Video without player button auto play & loop

<!--video preload="preload"  id="video" autoplay="autoplay" loop="loop" -->
<video autoplay="autoplay" id="video" preload="preload" width="800" height="480">
<source src="video/t12.webm" type="video/webm"></source>
<source src="http://nucleus.fanatikapps.com/wp-content/uploads/2017/09/Sequence-02_1.mp4" type="video/mp4" height="42" width="42"></source>
</video>

Autoplay Video Youtube

<iframe width="560" height="315" src="https://www.youtube.com/embed/Kq4ZE95xSts?rel=0&autoplay=1" frameborder="0" allowfullscreen></iframe>

untuk wordpress boleh guna  https://wordpress.org/plugins/easy-video-player/
untuk mp4 autoplay