libopenjpeg/pi.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 PI PI - Implementation of a packet iterator */
  36 /*@{*/
  37
  38 /** @name Local static functions */
  39 /*@{*/
  40
  41 /**
  42 Get next packet in layer-resolution-component-precinct order.
  43 @param pi packet iterator to modify
  44 @return returns false if pi pointed to the last packet or else returns true
  45 */
  46 static opj_bool pi_next_lrcp(opj_pi_iterator_t * pi);
  47 /**
  48 Get next packet in resolution-layer-component-precinct order.
  49 @param pi packet iterator to modify
  50 @return returns false if pi pointed to the last packet or else returns true
  51 */
  52 static opj_bool pi_next_rlcp(opj_pi_iterator_t * pi);
  53 /**
  54 Get next packet in resolution-precinct-component-layer order.
  55 @param pi packet iterator to modify
  56 @return returns false if pi pointed to the last packet or else returns true
  57 */
  58 static opj_bool pi_next_rpcl(opj_pi_iterator_t * pi);
  59 /**
  60 Get next packet in precinct-component-resolution-layer order.
  61 @param pi packet iterator to modify
  62 @return returns false if pi pointed to the last packet or else returns true
  63 */
  64 static opj_bool pi_next_pcrl(opj_pi_iterator_t * pi);
  65 /**
  66 Get next packet in component-precinct-resolution-layer order.
  67 @param pi packet iterator to modify
  68 @return returns false if pi pointed to the last packet or else returns true
  69 */
  70 static opj_bool pi_next_cprl(opj_pi_iterator_t * pi);
  71
  72
  73
  74 /**
  75  * Gets the encoding parameters needed to update the coding parameters and all the pocs.
  76  * The precinct widths, heights, dx and dy for each component at each resolution will be stored as well.
  77  * the last parameter of the function should be an array of pointers of size nb components, each pointer leading
  78  * to an area of size 4 * max_res. The data is stored inside this area with the following pattern :
  79  * dx_compi_res0 , dy_compi_res0 , w_compi_res0, h_compi_res0 , dx_compi_res1 , dy_compi_res1 , w_compi_res1, h_compi_res1 , ...
  80  *
  81  * @param       p_image                 the image being encoded.
  82  * @param       p_cp                    the coding parameters.
  83  * @param       tileno                  the tile index of the tile being encoded.
  84  * @param       p_tx0                   pointer that will hold the X0 parameter for the tile
  85  * @param       p_tx1                   pointer that will hold the X1 parameter for the tile
  86  * @param       p_ty0                   pointer that will hold the Y0 parameter for the tile
  87  * @param       p_ty1                   pointer that will hold the Y1 parameter for the tile
  88  * @param       p_max_prec              pointer that will hold the the maximum precision for all the bands of the tile
  89  * @param       p_max_res               pointer that will hold the the maximum number of resolutions for all the poc inside the tile.
  90  * @param       dx_min                  pointer that will hold the the minimum dx of all the components of all the resolutions for the tile.
  91  * @param       dy_min                  pointer that will hold the the minimum dy of all the components of all the resolutions for the tile.
  92  * @param       p_resolutions   pointer to an area corresponding to the one described above.
  93  */
  94 void get_all_encoding_parameters(
  95                                                                 const opj_image_header_t *p_image,
  96                                                                 const opj_cp_v2_t *p_cp,
  97                                                                 OPJ_UINT32 tileno,
  98                                                                 OPJ_INT32 * p_tx0,
  99                                                                 OPJ_INT32 * p_tx1,
 100                                                                 OPJ_INT32 * p_ty0,
 101                                                                 OPJ_INT32 * p_ty1,
 102                                                                 OPJ_UINT32 * p_dx_min,
 103                                                                 OPJ_UINT32 * p_dy_min,
 104                                                                 OPJ_UINT32 * p_max_prec,
 105                                                                 OPJ_UINT32 * p_max_res,
 106                                                                 OPJ_UINT32 ** p_resolutions
 107                                                         );
 108
 109
 110 /**
 111  * Allocates memory for a packet iterator. Data and data sizes are set by this operation.
 112  * No other data is set. The include section of the packet  iterator is not allocated.
 113  *
 114  * @param       p_image         the image used to initialize the packet iterator (in fact only the number of components is relevant.
 115  * @param       p_cp            the coding parameters.
 116  * @param       p_tile_no       the index of the tile from which creating the packet iterator.
 117  */
 118 opj_pi_iterator_t * pi_create(
 119                                                                 const opj_image_header_t *image,
 120                                                                 const opj_cp_v2_t *cp,
 121                                                                 OPJ_UINT32 tileno
 122                                                         );
 123
 124 void pi_update_decode_not_poc (opj_pi_iterator_t * p_pi,opj_tcp_v2_t * p_tcp,OPJ_UINT32 p_max_precision,OPJ_UINT32 p_max_res);
 125 void pi_update_decode_poc (opj_pi_iterator_t * p_pi,opj_tcp_v2_t * p_tcp,OPJ_UINT32 p_max_precision,OPJ_UINT32 p_max_res);
 126
 127
 128 /*@}*/
 129
 130 /*@}*/
 131
 132 /*
 133 ==========================================================
 134    local functions
 135 ==========================================================
 136 */
 137
 138 static opj_bool pi_next_lrcp(opj_pi_iterator_t * pi) {
 139         opj_pi_comp_t *comp = NULL;
 140         opj_pi_resolution_t *res = NULL;
 141         long index = 0;
 142
 143         if (!pi->first) {
 144                 comp = &pi->comps[pi->compno];
 145                 res = &comp->resolutions[pi->resno];
 146                 goto LABEL_SKIP;
 147         } else {
 148                 pi->first = 0;
 149         }
 150
 151         for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
 152                 for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1;
 153                 pi->resno++) {
 154                         for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
 155                                 comp = &pi->comps[pi->compno];
 156                                 if (pi->resno >= comp->numresolutions) {
 157                                         continue;
 158                                 }
 159                                 res = &comp->resolutions[pi->resno];
 160                                 if (!pi->tp_on){
 161                                         pi->poc.precno1 = res->pw * res->ph;
 162                                 }
 163                                 for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
 164                                         index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
 165                                         if (!pi->include[index]) {
 166                                                 pi->include[index] = 1;
 167                                                 return OPJ_TRUE;
 168                                         }
 169 LABEL_SKIP:;
 170                                 }
 171                         }
 172                 }
 173         }
 174
 175         return OPJ_FALSE;
 176 }
 177
 178 static opj_bool pi_next_rlcp(opj_pi_iterator_t * pi) {
 179         opj_pi_comp_t *comp = NULL;
 180         opj_pi_resolution_t *res = NULL;
 181         long index = 0;
 182
 183         if (!pi->first) {
 184                 comp = &pi->comps[pi->compno];
 185                 res = &comp->resolutions[pi->resno];
 186                 goto LABEL_SKIP;
 187         } else {
 188                 pi->first = 0;
 189         }
 190
 191         for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
 192                 for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
 193                         for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
 194                                 comp = &pi->comps[pi->compno];
 195                                 if (pi->resno >= comp->numresolutions) {
 196                                         continue;
 197                                 }
 198                                 res = &comp->resolutions[pi->resno];
 199                                 if(!pi->tp_on){
 200                                         pi->poc.precno1 = res->pw * res->ph;
 201                                 }
 202                                 for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
 203                                         index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
 204                                         if (!pi->include[index]) {
 205                                                 pi->include[index] = 1;
 206                                                 return OPJ_TRUE;
 207                                         }
 208 LABEL_SKIP:;
 209                                 }
 210                         }
 211                 }
 212         }
 213
 214         return OPJ_FALSE;
 215 }
 216
 217 static opj_bool pi_next_rpcl(opj_pi_iterator_t * pi) {
 218         opj_pi_comp_t *comp = NULL;
 219         opj_pi_resolution_t *res = NULL;
 220         long index = 0;
 221
 222         if (!pi->first) {
 223                 goto LABEL_SKIP;
 224         } else {
 225                 int compno, resno;
 226                 pi->first = 0;
 227                 pi->dx = 0;
 228                 pi->dy = 0;
 229                 for (compno = 0; compno < pi->numcomps; compno++) {
 230                         comp = &pi->comps[compno];
 231                         for (resno = 0; resno < comp->numresolutions; resno++) {
 232                                 int dx, dy;
 233                                 res = &comp->resolutions[resno];
 234                                 dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
 235                                 dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
 236                                 pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
 237                                 pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
 238                         }
 239                 }
 240         }
 241 if (!pi->tp_on){
 242                         pi->poc.ty0 = pi->ty0;
 243                         pi->poc.tx0 = pi->tx0;
 244                         pi->poc.ty1 = pi->ty1;
 245                         pi->poc.tx1 = pi->tx1;
 246                 }
 247         for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
 248                 for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
 249                         for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
 250                                 for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
 251                                         int levelno;
