+        param1 = self._search_regex(r'param1:(\d+)', video_info_page, u'param1')
+        param2 = self._search_regex(r'param2:(\d+)', video_info_page, u'param2')
+        key = _md5('xl_mp43651' + param1 + param2)
+        video_url = 'http://%s%s?key=%s&key1=%s' % (ip, path, key, param2)