Use the BigFile document to allow uploading big data.

bt5/erp5_video/PortalTypeTemplateItem/portal_types/Video.xml

@@ -63,7 +63,7 @@
         </item>
         <item>
             <key> <string>type_class</string> </key>
-            <value> <string>File</string> </value>
+            <value> <string>BigFile</string> </value>
         </item>
         <item>
             <key> <string>type_interface</string> </key>

bt5/erp5_video/bt/revision

-2
\ No newline at end of file
+3
\ No newline at end of file