The time when the cue should be cleared.
The line on which the text belongs.
The position of the text as a fraction of the cue box within the video.
The size of the cue as a percentage of the video.
The time when the cue should be displayed.
The text of the cue.
Contains information for the display of subtitles and captions including styling and positioning. Note: currently IVS streams do not contain positioning or styling information for TextCues. TextCues should be rendered in accordance with user preferences for captions/subtitles and should be cleared/reset when switching streams in the player or after a preset timeout period.