+ 'duration': float_or_none(s.get('duration') or e.get('duration')),
+ 'filesize': int_or_none(e.get('contentLength')),
+ 'creator': try_get(cast_data, lambda x: x['show']['author'], compat_str),
+ 'series': try_get(cast_data, lambda x: x['show']['name'], compat_str),
+ 'season_number': int_or_none(e.get('seasonNumber')),
+ 'episode': title,
+ 'episode_number': int_or_none(e.get('episodeNumber')),