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
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
36 #include "compat/getopt.h"
41 #define stricmp strcasecmp
42 #define strnicmp strncasecmp
45 /* ----------------------------------------------------------------------- */
57 /* ----------------------------------------------------------------------- */
59 typedef struct dircnt{
60 /** Buffer for holding images read from Directory*/
62 /** Pointer to the buffer*/
67 typedef struct img_folder{
68 /** The directory path of the folder containing input images*/
74 /** Enable Cod Format for output*/
79 void decode_help_display() {
80 fprintf(stdout,"HELP\n----\n\n");
81 fprintf(stdout,"- the -h option displays this help information on screen\n\n");
84 fprintf(stdout,"List of parameters for the JPEG 2000 "
92 fprintf(stdout," -ImgDir \n");
93 fprintf(stdout," Image file Directory path \n");
94 fprintf(stdout," -OutFor \n");
95 fprintf(stdout," REQUIRED only if -ImgDir is used\n");
96 fprintf(stdout," Need to specify only format without filename <BMP> \n");
97 fprintf(stdout," Currently accepts PGM, PPM, PNM, PGX, BMP format\n");
98 fprintf(stdout," -i <compressed file>\n");
99 fprintf(stdout," REQUIRED only if an Input image directory not specified\n");
100 fprintf(stdout," Currently accepts J2K-files, JP2-files and JPT-files. The file type\n");
101 fprintf(stdout," is identified based on its suffix.\n");
102 fprintf(stdout," -o <decompressed file>\n");
103 fprintf(stdout," REQUIRED\n");
104 fprintf(stdout," Currently accepts PGM-files, PPM-files, PNM-files, PGX-files and\n");
105 fprintf(stdout," BMP-files. Binary data is written to the file (not ascii). If a PGX\n");
106 fprintf(stdout," filename is given, there will be as many output files as there are\n");
107 fprintf(stdout," components: an indice starting from 0 will then be appended to the\n");
108 fprintf(stdout," output filename, just before the \"pgx\" extension. If a PGM filename\n");
109 fprintf(stdout," is given and there are more than one component, only the first component\n");
110 fprintf(stdout," will be written to the file.\n");
111 fprintf(stdout," -r <reduce factor>\n");
112 fprintf(stdout," Set the number of highest resolution levels to be discarded. The\n");
113 fprintf(stdout," image resolution is effectively divided by 2 to the power of the\n");
114 fprintf(stdout," number of discarded levels. The reduce factor is limited by the\n");
115 fprintf(stdout," smallest total number of decomposition levels among tiles.\n");
116 fprintf(stdout," -l <number of quality layers to decode>\n");
117 fprintf(stdout," Set the maximum number of quality layers to decode. If there are\n");
118 fprintf(stdout," less quality layers than the specified number, all the quality layers\n");
119 fprintf(stdout," are decoded.\n");
122 fprintf(stdout," -W <options>\n");
123 fprintf(stdout," Activates the JPWL correction capability, if the codestream complies.\n");
124 fprintf(stdout," Options can be a comma separated list of <param=val> tokens:\n");
125 fprintf(stdout," c, c=numcomps\n");
126 fprintf(stdout," numcomps is the number of expected components in the codestream\n");
127 fprintf(stdout," (search of first EPB rely upon this, default is %d)\n", JPWL_EXPECTED_COMPONENTS);
128 #endif /* USE_JPWL */
130 fprintf(stdout,"\n");
133 /* -------------------------------------------------------------------------- */
135 int get_num_images(char *imgdirpath){
137 struct dirent* content;
140 /*Reading the input images from given input directory*/
142 dir= opendir(imgdirpath);
144 fprintf(stderr,"Could not open Folder %s\n",imgdirpath);
148 while((content=readdir(dir))!=NULL){
149 if(strcmp(".",content->d_name)==0 || strcmp("..",content->d_name)==0 )
156 int load_images(dircnt_t *dirptr, char *imgdirpath){
158 struct dirent* content;
161 /*Reading the input images from given input directory*/
163 dir= opendir(imgdirpath);
165 fprintf(stderr,"Could not open Folder %s\n",imgdirpath);
168 fprintf(stderr,"Folder opened successfully\n");
