Easy Slider : how did you loop videos on slider ?

Hi,
I would like to know how did you loop these video on easy slider ?
Like this : http://kriesi.at/themes/enfold/homepage/home-v9-videos-and-parallax/

I used youtube videos but when these videos are read at 100%, they don’t loopback and play again. I have a black screen…

Did you use html5 video or Vimeo or youtube ?

thank you very much,
Best regards