static MetadataParsingReturn
metadataparse_jpeg_iptc (JpegParseData * jpeg_data, guint8 ** buf,
guint32 * bufsize, guint8 ** next_start, guint32 * next_size)
{
int ret;
ret = metadataparse_util_hold_chunk (&jpeg_data->read, buf,
bufsize, next_start, next_size, jpeg_data->iptc_adapter);
if (ret == META_PARSING_DONE) {
const guint8 *buf;
guint32 size;
unsigned int iptc_len;
int res;
jpeg_data->state = JPEG_PARSE_READING;
size = gst_adapter_available (*jpeg_data->iptc_adapter);
buf = gst_adapter_peek (*jpeg_data->iptc_adapter, size);
/* FIXME: currently we are throwing away others PhotoShop data */
res = iptc_jpeg_ps3_find_iptc (buf, size, &iptc_len);
if (res < 0) {
/* error */
ret = META_PARSING_ERROR;
} else if (res == 0) {
/* no iptc data found */
gst_adapter_clear (*jpeg_data->iptc_adapter);
} else {
gst_adapter_flush (*jpeg_data->iptc_adapter, res);
size = gst_adapter_available (*jpeg_data->iptc_adapter);
if (size > iptc_len) {
GstBuffer *buf;
buf = gst_adapter_take_buffer (*jpeg_data->iptc_adapter, iptc_len);
gst_adapter_clear (*jpeg_data->iptc_adapter);
gst_adapter_push (*jpeg_data->iptc_adapter, buf);
}
}
/* if there is a second Iptc chunk in the file it will be jumped */
jpeg_data->iptc_adapter = NULL;
}
return ret;
}
G_MODULE_EXPORT gboolean
tracker_extract_get_metadata (TrackerExtractInfo *info)
{
struct jpeg_decompress_struct cinfo;
struct tej_error_mgr tejerr;
struct jpeg_marker_struct *marker;
TrackerSparqlBuilder *preupdate, *metadata;
TrackerXmpData *xd = NULL;
TrackerExifData *ed = NULL;
TrackerIptcData *id = NULL;
MergeData md = { 0 };
GFile *file;
FILE *f;
goffset size;
gchar *filename, *uri;
gchar *comment = NULL;
const gchar *dlna_profile, *dlna_mimetype, *graph;
GPtrArray *keywords;
gboolean success = TRUE;
GString *where;
guint i;
metadata = tracker_extract_info_get_metadata_builder (info);
preupdate = tracker_extract_info_get_preupdate_builder (info);
graph = tracker_extract_info_get_graph (info);
file = tracker_extract_info_get_file (info);
filename = g_file_get_path (file);
size = tracker_file_get_size (filename);
if (size < 18) {
g_free (filename);
return FALSE;
}
f = tracker_file_open (filename);
g_free (filename);
if (!f) {
return FALSE;
}
uri = g_file_get_uri (file);
tracker_sparql_builder_predicate (metadata, "a");
tracker_sparql_builder_object (metadata, "nfo:Image");
tracker_sparql_builder_predicate (metadata, "a");
tracker_sparql_builder_object (metadata, "nmm:Photo");
cinfo.err = jpeg_std_error (&tejerr.jpeg);
tejerr.jpeg.error_exit = extract_jpeg_error_exit;
if (setjmp (tejerr.setjmp_buffer)) {
success = FALSE;
goto fail;
}
jpeg_create_decompress (&cinfo);
jpeg_save_markers (&cinfo, JPEG_COM, 0xFFFF);
jpeg_save_markers (&cinfo, JPEG_APP0 + 1, 0xFFFF);
jpeg_save_markers (&cinfo, JPEG_APP0 + 13, 0xFFFF);
jpeg_stdio_src (&cinfo, f);
jpeg_read_header (&cinfo, TRUE);
/* FIXME? It is possible that there are markers after SOS,
* but there shouldn't be. Should we decompress the whole file?
