76f592fd197a5458fe225dedb102f6137345ea9f
[openjpeg.git] / src / bin / jp2 / opj_decompress.c
1 /*
2  * The copyright in this software is being made available under the 2-clauses 
3  * BSD License, included below. This software may be subject to other third 
4  * party and contributor rights, including patent rights, and no such rights
5  * are granted under this license.
6  *
7  * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
8  * Copyright (c) 2002-2014, Professor Benoit Macq
9  * Copyright (c) 2001-2003, David Janssens
10  * Copyright (c) 2002-2003, Yannick Verschueren
11  * Copyright (c) 2003-2007, Francois-Olivier Devaux 
12  * Copyright (c) 2003-2014, Antonin Descampe
13  * Copyright (c) 2005, Herve Drolon, FreeImage Team
14  * Copyright (c) 2006-2007, Parvatha Elangovan
15  * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR 
16  * Copyright (c) 2012, CS Systemes d'Information, France
17  * All rights reserved.
18  *
19  * Redistribution and use in source and binary forms, with or without
20  * modification, are permitted provided that the following conditions
21  * are met:
22  * 1. Redistributions of source code must retain the above copyright
23  *    notice, this list of conditions and the following disclaimer.
24  * 2. Redistributions in binary form must reproduce the above copyright
25  *    notice, this list of conditions and the following disclaimer in the
26  *    documentation and/or other materials provided with the distribution.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
29  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
32  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38  * POSSIBILITY OF SUCH DAMAGE.
39  */
40 #include "opj_apps_config.h"
41
42 #include <stdio.h>
43 #include <string.h>
44 #include <stdlib.h>
45 #include <math.h>
46
47 #ifdef _WIN32
48 #include "windirent.h"
49 #else
50 #include <dirent.h>
51 #endif /* _WIN32 */
52
53 #ifdef _WIN32
54 #include <windows.h>
55 #define strcasecmp _stricmp
56 #define strncasecmp _strnicmp
57 #else
58 #include <strings.h>
59 #include <sys/time.h>
60 #include <sys/resource.h>
61 #include <sys/times.h>
62 #endif /* _WIN32 */
63
64 #include "openjpeg.h"
65 #include "opj_getopt.h"
66 #include "convert.h"
67 #include "index.h"
68
69 #ifdef OPJ_HAVE_LIBLCMS2
70 #include <lcms2.h>
71 #endif
72 #ifdef OPJ_HAVE_LIBLCMS1
73 #include <lcms.h>
74 #endif
75 #include "color.h"
76
77 #include "format_defs.h"
78
79 typedef struct dircnt{
80         /** Buffer for holding images read from Directory*/
81         char *filename_buf;
82         /** Pointer to the buffer*/
83         char **filename;
84 }dircnt_t;
85
86
87 typedef struct img_folder{
88         /** The directory path of the folder containing input images*/
89         char *imgdirpath;
90         /** Output format*/
91         const char *out_format;
92         /** Enable option*/
93         char set_imgdir;
94         /** Enable Cod Format for output*/
95         char set_out_format;
96
97 }img_fol_t;
98
99 typedef enum opj_prec_mode
100 {
101         OPJ_PREC_MODE_CLIP,
102         OPJ_PREC_MODE_SCALE
103 } opj_precision_mode;
104
105 typedef struct opj_prec
106 {
107         OPJ_UINT32         prec;
108         opj_precision_mode mode;
109 }opj_precision;
110
111 typedef struct opj_decompress_params
112 {
113         /** core library parameters */
114         opj_dparameters_t core;
115         
116         /** input file name */
117         char infile[OPJ_PATH_LEN];
118         /** output file name */
119         char outfile[OPJ_PATH_LEN];
120         /** input file format 0: J2K, 1: JP2, 2: JPT */
121         int decod_format;
122         /** output file format 0: PGX, 1: PxM, 2: BMP */
123         int cod_format;
124         
125         /** Decoding area left boundary */
126         OPJ_UINT32 DA_x0;
127         /** Decoding area right boundary */
128         OPJ_UINT32 DA_x1;
129         /** Decoding area up boundary */
130         OPJ_UINT32 DA_y0;
131         /** Decoding area bottom boundary */
132         OPJ_UINT32 DA_y1;
133         /** Verbose mode */
134         OPJ_BOOL m_verbose;
135         
136         /** tile number ot the decoded tile*/
137         OPJ_UINT32 tile_index;
138         /** Nb of tile to decode */
139         OPJ_UINT32 nb_tile_to_decode;
140         
141         opj_precision* precision;
142         OPJ_UINT32     nb_precision;
143         
144         /* force output colorspace to RGB */
145         int force_rgb;
146         /* upsample components according to their dx/dy values */
147         int upsample;
148         /* split output components to different files */
149         int split_pnm;
150 }opj_decompress_parameters;
151
152 /* -------------------------------------------------------------------------- */
153 /* Declarations                                                               */
154 int get_num_images(char *imgdirpath);
155 int load_images(dircnt_t *dirptr, char *imgdirpath);
156 int get_file_format(const char *filename);
157 char get_next_file(int imageno,dircnt_t *dirptr,img_fol_t *img_fol, opj_decompress_parameters *parameters);
158 static int infile_format(const char *fname);
159
160 int parse_cmdline_decoder(int argc, char **argv, opj_decompress_parameters *parameters,img_fol_t *img_fol, char *indexfilename);
161 int parse_DA_values( char* inArg, unsigned int *DA_x0, unsigned int *DA_y0, unsigned int *DA_x1, unsigned int *DA_y1);
162
163 static opj_image_t* convert_gray_to_rgb(opj_image_t* original);
164
165 /* -------------------------------------------------------------------------- */
166 static void decode_help_display(void) {
167         fprintf(stdout,"\nThis is the opj_decompress utility from the OpenJPEG project.\n"
168                        "It decompresses JPEG 2000 codestreams to various image formats.\n"
169                        "It has been compiled against openjp2 library v%s.\n\n",opj_version());
170
171         fprintf(stdout,"Parameters:\n"
172                        "-----------\n"
173                        "\n"
174                        "  -ImgDir <directory> \n"
175                        "        Image file Directory path \n"
176                        "  -OutFor <PBM|PGM|PPM|PNM|PAM|PGX|PNG|BMP|TIF|RAW|RAWL|TGA>\n"
177                        "    REQUIRED only if -ImgDir is used\n"
178                        "        Output format for decompressed images.\n");
179         fprintf(stdout,"  -i <compressed file>\n"
180                        "    REQUIRED only if an Input image directory is not specified\n"
181                        "    Currently accepts J2K-files, JP2-files and JPT-files. The file type\n"
182                        "    is identified based on its suffix.\n");
183         fprintf(stdout,"  -o <decompressed file>\n"
184                        "    REQUIRED\n"
185                        "    Currently accepts formats specified above (see OutFor option)\n"
186                        "    Binary data is written to the file (not ascii). If a PGX\n"
187                        "    filename is given, there will be as many output files as there are\n"
188                        "    components: an indice starting from 0 will then be appended to the\n"
189                        "    output filename, just before the \"pgx\" extension. If a PGM filename\n"
190                        "    is given and there are more than one component, only the first component\n"
191                        "    will be written to the file.\n");
192         fprintf(stdout,"  -r <reduce factor>\n"
193                        "    Set the number of highest resolution levels to be discarded. The\n"
194                        "    image resolution is effectively divided by 2 to the power of the\n"
195                        "    number of discarded levels. The reduce factor is limited by the\n"
196                        "    smallest total number of decomposition levels among tiles.\n"
197                        "  -l <number of quality layers to decode>\n"
198                        "    Set the maximum number of quality layers to decode. If there are\n"
199                        "    less quality layers than the specified number, all the quality layers\n"
200                        "    are decoded.\n");
201         fprintf(stdout,"  -x  \n"
202                        "    Create an index file *.Idx (-x index_name.Idx) \n"
203                        "  -d <x0,y0,x1,y1>\n"
204                        "    OPTIONAL\n"
205                        "    Decoding area\n"
206                        "    By default all the image is decoded.\n"
207                        "  -t <tile_number>\n"
208                        "    OPTIONAL\n"
209                        "    Set the tile number of the decoded tile. Follow the JPEG2000 convention from left-up to bottom-up\n"
210                        "    By default all tiles are decoded.\n");
211         fprintf(stdout,"  -p <comp 0 precision>[C|S][,<comp 1 precision>[C|S][,...]]\n"
212                        "    OPTIONAL\n"
213                        "    Force the precision (bit depth) of components.\n");
214         fprintf(stdout,"    There shall be at least 1 value. Theres no limit on the number of values (comma separated, last values ignored if too much values).\n"
215                        "    If there are less values than components, the last value is used for remaining components.\n"
216                        "    If 'C' is specified (default), values are clipped.\n"
217                        "    If 'S' is specified, values are scaled.\n"
218                        "    A 0 value can be specified (meaning original bit depth).\n");
219         fprintf(stdout,"  -force-rgb\n"
220                        "    Force output image colorspace to RGB\n"
221                        "  -upsample\n"
