/*
MIT License
Copyright 2021-2023 CY Fung
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
// ==UserScript==
// @name YouTube CPU Tamer by AnimationFrame
// @name:ja YouTube CPU Tamer by AnimationFrame
// @name:zh-TW YouTube CPU Tamer by AnimationFrame
// @namespace http://tampermonkey.net/
// @version 2024.05.13.0
// @license MIT License
// @author CY Fung
// @match https://www.youtube.com/*
// @match https://www.youtube.com/embed/*
// @match https://www.youtube-nocookie.com/embed/*
// @match https://www.youtube.com/live_chat*
// @match https://www.youtube.com/live_chat_replay*
// @match https://music.youtube.com/*
// @exclude /^https?://\S+\.(txt|png|jpg|jpeg|gif|xml|svg|manifest|log|ini)[^\/]*$/
// @icon https://raw.githubusercontent.com/cyfung1031/userscript-supports/main/icons/youtube-cpu-tamper-by-animationframe.webp
// @supportURL https://github.com/cyfung1031/userscript-supports
// @run-at document-start
// @grant none
// @unwrap
// @allFrames true
// @inject-into page
// @description Reduce Browser's Energy Impact for playing YouTube Video
// @description:en Reduce Browser's Energy Impact for playing YouTube Video
// @description:ja YouTubeビデオのエネルギーインパクトを減らす
// @description:zh-TW 減少YouTube影片所致的能源消耗
// @description:zh-CN 减少YouTube影片所致的能源消耗
// @description:ko YouTube 비디오 재생 시 브라우저의 에너지 영향을 줄입니다.
// @description:ru Снижает энергетическое воздействие браузера при воспроизведении видео на YouTube.
// @description:af Verminder die energie-impak van die blaaier vir YouTube-video speel
// @description:az YouTube videolarını oynamaq üçün Brauzer enerji təsirini azaldır
// @description:id Kurangi Dampak Energi Browser untuk memutar Video YouTube
// @description:ms Kurangkan Impak Tenaga Pelayar untuk memainkan Video YouTube
// @description:bs Smanji energetski uticaj preglednika za reprodukciju YouTube videa
// @description:ca Redueix l'impacte energètic del navegador per reproduir vídeos de YouTube
// @description:cs Snížit energetický dopad prohlížeče při přehrávání videí na YouTube
// @description:da Reducer browserens energipåvirkning for at afspille YouTube-video
// @description:de Reduzieren Sie die Energieauswirkungen des Browsers für die Wiedergabe von YouTube-Videos
// @description:et Vähendage YouTube'i video esitamiseks brauseri energiamõju
// @description:es Reduzca el impacto energético del navegador al reproducir videos de YouTube
// @description:eu Gutxitu nabigatzeko energiaren eragina YouTube bideoak erreproduzitzeko
// @description:fr Réduire l'impact énergétique du navigateur lors de la lecture de vidéos YouTube
// @description:gl Reduzca o impacto enerxético do navegador para reproducir vídeos de YouTube
// @description:hr Smanjite energetski utjecaj preglednika za reprodukciju YouTube videa
// @description:zu Qaqalitsha Umbono We-Energy we-Browser ukuze udlale i-Video ye-YouTube
// @description:is Minkaðu orkuáhrif vafra til að spila YouTube myndband
// @description:it Riduci l'impatto energetico del browser per la riproduzione di video di YouTube
// @description:sw Punguza Athari ya Nishati ya Kivinjari kwa kucheza Video za YouTube
// @description:lv Samaziniet pārlūkprogrammas enerģijas ietekmi YouTube video atskaņošanai
// @description:lt Sumažinkite naršyklės energijos poveikį žaidžiant „YouTube“ vaizdo įrašus
// @description:hu Csökkentse a böngésző energiaterhelését a YouTube videó lejátszásához
// @description:nl Verminder de energie-impact van de browser bij het afspelen van YouTube-video's
// @description:uz YouTube videoni tinglash uchun brauzer energiyasi ta'sirini kamaytirish
// @description:pl Zmniejsz zużycie energii przeglądarki podczas odtwarzania filmów na YouTube
// @description:pt Reduza o Impacto Energético do Navegador ao reproduzir Vídeos do YouTube
// @description:pt-BR Reduza o Impacto Energético do Navegador ao reproduzir Vídeos do YouTube
// @description:ro Reduceți impactul energetic al browser-ului pentru redarea videoclipurilor YouTube
