[trunk] modify image_to_j2k and the lib to support functionalities given by the v2...
[openjpeg.git] / applications / 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 "opj_config.h"
33
34 #include <stdio.h>
35 #include <string.h>
36 #include <stdlib.h>
37 #include <math.h>
38
39 #ifdef _WIN32
40 #include "windirent.h"
41 #else
42 #include <dirent.h>
43 #endif /* _WIN32 */
44
45 #ifdef _WIN32
46 #include <windows.h>
47 #else
48 #include <strings.h>
49 #define _stricmp strcasecmp
50 #define _strnicmp strncasecmp
51 #endif /* _WIN32 */
52
53 #include "openjpeg.h"
54 #include "opj_getopt.h"
55 #include "convert.h"
56 #include "index.h"
57
58 #ifdef HAVE_LIBLCMS2
59 #include <lcms2.h>
60 #endif
61 #ifdef HAVE_LIBLCMS1
62 #include <lcms.h>
63 #endif
64 #include "color.h"
65
66 #include "format_defs.h"
67
68 typedef struct dircnt{
69         /** Buffer for holding images read from Directory*/
70         char *filename_buf;
71         /** Pointer to the buffer*/
72         char **filename;
73 }dircnt_t;
74
75
76 typedef struct img_folder{
77         /** The directory path of the folder containing input images*/
78         char *imgdirpath;
79         /** Output format*/
80         const char *out_format;
81         /** Enable option*/
82         char set_imgdir;
83         /** Enable Cod Format for output*/
84         char set_out_format;
85
86 }img_fol_t;
87
88 /* -------------------------------------------------------------------------- */
89 /* Declarations                                                               */
90 int get_num_images(char *imgdirpath);
91 int load_images(dircnt_t *dirptr, char *imgdirpath);
92 int get_file_format(const char *filename);
93 char get_next_file(int imageno,dircnt_t *dirptr,img_fol_t *img_fol, opj_dparameters_t *parameters);
94 static int infile_format(const char *fname);
95
96 int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,img_fol_t *img_fol, char *indexfilename);
97 int parse_DA_values( char* inArg, unsigned int *DA_x0, unsigned int *DA_y0, unsigned int *DA_x1, unsigned int *DA_y1);
98
99 /* -------------------------------------------------------------------------- */
100 void decode_help_display(void) {
101         fprintf(stdout,"HELP for j2k_to_image\n----\n\n");
102         fprintf(stdout,"- the -h option displays this help information on screen\n\n");
103
104 /* UniPG>> */
105         fprintf(stdout,"List of parameters for the JPEG 2000 "
106 #ifdef USE_JPWL
107                 "+ JPWL "
108 #endif /* USE_JPWL */
109                 "decoder:\n");
110 /* <<UniPG */
111         fprintf(stdout,"\n");
112         fprintf(stdout,"\n");
113         fprintf(stdout,"  -ImgDir \n");
114         fprintf(stdout,"        Image file Directory path \n");
115         fprintf(stdout,"  -OutFor \n");
116         fprintf(stdout,"    REQUIRED only if -ImgDir is used\n");
117         fprintf(stdout,"          Need to specify only format without filename <BMP>  \n");
118         fprintf(stdout,"    Currently accepts PGM, PPM, PNM, PGX, PNG, BMP, TIF, RAW and TGA formats\n");
119         fprintf(stdout,"  -i <compressed file>\n");
120         fprintf(stdout,"    REQUIRED only if an Input image directory not specified\n");
121         fprintf(stdout,"    Currently accepts J2K-files, JP2-files and JPT-files. The file type\n");
122         fprintf(stdout,"    is identified based on its suffix.\n");
123         fprintf(stdout,"  -o <decompressed file>\n");
124         fprintf(stdout,"    REQUIRED\n");
125         fprintf(stdout,"    Currently accepts PGM, PPM, PNM, PGX, PNG, BMP, TIF, RAW and TGA files\n");
126         fprintf(stdout,"    Binary data is written to the file (not ascii). If a PGX\n");
127         fprintf(stdout,"    filename is given, there will be as many output files as there are\n");
128         fprintf(stdout,"    components: an indice starting from 0 will then be appended to the\n");
129         fprintf(stdout,"    output filename, just before the \"pgx\" extension. If a PGM filename\n");
130         fprintf(stdout,"    is given and there are more than one component, only the first component\n");
131         fprintf(stdout,"    will be written to the file.\n");
132         fprintf(stdout,"  -r <reduce factor>\n");
133         fprintf(stdout,"    Set the number of highest resolution levels to be discarded. The\n");
134         fprintf(stdout,"    image resolution is effectively divided by 2 to the power of the\n");
135         fprintf(stdout,"    number of discarded levels. The reduce factor is limited by the\n");
136         fprintf(stdout,"    smallest total number of decomposition levels among tiles.\n");
137         fprintf(stdout,"  -l <number of quality layers to decode>\n");
138         fprintf(stdout,"    Set the maximum number of quality layers to decode. If there are\n");
139         fprintf(stdout,"    less quality layers than the specified number, all the quality layers\n");
140         fprintf(stdout,"    are decoded.\n");
141         fprintf(stdout,"  -x  \n"); 
142         fprintf(stdout,"    Create an index file *.Idx (-x index_name.Idx) \n");
143         fprintf(stdout,"  -d <x0,y0,x1,y1>\n");
144         fprintf(stdout,"    OPTIONAL\n");
145         fprintf(stdout,"    Decoding area\n");
146         fprintf(stdout,"    By default all the image is decoded.\n");
147         fprintf(stdout,"  -t <tile_number>\n");
148         fprintf(stdout,"    OPTIONAL\n");
149         fprintf(stdout,"    Set the tile number of the decoded tile. Follow the JPEG2000 convention from left-up to bottom-up\n");
