Stretching Fullscrenn volume not working

d... — Oct 11, 2016 10:40PM EDT

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I was using JwPlayer 7.7 and my video format m3u8, video is running but when fullscreen button click is not working
this my code

function loadVideo(t) {
console.log(t);
setTimeout(function() {
jwplayer("marker-video").setup({
file: t,
// autostart: !0,
width: "200",
height: "110",
primary: 'html5',
type: "hls",
hlshtml: true,
mediaid: "BitEk",
autostart: true,
allowfullscreen: true
});
}, 500);
}