--- a/src/ldt/ldt/__init__.py	Wed Jul 23 17:40:18 2014 +0200
+++ b/src/ldt/ldt/__init__.py	Wed Jul 23 17:50:04 2014 +0200
@@ -1,6 +1,6 @@
 __all__ = ["VERSION", "get_version", "__version__"]
 
-VERSION = (1, 53, 8, "final", 0)
+VERSION = (1, 53, 9, "final", 0)
 
 
 def get_version():

--- a/src/ldt/ldt/ldt_utils/projectserializer.py	Wed Jul 23 17:40:18 2014 +0200
+++ b/src/ldt/ldt/ldt_utils/projectserializer.py	Wed Jul 23 17:50:04 2014 +0200
@@ -41,7 +41,7 @@
         self.first_cutting = first_cutting
         self.only_one_cutting = only_one_cutting
         # if first_cutting, it means that we limit to the concerned media=
-        self.one_content= None
+        self.one_content= False
         
         
     def __parse_views(self, display_node_list):
@@ -531,7 +531,7 @@
                 self.__parse_ensemble(ensemble_node, content)
 
     
-    def serialize_to_cinelab(self, one_content_param):
+    def serialize_to_cinelab(self, one_content_param=False):
     
         res = {}
         

--- a/src/ldt/ldt/ldt_utils/templates/ldt/ldt_utils/partial/embed_player.html	Wed Jul 23 17:40:18 2014 +0200
+++ b/src/ldt/ldt/ldt_utils/templates/ldt/ldt_utils/partial/embed_player.html	Wed Jul 23 17:50:04 2014 +0200
@@ -12,7 +12,7 @@
 if (typeof jQuery == "undefined") {
 	jQuery = IriSP.jQuery;
 }
-var metadatas = {metadata: {url: '{{json_url}}?onecontent=1' }};
+var metadatas = {metadata: {url: '{{json_url}}{% if "?" in json_url %}&{% else %}?{% endif %}onecontent=1' }};
 var metadata_key = "metadata";
 
 IriSP.libFiles.defaultDir = '{% static "ldt/js/" %}';