */
 827         numbands = tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
 828
 829         for (bandno = 0; bandno < numbands; bandno++) {
 830                 expn = tccp->stepsizes[bandno].expn;
 831                 mant = tccp->stepsizes[bandno].mant;
 832
 833                 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
 834                         cio_write(cio, expn << 3, 1);   /* SPqcx_i */
 835                 } else {
 836                         cio_write(cio, (expn << 11) + mant, 2); /* SPqcx_i */
 837                 }
 838         }
 839 }
 840
 841 static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len) {
 842         int tmp;
 843         int bandno, numbands;
 844
 845         opj_cp_t *cp = j2k->cp;
 846         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
 847         opj_tccp_t *tccp = &tcp->tccps[compno];
 848         opj_cio_t *cio = j2k->cio;
 849
 850         tmp = cio_read(cio, 1);         /* Sqcx */
 851         tccp->qntsty = tmp & 0x1f;
 852         tccp->numgbits = tmp >> 5;
 853         numbands = (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ?
 854                 1 : ((tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ? len - 1 : (len - 1) / 2);
 855
 856 #ifdef USE_JPWL
 857         if (j2k->cp->correct) {
 858
 859                 /* if JPWL is on, we check whether there are too many subbands */
 860                 if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) {
 861                         opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
 862                                 "JPWL: bad number of subbands in Sqcx (%d)\n",
 863                                 numbands);
 864                         if (!JPWL_ASSUME) {
 865                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
 866                                 return;
 867                         }
 868                         /* we try to correct */
 869                         numbands = 1;
 870                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n"
 871                                 "- setting number of bands to %d => HYPOTHESIS!!!\n",
 872                                 numbands);
 873                 };
 874
 875         };
 876 #endif /* USE_JPWL */
 877
 878         for (bandno = 0; bandno < numbands; bandno++) {
 879                 int expn, mant;
 880                 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
 881                         expn = cio_read(cio, 1) >> 3;   /* SPqcx_i */
 882                         mant = 0;
 883                 } else {
 884                         tmp = cio_read(cio, 2); /* SPqcx_i */
 885                         expn = tmp >> 11;
 886                         mant = tmp & 0x7ff;
 887                 }
 888                 tccp->stepsizes[bandno].expn = expn;
 889                 tccp->stepsizes[bandno].mant = mant;
 890         }
 891
 892         /* Add Antonin : if scalar_derived -> compute other stepsizes */
 893         if (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
 894                 for (bandno = 1; bandno < J2K_MAXBANDS; bandno++) {
 895                         tccp->stepsizes[bandno].expn =
 896                                 ((tccp->stepsizes[0].expn) - ((bandno - 1) / 3) > 0) ?
 897                                         (tccp->stepsizes[0].expn) - ((bandno - 1) / 3) : 0;
 898                         tccp->stepsizes[bandno].mant = tccp->stepsizes[0].mant;
 899                 }
 900         }
 901         /* ddA */
 902 }
 903
 904 static void j2k_write_qcd(opj_j2k_t *j2k) {
 905         int lenp, len;
 906
 907         opj_cio_t *cio = j2k->cio;
 908
 909         cio_write(cio, J2K_MS_QCD, 2);  /* QCD */
 910         lenp = cio_tell(cio);
 911         cio_skip(cio, 2);
 912         j2k_write_qcx(j2k, 0);
 913         len = cio_tell(cio) - lenp;
 914         cio_seek(cio, lenp);
 915         cio_write(cio, len, 2);                 /* Lqcd */
 916         cio_seek(cio, lenp + len);
 917 }
 918
 919 static void j2k_read_qcd(opj_j2k_t *j2k) {
 920         int len, i, pos;
 921
 922         opj_cio_t *cio = j2k->cio;
 923         opj_image_t *image = j2k->image;
 924
 925         len = cio_read(cio, 2);         /* Lqcd */
 926         pos = cio_tell(cio);
 927         for (i = 0; i < image->numcomps; i++) {
 928                 cio_seek(cio, pos);
 929                 j2k_read_qcx(j2k, i, len - 2);
 930         }
 931 }
 932
 933 static void j2k_write_qcc(opj_j2k_t *j2k, int compno) {
 934         int lenp, len;
 935
 936         opj_cio_t *cio = j2k->cio;
 937
 938         cio_write(cio, J2K_MS_QCC, 2);  /* QCC */
 939         lenp = cio_tell(cio);
 940         cio_skip(cio, 2);
 941         cio_write(cio, compno, j2k->image->numcomps <= 256 ? 1 : 2);    /* Cqcc */
 942         j2k_write_qcx(j2k, compno);
 943         len = cio_tell(cio) - lenp;
 944         cio_seek(cio, lenp);
 945         cio_write(cio, len, 2);                 /* Lqcc */
 946         cio_seek(cio, lenp + len);
 947 }
 948
 949 static void j2k_read_qcc(opj_j2k_t *j2k) {
 950         int len, compno;
 951         int numcomp = j2k->image->numcomps;
 952         opj_cio_t *cio = j2k->cio;
 953
 954         len = cio_read(cio, 2); /* Lqcc */
 955         compno = cio_read(cio, numcomp <= 256 ? 1 : 2); /* Cqcc */
 956
 957 #ifdef USE_JPWL
 958         if (j2k->cp->correct) {
 959
 960                 static int backup_compno = 0;
 961
 962                 /* compno is negative or larger than the number of components!!! */
 963                 if ((compno < 0) || (compno >= numcomp)) {
 964                         opj_event_msg(j2k->cinfo, EVT_ERROR,
 965                                 "JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
 966                                 compno, numcomp);
 967                         if (!JPWL_ASSUME) {
 968                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
 969                                 return;
 970                         }
 971                         /* we try to correct */
 972                         compno = backup_compno % numcomp;
 973                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
 974                                 "- setting component number to %d\n",
 975                                 compno);
 976                 }
 977
 978                 /* keep your private count of tiles */
 979                 backup_compno++;
 980         };
 981 #endif /* USE_JPWL */
 982
 983         j2k_read_qcx(j2k, compno, len - 2 - (numcomp <= 256 ? 1 : 2));
 984 }
 985
 986 static void j2k_write_poc(opj_j2k_t *j2k) {
 987         int len, numpchgs, i;
 988
 989         int numcomps = j2k->image->numcomps;
 990
 991         opj_cp_t *cp = j2k->cp;
 992         opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
 993         opj_tccp_t *tccp = &tcp->tccps[0];
 994         opj_cio_t *cio = j2k->cio;
 995
 996         numpchgs = 1 + tcp->numpocs;
 997         cio_write(cio, J2K_MS_POC, 2);  /* POC  */
 998         len = 2 + (5 + 2 * (numcomps <= 256 ? 1 : 2)) * numpchgs;
 999         cio_write(cio, len, 2);         /* Lpoc */
1000         for (i = 0; i < numpchgs; i++) {
1001                 opj_poc_t *poc = &tcp->pocs[i];
1002                 cio_write(cio, poc->resno0, 1); /* RSpoc_i */
1003                 cio_write(cio, poc->compno0, (numcomps <= 256 ? 1 : 2));        /* CSpoc_i */
1004                 cio_write(cio, poc->layno1, 2); /* LYEpoc_i */
1005                 poc->layno1 = int_min(poc->layno1, tcp->numlayers);
1006                 cio_write(cio, poc->resno1, 1); /* REpoc_i */
1007                 poc->resno1 = int_min(poc->resno1, tccp->numresolutions);
1008                 cio_write(cio, poc->compno1, (numcomps <= 256 ? 1 : 2));        /* CEpoc_i */
1009                 poc->compno1 = int_min(poc->compno1, numcomps);
1010                 cio_write(cio, poc->prg, 1);    /* Ppoc_i */
1011         }
1012 }
1013
1014 static void j2k_read_poc(opj_j2k_t *j2k) {
1015         int len, numpchgs, i, old_poc;
1016
1017         int numcomps = j2k->image->numcomps;
1018
1019         opj_cp_t *cp = j2k->cp;
1020         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
1021         opj_tccp_t *tccp = &tcp->tccps[0];
1022         opj_cio_t *cio = j2k->cio;
1023
1024         old_poc = tcp->POC ? tcp->numpocs + 1 : 0;
1025         tcp->POC = 1;
1026         len = cio_read(cio, 2);         /* Lpoc */
1027         numpchgs = (len - 2) / (5 + 2 * (numcomps <= 256 ? 1 : 2));
1028
1029         for (i = old_poc; i < numpchgs + old_poc; i++) {
1030                 opj_poc_t *poc;
1031                 poc = &tcp->pocs[i];
1032                 poc->resno0 = cio_read(cio, 1); /* RSpoc_i */
1033                 poc->compno0 = cio_read(cio, numcomps <= 256 ? 1 : 2);  /* CSpoc_i */
1034                 poc->layno1 = cio_read(cio, 2);    /* LYEpoc_i */
1035                 poc->resno1 = cio_read(cio, 1);    /* REpoc_i */
1036                 poc->compno1 = int_min(
1037                         cio_read(cio, numcomps <= 256 ? 1 : 2), (unsigned int) numcomps);       /* CEpoc_i */
1038                 poc->prg = (OPJ_PROG_ORDER)cio_read(cio, 1);    /* Ppoc_i */
1039         }
1040
1041         tcp->numpocs = numpchgs + old_poc - 1;
1042 }
1043
1044 static void j2k_read_crg(opj_j2k_t *j2k) {
1045         int len, i, Xcrg_i, Ycrg_i;
1046
1047         opj_cio_t *cio = j2k->cio;
1048         int numcomps = j2k->image->numcomps;
1049
1050         len = cio_read(cio, 2);                 /* Lcrg */
1051         for (i = 0; i < numcomps; i++) {
1052                 Xcrg_i = cio_read(cio, 2);      /* Xcrg_i */
1053                 Ycrg_i = cio_read(cio, 2);      /* Ycrg_i */
1054         }
1055 }
1056
1057 static void j2k_read_tlm(opj_j2k_t *j2k) {
1058         int len, Ztlm, Stlm, ST, SP, tile_tlm, i;
1059         long int Ttlm_i, Ptlm_i;
1060
1061         opj_cio_t *cio = j2k->cio;
1062
1063         len = cio_read(cio, 2);         /* Ltlm */
1064         Ztlm = cio_read(cio, 1);        /* Ztlm */
1065         Stlm = cio_read(cio, 1);        /* Stlm */
1066         ST = ((Stlm >> 4) & 0x01) + ((Stlm >> 4) & 0x02);
1067         SP = (Stlm >> 6) & 0x01;
1068         tile_tlm = (len - 4) / ((SP + 1) * 2 + ST);
1069         for (i = 0; i < tile_tlm; i++) {
1070                 Ttlm_i = cio_read(cio, ST);     /* Ttlm_i */
1071                 Ptlm_i = cio_read(cio, SP ? 4 : 2);     /* Ptlm_i */
1072         }
1073 }
1074
1075 static void j2k_read_plm(opj_j2k_t *j2k) {
1076         int len, i, Zplm, Nplm, add, packet_len = 0;
1077
1078         opj_cio_t *cio = j2k->cio;
1079
1080         len = cio_read(cio, 2);         /* Lplm */
1081         Zplm = cio_read(cio, 1);        /* Zplm */
1082         len -= 3;
1083         while (len > 0) {
1084                 Nplm = cio_read(cio, 4);                /* Nplm */
1085                 len -= 4;