222                        "    Downsampled components will be upsampled to image size\n"
223                        "  -split-pnm\n"
224                        "    Split output components to different files when writing to PNM\n"
225                        "\n");
226 /* UniPG>> */
227 #ifdef USE_JPWL
228         fprintf(stdout,"  -W <options>\n"
229                        "    Activates the JPWL correction capability, if the codestream complies.\n"
230                        "    Options can be a comma separated list of <param=val> tokens:\n"
231                        "    c, c=numcomps\n"
232                        "       numcomps is the number of expected components in the codestream\n"
233                        "       (search of first EPB rely upon this, default is %d)\n", JPWL_EXPECTED_COMPONENTS);
234 #endif /* USE_JPWL */
235 /* <<UniPG */
236         fprintf(stdout,"\n");
237 }
238
239 /* -------------------------------------------------------------------------- */
240
241 static OPJ_BOOL parse_precision(const char* option, opj_decompress_parameters* parameters)
242 {
243         const char* l_remaining = option;
244         OPJ_BOOL l_result = OPJ_TRUE;
245         
246         /* reset */
247         if (parameters->precision) {
248                 free(parameters->precision);
249                 parameters->precision = NULL;
250         }
251         parameters->nb_precision = 0U;
252         
253         for(;;)
254         {
255                 int prec;
256                 char mode;
257                 char comma;
258                 int count;
259                 
260                 count = sscanf(l_remaining, "%d%c%c", &prec, &mode, &comma);
261                 if (count == 1) {
262                         mode = 'C';
263                         count++;
264                 }
265                 if ((count == 2) || (mode==',')) {
266                         if (mode==',') {
267                                 mode = 'C';
268                         }
269                         comma=',';
270                         count = 3;
271                 }
272                 if (count == 3) {
273                         if ((prec < 1) || (prec > 32)) {
274                                 fprintf(stderr,"Invalid precision %d in precision option %s\n", prec, option);
275                                 l_result = OPJ_FALSE;
276                                 break;
277                         }
278                         if ((mode != 'C') && (mode != 'S')) {
279                                 fprintf(stderr,"Invalid precision mode %c in precision option %s\n", mode, option);
280                                 l_result = OPJ_FALSE;
281                                 break;
282                         }
283                         if (comma != ',') {
284                                 fprintf(stderr,"Invalid character %c in precision option %s\n", comma, option);
285                                 l_result = OPJ_FALSE;
286                                 break;
287                         }
288                         
289                         if (parameters->precision == NULL) {
290                                 /* first one */
291                                 parameters->precision = malloc(sizeof(opj_precision));
292                                 if (parameters->precision == NULL) {
293                                         fprintf(stderr,"Could not allocate memory for precision option\n");
294                                         l_result = OPJ_FALSE;
295                                         break;
296                                 }
297                         } else {
298                                 OPJ_UINT32 l_new_size = parameters->nb_precision + 1U;
299                                 opj_precision* l_new;
300                                 
301                                 if (l_new_size == 0U) {
302                                         fprintf(stderr,"Could not allocate memory for precision option\n");
303                                         l_result = OPJ_FALSE;
304                                         break;
305                                 }
306                                 
307                                 l_new = realloc(parameters->precision, l_new_size * sizeof(opj_precision));
308                                 if (l_new == NULL) {
309                                         fprintf(stderr,"Could not allocate memory for precision option\n");
310                                         l_result = OPJ_FALSE;
311                                         break;
312                                 }
313                                 parameters->precision = l_new;
314                         }
315                         
316                         parameters->precision[parameters->nb_precision].prec = (OPJ_UINT32)prec;
317                         switch (mode) {
318                                 case 'C':
319                                         parameters->precision[parameters->nb_precision].mode = OPJ_PREC_MODE_CLIP;
320                                         break;
321                                 case 'S':
322                                         parameters->precision[parameters->nb_precision].mode = OPJ_PREC_MODE_SCALE;
323                                         break;
324                                 default:
325                                         break;
326                         }
327                         parameters->nb_precision++;
328                         
329                         l_remaining = strchr(l_remaining, ',');
330                         if (l_remaining == NULL) {
331                                 break;
332                         }
333                         l_remaining += 1;
334                 } else {
335                         fprintf(stderr,"Could not parse precision option %s\n", option);
336                         l_result = OPJ_FALSE;
337                         break;
338                 }
339         }
340         
341         return l_result;
342 }
343
344 /* -------------------------------------------------------------------------- */
345
346 int get_num_images(char *imgdirpath){
347         DIR *dir;
348         struct dirent* content; 
349         int num_images = 0;
350
351         /*Reading the input images from given input directory*/
352
353         dir= opendir(imgdirpath);
354         if(!dir){
355                 fprintf(stderr,"Could not open Folder %s\n",imgdirpath);
356                 return 0;
357         }
358         
359         while((content=readdir(dir))!=NULL){
360                 if(strcmp(".",content->d_name)==0 || strcmp("..",content->d_name)==0 )
361                         continue;
362                 num_images++;
363         }
364         return num_images;
365 }
366
367 /* -------------------------------------------------------------------------- */
368 int load_images(dircnt_t *dirptr, char *imgdirpath){
369         DIR *dir;
370         struct dirent* content; 
371         int i = 0;
372
373         /*Reading the input images from given input directory*/
374
375         dir= opendir(imgdirpath);
376         if(!dir){
377                 fprintf(stderr,"Could not open Folder %s\n",imgdirpath);
378                 return 1;
379         }else   {
380                 fprintf(stderr,"Folder opened successfully\n");
381         }
382         
383         while((content=readdir(dir))!=NULL){
384                 if(strcmp(".",content->d_name)==0 || strcmp("..",content->d_name)==0 )
385                         continue;
386
387                 strcpy(dirptr->filename[i],content->d_name);
388                 i++;
389         }
390         return 0;       
391 }
392
393 /* -------------------------------------------------------------------------- */
394 int get_file_format(const char *filename) {
395         unsigned int i;
396         static const char *extension[] = {"pgx", "pnm", "pgm", "ppm", "bmp","tif", "raw", "rawl", "tga", "png", "j2k", "jp2", "jpt", "j2c", "jpc" };
397         static const int format[] = { PGX_DFMT, PXM_DFMT, PXM_DFMT, PXM_DFMT, BMP_DFMT, TIF_DFMT, RAW_DFMT, RAWL_DFMT, TGA_DFMT, PNG_DFMT, J2K_CFMT, JP2_CFMT, JPT_CFMT, J2K_CFMT, J2K_CFMT };
398         char * ext = strrchr(filename, '.');
399         if (ext == NULL)
400                 return -1;
401         ext++;
402         if(*ext) {
403                 for(i = 0; i < sizeof(format)/sizeof(*format); i++) {
404                         if(strcasecmp(ext, extension[i]) == 0) {
405                                 return format[i];
406                         }
407                 }
408         }
409
410         return -1;
411 }
412
413 #ifdef _WIN32
414 const char* path_separator = "\\";
415 #else
416 const char* path_separator = "/";
417 #endif
418
419 /* -------------------------------------------------------------------------- */
420 char get_next_file(int imageno,dircnt_t *dirptr,img_fol_t *img_fol, opj_decompress_parameters *parameters){
421         char image_filename[OPJ_PATH_LEN], infilename[OPJ_PATH_LEN],outfilename[OPJ_PATH_LEN],temp_ofname[OPJ_PATH_LEN];
422         char *temp_p, temp1[OPJ_PATH_LEN]="";
423
424         strcpy(image_filename,dirptr->filename[imageno]);
425         fprintf(stderr,"File Number %d \"%s\"\n",imageno,image_filename);
426         sprintf(infilename, "%s%s%s", img_fol->imgdirpath, path_separator, image_filename);
427         parameters->decod_format = infile_format(infilename);
428         if (parameters->decod_format == -1)
429                 return 1;
430         strncpy(parameters->infile, infilename, sizeof(infilename));
431
432         /*Set output file*/
433         strcpy(temp_ofname,strtok(image_filename,"."));
