@ -1827,6 +1827,10 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
url_data = compat_parse_qs(url_data_str)
if 'itag' not in url_data or 'url' not in url_data:
continue
stream_type = int_or_none(try_get(url_data, lambda x: x['stream_type'][0]))
# Unsupported FORMAT_STREAM_TYPE_OTF
if stream_type == 3:
format_id = url_data['itag'][0]
url = url_data['url'][0]