codec/j2k_to_image.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  * Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr>
  10  * All rights reserved.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions and the following disclaimer.
  17  * 2. Redistributions in binary form must reproduce the above copyright
  18  *    notice, this list of conditions and the following disclaimer in the
  19  *    documentation and/or other materials provided with the distribution.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
  22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  31  * POSSIBILITY OF SUCH DAMAGE.
  32  */
  33 #include <stdio.h>
  34 #include <string.h>
  35 #include <stdlib.h>
  36 #include <math.h>
  37 #define USE_OPJ_DEPRECATED
  38 #include "openjpeg.h"
  39 #include "compat/getopt.h"
  40 #include "convert.h"
  41 #include "dirent.h"
  42 #include "index.h"
  43
  44 #ifndef WIN32
  45 #include <strings.h>
  46 #define _stricmp strcasecmp
  47 #define _strnicmp strncasecmp
  48 #endif
  49
  50 /* ----------------------------------------------------------------------- */
  51
  52 #define J2K_CFMT 0
  53 #define JP2_CFMT 1
  54 #define JPT_CFMT 2
  55
  56 #define PXM_DFMT 10
  57 #define PGX_DFMT 11
  58 #define BMP_DFMT 12
  59 #define YUV_DFMT 13
  60 #define TIF_DFMT 14
  61 #define RAW_DFMT 15
  62 #define TGA_DFMT 16
  63 #define PNG_DFMT 17
  64 /* ----------------------------------------------------------------------- */
  65
  66 typedef struct dircnt{
  67         /** Buffer for holding images read from Directory*/
  68         char *filename_buf;
  69         /** Pointer to the buffer*/
  70         char **filename;
  71 }dircnt_t;
  72
  73
  74 typedef struct img_folder{
  75         /** The directory path of the folder containing input images*/
  76         char *imgdirpath;
  77         /** Output format*/
  78         const char *out_format;
  79         /** Enable option*/
  80         char set_imgdir;
  81         /** Enable Cod Format for output*/
  82         char set_out_format;
  83
  84 }img_fol_t;
  85
  86 void decode_help_display() {
  87         fprintf(stdout,"HELP\n----\n\n");
  88         fprintf(stdout,"- the -h option displays this help information on screen\n\n");
  89
  90 /* UniPG>> */
  91         fprintf(stdout,"List of parameters for the JPEG 2000 "
  92 #ifdef USE_JPWL
  93                 "+ JPWL "
  94 #endif /* USE_JPWL */
  95                 "decoder:\n");
  96 /* <<UniPG */
  97         fprintf(stdout,"\n");
  98         fprintf(stdout,"\n");
  99         fprintf(stdout,"  -ImgDir \n");
 100         fprintf(stdout,"        Image file Directory path \n");
 101         fprintf(stdout,"  -OutFor \n");
 102         fprintf(stdout,"    REQUIRED only if -ImgDir is used\n");
 103         fprintf(stdout,"          Need to specify only format without filename <BMP>  \n");
 104         fprintf(stdout,"    Currently accepts PGM, PPM, PNM, PGX, BMP, TIF, RAW and TGA formats\n");
 105         fprintf(stdout,"  -i <compressed file>\n");
 106         fprintf(stdout,"    REQUIRED only if an Input image directory not specified\n");
 107         fprintf(stdout,"    Currently accepts J2K-files, JP2-files and JPT-files. The file type\n");
 108         fprintf(stdout,"    is identified based on its suffix.\n");
 109         fprintf(stdout,"  -o <decompressed file>\n");
 110         fprintf(stdout,"    REQUIRED\n");
 111         fprintf(stdout,"    Currently accepts PGM, PPM, PNM, PGX, BMP, TIF, RAW and TGA files\n");
 112         fprintf(stdout,"    Binary data is written to the file (not ascii). If a PGX\n");
 113         fprintf(stdout,"    filename is given, there will be as many output files as there are\n");
 114         fprintf(stdout,"    components: an indice starting from 0 will then be appended to the\n");
 115         fprintf(stdout,"    output filename, just before the \"pgx\" extension. If a PGM filename\n");
 116         fprintf(stdout,"    is given and there are more than one component, only the first component\n");
 117         fprintf(stdout,"    will be written to the file.\n");
 118         fprintf(stdout,"  -r <reduce factor>\n");
 119         fprintf(stdout,"    Set the number of highest resolution levels to be discarded. The\n");
 120         fprintf(stdout,"    image resolution is effectively divided by 2 to the power of the\n");
 121         fprintf(stdout,"    number of discarded levels. The reduce factor is limited by the\n");
 122         fprintf(stdout,"    smallest total number of decomposition levels among tiles.\n");
 123         fprintf(stdout,"  -l <number of quality layers to decode>\n");
 124         fprintf(stdout,"    Set the maximum number of quality layers to decode. If there are\n");
 125         fprintf(stdout,"    less quality layers than the specified number, all the quality layers\n");
 126         fprintf(stdout,"    are decoded.\n");
 127         fprintf(stdout,"  -x  \n");
 128         fprintf(stdout,"    Create an index file *.Idx (-x index_name.Idx) \n");
 129         fprintf(stdout,"\n");
 130 /* UniPG>> */
 131 #ifdef USE_JPWL
 132         fprintf(stdout,"  -W <options>\n");
