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Diffstat (limited to 'src/tracker-extract/tracker-extract-jpeg.c')
-rw-r--r--src/tracker-extract/tracker-extract-jpeg.c583
1 files changed, 0 insertions, 583 deletions
diff --git a/src/tracker-extract/tracker-extract-jpeg.c b/src/tracker-extract/tracker-extract-jpeg.c
deleted file mode 100644
index c6b07bf69..000000000
--- a/src/tracker-extract/tracker-extract-jpeg.c
+++ /dev/null
@@ -1,583 +0,0 @@
-/*
- * Copyright (C) 2006, Jamie McCracken <jamiemcc@gnome.org>
- * Copyright (C) 2008, Nokia <ivan.frade@nokia.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "config.h"
-
-#include <stdio.h>
-#include <setjmp.h>
-
-#include <jpeglib.h>
-
-#include <libtracker-common/tracker-common.h>
-#include <libtracker-extract/tracker-extract.h>
-#include <libtracker-sparql/tracker-sparql.h>
-
-#include "tracker-main.h"
-
-#define CM_TO_INCH 0.393700787
-
-#ifdef HAVE_LIBEXIF
-#define EXIF_NAMESPACE "Exif"
-#define EXIF_NAMESPACE_LENGTH 4
-#endif /* HAVE_LIBEXIF */
-
-#ifdef HAVE_EXEMPI
-#define XMP_NAMESPACE "http://ns.adobe.com/xap/1.0/\x00"
-#define XMP_NAMESPACE_LENGTH 29
-#endif /* HAVE_EXEMPI */
-
-#ifdef HAVE_LIBIPTCDATA
-#define PS3_NAMESPACE "Photoshop 3.0\0"
-#define PS3_NAMESPACE_LENGTH 14
-#include <libiptcdata/iptc-jpeg.h>
-#endif /* HAVE_LIBIPTCDATA */
-
-typedef struct {
- const gchar *make;
- const gchar *model;
- const gchar *title;
- const gchar *orientation;
- const gchar *copyright;
- const gchar *white_balance;
- const gchar *fnumber;
- const gchar *flash;
- const gchar *focal_length;
- const gchar *artist;
- const gchar *exposure_time;
- const gchar *iso_speed_ratings;
- const gchar *date;
- const gchar *description;
- const gchar *metering_mode;
- const gchar *creator;
- const gchar *comment;
- const gchar *city;
- const gchar *state;
- const gchar *address;
- const gchar *country;
- const gchar *gps_altitude;
- const gchar *gps_latitude;
- const gchar *gps_longitude;
- const gchar *gps_direction;
-} MergeData;
-
-struct tej_error_mgr {
- struct jpeg_error_mgr jpeg;
- jmp_buf setjmp_buffer;
-};
-
-static void
-extract_jpeg_error_exit (j_common_ptr cinfo)
-{
- struct tej_error_mgr *h = (struct tej_error_mgr *) cinfo->err;
- (*cinfo->err->output_message)(cinfo);
- longjmp (h->setjmp_buffer, 1);
-}
-
-static gboolean
-guess_dlna_profile (gint width,
- gint height,
- const gchar **dlna_profile,
- const gchar **dlna_mimetype)
-{
- const gchar *profile = NULL;
-
- if (dlna_profile) {
- *dlna_profile = NULL;
- }
-
- if (dlna_mimetype) {
- *dlna_mimetype = NULL;
- }
-
- if (width <= 640 && height <= 480) {
- profile = "JPEG_SM";
- } else if (width <= 1024 && height <= 768) {
- profile = "JPEG_MED";
- } else if (width <= 4096 && height <= 4096) {
- profile = "JPEG_LRG";
- }
-
- if (profile) {
- if (dlna_profile) {
- *dlna_profile = profile;
- }
-
- if (dlna_mimetype) {
- *dlna_mimetype = "image/jpeg";
- }
-
- return TRUE;
- }
-
- return FALSE;
-}
-
-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;
- TrackerResource *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;
- GPtrArray *keywords;
- gboolean success = TRUE;
- guint i;
-
- 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);
-
- cinfo.err = jpeg_std_error (&tejerr.jpeg);
- tejerr.jpeg.error_exit = extract_jpeg_error_exit;
- if (setjmp (tejerr.setjmp_buffer)) {
- success = FALSE;
- goto fail;
- }
-
- metadata = tracker_resource_new (NULL);
- tracker_resource_add_uri (metadata, "rdf:type", "nfo:Image");
- tracker_resource_add_uri (metadata, "rdf:type", "nmm:Photo");
-
- 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_resource_set_int64 (metadata, "nfo:width", cinfo.image_width);
- tracker_resource_set_int64 (metadata, "nfo:height", cinfo.image_height);
-
- if (guess_dlna_profile (cinfo.image_width, cinfo.image_height, &dlna_profile, &dlna_mimetype)) {
- tracker_resource_set_string (metadata, "nmm:dlnaProfile", dlna_profile);
- tracker_resource_set_string (metadata, "nmm:dlnaMime", dlna_mimetype);
- }
-
- if (id->contact) {
- TrackerResource *contact = tracker_extract_new_contact (id->contact);
- tracker_resource_add_relation (metadata, "nco:contributor", contact);
- g_object_unref (contact);
- }
-
- keywords = g_ptr_array_new_with_free_func ((GDestroyNotify) g_free);
-
- 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) {
- TrackerResource *publisher = tracker_extract_new_contact (xd->publisher);
- tracker_resource_add_relation (metadata, "nco:publisher", publisher);
- g_object_unref (publisher);
- }
-
- if (xd->type) {
- tracker_resource_set_string (metadata, "dc:type", xd->type);
- }
-
- if (xd->rating) {
- tracker_resource_set_string (metadata, "nao:numericRating", xd->rating);
- }
-
- if (xd->format) {
- tracker_resource_set_string (metadata, "dc:format", xd->format);
- }
-
- if (xd->identifier) {
