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tag: xmp: Adds mappings for LATITUDE and LONGITUDE
Adds the mappings for those tags and tests for tags serialization. Fixes #613690
This commit is contained in:
Thiago Santos
parent
fe1f3e3595
commit
7ebbfbd3a5
2 changed files with 242 additions and 0 deletions
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@ -157,6 +157,130 @@ _xmp_tag_get_mapping_reverse (const gchar * xmp_tag, XmpTag ** _xmp_tag)
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return ret;
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}
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/* (de)serialize functions */
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static gchar *
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serialize_exif_gps_coordinate (const GValue * value, gchar pos, gchar neg)
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{
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gdouble num;
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gchar c;
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gint integer;
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gchar fraction[G_ASCII_DTOSTR_BUF_SIZE];
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g_return_val_if_fail (G_VALUE_TYPE (value) == G_TYPE_DOUBLE, NULL);
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num = g_value_get_double (value);
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if (num < 0) {
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c = neg;
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num *= -1;
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} else {
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c = pos;
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}
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integer = (gint) num;
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g_ascii_dtostr (fraction, sizeof (fraction), (num - integer) * 60);
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/* FIXME review GPSCoordinate serialization spec for the .mm or ,ss
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* decision. Couldn't understand it clearly */
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return g_strdup_printf ("%d,%s%c", integer, fraction, c);
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}
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static gchar *
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serialize_exif_latitude (const GValue * value)
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{
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return serialize_exif_gps_coordinate (value, 'N', 'S');
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}
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static gchar *
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serialize_exif_longitude (const GValue * value)
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{
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return serialize_exif_gps_coordinate (value, 'E', 'W');
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}
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static void
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deserialize_exif_gps_coordinate (GstTagList * taglist, const gchar * gst_tag,
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const gchar * str, gchar pos, gchar neg)
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{
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gdouble value = 0;
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gint d = 0, m = 0, s = 0;
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gdouble m2 = 0;
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gchar c;
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const gchar *current;
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/* get the degrees */
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if (sscanf (str, "%d", &d) != 1)
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goto error;
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/* find the beginning of the minutes */
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current = strchr (str, ',');
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if (current == NULL)
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goto end;
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current += 1;
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/* check if it uses ,SS or .mm */
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if (strchr (current, ',') != NULL) {
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sscanf (current, "%d,%d%c", &m, &s, &c);
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} else {
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gchar *copy = g_strdup (current);
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gint len = strlen (copy);
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gint i;
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/* check the last letter */
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for (i = len - 1; len >= 0; len--) {
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if (g_ascii_isspace (copy[i]))
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continue;
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if (g_ascii_isalpha (copy[i])) {
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/* found it */
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c = copy[i];
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copy[i] = '\0';
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break;
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} else {
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/* something is wrong */
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g_free (copy);
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goto error;
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}
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}
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/* use a copy so we can change the last letter as E can cause
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* problems here */
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m2 = g_ascii_strtod (copy, NULL);
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g_free (copy);
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}
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end:
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/* we can add them all as those that aren't parsed are 0 */
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value = d + (m / 60.0) + (s / (60.0 * 60.0)) + (m2 / 60.0);
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if (c == pos) {
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//NOP
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} else if (c == neg) {
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value *= -1;
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} else {
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goto error;
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}
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gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, gst_tag, value, NULL);
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return;
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error:
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GST_WARNING ("Failed to deserialize gps coordinate: %s", str);
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}
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static void
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deserialize_exif_latitude (GstTagList * taglist, const gchar * gst_tag,
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const gchar * str)
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{
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deserialize_exif_gps_coordinate (taglist, gst_tag, str, 'N', 'S');
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}
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static void
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deserialize_exif_longitude (GstTagList * taglist, const gchar * gst_tag,
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const gchar * str)
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{
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deserialize_exif_gps_coordinate (taglist, gst_tag, str, 'E', 'W');
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}
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/* look at this page for addtional schemas
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* http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/XMP.html
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*/
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@ -182,6 +306,13 @@ _init_xmp_tag_map ()
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/* FIXME: we probably want GST_TAG_{,AUDIO_,VIDEO_}MIME_TYPE */
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_xmp_tag_add_simple_mapping (GST_TAG_VIDEO_CODEC, "dc:format", NULL, NULL);
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/* exif schema */
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_xmp_tag_add_simple_mapping (GST_TAG_GEO_LOCATION_LATITUDE,
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"exif:GPSLatitude", serialize_exif_latitude, deserialize_exif_latitude);
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_xmp_tag_add_simple_mapping (GST_TAG_GEO_LOCATION_LONGITUDE,
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"exif:GPSLongitude", serialize_exif_longitude,
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deserialize_exif_longitude);