 133         fprintf(stdout,"    Activates the JPWL correction capability, if the codestream complies.\n");
 134         fprintf(stdout,"    Options can be a comma separated list of <param=val> tokens:\n");
 135         fprintf(stdout,"    c, c=numcomps\n");
 136         fprintf(stdout,"       numcomps is the number of expected components in the codestream\n");
 137         fprintf(stdout,"       (search of first EPB rely upon this, default is %d)\n", JPWL_EXPECTED_COMPONENTS);
 138 #endif /* USE_JPWL */
 139 /* <<UniPG */
 140         fprintf(stdout,"\n");
 141 }
 142
 143 /* -------------------------------------------------------------------------- */
 144
 145 int get_num_images(char *imgdirpath){
 146         DIR *dir;
 147         struct dirent* content;
 148         int num_images = 0;
 149
 150         /*Reading the input images from given input directory*/
 151
 152         dir= opendir(imgdirpath);
 153         if(!dir){
 154                 fprintf(stderr,"Could not open Folder %s\n",imgdirpath);
 155                 return 0;
 156         }
 157
 158         while((content=readdir(dir))!=NULL){
 159                 if(strcmp(".",content->d_name)==0 || strcmp("..",content->d_name)==0 )
 160                         continue;
 161                 num_images++;
 162         }
 163         return num_images;
 164 }
 165
 166 int load_images(dircnt_t *dirptr, char *imgdirpath){
 167         DIR *dir;
 168         struct dirent* content;
 169         int i = 0;
 170
 171         /*Reading the input images from given input directory*/
 172
 173         dir= opendir(imgdirpath);
 174         if(!dir){
 175                 fprintf(stderr,"Could not open Folder %s\n",imgdirpath);
 176                 return 1;
 177         }else   {
 178                 fprintf(stderr,"Folder opened successfully\n");
 179         }
 180
 181         while((content=readdir(dir))!=NULL){
 182                 if(strcmp(".",content->d_name)==0 || strcmp("..",content->d_name)==0 )
 183                         continue;
 184
 185                 strcpy(dirptr->filename[i],content->d_name);
 186                 i++;
 187         }
 188         return 0;
 189 }
 190
 191 int get_file_format(char *filename) {
 192         unsigned int i;
 193         static const char *extension[] = {"pgx", "pnm", "pgm", "ppm", "bmp","tif", "raw", "tga", "png", "j2k", "jp2", "jpt", "j2c", "jpc" };
 194         static const int format[] = { PGX_DFMT, PXM_DFMT, PXM_DFMT, PXM_DFMT, BMP_DFMT, TIF_DFMT, RAW_DFMT, TGA_DFMT, PNG_DFMT, J2K_CFMT, JP2_CFMT, JPT_CFMT, J2K_CFMT, J2K_CFMT };
 195         char * ext = strrchr(filename, '.');
 196         if (ext == NULL)
 197                 return -1;
 198         ext++;
 199         if(ext) {
 200                 for(i = 0; i < sizeof(format)/sizeof(*format); i++) {
 201                         if(_strnicmp(ext, extension[i], 3) == 0) {
 202                                 return format[i];
 203                         }
 204                 }
 205         }
 206
 207         return -1;
 208 }
 209
 210 char get_next_file(int imageno,dircnt_t *dirptr,img_fol_t *img_fol, opj_dparameters_t *parameters){
 211         char image_filename[OPJ_PATH_LEN], infilename[OPJ_PATH_LEN],outfilename[OPJ_PATH_LEN],temp_ofname[OPJ_PATH_LEN];
 212         char *temp_p, temp1[OPJ_PATH_LEN]="";
 213
 214         strcpy(image_filename,dirptr->filename[imageno]);
 215         fprintf(stderr,"File Number %d \"%s\"\n",imageno,image_filename);
 216         parameters->decod_format = get_file_format(image_filename);
 217         if (parameters->decod_format == -1)
 218                 return 1;
 219         sprintf(infilename,"%s/%s",img_fol->imgdirpath,image_filename);
 220         strncpy(parameters->infile, infilename, sizeof(infilename));
 221
 222         //Set output file
 223         strcpy(temp_ofname,strtok(image_filename,"."));
 224         while((temp_p = strtok(NULL,".")) != NULL){
 225                 strcat(temp_ofname,temp1);
 226                 sprintf(temp1,".%s",temp_p);
 227         }
 228         if(img_fol->set_out_format==1){
 229                 sprintf(outfilename,"%s/%s.%s",img_fol->imgdirpath,temp_ofname,img_fol->out_format);
 230                 strncpy(parameters->outfile, outfilename, sizeof(outfilename));
 231         }
 232         return 0;
 233 }
 234
 235 /* -------------------------------------------------------------------------- */
 236 int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,img_fol_t *img_fol, char *indexfilename) {
 237         /* parse the command line */
 238         int totlen;
 239         option_t long_option[]={
 240                 {"ImgDir",REQ_ARG, NULL ,'y'},
 241                 {"OutFor",REQ_ARG, NULL ,'O'},
 242         };
 243
 244         const char optlist[] = "i:o:r:l:hx:"
 245
 246 /* UniPG>> */
 247 #ifdef USE_JPWL
 248                                         "W:"
 249 #endif /* USE_JPWL */
 250 /* <<UniPG */
 251                                         ;
 252         totlen=sizeof(long_option);
 253         img_fol->set_out_format = 0;
 254         while (1) {
 255                 int c = getopt_long(argc, argv,optlist,long_option,totlen);
 256                 if (c == -1)
 257                         break;
