--- conditional_fields.old/conditional_fields.module
+++ conditional_fields/conditional_fields.module
@@ -994,6 +994,14 @@
   elseif (isset($field[0]['nid'])) {
     $value = $field[0]['nid'];
   }
+  // Link field
+  elseif (isset($field[0]['url'])) {
+    $value = $field[0]['url'];
+  }
+  // Media embed fields
+  elseif (isset($field[0]['embed'])) {
+    $value = $field[0]['embed'];
+  }
 
   if (!count($value) || (is_string($value) && drupal_strlen(trim($value)) == 0)) {
     return TRUE;