- tracker_resource_set_string (metadata, "dc:identifier", xd->identifier);
- }
-
- if (xd->source) {
- tracker_resource_set_string (metadata, "dc:source", xd->source);
- }
-
- if (xd->language) {
- tracker_resource_set_string (metadata, "dc:language", xd->language);
- }
-
- if (xd->relation) {
- tracker_resource_set_string (metadata, "dc:relation", xd->relation);
- }
-
- if (xd->coverage) {
- tracker_resource_set_string (metadata, "dc:coverage", xd->coverage);
- }
-
- if (xd->license) {
- tracker_resource_set_string (metadata, "nie:license", xd->license);
- }
-
- if (xd->regions) {
- tracker_xmp_apply_regions_to_resource (metadata, xd);
- }
-
- if (id->keywords) {
- tracker_keywords_parse (keywords, id->keywords);
- }
-
- for (i = 0; i < keywords->len; i++) {
- TrackerResource *tag;
- const gchar *p;
-
- p = g_ptr_array_index (keywords, i);
- tag = tracker_extract_new_tag (p);
-
- tracker_resource_add_relation (metadata, "nao:hasTag", tag);
-
- g_object_unref (tag);
- }
- g_ptr_array_free (keywords, TRUE);
-
- if (md.make || md.model) {
- TrackerResource *equipment = tracker_extract_new_equipment (md.make, md.model);
- tracker_resource_add_relation (metadata, "nfo:equipment", equipment);
- g_object_unref (equipment);
- }
-
- tracker_guarantee_resource_title_from_file (metadata,
- "nie:title",
- md.title,
- uri,
- NULL);
-
- if (md.orientation) {
- TrackerResource *orientation;
-
- orientation = tracker_resource_new (md.orientation);
- tracker_resource_set_relation (metadata, "nfo:orientation", orientation);
- g_object_unref (orientation);
- }
-
- if (md.copyright) {
- tracker_resource_set_string (metadata, "nie:copyright", md.copyright);
- }
-
- if (md.white_balance) {
- TrackerResource *white_balance;
-
- white_balance = tracker_resource_new (md.white_balance);
- tracker_resource_set_relation (metadata, "nmm:meteringMode", white_balance);
- g_object_unref (white_balance);
- }
-
- if (md.fnumber) {
- gdouble value;
-
- value = g_strtod (md.fnumber, NULL);
- tracker_resource_set_double (metadata, "nmm:fnumber", value);
- }
-
- if (md.flash) {
- TrackerResource *flash;
-
- flash = tracker_resource_new (md.flash);
- tracker_resource_set_relation (metadata, "nmm:flash", flash);
- g_object_unref (flash);
- }
-
- if (md.focal_length) {
- gdouble value;
-
- value = g_strtod (md.focal_length, NULL);
- tracker_resource_set_double (metadata, "nmm:focalLength", value);
- }
-
- if (md.artist) {
- TrackerResource *artist = tracker_extract_new_contact (md.artist);
- tracker_resource_add_relation (metadata, "nco:contributor", artist);
- g_object_unref (artist);
- }
-
- if (md.exposure_time) {
- gdouble value;
-
- value = g_strtod (md.exposure_time, NULL);
- tracker_resource_set_double (metadata, "nmm:exposureTime", value);
- }
-
- if (md.iso_speed_ratings) {
- gdouble value;
-
- value = g_strtod (md.iso_speed_ratings, NULL);
- tracker_resource_set_double (metadata, "nmm:isoSpeed", value);
- }
-
- tracker_guarantee_resource_date_from_file_mtime (metadata,
- "nie:contentCreated",
- md.date,
- uri);
-
- if (md.description) {
- tracker_resource_set_string(metadata, "nie:description", md.description);
- }
-
- if (md.metering_mode) {
- TrackerResource *metering;
-
- metering = tracker_resource_new (md.metering_mode);
- tracker_resource_set_relation (metadata, "nmm:meteringMode", metering);
- g_object_unref (metering);
- }
-
- if (md.creator) {
- TrackerResource *creator = tracker_extract_new_contact (md.creator);
- tracker_resource_add_relation (metadata, "nco:creator", creator);
- g_object_unref (creator);
-
- /* 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"); */
- /* } */
- }
-
- if (md.comment) {
- tracker_guarantee_resource_utf8_string (metadata, "nie:comment", md.comment);
- }
-
- if (md.address || md.state || md.country || md.city ||
- md.gps_altitude || md.gps_latitude || md.gps_longitude) {
-
- TrackerResource *location = tracker_extract_new_location (md.address,
- md.state, md.city, md.country, md.gps_altitude,
- md.gps_latitude, md.gps_longitude);
-
- tracker_resource_add_relation (metadata, "slo:location", location);
-
- g_object_unref (location);
- }
-
- if (md.gps_direction) {
- tracker_resource_set_string (metadata, "nfo:heading", 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_resource_set_double (metadata, "nfo:horizontalResolution", 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_resource_set_double (metadata, "nfo:verticalResolution", value);
- }
-
- jpeg_destroy_decompress (&cinfo);
-
- tracker_exif_free (ed);
- tracker_xmp_free (xd);
- tracker_iptc_free (id);
- g_free (comment);
-
- tracker_extract_info_set_resource (info, metadata);
- g_object_unref (metadata);
-
-fail:
- tracker_file_close (f, FALSE);
- g_free (uri);
-
- return success;
-}
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