-        # get real url
-        file_id = self._search_regex(
-            r'so.addVariable\(\'file\',\'(\d+)\'', webpage, 'file id')
-        sec_code = self._search_regex(
-            r'so.addVariable\(\'seccode\',\'([^\']+)\'', webpage, 'sec code')
-        max_vid = self._search_regex(
-            r'so.addVariable\(\'max_vid\',\'(\d+)\'', webpage, 'max vid')
-        url_params = compat_urllib_parse_urlencode({
-            'VID': file_id,
-            'mp4': '1',
-            'seccode': sec_code,
-            'max_vid': max_vid,
-        })
-        info_cn = self._download_webpage(
-            'http://91porn.com/getfile.php?' + url_params, video_id,
-            'Downloading real video url')
-        video_url = compat_urllib_parse_unquote(self._search_regex(
-            r'file=([^&]+)&', info_cn, 'url'))