1086                 for (i = Nplm; i > 0; i--) {
1087                         add = cio_read(cio, 1);
1088                         len--;
1089                         packet_len = (packet_len << 7) + add;   /* Iplm_ij */
1090                         if ((add & 0x80) == 0) {
1091                                 /* New packet */
1092                                 packet_len = 0;
1093                         }
1094                         if (len <= 0)
1095                                 break;
1096                 }
1097         }
1098 }
1099
1100 static void j2k_read_plt(opj_j2k_t *j2k) {
1101         int len, i, Zplt, packet_len = 0, add;
1102
1103         opj_cio_t *cio = j2k->cio;
1104
1105         len = cio_read(cio, 2);         /* Lplt */
1106         Zplt = cio_read(cio, 1);        /* Zplt */
1107         for (i = len - 3; i > 0; i--) {
1108                 add = cio_read(cio, 1);
1109                 packet_len = (packet_len << 7) + add;   /* Iplt_i */
1110                 if ((add & 0x80) == 0) {
1111                         /* New packet */
1112                         packet_len = 0;
1113                 }
1114         }
1115 }
1116
1117 static void j2k_read_ppm(opj_j2k_t *j2k) {
1118         int len, Z_ppm, i, j;
1119         int N_ppm;
1120
1121         opj_cp_t *cp = j2k->cp;
1122         opj_cio_t *cio = j2k->cio;
1123
1124         len = cio_read(cio, 2);
1125         cp->ppm = 1;
1126
1127         Z_ppm = cio_read(cio, 1);       /* Z_ppm */
1128         len -= 3;
1129         while (len > 0) {
1130                 if (cp->ppm_previous == 0) {
1131                         N_ppm = cio_read(cio, 4);       /* N_ppm */
1132                         len -= 4;
1133                 } else {
1134                         N_ppm = cp->ppm_previous;
1135                 }
1136                 j = cp->ppm_store;
1137                 if (Z_ppm == 0) {       /* First PPM marker */
1138                         cp->ppm_data = (unsigned char *) opj_malloc(N_ppm * sizeof(unsigned char));
1139                         cp->ppm_data_first = cp->ppm_data;
1140                         cp->ppm_len = N_ppm;
1141                 } else {                        /* NON-first PPM marker */
1142                         cp->ppm_data = (unsigned char *) opj_realloc(cp->ppm_data, (N_ppm +     cp->ppm_store) * sizeof(unsigned char));
1143
1144 #ifdef USE_JPWL
1145                         /* this memory allocation check could be done even in non-JPWL cases */
1146                         if (cp->correct) {
1147                                 if (!cp->ppm_data) {
1148                                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1149                                                 "JPWL: failed memory allocation during PPM marker parsing (pos. %x)\n",
1150                                                 cio_tell(cio));
1151                                         if (!JPWL_ASSUME || JPWL_ASSUME) {
1152                                                 free(cp->ppm_data);
1153                                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1154                                                 return;
1155                                         }
1156                                 }
1157                         }
1158 #endif
1159
1160                         cp->ppm_data_first = cp->ppm_data;
1161                         cp->ppm_len = N_ppm + cp->ppm_store;
1162                 }
1163                 for (i = N_ppm; i > 0; i--) {   /* Read packet header */
1164                         cp->ppm_data[j] = cio_read(cio, 1);
1165                         j++;
1166                         len--;
1167                         if (len == 0)
1168                                 break;                  /* Case of non-finished packet header in present marker but finished in next one */
1169                 }
1170                 cp->ppm_previous = i - 1;
1171                 cp->ppm_store = j;
1172         }
1173 }
1174
1175 static void j2k_read_ppt(opj_j2k_t *j2k) {
1176         int len, Z_ppt, i, j = 0;
1177
1178         opj_cp_t *cp = j2k->cp;
1179         opj_tcp_t *tcp = cp->tcps + j2k->curtileno;
1180         opj_cio_t *cio = j2k->cio;
1181
1182         len = cio_read(cio, 2);
1183         Z_ppt = cio_read(cio, 1);
1184         tcp->ppt = 1;
1185         if (Z_ppt == 0) {               /* First PPT marker */
1186                 tcp->ppt_data = (unsigned char *) opj_malloc((len - 3) * sizeof(unsigned char));
1187                 tcp->ppt_data_first = tcp->ppt_data;
1188                 tcp->ppt_store = 0;
1189                 tcp->ppt_len = len - 3;
1190         } else {                        /* NON-first PPT marker */
1191                 tcp->ppt_data = (unsigned char *) opj_realloc(tcp->ppt_data, (len - 3 + tcp->ppt_store) * sizeof(unsigned char));
1192                 tcp->ppt_data_first = tcp->ppt_data;
1193                 tcp->ppt_len = len - 3 + tcp->ppt_store;
1194         }
1195         j = tcp->ppt_store;
1196         for (i = len - 3; i > 0; i--) {
1197                 tcp->ppt_data[j] = cio_read(cio, 1);
1198                 j++;
1199         }
1200         tcp->ppt_store = j;
1201 }
1202
1203 static void j2k_write_tlm(opj_j2k_t *j2k){
1204         int lenp;
1205         opj_cio_t *cio = j2k->cio;
1206         j2k->tlm_start = cio_tell(cio);
1207         cio_write(cio, J2K_MS_TLM, 2);/* TLM */
1208         lenp = 4 + (5*j2k->totnum_tp);
1209         cio_write(cio,lenp,2);                          /* Ltlm */
1210         cio_write(cio, 0,1);                                    /* Ztlm=0*/
1211         cio_write(cio,80,1);                                    /* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
1212         cio_skip(cio,5*j2k->totnum_tp);
1213 }
1214
1215 static void j2k_write_sot(opj_j2k_t *j2k) {
1216         int lenp, len;
1217
1218         opj_cio_t *cio = j2k->cio;
1219
1220         j2k->sot_start = cio_tell(cio);
1221         cio_write(cio, J2K_MS_SOT, 2);          /* SOT */
1222         lenp = cio_tell(cio);
1223         cio_skip(cio, 2);                                       /* Lsot (further) */
1224         cio_write(cio, j2k->curtileno, 2);      /* Isot */
1225         cio_skip(cio, 4);                                       /* Psot (further in j2k_write_sod) */
1226         cio_write(cio, j2k->cur_tp_num , 1);    /* TPsot */
1227         cio_write(cio, j2k->cur_totnum_tp[j2k->curtileno], 1);          /* TNsot */
1228         len = cio_tell(cio) - lenp;
1229         cio_seek(cio, lenp);
1230         cio_write(cio, len, 2);                         /* Lsot */
1231         cio_seek(cio, lenp + len);
1232 }
1233
1234 static void j2k_read_sot(opj_j2k_t *j2k) {
1235         int len, tileno, totlen, partno, numparts, i;
1236         opj_tcp_t *tcp = NULL;
1237         char status = 0;
1238
1239         opj_cp_t *cp = j2k->cp;
1240         opj_cio_t *cio = j2k->cio;
1241
1242         len = cio_read(cio, 2);
1243         tileno = cio_read(cio, 2);
1244
1245 #ifdef USE_JPWL
1246         if (j2k->cp->correct) {
1247
1248                 static int backup_tileno = 0;
1249
1250                 /* tileno is negative or larger than the number of tiles!!! */
1251                 if ((tileno < 0) || (tileno > (cp->tw * cp->th))) {
1252                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1253                                 "JPWL: bad tile number (%d out of a maximum of %d)\n",
1254                                 tileno, (cp->tw * cp->th));
1255                         if (!JPWL_ASSUME) {
1256                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1257                                 return;
1258                         }
1259                         /* we try to correct */
1260                         tileno = backup_tileno;
1261                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1262                                 "- setting tile number to %d\n",
1263                                 tileno);
1264                 }
1265
1266                 /* keep your private count of tiles */
1267                 backup_tileno++;
1268         };
1269 #endif /* USE_JPWL */
1270
1271
1272         if (cp->tileno_size == 0) {
1273                 cp->tileno[cp->tileno_size] = tileno;
1274                 cp->tileno_size++;
1275         } else {
1276                 i = 0;
1277                 while (i < cp->tileno_size && status == 0) {
1278                         status = cp->tileno[i] == tileno ? 1 : 0;
1279                         i++;
1280                 }
1281                 if (status == 0) {
1282                         cp->tileno[cp->tileno_size] = tileno;
1283                         cp->tileno_size++;
1284                 }
1285         }
1286
1287         totlen = cio_read(cio, 4);
1288
1289 #ifdef USE_JPWL
1290         if (j2k->cp->correct) {
1291
1292                 /* totlen is negative or larger than the bytes left!!! */
1293                 if ((totlen < 0) || (totlen > (cio_numbytesleft(cio) + 8))) {
1294                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1295                                 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
1296                                 totlen, cio_numbytesleft(cio) + 8);
1297                         if (!JPWL_ASSUME) {
1298                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1299                                 return;
1300                         }
1301                         /* we try to correct */
1302                         totlen = 0;
1303                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1304                                 "- setting Psot to %d => assuming it is the last tile\n",
1305                                 totlen);
1306                 }
1307
1308         };
1309 #endif /* USE_JPWL */
1310
1311         if (!totlen)
1312                 totlen = cio_numbytesleft(cio) + 8;
1313
1314         partno = cio_read(cio, 1);
1315         numparts = cio_read(cio, 1);
1316
1317         j2k->curtileno = tileno;
1318         j2k->eot = cio_getbp(cio) - 12 + totlen;
1319         j2k->state = J2K_STATE_TPH;
1320         tcp = &cp->tcps[j2k->curtileno];
1321
1322         if (tcp->first == 1) {
1323
1324                 /* Initialization PPT */
1325                 opj_tccp_t *tmp = tcp->tccps;
1326                 memcpy(tcp, j2k->default_tcp, sizeof(opj_tcp_t));
1327                 tcp->ppt = 0;
1328                 tcp->ppt_data = NULL;
1329                 tcp->ppt_data_first = NULL;
1330                 tcp->tccps = tmp;
1331
1332                 for (i = 0; i < j2k->image->numcomps; i++) {
1333                         tcp->tccps[i] = j2k->default_tcp->tccps[i];
1334                 }
1335                 cp->tcps[j2k->curtileno].first = 0;
1336         }
1337 }
1338
1339 static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder) {
