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Represents detailed information about a media track

Properties

id

readonly id: string
Unique identifier of the track

type

readonly type: ITrackType
Type of the track (AUDIO, VIDEO, or TEXT)

kind

readonly kind: string
Specific classification of the track (e.g., “main”, “commentary”, “subtitles”)

label

readonly label: string
User-friendly label for the track

language

readonly language: string
Language of the track content (e.g., “en”, “es”) For “AUDIO” ITrackType, refer to: https://html.spec.whatwg.org/multipage/media.html#dom-audiotrack-language For “TEXT” ITrackType, refer to: https://html.spec.whatwg.org/multipage/media.html#dom-texttrack-language

enabled?

optional readonly enabled: boolean
Indicates if the track is currently active Applicable only for AUDIO or VIDEO tracks

mode?

optional readonly mode: ITextTrackMode
Display mode of the text track Applicable only for TEXT tracks
最終更新日 2026年8月25日