434         while((temp_p = strtok(NULL,".")) != NULL){
435                 strcat(temp_ofname,temp1);
436                 sprintf(temp1,".%s",temp_p);
437         }
438         if(img_fol->set_out_format==1){
439                 sprintf(outfilename,"%s/%s.%s",img_fol->imgdirpath,temp_ofname,img_fol->out_format);
440                 strncpy(parameters->outfile, outfilename, sizeof(outfilename));
441         }
442         return 0;
443 }
444
445 /* -------------------------------------------------------------------------- */
446 #define JP2_RFC3745_MAGIC "\x00\x00\x00\x0c\x6a\x50\x20\x20\x0d\x0a\x87\x0a"
447 #define JP2_MAGIC "\x0d\x0a\x87\x0a"
448 /* position 45: "\xff\x52" */
449 #define J2K_CODESTREAM_MAGIC "\xff\x4f\xff\x51"
450
451 static int infile_format(const char *fname)
452 {
453         FILE *reader;
454         const char *s, *magic_s;
455         int ext_format, magic_format;
456         unsigned char buf[12];
457         OPJ_SIZE_T l_nb_read;
458
459         reader = fopen(fname, "rb");
460
461         if (reader == NULL)
462                 return -2;
463
464         memset(buf, 0, 12);
465         l_nb_read = fread(buf, 1, 12, reader);
466         fclose(reader);
467         if (l_nb_read != 12)
468                 return -1;
469
470
471
472         ext_format = get_file_format(fname);
473
474         if (ext_format == JPT_CFMT)
475                 return JPT_CFMT;
476
477         if (memcmp(buf, JP2_RFC3745_MAGIC, 12) == 0 || memcmp(buf, JP2_MAGIC, 4) == 0) {
478                 magic_format = JP2_CFMT;
479                 magic_s = ".jp2";
480         }
481         else if (memcmp(buf, J2K_CODESTREAM_MAGIC, 4) == 0) {
482                 magic_format = J2K_CFMT;
483                 magic_s = ".j2k or .jpc or .j2c";
484         }
485         else
486                 return -1;
487
488         if (magic_format == ext_format)
489                 return ext_format;
490
491         s = fname + strlen(fname) - 4;
492
493         fputs("\n===========================================\n", stderr);
494         fprintf(stderr, "The extension of this file is incorrect.\n"
495                                         "FOUND %s. SHOULD BE %s\n", s, magic_s);
496         fputs("===========================================\n", stderr);
497
498         return magic_format;
499 }
500
501 /* -------------------------------------------------------------------------- */
502 /**
503  * Parse the command line
504  */
505 /* -------------------------------------------------------------------------- */
506 int parse_cmdline_decoder(int argc, char **argv, opj_decompress_parameters *parameters,img_fol_t *img_fol, char *indexfilename) {
507         /* parse the command line */
508         int totlen, c;
509         opj_option_t long_option[]={
510                 {"ImgDir",    REQ_ARG, NULL,'y'},
511                 {"OutFor",    REQ_ARG, NULL,'O'},
512                 {"force-rgb", NO_ARG,  NULL, 1},
513                 {"upsample",  NO_ARG,  NULL, 1},
514                 {"split-pnm", NO_ARG,  NULL, 1}
515         };
516
517         const char optlist[] = "i:o:r:l:x:d:t:p:"
518
519 /* UniPG>> */
520 #ifdef USE_JPWL
521                                         "W:"
522 #endif /* USE_JPWL */
523 /* <<UniPG */
524             "h"         ;
525
526         long_option[2].flag = &(parameters->force_rgb);
527         long_option[3].flag = &(parameters->upsample);
528         long_option[4].flag = &(parameters->split_pnm);
529         totlen=sizeof(long_option);
530         opj_reset_options_reading();
531         img_fol->set_out_format = 0;
532         do {
533                 c = opj_getopt_long(argc, argv,optlist,long_option,totlen);
534                 if (c == -1)
535                         break;
536                 switch (c) {
537                         case 0: /* long opt with flag */
538                                 break;
539                         case 'i':                       /* input file */
540                         {
541                                 char *infile = opj_optarg;
542                                 parameters->decod_format = infile_format(infile);
543                                 switch(parameters->decod_format) {
544                                         case J2K_CFMT:
545                                                 break;
546                                         case JP2_CFMT:
547                                                 break;
548                                         case JPT_CFMT:
549                                                 break;
550                                         case -2:
551                                                 fprintf(stderr, 
552                                                         "!! infile cannot be read: %s !!\n\n", 
553                                                         infile);
554                                                 return 1;
555                                         default:
556                                                 fprintf(stderr, 
557                             "[ERROR] Unknown input file format: %s \n"
558                             "        Known file formats are *.j2k, *.jp2, *.jpc or *.jpt\n",
559                                                         infile);
560                                                 return 1;
561                                 }
562                                 strncpy(parameters->infile, infile, sizeof(parameters->infile)-1);
563                         }
564                         break;
565                                 
566                                 /* ----------------------------------------------------- */
567
568                         case 'o':                       /* output file */
569                         {
570                                 char *outfile = opj_optarg;
571                                 parameters->cod_format = get_file_format(outfile);
572                                 switch(parameters->cod_format) {
573                                         case PGX_DFMT:
574                                                 break;
575                                         case PXM_DFMT:
576                                                 break;
577                                         case BMP_DFMT:
578                                                 break;
579                                         case TIF_DFMT:
580                                                 break;
581                                         case RAW_DFMT:
582                                                 break;
583                                         case RAWL_DFMT:
584                                                 break;
585                                         case TGA_DFMT:
586                                                 break;
587                                         case PNG_DFMT:
588                                                 break;
589                                         default:
590                                                 fprintf(stderr, "Unknown output format image %s [only *.pnm, *.pgm, *.ppm, *.pgx, *.bmp, *.tif, *.raw or *.tga]!! \n", outfile);
591                                                 return 1;
592                                 }
593                                 strncpy(parameters->outfile, outfile, sizeof(parameters->outfile)-1);
594                         }
595                         break;
596                         
597                                 /* ----------------------------------------------------- */
598
599                         case 'O':                       /* output format */
600                         {
601                                 char outformat[50];
602                                 char *of = opj_optarg;
603                                 sprintf(outformat,".%s",of);
604                                 img_fol->set_out_format = 1;
605                                 parameters->cod_format = get_file_format(outformat);
606                                 switch(parameters->cod_format) {
607                                         case PGX_DFMT:
608                                                 img_fol->out_format = "pgx";
609                                                 break;
610                                         case PXM_DFMT:
611                                                 img_fol->out_format = "ppm";
612                                                 break;
613                                         case BMP_DFMT:
614                                                 img_fol->out_format = "bmp";
615                                                 break;
616                                         case TIF_DFMT:
617                                                 img_fol->out_format = "tif";
618                                                 break;
619                                         case RAW_DFMT:
620                                                 img_fol->out_format = "raw";
621                                                 break;
622                                         case RAWL_DFMT:
623                                                 img_fol->out_format = "rawl";
624                                                 break;
625                                         case TGA_DFMT:
626                                                 img_fol->out_format = "raw";
627                                                 break;
628                                         case PNG_DFMT:
629                                                 img_fol->out_format = "png";
630                                                 break;
631                                         default:
632                                                 fprintf(stderr, "Unknown output format image %s [only *.pnm, *.pgm, *.ppm, *.pgx, *.bmp, *.tif, *.raw or *.tga]!! \n", outformat);
