int main (int argc, char *argv[]) { opj_cparameters_t l_param; opj_codec_t * l_codec; opj_image_t * l_image; opj_image_cmptparm_t l_params [NUM_COMPS_MAX]; opj_stream_t * l_stream; OPJ_UINT32 l_nb_tiles; OPJ_UINT32 l_data_size; unsigned char len; #ifdef USING_MCT const OPJ_FLOAT32 l_mct [] = { 1 , 0 , 0 , 0 , 1 , 0 , 0 , 0 , 1 }; const OPJ_INT32 l_offsets [] = { 128 , 128 , 128 }; #endif opj_image_cmptparm_t * l_current_param_ptr; OPJ_UINT32 i; OPJ_BYTE *l_data; OPJ_UINT32 num_comps; int image_width; int image_height; int tile_width; int tile_height; int comp_prec; int irreversible; char output_file[64]; /* should be test_tile_encoder 3 2000 2000 1000 1000 8 tte1.j2k */ if( argc == 9 ) { num_comps = (OPJ_UINT32)atoi( argv[1] ); image_width = atoi( argv[2] ); image_height = atoi( argv[3] ); tile_width = atoi( argv[4] ); tile_height = atoi( argv[5] ); comp_prec = atoi( argv[6] ); irreversible = atoi( argv[7] ); strcpy(output_file, argv[8] ); } else { num_comps = 3; image_width = 2000; image_height = 2000; tile_width = 1000; tile_height = 1000; comp_prec = 8; irreversible = 1; strcpy(output_file, "test.j2k" ); } if( num_comps > NUM_COMPS_MAX ) { return 1; } l_nb_tiles = (OPJ_UINT32)(image_width/tile_width) * (OPJ_UINT32)(image_height/tile_height); l_data_size = (OPJ_UINT32)tile_width * (OPJ_UINT32)tile_height * (OPJ_UINT32)num_comps * (OPJ_UINT32)(comp_prec/8); l_data = (OPJ_BYTE*) malloc(l_data_size * sizeof(OPJ_BYTE)); fprintf(stdout, "Encoding random values -> keep in mind that this is very hard to compress\n"); for (i=0;i<l_data_size;++i) { l_data[i] = (OPJ_BYTE)i; /*rand();*/ } opj_set_default_encoder_parameters(&l_param); /** you may here add custom encoding parameters */ /* rate specifications */ /** number of quality layers in the stream */ l_param.tcp_numlayers = 1; l_param.cp_fixed_quality = 1; l_param.tcp_distoratio[0] = 20; /* is using others way of calculation */ /* l_param.cp_disto_alloc = 1 or l_param.cp_fixed_alloc = 1 */ /* l_param.tcp_rates[0] = ... */ /* tile definitions parameters */ /* position of the tile grid aligned with the image */ l_param.cp_tx0 = 0; l_param.cp_ty0 = 0; /* tile size, we are using tile based encoding */ l_param.tile_size_on = OPJ_TRUE; l_param.cp_tdx = tile_width; l_param.cp_tdy = tile_height; /* use irreversible encoding ?*/ l_param.irreversible = irreversible; /* do not bother with mct, the rsiz is set when calling opj_set_MCT*/ /*l_param.cp_rsiz = OPJ_STD_RSIZ;*/ /* no cinema */ /*l_param.cp_cinema = 0;*/ /* no not bother using SOP or EPH markers, do not use custom size precinct */ /* number of precincts to specify */ /* l_param.csty = 0;*/ /* l_param.res_spec = ... */ /* l_param.prch_init[i] = .. */ /* l_param.prcw_init[i] = .. */ /* do not use progression order changes */ /*l_param.numpocs = 0;*/ /* l_param.POC[i].... */ /* do not restrain the size for a component.