Force highest quality playback for Twitter videos.
Od
// ==UserScript==
// @name Video Quality Fixer for Twitter
// @name:en Video Quality Fixer for Twitter
// @name:zh Twitter 视频画质修复
// @name:zh-CN Twitter 视频画质修复
// @namespace https://github.com/flyhaozi
// @version 0.1.1
// @description Force highest quality playback for Twitter videos.
// @description:en Force highest quality playback for Twitter videos.
// @description:zh 强制 Twitter 播放最高画质的视频
// @description:zh-CN 强制 Twitter 播放最高画质的视频
// @author flyhaozi
// @match https://twitter.com/*
// @grant unsafeWindow
// ==/UserScript==
(function() {
var realOpen = unsafeWindow.XMLHttpRequest.prototype.open;
unsafeWindow.XMLHttpRequest.prototype.open = function() {
var url = arguments['1'];
url.startsWith("https://video.twimg.com")
&& url.includes("m3u8?tag=")
&& this.addEventListener('readystatechange', function(e) {
if ( this.readyState === 4 ) {
var originalText = e.target.responseText;
var lines = originalText.split(new RegExp('\\r?\\n'));
var modifiedText = lines[0] + '\r\n'
+ lines[1] + '\r\n'
+ lines[lines.length - 3] + '\r\n'
+ lines[lines.length - 2] + '\r\n';
console.log("■ Video Quality Fixer for Twitter ■");
console.log("playlist: "+ url + "\n" + "best quality: " + lines[lines.length - 3]);
Object.defineProperty(this, 'response', {writable: true});
Object.defineProperty(this, 'responseText', {writable: true});
this.response = this.responseText = modifiedText;
}
});
return realOpen.apply(this, arguments);
};
// add a mark helps identify if userscript loaded successfully
var sign = document.createElement("div");
sign.innerText = "HD";
sign.style = "position: fixed; right: 0; bottom: 0; color: grey";
document.querySelector('body').appendChild(sign);
})();