speed up/down video
As of
// ==UserScript==
// @name 视频倍速快捷键
// @version 0.5
// @description speed up/down video
// @author BlueSky
// @match *://*.bilibili.com/*
// @match *://*.netflix.com/*
// @match *://www.youtube.com/watch*
// @grant none
// @namespace https://greasyfork.org/users/447360
// ==/UserScript==
(function () {
'use strict';
let title = ''
let rate = 1
let selectors = []
if (/bilibili/.test(location.hostname)) {
selectors = [
'div.bilibili-player-video-top-title',
'span.tit'
]
} else if (/netflix/.test(location.hostname)) {
selectors = ['.ellipsize-text h4']
} else if (/youtube/.test(location.hostname)) {
selectors = [
'h1 > yt-formatted-string.style-scope.ytd-video-primary-info-renderer',
'.ytp-title-link.yt-uix-sessionlink.ytp-title-fullerscreen-link'
]
}
let init_title_failed_count = 0
function initTitle() {
for (const selector of selectors) {
const el = document.querySelector(selector)
if (el) {
if (!title && el.innerText) {
title = el.innerText
console.debug('title:', title)
return
}
}
}
if (!title && init_title_failed_count < 100) {
console.debug('wait for title')
setTimeout(initTitle, 100)
init_title_failed_count++
}
}
initTitle()
window.addEventListener('keydown', (e) => {
if (e.key === '`') {
rate = 0.5
} else {
if ((/youtube/.test(location.hostname))) {
if (e.key === ']' && rate < 16) {
rate += 0.5
} else if (e.key === '[' && rate > 0.25) {
rate -= 0.5
} else {
return
}
} else {
if (e.key === ']' && rate < 16) {
rate += 0.25
} else if (e.key === '[' && rate > 0.25) {
rate -= 0.25
} else if (e.key === '=' && rate < 16) {
rate += 0.5
} else if (e.key === '-' && rate > 0.5) {
rate -= 0.5
} else if (e.key === '1') {
rate = 1
} else if (e.key === '2') {
rate = 2
} else if (e.key === '3') {
rate = 3
} else if (e.key === '4') {
rate = 4
} else {
return
}
}
}
setVideoRate()
setVideoTitle()
})
function setVideoRate() {
console.debug(`rate: ${rate}x`)
document.querySelector('video').playbackRate = rate
}
function setVideoTitle() {
for (const selector of selectors) {
const el = document.querySelector(selector)
if (el) {
el.innerText = `[${rate}x] ${title}`
}
}
}
})();