 258                 switch (c) {
 259                         case 'i':                       /* input file */
 260                         {
 261                                 char *infile = optarg;
 262                                 parameters->decod_format = get_file_format(infile);
 263                                 switch(parameters->decod_format) {
 264                                         case J2K_CFMT:
 265                                         case JP2_CFMT:
 266                                         case JPT_CFMT:
 267                                                 break;
 268                                         default:
 269                                                 fprintf(stderr,
 270                                                         "!! Unrecognized format for infile : %s [accept only *.j2k, *.jp2, *.jpc or *.jpt] !!\n\n",
 271                                                         infile);
 272                                                 return 1;
 273                                 }
 274                                 strncpy(parameters->infile, infile, sizeof(parameters->infile)-1);
 275                         }
 276                         break;
 277
 278                                 /* ----------------------------------------------------- */
 279
 280                         case 'o':                       /* output file */
 281                         {
 282                                 char *outfile = optarg;
 283                                 parameters->cod_format = get_file_format(outfile);
 284                                 switch(parameters->cod_format) {
 285                                         case PGX_DFMT:
 286                                         case PXM_DFMT:
 287                                         case BMP_DFMT:
 288                                         case TIF_DFMT:
 289                                         case RAW_DFMT:
 290                                         case TGA_DFMT:
 291                                         case PNG_DFMT:
 292                                                 break;
 293                                         default:
 294                                                 fprintf(stderr, "Unknown output format image %s [only *.pnm, *.pgm, *.ppm, *.pgx, *.bmp, *.tif, *.raw or *.tga]!! \n", outfile);
 295                                                 return 1;
 296                                 }
 297                                 strncpy(parameters->outfile, outfile, sizeof(parameters->outfile)-1);
 298                         }
 299                         break;
 300
 301                                 /* ----------------------------------------------------- */
 302
 303                         case 'O':                       /* output format */
 304                         {
 305                                 char outformat[50];
 306                                 char *of = optarg;
 307                                 sprintf(outformat,".%s",of);
 308                                 img_fol->set_out_format = 1;
 309                                 parameters->cod_format = get_file_format(outformat);
 310                                 switch(parameters->cod_format) {
 311                                         case PGX_DFMT:
 312                                                 img_fol->out_format = "pgx";
 313                                                 break;
 314                                         case PXM_DFMT:
 315                                                 img_fol->out_format = "ppm";
 316                                                 break;
 317                                         case BMP_DFMT:
 318                                                 img_fol->out_format = "bmp";
 319                                                 break;
 320                                         case TIF_DFMT:
 321                                                 img_fol->out_format = "tif";
 322                                                 break;
 323                                         case RAW_DFMT:
 324                                                 img_fol->out_format = "raw";
 325                                                 break;
 326                                         case TGA_DFMT:
 327                                                 img_fol->out_format = "raw";
 328                                                 break;
 329                                         case PNG_DFMT:
 330                                                 img_fol->out_format = "png";
 331                                                 break;
 332                                         default:
 333                                                 fprintf(stderr, "Unknown output format image %s [only *.pnm, *.pgm, *.ppm, *.pgx, *.bmp, *.tif, *.raw or *.tga]!! \n", outformat);
 334                                                 return 1;
 335                                                 break;
 336                                 }
 337                         }
 338                         break;
 339
 340                                 /* ----------------------------------------------------- */
