Auto pause video in Avia slider when not visible

Hello,

On a page I have added a full screen slider (via the Avia layout builder) with one slide containing a vimeo video that automatically plays after the page has loaded. Is there an easy way to automatically pause the video while the video is not visible on screen when scrolling and to continue playing it when it is visible again ?

I read the similar thread https://kriesi.at/support/topic/how-to-auto-stop-a-vimeo-video-in-the-full-screen-slider/ but it didn’t help me much a) because I don’t know where in my child theme folder to integrate the jquery code and b) because it shows how to pause/stop the video via clicking on a button rather than when the video is visible/invisible.

Thanks alot in advance.