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