custom_video_with_overlay.php

<script>
  console.log("Block script loaded");
  var tag = document.createElement('script');

        tag.src = "https://www.youtube.com/iframe_api";
        var firstScriptTag = document.getElementsByTagName('script')[0];
        firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);

  var player;
  function onYouTubeIframeAPIReady() {
    console.log("Iframe API ready");
    player = new YT.Player('player', {
      events: {
        'onStateChange': onPlayerStateChange
      }
    });

  }

  function onPlayerStateChange( e ) {
    console.log("Player state change: ", e );
    if( e.data == 0 || e.data == 2 ){
      console.log("Video paused");
      jQuery('.video-newrona-block-overlay').removeClass('activo');
    }else if( e.data == 1 ){
      jQuery('.video-newrona-block-overlay').addClass('activo');
    }
  }

  function playVideo( e ){
    console.log("Target: ", e );
    player.playVideo()
  }

  function pauseVideo( e ){
    console.log("Target: ", e );
    player.pauseVideo()
  }

  jQuery('document').ready(function(){
    jQuery('.video-newrona-block-overlay').on('click', function(e){
      console.log("Overlay clicked");
      if( jQuery('.video-newrona-block-overlay').hasClass('activo') ){
        pauseVideo( e );
      }else{
        playVideo( e );
      }
    });
  });
</script>


<div class="video-newrona-block-container alignfull">
  <div class="video-newrona-block-overlay" style="background-image:url('<?php echo block_field( 'imagen-de-fondo' ); ?>')">
    <h1>
      <span class="icon play">
        <span class="icon_inner">
        </span>
      </span></br>
      <?php block_field( 'titulo' ) ?>
    </h1>
  </div>
  <div class="video-newrona-block">
    <iframe id="player" frameborder="0" scrolling="no" allow="autoplay" marginheight="0" marginwidth="0" width="788.54" height="443" type="text/html" src="https://www.youtube.com/embed/<?php echo get_youtube_id( block_field( 'url-video', false ) ); ?>?autoplay=0&fs=1&iv_load_policy=3&showinfo=0&rel=0&cc_load_policy=0&enablejsapi=1"></iframe>
  </div>
</div>

Nice.