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 0.2.8
// @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;
}
console.log(document.getElementsByTagName('video'))
const REMEMBER_KEY = `${location.hostname}_da4e1a5f0c5b46cdadadf70af3c19f37`;
let isRememberSpeed = GM_getValue(REMEMBER_KEY, false);
const SPEED_KEY = "2779054e81654c2990dd9d2bfe9202aa";
const originSpeed = localStorage.getItem(SPEED_KEY);
let speed;
if (isNaN(originSpeed) || !originSpeed) {
speed = 1;
localStorage.setItem(SPEED_KEY, 1);
} else if (isRememberSpeed) {
speed = originSpeed;
} else {
speed = 1;
}
speed = parseFloat(parseFloat(speed).toFixed(2));
let videos;
const step = 0.05;
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();
}
}
);
}
addRememberMenu();
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);
videos.forEach((v)=>{
notify(v,"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);
videos.forEach((v)=>{
notify(v,"视频播放速度记忆功能已关闭");
})
});
}
videos = Array.prototype.slice.call(document.getElementsByTagName("video"));
new Promise((res) => {
if (!videos) {
let count = 0;
const maxCount = 3;
function _getVideo() {
setTimeout(() => {
videos = getVideo();
count++;
if (!videos && count < maxCount) {
_getVideo();
} else {
res(videos);
}
}, 1000);
}
_getVideo();
} else {
res(videos);
}
}).then((v) => {
videos = v;
syncSpeedToVideo();
});
function getVideos() {
let v;
const videoElements = Array.prototype.slice.call(document.getElementsByTagName("video"));
if (window.location.hostname === "www.bilibili.com") {
const bPlayerCollection = document.getElementsByTagName("bwp-video");
if (bPlayerCollection.length > 0) {
videoElements.push(bPlayerCollection[0]);
}
}
if (
location.hostname === "www.reddit.com" &&
window.location.pathname.match(/\/r\/\S+\/comments\/.+/)
) {
const player = document.getElementsByTagName("shreddit-player");
if (player.length > 0) {
v = player[0].shadowRoot.querySelector("video");
videoElements.push(v)
}
}
/* if (location.hostname === "www.youtube.com") {
if (v && v.className.indexOf("video-stream") === -1) {
notify('视频正在初始化，请稍候')
return null
}
} */
return videoElements;
}
function formatSpeed(s) {
s = parseFloat(s.toFixed(2));
if (s > 10) {
return 10;
}
if (s <= 0.1) {
return 0.1;
}
return s;
}
window.addEventListener("keypress", function (e) {
console.log(document.getElementsByTagName('video'))
const activeElement = this.document.activeElement;
if (
activeElement.tagName.toLowerCase() === "input" ||
activeElement.contentEditable === true ||
activeElement.tagName.toLowerCase() === "textarea"
) {
return;
}
const keyList = ['z','x','c','v']
const key = e.key.toLowerCase()
if (keyList.indexOf(key)===-1) {
return
}
// 获取video元素
videos = getVideos();
if (videos.length===0) {
return;
}
// **
if (e.key.toLowerCase() === "c") {
if (this.location.hostname === "www.youtube.com") {
return;
}
speed = speed + step;
changeSpeed(videos, formatSpeed(speed));
}
// youtube单独处理。
if (
this.location.hostname === "www.youtube.com" &&
e.key.toLowerCase() === "v"
) {
speed = speed + step;
changeSpeed(videos, formatSpeed(speed));
}
if (e.key.toLowerCase() === "x") {
speed = speed - step;
changeSpeed(videos, formatSpeed(speed));
}
if (e.key.toLowerCase() === "z") {
speed = 1;
changeSpeed(videos, formatSpeed(speed));
}
});
window.onload = function () {
const videoElements = document.getElementsByTagName("video");
if (videoElements.length === 0) return;
videos = videoElements[0];
};
function changeSpeed(videos, speed) {
videos.forEach((video)=>{
video.playbackRate = speed;
localStorage.setItem(SPEED_KEY, speed);
video.removeEventListener("playing", syncSpeedToVideo);
video.removeEventListener("play", syncSpeedToVideo);
video.addEventListener("playing", syncSpeedToVideo);
video.addEventListener("play", syncSpeedToVideo);
notify(video,video.playbackRate);
})
}
function syncSpeedToVideo() {
videos.forEach((video)=>{
setTimeout(() => {
video.playbackRate = formatSpeed(speed);
}, 1);
})
}
/* function handleVideo(video) {
if (isRememberSpeed) {
video.playbackRate = speed;
} else {
speed = video.playbackRate;
}
addRememberMenu();
video.addEventListener("ratechange", function () {
speed = video.playbackRate;
});
} */
function notify(video,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);
}
})();