*
* jpeg_start_decompress(&cinfo);
* jpeg_finish_decompress(&cinfo);
*
* jpeg_calc_output_dimensions(&cinfo);
*/
marker = (struct jpeg_marker_struct *) &cinfo.marker_list;
while (marker) {
gchar *str;
gsize len;
#ifdef HAVE_LIBIPTCDATA
gsize offset;
guint sublen;
#endif /* HAVE_LIBIPTCDATA */
switch (marker->marker) {
case JPEG_COM:
g_free (comment);
comment = g_strndup ((gchar*) marker->data, marker->data_length);
break;
case JPEG_APP0 + 1:
str = (gchar*) marker->data;
len = marker->data_length;
#ifdef HAVE_LIBEXIF
if (strncmp (EXIF_NAMESPACE, str, EXIF_NAMESPACE_LENGTH) == 0) {
ed = tracker_exif_new ((guchar *) marker->data, len, uri);
}
#endif /* HAVE_LIBEXIF */
#ifdef HAVE_EXEMPI
if (strncmp (XMP_NAMESPACE, str, XMP_NAMESPACE_LENGTH) == 0) {
xd = tracker_xmp_new (str + XMP_NAMESPACE_LENGTH,
len - XMP_NAMESPACE_LENGTH,
uri);
}
#endif /* HAVE_EXEMPI */
break;
case JPEG_APP0 + 13:
str = (gchar*) marker->data;
len = marker->data_length;
#ifdef HAVE_LIBIPTCDATA
if (len > 0 && strncmp (PS3_NAMESPACE, str, PS3_NAMESPACE_LENGTH) == 0) {
offset = iptc_jpeg_ps3_find_iptc (str, len, &sublen);
if (offset > 0 && sublen > 0) {
id = tracker_iptc_new (str + offset, sublen, uri);
}
}
#endif /* HAVE_LIBIPTCDATA */
break;
default:
marker = marker->next;
continue;
}
marker = marker->next;
}
if (!ed) {
ed = g_new0 (TrackerExifData, 1);
}
if (!xd) {
xd = g_new0 (TrackerXmpData, 1);
}
if (!id) {
id = g_new0 (TrackerIptcData, 1);
}
md.title = tracker_coalesce_strip (4, xd->title, ed->document_name, xd->title2, xd->pdf_title);
md.orientation = tracker_coalesce_strip (3, xd->orientation, ed->orientation, id->image_orientation);
md.copyright = tracker_coalesce_strip (4, xd->copyright, xd->rights, ed->copyright, id->copyright_notice);
md.white_balance = tracker_coalesce_strip (2, xd->white_balance, ed->white_balance);
md.fnumber = tracker_coalesce_strip (2, xd->fnumber, ed->fnumber);
md.flash = tracker_coalesce_strip (2, xd->flash, ed->flash);
md.focal_length = tracker_coalesce_strip (2, xd->focal_length, ed->focal_length);
md.artist = tracker_coalesce_strip (3, xd->artist, ed->artist, xd->contributor);
md.exposure_time = tracker_coalesce_strip (2, xd->exposure_time, ed->exposure_time);
md.iso_speed_ratings = tracker_coalesce_strip (2, xd->iso_speed_ratings, ed->iso_speed_ratings);
md.date = tracker_coalesce_strip (5, xd->date, xd->time_original, ed->time, id->date_created, ed->time_original);
md.description = tracker_coalesce_strip (2, xd->description, ed->description);
md.metering_mode = tracker_coalesce_strip (2, xd->metering_mode, ed->metering_mode);
md.city = tracker_coalesce_strip (2, xd->city, id->city);
md.state = tracker_coalesce_strip (2, xd->state, id->state);
md.address = tracker_coalesce_strip (2, xd->address, id->sublocation);
md.country = tracker_coalesce_strip (2, xd->country, id->country_name);
/* FIXME We are not handling the altitude ref here for xmp */
md.gps_altitude = tracker_coalesce_strip (2, xd->gps_altitude, ed->gps_altitude);
md.gps_latitude = tracker_coalesce_strip (2, xd->gps_latitude, ed->gps_latitude);
md.gps_longitude = tracker_coalesce_strip (2, xd->gps_longitude, ed->gps_longitude);
md.gps_direction = tracker_coalesce_strip (2, xd->gps_direction, ed->gps_direction);
md.creator = tracker_coalesce_strip (3, xd->creator, id->byline, id->credit);
md.comment = tracker_coalesce_strip (2, comment, ed->user_comment);
md.make = tracker_coalesce_strip (2, xd->make, ed->make);
md.model = tracker_coalesce_strip (2, xd->model, ed->model);
/* Prioritize on native dimention in all cases */
tracker_sparql_builder_predicate (metadata, "nfo:width");
tracker_sparql_builder_object_int64 (metadata, cinfo.image_width);
/* TODO: add ontology and store ed->software */
tracker_sparql_builder_predicate (metadata, "nfo:height");
tracker_sparql_builder_object_int64 (metadata, cinfo.image_height);
if (guess_dlna_profile (cinfo.image_width, cinfo.image_height, &dlna_profile, &dlna_mimetype)) {
