NewPipe button, force H.264 ≤30FPS, persistent quality lock, HW acceleration and opening videos and shorts in new tab so that pressing back gets you to previous tab without reloading.
// ==UserScript==
// @name YouTube enhancer for Via
// @namespace https://viayoo.com/
// @version 1.3
// @license MIT
// @description NewPipe button, force H.264 ≤30FPS, persistent quality lock, HW acceleration and opening videos and shorts in new tab so that pressing back gets you to previous tab without reloading.
// @author jc
// @match *://*.youtube.com/*
// @match *://*.youtube-nocookie.com/*
// @match *://*.youtubekids.com/*
// @match https://m.youtube.com/*
// @exclude *://www.youtube.com/*/music*
// @exclude *://music.youtube.com/*
// @run-at document-start
// @grant none
// ==/UserScript==
(function() {
'use strict';
// 1. FORCE H.264 & ≤30 FPS EVERYWHERE
(function(){
const BAD = /webm|vp8|vp9|av01/i;
const FR = /framerate=(\d+)/;
const ms = window.MediaSource;
if (!ms) return;
const orig = ms.isTypeSupported.bind(ms);
ms.isTypeSupported = type => {
if (typeof type !== 'string' || BAD.test(type)) return false;
const m = FR.exec(type);
if (m && +m[1] > 30) return false;
return orig(type);
};
})();
// 2. GPU-KICK HACK: hidden 1×1 WebGL canvas (offscreen/no styling touch)
(function(){
try {
const c = document.createElement('canvas');
c.width = 1;
c.height = 1;
// use OffscreenCanvas if available
const ctx = (window.OffscreenCanvas
? new OffscreenCanvas(1,1).getContext('webgl')
: c.getContext('webgl'));
// we never add it to the DOM, but context init triggers GPU paths
} catch (e) {
// ignore
}
})();
// 3. YOUTUBE-ONLY: NewPipe download button
if (/^https?:\/\/(?:\w+\.)?youtube\.com/.test(location.href)) {
(function addNewPipeBtn(){
function makeBtn(){
const btn = document.createElement('div');
btn.textContent = '↓';
Object.assign(btn.style, {
position: 'fixed',
bottom: '80px',
right: '16px',
width: '44px',
height: '44px',
display: 'flex',
alignItems: 'center',
justifyContent: 'center',
fontSize: '24px',
background: '#222',
color: '#fff',
borderRadius: '50%',
boxShadow: '0 2px 10px rgba(0,0,0,0.3)',
cursor: 'pointer',
zIndex: 999999,
opacity: '0.6',
transition: 'opacity .2s, transform .2s'
});
btn.addEventListener('mouseenter', ()=> btn.style.opacity='1');
btn.addEventListener('mouseleave', ()=> btn.style.opacity='0.6');
btn.addEventListener('click', ()=>{
let id = new URL(location.href).searchParams.get('v');
if (!id) {
const m = location.pathname.match(/\/shorts\/([^\/?&]+)/);
id = m && m[1];
}
if (id) {
location.href = `intent://www.youtube.com/watch?v=${id}#Intent;scheme=https;package=org.schabi.newpipe;end`;
}
});
document.body.appendChild(btn);
}
if (document.body) makeBtn();
else new MutationObserver((_, obs)=>{
if (document.body) {
obs.disconnect();
makeBtn();
}
}).observe(document.documentElement,{childList:true});
})();
// 4. YOUTUBE-ONLY: Persistent quality locker
(function(){
const KEY = 'yt_quality_preference';
// watch menu for clicks on “240p, 360p, …”
new MutationObserver(()=>{
document.querySelectorAll('.ytp-menuitem-label')
.forEach(el=>{
if (/^\d+p$/.test(el.textContent)) {
el.addEventListener('click',()=>{
localStorage.setItem(KEY, el.textContent);
},{once:true});
}
});
}).observe(document.documentElement,{childList:true,subtree:true});
const apply = ()=>{
const q = localStorage.getItem(KEY);
if (!q) return;
const setQ = ()=>{
const vid = document.querySelector('video');
const player =
vid?.player_ ||
window.ytplayer?.config?.args ||
(window.yt && yt.player && yt.player.getPlayerByElement &&
yt.player.getPlayerByElement(document.querySelector('#movie_player')));
try {
player?.setPlaybackQuality(q);
player?.setPlaybackQualityRange?.(q);
} catch(e){}
};
const t = setInterval(setQ, 1000);
setTimeout(()=> clearInterval(t), 8000);
};
document.addEventListener('yt-navigate-finish', apply);
window.addEventListener('load', apply);
})();
// 5. YOUTUBE-ONLY MOBILE: open video links in new tab
if (/^https?:\/\/m\.youtube\.com/.test(location.href)) {
document.body.addEventListener('click', e=>{
const a = e.target.closest('a[href]');
if (!a) return;
const u = a.href;
if ((u.includes('/watch?v=') || u.includes('/shorts/'))
&& !a.closest('ytm-pivot-bar-renderer')
&& !a.closest('ytm-player-controls-overlay-renderer')
&& !a.closest('.player-controls-middle')) {
e.preventDefault();
e.stopPropagation();
window.open(u, '_blank');
}
}, true);
}
}
})();