150         fprintf(stdout,"    By default all tiles are decoded.\n");
151         fprintf(stdout,"\n");
152 /* UniPG>> */
153 #ifdef USE_JPWL
154         fprintf(stdout,"  -W <options>\n");
155         fprintf(stdout,"    Activates the JPWL correction capability, if the codestream complies.\n");
156         fprintf(stdout,"    Options can be a comma separated list of <param=val> tokens:\n");
157         fprintf(stdout,"    c, c=numcomps\n");
158         fprintf(stdout,"       numcomps is the number of expected components in the codestream\n");
159         fprintf(stdout,"       (search of first EPB rely upon this, default is %d)\n", JPWL_EXPECTED_COMPONENTS);
160 #endif /* USE_JPWL */
161 /* <<UniPG */
162         fprintf(stdout,"\n");
163 }
164
165 /* -------------------------------------------------------------------------- */
166
167 int get_num_images(char *imgdirpath){
168         DIR *dir;
169         struct dirent* content; 
170         int num_images = 0;
171
172         /*Reading the input images from given input directory*/
173
174         dir= opendir(imgdirpath);
175         if(!dir){
176                 fprintf(stderr,"Could not open Folder %s\n",imgdirpath);
177                 return 0;
178         }
179         
180         while((content=readdir(dir))!=NULL){
181                 if(strcmp(".",content->d_name)==0 || strcmp("..",content->d_name)==0 )
182                         continue;
183                 num_images++;
184         }
185         return num_images;
186 }
187
188 /* -------------------------------------------------------------------------- */
189 int load_images(dircnt_t *dirptr, char *imgdirpath){
190         DIR *dir;
191         struct dirent* content; 
192         int i = 0;
193
194         /*Reading the input images from given input directory*/
195
196         dir= opendir(imgdirpath);
197         if(!dir){
198                 fprintf(stderr,"Could not open Folder %s\n",imgdirpath);
199                 return 1;
200         }else   {
201                 fprintf(stderr,"Folder opened successfully\n");
202         }
203         
204         while((content=readdir(dir))!=NULL){
205                 if(strcmp(".",content->d_name)==0 || strcmp("..",content->d_name)==0 )
206                         continue;
207
208                 strcpy(dirptr->filename[i],content->d_name);
209                 i++;
210         }
211         return 0;       
212 }
213
214 /* -------------------------------------------------------------------------- */
215 int get_file_format(const char *filename) {
216         unsigned int i;
217         static const char *extension[] = {"pgx", "pnm", "pgm", "ppm", "bmp","tif", "raw", "tga", "png", "j2k", "jp2", "jpt", "j2c", "jpc" };
218         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 };
219         char * ext = strrchr(filename, '.');
220         if (ext == NULL)
221                 return -1;
222         ext++;
223         if(ext) {
224                 for(i = 0; i < sizeof(format)/sizeof(*format); i++) {
225                         if(_strnicmp(ext, extension[i], 3) == 0) {
226                                 return format[i];
227                         }
228                 }
229         }
230
231         return -1;
232 }
233
234 /* -------------------------------------------------------------------------- */
235 char get_next_file(int imageno,dircnt_t *dirptr,img_fol_t *img_fol, opj_dparameters_t *parameters){
236         char image_filename[OPJ_PATH_LEN], infilename[OPJ_PATH_LEN],outfilename[OPJ_PATH_LEN],temp_ofname[OPJ_PATH_LEN];
237         char *temp_p, temp1[OPJ_PATH_LEN]="";
238
239         strcpy(image_filename,dirptr->filename[imageno]);
240         fprintf(stderr,"File Number %d \"%s\"\n",imageno,image_filename);
241         parameters->decod_format = infile_format(image_filename);
242         if (parameters->decod_format == -1)
243                 return 1;
244         sprintf(infilename,"%s/%s",img_fol->imgdirpath,image_filename);
245         strncpy(parameters->infile, infilename, sizeof(infilename));
246
247         /*Set output file*/
248         strcpy(temp_ofname,strtok(image_filename,"."));
249         while((temp_p = strtok(NULL,".")) != NULL){
250                 strcat(temp_ofname,temp1);
251                 sprintf(temp1,".%s",temp_p);
252         }
253         if(img_fol->set_out_format==1){
254                 sprintf(outfilename,"%s/%s.%s",img_fol->imgdirpath,temp_ofname,img_fol->out_format);
255                 strncpy(parameters->outfile, outfilename, sizeof(outfilename));
256         }
257         return 0;
258 }
259
260 /* -------------------------------------------------------------------------- */
261 #define JP2_RFC3745_MAGIC "\x00\x00\x00\x0c\x6a\x50\x20\x20\x0d\x0a\x87\x0a"
262 #define JP2_MAGIC "\x0d\x0a\x87\x0a"
263 /* position 45: "\xff\x52" */
264 #define J2K_CODESTREAM_MAGIC "\xff\x4f\xff\x51"
265
266 static int infile_format(const char *fname)
267 {
268         FILE *reader;
269         const char *s, *magic_s;
270         int ext_format, magic_format;
271         unsigned char buf[12];
272         unsigned int l_nb_read;
273
274         reader = fopen(fname, "rb");
275
276         if (reader == NULL)
277                 return -1;
278
279         memset(buf, 0, 12);
280         l_nb_read = fread(buf, 1, 12, reader);
281         fclose(reader);
282         if (l_nb_read != 12)
283                 return -1;
284
285
286
287         ext_format = get_file_format(fname);
288
289         if (ext_format == JPT_CFMT)
290                 return JPT_CFMT;