1340         int l, layno;
1341         int totlen;
1342         opj_tcp_t *tcp = NULL;
1343         opj_image_info_t *image_info = NULL;
1344
1345         opj_tcd_t *tcd = (opj_tcd_t*)tile_coder;        /* cast is needed because of conflicts in header inclusions */
1346         opj_cp_t *cp = j2k->cp;
1347         opj_cio_t *cio = j2k->cio;
1348
1349         tcd->tp_num = j2k->tp_num ;
1350         tcd->cur_tp_num = j2k->cur_tp_num;
1351
1352         cio_write(cio, J2K_MS_SOD, 2);
1353         if (j2k->curtileno == 0) {
1354                 j2k->sod_start = cio_tell(cio) + j2k->pos_correction;
1355         }
1356
1357         /* INDEX >> */
1358         image_info = j2k->image_info;
1359         if (image_info && image_info->index_on) {
1360                 if (!j2k->cur_tp_num ){
1361                         image_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1362                 }else{
1363                         if(image_info->tile[j2k->curtileno].packet[image_info->num - 1].end_pos < cio_tell(cio))
1364                                 image_info->tile[j2k->curtileno].packet[image_info->num].start_pos = cio_tell(cio);
1365                 }
1366         }
1367         /* << INDEX */
1368
1369         tcp = &cp->tcps[j2k->curtileno];
1370         for (layno = 0; layno < tcp->numlayers; layno++) {
1371                 tcp->rates[layno] -= tcp->rates[layno] ? (j2k->sod_start / (cp->th * cp->tw)) : 0;
1372         }
1373         if(image_info && (j2k->cur_tp_num == 0)) {
1374                 image_info->num = 0;
1375         }
1376
1377         l = tcd_encode_tile(tcd, j2k->curtileno, cio_getbp(cio), cio_numbytesleft(cio) - 2, image_info);
1378
1379         /* Writing Psot in SOT marker */
1380         totlen = cio_tell(cio) + l - j2k->sot_start;
1381         cio_seek(cio, j2k->sot_start + 6);
1382         cio_write(cio, totlen, 4);
1383         cio_seek(cio, j2k->sot_start + totlen);
1384         /* Writing Ttlm and Ptlm in TLM marker */
1385         if(cp->cinema){
1386                 cio_seek(cio, j2k->tlm_start + 6 + (5*j2k->cur_tp_num));
1387                 cio_write(cio, j2k->curtileno, 1);
1388                 cio_write(cio, totlen, 4);
1389         }
1390         cio_seek(cio, j2k->sot_start + totlen);
1391 }
1392
1393 static void j2k_read_sod(opj_j2k_t *j2k) {
1394         int len, truncate = 0, i;
1395         unsigned char *data = NULL, *data_ptr = NULL;
1396
1397         opj_cio_t *cio = j2k->cio;
1398         int curtileno = j2k->curtileno;
1399
1400         len = int_min(j2k->eot - cio_getbp(cio), cio_numbytesleft(cio) + 1);
1401
1402         if (len == cio_numbytesleft(cio) + 1) {
1403                 truncate = 1;           /* Case of a truncate codestream */
1404         }
1405
1406         data = (unsigned char *) opj_malloc((j2k->tile_len[curtileno] + len) * sizeof(unsigned char));
1407
1408         for (i = 0; i < j2k->tile_len[curtileno]; i++) {
1409                 data[i] = j2k->tile_data[curtileno][i];
1410         }
1411
1412         data_ptr = data + j2k->tile_len[curtileno];
1413         for (i = 0; i < len; i++) {
1414                 data_ptr[i] = cio_read(cio, 1);
1415         }
1416
1417         j2k->tile_len[curtileno] += len;
1418         opj_free(j2k->tile_data[curtileno]);
1419         j2k->tile_data[curtileno] = data;
1420
1421         if (!truncate) {
1422                 j2k->state = J2K_STATE_TPHSOT;
1423         } else {
1424                 j2k->state = J2K_STATE_NEOC;    /* RAJOUTE !! */
1425         }
1426 }
1427
1428 static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno) {
1429
1430         opj_cp_t *cp = j2k->cp;
1431         opj_tcp_t *tcp = &cp->tcps[tileno];
1432         opj_cio_t *cio = j2k->cio;
1433         int numcomps = j2k->image->numcomps;
1434
1435         cio_write(cio, J2K_MS_RGN, 2);                                          /* RGN  */
1436         cio_write(cio, numcomps <= 256 ? 5 : 6, 2);                     /* Lrgn */
1437         cio_write(cio, compno, numcomps <= 256 ? 1 : 2);        /* Crgn */
1438         cio_write(cio, 0, 1);                                                           /* Srgn */
1439         cio_write(cio, tcp->tccps[compno].roishift, 1);         /* SPrgn */
1440 }
1441
1442 static void j2k_read_rgn(opj_j2k_t *j2k) {
1443         int len, compno, roisty;
1444
1445         opj_cp_t *cp = j2k->cp;
1446         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
1447         opj_cio_t *cio = j2k->cio;
1448         int numcomps = j2k->image->numcomps;
1449
1450         len = cio_read(cio, 2);                                                                         /* Lrgn */
1451         compno = cio_read(cio, numcomps <= 256 ? 1 : 2);                        /* Crgn */
1452         roisty = cio_read(cio, 1);                                                                      /* Srgn */
1453
1454 #ifdef USE_JPWL
1455         if (j2k->cp->correct) {
1456                 /* totlen is negative or larger than the bytes left!!! */
1457                 if (compno >= numcomps) {
1458                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1459                                 "JPWL: bad component number in RGN (%d when there are only %d)\n",
1460                                 compno, numcomps);
1461                         if (!JPWL_ASSUME || JPWL_ASSUME) {
1462                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1463                                 return;
1464                         }
1465                 }
1466         };
1467 #endif /* USE_JPWL */
1468
1469         tcp->tccps[compno].roishift = cio_read(cio, 1);                         /* SPrgn */
1470 }
1471
1472 static void j2k_write_eoc(opj_j2k_t *j2k) {
1473         opj_cio_t *cio = j2k->cio;
1474         /* opj_event_msg(j2k->cinfo, "%.8x: EOC\n", cio_tell(cio) + j2k->pos_correction); */
1475         cio_write(cio, J2K_MS_EOC, 2);
1476 }
1477
1478 static void j2k_read_eoc(opj_j2k_t *j2k) {
1479         int i, tileno;
1480
1481         /* if packets should be decoded */
1482         if (j2k->cp->limit_decoding != DECODE_ALL_BUT_PACKETS) {
1483                 opj_tcd_t *tcd = tcd_create(j2k->cinfo);
1484                 tcd_malloc_decode(tcd, j2k->image, j2k->cp);
1485                 for (i = 0; i < j2k->cp->tileno_size; i++) {
1486                         tcd_malloc_decode_tile(tcd, j2k->image, j2k->cp, i);
1487                         tileno = j2k->cp->tileno[i];
1488                         tcd_decode_tile(tcd, j2k->tile_data[tileno], j2k->tile_len[tileno], tileno);
1489                         opj_free(j2k->tile_data[tileno]);
1490                         j2k->tile_data[tileno] = NULL;
1491                         tcd_free_decode_tile(tcd, i);
1492                 }
1493                 tcd_free_decode(tcd);
1494                 tcd_destroy(tcd);
1495         }
1496         /* if packets should not be decoded  */
1497         else {
1498                 for (i = 0; i < j2k->cp->tileno_size; i++) {
1499                         tileno = j2k->cp->tileno[i];
1500                         opj_free(j2k->tile_data[tileno]);
1501                         j2k->tile_data[tileno] = NULL;
1502                 }
1503         }
1504
1505         j2k->state = J2K_STATE_MT;
1506 }
1507
1508 typedef struct opj_dec_mstabent {
1509         /** marker value */
1510         int id;
1511         /** value of the state when the marker can appear */
1512         int states;
1513         /** action linked to the marker */
1514         void (*handler) (opj_j2k_t *j2k);
1515 } opj_dec_mstabent_t;
1516
1517 opj_dec_mstabent_t j2k_dec_mstab[] = {
1518   {J2K_MS_SOC, J2K_STATE_MHSOC, j2k_read_soc},
1519   {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot},
1520   {J2K_MS_SOD, J2K_STATE_TPH, j2k_read_sod},
1521   {J2K_MS_EOC, J2K_STATE_TPHSOT, j2k_read_eoc},
1522   {J2K_MS_SIZ, J2K_STATE_MHSIZ, j2k_read_siz},
1523   {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod},
1524   {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc},
1525   {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_rgn},
1526   {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcd},
1527   {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcc},
1528   {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_poc},
1529   {J2K_MS_TLM, J2K_STATE_MH, j2k_read_tlm},
1530   {J2K_MS_PLM, J2K_STATE_MH, j2k_read_plm},
1531   {J2K_MS_PLT, J2K_STATE_TPH, j2k_read_plt},
1532   {J2K_MS_PPM, J2K_STATE_MH, j2k_read_ppm},
1533   {J2K_MS_PPT, J2K_STATE_TPH, j2k_read_ppt},
1534   {J2K_MS_SOP, 0, 0},
1535   {J2K_MS_CRG, J2K_STATE_MH, j2k_read_crg},
1536   {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_com},
1537
1538 #ifdef USE_JPWL
1539   {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc},
1540   {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb},
1541   {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd},
1542   {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red},
1543 #endif /* USE_JPWL */
1544
1545   {0, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_unk}
1546 };
1547
1548 static void j2k_read_unk(opj_j2k_t *j2k) {
1549         opj_event_msg(j2k->cinfo, EVT_WARNING, "Unknown marker\n");
1550
1551 #ifdef USE_JPWL
1552         if (j2k->cp->correct) {
1553                 int m = 0, id, i;
1554                 int min_id = 0, min_dist = 17, cur_dist = 0, tmp_id;
1555                 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1556                 id = cio_read(j2k->cio, 2);
1557                 opj_event_msg(j2k->cinfo, EVT_ERROR,
1558                         "JPWL: really don't know this marker %x\n",
1559                         id);
1560                 if (!JPWL_ASSUME) {
1561                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1562                                 "- possible synch loss due to uncorrectable codestream errors => giving up\n");
1563                         return;
1564                 }
1565                 /* OK, activate this at your own risk!!! */
1566                 /* we look for the marker at the minimum hamming distance from this */
1567                 while (j2k_dec_mstab[m].id) {
1568
1569                         /* 1's where they differ */
1570                         tmp_id = j2k_dec_mstab[m].id ^ id;
1571
1572                         /* compute the hamming distance between our id and the current */
1573                         cur_dist = 0;
1574                         for (i = 0; i < 16; i++) {
1575                                 if ((tmp_id >> i) & 0x0001) {
1576                                         cur_dist++;
1577                                 }
1578                         }
1579
1580                         /* if current distance is smaller, set the minimum */
1581                         if (cur_dist < min_dist) {
1582                                 min_dist = cur_dist;