 252                                         int trx0, try0;
 253                                         int trx1, try1;
 254                                         int rpx, rpy;
 255                                         int prci, prcj;
 256                                         comp = &pi->comps[pi->compno];
 257                                         if (pi->resno >= comp->numresolutions) {
 258                                                 continue;
 259                                         }
 260                                         res = &comp->resolutions[pi->resno];
 261                                         levelno = comp->numresolutions - 1 - pi->resno;
 262                                         trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
 263                                         try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
 264                                         trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);
 265                                         try1 = int_ceildiv(pi->ty1, comp->dy << levelno);
 266                                         rpx = res->pdx + levelno;
 267                                         rpy = res->pdy + levelno;
 268                                         if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
 269                                                 continue;
 270                                         }
 271                                         if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
 272                                                 continue;
 273                                         }
 274
 275                                         if ((res->pw==0)||(res->ph==0)) continue;
 276
 277                                         if ((trx0==trx1)||(try0==try1)) continue;
 278
 279                                         prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno), res->pdx)
 280                                                  - int_floordivpow2(trx0, res->pdx);
 281                                         prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno), res->pdy)
 282                                                  - int_floordivpow2(try0, res->pdy);
 283                                         pi->precno = prci + prcj * res->pw;
 284                                         for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
 285                                                 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
 286                                                 if (!pi->include[index]) {
 287                                                         pi->include[index] = 1;
 288                                                         return OPJ_TRUE;
 289                                                 }
 290 LABEL_SKIP:;
 291                                         }
 292                                 }
 293                         }
 294                 }
 295         }
 296
 297         return OPJ_FALSE;
 298 }
 299
 300 static opj_bool pi_next_pcrl(opj_pi_iterator_t * pi) {
 301         opj_pi_comp_t *comp = NULL;
 302         opj_pi_resolution_t *res = NULL;
 303         long index = 0;
 304
 305         if (!pi->first) {
 306                 comp = &pi->comps[pi->compno];
 307                 goto LABEL_SKIP;
 308         } else {
 309                 int compno, resno;
 310                 pi->first = 0;
 311                 pi->dx = 0;
 312                 pi->dy = 0;
 313                 for (compno = 0; compno < pi->numcomps; compno++) {
 314                         comp = &pi->comps[compno];
 315                         for (resno = 0; resno < comp->numresolutions; resno++) {
 316                                 int dx, dy;
 317                                 res = &comp->resolutions[resno];
 318                                 dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
 319                                 dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
 320                                 pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
 321                                 pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
 322                         }
 323                 }
 324         }
 325         if (!pi->tp_on){
 326                         pi->poc.ty0 = pi->ty0;
 327                         pi->poc.tx0 = pi->tx0;
 328                         pi->poc.ty1 = pi->ty1;
 329                         pi->poc.tx1 = pi->tx1;
 330                 }
 331         for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
 332                 for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
 333                         for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
 334                                 comp = &pi->comps[pi->compno];
 335                                 for (pi->resno = pi->poc.resno0; pi->resno < int_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
 336                                         int levelno;
 337                                         int trx0, try0;
 338                                         int trx1, try1;
 339                                         int rpx, rpy;
 340                                         int prci, prcj;
 341                                         res = &comp->resolutions[pi->resno];
 342                                         levelno = comp->numresolutions - 1 - pi->resno;
 343                                         trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
 344                                         try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
 345                                         trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);
 346                                         try1 = int_ceildiv(pi->ty1, comp->dy << levelno);
 347                                         rpx = res->pdx + levelno;
 348                                         rpy = res->pdy + levelno;
 349                                         if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
 350                                                 continue;
 351                                         }
 352                                         if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
 353                                                 continue;
 354                                         }
 355
 356                                         if ((res->pw==0)||(res->ph==0)) continue;
 357
 358                                         if ((trx0==trx1)||(try0==try1)) continue;
 359
 360                                         prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno), res->pdx)
 361                                                  - int_floordivpow2(trx0, res->pdx);
 362                                         prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno), res->pdy)
 363                                                  - int_floordivpow2(try0, res->pdy);
 364                                         pi->precno = prci + prcj * res->pw;
 365                                         for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
 366                                                 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
 367                                                 if (!pi->include[index]) {
 368                                                         pi->include[index] = 1;
 369                                                         return OPJ_TRUE;
 370                                                 }
 371 LABEL_SKIP:;
 372                                         }
 373                                 }
 374                         }
 375                 }
 376         }
 377
 378         return OPJ_FALSE;
 379 }
 380
 381 static opj_bool pi_next_cprl(opj_pi_iterator_t * pi) {
 382         opj_pi_comp_t *comp = NULL;
 383         opj_pi_resolution_t *res = NULL;
 384         long index = 0;
 385
 386         if (!pi->first) {
 387                 comp = &pi->comps[pi->compno];
 388                 goto LABEL_SKIP;
 389         } else {
 390                 pi->first = 0;
 391         }
 392
 393         for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
 394                 int resno;
 395                 comp = &pi->comps[pi->compno];
 396                 pi->dx = 0;
 397                 pi->dy = 0;
 398                 for (resno = 0; resno < comp->numresolutions; resno++) {
 399                         int dx, dy;
 400                         res = &comp->resolutions[resno];
 401                         dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
 402                         dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
 403                         pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
 404                         pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
 405                 }
 406                 if (!pi->tp_on){
 407                         pi->poc.ty0 = pi->ty0;
 408                         pi->poc.tx0 = pi->tx0;
 409                         pi->poc.ty1 = pi->ty1;
 410                         pi->poc.tx1 = pi->tx1;
 411                 }
 412                 for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
 413                         for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
 414                                 for (pi->resno = pi->poc.resno0; pi->resno < int_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
 415                                         int levelno;
 416                                         int trx0, try0;
 417                                         int trx1, try1;
 418                                         int rpx, rpy;
 419                                         int prci, prcj;
 420                                         res = &comp->resolutions[pi->resno];
 421                                         levelno = comp->numresolutions - 1 - pi->resno;
 422                                         trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
 423                                         try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
 424                                         trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);
 425                                         try1 = int_ceildiv(pi->ty1, comp->dy << levelno);
 426                                         rpx = res->pdx + levelno;
 427                                         rpy = res->pdy + levelno;
 428                                         if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
 429                                                 continue;
 430                                         }
 431                                         if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
 432                                                 continue;
 433                                         }
 434
 435                                         if ((res->pw==0)||(res->ph==0)) continue;
 436
 437                                         if ((trx0==trx1)||(try0==try1)) continue;
 438
 439                                         prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno), res->pdx)
 440                                                  - int_floordivpow2(trx0, res->pdx);
