https://scavolini.studio/theme/Education/js/video-bg.js

1var min_w = 300;
2var vid_w_orig;
3var vid_h_orig;
4
5$(function() {
6
7    vid_w_orig = parseInt($('video').attr('width'));
8    vid_h_orig = parseInt($('video').attr('height'));
9
10    $(window).resize(function () { fitVideo(); });
11    $(window).trigger('resize');
12
13});
14
15function fitVideo() {
16
17    $('.video-viewport').width($('.fullsize-video-bg').width());
18    $('.video-viewport').height($('.fullsize-video-bg').height());
19
20    var scale_h = $('.fullsize-video-bg').width() / vid_w_orig;
21    var scale_v = $('.fullsize-video-bg').height() / vid_h_orig;
22    var scale = scale_h > scale_v ? scale_h : scale_v;
23
24    if (scale * vid_w_orig < min_w) {scale = min_w / vid_w_orig;};
25
26    $('video').width(scale * vid_w_orig);
27    $('video').height(scale * vid_h_orig);
28
29    $('.video-viewport').scrollLeft(($('video').width() - $('.fullsize-video-bg').width()) / 2);
30    $('.video-viewport').scrollTop(($('video').height() - $('.fullsize-video-bg').height()) / 2);
31
32};