1583                                 min_id = j2k_dec_mstab[m].id;
1584                         }
1585
1586                         /* jump to the next marker */
1587                         m++;
1588                 }
1589
1590                 /* do we substitute the marker? */
1591                 if (min_dist < JPWL_MAXIMUM_HAMMING) {
1592                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1593                                 "- marker %x is at distance %d from the read %x\n",
1594                                 min_id, min_dist, id);
1595                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1596                                 "- trying to substitute in place and crossing fingers!\n");
1597                         cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1598                         cio_write(j2k->cio, min_id, 2);
1599
1600                         /* rewind */
1601                         cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1602
1603                 }
1604
1605         };
1606 #endif /* USE_JPWL */
1607
1608 }
1609
1610 /**
1611 Read the lookup table containing all the marker, status and action
1612 @param id Marker value
1613 */
1614 static opj_dec_mstabent_t *j2k_dec_mstab_lookup(int id) {
1615         opj_dec_mstabent_t *e;
1616         for (e = j2k_dec_mstab; e->id != 0; e++) {
1617                 if (e->id == id) {
1618                         break;
1619                 }
1620         }
1621         return e;
1622 }
1623
1624 /* ----------------------------------------------------------------------- */
1625 /* J2K / JPT decoder interface                                             */
1626 /* ----------------------------------------------------------------------- */
1627
1628 opj_j2k_t* j2k_create_decompress(opj_common_ptr cinfo) {
1629         opj_j2k_t *j2k = (opj_j2k_t*)opj_malloc(sizeof(opj_j2k_t));
1630         if(j2k) {
1631                 j2k->cinfo = cinfo;
1632                 j2k->default_tcp = (opj_tcp_t*)opj_malloc(sizeof(opj_tcp_t));
1633                 if(!j2k->default_tcp) {
1634                         opj_free(j2k);
1635                         return NULL;
1636                 }
1637         }
1638         return j2k;
1639 }
1640
1641 void j2k_destroy_decompress(opj_j2k_t *j2k) {
1642         int i = 0;
1643
1644         if(j2k->tile_len != NULL) {
1645                 opj_free(j2k->tile_len);
1646         }
1647         if(j2k->tile_data != NULL) {
1648                 opj_free(j2k->tile_data);
1649         }
1650         if(j2k->default_tcp != NULL) {
1651                 opj_tcp_t *default_tcp = j2k->default_tcp;
1652                 if(default_tcp->ppt_data_first != NULL) {
1653                         opj_free(default_tcp->ppt_data_first);
1654                 }
1655                 if(j2k->default_tcp->tccps != NULL) {
1656                         opj_free(j2k->default_tcp->tccps);
1657                 }
1658                 opj_free(j2k->default_tcp);
1659         }
1660         if(j2k->cp != NULL) {
1661                 opj_cp_t *cp = j2k->cp;
1662                 if(cp->tcps != NULL) {
1663                         for(i = 0; i < cp->tw * cp->th; i++) {
1664                                 if(cp->tcps[i].ppt_data_first != NULL) {
1665                                         opj_free(cp->tcps[i].ppt_data_first);
1666                                 }
1667                                 if(cp->tcps[i].tccps != NULL) {
1668                                         opj_free(cp->tcps[i].tccps);
1669                                 }
1670                         }
1671                         opj_free(cp->tcps);
1672                 }
1673                 if(cp->ppm_data_first != NULL) {
1674                         opj_free(cp->ppm_data_first);
1675                 }
1676                 if(cp->tileno != NULL) {
1677                         opj_free(cp->tileno);
1678                 }
1679                 if(cp->comment != NULL) {
1680                         opj_free(cp->comment);
1681                 }
1682
1683                 opj_free(cp);
1684         }
1685
1686         opj_free(j2k);
1687 }
1688
1689 void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters) {
1690         if(j2k && parameters) {
1691                 /* create and initialize the coding parameters structure */
1692                 opj_cp_t *cp = (opj_cp_t*)opj_malloc(sizeof(opj_cp_t));
1693                 cp->reduce = parameters->cp_reduce;
1694                 cp->layer = parameters->cp_layer;
1695                 cp->limit_decoding = parameters->cp_limit_decoding;
1696
1697 #ifdef USE_JPWL
1698                 cp->correct = parameters->jpwl_correct;
1699                 cp->exp_comps = parameters->jpwl_exp_comps;
1700                 cp->max_tiles = parameters->jpwl_max_tiles;
1701 #endif /* USE_JPWL */
1702
1703
1704                 /* keep a link to cp so that we can destroy it later in j2k_destroy_decompress */
1705                 j2k->cp = cp;
1706         }
1707 }
1708
1709 opj_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio) {
1710         opj_image_t *image = NULL;
1711
1712         opj_common_ptr cinfo = j2k->cinfo;
1713
1714         j2k->cio = cio;
1715
1716         /* create an empty image */
1717         image = opj_image_create0();
1718         j2k->image = image;
1719
1720         j2k->state = J2K_STATE_MHSOC;
1721
1722         for (;;) {
1723                 opj_dec_mstabent_t *e;
1724                 int id = cio_read(cio, 2);
1725
1726
1727 #ifdef USE_JPWL
1728                 /* we try to honor JPWL correction power */
1729                 if (j2k->cp->correct) {
1730
1731                         int orig_pos = cio_tell(cio);
1732                         bool status;
1733
1734                         /* call the corrector */
1735                         status = jpwl_correct(j2k);
1736
1737                         /* go back to where you were */
1738                         cio_seek(cio, orig_pos - 2);
1739
1740                         /* re-read the marker */
1741                         id = cio_read(cio, 2);
1742
1743                         /* check whether it begins with ff */
1744                         if (id >> 8 != 0xff) {
1745                                 opj_event_msg(cinfo, EVT_ERROR,
1746                                         "JPWL: possible bad marker %x at %d\n",
1747                                         id, cio_tell(cio) - 2);
1748                                 if (!JPWL_ASSUME) {
1749                                         opj_image_destroy(image);
1750                                         opj_event_msg(cinfo, EVT_ERROR, "JPWL: giving up\n");
1751                                         return 0;
1752                                 }
1753                                 /* we try to correct */
1754                                 id = id | 0xff00;
1755                                 cio_seek(cio, cio_tell(cio) - 2);
1756                                 cio_write(cio, id, 2);
1757                                 opj_event_msg(cinfo, EVT_WARNING, "- trying to adjust this\n"
1758                                         "- setting marker to %x\n",
1759                                         id);
1760                         }
1761
1762                 }
1763 #endif /* USE_JPWL */
1764
1765                 if (id >> 8 != 0xff) {
1766                         opj_image_destroy(image);
1767                         opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1768                         return 0;
1769                 }
1770                 e = j2k_dec_mstab_lookup(id);
1771                 // Check if the marker is known
1772                 if (!(j2k->state & e->states)) {
1773                         opj_image_destroy(image);
1774                         opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
1775                         return 0;
1776                 }
1777                 // Check if the decoding is limited to the main header
1778                 if (e->id == J2K_MS_SOT && j2k->cp->limit_decoding == LIMIT_TO_MAIN_HEADER) {
1779                         opj_event_msg(cinfo, EVT_INFO, "Main Header decoded.\n");
1780                         return image;
1781                 }
1782
1783                 if (e->handler) {
1784                         (*e->handler)(j2k);
1785                 }
1786                 if (j2k->state == J2K_STATE_MT) {
1787                         break;
1788                 }
1789                 if (j2k->state == J2K_STATE_NEOC) {
1790                         break;
1791                 }
1792         }
1793         if (j2k->state == J2K_STATE_NEOC) {
1794                 j2k_read_eoc(j2k);
1795         }
1796
1797         if (j2k->state != J2K_STATE_MT) {
1798                 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
1799         }
1800
1801         return image;
1802 }
1803
1804 /*
1805 * Read a JPT-stream and decode file
1806 *
1807 */
1808 opj_image_t* j2k_decode_jpt_stream(opj_j2k_t *j2k, opj_cio_t *cio) {
1809         opj_image_t *image = NULL;
1810         opj_jpt_msg_header_t header;
1811         int position;
1812
1813         opj_common_ptr cinfo = j2k->cinfo;
1814
1815         j2k->cio = cio;
1816
1817         /* create an empty image */
1818         image = opj_image_create0();
1819
1820         j2k->state = J2K_STATE_MHSOC;
1821
1822         /* Initialize the header */
1823         jpt_init_msg_header(&header);
1824         /* Read the first header of the message */
1825         jpt_read_msg_header(cinfo, cio, &header);
1826
1827         position = cio_tell(cio);
1828         if (header.Class_Id != 6) {     /* 6 : Main header data-bin message */
1829                 opj_image_destroy(image);
1830                 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Main header first [class_Id %d] !\n", header.Class_Id);
1831                 return 0;
1832         }
1833
1834         for (;;) {
1835                 opj_dec_mstabent_t *e = NULL;
1836                 int id;
1837
1838                 if (!cio_numbytesleft(cio)) {
1839                         j2k_read_eoc(j2k);
1840                         return image;
1841                 }
1842                 /* data-bin read -> need to read a new header */
1843                 if ((unsigned int) (cio_tell(cio) - position) == header.Msg_length) {
1844                         jpt_read_msg_header(cinfo, cio, &header);
1845                         position = cio_tell(cio);
1846                         if (header.Class_Id != 4) {     /* 4 : Tile data-bin message */
1847                                 opj_image_destroy(image);
1848                                 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Tile info !\n");
1849                                 return 0;
1850                         }
1851                 }
1852
1853                 id = cio_read(cio, 2);
