用于从Niconico动画网站下载视频的脚本
// ==UserScript==
// @name nicovideo downloader
// @name:ja nicovideo downloader
// @name:zh-TW nicovideo downloader
// @name:zh-CN nicovideo downloader
// @name:ko nicovideo downloader
// @name:es nicovideo downloader
// @name:fr nicovideo downloader
// @name:de nicovideo downloader
// @name:ru nicovideo downloader
// @namespace kwlNjR37xBCMkr76P5eKA88apmOClCfZ
// @author kwlNjR37xBCMkr76P5eKA88apmOClCfZ
// @description script for downloading videos from the nicovideo website
// @description:ja ニコニコ動画から動画をダウンロードするためのスクリプト
// @description:zh-TW 用於從ニコニコ動畫網站下載影片的腳本
// @description:zh-CN 用于从Niconico动画网站下载视频的脚本
// @description:ko 니코니코 동영상에서 동영상을 다운로드하기 위한 스크립트
// @description:es Script para descargar videos del sitio web nicovideo
// @description:fr Script pour télécharger des vidéos depuis le site nicovideo
// @description:de Skript zum Herunterladen von Videos von der nicovideo-Website
// @description:ru Скрипт для загрузки видео с сайта nicovideo
// @version 0010
// @match *://www.nicovideo.jp/*
// @match *://ext.nicovideo.jp/?sm*
// @website https://greasyfork.org/en/scripts/548403
// @icon data:image/svg+xml;base64,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
// @grant GM.setValue
// @grant GM.getValue
// @grant GM.registerMenuCommand
// @license CC0 1.0
// ==/UserScript==
(function() {
'use strict';
// Constants
const EXTERNAL_SCRIPT_SOURCES = {
'best': "https://www.nicozon.net/js/bookmarklet.js",
'720p': "https://www.nicozon.net/js/bookmarklet_720p.js",
'480p': "https://www.nicozon.net/js/bookmarklet_480p.js",
'360p': "https://www.nicozon.net/js/bookmarklet_360p.js",
'audio': "https://www.nicozon.net/js/bookmarklet_audio.js"
};
const TARGET_SELECTORS = [
'div.d_flex.gap_x2.text-layer_lowEm.fs_s.fw_bold.white-space_nowrap.ai_center',
'div.d_flex.flex-d_column.ai_flex-start.ov_hidden.gap_base > div',
'div.max-w_\\[var\\(--watch-video-information-width\\)\\] > div',
'div.grid-area_\\[bottom\\] > div > div > div',
'div.gap_var\\(--watch-video-information-gap\\) > div > div',
'div.max-w_\\[var\\(--watch-video-information-width\\)\\] div:has(> time)',
'div.grid-area_\\[bottom\\] div:has(> time)',
'div.gap_var\\(--watch-video-information-gap\\) div:has(> time)',
];
const STYLES = `
.nicovideo-downloader-icon {
display: inline-flex;
align-items: center;
justify-content: center;
opacity: 0.8;
}
.nicovideo-downloader-colon {
user-select: none;
}
.nicovideo-downloader-separator {
opacity: 0.5;
user-select: none;
}
@media only screen and (max-width: 1350px), only screen and (max-height: 750px) {
.nicovideo-downloader-separator:not(.ext-nicovideo) {
display: none;
}
}
.nicovideo-downloader-link {
text-decoration: none;
font-weight: bold;
cursor: pointer;
color: inherit;
margin: 0 2px;
}
.nicovideo-downloader-link:hover {
text-decoration: underline dotted;
color: #ff9900;
}
.ext-nicovideo.nicovideo-downloader-links, body > p#audio, body > p#video {
margin: 10px;
padding: 15px 20px;
background: #f0f0f0;
}
.nicovideo-downloader-error {
border: solid #FF4C4C !important;
}
.ext-nicovideo.nicovideo-downloader-colon {
margin: 0 6px 0 3px;
}
.ext-nicovideo.nicovideo-downloader-separator {
margin: 0 2px;
}
`;
// State management
let state = {
observers: {
dom: null,
navigation: null
},
menuCommandsRegistered: false,
isDownloadInProgress: false,
currentVideoId: null,
cleanupCallbacks: []
};
// Utility functions
const utils = {
log: (message, ...args) => {
console.log(`[NicoDL] ${message}`, ...args);
},
warn: (message, ...args) => {
console.warn(`[NicoDL] ${message}`, ...args);
},
error: (message, ...args) => {
console.error(`[NicoDL] ${message}`, ...args);
},
alert: (message, ...args) => {
alert(`[Nicovideo Downloader Script]\n${message}`, ...args);
},
debounce: (func, wait) => {
let timeout;
return function executedFunction(...args) {
const later = () => {
clearTimeout(timeout);
func(...args);
};
clearTimeout(timeout);
timeout = setTimeout(later, wait);
};
},
injectStyles: () => {
if (document.getElementById('nicovideo-downloader-styles')) {
return;
}
const styleElement = document.createElement('style');
styleElement.id = 'nicovideo-downloader-styles';
styleElement.textContent = STYLES;
document.head.appendChild(styleElement);
}
};
// Storage fallback using localStorage
const storage = {
// Check if GM functions are available
hasGM: typeof GM !== 'undefined' && GM && typeof GM.setValue === 'function' && typeof GM.getValue === 'function',
// Set value with fallback - for quality preference we'll use URL parameters
async setValue(key, value) {
try {
if (this.hasGM) {
await GM.setValue(key, value);
utils.log(`Stored value using GM.setValue: ${key}`, value);
}
// For cross-window communication, we'll rely on URL parameters
// But we can store locally for menu commands etc.
sessionStorage.setItem(`nicovideo-downloader-${key}`, JSON.stringify(value));
utils.log(`Stored value using sessionStorage: ${key}`, value);
return true;
} catch (error) {
utils.error(`Error storing value ${key}:`, error);
return false;
}
},
// Get value with fallback
async getValue(key, defaultValue = null) {
try {
// First check URL parameters (highest priority for cross-window)
const urlParams = new URLSearchParams(window.location.search);
if (key === 'nicovideoDownloadQuality' && urlParams.has('quality')) {
const quality = urlParams.get('quality');
utils.log(`Retrieved value from URL parameters: ${key}`, quality);
return quality;
}
let value;
if (this.hasGM) {
value = await GM.getValue(key, defaultValue);
utils.log(`Retrieved value using GM.getValue: ${key}`, value);
} else {
const stored = sessionStorage.getItem(`nicovideo-downloader-${key}`);
value = stored !== null ? JSON.parse(stored) : defaultValue;
utils.log(`Retrieved value using sessionStorage: ${key}`, value);
}
return value;
} catch (error) {
utils.error(`Error retrieving value ${key}:`, error);
return defaultValue;
}
},
// Delete value with fallback
async deleteValue(key) {
try {
if (this.hasGM) {
await GM.setValue(key, '');
utils.log(`Deleted value using GM.setValue: ${key}`);
}
// Always clear sessionStorage as well
sessionStorage.removeItem(`nicovideo-downloader-${key}`);
utils.log(`Deleted value from sessionStorage: ${key}`);
return true;
} catch (error) {
utils.error(`Error deleting value ${key}:`, error);
return false;
}
}
};
// Video ID extraction
function getVideoId() {
try {
const url = window.location.href;
const match = url.match(/sm(\d+)/);
const videoId = match ? match[0] : null;
if (!videoId) {
utils.error('Could not extract video ID from URL:', url);
} else {
utils.log('Extracted video ID:', videoId);
}
return videoId;
} catch (error) {
utils.error('Error extracting video ID:', error);
return null;
}
}
function isVideoWatchPage() {
return window.location.pathname.startsWith('/watch/sm');
}
// Observer management
function setupDOMObserver() {
if (state.observers.dom) {
utils.log('DOM observer already running');
return; // Already set up
}
const observer = new MutationObserver((mutations) => {
// Only process if we're on a watch page
if (!isVideoWatchPage()) return;
const hasRelevantChanges = mutations.some(mutation =>
mutation.addedNodes && Array.from(mutation.addedNodes).some(node =>
node.nodeType === Node.ELEMENT_NODE &&
TARGET_SELECTORS.some(selector =>
node.querySelector?.(selector) || node.matches?.(selector)
)
)
);
if (hasRelevantChanges) {
utils.log('Relevant DOM changes detected, attempting to add/update download links');
addDownloadLinks();
}
});
observer.observe(document.body, {
childList: true,
subtree: true,
attributes: true,
attributeFilter: ['class', 'id'] // Watch for class changes too
});
state.observers.dom = observer;
utils.log('DOM observer setup complete');
}
function setupSPANavigation() {
if (state.observers.navigation) {
utils.log('SPA navigation observer already running');
return; // Already set up
}
let currentUrl = window.location.origin + window.location.pathname;
let currentPath = window.location.pathname;
const observer = new MutationObserver(utils.debounce(() => {
const urlChanged = (window.location.origin + window.location.pathname) !== currentUrl;
const pathChanged = window.location.pathname !== currentPath;
if (urlChanged || pathChanged) {
utils.log('SPA navigation detected', {
oldUrl: currentUrl,
newUrl: window.location.origin + window.location.pathname,
oldPath: currentPath,
newPath: window.location.pathname
});
currentUrl = window.location.origin + window.location.pathname;
currentPath = window.location.pathname;
handleNavigation();
}
}, 300));
observer.observe(document.body, {
childList: true,
subtree: true,
attributes: true,
attributeFilter: ['class', 'data-state', 'data-path']
});
state.observers.navigation = observer;
utils.log('SPA navigation observer setup complete');
}
function handleNavigation() {
const wasOnWatchPage = state.currentVideoId !== null;
const isNowWatchPage = isVideoWatchPage();
const currentVideoId = isNowWatchPage && getVideoId();
utils.log('Navigation handled', {
wasOnWatchPage,
isNowWatchPage,
previousVideoId: state.currentVideoId,
currentVideoId
});
state.currentVideoId = currentVideoId;
if (isNowWatchPage) {
utils.log('SPA navigation observer: On watch page, attempting to add/update download links');
addDownloadLinks();
}
}
function isDownloadLinksAdded() {
return document.querySelector('.nicovideo-downloader-links') !== null;
}
// Download functionality