// @description:sq Zvogëlo ndikimin e energjisë të shfletuesit për luajtjen e video YouTube
// @description:sk Znížte energetický dopad prehliadača pri prehrávaní videí na YouTube
// @description:sl Zmanjšajte energijski vpliv brskalnika pri predvajanju videoposnetkov YouTube
// @description:sr Smanjite energetski uticaj pregledača za reprodukciju YouTube videa
// @description:fi Vähennä selaimen energiankulutusta YouTube-videoiden toistossa
// @description:sv Minska webbläsarens energipåverkan för att spela YouTube-video
// @description:vi Giảm tác động năng lượng của trình duyệt khi phát Video YouTube
// @description:tr YouTube Videolarını Oynatırken Tarayıcının Enerji Etkisini Azaltın
// @description:be Змяншыце энергетычны ўплыў браўзара на прайграванне YouTube-відэа
// @description:bg Намалете енергийния влияние на браузъра при възпроизвеждане на видео в YouTube
// @description:ky YouTube видеонун ойнотуусунан башкаруу үчүн браузердеги энергиялык турмуштарды көмүштөштүрүү
// @description:kk YouTube-дың браузерде көрсету мүмкіндігін көмеге қысқартыңыз
// @description:mk Намалете ја енергетската присутност на пребарувачот за репродукција на YouTube видео
// @description:mn YouTube видеогийг тоглуулж буй хөтөчийн энерги хүчинг буурах
// @description:uk Зменште енергетичний вплив браузера на відтворення відео на YouTube
// @description:el Μειώστε την ενεργειακή επίδραση του προγράμματος περιήγησης για την αναπαραγωγή βίντεο στο YouTube
// @description:hy Փոքրանալիքայինը դանդարեցրեք բրաուզերի էներգիայի ազդեցությունը YouTube վիդեոների ներածման դեպքում
// @description:ur یوٹیوب ویڈیو کھیلنے کے لئے براؤزر کی توانائی پر اثر کم کریں
// @description:ar تقليل تأثير استهلاك الطاقة لمتصفح تشغيل مقاطع فيديو يوتيوب
// @description:fa کاهش تأثیر انرژی مرورگر برای پخش ویدئوی یوتیوب
// @description:ne युट्युब भिडियो खेल्नका लागि ब्राउजरको ऊर्जा प्रभाव कम गर्नुहोस्
// @description:mr YouTube व्हिडिओ चालवण्यासाठी ब्राउझरचे ऊर्जाचे प्रभाव कमी करा
// @description:hi यूट्यूब वीडियो चलाने के लिए ब्राउज़र की ऊर्जा प्रभाव को कम करें
// @description:as YouTube ভিডিঅ' প্ৰশ্ন কৰা ব্ৰাউজাৰৰ শক্তিৰ প্ৰভাৱ কমিয়া দিব
// @description:bn YouTube ভিডিও চালাতে ব্রাউজারের শক্তি প্রভাব কমান
// @description:pa YouTube ਵਿਡੀਓ ਚਲਾਉਣ ਲਈ ਬਰਾਉਜ਼ਰ ਦੀ ਊਰਜਾ ਪ੍ਰਭਾਵ ਘਟਾਓ
// @description:gu YouTube વિડિઓ ચલાવવા માટે બ્રાઉઝરનું ઊર્જા પ્રભાવ ઘટાડો
// @description:or YouTube ଭିଡିଓ ଚାଲାନ୍ତୁ ପାଇଁ ବ୍ରାଉଜରର ଶକ୍ତି ପ୍ରଭାବ କମାନ୍ତୁ
// @description:ta யூடியூப் வீடியோவை இயக்குவதற்கான உலாவியின் மிக்க விளைவுகளை குறைக்கவும்
// @description:te YouTube వీడియోను ప్రసారం చేయడానికి బ్రౌజర్ యొక్క శక్తి ప్రభావాన్ని తగ్గించుకోండి
// @description:kn YouTube ವೀಡಿಯೊಗಳನ್ನು ಪ್ರದರ್ಶಿಸಲು ಬ್ರೌಸರ್ ಯನ್ನು ಉಪಯೋಗಿಸುವಾಗ ಶಕ್ತಿ ಪ್ರಭಾವವನ್ನು ಕಡಿಮೆಗೊಳಿಸಿ
// @description:ml YouTube വീഡിയോ പ്രവർത്തിപ്പിക്കുവാൻ ബ്രൗസർയുടെ പ്രഭാവം കുറയ്ക്കുക
// @description:si YouTube වීඩියෝ චාරිකා කිරීම සඳහා බ්රවුසරයේ ඊම්ජි බලන්න
// @description:th ลดผลกระทบทางพลังงานของเบราว์เซอร์ในการเล่นวิดีโอ YouTube
// @description:lo ບຣາຣິໂຄດລາວເອີ້ນໃນການເພີ່ມເວັບວຽກຂອງ YouTube ສຳ ລັບການຂະໜາດໃນການເພີ່ມເວັບວຽກ
// @description:my YouTube ဗီဒီယိုများကို ဖွင့်ရန် Browser အတွက် Energy Impact ကိုအနိုင်ရန်
// @description:ka YouTube ვიდეოების დაკვრებისას ბრაუზერის ენერგიის შეცვლა
// @description:am YouTube ቪዲዮዎችን ለመቀነስ የባህሪውን አርእስት ግንኙነት ማድረግ
// @description:km បង្កើតការធ្វើបរិមាណលំអិតរបស់ការកំណត់ការដាក់នៅលើសម្ពាធរបស់ប្រព័ន្ធបញ្ចូលបន្ទាត់ YouTube
// ==/UserScript==
/* jshint esversion:8 */
((__CONTEXT__) => {
'use strict';
const win = this instanceof Window ? this : window;
// Create a unique key for the script and check if it is already running
const hkey_script = 'nzsxclvflluv';
if (win[hkey_script]) throw new Error('Duplicated Userscript Calling'); // avoid duplicated scripting
win[hkey_script] = true;
/** @type {globalThis.PromiseConstructor} */
const Promise = (async () => { })().constructor; // YouTube hacks Promise in WaterFox Classic and "Promise.resolve(0)" nevers resolve.
