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 "openjpeg.h"
  38 #include "compat/getopt.h"
  39 #include "convert.h"
  40 #include "dirent.h"
  41 #include "index.h"
  42
  43 #ifndef WIN32
  44 #include <strings.h>
  45 #define _stricmp strcasecmp
  46 #define _strnicmp strncasecmp
  47 #endif
  48
  49 /* ----------------------------------------------------------------------- */
  50
  51 #define J2K_CFMT 0
  52 #define JP2_CFMT 1
  53 #define JPT_CFMT 2
  54
  55 #define PXM_DFMT 10
  56 #define PGX_DFMT 11
  57 #define BMP_DFMT 12
  58 #define YUV_DFMT 13
  59 #define TIF_DFMT 14
  60 #define RAW_DFMT 15
  61 #define TGA_DFMT 16
  62 #define PNG_DFMT 17
  63 /* ----------------------------------------------------------------------- */
  64
  65 typedef struct dircnt{
  66         /** Buffer for holding images read from Directory*/
  67         char *filename_buf;
  68         /** Pointer to the buffer*/
  69         char **filename;
  70 }dircnt_t;
  71
  72
  73 typedef struct img_folder{
  74         /** The directory path of the folder containing input images*/
  75         char *imgdirpath;
  76         /** Output format*/
  77         const char *out_format;
  78         /** Enable option*/
  79         char set_imgdir;
  80         /** Enable Cod Format for output*/
  81         char set_out_format;
  82
  83 }img_fol_t;
  84
  85 void decode_help_display() {
  86         fprintf(stdout,"HELP\n----\n\n");
  87         fprintf(stdout,"- the -h option displays this help information on screen\n\n");
  88
  89 /* UniPG>> */
  90         fprintf(stdout,"List of parameters for the JPEG 2000 "
  91 #ifdef USE_JPWL
  92                 "+ JPWL "
  93 #endif /* USE_JPWL */
  94                 "decoder:\n");
  95 /* <<UniPG */
  96         fprintf(stdout,"\n");
  97         fprintf(stdout,"\n");
  98         fprintf(stdout,"  -ImgDir \n");
  99         fprintf(stdout,"        Image file Directory path \n");
 100         fprintf(stdout,"  -OutFor \n");
 101         fprintf(stdout,"    REQUIRED only if -ImgDir is used\n");
 102         fprintf(stdout,"          Need to specify only format without filename <BMP>  \n");
 103         fprintf(stdout,"    Currently accepts PGM, PPM, PNM, PGX, BMP, TIF, RAW and TGA formats\n");
 104         fprintf(stdout,"  -i <compressed file>\n");
 105         fprintf(stdout,"    REQUIRED only if an Input image directory not specified\n");
 106         fprintf(stdout,"    Currently accepts J2K-files, JP2-files and JPT-files. The file type\n");
 107         fprintf(stdout,"    is identified based on its suffix.\n");
 108         fprintf(stdout,"  -o <decompressed file>\n");
 109         fprintf(stdout,"    REQUIRED\n");
 110         fprintf(stdout,"    Currently accepts PGM, PPM, PNM, PGX, BMP, TIF, RAW and TGA files\n");
 111         fprintf(stdout,"    Binary data is written to the file (not ascii). If a PGX\n");
 112         fprintf(stdout,"    filename is given, there will be as many output files as there are\n");
 113         fprintf(stdout,"    components: an indice starting from 0 will then be appended to the\n");
 114         fprintf(stdout,"    output filename, just before the \"pgx\" extension. If a PGM filename\n");
 115         fprintf(stdout,"    is given and there are more than one component, only the first component\n");
 116         fprintf(stdout,"    will be written to the file.\n");
 117         fprintf(stdout,"  -r <reduce factor>\n");
 118         fprintf(stdout,"    Set the number of highest resolution levels to be discarded. The\n");
 119         fprintf(stdout,"    image resolution is effectively divided by 2 to the power of the\n");
 120         fprintf(stdout,"    number of discarded levels. The reduce factor is limited by the\n");
 121         fprintf(stdout,"    smallest total number of decomposition levels among tiles.\n");
 122         fprintf(stdout,"  -l <number of quality layers to decode>\n");
 123         fprintf(stdout,"    Set the maximum number of quality layers to decode. If there are\n");
 124         fprintf(stdout,"    less quality layers than the specified number, all the quality layers\n");
 125         fprintf(stdout,"    are decoded.\n");
 126         fprintf(stdout,"  -x  \n");
 127         fprintf(stdout,"    Create an index file *.Idx (-x index_name.Idx) \n");
 128         fprintf(stdout,"\n");
 129 /* UniPG>> */
 130 #ifdef USE_JPWL
 131         fprintf(stdout,"  -W <options>\n");
 132         fprintf(stdout,"    Activates the JPWL correction capability, if the codestream complies.\n");
 133         fprintf(stdout,"    Options can be a comma separated list of <param=val> tokens:\n");
 134         fprintf(stdout,"    c, c=numcomps\n");
 135         fprintf(stdout,"       numcomps is the number of expected components in the codestream\n");
 136         fprintf(stdout,"       (search of first EPB rely upon this, default is %d)\n", JPWL_EXPECTED_COMPONENTS);
 137 #endif /* USE_JPWL */
 138 /* <<UniPG */
 139         fprintf(stdout,"\n");
 140 }
 141
 142 /* -------------------------------------------------------------------------- */
 143
 144 int get_num_images(char *imgdirpath){
 145         DIR *dir;
 146         struct dirent* content;
 147         int num_images = 0;
 148
 149         /*Reading the input images from given input directory*/
 150
 151         dir= opendir(imgdirpath);
 152         if(!dir){
 153                 fprintf(stderr,"Could not open Folder %s\n",imgdirpath);
