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bilibili播放视频倍速自定义，与原生按钮兼容，自动记忆
目前为
// ==UserScript==
// @name bilibili播放视频倍速自定义（原生按钮，支持0-16倍速）
// @namespace dzj0821
// @version 1.1
// @description bilibili播放视频倍速自定义，与原生按钮兼容，自动记忆
// @author dzj0821
// @include http*://*bilibili.com/video/*
// @include http*://*bilibili.com/list/*
// @include http*://*bilibili.com/bangumi/*
// @grant GM_registerMenuCommand
// @grant GM_unregisterMenuCommand
// @license MIT
// ==/UserScript==
(function () {
"use strict";
//bilibili播放器限制，改这里也没用
let SPEED_MIN_VALUE = 0
let SPEED_MAX_VALUE = 16
function getSpeedSetting() {
let defaultValue = ["0.5", "0.75", "1.0", "1.25", "1.5", "2.0", "3.0", "4.0"]
try {
let setting = localStorage.getItem("dz_bilibili_video_custom_speed_setting")
if (!setting) {
return defaultValue
}
let arr = setting.split(" ")
for (var value of arr) {
let speed = parseFloat(value)
if (isNaN(speed) || speed == 0 || speed < SPEED_MIN_VALUE || speed > SPEED_MAX_VALUE) {
return defaultValue
}
}
return arr
} catch (err) {
return defaultValue
}
}
function updateSpeedSetting(){
let input = window.prompt("输入想显示的倍速，以空格分隔：", getSpeedSetting().join(" "))
let arr = input.split(" ")
for (var value of arr) {
let speed = parseFloat(value)
if (isNaN(speed)) {
alert("【" + value + "】不是有效的速度")
return
}
if (speed == 0) {
alert("速度不能为0")
return
}
if (speed < SPEED_MIN_VALUE) {
alert("播放器速度下限为" + SPEED_MIN_VALUE + "，速度必须小于等于" + SPEED_MIN_VALUE)
return
}
if (speed > SPEED_MAX_VALUE) {
alert("播放器速度上限为" + SPEED_MAX_VALUE + "，速度必须小于等于" + SPEED_MAX_VALUE)
return
}
}
localStorage.setItem("dz_bilibili_video_custom_speed_setting", input)
//重新初始化
init()
}
GM_registerMenuCommand("更新倍速设置", updateSpeedSetting, null)
function getSetSpeedOnLoadSetting() {
return localStorage.getItem("dz_bilibili_video_custom_speed_set_speed_on_load") == "true"
}
function switchSetSpeedOnLoad() {
localStorage.setItem("dz_bilibili_video_custom_speed_set_speed_on_load", !getSetSpeedOnLoadSetting())
GM_unregisterMenuCommand(commandId)
commandId = GM_registerMenuCommand(getSetSpeedOnLoadSetting() ? "记忆倍速：开启（点击关闭）" : "记忆倍速：关闭（点击开启）", switchSetSpeedOnLoad, null)
}
let commandId = GM_registerMenuCommand(getSetSpeedOnLoadSetting() ? "记忆倍速：开启（点击关闭）" : "记忆倍速：关闭（点击开启）", switchSetSpeedOnLoad, null)
let speed = getSetSpeedOnLoadSetting() ? parseFloat(localStorage.getItem("dz_bilibili_video_custom_speed_value")) : 1
let cacheItem = undefined
if (isNaN(speed) || speed < SPEED_MIN_VALUE || speed > SPEED_MAX_VALUE) {
speed = 1
}
update()
function init() {
let menu = document.querySelector(".bpx-player-ctrl-playbackrate-menu")
if (!menu) {
return false
}
if (!cacheItem) {
let item = menu.children[0]
if (!item) {
return false
}
//复制一个新的
item = item.cloneNode(false)
//可能是激活的，去掉激活状态
item.classList.remove("bpx-state-active")
cacheItem = item
}
while (menu.children.length > 0) {
menu.removeChild(menu.children[0])
}
let setting = getSpeedSetting()
for (let i = setting.length - 1; i >= 0; i--) {
let value = setting[i]
let currentItem = document.importNode(cacheItem, false)
currentItem.innerText = value + "x"
currentItem.attributes["data-value"].value = parseFloat(value)
currentItem.addEventListener("click", function(){
speed = value
localStorage.setItem("dz_bilibili_video_custom_speed_value", speed)
let videoObj = document.querySelector("video") ?? document.querySelector("bwp-video")
if (videoObj) {
videoObj.playbackRate = speed
}
// 后加的节点b站也会管理，不需要自行切换状态了
// document.querySelector(".bpx-state-active").classList.remove("bpx-state-active")
// currentItem.classList.add("bpx-state-active")
})
menu.appendChild(currentItem)
}
if (!menu.classList.contains("dz_bilibili_video_custom_speed_initialize")) {
menu.classList.add("dz_bilibili_video_custom_speed_initialize")
}
return true
}
function update() {
let videoObj = document.querySelector("video") ?? document.querySelector("bwp-video")
if (!videoObj) {
return
}
let menu = document.querySelector(".bpx-player-ctrl-playbackrate-menu")
if (!menu) {
return
}
if (!menu.classList.contains("dz_bilibili_video_custom_speed_initialize")) {
//未初始化
if (!init()) {
return
}
}
if (speed !== videoObj.playbackRate) {
//切换到了新页面，重新适用倍速
videoObj.playbackRate = speed
}
}
setInterval(update, 200)
})();