How to hidden video url in asp.net mvc

I build a website on asp.net mvc 4. In this website, i will play video on youtube with link get from youtube, and I using jwplayer to play video.

<script>
    jwplayer("box-live").setup(
    {
        file: "http://ift.tt/1Q5xAPf",
        title: "CHAYDAN.COM", width: '728', height: '440',
        logo: {
            link: 'http://chaydan.com',
            //file: '/Content/themes/frontend/images/logo-chaydan-mini.png',
            position: 'bottom.right',
            hide: 'false',
            margin: '-35',
            linktarget: '_blank',
            hide: 'false',
            over: '10',
            out: '0.75'
        },
     });
     function loadVideo(myFile, myImage) {
         jwplayer().load([{ file: myFile, image: myImage }]);
         jwplayer().play();
     }
</script>

In javascript video url always show and end user can view source website to get video url. I don't users to be able to get this url.

How to fix it.

Thanks.