async function initiateDownload(quality) {
if (state.isDownloadInProgress) {
utils.log('Download already in progress, skipping duplicate request');
return false;
}
try {
state.isDownloadInProgress = true;
const videoId = getVideoId();
if (!videoId) {
utils.error('Cannot download without video ID');
utils.alert('Error: Could not extract video ID from URL');
return false;
}
// Store preferences
await storage.setValue('nicovideoDownloadQuality', quality);
utils.log('Stored download preference', { quality });
// Handle navigation to ext.nicovideo.jp with quality parameter
const downloadUrl = `https://ext.nicovideo.jp/?${videoId}&quality=${encodeURIComponent(quality)}`
if (window.location.hostname === 'www.nicovideo.jp') {
window.open(downloadUrl, '_blank');
} else if (window.location.hostname === 'ext.nicovideo.jp') {
window.location.href = downloadUrl;
} else {
utils.error('Unsupported hostname:', window.location.hostname);
}
return true;
} catch (error) {
utils.error('Error initiating download:', error);
utils.alert('Error starting download. Please check console for details.');
return false;
} finally {
// Reset flag with delay to prevent rapid successive clicks
setTimeout(() => {
state.isDownloadInProgress = false;
}, 1500);
}
}
// UI components
function createDownloadLinks() {
try {
const videoId = getVideoId();
if (!videoId) {
utils.error('Cannot create download links without video ID');
return null;
}
const linksContainer = document.createElement('div');
linksContainer.className = 'd_flex gap_x0_5 ai_center nicovideo-downloader-links';
// Icon
const icon = document.createElement('span');
icon.className = 'nicovideo-downloader-icon';
icon.title = "Download";
icon.innerHTML = `<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 8 8" class="w_font h_font"><path fill="currentColor" d="M3 0v3H1l3 3l3-3H5V0zM0 7v1h8V7z"/></svg>`;
linksContainer.appendChild(icon);
// Label
const label = document.createElement('span');
label.textContent = ':';
label.className = 'nicovideo-downloader-colon';
linksContainer.appendChild(label);
// Download options
const options = [
{ text: 'Best', quality: 'best', title: 'Download the Video in the best available quality (1080p or lower).' },
{ text: '720p', quality: '720p', title: 'Download the Video in 720p resolution, if it is available. Otherwise, download the best lower resolution available.' },
{ text: '480p', quality: '480p', title: 'Download the Video in 480p resolution, if it is available. Otherwise, download the best lower resolution available.' },
{ text: '360p', quality: '360p', title: 'Download the Video in 360p resolution, if it is available. Otherwise, download the best lower resolution available.' },
{ text: '♫', quality: 'audio', title: 'Download Audio' }
];
options.forEach((option, index) => {
const link = createDownloadLink(option, videoId);
linksContainer.appendChild(link);
if (index < options.length - 1) {
const separator = document.createElement('span');
separator.textContent = '|';
separator.className = 'nicovideo-downloader-separator';
linksContainer.appendChild(separator);
}
});
utils.log('Download links created successfully');
return linksContainer;
} catch (error) {
utils.error('Error creating download links:', error);
return null;
}
}
function createDownloadLink(option, videoId) {
const link = document.createElement('a');
link.href = `https://ext.nicovideo.jp/?${videoId}&quality=${encodeURIComponent(option.quality)}`;
link.target = (window.location.hostname === 'www.nicovideo.jp') ? '_blank' : '_self';
link.textContent = option.text;
link.title = option.title;
link.dataset.quality = option.quality;
link.className = 'nicovideo-downloader-link';
link.addEventListener('click', async (e) => {
e.preventDefault();
await initiateDownload(option.quality);
});
return link;
}
function addDownloadLinks() {
try {
let targetContainer = null;
for (const selector of TARGET_SELECTORS) {
targetContainer = document.querySelector(selector);
if (targetContainer) {
utils.log(`Found container using selector: ${selector}`);
break;
}
}
if (!targetContainer) {
utils.log('Target container not found');
return false;
}
const existingLinks = targetContainer.querySelector('.nicovideo-downloader-links');
if (existingLinks) {
utils.log('Removing existing download links');
existingLinks.remove();
}
const linksContainer = createDownloadLinks();
if (linksContainer) {
const datePublishedElement = targetContainer.querySelector('time');
if (datePublishedElement.nextSibling) {
datePublishedElement.parentNode.insertBefore(linksContainer, datePublishedElement.nextSibling);
}
else {
targetContainer.appendChild(linksContainer);
}
utils.log('Download links added successfully');
return true;
}
return false;
} catch (error) {
utils.error('Error adding download links:', error);
return false;
}
}
// Menu commands
function registerMenuCommands() {
if (state.menuCommandsRegistered) {
return;
}
if (typeof GM !== 'undefined' && GM.registerMenuCommand) {
try {
const commands = [
{ name: 'Download Video Best Quality (1080p or lower)', quality: 'best', accessKey: 'b' },
{ name: 'Download Video 720p if available or lower best', quality: '720p', accessKey: '7' },
{ name: 'Download Video 480p if available or lower best', quality: '480p', accessKey: '4' },
{ name: 'Download Video 360p if available or lower best', quality: '360p', accessKey: '3' },
{ name: 'Download Audio', quality: 'audio', accessKey: 'a' }
];
commands.forEach(command => {
GM.registerMenuCommand(command.name, async () => {
await initiateDownload(command.quality);
}, command.accessKey);
});
state.menuCommandsRegistered = true;
utils.log('Menu commands registered');
} catch (error) {
utils.error('Error registering menu commands:', error);
}
}
}
// www.nicovideo.jp page handler
async function handleNicovideoPage() {
utils.log('On main nicovideo domain');
// Inject styles first
utils.injectStyles();
// Register menu commands if not already done
if (!state.menuCommandsRegistered) {
registerMenuCommands();
}
// Set up observers once
setupSPANavigation();
setupDOMObserver();
handleNavigation();
}
// ext.nicovideo.jp page handler
async function handleExtNicovideoPage() {
utils.log('Handling ext.nicovideo.jp page');
// Inject styles
utils.injectStyles();
try {
const videoId = getVideoId();
if (!videoId) {
utils.error('Cannot create download links without video ID');
const errorElement = document.createElement("p");
errorElement.className = 'nicovideo-downloader-links nicovideo-downloader-error ext-nicovideo';
errorElement.textContent = "[Nicovideo Downloader Script] ⚠ Error: No video ID was detected in the URL";
document.body.appendChild(errorElement);
return;
}
// Register menu commands if not already done
if (!state.menuCommandsRegistered) {
registerMenuCommands();
}
// Retrieve stored preferences
const quality = await storage.getValue('nicovideoDownloadQuality');
utils.log('Retrieved stored values', { quality });
// Create info element
const infoElement = document.createElement("p");
infoElement.className = 'nicovideo-downloader-links ext-nicovideo';
infoElement.textContent = "Download: " + (quality || 'No quality selected');
document.body.appendChild(infoElement);
// Clean up stored values
await storage.deleteValue('nicovideoDownloadQuality');
utils.log('Cleared stored values');
// Remove parameters from URL
let url = new URL(window.location.href);
const newURL = `${url.origin}${url.pathname}?${videoId}`;
history.replaceState(history.state, '', newURL);
// Load appropriate script or show links
if (quality) {
executeDownloadScript(quality);
} else {
const linksContainer = createDownloadLinks();
if (linksContainer) {
document.body.appendChild(linksContainer);
}
}
} catch (error) {
utils.error('Error occurred while handling the page:', error);
}
document.querySelectorAll('body *').forEach(el => el.classList.add('ext-nicovideo'));
}
// Cleanup functions
function cleanupObserver(observerType) {
if (state.observers[observerType]) {
state.observers[observerType].disconnect();
state.observers[observerType] = null;
utils.log(`Cleaned up ${observerType} observer`);
}
}
function cleanupAll() {
utils.log('Performing complete cleanup');
// Cleanup observers
Object.keys(state.observers).forEach(cleanupObserver);
// Run registered cleanup callbacks
state.cleanupCallbacks.forEach(callback => {
try {
callback();
} catch (error) {
utils.error('Error in cleanup callback:', error);
}
});
state.cleanupCallbacks = [];
state.isDownloadInProgress = false;
utils.log('Cleanup completed');
}
// Main page handler
async function handlePage() {
utils.log('Handling page', {
hostname: window.location.hostname,
pathname: window.location.pathname
});
try {
if (window.location.hostname === 'www.nicovideo.jp') {
await handleNicovideoPage();
} else if (window.location.hostname === 'ext.nicovideo.jp') {
await handleExtNicovideoPage();
} else {
utils.error('Unsupported hostname:', window.location.hostname);
}
} catch (error) {
utils.error('Error in handlePage:', error);
}
}
// Initialize script
function initialize() {
utils.log('Initializing NicoVideo Downloader');
// Start handling the current page
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', handlePage);
} else {
handlePage();
}
}
// Start the script
initialize();
// Fallback for the executeDownloadScript function in case it fails.
// Future updates to the Nicovideo website may cause the executeDownloadScript to stop working.
