<meta itemprop="duration" content="PT{DAKIKA}M{SANIYE}S" />
<meta itemprop="thumbnailUrl" content="{RESIM_URL}" />
<meta itemprop="contentURL" content="{KALICI_BAGLANTI}" />
<meta itemprop="embedURL" content="{EMBED_URL}" />
<meta itemprop="uploadDate" content="{UPLOAD DATE}" /> //print gmdate("Y-m-d\TH:i:sO", $yuklenme_zamani);

<div itemscope itemtype="http://schema.org/VideoObject">
  <span itemprop="name">Title of video</span>
  <span itemprop="description">Video description</span>
  <img itemprop="thumbnailUrl" src="https://www.example.com/thumbnail1.jpg" alt="thumbnail text"/>
  <meta itemprop="uploadDate" content="2015-02-05T08:00:00+08:00"/>
  <meta itemprop="duration" content="PT1M33S" />
  <link itemprop="contentUrl" href="http://www.example.com/video123.flv" />
  <link itemprop="embedUrl" href="http://www.example.com/videoplayer.swf?video=123" />
  <meta itemprop="interactionCount" content="2347" />
</div>