[tracker] tracker-extract: Use tracker-guarantee to ensure a title in playlists

[Carlos Garnacho <carlosg src gnome org>]

commit 88dcce8f727f903c198d94ba51fd85d375af8c7b
Author: Marinus Schraal <fosero gmail com>
Date:   Fri Feb 26 01:53:18 2016 +0100

    tracker-extract: Use tracker-guarantee to ensure a title in playlists
    
    Resort to the basename in order to guarantee a title.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=761466

 src/tracker-extract/tracker-extract-playlist.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/src/tracker-extract/tracker-extract-playlist.c b/src/tracker-extract/tracker-extract-playlist.c
index f1cff47..0d16c0d 100644
--- a/src/tracker-extract/tracker-extract-playlist.c
+++ b/src/tracker-extract/tracker-extract-playlist.c
@@ -30,6 +30,7 @@
 #include <totem-pl-parser.h>
 
 #include <libtracker-extract/tracker-extract.h>
+#include <libtracker-extract/tracker-guarantee.h>
 
 #define PLAYLIST_PROPERTY_NO_TRACKS "entryCounter"
 #define PLAYLIST_PROPERTY_DURATION  "listDuration"
@@ -150,7 +151,8 @@ tracker_extract_get_metadata (TrackerExtractInfo *info)
                        tracker_sparql_builder_object_unvalidated (metadata, data.title);
                        g_free (data.title);
                } else {
-                       g_message ("Playlist has no title");
+                       g_message ("Playlist has no title, attempting to get one from filename");
+                       tracker_guarantee_title_from_file (metadata, "nie:title", NULL, uri, NULL);
                }
 
                if (data.total_time > 0) {