speed up video on any site
// ==UserScript==
// @name video, faster
// @namespace Violentmonkey Scripts
// @include *://*/*
// @exclude https://*svelte.dev*
// @grant none
// @version 5.3
// @author KraXen72
// @description speed up video on any site
// @grant GM_registerMenuCommand
// @grant GM_unregisterMenuCommand
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_addStyle
// @license MIT
// ==/UserScript==
const jumpVal = 5
const rates = [1, 1.5, 1.75, 2, 2.25, 2.5, 2.75, 3, 3.5]
const commands = {}
const barAborts = {}
// css & ui stuff
let vfStyleTag = null
const btnDefaults = { classList: "userscript-simple-btn" }
const vfCSS = /*css*/`
div.userscript-video-top-bar {
box-sizing: border-box;
background-color: black;
color: white;
width: 100%;
height: 22px;
padding: 0 16px;
display: grid;
column-gap: 16px;
grid-template-columns: max-content max-content 1fr;
grid-template-rows: min-content;
overflow-x: auto;
transition: opacity 0.2s ease-in-out;
scrollbar-width: none;
pointer-events: auto;
}
.userscript-video-top-bar::-webkit-scrollbar { display: none }
.userscript-video-top-bar button,
.userscript-simple-btn {
margin: 0 3px;
height: 100%;
padding: 2px;
font-size: 14px !important;
line-height: 14px !important;
width: max-content;
}
.userscript-bar-wrap {
display: flex !important;
position: relative !important;
height: 22px !important;
padding: 2px 0px !important;
box-sizing: border-box;
}
.userscript-simple-btn {
background: #262626 !important;
border: 1px solid #191919 !important;
border-radius: 2px;
font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, 'DejaVu Sans Mono', monospace;
font-weight: normal;
}
.userscript-simple-btn,
.userscript-simple-btn:hover,
.userscript-simple-btn:active {
color: white !important;
background-image: none !important;
box-sizing: border-box !important;
box-shadow: none !important;
text-shadow: none !important;
}
.userscript-simple-btn:hover {
background: #303030 !important;
border-color: #383838 !important;
}
.userscript-simple-btn:active { opacity: 0.8; }
.userscript-hl-rate.userscript-simple-btn,
.userscript-hl-rate.userscript-simple-btn:hover,
.userscript-hl-rate.userscript-simple-btn:active {
background-color: #3aa99fb2 !important;
border-color: #3aa99f !important;
}
.userscript-bar-separator {
border-left: 2px solid #616161e5;
width: 0px;
margin: 0 6px;
}
.userscript-cb-wrap {
display: flex;
white-space: nowrap;
padding: 0 3px;
align-items: center;
}
.userscript-cb-wrap,
.userscript-cb-wrap > * {
width: max-content;
margin-top: 0;
margin-bottom: 0;
user-select: none;
}
.userscript-cb-wrap > *:not(::last-child) {
margin-right: 3px;
}
.userscript-speed-display {
min-width: 0;
max-width: max-content;
pointer-events: none;
}
`
const pageCSS = /*css*/`
.userscript-hoverinv { opacity: 0; }
.userscript-hoverinv:hover { opacity: 1 }
.userscript-video-shadow-host {
box-sizing: border-box;
position: absolute;
top: 0;
left: 0;
z-index: 100 !important;
width: 100% !important;
height: 22px !important;
transition: opacity 0.2s ease-in-out !important;
pointer-events: none;
}
.userscript-video-shadow-host::-webkit-scrollbar { display: none }
`
function ensureCSSInjected() {
if (vfStyleTag !== null) return;
vfStyleTag = GM_addStyle(pageCSS)
}
function checkBox(emoji, valueKey = "", title = "", defaultv = false) {
const wrap = document.createElement("span")
wrap.classList.add("userscript-simple-btn", "userscript-cb-wrap")
wrap.textContent = emoji
wrap.onclick = cancelEvent
if (title) wrap.title = title
const cb = Object.assign(document.createElement("input"), { type: "checkbox" })
cb.style.marginLeft = "7px"
cb.checked = valueKey ? GM_getValue(valueKey, defaultv) : false
cb.onclick = (e) => {
if (!valueKey) return;
e.stopPropagation();
GM_setValue(valueKey, e.target.checked)
}
wrap.appendChild(cb)
return wrap
}
for (const r of rates) { commands[`${r}x`] = () => playbackRate(r) }
// utils
function get_uuid() {
return window.btoa(String(new Date().getTime()))
}
function cancelEvent(e) {
if (!e || e == null) return;
e.preventDefault()
e.stopPropagation()
}
// functions
function get_restoreSpeed(video) {
const lastSpeed = GM_getValue("lastSpeed", 0)
return {
lastSpeed,
restoreSpeed: () => playbackRate(Number(lastSpeed), null, video)
}
}
function playbackRate(rate, e = null, video = null) {
if (e != null) cancelEvent(e);
const targetVideo = video || document.querySelector('video');
if (targetVideo) {
targetVideo.playbackRate = rate;
// Store the last rate we set
targetVideo._lastSetRate = rate;
}
GM_setValue("lastSpeed", rate);
}
function ff(vid = null, e) {