 441                                         prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno), res->pdy)
 442                                                  - int_floordivpow2(try0, res->pdy);
 443                                         pi->precno = prci + prcj * res->pw;
 444                                         for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
 445                                                 index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
 446                                                 if (!pi->include[index]) {
 447                                                         pi->include[index] = 1;
 448                                                         return OPJ_TRUE;
 449                                                 }
 450 LABEL_SKIP:;
 451                                         }
 452                                 }
 453                         }
 454                 }
 455         }
 456
 457         return OPJ_FALSE;
 458 }
 459
 460 /*
 461 ==========================================================
 462    Packet iterator interface
 463 ==========================================================
 464 */
 465
 466 opj_pi_iterator_t *pi_create_decode(opj_image_t *image, opj_cp_t *cp, int tileno) {
 467         int p, q;
 468         int compno, resno, pino;
 469         opj_pi_iterator_t *pi = NULL;
 470         opj_tcp_t *tcp = NULL;
 471         opj_tccp_t *tccp = NULL;
 472
 473         tcp = &cp->tcps[tileno];
 474
 475         pi = (opj_pi_iterator_t*) opj_calloc((tcp->numpocs + 1), sizeof(opj_pi_iterator_t));
 476         if(!pi) {
 477                 /* TODO: throw an error */
 478                 return NULL;
 479         }
 480
 481         for (pino = 0; pino < tcp->numpocs + 1; pino++) {       /* change */
 482                 int maxres = 0;
 483                 int maxprec = 0;
 484                 p = tileno % cp->tw;
 485                 q = tileno / cp->tw;
 486
 487                 pi[pino].tx0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 488                 pi[pino].ty0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 489                 pi[pino].tx1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 490                 pi[pino].ty1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 491                 pi[pino].numcomps = image->numcomps;
 492
 493                 pi[pino].comps = (opj_pi_comp_t*) opj_calloc(image->numcomps, sizeof(opj_pi_comp_t));
 494                 if(!pi[pino].comps) {
 495                         /* TODO: throw an error */
 496                         pi_destroy(pi, cp, tileno);
 497                         return NULL;
 498                 }
 499
 500                 for (compno = 0; compno < pi->numcomps; compno++) {
 501                         int tcx0, tcy0, tcx1, tcy1;
 502                         opj_pi_comp_t *comp = &pi[pino].comps[compno];
 503                         tccp = &tcp->tccps[compno];
 504                         comp->dx = image->comps[compno].dx;
 505                         comp->dy = image->comps[compno].dy;
 506                         comp->numresolutions = tccp->numresolutions;
 507
 508                         comp->resolutions = (opj_pi_resolution_t*) opj_calloc(comp->numresolutions, sizeof(opj_pi_resolution_t));
 509                         if(!comp->resolutions) {
 510                                 /* TODO: throw an error */
 511                                 pi_destroy(pi, cp, tileno);
 512                                 return NULL;
 513                         }
 514
 515                         tcx0 = int_ceildiv(pi->tx0, comp->dx);
 516                         tcy0 = int_ceildiv(pi->ty0, comp->dy);
 517                         tcx1 = int_ceildiv(pi->tx1, comp->dx);
 518                         tcy1 = int_ceildiv(pi->ty1, comp->dy);
 519                         if (comp->numresolutions > maxres) {
 520                                 maxres = comp->numresolutions;
 521                         }
 522
 523                         for (resno = 0; resno < comp->numresolutions; resno++) {
 524                                 int levelno;
 525                                 int rx0, ry0, rx1, ry1;
 526                                 int px0, py0, px1, py1;
 527                                 opj_pi_resolution_t *res = &comp->resolutions[resno];
 528                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 529                                         res->pdx = tccp->prcw[resno];
 530                                         res->pdy = tccp->prch[resno];
 531                                 } else {
 532                                         res->pdx = 15;
 533                                         res->pdy = 15;
 534                                 }
 535                                 levelno = comp->numresolutions - 1 - resno;
 536                                 rx0 = int_ceildivpow2(tcx0, levelno);
 537                                 ry0 = int_ceildivpow2(tcy0, levelno);
 538                                 rx1 = int_ceildivpow2(tcx1, levelno);
 539                                 ry1 = int_ceildivpow2(tcy1, levelno);
 540                                 px0 = int_floordivpow2(rx0, res->pdx) << res->pdx;
 541                                 py0 = int_floordivpow2(ry0, res->pdy) << res->pdy;
 542                                 px1 = int_ceildivpow2(rx1, res->pdx) << res->pdx;
 543                                 py1 = int_ceildivpow2(ry1, res->pdy) << res->pdy;
 544                                 res->pw = (rx0==rx1)?0:((px1 - px0) >> res->pdx);
 545                                 res->ph = (ry0==ry1)?0:((py1 - py0) >> res->pdy);
 546
 547                                 if (res->pw*res->ph > maxprec) {
 548                                         maxprec = res->pw*res->ph;
 549                                 }
 550
 551                         }
 552                 }
 553
 554                 tccp = &tcp->tccps[0];
 555                 pi[pino].step_p = 1;
 556                 pi[pino].step_c = maxprec * pi[pino].step_p;
 557                 pi[pino].step_r = image->numcomps * pi[pino].step_c;
 558                 pi[pino].step_l = maxres * pi[pino].step_r;
 559
 560                 if (pino == 0) {
 561                         pi[pino].include = (short int*) opj_calloc(image->numcomps * maxres * tcp->numlayers * maxprec, sizeof(short int));
 562                         if(!pi[pino].include) {
 563                                 /* TODO: throw an error */
 564                                 pi_destroy(pi, cp, tileno);
 565                                 return NULL;
 566                         }
 567                 }
 568                 else {
 569                         pi[pino].include = pi[pino - 1].include;
 570                 }
 571
 572                 if (tcp->POC == 0) {
 573                         pi[pino].first = 1;
 574                         pi[pino].poc.resno0 = 0;
 575                         pi[pino].poc.compno0 = 0;
 576                         pi[pino].poc.layno1 = tcp->numlayers;
 577                         pi[pino].poc.resno1 = maxres;
 578                         pi[pino].poc.compno1 = image->numcomps;
 579                         pi[pino].poc.prg = tcp->prg;
 580                 } else {
 581                         pi[pino].first = 1;
 582                         pi[pino].poc.resno0 = tcp->pocs[pino].resno0;
 583                         pi[pino].poc.compno0 = tcp->pocs[pino].compno0;
 584                         pi[pino].poc.layno1 = tcp->pocs[pino].layno1;
 585                         pi[pino].poc.resno1 = tcp->pocs[pino].resno1;
 586                         pi[pino].poc.compno1 = tcp->pocs[pino].compno1;
 587                         pi[pino].poc.prg = tcp->pocs[pino].prg;
 588                 }
 589                 pi[pino].poc.layno0  = 0;
 590                 pi[pino].poc.precno0 = 0;
 591                 pi[pino].poc.precno1 = maxprec;
 592
 593         }
 594
 595         return pi;
 596 }
 597
 598
 599 opj_pi_iterator_t *pi_create_decode_v2(
 600                                                                                 opj_image_header_t *p_image,
 601                                                                                 opj_cp_v2_t *p_cp,
 602                                                                                 OPJ_UINT32 p_tile_no
 603                                                                                 )
 604 {
 605         // loop
 606         OPJ_UINT32 pino;
 607         OPJ_UINT32 compno, resno;
 608
 609         // to store w, h, dx and dy fro all components and resolutions
 610         OPJ_UINT32 * l_tmp_data;
 611         OPJ_UINT32 ** l_tmp_ptr;
 612
 613         // encoding prameters to set
 614         OPJ_UINT32 l_max_res;
 615         OPJ_UINT32 l_max_prec;
 616         OPJ_INT32 l_tx0,l_tx1,l_ty0,l_ty1;
 617         OPJ_UINT32 l_dx_min,l_dy_min;
 618         OPJ_UINT32 l_bound;
 619         OPJ_UINT32 l_step_p , l_step_c , l_step_r , l_step_l ;
 620         OPJ_UINT32 l_data_stride;
 621
 622         // pointers
 623         opj_pi_iterator_t *l_pi = 00;
 624         opj_tcp_v2_t *l_tcp = 00;
 625         const opj_tccp_t *l_tccp = 00;
 626         opj_pi_comp_t *l_current_comp = 00;
 627         opj_image_comp_header_t * l_img_comp = 00;
 628         opj_pi_iterator_t * l_current_pi = 00;
 629         OPJ_UINT32 * l_encoding_value_ptr = 00;
 630
 631         // preconditions in debug
 632         assert(p_cp != 00);
 633         assert(p_image != 00);
 634         assert(p_tile_no < p_cp->tw * p_cp->th);
 635
 636         // initializations
 637         l_tcp = &p_cp->tcps[p_tile_no];
 638         l_bound = l_tcp->numpocs+1;
 639
 640         l_data_stride = 4 * J2K_MAXRLVLS;
 641         l_tmp_data = (OPJ_UINT32*)opj_malloc(
 642                 l_data_stride * p_image->numcomps * sizeof(OPJ_UINT32));
 643         if
 644                 (! l_tmp_data)
 645         {
 646                 return 00;
 647         }
 648         l_tmp_ptr = (OPJ_UINT32**)opj_malloc(
 649                 p_image->numcomps * sizeof(OPJ_UINT32 *));
 650         if
 651                 (! l_tmp_ptr)
 652         {
 653                 opj_free(l_tmp_data);
 654                 return 00;
 655         }
 656
 657         // memory allocation for pi
 658         l_pi = pi_create(p_image, p_cp, p_tile_no);
 659         if (!l_pi) {
 660                 opj_free(l_tmp_data);
 661                 opj_free(l_tmp_ptr);
 662                 return 00;
 663         }
 664
 665         l_encoding_value_ptr = l_tmp_data;
 666         // update pointer array
 667         for
 668                 (compno = 0; compno < p_image->numcomps; ++compno)
 669         {
 670                 l_tmp_ptr[compno] = l_encoding_value_ptr;
 671                 l_encoding_value_ptr += l_data_stride;
 672         }
 673         // get encoding parameters
 674         get_all_encoding_parameters(p_image,p_cp,p_tile_no,&l_tx0,&l_tx1,&l_ty0,&l_ty1,&l_dx_min,&l_dy_min,&l_max_prec,&l_max_res,l_tmp_ptr);
 675
 676         // step calculations
 677         l_step_p = 1;
 678         l_step_c = l_max_prec * l_step_p;
 679         l_step_r = p_image->numcomps * l_step_c;
 680         l_step_l = l_max_res * l_step_r;
 681
 682         // set values for first packet iterator
