[trunk] WIP: enhance j2k_to_image with new get_decoded_tile functionality
[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 #define JP2_RFC3745_MAGIC "\x00\x00\x00\x0c\x6a\x50\x20\x20\x0d\x0a\x87\x0a"
261 #define JP2_MAGIC "\x0d\x0a\x87\x0a"
262 /* position 45: "\xff\x52" */
263 #define J2K_CODESTREAM_MAGIC "\xff\x4f\xff\x51"
264
265 static int infile_format(const char *fname)
266 {
267         FILE *reader;
268         const char *s, *magic_s;
269         int ext_format, magic_format;
270         unsigned char buf[12];
271
272         reader = fopen(fname, "rb");
273
274         if (reader == NULL)
275                 return -1;
276
277         memset(buf, 0, 12);
278         unsigned int l_nb_read = fread(buf, 1, 12, reader);
279         fclose(reader);
280         if (l_nb_read != 12)
281                 return -1;
282
283
284
285         ext_format = get_file_format(fname);
286
287         if (ext_format == JPT_CFMT)
288                 return JPT_CFMT;
289
290         if (memcmp(buf, JP2_RFC3745_MAGIC, 12) == 0 || memcmp(buf, JP2_MAGIC, 4) == 0) {
291                 magic_format = JP2_CFMT;
292                 magic_s = ".jp2";
293         }
294         else if (memcmp(buf, J2K_CODESTREAM_MAGIC, 4) == 0) {
295                 magic_format = J2K_CFMT;
296                 magic_s = ".j2k or .jpc or .j2c";
297         }
298         else
299                 return -1;
300
301         if (magic_format == ext_format)
302                 return ext_format;
303
304         s = fname + strlen(fname) - 4;
305
306         fputs("\n===========================================\n", stderr);
307         fprintf(stderr, "The extension of this file is incorrect.\n"
308                                         "FOUND %s. SHOULD BE %s\n", s, magic_s);
309         fputs("===========================================\n", stderr);
310
311         return magic_format;
312 }
313
314 /* -------------------------------------------------------------------------- */
315 /**
316  * Parse the command line
317  */
318 /* -------------------------------------------------------------------------- */
319 int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,img_fol_t *img_fol, char *indexfilename) {
320         /* parse the command line */
321         int totlen, c;
322         opj_option_t long_option[]={
323                 {"ImgDir",REQ_ARG, NULL ,'y'},
324                 {"OutFor",REQ_ARG, NULL ,'O'},
325         };
326
327         const char optlist[] = "i:o:r:l:x:d:t:"
328
329 /* UniPG>> */
330 #ifdef USE_JPWL
331                                         "W:"
332 #endif /* USE_JPWL */
333 /* <<UniPG */
334                         "h"             ;
335         totlen=sizeof(long_option);
336         img_fol->set_out_format = 0;
337         do {
338                 c = opj_getopt_long(argc, argv,optlist,long_option,totlen);
339                 if (c == -1)
340                         break;
341                 switch (c) {
342                         case 'i':                       /* input file */
343                         {
344                                 char *infile = opj_optarg;
345                                 parameters->decod_format = infile_format(infile);
346                                 switch(parameters->decod_format) {
347                                         case J2K_CFMT:
348                                                 break;
349                                         case JP2_CFMT:
350                                                 break;
351                                         case JPT_CFMT:
352                                                 break;
353                                         default:
354                                                 fprintf(stderr, 
355                                                         "!! Unrecognized format for infile : %s [accept only *.j2k, *.jp2, *.jpc or *.jpt] !!\n\n", 
356                                                         infile);
357                                                 return 1;
358                                 }
359                                 strncpy(parameters->infile, infile, sizeof(parameters->infile)-1);
360                         }
361                         break;
362                                 
363                                 /* ----------------------------------------------------- */
364
365                         case 'o':                       /* output file */
366                         {
367                                 char *outfile = opj_optarg;
368                                 parameters->cod_format = get_file_format(outfile);
369                                 switch(parameters->cod_format) {
370                                         case PGX_DFMT:
371                                                 break;
372                                         case PXM_DFMT:
373                                                 break;
374                                         case BMP_DFMT:
375                                                 break;
376                                         case TIF_DFMT:
377                                                 break;
378                                         case RAW_DFMT:
379                                                 break;
380                                         case TGA_DFMT:
381                                                 break;
382                                         case PNG_DFMT:
383                                                 break;
384                                         default:
