flv.js works by transmuxing FLV file stream into ISO BMFF (Fragmented MP4) segments, followed by feeding mp4 segments into an HTML5
<video> element through Media Source Extensions API.
rlightbox is a jQuery UI mediabox that can display many types of content such as images, YouTube and Vimeo videos. It has many unique features like Panorama and Live Re-size. Like other jQuery UI widgets, it is ThemeRoller ready.