aliyun subtitle
目前为
// ==UserScript==
// @name 阿里云盘字幕
// @namespace http://tampermonkey.net/
// @version 0.3.1
// @description aliyun subtitle
// @author polygon
// @match https://www.aliyundrive.com/drive*
// @icon data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @grant GM_addStyle
// @runat document-start
// ==/UserScript==
(function() {
'use strict'
// create new XMLHttpRequest
const regex = {
ass: {
getItems(text) { return text.match(/Dialogue:.+/g) },
getInfo(item) {
let [from, to, content] = /Dialogue: 0,(.+?),(.+?),.*?,.*?,.*?,.*?,.*?,.*?,([^\n]+)/.exec(item).slice(1)
return {
from: toSeconds(from),
to: toSeconds(to),
content: content.replace(/{[\s\S]*?}/g, '').replace('\\N', '<br/>')
}
},
},
srt: {
getItems(text) { return text.split('\r\n\r\n') },
getInfo(item) {
let lineArray = item.split('\r\n').slice(1)
let [from, to] = lineArray[0].split(' --> ')
return {
from: toSeconds(from),
to: toSeconds(to),
content: lineArray.slice(1).join('<br/>').replace(/{[\s\S]*?}/g, '')
}
},
},
}
let subtitleType
let fileInfoList = null
const nativeSend = window.XMLHttpRequest.prototype.send
XMLHttpRequest.prototype.send = function() {
if (this.openParams[1].includes('file/list')) {
this.addEventListener("load", function(event) {
let target = event.currentTarget
if (target.readyState == 4 && target.status == 200) {
fileInfoList = JSON.parse(target.response).items
}
})
}
nativeSend.apply(this, arguments)
}
let toSeconds = (timeStr) => {
let timeArr = timeStr.replace(',', '.').split(':')
let timeSec = 0
for (let i = 0; i < timeArr.length; i++) {
timeSec += 60 ** (timeArr.length - i - 1) * parseFloat(timeArr[i])
}
return timeSec
}
// parse subtitle
let parseTextToArray = (text) => {
console.log(text)
let itemArray = regex[subtitleType].getItems(text)
let InfoArray = []
itemArray.forEach((item) => {
try {
let info = regex[subtitleType].getInfo(item)
InfoArray.push(info)
} catch {
console.log(`[ERROR] ${item}`)
}
})
console.log(InfoArray)
return InfoArray
}
// add subtitle to video
let addSubtitle = (subtitles) => {
console.log('add subtitle...')
window.startTime = 0
window.endTime = 0
// 00:00
let percentNode = document.querySelector("[class^=modal] [class^=progress-bar] [class^=current]")
let totalTimeNode = document.querySelector("[class^=modal] [class^=progress-bar] span:last-child")
// create a subtitle div
const videoStageNode = document.querySelector("[class^=video-stage]")
let subtitleNode = document.createElement('div')
subtitleNode.setAttribute('id', 'subtitle')
GM_addStyle(`
#subtitle {
position: absolute;
display: flex;
flex-direction: column-reverse;
align-items: flex-end;
color: white;
width: 100%;
height: 100%;
z-index: 9;
padding-bottom: 4vh;
}
#subtitle .subtitleText {
display: flex;
align-items: center;
justify-content: center;
text-align: center;
width: 100%;
color: white;
-webkit-text-stroke: 0.04rem black;
font-weight: bold;
font-size: 4.23vh;
margin-top: 0px;
}
@keyframes subtitle {
from {
visibility: visible
}
to {
visibility: visible
}
}
`)
videoStageNode.appendChild(subtitleNode)
console.log('add subtitleNode')
// 观察变化
const totalSec = toSeconds(totalTimeNode.textContent)
console.log(`total time is ${totalSec}s`)
let insertSubtitle = function (mutationsList, observer) {
// 00:00:00 => 秒
let timeSec = totalSec * parseFloat(percentNode.style.width.replace('%', '')) / 100
// 保护时间，防止重复
if (timeSec > window.endTime || timeSec < window.startTime){
// 此时用户可能在拖动进度条，反之拖动后重叠，清空subtitleNode
subtitleNode.innerHTML = ""
} else {
let pTags = subtitleNode.querySelectorAll('[animationend]')
for (let i=0;i<pTags.length;i++) {
subtitleNode.removeChild(pTags[i])
}
}
let binarySearch = function (target, arr) {
var from = 0;
var to = arr.length - 1;
while (from <= to) {
let mid = parseInt(from + (to - from) / 2);
if (target >= arr[mid].from && target <= arr[mid].to) {
mid ++
while (true) {
if (target >= arr[mid].from && target <= arr[mid].to) {
mid ++
continue
} else {
mid --
break
}
}
return mid
} else if (target > arr[mid].to) {