385                                                 fprintf(stderr, "Unknown output format image %s [only *.pnm, *.pgm, *.ppm, *.pgx, *.bmp, *.tif, *.raw or *.tga]!! \n", outfile);
386                                                 return 1;
387                                 }
388                                 strncpy(parameters->outfile, outfile, sizeof(parameters->outfile)-1);
389                         }
390                         break;
391                         
392                                 /* ----------------------------------------------------- */
393
394                         case 'O':                       /* output format */
395                         {
396                                 char outformat[50];
397                                 char *of = opj_optarg;
398                                 sprintf(outformat,".%s",of);
399                                 img_fol->set_out_format = 1;
400                                 parameters->cod_format = get_file_format(outformat);
401                                 switch(parameters->cod_format) {
402                                         case PGX_DFMT:
403                                                 img_fol->out_format = "pgx";
404                                                 break;
405                                         case PXM_DFMT:
406                                                 img_fol->out_format = "ppm";
407                                                 break;
408                                         case BMP_DFMT:
409                                                 img_fol->out_format = "bmp";
410                                                 break;
411                                         case TIF_DFMT:
412                                                 img_fol->out_format = "tif";
413                                                 break;
414                                         case RAW_DFMT:
415                                                 img_fol->out_format = "raw";
416                                                 break;
417                                         case TGA_DFMT:
418                                                 img_fol->out_format = "raw";
419                                                 break;
420                                         case PNG_DFMT:
421                                                 img_fol->out_format = "png";
422                                                 break;
423                                         default:
424                                                 fprintf(stderr, "Unknown output format image %s [only *.pnm, *.pgm, *.ppm, *.pgx, *.bmp, *.tif, *.raw or *.tga]!! \n", outformat);
425                                                 return 1;
426                                                 break;
427                                 }
428                         }
429                         break;
430
431                                 /* ----------------------------------------------------- */
432
433
434                         case 'r':               /* reduce option */
435                         {
436                                 sscanf(opj_optarg, "%d", &parameters->cp_reduce);
437                         }
438                         break;
439                         
440                                 /* ----------------------------------------------------- */
441       
442
443                         case 'l':               /* layering option */
444                         {
445                                 sscanf(opj_optarg, "%d", &parameters->cp_layer);
446                         }
447                         break;
448                         
449                                 /* ----------------------------------------------------- */
450
451                         case 'h':                       /* display an help description */
452                                 decode_help_display();
453                                 return 1;                               
454
455                                 /* ------------------------------------------------------ */
456
457                         case 'y':                       /* Image Directory path */
458                                 {
459                                         img_fol->imgdirpath = (char*)malloc(strlen(opj_optarg) + 1);
460                                         strcpy(img_fol->imgdirpath,opj_optarg);
461                                         img_fol->set_imgdir=1;
462                                 }
463                                 break;
464
465                                 /* ----------------------------------------------------- */
466
467                         case 'd':               /* Input decode ROI */
468                         {
469                                 int size_optarg = (int)strlen(opj_optarg) + 1;
470                                 char *ROI_values = (char*) malloc(size_optarg);
471                                 ROI_values[0] = '\0';
472                                 strncpy(ROI_values, opj_optarg, strlen(opj_optarg));
473                                 ROI_values[strlen(opj_optarg)] = '\0';
474                                 /*printf("ROI_values = %s [%d / %d]\n", ROI_values, strlen(ROI_values), size_optarg ); */
475                                 parse_DA_values( ROI_values, &parameters->DA_x0, &parameters->DA_y0, &parameters->DA_x1, &parameters->DA_y1);
476
477                                 free(ROI_values);
478                         }
479                         break;
480
481                         /* ----------------------------------------------------- */