tracker_sparql_builder_predicate (metadata, "nmm:dlnaProfile");
tracker_sparql_builder_object_string (metadata, dlna_profile);
tracker_sparql_builder_predicate (metadata, "nmm:dlnaMime");
tracker_sparql_builder_object_string (metadata, dlna_mimetype);
}
if (id->contact) {
gchar *uri = tracker_sparql_escape_uri_printf ("urn:contact:%s", id->contact);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:Contact");
tracker_sparql_builder_predicate (preupdate, "nco:fullname");
tracker_sparql_builder_object_unvalidated (preupdate, id->contact);
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_predicate (metadata, "nco:representative");
tracker_sparql_builder_object_iri (metadata, uri);
g_free (uri);
}
keywords = g_ptr_array_new ();
if (xd->keywords) {
tracker_keywords_parse (keywords, xd->keywords);
}
if (xd->pdf_keywords) {
tracker_keywords_parse (keywords, xd->pdf_keywords);
}
if (xd->subject) {
tracker_keywords_parse (keywords, xd->subject);
}
if (xd->publisher) {
gchar *uri = tracker_sparql_escape_uri_printf ("urn:contact:%s", xd->publisher);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:Contact");
tracker_sparql_builder_predicate (preupdate, "nco:fullname");
tracker_sparql_builder_object_unvalidated (preupdate, xd->publisher);
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_predicate (metadata, "nco:publisher");
tracker_sparql_builder_object_iri (metadata, uri);
g_free (uri);
}
if (xd->type) {
tracker_sparql_builder_predicate (metadata, "dc:type");
tracker_sparql_builder_object_unvalidated (metadata, xd->type);
}
if (xd->rating) {
tracker_sparql_builder_predicate (metadata, "nao:numericRating");
tracker_sparql_builder_object_unvalidated (metadata, xd->rating);
}
if (xd->format) {
tracker_sparql_builder_predicate (metadata, "dc:format");
tracker_sparql_builder_object_unvalidated (metadata, xd->format);
}
if (xd->identifier) {
tracker_sparql_builder_predicate (metadata, "dc:identifier");
tracker_sparql_builder_object_unvalidated (metadata, xd->identifier);
}
if (xd->source) {
tracker_sparql_builder_predicate (metadata, "dc:source");
tracker_sparql_builder_object_unvalidated (metadata, xd->source);
}
if (xd->language) {
tracker_sparql_builder_predicate (metadata, "dc:language");
tracker_sparql_builder_object_unvalidated (metadata, xd->language);
}
if (xd->relation) {
tracker_sparql_builder_predicate (metadata, "dc:relation");
tracker_sparql_builder_object_unvalidated (metadata, xd->relation);
}
if (xd->coverage) {
tracker_sparql_builder_predicate (metadata, "dc:coverage");
tracker_sparql_builder_object_unvalidated (metadata, xd->coverage);
}
if (xd->license) {
tracker_sparql_builder_predicate (metadata, "nie:license");
tracker_sparql_builder_object_unvalidated (metadata, xd->license);
}
if (xd->regions) {
tracker_xmp_apply_regions (preupdate, metadata, graph, xd);
}
if (id->keywords) {
tracker_keywords_parse (keywords, id->keywords);
}
where = g_string_new ("");
for (i = 0; i < keywords->len; i++) {
gchar *p, *escaped, *var;
p = g_ptr_array_index (keywords, i);
escaped = tracker_sparql_escape_string (p);
var = g_strdup_printf ("tag%d", i + 1);
/* ensure tag with specified label exists */
tracker_sparql_builder_append (preupdate, "INSERT { ");
if (graph) {
tracker_sparql_builder_append (preupdate, "GRAPH <");
tracker_sparql_builder_append (preupdate, graph);
tracker_sparql_builder_append (preupdate, "> { ");
}
tracker_sparql_builder_append (preupdate,
"_:tag a nao:Tag ; nao:prefLabel \"");
tracker_sparql_builder_append (preupdate, escaped);
tracker_sparql_builder_append (preupdate, "\"");
if (graph) {
tracker_sparql_builder_append (preupdate, " } ");
}
tracker_sparql_builder_append (preupdate, " }\n");
tracker_sparql_builder_append (preupdate,
"WHERE { FILTER (NOT EXISTS { "
"?tag a nao:Tag ; nao:prefLabel \"");
tracker_sparql_builder_append (preupdate, escaped);
tracker_sparql_builder_append (preupdate,