291
292         if (memcmp(buf, JP2_RFC3745_MAGIC, 12) == 0 || memcmp(buf, JP2_MAGIC, 4) == 0) {
293                 magic_format = JP2_CFMT;
294                 magic_s = ".jp2";
295         }
296         else if (memcmp(buf, J2K_CODESTREAM_MAGIC, 4) == 0) {
297                 magic_format = J2K_CFMT;
298                 magic_s = ".j2k or .jpc or .j2c";
299         }
300         else
301                 return -1;
302
303         if (magic_format == ext_format)
304                 return ext_format;
305
306         s = fname + strlen(fname) - 4;
307
308         fputs("\n===========================================\n", stderr);
309         fprintf(stderr, "The extension of this file is incorrect.\n"
310                                         "FOUND %s. SHOULD BE %s\n", s, magic_s);
311         fputs("===========================================\n", stderr);
312
313         return magic_format;
314 }
315
316 /* -------------------------------------------------------------------------- */
317 /**
318  * Parse the command line
319  */
320 /* -------------------------------------------------------------------------- */
321 int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,img_fol_t *img_fol, char *indexfilename) {
322         /* parse the command line */
323         int totlen, c;
324         opj_option_t long_option[]={
325                 {"ImgDir",REQ_ARG, NULL ,'y'},
326                 {"OutFor",REQ_ARG, NULL ,'O'},
327         };
328
329         const char optlist[] = "i:o:r:l:x:d:t:"
330
331 /* UniPG>> */
332 #ifdef USE_JPWL
333                                         "W:"
334 #endif /* USE_JPWL */
335 /* <<UniPG */
336                         "h"             ;
337         totlen=sizeof(long_option);
338         img_fol->set_out_format = 0;
339         do {
340                 c = opj_getopt_long(argc, argv,optlist,long_option,totlen);
341                 if (c == -1)
342                         break;
343                 switch (c) {
344                         case 'i':                       /* input file */
345                         {
346                                 char *infile = opj_optarg;
347                                 parameters->decod_format = infile_format(infile);
348                                 switch(parameters->decod_format) {
349                                         case J2K_CFMT:
350                                                 break;
351                                         case JP2_CFMT:
352                                                 break;
353                                         case JPT_CFMT:
354                                                 break;
355                                         default:
356                                                 fprintf(stderr, 
357                                                         "!! Unrecognized format for infile : %s [accept only *.j2k, *.jp2, *.jpc or *.jpt] !!\n\n", 
358                                                         infile);
359                                                 return 1;
360                                 }
361                                 strncpy(parameters->infile, infile, sizeof(parameters->infile)-1);
362                         }
363                         break;
364                                 
365                                 /* ----------------------------------------------------- */
366
367                         case 'o':                       /* output file */
368                         {
369                                 char *outfile = opj_optarg;
370                                 parameters->cod_format = get_file_format(outfile);
371                                 switch(parameters->cod_format) {
372                                         case PGX_DFMT:
373                                                 break;
374                                         case PXM_DFMT:
375                                                 break;
376                                         case BMP_DFMT:
377                                                 break;
378                                         case TIF_DFMT:
379                                                 break;
380                                         case RAW_DFMT:
381                                                 break;
382                                         case TGA_DFMT:
383                                                 break;
384                                         case PNG_DFMT:
385                                                 break;
386                                         default:
387                                                 fprintf(stderr, "Unknown output format image %s [only *.pnm, *.pgm, *.ppm, *.pgx, *.bmp, *.tif, *.raw or *.tga]!! \n", outfile);
388                                                 return 1;
389                                 }
390                                 strncpy(parameters->outfile, outfile, sizeof(parameters->outfile)-1);
391                         }
392                         break;
393                         
394                                 /* ----------------------------------------------------- */
395
396                         case 'O':                       /* output format */
397                         {
398                                 char outformat[50];
399                                 char *of = opj_optarg;
400                                 sprintf(outformat,".%s",of);
401                                 img_fol->set_out_format = 1;