 341
 342
 343                         case 'r':               /* reduce option */
 344                         {
 345                                 sscanf(optarg, "%d", &parameters->cp_reduce);
 346                         }
 347                         break;
 348
 349                                 /* ----------------------------------------------------- */
 350
 351
 352                         case 'l':               /* layering option */
 353                         {
 354                                 sscanf(optarg, "%d", &parameters->cp_layer);
 355                         }
 356                         break;
 357
 358                                 /* ----------------------------------------------------- */
 359
 360                         case 'h':                       /* display an help description */
 361                                 decode_help_display();
 362                                 return 1;
 363
 364                                 /* ------------------------------------------------------ */
 365
 366                         case 'y':                       /* Image Directory path */
 367                                 {
 368                                         img_fol->imgdirpath = (char*)malloc(strlen(optarg) + 1);
 369                                         strcpy(img_fol->imgdirpath,optarg);
 370                                         img_fol->set_imgdir=1;
 371                                 }
 372                                 break;
 373                                 /* ----------------------------------------------------- */
 374                         case 'x':                       /* Creation of index file */
 375                                 {
 376                                         char *index = optarg;
 377                                         strncpy(indexfilename, index, OPJ_PATH_LEN);
 378                                 }
 379                                 break;
 380                                 /* ----------------------------------------------------- */
 381                                 /* UniPG>> */
 382 #ifdef USE_JPWL
 383
 384                         case 'W':                       /* activate JPWL correction */
 385                         {
 386                                 char *token = NULL;
 387
 388                                 token = strtok(optarg, ",");
 389                                 while(token != NULL) {
 390
 391                                         /* search expected number of components */
 392                                         if (*token == 'c') {
 393
 394                                                 static int compno;
 395
 396                                                 compno = JPWL_EXPECTED_COMPONENTS; /* predefined no. of components */
 397
 398                                                 if(sscanf(token, "c=%d", &compno) == 1) {
 399                                                         /* Specified */
 400                                                         if ((compno < 1) || (compno > 256)) {
 401                                                                 fprintf(stderr, "ERROR -> invalid number of components c = %d\n", compno);
 402                                                                 return 1;
 403                                                         }
 404                                                         parameters->jpwl_exp_comps = compno;
 405
 406                                                 } else if (!strcmp(token, "c")) {
 407                                                         /* default */
 408                                                         parameters->jpwl_exp_comps = compno; /* auto for default size */
 409
 410                                                 } else {
 411                                                         fprintf(stderr, "ERROR -> invalid components specified = %s\n", token);
 412                                                         return 1;
 413                                                 };
 414                                         }
 415
 416                                         /* search maximum number of tiles */
 417                                         if (*token == 't') {
 418
 419                                                 static int tileno;
 420
 421                                                 tileno = JPWL_MAXIMUM_TILES; /* maximum no. of tiles */
 422
 423                                                 if(sscanf(token, "t=%d", &tileno) == 1) {
 424                                                         /* Specified */
 425                                                         if ((tileno < 1) || (tileno > JPWL_MAXIMUM_TILES)) {
 426                                                                 fprintf(stderr, "ERROR -> invalid number of tiles t = %d\n", tileno);
 427                                                                 return 1;
 428                                                         }
 429                                                         parameters->jpwl_max_tiles = tileno;
