Greasy Fork is available in English.
m3u8
当前为
此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.greasyfork.icu/scripts/468813/1206138/downm3u8.js
function sectionm3u8menu(m3u8url) {
let $section = document.createElement('section');
$section.setAttribute('id', 'down-my-section');
$section.innerHTML = `
<style>
/*全局设置*/
html, body {
margin: 0;
padding: 0;
}
body::-webkit-scrollbar { display: none}
p {
margin: 0;
}
[v-cloak] {
display: none;
}
#m-app {
height: 100%;
width: 100%;
text-align: center;
padding: 10px 50px 80px;
box-sizing: border-box;
}
.m-p-action {
margin: 20px auto;
max-width: 1100px;
width: 100%;
font-size: 35px;
text-align: center;
font-weight: bold;
}
.m-p-other, .m-p-tamper, .m-p-github, .m-p-language, .m-p-mse{
position: fixed;
right: 50px;
background-color: #eff3f6;
background-image: linear-gradient(-180deg, #fafbfc, #eff3f6 90%);
color: #24292e;
border: 1px solid rgba(27, 31, 35, .2);
border-radius: 3px;
cursor: pointer;
display: inline-block;
font-size: 14px;
font-weight: 600;
line-height: 20px;
padding: 6px 12px;
z-index: 99;
}
.m-p-help {
position: fixed;
right: 50px;
top: 50px;
width: 30px;
height: 30px;
color: #666666;
z-index: 2;
line-height: 30px;
font-weight: bolder;
border-radius: 50%;
border: 1px solid rgba(27, 31, 35, .2);
cursor: pointer;
background-color: #eff3f6;
background-image: linear-gradient(-180deg, #fafbfc, #eff3f6 90%);
}
.m-p-github:hover, .m-p-other:hover, .m-p-tamper:hover, .m-p-help:hover, .m-p-language:hover, .m-p-mse:hover{
opacity: 0.9;
}
.m-p-language {
bottom: 70px;
}
.m-p-other {
bottom: 150px;
}
.m-p-tamper {
bottom: 30px;
}
.m-p-github {
bottom: 190px;
}
.m-p-mse {
bottom: 110px;
}
/*广告*/
.m-p-refer {
position: absolute;
left: 50px;
bottom: 50px;
}
.m-p-refer .text {
position: absolute;
top: -80px;
left: -40px;
animation-name: upAnimation;
transform-origin: center bottom;
animation-duration: 2s;
animation-fill-mode: both;
animation-iteration-count: infinite;
animation-delay: .5s;
}
.m-p-refer .close {
display: block;
position: absolute;
top: -110px;
right: -50px;
padding: 0;
margin: 0;
width: 50px;
height: 50px;
border-radius: 50%;
border: none;
cursor: pointer;
z-index: 3;
transition: 0.3s all;
background-size: 30px 30px;
background-repeat: no-repeat;
background-position: center center;
background-image: url(https://blog.luckly-mjw.cn/tool-show/m3u8-downloader/imgs/close.png);
background-color: rgba(0, 0, 0, 0.5);
}
.m-p-refer .close:hover {
background-color: rgba(0, 0, 0, 0.8);
}
.m-p-refer .link {
border-radius: 4px;
text-decoration: none;
background-color: #4E84E6;
transition: 0.3s all;
}
.m-p-refer .link:hover {
top: -10px;
color: #333333;
border: 1px solid transparent;
background: rgba(0, 0, 0, 0.6);
box-shadow: 2px 11px 20px 0 rgba(0, 0, 0, 0.6);
}
@keyframes upAnimation {
0% {
transform: rotate(0deg);
transition-timing-function: cubic-bezier(0.215, .61, .355, 1)
}
10% {
transform: rotate(-12deg);
transition-timing-function: cubic-bezier(0.215, .61, .355, 1)
}
20% {
transform: rotate(12deg);
transition-timing-function: cubic-bezier(0.215, .61, .355, 1)
}
28% {
transform: rotate(-10deg);
transition-timing-function: cubic-bezier(0.215, .61, .355, 1)
}
36% {
transform: rotate(10deg);
transition-timing-function: cubic-bezier(0.755, .5, .855, .06)
}
42% {
transform: rotate(-8deg);
transition-timing-function: cubic-bezier(0.755, .5, .855, .06)
}
48% {
transform: rotate(8deg);
transition-timing-function: cubic-bezier(0.755, .5, .855, .06)
}
52% {
transform: rotate(-4deg);
transition-timing-function: cubic-bezier(0.755, .5, .855, .06)
}
56% {
transform: rotate(4deg);
transition-timing-function: cubic-bezier(0.755, .5, .855, .06)
}
60% {
transform: rotate(0deg);
transition-timing-function: cubic-bezier(0.755, .5, .855, .06)