402                                 parameters->cod_format = get_file_format(outformat);
403                                 switch(parameters->cod_format) {
404                                         case PGX_DFMT:
405                                                 img_fol->out_format = "pgx";
406                                                 break;
407                                         case PXM_DFMT:
408                                                 img_fol->out_format = "ppm";
409                                                 break;
410                                         case BMP_DFMT:
411                                                 img_fol->out_format = "bmp";
412                                                 break;
413                                         case TIF_DFMT:
414                                                 img_fol->out_format = "tif";
415                                                 break;
416                                         case RAW_DFMT:
417                                                 img_fol->out_format = "raw";
418                                                 break;
419                                         case TGA_DFMT:
420                                                 img_fol->out_format = "raw";
421                                                 break;
422                                         case PNG_DFMT:
423                                                 img_fol->out_format = "png";
424                                                 break;
425                                         default:
426                                                 fprintf(stderr, "Unknown output format image %s [only *.pnm, *.pgm, *.ppm, *.pgx, *.bmp, *.tif, *.raw or *.tga]!! \n", outformat);
427                                                 return 1;
428                                                 break;
429                                 }
430                         }
431                         break;
432
433                                 /* ----------------------------------------------------- */
434
435
436                         case 'r':               /* reduce option */
437                         {
438                                 sscanf(opj_optarg, "%d", &parameters->cp_reduce);
439                         }
440                         break;
441                         
442                                 /* ----------------------------------------------------- */
443       
444
445                         case 'l':               /* layering option */
446                         {
447                                 sscanf(opj_optarg, "%d", &parameters->cp_layer);
448                         }
449                         break;
450                         
451                                 /* ----------------------------------------------------- */
452
453                         case 'h':                       /* display an help description */
454                                 decode_help_display();
455                                 return 1;                               
456
457                                 /* ------------------------------------------------------ */
458
459                         case 'y':                       /* Image Directory path */
460                                 {
461                                         img_fol->imgdirpath = (char*)malloc(strlen(opj_optarg) + 1);
462                                         strcpy(img_fol->imgdirpath,opj_optarg);
463                                         img_fol->set_imgdir=1;
464                                 }
465                                 break;
466
467                                 /* ----------------------------------------------------- */
468
469                         case 'd':               /* Input decode ROI */
470                         {
471                                 int size_optarg = (int)strlen(opj_optarg) + 1;
472                                 char *ROI_values = (char*) malloc(size_optarg);
473                                 ROI_values[0] = '\0';
474                                 strncpy(ROI_values, opj_optarg, strlen(opj_optarg));
475                                 ROI_values[strlen(opj_optarg)] = '\0';
476                                 /*printf("ROI_values = %s [%d / %d]\n", ROI_values, strlen(ROI_values), size_optarg ); */
477                                 parse_DA_values( ROI_values, &parameters->DA_x0, &parameters->DA_y0, &parameters->DA_x1, &parameters->DA_y1);
478
479                                 free(ROI_values);
480                         }
481                         break;
482
483                         /* ----------------------------------------------------- */
484
485                         case 't':               /* Input tile index */
486                         {
487                                 sscanf(opj_optarg, "%d", &parameters->tile_index);
488                                 parameters->nb_tile_to_decode = 1;
489                         }
490                         break;
491
492                                 /* ----------------------------------------------------- */                                                             
493
494                         case 'x':                       /* Creation of index file */
495                                 {
496                                         char *index = opj_optarg;
497                                         strncpy(indexfilename, index, OPJ_PATH_LEN);