482
483                         case 't':               /* Input tile index */
484                         {
485                                 sscanf(opj_optarg, "%d", &parameters->tile_index);
486                                 parameters->nb_tile_to_decode = 1;
487                         }
488                         break;
489
490                                 /* ----------------------------------------------------- */                                                             
491
492                         case 'x':                       /* Creation of index file */
493                                 {
494                                         char *index = opj_optarg;
495                                         strncpy(indexfilename, index, OPJ_PATH_LEN);
496                                 }
497                                 break;
498                                 /* ----------------------------------------------------- */
499                                 /* UniPG>> */
500 #ifdef USE_JPWL
501                         
502                         case 'W':                       /* activate JPWL correction */
503                         {
504                                 char *token = NULL;
505
506                                 token = strtok(opj_optarg, ",");
507                                 while(token != NULL) {
508
509                                         /* search expected number of components */
510                                         if (*token == 'c') {
511
512                                                 static int compno;
513
514                                                 compno = JPWL_EXPECTED_COMPONENTS; /* predefined no. of components */
515
516                                                 if(sscanf(token, "c=%d", &compno) == 1) {
517                                                         /* Specified */
518                                                         if ((compno < 1) || (compno > 256)) {
519                                                                 fprintf(stderr, "ERROR -> invalid number of components c = %d\n", compno);
520                                                                 return 1;
521                                                         }
522                                                         parameters->jpwl_exp_comps = compno;
523
524                                                 } else if (!strcmp(token, "c")) {
525                                                         /* default */
526                                                         parameters->jpwl_exp_comps = compno; /* auto for default size */
527
528                                                 } else {
529                                                         fprintf(stderr, "ERROR -> invalid components specified = %s\n", token);
530                                                         return 1;
531                                                 };
532                                         }
533
534                                         /* search maximum number of tiles */
535                                         if (*token == 't') {
536
537                                                 static int tileno;
538
539                                                 tileno = JPWL_MAXIMUM_TILES; /* maximum no. of tiles */
540
541                                                 if(sscanf(token, "t=%d", &tileno) == 1) {
542                                                         /* Specified */
543                                                         if ((tileno < 1) || (tileno > JPWL_MAXIMUM_TILES)) {
544                                                                 fprintf(stderr, "ERROR -> invalid number of tiles t = %d\n", tileno);
545                                                                 return 1;
546                                                         }
547                                                         parameters->jpwl_max_tiles = tileno;
548
549                                                 } else if (!strcmp(token, "t")) {
550                                                         /* default */
551                                                         parameters->jpwl_max_tiles = tileno; /* auto for default size */
552
553                                                 } else {
554                                                         fprintf(stderr, "ERROR -> invalid tiles specified = %s\n", token);
555                                                         return 1;
556                                                 };
557                                         }
558
559                                         /* next token or bust */
560                                         token = strtok(NULL, ",");
561                                 };
562                                 parameters->jpwl_correct = OPJ_TRUE;
563                                 fprintf(stdout, "JPWL correction capability activated\n");
564                                 fprintf(stdout, "- expecting %d components\n", parameters->jpwl_exp_comps);
565                         }
566                         break;  
567 #endif /* USE_JPWL */
568 /* <<UniPG */            
569
570                                 /* ----------------------------------------------------- */
571                         
572                         default:
573                                 fprintf(stderr,"WARNING -> this option is not valid \"-%c %s\"\n",c, opj_optarg);
574                                 break;