 154                 return 0;
 155         }
 156
 157         while((content=readdir(dir))!=NULL){
 158                 if(strcmp(".",content->d_name)==0 || strcmp("..",content->d_name)==0 )
 159                         continue;
 160                 num_images++;
 161         }
 162         return num_images;
 163 }
 164
 165 int load_images(dircnt_t *dirptr, char *imgdirpath){
 166         DIR *dir;
 167         struct dirent* content;
 168         int i = 0;
 169
 170         /*Reading the input images from given input directory*/
 171
 172         dir= opendir(imgdirpath);
 173         if(!dir){
 174                 fprintf(stderr,"Could not open Folder %s\n",imgdirpath);
 175                 return 1;
 176         }else   {
 177                 fprintf(stderr,"Folder opened successfully\n");
 178         }
 179
 180         while((content=readdir(dir))!=NULL){
 181                 if(strcmp(".",content->d_name)==0 || strcmp("..",content->d_name)==0 )
 182                         continue;
 183
 184                 strcpy(dirptr->filename[i],content->d_name);
 185                 i++;
 186         }
 187         return 0;
 188 }
 189
 190 int get_file_format(char *filename) {
 191         unsigned int i;
 192         static const char *extension[] = {"pgx", "pnm", "pgm", "ppm", "bmp","tif", "raw", "tga", "png", "j2k", "jp2", "jpt", "j2c", "jpc"  };
 193         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 };
 194         char * ext = strrchr(filename, '.');
 195         if (ext == NULL)
 196                 return -1;
 197         ext++;
 198         if(ext) {
 199                 for(i = 0; i < sizeof(format)/sizeof(*format); i++) {
 200                         if(_strnicmp(ext, extension[i], 3) == 0) {
 201                                 return format[i];
 202                         }
 203                 }
 204         }
 205
 206         return -1;
 207 }
 208
 209 char get_next_file(int imageno,dircnt_t *dirptr,img_fol_t *img_fol, opj_dparameters_t *parameters){
 210         char image_filename[OPJ_PATH_LEN], infilename[OPJ_PATH_LEN],outfilename[OPJ_PATH_LEN],temp_ofname[OPJ_PATH_LEN];
 211         char *temp_p, temp1[OPJ_PATH_LEN]="";
 212
 213         strcpy(image_filename,dirptr->filename[imageno]);
 214         fprintf(stderr,"File Number %d \"%s\"\n",imageno,image_filename);
 215         parameters->decod_format = get_file_format(image_filename);
 216         if (parameters->decod_format == -1)
 217                 return 1;
 218         sprintf(infilename,"%s/%s",img_fol->imgdirpath,image_filename);
 219         strncpy(parameters->infile, infilename, sizeof(infilename));
 220
 221         //Set output file
 222         strcpy(temp_ofname,strtok(image_filename,"."));
 223         while((temp_p = strtok(NULL,".")) != NULL){
 224                 strcat(temp_ofname,temp1);
 225                 sprintf(temp1,".%s",temp_p);
 226         }
 227         if(img_fol->set_out_format==1){
 228                 sprintf(outfilename,"%s/%s.%s",img_fol->imgdirpath,temp_ofname,img_fol->out_format);
 229                 strncpy(parameters->outfile, outfilename, sizeof(outfilename));
 230         }
 231         return 0;
 232 }
 233
 234 /* -------------------------------------------------------------------------- */
 235 int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,img_fol_t *img_fol, char *indexfilename) {
 236         /* parse the command line */
 237         int totlen;
 238         option_t long_option[]={
 239                 {"ImgDir",REQ_ARG, NULL ,'y'},
 240                 {"OutFor",REQ_ARG, NULL ,'O'},
 241         };
 242
 243         const char optlist[] = "i:o:r:l:hx:"
 244
 245 /* UniPG>> */
 246 #ifdef USE_JPWL
 247                                         "W:"
 248 #endif /* USE_JPWL */
 249 /* <<UniPG */
 250                                         ;
 251         totlen=sizeof(long_option);
 252         img_fol->set_out_format = 0;
 253         while (1) {
 254                 int c = getopt_long(argc, argv,optlist,long_option,totlen);
 255                 if (c == -1)
 256                         break;
 257                 switch (c) {
 258                         case 'i':                       /* input file */
 259                         {
 260                                 char *infile = optarg;
 261                                 parameters->decod_format = get_file_format(infile);
 262                                 switch(parameters->decod_format) {
 263                                         case J2K_CFMT:
 264                                         case JP2_CFMT:
 265                                         case JPT_CFMT:
 266                                                 break;
 267                                         default:
 268                                                 fprintf(stderr,
 269                                                         "!! Unrecognized format for infile : %s [accept only *.j2k, *.jp2, *.jpc or *.jpt] !!\n\n",
 270                                                         infile);
 271                                                 return 1;
 272                                 }
 273                                 strncpy(parameters->infile, infile, sizeof(parameters->infile)-1);
 274                         }
 275                         break;
 276
 277                                 /* ----------------------------------------------------- */