633                                                 return 1;
634                                                 break;
635                                 }
636                         }
637                         break;
638
639                                 /* ----------------------------------------------------- */
640
641
642                         case 'r':               /* reduce option */
643                         {
644                                 sscanf(opj_optarg, "%u", &(parameters->core.cp_reduce));
645                         }
646                         break;
647                         
648                                 /* ----------------------------------------------------- */
649       
650
651                         case 'l':               /* layering option */
652                         {
653                                 sscanf(opj_optarg, "%u", &(parameters->core.cp_layer));
654                         }
655                         break;
656                         
657                                 /* ----------------------------------------------------- */
658
659                         case 'h':                       /* display an help description */
660                                 decode_help_display();
661                                 return 1;                               
662
663             /* ----------------------------------------------------- */
664
665                         case 'y':                       /* Image Directory path */
666                 {
667                                         img_fol->imgdirpath = (char*)malloc(strlen(opj_optarg) + 1);
668                                         strcpy(img_fol->imgdirpath,opj_optarg);
669                                         img_fol->set_imgdir=1;
670                                 }
671                                 break;
672
673                                 /* ----------------------------------------------------- */
674
675                         case 'd':               /* Input decode ROI */
676                         {
677                                 int size_optarg = (int)strlen(opj_optarg) + 1;
678                                 char *ROI_values = (char*) malloc((size_t)size_optarg);
679                                 ROI_values[0] = '\0';
680                                 strncpy(ROI_values, opj_optarg, strlen(opj_optarg));
681                                 ROI_values[strlen(opj_optarg)] = '\0';
682                                 /*printf("ROI_values = %s [%d / %d]\n", ROI_values, strlen(ROI_values), size_optarg ); */
683                                 parse_DA_values( ROI_values, &parameters->DA_x0, &parameters->DA_y0, &parameters->DA_x1, &parameters->DA_y1);
684
685                                 free(ROI_values);
686                         }
687                         break;
688
689                         /* ----------------------------------------------------- */
690
691                         case 't':               /* Input tile index */
692                         {
693                                 sscanf(opj_optarg, "%u", &parameters->tile_index);
694                                 parameters->nb_tile_to_decode = 1;
695                         }
696                         break;
697
698                                 /* ----------------------------------------------------- */                                                             
699
700                         case 'x':                       /* Creation of index file */
701                                 {
702                                         char *index = opj_optarg;
703                                         strncpy(indexfilename, index, OPJ_PATH_LEN);
704                                 }
705                                 break;
706                                 
707                                 /* ----------------------------------------------------- */
708                         case 'p': /* Force precision */
709                                 {
710                                         if (!parse_precision(opj_optarg, parameters))
711                                         {
712                                                 return 1;
713                                         }
714                                 }
715                                 break;
716                                 /* ----------------------------------------------------- */
717                                 
718                                 /* UniPG>> */
719 #ifdef USE_JPWL
720                         
721                         case 'W':                       /* activate JPWL correction */
722                         {
723                                 char *token = NULL;
724
725                                 token = strtok(opj_optarg, ",");
726                                 while(token != NULL) {
727
728                                         /* search expected number of components */
729                                         if (*token == 'c') {
730
731                                                 static int compno;
732
733                                                 compno = JPWL_EXPECTED_COMPONENTS; /* predefined no. of components */
734
735                                                 if(sscanf(token, "c=%d", &compno) == 1) {
736                                                         /* Specified */
737                                                         if ((compno < 1) || (compno > 256)) {
738                                                                 fprintf(stderr, "ERROR -> invalid number of components c = %d\n", compno);
739                                                                 return 1;
740                                                         }
741                                                         parameters->jpwl_exp_comps = compno;
742
743                                                 } else if (!strcmp(token, "c")) {
744                                                         /* default */
745                                                         parameters->jpwl_exp_comps = compno; /* auto for default size */
746
747                                                 } else {
748                                                         fprintf(stderr, "ERROR -> invalid components specified = %s\n", token);
749                                                         return 1;
750                                                 };
751                                         }
752
753                                         /* search maximum number of tiles */
754                                         if (*token == 't') {
755
756                                                 static int tileno;
757
758                                                 tileno = JPWL_MAXIMUM_TILES; /* maximum no. of tiles */
759
760                                                 if(sscanf(token, "t=%d", &tileno) == 1) {
761                                                         /* Specified */
762                                                         if ((tileno < 1) || (tileno > JPWL_MAXIMUM_TILES)) {
763                                                                 fprintf(stderr, "ERROR -> invalid number of tiles t = %d\n", tileno);
764                                                                 return 1;
765                                                         }
766                                                         parameters->jpwl_max_tiles = tileno;
767
768                                                 } else if (!strcmp(token, "t")) {
769                                                         /* default */
770                                                         parameters->jpwl_max_tiles = tileno; /* auto for default size */
771
772                                                 } else {
773                                                         fprintf(stderr, "ERROR -> invalid tiles specified = %s\n", token);
774                                                         return 1;
775                                                 };
776                                         }
777
778                                         /* next token or bust */
779                                         token = strtok(NULL, ",");
780                                 };
781                                 parameters->jpwl_correct = OPJ_TRUE;
782                                 fprintf(stdout, "JPWL correction capability activated\n");
783                                 fprintf(stdout, "- expecting %d components\n", parameters->jpwl_exp_comps);
784                         }
785                         break;  
786 #endif /* USE_JPWL */
787 /* <<UniPG */            
788
789                                 /* ----------------------------------------------------- */
790                         
791         default:
792             fprintf(stderr, "[WARNING] An invalid option has been ignored.\n");
793             break;
794                 }
795         }while(c != -1);
796
797         /* check for possible errors */
798         if(img_fol->set_imgdir==1){
799                 if(!(parameters->infile[0]==0)){
800             fprintf(stderr, "[ERROR] options -ImgDir and -i cannot be used together.\n");
801                         return 1;
802                 }
803                 if(img_fol->set_out_format == 0){
804             fprintf(stderr, "[ERROR] When -ImgDir is used, -OutFor <FORMAT> must be used.\n");
805             fprintf(stderr, "Only one format allowed.\n"
806                             "Valid format are PGM, PPM, PNM, PGX, BMP, TIF, RAW and TGA.\n");