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/* photoshop schema */
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_xmp_tag_add_simple_mapping (GST_TAG_GEO_LOCATION_COUNTRY,
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"photoshop:Country", NULL, NULL);
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@ -852,6 +852,116 @@ GST_START_TEST (test_xmp_parsing)
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GST_END_TEST;
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static void
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do_xmp_tag_serialization_deserialization (const gchar * gsttag, GValue * value)
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{
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GstTagList *taglist = gst_tag_list_new ();
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GstTagList *taglist2;
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GstBuffer *buf;
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const gchar *name_sent, *name_recv;
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const GValue *value_sent, *value_recv;
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gboolean found;
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gint comparison;
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gint n_recv;
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gint n_sent;
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gint i, j;
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fail_if (FALSE);
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gst_tag_list_add_value (taglist, GST_TAG_MERGE_REPLACE, gsttag, value);
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buf = gst_tag_list_to_xmp_buffer (taglist, TRUE);
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taglist2 = gst_tag_list_from_xmp_buffer (buf);
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/* verify tags */
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fail_unless (taglist2 != NULL);
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n_recv = gst_structure_n_fields (taglist2);
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n_sent = gst_structure_n_fields (taglist);
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fail_unless (n_recv == n_sent);
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/* FIXME: compare taglist values */
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for (i = 0; i < n_sent; i++) {
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name_sent = gst_structure_nth_field_name (taglist, i);
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value_sent = gst_structure_get_value (taglist, name_sent);
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found = FALSE;
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for (j = 0; j < n_recv; j++) {
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name_recv = gst_structure_nth_field_name (taglist2, j);
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if (!strcmp (name_sent, name_recv)) {
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value_recv = gst_structure_get_value (taglist2, name_recv);
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comparison = gst_value_compare (value_sent, value_recv);
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if (comparison != GST_VALUE_EQUAL) {
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gchar *vs = g_strdup_value_contents (value_sent);
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gchar *vr = g_strdup_value_contents (value_recv);
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GST_DEBUG ("sent = %s:'%s', recv = %s:'%s'",
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G_VALUE_TYPE_NAME (value_sent), vs,
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G_VALUE_TYPE_NAME (value_recv), vr);
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g_free (vs);
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g_free (vr);
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}
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fail_unless (comparison == GST_VALUE_EQUAL,
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"tag item %s has been received with different type or value",
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name_sent);
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found = TRUE;
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break;
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}
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}
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fail_unless (found, "tag item %s is lost", name_sent);
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}
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gst_buffer_unref (buf);
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gst_tag_list_free (taglist);
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gst_tag_list_free (taglist2);
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}
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GST_START_TEST (test_xmp_tags_serialization_deserialization)
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{
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GValue value = { 0 };
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GDate *date;
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g_value_init (&value, G_TYPE_STRING);
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g_value_set_static_string (&value, "my string");
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do_xmp_tag_serialization_deserialization (GST_TAG_ARTIST, &value);
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do_xmp_tag_serialization_deserialization (GST_TAG_COPYRIGHT, &value);
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do_xmp_tag_serialization_deserialization (GST_TAG_DESCRIPTION, &value);
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do_xmp_tag_serialization_deserialization (GST_TAG_KEYWORDS, &value);
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do_xmp_tag_serialization_deserialization (GST_TAG_TITLE, &value);
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do_xmp_tag_serialization_deserialization (GST_TAG_VIDEO_CODEC, &value);
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do_xmp_tag_serialization_deserialization (GST_TAG_GEO_LOCATION_COUNTRY,
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&value);
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do_xmp_tag_serialization_deserialization (GST_TAG_GEO_LOCATION_CITY, &value);
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do_xmp_tag_serialization_deserialization (GST_TAG_GEO_LOCATION_SUBLOCATION,
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&value);
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g_value_unset (&value);
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g_value_init (&value, G_TYPE_DOUBLE);
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g_value_set_double (&value, 0.0);
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do_xmp_tag_serialization_deserialization (GST_TAG_GEO_LOCATION_LATITUDE,
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&value);
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do_xmp_tag_serialization_deserialization (GST_TAG_GEO_LOCATION_LONGITUDE,
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&value);
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g_value_set_double (&value, 10.5);
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do_xmp_tag_serialization_deserialization (GST_TAG_GEO_LOCATION_LATITUDE,
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&value);
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do_xmp_tag_serialization_deserialization (GST_TAG_GEO_LOCATION_LONGITUDE,
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&value);
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g_value_set_double (&value, -32.375);
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do_xmp_tag_serialization_deserialization (GST_TAG_GEO_LOCATION_LATITUDE,
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&value);
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do_xmp_tag_serialization_deserialization (GST_TAG_GEO_LOCATION_LONGITUDE,
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&value);
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g_value_unset (&value);
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g_value_init (&value, GST_TYPE_DATE);
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date = g_date_new_dmy (22, 3, 2010);
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gst_value_set_date (&value, date);
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g_date_free (date);
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do_xmp_tag_serialization_deserialization (GST_TAG_DATE, &value);
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g_value_unset (&value);
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}
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GST_END_TEST;
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static Suite *
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tag_suite (void)
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@ -868,6 +978,7 @@ tag_suite (void)
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tcase_add_test (tc_chain, test_language_utils);
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tcase_add_test (tc_chain, test_xmp_formatting);
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tcase_add_test (tc_chain, test_xmp_parsing);
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tcase_add_test (tc_chain, test_xmp_tags_serialization_deserialization);
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return s;
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}
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