 683         l_current_pi = l_pi;
 684
 685         // memory allocation for include
 686         l_current_pi->include = (OPJ_INT16*) opj_calloc(l_tcp->numlayers * l_step_l, sizeof(OPJ_INT16));
 687         if
 688                 (!l_current_pi->include)
 689         {
 690                 opj_free(l_tmp_data);
 691                 opj_free(l_tmp_ptr);
 692                 pi_destroy_v2(l_pi, l_bound);
 693                 return 00;
 694         }
 695         memset(l_current_pi->include,0,l_tcp->numlayers * l_step_l* sizeof(OPJ_INT16));
 696
 697         // special treatment for the first packet iterator
 698         l_current_comp = l_current_pi->comps;
 699         l_img_comp = p_image->comps;
 700         l_tccp = l_tcp->tccps;
 701
 702         l_current_pi->tx0 = l_tx0;
 703         l_current_pi->ty0 = l_ty0;
 704         l_current_pi->tx1 = l_tx1;
 705         l_current_pi->ty1 = l_ty1;
 706
 707         //l_current_pi->dx = l_img_comp->dx;
 708         //l_current_pi->dy = l_img_comp->dy;
 709
 710         l_current_pi->step_p = l_step_p;
 711         l_current_pi->step_c = l_step_c;
 712         l_current_pi->step_r = l_step_r;
 713         l_current_pi->step_l = l_step_l;
 714
 715         /* allocation for components and number of components has already been calculated by pi_create */
 716         for
 717                 (compno = 0; compno < l_current_pi->numcomps; ++compno)
 718         {
 719                 opj_pi_resolution_t *l_res = l_current_comp->resolutions;
 720                 l_encoding_value_ptr = l_tmp_ptr[compno];
 721
 722                 l_current_comp->dx = l_img_comp->dx;
 723                 l_current_comp->dy = l_img_comp->dy;
 724                 /* resolutions have already been initialized */
 725                 for
 726                         (resno = 0; resno < l_current_comp->numresolutions; resno++)
 727                 {
 728                         l_res->pdx = *(l_encoding_value_ptr++);
 729                         l_res->pdy = *(l_encoding_value_ptr++);
 730                         l_res->pw =  *(l_encoding_value_ptr++);
 731                         l_res->ph =  *(l_encoding_value_ptr++);
 732                         ++l_res;
 733                 }
 734                 ++l_current_comp;
 735                 ++l_img_comp;
 736                 ++l_tccp;
 737         }
 738         ++l_current_pi;
 739
 740         for
 741                 (pino = 1 ; pino<l_bound ; ++pino )
 742         {
 743                 opj_pi_comp_t *l_current_comp = l_current_pi->comps;
 744                 opj_image_comp_header_t * l_img_comp = p_image->comps;
 745                 l_tccp = l_tcp->tccps;
 746
 747                 l_current_pi->tx0 = l_tx0;
 748                 l_current_pi->ty0 = l_ty0;
 749                 l_current_pi->tx1 = l_tx1;
 750                 l_current_pi->ty1 = l_ty1;
 751                 //l_current_pi->dx = l_dx_min;
 752                 //l_current_pi->dy = l_dy_min;
 753                 l_current_pi->step_p = l_step_p;
 754                 l_current_pi->step_c = l_step_c;
 755                 l_current_pi->step_r = l_step_r;
 756                 l_current_pi->step_l = l_step_l;
 757
 758                 /* allocation for components and number of components has already been calculated by pi_create */
 759                 for
 760                         (compno = 0; compno < l_current_pi->numcomps; ++compno)
 761                 {
 762                         opj_pi_resolution_t *l_res = l_current_comp->resolutions;
 763                         l_encoding_value_ptr = l_tmp_ptr[compno];
 764
 765                         l_current_comp->dx = l_img_comp->dx;
 766                         l_current_comp->dy = l_img_comp->dy;
 767                         /* resolutions have already been initialized */
 768                         for
 769                                 (resno = 0; resno < l_current_comp->numresolutions; resno++)
 770                         {
 771                                 l_res->pdx = *(l_encoding_value_ptr++);
 772                                 l_res->pdy = *(l_encoding_value_ptr++);
 773                                 l_res->pw =  *(l_encoding_value_ptr++);
 774                                 l_res->ph =  *(l_encoding_value_ptr++);
 775                                 ++l_res;
 776                         }
 777                         ++l_current_comp;
 778                         ++l_img_comp;
 779                         ++l_tccp;
 780                 }
 781                 // special treatment
 782                 l_current_pi->include = (l_current_pi-1)->include;
 783                 ++l_current_pi;
 784         }
 785         opj_free(l_tmp_data);
 786         l_tmp_data = 00;
 787         opj_free(l_tmp_ptr);
 788         l_tmp_ptr = 00;
 789         if
 790                 (l_tcp->POC)
 791         {
 792                 pi_update_decode_poc (l_pi,l_tcp,l_max_prec,l_max_res);
 793         }
 794         else
 795         {
 796                 pi_update_decode_not_poc(l_pi,l_tcp,l_max_prec,l_max_res);
 797         }
 798         return l_pi;
 799 }
 800
 801 opj_pi_iterator_t *pi_initialise_encode(opj_image_t *image, opj_cp_t *cp, int tileno, J2K_T2_MODE t2_mode){
 802         int p, q, pino;
 803         int compno, resno;
 804         int maxres = 0;
 805         int maxprec = 0;
 806         opj_pi_iterator_t *pi = NULL;
 807         opj_tcp_t *tcp = NULL;
 808         opj_tccp_t *tccp = NULL;
 809
 810         tcp = &cp->tcps[tileno];
 811
 812         pi = (opj_pi_iterator_t*) opj_calloc((tcp->numpocs + 1), sizeof(opj_pi_iterator_t));
 813         if(!pi) {       return NULL;}
 814         pi->tp_on = cp->tp_on;
 815
 816         for(pino = 0;pino < tcp->numpocs+1 ; pino ++){
 817                 p = tileno % cp->tw;
 818                 q = tileno / cp->tw;
 819
 820                 pi[pino].tx0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 821                 pi[pino].ty0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 822                 pi[pino].tx1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 823                 pi[pino].ty1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 824                 pi[pino].numcomps = image->numcomps;
 825
 826                 pi[pino].comps = (opj_pi_comp_t*) opj_calloc(image->numcomps, sizeof(opj_pi_comp_t));
 827                 if(!pi[pino].comps) {
 828                         pi_destroy(pi, cp, tileno);
 829                         return NULL;
 830                 }
 831
 832                 for (compno = 0; compno < pi[pino].numcomps; compno++) {
 833                         int tcx0, tcy0, tcx1, tcy1;
 834                         opj_pi_comp_t *comp = &pi[pino].comps[compno];
 835                         tccp = &tcp->tccps[compno];
 836                         comp->dx = image->comps[compno].dx;
 837                         comp->dy = image->comps[compno].dy;
 838                         comp->numresolutions = tccp->numresolutions;
 839
 840                         comp->resolutions = (opj_pi_resolution_t*) opj_malloc(comp->numresolutions * sizeof(opj_pi_resolution_t));
 841                         if(!comp->resolutions) {
 842                                 pi_destroy(pi, cp, tileno);
 843                                 return NULL;
 844                         }
 845
 846                         tcx0 = int_ceildiv(pi[pino].tx0, comp->dx);
 847                         tcy0 = int_ceildiv(pi[pino].ty0, comp->dy);
 848                         tcx1 = int_ceildiv(pi[pino].tx1, comp->dx);
 849                         tcy1 = int_ceildiv(pi[pino].ty1, comp->dy);
 850                         if (comp->numresolutions > maxres) {
 851                                 maxres = comp->numresolutions;
 852                         }
 853
 854                         for (resno = 0; resno < comp->numresolutions; resno++) {
 855                                 int levelno;
 856                                 int rx0, ry0, rx1, ry1;
 857                                 int px0, py0, px1, py1;
 858                                 opj_pi_resolution_t *res = &comp->resolutions[resno];
 859                                 if (tccp->csty & J2K_CCP_CSTY_PRT) {
 860                                         res->pdx = tccp->prcw[resno];
 861                                         res->pdy = tccp->prch[resno];
 862                                 } else {
 863                                         res->pdx = 15;
 864                                         res->pdy = 15;
 865                                 }
 866                                 levelno = comp->numresolutions - 1 - resno;
 867                                 rx0 = int_ceildivpow2(tcx0, levelno);
 868                                 ry0 = int_ceildivpow2(tcy0, levelno);
 869                                 rx1 = int_ceildivpow2(tcx1, levelno);
 870                                 ry1 = int_ceildivpow2(tcy1, levelno);
 871                                 px0 = int_floordivpow2(rx0, res->pdx) << res->pdx;
 872                                 py0 = int_floordivpow2(ry0, res->pdy) << res->pdy;
 873                                 px1 = int_ceildivpow2(rx1, res->pdx) << res->pdx;
 874                                 py1 = int_ceildivpow2(ry1, res->pdy) << res->pdy;
 875                                 res->pw = (rx0==rx1)?0:((px1 - px0) >> res->pdx);
 876                                 res->ph = (ry0==ry1)?0:((py1 - py0) >> res->pdy);
 877
 878                                 if (res->pw*res->ph > maxprec) {
 879                                         maxprec = res->pw * res->ph;
 880                                 }
 881                         }
 882                 }
 883
 884                 tccp = &tcp->tccps[0];
 885                 pi[pino].step_p = 1;
 886                 pi[pino].step_c = maxprec * pi[pino].step_p;
 887                 pi[pino].step_r = image->numcomps * pi[pino].step_c;
 888                 pi[pino].step_l = maxres * pi[pino].step_r;
 889
 890                 for (compno = 0; compno < pi->numcomps; compno++) {
 891                         opj_pi_comp_t *comp = &pi->comps[compno];
 892                         for (resno = 0; resno < comp->numresolutions; resno++) {
 893                                 int dx, dy;
 894                                 opj_pi_resolution_t *res = &comp->resolutions[resno];
 895                                 dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
 896                                 dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
 897                                 pi[pino].dx = !pi->dx ? dx : int_min(pi->dx, dx);
 898                                 pi[pino].dy = !pi->dy ? dy : int_min(pi->dy, dy);
 899                         }
 900                 }
 901
 902                 if (pino == 0) {
 903                         pi[pino].include = (short int*) opj_calloc(tcp->numlayers * pi[pino].step_l, sizeof(short int));
 904                         if(!pi[pino].include) {
 905                                 pi_destroy(pi, cp, tileno);
 906                                 return NULL;
 907                         }
 908                 }
 909                 else {
 910                         pi[pino].include = pi[pino - 1].include;
 911                 }
 912
 913                 /* Generation of boundaries for each prog flag*/
