2006-12-08 18:04:31 +01:00
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/* mj2_to_metadata.c */
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/* Dump MJ2, JP2 metadata (partial so far) to xml file */
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/* Contributed to Open JPEG by Glenn Pearson, contract software developer, U.S. National Library of Medicine.
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The base code in this file was developed by the author as part of a video archiving
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2017-05-09 15:44:46 +02:00
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project for the U.S. National Library of Medicine, Bethesda, MD.
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2006-12-08 18:04:31 +01:00
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It is the policy of NLM (and U.S. government) to not assert copyright.
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A non-exclusive copy of this code has been contributed to the Open JPEG project.
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Except for copyright, inclusion of the code within Open JPEG for distribution and use
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can be bound by the Open JPEG open-source license and disclaimer, expressed elsewhere.
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*/
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2011-04-14 00:38:50 +02:00
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#include "opj_includes.h"
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2006-12-08 18:04:31 +01:00
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#include "mj2.h"
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#include "mj2_to_metadata.h"
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#include <string.h>
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2011-09-01 13:24:08 +02:00
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#include "opj_getopt.h"
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2007-05-10 16:21:09 +02:00
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/* -------------------------------------------------------------------------- */
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/**
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sample error callback expecting a FILE* client object
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*/
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2017-05-09 15:44:46 +02:00
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void error_callback(const char *msg, void *client_data)
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{
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FILE *stream = (FILE*)client_data;
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fprintf(stream, "[ERROR] %s", msg);
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2007-05-10 16:21:09 +02:00
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}
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/**
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sample warning callback expecting a FILE* client object
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*/
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2017-05-09 15:44:46 +02:00
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void warning_callback(const char *msg, void *client_data)
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{
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FILE *stream = (FILE*)client_data;
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fprintf(stream, "[WARNING] %s", msg);
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2007-05-10 16:21:09 +02:00
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}
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/**
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sample debug callback expecting a FILE* client object
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*/
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2017-05-09 15:44:46 +02:00
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void info_callback(const char *msg, void *client_data)
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{
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FILE *stream = (FILE*)client_data;
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fprintf(stream, "[INFO] %s", msg);
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2007-05-10 16:21:09 +02:00
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}
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/* -------------------------------------------------------------------------- */
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2006-12-08 18:04:31 +01:00
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/* ------------- */
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void help_display()
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{
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2017-05-09 15:44:46 +02:00
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/* "1234567890123456789012345678901234567890123456789012345678901234567890123456789" */
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fprintf(stdout, " Help for the 'mj2_to_metadata' Program\n");
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fprintf(stdout, " ======================================\n");
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fprintf(stdout, "The -h option displays this information on screen.\n\n");
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fprintf(stdout,
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"mj2_to_metadata generates an XML file from a Motion JPEG 2000 file.\n");
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fprintf(stdout,
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"The generated XML shows the structural, but not (yet) curatorial,\n");
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fprintf(stdout,
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"metadata from the movie header and from the JPEG 2000 image and tile\n");
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fprintf(stdout,
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"headers of a sample frame. Excluded: low-level packed-bits image data.\n\n");
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fprintf(stdout, "By Default\n");
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fprintf(stdout, "----------\n");
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fprintf(stdout,
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"The metadata includes the jp2 image and tile headers of the first frame.\n");
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fprintf(stdout, "\n");
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fprintf(stdout,
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"Metadata values are shown in 'raw' form (e.g., hexadecimal) as stored in the\n");
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fprintf(stdout,
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"file, and, if apt, in a 'derived' form that is more quickly grasped.\n");
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fprintf(stdout, "\n");
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fprintf(stdout,
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"Notes explaining the XML are embedded as terse comments. These include\n");
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fprintf(stdout, " meaning of non-obvious tag abbreviations;\n");
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fprintf(stdout, " range and precision of valid values;\n");
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fprintf(stdout, " interpretations of values, such as enumerations; and\n");
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fprintf(stdout, " current implementation limitations.\n");
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fprintf(stdout, "\n");
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fprintf(stdout,
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"The sample-size and chunk-offset tables, each with 1 row per frame, are not reported.\n");
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fprintf(stdout, "\n");
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fprintf(stdout,
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"The file is self-contained and no verification (e.g., against a DTD) is requested.\n");
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fprintf(stdout, "\n");
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fprintf(stdout, "Required Parameters (except with -h)\n");
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fprintf(stdout, "------------------------------------\n");
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fprintf(stdout,
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"[Caution: file strings that contain spaces should be wrapped with quotes.]\n");
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fprintf(stdout,
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"-i input.mj2 : where 'input' is any source file name or path.\n");
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fprintf(stdout,
