2 * Copyright (c) 20010, Mathieu Malaterre, GDCM
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
18 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24 * POSSIBILITY OF SUCH DAMAGE.
32 #include "../opj_config.h"
34 #include "../libopenjpeg/j2k.h"
35 #include "../libopenjpeg/jp2.h"
36 #include "compat/getopt.h"
39 #include "windirent.h"
47 #define _stricmp strcasecmp
48 #define _strnicmp strncasecmp
51 /* ----------------------------------------------------------------------- */
65 /* ----------------------------------------------------------------------- */
67 typedef struct dircnt{
68 /** Buffer for holding images read from Directory*/
70 /** Pointer to the buffer*/
75 typedef struct img_folder{
76 /** The directory path of the folder containing input images*/
79 const char *out_format;
82 /** Enable Cod Format for output*/
87 void decode_help_display() {
88 fprintf(stdout,"HELP for j2k_dump\n----\n\n");
89 fprintf(stdout,"- the -h option displays this help information on screen\n\n");
92 fprintf(stdout,"List of parameters for the JPEG 2000 "
100 fprintf(stdout," -ImgDir \n");
101 fprintf(stdout," Image file Directory path \n");
102 fprintf(stdout," -i <compressed file>\n");
103 fprintf(stdout," REQUIRED only if an Input image directory not specified\n");
104 fprintf(stdout," Currently accepts J2K-files, JP2-files and JPT-files. The file type\n");
105 fprintf(stdout," is identified based on its suffix.\n");
106 fprintf(stdout,"\n");
109 /* -------------------------------------------------------------------------- */
111 int get_num_images(char *imgdirpath){
113 struct dirent* content;
116 /*Reading the input images from given input directory*/
118 dir= opendir(imgdirpath);
120 fprintf(stderr,"Could not open Folder %s\n",imgdirpath);
124 while((content=readdir(dir))!=NULL){
125 if(strcmp(".",content->d_name)==0 || strcmp("..",content->d_name)==0 )
132 int load_images(dircnt_t *dirptr, char *imgdirpath){
134 struct dirent* content;
137 /*Reading the input images from given input directory*/
139 dir= opendir(imgdirpath);
141 fprintf(stderr,"Could not open Folder %s\n",imgdirpath);
144 fprintf(stderr,"Folder opened successfully\n");
147 while((content=readdir(dir))!=NULL){
148 if(strcmp(".",content->d_name)==0 || strcmp("..",content->d_name)==0 )
151 strcpy(dirptr->filename[i],content->d_name);
157 int get_file_format(char *filename) {
159 static const char *extension[] = {"pgx", "pnm", "pgm", "ppm", "bmp","tif", "raw", "tga", "png", "j2k", "jp2", "jpt", "j2c", "jpc" };
160 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 };
161 char * ext = strrchr(filename, '.');
166 for(i = 0; i < sizeof(format)/sizeof(*format); i++) {
167 if(_strnicmp(ext, extension[i], 3) == 0) {
176 char get_next_file(int imageno,dircnt_t *dirptr,img_fol_t *img_fol, opj_dparameters_t *parameters){
177 char image_filename[OPJ_PATH_LEN], infilename[OPJ_PATH_LEN],outfilename[OPJ_PATH_LEN],temp_ofname[OPJ_PATH_LEN];
178 char *temp_p, temp1[OPJ_PATH_LEN]="";
180 strcpy(image_filename,dirptr->filename[imageno]);
181 fprintf(stderr,"File Number %d \"%s\"\n",imageno,image_filename);
182 parameters->decod_format = get_file_format(image_filename);
183 if (parameters->decod_format == -1)
185 sprintf(infilename,"%s/%s",img_fol->imgdirpath,image_filename);
186 strncpy(parameters->infile, infilename, sizeof(infilename));
189 strcpy(temp_ofname,strtok(image_filename,"."));
190 while((temp_p = strtok(NULL,".")) != NULL){
191 strcat(temp_ofname,temp1);
192 sprintf(temp1,".%s",temp_p);
194 if(img_fol->set_out_format==1){
195 sprintf(outfilename,"%s/%s.%s",img_fol->imgdirpath,temp_ofname,img_fol->out_format);
196 strncpy(parameters->outfile, outfilename, sizeof(outfilename));
201 /* -------------------------------------------------------------------------- */
202 int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,img_fol_t *img_fol, char *indexfilename) {
203 /* parse the command line */
205 option_t long_option[]={
206 {"ImgDir",REQ_ARG, NULL ,'y'},
209 const char optlist[] = "i:h";
210 totlen=sizeof(long_option);