 914                         if(tcp->POC && ( cp->cinema || ((!cp->cinema) && (t2_mode == FINAL_PASS)))){
 915                                 tcp->pocs[pino].compS= tcp->pocs[pino].compno0;
 916                                 tcp->pocs[pino].compE= tcp->pocs[pino].compno1;
 917                                 tcp->pocs[pino].resS = tcp->pocs[pino].resno0;
 918                                 tcp->pocs[pino].resE = tcp->pocs[pino].resno1;
 919                                 tcp->pocs[pino].layE = tcp->pocs[pino].layno1;
 920                                 tcp->pocs[pino].prg  = tcp->pocs[pino].prg1;
 921                                 if (pino > 0)
 922                                         tcp->pocs[pino].layS = (tcp->pocs[pino].layE > tcp->pocs[pino - 1].layE) ? tcp->pocs[pino - 1].layE : 0;
 923                         }else {
 924                                 tcp->pocs[pino].compS= 0;
 925                                 tcp->pocs[pino].compE= image->numcomps;
 926                                 tcp->pocs[pino].resS = 0;
 927                                 tcp->pocs[pino].resE = maxres;
 928                                 tcp->pocs[pino].layS = 0;
 929                                 tcp->pocs[pino].layE = tcp->numlayers;
 930                                 tcp->pocs[pino].prg  = tcp->prg;
 931                         }
 932                         tcp->pocs[pino].prcS = 0;
 933                         tcp->pocs[pino].prcE = maxprec;;
 934                         tcp->pocs[pino].txS = pi[pino].tx0;
 935                         tcp->pocs[pino].txE = pi[pino].tx1;
 936                         tcp->pocs[pino].tyS = pi[pino].ty0;
 937                         tcp->pocs[pino].tyE = pi[pino].ty1;
 938                         tcp->pocs[pino].dx = pi[pino].dx;
 939                         tcp->pocs[pino].dy = pi[pino].dy;
 940                 }
 941                         return pi;
 942         }
 943
 944
 945
 946 void pi_destroy(opj_pi_iterator_t *pi, opj_cp_t *cp, int tileno) {
 947         int compno, pino;
 948         opj_tcp_t *tcp = &cp->tcps[tileno];
 949         if(pi) {
 950                 for (pino = 0; pino < tcp->numpocs + 1; pino++) {
 951                         if(pi[pino].comps) {
 952                                 for (compno = 0; compno < pi->numcomps; compno++) {
 953                                         opj_pi_comp_t *comp = &pi[pino].comps[compno];
 954                                         if(comp->resolutions) {
 955                                                 opj_free(comp->resolutions);
 956                                         }
 957                                 }
 958                                 opj_free(pi[pino].comps);
 959                         }
 960                 }
 961                 if(pi->include) {
 962                         opj_free(pi->include);
 963                 }
 964                 opj_free(pi);
 965         }
 966 }
 967
 968 opj_bool pi_next(opj_pi_iterator_t * pi) {
 969         switch (pi->poc.prg) {
 970                 case LRCP:
 971                         return pi_next_lrcp(pi);
 972                 case RLCP:
 973                         return pi_next_rlcp(pi);
 974                 case RPCL:
 975                         return pi_next_rpcl(pi);
 976                 case PCRL:
 977                         return pi_next_pcrl(pi);
 978                 case CPRL:
 979                         return pi_next_cprl(pi);
 980                 case PROG_UNKNOWN:
 981                         return OPJ_FALSE;
 982         }
 983
 984         return OPJ_FALSE;
 985 }
 986
 987 opj_bool pi_create_encode( opj_pi_iterator_t *pi, opj_cp_t *cp,int tileno, int pino,int tpnum, int tppos, J2K_T2_MODE t2_mode,int cur_totnum_tp){
 988         char prog[4];
 989         int i;
 990         int incr_top=1,resetX=0;
 991         opj_tcp_t *tcps =&cp->tcps[tileno];
 992         opj_poc_t *tcp= &tcps->pocs[pino];
 993
 994         pi[pino].first = 1;
 995         pi[pino].poc.prg = tcp->prg;
 996
 997         switch(tcp->prg){
 998                 case CPRL: strncpy(prog, "CPRL",4);
 999                         break;
1000                 case LRCP: strncpy(prog, "LRCP",4);
1001                         break;
1002                 case PCRL: strncpy(prog, "PCRL",4);
1003                         break;
1004                 case RLCP: strncpy(prog, "RLCP",4);
1005                         break;
1006                 case RPCL: strncpy(prog, "RPCL",4);
1007                         break;
1008                 case PROG_UNKNOWN:
1009                         return OPJ_TRUE;
1010         }
1011
1012         if(!(cp->tp_on && ((!cp->cinema && (t2_mode == FINAL_PASS)) || cp->cinema))){
1013                 pi[pino].poc.resno0 = tcp->resS;
1014                 pi[pino].poc.resno1 = tcp->resE;
1015                 pi[pino].poc.compno0 = tcp->compS;
1016                 pi[pino].poc.compno1 = tcp->compE;
1017                 pi[pino].poc.layno0 = tcp->layS;
1018                 pi[pino].poc.layno1 = tcp->layE;
1019                 pi[pino].poc.precno0 = tcp->prcS;
1020                 pi[pino].poc.precno1 = tcp->prcE;
1021                 pi[pino].poc.tx0 = tcp->txS;
1022                 pi[pino].poc.ty0 = tcp->tyS;
1023                 pi[pino].poc.tx1 = tcp->txE;
1024                 pi[pino].poc.ty1 = tcp->tyE;
1025         }else {
1026                 if( tpnum < cur_totnum_tp){
1027                         for(i=3;i>=0;i--){
1028                                 switch(prog[i]){
1029                                 case 'C':
1030                                         if (i > tppos){
1031                                                 pi[pino].poc.compno0 = tcp->compS;
1032                                                 pi[pino].poc.compno1 = tcp->compE;
1033                                         }else{
1034                                                 if (tpnum == 0){
1035                                                         tcp->comp_t = tcp->compS;
1036                                                         pi[pino].poc.compno0 = tcp->comp_t;
1037                                                         pi[pino].poc.compno1 = tcp->comp_t+1;
1038                                                         tcp->comp_t+=1;
1039                                                 }else{
1040                                                         if (incr_top == 1){
1041                                                                 if(tcp->comp_t ==tcp->compE){
1042                                                                         tcp->comp_t = tcp->compS;
1043                                                                         pi[pino].poc.compno0 = tcp->comp_t;
1044                                                                         pi[pino].poc.compno1 = tcp->comp_t+1;
1045                                                                         tcp->comp_t+=1;
1046                                                                         incr_top=1;
1047                                                                 }else{
1048                                                                         pi[pino].poc.compno0 = tcp->comp_t;
1049                                                                         pi[pino].poc.compno1 = tcp->comp_t+1;
1050                                                                         tcp->comp_t+=1;
1051                                                                         incr_top=0;
1052                                                                 }
1053                                                         }else{
1054                                                                 pi[pino].poc.compno0 = tcp->comp_t-1;
1055                                                                 pi[pino].poc.compno1 = tcp->comp_t;
1056                                                         }
1057                                                 }
1058                                         }
1059                                         break;
1060
1061                                 case 'R':
1062                                         if (i > tppos){
1063                                                 pi[pino].poc.resno0 = tcp->resS;
1064                                                 pi[pino].poc.resno1 = tcp->resE;
1065                                         }else{
1066                                                 if (tpnum == 0){
1067                                                         tcp->res_t = tcp->resS;
1068                                                         pi[pino].poc.resno0 = tcp->res_t;
1069                                                         pi[pino].poc.resno1 = tcp->res_t+1;
1070                                                         tcp->res_t+=1;
1071                                                 }else{
1072                                                         if (incr_top == 1){
1073                                                                 if(tcp->res_t==tcp->resE){
1074                                                                         tcp->res_t = tcp->resS;
1075                                                                         pi[pino].poc.resno0 = tcp->res_t;
1076                                                                         pi[pino].poc.resno1 = tcp->res_t+1;
1077                                                                         tcp->res_t+=1;
1078                                                                         incr_top=1;
1079                                                                 }else{
1080                                                                         pi[pino].poc.resno0 = tcp->res_t;
1081                                                                         pi[pino].poc.resno1 = tcp->res_t+1;
1082                                                                         tcp->res_t+=1;
1083                                                                         incr_top=0;
1084                                                                 }
1085                                                         }else{
1086                                                                 pi[pino].poc.resno0 = tcp->res_t - 1;
1087                                                                 pi[pino].poc.resno1 = tcp->res_t;
1088                                                         }
1089                                                 }
1090                                         }
1091                                         break;
1092
1093                                 case 'L':
1094                                         if (i > tppos){
1095                                                 pi[pino].poc.layno0 = tcp->layS;
1096                                                 pi[pino].poc.layno1 = tcp->layE;
1097                                         }else{
1098                                                 if (tpnum == 0){
1099                                                         tcp->lay_t = tcp->layS;
1100                                                         pi[pino].poc.layno0 = tcp->lay_t;
1101                                                         pi[pino].poc.layno1 = tcp->lay_t+1;
1102                                                         tcp->lay_t+=1;
