[tracker] tracker-extract: gupnp-dlna: Ensure that a Disc1 MusicAlbumDisc exists

[Philip Van Hoof <pvanhoof src gnome org>]

commit 8b4dafb8c931b522564e4dd92a795d338a853e16
Author: Philip Van Hoof <philip codeminded be>
Date:   Tue Dec 7 16:00:53 2010 +0100

    tracker-extract: gupnp-dlna: Ensure that a Disc1 MusicAlbumDisc exists

 src/tracker-extract/tracker-extract-gupnp-dlna.c |   13 +++++++------
 1 files changed, 7 insertions(+), 6 deletions(-)
---
diff --git a/src/tracker-extract/tracker-extract-gupnp-dlna.c b/src/tracker-extract/tracker-extract-gupnp-dlna.c
index e9102be..108e91b 100644
--- a/src/tracker-extract/tracker-extract-gupnp-dlna.c
+++ b/src/tracker-extract/tracker-extract-gupnp-dlna.c
@@ -481,13 +481,14 @@ extract_metadata (MetadataExtractor      *extractor,
 				tracker_sparql_builder_insert_close (preupdate);
 			}
 
-			has_it = gst_tag_list_get_uint (extractor->tags,
-			                                GST_TAG_ALBUM_VOLUME_NUMBER,
-			                                &count);
+			if (albumname) {
+				has_it = gst_tag_list_get_uint (extractor->tags,
+				                                GST_TAG_ALBUM_VOLUME_NUMBER,
+				                                &count);
 
-			if (has_it) {
 				album_disc_uri = tracker_sparql_escape_uri_printf ("urn:album-disc:%s/%d",
-				                                                   albumname, count);
+				                                                   albumname,
+				                                                   has_it ? count : 1);
 
 				tracker_sparql_builder_insert_open (preupdate, NULL);
 				tracker_sparql_builder_subject_iri (preupdate, album_disc_uri);
@@ -509,7 +510,7 @@ extract_metadata (MetadataExtractor      *extractor,
 				tracker_sparql_builder_insert_open (preupdate, NULL);
 				tracker_sparql_builder_subject_iri (preupdate, album_disc_uri);
 				tracker_sparql_builder_predicate (preupdate, "nmm:setNumber");
-				tracker_sparql_builder_object_int64 (preupdate, count);
+				tracker_sparql_builder_object_int64 (preupdate, has_it ? count : 1);
 				tracker_sparql_builder_insert_close (preupdate);
 
 				tracker_sparql_builder_delete_open (preupdate, NULL);