 278
 279                         case 'o':                       /* output file */
 280                         {
 281                                 char *outfile = optarg;
 282                                 parameters->cod_format = get_file_format(outfile);
 283                                 switch(parameters->cod_format) {
 284                                         case PGX_DFMT:
 285                                         case PXM_DFMT:
 286                                         case BMP_DFMT:
 287                                         case TIF_DFMT:
 288                                         case RAW_DFMT:
 289                                         case TGA_DFMT:
 290                                         case PNG_DFMT:
 291                                                 break;
 292                                         default:
 293                                                 fprintf(stderr, "Unknown output format image %s [only *.pnm, *.pgm, *.ppm, *.pgx, *.bmp, *.tif, *.raw or *.tga]!! \n", outfile);
 294                                                 return 1;
 295                                 }
 296                                 strncpy(parameters->outfile, outfile, sizeof(parameters->outfile)-1);
 297                         }
 298                         break;
 299
 300                                 /* ----------------------------------------------------- */
 301
 302                         case 'O':                       /* output format */
 303                         {
 304                                 char outformat[50];
 305                                 char *of = optarg;
 306                                 sprintf(outformat,".%s",of);
 307                                 img_fol->set_out_format = 1;
 308                                 parameters->cod_format = get_file_format(outformat);
 309                                 switch(parameters->cod_format) {
 310                                         case PGX_DFMT:
 311                                                 img_fol->out_format = "pgx";
 312                                                 break;
 313                                         case PXM_DFMT:
 314                                                 img_fol->out_format = "ppm";
 315                                                 break;
 316                                         case BMP_DFMT:
 317                                                 img_fol->out_format = "bmp";
 318                                                 break;
 319                                         case TIF_DFMT:
 320                                                 img_fol->out_format = "tif";
 321                                                 break;
 322                                         case RAW_DFMT:
 323                                                 img_fol->out_format = "raw";
 324                                                 break;
 325                                         case TGA_DFMT:
 326                                                 img_fol->out_format = "raw";
 327                                                 break;
 328                                         case PNG_DFMT:
 329                                                 img_fol->out_format = "png";
 330                                                 break;
 331                                         default:
 332                                                 fprintf(stderr, "Unknown output format image %s [only *.pnm, *.pgm, *.ppm, *.pgx, *.bmp, *.tif, *.raw or *.tga]!! \n", outformat);
 333                                                 return 1;
 334                                                 break;
 335                                 }
 336                         }
 337                         break;
 338
 339                                 /* ----------------------------------------------------- */
 340
 341
 342                         case 'r':               /* reduce option */
 343                         {
 344                                 sscanf(optarg, "%d", &parameters->cp_reduce);
 345                         }
 346                         break;
 347
 348                                 /* ----------------------------------------------------- */
 349
 350
 351                         case 'l':               /* layering option */
 352                         {
 353                                 sscanf(optarg, "%d", &parameters->cp_layer);
 354                         }
 355                         break;
 356
 357                                 /* ----------------------------------------------------- */
 358
 359                         case 'h':                       /* display an help description */
 360                                 decode_help_display();
 361                                 return 1;
 362
 363                                 /* ------------------------------------------------------ */
 364
 365                         case 'y':                       /* Image Directory path */
 366                                 {
 367                                         img_fol->imgdirpath = (char*)malloc(strlen(optarg) + 1);
 368                                         strcpy(img_fol->imgdirpath,optarg);
 369                                         img_fol->set_imgdir=1;
 370                                 }