171 while((content=readdir(dir))!=NULL){
172 if(strcmp(".",content->d_name)==0 || strcmp("..",content->d_name)==0 )
175 strcpy(dirptr->filename[i],content->d_name);
181 int get_file_format(char *filename) {
183 static const char *extension[] = {"pgx", "pnm", "pgm", "ppm", "bmp","tif", "j2k", "jp2", "jpt" };
184 static const int format[] = { PGX_DFMT, PXM_DFMT, PXM_DFMT, PXM_DFMT, BMP_DFMT, TIF_DFMT, J2K_CFMT, JP2_CFMT, JPT_CFMT };
185 char * ext = strrchr(filename, '.');
190 for(i = 0; i < sizeof(format)/sizeof(*format); i++) {
191 if(strnicmp(ext, extension[i], 3) == 0) {
200 char get_next_file(int imageno,dircnt_t *dirptr,img_fol_t *img_fol, opj_dparameters_t *parameters){
201 char image_filename[OPJ_PATH_LEN], infilename[OPJ_PATH_LEN],outfilename[OPJ_PATH_LEN],temp_ofname[OPJ_PATH_LEN];
203 strcpy(image_filename,dirptr->filename[imageno]);
204 fprintf(stderr,"File Number %d \"%s\"\n",imageno,image_filename);
205 parameters->decod_format = get_file_format(image_filename);
206 if (parameters->decod_format == -1)
208 sprintf(infilename,"%s/%s",img_fol->imgdirpath,image_filename);
209 strncpy(parameters->infile, infilename, sizeof(infilename));
212 strcpy(temp_ofname,strtok(image_filename,"."));
213 if(img_fol->set_out_format==1){
214 sprintf(outfilename,"%s/%s.%s",img_fol->imgdirpath,temp_ofname,img_fol->out_format);
215 strncpy(parameters->outfile, outfilename, sizeof(outfilename));
221 /* -------------------------------------------------------------------------- */
223 int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,img_fol_t *img_fol) {
224 /* parse the command line */
226 option_t long_option[]={
227 {"ImgDir",REQ_ARG, NULL ,'y'},
228 {"OutFor",REQ_ARG, NULL ,'O'},
232 const char optlist[] = "i:o:r:l:h"
236 #endif /* USE_JPWL */
239 totlen=sizeof(long_option);
240 img_fol->set_out_format = 0;
242 int c = getopt_long(argc, argv,optlist,long_option,NULL,totlen);
246 case 'i': /* input file */
248 char *infile = optarg;
249 parameters->decod_format = get_file_format(infile);
250 switch(parameters->decod_format) {
257 "!! Unrecognized format for infile : %s [accept only *.j2k, *.jp2, *.jpc or *.jpt] !!\n\n",
261 strncpy(parameters->infile, infile, sizeof(parameters->infile)-1);
265 /* ----------------------------------------------------- */
267 case 'o': /* output file */
269 char *outfile = optarg;
270 parameters->cod_format = get_file_format(outfile);
271 switch(parameters->cod_format) {
278 fprintf(stderr, "Unknown output format image %s [only *.pnm, *.pgm, *.ppm, *.pgx or *.bmp]!! \n", outfile);
281 strncpy(parameters->outfile, outfile, sizeof(parameters->outfile)-1);
285 /* ----------------------------------------------------- */
287 case 'O': /* output format */
291 sprintf(outformat,".%s",of);
292 img_fol->set_out_format = 1;
293 parameters->cod_format = get_file_format(outformat);
294 switch(parameters->cod_format) {
296 img_fol->out_format = "pgx";
299 img_fol->out_format = "ppm";
302 img_fol->out_format = "bmp";
305 img_fol->out_format = "tif";
308 fprintf(stderr, "Unknown output format image %s [only *.pnm, *.pgm, *.ppm, *.pgx or *.bmp]!! \n");
315 /* ----------------------------------------------------- */
318 case 'r': /* reduce option */
320 sscanf(optarg, "%d", ¶meters->cp_reduce);
324 /* ----------------------------------------------------- */
327 case 'l': /* layering option */
329 sscanf(optarg, "%d", ¶meters->cp_layer);
333 /* ----------------------------------------------------- */
335 case 'h': /* display an help description */
336 decode_help_display();
339 /* ------------------------------------------------------ */
341 case 'y': /* Image Directory path */
343 img_fol->imgdirpath = (char*)malloc(strlen(optarg) + 1);
344 strcpy(img_fol->imgdirpath,optarg);
345 img_fol->set_imgdir=1;
348 /* ----------------------------------------------------- */
352 case 'W': /* activate JPWL correction */
356 token = strtok(optarg, ",");
357 while(token != NULL) {
359 /* search expected number of components */
364 compno = JPWL_EXPECTED_COMPONENTS; /* predefined no. of components */