211 img_fol->set_out_format = 0;
213 int c = getopt_long(argc, argv,optlist,long_option,totlen);
217 case 'i': /* input file */
219 char *infile = optarg;
220 parameters->decod_format = get_file_format(infile);
221 switch(parameters->decod_format) {
228 "!! Unrecognized format for infile : %s [accept only *.j2k, *.jp2, *.jpc or *.jpt] !!\n\n",
232 strncpy(parameters->infile, infile, sizeof(parameters->infile)-1);
236 /* ----------------------------------------------------- */
238 case 'h': /* display an help description */
239 decode_help_display();
242 /* ------------------------------------------------------ */
244 case 'y': /* Image Directory path */
246 img_fol->imgdirpath = (char*)malloc(strlen(optarg) + 1);
247 strcpy(img_fol->imgdirpath,optarg);
248 img_fol->set_imgdir=1;
252 /* ----------------------------------------------------- */
255 fprintf(stderr,"WARNING -> this option is not valid \"-%c %s\"\n",c, optarg);
260 /* check for possible errors */
261 if(img_fol->set_imgdir==1){
262 if(!(parameters->infile[0]==0)){
263 fprintf(stderr, "Error: options -ImgDir and -i cannot be used together !!\n");
266 if(img_fol->set_out_format == 0){
267 fprintf(stderr, "Error: When -ImgDir is used, -OutFor <FORMAT> must be used !!\n");
268 fprintf(stderr, "Only one format allowed! Valid format PGM, PPM, PNM, PGX, BMP, TIF, RAW and TGA!!\n");
271 if(!((parameters->outfile[0] == 0))){
272 fprintf(stderr, "Error: options -ImgDir and -o cannot be used together !!\n");
276 if((parameters->infile[0] == 0) ) {
277 fprintf(stderr, "Example: %s -i image.j2k\n",argv[0]);
278 fprintf(stderr, " Try: %s -h\n",argv[0]);
286 /* -------------------------------------------------------------------------- */
289 sample error callback expecting a FILE* client object
291 void error_callback(const char *msg, void *client_data) {
292 FILE *stream = (FILE*)client_data;
293 fprintf(stream, "[ERROR] %s", msg);
296 sample warning callback expecting a FILE* client object
298 void warning_callback(const char *msg, void *client_data) {
299 FILE *stream = (FILE*)client_data;
300 fprintf(stream, "[WARNING] %s", msg);
303 sample debug callback expecting no client object
305 void info_callback(const char *msg, void *client_data) {
307 fprintf(stdout, "[INFO] %s", msg);
310 /* -------------------------------------------------------------------------- */
312 int main(int argc, char *argv[])
314 opj_dparameters_t parameters; /* decompression parameters */
316 opj_event_mgr_t event_mgr; /* event manager */
317 opj_image_t *image = NULL;
319 unsigned char *src = NULL;
323 dircnt_t *dirptr = NULL;
324 opj_dinfo_t* dinfo = NULL; /* handle to a decompressor */
325 opj_cio_t *cio = NULL;
326 opj_codestream_info_t cstr_info; /* Codestream information structure */
327 char indexfilename[OPJ_PATH_LEN]; /* index file name */
329 /* configure the event callbacks (not required) */
330 memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
331 event_mgr.error_handler = error_callback;
332 event_mgr.warning_handler = warning_callback;
333 event_mgr.info_handler = info_callback;
335 /* set decoding parameters to default values */
336 opj_set_default_decoder_parameters(¶meters);
338 /* Initialize indexfilename and img_fol */
340 memset(&img_fol,0,sizeof(img_fol_t));
342 /* parse input and get user encoding parameters */
343 if(parse_cmdline_decoder(argc, argv, ¶meters,&img_fol, indexfilename) == 1) {
347 /* Initialize reading of directory */
348 if(img_fol.set_imgdir==1){
349 num_images=get_num_images(img_fol.imgdirpath);
351 dirptr=(dircnt_t*)malloc(sizeof(dircnt_t));
353 dirptr->filename_buf = (char*)malloc(num_images*OPJ_PATH_LEN*sizeof(char)); // Stores at max 10 image file names
354 dirptr->filename = (char**) malloc(num_images*sizeof(char*));
356 if(!dirptr->filename_buf){
359 for(i=0;i<num_images;i++){
360 dirptr->filename[i] = dirptr->filename_buf + i*OPJ_PATH_LEN;
363 if(load_images(dirptr,img_fol.imgdirpath)==1){
367 fprintf(stdout,"Folder is empty\n");
374 /*Encoding image one by one*/
375 for(imageno = 0; imageno < num_images ; imageno++)
378 fprintf(stderr,"\n");
