how to add subtitle file in a movie in html
<video id="video" controls preload="metadata">
<source src="video/sintel-short.mp4" type="video/mp4">
<source src="video/sintel-short.webm" type="video/webm">
<track label="English" kind="subtitles" srclang="en" src="captions/vtt/sintel-en.vtt" default>
<track label="Deutsch" kind="subtitles" srclang="de" src="captions/vtt/sintel-de.vtt">
<track label="Español" kind="subtitles" srclang="es" src="captions/vtt/sintel-es.vtt">
</video>