-            encoding = encodings.find(code)
-            if encoding is None:
-                continue
-            encoding_url = encoding.find('FILENAME').text
-            formats.append({
-                'url': encoding_url,
-                'format_id': code.lower(),
-                'quality': pref,
-            })
+            encoding = xpath_element(encodings, code)
+            if encoding is not None:
+                encoding_url = xpath_text(encoding, 'FILENAME')
+                if encoding_url:
+                    formats.append({
+                        'url': encoding_url,
+                        'format_id': code.lower(),
+                        'quality': pref,
+                        'tbr': int_or_none(xpath_text(encoding, 'AVERAGEBITRATE')),
+                    })