1854                 if (id >> 8 != 0xff) {
1855                         opj_image_destroy(image);
1856                         opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1857                         return 0;
1858                 }
1859                 e = j2k_dec_mstab_lookup(id);
1860                 if (!(j2k->state & e->states)) {
1861                         opj_image_destroy(image);
1862                         opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
1863                         return 0;
1864                 }
1865                 if (e->handler) {
1866                         (*e->handler)(j2k);
1867                 }
1868                 if (j2k->state == J2K_STATE_MT) {
1869                         break;
1870                 }
1871                 if (j2k->state == J2K_STATE_NEOC) {
1872                         break;
1873                 }
1874         }
1875         if (j2k->state == J2K_STATE_NEOC) {
1876                 j2k_read_eoc(j2k);
1877         }
1878
1879         if (j2k->state != J2K_STATE_MT) {
1880                 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
1881         }
1882
1883         return image;
1884 }
1885
1886 /* ----------------------------------------------------------------------- */
1887 /* J2K encoder interface                                                       */
1888 /* ----------------------------------------------------------------------- */
1889
1890 opj_j2k_t* j2k_create_compress(opj_common_ptr cinfo) {
1891         opj_j2k_t *j2k = (opj_j2k_t*)opj_malloc(sizeof(opj_j2k_t));
1892         if(j2k) {
1893                 j2k->cinfo = cinfo;
1894         }
1895         return j2k;
1896 }
1897
1898 void j2k_destroy_compress(opj_j2k_t *j2k) {
1899         int tileno;
1900
1901         if(!j2k) return;
1902
1903         if(j2k->image_info != NULL) {
1904                 opj_image_info_t *image_info = j2k->image_info;
1905                 if (image_info->index_on && j2k->cp) {
1906                         opj_cp_t *cp = j2k->cp;
1907                         for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
1908                                 opj_tile_info_t *tile_info = &image_info->tile[tileno];
1909                                 opj_free(tile_info->thresh);
1910                                 opj_free(tile_info->packet);
1911                         }
1912                         opj_free(image_info->tile);
1913                 }
1914                 opj_free(image_info);
1915         }
1916         if(j2k->cp != NULL) {
1917                 opj_cp_t *cp = j2k->cp;
1918
1919                 if(cp->comment) {
1920                         opj_free(cp->comment);
1921                 }
1922                 if(cp->matrice) {
1923                         opj_free(cp->matrice);
1924                 }
1925                 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
1926                         opj_free(cp->tcps[tileno].tccps);
1927                 }
1928                 opj_free(cp->tcps);
1929                 opj_free(cp);
1930         }
1931
1932         opj_free(j2k);
1933 }
1934
1935 void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image) {
1936         int i, j, tileno, numpocs_tile;
1937         opj_cp_t *cp = NULL;
1938
1939         if(!j2k || !parameters || ! image) {
1940                 return;
1941         }
1942
1943         /* create and initialize the coding parameters structure */
1944         cp = (opj_cp_t*)opj_malloc(sizeof(opj_cp_t));
1945
1946         /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
1947         j2k->cp = cp;
1948
1949         /* set default values for cp */
1950         cp->tw = 1;
1951         cp->th = 1;
1952
1953         /*
1954         copy user encoding parameters
1955         */
1956         cp->cinema = parameters->cp_cinema;
1957         cp->max_comp_size =     parameters->max_comp_size;
1958         cp->rsiz   = parameters->cp_rsiz;
1959         cp->disto_alloc = parameters->cp_disto_alloc;
1960         cp->fixed_alloc = parameters->cp_fixed_alloc;
1961         cp->fixed_quality = parameters->cp_fixed_quality;
1962
1963         /* mod fixed_quality */
1964         if(parameters->cp_matrice) {
1965                 size_t array_size = parameters->tcp_numlayers * parameters->numresolution * 3 * sizeof(int);
1966                 cp->matrice = (int *) opj_malloc(array_size);
1967                 memcpy(cp->matrice, parameters->cp_matrice, array_size);
1968         }
1969
1970         /* creation of an index file ? */
1971         cp->index_on = parameters->index_on;
1972         if(cp->index_on) {
1973                 j2k->image_info = (opj_image_info_t*)opj_malloc(sizeof(opj_image_info_t));
1974         }
1975
1976         /* tiles */
1977         cp->tdx = parameters->cp_tdx;
1978         cp->tdy = parameters->cp_tdy;
1979
1980         /* tile offset */
1981         cp->tx0 = parameters->cp_tx0;
1982         cp->ty0 = parameters->cp_ty0;
1983
1984         /* comment string */
1985         if(parameters->cp_comment) {
1986                 cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1);
1987                 if(cp->comment) {
1988                         strcpy(cp->comment, parameters->cp_comment);
1989                 }
1990         }
1991
1992         /*
1993         calculate other encoding parameters
1994         */
1995
1996         if (parameters->tile_size_on) {
1997                 cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
1998                 cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
1999         } else {
2000                 cp->tdx = image->x1 - cp->tx0;
2001                 cp->tdy = image->y1 - cp->ty0;
2002         }
2003
2004         if(parameters->tp_on){
2005                 cp->tp_flag = parameters->tp_flag;
2006                 cp->tp_on = 1;
2007         }
2008
2009         cp->img_size = 0;
2010         for(i=0;i<image->numcomps ;i++){
2011         cp->img_size += (image->comps[i].w *image->comps[i].h * image->comps[i].prec);
2012         }
2013
2014
2015 #ifdef USE_JPWL
2016         /*
2017         calculate JPWL encoding parameters
2018         */
2019
2020         if (parameters->jpwl_epc_on) {
2021                 int i;
2022
2023                 /* set JPWL on */
2024                 cp->epc_on = true;
2025                 cp->info_on = false; /* no informative technique */
2026
2027                 /* set EPB on */
2028                 if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
2029                         cp->epb_on = true;
2030
2031                         cp->hprot_MH = parameters->jpwl_hprot_MH;
2032                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2033                                 cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
2034                                 cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
2035                         }
2036                         /* if tile specs are not specified, copy MH specs */
2037                         if (cp->hprot_TPH[0] == -1) {
2038                                 cp->hprot_TPH_tileno[0] = 0;
2039                                 cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
2040                         }
2041                         for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
2042                                 cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
2043                                 cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
2044                                 cp->pprot[i] = parameters->jpwl_pprot[i];
2045                         }
2046                 }
2047
2048                 /* set ESD writing */
2049                 if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
2050                         cp->esd_on = true;
2051
2052                         cp->sens_size = parameters->jpwl_sens_size;
2053                         cp->sens_addr = parameters->jpwl_sens_addr;
2054                         cp->sens_range = parameters->jpwl_sens_range;
2055
2056                         cp->sens_MH = parameters->jpwl_sens_MH;
2057                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2058                                 cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
2059                                 cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
2060                         }
2061                 }
2062
2063                 /* always set RED writing to false: we are at the encoder */
2064                 cp->red_on = false;
2065
2066         } else {
2067                 cp->epc_on = false;
2068         }
2069 #endif /* USE_JPWL */
2070
2071
2072         /* initialize the mutiple tiles */
2073         /* ---------------------------- */
2074         cp->tcps = (opj_tcp_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tcp_t));
2075
2076         for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2077                 opj_tcp_t *tcp = &cp->tcps[tileno];
2078                 tcp->numlayers = parameters->tcp_numlayers;
2079                 for (j = 0; j < tcp->numlayers; j++) {
2080                         if(cp->cinema){
2081                                 if (cp->fixed_quality) {
2082                                         tcp->distoratio[j] = parameters->tcp_distoratio[j];
2083                                 }
2084                                 tcp->rates[j] = parameters->tcp_rates[j];
2085                         }else{
2086                                 if (cp->fixed_quality) {        /* add fixed_quality */
2087                                         tcp->distoratio[j] = parameters->tcp_distoratio[j];
2088                                 } else {
2089                                         tcp->rates[j] = parameters->tcp_rates[j];
2090                                 }
2091                         }
2092                 }
2093                 tcp->csty = parameters->csty;
2094                 tcp->prg = parameters->prog_order;
2095                 tcp->mct = parameters->tcp_mct;
2096
2097                 numpocs_tile = 0;
2098                 tcp->POC = 0;
2099                 if (parameters->numpocs) {
2100                         /* initialisation of POC */
2101                         tcp->POC = 1;
2102                         j2k_check_poc_val(parameters, image->numcomps, tcp->numlayers);
2103                         for (i = 0; i < parameters->numpocs; i++) {
2104                                 if((tileno == parameters->POC[i].tile - 1) || (parameters->POC[i].tile == -1)) {
2105                                         opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
2106                                         tcp_poc->resno0         = parameters->POC[numpocs_tile].resno0;
2107                                         tcp_poc->compno0        = parameters->POC[numpocs_tile].compno0;
