HTML 5 Video

<video poster="PATH-TO-STILL-IMAGE" autoplay="autoplay" loop="loop" controls controlslist="nodownload" webkitallowfullscreen mozallowfullscreen allowfullscreen width="640" height="360">
    <source src="https://www.youtube.com/watch?v=6Yq4GE3tkoM" type="video/mp4"></video>