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" MJ2 files created with 'frames_to_mj2' are supported so far.\n");
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fprintf(stdout,
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" These are silent, single-track, 'MJ2 Simple Profile' videos.\n");
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fprintf(stdout,
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"-o output.xml : where 'output' is any destination file name or path.\n");
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fprintf(stdout, "\n");
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fprintf(stdout, "Optional Parameters\n");
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fprintf(stdout, "-------------------\n");
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fprintf(stdout, "-h : Display this help information.\n");
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fprintf(stdout, "-n : Suppress all mj2_to_metadata notes.\n");
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fprintf(stdout,
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"-t : Include sample-size and chunk-offset tables.\n");
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fprintf(stdout,
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"-f n : where n > 0. Include jp2 header info for frame n [default=1].\n");
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fprintf(stdout, "-f 0 : No jp2 header info.\n");
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fprintf(stdout,
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"-r : Suppress all 'raw' data for which a 'derived' form exists.\n");
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fprintf(stdout, "-d : Suppress all 'derived' data.\n");
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fprintf(stdout,
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" (If both -r and -d given, -r will be ignored.)\n");
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fprintf(stdout,
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"-v string : Verify against the DTD file located by the string.\n");
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fprintf(stdout,
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" Prepend quoted 'string' with either SYSTEM or PUBLIC keyword.\n");
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fprintf(stdout,
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" Thus, for the distributed DTD placed in the same directory as\n");
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fprintf(stdout,
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" the output file: -v \"SYSTEM mj2_to_metadata.dtd\"\n");
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fprintf(stdout,
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" \"PUBLIC\" is used with an access protocol (e.g., http:) + URL.\n");
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/* More to come */
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fprintf(stdout, "\n");
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/* "1234567890123456789012345678901234567890123456789012345678901234567890123456789" */
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2006-12-08 18:04:31 +01:00
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}
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/* ------------- */
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2017-05-09 15:44:46 +02:00
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int main(int argc, char *argv[])
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{
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opj_dinfo_t* dinfo;
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opj_event_mgr_t event_mgr; /* event manager */
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FILE *file, *xmlout;
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/* char xmloutname[50]; */
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opj_mj2_t *movie;
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char* infile = 0;
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char* outfile = 0;
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char* s, S1, S2, S3;
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int len;
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unsigned int sampleframe = 1; /* First frame */
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char* stringDTD = NULL;
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BOOL notes = TRUE;
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BOOL sampletables = FALSE;
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BOOL raw = TRUE;
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BOOL derived = TRUE;
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mj2_dparameters_t parameters;
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while (TRUE) {
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/* ':' after letter means it takes an argument */
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int c = getopt(argc, argv, "i:o:f:v:hntrd");
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/* FUTURE: Reserve 'p' for pruning file (which will probably make -t redundant) */
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if (c == -1) {
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break;
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}
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switch (c) {
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case 'i': /* IN file */
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infile = optarg;
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s = optarg;
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while (*s) {
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s++; /* Run to filename end */
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}
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s--;
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S3 = *s;
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s--;
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S2 = *s;
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s--;
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S1 = *s;
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if ((S1 == 'm' && S2 == 'j' && S3 == '2')
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|| (S1 == 'M' && S2 == 'J' && S3 == '2')) {
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break;
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}
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fprintf(stderr, "Input file name must have .mj2 extension, not .%c%c%c.\n", S1,
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S2, S3);
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return 1;
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/* ----------------------------------------------------- */
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case 'o': /* OUT file */
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outfile = optarg;
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while (*outfile) {
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outfile++; /* Run to filename end */
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}
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outfile--;
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S3 = *outfile;
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outfile--;
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S2 = *outfile;
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outfile--;
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S1 = *outfile;
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outfile = optarg;
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if ((S1 == 'x' && S2 == 'm' && S3 == 'l')
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|| (S1 == 'X' && S2 == 'M' && S3 == 'L')) {
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break;
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}
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fprintf(stderr,
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"Output file name must have .xml extension, not .%c%c%c\n", S1, S2, S3);
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return 1;
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/* ----------------------------------------------------- */
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case 'f': /* Choose sample frame. 0 = none */
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sscanf(optarg, "%u", &sampleframe);
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break;
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/* ----------------------------------------------------- */
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case 'v': /* Verification by DTD. */
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stringDTD = optarg;
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/* We will not insist upon last 3 chars being "dtd", since non-file
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access protocol may be used. */
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if (strchr(stringDTD, '"') != NULL) {
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fprintf(stderr,