*/ /* l_param.max_comp_size = 0; */ /** block encoding style for each component, do not use at the moment */ /** J2K_CCP_CBLKSTY_TERMALL, J2K_CCP_CBLKSTY_LAZY, J2K_CCP_CBLKSTY_VSC, J2K_CCP_CBLKSTY_SEGSYM, J2K_CCP_CBLKSTY_RESET */ /* l_param.mode = 0;*/ /** number of resolutions */ l_param.numresolution = 6; /** progression order to use*/ /** OPJ_LRCP, OPJ_RLCP, OPJ_RPCL, PCRL, CPRL */ l_param.prog_order = OPJ_LRCP; /** no "region" of interest, more precisally component */ /* l_param.roi_compno = -1; */ /* l_param.roi_shift = 0; */ /* we are not using multiple tile parts for a tile. */ /* l_param.tp_on = 0; */ /* l_param.tp_flag = 0; */ /* if we are using mct */ #ifdef USING_MCT opj_set_MCT(&l_param,l_mct,l_offsets,NUM_COMPS); #endif /* image definition */ l_current_param_ptr = l_params; for (i=0;i<num_comps;++i) { /* do not bother bpp useless */ /*l_current_param_ptr->bpp = COMP_PREC;*/ l_current_param_ptr->dx = 1; l_current_param_ptr->dy = 1; l_current_param_ptr->h = (OPJ_UINT32)image_height; l_current_param_ptr->w = (OPJ_UINT32)image_width; l_current_param_ptr->sgnd = 0; l_current_param_ptr->prec = (OPJ_UINT32)comp_prec; l_current_param_ptr->x0 = 0; l_current_param_ptr->y0 = 0; ++l_current_param_ptr; } /* should we do j2k or jp2 ?*/ len = (unsigned char)strlen( output_file ); if( strcmp( output_file + len - 4, ".jp2" ) == 0 ) { l_codec = opj_create_compress(OPJ_CODEC_JP2); } else { l_codec = opj_create_compress(OPJ_CODEC_J2K); } if (!l_codec) { return 1; } /* 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_image = opj_image_tile_create(num_comps,l_params,OPJ_CLRSPC_SRGB); if (! l_image) { opj_destroy_codec(l_codec); return 1; } l_image->x0 = 0; l_image->y0 = 0; l_image->x1 = (OPJ_UINT32)image_width; l_image->y1 = (OPJ_UINT32)image_height; l_image->color_space = OPJ_CLRSPC_SRGB; if (! opj_setup_encoder(l_codec,&l_param,l_image)) { fprintf(stderr, "ERROR -> test_tile_encoder: failed to setup the codec!\n"); opj_destroy_codec(l_codec); opj_image_destroy(l_image); return 1; } l_stream = opj_stream_create_default_file_stream_v3(output_file, OPJ_FALSE); if (! l_stream) { fprintf(stderr, "ERROR -> test_tile_encoder: failed to create the stream from the output file %s !\n",output_file ); opj_destroy_codec(l_codec); opj_image_destroy(l_image); return 1; } if (! opj_start_compress(l_codec,l_image,l_stream)) { fprintf(stderr, "ERROR -> test_tile_encoder: failed to start compress!\n"); opj_stream_destroy_v3(l_stream); opj_destroy_codec(l_codec); opj_image_destroy(l_image); return 1; } for (i=0;i<l_nb_tiles;++i) { if (! opj_write_tile(l_codec,i,l_data,l_data_size,l_stream)) { fprintf(stderr, "ERROR -> test_tile_encoder: failed to write the tile %d!\n",i); opj_stream_destroy_v3(l_stream); opj_destroy_codec(l_codec); opj_image_destroy(l_image); return 1; } } if (! opj_end_compress(l_codec,l_stream)) { fprintf(stderr, "ERROR -> test_tile_encoder: failed to end compress!\n"); opj_stream_destroy_v3(l_stream); opj_destroy_codec(l_codec); opj_image_destroy(l_image); return 1; } opj_stream_destroy_v3(l_stream); opj_destroy_codec(l_codec); opj_image_destroy(l_image); free(l_data); /* Print profiling*/ /*PROFPRINT();*/ return 0; }
int main(int argc, char *argv[]) { const char * v = opj_version(); const OPJ_COLOR_SPACE color_space = OPJ_CLRSPC_GRAY; unsigned int numcomps = 1; unsigned int i; unsigned int image_width = 256; unsigned int image_height = 256; opj_cparameters_t parameters; unsigned int subsampling_dx; unsigned int subsampling_dy; const char outputfile[] = "testempty2.j2k"; opj_image_cmptparm_t cmptparm; opj_image_t *image; opj_codec_t* l_codec = 00; OPJ_BOOL bSuccess; opj_stream_t *l_stream = 00; (void)argc; (void)argv; opj_set_default_encoder_parameters(¶meters); parameters.cod_format = J2K_CFMT; puts(v); subsampling_dx = (unsigned