const PromiseExternal = ((resolve_, reject_) => {
const h = (resolve, reject) => { resolve_ = resolve; reject_ = reject };
return class PromiseExternal extends Promise {
constructor(cb = h) {
super(cb);
if (cb === h) {
/** @type {(value: any) => void} */
this.resolve = resolve_;
/** @type {(reason?: any) => void} */
this.reject = reject_;
}
}
};
})();
const isGPUAccelerationAvailable = (() => {
// https://gist.github.com/cvan/042b2448fcecefafbb6a91469484cdf8
try {
const canvas = document.createElement('canvas');
return !!(canvas.getContext('webgl') || canvas.getContext('experimental-webgl'));
} catch (e) {
return false;
}
})();
if (!isGPUAccelerationAvailable) {
throw new Error('Your browser does not support GPU Acceleration. YouTube CPU Tamer by AnimationFrame is skipped.');
}
const timeupdateDT = (() => {
window.__j6YiAc__ = 1;
document.addEventListener('timeupdate', () => {
window.__j6YiAc__ = Date.now();
}, true);
let kz = -1;
try {
kz = top.__j6YiAc__;
} catch (e) {
}
return kz >= 1 ? () => top.__j6YiAc__ : () => window.__j6YiAc__;
})();
const cleanContext = async (win) => {
const waitFn = requestAnimationFrame; // shall have been binded to window
try {
let mx = 16; // MAX TRIAL
const frameId = 'vanillajs-iframe-v1'
let frame = document.getElementById(frameId);
let removeIframeFn = null;
if (!frame) {
frame = document.createElement('iframe');
frame.id = frameId;
const blobURL = typeof webkitCancelAnimationFrame === 'function' && typeof kagi === 'undefined' ? (frame.src = URL.createObjectURL(new Blob([], { type: 'text/html' }))) : null; // avoid Brave Crash
frame.sandbox = 'allow-same-origin'; // script cannot be run inside iframe but API can be obtained from iframe
let n = document.createElement('noscript'); // wrap into NOSCRPIT to avoid reflow (layouting)
n.appendChild(frame);
while (!document.documentElement && mx-- > 0) await new Promise(waitFn); // requestAnimationFrame here could get modified by YouTube engine
const root = document.documentElement;
root.appendChild(n); // throw error if root is null due to exceeding MAX TRIAL
if (blobURL) Promise.resolve().then(() => URL.revokeObjectURL(blobURL));
removeIframeFn = (setTimeout) => {
const removeIframeOnDocumentReady = (e) => {
e && win.removeEventListener("DOMContentLoaded", removeIframeOnDocumentReady, false);
e = n;
n = win = removeIframeFn = 0;
setTimeout ? setTimeout(() => e.remove(), 200) : e.remove();
}
if (!setTimeout || document.readyState !== 'loading') {
removeIframeOnDocumentReady();
} else {
win.addEventListener("DOMContentLoaded", removeIframeOnDocumentReady, false);
}
}
}
while (!frame.contentWindow && mx-- > 0) await new Promise(waitFn);
const fc = frame.contentWindow;
if (!fc) throw "window is not found."; // throw error if root is null due to exceeding MAX TRIAL
try {
const { requestAnimationFrame, setInterval, setTimeout, clearInterval, clearTimeout } = fc;
const res = { requestAnimationFrame, setInterval, setTimeout, clearInterval, clearTimeout };
for (let k in res) res[k] = res[k].bind(win); // necessary
if (removeIframeFn) Promise.resolve(res.setTimeout).then(removeIframeFn);
return res;
} catch (e) {
if (removeIframeFn) removeIframeFn();
return null;
}
} catch (e) {
console.warn(e);
return null;
}
};
cleanContext(win).then(__CONTEXT__ => {
if (!__CONTEXT__) return null;
const { requestAnimationFrame, setTimeout, setInterval, clearTimeout, clearInterval } = __CONTEXT__;
/** @type {Function|null} */
let afInterupter = null;
const getRAFHelper = () => {
const asc = document.createElement('a-f');
