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openjpeg/src/bin/mj2/opj_mj2_decompress.c

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/*
* Copyright (c) 2003-2004, Francois-Olivier Devaux
* Copyright (c) 2002-2004, 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 <stdlib.h>
#include <string.h>
#include "opj_apps_config.h"
#include "openjpeg.h"
#include "j2k_lib.h"
#include "cio.h"
#include "j2k.h"
#include "jp2.h"
#include "mj2.h"
#include "mj2_convert.h"
#ifdef OPJ_HAVE_LIBLCMS2
#include <lcms2.h>
#endif
#ifdef OPJ_HAVE_LIBLCMS1
#include <lcms.h>
#endif
#include "color.h"
/* -------------------------------------------------------------------------- */
/**
sample error callback expecting a FILE* client object
*/
static 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
*/
static void warning_callback(const char *msg, void *client_data)
{
FILE *stream = (FILE*)client_data;
fprintf(stream, "[WARNING] %s", msg);
}
/* -------------------------------------------------------------------------- */
int main(int argc, char *argv[])
{
mj2_dparameters_t mj2_parameters; /* decompression parameters */
opj_dinfo_t* dinfo;
opj_event_mgr_t event_mgr; /* event manager */
opj_cio_t *cio = NULL;
unsigned int tnum, snum;
opj_mj2_t *movie;
mj2_tk_t *track;
mj2_sample_t *sample;
unsigned char* frame_codestream;
FILE *file, *outfile;
char outfilename[50];
opj_image_t *img = NULL;
unsigned int max_codstrm_size = 0;
double total_time = 0;
unsigned int numframes = 0;
if (argc != 3) {
printf("Usage: %s inputfile.mj2 outputfile.yuv\n", argv[0]);
return 1;
}
file = fopen(argv[1], "rb");
if (!file) {
fprintf(stderr, "failed to open %s for reading\n", argv[1]);
return 1;
}
/* Checking output file */
outfile = fopen(argv[2], "w");
if (!file) {
fprintf(stderr, "failed to open %s for writing\n", argv[2]);
return 1;
}
fclose(outfile);
/*
configure the event callbacks (not required)
setting of each callback is optional
*/
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 = NULL;
/* get a MJ2 decompressor handle */
dinfo = mj2_create_decompress();
movie = (opj_mj2_t*)dinfo->mj2_handle;
/* catch events using our callbacks and give a local context */
opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
memset(&mj2_parameters, 0, sizeof(mj2_dparameters_t));
/* set J2K decoding parameters to default values */
opj_set_default_decoder_parameters(&mj2_parameters.j2k_parameters);
/* setup the decoder decoding parameters using user parameters */
mj2_setup_decoder(movie, &mj2_parameters);
if (mj2_read_struct(file, movie)) { /* Creating the movie structure */
return 1;
}
/* Decode first video track */
for (tnum = 0;
tnum < (unsigned int)(movie->num_htk + movie->num_stk + movie->num_vtk);
tnum++) {
if (movie->tk[tnum].track_type == 0) {
break;
}
}
if (movie->tk[tnum].track_type != 0) {
printf("Error. Movie does not contain any video track\n");
return 1;
}
track = &movie->tk[tnum];
/* Output info on first video tracl */
fprintf(stdout,
"The first video track contains %d frames.\nWidth: %d, Height: %d \n\n",
track->num_samples, track->w, track->h);
max_codstrm_size = track->sample[0].sample_size - 8;
frame_codestream = (unsigned char*) malloc(max_codstrm_size * sizeof(
unsigned char));
numframes = track->num_samples;
for (snum = 0; snum < numframes; snum++) {
double init_time = opj_clock();
double elapsed_time;
sample = &track->sample[snum];
if (sample->sample_size - 8 > max_codstrm_size) {
max_codstrm_size = sample->sample_size - 8;
if ((frame_codestream = (unsigned char*)
realloc(frame_codestream, max_codstrm_size)) == NULL) {
printf("Error reallocation memory\n");
return 1;
};
}
fseek(file, sample->offset + 8, SEEK_SET);
fread(frame_codestream, sample->sample_size - 8, 1,
file); /* Assuming that jp and ftyp markers size do */
/* open a byte stream */
cio = opj_cio_open((opj_common_ptr)dinfo, frame_codestream,
sample->sample_size - 8);
img = opj_decode(dinfo, cio); /* Decode J2K to image */
#ifdef WANT_SYCC_TO_RGB
if (img->color_space == CLRSPC_SYCC) {
color_sycc_to_rgb(img);
}
#endif
if (img->icc_profile_buf) {
#if defined(OPJ_HAVE_LIBLCMS1) || defined(OPJ_HAVE_LIBLCMS2)
color_apply_icc_profile(img);
#endif
free(img->icc_profile_buf);
img->icc_profile_buf = NULL;
img->icc_profile_len = 0;
}
if (((img->numcomps == 3) && (img->comps[0].dx == img->comps[1].dx / 2)
&& (img->comps[0].dx == img->comps[2].dx / 2) && (img->comps[0].dx == 1))
|| (img->numcomps == 1)) {
if (!imagetoyuv(img, argv[2])) { /* Convert image to YUV */
return 1;
}
} else if ((img->numcomps == 3) &&
(img->comps[0].dx == 1) && (img->comps[1].dx == 1) &&
(img->comps[2].dx == 1)) { /* If YUV 4:4:4 input --> to bmp */
fprintf(stdout,
"The frames will be output in a bmp format (output_1.bmp, ...)\n");
sprintf(outfilename, "output_%d.bmp", snum);
if (imagetobmp(img, outfilename)) { /* Convert image to BMP */
return 1;
}
} else {
fprintf(stdout,
"Image component dimensions are unknown. Unable to output image\n");
fprintf(stdout,
"The frames will be output in a j2k file (output_1.j2k, ...)\n");
sprintf(outfilename, "output_%d.j2k", snum);
outfile = fopen(outfilename, "wb");
if (!outfile) {
fprintf(stderr, "failed to open %s for writing\n", outfilename);
return 1;
}
fwrite(frame_codestream, sample->sample_size - 8, 1, outfile);
fclose(outfile);
}
/* close the byte stream */
opj_cio_close(cio);
/* free image data structure */
opj_image_destroy(img);
elapsed_time = opj_clock() - init_time;
fprintf(stderr, "Frame number %d/%d decoded in %.2f mseconds\n", snum + 1,
numframes, elapsed_time * 1000);
total_time += elapsed_time;
}
free(frame_codestream);
fclose(file);
/* free remaining structures */
if (dinfo) {
mj2_destroy_decompress((opj_mj2_t*)dinfo->mj2_handle);
}
free(dinfo);
fprintf(stdout, "%d frame(s) correctly decompressed\n", snum);
fprintf(stdout, "Total decoding time: %.2f seconds (%.1f fps)\n", total_time,
(float)numframes / total_time);
return 0;
}
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