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按下z减速，按下x加速，按下c回1倍速。加减速倍率为0.2，会记住之前的播放速度
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// ==UserScript==
// @name B站倍播快捷键_好用!
// @version 1.0
// @description 按下z减速，按下x加速，按下c回1倍速。加减速倍率为0.2，会记住之前的播放速度
// @author Alan996
// @icon https://i1.hdslb.com/bfs/face/a809a3b8407840ae00032360108261fcf503d38a.jpg@96w_96h_1c_1s.webp
// @include https://www.bilibili.com/*
// @match https://www.bilibili.com/video/*
// @namespace hahahahahahahahalahahahahahaha
// @grant none
// @license GPL
//thanks for @tomoya92 @csXLJ
// ==/UserScript==
(function () {
"use strict";
const THIRD_VIDEO_PLUGIN_DANMU_STATUS = "third_video_plugin_danmu_status";
const THIRD_VIDEO_PLUGIN_SPEED = "a_third_video_plugin_speed";
const THIRD_VIDEO_PLUGIN_SPEEDS = "a_third_video_plugin_speeds";
let videoSpeedElement = document.createElement("div"),
currentHref = "",
viewReportDiv;
videoSpeedElement.setAttribute("id", "video_speed_div");
let style = document.createElement("style");
style.type = "text/css";
style.innerHTML = "#video_speed_div button, #third_video_plugin_btn { outline: 0; padding: 3px 5px; margin-left: 10px; background-color: #e2e0e0; border: 0; color: #222; cursor: pointer;} .video_speed_div-button-active { border: 0!important; background-color: #ffafc9!important; color: #fff!important; }";
document.getElementsByTagName("head").item(0).appendChild(style);
let _interval = setInterval(function () {
if (document.querySelector(".bb-comment") && document.getElementById("video_speed_div") === null) {
addSpeedBtns();
}
}, 100);
function keyd(e) {
let speed;
let a_third_video_plugin_speed = localStorage.getItem(THIRD_VIDEO_PLUGIN_SPEED);
if (!a_third_video_plugin_speed) {
a_third_video_plugin_speed = "1";
localStorage.setItem(THIRD_VIDEO_PLUGIN_SPEED, a_third_video_plugin_speed);
speed = parseFloat(a_third_video_plugin_speed);
} else {
speed = parseFloat(a_third_video_plugin_speed);
}
var video = document.querySelector('.bilibili-player-video-inner');
if (e.key == "x") {
if (speed == 16) {
speed = 16;
} else {
speed = speed + 0.25;
localStorage.setItem(THIRD_VIDEO_PLUGIN_SPEED, speed.toString());
}
} else if (e.key == "z") {
if (speed == 0) {
speed = 0;
} else {
speed = speed - 0.25;
localStorage.setItem(THIRD_VIDEO_PLUGIN_SPEED, speed.toString());
}
} else if (e.key == "c") {
speed = 1;
localStorage.setItem(THIRD_VIDEO_PLUGIN_SPEED, speed.toString());
}
}
document.body.removeEventListener('keydown', keyd);
document.body.addEventListener('keydown', keyd);
function addSpeedBtns() {
viewReportDiv = document.querySelector("#viewbox_report").querySelector(".video-data:last-child");
// 创建一个设置倍速的按钮
let speedsettingsbtn = document.createElement("button");
speedsettingsbtn.innerHTML = " S ";
speedsettingsbtn.style.backgroundColor = "black";
speedsettingsbtn.style.color = "white";
speedsettingsbtn.setAttribute("id", "third_video_plugin_btn");
speedsettingsbtn.addEventListener("click", speedsettingsevent);
viewReportDiv.appendChild(speedsettingsbtn);
initBtn();
videoSpeedElement.style.width = "100%";
videoSpeedElement.style.height = "24px";
viewReportDiv.appendChild(videoSpeedElement);
clearInterval(_interval);
// 加载之间已经设置的速度, 在同一个页面中切换视频后，设置的速度就没了，这里用一个定时器，200ms设置一下
setInterval(function () {
let a_third_video_plugin_speed = localStorage.getItem(THIRD_VIDEO_PLUGIN_SPEED);
if (!a_third_video_plugin_speed) {
a_third_video_plugin_speed = "1";
localStorage.setItem(THIRD_VIDEO_PLUGIN_SPEED, a_third_video_plugin_speed);
}
// 设置倍速按钮高亮