}
100% {
transform: rotate(0deg);
transition-timing-function: cubic-bezier(0.215, .61, .355, 1)
}
}
/*顶部信息录入*/
.m-p-temp-url {
padding-top: 50px;
padding-bottom: 10px;
width: 100%;
color: #999999;
text-align: left;
font-style: italic;
word-break: break-all;
}
}
.m-p-input-container input {
flex: 1;
margin-bottom: 20px;
display: block;
width: 380px;
padding: 16px;
font-size: 24px;
border-radius: 4px;
box-shadow: none;
color: #444444;
border: 1px solid #cccccc;
min-width: 400px;
}
.m-p-input-container .range-input {
margin-left: 10px;
margin-bottom: 0;
width: 100px;
box-sizing: border-box;
}
.m-p-input-container div {
position: relative;
display: inline-block;
margin-left: 10px;
height: 40px;
font-size:16px;
color: white;
cursor: pointer;
border-radius: 4px;
border: 1px solid #eeeeee;
background-color: #3D8AC7;
opacity: 1;
transition: 0.3s all;
}
.m-p-input-container div:hover {
opacity: 0.9;
}
.m-p-input-container div {
width: 200px;
}
.m-p-input-container .disable {
cursor: not-allowed;
background-color: #dddddd;
}
/*下载状态*/
.m-p-line {
margin: 20px 0 50px;
vertical-align: top;
width: 100%;
height: 5px;
border-bottom: dotted;
}
.m-p-tips {
width: 100%;
color: #999999;
text-align: left;
font-style: italic;
word-break: break-all;
}
.m-p-tips p {
width: 100px;
display: inline-block;
}
.m-p-tips.error-tips{
color: #DC5350;
}
.m-p-segment {
text-align: left;
}
.m-p-segment .item {
display: inline-block;
margin: 10px 6px;
width: 50px;
height: 40px;
color: white;
line-height: 40px;
text-align: center;
border-radius: 4px;
cursor: help;
border: solid 1px #eeeeee;
background-color: #dddddd;
transition: 0.3s all;
}
.m-p-segment .finish {
background-color: #0ACD76;
}
.m-p-segment .error {
cursor: pointer;
background-color: #DC5350;
}
.m-p-segment .error:hover {
opacity: 0.9;
}
.m-p-stream, .m-p-report, .m-p-cross, .m-p-final {
margin-top: 10px;
display: inline-block;
width: 100%;
height: 50px;
line-height: 50px;
font-size: 20px;
color: white;
cursor: pointer;
border-radius: 4px;
border: 1px solid #eeeeee;
background-color: #3D8AC7;
opacity: 1;
transition: 0.3s all;
}
.m-p-stream {
background-color: #0ACD76 !important;
}
.m-p-report {
background-color: #e74c3c !important;
text-decoration: none;
}
.m-p-final {
text-decoration: none;
}
.m-p-force, .m-p-retry {
position: absolute;
right: 50px;
display: inline-block;
padding: 6px 12px;
font-size: 18px;
color: white;
cursor: pointer;
border-radius: 4px;
border: 1px solid #eeeeee;
background-color: #3D8AC7;
opacity: 1;
transition: 0.3s all;
}
.m-p-retry {
right: 250px;
}
.m-p-force:hover, .m-p-retry:hover {
opacity: 0.9;
}
.m-p-input-container {
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
padding: 10px;
box-sizing: border-box;
}
.m-p-input-container input {
width: 100%;
margin-bottom: 10px;
padding: 12px 10px;
font-size: 14px;
border: none;
border-radius: 4px;
box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.3);
box-sizing: border-box;
}
.m-p-input-container div {
width: 100%;
margin-bottom: 10px;
padding: 10px;
font-size: 16px;
color: white;
background-color: #136fbe;
text-align: center;
border-radius: 5px;
cursor: pointer;
box-sizing: border-box;
}
@media screen and (min-width: 768px) {
.m-p-input-container {
flex-direction: row;
justify-content: space-around;
padding: 20px;
}
.m-p-input-container input[type="text"] {
width: calc(60% - 10px);
margin-bottom: 0;
margin-right: 10px;
}
.m-p-input-container div {
width: calc(30% - 10px);
margin-bottom: 0;
}
}
.close-button {
position: absolute;
top: 10px;
right: 10px;
background-color: #858585;
color: #fff;
border-radius: 50%;
border: none;
width: 30px;
height: 30px;
cursor: pointer;
font-size: 20px;
}
</style>
<div id="m-loading">
页面加载中，请耐心等待...
