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                <div id="player"></div>
<div id="controls">
  <button id="ad-toggle" disabled>
    Toggle ad playback
  <p>The button will be enabled only during ads</p>
<script async src="//"></script>
<script src="//"></script>
<script src="//"></script>
<script src="//"></script>



                @import url('//');
#player {
  max-width: 40em;
  width: 100%;
  float: left;

#controls {
  float: left;
  padding: 1em;



                      var pbjs = pbjs || {};
      pbjs.que = pbjs.que || [];

      // The ad tag in Flowplayer can be actual ad tag or promise to an ad tag.
      // We return the ad tag if it is available before the player is ready to play
      // Otherwise the player waits for 2 secs for tag to be available.
      var adtag = null
      var timeout = 2000
      var asyncTag = function() {
        if (adtag) return Promise.resolve(adtag)

        return new Promise(function (resolve) {
          setTimeout(function() {
          }, timeout)

       Prebid Video adUnit

      var videoAdUnit = {
        code: 'video1',
        sizes: [640,480],
        mediaTypes: {
          video: {
            context: "instream"
        bids: [
            bidder: 'appnexus',
            params: {
              placementId: '13232361', // Add your own placement id here
              video: {
                skipppable: true,
                playback_method: ['auto_play_sound_off']

        pbjs.addAdUnits(videoAdUnit); // add your ad units to the bid request

          debug: true,
          cache: {
            url: ''

          bidsBackHandler: function(bids) {
            var videoUrl = pbjs.adServers.dfp.buildVideoUrl({
              adUnit: videoAdUnit,
              params: {
                iu: '/19968336/prebid_cache_video_adunit',
                cust_params: {
                  section: "blog",
                  anotherKey: "anotherValue"
                output: "vast"
            adtag = videoUrl;
var player = flowplayer('#player', { 
  src: "//",
  title: "Flowplayer demo",
  description: "Demo showing ads",
  ima: {
    ads: [

var btn = document.querySelector('#ad-toggle');

btn.addEventListener('click', function() {
  if (;

function toggleDisabled(disabled) {
  return function() { btn.disabled = disabled }
}, toggleDisabled(false));, toggleDisabled(true));, toggleDisabled(true));