// So this might help if the Nicozon devs update the download scripts
function loadExternalDownloadScript(quality = 'best') {
const scriptSrc = EXTERNAL_SCRIPT_SOURCES[quality];
utils.log('function loadExternalDownloadScript: Loading download script:', scriptSrc);
const script = document.createElement('script');
script.setAttribute('charset', 'utf-8');
script.src = scriptSrc;
script.onload = () => utils.log('Download script loaded successfully');
script.onerror = () => {
utils.error('Failed to load download script:', scriptSrc);
alert('Download failed.');
};
document.body.appendChild(script);
}
// Taken from www.nicozon.net
// The function below is a combination of the following scripts:
// - Old bookmarklet code (best quality): "https://www.nicozon.net/js/bookmarklet_old.js",
// - Old version 720p limit bookmarklet code: "https://www.nicozon.net/js/bookmarklet_old_720p.js",
// - Old version 480p limit bookmarklet code: "https://www.nicozon.net/js/bookmarklet_old_480p.js",
// - Old version 360p limit bookmarklet code: "https://www.nicozon.net/js/bookmarklet_old_360p.js",
// - Old version audio only bookmarklet code: "https://www.nicozon.net/js/bookmarklet_old_audio.js"
function executeDownloadScript(quality) {
try {
function _typeof(n) {
"@babel/helpers - typeof";
_typeof = typeof Symbol == "function" && typeof Symbol.iterator == "symbol" ? function (n) {
return typeof n;
} : function (n) {
if (n && typeof Symbol == "function" && n.constructor === Symbol && n !== Symbol.prototype) {
return "symbol";
} else {
return typeof n;
}
};
return _typeof(n);
}
function _slicedToArray(n, t) {
return _arrayWithHoles(n) || _iterableToArrayLimit(n, t) || _unsupportedIterableToArray(n, t) || _nonIterableRest();
}
function _nonIterableRest() {
throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}
function _iterableToArrayLimit(n, t) {
var i = n == null ? null : typeof Symbol != "undefined" && n[Symbol.iterator] || n["@@iterator"];
if (i != null) {
var e;
var o;
var s;
var u;
var f = [];
var r = true;
var h = false;
try {
s = (i = i.call(n)).next;
if (t === 0) {
if (Object(i) !== i) {
return;
}
r = false;
}
} catch (n) {
h = true;
o = n;
} finally {
try {
if (!r && i.return != null) {
u = i.return();
if (Object(u) !== u) {
return;
}
}
} finally {
if (h) {
throw o;
}
}
}
return f;
}
}
function _arrayWithHoles(n) {
if (Array.isArray(n)) {
return n;
}
}
function _toConsumableArray(n) {
return _arrayWithoutHoles(n) || _iterableToArray(n) || _unsupportedIterableToArray(n) || _nonIterableSpread();
}
function _nonIterableSpread() {
throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}
function _unsupportedIterableToArray(n, t) {
if (n) {
if (typeof n == "string") {
return _arrayLikeToArray(n, t);
}
var i = {}.toString.call(n).slice(8, -1);
if (i === "Object" && n.constructor) {
i = n.constructor.name;
}
if (i === "Map" || i === "Set") {
return Array.from(n);
} else if (i === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(i)) {
return _arrayLikeToArray(n, t);
} else {
return;
}
}
}
function _iterableToArray(n) {
if (typeof Symbol != "undefined" && n[Symbol.iterator] != null || n["@@iterator"] != null) {
return Array.from(n);
}
}
function _arrayWithoutHoles(n) {
if (Array.isArray(n)) {
return _arrayLikeToArray(n);
}
}
function _arrayLikeToArray(n, t) {
if (t == null || t > n.length) {
t = n.length;
}
var i = 0;
for (var r = Array(t); i < t; i++) {
r[i] = n[i];
}
return r;
}
function _classCallCheck(n, t) {
if (!(n instanceof t)) {
throw new TypeError("Cannot call a class as a function");
}
}
function _defineProperties(n, t) {
var i;
for (var r = 0; r < t.length; r++) {
i = t[r];
i.enumerable = i.enumerable || false;
i.configurable = true;
if ("value" in i) {
i.writable = true;
}
Object.defineProperty(n, _toPropertyKey(i.key), i);
}
}
function _createClass(n, t, i) {
if (t) {
_defineProperties(n.prototype, t);
}
if (i) {
_defineProperties(n, i);
}
Object.defineProperty(n, "prototype", {writable: false});
return n;
}
function _defineProperty(n, t, i) {
if ((t = _toPropertyKey(t)) in n) {
Object.defineProperty(n, t, {value: i, enumerable: true, configurable: true, writable: true});
} else {
n[t] = i;
}
return n;
}
function _toPropertyKey(n) {
var t = _toPrimitive(n, "string");
if (_typeof(t) == "symbol") {
return t;
} else {
return t + "";
}
}
function _toPrimitive(n, t) {
var r;
if (_typeof(n) != "object" || !n) {
return n;
}
var i = n[Symbol.toPrimitive];
if (i !== void 0) {
r = i.call(n, t || "default");
if (_typeof(r) != "object") {
return r;
}
throw new TypeError("@@toPrimitive must return a primitive value.");
}
return (t === "string" ? String : Number)(n);
}
function concatUint8Array() {
var u = arguments.length;
var n = new Array(u);
for (var t = 0; t < u; t++) {
n[t] = arguments[t];
}
n = n.filter(Boolean);
var i = new Uint8Array(n.reduce(function (n, t) {
return n + t.byteLength;
}, 0));
var r = 0;
n.forEach(function (n) {
i.set(n, r);
r += n.byteLength;
});
return i;
}
function readBig16(n) {
var t = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
return (n[t] << 8) + (n[t + 1] || 0);
}
function readBig24(n) {
var t = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
return (n[t] << 16) + (n[t + 1] << 8) + (n[t + 2] || 0);
}
function readBig32(n) {
var t = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
return (n[t] << 24 >>> 0) + (n[t + 1] << 16) + (n[t + 2] << 8) + (n[t + 3] || 0);
}
function readBig64(n) {
var t = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
return readBig32(n, t) * MAX_SIZE + readBig32(n, t + 4);
}
function getAvcCodec(n) {
var r = "avc1.";
var t;
for (var i = 0; i < 3; i++) {
t = n[i].toString(16);
if (t.length < 2) {
t = "0".concat(t);
}
r += t;
}
return r;
}
function parse(n) {
var r;
var i;
var t;
if (!Array.isArray(n)) {
r = [];
i = "";
for (t = 0; t < n.length; t++) {
if (t % 2) {
i = n[t - 1] + n[t];
r.push(parseInt(i, 16));
i = "";
}
}
return r;
}
return n.map(function (n) {
return parseInt(n, 16);
});
}
function hashVal(n) {
var t = 0;
var r;
if (n.length === 0) {
return t;
}
for (var i = 0; i < n.length; i++) {
r = n.charCodeAt(i);
t = (t << 5) - t + r | 0;
}
return t;
}
function getSamples(n, t, i, r, u, f) {
var p = [];
var w = u === null || u === void 0 ? void 0 : u.entries;
var s = t.entries;
var nt = r.entries;
var tt = i.entrySizes;
var l = f === null || f === void 0 ? void 0 : f.entries;
var a;
var h;
if (l) {
a = {};
l.forEach(function (n) {
a[n - 1] = true;
});
}
if (w) {
h = [];
w.forEach(function (n) {
var i = n.count;
var r = n.offset;
for (var t = 0; t < i; t++) {
h.push(r);
}
});
}
var e;
var b = -1;
var k = 0;
var o = 0;
var v = 0;
var c = 0;
var y = 0;
var d = s[0].samplesPerChunk;
var g = s[1] ? s[1].firstChunk - 1 : Infinity;
n.entries.forEach(function (n) {
var u = n.count;
var t = n.delta;
for (var r = 0; r < u; r++) {
e = {dts: k, duration: t, size: tt[o] || i.sampleSize, offset: nt[v] + y, index: o};
if (l) {
e.keyframe = a[o];
if (e.keyframe) {
b++;
}
e.gopId = b;
}
if (h && o < h.length) {
e.pts = e.dts + h[o];
}
p.push(e);
k += t;
o++;
if (o < d) {
y += e.size;
} else {
v++;
y = 0;
if (v >= g) {
c++;
g = s[c + 1] ? s[c + 1].firstChunk - 1 : Infinity;
}
d += s[c].samplesPerChunk;
}
}
});
return p;
}
function parseVisualSampleEntry(n, t) {
n.dataReferenceIndex = readBig16(t, 6);
n.width = readBig16(t, 24);
n.height = readBig16(t, 26);
n.horizresolution = readBig32(t, 28);
n.vertresolution = readBig32(t, 32);
n.frameCount = readBig16(t, 40);
n.depth = readBig16(t, 74);
return 78;
}
function parseAudioSampleEntry(n, t) {
n.dataReferenceIndex = readBig16(t, 6);
n.channelCount = readBig16(t, 16);
n.sampleSize = readBig16(t, 18);
n.sampleRate = readBig32(t, 24) / 65536;
return 28;
}
function parseBox(n, t, i) {
if (n) {
if (n.size !== n.data.length) {
throw new Error("box ".concat(n.type, " size !== data.length"));
}
var r = {start: n.start, size: n.size, headerSize: n.headerSize, type: n.type};
if (t) {
r.version = n.data[n.headerSize];
r.flags = readBig24(n.data, n.headerSize + 1);
r.headerSize += 4;
}
i(r, n.data.subarray(r.headerSize), r.start + r.headerSize);
return r;
}
}
function Concat(n) {
var e = 0;
var i = arguments.length;
var r = new Array(i > 1 ? i - 1 : 0);
for (var t = 1; t < i; t++) {
r[t - 1] = arguments[t];
}
r.forEach(function (n) {
e += n.length;
});
var u = new n(e);
var f = 0;
r.forEach(function (n) {
u.set(n, f);
f += n.length;
});
return u;
}
var _MP;
var MAX_SIZE = Math.pow(2, 32);
var TrackType = {VIDEO: "video", AUDIO: "audio", METADATA: "metadata"};
var VideoCodecType = {AVC: "avc", HEVC: "hevc"};
var AudioCodecType = {AAC: "aac", G711PCMA: "g7110a", G711PCMU: "g7110m"};
var VideoTrack = function () {
function n() {
_classCallCheck(this, n);
_defineProperty(this, "id", 1);
_defineProperty(this, "type", TrackType.VIDEO);
_defineProperty(this, "codecType", VideoCodecType.AVC);
_defineProperty(this, "pid", -1);
_defineProperty(this, "hvcC", undefined);
_defineProperty(this, "codec", "");
_defineProperty(this, "timescale", 0);
_defineProperty(this, "formatTimescale", 0);