int)parameters.subsampling_dx; subsampling_dy = (unsigned int)parameters.subsampling_dy; cmptparm.prec = 8; cmptparm.bpp = 8; cmptparm.sgnd = 0; cmptparm.dx = subsampling_dx; cmptparm.dy = subsampling_dy; cmptparm.w = image_width; cmptparm.h = image_height; strncpy(parameters.outfile, outputfile, sizeof(parameters.outfile)-1); image = opj_image_create(numcomps, &cmptparm, color_space); assert( image ); for (i = 0; i < image_width * image_height; i++) { unsigned int compno; for(compno = 0; compno < numcomps; compno++) { image->comps[compno].data[i] = 0; } } /* 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_codec = opj_create_compress(OPJ_CODEC_J2K); 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); opj_setup_encoder(l_codec, ¶meters, image); l_stream = opj_stream_create_default_file_stream_v3(parameters.outfile,OPJ_FALSE); if( !l_stream ) { fprintf( stderr, "Something went wrong during creation of stream\n" ); opj_destroy_codec(l_codec); opj_image_destroy(image); opj_stream_destroy_v3(l_stream); return 1; } assert(l_stream); bSuccess = opj_start_compress(l_codec,image,l_stream); if( !bSuccess ) { opj_stream_destroy_v3(l_stream); opj_destroy_codec(l_codec); opj_image_destroy(image); return 0; } assert( bSuccess ); bSuccess = opj_encode(l_codec, l_stream); assert( bSuccess ); bSuccess = opj_end_compress(l_codec, l_stream); assert( bSuccess ); opj_stream_destroy_v3(l_stream); opj_destroy_codec(l_codec); opj_image_destroy(image); /* read back the generated file */ { opj_codec_t* d_codec = 00; opj_dparameters_t dparameters; d_codec = opj_create_decompress(OPJ_CODEC_J2K); opj_set_info_handler(d_codec, info_callback,00); opj_set_warning_handler(d_codec, warning_callback,00); opj_set_error_handler(d_codec, error_callback,00); bSuccess = opj_setup_decoder(d_codec, &dparameters); assert( bSuccess ); l_stream = opj_stream_create_default_file_stream_v3(outputfile,1); assert( l_stream ); bSuccess = opj_read_header(l_stream, d_codec, &image); assert( bSuccess ); bSuccess = opj_decode(l_codec, l_stream, image); assert( bSuccess ); bSuccess = opj_end_decompress(l_codec, l_stream); assert( bSuccess ); opj_stream_destroy_v3(l_stream); opj_destroy_codec(d_codec); opj_image_destroy(image); } puts( "end" ); return 0; }
/* -------------------------------------------------------------------------- */ int jp2_decompress_main(char *infile, char *buf, int bufsize) { int i; int *dataptr; opj_dparameters_t parameters; /* decompression parameters */ opj_image_t* image = NULL; opj_stream_t *l_stream = NULL; /* Stream */ opj_codec_t* l_codec = NULL; /* Handle to a decompressor */ opj_codestream_index_t* cstr_index = NULL; char indexfilename[OPJ_PATH_LEN]; /* index file name */ OPJ_INT32 num_images, imageno; img_fol_t img_fol; dircnt_t *dirptr = NULL; /* set decoding parameters to default values */ opj_set_default_decoder_parameters(¶meters); /* FIXME Initialize indexfilename and img_fol */ *indexfilename = 0; /* Initialize img_fol */ memset(&img_fol,0,sizeof(img_fol_t)); /* parse input and get user encoding parameters */ if (0 != parse_cmdline_decoder(¶meters,&img_fol, infile)) { return EXIT_FAILURE; } /* read the input file and put it in memory */ /* ---------------------------------------- */ l_stream = opj_stream_create_default_file_stream_v3(parameters.infile,1); if (!l_stream){ return EXIT_FAILURE; } /* decode