IOS swift可以从TableViewCell内部获取当前可见视图

I have a TableView cell and some of the cells have videos on them which is set to to autoplay when I am scrolling and a cell has a video it plays correctly from that I know that the Current index row is working correctly. What I would like to know is how can I get the current visible row from inside the UiTableViewCell ? That way I can stop videos when a user scrolls away . This is my codeI have a TableView cell and some of the cells h