2108                                         tcp_poc->layno1         = parameters->POC[numpocs_tile].layno1;
2109                                         tcp_poc->resno1         = parameters->POC[numpocs_tile].resno1;
2110                                         tcp_poc->compno1        = parameters->POC[numpocs_tile].compno1;
2111                                         tcp_poc->prg1           = parameters->POC[numpocs_tile].prg1;
2112                                         tcp_poc->tile           = parameters->POC[numpocs_tile].tile;
2113                                         numpocs_tile++;
2114                                 }
2115                         }
2116                         tcp->numpocs = numpocs_tile -1 ;
2117                 }else{
2118                         tcp->numpocs = 0;
2119                 }
2120
2121                 tcp->tccps = (opj_tccp_t *) opj_malloc(image->numcomps * sizeof(opj_tccp_t));
2122
2123                 for (i = 0; i < image->numcomps; i++) {
2124                         opj_tccp_t *tccp = &tcp->tccps[i];
2125                         tccp->csty = parameters->csty & 0x01;   /* 0 => one precinct || 1 => custom precinct  */
2126                         tccp->numresolutions = parameters->numresolution;
2127                         tccp->cblkw = int_floorlog2(parameters->cblockw_init);
2128                         tccp->cblkh = int_floorlog2(parameters->cblockh_init);
2129                         tccp->cblksty = parameters->mode;
2130                         tccp->qmfbid = parameters->irreversible ? 0 : 1;
2131                         tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
2132                         tccp->numgbits = 2;
2133                         if (i == parameters->roi_compno) {
2134                                 tccp->roishift = parameters->roi_shift;
2135                         } else {
2136                                 tccp->roishift = 0;
2137                         }
2138
2139                         if(parameters->cp_cinema)
2140                         {
2141                                 //Precinct size for lowest frequency subband=128
2142                                 tccp->prcw[0] = 7;
2143                                 tccp->prch[0] = 7;
2144                                 //Precinct size at all other resolutions = 256
2145                                 for (j = 1; j < tccp->numresolutions; j++) {
2146                                         tccp->prcw[j] = 8;
2147                                         tccp->prch[j] = 8;
2148                                 }
2149                         }else{
2150                                 if (parameters->csty & J2K_CCP_CSTY_PRT) {
2151                                         int p = 0;
2152                                         for (j = tccp->numresolutions - 1; j >= 0; j--) {
2153                                                 if (p < parameters->res_spec) {
2154
2155                                                         if (parameters->prcw_init[p] < 1) {
2156                                                                 tccp->prcw[j] = 1;
2157                                                         } else {
2158                                                                 tccp->prcw[j] = int_floorlog2(parameters->prcw_init[p]);
2159                                                         }
2160
2161                                                         if (parameters->prch_init[p] < 1) {
2162                                                                 tccp->prch[j] = 1;
2163                                                         }else {
2164                                                                 tccp->prch[j] = int_floorlog2(parameters->prch_init[p]);
2165                                                         }
2166
2167                                                 } else {
2168                                                         int res_spec = parameters->res_spec;
2169                                                         int size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
2170                                                         int size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
2171
2172                                                         if (size_prcw < 1) {
2173                                                                 tccp->prcw[j] = 1;
2174                                                         } else {
2175                                                                 tccp->prcw[j] = int_floorlog2(size_prcw);
2176                                                         }
2177
2178                                                         if (size_prch < 1) {
2179                                                                 tccp->prch[j] = 1;
2180                                                         } else {
2181                                                                 tccp->prch[j] = int_floorlog2(size_prch);
2182                                                         }
2183                                                 }
2184                                                 p++;
2185                                                 /*printf("\nsize precinct for level %d : %d,%d\n", j,tccp->prcw[j], tccp->prch[j]); */
2186                                         }       //end for
2187                                 } else {
2188                                         for (j = 0; j < tccp->numresolutions; j++) {
2189                                                 tccp->prcw[j] = 15;
2190                                                 tccp->prch[j] = 15;
2191                                         }
2192                                 }
2193                         }
2194
2195                         dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
2196                 }
2197         }
2198 }
2199
2200 /**
2201 Create an index file
2202 @param j2k
2203 @param cio
2204 @param image_info
2205 @param index Index filename
2206 @return Returns 1 if successful, returns 0 otherwise
2207 */
2208 static int j2k_create_index(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_info_t *image_info, char *index) {
2209         int tileno, compno, layno, resno, precno, pack_nb, x, y;
2210         FILE *stream = NULL;
2211         double total_disto = 0;
2212
2213         image_info->codestream_size = cio_tell(cio) + j2k->pos_correction;      /* Correction 14/4/03 suite rmq de Patrick */
2214
2215
2216 #ifdef USE_JPWL
2217         /* if JPWL is enabled and the name coincides with our own set
2218            then discard the creation of the file: this was just done to
2219            enable indexing, we do not want an index file
2220         */
2221         if (j2k->cp->epc_on && !strcmp(index, JPWL_PRIVATEINDEX_NAME))
2222                 return 1;
2223 #endif /* USE_JPWL */
2224
2225
2226         stream = fopen(index, "w");
2227         if (!stream) {
2228                 opj_event_msg(j2k->cinfo, EVT_ERROR, "failed to open %s for writing\n", index);
2229                 return 0;
2230         }
2231
2232         fprintf(stream, "%d %d\n", image_info->image_w, image_info->image_h);
2233         fprintf(stream, "%d\n", image_info->prog);
2234         fprintf(stream, "%d %d\n", image_info->tile_x, image_info->tile_y);
2235         fprintf(stream, "%d %d\n", image_info->tw, image_info->th);
2236         fprintf(stream, "%d\n", image_info->comp);
2237         fprintf(stream, "%d\n", image_info->layer);
2238         fprintf(stream, "%d\n", image_info->decomposition);
2239
2240         for (resno = image_info->decomposition; resno >= 0; resno--) {
2241                 fprintf(stream, "[%d,%d] ",
2242                         (1 << image_info->tile[0].pdx[resno]), (1 << image_info->tile[0].pdx[resno]));  /* based on tile 0 */
2243         }
2244         fprintf(stream, "\n");
2245         fprintf(stream, "%d\n", image_info->main_head_end);
2246         fprintf(stream, "%d\n", image_info->codestream_size);
2247
2248         for (tileno = 0; tileno < image_info->tw * image_info->th; tileno++) {
2249                 fprintf(stream, "%4d %9d %9d %9d %9e %9d %9e\n",
2250                         image_info->tile[tileno].num_tile,
2251                         image_info->tile[tileno].start_pos,
2252                         image_info->tile[tileno].end_header,
2253                         image_info->tile[tileno].end_pos,
2254                         image_info->tile[tileno].distotile, image_info->tile[tileno].nbpix,
2255                         image_info->tile[tileno].distotile / image_info->tile[tileno].nbpix);
2256         }
2257
2258         for (tileno = 0; tileno < image_info->tw * image_info->th; tileno++) {
2259                 int start_pos, end_pos;
2260                 double disto = 0;
2261                 pack_nb = 0;
2262
2263                 if (image_info->prog == LRCP) { /* LRCP */
2264
2265                         fprintf(stream, "pack_nb tileno layno resno compno precno start_pos  end_pos disto\n");
2266
2267                         for (layno = 0; layno < image_info->layer; layno++) {
2268                                 for (resno = 0; resno < image_info->decomposition + 1; resno++) {
2269                                         for (compno = 0; compno < image_info->comp; compno++) {
2270                                                 int prec_max = image_info->tile[tileno].pw[resno] * image_info->tile[tileno].ph[resno];
2271                                                 for (precno = 0; precno < prec_max; precno++) {
2272                                                         start_pos = image_info->tile[tileno].packet[pack_nb].start_pos;
2273                                                         end_pos = image_info->tile[tileno].packet[pack_nb].end_pos;
2274                                                         disto = image_info->tile[tileno].packet[pack_nb].disto;
2275                                                         fprintf(stream, "%4d %6d %7d %5d %6d %6d %9d %9d %8e\n",
2276                                                                 pack_nb, tileno, layno, resno, compno, precno, start_pos, end_pos, disto);
2277                                                         total_disto += disto;
2278                                                         pack_nb++;
2279                                                 }
2280                                         }
2281                                 }
2282                         }
2283                 } /* LRCP */
2284                 else if (image_info->prog == RLCP) {    /* RLCP */
2285
2286                         fprintf(stream, "pack_nb tileno resno layno compno precno start_pos  end_pos disto\n");
2287
2288                         for (resno = 0; resno < image_info->decomposition + 1; resno++) {