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"-D's string must not contain any embedded double-quote characters.\n");
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return 1;
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}
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if (strncmp(stringDTD, "PUBLIC ", 7) == 0 ||
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strncmp(stringDTD, "SYSTEM ", 7) == 0) {
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break;
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}
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fprintf(stderr, "-D's string must start with \"PUBLIC \" or \"SYSTEM \"\n");
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return 1;
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/* ----------------------------------------------------- */
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case 'n': /* Suppress comments */
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notes = FALSE;
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break;
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/* ----------------------------------------------------- */
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case 't': /* Show sample size and chunk offset tables */
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sampletables = TRUE;
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break;
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/* ----------------------------------------------------- */
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case 'h': /* Display an help description */
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help_display();
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return 0;
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/* ----------------------------------------------------- */
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case 'r': /* Suppress raw data */
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raw = FALSE;
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break;
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/* ----------------------------------------------------- */
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case 'd': /* Suppress derived data */
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derived = FALSE;
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break;
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/* ----------------------------------------------------- */
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default:
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return 1;
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} /* switch */
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} /* while */
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if (!raw && !derived) {
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raw = TRUE; /* At least one of 'raw' and 'derived' must be true */
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}
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2006-12-08 18:04:31 +01:00
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/* Error messages */
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2017-05-09 15:44:46 +02:00
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/* -------------- */
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if (!infile || !outfile) {
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fprintf(stderr,
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"Correct usage: mj2_to_metadata -i mj2-file -o xml-file (plus options)\n");
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return 1;
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}
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/* was:
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if (argc != 3) {
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printf("Bad syntax: Usage: MJ2_to_metadata inputfile.mj2 outputfile.xml\n");
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printf("Example: MJ2_to_metadata foreman.mj2 foreman.xml\n");
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return 1;
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}
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*/
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len = strlen(infile);
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if (infile[0] == ' ') {
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infile++; /* There may be a leading blank if user put space after -i */
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}
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file = fopen(infile, "rb"); /* was: argv[1] */
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if (!file) {
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fprintf(stderr, "Failed to open %s for reading.\n", infile); /* was: argv[1] */
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return 1;
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}
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len = strlen(outfile);
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if (outfile[0] == ' ') {
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outfile++; /* There may be a leading blank if user put space after -o */
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}
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// Checking output file
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xmlout = fopen(outfile, "w"); /* was: argv[2] */
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if (!xmlout) {
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fprintf(stderr, "Failed to open %s for writing.\n", outfile); /* was: argv[2] */
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return 1;
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}
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// Leave it open
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/*
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configure the event callbacks (not required)
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2017-07-26 21:06:38 +02:00
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setting of each callback is optional
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2017-05-09 15:44:46 +02:00
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*/
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memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
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event_mgr.error_handler = error_callback;
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event_mgr.warning_handler = warning_callback;
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event_mgr.info_handler = info_callback;
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/* get a MJ2 decompressor handle */
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dinfo = mj2_create_decompress();
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/* catch events using our callbacks and give a local context */
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opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
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/* setup the decoder decoding parameters using user parameters */
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movie = (opj_mj2_t*) dinfo->mj2_handle;
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mj2_setup_decoder(dinfo->mj2_handle, ¶meters);
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if (mj2_read_struct(file, movie)) { // Creating the movie structure
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fclose(xmlout);
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return 1;
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}
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xml_write_init(notes, sampletables, raw, derived);
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xml_write_struct(file, xmlout, movie, sampleframe, stringDTD, &event_mgr);
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2006-12-08 18:04:31 +01:00
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fclose(xmlout);
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2017-05-09 15:44:46 +02:00
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fprintf(stderr, "Metadata correctly extracted to XML file \n");;
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2006-12-08 18:04:31 +01:00
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2017-05-09 15:44:46 +02:00
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/* free remaining structures */
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if (dinfo) {
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mj2_destroy_decompress((opj_mj2_t*)dinfo->mj2_handle);
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}
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2006-12-08 18:04:31 +01:00
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2017-05-09 15:44:46 +02:00
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return 0;
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2006-12-08 18:04:31 +01:00
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}
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