/*
* Copyright (c) 2001-2003, David Janssens
* Copyright (c) 2002-2003, Yannick Verschueren
* Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
* Copyright (c) 2005, Hervé Drolon, FreeImage Team
* Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
* 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 <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "openjpeg.h"
#include "compat/getopt.h"
#include "convert.h"
#ifndef WIN32
#define stricmp strcasecmp
#define strnicmp strncasecmp
#endif
/* ----------------------------------------------------------------------- */
#define J2K_CFMT 0
#define JP2_CFMT 1
#define JPT_CFMT 2
#define MJ2_CFMT 3
#define PXM_DFMT 0
#define PGX_DFMT 1
#define BMP_DFMT 2
#define YUV_DFMT 3
/* ----------------------------------------------------------------------- */
void decode_help_display() {
fprintf(stdout,"HELP\n----\n\n");
fprintf(stdout,"- the -h option displays this help information on screen\n\n");
fprintf(stdout,"List of parameters for the JPEG 2000 encoder:\n");
fprintf(stdout,"\n");
fprintf(stdout," -i <compressed file>\n");
fprintf(stdout," REQUIRED\n");
fprintf(stdout," Currently accepts J2K-files, JP2-files and JPT-files. The file type\n");
fprintf(stdout," is identified based on its suffix.\n");
fprintf(stdout," -o <decompressed file>\n");
fprintf(stdout," REQUIRED\n");
fprintf(stdout," Currently accepts PGM-files, PPM-files, PNM-files, PGX-files and\n");
fprintf(stdout," BMP-files. Binary data is written to the file (not ascii). If a PGX\n");
fprintf(stdout," filename is given, there will be as many output files as there are\n");
fprintf(stdout," components: an indice starting from 0 will then be appended to the\n");
fprintf(stdout," output filename, just before the \"pgx\" extension. If a PGM filename\n");
fprintf(stdout," is given and there are more than one component, only the first component\n");
fprintf(stdout," will be written to the file.\n");
fprintf(stdout," -r <reduce factor>\n");
fprintf(stdout," Set the number of highest resolution levels to be discarded. The\n");
fprintf(stdout," image resolution is effectively divided by 2 to the power of the\n");
fprintf(stdout," number of discarded levels. The reduce factor is limited by the\n");
fprintf(stdout," smallest total number of decomposition levels among tiles.\n");
fprintf(stdout," -l <number of quality layers to decode>\n");
fprintf(stdout," Set the maximum number of quality layers to decode. If there are\n");
fprintf(stdout," less quality layers than the specified number, all the quality layers\n");
fprintf(stdout," are decoded.\n");
fprintf(stdout,"\n");
}
/* -------------------------------------------------------------------------- */
int get_file_format(char *filename) {
int i;
static const char *extension[] = {"pgx", "pnm", "pgm", "ppm", "bmp", "j2k", "jp2", "jpt" };
static const int format[] = { PGX_DFMT, PXM_DFMT, PXM_DFMT, PXM_DFMT, BMP_DFMT, J2K_CFMT, JP2_CFMT, JPT_CFMT };
char * ext = strrchr(filename, '.') + 1;
if(ext) {
for(i = 0; i < sizeof(format); i++) {
if(strnicmp(ext, extension[i], 3) == 0) {
return format[i];
}
}
}
return -1;
}
/* -------------------------------------------------------------------------- */
int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters) {
/* parse the command line */
while (1) {
int c = getopt(argc, argv, "i:o:r:q:f:t:n:c:b:x:p:s:d:h:P:S:E:M:R:T:C:I");
if (c == -1)
break;
switch (c) {
case 'i': /* input file */
{
char *infile = optarg;
parameters->decod_format = get_file_format(infile);
switch(parameters->decod_format) {
case J2K_CFMT:
case JP2_CFMT:
case JPT_CFMT:
break;
default:
fprintf(stderr,
"!! Unrecognized format for infile : %s [accept only *.j2k, *.jp2, *.jpc or *.jpt] !!\n\n",
infile);
return 1;
break;
}
strncpy(parameters->infile, infile, MAX_PATH);