498                                 }
499                                 break;
500                                 /* ----------------------------------------------------- */
501                                 /* UniPG>> */
502 #ifdef USE_JPWL
503                         
504                         case 'W':                       /* activate JPWL correction */
505                         {
506                                 char *token = NULL;
507
508                                 token = strtok(opj_optarg, ",");
509                                 while(token != NULL) {
510
511                                         /* search expected number of components */
512                                         if (*token == 'c') {
513
514                                                 static int compno;
515
516                                                 compno = JPWL_EXPECTED_COMPONENTS; /* predefined no. of components */
517
518                                                 if(sscanf(token, "c=%d", &compno) == 1) {
519                                                         /* Specified */
520                                                         if ((compno < 1) || (compno > 256)) {
521                                                                 fprintf(stderr, "ERROR -> invalid number of components c = %d\n", compno);
522                                                                 return 1;
523                                                         }
524                                                         parameters->jpwl_exp_comps = compno;
525
526                                                 } else if (!strcmp(token, "c")) {
527                                                         /* default */
528                                                         parameters->jpwl_exp_comps = compno; /* auto for default size */
529
530                                                 } else {
531                                                         fprintf(stderr, "ERROR -> invalid components specified = %s\n", token);
532                                                         return 1;
533                                                 };
534                                         }
535
536                                         /* search maximum number of tiles */
537                                         if (*token == 't') {
538
539                                                 static int tileno;
540
541                                                 tileno = JPWL_MAXIMUM_TILES; /* maximum no. of tiles */
542
543                                                 if(sscanf(token, "t=%d", &tileno) == 1) {
544                                                         /* Specified */
545                                                         if ((tileno < 1) || (tileno > JPWL_MAXIMUM_TILES)) {
546                                                                 fprintf(stderr, "ERROR -> invalid number of tiles t = %d\n", tileno);
547                                                                 return 1;
548                                                         }
549                                                         parameters->jpwl_max_tiles = tileno;
550
551                                                 } else if (!strcmp(token, "t")) {
552                                                         /* default */
553                                                         parameters->jpwl_max_tiles = tileno; /* auto for default size */
554
555                                                 } else {
556                                                         fprintf(stderr, "ERROR -> invalid tiles specified = %s\n", token);
557                                                         return 1;
558                                                 };
559                                         }
560
561                                         /* next token or bust */
562                                         token = strtok(NULL, ",");
563                                 };
564                                 parameters->jpwl_correct = OPJ_TRUE;
565                                 fprintf(stdout, "JPWL correction capability activated\n");
566                                 fprintf(stdout, "- expecting %d components\n", parameters->jpwl_exp_comps);
567                         }
568                         break;  
569 #endif /* USE_JPWL */
570 /* <<UniPG */            
571
572                                 /* ----------------------------------------------------- */
573                         
574                         default:
575                                 fprintf(stderr,"WARNING -> this option is not valid \"-%c %s\"\n",c, opj_optarg);
576                                 break;
577                 }
578         }while(c != -1);
579
580         /* check for possible errors */
581         if(img_fol->set_imgdir==1){
582                 if(!(parameters->infile[0]==0)){
583                         fprintf(stderr, "Error: options -ImgDir and -i cannot be used together !!\n");
584                         return 1;
585                 }
586                 if(img_fol->set_out_format == 0){
587                         fprintf(stderr, "Error: When -ImgDir is used, -OutFor <FORMAT> must be used !!\n");
588                         fprintf(stderr, "Only one format allowed! Valid format PGM, PPM, PNM, PGX, BMP, TIF, RAW and TGA!!\n");
589                         return 1;
