shopify video background autoplay

Hello, i am using a shopify theme that offers youtube integration to create background videos on homepage. On the desktop version if works 100% fine, the vide is autoplayed and you cannot pause or click on the video however on the mobile it is not autoplaying and you can easily click on the video and pause it which is really odd. Need to fix it and make it autoplay for mobile version and stop it from being clicked.