575                 }
576         }while(c != -1);
577
578         /* check for possible errors */
579         if(img_fol->set_imgdir==1){
580                 if(!(parameters->infile[0]==0)){
581                         fprintf(stderr, "Error: options -ImgDir and -i cannot be used together !!\n");
582                         return 1;
583                 }
584                 if(img_fol->set_out_format == 0){
585                         fprintf(stderr, "Error: When -ImgDir is used, -OutFor <FORMAT> must be used !!\n");
586                         fprintf(stderr, "Only one format allowed! Valid format PGM, PPM, PNM, PGX, BMP, TIF, RAW and TGA!!\n");
587                         return 1;
588                 }
589                 if(!((parameters->outfile[0] == 0))){
590                         fprintf(stderr, "Error: options -ImgDir and -o cannot be used together !!\n");
591                         return 1;
592                 }
593         }else{
594                 if((parameters->infile[0] == 0) || (parameters->outfile[0] == 0)) {
595                         fprintf(stderr, "Example: %s -i image.j2k -o image.pgm\n",argv[0]);
596                         fprintf(stderr, "    Try: %s -h\n",argv[0]);
597                         return 1;
598                 }
599         }
600
601         return 0;
602 }
603
604 /* -------------------------------------------------------------------------- */
605 /**
606  * Parse decoding area input values
607  * separator = ","
608  */
609 /* -------------------------------------------------------------------------- */
610 int parse_DA_values( char* inArg, unsigned int *DA_x0, unsigned int *DA_y0, unsigned int *DA_x1, unsigned int *DA_y1)
611 {
612         int it = 0;
613         int values[4];
614         char delims[] = ",";
615         char *result = NULL;
616         result = strtok( inArg, delims );
617
618         while( (result != NULL) && (it < 4 ) ) {
619                 values[it] = atoi(result);
620                 result = strtok( NULL, delims );
621                 it++;
622         }
623
624         if (it != 4) {
625                 return EXIT_FAILURE;
626         }
627         else{
628                 *DA_x0 = values[0]; *DA_y0 = values[1];
629                 *DA_x1 = values[2]; *DA_y1 = values[3];
630                 return EXIT_SUCCESS;
631         }
632 }
633
634 /* -------------------------------------------------------------------------- */
635
636 /**
637 sample error callback expecting a FILE* client object
638 */
639 void error_callback(const char *msg, void *client_data) {
640         FILE *stream = (FILE*)client_data;
641         fprintf(stream, "[ERROR] %s", msg);
642 }
643 /**
644 sample warning callback expecting a FILE* client object
645 */
646 void warning_callback(const char *msg, void *client_data) {
647         FILE *stream = (FILE*)client_data;
648         fprintf(stream, "[WARNING] %s", msg);
649 }
650 /**
651 sample debug callback expecting no client object
652 */
653 void info_callback(const char *msg, void *client_data) {
654         (void)client_data;
655         fprintf(stdout, "[INFO] %s", msg);
656 }
657
658 /* -------------------------------------------------------------------------- */
659 /**
660  * J2K_TO_IMAGE MAIN
661  */
662 /* -------------------------------------------------------------------------- */
663 int main(int argc, char **argv)
664 {
665         FILE *fsrc = NULL;
666
667         opj_dparameters_t parameters;                   /* decompression parameters */
668         opj_event_mgr_t event_mgr;                              /* event manager */
669         opj_image_t* image = NULL;
670         opj_stream_t *cio = NULL;                               /* Stream */
671         opj_codec_t* dinfo = NULL;                              /* Handle to a decompressor */
672         opj_codestream_index_t* cstr_index = NULL;
673
674         char indexfilename[OPJ_PATH_LEN];       /* index file name */
675
676         OPJ_INT32 num_images, imageno;
677         img_fol_t img_fol;
678         dircnt_t *dirptr = NULL;
679
680         /* configure the event callbacks (not required) */
681         memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
682         event_mgr.error_handler = error_callback;
683         event_mgr.warning_handler = warning_callback;
684         event_mgr.info_handler = info_callback;
685
686         /* set decoding parameters to default values */
687         opj_set_default_decoder_parameters(&parameters);
688
689         /* FIXME Initialize indexfilename and img_fol */
690         *indexfilename = 0;
691
692         /* Initialize img_fol */
693         memset(&img_fol,0,sizeof(img_fol_t));
694
695         /* parse input and get user encoding parameters */
696         if(parse_cmdline_decoder(argc, argv, &parameters,&img_fol, indexfilename) == 1) {
697                 return EXIT_FAILURE;
698         }
699
700         /* Set default event mgr */
701         opj_initialize_default_event_handler(&event_mgr, 1);
702
703         /* Initialize reading of directory */
704         if(img_fol.set_imgdir==1){      
705                 int it_image;
706                 num_images=get_num_images(img_fol.imgdirpath);
707
708                 dirptr=(dircnt_t*)malloc(sizeof(dircnt_t));
709                 if(dirptr){
710                         dirptr->filename_buf = (char*)malloc(num_images*OPJ_PATH_LEN*sizeof(char));     /* Stores at max 10 image file names */
711                         dirptr->filename = (char**) malloc(num_images*sizeof(char*));
712
713                         if(!dirptr->filename_buf){