</div>
<section id="m-app" v-cloak>
<!--顶部操作提示-->
<section class="m-p-action g-box">{{tips}}</section>
<button class="close-button">X</button>
<!--文件载入-->
<div class="m-p-temp-url">测试链接：https://apd-b021fe88d6b77ad25a2beb409c98cdcf.v.smtcdns.com/mv.music.tc.qq.com/AfWSvpTa-XcTcmk_KS3D8juEb6gV12vrR0waRTEP-3bM/1AFF8F704BC487445573030452DAAAF0D09D19E53431F94E64FA40FE97686517F365DD7F61F237F0EAC1FC192885BB86ZZqqmusic_default/qmmv_0b53euaemaaazaapt7ekwzsfijiaiysqarsa.f9944.m3u8</div>
<section class="m-p-input-container">
<input id="mym3u8val" type="text" v-model="url" :disabled="downloading" placeholder="请输入 m3u8 链接" >
<!--范围查询-->
<template v-if="!downloading || rangeDownload.isShowRange">
<div v-if="!rangeDownload.isShowRange" @click="getM3U8(true)">特定范围下载</div>
<template v-else>
<input class="range-input" type="number" v-model="rangeDownload.startSegment" :disabled="downloading" placeholder="起始片段">
<input class="range-input" type="number" v-model="rangeDownload.endSegment" :disabled="downloading" placeholder="截止片段">
</template>
</template>
<!--还未开始下载-->
<template v-if="!downloading">
<div @click="getM3U8(false)">原格式下载</div>
<div @click="getMP4">转码为MP4下载</div>
</template>
<div v-else-if="finishNum === rangeDownload.targetSegment && rangeDownload.targetSegment > 0" class="disable">下载完成</div>
<div v-else @click="togglePause">{{ isPause ? '恢复下载' : '暂停下载' }}</div>
</section>
<div v-if="!downloading " class="m-p-stream" @click="streamDownload(false)">特大视频原格式下载，边下载边保存，彻底解决大文件下载内存不足问题 </div>
<div v-if="!downloading " class="m-p-stream" @click="streamDownload(true)">特大视频 MP4 格式下载，边下载边保存，彻底解决大文件下载内存不足问题 </div>
<template v-if="finishList.length > 0">
<div class="m-p-line"></div>
<!-- <div class="m-p-retry" v-if="errorNum && downloadIndex >= rangeDownload.targetSegment" @click="retryAll">重新下载错误片段</div> -->
<div class="m-p-force" v-if="mediaFileList.length && !streamWriter" @click="forceDownload">强制下载现有片段</div>
<div class="m-p-tips">待下载碎片总量：{{ rangeDownload.targetSegment }}，已下载：{{ finishNum }}，错误：{{ errorNum }}，进度：{{ (finishNum / rangeDownload.targetSegment * 100).toFixed(2) }}%</div>
<div class="m-p-tips" :class="[errorNum ? 'error-tips' : '']">若某视频碎片下载发生错误，将标记为红色，可点击相应图标进行重试</div>
<section class="m-p-segment">
<div class="item" v-for="(item, index) in finishList" :class="[item.status]" :title="item.title" @click="retry(index)">{{ index + 1 }}</div>
</section>
</template>
</section>
`
$section.style.width = '80%';
$section.style.height = '800px';
$section.style.top = '50%';
$section.style.left = '50%';
$section.style.position = 'fixed';
$section.style.zIndex = '999999999999';
$section.style.backgroundColor = 'white';
$section.style.transform = 'translate(-50%, -50%)';
$section.style.borderRadius = '10px';
$section.style.boxShadow = '0px 0px 20px rgba(0, 0, 0, 0.5)';
$section.style.overflow = 'auto';
document.body.appendChild($section);
// 加载 ASE 解密
let $ase = document.createElement('script');
try {
$ase.src = 'https://upyun.luckly-mjw.cn/lib/aes-decryptor.js';
