Speed+

Speed / Pitch changer control bar for YouTube

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==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
    });
})();