 430
 431                                                 } else if (!strcmp(token, "t")) {
 432                                                         /* default */
 433                                                         parameters->jpwl_max_tiles = tileno; /* auto for default size */
 434
 435                                                 } else {
 436                                                         fprintf(stderr, "ERROR -> invalid tiles specified = %s\n", token);
 437                                                         return 1;
 438                                                 };
 439                                         }
 440
 441                                         /* next token or bust */
 442                                         token = strtok(NULL, ",");
 443                                 };
 444                                 parameters->jpwl_correct = true;
 445                                 fprintf(stdout, "JPWL correction capability activated\n");
 446                                 fprintf(stdout, "- expecting %d components\n", parameters->jpwl_exp_comps);
 447                         }
 448                         break;
 449 #endif /* USE_JPWL */
 450 /* <<UniPG */
 451
 452                                 /* ----------------------------------------------------- */
 453
 454                         default:
 455                                 fprintf(stderr,"WARNING -> this option is not valid \"-%c %s\"\n",c, optarg);
 456                                 break;
 457                 }
 458         }
 459
 460         /* check for possible errors */
 461         if(img_fol->set_imgdir==1){
 462                 if(!(parameters->infile[0]==0)){
 463                         fprintf(stderr, "Error: options -ImgDir and -i cannot be used together !!\n");
 464                         return 1;
 465                 }
 466                 if(img_fol->set_out_format == 0){
 467                         fprintf(stderr, "Error: When -ImgDir is used, -OutFor <FORMAT> must be used !!\n");
 468                         fprintf(stderr, "Only one format allowed! Valid format PGM, PPM, PNM, PGX, BMP, TIF, RAW and TGA!!\n");
 469                         return 1;
 470                 }
 471                 if(!((parameters->outfile[0] == 0))){
 472                         fprintf(stderr, "Error: options -ImgDir and -o cannot be used together !!\n");
 473                         return 1;
 474                 }
 475         }else{
 476                 if((parameters->infile[0] == 0) || (parameters->outfile[0] == 0)) {
 477                         fprintf(stderr, "Error: One of the options -i or -ImgDir must be specified\n");
 478                         fprintf(stderr, "Error: When using -i, -o must be used\n");
 479                         fprintf(stderr, "usage: image_to_j2k -i *.j2k/jp2/j2c -o *.pgm/ppm/pnm/pgx/bmp/tif/raw/tga(+ options)\n");
 480                         return 1;
 481                 }
 482         }
 483
 484         return 0;
 485 }
 486
 487 /* -------------------------------------------------------------------------- */
 488
 489 /**
 490 sample error callback expecting a FILE* client object
 491 */
 492 void error_callback(const char *msg, void *client_data) {
 493         FILE *stream = (FILE*)client_data;
 494         fprintf(stream, "[ERROR] %s", msg);
 495 }
 496 /**
 497 sample warning callback expecting a FILE* client object
 498 */
 499 void warning_callback(const char *msg, void *client_data) {
 500         FILE *stream = (FILE*)client_data;
 501         fprintf(stream, "[WARNING] %s", msg);
 502 }
 503 /**
 504 sample debug callback expecting no client object
 505 */
 506 void info_callback(const char *msg, void *client_data) {
 507         (void)client_data;
 508         fprintf(stdout, "[INFO] %s", msg);
 509 }
 510
 511 /* -------------------------------------------------------------------------- */
 512
 513 int main(int argc, char **argv)
 514 {
 515   int ret;
 516         opj_dparameters_t parameters;   /* decompression parameters */
 517         img_fol_t img_fol;
 518         opj_image_t *image = NULL;
 519         FILE *fsrc = NULL;
 520         bool bResult;
 521         int num_images;
 522         int i,imageno;
 523         dircnt_t *dirptr;
 524         opj_codec_t* dinfo = NULL;      /* handle to a decompressor */
 525         opj_stream_t *cio = NULL;
 526         opj_codestream_info_t cstr_info;  /* Codestream information structure */
 527         char indexfilename[OPJ_PATH_LEN];       /* index file name */
 528         OPJ_INT32 l_tile_x0,l_tile_y0;
 529         OPJ_UINT32 l_tile_width,l_tile_height,l_nb_tiles_x,l_nb_tiles_y;
 530
 531         /* configure the event callbacks (not required) */
 532
 533         /* set decoding parameters to default values */
 534         opj_set_default_decoder_parameters(&parameters);
 535
 536         /* Initialize indexfilename and img_fol */
 537         *indexfilename = 0;
 538         memset(&img_fol,0,sizeof(img_fol_t));
 539
 540         /* parse input and get user encoding parameters */
 541         if(parse_cmdline_decoder(argc, argv, &parameters,&img_fol, indexfilename) == 1) {