from = mid + 1;
} else {
to = mid - 1;
}
}
return -1;
}
var index = binarySearch(timeSec, subtitles)
if (index == -1) { return }
// 遍历当前防止重复
if (subtitleNode.childNodes.length) {
for (let i=0;i<subtitleNode.childNodes.length;i++) {
if (subtitleNode.childNodes[i].getAttribute('index') == String(index)) {
return
}
}
}
let oneSubtitle = subtitles[index]
let subtitleText = document.createElement('p')
subtitleText.setAttribute('class', 'subtitleText')
subtitleText.setAttribute('index', String(index))
subtitleText.innerHTML = oneSubtitle.content
let duration = oneSubtitle.to - oneSubtitle.from - (timeSec - oneSubtitle.from)
subtitleText.addEventListener('animationend', function() {
subtitleText.setAttribute('animationend', '')
})
// subtitleNode.appendChild(subtitleText)
if (subtitleNode.firstChild) {
subtitleNode.insertBefore(subtitleText, subtitleNode.firstChild)
} else {
subtitleNode.appendChild(subtitleText)
}
subtitleText.style = `animation: subtitle ${duration}s linear;
visibility: hidden;`
// 记录结束时间
window.startTime = oneSubtitle.from
window.endTime = Math.max.apply(null, [oneSubtitle.to, window.endTime])
}
var config = { attributes: true, childList: true, subtree: true }
var observer = new MutationObserver(insertSubtitle)
observer.observe(percentNode, config)
// 暂停播放事件
let playBtnEvent = () => {
setTimeout(() => {
let isPlay = !videoStageNode.querySelector("video").paused
if (isPlay) {
console.log('play')
} else {
console.log('pause')
subtitleNode.childNodes.forEach((p) => {
p.style.visibility = 'visible'
})
}
}, 0)
}
window.addEventListener('keydown', () => {
if (window.event.which == 32 | window.event.which == 39 | window.event.which == 37) {
playBtnEvent()
}
})
document.querySelector('[class^=video-player]').addEventListener('click', () => {
playBtnEvent()
}, false)
return observer
}
// observer root
const rootNode = document.querySelector('#root')
// no root, exist
if (!rootNode) { return }
let obsArray = []
const callback = function (mutationList, observer) {
// add subtitle
let subtitleNode = document.querySelector('#subtitle')
if (subtitleNode) {subtitleNode.parentNode.removeChild(subtitleNode)}
let Node = mutationList[0].addedNodes[0]
if (!Node || !Node.getAttribute('class').includes('modal')) { return }
// clear observer
obsArray.forEach(obs => {
console.log(obs)
console.log('disconnect')
obs.disconnect()
})
obsArray = []
console.log('add a video modal')
let modal = Node
// find title name
let filename = modal.querySelector('[class^=header-file-name]').innerText
let title = filename.split('.').slice(0, -1).join('.')
console.log(title)
console.log(fileInfoList)
// search the corresponding ass url
let fileInfo = fileInfoList.filter((fileInfo) => {
return fileInfo.name !== filename && fileInfo.name.includes(title)
})
// no ass file, exist
if (!fileInfo.length) {console.log('subtitle exit...'); return}
fileInfo = fileInfo[0]
console.log(fileInfo)
subtitleType = fileInfo.name.split('.').slice(-1)
console.log(`[subtitleType] ${subtitleType}`)
// download ass file
fetch(fileInfo.download_url, {headers: {Referer: 'https://www.aliyundrive.com/'}})
.then(e => e.blob())
.then(blob => {
let reader = new FileReader()
console.log('read subtitle text...')
reader.onload = function(e) {
let text = reader.result
console.log('parse subtitle text...')
let subtitles = parseTextToArray(text)
let obs = addSubtitle(subtitles)
obsArray.push(obs)
}
reader.readAsText(blob, fileInfo.content_type.includes('text/plain') ? 'GBK' : 'UTF-8')
})
let obs = new MutationObserver((mutationList, obs) => {
let filenameNode = modal.querySelector('[class^=header-file-name]')
if (filenameNode && filenameNode.innerText !== filename) {
setTimeout(() => {
callback([{addedNodes: [modal]}], null)
}, 0)
}
})
obs.observe(modal, {subtree: true, childList: true})
obsArray.push(obs)
}
const observer = new MutationObserver(callback)
observer.observe(rootNode, {childList: true})
})();
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