_defineProperty(this, "sequenceNumber", 0);
_defineProperty(this, "baseMediaDecodeTime", 0);
_defineProperty(this, "baseDts", 0);
_defineProperty(this, "duration", 0);
_defineProperty(this, "warnings", []);
_defineProperty(this, "samples", []);
_defineProperty(this, "pps", []);
_defineProperty(this, "sps", []);
_defineProperty(this, "vps", []);
_defineProperty(this, "fpsNum", 0);
_defineProperty(this, "fpsDen", 0);
_defineProperty(this, "sarRatio", []);
_defineProperty(this, "width", 0);
_defineProperty(this, "height", 0);
_defineProperty(this, "nalUnitSize", 4);
_defineProperty(this, "present", false);
_defineProperty(this, "isVideoEncryption", false);
_defineProperty(this, "isAudioEncryption", false);
_defineProperty(this, "isVideo", true);
_defineProperty(this, "kid", null);
_defineProperty(this, "pssh", null);
_defineProperty(this, "ext", void 0);
}
return _createClass(n, [{key: "reset", value: function () {
this.sequenceNumber = this.width = this.height = this.fpsDen = this.fpsNum = this.duration = this.baseMediaDecodeTime = this.timescale = 0;
this.codec = "";
this.present = false;
this.pid = -1;
this.pps = [];
this.sps = [];
this.vps = [];
this.sarRatio = [];
this.samples = [];
this.warnings = [];
this.hvcC = null;
}}, {key: "exist", value: function () {
return !!this.pps.length && !!this.sps.length && !!this.codec;
}}, {key: "hasSample", value: function () {
return !!this.samples.length;
}}, {key: "isEncryption", get: function () {
return this.isVideoEncryption;
}}]);
}();
var AudioTrack = function () {
function n() {
_classCallCheck(this, n);
_defineProperty(this, "id", 2);
_defineProperty(this, "type", TrackType.AUDIO);
_defineProperty(this, "codecType", AudioCodecType.AAC);
_defineProperty(this, "pid", -1);
_defineProperty(this, "codec", "");
_defineProperty(this, "sequenceNumber", 0);
_defineProperty(this, "sampleDuration", 0);
_defineProperty(this, "timescale", 0);
_defineProperty(this, "formatTimescale", 0);
_defineProperty(this, "baseMediaDecodeTime", 0);
_defineProperty(this, "duration", 0);
_defineProperty(this, "warnings", []);
_defineProperty(this, "samples", []);
_defineProperty(this, "baseDts", 0);
_defineProperty(this, "sampleSize", 16);
_defineProperty(this, "sampleRate", 0);
_defineProperty(this, "channelCount", 0);
_defineProperty(this, "objectType", 0);
_defineProperty(this, "sampleRateIndex", 0);
_defineProperty(this, "config", []);
_defineProperty(this, "present", false);
_defineProperty(this, "isVideoEncryption", false);
_defineProperty(this, "isAudioEncryption", false);
_defineProperty(this, "kid", null);
_defineProperty(this, "ext", void 0);
}
return _createClass(n, [{key: "reset", value: function () {
this.sequenceNumber = 0;
this.timescale = 0;
this.sampleDuration = 0;
this.sampleRate = 0;
this.channelCount = 0;
this.baseMediaDecodeTime = 0;
this.present = false;
this.pid = -1;
this.codec = "";
this.samples = [];
this.config = [];
this.warnings = [];
}}, {key: "exist", value: function () {
return !!this.sampleRate && !!this.channelCount && !!this.codec && this.codecType === AudioCodecType.AAC;
}}, {key: "hasSample", value: function () {
return !!this.samples.length;
}}, {key: "isEncryption", get: function () {
return this.isAudioEncryption;
}}]);
}();
var Sample = _createClass(function Sample(n, t) {
_classCallCheck(this, Sample);
_defineProperty(this, "time", 0);
this.data = n;
this.originPts = this.pts = t;
});
var MetadataTrack = function () {
function n() {
_classCallCheck(this, n);
_defineProperty(this, "id", 3);
_defineProperty(this, "type", TrackType.METADATA);
_defineProperty(this, "timescale", 0);
_defineProperty(this, "flvScriptSamples", []);
_defineProperty(this, "seiSamples", []);
}
return _createClass(n, [{key: "exist", value: function () {
return (!!this.flvScriptSamples.length || !!this.seiSamples.length) && !!this.timescale;
}}, {key: "reset", value: function () {
this.timescale = 0;
this.flvScriptSamples = [];
this.seiSamples = [];
}}, {key: "hasSample", value: function () {
return !!this.flvScriptSamples.length || !!this.seiSamples.length;
}}]);
}();
var VideoSample = function () {
function n(t, i, r) {
_classCallCheck(this, n);
_defineProperty(this, "flag", {});
_defineProperty(this, "keyframe", false);
_defineProperty(this, "gopId", 0);
_defineProperty(this, "duration", 0);
_defineProperty(this, "size", 0);
_defineProperty(this, "units", []);
_defineProperty(this, "chromaFormat", 420);
this.originPts = this.pts = t;
this.originDts = this.dts = i;
if (r) {
this.units = r;
}
}
return _createClass(n, [{key: "cts", get: function () {
return this.pts - this.dts;
}}, {key: "setToKeyframe", value: function () {
this.keyframe = true;
this.flag.dependsOn = 2;
this.flag.isNonSyncSample = 0;
}}]);
}();
var AudioSample = _createClass(function AudioSample(n, t, i, r) {
_classCallCheck(this, AudioSample);
_defineProperty(this, "duration", 1024);
_defineProperty(this, "flag", {dependsOn: 2, isNonSyncSample: 0});
_defineProperty(this, "keyframe", true);
this.originPts = this.pts = this.dts = n;
this.data = t;
this.size = t.byteLength;
this.sampleOffset = r;
if (i) {
this.duration = i;
}
});
var AAC = function () {
function n() {
_classCallCheck(this, n);
}
return _createClass(n, null, [{key: "getRateIndexByRate", value: function (t) {
return n.FREQ.indexOf(t);
}}, {key: "getFrameDuration", value: function (n) {
var t = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 9e4;
return 1024 * t / n;
}}]);
}();
var MP4Parser;
var padStart;
var toHex;
var video_id;
var t;
_defineProperty(AAC, "FREQ", [96e3, 88200, 64e3, 48e3, 44100, 32e3, 24e3, 22050, 16e3, 12e3, 11025, 8e3, 7350]);
MP4Parser = function () {
function n() {
_classCallCheck(this, n);
}
return _createClass(n, null, [{key: "findBox", value: function (t, i) {
var f = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
var e = [];
var s;
if (!t) {
return e;
}
var r = 0;
var o = "";
for (var u = 0; t.length > 7;) {
r = readBig32(t);
o = String.fromCharCode.apply(null, t.subarray(4, 8));
u = 8;
if (r === 1) {
r = readBig64(t, 8);
u += 8;
} else if (!r) {
r = t.length;
}
if (!i[0] || o === i[0]) {
s = t.subarray(0, r);
if (i.length < 2) {
e.push({start: f, size: r, headerSize: u, type: o, data: s});
} else {
return n.findBox(s.subarray(u), i.slice(1), f + u);
}
}
f += r;
t = t.subarray(r);
}
return e;
}}, {key: "tfhd", value: function (n) {
return parseBox(n, true, function (n, t) {
n.trackId = readBig32(t);
var i = 4;
var r = n.flags & 1;
var u = n.flags & 2;
var f = n.flags & 8;
var e = n.flags & 16;
var o = n.flags & 32;
if (r) {
i += 4;
n.baseDataOffset = readBig32(t, i);
i += 4;
}
if (u) {
n.sampleDescriptionIndex = readBig32(t, i);
i += 4;
}
if (f) {
n.defaultSampleDuration = readBig32(t, i);
i += 4;
}
if (e) {
n.defaultSampleSize = readBig32(t, i);
i += 4;
}
if (o) {
n.defaultSampleFlags = readBig32(t, i);
}
});
}}, {key: "sidx", value: function (n) {
return parseBox(n, true, function (n, t) {
var i = 0;
var r;
var u;
n.reference_ID = readBig32(t, i);
i += 4;
n.timescale = readBig32(t, i);
i += 4;
if (n.version === 0) {
n.earliest_presentation_time = readBig32(t, i);
i += 4;
n.first_offset = readBig32(t, i);
i += 4;
} else {
n.earliest_presentation_time = readBig64(t, i);
i += 8;
n.first_offset = readBig64(t, i);
i += 8;
}
i += 2;
n.references = [];
var e = readBig16(t, i);
i += 2;
for (var f = 0; f < e; f++) {
r = {};
n.references.push(r);
u = readBig32(t, i);
i += 4;
r.reference_type = u >> 31 & 1;
r.referenced_size = u & 2147483647;
r.subsegment_duration = readBig32(t, i);
i += 4;
u = readBig32(t, i);
i += 4;
r.starts_with_SAP = u >> 31 & 1;
r.SAP_type = u >> 28 & 7;
r.SAP_delta_time = u & 268435455;
}
});
}}, {key: "moov", value: function (t) {
return parseBox(t, false, function (t, i, r) {
t.mvhd = n.mvhd(n.findBox(i, ["mvhd"], r)[0]);
t.trak = n.findBox(i, ["trak"], r).map(function (t) {
return n.trak(t);
});
t.pssh = n.pssh(n.findBox(i, ["pssh"], r)[0]);
});
}}, {key: "mvhd", value: function (n) {
return parseBox(n, true, function (n, t) {
var i = 0;
if (n.version === 1) {
n.timescale = readBig32(t, 16);
n.duration = readBig64(t, 20);
i += 28;
} else {
n.timescale = readBig32(t, 8);
n.duration = readBig32(t, 12);
i += 16;
}
n.nextTrackId = readBig32(t, i + 76);
});
}}, {key: "trak", value: function (t) {
return parseBox(t, false, function (t, i, r) {
t.tkhd = n.tkhd(n.findBox(i, ["tkhd"], r)[0]);
t.mdia = n.mdia(n.findBox(i, ["mdia"], r)[0]);
});
}}, {key: "tkhd", value: function (n) {
return parseBox(n, true, function (n, t) {
var i = 0;
if (n.version === 1) {
n.trackId = readBig32(t, 16);
n.duration = readBig64(t, 24);
i += 32;
} else {
n.trackId = readBig32(t, 8);
n.duration = readBig32(t, 16);
i += 20;
}
n.width = readBig32(t, i + 52);
n.height = readBig32(t, i + 56);
});
}}, {key: "mdia", value: function (t) {
return parseBox(t, false, function (t, i, r) {
t.mdhd = n.mdhd(n.findBox(i, ["mdhd"], r)[0]);
t.hdlr = n.hdlr(n.findBox(i, ["hdlr"], r)[0]);
t.minf = n.minf(n.findBox(i, ["minf"], r)[0]);
});
}}, {key: "mdhd", value: function (n) {
