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  * 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 #include <stdio.h>
  33 #include <string.h>
  34 #include <stdlib.h>
  35 #include <math.h>
  36
  37 #include "openjpegConfigure.h"
  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         opj_dparameters_t parameters;   /* decompression parameters */
 515         img_fol_t img_fol;
 516         opj_event_mgr_t event_mgr;              /* event manager */
 517         opj_image_t *image = NULL;
 518         FILE *fsrc = NULL;
 519         unsigned char *src = NULL;
 520         int file_length;
 521         int num_images;
 522         int i,imageno;
 523         dircnt_t *dirptr;
 524         opj_dinfo_t* dinfo = NULL;      /* handle to a decompressor */
 525         opj_cio_t *cio = NULL;
 526         opj_codestream_info_t cstr_info;  /* Codestream information structure */
 527         char indexfilename[OPJ_PATH_LEN];       /* index file name */
 528
 529         /* configure the event callbacks (not required) */
 530         memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
 531         event_mgr.error_handler = error_callback;
 532         event_mgr.warning_handler = warning_callback;
 533         event_mgr.info_handler = info_callback;
 534
 535         /* set decoding parameters to default values */
 536         opj_set_default_decoder_parameters(&parameters);
 537
 538         /* Initialize indexfilename and img_fol */
 539         *indexfilename = 0;
 540         memset(&img_fol,0,sizeof(img_fol_t));
 541
 542         /* parse input and get user encoding parameters */
 543         if(parse_cmdline_decoder(argc, argv, &parameters,&img_fol, indexfilename) == 1) {
 544                 return 1;
 545         }
 546
 547         /* Initialize reading of directory */
 548         if(img_fol.set_imgdir==1){
 549                 num_images=get_num_images(img_fol.imgdirpath);
 550
 551                 dirptr=(dircnt_t*)malloc(sizeof(dircnt_t));
 552                 if(dirptr){
 553                         dirptr->filename_buf = (char*)malloc(num_images*OPJ_PATH_LEN*sizeof(char));     // Stores at max 10 image file names
 554                         dirptr->filename = (char**) malloc(num_images*sizeof(char*));
 555
 556                         if(!dirptr->filename_buf){
 557                                 return 1;
 558                         }
 559                         for(i=0;i<num_images;i++){
 560                                 dirptr->filename[i] = dirptr->filename_buf + i*OPJ_PATH_LEN;
 561                         }
 562                 }
 563                 if(load_images(dirptr,img_fol.imgdirpath)==1){
 564                         return 1;
 565                 }
 566                 if (num_images==0){
 567                         fprintf(stdout,"Folder is empty\n");
 568                         return 1;
 569                 }
 570         }else{
 571                 num_images=1;
 572         }
 573
 574         /*Encoding image one by one*/
 575         for(imageno = 0; imageno < num_images ; imageno++)      {
 576                 image = NULL;
 577                 fprintf(stderr,"\n");
 578
 579                 if(img_fol.set_imgdir==1){
 580                         if (get_next_file(imageno, dirptr,&img_fol, &parameters)) {
 581                                 fprintf(stderr,"skipping file...\n");
 582                                 continue;
 583                         }
 584                 }
 585
 586                 /* read the input file and put it in memory */
 587                 /* ---------------------------------------- */
 588                 fsrc = fopen(parameters.infile, "rb");
 589                 if (!fsrc) {
 590                         fprintf(stderr, "ERROR -> failed to open %s for reading\n", parameters.infile);
 591                         return 1;
 592                 }
 593                 fseek(fsrc, 0, SEEK_END);
 594                 file_length = ftell(fsrc);
 595                 fseek(fsrc, 0, SEEK_SET);
 596                 src = (unsigned char *) malloc(file_length);
 597                 fread(src, 1, file_length, fsrc);
 598                 fclose(fsrc);
 599
 600                 /* decode the code-stream */
 601                 /* ---------------------- */
 602
 603                 switch(parameters.decod_format) {
 604                 case J2K_CFMT:
 605                 {
 606                         /* JPEG-2000 codestream */
 607
 608                         /* get a decoder handle */
 609                         dinfo = opj_create_decompress(CODEC_J2K);
 610
 611                         /* catch events using our callbacks and give a local context */
 612                         opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
 613
 614                         /* setup the decoder decoding parameters using user parameters */
 615                         opj_setup_decoder(dinfo, &parameters);
 616
 617                         /* open a byte stream */
 618                         cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
 619
 620                         /* decode the stream and fill the image structure */
 621                         if (*indexfilename)                             // If need to extract codestream information
 622                                 image = opj_decode_with_info(dinfo, cio, &cstr_info);
 623                         else
 624                                 image = opj_decode(dinfo, cio);
 625                         if(!image) {
 626                                 fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
 627                                 opj_destroy_decompress(dinfo);
 628                                 opj_cio_close(cio);
 629                                 return 1;
 630                         }
 631
 632                         /* close the byte stream */
 633                         opj_cio_close(cio);
 634
 635                         /* Write the index to disk */
 636                         if (*indexfilename) {
 637                                 char bSuccess;
 638                                 bSuccess = write_index_file(&cstr_info, indexfilename);
 639                                 if (bSuccess) {
 640                                         fprintf(stderr, "Failed to output index file\n");
 641                                 }
 642                         }
 643                 }
 644                 break;
 645
 646                 case JP2_CFMT:
 647                 {
 648                         /* JPEG 2000 compressed image data */
 649
 650                         /* get a decoder handle */
 651                         dinfo = opj_create_decompress(CODEC_JP2);
 652
 653                         /* catch events using our callbacks and give a local context */
 654                         opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
 655
 656                         /* setup the decoder decoding parameters using the current image and user parameters */
 657                         opj_setup_decoder(dinfo, &parameters);
 658
 659                         /* open a byte stream */
 660                         cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
 661
 662                         /* decode the stream and fill the image structure */
 663                         if (*indexfilename)                             // If need to extract codestream information
