int main(int argc, char *argv[])
{
int ret;
opj_dparameters_t parameters; /* decompression parameters */
img_fol_t img_fol;
opj_image_t *image = NULL;
FILE *fsrc = NULL;
bool bResult;
int num_images;
int i,imageno;
dircnt_t *dirptr;
opj_codec_t* dinfo = NULL; /* handle to a decompressor */
opj_stream_t *cio = NULL;
opj_codestream_info_t cstr_info; /* Codestream information structure */
char indexfilename[OPJ_PATH_LEN]; /* index file name */
OPJ_INT32 l_tile_x0,l_tile_y0;
OPJ_UINT32 l_tile_width,l_tile_height,l_nb_tiles_x,l_nb_tiles_y;
/* configure the event callbacks (not required) */
/* set decoding parameters to default values */
opj_set_default_decoder_parameters(¶meters);
/* Initialize indexfilename and img_fol */
*indexfilename = 0;
memset(&img_fol,0,sizeof(img_fol_t));
/* parse input and get user encoding parameters */
if(parse_cmdline_decoder(argc, argv, ¶meters,&img_fol, indexfilename) == 1) {
return EXIT_FAILURE;
}
/* Initialize reading of directory */
if(img_fol.set_imgdir==1){
num_images=get_num_images(img_fol.imgdirpath);
dirptr=(dircnt_t*)malloc(sizeof(dircnt_t));
if(dirptr){
dirptr->filename_buf = (char*)malloc(num_images*OPJ_PATH_LEN*sizeof(char)); // Stores at max 10 image file names
dirptr->filename = (char**) malloc(num_images*sizeof(char*));
if(!dirptr->filename_buf){
return EXIT_FAILURE;
}
for(i=0;i<num_images;i++){
dirptr->filename[i] = dirptr->filename_buf + i*OPJ_PATH_LEN;
}
}
if(load_images(dirptr,img_fol.imgdirpath)==1){
return EXIT_FAILURE;
}
if (num_images==0){
fprintf(stdout,"Folder is empty\n");
return EXIT_FAILURE;
}
}else{
num_images=1;
}
/*Encoding image one by one*/
for(imageno = 0; imageno < num_images ; imageno++)
{
image = NULL;
fprintf(stderr,"\n");
if(img_fol.set_imgdir==1){
if (get_next_file(imageno, dirptr,&img_fol, ¶meters)) {
fprintf(stderr,"skipping file...\n");
continue;
}
}
/* read the input file and put it in memory */
/* ---------------------------------------- */
fsrc = fopen(parameters.infile, "rb");
if (!fsrc) {
fprintf(stderr, "ERROR -> failed to open %s for reading\n", parameters.infile);
return EXIT_FAILURE;
}
cio = opj_stream_create_default_file_stream(fsrc,true);
/* decode the code-stream */
/* ---------------------- */
switch (parameters.decod_format)
{
case J2K_CFMT:
{
/* JPEG-2000 codestream */
/* get a decoder handle */
dinfo = opj_create_decompress(CODEC_J2K);
break;
}
case JP2_CFMT:
{
/* JPEG 2000 compressed image data */
/* get a decoder handle */
dinfo = opj_create_decompress(CODEC_JP2);
break;
}
case JPT_CFMT:
{
/* JPEG 2000, JPIP */
/* get a decoder handle */
dinfo = opj_create_decompress(CODEC_JPT);
break;
}
default:
fprintf(stderr, "skipping file..\n");
opj_stream_destroy(cio);
continue;
}
/* catch events using our callbacks and give a local context */
/* setup the decoder decoding parameters using user parameters */
opj_setup_decoder(dinfo, ¶meters);
/* decode the stream and fill the image structure */
/* if (*indexfilename) // If need to extract codestream information
image = opj_decode_with_info(dinfo, cio, &cstr_info);
else
*/
bResult = opj_read_header(
dinfo,
&image,
&l_tile_x0,
&l_tile_y0,
&l_tile_width,
&l_tile_height,
&l_nb_tiles_x,
&l_nb_tiles_y,
cio);
//image = opj_decode(dinfo, cio);
//bResult = bResult && (image != 00);
//bResult = bResult && opj_end_decompress(dinfo,cio);
//if
// (!image)
//{
// fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
// opj_destroy_codec(dinfo);
// opj_stream_destroy(cio);
// fclose(fsrc);
// return EXIT_FAILURE;
//}
/* dump image */
if(!image)
{
fprintf(stderr, "ERROR -> j2k_to_image: failed to read header\n");
return EXIT_FAILURE;
}
j2k_dump_image(stdout, image);
/* dump cp */