return parseBox(n, true, function (n, t) {
var r = 0;
if (n.version === 1) {
n.timescale = readBig32(t, 16);
n.duration = readBig64(t, 20);
r += 28;
} else {
n.timescale = readBig32(t, 8);
n.duration = readBig32(t, 12);
r += 16;
}
var i = readBig16(t, r);
n.language = String.fromCharCode((i >> 10 & 31) + 96, (i >> 5 & 31) + 96, (i & 31) + 96);
});
}}, {key: "hdlr", value: function (n) {
return parseBox(n, true, function (n, t) {
if (n.version === 0) {
n.handlerType = String.fromCharCode.apply(null, t.subarray(4, 8));
}
});
}}, {key: "minf", value: function (t) {
return parseBox(t, false, function (t, i, r) {
t.vmhd = n.vmhd(n.findBox(i, ["vmhd"], r)[0]);
t.smhd = n.smhd(n.findBox(i, ["smhd"], r)[0]);
t.stbl = n.stbl(n.findBox(i, ["stbl"], r)[0]);
});
}}, {key: "vmhd", value: function (n) {
return parseBox(n, true, function (n, t) {
n.graphicsmode = readBig16(t);
n.opcolor = [readBig16(t, 2), readBig16(t, 4), readBig16(t, 6)];
});
}}, {key: "smhd", value: function (n) {
return parseBox(n, true, function (n, t) {
n.balance = readBig16(t);
});
}}, {key: "stbl", value: function (t) {
return parseBox(t, false, function (t, i, r) {
var u;
t.stsd = n.stsd(n.findBox(i, ["stsd"], r)[0]);
t.stts = n.stts(n.findBox(i, ["stts"], r)[0]);
t.ctts = n.ctts(n.findBox(i, ["ctts"], r)[0]);
t.stsc = n.stsc(n.findBox(i, ["stsc"], r)[0]);
t.stsz = n.stsz(n.findBox(i, ["stsz"], r)[0]);
t.stco = n.stco(n.findBox(i, ["stco"], r)[0]);
if (!t.stco) {
t.co64 = n.co64(n.findBox(i, ["co64"], r)[0]);
t.stco = t.co64;
}
var f = (u = t.stsd.entries[0]) === null || u === void 0 || (u = u.sinf) === null || u === void 0 || (u = u.schi) === null || u === void 0 ? void 0 : u.tenc.default_IV_size;
t.stss = n.stss(n.findBox(i, ["stss"], r)[0]);
t.senc = n.senc(n.findBox(i, ["senc"], r)[0], f);
});
}}, {key: "senc", value: function (n) {
var t = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 8;
return parseBox(n, true, function (n, i) {
var r = 0;
var c = readBig32(i, r);
var u;
var f;
var h;
var s;
var e;
r += 4;
n.samples = [];
for (var o = 0; o < c; o++) {
u = {};
u.InitializationVector = [];
for (f = 0; f < t; f++) {
u.InitializationVector[f] = i[r + f];
}
r += t;
if (n.flags & 2) {
u.subsamples = [];
h = readBig16(i, r);
r += 2;
for (s = 0; s < h; s++) {
e = {};
e.BytesOfClearData = readBig16(i, r);
r += 2;
e.BytesOfProtectedData = readBig32(i, r);
r += 4;
u.subsamples.push(e);
}
}
n.samples.push(u);
}
});
}}, {key: "pssh", value: function (n) {
return parseBox(n, true, function (n, t) {
var s;
var u;
var f;
var h;
var e = [];
var o = [];
var i = 0;
for (var r = 0; r < 16; r++) {
o.push(toHex(t[i + r]));
}
i += 16;
if (n.version > 0) {
s = readBig32(t, i);
i += 4;
for (u = 0; u < ("" + s).length; u++) {
for (f = 0; f < 16; f++) {
h = t[i];
i += 1;
e.push(toHex(h));
}
}
}
var c = readBig32(t, i);
n.data_size = c;
i += 4;
n.kid = e;
n.system_id = o;
n.buffer = t;
});
}}, {key: "stsd", value: function (t) {
return parseBox(t, true, function (t, i, r) {
t.entryCount = readBig32(i);
t.entries = n.findBox(i.subarray(4), [], r + 4).map(function (t) {
switch (t.type) {
case "avc1":
case "avc2":
case "avc3":
case "avc4":
return n.avc1(t);
case "hvc1":
case "hev1":
return n.hvc1(t);
case "mp4a":
return n.mp4a(t);
case "alaw":
case "ulaw":
return n.alaw(t);
case "enca":
return parseBox(t, false, function (t, i, r) {
t.channelCount = readBig16(i, 16);
t.samplesize = readBig16(i, 18);
t.sampleRate = readBig32(i, 24) / 65536;
i = i.subarray(28);
t.sinf = n.sinf(n.findBox(i, ["sinf"], r)[0]);
t.esds = n.esds(n.findBox(i, ["esds"], r)[0]);
});
case "encv":
return parseBox(t, false, function (t, i, r) {
t.width = readBig16(i, 24);
t.height = readBig16(i, 26);
t.horizresolution = readBig32(i, 28);
t.vertresolution = readBig32(i, 32);
i = i.subarray(78);
t.sinf = n.sinf(n.findBox(i, ["sinf"], r)[0]);
t.avcC = n.avcC(n.findBox(i, ["avcC"], r)[0]);
t.hvcC = n.hvcC(n.findBox(i, ["hvcC"], r)[0]);
t.pasp = n.pasp(n.findBox(i, ["pasp"], r)[0]);
});
}
}).filter(Boolean);
});
}}, {key: "tenc", value: function (n) {
return parseBox(n, false, function (n, t) {
var i = 6;
n.default_IsEncrypted = t[i];
i += 1;
n.default_IV_size = t[i];
i += 1;
n.default_KID = [];
for (var r = 0; r < 16; r++) {
n.default_KID.push(toHex(t[i]));
i += 1;
}
});
}}, {key: "schi", value: function (t) {
return parseBox(t, false, function (t, i, r) {
t.tenc = n.tenc(n.findBox(i, ["tenc"], r)[0]);
});
}}, {key: "sinf", value: function (t) {
return parseBox(t, false, function (t, i, r) {
t.schi = n.schi(n.findBox(i, ["schi"], r)[0]);
t.frma = n.frma(n.findBox(i, ["frma"], r)[0]);
});
}}, {key: "frma", value: function (n) {
return parseBox(n, false, function (n, t) {
n.data_format = "";
for (var i = 0; i < 4; i++) {
n.data_format += String.fromCharCode(t[i]);
}
});
}}, {key: "avc1", value: function (t) {
return parseBox(t, false, function (t, i, r) {
var u = parseVisualSampleEntry(t, i);
var f = i.subarray(u);
r += u;
t.avcC = n.avcC(n.findBox(f, ["avcC"], r)[0]);
t.pasp = n.pasp(n.findBox(f, ["pasp"], r)[0]);
});
}}, {key: "avcC", value: function (n) {
return parseBox(n, false, function (n, t) {
var u;
var e;
n.configurationVersion = t[0];
n.AVCProfileIndication = t[1];
n.profileCompatibility = t[2];
n.AVCLevelIndication = t[3];
n.codec = getAvcCodec([t[1], t[2], t[3]]);
n.lengthSizeMinusOne = t[4] & 3;
n.spsLength = t[5] & 31;
n.sps = [];
var i = 6;
for (var r = 0; r < n.spsLength; r++) {
u = readBig16(t, i);
i += 2;
n.sps.push(t.subarray(i, i + u));
i += u;
}
n.ppsLength = t[i];
i += 1;
n.pps = [];
for (var f = 0; f < n.ppsLength; f++) {
e = readBig16(t, i);
i += 2;
n.pps.push(t.subarray(i, i += e));
i += e;
}
});
}}, {key: "hvc1", value: function (t) {
return parseBox(t, false, function (t, i, r) {
var u = parseVisualSampleEntry(t, i);
var f = i.subarray(u);
r += u;
t.hvcC = n.hvcC(n.findBox(f, ["hvcC"], r)[0]);
t.pasp = n.pasp(n.findBox(f, ["pasp"], r)[0]);
});
}}, {key: "hvcC", value: function (n) {
return parseBox(n, false, function (t, i) {
var u;
var h;
var l;
var a;
var v;
t.data = n.data;
t.codec = "hev1.1.6.L93.B0";
t.configurationVersion = i[0];
var f = i[1];
t.generalProfileSpace = f >> 6;
t.generalTierFlag = (f & 32) >> 5;
t.generalProfileIdc = f & 31;
t.generalProfileCompatibility = readBig32(i, 2);
t.generalConstraintIndicatorFlags = i.subarray(6, 12);
t.generalLevelIdc = i[12];
t.avgFrameRate = readBig16(i, 19);
t.numOfArrays = i[22];
t.vps = [];
t.sps = [];
t.pps = [];
var r = 23;
var e = 0;
var c = 0;
var o = 0;
for (var s = 0; s < t.numOfArrays; s++) {
e = i[r] & 63;
c = readBig16(i, r + 1);
r += 3;
u = [];
for (h = 0; h < c; h++) {
o = readBig16(i, r);
r += 2;
u.push(i.subarray(r, r + o));
r += o;
}
if (e === 32) {
(l = t.vps).push.apply(l, u);
} else if (e === 33) {
(a = t.sps).push.apply(a, u);
} else if (e === 34) {
(v = t.pps).push.apply(v, u);
}
}
});
}}, {key: "pasp", value: function (n) {
return parseBox(n, false, function (n, t) {
n.hSpacing = readBig32(t);
n.vSpacing = readBig32(t, 4);
});
}}, {key: "mp4a", value: function (t) {
return parseBox(t, false, function (t, i, r) {
var u = parseAudioSampleEntry(t, i);
t.esds = n.esds(n.findBox(i.subarray(u), ["esds"], r + u)[0]);
});
}}, {key: "esds", value: function (n) {
return parseBox(n, true, function (n, t) {
var u;
var f;
n.codec = "mp4a.";
var i = 0;
var r = 0;
var o = 0;
for (var e = 0; t.length;) {
i = 0;
e = t[i];
r = t[i + 1];
for (i += 2; r & 128;) {
o = (r & 127) << 7;
r = t[i];
i += 1;
}
o += r & 127;
if (e === 3) {
t = t.subarray(i + 3);
} else if (e === 4) {
n.codec += (t[i].toString(16) + ".").padStart(3, "0");
t = t.subarray(i + 13);
} else {
if (e === 5) {
u = n.config = t.subarray(i, i + o);
f = (u[0] & 248) >> 3;
if (f === 31 && u.length >= 2) {
f = 32 + ((u[0] & 7) << 3) + ((u[1] & 224) >> 5);
}
n.objectType = f;
n.codec += f.toString(16);
if (n.codec[n.codec.length - 1] === ".") {
n.codec = n.codec.substring(0, n.codec.length - 1);
}
return;
}
if (n.codec[n.codec.length - 1] === ".") {
n.codec = n.codec.substring(0, n.codec.length - 1);
}
return;
}
}
});
}}, {key: "alaw", value: function (n) {
return parseBox(n, false, function (n, t) {
parseAudioSampleEntry(n, t);
});
}}, {key: "stts", value: function (n) {
return parseBox(n, true, function (n, t) {
var r = readBig32(t);
var u = [];
var i = 4;
for (var f = 0; f < r; f++) {
u.push({count: readBig32(t, i), delta: readBig32(t, i + 4)});
i += 8;
}
n.entryCount = r;
n.entries = u;
});
}}, {key: "ctts", value: function (n) {
return parseBox(n, true, function (n, t) {
var r = readBig32(t);
var u = [];
var i = 4;
var f;
var e;
if (n.version === 1) {
for (f = 0; f < r; f++) {
u.push({count: readBig32(t, i), offset: readBig32(t, i + 4)});
i += 8;
}
} else {
for (e = 0; e < r; e++) {
u.push({count: readBig32(t, i), offset: -(~readBig32(t, i + 4) + 1)});
i += 8;
}
}
n.entryCount = r;
n.entries = u;
});
}}, {key: "stsc", value: function (n) {
return parseBox(n, true, function (n, t) {
var r = readBig32(t);
var u = [];
var i = 4;
for (var f = 0; f < r; f++) {
