Debug with Editor

This


let playMy = true; // false respectively

function togglePlay() {
  if (playMy) {
    ps5video.pause();
    playMy = false;
  } else {
    ps5video.loop();
    playMy = true;
  }
}

and register the function in setup()

ps5video.mouseClicked(togglePlay);

(you can say ps5video.pause() or ps5video.loop in setup() afaik; set flag playMy accordingly initially)