Greasy Fork is available in English.
2023/7/27 11:45:08
// ==UserScript==
// @name youtube记忆画面清晰度
// @namespace Violentmonkey Scripts
// @match *://www.youtube.com/watch?v=*
// @match *://www.youtube.com/*
// @match *://*.youtu.be/*
// @match *://www.youtube.com/embed/*
// @match *://www.youtube-nocookie.com/embed/*
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_registerMenuCommand
// @version 4.42
// @author lazy cat
// @description 2023/7/27 11:45:08
// @run-at document-end
// @license MIT
// @homepageURL https://greasyfork.org/zh-CN/scripts/473553-youtube%E9%BB%98%E8%AE%A4%E5%BC%80%E5%90%AF%E6%9C%80%E9%AB%98%E7%94%BB%E8%B4%A8
// @homepage https://greasyfork.org/zh-CN/scripts/473553-youtube%E9%BB%98%E8%AE%A4%E5%BC%80%E5%90%AF%E6%9C%80%E9%AB%98%E7%94%BB%E8%B4%A8
// ==/UserScript==
function save_loc_px(px) {
console.log('储存数据', px)
GM_setValue('yt_px', px)
}
function get_loc_px() {
console.log('读取数据')
return GM_getValue('yt_px', 'highres')
}
// 设置清晰度
function set_px(px) {
console.log('设置清晰度', px)
if (!px || px === 'none') return
let player = document.querySelector('div[id="movie_player"]')
if (!player) return
player.setPlaybackQualityRange(px)
}
// 获取清晰度列表
function get_px_list() {
let player = document.querySelector('div[id="movie_player"]')
if (!player) return []
return player.getAvailableQualityLevels()
}
// 选择合适清晰度
function select_px() {
let name_list = ['tiny', 'small', 'medium', 'large', 'hd720', 'hd1080', 'hd1440', 'hd2160', 'hd2880', 'highres']
let now_px_list = get_px_list()
if (now_px_list.length === 0) return 'none'
let loc_px = get_loc_px()
if (now_px_list.includes(loc_px)) return loc_px
let now_px_index = name_list.indexOf(now_px_list[0])
let loc_px_index = name_list.indexOf(loc_px)
if (loc_px_index >= now_px_index) return now_px_list[0]
while (loc_px_index > 0) {
loc_px_index--
if (now_px_index.includes(name_list[loc_px_index])) return name_list[loc_px_index]
}
return now_px_list[0]
}
// 按钮回调函数
function callback_save(e) {
if (!e.isTrusted) return
let px = this.innerText.split(' ')[0]
if (px.includes('画质')) return
if (!/\d+p6?0?/.test(px)) return
let px_map = {
'144p': 'tiny',
'240p': 'small',
'360p': 'medium',
'480p': 'large',
'720p': 'hd720',
'1080p': 'hd1080',
'1440p': 'hd1440',
'2160p': 'hd2160',
'2880p': 'hd2880',
'4320p': 'highres',
'144p60': 'tiny',
'240p60': 'small',
'360p60': 'medium',
'480p60': 'large',
'720p60': 'hd720',
'1080p60': 'hd1080',
'1440p60': 'hd1440',
'2160p60': 'hd2160',
'2880p60': 'hd2880',
'4320p60': 'highres',
}
if (!Object.keys(px_map).includes(px)) return
console.log('回调函数触发', this)
save_loc_px(px_map[px])
}
// 清晰度按钮监听器回调函数
function callback_look_button(..._) {
document.querySelectorAll('div[class="ytp-menuitem"]').forEach((e) => {
e.addEventListener('click', callback_save)
})
}
// 清晰度按钮监听器
function look_button_start() {
let button_fater = document.querySelector('div[id="ytp-id-18"]')
if (!button_fater) return
const config = { attributes: true, childList: true, subtree: true }
const obs = new MutationObserver(callback_look_button)
obs.observe(button_fater, config)
}
// 视频标题和选集改变调函数
function callback_look_title() {
console.log('视频改变')
set_px(select_px())
look_button_start()
}
// 视频标题和选集改变监听器
function look_title_start() {
let title = document.querySelector('h1 yt-formatted-string[class="style-scope ytd-watch-metadata"]')?.parentElement
let video_list = document.querySelectorAll('#container>#items')
const config = { attributes: true, childList: true, subtree: true }
const obs = new MutationObserver(callback_look_title)
if (title) obs.observe(title, config)
else return setTimeout(look_title_start, 100) // 防止标题未加载完成
if (video_list.length > 1) obs.observe(video_list[1], config)
}
// 执行一次主要逻辑
function work() {
console.log('主要逻辑执行')
set_px(select_px())
look_button_start()
look_title_start()
// 提供ifame内的支持
if (!in_iframe()) return
let player = document.querySelector('div[id="movie_player"]')
player?.removeEventListener('onStateChange', work)
}
// 等待标题加载完成监听器回调函数
function callback_await_load(_, observer) {
console.log('回调函数执行')
let title = document.querySelector('h1 yt-formatted-string[class="style-scope ytd-watch-metadata"]')
let title_2 = document.querySelector('.ytp-title-text')
if (!title && !title_2) return
observer.disconnect()
work()
// 提供ifame内的支持
if (!in_iframe()) return
let player = document.querySelector('div[id="movie_player"]')
player?.addEventListener('onStateChange', work)
}
// 等待标题加载完成
function await_load() {
console.log('等待加载')
let title = document.querySelector('h1 yt-formatted-string[class="style-scope ytd-watch-metadata"]')
let title_father = document.querySelector('body')
const config = { childList: true, subtree: true }
const obs = new MutationObserver(callback_await_load)
if (title_father && !title) obs.observe(title_father, config)
else work()
}
// 读取是否对网页内嵌视频生效
function get_emb_mod() {
return GM_getValue('emb_mod', true)
}
// 改变内嵌视频生效设置
function change_emb_mod() {
let emb_mod = !get_emb_mod()
GM_setValue('emb_mod', emb_mod)
console.log('设置内嵌视频生效', emb_mod)
location.reload()
}
// 判断是否处于iframe内
function in_iframe() {
return window.self !== window.top
}
// 程序入口
(function () {
let emb_mod = get_emb_mod()
let show_text = '网页内嵌视频生效' + (emb_mod ? '✔️' : '❌')
GM_registerMenuCommand(show_text, change_emb_mod)
if (in_iframe() && !emb_mod) {
console.log('网页内嵌视频禁止生效')
return
}
let now_url = window.location.href
if (now_url.includes('watch?v=')) await_load()
else setTimeout(await_load, 3000)
})()