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tag: xmp: Adds _USER_RATING mapping for xmp

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Adds a new mapping for _USER_RATING on xmp helper lib
and also adds tests for it
This commit is contained in:
Thiago Santos 2010-03-24 10:18:13 -03:00
parent 007bf4fe7c
commit 8fda870b29
2 changed files with 37 additions and 0 deletions
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28
gst-libs/gst/tag/gstxmptag.c
View file

@ -402,6 +402,26 @@ deserialize_exif_altitude (GstTagList * taglist, const gchar * gst_tag,
*pending_tags = g_slist_delete_link (*pending_tags, entry);
}
static void
deserialize_xmp_rating (GstTagList * taglist, const gchar * gst_tag,
const gchar * xmp_tag, const gchar * str, GSList ** pending_tags)
{
guint value;
if (sscanf (str, "%u", &value) != 1) {
GST_WARNING ("Failed to parse xmp:Rating %s", str);
return;
}
if (value < 0 || value > 100) {
GST_WARNING ("Unsupported Rating tag %u (should be from 0 to 100), "
"ignoring", value);
return;
}
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, gst_tag, value, NULL);
}
/* look at this page for addtional schemas
* http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/XMP.html
*/
@ -430,6 +450,10 @@ _init_xmp_tag_map ()
/* FIXME: we probably want GST_TAG_{,AUDIO_,VIDEO_}MIME_TYPE */
_xmp_tag_add_simple_mapping (GST_TAG_VIDEO_CODEC, "dc:format", NULL, NULL);
/* xap (xmp) schema */
_xmp_tag_add_simple_mapping (GST_TAG_USER_RATING, "xmp:Rating", NULL,
deserialize_xmp_rating);
/* exif schema */
_xmp_tag_add_simple_mapping (GST_TAG_GEO_LOCATION_LATITUDE,
"exif:GPSLatitude", serialize_exif_latitude, deserialize_exif_latitude);
@ -840,6 +864,10 @@ gst_value_serialize_xmp (const GValue * value)
switch (G_VALUE_TYPE (value)) {
case G_TYPE_STRING:
return g_markup_escape_text (g_value_get_string (value), -1);
case G_TYPE_INT:
return g_strdup_printf ("%d", g_value_get_int (value));
case G_TYPE_UINT:
return g_strdup_printf ("%u", g_value_get_uint (value));
default:
break;
}

9
tests/check/libs/tag.c
View file

@ -977,6 +977,15 @@ GST_START_TEST (test_xmp_tags_serialization_deserialization)
g_date_free (date);
do_xmp_tag_serialization_deserialization (GST_TAG_DATE, &value);
g_value_unset (&value);
g_value_init (&value, G_TYPE_UINT);
g_value_set_uint (&value, 0);
do_xmp_tag_serialization_deserialization (GST_TAG_USER_RATING, &value);
g_value_set_uint (&value, 100);
do_xmp_tag_serialization_deserialization (GST_TAG_USER_RATING, &value);
g_value_set_uint (&value, 22);
do_xmp_tag_serialization_deserialization (GST_TAG_USER_RATING, &value);
g_value_unset (&value);
}
GST_END_TEST;