807                         return 1;
808                 }
809                 if(!((parameters->outfile[0] == 0))){
810             fprintf(stderr, "[ERROR] options -ImgDir and -o cannot be used together.\n");
811                         return 1;
812                 }
813         }else{
814                 if((parameters->infile[0] == 0) || (parameters->outfile[0] == 0)) {
815             fprintf(stderr, "[ERROR] Required parameters are missing\n"
816                             "Example: %s -i image.j2k -o image.pgm\n",argv[0]);
817             fprintf(stderr, "   Help: %s -h\n",argv[0]);
818                         return 1;
819                 }
820         }
821
822         return 0;
823 }
824
825 /* -------------------------------------------------------------------------- */
826 /**
827  * Parse decoding area input values
828  * separator = ","
829  */
830 /* -------------------------------------------------------------------------- */
831 int parse_DA_values( char* inArg, unsigned int *DA_x0, unsigned int *DA_y0, unsigned int *DA_x1, unsigned int *DA_y1)
832 {
833         int it = 0;
834         int values[4];
835         char delims[] = ",";
836         char *result = NULL;
837         result = strtok( inArg, delims );
838
839         while( (result != NULL) && (it < 4 ) ) {
840                 values[it] = atoi(result);
841                 result = strtok( NULL, delims );
842                 it++;
843         }
844
845         if (it != 4) {
846                 return EXIT_FAILURE;
847         }
848         else{
849                 *DA_x0 = (OPJ_UINT32)values[0]; *DA_y0 = (OPJ_UINT32)values[1];
850                 *DA_x1 = (OPJ_UINT32)values[2]; *DA_y1 = (OPJ_UINT32)values[3];
851                 return EXIT_SUCCESS;
852         }
853 }
854
855 OPJ_FLOAT64 opj_clock(void) {
856 #ifdef _WIN32
857         /* _WIN32: use QueryPerformance (very accurate) */
858     LARGE_INTEGER freq , t ;
859     /* freq is the clock speed of the CPU */
860     QueryPerformanceFrequency(&freq) ;
861         /* cout << "freq = " << ((double) freq.QuadPart) << endl; */
862     /* t is the high resolution performance counter (see MSDN) */
863     QueryPerformanceCounter ( & t ) ;
864         return freq.QuadPart ? (t.QuadPart / (OPJ_FLOAT64)freq.QuadPart) : 0;
865 #else
866         /* Unix or Linux: use resource usage */
867     struct rusage t;
868     OPJ_FLOAT64 procTime;
869     /* (1) Get the rusage data structure at this moment (man getrusage) */
870     getrusage(0,&t);
871     /* (2) What is the elapsed time ? - CPU time = User time + System time */
872         /* (2a) Get the seconds */
873     procTime = (OPJ_FLOAT64)(t.ru_utime.tv_sec + t.ru_stime.tv_sec);
874     /* (2b) More precisely! Get the microseconds part ! */
875     return ( procTime + (OPJ_FLOAT64)(t.ru_utime.tv_usec + t.ru_stime.tv_usec) * 1e-6 ) ;
876 #endif
877 }
878
879 /* -------------------------------------------------------------------------- */
880
881 /**
882 sample error callback expecting a FILE* client object
883 */
884 static void error_callback(const char *msg, void *client_data) {
885         (void)client_data;
886         fprintf(stdout, "[ERROR] %s", msg);
887 }
888 /**
889 sample warning callback expecting a FILE* client object
890 */
891 static void warning_callback(const char *msg, void *client_data) {
892         (void)client_data;
893         fprintf(stdout, "[WARNING] %s", msg);
894 }
895 /**
896 sample debug callback expecting no client object
897 */
898 static void info_callback(const char *msg, void *client_data) {
899         (void)client_data;
900         fprintf(stdout, "[INFO] %s", msg);
901 }
902
903 static void set_default_parameters(opj_decompress_parameters* parameters)
904 {
905         if (parameters) {
906                 memset(parameters, 0, sizeof(opj_decompress_parameters));
907                 
908                 /* default decoding parameters (command line specific) */
909                 parameters->decod_format = -1;
910                 parameters->cod_format = -1;
911                 
912                 /* default decoding parameters (core) */
913                 opj_set_default_decoder_parameters(&(parameters->core));
914         }
915 }
916
917 static void destroy_parameters(opj_decompress_parameters* parameters)
918 {
919         if (parameters) {
920                 if (parameters->precision) {
921                         free(parameters->precision);
922                         parameters->precision = NULL;
923                 }
924         }
925 }
926
927 /* -------------------------------------------------------------------------- */
928
929 static opj_image_t* convert_gray_to_rgb(opj_image_t* original)
930 {
931         OPJ_UINT32 compno;
932         opj_image_t* l_new_image = NULL;
933         opj_image_cmptparm_t* l_new_components = NULL;
934         
935         l_new_components = (opj_image_cmptparm_t*)malloc((original->numcomps + 2U) * sizeof(opj_image_cmptparm_t));
936         if (l_new_components == NULL) {
937                 fprintf(stderr, "ERROR -> opj_decompress: failed to allocate memory for RGB image!\n");
938                 opj_image_destroy(original);
939                 return NULL;
940         }
941         
942         l_new_components[0].bpp  = l_new_components[1].bpp  = l_new_components[2].bpp  = original->comps[0].bpp;
943         l_new_components[0].dx   = l_new_components[1].dx   = l_new_components[2].dx   = original->comps[0].dx;
944         l_new_components[0].dy   = l_new_components[1].dy   = l_new_components[2].dy   = original->comps[0].dy;
945         l_new_components[0].h    = l_new_components[1].h    = l_new_components[2].h    = original->comps[0].h;
946         l_new_components[0].w    = l_new_components[1].w    = l_new_components[2].w    = original->comps[0].w;
947         l_new_components[0].prec = l_new_components[1].prec = l_new_components[2].prec = original->comps[0].prec;
948         l_new_components[0].sgnd = l_new_components[1].sgnd = l_new_components[2].sgnd = original->comps[0].sgnd;
949         l_new_components[0].x0   = l_new_components[1].x0   = l_new_components[2].x0   = original->comps[0].x0;
950         l_new_components[0].y0   = l_new_components[1].y0   = l_new_components[2].y0   = original->comps[0].y0;
951         
952         for(compno = 1U; compno < original->numcomps; ++compno) {
953                 l_new_components[compno+2U].bpp  = original->comps[compno].bpp;
954                 l_new_components[compno+2U].dx   = original->comps[compno].dx;
955                 l_new_components[compno+2U].dy   = original->comps[compno].dy;
956                 l_new_components[compno+2U].h    = original->comps[compno].h;
957                 l_new_components[compno+2U].w    = original->comps[compno].w;
958                 l_new_components[compno+2U].prec = original->comps[compno].prec;
959                 l_new_components[compno+2U].sgnd = original->comps[compno].sgnd;
960                 l_new_components[compno+2U].x0   = original->comps[compno].x0;
961                 l_new_components[compno+2U].y0   = original->comps[compno].y0;
962         }
963         
964         l_new_image = opj_image_create(original->numcomps + 2U, l_new_components, OPJ_CLRSPC_SRGB);
965         free(l_new_components);
966         if (l_new_image == NULL) {
967                 fprintf(stderr, "ERROR -> opj_decompress: failed to allocate memory for RGB image!\n");
968                 opj_image_destroy(original);
969                 return NULL;
970         }
971         
972         l_new_image->x0 = original->x0;
973         l_new_image->x1 = original->x1;
974         l_new_image->y0 = original->y0;
975         l_new_image->y1 = original->y1;
976         
977         l_new_image->comps[0].factor        = l_new_image->comps[1].factor        = l_new_image->comps[2].factor        = original->comps[0].factor;
978         l_new_image->comps[0].alpha         = l_new_image->comps[1].alpha         = l_new_image->comps[2].alpha         = original->comps[0].alpha;
979         l_new_image->comps[0].resno_decoded = l_new_image->comps[1].resno_decoded = l_new_image->comps[2].resno_decoded = original->comps[0].resno_decoded;
980         
981         memcpy(l_new_image->comps[0].data, original->comps[0].data, original->comps[0].w * original->comps[0].h * sizeof(OPJ_INT32));
982         memcpy(l_new_image->comps[1].data, original->comps[0].data, original->comps[0].w * original->comps[0].h * sizeof(OPJ_INT32));
983         memcpy(l_new_image->comps[2].data, original->comps[0].data, original->comps[0].w * original->comps[0].h * sizeof(OPJ_INT32));
984         
985         for(compno = 1U; compno < original->numcomps; ++compno) {
986                 l_new_image->comps[compno+2U].factor        = original->comps[compno].factor;
987                 l_new_image->comps[compno+2U].alpha         = original->comps[compno].alpha;
988                 l_new_image->comps[compno+2U].resno_decoded = original->comps[compno].resno_decoded;
989                 memcpy(l_new_image->comps[compno+2U].data, original->comps[compno].data, original->comps[compno].w * original->comps[compno].h * sizeof(OPJ_INT32));
990         }
991         opj_image_destroy(original);
992         return l_new_image;
993 }
994
995 /* -------------------------------------------------------------------------- */
996
997 static opj_image_t* upsample_image_components(opj_image_t* original)
998 {
999         opj_image_t* l_new_image = NULL;
1000         opj_image_cmptparm_t* l_new_components = NULL;
1001         OPJ_BOOL l_upsample_need = OPJ_FALSE;
1002         OPJ_UINT32 compno;
1003
1004         for (compno = 0U; compno < original->numcomps; ++compno) {
1005                 if (original->comps[compno].factor > 0U) {