714                                 return EXIT_FAILURE;
715                         }
716                         for(it_image=0;it_image<num_images;it_image++){
717                                 dirptr->filename[it_image] = dirptr->filename_buf + it_image*OPJ_PATH_LEN;
718                         }
719                 }
720                 if(load_images(dirptr,img_fol.imgdirpath)==1){
721                         return EXIT_FAILURE;
722                 }
723                 if (num_images==0){
724                         fprintf(stdout,"Folder is empty\n");
725                         return EXIT_FAILURE;
726                 }
727         }else{
728                 num_images=1;
729         }
730
731         /*Decoding image one by one*/
732         for(imageno = 0; imageno < num_images ; imageno++)      {
733
734                 fprintf(stderr,"\n");
735
736                 if(img_fol.set_imgdir==1){
737                         if (get_next_file(imageno, dirptr,&img_fol, &parameters)) {
738                                 fprintf(stderr,"skipping file...\n");
739                                 continue;
740                         }
741                 }
742
743                 /* read the input file and put it in memory */
744                 /* ---------------------------------------- */
745                 fsrc = fopen(parameters.infile, "rb");
746                 if (!fsrc) {
747                         fprintf(stderr, "ERROR -> failed to open %s for reading\n", parameters.infile);
748                         return EXIT_FAILURE;
749                 }
750
751                 cio = opj_stream_create_default_file_stream(fsrc,1);
752                 if (!cio){
753                         fclose(fsrc);
754                         fprintf(stderr, "ERROR -> failed to create the stream from the file\n");
755                         return EXIT_FAILURE;
756                 }
757
758                 /* decode the JPEG2000 stream */
759                 /* ---------------------- */
760
761                 switch(parameters.decod_format) {
762                         case J2K_CFMT:  /* JPEG-2000 codestream */
763                         {
764                                 /* Get a decoder handle */
765                                 dinfo = opj_create_decompress_v2(CODEC_J2K);
766                                 break;
767                         }
768                         case JP2_CFMT:  /* JPEG 2000 compressed image data */
769                         {
770                                 /* Get a decoder handle */
771                                 dinfo = opj_create_decompress_v2(CODEC_JP2);
772                                 break;
773                         }
774                         case JPT_CFMT:  /* JPEG 2000, JPIP */
775                         {
776                                 /* Get a decoder handle */
777                                 dinfo = opj_create_decompress_v2(CODEC_JPT);
778                                 break;
779                         }
780                         default:
781                                 fprintf(stderr, "skipping file..\n");
782                                 opj_stream_destroy(cio);
783                                 continue;
784                 }
785
786                 /* Setup the decoder decoding parameters using user parameters */
787                 if ( !opj_setup_decoder_v2(dinfo, &parameters, &event_mgr) ){
788                         fprintf(stderr, "ERROR -> j2k_dump: failed to setup the decoder\n");
789                         opj_stream_destroy(cio);
790                         fclose(fsrc);
791                         opj_destroy_codec(dinfo);
792                         return EXIT_FAILURE;
793                 }
794
795
796                 /* Read the main header of the codestream and if necessary the JP2 boxes*/
797                 if(! opj_read_header(cio, dinfo, &image)){
798                         fprintf(stderr, "ERROR -> j2k_to_image: failed to read the header\n");
799                         opj_stream_destroy(cio);
800                         fclose(fsrc);
801                         opj_destroy_codec(dinfo);
802                         opj_image_destroy(image);
803                         return EXIT_FAILURE;
804                 }
805
806                 if (!parameters.nb_tile_to_decode) {
807                         // Optional if you want decode the entire image
808                         if (!opj_set_decode_area(dinfo, image, parameters.DA_x0,
809                                         parameters.DA_y0, parameters.DA_x1, parameters.DA_y1)){
810                                 fprintf(stderr,
811                                                 "ERROR -> j2k_to_image: failed to set the decoded area\n");
812                                 opj_stream_destroy(cio);
813                                 opj_destroy_codec(dinfo);
814                                 opj_image_destroy(image);
815                                 fclose(fsrc);
816                                 return EXIT_FAILURE;
817                         }
818
819                         /* Get the decoded image */
820                         if (!(opj_decode_v2(dinfo, cio, image) && opj_end_decompress(dinfo,
821                                         cio))) {
822                                 fprintf(stderr,
823                                                 "ERROR -> j2k_to_image: failed to decode image!\n");
824                                 opj_destroy_codec(dinfo);
825                                 opj_stream_destroy(cio);
826                                 opj_image_destroy(image);