1103                                                 }else{
1104                                                         if (incr_top == 1){
1105                                                                 if(tcp->lay_t == tcp->layE){
1106                                                                         tcp->lay_t = tcp->layS;
1107                                                                         pi[pino].poc.layno0 = tcp->lay_t;
1108                                                                         pi[pino].poc.layno1 = tcp->lay_t+1;
1109                                                                         tcp->lay_t+=1;
1110                                                                         incr_top=1;
1111                                                                 }else{
1112                                                                         pi[pino].poc.layno0 = tcp->lay_t;
1113                                                                         pi[pino].poc.layno1 = tcp->lay_t+1;
1114                                                                         tcp->lay_t+=1;
1115                                                                         incr_top=0;
1116                                                                 }
1117                                                         }else{
1118                                                                 pi[pino].poc.layno0 = tcp->lay_t - 1;
1119                                                                 pi[pino].poc.layno1 = tcp->lay_t;
1120                                                         }
1121                                                 }
1122                                         }
1123                                         break;
1124
1125                                 case 'P':
1126                                         switch(tcp->prg){
1127                                                 case LRCP:
1128                                                 case RLCP:
1129                                                         if (i > tppos){
1130                                                                 pi[pino].poc.precno0 = tcp->prcS;
1131                                                                 pi[pino].poc.precno1 = tcp->prcE;
1132                                                         }else{
1133                                                                 if (tpnum == 0){
1134                                                                         tcp->prc_t = tcp->prcS;
1135                                                                         pi[pino].poc.precno0 = tcp->prc_t;
1136                                                                         pi[pino].poc.precno1 = tcp->prc_t+1;
1137                                                                         tcp->prc_t+=1;
1138                                                                 }else{
1139                                                                         if (incr_top == 1){
1140                                                                                 if(tcp->prc_t == tcp->prcE){
1141                                                                                         tcp->prc_t = tcp->prcS;
1142                                                                                         pi[pino].poc.precno0 = tcp->prc_t;
1143                                                                                         pi[pino].poc.precno1 = tcp->prc_t+1;
1144                                                                                         tcp->prc_t+=1;
1145                                                                                         incr_top=1;
1146                                                                                 }else{
1147                                                                                         pi[pino].poc.precno0 = tcp->prc_t;
1148                                                                                         pi[pino].poc.precno1 = tcp->prc_t+1;
1149                                                                                         tcp->prc_t+=1;
1150                                                                                         incr_top=0;
1151                                                                                 }
1152                                                                         }else{
1153                                                                                 pi[pino].poc.precno0 = tcp->prc_t - 1;
1154                                                                                 pi[pino].poc.precno1 = tcp->prc_t;
1155                                                                         }
1156                                                                 }
1157                                                         }
1158                                                 break;
1159                                                 default:
1160                                                         if (i > tppos){
1161                                                                 pi[pino].poc.tx0 = tcp->txS;
1162                                                                 pi[pino].poc.ty0 = tcp->tyS;
1163                                                                 pi[pino].poc.tx1 = tcp->txE;
1164                                                                 pi[pino].poc.ty1 = tcp->tyE;
1165                                                         }else{
1166                                                                 if (tpnum == 0){
1167                                                                         tcp->tx0_t = tcp->txS;
1168                                                                         tcp->ty0_t = tcp->tyS;
1169                                                                         pi[pino].poc.tx0 = tcp->tx0_t;
1170                                                                         pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx);
1171                                                                         pi[pino].poc.ty0 = tcp->ty0_t;
1172                                                                         pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
1173                                                                         tcp->tx0_t = pi[pino].poc.tx1;
1174                                                                         tcp->ty0_t = pi[pino].poc.ty1;
1175                                                                 }else{
1176                                                                         if (incr_top == 1){
1177                                                                                 if(tcp->tx0_t >= tcp->txE){
1178                                                                                         if(tcp->ty0_t >= tcp->tyE){
1179                                                                                                 tcp->ty0_t = tcp->tyS;
1180                                                                                                 pi[pino].poc.ty0 = tcp->ty0_t;
1181                                                                                                 pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
1182                                                                                                 tcp->ty0_t = pi[pino].poc.ty1;
1183                                                                                                 incr_top=1;resetX=1;
1184                                                                                         }else{
1185                                                                                                 pi[pino].poc.ty0 = tcp->ty0_t;
1186                                                                                                 pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
1187                                                                                                 tcp->ty0_t = pi[pino].poc.ty1;
1188                                                                                                 incr_top=0;resetX=1;
1189                                                                                         }
1190                                                                                         if(resetX==1){
1191                                                                                                 tcp->tx0_t = tcp->txS;
1192                                                                                                 pi[pino].poc.tx0 = tcp->tx0_t;
1193                                                                                                 pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx);
1194                                                                                                 tcp->tx0_t = pi[pino].poc.tx1;
1195                                                                                         }
1196                                                                                 }else{
1197                                                                                         pi[pino].poc.tx0 = tcp->tx0_t;
1198                                                                                         pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx);
1199                                                                                         tcp->tx0_t = pi[pino].poc.tx1;
1200                                                                                         pi[pino].poc.ty0 = tcp->ty0_t - tcp->dy - (tcp->ty0_t % tcp->dy);
1201                                                                                         pi[pino].poc.ty1 = tcp->ty0_t ;
1202                                                                                         incr_top=0;
1203                                                                                 }
1204                                                                         }else{
1205                                                                                 pi[pino].poc.tx0 = tcp->tx0_t - tcp->dx - (tcp->tx0_t % tcp->dx);
1206                                                                                 pi[pino].poc.tx1 = tcp->tx0_t ;
1207                                                                                 pi[pino].poc.ty0 = tcp->ty0_t - tcp->dy - (tcp->ty0_t % tcp->dy);
1208                                                                                 pi[pino].poc.ty1 = tcp->ty0_t ;
1209                                                                         }
1210                                                                 }
1211                                                         }
1212                                                 break;
1213                                                 }
1214                                                 break;
1215                                 }
1216                         }
1217                 }
1218         }
1219         return OPJ_FALSE;
1220 }
1221
1222
1223
1224 /**
1225  * Gets the encoding parameters needed to update the coding parameters and all the pocs.
