除youtube以外按c加速，按x减速，按z复位，youtube按v加速。点击右上角油猴按钮可开关视频速度记忆功能。
当前为
// ==UserScript==
// @name 视频倍速工具
// @namespace http://tampermonkey.net/
// @version 0.2.5
// @description 除youtube以外按c加速，按x减速，按z复位，youtube按v加速。点击右上角油猴按钮可开关视频速度记忆功能。
// @author call duck
// @match *://*/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=bilibili.com
// @grant GM_registerMenuCommand
// @grant GM_unregisterMenuCommand
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_addValueChangeListener
// @run-at document-end
// @license MIT
// ==/UserScript==
// 使用方法：除youtube以外按c加速，按x减速，按z复位，youtube按v加速。
(function () {
"use strict";
if (window.innerWidth < 100) {
return;
}
const REMEMBER_KEY = `${location.hostname}_da4e1a5f0c5b46cdadadf70af3c19f37`;
const SPEED_KEY = "2779054e81654c2990dd9d2bfe9202aa";
const originSpeed = localStorage.getItem(SPEED_KEY);
let isRememberSpeed = GM_getValue(REMEMBER_KEY, false);
let menuId;
function addRememberMenu() {
if (!isRememberSpeed) {
addOpenRememberMenu();
} else {
addCloseRememberMenu();
}
GM_addValueChangeListener(
REMEMBER_KEY,
function name(key, oldValue, newValue) {
GM_unregisterMenuCommand(menuId);
if (newValue === true) {
addCloseRememberMenu();
} else {
addOpenRememberMenu();
}
}
);
}
async function addOpenRememberMenu() {
if (menuId) GM_unregisterMenuCommand(menuId);
menuId = await GM.registerMenuCommand("打开视频速度记忆功能", async () => {
GM_setValue(REMEMBER_KEY, true);
notify("视频播放速度记忆功能已打开");
});
}
async function addCloseRememberMenu() {
if (menuId) GM_unregisterMenuCommand(menuId);
menuId = await GM.registerMenuCommand("关闭视频速度记忆功能", async () => {
GM_setValue(REMEMBER_KEY, false);
notify("视频播放速度记忆功能已关闭");
});
}
let video;
let speed = originSpeed || 1;
video = document.getElementsByTagName("video")[0];
new Promise((res) => {
if (!video) {
let count = 0;
const maxCount = 3;
function getVideo() {
setTimeout(() => {
video = document.getElementsByTagName("video")[0];
if (window.location.hostname==='www.reddit.com') { // reddit特殊处理
const player =document.querySelector('shreddit-player')
if (player) {
video = player.shadowRoot.querySelector('video');
}
}
count++;
if (!video && count < maxCount) {
getVideo();
} else {
res(video);
}
}, 1000);
}
getVideo();
} else {
res(video);
}
}).then((video) => {
handleVideo(video);
});
/* document.addEventListener('click', (e) => {
console.log(e.target)
videos = Array.from(document.getElementsByTagName('video'))
for (let i = 0; i < videos.length; i++) {
const v = videos[i];
handleVideo(v)
}
})
function findVideoInDom(dom) {
var v = dom.getElementsByTagName('video')[0]
if (!v && !dom.shadowRoot) {
return null
}
if (!v && dom.shadowRoot) {
findVideoInDom(dom.shadowRoot)
}
}
*/
function changeSpeed(video, speed) {
video.playbackRate = speed;
localStorage.setItem(SPEED_KEY, speed);
notify(video.playbackRate);
}
function handleVideo(video) {
if (video && video.tagName && video.tagName.toLowerCase() === "video") {
const step = 0.05;
if (isRememberSpeed) {
video.playbackRate = speed;
} else {
speed = video.playbackRate;
}
addRememberMenu()
video.addEventListener("ratechange", function () {
speed = video.playbackRate;
});
window.addEventListener("keypress", function (e) {
const activeElement = this.document.activeElement;
if (
activeElement.tagName.toLowerCase() === "input" ||
activeElement.contentEditable === true ||
activeElement.tagName.toLowerCase() === "textarea"
) {
return;
}
if (e.key.toLowerCase() === "c") {
if (this.location.hostname === "www.youtube.com") {
return;
}
speed = Math.round((speed + step) * 100) / 100;
changeSpeed(video, speed);
}
// youtube单独处理。
if (
this.location.hostname === "www.youtube.com" &&
e.key.toLowerCase() === "v"
) {
speed = Math.round((speed + step) * 100) / 100;
changeSpeed(video, speed);
}
if (e.key.toLowerCase() === "x") {
speed = Math.round((speed - step) * 100) / 100;
changeSpeed(video, speed);
}
if (e.key.toLowerCase() === "z") {
speed = 1;
changeSpeed(video, speed);
}
});
video.addEventListener("playing", () => {
setTimeout(() => {
video.playbackRate = speed;
}, 1);
});
video.addEventListener("play", () => {
setTimeout(() => {
video.playbackRate = speed;
}, 1);
});
}
}
function notify(msg) {
const className = "edbe85b469d47a8833b84e259864e33";
const box = document.createElement("div");
box.className = className;
box.style.background = "#333";
box.style.color = "#fff";
box.style.padding = "8px 20px";
box.style.position = "fixed";
box.style.margin = "auto";
box.style.left = "50%";
box.style.top = "60px";
box.style.transform = "translateX(-50%)";
box.style.borderRadius = "5px";
box.style.zIndex = "10000";
box.style.fontSize = "16px";
box.innerHTML = msg;
const oldBox = document.querySelectorAll("." + className);
if (oldBox.length) {
oldBox.forEach((b) => {
b.remove();
});
}
if (video && document.fullscreenElement) {
video.parentElement.appendChild(box);
} else {
document.body.appendChild(box);
}
setTimeout(() => {
box.remove();
}, 2000);
}
})();