1006                         fprintf(stderr, "ERROR -> opj_decompress: -upsample not supported with reduction\n");
1007                         opj_image_destroy(original);
1008                         return NULL;
1009                 }
1010                 if ((original->comps[compno].dx > 1U) || (original->comps[compno].dy > 1U)) {
1011                         l_upsample_need = OPJ_TRUE;
1012                         break;
1013                 }
1014         }
1015         if (!l_upsample_need) {
1016                 return original;
1017         }
1018         /* Upsample is needed */
1019         l_new_components = (opj_image_cmptparm_t*)malloc(original->numcomps * sizeof(opj_image_cmptparm_t));
1020         if (l_new_components == NULL) {
1021                 fprintf(stderr, "ERROR -> opj_decompress: failed to allocate memory for upsampled components!\n");
1022                 opj_image_destroy(original);
1023                 return NULL;
1024         }
1025         
1026         for (compno = 0U; compno < original->numcomps; ++compno) {
1027                 opj_image_cmptparm_t* l_new_cmp = &(l_new_components[compno]);
1028                 opj_image_comp_t*     l_org_cmp = &(original->comps[compno]);
1029                 
1030                 l_new_cmp->bpp  = l_org_cmp->bpp;
1031                 l_new_cmp->prec = l_org_cmp->prec;
1032                 l_new_cmp->sgnd = l_org_cmp->sgnd;
1033                 l_new_cmp->x0   = original->x0;
1034                 l_new_cmp->y0   = original->y0;
1035                 l_new_cmp->dx   = 1;
1036                 l_new_cmp->dy   = 1;
1037                 l_new_cmp->w    = l_org_cmp->w; /* should be original->x1 - original->x0 for dx==1 */
1038                 l_new_cmp->h    = l_org_cmp->h; /* should be original->y1 - original->y0 for dy==0 */
1039                 
1040                 if (l_org_cmp->dx > 1U) {
1041                         l_new_cmp->w = original->x1 - original->x0;
1042                 }
1043                 
1044                 if (l_org_cmp->dy > 1U) {
1045                         l_new_cmp->h = original->y1 - original->y0;
1046                 }
1047         }
1048         
1049         l_new_image = opj_image_create(original->numcomps, l_new_components, original->color_space);
1050         free(l_new_components);
1051         if (l_new_image == NULL) {
1052                 fprintf(stderr, "ERROR -> opj_decompress: failed to allocate memory for upsampled components!\n");
1053                 opj_image_destroy(original);
1054                 return NULL;
1055         }
1056         
1057         l_new_image->x0 = original->x0;
1058         l_new_image->x1 = original->x1;
1059         l_new_image->y0 = original->y0;
1060         l_new_image->y1 = original->y1;
1061         
1062         for (compno = 0U; compno < original->numcomps; ++compno) {
1063                 opj_image_comp_t* l_new_cmp = &(l_new_image->comps[compno]);
1064                 opj_image_comp_t* l_org_cmp = &(original->comps[compno]);
1065                 
1066                 l_new_cmp->factor        = l_org_cmp->factor;
1067                 l_new_cmp->alpha         = l_org_cmp->alpha;
1068                 l_new_cmp->resno_decoded = l_org_cmp->resno_decoded;
1069                 
1070                 if ((l_org_cmp->dx > 1U) || (l_org_cmp->dy > 1U)) {
1071                         const OPJ_INT32* l_src = l_org_cmp->data;
1072                         OPJ_INT32*       l_dst = l_new_cmp->data;
1073                         OPJ_UINT32 y;
1074                         OPJ_UINT32 xoff, yoff;
1075                         
1076                         /* need to take into account dx & dy */
1077                         xoff = l_org_cmp->dx * l_org_cmp->x0 -  original->x0;
1078                         yoff = l_org_cmp->dy * l_org_cmp->y0 -  original->y0;
1079                         if ((xoff >= l_org_cmp->dx) || (yoff >= l_org_cmp->dy)) {
1080                                 fprintf(stderr, "ERROR -> opj_decompress: Invalid image/component parameters found when upsampling\n");
1081                                 opj_image_destroy(original);
1082                                 opj_image_destroy(l_new_image);
1083                                 return NULL;
1084                         }
1085                         
1086                         for (y = 0U; y < yoff; ++y) {
1087                                 memset(l_dst, 0U, l_new_cmp->w * sizeof(OPJ_INT32));
1088                                 l_dst += l_new_cmp->w;
1089                         }
1090                         
1091                         if(l_new_cmp->h > (l_org_cmp->dy - 1U)) { /* check substraction overflow for really small images */
1092                                 for (; y < l_new_cmp->h - (l_org_cmp->dy - 1U); y += l_org_cmp->dy) {
1093                                         OPJ_UINT32 x, dy;
1094                                         OPJ_UINT32 xorg;
1095                                         
1096                                         xorg = 0U;
1097                                         for (x = 0U; x < xoff; ++x) {
1098                                                 l_dst[x] = 0;
1099                                         }
1100                                         if (l_new_cmp->w > (l_org_cmp->dx - 1U)) { /* check substraction overflow for really small images */
1101                                                 for (; x < l_new_cmp->w - (l_org_cmp->dx - 1U); x += l_org_cmp->dx, ++xorg) {
1102                                                         OPJ_UINT32 dx;
1103                                                         for (dx = 0U; dx < l_org_cmp->dx; ++dx) {
1104                                                                 l_dst[x + dx] = l_src[xorg];
1105                                                         }
1106                                                 }
1107                                         }
1108                                         for (; x < l_new_cmp->w; ++x) {
1109                                                 l_dst[x] = l_src[xorg];
1110                                         }
1111                                         l_dst += l_new_cmp->w;
1112                                                 
1113                                         for (dy = 1U; dy < l_org_cmp->dy; ++dy) {
1114                                                 memcpy(l_dst, l_dst - l_new_cmp->w, l_new_cmp->w * sizeof(OPJ_INT32));
1115                                                 l_dst += l_new_cmp->w;
1116                                         }
1117                                         l_src += l_org_cmp->w;
1118                                 }
1119                         }
1120                         if (y < l_new_cmp->h) {
1121                                 OPJ_UINT32 x;
1122                                 OPJ_UINT32 xorg;
1123                                 
1124                                 xorg = 0U;
1125                                 for (x = 0U; x < xoff; ++x) {
1126                                         l_dst[x] = 0;
1127                                 }
1128                                 if (l_new_cmp->w > (l_org_cmp->dx - 1U)) { /* check substraction overflow for really small images */
1129                                         for (; x < l_new_cmp->w - (l_org_cmp->dx - 1U); x += l_org_cmp->dx, ++xorg) {
1130                                                 OPJ_UINT32 dx;
1131                                                 for (dx = 0U; dx < l_org_cmp->dx; ++dx) {
1132                                                         l_dst[x + dx] = l_src[xorg];
1133                                                 }
1134                                         }
1135                                 }
1136                                 for (; x < l_new_cmp->w; ++x) {
1137                                         l_dst[x] = l_src[xorg];
1138                                 }
1139                                 l_dst += l_new_cmp->w;
1140                                 ++y;
1141                                 for (; y < l_new_cmp->h; ++y) {
1142                                         memcpy(l_dst, l_dst - l_new_cmp->w, l_new_cmp->w * sizeof(OPJ_INT32));
1143                                         l_dst += l_new_cmp->w;
1144                                 }
1145                         }
1146                 }
1147                 else {
1148                         memcpy(l_new_cmp->data, l_org_cmp->data, l_org_cmp->w * l_org_cmp->h * sizeof(OPJ_INT32));
1149                 }
1150         }
1151         opj_image_destroy(original);
1152         return l_new_image;
1153 }
1154
1155 /* -------------------------------------------------------------------------- */
1156 /**
1157  * OPJ_DECOMPRESS MAIN
1158  */
1159 /* -------------------------------------------------------------------------- */
1160 int main(int argc, char **argv)
1161 {
1162         opj_decompress_parameters parameters;                   /* decompression parameters */
1163         opj_image_t* image = NULL;
1164         opj_stream_t *l_stream = NULL;                          /* Stream */
1165         opj_codec_t* l_codec = NULL;                            /* Handle to a decompressor */
1166         opj_codestream_index_t* cstr_index = NULL;
1167
1168         char indexfilename[OPJ_PATH_LEN];       /* index file name */
1169
1170         OPJ_INT32 num_images, imageno;
1171         img_fol_t img_fol;
1172         dircnt_t *dirptr = NULL;
1173   int failed = 0;
1174   OPJ_FLOAT64 t, tCumulative = 0;
1175   OPJ_UINT32 numDecompressedImages = 0;
1176
1177         /* set decoding parameters to default values */
1178         set_default_parameters(&parameters);
1179
1180         /* FIXME Initialize indexfilename and img_fol */
1181         *indexfilename = 0;