u.push({firstChunk: readBig32(t, i), samplesPerChunk: readBig32(t, i + 4), sampleDescriptionIndex: readBig32(t, i + 8)});
i += 12;
}
n.entryCount = r;
n.entries = u;
});
}}, {key: "stsz", value: function (n) {
return parseBox(n, true, function (n, t) {
var u = readBig32(t);
var f = readBig32(t, 4);
var e = [];
var i;
var r;
if (!u) {
i = 8;
for (r = 0; r < f; r++) {
e.push(readBig32(t, i));
i += 4;
}
}
n.sampleSize = u;
n.sampleCount = f;
n.entrySizes = e;
});
}}, {key: "stco", value: function (n) {
return parseBox(n, true, function (n, t) {
var i = readBig32(t);
var r = [];
var u = 4;
for (var f = 0; f < i; f++) {
r.push(readBig32(t, u));
u += 4;
}
n.entryCount = i;
n.entries = r;
});
}}, {key: "co64", value: function (n) {
return parseBox(n, true, function (n, t) {
var i = readBig32(t);
var r = [];
var u = 4;
for (var f = 0; f < i; f++) {
r.push(readBig64(t, u));
u += 8;
}
n.entryCount = i;
n.entries = r;
});
}}, {key: "stss", value: function (n) {
return parseBox(n, true, function (n, t) {
var i = readBig32(t);
var r = [];
var u = 4;
for (var f = 0; f < i; f++) {
r.push(readBig32(t, u));
u += 4;
}
n.entryCount = i;
n.entries = r;
});
}}, {key: "moof", value: function (t) {
return parseBox(t, false, function (t, i, r) {
t.mfhd = n.mfhd(n.findBox(i, ["mfhd"], r)[0]);
t.traf = n.findBox(i, ["traf"], r).map(function (t) {
return n.traf(t);
});
});
}}, {key: "mfhd", value: function (n) {
return parseBox(n, true, function (n, t) {
n.sequenceNumber = readBig32(t);
});
}}, {key: "traf", value: function (t) {
return parseBox(t, false, function (t, i, r) {
t.tfhd = n.tfhd(n.findBox(i, ["tfhd"], r)[0]);
t.tfdt = n.tfdt(n.findBox(i, ["tfdt"], r)[0]);
t.trun = n.trun(n.findBox(i, ["trun"], r)[0]);
});
}}, {key: "trun", value: function (n) {
return parseBox(n, true, function (n, t) {
var o = n.version;
var r = n.flags;
var f = t.length;
var s = n.sampleCount = readBig32(t);
var i = 4;
var u;
var e;
if (f > i && r & 1) {
n.dataOffset = -(~readBig32(t, i) + 1);
i += 4;
}
if (f > i && r & 4) {
n.firstSampleFlags = readBig32(t, i);
i += 4;
}
n.samples = [];
if (f > i) {
for (e = 0; e < s; e++) {
u = {};
if (r & 256) {
u.duration = readBig32(t, i);
i += 4;
}
if (r & 512) {
u.size = readBig32(t, i);
i += 4;
}
if (r & 1024) {
u.flags = readBig32(t, i);
i += 4;
}
if (r & 2048) {
u.cts = o ? readBig32(t, i) : -(~readBig32(t, i + 4) + 1);
i += 4;
}
n.samples.push(u);
}
}
});
}}, {key: "tfdt", value: function (n) {
return parseBox(n, true, function (n, t) {
n.baseMediaDecodeTime = n.version === 1 ? readBig64(t) : readBig32(t);
});
}}, {key: "probe", value: function (t) {
return !!n.findBox(t, ["ftyp"]);
}}, {key: "parseSampleFlags", value: function (n) {
return {isLeading: (n[0] & 12) >>> 2, dependsOn: n[0] & 3, isDependedOn: (n[1] & 192) >>> 6, hasRedundancy: (n[1] & 48) >>> 4, paddingValue: (n[1] & 14) >>> 1, isNonSyncSample: n[1] & 1, degradationPriority: n[2] << 8 | n[3]};
}}, {key: "moovToTrack", value: function (n, t, i) {
var tt;
var it;
var nt = n.trak;
var o;
var s;
var rt;
var h;
var c;
var u;
var ut;
var f;
var v;
var y;
var p;
var w;
var ft;
var et;
var ot;
var l;
var a;
var r;
var st;
var e;
var b;
var k;
var d;
var g;
if (nt && nt.length) {
o = nt.find(function (n) {
var t;
return ((t = n.mdia) === null || t === void 0 || (t = t.hdlr) === null || t === void 0 ? void 0 : t.handlerType) === "vide";
});
s = nt.find(function (n) {
var t;
return ((t = n.mdia) === null || t === void 0 || (t = t.hdlr) === null || t === void 0 ? void 0 : t.handlerType) === "soun";
});
if (o && t) {
u = t;
ut = (rt = o.tkhd) === null || rt === void 0 ? void 0 : rt.trackId;
if (ut !== null && ut !== undefined) {
u.id = o.tkhd.trackId;
}
u.tkhdDuration = o.tkhd.duration;
u.mvhdDurtion = n.mvhd.duration;
u.mvhdTimecale = n.mvhd.timescale;
u.timescale = u.formatTimescale = o.mdia.mdhd.timescale;
u.duration = o.mdia.mdhd.duration || u.mvhdDurtion / u.mvhdTimecale * u.timescale;
f = o.mdia.minf.stbl.stsd.entries[0];
u.width = f.width;
u.height = f.height;
if (f.pasp) {
u.sarRatio = [f.pasp.hSpacing, f.pasp.vSpacing];
}
if (f.hvcC) {
u.codecType = VideoCodecType.HEVC;
u.codec = f.hvcC.codec;
u.vps = f.hvcC.vps;
u.sps = f.hvcC.sps;
u.pps = f.hvcC.pps;
u.hvcC = f.hvcC.data;
} else if (f.avcC) {
u.codec = f.avcC.codec;
u.sps = f.avcC.sps;
u.pps = f.avcC.pps;
} else {
throw new Error("unknown video stsd entry");
}
u.present = true;
u.ext = {};
u.ext.stss = (h = o.mdia) === null || h === void 0 || (h = h.minf) === null || h === void 0 || (h = h.stbl) === null || h === void 0 ? void 0 : h.stss;
u.ext.ctts = (c = o.mdia) === null || c === void 0 || (c = c.minf) === null || c === void 0 || (c = c.stbl) === null || c === void 0 ? void 0 : c.ctts;
if (f && f.type === "encv") {
u.isVideoEncryption = true;
f.default_KID = (v = f.sinf) === null || v === void 0 || (v = v.schi) === null || v === void 0 ? void 0 : v.tenc.default_KID;
f.default_IsEncrypted = (y = f.sinf) === null || y === void 0 || (y = y.schi) === null || y === void 0 ? void 0 : y.tenc.default_IsEncrypted;
f.default_IV_size = (p = f.sinf) === null || p === void 0 || (p = p.schi) === null || p === void 0 ? void 0 : p.tenc.default_IV_size;
u.videoSenc = o.mdia.minf.stbl.senc && o.mdia.minf.stbl.senc.samples;
f.data_format = (w = f.sinf) === null || w === void 0 || (w = w.frma) === null || w === void 0 ? void 0 : w.data_format;
u.useEME = n.useEME;
u.kidValue = n.kidValue;
u.pssh = n.pssh;
u.encv = f;
}
}
if (s && i) {
r = i;
st = (ft = s.tkhd) === null || ft === void 0 ? void 0 : ft.trackId;
if (st !== null && st !== undefined) {
r.id = s.tkhd.trackId;
}
r.tkhdDuration = s.tkhd.duration;
r.mvhdDurtion = n.mvhd.duration;
r.mvhdTimecale = n.mvhd.timescale;
r.timescale = r.formatTimescale = s.mdia.mdhd.timescale;
r.duration = s.mdia.mdhd.duration || r.mvhdDurtion / r.mvhdTimecale * r.timescale;
e = s.mdia.minf.stbl.stsd.entries[0];
r.sampleSize = e.sampleSize;
r.sampleRate = e.sampleRate;
r.channelCount = e.channelCount;
r.present = true;
switch (e.type) {
case "alaw":
r.codecType = r.codec = AudioCodecType.G711PCMA;
r.sampleRate = 8e3;
break;
case "ulaw":
r.codecType = r.codec = AudioCodecType.G711PCMU;
r.sampleRate = 8e3;
break;
default:
r.sampleDuration = AAC.getFrameDuration(r.sampleRate, r.timescale);
r.sampleRateIndex = AAC.getRateIndexByRate(r.sampleRate);
r.objectType = ((tt = e.esds) === null || tt === void 0 ? void 0 : tt.objectType) || 2;
if (e.esds) {
r.config = Array.from(e.esds.config);
}
r.codec = ((it = e.esds) === null || it === void 0 ? void 0 : it.codec) || "mp4a.40.2";
}
r.sampleDuration = AAC.getFrameDuration(r.sampleRate, r.timescale);
r.objectType = ((et = e.esds) === null || et === void 0 ? void 0 : et.objectType) || 2;
if (e.esds) {
if (e.esds.config) {
r.config = Array.from(e.esds.config);
} else {
console.warn("esds config is null");
}
}
r.codec = ((ot = e.esds) === null || ot === void 0 ? void 0 : ot.codec) || "mp4a.40.2";
r.sampleRateIndex = AAC.getRateIndexByRate(r.sampleRate);
r.ext = {};
r.ext.stss = (l = s.mdia) === null || l === void 0 || (l = l.minf) === null || l === void 0 || (l = l.stbl) === null || l === void 0 ? void 0 : l.stss;
r.ext.ctts = (a = s.mdia) === null || a === void 0 || (a = a.minf) === null || a === void 0 || (a = a.stbl) === null || a === void 0 ? void 0 : a.ctts;
r.present = true;
if (e && e.type === "enca") {
r.isAudioEncryption = true;
e.data_format = (b = e.sinf) === null || b === void 0 || (b = b.frma) === null || b === void 0 ? void 0 : b.data_format;
e.default_KID = (k = e.sinf) === null || k === void 0 || (k = k.schi) === null || k === void 0 ? void 0 : k.tenc.default_KID;
e.default_IsEncrypted = (d = e.sinf) === null || d === void 0 || (d = d.schi) === null || d === void 0 ? void 0 : d.tenc.default_IsEncrypted;
e.default_IV_size = (g = e.sinf) === null || g === void 0 || (g = g.schi) === null || g === void 0 ? void 0 : g.tenc.default_IV_size;
r.audioSenc = s.mdia.minf.stbl.senc && s.mdia.minf.stbl.senc.samples;
r.useEME = n.useEME;
r.kidValue = n.kidValue;
r.enca = e;
}
}
if (i) {
i.isVideoEncryption = t ? t.isVideoEncryption : false;
}
if (t) {
t.isAudioEncryption = i ? i.isAudioEncryption : false;
}
if (t !== null && t !== void 0 && t.encv || i !== null && i !== void 0 && i.enca) {
var ht;
var ct;
var lt = t === null || t === void 0 || (ht = t.encv) === null || ht === void 0 ? void 0 : ht.default_KID;
var at = i === null || i === void 0 || (ct = i.enca) === null || ct === void 0 ? void 0 : ct.default_KID;
var vt = lt || at ? (lt || at).join("") : null;
if (t) {
t.kid = vt;
}
if (i) {
i.kid = vt;
}
}
if (t) {
t.flags = 3841;
}
if (i) {
i.flags = 1793;
}
return {videoTrack: t, audioTrack: i};
}
}}, {key: "evaluateDefaultDuration", value: function (n, t, i) {
var r;
var u = t === null || t === void 0 || (r = t.samples) === null || r === void 0 ? void 0 : r.length;
var f;
if (u) {
f = 1024 * u / t.timescale;
return f * n.timescale / i;
} else {
return 1024;
}
}}, {key: "moofToSamples", value: function (t, i, r) {
var u = {};
if (t.mfhd) {
if (i) {
i.sequenceNumber = t.mfhd.sequenceNumber;
}
if (r) {
r.sequenceNumber = t.mfhd.sequenceNumber;
}
}