//j2k_dump_cp(stdout, image, dinfo->m_codec);
/* close the byte stream */
opj_stream_destroy(cio);
fclose(fsrc);
/* Write the index to disk */
if (*indexfilename) {
char bSuccess;
bSuccess = write_index_file(&cstr_info, indexfilename);
if (bSuccess) {
fprintf(stderr, "Failed to output index file\n");
ret = EXIT_FAILURE;
}
}
/* free remaining structures */
if (dinfo) {
opj_destroy_codec(dinfo);
}
/* free codestream information structure */
if (*indexfilename)
opj_destroy_cstr_info(&cstr_info);
/* free image data structure */
opj_image_destroy(image);
}
return ret;
}
int main(int argc, char *argv[])
{
opj_dparameters_t parameters; /* decompression parameters */
img_fol_t img_fol;
opj_event_mgr_t event_mgr; /* event manager */
opj_image_t *image = NULL;
FILE *fsrc = NULL, *fout = NULL;
unsigned char *src = NULL;
int file_length;
int num_images;
int i,imageno;
dircnt_t *dirptr = NULL;
opj_dinfo_t* dinfo = NULL; /* handle to a decompressor */
opj_cio_t *cio = NULL;
opj_codestream_info_t cstr_info; /* Codestream information structure */
char indexfilename[OPJ_PATH_LEN]; /* index file name */
/* configure the event callbacks (not required) */
memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
event_mgr.error_handler = error_callback;
event_mgr.warning_handler = warning_callback;
event_mgr.info_handler = info_callback;
/* set decoding parameters to default values */
opj_set_default_decoder_parameters(¶meters);
/* Initialize indexfilename and img_fol */
*indexfilename = 0;
memset(&img_fol,0,sizeof(img_fol_t));
/* parse input and get user encoding parameters */
if(parse_cmdline_decoder(argc, argv, ¶meters,&img_fol, indexfilename) == 1) {
return 1;
}
/* Initialize reading of directory */
if(img_fol.set_imgdir==1){
num_images=get_num_images(img_fol.imgdirpath);
dirptr=(dircnt_t*)malloc(sizeof(dircnt_t));
if(dirptr){
dirptr->filename_buf = (char*)malloc(num_images*OPJ_PATH_LEN*sizeof(char)); /* Stores at max 10 image file names*/
dirptr->filename = (char**) malloc(num_images*sizeof(char*));
if(!dirptr->filename_buf){
return 1;
}
for(i=0;i<num_images;i++){
dirptr->filename[i] = dirptr->filename_buf + i*OPJ_PATH_LEN;
}
}
if(load_images(dirptr,img_fol.imgdirpath)==1){
return 1;
}
if (num_images==0){
fprintf(stdout,"Folder is empty\n");
return 1;
}
}else{
num_images=1;
}
/* */
if (parameters.outfile[0] != 0)
{
fout = fopen(parameters.outfile,"w");
if (!fout)
{
fprintf(stderr, "ERROR -> failed to open %s for reading\n", parameters.outfile);
return 1;
}
}
else
fout = stdout;
/*Encoding image one by one*/
for(imageno = 0; imageno < num_images ; imageno++)
{
image = NULL;
fprintf(stderr,"\n");
if(img_fol.set_imgdir==1){
if (get_next_file(imageno, dirptr,&img_fol, ¶meters)) {
fprintf(stderr,"skipping file...\n");
continue;
}
}
/* read the input file and put it in memory */
/* ---------------------------------------- */
fsrc = fopen(parameters.infile, "rb");
if (!fsrc) {
fprintf(stderr, "ERROR -> failed to open %s for reading\n", parameters.infile);
return 1;
}
fseek(fsrc, 0, SEEK_END);
file_length = ftell(fsrc);
fseek(fsrc, 0, SEEK_SET);
src = (unsigned char *) malloc(file_length);
if (fread(src, 1, file_length, fsrc) != (size_t)file_length)
{
free(src);
fclose(fsrc);
fclose(fout);
fprintf(stderr, "\nERROR: fread return a number of element different from the expected.\n");
return 1;
}
fclose(fsrc);
/* decode the code-stream */
/* ---------------------- */
switch(parameters.decod_format) {
case J2K_CFMT:
{
/* JPEG-2000 codestream */
/* get a decoder handle */
dinfo = opj_create_decompress(CODEC_J2K);
/* catch events using our callbacks and give a local context */
opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