1182
1183         /* Initialize img_fol */
1184         memset(&img_fol,0,sizeof(img_fol_t));
1185
1186         /* parse input and get user encoding parameters */
1187         if(parse_cmdline_decoder(argc, argv, &parameters,&img_fol, indexfilename) == 1) {
1188                 destroy_parameters(&parameters);
1189                 return EXIT_FAILURE;
1190         }
1191
1192         /* Initialize reading of directory */
1193         if(img_fol.set_imgdir==1){      
1194                 int it_image;
1195                 num_images=get_num_images(img_fol.imgdirpath);
1196
1197                 dirptr=(dircnt_t*)malloc(sizeof(dircnt_t));
1198                 if(dirptr){
1199                         dirptr->filename_buf = (char*)malloc((size_t)num_images*OPJ_PATH_LEN*sizeof(char));     /* Stores at max 10 image file names*/
1200                         dirptr->filename = (char**) malloc((size_t)num_images*sizeof(char*));
1201
1202                         if(!dirptr->filename_buf){
1203                                 destroy_parameters(&parameters);
1204                                 return EXIT_FAILURE;
1205                         }
1206                         for(it_image=0;it_image<num_images;it_image++){
1207                                 dirptr->filename[it_image] = dirptr->filename_buf + it_image*OPJ_PATH_LEN;
1208                         }
1209                 }
1210                 if(load_images(dirptr,img_fol.imgdirpath)==1){
1211                         destroy_parameters(&parameters);
1212                         return EXIT_FAILURE;
1213                 }
1214                 if (num_images==0){
1215                         fprintf(stdout,"Folder is empty\n");
1216                         destroy_parameters(&parameters);
1217                         return EXIT_FAILURE;
1218                 }
1219         }else{
1220                 num_images=1;
1221         }
1222
1223         /*Decoding image one by one*/
1224         for(imageno = 0; imageno < num_images ; imageno++)      {
1225
1226                 fprintf(stderr,"\n");
1227
1228                 if(img_fol.set_imgdir==1){
1229                         if (get_next_file(imageno, dirptr,&img_fol, &parameters)) {
1230                                 fprintf(stderr,"skipping file...\n");
1231                                 destroy_parameters(&parameters);
1232                                 continue;
1233                         }
1234                 }
1235
1236                 /* read the input file and put it in memory */
1237                 /* ---------------------------------------- */
1238
1239                 l_stream = opj_stream_create_default_file_stream(parameters.infile,1);
1240                 if (!l_stream){
1241                         fprintf(stderr, "ERROR -> failed to create the stream from the file %s\n", parameters.infile);
1242                         destroy_parameters(&parameters);
1243                         return EXIT_FAILURE;
1244                 }
1245
1246                 /* decode the JPEG2000 stream */
1247                 /* ---------------------- */
1248
1249                 switch(parameters.decod_format) {
1250                         case J2K_CFMT:  /* JPEG-2000 codestream */
1251                         {
1252                                 /* Get a decoder handle */
1253                                 l_codec = opj_create_decompress(OPJ_CODEC_J2K);
1254                                 break;
1255                         }
1256                         case JP2_CFMT:  /* JPEG 2000 compressed image data */
1257                         {
1258                                 /* Get a decoder handle */
1259                                 l_codec = opj_create_decompress(OPJ_CODEC_JP2);
1260                                 break;
1261                         }
1262                         case JPT_CFMT:  /* JPEG 2000, JPIP */
1263                         {
1264                                 /* Get a decoder handle */
1265                                 l_codec = opj_create_decompress(OPJ_CODEC_JPT);
1266                                 break;
1267                         }
1268                         default:
1269                                 fprintf(stderr, "skipping file..\n");
1270                                 destroy_parameters(&parameters);
1271                                 opj_stream_destroy(l_stream);
1272                                 continue;
1273                 }
1274
1275                 /* catch events using our callbacks and give a local context */         
1276                 opj_set_info_handler(l_codec, info_callback,00);
1277                 opj_set_warning_handler(l_codec, warning_callback,00);
1278                 opj_set_error_handler(l_codec, error_callback,00);
1279
1280                 t = opj_clock();
1281
1282                 /* Setup the decoder decoding parameters using user parameters */
1283                 if ( !opj_setup_decoder(l_codec, &(parameters.core)) ){
1284                         fprintf(stderr, "ERROR -> opj_decompress: failed to setup the decoder\n");
1285                         destroy_parameters(&parameters);
1286                         opj_stream_destroy(l_stream);
1287                         opj_destroy_codec(l_codec);
1288                         return EXIT_FAILURE;
1289                 }
1290
1291
1292                 /* Read the main header of the codestream and if necessary the JP2 boxes*/
1293                 if(! opj_read_header(l_stream, l_codec, &image)){
1294                         fprintf(stderr, "ERROR -> opj_decompress: failed to read the header\n");
1295                         destroy_parameters(&parameters);
1296                         opj_stream_destroy(l_stream);
1297                         opj_destroy_codec(l_codec);
1298                         opj_image_destroy(image);
1299                         return EXIT_FAILURE;
1300                 }
1301
1302                 if (!parameters.nb_tile_to_decode) {
1303                         /* Optional if you want decode the entire image */
1304                         if (!opj_set_decode_area(l_codec, image, (OPJ_INT32)parameters.DA_x0,
1305                                         (OPJ_INT32)parameters.DA_y0, (OPJ_INT32)parameters.DA_x1, (OPJ_INT32)parameters.DA_y1)){
1306                                 fprintf(stderr, "ERROR -> opj_decompress: failed to set the decoded area\n");
1307                                 destroy_parameters(&parameters);
1308                                 opj_stream_destroy(l_stream);
1309                                 opj_destroy_codec(l_codec);
1310                                 opj_image_destroy(image);
1311                                 return EXIT_FAILURE;
1312                         }
1313
1314                         /* Get the decoded image */
1315                         if (!(opj_decode(l_codec, l_stream, image) && opj_end_decompress(l_codec,       l_stream))) {
1316                                 fprintf(stderr,"ERROR -> opj_decompress: failed to decode image!\n");
1317                                 destroy_parameters(&parameters);
1318                                 opj_destroy_codec(l_codec);
1319                                 opj_stream_destroy(l_stream);
1320                                 opj_image_destroy(image);
1321                                 return EXIT_FAILURE;
1322                         }
1323                 }
1324                 else {
1325
1326                         /* It is just here to illustrate how to use the resolution after set parameters */
1327                         /*if (!opj_set_decoded_resolution_factor(l_codec, 5)) {
1328                                 fprintf(stderr, "ERROR -> opj_decompress: failed to set the resolution factor tile!\n");
1329                                 opj_destroy_codec(l_codec);
1330                                 opj_stream_destroy(l_stream);
1331                                 opj_image_destroy(image);
1332                                 return EXIT_FAILURE;
1333                         }*/
1334
1335                         if (!opj_get_decoded_tile(l_codec, l_stream, image, parameters.tile_index)) {
1336                                 fprintf(stderr, "ERROR -> opj_decompress: failed to decode tile!\n");
1337                                 destroy_parameters(&parameters);
1338                                 opj_destroy_codec(l_codec);
1339                                 opj_stream_destroy(l_stream);
1340                                 opj_image_destroy(image);
1341                                 return EXIT_FAILURE;
1342                         }
1343                         fprintf(stdout, "tile %d is decoded!\n\n", parameters.tile_index);
1344                 }
1345
1346                 tCumulative += opj_clock() - t;
1347                 numDecompressedImages++;
1348
1349                 /* Close the byte stream */
1350                 opj_stream_destroy(l_stream);
1351
1352                 if( image->color_space != OPJ_CLRSPC_SYCC 
1353                         && image->numcomps == 3 && image->comps[0].dx == image->comps[0].dy
1354                         && image->comps[1].dx != 1 )
1355                         image->color_space = OPJ_CLRSPC_SYCC;
1356                 else if (image->numcomps <= 2)
1357                         image->color_space = OPJ_CLRSPC_GRAY;
1358
1359                 if(image->color_space == OPJ_CLRSPC_SYCC){
1360                         color_sycc_to_rgb(image);
1361                 }
1362                 else
1363                 if(image->color_space == OPJ_CLRSPC_CMYK){
1364                         color_cmyk_to_rgb(image);
1365                 }
1366                 else
1367                 if(image->color_space == OPJ_CLRSPC_EYCC){
