Creates any number of HTML5 elements for uploaded WebVTT files for videos displayed using the [playlist] and [video] shortcodes.
The uploaded WebVTT file names must follow this convention to be recognized: + + + + + ‘.vtt’
With each value described as:
<video file name>The base file name of the video file (without it’s extension).<separator>A normalized single character separator typically a dash-to match the WordPress name normalization pattern.<WebVTT track kind>The kind of text track. The kind is defined by the HTML5 specification and may be one of:- captions
- chapters
- descriptions
- metadata
- subtitles
<separator>(defined above)<language code>The language of the track text data. This is a lower case 2 character code that represents the language only part of a full BCP 47 language tag. Here’s a listing of available language codes for reference.'.vtt'The recognized standard file extension for WebVTT files.
As an example, a video file named 'my-video.mp4' would be able to leverage uploaded track files named:
'my-video-chapters-en.vtt'to add English chapters'my-video-subtitles-en.vtt'to add English subtitles'my-video-subtitles-es.vtt'to add Spanish subtitles
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