1226  * The precinct widths, heights, dx and dy for each component at each resolution will be stored as well.
1227  * the last parameter of the function should be an array of pointers of size nb components, each pointer leading
1228  * to an area of size 4 * max_res. The data is stored inside this area with the following pattern :
1229  * dx_compi_res0 , dy_compi_res0 , w_compi_res0, h_compi_res0 , dx_compi_res1 , dy_compi_res1 , w_compi_res1, h_compi_res1 , ...
1230  *
1231  * @param       p_image                 the image being encoded.
1232  * @param       p_cp                    the coding parameters.
1233  * @param       tileno                  the tile index of the tile being encoded.
1234  * @param       p_tx0                   pointer that will hold the X0 parameter for the tile
1235  * @param       p_tx1                   pointer that will hold the X1 parameter for the tile
1236  * @param       p_ty0                   pointer that will hold the Y0 parameter for the tile
1237  * @param       p_ty1                   pointer that will hold the Y1 parameter for the tile
1238  * @param       p_max_prec              pointer that will hold the the maximum precision for all the bands of the tile
1239  * @param       p_max_res               pointer that will hold the the maximum number of resolutions for all the poc inside the tile.
1240  * @param       dx_min                  pointer that will hold the the minimum dx of all the components of all the resolutions for the tile.
1241  * @param       dy_min                  pointer that will hold the the minimum dy of all the components of all the resolutions for the tile.
1242  * @param       p_resolutions   pointer to an area corresponding to the one described above.
1243  */
1244 void get_all_encoding_parameters(
1245                                                                 const opj_image_header_t *p_image,
1246                                                                 const opj_cp_v2_t *p_cp,
1247                                                                 OPJ_UINT32 tileno,
1248                                                                 OPJ_INT32 * p_tx0,
1249                                                                 OPJ_INT32 * p_tx1,
1250                                                                 OPJ_INT32 * p_ty0,
1251                                                                 OPJ_INT32 * p_ty1,
1252                                                                 OPJ_UINT32 * p_dx_min,
1253                                                                 OPJ_UINT32 * p_dy_min,
1254                                                                 OPJ_UINT32 * p_max_prec,
1255                                                                 OPJ_UINT32 * p_max_res,
1256                                                                 OPJ_UINT32 ** p_resolutions
1257                                                         )
1258 {
1259         // loop
1260         OPJ_UINT32 compno, resno;
1261
1262         // pointers
1263         const opj_tcp_v2_t *tcp = 00;
1264         const opj_tccp_t * l_tccp = 00;
1265         const opj_image_comp_header_t * l_img_comp = 00;
1266
1267         // to store l_dx, l_dy, w and h for each resolution and component.
1268         OPJ_UINT32 * lResolutionPtr;
1269
1270         // position in x and y of tile
1271         OPJ_UINT32 p, q;
1272
1273         // preconditions in debug
1274         assert(p_cp != 00);
1275         assert(p_image != 00);
1276         assert(tileno < p_cp->tw * p_cp->th);
1277
1278         // initializations
1279         tcp = &p_cp->tcps [tileno];
1280         l_tccp = tcp->tccps;
1281         l_img_comp = p_image->comps;
1282
1283         // position in x and y of tile
1284
1285         p = tileno % p_cp->tw;
1286         q = tileno / p_cp->tw;
1287
1288         /* here calculation of tx0, tx1, ty0, ty1, maxprec, l_dx and l_dy */
1289         *p_tx0 = int_max(p_cp->tx0 + p * p_cp->tdx, p_image->x0);
1290         *p_tx1 = int_min(p_cp->tx0 + (p + 1) * p_cp->tdx, p_image->x1);
1291         *p_ty0 = int_max(p_cp->ty0 + q * p_cp->tdy, p_image->y0);
1292         *p_ty1 = int_min(p_cp->ty0 + (q + 1) * p_cp->tdy, p_image->y1);
1293
1294         // max precision and resolution is 0 (can only grow)
1295         *p_max_prec = 0;
1296         *p_max_res = 0;
1297
1298         // take the largest value for dx_min and dy_min
1299         *p_dx_min = 0x7fffffff;
1300         *p_dy_min  = 0x7fffffff;
1301
1302         for
1303                 (compno = 0; compno < p_image->numcomps; ++compno)
1304         {
1305                 // aritmetic variables to calculate
1306                 OPJ_UINT32 l_level_no;
1307                 OPJ_INT32 l_rx0, l_ry0, l_rx1, l_ry1;
1308                 OPJ_INT32 l_px0, l_py0, l_px1, py1;
1309                 OPJ_UINT32 l_product;
1310                 OPJ_INT32 l_tcx0, l_tcy0, l_tcx1, l_tcy1;
1311                 OPJ_UINT32 l_pdx, l_pdy , l_pw , l_ph;
1312
1313                 lResolutionPtr = p_resolutions[compno];
1314
1315                 l_tcx0 = int_ceildiv(*p_tx0, l_img_comp->dx);
1316                 l_tcy0 = int_ceildiv(*p_ty0, l_img_comp->dy);
1317                 l_tcx1 = int_ceildiv(*p_tx1, l_img_comp->dx);
1318                 l_tcy1 = int_ceildiv(*p_ty1, l_img_comp->dy);
1319                 if
1320                         (l_tccp->numresolutions > *p_max_res)
1321                 {
1322                         *p_max_res = l_tccp->numresolutions;
1323                 }
1324
1325                 // use custom size for precincts
1326                 l_level_no = l_tccp->numresolutions - 1;
1327                 for
1328                         (resno = 0; resno < l_tccp->numresolutions; ++resno)
1329                 {
1330                         OPJ_UINT32 l_dx, l_dy;
1331                         // precinct width and height
1332                         l_pdx = l_tccp->prcw[resno];
1333                         l_pdy = l_tccp->prch[resno];
1334                         *lResolutionPtr++ = l_pdx;
1335                         *lResolutionPtr++ = l_pdy;
1336                         l_dx = l_img_comp->dx * (1 << (l_pdx + l_level_no));
1337                         l_dy = l_img_comp->dy * (1 << (l_pdy + l_level_no));
1338                         // take the minimum size for l_dx for each comp and resolution
1339                         *p_dx_min = int_min(*p_dx_min, l_dx);
1340                         *p_dy_min = int_min(*p_dy_min, l_dy);
1341                         // various calculations of extents
1342
1343                         l_rx0 = int_ceildivpow2(l_tcx0, l_level_no);
1344                         l_ry0 = int_ceildivpow2(l_tcy0, l_level_no);
1345                         l_rx1 = int_ceildivpow2(l_tcx1, l_level_no);
1346                         l_ry1 = int_ceildivpow2(l_tcy1, l_level_no);
1347                         l_px0 = int_floordivpow2(l_rx0, l_pdx) << l_pdx;
1348                         l_py0 = int_floordivpow2(l_ry0, l_pdy) << l_pdy;
1349                         l_px1 = int_ceildivpow2(l_rx1, l_pdx) << l_pdx;
1350                         py1 = int_ceildivpow2(l_ry1, l_pdy) << l_pdy;
1351                         l_pw = (l_rx0==l_rx1)?0:((l_px1 - l_px0) >> l_pdx);
1352                         l_ph = (l_ry0==l_ry1)?0:((py1 - l_py0) >> l_pdy);
1353                         *lResolutionPtr++ = l_pw;
1354                         *lResolutionPtr++ = l_ph;
1355                         l_product = l_pw * l_ph;
1356                         // update precision
1357                         if
1358                                 (l_product > *p_max_prec)
1359                         {
1360                                 *p_max_prec = l_product;
1361                         }
1362                         --l_level_no;
1363                 }
1364                 ++l_tccp;
1365                 ++l_img_comp;
1366         }
1367 }
1368
1369 /**
1370  * Allocates memory for a packet iterator. Data and data sizes are set by this operation.