2289                                 for (layno = 0; layno < image_info->layer; layno++) {
2290                                         for (compno = 0; compno < image_info->comp; compno++) {
2291                                                 int prec_max = image_info->tile[tileno].pw[resno] * image_info->tile[tileno].ph[resno];
2292                                                 for (precno = 0; precno < prec_max; precno++) {
2293                                                         start_pos = image_info->tile[tileno].packet[pack_nb].start_pos;
2294                                                         end_pos = image_info->tile[tileno].packet[pack_nb].end_pos;
2295                                                         disto = image_info->tile[tileno].packet[pack_nb].disto;
2296                                                         fprintf(stream, "%4d %6d %5d %7d %6d %6d %9d %9d %8e\n",
2297                                                                 pack_nb, tileno, resno, layno, compno, precno, start_pos, end_pos, disto);
2298                                                         total_disto += disto;
2299                                                         pack_nb++;
2300                                                 }
2301                                         }
2302                                 }
2303                         }
2304                 } /* RLCP */
2305                 else if (image_info->prog == RPCL) {    /* RPCL */
2306
2307                         fprintf(stream, "\npack_nb tileno resno precno compno layno start_pos  end_pos disto\n");
2308
2309                         for (resno = 0; resno < image_info->decomposition + 1; resno++) {
2310                                 /* I suppose components have same XRsiz, YRsiz */
2311                                 int x0 = image_info->tile_Ox + tileno - (int)floor( (float)tileno/(float)image_info->tw ) * image_info->tw * image_info->tile_x;
2312                                 int y0 = image_info->tile_Ox + (int)floor( (float)tileno/(float)image_info->tw ) * image_info->tile_y;
2313                                 int x1 = x0 + image_info->tile_x;
2314                                 int y1 = y0 + image_info->tile_y;
2315                                 for (compno = 0; compno < image_info->comp; compno++) {
2316                                         int prec_max = image_info->tile[tileno].pw[resno] * image_info->tile[tileno].ph[resno];
2317                                         for (precno = 0; precno < prec_max; precno++) {
2318                                                 int pcnx = image_info->tile[tileno].pw[resno];
2319                                                 int pcx = (int) pow( 2, image_info->tile[tileno].pdx[resno] + image_info->decomposition - resno );
2320                                                 int pcy = (int) pow( 2, image_info->tile[tileno].pdy[resno] + image_info->decomposition - resno );
2321                                                 int precno_x = precno - (int) floor( (float)precno/(float)pcnx ) * pcnx;
2322                                                 int precno_y = (int) floor( (float)precno/(float)pcnx );
2323                                                 for(y = y0; y < y1; y++) {
2324                                                         if (precno_y*pcy == y ) {
2325                                                                 for (x = x0; x < x1; x++) {
2326                                                                         if (precno_x*pcx == x ) {
2327                                                                                 for (layno = 0; layno < image_info->layer; layno++) {
2328                                                                                         start_pos = image_info->tile[tileno].packet[pack_nb].start_pos;
2329                                                                                         end_pos = image_info->tile[tileno].packet[pack_nb].end_pos;
2330                                                                                         disto = image_info->tile[tileno].packet[pack_nb].disto;
2331                                                                                         fprintf(stream, "%4d %6d %5d %6d %6d %7d %9d %9d %8e\n",
2332                                                                                                 pack_nb, tileno, resno, precno, compno, layno, start_pos, end_pos, disto);
2333                                                                                         total_disto += disto;
2334                                                                                         pack_nb++;
2335                                                                                 }
2336                                                                         }
2337                                                                 }/* x = x0..x1 */
2338                                                         }
2339                                                 }  /* y = y0..y1 */
2340                                         } /* precno */
2341                                 } /* compno */
2342                         } /* resno */
2343                 } /* RPCL */
2344                 else if (image_info->prog == PCRL) {    /* PCRL */
2345                         /* I suppose components have same XRsiz, YRsiz */
2346                         int x0 = image_info->tile_Ox + tileno - (int)floor( (float)tileno/(float)image_info->tw ) * image_info->tw * image_info->tile_x;
2347                         int y0 = image_info->tile_Ox + (int)floor( (float)tileno/(float)image_info->tw ) * image_info->tile_y;
2348                         int x1 = x0 + image_info->tile_x;
2349                         int y1 = y0 + image_info->tile_y;
2350
2351                         fprintf(stream, "\npack_nb tileno precno compno resno layno start_pos  end_pos disto\n");
2352
2353                         for (compno = 0; compno < image_info->comp; compno++) {
2354                                 for (resno = 0; resno < image_info->decomposition + 1; resno++) {
2355                                         int prec_max = image_info->tile[tileno].pw[resno] * image_info->tile[tileno].ph[resno];
2356                                         for (precno = 0; precno < prec_max; precno++) {
2357                                                 int pcnx = image_info->tile[tileno].pw[resno];
2358                                                 int pcx = (int) pow( 2, image_info->tile[tileno].pdx[resno] + image_info->decomposition - resno );
2359                                                 int pcy = (int) pow( 2, image_info->tile[tileno].pdy[resno] + image_info->decomposition - resno );
2360                                                 int precno_x = precno - (int) floor( (float)precno/(float)pcnx ) * pcnx;
2361                                                 int precno_y = (int) floor( (float)precno/(float)pcnx );
2362                                                 for(y = y0; y < y1; y++) {
2363                                                         if (precno_y*pcy == y ) {
2364                                                                 for (x = x0; x < x1; x++) {
2365                                                                         if (precno_x*pcx == x ) {
2366                                                                                 for (layno = 0; layno < image_info->layer; layno++) {
2367                                                                                         start_pos = image_info->tile[tileno].packet[pack_nb].start_pos;
2368                                                                                         end_pos = image_info->tile[tileno].packet[pack_nb].end_pos;
2369                                                                                         disto = image_info->tile[tileno].packet[pack_nb].disto;
2370                                                                                         fprintf(stream, "%4d %6d %6d %6d %5d %7d %9d %9d %8e\n",
2371                                                                                                 pack_nb, tileno, precno, compno, resno, layno, start_pos, end_pos, disto);
2372                                                                                         total_disto += disto;
2373                                                                                         pack_nb++;
2374                                                                                 }
2375                                                                         }
2376                                                                 }/* x = x0..x1 */
2377                                                         }
2378                                                 }  /* y = y0..y1 */
2379                                         } /* precno */
2380                                 } /* resno */
2381                         } /* compno */
2382                 } /* PCRL */
2383                 else {  /* CPRL */
2384
2385                         fprintf(stream, "\npack_nb tileno compno precno resno layno start_pos  end_pos disto\n");
2386
2387                         for (compno = 0; compno < image_info->comp; compno++) {
2388                                 /* I suppose components have same XRsiz, YRsiz */
2389                                 int x0 = image_info->tile_Ox + tileno - (int)floor( (float)tileno/(float)image_info->tw ) * image_info->tw * image_info->tile_x;
2390                                 int y0 = image_info->tile_Ox + (int)floor( (float)tileno/(float)image_info->tw ) * image_info->tile_y;
2391                                 int x1 = x0 + image_info->tile_x;
2392                                 int y1 = y0 + image_info->tile_y;
2393
2394                                 for (resno = 0; resno < image_info->decomposition + 1; resno++) {
2395                                         int prec_max = image_info->tile[tileno].pw[resno] * image_info->tile[tileno].ph[resno];
2396                                         for (precno = 0; precno < prec_max; precno++) {
2397                                                 int pcnx = image_info->tile[tileno].pw[resno];
2398                                                 int pcx = (int) pow( 2, image_info->tile[tileno].pdx[resno] + image_info->decomposition - resno );
2399                                                 int pcy = (int) pow( 2, image_info->tile[tileno].pdy[resno] + image_info->decomposition - resno );
2400                                                 int precno_x = precno - (int) floor( (float)precno/(float)pcnx ) * pcnx;
2401                                                 int precno_y = (int) floor( (float)precno/(float)pcnx );