"\" }) }\n");
/* associate file with tag */
tracker_sparql_builder_predicate (metadata, "nao:hasTag");
tracker_sparql_builder_object_variable (metadata, var);
g_string_append_printf (where, "?%s a nao:Tag ; nao:prefLabel \"%s\" .\n", var, escaped);
g_free (var);
g_free (escaped);
g_free (p);
}
g_ptr_array_free (keywords, TRUE);
tracker_extract_info_set_where_clause (info, where->str);
g_string_free (where, TRUE);
if (md.make || md.model) {
gchar *equip_uri;
equip_uri = tracker_sparql_escape_uri_printf ("urn:equipment:%s:%s:",
md.make ? md.make : "",
md.model ? md.model : "");
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, equip_uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nfo:Equipment");
if (md.make) {
tracker_sparql_builder_predicate (preupdate, "nfo:manufacturer");
tracker_sparql_builder_object_unvalidated (preupdate, md.make);
}
if (md.model) {
tracker_sparql_builder_predicate (preupdate, "nfo:model");
tracker_sparql_builder_object_unvalidated (preupdate, md.model);
}
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_predicate (metadata, "nfo:equipment");
tracker_sparql_builder_object_iri (metadata, equip_uri);
g_free (equip_uri);
}
tracker_guarantee_title_from_file (metadata,
"nie:title",
md.title,
uri,
NULL);
if (md.orientation) {
tracker_sparql_builder_predicate (metadata, "nfo:orientation");
tracker_sparql_builder_object (metadata, md.orientation);
}
if (md.copyright) {
tracker_sparql_builder_predicate (metadata, "nie:copyright");
tracker_sparql_builder_object_unvalidated (metadata, md.copyright);
}
if (md.white_balance) {
tracker_sparql_builder_predicate (metadata, "nmm:whiteBalance");
tracker_sparql_builder_object (metadata, md.white_balance);
}
if (md.fnumber) {
gdouble value;
value = g_strtod (md.fnumber, NULL);
tracker_sparql_builder_predicate (metadata, "nmm:fnumber");
tracker_sparql_builder_object_double (metadata, value);
}
if (md.flash) {
tracker_sparql_builder_predicate (metadata, "nmm:flash");
tracker_sparql_builder_object (metadata, md.flash);
}
if (md.focal_length) {
gdouble value;
value = g_strtod (md.focal_length, NULL);
tracker_sparql_builder_predicate (metadata, "nmm:focalLength");
tracker_sparql_builder_object_double (metadata, value);
}
if (md.artist) {
gchar *uri = tracker_sparql_escape_uri_printf ("urn:contact:%s", md.artist);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:Contact");
tracker_sparql_builder_predicate (preupdate, "nco:fullname");
tracker_sparql_builder_object_unvalidated (preupdate, md.artist);
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_predicate (metadata, "nco:contributor");
tracker_sparql_builder_object_iri (metadata, uri);
g_free (uri);
}
if (md.exposure_time) {
gdouble value;
value = g_strtod (md.exposure_time, NULL);
tracker_sparql_builder_predicate (metadata, "nmm:exposureTime");
tracker_sparql_builder_object_double (metadata, value);
}
if (md.iso_speed_ratings) {
gdouble value;
value = g_strtod (md.iso_speed_ratings, NULL);
tracker_sparql_builder_predicate (metadata, "nmm:isoSpeed");
tracker_sparql_builder_object_double (metadata, value);
}
tracker_guarantee_date_from_file_mtime (metadata,
"nie:contentCreated",
md.date,
uri);
if (md.description) {
tracker_sparql_builder_predicate (metadata, "nie:description");
tracker_sparql_builder_object_unvalidated (metadata, md.description);
}
if (md.metering_mode) {
tracker_sparql_builder_predicate (metadata, "nmm:meteringMode");
tracker_sparql_builder_object (metadata, md.metering_mode);
}
if (md.creator) {
gchar *uri = tracker_sparql_escape_uri_printf ("urn:contact:%s", md.creator);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:Contact");
tracker_sparql_builder_predicate (preupdate, "nco:fullname");
tracker_sparql_builder_object_unvalidated (preupdate, md.creator);
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
/* NOTE: We only have affiliation with
* nco:PersonContact and we are using
* nco:Contact here.
