BitmovinPlayerCoreSubtitleChangedEventClassSubtitleChangedEventSee PlayerListener for more information on this event.@objc(BMPSubtitleChangedEvent) @objcMembers class SubtitleChangedEventTopicsInstance Propertieslet name: Stringlet subtitleTrackNew: SubtitleTrack?The track that is selected nowlet subtitleTrackOld: SubtitleTrack?The track that was previously selected.let timestamp: TimeIntervalInstance Methodsinit(newSubtitleTrack: SubtitleTrack?, oldSubtitleTrack: SubtitleTrack?)RelationshipsConforms ToEventSourceEvent