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HTML

              
                <div id="demo">
  <img class="boke" src="https://source.unsplash.com/user/erondu" alt="фон">
  <div class="bg-image-cover"></div>
</div>

<script src="//code.jquery.com/jquery-3.0.0.min.js"></script>
<script src="src/jquery.youtubebackground.js"></script>
              
            
!

CSS

              
                body {
  margin: 0;
}

#demo {
  position: relative;
  overflow: hidden;
  padding-top: 260px;
  padding-bottom: 260px;
  background: transparent;
}
.boke {
  position: absolute;
  object-fit: cover;
  top: 0;
  width: 100%;
  height: 100%;
}
.ytplayer-container {
  position: absolute;
  z-index: 0;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.ytplayer-player {
  position: absolute;
  top: 50%;
  left: 0;
  max-width: none;
  -webkit-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
}
.bg-image-cover {
  position: absolute;
  z-index: 1;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.5;
  background: #444 url(https://c.radikal.ru/c06/1809/60/ed3ac1815a4b.png);
}

              
            
!

JS

              
                (function($) {
  "use strict";

  jQuery(document).ready(function() {
    $("#demo").YTPlayer({
      videoId: "X_LrrqVrLe4"
    });
  });
})(jQuery);
/*
 * YoutubeBackground - A wrapper for the Youtube API - Great for fullscreen background videos or just regular videos.
 *
 * Licensed under the MIT license:
 *   http://www.opensource.org/licenses/mit-license.php
 *
 *
 * Version:  1.0.5
 *
 */

// Chain of Responsibility pattern. Creates base class that can be overridden.
if (typeof Object.create !== "function") {
  Object.create = function(obj) {
    function F() {}
    F.prototype = obj;
    return new F();
  };
}

(function($, window, document) {
  var loadAPI = function loadAPI(callback) {
      // Load Youtube API
      var tag = document.createElement("script"),
        head = document.getElementsByTagName("head")[0];

      if (window.location.origin == "file://") {
        tag.src = "http://www.youtube.com/iframe_api";
      } else {
        tag.src = "//www.youtube.com/iframe_api";
      }

      head.appendChild(tag);

      // Clean up Tags.
      head = null;
      tag = null;

      iframeIsReady(callback);
    },
    iframeIsReady = function iframeIsReady(callback) {
      // Listen for Gobal YT player callback
      if (
        typeof YT === "undefined" &&
        typeof window.loadingPlayer === "undefined"
      ) {
        // Prevents Ready Event from being called twice
        window.loadingPlayer = true;

        // Creates deferred so, other players know when to wait.
        window.dfd = $.Deferred();
        window.onYouTubeIframeAPIReady = function() {
          window.onYouTubeIframeAPIReady = null;
          window.dfd.resolve("done");
          callback();
        };
      } else if (typeof YT === "object") {
        callback();
      } else {
        window.dfd.done(function(name) {
          callback();
        });
      }
    };

  // YTPlayer Object
  YTPlayer = {
    player: null,

    // Defaults
    defaults: {
      ratio: 16 / 9,
      videoId: "LSmgKRx5pBo",
      mute: true,
      repeat: true,
      width: $(window).width(),
      playButtonClass: "YTPlayer-play",
      pauseButtonClass: "YTPlayer-pause",
      muteButtonClass: "YTPlayer-mute",
      volumeUpClass: "YTPlayer-volume-up",
      volumeDownClass: "YTPlayer-volume-down",
      start: 0,
      pauseOnScroll: false,
      fitToBackground: true,
      playerVars: {
        iv_load_policy: 3,
        modestbranding: 1,
        autoplay: 1,
        controls: 0,
        showinfo: 0,
        wmode: "opaque",
        branding: 0,
        autohide: 0
      },
      events: null
    },

    /**
     * @function init
     * Intializes YTPlayer object
     */
    init: function init(node, userOptions) {
      var self = this;

      self.userOptions = userOptions;

      (self.$body = $("body")),
        (self.$node = $(node)),
        (self.$window = $(window));

      // Setup event defaults with the reference to this
      self.defaults.events = {
        onReady: function(e) {
          self.onPlayerReady(e);

          // setup up pause on scroll
          if (self.options.pauseOnScroll) {
            self.pauseOnScroll();
          }

          // Callback for when finished
          if (typeof self.options.callback == "function") {
            self.options.callback.call(this);
          }
        },
        onStateChange: function(e) {
          if (e.data === 1) {
            self.$node.find("img").fadeOut(400);
            self.$node.addClass("loaded");
          } else if (e.data === 0 && self.options.repeat) {
            // video ended and repeat option is set true
            self.player.seekTo(self.options.start);
          }
        }
      };

      self.options = $.extend(true, {}, self.defaults, self.userOptions);
      self.options.height = Math.ceil(self.options.width / self.options.ratio);
      self.ID = new Date().getTime();
      self.holderID = "YTPlayer-ID-" + self.ID;

      if (self.options.fitToBackground) {
        self.createBackgroundVideo();
      } else {
        self.createContainerVideo();
      }
      // Listen for Resize Event
      self.$window.on("resize.YTplayer" + self.ID, function() {
        self.resize(self);
      });

      loadAPI(self.onYouTubeIframeAPIReady.bind(self));

      self.resize(self);

      return self;
    },

    /**
     * @function pauseOnScroll
     * Adds window events to pause video on scroll.
     */
    pauseOnScroll: function pauseOnScroll() {
      var self = this;
      self.$window.on("scroll.YTplayer" + self.ID, function() {
        var state = self.player.getPlayerState();
        if (state === 1) {
          self.player.pauseVideo();
        }
      });
      self.$window.scrollStopped(function() {
        var state = self.player.getPlayerState();
        if (state === 2) {
          self.player.playVideo();
        }
      });
    },