/* setup the decoder decoding parameters using user parameters */
opj_setup_decoder(dinfo, ¶meters);
/* open a byte stream */
cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
/* decode the stream and fill the image structure */
if (*indexfilename) /* If need to extract codestream information*/
image = opj_decode_with_info(dinfo, cio, &cstr_info);
else
image = opj_decode(dinfo, cio);
if(!image) {
fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
opj_destroy_decompress(dinfo);
opj_cio_close(cio);
fclose(fout);
free(src);
return 1;
}
/* dump image */
j2k_dump_image(fout, image);
/* dump cp */
j2k_dump_cp(fout, image, ((opj_j2k_t*)dinfo->j2k_handle)->cp);
/* close the byte stream */
opj_cio_close(cio);
/* Write the index to disk */
if (*indexfilename) {
opj_bool bSuccess;
bSuccess = write_index_file(&cstr_info, indexfilename);
if (bSuccess) {
fprintf(stderr, "Failed to output index file\n");
}
}
}
break;
case JP2_CFMT:
{
/* JPEG 2000 compressed image data */
/* get a decoder handle */
dinfo = opj_create_decompress(CODEC_JP2);
/* catch events using our callbacks and give a local context */
opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
/* setup the decoder decoding parameters using the current image and user parameters */
opj_setup_decoder(dinfo, ¶meters);
/* open a byte stream */
cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
/* decode the stream and fill the image structure */
if (*indexfilename) /* If need to extract codestream information*/
image = opj_decode_with_info(dinfo, cio, &cstr_info);
else
image = opj_decode(dinfo, cio);
if(!image) {
fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
opj_destroy_decompress(dinfo);
opj_cio_close(cio);
fclose(fout);
free(src);
return 1;
}
/* dump image */
if(image->icc_profile_buf)
{
free(image->icc_profile_buf); image->icc_profile_buf = NULL;
}
j2k_dump_image(fout, image);
/* dump cp */
j2k_dump_cp(fout, image, ((opj_jp2_t*)dinfo->jp2_handle)->j2k->cp);
/* close the byte stream */
opj_cio_close(cio);
/* Write the index to disk */
if (*indexfilename) {
opj_bool bSuccess;
bSuccess = write_index_file(&cstr_info, indexfilename);
if (bSuccess) {
fprintf(stderr, "Failed to output index file\n");
}
}
}
break;
case JPT_CFMT:
{
/* JPEG 2000, JPIP */
/* get a decoder handle */
dinfo = opj_create_decompress(CODEC_JPT);
/* catch events using our callbacks and give a local context */
opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
/* setup the decoder decoding parameters using user parameters */
opj_setup_decoder(dinfo, ¶meters);
/* open a byte stream */
cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
/* decode the stream and fill the image structure */
if (*indexfilename) /* If need to extract codestream information*/
image = opj_decode_with_info(dinfo, cio, &cstr_info);
else
image = opj_decode(dinfo, cio);
if(!image) {
fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
opj_destroy_decompress(dinfo);
opj_cio_close(cio);
fclose(fout);
free(src);
return 1;
}
/* close the byte stream */
opj_cio_close(cio);
/* Write the index to disk */
if (*indexfilename) {
opj_bool bSuccess;
bSuccess = write_index_file(&cstr_info, indexfilename);
if (bSuccess) {
fprintf(stderr, "Failed to output index file\n");
}
}
}
break;
default:
fprintf(stderr, "skipping file..\n");
continue;
}
/* free the memory containing the code-stream */
free(src);
src = NULL;
/* free remaining structures */
if(dinfo) {
opj_destroy_decompress(dinfo);
}
/* free codestream information structure */
if (*indexfilename)
opj_destroy_cstr_info(&cstr_info);
/* free image data structure */
opj_image_destroy(image);
}
fclose(fout);
return EXIT_SUCCESS;
}