iterator: Only visit the element a single time in the single iterator

diff --git a/gst/gstiterator.c b/gst/gstiterator.c
index ad5d708..6818996 100644 (file)
--- a/gst/gstiterator.c
+++ b/gst/gstiterator.c
@@ -680,6 +680,7 @@ gst_single_object_iterator_iterator_next (GstSingleObjectIterator * it,
   }
 
   *result = it->copy (it->object);
+  it->visited = TRUE;
   return GST_ITERATOR_OK;
 }