 664                                 image = opj_decode_with_info(dinfo, cio, &cstr_info);
 665                         else
 666                                 image = opj_decode(dinfo, cio);
 667                         if(!image) {
 668                                 fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
 669                                 opj_destroy_decompress(dinfo);
 670                                 opj_cio_close(cio);
 671                                 return 1;
 672                         }
 673
 674                         /* close the byte stream */
 675                         opj_cio_close(cio);
 676
 677                         /* Write the index to disk */
 678                         if (*indexfilename) {
 679                                 char bSuccess;
 680                                 bSuccess = write_index_file(&cstr_info, indexfilename);
 681                                 if (bSuccess) {
 682                                         fprintf(stderr, "Failed to output index file\n");
 683                                 }
 684                         }
 685                 }
 686                 break;
 687
 688                 case JPT_CFMT:
 689                 {
 690                         /* JPEG 2000, JPIP */
 691
 692                         /* get a decoder handle */
 693                         dinfo = opj_create_decompress(CODEC_JPT);
 694
 695                         /* catch events using our callbacks and give a local context */
 696                         opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
 697
 698                         /* setup the decoder decoding parameters using user parameters */
 699                         opj_setup_decoder(dinfo, &parameters);
 700
 701                         /* open a byte stream */
 702                         cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
 703
 704                         /* decode the stream and fill the image structure */
 705                         if (*indexfilename)                             // If need to extract codestream information
 706                                 image = opj_decode_with_info(dinfo, cio, &cstr_info);
 707                         else
 708                                 image = opj_decode(dinfo, cio);
 709                         if(!image) {
 710                                 fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
 711                                 opj_destroy_decompress(dinfo);
 712                                 opj_cio_close(cio);
 713                                 return 1;
 714                         }
 715
 716                         /* close the byte stream */
 717                         opj_cio_close(cio);
 718
 719                         /* Write the index to disk */
 720                         if (*indexfilename) {
 721                                 char bSuccess;
 722                                 bSuccess = write_index_file(&cstr_info, indexfilename);
 723                                 if (bSuccess) {
 724                                         fprintf(stderr, "Failed to output index file\n");
 725                                 }
 726                         }
 727                 }
 728                 break;
 729
 730                 default:
 731                         fprintf(stderr, "skipping file..\n");
 732                         continue;
 733         }
 734
 735                 /* free the memory containing the code-stream */
 736                 free(src);
 737                 src = NULL;
 738
 739                 /* create output image */
 740                 /* ------------------- */
 741                 switch (parameters.cod_format) {
 742                 case PXM_DFMT:                  /* PNM PGM PPM */
 743                         if (imagetopnm(image, parameters.outfile)) {
 744                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
 745                         }
 746                         else {
 747                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
 748                         }
 749                         break;
 750
 751                 case PGX_DFMT:                  /* PGX */
 752                         if(imagetopgx(image, parameters.outfile)){
 753                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
 754                         }
 755                         else {
 756                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
 757                         }
 758                         break;
 759
 760                 case BMP_DFMT:                  /* BMP */
 761                         if(imagetobmp(image, parameters.outfile)){
 762                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
 763                         }
 764                         else {
 765                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
 766                         }
 767                         break;
 768
 769                 case TIF_DFMT:                  /* TIFF */
 770                         if(imagetotif(image, parameters.outfile)){
 771                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
 772                         }
 773                         else {
 774                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
 775                         }
 776                         break;
 777
 778                 case RAW_DFMT:                  /* RAW */
 779                         if(imagetoraw(image, parameters.outfile)){
 780                                 fprintf(stdout,"Error generating raw file. Outfile %s not generated\n",parameters.outfile);
 781                         }
 782                         else {
 783                                 fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile);
 784                         }
 785                         break;
 786
 787                 case TGA_DFMT:                  /* TGA */
 788                         if(imagetotga(image, parameters.outfile)){
 789                                 fprintf(stdout,"Error generating tga file. Outfile %s not generated\n",parameters.outfile);
 790                         }
 791                         else {
 792                                 fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile);
 793                         }
 794                         break;
 795
 796                 case PNG_DFMT:                  /* PNG */
 797                         if(imagetopng(image, parameters.outfile)){
 798                                 fprintf(stdout,"Error generating png file. Outfile %s not generated\n",parameters.outfile);
 799                         }
 800                         else {
 801                                 fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile);
 802                         }
 803                         break;
 804                 }
 805
 806                 /* free remaining structures */
 807                 if(dinfo) {
 808                         opj_destroy_decompress(dinfo);
 809                 }
 810                 /* free codestream information structure */
 811                 if (*indexfilename)
 812                         opj_destroy_cstr_info(&cstr_info);
 813                 /* free image data structure */
 814                 opj_image_destroy(image);
 815
 816         }
 817         return 0;
 818 }
 819 //end main
 820
 821
 822
 823