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Speed+

Speed / Pitch changer control bar for YouTube

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Speed+
// @version      1.0.3
// @description  Speed / Pitch changer control bar for YouTube
// @author       Caassiiee
// @match        http*://www.youtube.com/watch*
// @icon64        data:image/png;base64,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
// @grant        none
// @license      MPL-2.0
// @namespace    Caassiiee
// ==/UserScript==
function waitForElement(guaranteedParent, selector) {
    /**
        Waits for a given element to exist.
        @param {Element} guaranteedParent - A parent that will always exist (to be watched)
        @param {string} selector - A CSS selector for the element to wait for
    **/
    return new Promise(resolve => {
        const o = new MutationObserver(() => { // watch for descendants being added
            let el = document.querySelector(selector);
            if (el) {
                resolve(el || null);
                o.disconnect(); // stop watching
            }
        });
        o.observe(guaranteedParent || document.body, {
            childList: true,
            subtree: true
        });
    });
}
 
(function() {
    'use strict';
    const container = document.createElement("div");
    container.id = "ytspeed-container";
    container.innerHTML = '<p class="bold" style="font-size:2rem">Speed+</p><input type="range" min="0.1" max="8" value="1" step="0.1" id="ytspeed-slider" list="ytspeed-list">'+
        '<datalist id="ytspeed-list" display="none"><option value="0.5"></option><option value="1"></option><option value="2"></option><option value="4"></option><option value="8"></option></option></datalist>'+
        '<p id="ytspeed-label">1x</p><label for="ytspeed-pitch">Preserve pitch</label><input type="checkbox" id="ytspeed-pitch" checked><p style="margin-top:1vh;">✧</p>';
    const style = document.createElement("style");
    style.innerText = `
    #ytspeed-container {font-size:1.2rem;}
    #ytspeed-container{background:var(--yt-spec-badge-chip-background);width:75%;padding:2vh;margin:2vh auto;border-radius:12px;text-align:center;}
    #ytspeed-label{margin-bottom:1vh;}
    #ytspeed-slider{width:100%;margin-top:1vh;background:transparent;height:2vh;}
 
    #ytspeed-slider::-moz-range-track{background:var(--yt-spec-10-percent-layer);}
    #ytspeed-slider::-webkit-slider-runnable-track{background:var(--yt-spec-10-percent-layer);}
 
    #ytspeed-slider::-moz-range-thumb{background:var(--yt-spec-themed-blue);height:12px;width:12px;transition:.1s;border:transparent;border-radius:50%;}
    #ytspeed-slider::-webkit-slider-thumb{background:var(--yt-spec-themed-blue);height:12px;width:12px;transition:.1s;border:transparent;border-radius:50%;}
    #ytspeed-slider:hover::-moz-range-thumb{height:18px;width:18px;}
    #ytspeed-slider:hover::-webkit-slider-thumb{height:18px;width:18px;}
    #ytspeed-slider::-moz-range-progress{background:var(--yt-spec-themed-blue);}
    `; // various styles
 
    document.head.appendChild(style);
    let slider = container.querySelector("#ytspeed-slider"),
        label = container.querySelector("#ytspeed-label"),
        pitch = container.querySelector("#ytspeed-pitch");
 
    waitForElement(null, "#bottom-row").then(e => { // make sure the element immediately below the container exists
        e.insertAdjacentElement("beforebegin", container);
        const video = document.querySelector("video");
        const observer = new MutationObserver((changes)=> { // resets the speed & stuff when the video changes (doesn't reload bottom part of video)
            changes.forEach(function(mutation) {
                if (mutation.type === "attributes" && mutation.attributeName === "src") {
                    pitch.checked = true;
                    video.preservesPitch = true;
                    slider.value = 1;
                    video.playbackRate = 1;
                    label.innerText = "1x";
                }
            });
        });
        observer.observe(video, {
            attributes: true
        });
        pitch.onchange = () => { video.preservesPitch = pitch.checked; }; // "Preserves pitch" checkbox
        slider.oninput = () => { video.playbackRate = parseFloat(slider.value);label.innerText = slider.value + "x"; }; // Slider
    });
})();