1371  * No other data is set. The include section of the packet  iterator is not allocated.
1372  *
1373  * @param       p_image         the image used to initialize the packet iterator (in fact only the number of components is relevant.
1374  * @param       p_cp            the coding parameters.
1375  * @param       p_tile_no       the index of the tile from which creating the packet iterator.
1376  */
1377 opj_pi_iterator_t * pi_create(
1378                                                                 const opj_image_header_t *image,
1379                                                                 const opj_cp_v2_t *cp,
1380                                                                 OPJ_UINT32 tileno
1381                                                         )
1382 {
1383         // loop
1384         OPJ_UINT32 pino, compno;
1385         // number of poc in the p_pi
1386         OPJ_UINT32 l_poc_bound;
1387
1388         // pointers to tile coding parameters and components.
1389         opj_pi_iterator_t *l_pi = 00;
1390         opj_tcp_v2_t *tcp = 00;
1391         const opj_tccp_t *tccp = 00;
1392
1393         // current packet iterator being allocated
1394         opj_pi_iterator_t *l_current_pi = 00;
1395
1396         // preconditions in debug
1397         assert(cp != 00);
1398         assert(image != 00);
1399         assert(tileno < cp->tw * cp->th);
1400
1401         // initializations
1402         tcp = &cp->tcps[tileno];
1403         l_poc_bound = tcp->numpocs+1;
1404
1405         // memory allocations
1406         l_pi = (opj_pi_iterator_t*) opj_calloc((l_poc_bound), sizeof(opj_pi_iterator_t));
1407         if (!l_pi) {
1408                 return NULL;
1409         }
1410         memset(l_pi,0,l_poc_bound * sizeof(opj_pi_iterator_t));
1411
1412         l_current_pi = l_pi;
1413         for (pino = 0; pino < l_poc_bound ; ++pino) {
1414
1415                 l_current_pi->comps = (opj_pi_comp_t*) opj_calloc(image->numcomps, sizeof(opj_pi_comp_t));
1416                 if (! l_current_pi->comps) {
1417                         pi_destroy_v2(l_pi, l_poc_bound);
1418                         return NULL;
1419                 }
1420
1421                 l_current_pi->numcomps = image->numcomps;
1422                 memset(l_current_pi->comps,0,image->numcomps * sizeof(opj_pi_comp_t));
1423
1424                 for (compno = 0; compno < image->numcomps; ++compno) {
1425                         opj_pi_comp_t *comp = &l_current_pi->comps[compno];
1426
1427                         tccp = &tcp->tccps[compno];
1428
1429                         comp->resolutions = (opj_pi_resolution_t*) opj_malloc(tccp->numresolutions * sizeof(opj_pi_resolution_t));
1430                         if (!comp->resolutions) {
1431                                 pi_destroy_v2(l_pi, l_poc_bound);
1432                                 return 00;
1433                         }
1434
1435                         comp->numresolutions = tccp->numresolutions;
1436                         memset(comp->resolutions,0,tccp->numresolutions * sizeof(opj_pi_resolution_t));
1437                 }
1438                 ++l_current_pi;
1439         }
1440         return l_pi;
1441 }
1442
1443
1444
1445 /**
1446  * Destroys a packet iterator array.
1447  *
1448  * @param       p_pi                    the packet iterator array to destroy.
1449  * @param       p_nb_elements   the number of elements in the array.
1450  */
1451 void pi_destroy_v2(
1452                                 opj_pi_iterator_t *p_pi,
1453                                 OPJ_UINT32 p_nb_elements)
1454 {
1455         OPJ_UINT32 compno, pino;
1456         opj_pi_iterator_t *l_current_pi = p_pi;
1457         if
1458                 (p_pi)
1459         {
1460                 if
1461                         (p_pi->include)
1462                 {
1463                         opj_free(p_pi->include);
1464                         p_pi->include = 00;
1465                 }
1466                 // TODO
1467                 for
1468                         (pino = 0; pino < p_nb_elements; ++pino)
1469                 {
1470                         if
1471                                 (l_current_pi->comps)
1472                         {
1473                                 opj_pi_comp_t *l_current_component = l_current_pi->comps;
1474                                 for
1475                                         (compno = 0; compno < l_current_pi->numcomps; compno++)
1476                                 {
1477                                         if
1478                                                 (l_current_component->resolutions)
1479                                         {
1480                                                 opj_free(l_current_component->resolutions);
1481                                                 l_current_component->resolutions = 00;
1482                                         }
1483                                         ++l_current_component;
1484                                 }
1485                                 opj_free(l_current_pi->comps);
1486                                 l_current_pi->comps = 0;
1487                         }
1488                         ++l_current_pi;
1489                 }
1490                 opj_free(p_pi);
1491         }
1492 }
1493
1494
1495
1496 void pi_update_decode_poc (opj_pi_iterator_t * p_pi,opj_tcp_v2_t * p_tcp,OPJ_UINT32 p_max_precision,OPJ_UINT32 p_max_res)
1497 {
1498         // loop
1499         OPJ_UINT32 pino;
1500
1501         // encoding prameters to set
1502         OPJ_UINT32 l_bound;
1503
1504         opj_pi_iterator_t * l_current_pi = 00;
1505         opj_poc_t* l_current_poc = 0;
1506
1507         // preconditions in debug
1508         assert(p_pi != 00);
1509         assert(p_tcp != 00);
1510
1511         // initializations
1512         l_bound = p_tcp->numpocs+1;
1513         l_current_pi = p_pi;
1514         l_current_poc = p_tcp->pocs;
1515
1516         for
1517                 (pino = 0;pino<l_bound;++pino)
1518         {
1519                 l_current_pi->poc.prg = l_current_poc->prg;
1520                 l_current_pi->first = 1;
1521
1522                 l_current_pi->poc.resno0 = l_current_poc->resno0;
1523                 l_current_pi->poc.compno0 = l_current_poc->compno0;
1524                 l_current_pi->poc.layno0 = 0;
1525                 l_current_pi->poc.precno0 = 0;
1526                 l_current_pi->poc.resno1 = l_current_poc->resno1;
1527                 l_current_pi->poc.compno1 = l_current_poc->compno1;
1528                 l_current_pi->poc.layno1 = l_current_poc->layno1;
1529                 l_current_pi->poc.precno1 = p_max_precision;
1530                 ++l_current_pi;
1531                 ++l_current_poc;
1532         }
1533 }
1534
1535
1536 void pi_update_decode_not_poc (opj_pi_iterator_t * p_pi,opj_tcp_v2_t * p_tcp,OPJ_UINT32 p_max_precision,OPJ_UINT32 p_max_res)
1537 {
1538         // loop
1539         OPJ_UINT32 pino;
1540
1541         // encoding prameters to set
1542         OPJ_UINT32 l_bound;
1543
1544         opj_pi_iterator_t * l_current_pi = 00;
1545         // preconditions in debug
1546         assert(p_tcp != 00);
1547         assert(p_pi != 00);
1548
1549         // initializations
1550         l_bound = p_tcp->numpocs+1;
1551         l_current_pi = p_pi;
1552
1553         for
1554                 (pino = 0;pino<l_bound;++pino)
1555         {
1556                 l_current_pi->poc.prg = p_tcp->prg;
1557                 l_current_pi->first = 1;
1558                 l_current_pi->poc.resno0 = 0;
1559                 l_current_pi->poc.compno0 = 0;
1560                 l_current_pi->poc.layno0 = 0;
1561                 l_current_pi->poc.precno0 = 0;
1562                 l_current_pi->poc.resno1 = p_max_res;
1563                 l_current_pi->poc.compno1 = l_current_pi->numcomps;
1564                 l_current_pi->poc.layno1 = p_tcp->numlayers;
1565                 l_current_pi->poc.precno1 = p_max_precision;
1566                 ++l_current_pi;
1567         }
1568 }