openjpeg/tests/j2k_random_tile_access.c

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/*
* Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2007, Professor Benoit Macq
* Copyright (c) 2001-2003, David Janssens
* Copyright (c) 2002-2003, Yannick Verschueren
* Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
* Copyright (c) 2005, Herve Drolon, FreeImage Team
* Copyright (c) 2006-2007, Parvatha Elangovan
* 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)
{
FILE *fsrc = NULL;
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(&parameters);
strncpy(parameters.infile, argv[1], OPJ_PATH_LEN - 1);
/* read the input file */
/* ------------------- */
fsrc = fopen(parameters.infile, "rb");
if (!fsrc) {
fprintf(stderr, "ERROR -> failed to open %s for reading\n", parameters.infile);
return EXIT_FAILURE;
}
/* 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(CODEC_J2K);
break;
}
case JP2_CFMT: /* JPEG 2000 compressed image data */
{
/* Get a decoder handle */
l_codec = opj_create_decompress(CODEC_JP2);
break;
}
case JPT_CFMT: /* JPEG 2000, JPIP */
{
/* Get a decoder handle */
l_codec = opj_create_decompress(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(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(l_codec, &parameters) ){
fprintf(stderr, "ERROR -> j2k_dump: failed to setup the decoder\n");
opj_stream_destroy(l_stream);
fclose(fsrc);
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);
fclose(fsrc);
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); \
fclose(fsrc); \
return EXIT_FAILURE; \
} \
for(index = 0; index < image->numcomps; ++index) { \
if( image->comps[index].data == NULL ) \
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);
/* Close the input file */
fclose(fsrc);
return EXIT_SUCCESS;
}
/*end main*/