isForcedSubtitle

Determines if the SubtitleTrack should be selected by the player per default and kept in sync with the selected audio language. In that case the subtitle track will not appear in getAvailableSubtitles. Per default subtitle tracks with isForced set to true will be selected. In case of DASH these are subtitles with the role `forced_subtitle` and in case of HLS subtitles with the attribute `FORCED=YES`. Is called when parsing new subtitle tracks.

Return

whether the passed SubtitleTrack should be considered as a forced subtitle.

Parameters