1368                         color_esycc_to_rgb(image);
1369                 }
1370                 
1371                 if(image->icc_profile_buf) {
1372 #if defined(OPJ_HAVE_LIBLCMS1) || defined(OPJ_HAVE_LIBLCMS2)
1373                         if(image->icc_profile_len)
1374                          color_apply_icc_profile(image);
1375                         else
1376                          color_apply_conversion(image);
1377 #endif
1378                         free(image->icc_profile_buf);
1379                         image->icc_profile_buf = NULL; image->icc_profile_len = 0;
1380                 }
1381                 
1382                 /* Force output precision */
1383                 /* ---------------------- */
1384                 if (parameters.precision != NULL)
1385                 {
1386                         OPJ_UINT32 compno;
1387                         for (compno = 0; compno < image->numcomps; ++compno)
1388                         {
1389                                 OPJ_UINT32 precno = compno;
1390                                 OPJ_UINT32 prec;
1391                                 
1392                                 if (precno >= parameters.nb_precision) {
1393                                         precno = parameters.nb_precision - 1U;
1394                                 }
1395                                 
1396                                 prec = parameters.precision[precno].prec;
1397                                 if (prec == 0) {
1398                                         prec = image->comps[compno].prec;
1399                                 }
1400                                 
1401                                 switch (parameters.precision[precno].mode) {
1402                                         case OPJ_PREC_MODE_CLIP:
1403                                                 clip_component(&(image->comps[compno]), prec);
1404                                                 break;
1405                                         case OPJ_PREC_MODE_SCALE:
1406                                                 scale_component(&(image->comps[compno]), prec);
1407                                                 break;
1408                                         default:
1409                                                 break;
1410                                 }
1411                                 
1412                         }
1413                 }
1414                 
1415                 /* Upsample components */
1416                 /* ------------------- */
1417                 if (parameters.upsample)
1418                 {
1419                         image = upsample_image_components(image);
1420                         if (image == NULL) {
1421                                 fprintf(stderr, "ERROR -> opj_decompress: failed to upsample image components!\n");
1422                                 destroy_parameters(&parameters);
1423                                 opj_destroy_codec(l_codec);
1424                                 return EXIT_FAILURE;
1425                         }
1426                 }
1427                 
1428                 /* Force RGB output */
1429                 /* ---------------- */
1430                 if (parameters.force_rgb)
1431                 {
1432                         switch (image->color_space) {
1433                                 case OPJ_CLRSPC_SRGB:
1434                                         break;
1435                                 case OPJ_CLRSPC_GRAY:
1436                                         image = convert_gray_to_rgb(image);
1437                                         break;
1438                                 default:
1439                                         fprintf(stderr, "ERROR -> opj_decompress: don't know how to convert image to RGB colorspace!\n");
1440                                         opj_image_destroy(image);
1441                                         image = NULL;
1442                                         break;
1443                         }
1444                         if (image == NULL) {
1445                                 fprintf(stderr, "ERROR -> opj_decompress: failed to convert to RGB image!\n");
1446                                 destroy_parameters(&parameters);
1447                                 opj_destroy_codec(l_codec);
1448                                 return EXIT_FAILURE;
1449                         }
1450                 }
1451
1452                 /* create output image */
1453                 /* ------------------- */
1454                 switch (parameters.cod_format) {
1455                 case PXM_DFMT:                  /* PNM PGM PPM */
1456                         if (imagetopnm(image, parameters.outfile, parameters.split_pnm)) {
1457                 fprintf(stderr,"[ERROR] Outfile %s not generated\n",parameters.outfile);
1458         failed = 1;
1459                         }
1460                         else {
1461                 fprintf(stdout,"[INFO] Generated Outfile %s\n",parameters.outfile);
1462                         }
1463                         break;
1464
1465                 case PGX_DFMT:                  /* PGX */
1466                         if(imagetopgx(image, parameters.outfile)){
1467                 fprintf(stderr,"[ERROR] Outfile %s not generated\n",parameters.outfile);
1468         failed = 1;
1469                         }
1470                         else {
1471                 fprintf(stdout,"[INFO] Generated Outfile %s\n",parameters.outfile);
1472                         }
1473                         break;
1474
1475                 case BMP_DFMT:                  /* BMP */
1476                         if(imagetobmp(image, parameters.outfile)){
1477                 fprintf(stderr,"[ERROR] Outfile %s not generated\n",parameters.outfile);
1478         failed = 1;
1479                         }
1480                         else {
1481                 fprintf(stdout,"[INFO] Generated Outfile %s\n",parameters.outfile);
1482                         }
1483                         break;
1484 #ifdef OPJ_HAVE_LIBTIFF
1485                 case TIF_DFMT:                  /* TIFF */
1486                         if(imagetotif(image, parameters.outfile)){
1487                 fprintf(stderr,"[ERROR] Outfile %s not generated\n",parameters.outfile);
1488         failed = 1;
1489                         }
1490                         else {
1491                 fprintf(stdout,"[INFO] Generated Outfile %s\n",parameters.outfile);
1492                         }
1493                         break;
1494 #endif /* OPJ_HAVE_LIBTIFF */
1495                 case RAW_DFMT:                  /* RAW */
1496                         if(imagetoraw(image, parameters.outfile)){
1497                 fprintf(stderr,"[ERROR] Error generating raw file. Outfile %s not generated\n",parameters.outfile);
1498         failed = 1;
1499                         }
1500                         else {
1501                 fprintf(stdout,"[INFO] Generated Outfile %s\n",parameters.outfile);
1502                         }
1503                         break;
1504
1505                 case RAWL_DFMT:                 /* RAWL */
1506                         if(imagetorawl(image, parameters.outfile)){
1507                 fprintf(stderr,"[ERROR] Error generating rawl file. Outfile %s not generated\n",parameters.outfile);
1508         failed = 1;
1509                         }
1510                         else {
1511                 fprintf(stdout,"[INFO] Generated Outfile %s\n",parameters.outfile);
1512                         }
1513                         break;
1514
1515                 case TGA_DFMT:                  /* TGA */
1516                         if(imagetotga(image, parameters.outfile)){
1517                 fprintf(stderr,"[ERROR] Error generating tga file. Outfile %s not generated\n",parameters.outfile);
1518         failed = 1;
1519                         }
1520                         else {
1521                 fprintf(stdout,"[INFO] Generated Outfile %s\n",parameters.outfile);
1522                         }
1523                         break;
1524 #ifdef OPJ_HAVE_LIBPNG
1525                 case PNG_DFMT:                  /* PNG */
1526                         if(imagetopng(image, parameters.outfile)){
1527                 fprintf(stderr,"[ERROR] Error generating png file. Outfile %s not generated\n",parameters.outfile);
1528         failed = 1;
1529                         }
1530                         else {
1531                 fprintf(stdout,"[INFO] Generated Outfile %s\n",parameters.outfile);
1532                         }
1533                         break;
1534 #endif /* OPJ_HAVE_LIBPNG */
1535 /* Can happen if output file is TIFF or PNG
1536  * and OPJ_HAVE_LIBTIF or OPJ_HAVE_LIBPNG is undefined
1537 */
1538                         default:
1539                 fprintf(stderr,"[ERROR] Outfile %s not generated\n",parameters.outfile);
1540         failed = 1;
1541                 }
1542
1543                 /* free remaining structures */
1544                 if (l_codec) {
1545                         opj_destroy_codec(l_codec);
1546                 }
1547
1548
1549                 /* free image data structure */
1550                 opj_image_destroy(image);
1551
1552                 /* destroy the codestream index */
1553                 opj_destroy_cstr_index(&cstr_index);
1554
1555                 if(failed) remove(parameters.outfile);
1556         }
1557         destroy_parameters(&parameters);
1558         if (numDecompressedImages) {
1559                 fprintf(stdout, "decode time: %d ms\n", (int)( (tCumulative * 1000.0) / (OPJ_FLOAT64)numDecompressedImages));
1560         }
1561         return failed ? EXIT_FAILURE : EXIT_SUCCESS;
1562 }
1563 /*end main*/