tracker-extract: Ensure all cue sheet MusicPieces have a nfo:duration

The last entry in the TrackerToc may lack duration information, because
it's not specified in the cue file, but is determined from the audio
file itself. In this case, fill this info in.

1 files changed, 10 insertions, 0 deletions

diff --git a/src/tracker-extract/tracker-extract-gstreamer.c b/src/tracker-extract/tracker-extract-gstreamer.c
index 9c9dd7d42..a419b54c7 100644
--- a/src/tracker-extract/tracker-extract-gstreamer.c
+++ b/src/tracker-extract/tracker-extract-gstreamer.c
@@ -1013,6 +1013,16 @@ extract_track_metadata (MetadataExtractor    *extractor,
 	if (toc_entry->duration > 0) {
 		tracker_sparql_builder_predicate (postupdate, "nfo:duration");
 		tracker_sparql_builder_object_int64 (postupdate, (gint64)toc_entry->duration);
+	} else if (extractor->toc->entry_list &&
+	           toc_entry == g_list_last (extractor->toc->entry_list)->data) {
+		/* The last element may not have a duration, because it depends
+		 * on the duration of the media file rather than info from the
+		 * cue sheet. In this case figure the data out from the total
+		 * duration.
+		 */
+		tracker_sparql_builder_predicate (postupdate, "nfo:duration");
+		tracker_sparql_builder_object_int64 (postupdate,
+						     (gint64) extractor->duration - toc_entry->start);
 	}
 
 	tracker_sparql_builder_predicate (postupdate, "nfo:audioOffset");