366 if(sscanf(token, "c=%d", &compno) == 1) {
368 if ((compno < 1) || (compno > 256)) {
369 fprintf(stderr, "ERROR -> invalid number of components c = %d\n", compno);
372 parameters->jpwl_exp_comps = compno;
374 } else if (!strcmp(token, "c")) {
376 parameters->jpwl_exp_comps = compno; /* auto for default size */
379 fprintf(stderr, "ERROR -> invalid components specified = %s\n", token);
384 /* search maximum number of tiles */
389 tileno = JPWL_MAXIMUM_TILES; /* maximum no. of tiles */
391 if(sscanf(token, "t=%d", &tileno) == 1) {
393 if ((tileno < 1) || (tileno > JPWL_MAXIMUM_TILES)) {
394 fprintf(stderr, "ERROR -> invalid number of tiles t = %d\n", tileno);
397 parameters->jpwl_max_tiles = tileno;
399 } else if (!strcmp(token, "t")) {
401 parameters->jpwl_max_tiles = tileno; /* auto for default size */
404 fprintf(stderr, "ERROR -> invalid tiles specified = %s\n", token);
409 /* next token or bust */
410 token = strtok(NULL, ",");
412 parameters->jpwl_correct = true;
413 fprintf(stdout, "JPWL correction capability activated\n");
414 fprintf(stdout, "- expecting %d components\n", parameters->jpwl_exp_comps);
417 #endif /* USE_JPWL */
420 /* ----------------------------------------------------- */
423 fprintf(stderr,"WARNING -> this option is not valid \"-%c %s\"\n",c, optarg);
428 /* check for possible errors */
429 if(img_fol->set_imgdir==1){
430 if(!(parameters->infile[0]==0)){
431 fprintf(stderr, "Error: options -ImgDir and -i cannot be used together !!\n");
434 if(img_fol->set_out_format == 0){
435 fprintf(stderr, "Error: When -ImgDir is used, -OutFor <FORMAT> must be used !!\n");
436 fprintf(stderr, "Only one format allowed! Valid format PGM, PPM, PNM, PGX,BMP!!\n");
439 if(!((parameters->outfile[0] == 0))){
440 fprintf(stderr, "Error: options -ImgDir and -o cannot be used together !!\n");
444 if((parameters->infile[0] == 0) || (parameters->outfile[0] == 0)) {
445 fprintf(stderr, "Error: One of option; -i or -ImgDir must be specified\n");
446 fprintf(stderr, "Error: When using -i; -o must be used\n");
447 fprintf(stderr, "usage: image_to_j2k -i *.j2k/jp2 -o *.pgm/ppm/pnm/pgx/bmp(+ options)\n");
455 /* -------------------------------------------------------------------------- */
458 sample error callback expecting a FILE* client object
460 void error_callback(const char *msg, void *client_data) {
461 FILE *stream = (FILE*)client_data;
462 fprintf(stream, "[ERROR] %s", msg);
465 sample warning callback expecting a FILE* client object
467 void warning_callback(const char *msg, void *client_data) {
468 FILE *stream = (FILE*)client_data;
469 fprintf(stream, "[WARNING] %s", msg);
472 sample debug callback expecting no client object
474 void info_callback(const char *msg, void *client_data) {
476 fprintf(stdout, "[INFO] %s", msg);
479 /* -------------------------------------------------------------------------- */
481 int main(int argc, char **argv) {
482 opj_dparameters_t parameters; /* decompression parameters */
484 opj_event_mgr_t event_mgr; /* event manager */
485 opj_image_t *image = NULL;
487 unsigned char *src = NULL;
492 opj_dinfo_t* dinfo = NULL; /* handle to a decompressor */
493 opj_cio_t *cio = NULL;
495 /* configure the event callbacks (not required) */
496 memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
497 event_mgr.error_handler = error_callback;
498 event_mgr.warning_handler = warning_callback;
499 event_mgr.info_handler = info_callback;
501 /* set decoding parameters to default values */
502 opj_set_default_decoder_parameters(¶meters);
505 /* parse input and get user encoding parameters */
506 if(parse_cmdline_decoder(argc, argv, ¶meters,&img_fol) == 1) {
510 if(img_fol.set_imgdir==1){
511 num_images=get_num_images(img_fol.imgdirpath);
513 dirptr=(dircnt_t*)malloc(sizeof(dircnt_t));
515 dirptr->filename_buf = (char*)malloc(num_images*OPJ_PATH_LEN*sizeof(char)); // Stores at max 10 image file names
516 dirptr->filename = (char**) malloc(num_images*sizeof(char*));
518 if(!dirptr->filename_buf){
521 for(i=0;i<num_images;i++){
