int main(int argc, char *argv[]) {
opj_dinfo_t* dinfo;
opj_event_mgr_t event_mgr; /* event manager */
FILE *file, *xmlout;
/* char xmloutname[50]; */
opj_mj2_t *movie;
char* infile = 0;
char* outfile = 0;
char* s, S1, S2, S3;
int len;
unsigned int sampleframe = 1; /* First frame */
char* stringDTD = NULL;
BOOL notes = TRUE;
BOOL sampletables = FALSE;
BOOL raw = TRUE;
BOOL derived = TRUE;
mj2_dparameters_t parameters;
while (TRUE) {
/* ':' after letter means it takes an argument */
int c = getopt(argc, argv, "i:o:f:v:hntrd");
/* FUTURE: Reserve 'p' for pruning file (which will probably make -t redundant) */
if (c == -1)
break;
switch (c) {
case 'i': /* IN file */
infile = optarg;
s = optarg;
while (*s) { s++; } /* Run to filename end */
s--;
S3 = *s;
s--;
S2 = *s;
s--;
S1 = *s;
if ((S1 == 'm' && S2 == 'j' && S3 == '2')
|| (S1 == 'M' && S2 == 'J' && S3 == '2')) {
break;
}
fprintf(stderr, "Input file name must have .mj2 extension, not .%c%c%c.\n", S1, S2, S3);
return 1;
/* ----------------------------------------------------- */
case 'o': /* OUT file */
outfile = optarg;
while (*outfile) { outfile++; } /* Run to filename end */
outfile--;
S3 = *outfile;
outfile--;
S2 = *outfile;
outfile--;
S1 = *outfile;
outfile = optarg;
if ((S1 == 'x' && S2 == 'm' && S3 == 'l')
|| (S1 == 'X' && S2 == 'M' && S3 == 'L'))
break;
fprintf(stderr,
"Output file name must have .xml extension, not .%c%c%c\n", S1, S2, S3);
return 1;
/* ----------------------------------------------------- */
case 'f': /* Choose sample frame. 0 = none */
sscanf(optarg, "%u", &sampleframe);
break;
/* ----------------------------------------------------- */
case 'v': /* Verification by DTD. */
stringDTD = optarg;
/* We will not insist upon last 3 chars being "dtd", since non-file
access protocol may be used. */
if(strchr(stringDTD,'"') != NULL) {
fprintf(stderr, "-D's string must not contain any embedded double-quote characters.\n");
return 1;
}
if (strncmp(stringDTD,"PUBLIC ",7) == 0 || strncmp(stringDTD,"SYSTEM ",7) == 0)
break;
fprintf(stderr, "-D's string must start with \"PUBLIC \" or \"SYSTEM \"\n");
return 1;
/* ----------------------------------------------------- */
case 'n': /* Suppress comments */
notes = FALSE;
break;
/* ----------------------------------------------------- */
case 't': /* Show sample size and chunk offset tables */
sampletables = TRUE;
break;
/* ----------------------------------------------------- */
case 'h': /* Display an help description */
help_display();
return 0;
/* ----------------------------------------------------- */
case 'r': /* Suppress raw data */
raw = FALSE;
break;
/* ----------------------------------------------------- */
case 'd': /* Suppress derived data */
derived = FALSE;
break;
/* ----------------------------------------------------- */
default:
return 1;
} /* switch */
} /* while */
if(!raw && !derived)
raw = TRUE; /* At least one of 'raw' and 'derived' must be true */
/* Error messages */
/* -------------- */
if (!infile || !outfile) {
fprintf(stderr,"Correct usage: mj2_to_metadata -i mj2-file -o xml-file (plus options)\n");
return 1;
}
/* was:
if (argc != 3) {
printf("Bad syntax: Usage: MJ2_to_metadata inputfile.mj2 outputfile.xml\n");
printf("Example: MJ2_to_metadata foreman.mj2 foreman.xml\n");
return 1;
}
*/
len = strlen(infile);
if(infile[0] == ' ')
{
infile++; /* There may be a leading blank if user put space after -i */
}
file = fopen(infile, "rb"); /* was: argv[1] */
if (!file) {
fprintf(stderr, "Failed to open %s for reading.\n", infile); /* was: argv[1] */
return 1;
}
len = strlen(outfile);
if(outfile[0] == ' ')
{
outfile++; /* There may be a leading blank if user put space after -o */
}
// Checking output file
xmlout = fopen(outfile, "w"); /* was: argv[2] */
if (!xmlout) {
fprintf(stderr, "Failed to open %s for writing.\n", outfile); /* was: argv[2] */
return 1;
}
// Leave it open
/*
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 = info_callback;
/* get a MJ2 decompressor handle */
dinfo = mj2_create_decompress();
/* 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 */
movie = (opj_mj2_t*) dinfo->mj2_handle;
mj2_setup_decoder(dinfo->mj2_handle, ¶meters);
if (mj2_read_struct(file, movie)) // Creating the movie structure
{
fclose(xmlout);
return 1;
}
xml_write_init(notes, sampletables, raw, derived);
xml_write_struct(file, xmlout, movie, sampleframe, stringDTD, &event_mgr);
fclose(xmlout);
fprintf(stderr,"Metadata correctly extracted to XML file \n");;
/* free remaining structures */
if(dinfo) {
mj2_destroy_decompress((opj_mj2_t*)dinfo->mj2_handle);
}
return 0;
}
int main(int argc, char *argv[]) {
opj_dinfo_t* dinfo;
opj_event_mgr_t event_mgr; /* event manager */
int tnum;
unsigned int snum;
opj_mj2_t *movie;
mj2_tk_t *track;
mj2_sample_t *sample;
unsigned char* frame_codestream;
FILE *file, *outfile;
char outfilename[50];
mj2_dparameters_t parameters;
if (argc != 3) {
printf("Bad syntax: Usage: MJ2_extractor mj2filename output_location\n");
printf("Example: MJ2_extractor foreman.mj2 output/foreman\n");
return 1;
}
file = fopen(argv[1], "rb");
if (!file) {
fprintf(stderr, "failed to open %s for reading\n", argv[1]);
return 1;
}
/*
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 = info_callback;
/* get a MJ2 decompressor handle */
dinfo = mj2_create_decompress();
/* 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 */
movie = (opj_mj2_t*) dinfo->mj2_handle;
mj2_setup_decoder(dinfo->mj2_handle, ¶meters);
if (mj2_read_struct(file, movie)) // Creating the movie structure
return 1;
// Decode first video track
tnum = 0;
while (movie->tk[tnum].track_type != 0)
tnum ++;
track = &movie->tk[tnum];
fprintf(stdout,"Extracting %d frames from file...\n",track->num_samples);
for (snum=0; snum < track->num_samples; snum++)
{
sample = &track->sample[snum];
frame_codestream = (unsigned char*) malloc (sample->sample_size-8); // Skipping JP2C marker
fseek(file,sample->offset+8,SEEK_SET);
fread(frame_codestream,sample->sample_size-8,1, file); // Assuming that jp and ftyp markers size do
sprintf(outfilename,"%s_%05d.j2k",argv[2],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);
free(frame_codestream);
}
fclose(file);
fprintf(stdout, "%d frames correctly extracted\n", snum);
/* free remaining structures */
if(dinfo) {
mj2_destroy_decompress((opj_mj2_t*)dinfo->mj2_handle);
}
return 0;
}
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 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 = (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;
}