cancelEvent(e);
vid.currentTime += jumpVal;
}
function rw(vid = null, e) {
cancelEvent(e);
vid.currentTime -= jumpVal;
}
function pp(vid = null, e) { // play-pause
cancelEvent(e);
if (vid.paused) { vid.play() } else { vid.pause() }
}
function setupYouTubeNavigationListener(video) {
// Check if we're on YouTube
if (!window.location.hostname.includes('youtube.com')) return;
// Listen for YouTube's navigation event
document.addEventListener('yt-navigate-finish', (evt) => {
// console.log("yt-navigate-finish", evt);
// playlists get cross-refresh speed continuity regardless of rememberSpeed
if (!window.location.href.includes("list=")) return;
const lastSpeed = GM_getValue("lastSpeed", 1);
setTimeout(() => {
if (video && video.playbackRate !== lastSpeed) {
video.playbackRate = lastSpeed;
console.log(`Reapplied speed (${lastSpeed}x) after navigation`);
}
}, 1); // delay: Small delay to ensure video is ready
});
}
function addVideoTopBar(video) {
if (video.dataset.vfUserscriptBar) return;
if (video.previousElementSibling !== null && video.previousElementSibling.classList.contains("userscript-video-top-bar")) return;
if (video.parentElement === document.body && [...video.parentElement.children].filter(node => node.nodeName && node.nodeName.toLowerCase() === "video").length === 1) return; // don't inject auto-generated video sites ???
ensureCSSInjected()
const videoUUID = get_uuid()
barAborts[videoUUID] = new AbortController()
const rateButtons = {} // so they're bound to the current bar
const pe = video.parentElement
// don't inject to shorts hover previews (might not work)
if (pe.parentElement && pe.parentElement.classList.contains("ytp-inline-preview-mode") && pe.parentElement.classList.contains("ytp-tiny-mode")) return;
// setting mode to "open" for now, not sure how well would the abortcontrollers or shadowHost hoverinv toggling work without it
// if it causes, trouble, we can set it to closed later
const shadowHost = document.createElement('div')
const shadow = shadowHost.attachShadow({ mode: "open" });
shadowHost.classList.add("userscript-video-shadow-host")
const topBar = document.createElement('div');
topBar.classList.add('userscript-video-top-bar')
const styleSheet = new CSSStyleSheet();
styleSheet.replaceSync(vfCSS)
shadow.adoptedStyleSheets.push(styleSheet);
const shouldBePinned = GM_getValue("pinned", false)
if (!shouldBePinned) shadowHost.classList.add("userscript-hoverinv");
const leftdiv = Object.assign(document.createElement("div"), { classList: "userscript-bar-wrap" })
const centerdiv = Object.assign(document.createElement("div"), { classList: "userscript-bar-wrap" })
const rightdiv = Object.assign(document.createElement("div"), { classList: "userscript-bar-wrap", style: "justify-content: end" })
for (const r of rates) {
const btn = document.createElement("button")
btn.textContent = `${r}x`
btn.classList = "userscript-simple-btn"
btn.dataset.rate = r
btn.onclick = (e) => playbackRate(Number(r), e, video)
rateButtons[String(r)] = btn
leftdiv.appendChild(btn)
}
centerdiv.appendChild(Object.assign(document.createElement("button"),
{...btnDefaults, textContent: "<<", onclick: (e) => rw(video, e), title:`rewind ${jumpVal}s` }
));
centerdiv.appendChild(Object.assign(document.createElement("button"),
{...btnDefaults, textContent: "⏯", onclick: (e) => pp(video, e), title:`play/pause` }
));
centerdiv.appendChild(Object.assign(document.createElement("button"),
{...btnDefaults, textContent: ">>", onclick: (e) => ff(video, e), title:`forward ${jumpVal}s` }
));
const fallbackRateDisplay = Object.assign(document.createElement("span"), {
classList: "userscript-speed-display userscript-simple-btn",
textContent: `${video.playbackRate}x`,
style: "opacity: 0"
})
// console.log(barAborts[videoUUID], barAborts[videoUUID].signal, videoUUID)
video.addEventListener("ratechange", (e) => {
const _rate = video?.playbackRate ?? e?.target?.playbackRate ?? 1; // current rate
fallbackRateDisplay.textContent = `${_rate}x`
shadow.querySelectorAll(".userscript-hl-rate").forEach(el => el.classList.remove("userscript-hl-rate"))
if (rates.includes(_rate)) {
fallbackRateDisplay.style.opacity = 0
rateButtons[String(_rate)].classList.add("userscript-hl-rate")
console.log("ratechange", _rate, rateButtons[String(_rate)], rateButtons[String(_rate)].classList.toString())
} else {
fallbackRateDisplay.style.opacity = 1
}
}, { signal: barAborts[videoUUID].signal })
rightdiv.appendChild(fallbackRateDisplay)
rightdiv.appendChild(checkBox("💾🐇", "rememberSpeed", "remember video speed across sites."))
