VideoObject - schema.org

Cod HTML:
<video poster=".../poster.jpg" controls="controls" itemprop="video" itemscope itemtype="http://schema.org/VideoObject">
    <source src=".../video.mp4" type="video/mp4">
    <meta itemprop="name" content="My video title" />
    <meta itemprop="description" content="My video description" />
    <meta itemprop="thumbnailUrl" content=".../thumbnail.jpg">
    <meta itemprop="duration" content="PT04M30S">
    <meta itemprop="width" content="480">
    <meta itemprop="height" content="360">
    <meta itemprop="uploadDate" content="2016-09-06" />
</video>