- ext = textstream.get('ext') or determine_ext(src)
- if not ext:
- type_ = textstream.get('type')
- SUBTITLES_TYPES = {
- 'text/vtt': 'vtt',
- 'text/srt': 'srt',
- 'application/smptett+xml': 'tt',
- }
- if type_ in SUBTITLES_TYPES:
- ext = SUBTITLES_TYPES[type_]