590                 }
591                 if(!((parameters->outfile[0] == 0))){
592                         fprintf(stderr, "Error: options -ImgDir and -o cannot be used together !!\n");
593                         return 1;
594                 }
595         }else{
596                 if((parameters->infile[0] == 0) || (parameters->outfile[0] == 0)) {
597                         fprintf(stderr, "Example: %s -i image.j2k -o image.pgm\n",argv[0]);
598                         fprintf(stderr, "    Try: %s -h\n",argv[0]);
599                         return 1;
600                 }
601         }
602
603         return 0;
604 }
605
606 /* -------------------------------------------------------------------------- */
607 /**
608  * Parse decoding area input values
609  * separator = ","
610  */
611 /* -------------------------------------------------------------------------- */
612 int parse_DA_values( char* inArg, unsigned int *DA_x0, unsigned int *DA_y0, unsigned int *DA_x1, unsigned int *DA_y1)
613 {
614         int it = 0;
615         int values[4];
616         char delims[] = ",";
617         char *result = NULL;
618         result = strtok( inArg, delims );
619
620         while( (result != NULL) && (it < 4 ) ) {
621                 values[it] = atoi(result);
622                 result = strtok( NULL, delims );
623                 it++;
624         }
625
626         if (it != 4) {
627                 return EXIT_FAILURE;
628         }
629         else{
630                 *DA_x0 = values[0]; *DA_y0 = values[1];
631                 *DA_x1 = values[2]; *DA_y1 = values[3];
632                 return EXIT_SUCCESS;
633         }
634 }
635
636 /* -------------------------------------------------------------------------- */
637
638 /**
639 sample error callback expecting a FILE* client object
640 */
641 void error_callback(const char *msg, void *client_data) {
642         FILE *stream = (FILE*)client_data;
643         fprintf(stream, "[ERROR] %s", msg);
644 }
645 /**
646 sample warning callback expecting a FILE* client object
647 */
648 void warning_callback(const char *msg, void *client_data) {
649         FILE *stream = (FILE*)client_data;
650         fprintf(stream, "[WARNING] %s", msg);
651 }
652 /**
653 sample debug callback expecting no client object
654 */
655 void info_callback(const char *msg, void *client_data) {
656         (void)client_data;
657         fprintf(stdout, "[INFO] %s", msg);
658 }
659
660 /* -------------------------------------------------------------------------- */
661 /**
662  * J2K_TO_IMAGE MAIN
663  */
664 /* -------------------------------------------------------------------------- */
665 int main(int argc, char **argv)
666 {
667         FILE *fsrc = NULL;
668
669         opj_dparameters_t parameters;                   /* decompression parameters */
670         opj_event_mgr_t event_mgr;                              /* event manager */
671         opj_image_t* image = NULL;
672         opj_stream_t *cio = NULL;                               /* Stream */
673         opj_codec_t* dinfo = NULL;                              /* Handle to a decompressor */
674         opj_codestream_index_t* cstr_index = NULL;
675
676         char indexfilename[OPJ_PATH_LEN];       /* index file name */
677
678         OPJ_INT32 num_images, imageno;
679         img_fol_t img_fol;
680         dircnt_t *dirptr = NULL;
681
682         /* configure the event callbacks (not required) */
683         memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
684         event_mgr.error_handler = error_callback;
685         event_mgr.warning_handler = warning_callback;
686         event_mgr.info_handler = info_callback;
687
688         /* set decoding parameters to default values */
689         opj_set_default_decoder_parameters(&parameters);
690
691         /* FIXME Initialize indexfilename and img_fol */
692         *indexfilename = 0;
693
694         /* Initialize img_fol */
695         memset(&img_fol,0,sizeof(img_fol_t));
696
697         /* parse input and get user encoding parameters */
698         if(parse_cmdline_decoder(argc, argv, &parameters,&img_fol, indexfilename) == 1) {
699                 return EXIT_FAILURE;
700         }
701
702         /* Set default event mgr */
703         opj_initialize_default_event_handler(&event_mgr, 1);
704
705         /* Initialize reading of directory */
706         if(img_fol.set_imgdir==1){      
707                 int it_image;
708                 num_images=get_num_images(img_fol.imgdirpath);
709
710                 dirptr=(dircnt_t*)malloc(sizeof(dircnt_t));
711                 if(dirptr){
712                         dirptr->filename_buf = (char*)malloc(num_images*OPJ_PATH_LEN*sizeof(char));     /* Stores at max 10 image file names*/
713                         dirptr->filename = (char**) malloc(num_images*sizeof(char*));
714
715                         if(!dirptr->filename_buf){
716                                 return EXIT_FAILURE;
717                         }
718                         for(it_image=0;it_image<num_images;it_image++){
719                                 dirptr->filename[it_image] = dirptr->filename_buf + it_image*OPJ_PATH_LEN;
720                         }
721                 }
722                 if(load_images(dirptr,img_fol.imgdirpath)==1){
723                         return EXIT_FAILURE;
724                 }
725                 if (num_images==0){
726                         fprintf(stdout,"Folder is empty\n");
727                         return EXIT_FAILURE;
728                 }
