diff -r c9460033138f -r 0fb4b009c6eb web/ldt/ldt_utils/projectserializer.py
--- a/web/ldt/ldt_utils/projectserializer.py	Tue Oct 19 15:14:42 2010 +0200
+++ b/web/ldt/ldt_utils/projectserializer.py	Tue Oct 19 15:21:07 2010 +0200
@@ -298,11 +298,16 @@
         if len(res) > 0:
             content_date = res[0]
 
-        
+        href = ""
+        meta_item_value = ""
+        if content.videopath:
+            href = content.videopath.rstrip('/') + "/" + content.src
+            meta_item_value = content.videopath.rstrip('/') + "/"
+
         new_media = {
              "http://advene.liris.cnrs.fr/ns/frame_of_reference/ms" : "o=0",
              "id" : content.iri_id,
-             "href" : content.videopath.rstrip('/') + "/" + content.src,
+             "href" : href,
              "unit" : "ms",
              "origin" : "0",
              "meta": {
@@ -317,7 +322,7 @@
                  "dc:duration" : content.get_duration(),
                  "item": {
                      "name" : "streamer",
-                     "value": content.videopath.rstrip('/') + "/"
+                     "value": meta_item_value, 
                  },
              }
         }