t.traf.forEach(function (t) {
var f = t.tfhd;
var h = t.tfdt;
var e = t.trun;
var v;
if (f && e) {
if (h) {
if (i && i.id === f.trackId) {
i.baseMediaDecodeTime = h.baseMediaDecodeTime;
}
if (r && r.id === f.trackId) {
r.baseMediaDecodeTime = h.baseMediaDecodeTime;
}
}
var c = f.defaultSampleSize || 0;
var l = f.defaultSampleDuration || n.evaluateDefaultDuration(i, r, e.samples.length || e.sampleCount);
var s = e.dataOffset || 0;
var o = 0;
var a = -1;
if (!e.samples.length && e.sampleCount) {
u[f.trackId] = [];
for (v = 0; v < e.sampleCount; v++) {
u[f.trackId].push({offset: s, dts: o, duration: l, size: c});
o += l;
s += c;
}
} else {
u[f.trackId] = e.samples.map(function (n, t) {
n = {offset: s, dts: o, pts: o + (n.cts || 0), duration: n.duration || l, size: n.size || c, gopId: a, keyframe: t === 0 || n.flags !== null && n.flags !== undefined && (n.flags & 65536) >>> 0 != 65536};
if (n.keyframe) {
a++;
n.gopId = a;
}
o += n.duration;
s += n.size;
return n;
});
}
}
});
return u;
}}, {key: "moovToSamples", value: function (n) {
var e = n.trak;
var o;
var f;
var h;
var c;
var i;
var t;
var r;
var s;
var u;
if (e && e.length) {
o = e.find(function (n) {
var t;
return ((t = n.mdia) === null || t === void 0 || (t = t.hdlr) === null || t === void 0 ? void 0 : t.handlerType) === "vide";
});
f = e.find(function (n) {
var t;
return ((t = n.mdia) === null || t === void 0 || (t = t.hdlr) === null || t === void 0 ? void 0 : t.handlerType) === "soun";
});
if (o || f) {
if (o) {
t = (i = o.mdia) === null || i === void 0 || (i = i.minf) === null || i === void 0 ? void 0 : i.stbl;
if (!t) {
return;
}
var l = t.stts;
var a = t.stsc;
var v = t.stsz;
var y = t.stco;
var p = t.stss;
var g = t.ctts;
if (!l || !a || !v || !y || !p) {
return;
}
h = getSamples(l, a, v, y, g, p);
}
if (f) {
u = (r = f.mdia) === null || r === void 0 || (r = r.minf) === null || r === void 0 ? void 0 : r.stbl;
if (!u) {
return;
}
var nt = (s = f.mdia.mdhd) === null || s === void 0 ? void 0 : s.timescale;
var w = u.stts;
var b = u.stsc;
var k = u.stsz;
var d = u.stco;
if (!nt || !w || !b || !k || !d) {
return;
}
c = getSamples(w, b, k, d);
}
return {videoSamples: h, audioSamples: c};
}
}
}}]);
}();
padStart = function (n, t, i) {
var r = String(i);
var u = t >> 0;
var o = Math.ceil(u / r.length);
var f = [];
for (var e = String(n); o--;) {
f.push(r);
}
return f.join("").substring(0, u - e.length) + e;
};
toHex = function () {
var t = [];
var i = arguments.length;
var r = new Array(i);
for (var n = 0; n < i; n++) {
r[n] = arguments[n];
}
r.forEach(function (n) {
t.push(padStart(Number(n).toString(16), 2, 0));
});
return t[0];
};
var Buffer = function () {
function n() {
_classCallCheck(this, n);
this.buffer = new Uint8Array(0);
}
return _createClass(n, [{key: "write", value: function () {
var t = this;
var i = arguments.length;
var r = new Array(i);
for (var n = 0; n < i; n++) {
r[n] = arguments[n];
}
r.forEach(function (n) {
if (n) {
t.buffer = Concat(Uint8Array, t.buffer, n);
} else {
window.console.warn(n);
}
});
}}], [{key: "writeUint16", value: function (n) {
return new Uint8Array([n >> 8 & 255, n & 255]);
}}, {key: "writeUint32", value: function (n) {
return new Uint8Array([n >> 24, n >> 16 & 255, n >> 8 & 255, n & 255]);
}}]);
}();
var UINT32_MAX = Math.pow(2, 32) - 1;
var MP4 = function () {
function n() {
_classCallCheck(this, n);
}
return _createClass(n, null, [{key: "box", value: function (n) {
var f = arguments.length;
var r = new Array(f > 1 ? f - 1 : 0);
for (var u = 1; u < f; u++) {
r[u - 1] = arguments[u];
}
r = r.filter(Boolean);
var i = 8 + r.reduce(function (n, t) {
return n + t.byteLength;
}, 0);
var t = new Uint8Array(i);
t[0] = i >> 24 & 255;
t[1] = i >> 16 & 255;
t[2] = i >> 8 & 255;
t[3] = i & 255;
t.set(n, 4);
var e = 8;
r.forEach(function (n) {
t.set(n, e);
e += n.byteLength;
});
return t;
}}, {key: "ftyp", value: function (t) {
var i = t.find(function (n) {
return n.type === TrackType.VIDEO && n.codecType === VideoCodecType.HEVC;
});
if (i) {
return n.FTYPHEV1;
} else {
return n.FTYPAVC1;
}
}}, {key: "initSegment", value: function (t) {
var i = n.ftyp(t);
return concatUint8Array(i, n.moov(t));
}}, {key: "pssh", value: function (t) {
var i = new Uint8Array([1, 0, 0, 0].concat([16, 119, 239, 236, 192, 178, 77, 2, 172, 227, 60, 30, 82, 226, 251, 75], [0, 0, 0, 1], parse(t.kid), [0, 0, 0, 0]));
return n.box(n.types.pssh, i);
}}, {key: "moov", value: function (t) {
if (t[0].useEME && (t[0].encv || t[0].enca)) {
if (!t[0].pssh) {
t[0].pssh = {kid: t[0].kid};
}
var i = this.pssh(t[0].pssh);
return n.box.apply(n, [n.types.moov, n.mvhd(t[0].mvhdDurtion || t[0].duration, t[0].mvhdTimecale || t[0].timescale), n.mvex(t)].concat(_toConsumableArray(t.map(function (t) {
return n.trak(t);
})), [i]));
}
return n.box.apply(n, [n.types.moov, n.mvhd(t[0].mvhdDurtion || t[0].duration, t[0].mvhdTimecale || t[0].timescale)].concat(_toConsumableArray(t.map(function (t) {
return n.trak(t);
})), [n.mvex(t)]));
}}, {key: "mvhd", value: function (t) {
var i = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 9e4;
return n.box(n.types.mvhd, new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, i >> 24 & 255, i >> 16 & 255, i >> 8 & 255, i & 255, t >> 24 & 255, t >> 16 & 255, t >> 8 & 255, t & 255, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255]));
}}, {key: "trak", value: function (t) {
return n.box(n.types.trak, n.tkhd(t.id, t.tkhdDuration || 0, t.width, t.height), n.mdia(t));
}}, {key: "tkhd", value: function (t, i) {
var r = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
var u = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 0;
return n.box(n.types.tkhd, new Uint8Array([0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 0, t >> 24 & 255, t >> 16 & 255, t >> 8 & 255, t & 255, 0, 0, 0, 0, i >> 24 & 255, i >> 16 & 255, i >> 8 & 255, i & 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 64, 0, 0, 0, r >> 8 & 255, r & 255, 0, 0, u >> 8 & 255, u & 255, 0, 0]));
}}, {key: "mdia", value: function (t) {
return n.box(n.types.mdia, n.mdhd(t.duration, t.timescale), n.hdlr(t.type), n.minf(t));
}}, {key: "mdhd", value: function (t) {
var i = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 9e4;
return n.box(n.types.mdhd, new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, i >> 24 & 255, i >> 16 & 255, i >> 8 & 255, i & 255, t >> 24 & 255, t >> 16 & 255, t >> 8 & 255, t & 255, 85, 196, 0, 0]));
}}, {key: "hdlr", value: function (t) {
return n.box(n.types.hdlr, n.HDLR_TYPES[t]);
}}, {key: "minf", value: function (t) {
return n.box(n.types.minf, t.type === TrackType.VIDEO ? n.VMHD : n.SMHD, n.DINF, n.stbl(t));
}}, {key: "stbl", value: function (t) {
var i = [];
if (t && t.ext && t.ext.stss) {
i.push(n.stss(t.ext.stss.entries));
}
return n.box(n.types.stbl, n.stsd(t), n.STTS, i[0], n.STSC, n.STSZ, n.STCO);
}}, {key: "stsd", value: function (t) {
var i = t.type === "audio" ? t.useEME && t.enca ? n.enca(t) : n.mp4a(t) : t.useEME && t.encv ? n.encv(t) : n.avc1hev1(t);
return n.box(n.types.stsd, new Uint8Array([0, 0, 0, 0, 0, 0, 0, 1]), i);
}}, {key: "enca", value: function (t) {
var r = t.enca.channelCount;
var i = t.enca.sampleRate;
var u = new Uint8Array([0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, r, 0, 16, 0, 0, 0, 0, i >> 8 & 255, i & 255, 0, 0]);
var f = n.esds(t.config);
var e = n.sinf(t.enca);
return n.box(n.types.enca, u, f, e);
}}, {key: "encv", value: function (t) {
var e;
var o;
var i = t.sps.length > 0 ? t.sps[0] : [];
var f = t.pps.length > 0 ? t.pps[0] : [];
var s = t.width;
var h = t.height;
var r = t.sarRatio[0];
var u = t.sarRatio[1];
var c = new Uint8Array([0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, s >> 8 & 255, s & 255, h >> 8 & 255, h & 255, 0, 72, 0, 0, 0, 72, 0, 0, 0, 0, 0, 0, 0, 1, 18, 100, 97, 105, 108, 121, 109, 111, 116, 105, 111, 110, 47, 104, 108, 115, 46, 106, 115, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 24, 17, 17]);
var l = new Uint8Array((e = (o = [1, i[1], i[2], i[3], 255, 225, i.length >>> 8 & 255, i.length & 255]).concat.apply(o, _toConsumableArray(i)).concat([1, f.length >>> 8 & 255, f.length & 255])).concat.apply(e, _toConsumableArray(f)));
var a = new Uint8Array([0, 0, 88, 57, 0, 15, 200, 192, 0, 4, 86, 72]);
var v = n.sinf(t.encv);
var y = new Uint8Array([r >> 24, r >> 16 & 255, r >> 8 & 255, r & 255, u >> 24, u >> 16 & 255, u >> 8 & 255, u & 255]);
return n.box(n.types.encv, c, n.box(n.types.avcC, l), n.box(n.types.btrt, a), v, n.box(n.types.pasp, y));
}}, {key: "schi", value: function (t) {
var i = new Uint8Array([]);
var r = n.tenc(t);
return n.box(n.types.schi, i, r);
}}, {key: "tenc", value: function (t) {
var i = new Uint8Array([0, 0, 0, 0, 0, 0, t.default_IsEncrypted & 255, t.default_IV_size & 255].concat(parse(t.default_KID)));
return n.box(n.types.tenc, i);
}}, {key: "sinf", value: function (t) {
var i = new Uint8Array([]);
var r = new Uint8Array([t.data_format.charCodeAt(0), t.data_format.charCodeAt(1), t.data_format.charCodeAt(2), t.data_format.charCodeAt(3)]);
