diff options
Diffstat (limited to 'openjpeg/tests/j2k_random_tile_access.c')
| -rw-r--r-- | openjpeg/tests/j2k_random_tile_access.c | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/openjpeg/tests/j2k_random_tile_access.c b/openjpeg/tests/j2k_random_tile_access.c new file mode 100644 index 000000000..b53c6005c --- /dev/null +++ b/openjpeg/tests/j2k_random_tile_access.c @@ -0,0 +1,292 @@ +/* + * Copyright (c) 2011-2012, Centre National d'Etudes Spatiales (CNES), France + * Copyright (c) 2012, CS Systemes d'Information, France + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ +#include "opj_config.h" + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <math.h> + +#ifdef _WIN32 +#include <windows.h> +#else +#include <strings.h> +#define _stricmp strcasecmp +#define _strnicmp strncasecmp +#endif /* _WIN32 */ + +#include "openjpeg.h" +#include "format_defs.h" + +/* -------------------------------------------------------------------------- */ +static int get_file_format(const char *filename) { + unsigned int i; + static const char *extension[] = {"pgx", "pnm", "pgm", "ppm", "bmp","tif", "raw", "tga", "png", "j2k", "jp2", "jpt", "j2c", "jpc" }; + 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 }; + char * ext = strrchr(filename, '.'); + if (ext == NULL) + return -1; + ext++; + if(ext) { + for(i = 0; i < sizeof(format)/sizeof(*format); i++) { + if(_strnicmp(ext, extension[i], 3) == 0) { + return format[i]; + } + } + } + + return -1; +} + +/* -------------------------------------------------------------------------- */ + +/** +sample error callback expecting a FILE* client object +*/ +static void error_callback(const char *msg, void *client_data) { + (void)client_data; + fprintf(stdout, "[ERROR] %s", msg); +} +/** +sample warning callback expecting a FILE* client object +*/ +static void warning_callback(const char *msg, void *client_data) { + (void)client_data; + fprintf(stdout, "[WARNING] %s", msg); +} +/** +sample debug callback expecting no client object +*/ +static void info_callback(const char *msg, void *client_data) { + (void)client_data; + fprintf(stdout, "[INFO] %s", msg); +} + + +/* -------------------------------------------------------------------------- */ +#define JP2_RFC3745_MAGIC "\x00\x00\x00\x0c\x6a\x50\x20\x20\x0d\x0a\x87\x0a" +#define JP2_MAGIC "\x0d\x0a\x87\x0a" +/* position 45: "\xff\x52" */ +#define J2K_CODESTREAM_MAGIC "\xff\x4f\xff\x51" + +static int infile_format(const char *fname) +{ + FILE *reader; + const char *s, *magic_s; + int ext_format, magic_format; + unsigned char buf[12]; + OPJ_SIZE_T l_nb_read; + + reader = fopen(fname, "rb"); + + if (reader == NULL) + return -1; + + memset(buf, 0, 12); + l_nb_read = fread(buf, 1, 12, reader); + fclose(reader); + if (l_nb_read != 12) + return -1; + + + + ext_format = get_file_format(fname); + + if (ext_format == JPT_CFMT) + return JPT_CFMT; + + if (memcmp(buf, JP2_RFC3745_MAGIC, 12) == 0 || memcmp(buf, JP2_MAGIC, 4) == 0) { + magic_format = JP2_CFMT; + magic_s = ".jp2"; + } + else if (memcmp(buf, J2K_CODESTREAM_MAGIC, 4) == 0) { + magic_format = J2K_CFMT; + magic_s = ".j2k or .jpc or .j2c"; + } + else + return -1; + + if (magic_format == ext_format) + return ext_format; + + s = fname + strlen(fname) - 4; + + fputs("\n===========================================\n", stderr); + fprintf(stderr, "The extension of this file is incorrect.\n" + "FOUND %s. SHOULD BE %s\n", s, magic_s); + fputs("===========================================\n", stderr); + + return magic_format; +} + +/* -------------------------------------------------------------------------- */ +/** + * J2K_RANDOM_TILE_ACCESS MAIN + */ +/* -------------------------------------------------------------------------- */ +int main(int argc, char **argv) +{ + OPJ_UINT32 index; + 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_info_v2_t* cstr_info = NULL; + + /* Index of corner tiles */ + OPJ_UINT32 tile_ul = 0; + OPJ_UINT32 tile_ur = 0; + OPJ_UINT32 tile_lr = 0; + OPJ_UINT32 tile_ll = 0; + + if (argc != 2) { + fprintf(stderr, "Usage: %s <input_file>\n", argv[0]); + return EXIT_FAILURE; + } + + /* Set decoding parameters to default values */ + opj_set_default_decoder_parameters(¶meters); + + strncpy(parameters.infile, argv[1], OPJ_PATH_LEN - 1); + + + /* decode the JPEG2000 stream */ + /* -------------------------- */ + parameters.decod_format = infile_format(parameters.infile); + + 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, + "Unrecognized format for input %s [accept only *.j2k, *.jp2, *.jpc or *.jpt]\n\n", + parameters.infile); + 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); + + l_stream = opj_stream_create_default_file_stream(parameters.infile,1); + if (!l_stream){ + fprintf(stderr, "ERROR -> failed to create the stream from the file %s\n", parameters.infile); + return EXIT_FAILURE; + } + + /* 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(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 -> j2k_to_image: failed to read the header\n"); + opj_stream_destroy(l_stream); + 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(l_codec); + + fprintf(stdout, "The file contains %dx%d tiles\n", cstr_info->tw, cstr_info->th); + + tile_ul = 0; + tile_ur = cstr_info->tw - 1; + tile_lr = cstr_info->tw * cstr_info->th - 1; + tile_ll = tile_lr - cstr_info->tw; + +#define TEST_TILE( tile_index ) \ + fprintf(stdout, "Decoding tile %d ...\n", 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(l_stream); \ + opj_destroy_cstr_info(&cstr_info); \ + opj_destroy_codec(l_codec); \ + opj_image_destroy(image); \ + return EXIT_FAILURE; \ + } \ + for(index = 0; index < image->numcomps; ++index) { \ + if( image->comps[index].data == NULL ){ \ + fprintf(stderr, "ERROR -> j2k_to_image: failed to decode tile %d\n", tile_index); \ + opj_stream_destroy(l_stream); \ + opj_destroy_cstr_info(&cstr_info); \ + opj_destroy_codec(l_codec); \ + opj_image_destroy(image); \ + return EXIT_FAILURE; \ + } \ + } \ + fprintf(stdout, "Tile %d is decoded successfully\n", tile_index); + + TEST_TILE(tile_ul) + TEST_TILE(tile_lr) + TEST_TILE(tile_ul) + TEST_TILE(tile_ll) + TEST_TILE(tile_ur) + TEST_TILE(tile_lr) + + /* Close the byte stream */ + opj_stream_destroy(l_stream); + + /* Destroy code stream info */ + opj_destroy_cstr_info(&cstr_info); + + /* Free remaining structures */ + opj_destroy_codec(l_codec); + + /* Free image data structure */ + opj_image_destroy(image); + + return EXIT_SUCCESS; +} +/*end main*/ + + + + |