 371                                 break;
 372                                 /* ----------------------------------------------------- */
 373                         case 'x':                       /* Creation of index file */
 374                                 {
 375                                         char *index = optarg;
 376                                         strncpy(indexfilename, index, OPJ_PATH_LEN);
 377                                 }
 378                                 break;
 379                                 /* ----------------------------------------------------- */
 380                                 /* UniPG>> */
 381 #ifdef USE_JPWL
 382
 383                         case 'W':                       /* activate JPWL correction */
 384                         {
 385                                 char *token = NULL;
 386
 387                                 token = strtok(optarg, ",");
 388                                 while(token != NULL) {
 389
 390                                         /* search expected number of components */
 391                                         if (*token == 'c') {
 392
 393                                                 static int compno;
 394
 395                                                 compno = JPWL_EXPECTED_COMPONENTS; /* predefined no. of components */
 396
 397                                                 if(sscanf(token, "c=%d", &compno) == 1) {
 398                                                         /* Specified */
 399                                                         if ((compno < 1) || (compno > 256)) {
 400                                                                 fprintf(stderr, "ERROR -> invalid number of components c = %d\n", compno);
 401                                                                 return 1;
 402                                                         }
 403                                                         parameters->jpwl_exp_comps = compno;
 404
 405                                                 } else if (!strcmp(token, "c")) {
 406                                                         /* default */
 407                                                         parameters->jpwl_exp_comps = compno; /* auto for default size */
 408
 409                                                 } else {
 410                                                         fprintf(stderr, "ERROR -> invalid components specified = %s\n", token);
 411                                                         return 1;
 412                                                 };
 413                                         }
 414
 415                                         /* search maximum number of tiles */
 416                                         if (*token == 't') {
 417
 418                                                 static int tileno;
 419
 420                                                 tileno = JPWL_MAXIMUM_TILES; /* maximum no. of tiles */
 421
 422                                                 if(sscanf(token, "t=%d", &tileno) == 1) {
 423                                                         /* Specified */
 424                                                         if ((tileno < 1) || (tileno > JPWL_MAXIMUM_TILES)) {
 425                                                                 fprintf(stderr, "ERROR -> invalid number of tiles t = %d\n", tileno);
 426                                                                 return 1;
 427                                                         }
 428                                                         parameters->jpwl_max_tiles = tileno;
 429
 430                                                 } else if (!strcmp(token, "t")) {
 431                                                         /* default */
 432                                                         parameters->jpwl_max_tiles = tileno; /* auto for default size */
 433
 434                                                 } else {
 435                                                         fprintf(stderr, "ERROR -> invalid tiles specified = %s\n", token);
 436                                                         return 1;
 437                                                 };
 438                                         }
 439
 440                                         /* next token or bust */
 441                                         token = strtok(NULL, ",");
 442                                 };
 443                                 parameters->jpwl_correct = true;
 444                                 fprintf(stdout, "JPWL correction capability activated\n");
 445                                 fprintf(stdout, "- expecting %d components\n", parameters->jpwl_exp_comps);
 446                         }
 447                         break;
 448 #endif /* USE_JPWL */
 449 /* <<UniPG */
 450
 451                                 /* ----------------------------------------------------- */
 452
 453                         default:
 454                                 fprintf(stderr,"WARNING -> this option is not valid \"-%c %s\"\n",c, optarg);
 455                                 break;
 456                 }
 457         }
 458
 459         /* check for possible errors */
 460         if(img_fol->set_imgdir==1){
 461                 if(!(parameters->infile[0]==0)){