380 if(img_fol.set_imgdir==1){
381 if (get_next_file(imageno, dirptr,&img_fol, ¶meters)) {
382 fprintf(stderr,"skipping file...\n");
387 /* read the input file and put it in memory */
388 /* ---------------------------------------- */
389 fsrc = fopen(parameters.infile, "rb");
391 fprintf(stderr, "ERROR -> failed to open %s for reading\n", parameters.infile);
394 fseek(fsrc, 0, SEEK_END);
395 file_length = ftell(fsrc);
396 fseek(fsrc, 0, SEEK_SET);
397 src = (unsigned char *) malloc(file_length);
398 fread(src, 1, file_length, fsrc);
401 /* decode the code-stream */
402 /* ---------------------- */
404 switch(parameters.decod_format) {
407 /* JPEG-2000 codestream */
409 /* get a decoder handle */
410 dinfo = opj_create_decompress(CODEC_J2K);
412 /* catch events using our callbacks and give a local context */
413 opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
415 /* setup the decoder decoding parameters using user parameters */
416 opj_setup_decoder(dinfo, ¶meters);
418 /* open a byte stream */
419 cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
421 /* decode the stream and fill the image structure */
422 if (*indexfilename) // If need to extract codestream information
423 image = opj_decode_with_info(dinfo, cio, &cstr_info);
425 image = opj_decode(dinfo, cio);
427 fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
428 opj_destroy_decompress(dinfo);
433 j2k_dump_image(stdout, image);
436 j2k_dump_cp(stdout, image, ((opj_j2k_t*)dinfo->j2k_handle)->cp);
438 /* close the byte stream */
441 /* Write the index to disk */
442 if (*indexfilename) {
444 bSuccess = write_index_file(&cstr_info, indexfilename);
446 fprintf(stderr, "Failed to output index file\n");
454 /* JPEG 2000 compressed image data */
456 /* get a decoder handle */
457 dinfo = opj_create_decompress(CODEC_JP2);
459 /* catch events using our callbacks and give a local context */
460 opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
462 /* setup the decoder decoding parameters using the current image and user parameters */
463 opj_setup_decoder(dinfo, ¶meters);
465 /* open a byte stream */
466 cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
468 /* decode the stream and fill the image structure */
469 if (*indexfilename) // If need to extract codestream information
470 image = opj_decode_with_info(dinfo, cio, &cstr_info);
472 image = opj_decode(dinfo, cio);
474 fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
475 opj_destroy_decompress(dinfo);
480 j2k_dump_image(stdout, image);
483 j2k_dump_cp(stdout, image, ((opj_jp2_t*)dinfo->jp2_handle)->j2k->cp);
485 /* close the byte stream */
488 /* Write the index to disk */
489 if (*indexfilename) {
491 bSuccess = write_index_file(&cstr_info, indexfilename);
493 fprintf(stderr, "Failed to output index file\n");
501 /* JPEG 2000, JPIP */
503 /* get a decoder handle */
504 dinfo = opj_create_decompress(CODEC_JPT);
506 /* catch events using our callbacks and give a local context */
507 opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
509 /* setup the decoder decoding parameters using user parameters */
510 opj_setup_decoder(dinfo, ¶meters);
512 /* open a byte stream */
513 cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
515 /* decode the stream and fill the image structure */
516 if (*indexfilename) // If need to extract codestream information
517 image = opj_decode_with_info(dinfo, cio, &cstr_info);
519 image = opj_decode(dinfo, cio);
521 fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
522 opj_destroy_decompress(dinfo);
527 /* close the byte stream */
530 /* Write the index to disk */
531 if (*indexfilename) {
533 bSuccess = write_index_file(&cstr_info, indexfilename);
535 fprintf(stderr, "Failed to output index file\n");
542 fprintf(stderr, "skipping file..\n");
546 /* free the memory containing the code-stream */
550 /* free remaining structures */
552 opj_destroy_decompress(dinfo);
554 /* free codestream information structure */
556 opj_destroy_cstr_info(&cstr_info);
557 /* free image data structure */
558 opj_image_destroy(image);