Смена слайдера при окончании видео

< script type = "text/javascript" >
  var slideWrapper = $(".main-slider"),
    iframes = slideWrapper.find('.embed-player'),
    lazyImages = slideWrapper.find('.slide-image'),
    lazyCounter = 0;

// POST commands to YouTube or Vimeo API
function postMessageToPlayer(player, command) {
  if (player == null || command == null) return;
  player.contentWindow.postMessage(JSON.stringify(command), "*");
}

// When the slide is changing
function playPauseVideo(slick, control) {
  var currentSlide, slideType, startTime, player, video;

  currentSlide = slick.find(".slick-current");
  slideType = currentSlide.attr("class").split(" ")[1];
  player = currentSlide.find("iframe").get(0);
  startTime = currentSlide.data("video-start");

  if (slideType === "vimeo") {
    switch (control) {
      case "play":
        if ((startTime != null && startTime > 0) && !currentSlide.hasClass('started')) {
          currentSlide.addClass('started');
          postMessageToPlayer(player, {
            "method": "setCurrentTime",
            "value": startTime
          });
        }
        postMessageToPlayer(player, {
          "method": "play",
          "value": 0
        });
        break;
      case "pause":
        postMessageToPlayer(player, {
          "method": "pause",
          "value": 0
        });
        break;
    }
  } else if (slideType === "video") {
    video = currentSlide.children("video").get(0);
    if (video != null) {
      if (control === "play") {
        video.play();
      } else {
        video.pause();
      }
    }
  }
}

// Resize player
function resizePlayer(iframes, ratio) {
  if (!iframes[0]) return;
  var win = $(".main-slider"),
    width = win.width(),
    playerWidth,
    height = win.height(),
    playerHeight,
    ratio = ratio || 16 / 9;

  iframes.each(function() {
    var current = $(this);
    if (width / ratio < height) {
      playerWidth = Math.ceil(height * ratio);
      current.width(playerWidth).height(height).css({
        left: (width - playerWidth) / 2,
        top: 0
      });
    } else {
      playerHeight = Math.ceil(width / ratio);
      current.width(width).height(playerHeight).css({
        left: 0,
        top: (height - playerHeight) / 2
      });
    }
  });
}

// DOM Ready
$(function() {
  // Initialize
  slideWrapper.on("init", function(slick) {
    slick = $(slick.currentTarget);
    setTimeout(function() {
      playPauseVideo(slick, "play");
    }, 1000);
    resizePlayer(iframes, 16 / 9);
  });
  slideWrapper.on("beforeChange", function(event, slick) {
    slick = $(slick.$slider);
    playPauseVideo(slick, "pause");
  });
  slideWrapper.on("afterChange", function(event, slick) {
    slick = $(slick.$slider);
    playPauseVideo(slick, "play");
  });
  slideWrapper.on("lazyLoaded", function(event, slick, image, imageSource) {
    lazyCounter++;
    if (lazyCounter === lazyImages.length) {
      lazyImages.addClass('show');
      // slideWrapper.slick("slickPlay");
    }
  });

  //start the slider
  slideWrapper.slick({
    // fade:true,
    autoplaySpeed: 4000,
    lazyLoad: "progressive",
    speed: 600,
    arrows: false,
    dots: true,
    cssEase: "cubic-bezier(0.87, 0.03, 0.41, 0.9)"
  });
});

// Resize event
$(window).on("resize.slickVideoPlayer", function() {
  resizePlayer(iframes, 16 / 9);
}); <
/script>

<section class="main-slider">
  <div class="item vimeo" data-video-start="4">
    <video autoplay muted loop>
       <source src="/assets/video.mp4" type="video/mp4">
    </video>
  </div>
  <div class="item vimeo">
    <video autoplay muted controls>
       <source src="/assets/video-1.mp4" type="video/mp4">
    </video>
  </div>
</section>