*/
/* if (id->byline_title) { */
/* tracker_sparql_builder_insert_open (preupdate, NULL); */
/* tracker_sparql_builder_subject (preupdate, "_:affiliation_by_line"); */
/* tracker_sparql_builder_predicate (preupdate, "a"); */
/* tracker_sparql_builder_object (preupdate, "nco:Affiliation"); */
/* tracker_sparql_builder_predicate (preupdate, "nco:title"); */
/* tracker_sparql_builder_object_unvalidated (preupdate, id->byline_title); */
/* tracker_sparql_builder_insert_close (preupdate); */
/* tracker_sparql_builder_predicate (preupdate, "a"); */
/* tracker_sparql_builder_object (preupdate, "nco:Contact"); */
/* tracker_sparql_builder_predicate (preupdate, "nco:hasAffiliation"); */
/* tracker_sparql_builder_object (preupdate, "_:affiliation_by_line"); */
/* } */
tracker_sparql_builder_predicate (metadata, "nco:creator");
tracker_sparql_builder_object_iri (metadata, uri);
g_free (uri);
}
if (md.comment) {
tracker_sparql_builder_predicate (metadata, "nie:comment");
tracker_sparql_builder_object_unvalidated (metadata, md.comment);
}
if (md.address || md.state || md.country || md.city ||
md.gps_altitude || md.gps_latitude || md.gps_longitude) {
tracker_sparql_builder_predicate (metadata, "slo:location");
tracker_sparql_builder_object_blank_open (metadata); /* GeoPoint */
tracker_sparql_builder_predicate (metadata, "a");
tracker_sparql_builder_object (metadata, "slo:GeoLocation");
if (md.address || md.state || md.country || md.city) {
gchar *addruri;
addruri = tracker_sparql_get_uuid_urn ();
tracker_sparql_builder_predicate (metadata, "slo:postalAddress");
tracker_sparql_builder_object_iri (metadata, addruri);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, addruri);
g_free (addruri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:PostalAddress");
if (md.address) {
tracker_sparql_builder_predicate (preupdate, "nco:streetAddress");
tracker_sparql_builder_object_unvalidated (preupdate, md.address);
}
if (md.state) {
tracker_sparql_builder_predicate (preupdate, "nco:region");
tracker_sparql_builder_object_unvalidated (preupdate, md.state);
}
if (md.city) {
tracker_sparql_builder_predicate (preupdate, "nco:locality");
tracker_sparql_builder_object_unvalidated (preupdate, md.city);
}
if (md.country) {
tracker_sparql_builder_predicate (preupdate, "nco:country");
tracker_sparql_builder_object_unvalidated (preupdate, md.country);
}
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
}
if (md.gps_altitude) {
tracker_sparql_builder_predicate (metadata, "slo:altitude");
tracker_sparql_builder_object_unvalidated (metadata, md.gps_altitude);
}
if (md.gps_latitude) {
tracker_sparql_builder_predicate (metadata, "slo:latitude");
tracker_sparql_builder_object_unvalidated (metadata, md.gps_latitude);
}
if (md.gps_longitude) {
tracker_sparql_builder_predicate (metadata, "slo:longitude");
tracker_sparql_builder_object_unvalidated (metadata, md.gps_longitude);
}
tracker_sparql_builder_object_blank_close (metadata); /* GeoLocation */
}
if (md.gps_direction) {
tracker_sparql_builder_predicate (metadata, "nfo:heading");
tracker_sparql_builder_object_unvalidated (metadata, md.gps_direction);
}
if (cinfo.density_unit != 0 || ed->x_resolution) {
gdouble value;
if (cinfo.density_unit == 0) {
if (ed->resolution_unit != 3)
value = g_strtod (ed->x_resolution, NULL);
else
value = g_strtod (ed->x_resolution, NULL) * CM_TO_INCH;
} else {
if (cinfo.density_unit == 1)
value = cinfo.X_density;
else
value = cinfo.X_density * CM_TO_INCH;
}
tracker_sparql_builder_predicate (metadata, "nfo:horizontalResolution");
tracker_sparql_builder_object_double (metadata, value);
}
if (cinfo.density_unit != 0 || ed->y_resolution) {
gdouble value;
if (cinfo.density_unit == 0) {
if (ed->resolution_unit != 3)
value = g_strtod (ed->y_resolution, NULL);
else
value = g_strtod (ed->y_resolution, NULL) * CM_TO_INCH;
} else {
if (cinfo.density_unit == 1)
value = cinfo.Y_density;
else
value = cinfo.Y_density * CM_TO_INCH;
}
tracker_sparql_builder_predicate (metadata, "nfo:verticalResolution");
tracker_sparql_builder_object_double (metadata, value);
}
jpeg_destroy_decompress (&cinfo);
tracker_exif_free (ed);
tracker_xmp_free (xd);
tracker_iptc_free (id);
g_free (comment);
fail:
tracker_file_close (f, FALSE);
g_free (uri);
return success;
}