729         }else{
730                 num_images=1;
731         }
732
733         /*Decoding image one by one*/
734         for(imageno = 0; imageno < num_images ; imageno++)      {
735
736                 fprintf(stderr,"\n");
737
738                 if(img_fol.set_imgdir==1){
739                         if (get_next_file(imageno, dirptr,&img_fol, &parameters)) {
740                                 fprintf(stderr,"skipping file...\n");
741                                 continue;
742                         }
743                 }
744
745                 /* read the input file and put it in memory */
746                 /* ---------------------------------------- */
747                 fsrc = fopen(parameters.infile, "rb");
748                 if (!fsrc) {
749                         fprintf(stderr, "ERROR -> failed to open %s for reading\n", parameters.infile);
750                         return EXIT_FAILURE;
751                 }
752
753                 cio = opj_stream_create_default_file_stream(fsrc,1);
754                 if (!cio){
755                         fclose(fsrc);
756                         fprintf(stderr, "ERROR -> failed to create the stream from the file\n");
757                         return EXIT_FAILURE;
758                 }
759
760                 /* decode the JPEG2000 stream */
761                 /* ---------------------- */
762
763                 switch(parameters.decod_format) {
764                         case J2K_CFMT:  /* JPEG-2000 codestream */
765                         {
766                                 /* Get a decoder handle */
767                                 dinfo = opj_create_decompress_v2(CODEC_J2K);
768                                 break;
769                         }
770                         case JP2_CFMT:  /* JPEG 2000 compressed image data */
771                         {
772                                 /* Get a decoder handle */
773                                 dinfo = opj_create_decompress_v2(CODEC_JP2);
774                                 break;
775                         }
776                         case JPT_CFMT:  /* JPEG 2000, JPIP */
777                         {
778                                 /* Get a decoder handle */
779                                 dinfo = opj_create_decompress_v2(CODEC_JPT);
780                                 break;
781                         }
782                         default:
783                                 fprintf(stderr, "skipping file..\n");
784                                 opj_stream_destroy(cio);
785                                 continue;
786                 }
787
788                 /* Setup the decoder decoding parameters using user parameters */
789                 if ( !opj_setup_decoder_v2(dinfo, &parameters, &event_mgr) ){
790                         fprintf(stderr, "ERROR -> j2k_dump: failed to setup the decoder\n");
791                         opj_stream_destroy(cio);
792                         fclose(fsrc);
793                         opj_destroy_codec(dinfo);
794                         return EXIT_FAILURE;
795                 }
796
797
798                 /* Read the main header of the codestream and if necessary the JP2 boxes*/
799                 if(! opj_read_header(cio, dinfo, &image)){
800                         fprintf(stderr, "ERROR -> j2k_to_image: failed to read the header\n");
801                         opj_stream_destroy(cio);
802                         fclose(fsrc);
803                         opj_destroy_codec(dinfo);
804                         opj_image_destroy(image);
805                         return EXIT_FAILURE;
806                 }
807
808                 if (!parameters.nb_tile_to_decode) {
809                         // Optional if you want decode the entire image
810                         if (!opj_set_decode_area(dinfo, image, parameters.DA_x0,
811                                         parameters.DA_y0, parameters.DA_x1, parameters.DA_y1)){
812                                 fprintf(stderr, "ERROR -> j2k_to_image: failed to set the decoded area\n");
813                                 opj_stream_destroy(cio);
814                                 opj_destroy_codec(dinfo);
815                                 opj_image_destroy(image);
816                                 fclose(fsrc);
817                                 return EXIT_FAILURE;
818                         }
819
820                         /* Get the decoded image */
821                         if (!(opj_decode_v2(dinfo, cio, image) && opj_end_decompress(dinfo,     cio))) {
822                                 fprintf(stderr,"ERROR -> j2k_to_image: failed to decode image!\n");
823                                 opj_destroy_codec(dinfo);
824                                 opj_stream_destroy(cio);
825                                 opj_image_destroy(image);
826                                 fclose(fsrc);
827                                 return EXIT_FAILURE;
828                         }
829                 }
830                 else {
831
832                         // It is just here to illustrate how to use the resolution after set parameters
833                         /*if (!opj_set_decoded_resolution_factor(dinfo, 5)) {
834                                 fprintf(stderr, "ERROR -> j2k_to_image: failed to set the resolution factor tile!\n");
835                                 opj_destroy_codec(dinfo);
836                                 opj_stream_destroy(cio);
837                                 opj_image_destroy(image);
