自定义Bilibili视频播放速度（仅新版播放器，支持番剧与普通视频）
// ==UserScript==
// @name BiliBili视频速度控制
// @namespace https://github.com/NicerWang
// @version 0.4
// @description 自定义Bilibili视频播放速度（仅新版播放器，支持番剧与普通视频）
// @author NicerWang
// @match https://www.bilibili.com/video/*
// @match https://www.bilibili.com/bangumi/play/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=bilibili.com
// ==/UserScript==
(function() {
'use strict';
let speeds;
let speed = 2;
let selected = false;
let isBangumi = false;
// 番剧/普通视频检测
const getSpeeds = ()=>{
let speedsVideo = document.querySelectorAll("li.bpx-player-ctrl-playbackrate-menu-item");
let speedsBangumi = document.querySelectorAll("ul.squirtle-speed-select-list li");
isBangumi = (speedsVideo.length == 0);
speeds = speedsVideo.length == 0 ? speedsBangumi : speedsVideo;
}
// 番剧速度高亮显示
const emphasisBangumi = ()=>{
for(let i = 0; i < speeds.length; i++){
speeds[i].className = "squirtle-select-item";
}
speeds[0].className = "squirtle-select-item active";
}
// 分P/分集切换检测函数
async function registerVideoChangeHandler() {
const observer = new MutationObserver(e => {
if (e[0].target.src) {
getSpeeds();
init();
}
});
observer.observe(document.querySelector('#bilibili-player video'), {attributes:true});
}
// 初始化
let timer = setInterval(()=>{
getSpeeds();
if(speeds.length != 0){
clearInterval(timer);
// 默认恢复到1.0x
speeds[3].click();
init();
registerVideoChangeHandler();
}
},300)
// 更改自定义速度的标签名称
let speedLabelSetter = ()=>{
speeds[0].dataset.value = speed; // 用于普通视频的速度高亮显示
speeds[0].innerText = speed + 'x(自定)';
speeds[0].style.wordBreak = 'keep-all';
speeds[0].style.overflow = 'hidden';
speeds[0].style.textOverflow = 'ellipsis';
}
const init = ()=>{
speeds[0].innerText = speed + 'x(自定)';
speeds[0].onclick = function(e){
if(!selected){
// 如果没有被选中，则被正常选中
selected = true;
if(isBangumi){
player.setPlaybackRate(speed);
emphasisBangumi();
e.stopPropagation();
}
}else{
// 如果已经被选中，则弹出提示框
let input = prompt("播放速度：（输入[0.25,4.00]之内的数字）");
if(input == null){
e.stopPropagation();
return;
}
input = Number(input);
if( isNaN(input) || input < 0.25 || input > 4 ){
alert("速度超出范围");
}
else{
speed = input;
player.setPlaybackRate(speed);
}
e.stopPropagation();
}
speedLabelSetter();
};
// 切换其他速度时，取消选中状态
for(let i = 1; i < speeds.length; i++){
speeds[i].addEventListener('click',()=>{
selected = false;
})
}
// 用于番剧集数切换时保持速度高亮显示
if(selected && isBangumi){
emphasisBangumi();
}
}
})();