hightlightBtn(a_third_video_plugin_speed);
let videoObj = document.querySelector("video");
if (!videoObj) videoObj = document.querySelector("bwp-video");
if (videoObj) {
videoObj.playbackRate = parseFloat(a_third_video_plugin_speed);
let nextBtn = document.querySelector(".bilibili-player-iconfont-next");
if (nextBtn) {
let currentTime = videoObj.currentTime;
let totalTime = videoObj.duration;
if (totalTime - currentTime < 0.5) {
// 视频还剩500ms的时候自动跳转到下一个视频，防止出现充电界面
document.querySelector(".bilibili-player-iconfont-next").click();
}
}
let broswerPath = window.location.href;
if (currentHref !== broswerPath) {
currentHref = broswerPath;
pageContentChange();
}
let switchBtn = document.querySelector(".bilibili-player-video-danmaku-switch");
if (switchBtn) switchBtn.addEventListener("click", danmuClickHandler, false);
}
}, 200);
}
function danmuClickHandler(e) {
if (e.isTrusted) {
let span = document.querySelector(".bilibili-player-video-danmaku-switch>.choose_danmaku");
if (span.textContent === "开启弹幕") {
writeDanmuStatus(1);
} else {
writeDanmuStatus(2);
}
}
}
function initBtn() {
let speedArr = getStorageSpeeds();
if (speedArr.length === 0) {
speedArr = [0.5, 1, 1.5, 2, 2.5, 3, 4, 5, 16];
localStorage.setItem(THIRD_VIDEO_PLUGIN_SPEEDS, speedArr.join(","));
}
for (let i = 0; i < speedArr.length; i++) {
let speed = speedArr[i];
let btn = document.createElement("button");
btn.innerHTML = "x" + speed;
btn.style.width = "40px";
btn.setAttribute("id", "third_video_plugin_btn_" + speed);
btn.addEventListener("click", changeVideoSpeed);
videoSpeedElement.appendChild(btn);
}
}
function getStorageSpeeds() {
let storageSpeeds = localStorage.getItem(THIRD_VIDEO_PLUGIN_SPEEDS);
if (!storageSpeeds) return [];
return storageSpeeds.split(",");
}
function speedsettingsevent() {
let a = window.prompt("输入倍速，以英文逗号隔开。", getStorageSpeeds().join(","));
if (!a) return;
a = a.replace(/\s+/g, "");
let speeds = a.split(",");
for (let i = 0; i < speeds.length; i++) {
let speed = parseInt(speeds[i]);
if (isNaN(speed)) return;
}
localStorage.setItem(THIRD_VIDEO_PLUGIN_SPEEDS, a);
// clear btns
let btns_length = videoSpeedElement.childNodes.length;
for (let i = 0; i < btns_length; i++) {
let btn = videoSpeedElement.childNodes[0];
videoSpeedElement.removeChild(btn);
}
let storageSpeed = localStorage.getItem(THIRD_VIDEO_PLUGIN_SPEED);
if (speeds.indexOf(storageSpeed) === -1) localStorage.setItem(THIRD_VIDEO_PLUGIN_SPEED, "1");
// add new btns
initBtn();
}
function pageContentChange() {
setTimeout(function () {
// 弹幕设置
let storageDanmuStatus = localStorage.getItem(THIRD_VIDEO_PLUGIN_DANMU_STATUS);
if (!storageDanmuStatus) {
storageDanmuStatus = 1; // 默认开启
writeDanmuStatus(1);
}
if (parseInt(storageDanmuStatus) !== 1) {
document.querySelector(".bui-checkbox").click();
}
}, 1000);
}
function writeDanmuStatus(status) {
if (status === 1 || status === 2) {
localStorage.setItem(THIRD_VIDEO_PLUGIN_DANMU_STATUS, status);
}
}
function changeVideoSpeed(e) {
let speed = parseFloat(e.target.innerHTML.replace("x", ""));
localStorage.setItem(THIRD_VIDEO_PLUGIN_SPEED, speed);
hightlightBtn(speed);
}
function hightlightBtn(speed) {
let currentSpeedBtn = document.getElementById("third_video_plugin_btn_" + speed);
if (currentSpeedBtn && currentSpeedBtn.className.indexOf("video_speed_div-button-active") === -1) {
for (let i = 0; i < videoSpeedElement.childNodes.length; i++) {
let btn = videoSpeedElement.childNodes[i];
btn.setAttribute("class", "");
}
currentSpeedBtn.setAttribute("class", "video_speed_div-button-active");
}
}
})();