 462                         fprintf(stderr, "Error: options -ImgDir and -i cannot be used together !!\n");
 463                         return 1;
 464                 }
 465                 if(img_fol->set_out_format == 0){
 466                         fprintf(stderr, "Error: When -ImgDir is used, -OutFor <FORMAT> must be used !!\n");
 467                         fprintf(stderr, "Only one format allowed! Valid format PGM, PPM, PNM, PGX, BMP, TIF, RAW and TGA!!\n");
 468                         return 1;
 469                 }
 470                 if(!((parameters->outfile[0] == 0))){
 471                         fprintf(stderr, "Error: options -ImgDir and -o cannot be used together !!\n");
 472                         return 1;
 473                 }
 474         }else{
 475                 if((parameters->infile[0] == 0) || (parameters->outfile[0] == 0)) {
 476                         fprintf(stderr, "Error: One of the options -i or -ImgDir must be specified\n");
 477                         fprintf(stderr, "Error: When using -i, -o must be used\n");
 478                         fprintf(stderr, "usage: image_to_j2k -i *.j2k/jp2/j2c -o *.pgm/ppm/pnm/pgx/bmp/tif/raw/tga(+ options)\n");
 479                         return 1;
 480                 }
 481         }
 482
 483         return 0;
 484 }
 485
 486 /* -------------------------------------------------------------------------- */
 487
 488 /**
 489 sample error callback expecting a FILE* client object
 490 */
 491 void error_callback(const char *msg, void *client_data) {
 492         FILE *stream = (FILE*)client_data;
 493         fprintf(stream, "[ERROR] %s", msg);
 494 }
 495 /**
 496 sample warning callback expecting a FILE* client object
 497 */
 498 void warning_callback(const char *msg, void *client_data) {
 499         FILE *stream = (FILE*)client_data;
 500         fprintf(stream, "[WARNING] %s", msg);
 501 }
 502 /**
 503 sample debug callback expecting no client object
 504 */
 505 void info_callback(const char *msg, void *client_data) {
 506         (void)client_data;
 507         fprintf(stdout, "[INFO] %s", msg);
 508 }
 509
 510 /* -------------------------------------------------------------------------- */
 511
 512 int main(int argc, char **argv) {
 513         opj_dparameters_t parameters;   /* decompression parameters */
 514         img_fol_t img_fol;
 515         opj_event_mgr_t event_mgr;              /* event manager */
 516         opj_image_t *image = NULL;
 517         FILE *fsrc = NULL;
 518         unsigned char *src = NULL;
 519         int file_length;
 520         int num_images;
 521         int i,imageno;
 522         dircnt_t *dirptr;
 523         opj_dinfo_t* dinfo = NULL;      /* handle to a decompressor */
 524         opj_cio_t *cio = NULL;
 525         opj_codestream_info_t cstr_info;  /* Codestream information structure */
 526         char indexfilename[OPJ_PATH_LEN];       /* index file name */
 527
 528         /* configure the event callbacks (not required) */
 529         memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
 530         event_mgr.error_handler = error_callback;
 531         event_mgr.warning_handler = warning_callback;
 532         event_mgr.info_handler = info_callback;
 533
 534         /* set decoding parameters to default values */
 535         opj_set_default_decoder_parameters(&parameters);
 536
 537         /* Initialize indexfilename and img_fol */
 538         *indexfilename = 0;
 539         memset(&img_fol,0,sizeof(img_fol_t));
 540
 541         /* parse input and get user encoding parameters */
 542         if(parse_cmdline_decoder(argc, argv, &parameters,&img_fol, indexfilename) == 1) {
 543                 return 1;
 544         }
 545
 546         /* Initialize reading of directory */
 547         if(img_fol.set_imgdir==1){
 548                 num_images=get_num_images(img_fol.imgdirpath);
 549
 550                 dirptr=(dircnt_t*)malloc(sizeof(dircnt_t));
 551                 if(dirptr){
 552                         dirptr->filename_buf = (char*)malloc(num_images*OPJ_PATH_LEN*sizeof(char));     // Stores at max 10 image file names
 553                         dirptr->filename = (char**) malloc(num_images*sizeof(char*));
 554
 555                         if(!dirptr->filename_buf){
 556                                 return 0;
 557                         }
 558                         for(i=0;i<num_images;i++){
 559                                 dirptr->filename[i] = dirptr->filename_buf + i*OPJ_PATH_LEN;
 560                         }
 561                 }
 562                 if(load_images(dirptr,img_fol.imgdirpath)==1){
 563                         return 0;
 564                 }
 565                 if (num_images==0){
 566                         fprintf(stdout,"Folder is empty\n");
 567                         return 0;
 568                 }
 569         }else{
 570                 num_images=1;
 571         }
 572
 573         /*Encoding image one by one*/
 574         for(imageno = 0; imageno < num_images ; imageno++)      {
 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 (!fsrc) {
 589                         fprintf(stderr, "ERROR -> failed to open %s for reading\n", parameters.infile);
 590                         return 1;
 591                 }
 592                 fseek(fsrc, 0, SEEK_END);
 593                 file_length = ftell(fsrc);
 594                 fseek(fsrc, 0, SEEK_SET);
