if (protocol == 'm3u8') or (protocol is None and determine_ext(url) == 'm3u8'):
return HlsFD
if url.startswith('mms') or url.startswith('rtsp'):
if (protocol == 'm3u8') or (protocol is None and determine_ext(url) == 'm3u8'):
return HlsFD
if url.startswith('mms') or url.startswith('rtsp'):