The content type of a text track, represented by a value from the following list:
- 'srt': The track contains SRT (SubRip Text) content.
- 'ttml': The track contains TTML (Timed Text Markup Language) content.
- 'webvtt': The track contains WebVTT (Web Video Text Tracks) content.
- 'emsg': The track contains emsg (Event Message) content.
- 'eventstream': The track contains Event Stream content.
- 'id3': The track contains ID3 content.
- 'cea608': The track contains CEA608 content.
- 'daterange': The track contains HLS EXT-X-DATERANGE content.
- 'millicast': The track contains Millicast metadata content.
- '': The type of the track contents is unknown.
The content type of a text track, represented by a value from the following list:
-
'srt': The track contains SRT (SubRip Text) content.-
'ttml': The track contains TTML (Timed Text Markup Language) content.-
'webvtt': The track contains WebVTT (Web Video Text Tracks) content.-
'emsg': The track contains emsg (Event Message) content.-
'eventstream': The track contains Event Stream content.-
'id3': The track contains ID3 content.-
'cea608': The track contains CEA608 content.-
'daterange': The track contains HLS EXT-X-DATERANGE content.-
'millicast': The track contains Millicast metadata content.-
'': The type of the track contents is unknown.