FILE *fsrc = NULL;
opj_dparameters_t parameters; /* decompression parameters */
- opj_event_mgr_t event_mgr; /* event manager */
opj_image_t* image = NULL;
- opj_stream_t *cio = NULL; /* Stream */
- opj_codec_t* dinfo = NULL; /* Handle to a decompressor */
+ opj_stream_t *l_stream = NULL; /* Stream */
+ opj_codec_t* l_codec = NULL; /* Handle to a decompressor */
opj_codestream_info_v2_t* cstr_info = NULL;
/* Index of corner tiles */
return EXIT_FAILURE;
}
- /* Set event mgr */
- event_mgr.error_handler = error_callback;
- event_mgr.warning_handler = warning_callback;
- event_mgr.info_handler = info_callback;
- opj_initialize_default_event_handler(&event_mgr, 1);
-
/* Set decoding parameters to default values */
opj_set_default_decoder_parameters(¶meters);
case J2K_CFMT: /* JPEG-2000 codestream */
{
/* Get a decoder handle */
- dinfo = opj_create_decompress_v2(CODEC_J2K);
+ l_codec = opj_create_decompress(CODEC_J2K);
break;
}
case JP2_CFMT: /* JPEG 2000 compressed image data */
{
/* Get a decoder handle */
- dinfo = opj_create_decompress_v2(CODEC_JP2);
+ l_codec = opj_create_decompress(CODEC_JP2);
break;
}
case JPT_CFMT: /* JPEG 2000, JPIP */
{
/* Get a decoder handle */
- dinfo = opj_create_decompress_v2(CODEC_JPT);
+ l_codec = opj_create_decompress(CODEC_JPT);
break;
}
default:
return EXIT_FAILURE;
}
- cio = opj_stream_create_default_file_stream(fsrc,1);
- if (!cio){
+ /* catch events using our callbacks and give a local context */
+ opj_set_info_handler(l_codec, info_callback,00);
+ opj_set_warning_handler(l_codec, warning_callback,00);
+ opj_set_error_handler(l_codec, error_callback,00);
+
+ l_stream = opj_stream_create_default_file_stream(fsrc,1);
+ if (!l_stream){
fclose(fsrc);
fprintf(stderr, "ERROR -> failed to create the stream from the file\n");
return EXIT_FAILURE;
}
/* Setup the decoder decoding parameters using user parameters */
- if ( !opj_setup_decoder_v2(dinfo, ¶meters, &event_mgr) ){
+ if ( !opj_setup_decoder(l_codec, ¶meters) ){
fprintf(stderr, "ERROR -> j2k_dump: failed to setup the decoder\n");
- opj_stream_destroy(cio);
+ opj_stream_destroy(l_stream);
fclose(fsrc);
- opj_destroy_codec(dinfo);
+ opj_destroy_codec(l_codec);
return EXIT_FAILURE;
}
/* Read the main header of the codestream and if necessary the JP2 boxes*/
- if(! opj_read_header(cio, dinfo, &image)){
+ if(! opj_read_header(l_stream, l_codec, &image)){
fprintf(stderr, "ERROR -> j2k_to_image: failed to read the header\n");
- opj_stream_destroy(cio);
+ opj_stream_destroy(l_stream);
fclose(fsrc);
- opj_destroy_codec(dinfo);
+ opj_destroy_codec(l_codec);
opj_image_destroy(image);
return EXIT_FAILURE;
}
/* Extract some info from the code stream */
- cstr_info = opj_get_cstr_info(dinfo);
+ cstr_info = opj_get_cstr_info(l_codec);
fprintf(stdout, "The file contains %dx%d tiles\n", cstr_info->tw, cstr_info->th);
#define TEST_TILE( tile_index ) \
fprintf(stdout, "Decoding tile %d ...\n", tile_index); \
- if(!opj_get_decoded_tile(dinfo, cio, image, tile_index )){ \
+ if(!opj_get_decoded_tile(l_codec, l_stream, image, tile_index )){ \
fprintf(stderr, "ERROR -> j2k_to_image: failed to decode tile %d\n", tile_index); \
- opj_stream_destroy(cio); \
- opj_destroy_cstr_info_v2(&cstr_info); \
- opj_destroy_codec(dinfo); \
+ opj_stream_destroy(l_stream); \
+ opj_destroy_cstr_info(&cstr_info); \
+ opj_destroy_codec(l_codec); \
opj_image_destroy(image); \
fclose(fsrc); \
return EXIT_FAILURE; \
TEST_TILE(tile_lr)
/* Close the byte stream */
- opj_stream_destroy(cio);
+ opj_stream_destroy(l_stream);
/* Destroy code stream info */
- opj_destroy_cstr_info_v2(&cstr_info);
+ opj_destroy_cstr_info(&cstr_info);
/* Free remaining structures */
- opj_destroy_codec(dinfo);
+ opj_destroy_codec(l_codec);
/* Free image data structure */
opj_image_destroy(image);