Force Flash Wmode GPU

Force flash video playback to use wmode=gpu to allow hardware acceleration, based on Mikhoul's userscripts.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name Force Flash Wmode GPU
// @namespace edsgerlin.com
// @description Force flash video playback to use wmode=gpu to allow hardware acceleration, based on Mikhoul's userscripts. 
// @author      Chin-Yuan Lin
// @version     0.0.2
// @include *
// @grant none
// ==/UserScript==

(() => {
    'use strict';
    if (!Element.prototype.matches) {
        Element.prototype.matches =
            Element.prototype.matchesSelector ||
            Element.prototype.mozMatchesSelector ||
            Element.prototype.msMatchesSelector ||
            Element.prototype.oMatchesSelector ||
            Element.prototype.webkitMatchesSelector ||
            function(s) {
            const matches = (this.document || this.ownerDocument).querySelectorAll(s);
            let i = matches.length;
            while (--i >= 0 && matches.item(i) !== this) {}
            return i > -1;
        };
    }
    new MutationObserver(mutations => {
        mutations.forEach(mutation => {
            const addedNodes = Array.from(mutation.addedNodes||[]);
            addedNodes.forEach(addedNode => {
                if (addedNode.nodeType !== Node.ELEMENT_NODE) {
                    return;
                }
                if (addedNode.matches('object[type=\'application/x-shockwave-flash\']')) {
                    addedNode.querySelector("object>param[name='wmode']").value = 'gpu';
                }
            });
        });
    }).observe(document.body, {
        childList: true,
        subtree: true
    });
})();