document.head.appendChild($ase);
} catch (error) {
$("#down-my-section").remove();
toastr.error('该网站限制了资源加载，已复制该视频链接。请在其他网站页面打开m3u8视频下载菜单进行下载', '', { positionClass: 'toast-top-center', showDuration: 300, hideDuration: 1000, timeOut: 3000, extendedTimeOut: 1000, showEasing: 'swing', hideEasing: 'linear', showMethod: 'fadeIn', hideMethod: 'fadeOut' });
}
// 加载 mp4 转码
let $mp4 = document.createElement('script')
$mp4.src = 'https://upyun.luckly-mjw.cn/lib/mux-mp4.js'
// 加载 vue
let $vue = document.createElement('script')
$vue.src = 'https://upyun.luckly-mjw.cn/lib/vue.js'
// 加载 stream 流式下载器
let $streamSaver = document.createElement('script')
$streamSaver.src = 'https://upyun.luckly-mjw.cn/lib/stream-saver.js'
// 监听 vue 加载完成，执行业务代码
$vue.addEventListener('load', () => {
document.getElementById('m-loading') && document.getElementById('m-loading').remove()
new Vue({
el: '#m-app',
data() {
return {
url: m3u8url, // 在线链接
tips: 'm3u8 视频在线提取工具', // 顶部提示
title: '', // 视频标题
isPause: false, // 是否暂停下载
isGetMP4: false, // 是否转码为 MP4 下载
durationSecond: 0, // 视频持续时长
isShowRefer: false, // 是否显示推送
downloading: false, // 是否下载中
beginTime: '', // 开始下载的时间
errorNum: 0, // 错误数
finishNum: 0, // 已下载数
downloadIndex: 0, // 当前下载片段
finishList: [], // 下载完成项目
tsUrlList: [], // ts URL数组
mediaFileList: [], // 下载的媒体数组
isSupperStreamWrite: window.streamSaver && !window.streamSaver.useBlobFallback, // 当前浏览器是否支持流式下载
streamWriter: null, // 文件流写入器
streamDownloadIndex: 0, // 文件流写入器，正准备写入第几个视频片段
rangeDownload: { // 特定范围下载
isShowRange: false, // 是否显示范围下载
startSegment: '', // 起始片段
endSegment: '', // 截止片段
targetSegment: 1, // 待下载片段
},
aesConf: { // AES 视频解密配置
method: '', // 加密算法
uri: '', // key 所在文件路径
iv: '', // 偏移值
key: '', // 秘钥
decryptor: null, // 解码器对象
stringToBuffer: function (str) {
return new TextEncoder().encode(str)
},
},
}
},
created() {
this.getSource();
window.addEventListener('keyup', this.onKeyup)
setInterval(this.retryAll.bind(this), 2000) // 每两秒重新下载一遍错误片段，实现错误自动重试
},
beforeDestroy() {
window.removeEventListener('keyup', this.onKeyup)
},
methods: {
// 获取链接中携带的资源链接
getSource() {
let { href } = location
if (href.indexOf('?source=') > -1) {
this.url = href.split('?source=')[1]
}
},
// 获取顶部 window title，因可能存在跨域问题，故使用 try catch 进行保护
getDocumentTitle(){
let title = document.title;
try {
title = window.top.document.title
} catch (error) {
console.log(error)
}
return title
},
// 退出弹窗
onKeyup(event) {
if (event.keyCode === 13) { // 键入ESC
this.getM3U8()
}
},
// ajax 请求
ajax(options) {
options = options || {};
let xhr = new XMLHttpRequest();
if (options.type === 'file') {
xhr.responseType = 'arraybuffer';
}
xhr.onreadystatechange = function () {
if (xhr.readyState === 4) {
let status = xhr.status;
if (status >= 200 && status < 300) {
options.success && options.success(xhr.response);
} else {
options.fail && options.fail(status);
}
}
};
xhr.open("GET", options.url, true);
xhr.send(null);
},
// 合成URL
applyURL(targetURL, baseURL) {
baseURL = baseURL || location.href