522 dirptr->filename[i] = dirptr->filename_buf + i*OPJ_PATH_LEN;
525 if(load_images(dirptr,img_fol.imgdirpath)==1){
529 fprintf(stdout,"Folder is empty\n");
536 /*Encoding image one by one*/
537 for(imageno = 0; imageno < num_images ; imageno++)
541 fprintf(stderr,"\n");
543 if(img_fol.set_imgdir==1){
544 if (get_next_file(imageno, dirptr,&img_fol, ¶meters)) {
545 fprintf(stderr,"skipping file...\n");
552 /* read the input file and put it in memory */
553 /* ---------------------------------------- */
554 fsrc = fopen(parameters.infile, "rb");
556 fprintf(stderr, "ERROR -> failed to open %s for reading\n", parameters.infile);
559 fseek(fsrc, 0, SEEK_END);
560 file_length = ftell(fsrc);
561 fseek(fsrc, 0, SEEK_SET);
562 src = (unsigned char *) malloc(file_length);
563 fread(src, 1, file_length, fsrc);
568 /* decode the code-stream */
569 /* ---------------------- */
571 switch(parameters.decod_format) {
574 /* JPEG-2000 codestream */
576 /* get a decoder handle */
577 dinfo = opj_create_decompress(CODEC_J2K);
579 /* catch events using our callbacks and give a local context */
580 opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
582 /* setup the decoder decoding parameters using user parameters */
583 opj_setup_decoder(dinfo, ¶meters);
585 /* open a byte stream */
586 cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
588 /* decode the stream and fill the image structure */
589 image = opj_decode(dinfo, cio);
591 fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
592 opj_destroy_decompress(dinfo);
597 /* close the byte stream */
604 /* JPEG 2000 compressed image data */
606 /* get a decoder handle */
607 dinfo = opj_create_decompress(CODEC_JP2);
609 /* catch events using our callbacks and give a local context */
610 opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
612 /* setup the decoder decoding parameters using the current image and user parameters */
613 opj_setup_decoder(dinfo, ¶meters);
615 /* open a byte stream */
616 cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
618 /* decode the stream and fill the image structure */
619 image = opj_decode(dinfo, cio);
621 fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
622 opj_destroy_decompress(dinfo);
627 /* close the byte stream */
635 /* JPEG 2000, JPIP */
637 /* get a decoder handle */
638 dinfo = opj_create_decompress(CODEC_JPT);
640 /* catch events using our callbacks and give a local context */
641 opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
643 /* setup the decoder decoding parameters using user parameters */
644 opj_setup_decoder(dinfo, ¶meters);
646 /* open a byte stream */
647 cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
649 /* decode the stream and fill the image structure */
650 image = opj_decode(dinfo, cio);
652 fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
653 opj_destroy_decompress(dinfo);
658 /* close the byte stream */
664 fprintf(stderr, "skipping file..\n");
668 /* free the memory containing the code-stream */
672 /* create output image */
673 /* ------------------- */
674 switch (parameters.cod_format) {
675 case PXM_DFMT: /* PNM PGM PPM */
676 if (imagetopnm(image, parameters.outfile)) {
677 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
680 fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile);
684 case PGX_DFMT: /* PGX */
685 if(imagetopgx(image, parameters.outfile)){
686 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
689 fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile);
693 case BMP_DFMT: /* BMP */
694 if(imagetobmp(image, parameters.outfile)){
695 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
698 fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile);
702 case TIF_DFMT: /* TIFF */
703 if(imagetotif(image, parameters.outfile)){
704 fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);
707 fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile);
712 /* free remaining structures */
714 opj_destroy_decompress(dinfo);
716 /* free image data structure */
717 opj_image_destroy(image);