Configuração Magnific Popup

magnific-popup.js

(function($) {
    $(window).load(function () {
        // retrieved this line of code from http://dimsemenov.com/plugins/magnific-popup/documentation.html#api
        $.magnificPopup.open({
            items: {
                 src: 'https://www.youtube.com/watch?v=7eo8XpT4CmM'
               },
            type: 'iframe',
            iframe: {
                  markup: '<div class="mfp-iframe-scaler">'+
                          '<div class="mfp-close"></div>'+
                          '<iframe class="mfp-iframe" frameborder="0" allowfullscreen></iframe>'+
                          '</div>', 
                  patterns: {
                      youtube: {
                          index: 'youtube.com/', 
                          id: 'v=', 
                          src: '//www.youtube.com/embed/%id%?autoplay=1' 
                      }
                   },
                   srcAction: 'iframe_src', 
               }
        });
    });
})(jQuery);