rightdiv.appendChild(Object.assign(document.createElement("button"), {
...btnDefaults,
onclick: function(e) {
cancelEvent(e);
shadowHost.classList.toggle("userscript-hoverinv");
const isPinned = !shadowHost.classList.contains("userscript-hoverinv")
this.textContent = isPinned ? "📍" : "📌"
this.title = isPinned ? "unpin" : "pin"
GM_setValue("pinned", isPinned)
},
textContent: shouldBePinned ? "📍": "📌",
title: shouldBePinned ? "unpin" : "pin",
style: "postition: relative;"
}))
topBar.appendChild(leftdiv)
topBar.appendChild(centerdiv)
topBar.appendChild(rightdiv)
video.dataset.vfUserscriptBar = videoUUID
// topBar.dataset.vfUserscriptFor = videoUUID
shadowHost.id = `vf-userscript-bar-${videoUUID}`
// small video, yeet paddings
if (video.clientWidth < 540) {
topBar.style.paddingLeft = "4px";
topBar.style.paddingRight = "4px";
topBar.querySelectorAll(".userscript-bar-wrap").forEach(wrapper => { Object.assign(wrapper.style, { paddingLeft: 0, paddingRight: 0 })})
topBar.style.columnGap = "8px"
}
// decide where to insert the video bar & insert it
shadow.appendChild(topBar)
if ([...pe.children].filter(node => node.nodeName && node.nodeName.toLowerCase() === "video").length > 1) { // wrapper-less videos
shadowHost.style.position = "relative"
video.addEventListener("resize", () => {
shadowHost.style.width = `${video.clientWidth}px`;
}, { signal: barAborts[videoUUID].signal })
shadowHost.style.width = `${video.clientWidth}px`;
pe.insertBefore(shadowHost, video);
} else { // yt / yt embeds
if (pe.classList.contains("html5-video-container") && (
(pe?.parentElement?.classList?.contains("ytp-embed") ?? false) ||
(Array.from(pe?.parentElement?.classList) ?? []).some(cl => cl.startsWith("ytp-"))
)) {
pe.parentElement.insertBefore(shadowHost, pe);
} else { // rest
if (pe.style.position !== 'relative') pe.style.position = 'relative'
pe.insertBefore(shadowHost, video);
}
}
const { lastSpeed, restoreSpeed } = get_restoreSpeed(video)
// console.log(lastSpeed, restoreSpeed)
if (GM_getValue("rememberSpeed", false) && lastSpeed) {
if (!!video.paused) {
video.addEventListener("play",
() => {
if (GM_getValue("rememberSpeed", false) === false) return;
const { restoreSpeed } = get_restoreSpeed(video)
setTimeout(restoreSpeed, 1) // hopefully run after any external code
},
{ once: true, signal: barAborts[videoUUID].signal }
)
video.addEventListener("loadeddata",
() => {
if (GM_getValue("rememberSpeed", false) === false) return;
const { lastSpeed, restoreSpeed } = get_restoreSpeed(video)
setTimeout(() => { if (video.playbackRate !== Number(lastSpeed)) restoreSpeed() }, 1)
},
{ once: true, signal: barAborts[videoUUID].signal }
)
} else {
restoreSpeed()
}
}
setupYouTubeNavigationListener(video);
// site specific fixes
if (window.location.origin === 'https://www.prageru.com') { video.style.height = 'unset' }
console.log(`injected bar for newly added video, id: ${video.dataset.vfUserscriptBar}`)
}
// use a mutationObserver to auto-inject bars for any new videos
let observer = null;
if (observer === null) {
observer = new MutationObserver(MOCallback)
observer.observe(document.body, { childList: true, subtree: true });
} else {
console.log("observer is already defined:", observer, "restarting it...")
observer.disconnect() // script has re-ran, but the observer is defined. restart observer to be safe
observer.observe(document.body, { childList: true, subtree: true })
}
function MOCallback(mutationsList, observer) {
for(const mutation of mutationsList) {
if (mutation.type !== 'childList') continue;
mutation.addedNodes.forEach(node => {
if (node.tagName && node.tagName.toLowerCase() === 'video') addVideoTopBar(node);
});
mutation.removedNodes.forEach(node => {
if (!node.tagName || node.tagName.toLowerCase() !== "video") return;
const uuid = node.dataset.vfUserscriptBar
if (!uuid) return;
try {
document.getElementById(`vf-userscript-bar-${uuid}`).remove();
barAborts[uuid].abort();
} catch (e) {
console.warn(`couldn't remove bar id: ${uuid}, was likely removed by site`);
}
if (uuid in barAborts) delete barAborts[uuid];
})
}
};
GM_registerMenuCommand('force add bars to all videos', () => document.querySelectorAll("video").forEach(addVideoTopBar));
document.querySelectorAll("video").forEach(addVideoTopBar)