    /**
     * @function createContainerVideo
     * Adds HTML for video in a container
     */
    createContainerVideo: function createContainerVideo() {
      var self = this;

      /*jshint multistr: true */
      var $YTPlayerString = $(
        '<div id="ytplayer-container' +
          self.ID +
          '" >\
                                    <div id="' +
          self.holderID +
          '" class="ytplayer-player-inline"></div>\
                                    </div> \
                                    <div id="ytplayer-shield" class="ytplayer-shield"></div>'
      );

      self.$node.append($YTPlayerString);
      self.$YTPlayerString = $YTPlayerString;
      $YTPlayerString = null;
    },

    /**
     * @function createBackgroundVideo
     * Adds HTML for video background
     */
    createBackgroundVideo: function createBackgroundVideo() {
      /*jshint multistr: true */
      var self = this,
        $YTPlayerString = $(
          '<div id="ytplayer-container' +
            self.ID +
            '" class="ytplayer-container background">\
                                    <div id="' +
            self.holderID +
            '" class="ytplayer-player"></div>\
                                    </div>\
                                    <div id="ytplayer-shield" class="ytplayer-shield"></div>'
        );

      self.$node.append($YTPlayerString);
      self.$YTPlayerString = $YTPlayerString;
      $YTPlayerString = null;
    },

    /**
     * @function resize
     * Resize event to change video size
     */
    resize: function resize(self) {
      //var self = this;
      var container = $(window);

      if (!self.options.fitToBackground) {
        container = self.$node;
      }

      var width = container.width(),
        pWidth, // player width, to be defined
        height = container.height(),
        pHeight, // player height, tbd
        $YTPlayerPlayer = $("#" + self.holderID);

      // when screen aspect ratio differs from video, video must center and underlay one dimension
      if (width / self.options.ratio < height) {
        pWidth = Math.ceil(height * self.options.ratio); // get new player width
        $YTPlayerPlayer
          .width(pWidth)
          .height(height)
          .css({
            left: (width - pWidth) / 2
          }); // player width is greater, offset left; reset top
      } else {
        // new video width < window width (gap to right)
        pHeight = Math.ceil(width / self.options.ratio); // get new player height
        $YTPlayerPlayer
          .width(width)
          .height(pHeight)
          .css({
            left: 0
          }); // player height is greater, offset top; reset left
      }

      $YTPlayerPlayer = null;
      container = null;
    },

    /**
     * @function onYouTubeIframeAPIReady
     * @ params {object} YTPlayer object for access to options
     * Youtube API calls this function when the player is ready.
     */
    onYouTubeIframeAPIReady: function onYouTubeIframeAPIReady() {
      var self = this;
      self.player = new window.YT.Player(self.holderID, self.options);
    },

    /**
     * @function onPlayerReady
     * @ params {event} window event from youtube player
     */
    onPlayerReady: function onPlayerReady(e) {
      if (this.options.mute) {
        e.target.mute();
      }
      e.target.playVideo();
    },

    /**
     * @function getPlayer
     * returns youtube player
     */
    getPlayer: function getPlayer() {
      return this.player;
    },

    /**
     * @function destroy
     * destroys all!
     */
    destroy: function destroy() {
      var self = this;

      self.$node
        .removeData("yt-init")
        .removeData("ytPlayer")
        .removeClass("loaded");

      self.$YTPlayerString.remove();

      $(window).off("resize.YTplayer" + self.ID);
      $(window).off("scroll.YTplayer" + self.ID);
      self.$body = null;
      self.$node = null;
      self.$YTPlayerString = null;
      self.player.destroy();
      self.player = null;
    }
  };

  // Scroll Stopped event.
  $.fn.scrollStopped = function(callback) {
    var $this = $(this),
      self = this;
    $this.scroll(function() {
      if ($this.data("scrollTimeout")) {
        clearTimeout($this.data("scrollTimeout"));
      }
      $this.data("scrollTimeout", setTimeout(callback, 250, self));
    });
  };

  // Create plugin
  $.fn.YTPlayer = function(options) {
    return this.each(function() {
      var el = this;

      $(el).data("yt-init", true);
      var player = Object.create(YTPlayer);
      player.init(el, options);
      $.data(el, "ytPlayer", player);
    });
  };
})(jQuery, window, document);

              
            
!
999px

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