827                                 fclose(fsrc);
828                                 return EXIT_FAILURE;
829                         }
830                 }
831                 else {
832                         if (!opj_get_decoded_tile(dinfo, cio, image, parameters.tile_index)) {
833                                 fprintf(stderr, "ERROR -> j2k_to_image: failed to decode tile!\n");
834                                 opj_destroy_codec(dinfo);
835                                 opj_stream_destroy(cio);
836                                 opj_image_destroy(image);
837                                 fclose(fsrc);
838                                 return EXIT_FAILURE;
839                         }
840                         fprintf(stdout, "tile %d is decoded!\n\n", parameters.tile_index);
841                 }
842
843                 /* Close the byte stream */
844                 opj_stream_destroy(cio);
845                 fclose(fsrc);
846
847                 if(image->color_space == CLRSPC_SYCC){
848                         color_sycc_to_rgb(image); /* FIXME */
849                 }
850
851                 if(image->icc_profile_buf) {
852 #if defined(HAVE_LIBLCMS1) || defined(HAVE_LIBLCMS2)
853                         color_apply_icc_profile(image); /* FIXME */
854 #endif
855                         free(image->icc_profile_buf);
856                         image->icc_profile_buf = NULL; image->icc_profile_len = 0;
857                 }
858
859                 /* create output image */
860                 /* ------------------- */
861                 switch (parameters.cod_format) {
862                 case PXM_DFMT:                  /* PNM PGM PPM */
863                         if (imagetopnm(image, parameters.outfile)) {
864                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
865                         }
866                         else {
867                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
868                         }
869                         break;
870
871                 case PGX_DFMT:                  /* PGX */
872                         if(imagetopgx(image, parameters.outfile)){
873                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
874                         }
875                         else {
876                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
877                         }
878                         break;
879
880                 case BMP_DFMT:                  /* BMP */
881                         if(imagetobmp(image, parameters.outfile)){
882                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
883                         }
884                         else {
885                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
886                         }
887                         break;
888 #ifdef HAVE_LIBTIFF
889                 case TIF_DFMT:                  /* TIFF */
890                         if(imagetotif(image, parameters.outfile)){
891                                 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
892                         }
893                         else {
894                                 fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);
895                         }
896                         break;
897 #endif /* HAVE_LIBTIFF */
898                 case RAW_DFMT:                  /* RAW */
899                         if(imagetoraw(image, parameters.outfile)){
900                                 fprintf(stdout,"Error generating raw file. Outfile %s not generated\n",parameters.outfile);
901                         }
902                         else {
903                                 fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile);
904                         }
905                         break;
906
907                 case TGA_DFMT:                  /* TGA */
908                         if(imagetotga(image, parameters.outfile)){
909                                 fprintf(stdout,"Error generating tga file. Outfile %s not generated\n",parameters.outfile);
910                         }
911                         else {
912                                 fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile);
913                         }
914                         break;
915 #ifdef HAVE_LIBPNG
916                 case PNG_DFMT:                  /* PNG */
917                         if(imagetopng(image, parameters.outfile)){
918                                 fprintf(stdout,"Error generating png file. Outfile %s not generated\n",parameters.outfile);
919                         }
920                         else {
921                                 fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile);
922                         }
923                         break;
924 #endif /* HAVE_LIBPNG */
925 /* Can happen if output file is TIFF or PNG
926  * and HAVE_LIBTIF or HAVE_LIBPNG is undefined
927 */
928                         default:
929                                 fprintf(stderr,"Outfile %s not generated\n",parameters.outfile);
930                 }
931
932                 /* free remaining structures */
933                 if (dinfo) {
934                         opj_destroy_codec(dinfo);
935                 }
936
937
938                 /* free image data structure */
939                 opj_image_destroy(image);
940
941                 /* destroy the codestream index */
942                 opj_destroy_cstr_index(&cstr_index);
943
944         }
945         return EXIT_SUCCESS;
946 }
947 //end main
948
949
950
951