the JPEG2000 stream */ /* ---------------------- */ switch(parameters.decod_format) { case J2K_CFMT: /* JPEG-2000 codestream */ { /* Get a decoder handle */ l_codec = opj_create_decompress(OPJ_CODEC_J2K); break; } case JP2_CFMT: /* JPEG 2000 compressed image data */ { /* Get a decoder handle */ l_codec = opj_create_decompress(OPJ_CODEC_JP2); break; } case JPT_CFMT: /* JPEG 2000, JPIP */ { /* Get a decoder handle */ l_codec = opj_create_decompress(OPJ_CODEC_JPT); break; } default: fprintf(stderr, "skipping file..\n"); opj_stream_destroy_v3(l_stream); return EXIT_FAILURE; } /* 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); /* Setup the decoder decoding parameters using user parameters */ if ( !opj_setup_decoder(l_codec, ¶meters) ){ fprintf(stderr, "ERROR -> j2k_dump: failed to setup the decoder\n"); opj_stream_destroy_v3(l_stream); 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(l_stream, l_codec, &image)){ fprintf(stderr, "ERROR -> opj_decompress: failed to read the header\n"); opj_stream_destroy_v3(l_stream); opj_destroy_codec(l_codec); opj_image_destroy(image); return EXIT_FAILURE; } if (!parameters.nb_tile_to_decode) { /* Optional if you want decode the entire image */ if (!opj_set_decode_area(l_codec, image, parameters.DA_x0, parameters.DA_y0, parameters.DA_x1, parameters.DA_y1)){ fprintf(stderr, "ERROR -> opj_decompress: failed to set the decoded area\n"); opj_stream_destroy_v3(l_stream); opj_destroy_codec(l_codec); opj_image_destroy(image); return EXIT_FAILURE; } /* Get the decoded image */ if (!(opj_decode(l_codec, l_stream, image) && opj_end_decompress(l_codec, l_stream))) { fprintf(stderr,"ERROR -> opj_decompress: failed to decode image!\n"); opj_destroy_codec(l_codec); opj_stream_destroy_v3(l_stream); opj_image_destroy(image); return EXIT_FAILURE; } } else { /* It is just here to illustrate how to use the resolution after set parameters */ /*if (!opj_set_decoded_resolution_factor(l_codec, 5)) { fprintf(stderr, "ERROR -> opj_decompress: failed to set the resolution factor tile!\n"); opj_destroy_codec(l_codec); opj_stream_destroy_v3(l_stream); opj_image_destroy(image); return EXIT_FAILURE; }*/ if (!opj_get_decoded_tile(l_codec, l_stream, image, parameters.tile_index)) { fprintf(stderr, "ERROR -> opj_decompress: failed to decode tile!\n"); opj_destroy_codec(l_codec); opj_stream_destroy_v3(l_stream); opj_image_destroy(image); return EXIT_FAILURE; } fprintf(stdout, "tile %d is decoded!\n\n", parameters.tile_index); } /* Close the byte stream */ opj_stream_destroy_v3(l_stream); if(image->color_space == OPJ_CLRSPC_SYCC){ color_sycc_to_rgb(image); /* FIXME */ } if( image->color_space != OPJ_CLRSPC_SYCC && image->numcomps == 3 && image->comps[0].dx == image->comps[0].dy && image->comps[1].dx != 1 ) image->color_space = OPJ_CLRSPC_SYCC; else if (image->numcomps <= 2) image->color_space = OPJ_CLRSPC_GRAY; if(image->icc_profile_buf) { #if defined(OPJ_HAVE_LIBLCMS1) || defined(OPJ_HAVE_LIBLCMS2) color_apply_icc_profile(image); /* FIXME */ #endif free(image->icc_profile_buf); image->icc_profile_buf = NULL; image->icc_profile_len = 0; } /* create output image */ /* ------------------- */ switch (parameters.cod_format) { case PXM_DFMT: /* PNM PGM PPM */ if (imagetopnm(image, parameters.outfile)) { fprintf(stdout,"Outfile %s not generated\n",parameters.outfile); } else { fprintf(stdout,"Generated Outfile %s\n",parameters.outfile); } break; case PGX_DFMT: /* PGX */ if(imagetopgx(image, parameters.outfile)){ fprintf(stdout,"Outfile %s not generated\n",parameters.outfile); } else { fprintf(stdout,"Generated Outfile %s\n",parameters.outfile); } break; case BMP_DFMT: /* BMP */ if(imagetobmp(image, parameters.outfile)){ fprintf(stdout,"Outfile %s not generated\n",parameters.outfile); } else { fprintf(stdout,"Generated Outfile %s\n",parameters.outfile); } break; #ifdef OPJ_HAVE_LIBTIFF case TIF_DFMT: /* TIFF */ if(imagetotif(image, parameters.outfile)){ fprintf(stdout,"Outfile %s not generated\n",parameters.outfile); } else { fprintf(stdout,"Generated Outfile %s\n",parameters.outfile); } break; #endif /* OPJ_HAVE_LIBTIFF */ case RAW_DFMT: /* RAW */ dataptr = &image->comps[0].data[0]; char mask = 0xFF; for (i = 0; i < bufsize; i++) { *buf++ = *dataptr++ & mask; } /* if(imagetoraw(image, parameters.outfile)){ fprintf(stdout,"Error generating raw file. Outfile %s not generated\n",parameters.outfile); } else { fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile); } */ break; case RAWL_DFMT: /* RAWL */ if(imagetorawl(image, parameters.outfile)){ fprintf(stdout,"Error generating rawl file. Outfile %s not generated\n",parameters.outfile); } else { fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile); } break; case TGA_DFMT: /* TGA */ if(imagetotga(image, parameters.outfile)){ fprintf(stdout,"Error generating tga file. Outfile %s not generated\n",parameters.outfile); } else { fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile); } break; #ifdef OPJ_HAVE_LIBPNG case PNG_DFMT: /* PNG */ if(imagetopng(image, parameters.outfile)){ fprintf(stdout,"Error generating png file. Outfile %s not generated\n",parameters.outfile); } else { fprintf(stdout,"Successfully generated Outfile %s\n",parameters.outfile); } break; #endif /* OPJ_HAVE_LIBPNG */ /* Can happen if output file is TIFF or PNG * and OPJ_HAVE_LIBTIF or OPJ_HAVE_LIBPNG is undefined */ default: fprintf(stderr,"Outfile %s not generated\n",parameters.outfile); } /* free remaining structures */ if (l_codec) { opj_destroy_codec(l_codec); } /* free image data structure */ opj_image_destroy(image); /* destroy the codestream index */ opj_destroy_cstr_index(&cstr_index); return EXIT_SUCCESS; }
/* -------------------------------------------------------------------------- */ int main(int argc, char *argv[]) { FILE *fout = NULL; opj_dparameters_t parameters; /* Decompression parameters */ opj_image_t* image = NULL; /* Image structure */ opj_codec_t* l_codec = NULL; /* Handle to a decompressor */ opj_stream_t *l_stream = NULL; /* Stream */ opj_codestream_info_v2_t* cstr_info = NULL; opj_codestream_index_t* cstr_index = NULL; OPJ_INT32 num_images, imageno; img_fol_t img_fol; dircnt_t *dirptr = NULL; #ifdef MSD OPJ_BOOL l_go_on = OPJ_TRUE; OPJ_UINT32 l_max_data_size = 1000; OPJ_BYTE * l_data = (OPJ_BYTE *) malloc(1000); #endif /* Set decoding parameters to default values */ opj_set_default_decoder_parameters(¶meters); /* Initialize img_fol */ memset(&img_fol,0,sizeof(img_fol_t)); /* Parse input and get user encoding parameters */ if(parse_cmdline_decoder(argc, argv, ¶meters,&img_fol) == 1) { return EXIT_FAILURE; } /* Initialize reading of directory */ if(img_fol.set_imgdir==1){ int