 542                 return EXIT_FAILURE;
 543         }
 544
 545         /* Initialize reading of directory */
 546         if(img_fol.set_imgdir==1){
 547                 num_images=get_num_images(img_fol.imgdirpath);
 548
 549                 dirptr=(dircnt_t*)malloc(sizeof(dircnt_t));
 550                 if(dirptr){
 551                         dirptr->filename_buf = (char*)malloc(num_images*OPJ_PATH_LEN*sizeof(char));     // Stores at max 10 image file names
 552                         dirptr->filename = (char**) malloc(num_images*sizeof(char*));
 553
 554                         if(!dirptr->filename_buf){
 555                                 return EXIT_FAILURE;
 556                         }
 557                         for(i=0;i<num_images;i++){
 558                                 dirptr->filename[i] = dirptr->filename_buf + i*OPJ_PATH_LEN;
 559                         }
 560                 }
 561                 if(load_images(dirptr,img_fol.imgdirpath)==1){
 562                         return EXIT_FAILURE;
 563                 }
 564                 if (num_images==0){
 565                         fprintf(stdout,"Folder is empty\n");
 566                         return EXIT_FAILURE;
 567                 }
 568         }else{
 569                 num_images=1;
 570         }
 571
 572         /*Encoding image one by one*/
 573         for(imageno = 0; imageno < num_images ; imageno++)
 574         {
 575                 image = NULL;
 576                 fprintf(stderr,"\n");
 577
 578                 if(img_fol.set_imgdir==1){
 579                         if (get_next_file(imageno, dirptr,&img_fol, &parameters)) {
 580                                 fprintf(stderr,"skipping file...\n");
 581                                 continue;
 582                         }
 583                 }
 584
 585                 /* read the input file and put it in memory */
 586                 /* ---------------------------------------- */
 587                 fsrc = fopen(parameters.infile, "rb");
 588                 if
 589                         (!fsrc)
 590                 {
 591                         fprintf(stderr, "ERROR -> failed to open %s for reading\n", parameters.infile);
 592                         return EXIT_FAILURE;
 593                 }
 594                 cio = opj_stream_create_default_file_stream(fsrc,true);
 595                 /* decode the code-stream */
 596                 /* ---------------------- */
 597
 598                 switch
 599                         (parameters.decod_format)
 600                 {
 601                         case J2K_CFMT:
 602                         {
 603                                 /* JPEG-2000 codestream */
 604
 605                                 /* get a decoder handle */
 606                                 dinfo = opj_create_decompress(CODEC_J2K);
 607                                 break;
 608                         }
 609                         case JP2_CFMT:
 610                         {
 611                                 /* JPEG 2000 compressed image data */
 612                                 /* get a decoder handle */
 613                                 dinfo = opj_create_decompress(CODEC_JP2);
 614                                 break;
 615                         }
 616                         case JPT_CFMT:
 617                         {
 618                                 /* JPEG 2000, JPIP */
 619                                 /* get a decoder handle */
 620                                 dinfo = opj_create_decompress(CODEC_JPT);
 621                                 break;
 622                         }
 623                         default:
 624                                 fprintf(stderr, "skipping file..\n");
 625                                 opj_stream_destroy(cio);
 626                                 continue;
 627                 }
 628                 /* catch events using our callbacks and give a local context */
 629
 630                 /* setup the decoder decoding parameters using user parameters */
 631                 opj_setup_decoder(dinfo, &parameters);
 632
 633                 /* decode the stream and fill the image structure */
 634                 /*              if (*indexfilename)                             // If need to extract codestream information
 635                                 image = opj_decode_with_info(dinfo, cio, &cstr_info);
 636                         else
 637                         */
 638                 bResult = opj_read_header(
 639                         dinfo,
 640                         &image,
 641                         &l_tile_x0,
 642                         &l_tile_y0,
 643                         &l_tile_width,
 644                         &l_tile_height,
 645                         &l_nb_tiles_x,
 646                         &l_nb_tiles_y,
 647                         cio);
 648                 image = opj_decode(dinfo, cio);
 649                 bResult = bResult && (image != 00);
 650                 bResult = bResult && opj_end_decompress(dinfo,cio);
 651                 if
 652                         (!image)
 653                 {