 595                 src = (unsigned char *) malloc(file_length);
 596                 fread(src, 1, file_length, fsrc);
 597                 fclose(fsrc);
 598
 599                 /* decode the code-stream */
 600                 /* ---------------------- */
 601
 602                 switch(parameters.decod_format) {
 603                 case J2K_CFMT:
 604                 {
 605                         /* JPEG-2000 codestream */
 606
 607                         /* get a decoder handle */
 608                         dinfo = opj_create_decompress(CODEC_J2K);
 609
 610                         /* catch events using our callbacks and give a local context */
 611                         opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
 612
 613                         /* setup the decoder decoding parameters using user parameters */
 614                         opj_setup_decoder(dinfo, &parameters);
 615
 616                         /* open a byte stream */
 617                         cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
 618
 619                         /* decode the stream and fill the image structure */
 620                         if (*indexfilename)                             // If need to extract codestream information
 621                                 image = opj_decode_with_info(dinfo, cio, &cstr_info);
 622                         else
 623                                 image = opj_decode(dinfo, cio);
 624                         if(!image) {
 625                                 fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
 626                                 opj_destroy_decompress(dinfo);
 627                                 opj_cio_close(cio);
 628                                 return 1;
 629                         }
 630
 631                         /* close the byte stream */
 632                         opj_cio_close(cio);
 633
 634                         /* Write the index to disk */
 635                         if (*indexfilename) {
 636                                 char bSuccess;
 637                                 bSuccess = write_index_file(&cstr_info, indexfilename);
 638                                 if (bSuccess) {
 639                                         fprintf(stderr, "Failed to output index file\n");
 640                                 }
 641                         }
 642                 }
 643                 break;
 644
 645                 case JP2_CFMT:
 646                 {
 647                         /* JPEG 2000 compressed image data */
 648
 649                         /* get a decoder handle */
 650                         dinfo = opj_create_decompress(CODEC_JP2);
 651
 652                         /* catch events using our callbacks and give a local context */
 653                         opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
 654
 655                         /* setup the decoder decoding parameters using the current image and user parameters */
 656                         opj_setup_decoder(dinfo, &parameters);
 657
 658                         /* open a byte stream */
 659                         cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
 660
 661                         /* decode the stream and fill the image structure */
 662                         if (*indexfilename)                             // If need to extract codestream information
 663                                 image = opj_decode_with_info(dinfo, cio, &cstr_info);
 664                         else
 665                                 image = opj_decode(dinfo, cio);
 666                         if(!image) {
 667                                 fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
 668                                 opj_destroy_decompress(dinfo);
 669                                 opj_cio_close(cio);
 670                                 return 1;
 671                         }
 672
 673                         /* close the byte stream */
 674                         opj_cio_close(cio);
 675
 676                         /* Write the index to disk */
 677                         if (*indexfilename) {
 678                                 char bSuccess;
 679                                 bSuccess = write_index_file(&cstr_info, indexfilename);
 680                                 if (bSuccess) {
 681                                         fprintf(stderr, "Failed to output index file\n");
 682                                 }
 683                         }
 684                 }
 685                 break;
 686
 687                 case JPT_CFMT:
 688                 {
 689                         /* JPEG 2000, JPIP */
 690
 691                         /* get a decoder handle */
 692                         dinfo = opj_create_decompress(CODEC_JPT);
 693
 694                         /* catch events using our callbacks and give a local context */
 695                         opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
 696
 697                         /* setup the decoder decoding parameters using user parameters */
 698                         opj_setup_decoder(dinfo, &parameters);
 699
 700                         /* open a byte stream */
 701                         cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
 702
 703                         /* decode the stream and fill the image structure */