it_image; 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(it_image=0;it_image<num_images;it_image++){ dirptr->filename[it_image] = dirptr->filename_buf + it_image*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; } /* Try to open for writing the output file if necessary */ if (parameters.outfile[0] != 0){ fout = fopen(parameters.outfile,"w"); if (!fout){ fprintf(stderr, "ERROR -> failed to open %s for writing\n", parameters.outfile); return EXIT_FAILURE; } } else fout = stdout; /* Read the header of each image one by one */ for(imageno = 0; imageno < num_images ; imageno++){ 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 */ /* ---------------------------------------- */ l_stream = opj_stream_create_default_file_stream_v3(parameters.infile,1); if (!l_stream){ fprintf(stderr, "ERROR -> failed to create the stream from the file %s\n",parameters.infile); return EXIT_FAILURE; } /* Read the JPEG2000 stream */ /* ------------------------ */ switch(parameters.decod_format) { case J2K_CFMT: /* JPEG-2000 codestream */ { /* Get a decoder handle */ l_codec = opj_create_decompress(OPJ_CODEC_J2K); break; } case JP2_CFMT: /* JPEG 2000 compressed image data */ { /* Get a decoder handle */ l_codec = opj_create_decompress(OPJ_CODEC_JP2); break; } case JPT_CFMT: /* JPEG 2000, JPIP */ { /* Get a decoder handle */ l_codec = opj_create_decompress(OPJ_CODEC_JPT); break; } default: fprintf(stderr, "skipping file..\n"); opj_stream_destroy_v3(l_stream); continue; } /* 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); /* Setup the decoder decoding parameters using user parameters */ if ( !opj_setup_decoder(l_codec, ¶meters) ){ fprintf(stderr, "ERROR -> opj_dump: failed to setup the decoder\n"); opj_stream_destroy_v3(l_stream); opj_destroy_codec(l_codec); fclose(fout); return EXIT_FAILURE; } /* Read the main header of the codestream and if necessary the JP2 boxes*/ if(! opj_read_header(l_stream, l_codec, &image)){ fprintf(stderr, "ERROR -> opj_dump: failed to read the header\n"); opj_stream_destroy_v3(l_stream); opj_destroy_codec(l_codec); opj_image_destroy(image); fclose(fout); return EXIT_FAILURE; } opj_dump_codec(l_codec, OPJ_IMG_INFO | OPJ_J2K_MH_INFO | OPJ_J2K_MH_IND, fout ); cstr_info = opj_get_cstr_info(l_codec); cstr_index = opj_get_cstr_index(l_codec); /* close the byte stream */ opj_stream_destroy_v3(l_stream); /* free remaining structures */ if (l_codec) { opj_destroy_codec(l_codec); } /* destroy the image header */ opj_image_destroy(image); /* destroy the codestream index */ opj_destroy_cstr_index(&cstr_index); /* destroy the codestream info */ opj_destroy_cstr_info(&cstr_info); } /* Close the output file */ fclose(fout); return EXIT_SUCCESS; }
int main (int argc, char *argv[]) { opj_dparameters_t l_param; opj_codec_t * l_codec; opj_image_t * l_image; opj_stream_t * l_stream; OPJ_UINT32 l_data_size; OPJ_UINT32 l_max_data_size = 1000; OPJ_UINT32 l_tile_index; OPJ_BYTE * l_data = (OPJ_BYTE *) malloc(1000); OPJ_BOOL l_go_on = OPJ_TRUE; OPJ_UINT32 l_nb_comps=0 ; OPJ_INT32 l_current_tile_x0,l_current_tile_y0,l_current_tile_x1,l_current_tile_y1; int da_x0=0; int da_y0=0; int da_x1=1000; int da_y1=1000; char input_file[64]; /* should be test_tile_decoder 0 0 1000 1000 tte1.j2k */ if( argc == 6 ) { da_x0=atoi(argv[1]); da_y0=atoi(argv[2]); da_x1=atoi(argv[3]); da_y1=atoi(argv[4]); strcpy(input_file,argv[5]); } else { da_x0=0; da_y0=0; da_x1=1000; da_y1=1000; strcpy(input_file,"test.j2k"); } if (! l_data) { return EXIT_FAILURE; } l_stream = opj_stream_create_default_file_stream_v3(input_file,OPJ_TRUE); if (!l_stream){ free(l_data); fprintf(stderr, "ERROR -> failed to create the stream from the file\n"); return EXIT_FAILURE; } /* Set the default decoding parameters */ opj_set_default_decoder_parameters(&l_param); /* */ l_param.decod_format = infile_format(input_file); /** you may here add custom decoding parameters */ /* do not use layer decoding limitations */ l_param.cp_layer = 0; /* do not use resolutions reductions */ l_param.cp_reduce = 0; /* to decode only a part of the image data */ /*opj_restrict_decoding(&l_param,0,0,1000,1000);*/ switch(l_param.decod_format) { case J2K_CFMT: /* JPEG-2000 codestream */ { /* Get a decoder handle */ l_codec = opj_create_decompress(OPJ_CODEC_J2K); break; } case JP2_CFMT: /* JPEG 2000 compressed image data */ { /* Get a decoder handle */ l_codec = opj_create_decompress(OPJ_CODEC_JP2); break; } default: { fprintf(stderr, "ERROR -> Not a valid JPEG2000 file!\n"); free(l_data); opj_stream_destroy_v3(l_stream); return EXIT_FAILURE; } } /* 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); /* Setup the decoder decoding parameters using user parameters */ if (! opj_setup_decoder(l_codec, &l_param)) { fprintf(stderr, "ERROR -> j2k_dump: failed to setup the decoder\n"); free(l_data); opj_stream_destroy_v3(l_stream); 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(l_stream, l_codec, &l_image)) { fprintf(stderr, "ERROR -> j2k_to_image: failed to read the header\n"); free(l_data); opj_stream_destroy_v3(l_stream); opj_destroy_codec(l_codec); return EXIT_FAILURE; } if (!opj_set_decode_area(l_codec, l_image, da_x0, da_y0,da_x1, da_y1)){ fprintf(stderr, "ERROR -> j2k_to_image: failed to set the decoded area\n"); free(l_data); opj_stream_destroy_v3(l_stream); opj_destroy_codec(l_codec); opj_image_destroy(l_image); return EXIT_FAILURE; } while (l_go_on) { if (! opj_read_tile_header( l_codec, l_stream, &l_tile_index, &l_data_size, &l_current_tile_x0, &l_current_tile_y0, &l_current_tile_x1, &l_current_tile_y1, &l_nb_comps, &l_go_on)) { free(l_data); opj_stream_destroy_v3(l_stream); opj_destroy_codec(l_codec); opj_image_destroy(l_image); return EXIT_FAILURE; } if (l_go_on) { if (l_data_size > l_max_data_size) { OPJ_BYTE *l_new_data = (OPJ_BYTE *) realloc(l_data, l_data_size); if (! l_new_data) { free(l_new_data); opj_stream_destroy_v3(l_stream); opj_destroy_codec(l_codec); opj_image_destroy(l_image); return EXIT_FAILURE; } l_data = l_new_data; l_max_data_size = l_data_size; } if (! opj_decode_tile_data(l_codec,l_tile_index,l_data,l_data_size,l_stream)) { free(l_data); opj_stream_destroy_v3(l_stream); opj_destroy_codec(l_codec); opj_image_destroy(l_image); return EXIT_FAILURE; } /** now should inspect image to know the reduction factor and then how to behave with data */ } } if (! opj_end_decompress(l_codec,l_stream)) { free(l_data); opj_stream_destroy_v3(l_stream); opj_destroy_codec(l_codec); opj_image_destroy(l_image); return EXIT_FAILURE; } /* Free memory */ free(l_data); opj_stream_destroy_v3(l_stream); opj_destroy_codec(l_codec); opj_image_destroy(l_image); /* Print profiling*/ /*PROFPRINT();*/ return EXIT_SUCCESS; }