2402                                                 for(y = y0; y < y1; y++) {
2403                                                         if (precno_y*pcy == y ) {
2404                                                                 for (x = x0; x < x1; x++) {
2405                                                                         if (precno_x*pcx == x ) {
2406                                                                                 for (layno = 0; layno < image_info->layer; layno++) {
2407                                                                                         start_pos = image_info->tile[tileno].packet[pack_nb].start_pos;
2408                                                                                         end_pos = image_info->tile[tileno].packet[pack_nb].end_pos;
2409                                                                                         disto = image_info->tile[tileno].packet[pack_nb].disto;
2410                                                                                         fprintf(stream, "%4d %6d %6d %6d %5d %7d %9d %9d %8e\n",
2411                                                                                                 pack_nb, tileno, compno, precno, resno, layno, start_pos, end_pos, disto);
2412                                                                                         total_disto += disto;
2413                                                                                         pack_nb++;
2414                                                                                 }
2415                                                                         }
2416                                                                 }/* x = x0..x1 */
2417                                                         }
2418                                                 } /* y = y0..y1 */
2419                                         } /* precno */
2420                                 } /* resno */
2421                         } /* compno */
2422                 } /* CPRL */
2423         } /* tileno */
2424
2425         fprintf(stream, "%8e\n", image_info->D_max); /* SE max */
2426         fprintf(stream, "%.8e\n", total_disto); /* SE totale */
2427         fclose(stream);
2428
2429         return 1;
2430 }
2431
2432 bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, char *index) {
2433         int tileno, compno;
2434         opj_image_info_t *image_info = NULL;
2435         opj_cp_t *cp = NULL;
2436
2437         opj_tcd_t *tcd = NULL;  /* TCD component */
2438
2439         j2k->cio = cio;
2440         j2k->image = image;
2441
2442         cp = j2k->cp;
2443
2444         /* j2k_dump_cp(stdout, image, cp); */
2445
2446         /* INDEX >> */
2447         image_info = j2k->image_info;
2448         if (image_info && cp->index_on) {
2449                 image_info->index_on = cp->index_on;
2450                 image_info->tile = (opj_tile_info_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tile_info_t));
2451                 image_info->image_w = image->x1 - image->x0;
2452                 image_info->image_h = image->y1 - image->y0;
2453                 image_info->prog = (&cp->tcps[0])->prg;
2454                 image_info->tw = cp->tw;
2455                 image_info->th = cp->th;
2456                 image_info->tile_x = cp->tdx;   /* new version parser */
2457                 image_info->tile_y = cp->tdy;   /* new version parser */
2458                 image_info->tile_Ox = cp->tx0;  /* new version parser */
2459                 image_info->tile_Oy = cp->ty0;  /* new version parser */
2460                 image_info->comp = image->numcomps;
2461                 image_info->layer = (&cp->tcps[0])->numlayers;
2462                 image_info->decomposition = (&cp->tcps[0])->tccps->numresolutions - 1;
2463                 image_info->D_max = 0;          /* ADD Marcela */
2464         }
2465         /* << INDEX */
2466
2467         j2k_write_soc(j2k);
2468         j2k_write_siz(j2k);
2469         j2k_write_cod(j2k);
2470         j2k_write_qcd(j2k);
2471
2472         if(cp->cinema){
2473                 for (compno = 1; compno < image->numcomps; compno++) {
2474                         j2k_write_coc(j2k, compno);
2475                         j2k_write_qcc(j2k, compno);
2476                 }
2477         }
2478
2479         for (compno = 0; compno < image->numcomps; compno++) {
2480                 opj_tcp_t *tcp = &cp->tcps[0];
2481                 if (tcp->tccps[compno].roishift)
2482                         j2k_write_rgn(j2k, compno, 0);
2483         }
2484         if (cp->comment != NULL) {
2485                 j2k_write_com(j2k);
2486         }
2487         /* INDEX >> */
2488         if(image_info && image_info->index_on) {
2489                 image_info->main_head_end = cio_tell(cio) - 1;
2490         }
2491         /* << INDEX */
2492
2493         j2k->totnum_tp = j2k_calculate_tp(cp,image->numcomps,image,j2k);
2494         /*       TLM Marker*/
2495         if(cp->cinema){
2496                 j2k_write_tlm(j2k);
2497                 if (cp->cinema == CINEMA4K_24) {
2498                         j2k_write_poc(j2k);
2499                 }
2500         }
2501         /**** Main Header ENDS here ***/
2502
2503         /* create the tile encoder */
2504         tcd = tcd_create(j2k->cinfo);
2505
2506         /* encode each tile */
2507
2508         for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2509                 int pino;
2510                 int tilepartno=0;
2511
2512                 opj_tcp_t *tcp = &cp->tcps[tileno];
2513                 opj_event_msg(j2k->cinfo, EVT_INFO, "tile number %d / %d\n", tileno + 1, cp->tw * cp->th);
2514
2515                 j2k->curtileno = tileno;
2516                 j2k->cur_tp_num = 0;
2517                 tcd->cur_totnum_tp = j2k->cur_totnum_tp[j2k->curtileno];
2518                 /* initialisation before tile encoding  */
2519                 if (tileno == 0) {
2520                         tcd_malloc_encode(tcd, image, cp, j2k->curtileno);
2521                 } else {
2522                         tcd_init_encode(tcd, image, cp, j2k->curtileno);
2523                 }
2524
2525                 /* INDEX >> */
2526                 if(image_info && image_info->index_on) {
2527                         image_info->tile[j2k->curtileno].num_tile = j2k->curtileno;
2528                         image_info->tile[j2k->curtileno].start_pos = cio_tell(cio) + j2k->pos_correction;
2529                 }
2530                 /* << INDEX */
2531
2532                 for(pino = 0; pino <= tcp->numpocs; pino++) {
2533                         int tot_num_tp;
2534                         tcd->cur_pino=pino;
2535
2536                         /*Get number of tile parts*/
2537                         tot_num_tp = j2k_get_num_tp(cp,pino,tileno);
2538                         tcd->tp_pos = cp->tp_pos;
2539
2540                         for(tilepartno = 0; tilepartno < tot_num_tp ; tilepartno++){
2541                                 j2k->tp_num = tilepartno;
2542                                 j2k_write_sot(j2k);
2543
2544                                 if(j2k->cur_tp_num == 0 && cp->cinema == 0){
2545                                         for (compno = 1; compno < image->numcomps; compno++) {
2546                                                 j2k_write_coc(j2k, compno);
2547                                                 j2k_write_qcc(j2k, compno);
2548                                         }
2549                                         if (cp->tcps[tileno].numpocs) {
2550                                                 j2k_write_poc(j2k);
2551                                         }
2552                                 }
2553
2554                                 j2k_write_sod(j2k, tcd);
2555                                 j2k->cur_tp_num ++;
2556                         }
2557
2558                 }
2559                 /* INDEX >> */
2560                 if(image_info && image_info->index_on) {
2561                         image_info->tile[j2k->curtileno].end_pos = cio_tell(cio) + j2k->pos_correction - 1;
2562                 }
2563                 /* << INDEX */
2564
2565
2566                 /*
2567                 if (tile->PPT) { // BAD PPT !!!
2568                         FILE *PPT_file;
2569                         int i;
2570                         PPT_file=fopen("PPT","rb");
2571                         fprintf(stderr,"%c%c%c%c",255,97,tile->len_ppt/256,tile->len_ppt%256);
2572                         for (i=0;i<tile->len_ppt;i++) {
2573                                 unsigned char elmt;
2574                                 fread(&elmt, 1, 1, PPT_file);
2575                                 fwrite(&elmt,1,1,f);
2576                         }
2577                         fclose(PPT_file);
2578                         unlink("PPT");
2579                 }
2580                 */
2581
2582         }
2583
2584         /* destroy the tile encoder */
2585         tcd_free_encode(tcd);
2586         tcd_destroy(tcd);
2587
2588         free(j2k->cur_totnum_tp);
2589
2590         j2k_write_eoc(j2k);
2591
2592         /* Creation of the index file */
2593         if(image_info && image_info->index_on) {
2594                 if(!j2k_create_index(j2k, cio, image_info, index)) {
2595                         opj_event_msg(j2k->cinfo, EVT_ERROR, "failed to create index file %s\n", index);
2596                         return false;
2597                 }
2598         }
2599
2600
2601 #ifdef USE_JPWL
2602         /*
2603         preparation of JPWL marker segments: can be finalized only when the whole
2604         codestream is known
2605         */
2606         if(image_info && image_info->index_on && cp->epc_on) {
2607
2608                 /* let's begin creating a marker list, according to user wishes */
2609                 jpwl_prepare_marks(j2k, cio, image);
2610
2611                 /* now we dump the JPWL markers on the codestream */
2612                 jpwl_dump_marks(j2k, cio, image);
2613
2614                 /* do not know exactly what is this for,
2615                 but it gets called during index creation */
2616                 j2k->pos_correction = 0;
2617
2618                 /* Re-creation of the index file, with updated info */
2619                 if(image_info && image_info->index_on) {
2620                         if(!j2k_create_index(j2k, cio, image_info, index)) {
2621                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "failed to re-create index file %s\n", index);
2622                                 return false;
2623                         }
2624                 }
2625
2626                 /* now we finalize the marker contents */
2627                 /*jpwl_finalize_marks(j2k, cio, image);*/
2628
2629         }
2630 #endif /* USE_JPWL */
2631
2632
2633         return true;
2634 }
2635
2636