 704                         if (*indexfilename)                             // If need to extract codestream information
 705                                 image = opj_decode_with_info(dinfo, cio, &cstr_info);
 706                         else
 707                                 image = opj_decode(dinfo, cio);
 708                         if(!image) {
 709                                 fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
 710                                 opj_destroy_decompress(dinfo);
 711                                 opj_cio_close(cio);
 712                                 return 1;
 713                         }
 714
 715                         /* close the byte stream */
 716                         opj_cio_close(cio);
 717
 718                         /* Write the index to disk */
 719                         if (*indexfilename) {
 720                                 char bSuccess;
 721                                 bSuccess = write_index_file(&cstr_info, indexfilename);
 722                                 if (bSuccess) {
 723                                         fprintf(stderr, "Failed to output index file\n");
 724                                 }
 725                         }
 726                 }
 727                 break;
 728
 729                 default:
 730                         fprintf(stderr, "skipping file..\n");
 731                         continue;
 732         }
 733
 734                 /* free the memory containing the code-stream */
 735                 free(src);
 736                 src = NULL;
 737
 738                 /* create output image */
 739                 /* ------------------- */
 740                 switch (parameters.cod_format) {
 741                 case PXM_DFMT:                  /* PNM PGM PPM */
 742                         if (imagetopnm(image, parameters.outfile)) {
 743                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
 744                         }
 745                         else {
 746                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
 747                         }
 748                         break;
 749
 750                 case PGX_DFMT:                  /* PGX */
 751                         if(imagetopgx(image, parameters.outfile)){
 752                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
 753                         }
 754                         else {
 755                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
 756                         }
 757                         break;
 758
 759                 case BMP_DFMT:                  /* BMP */
 760                         if(imagetobmp(image, parameters.outfile)){
 761                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
 762                         }
 763                         else {
 764                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
 765                         }
 766                         break;
 767
 768                 case TIF_DFMT:                  /* TIFF */
 769                         if(imagetotif(image, parameters.outfile)){
 770                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
 771                         }
 772                         else {
 773                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
 774                         }
 775                         break;
 776
 777                 case RAW_DFMT:                  /* RAW */
 778                         if(imagetoraw(image, parameters.outfile)){
 779                                 fprintf(stdout,"Error generating raw file. Outfile %s not generated\n",parameters.outfile);
 780                         }
 781                         else {
 782                                 fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile);
 783                         }
 784                         break;
 785
 786                 case TGA_DFMT:                  /* TGA */
 787                         if(imagetotga(image, parameters.outfile)){
 788                                 fprintf(stdout,"Error generating tga file. Outfile %s not generated\n",parameters.outfile);
 789                         }
 790                         else {
 791                                 fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile);
 792                         }
 793                         break;
 794
 795                 case PNG_DFMT:                  /* PNG */
 796                         if(imagetopng(image, parameters.outfile)){
 797                                 fprintf(stdout,"Error generating png file. Outfile %s not generated\n",parameters.outfile);
 798                         }
 799                         else {
 800                                 fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile);
 801                         }
 802                         break;
 803                 }
 804
 805                 /* free remaining structures */
 806                 if(dinfo) {
 807                         opj_destroy_decompress(dinfo);
 808                 }
 809                 /* free codestream information structure */
 810                 if (*indexfilename)
 811                         opj_destroy_cstr_info(&cstr_info);
 812                 /* free image data structure */
 813                 opj_image_destroy(image);
 814
 815         }
 816         return 0;
 817 }
 818 //end main
 819
 820
 821
 822