 654                         fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
 655                         opj_destroy_codec(dinfo);
 656                         opj_stream_destroy(cio);
 657                         fclose(fsrc);
 658                         return EXIT_FAILURE;
 659                 }
 660
 661                 /* close the byte stream */
 662                 opj_stream_destroy(cio);
 663                 fclose(fsrc);
 664                 /* Write the index to disk */
 665                 if (*indexfilename) {
 666                         char bSuccess;
 667                         bSuccess = write_index_file(&cstr_info, indexfilename);
 668                         if (bSuccess) {
 669                                 fprintf(stderr, "Failed to output index file\n");
 670         ret = EXIT_FAILURE;
 671                         }
 672                 }
 673
 674                 /* create output image */
 675                 /* ------------------- */
 676                 switch (parameters.cod_format) {
 677                 case PXM_DFMT:                  /* PNM PGM PPM */
 678                         if (imagetopnm(image, parameters.outfile)) {
 679                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
 680         ret = EXIT_FAILURE;
 681                         }
 682                         else {
 683                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
 684         ret = EXIT_SUCCESS;
 685                         }
 686                         break;
 687
 688                 case PGX_DFMT:                  /* PGX */
 689                         if(imagetopgx(image, parameters.outfile)){
 690                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
 691         ret = EXIT_FAILURE;
 692                         }
 693                         else {
 694                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
 695         ret = EXIT_SUCCESS;
 696                         }
 697                         break;
 698
 699                 case BMP_DFMT:                  /* BMP */
 700                         if(imagetobmp(image, parameters.outfile)){
 701                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
 702         ret = EXIT_FAILURE;
 703                         }
 704                         else {
 705                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
 706         ret = EXIT_SUCCESS;
 707                         }
 708                         break;
 709
 710                 case TIF_DFMT:                  /* TIFF */
 711                         if(imagetotif(image, parameters.outfile)){
 712                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
 713         ret = EXIT_FAILURE;
 714                         }
 715                         else {
 716                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
 717         ret = EXIT_SUCCESS;
 718                         }
 719                         break;
 720
 721                 case RAW_DFMT:                  /* RAW */
 722                         if(imagetoraw(image, parameters.outfile)){
 723                                 fprintf(stdout,"Error generating raw file. Outfile %s not generated\n",parameters.outfile);
 724         ret = EXIT_FAILURE;
 725                         }
 726                         else {
 727                                 fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile);
 728         ret = EXIT_SUCCESS;
 729                         }
 730                         break;
 731
 732                 case TGA_DFMT:                  /* TGA */
 733                         if(imagetotga(image, parameters.outfile)){
 734                                 fprintf(stdout,"Error generating tga file. Outfile %s not generated\n",parameters.outfile);
 735         ret = EXIT_FAILURE;
 736                         }
 737                         else {
 738                                 fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile);
 739         ret = EXIT_SUCCESS;
 740                         }
 741                         break;
 742
 743                 case PNG_DFMT:                  /* PNG */
 744                         if(imagetopng(image, parameters.outfile)){
 745                                 fprintf(stdout,"Error generating png file. Outfile %s not generated\n",parameters.outfile);
 746                         }
 747                         else {
 748                                 fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile);
 749                         }
 750                         break;
 751
 752                 }
 753
 754                 /* free remaining structures */
 755                 if
 756                         (dinfo)
 757                 {
 758                         opj_destroy_codec(dinfo);
 759                 }
 760                 /* free codestream information structure */
 761                 if (*indexfilename)
 762                         opj_destroy_cstr_info(&cstr_info);
 763                 /* free image data structure */
 764                 opj_image_destroy(image);
 765
 766         }
 767         return ret;
 768 }
 769 //end main
 770
 771
 772
 773