if (targetURL.indexOf('http') === 0) {
// 当前页面使用 https 协议时，强制使 ts 资源也使用 https 协议获取
if(location.href.indexOf('https') === 0){
return targetURL.replace('http://','https://')
}
return targetURL
} else if (targetURL[0] === '/') {
let domain = baseURL.split('/')
return domain[0] + '//' + domain[2] + targetURL
} else {
let domain = baseURL.split('/')
domain.pop()
return domain.join('/') + '/' + targetURL
}
},
// 使用流式下载，边下载边保存，解决大视频文件内存不足的难题
streamDownload(isMp4){
this.isGetMP4 = isMp4
this.title = new URL(this.url).searchParams.get('title') || this.title // 获取视频标题
let fileName = this.title || this.formatTime(new Date(), 'YYYY_MM_DD hh_mm_ss')
if(document.title !== 'm3u8 downloader'){
fileName = this.getDocumentTitle()
}
this.streamWriter = window.streamSaver.createWriteStream(`${fileName}.${isMp4 ? 'mp4' : 'ts'}`).getWriter()
this.getM3U8()
},
// 解析为 mp4 下载
getMP4() {
this.isGetMP4 = true
this.getM3U8()
},
// 获取在线文件
getM3U8(onlyGetRange) {
if (!this.url) {
alert('请输入链接')
return
}
if (this.url.toLowerCase().indexOf('m3u8') === -1) {
alert('链接有误，请重新输入')
return
}
if (this.downloading) {
alert('资源下载中，请稍后')
return
}
// 在下载页面才触发，代码注入的页面不需要校验
// 当前协议不一致，切换协议
if (location.href.indexOf('blog.luckly-mjw.cn') > -1 && this.url.indexOf(location.protocol) === -1) {
//alert('当前协议不一致，跳转至正确页面重新下载')
location.href = `${this.url.split(':')[0]}://blog.luckly-mjw.cn/tool-show/m3u8-downloader/index.html?source=${this.url}`
return
}
// 在下载页面才触发，修改页面 URL，携带下载路径，避免刷新后丢失
if (location.href.indexOf('blog.luckly-mjw.cn') > -1) {
window.history.replaceState(null, '', `${location.href.split('?')[0]}?source=${this.url}`)
}
this.title = new URL(this.url).searchParams.get('title') || this.title // 获取视频标题
this.tips = 'm3u8 文件下载中，请稍后'
this.beginTime = new Date()
this.ajax({
url: this.url,
success: (m3u8Str) => {
this.tsUrlList = []
this.finishList = []
// 提取 ts 视频片段地址
m3u8Str.split('\n').forEach((item) => {
// if (/.(png|image|ts|jpg|mp4|jpeg)/.test(item)) {
// 放开片段后缀限制，下载非 # 开头的链接片段
if (/^[^#]/.test(item)) {
console.log(item)
this.tsUrlList.push(this.applyURL(item, this.url))
this.finishList.push({
title: item,
status: ''
})
}
})
// 仅获取视频片段数
if (onlyGetRange) {
this.rangeDownload.isShowRange = true
this.rangeDownload.endSegment = this.tsUrlList.length
this.rangeDownload.targetSegment = this.tsUrlList.length
return
} else {
let startSegment = Math.max(this.rangeDownload.startSegment || 1, 1) // 最小为 1
let endSegment = Math.max(this.rangeDownload.endSegment || this.tsUrlList.length, 1)
startSegment = Math.min(startSegment, this.tsUrlList.length) // 最大为 this.tsUrlList.length
endSegment = Math.min(endSegment, this.tsUrlList.length)
this.rangeDownload.startSegment = Math.min(startSegment, endSegment)
this.rangeDownload.endSegment = Math.max(startSegment, endSegment)
this.rangeDownload.targetSegment = this.rangeDownload.endSegment - this.rangeDownload.startSegment + 1
this.downloadIndex = this.rangeDownload.startSegment - 1
this.downloading = true
}
// 获取需要下载的 MP4 视频长度
if (this.isGetMP4) {
