openjpeg/mj2/mj2_to_frames.c

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/*
* Copyright (c) 2003-2004, Fran<EFBFBD>ois-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 "opj_includes.h"
#include "mj2.h"
#include "mj2_convert.h"
/* -------------------------------------------------------------------------- */
/**
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 a FILE* client object
*/
void info_callback(const char *msg, void *client_data) {
FILE *stream = (FILE*)client_data;
fprintf(stream, "[INFO] %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("Bad syntax: Usage: mj2_to_frames inputfile.mj2 outputfile.yuv\n");
printf("Example: MJ2_decoder foreman.mj2 foreman.yuv\n");
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 optionnal
*/
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 = dinfo->mj2_handle;
/* catch events using our callbacks and give a local context */
opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
/* 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(dinfo->mj2_handle, &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 = 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
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 YUV
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;
}