Interface TextTrackDescription

Describes the configuration of a side-loaded text track.

interface TextTrackDescription {
    default?: boolean;
    format?: string;
    id?: string;
    kind?: string;
    label?: string;
    src: string;
    srclang?: string;
    subtitleLocaltime?: string;
    subtitlePTS?: string;
}

Properties

default? format? id? kind? label? src srclang? subtitleLocaltime? subtitlePTS?

Properties

Optional default

default?: boolean

Whether the text track should be enabled by default.

Remarks


- Only one text track per TextTrack.kind may be marked as default.

Default Value

false

Optional format

format?: string

The format of the track, represented by a value from the following list:
- 'srt'
- 'ttml'
- 'webvtt'
- 'emsg'
- 'eventstream'
- 'id3'
- 'cea608'
- 'daterange'

Default Value

''

Optional Internal id

id?: string

The identifier of this text track.

Optional kind

kind?: string

The kind of the text track, represented by a value from the following list:
- 'subtitles': The track provides subtitles, used to display subtitles in a video.
- 'captions': The track provides a translation of dialogue and sound effects (suitable for users with a hearing impairment).
- 'descriptions': The track provides a textual description of the video (suitable for users with a vision impairment).
- 'chapters': The track provides chapter titles (suitable for navigating the media resource).
- 'metadata': The track provides content used by scripts and is not visible for users.

Remarks


- If an unrecognized value is provided, the player will interpret it as 'metadata'.

Default Value

'subtitles'

Optional label

label?: string

A label for the text track.

Remarks


- This will be used as an identifier on the player API and in the UI.

src

src: string

The source URL of the text track.

Optional srclang

srclang?: string

The language of the text track.

Optional Internal subtitleLocaltime

subtitleLocaltime?: string

The localTime that matches the PTS value that is used to sync the track with the video.

Platform

iOS

Remarks


- Format: "HH:mm:mm:SSS"
- Default value is "00:00:00:000"

Optional Internal subtitlePTS

subtitlePTS?: string

The PTS value used to sync the track with the video.

Platform

iOS

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defaultformatidkindlabelsrcsrclangsubtitleLocaltimesubtitlePTS