let infoIndex = 0
m3u8Str.split('\n').forEach(item => {
if (item.toUpperCase().indexOf('#EXTINF:') > -1) { // 计算视频总时长，设置 mp4 信息时使用
infoIndex++
if (this.rangeDownload.startSegment <= infoIndex && infoIndex <= this.rangeDownload.endSegment) {
this.durationSecond += parseFloat(item.split('#EXTINF:')[1])
}
}
})
}
// 检测视频 AES 加密
if (m3u8Str.indexOf('#EXT-X-KEY') > -1) {
this.aesConf.method = (m3u8Str.match(/(.*METHOD=([^,\s]+))/) || ['', '', ''])[2]
this.aesConf.uri = (m3u8Str.match(/(.*URI="([^"]+))"/) || ['', '', ''])[2]
this.aesConf.iv = (m3u8Str.match(/(.*IV=([^,\s]+))/) || ['', '', ''])[2]
this.aesConf.iv = this.aesConf.iv ? this.aesConf.stringToBuffer(this.aesConf.iv) : ''
this.aesConf.uri = this.applyURL(this.aesConf.uri, this.url)
// let params = m3u8Str.match(/#EXT-X-KEY:([^,]*,?METHOD=([^,]+))?([^,]*,?URI="([^,]+)")?([^,]*,?IV=([^,^\n]+))?/)
// this.aesConf.method = params[2]
// this.aesConf.uri = this.applyURL(params[4], this.url)
// this.aesConf.iv = params[6] ? this.aesConf.stringToBuffer(params[6]) : ''
this.getAES();
} else if (this.tsUrlList.length > 0) { // 如果视频没加密，则直接下载片段，否则先下载秘钥
this.downloadTS()
} else {
this.alertError('资源为空，请查看链接是否有效')
}
},
fail: () => {
this.alertError('链接不正确，请查看链接是否有效')
}
})
},
// 获取AES配置
getAES() {
// alert('视频被 AES 加密，点击确认，进行视频解码')
this.ajax({
type: 'file',
url: this.aesConf.uri,
success: (key) => {
// console.log('getAES', key)
// this.aesConf.key = this.aesConf.stringToBuffer(key)
this.aesConf.key = key
this.aesConf.decryptor = new AESDecryptor()
this.aesConf.decryptor.constructor()
this.aesConf.decryptor.expandKey(this.aesConf.key);
this.downloadTS()
},
fail: () => {
this.alertError('视频已加密，可试用右下角入口的「无差别提取工具」')
}
})
},
// ts 片段的 AES 解码
aesDecrypt(data, index) {
let iv = this.aesConf.iv || new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, index])
return this.aesConf.decryptor.decrypt(data, 0, iv.buffer || iv, true)
},
// 下载分片
downloadTS() {
this.tips = 'ts 视频碎片下载中，请稍后'
let download = () => {
let isPause = this.isPause // 使用另一个变量来保持下载前的暂停状态，避免回调后没修改
let index = this.downloadIndex
if (index >= this.rangeDownload.endSegment) {
return
}
this.downloadIndex++
if (this.finishList[index] && this.finishList[index].status === '') {
this.finishList[index].status = 'downloading'
this.ajax({
url: this.tsUrlList[index],
type: 'file',
success: (file) => {
this.dealTS(file, index, () => this.downloadIndex < this.rangeDownload.endSegment && !isPause && download())
},
fail: () => {
this.errorNum++
this.finishList[index].status = 'error'
if (this.downloadIndex < this.rangeDownload.endSegment) {
!isPause && download()
}
}
})
} else if (this.downloadIndex < this.rangeDownload.endSegment) { // 跳过已经成功的片段
!isPause && download()
}
}
// 建立多少个 ajax 线程
for (let i = 0; i < Math.min(6, this.rangeDownload.targetSegment - this.finishNum); i++) {
download()
}
},
// 处理 ts 片段，AES 解密、mp4 转码
dealTS(file, index, callback) {
const data = this.aesConf.uri ? this.aesDecrypt(file, index) : file
this.conversionMp4(data, index, (afterData) => { // mp4 转码