}
break;
/* ----------------------------------------------------- */
case 'o': /* output file */
{
char *outfile = optarg;
parameters->cod_format = get_file_format(outfile);
switch(parameters->cod_format) {
case PGX_DFMT:
case PXM_DFMT:
case BMP_DFMT:
break;
default:
fprintf(stderr, "Unknown output format image %s [only *.pnm, *.pgm, *.ppm, *.pgx or *.bmp]!! \n", outfile);
return 1;
break;
}
strncpy(parameters->outfile, outfile, MAX_PATH);
}
break;
/* ----------------------------------------------------- */
case 'r': /* reduce option */
{
sscanf(optarg, "%d", ¶meters->cp_reduce);
}
break;
/* ----------------------------------------------------- */
case 'l': /* layering option */
{
sscanf(optarg, "%d", ¶meters->cp_layer);
}
break;
/* ----------------------------------------------------- */
case 'h': /* display an help description */
{
decode_help_display();
return 1;
}
break;
/* ----------------------------------------------------- */
default:
fprintf(stderr,"WARNING -> this option is not valid \"-%c %s\"\n",c, optarg);
break;
}
}
/* check for possible errors */
if((parameters->infile[0] == 0) || (parameters->outfile[0] == 0)) {
fprintf(stderr,"ERROR -> At least one required argument is missing\nCheck j2k_to_image -h for usage information\n");
return 1;
}
return 0;
}
/* -------------------------------------------------------------------------- */
/**
sample error callback expecting a FILE* client object
*/
void error_callback(const char *msg, void *client_data) {
FILE *stream = (FILE*)client_data;
fprintf(stream, "[ERROR] %s", msg);
}
/**
sample warning callback expecting a FILE* client object
*/
void warning_callback(const char *msg, void *client_data) {
FILE *stream = (FILE*)client_data;
fprintf(stream, "[WARNING] %s", msg);
}
/**
sample debug callback expecting no client object
*/
void info_callback(const char *msg, void *client_data) {
fprintf(stdout, "[INFO] %s", msg);
}
/* -------------------------------------------------------------------------- */
int main(int argc, char **argv) {
opj_dparameters_t parameters; /* decompression parameters */
opj_event_mgr_t event_mgr; /* event manager */
opj_image_t *image = NULL;
FILE *fsrc = NULL;
unsigned char *src = NULL;
int file_length;
opj_dinfo_t* dinfo = NULL; /* handle to a decompressor */
opj_cio_t *cio = NULL;
/* 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);
/* parse input and get user decoding parameters */
if(parse_cmdline_decoder(argc, argv, ¶meters) == 1) {
return 0;
}
/* 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);
fread(src, 1, file_length, fsrc);
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 */
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);
return 1;
}
/* close the byte stream */
opj_cio_close(cio);
}
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 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 */
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);
return 1;
}
/* close the byte stream */
opj_cio_close(cio);
}
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 */
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);
return 1;
}
/* close the byte stream */
opj_cio_close(cio);
}
break;
default:
fprintf(stderr, "ERROR -> j2k_to_image : Unknown input image format\n");
return 1;
break;
}
/* free the memory containing the code-stream */
free(src);
src = NULL;
/* create output image */
/* ------------------- */
switch (parameters.cod_format) {
case PXM_DFMT: /* PNM PGM PPM */
imagetopnm(image, parameters.outfile);
break;
case PGX_DFMT: /* PGX */
imagetopgx(image, parameters.outfile);
break;
case BMP_DFMT: /* BMP */
imagetobmp(image, parameters.outfile);
break;
}
/* free remaining structures */
if(dinfo) {
opj_destroy_decompress(dinfo);
}
/* free image data structure */
opj_image_destroy(image);
return 0;
}