if (!('onanimationiteration' in asc)) {
return (resolve) => requestAnimationFrame(afInterupter = resolve);
}
asc.id = 'a-f';
let qr = null;
asc.onanimationiteration = function () {
if (qr !== null) qr = (qr(), null);
}
if (!document.getElementById('afscript')) {
const style = document.createElement('style');
style.id = 'afscript';
style.textContent = `
@keyFrames aF1 {
0% {
order: 0;
}
100% {
order: 1;
}
}
#a-f[id] {
visibility: collapse !important;
position: fixed !important;
display: block !important;
top: -100px !important;
left: -100px !important;
margin:0 !important;
padding:0 !important;
outline:0 !important;
border:0 !important;
z-index:-1 !important;
width: 0px !important;
height: 0px !important;
contain: strict !important;
pointer-events: none !important;
animation: 1ms steps(2, jump-none) 0ms infinite alternate forwards running aF1 !important;
}
`;
(document.head || document.documentElement).appendChild(style);
}
document.documentElement.insertBefore(asc, document.documentElement.firstChild);
return (resolve) => (qr = afInterupter = resolve);
};
/** @type {(resolve: () => void)} */
const rafPN = getRAFHelper(); // rAF will not execute if document is hidden
(() => {
let afPromiseP, afPromiseQ; // non-null
afPromiseP = afPromiseQ = { resolved: true }; // initial state for !uP && !uQ
let afix = 0;
const afResolve = async (rX) => {
await new Promise(rafPN);
rX.resolved = true;
const t = ++afix;
if (t > 9e9) afix = 9;
return rX.resolve(t), t;
};
const eFunc = async () => {
const uP = !afPromiseP.resolved ? afPromiseP : null;
const uQ = !afPromiseQ.resolved ? afPromiseQ : null;
let t = 0;
if (uP && uQ) {
const t1 = await uP;
const t2 = await uQ;
t = t1 > t2 && t1 - t2 < 8e9 ? t1 : t2;
} else {
const vP = !uP ? (afPromiseP = new PromiseExternal()) : null;
const vQ = !uQ ? (afPromiseQ = new PromiseExternal()) : null;
if (uQ) await uQ; else if (uP) await uP;
if (vP) t = await afResolve(vP);
if (vQ) t = await afResolve(vQ);
}
return t;
}
const inExec = new Set();
const wFunc = async (handler, wStore) => {
try {
const ct = Date.now();
if (ct - timeupdateDT() < 800 && ct - wStore.dt < 800) {
const cid = wStore.cid;
inExec.add(cid);
const t = await eFunc();
const didNotRemove = inExec.delete(cid); // true for valid key
if (!didNotRemove || t === wStore.lastExecution) return;
wStore.lastExecution = t;
}
wStore.dt = ct;
handler();
} catch (e) {
console.error(e);
throw e;
}
};
const sFunc = (propFunc) => {
return (func, ms = 0, ...args) => {
if (typeof func === 'function') { // ignore all non-function parameter (e.g. string)
const wStore = { dt: Date.now() };
return (wStore.cid = propFunc(wFunc, ms, (args.length > 0 ? func.bind(null, ...args) : func), wStore));
} else {
return propFunc(func, ms, ...args);
}
};
};
win.setTimeout = sFunc(setTimeout);
win.setInterval = sFunc(setInterval);
const dFunc = (propFunc) => {
return (cid) => {
if (cid) inExec.delete(cid) || propFunc(cid);
};
};
win.clearTimeout = dFunc(clearTimeout);
win.clearInterval = dFunc(clearInterval);
try {
win.setTimeout.toString = setTimeout.toString.bind(setTimeout);
win.setInterval.toString = setInterval.toString.bind(setInterval);
win.clearTimeout.toString = clearTimeout.toString.bind(clearTimeout);
win.clearInterval.toString = clearInterval.toString.bind(clearInterval);
} catch (e) { console.warn(e) }
})();
let mInterupter = null;
setInterval(() => {
if (mInterupter === afInterupter) {
if (mInterupter !== null) afInterupter = mInterupter = (mInterupter(), null);
} else {
mInterupter = afInterupter;
}
}, 125);
});
})(null);
