-            r'class="user"[^>]*>([^<]+)',
-            webpage, 'uploader', fatal=False)
+            r'class="user"[^>]*><img[^>]+>([^<]+)',
+            webpage, 'uploader', default=None)
+        duration = parse_duration(self._search_regex(
+            r'<div[^>]+\bclass=["\']right_side[^>]+>\s*<span>([^<]+)',
+            webpage, 'duration', fatal=False))
+        view_count = str_to_int(self._search_regex(
+            r'([\d,.]+)\s+plays', webpage, 'view count', fatal=False))