838                                 fclose(fsrc);
839                                 return EXIT_FAILURE;
840                         }*/
841
842                         if (!opj_get_decoded_tile(dinfo, cio, image, parameters.tile_index)) {
843                                 fprintf(stderr, "ERROR -> j2k_to_image: failed to decode tile!\n");
844                                 opj_destroy_codec(dinfo);
845                                 opj_stream_destroy(cio);
846                                 opj_image_destroy(image);
847                                 fclose(fsrc);
848                                 return EXIT_FAILURE;
849                         }
850                         fprintf(stdout, "tile %d is decoded!\n\n", parameters.tile_index);
851                 }
852
853                 /* Close the byte stream */
854                 opj_stream_destroy(cio);
855                 fclose(fsrc);
856
857                 if(image->color_space == CLRSPC_SYCC){
858                         color_sycc_to_rgb(image); /* FIXME */
859                 }
860
861                 if(image->icc_profile_buf) {
862 #if defined(HAVE_LIBLCMS1) || defined(HAVE_LIBLCMS2)
863                         color_apply_icc_profile(image); /* FIXME */
864 #endif
865                         free(image->icc_profile_buf);
866                         image->icc_profile_buf = NULL; image->icc_profile_len = 0;
867                 }
868
869                 /* create output image */
870                 /* ------------------- */
871                 switch (parameters.cod_format) {
872                 case PXM_DFMT:                  /* PNM PGM PPM */
873                         if (imagetopnm(image, parameters.outfile)) {
874                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
875                         }
876                         else {
877                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
878                         }
879                         break;
880
881                 case PGX_DFMT:                  /* PGX */
882                         if(imagetopgx(image, parameters.outfile)){
883                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
884                         }
885                         else {
886                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
887                         }
888                         break;
889
890                 case BMP_DFMT:                  /* BMP */
891                         if(imagetobmp(image, parameters.outfile)){
892                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
893                         }
894                         else {
895                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
896                         }
897                         break;
898 #ifdef HAVE_LIBTIFF
899                 case TIF_DFMT:                  /* TIFF */
900                         if(imagetotif(image, parameters.outfile)){
901                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
902                         }
903                         else {
904                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
905                         }
906                         break;
907 #endif /* HAVE_LIBTIFF */
908                 case RAW_DFMT:                  /* RAW */
909                         if(imagetoraw(image, parameters.outfile)){
910                                 fprintf(stdout,"Error generating raw file. Outfile %s not generated\n",parameters.outfile);
911                         }
912                         else {
913                                 fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile);
914                         }
915                         break;
916
917                 case TGA_DFMT:                  /* TGA */
918                         if(imagetotga(image, parameters.outfile)){
919                                 fprintf(stdout,"Error generating tga file. Outfile %s not generated\n",parameters.outfile);
920                         }
921                         else {
922                                 fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile);
923                         }
924                         break;
925 #ifdef HAVE_LIBPNG
926                 case PNG_DFMT:                  /* PNG */
927                         if(imagetopng(image, parameters.outfile)){
928                                 fprintf(stdout,"Error generating png file. Outfile %s not generated\n",parameters.outfile);
929                         }
930                         else {
931                                 fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile);
932                         }
933                         break;
934 #endif /* HAVE_LIBPNG */
935 /* Can happen if output file is TIFF or PNG
936  * and HAVE_LIBTIF or HAVE_LIBPNG is undefined
937 */
938                         default:
939                                 fprintf(stderr,"Outfile %s not generated\n",parameters.outfile);
940                 }
941
942                 /* free remaining structures */
943                 if (dinfo) {
944                         opj_destroy_codec(dinfo);
945                 }
946
947
948                 /* free image data structure */
949                 opj_image_destroy(image);
950
951                 /* destroy the codestream index */
952                 opj_destroy_cstr_index(&cstr_index);
953
954         }
955         return EXIT_SUCCESS;
956 }
957 /*end main*/
958
959
960
961