this.mediaFileList[index - this.rangeDownload.startSegment + 1] = afterData // 判断文件是否需要解密
this.finishList[index].status = 'finish'
this.finishNum++
if (this.streamWriter){
for (let index = this.streamDownloadIndex; index < this.mediaFileList.length; index++) {
if(this.mediaFileList[index]){
this.streamWriter.write(new Uint8Array(this.mediaFileList[index]))
this.mediaFileList[index] = null
this.streamDownloadIndex = index + 1
} else {
break
}
}
if (this.streamDownloadIndex >= this.rangeDownload.targetSegment){
this.streamWriter.close()
}
} else if (this.finishNum === this.rangeDownload.targetSegment) {
let fileName = this.title || this.formatTime(this.beginTime, 'YYYY_MM_DD hh_mm_ss')
if(document.title !== 'm3u8 downloader'){
fileName = this.getDocumentTitle()
}
this.downloadFile(this.mediaFileList, fileName)
}
callback && callback()
})
},
// 转码为 mp4
conversionMp4(data, index, callback) {
if (this.isGetMP4) {
let transmuxer = new muxjs.Transmuxer({
keepOriginalTimestamps: true,
duration: parseInt(this.durationSecond),
});
transmuxer.on('data', segment => {
if (index === this.rangeDownload.startSegment - 1) {
let data = new Uint8Array(segment.initSegment.byteLength + segment.data.byteLength);
data.set(segment.initSegment, 0);
data.set(segment.data, segment.initSegment.byteLength);
callback(data.buffer)
} else {
callback(segment.data)
}
})
transmuxer.push(new Uint8Array(data));
transmuxer.flush();
} else {
callback(data)
}
},
// 暂停与恢复
togglePause() {
this.isPause = !this.isPause
!this.isPause && this.retryAll(true)
},
// 重新下载某个片段
retry(index) {
if (this.finishList[index].status === 'error') {
this.finishList[index].status = ''
this.ajax({
url: this.tsUrlList[index],
type: 'file',
success: (file) => {
this.errorNum--
this.dealTS(file, index)
},
fail: () => {
this.finishList[index].status = 'error'
}
})
}
},
// 重新下载所有错误片段
retryAll(forceRestart) {
if (!this.finishList.length || this.isPause) {
return
}
let firstErrorIndex = this.downloadIndex // 没有错误项目，则每次都递增
this.finishList.forEach((item, index) => { // 重置所有错误片段状态
if (item.status === 'error') {
item.status = ''
firstErrorIndex = Math.min(firstErrorIndex, index)
}
})
this.errorNum = 0
// 已经全部下载进程都跑完了，则重新启动下载进程
if (this.downloadIndex >= this.rangeDownload.endSegment || forceRestart) {
this.downloadIndex = firstErrorIndex
this.downloadTS()
} else { // 否则只是将下载索引，改为最近一个错误的项目，从那里开始遍历
this.downloadIndex = firstErrorIndex
}
},
// 下载整合后的TS文件
downloadFile(fileDataList, fileName) {
this.tips = 'ts 碎片整合中，请留意浏览器下载'
let fileBlob = null
let a = document.createElement('a')
if (this.isGetMP4) {
fileBlob = new Blob(fileDataList, { type: 'video/mp4' }) // 创建一个Blob对象，并设置文件的 MIME 类型
a.download = fileName + '.mp4'
} else {
fileBlob = new Blob(fileDataList, { type: 'video/MP2T' }) // 创建一个Blob对象，并设置文件的 MIME 类型
a.download = fileName + '.ts'
}
a.href = URL.createObjectURL(fileBlob)
a.style.display = 'none'
document.body.appendChild(a)
a.click()
a.remove()
},
// 格式化时间
formatTime(date, formatStr) {
const formatType = {
Y: date.getFullYear(),
M: date.getMonth() + 1,
D: date.getDate(),
h: date.getHours(),
m: date.getMinutes(),
s: date.getSeconds(),
}
return formatStr.replace(
/Y+|M+|D+|h+|m+|s+/g,
target => (new Array(target.length).join('0') + formatType[target[0]]).substr(-target.length)
)
},
// 强制下载现有片段
forceDownload() {
if (this.mediaFileList.length) {
let fileName = this.title || this.formatTime(this.beginTime, 'YYYY_MM_DD hh_mm_ss')
if(document.title !== 'm3u8 downloader'){
fileName = this.getDocumentTitle()
}
this.downloadFile(this.mediaFileList, fileName)
} else {
alert('当前无已下载片段')
}
},
// 发生错误，进行提示
alertError(tips) {
alert(tips)
this.downloading = false
this.tips = 'm3u8 视频在线提取工具';
},
// 拷贝本页面本身，解决跨域问题
copyCode() {
if (this.tips !== '代码下载中，请稍后') {
this.tips = '代码下载中，请稍后';
this.ajax({
url: './index.html',
success: (fileStr) => {
let fileList = fileStr.split(`<!--vue 前端框架--\>`);
let dom = fileList[0];
let script = fileList[1] + fileList[2];
script = script.split('');
script = script[1] + script[2];
if (this.url) {
script = script.replace(`url: '', // 在线链接`, `url: '${this.url}',`);
}
let codeStr = `
// 注入html
let $section = document.createElement('section')
$section.innerHTML = \`${dom}\`
$section.style.width = '100%'
$section.style.height = '800px'
$section.style.top = '0'
$section.style.left = '0'
$section.style.position = 'relative'
$section.style.zIndex = '9999'
$section.style.backgroundColor = 'white'
document.body.appendChild($section);
// 加载 ASE 解密
let $ase = document.createElement('script')
$ase.src = 'https://upyun.luckly-mjw.cn/lib/aes-decryptor.js'
// 加载 mp4 转码
let $mp4 = document.createElement('script')
$mp4.src = 'https://upyun.luckly-mjw.cn/lib/mux-mp4.js'
// 加载 vue
let $vue = document.createElement('script')
$vue.src = 'https://upyun.luckly-mjw.cn/lib/vue.js'
// 加载 stream 流式下载器
let $streamSaver = document.createElement('script')
$streamSaver.src = 'https://upyun.luckly-mjw.cn/lib/stream-saver.js'
// 监听 vue 加载完成，执行业务代码
$vue.addEventListener('load', () => {${script}})
document.body.appendChild($mp4);
document.body.appendChild($ase);
document.body.appendChild($streamSaver);
document.body.appendChild($vue);
alert('注入成功，请滚动到页面底部，若白屏则等待资源加载')
`;
this.copyToClipboard(codeStr);
this.tips = '复制成功，打开视频网页控制台，注入本代码';
},
fail: () => {
this.alertError('链接不正确，请查看链接是否有效');
},
})
}
},
// 拷贝剪切板
copyToClipboard(content) {
clearTimeout(this.timeouter)
if (!document.queryCommandSupported('copy')) {
return false
}
let $input = document.createElement('textarea')
$input.style.opacity = '0'
$input.value = content
document.body.appendChild($input)
$input.select()
const result = document.execCommand('copy')
document.body.removeChild($input)
$input = null
return result
},
}
})
})
document.body.appendChild($mp4);
document.body.appendChild($ase);
document.body.appendChild($streamSaver);
document.body.appendChild($vue);
}
$("body").on('click', '.close-button', function() {
$("#down-my-section").remove();
})
//sectionm3u8menu("111111");