var u = new Uint8Array([0, 0, 0, 0, 99, 101, 110, 99, 0, 1, 0, 0]);
var f = n.schi(t);
return n.box(n.types.sinf, i, n.box(n.types.frma, r), n.box(n.types.schm, u), f);
}}, {key: "avc1hev1", value: function (t) {
var i = t.codecType === VideoCodecType.HEVC;
var u = i ? n.types.hvc1 : n.types.avc1;
var f = i ? n.hvcC(t) : n.avcC(t);
var r = [new Uint8Array([0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, t.width >> 8 & 255, t.width & 255, t.height >> 8 & 255, t.height & 255, 0, 72, 0, 0, 0, 72, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 24, 17, 17]), f];
if (i) {
r.push(n.box(n.types.fiel, new Uint8Array([1, 0])));
} else if (t.sarRatio && t.sarRatio.length > 1) {
r.push(n.pasp(t.sarRatio));
}
return n.box.apply(n, [u].concat(r));
}}, {key: "avcC", value: function (t) {
var f;
var e;
var i = [];
var u = [];
var r;
t.sps.forEach(function (n) {
r = n.byteLength;
i.push(r >>> 8 & 255);
i.push(r & 255);
i.push.apply(i, _toConsumableArray(n));
});
t.pps.forEach(function (n) {
r = n.byteLength;
u.push(r >>> 8 & 255);
u.push(r & 255);
u.push.apply(u, _toConsumableArray(n));
});
return n.box(n.types.avcC, new Uint8Array((f = (e = [1, i[3], i[4], i[5], 255, 224 | t.sps.length]).concat.apply(e, i).concat([t.pps.length])).concat.apply(f, u)));
}}, {key: "hvcC", value: function (t) {
var i = t.hvcC;
var h;
if (i instanceof ArrayBuffer || i instanceof Uint8Array) {
return i;
}
var f = t.vps;
var e = t.sps;
var o = t.pps;
var r;
if (i) {
var s = i.generalProfileCompatibilityFlags;
var u = i.generalConstraintIndicatorFlags;
var c = (f.length && 1) + (e.length && 1) + (o.length && 1);
r = [1, i.generalProfileSpace << 6 | i.generalTierFlag << 5 | i.generalProfileIdc, s >>> 24, s >>> 16, s >>> 8, s, u[0], u[1], u[2], u[3], u[4], u[5], i.generalLevelIdc, 240, 0, 252, i.chromaFormatIdc | 252, i.bitDepthLumaMinus8 | 248, i.bitDepthChromaMinus8 | 248, 0, 0, i.numTemporalLayers << 3 | i.temporalIdNested << 2 | 3, c];
h = function (n) {
var t;
r.push(n.length >> 8, n.length);
(t = r).push.apply(t, _toConsumableArray(n));
};
if (f.length) {
r.push(160, 0, f.length);
f.forEach(h);
}
if (e.length) {
r.push(161, 0, e.length);
e.forEach(h);
}
if (o.length) {
r.push(162, 0, o.length);
o.forEach(h);
}
} else {
r = [1, 1, 96, 0, 0, 0, 144, 0, 0, 0, 0, 0, 93, 240, 0, 252, 253, 248, 248, 0, 0, 15, 3, 160, 0, 1, 0, 24, 64, 1, 12, 1, 255, 255, 1, 96, 0, 0, 3, 0, 144, 0, 0, 3, 0, 0, 3, 0, 93, 153, 152, 9, 161, 0, 1, 0, 45, 66, 1, 1, 1, 96, 0, 0, 3, 0, 144, 0, 0, 3, 0, 0, 3, 0, 93, 160, 2, 128, 128, 45, 22, 89, 153, 164, 147, 43, 154, 128, 128, 128, 130, 0, 0, 3, 0, 2, 0, 0, 3, 0, 50, 16, 162, 0, 1, 0, 7, 68, 1, 193, 114, 180, 98, 64];
}
return n.box(n.types.hvcC, new Uint8Array(r));
}}, {key: "pasp", value: function (t) {
var u = _slicedToArray(t, 2);
var i = u[0];
var r = u[1];
return n.box(n.types.pasp, new Uint8Array([i >> 24, i >> 16 & 255, i >> 8 & 255, i & 255, r >> 24, r >> 16 & 255, r >> 8 & 255, r & 255]));
}}, {key: "mp4a", value: function (t) {
return n.box(n.types.mp4a, new Uint8Array([0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, t.channelCount, 0, 16, 0, 0, 0, 0, t.sampleRate >> 8 & 255, t.sampleRate & 255, 0, 0]), t.config.length ? n.esds(t.config) : undefined);
}}, {key: "esds", value: function (t) {
var i = t.length;
return n.box(n.types.esds, new Uint8Array([0, 0, 0, 0, 3, 23 + i, 0, 0, 0, 4, 15 + i, 64, 21, 0, 6, 0, 0, 0, 218, 192, 0, 0, 218, 192, 5].concat([i]).concat(t).concat([6, 1, 2])));
}}, {key: "mvex", value: function (t) {
return n.box.apply(n, [n.types.mvex].concat(_toConsumableArray(t.map(function (t) {
return n.trex(t.id);
}))));
}}, {key: "trex", value: function (t) {
return n.box(n.types.trex, new Uint8Array([0, 0, 0, 0, t >> 24, t >> 16 & 255, t >> 8 & 255, t & 255, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1]));
}}, {key: "trex1", value: function (t) {
return n.box(n.types.trex, new Uint8Array([0, 0, 0, 0, t >> 24, t >> 16 & 255, t >> 8 & 255, t & 255, 0, 0, 0, 1, 0, 0, 2, 0, 0, 0, 0, 0, 0, 1, 0, 0]));
}}, {key: "trex2", value: function (t) {
return n.box(n.types.trex, new Uint8Array([0, 0, 0, 0, t >> 24, t >> 16 & 255, t >> 8 & 255, t & 255, 0, 0, 0, 1, 0, 0, 4, 0, 0, 0, 0, 0, 2, 0, 0, 0]));
}}, {key: "moof", value: function (t) {
return n.box.apply(n, [n.types.moof, n.mfhd(t[0].samples ? t[0].samples[0].gopId : 0)].concat(_toConsumableArray(t.map(function (t) {
return n.traf(t);
}))));
}}, {key: "mfhd", value: function (t) {
return n.box(n.types.mfhd, new Uint8Array([0, 0, 0, 0, t >> 24, t >> 16 & 255, t >> 8 & 255, t & 255]));
}}, {key: "traf", value: function (t) {
var r = n.tfhd(t.id);
var u = n.tfdt(t, t.baseMediaDecodeTime);
var i = 0;
var e;
var s;
var h;
var c;
if (t.isVideo && t.videoSenc) {
e = t.videoSenc;
e.forEach(function (n) {
i = i + 8;
if (n.subsamples && n.subsamples.length) {
i = i + 2;
i = i + n.subsamples.length * 6;
}
});
}
t.videoSencLength = i;
if (t.useEME && (t.isVideoEncryption || t.isAudioEncryption)) {
if (t.isVideoEncryption) {
if (t.isVideo) {
var l = n.saiz(t);
var a = n.saio(t);
var v = n.trun1(t);
var y = n.senc(t);
return n.box(n.types.traf, r, u, l, a, v, y);
}
if (t.isAudioEncryption) {
var p = n.sbgp();
var w = n.saiz(t);
var b = n.saio(t);
var k = n.senc(t);
var d = n.trun1(t);
return n.box(n.types.traf, r, u, p, w, b, k, d);
}
s = n.sbgp();
h = n.trun1(t);
return n.box(n.types.traf, r, u, s, h);
}
if (t.isVideo) {
c = n.trun1(t);
return n.box(n.types.traf, r, u, c);
}
var g = n.sbgp();
var nt = n.saiz(t);
var tt = n.saio(t);
var it = n.senc(t);
var rt = n.trun1(t);
return n.box(n.types.traf, r, u, g, nt, tt, it, rt);
}
var f = n.sdtp(t);
var o = 76;
return n.box(n.types.traf, r, u, f, n.trun(t.samples, f.byteLength + o));
}}, {key: "sdtp", value: function (t) {
var i = new Buffer;
t.samples.forEach(function (n) {
i.write(new Uint8Array(t.isVideo ? [n.keyframe ? 32 : 16] : [16]));
});
return n.box(n.types.sdtp, this.extension(0, 0), i.buffer);
}}, {key: "trun1", value: function (t) {
var i = new Buffer;
var e = Buffer.writeUint32(t.samples.length);
var r = null;
var f;
var u;
if (t.isVideo) {
f = t.videoSencLength;
r = Buffer.writeUint32(t.samples.length * 16 + f + 149);
if (!t.isVideoEncryption && t.isAudioEncryption) {
r = Buffer.writeUint32(t.samples.length * 16 + 92);
}
} else {
u = t.samples.length * 12 + 124;
if (t.isAudioEncryption) {
u = t.samples.length * 12 + 8 * t.audioSenc.length + 177;
}
r = Buffer.writeUint32(u);
}
t.samples.forEach(function (n) {
i.write(Buffer.writeUint32(n.duration));
i.write(Buffer.writeUint32(n.size));
i.write(Buffer.writeUint32(n.keyframe ? 33554432 : 65536));
if (t.isVideo) {
i.write(Buffer.writeUint32(n.cts ? n.cts : 0));
}
});
return n.box(n.types.trun, this.extension(0, t.flags), e, r, i.buffer);
}}, {key: "senc", value: function (t) {
var i = new Buffer;
var f = t.samples.length;
var e = t.isVideo ? 16 : 8;
var o = t.isVideo ? 2 : 0;
var u = [];
var r = 0;
if (t.isVideo) {
u = t.videoSenc;
r = t.videoSencLength;
} else {
u = t.audioSenc;
}
r = r || e * f;
i.write(Buffer.writeUint32(16 + r), n.types.senc, this.extension(0, o));
i.write(Buffer.writeUint32(f));
u.forEach(function (n) {
for (var t = 0; t < n.InitializationVector.length; t++) {
i.write(new Uint8Array([n.InitializationVector[t]]));
}
if (n.subsamples && n.subsamples.length) {
i.write(Buffer.writeUint16(n.subsamples.length));
n.subsamples.forEach(function (n) {
i.write(Buffer.writeUint16(n.BytesOfClearData));
i.write(Buffer.writeUint32(n.BytesOfProtectedData));
});
}
});
return i.buffer;
}}, {key: "saio", value: function (t) {
var i = t.samples.length * 12 + 141;
if (!t.isVideo && t.isAudioEncryption) {
i = 149;
}
var r = new Uint8Array([1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, i >> 24 & 255, i >> 16 & 255, i >> 8 & 255, i & 255]);
return n.box(n.types.saio, r);
}}, {key: "saiz", value: function (t) {
var i = t.samples.length;
var r = new Uint8Array([0, 0, 0, 0, 16, i >> 24 & 255, i >> 16 & 255, i >> 8 & 255, i & 255]);
return n.box(n.types.saiz, r);
}}, {key: "sbgp", value: function () {
var t = new Uint8Array([114, 111, 108, 108, 0, 0, 0, 1, 0, 0, 1, 25, 0, 0, 0, 1]);
return n.box(n.types.sbgp, this.extension(0, 0), t);
}}, {key: "extension", value: function (n, t) {
return new Uint8Array([n, t >> 16 & 255, t >> 8 & 255, t & 255]);
}}, {key: "tfhd", value: function (t) {
return n.box(n.types.tfhd, new Uint8Array([0, 0, 0, 0, t >> 24, t >> 16 & 255, t >> 8 & 255, t & 255]));
}}, {key: "tfdt", value: function (t, i) {
var u = Math.floor(i / (UINT32_MAX + 1));
var r = Math.floor(i % (UINT32_MAX + 1));
if (t.useEME && (t.isVideoEncryption || t.isAudioEncryption)) {
return n.box(n.types.tfdt, new Uint8Array([0, 0, 0, 0, r >> 24, r >> 16 & 255, r >> 8 & 255, r & 255]));
} else {
return n.box(n.types.tfdt, new Uint8Array([1, 0, 0, 0, u >> 24, u >> 16 & 255, u >> 8 & 255, u & 255, r >> 24, r >> 16 & 255, r >> 8 & 255, r & 255]));
}
}}, {key: "trun", value: function (t, i) {
var u = t.length;
var l = 12 + 16 * u;
i += 8 + l;
var e = new Uint8Array(l);
e.set([0, 0, 15, 1, u >>> 24 & 255, u >>> 16 & 255, u >>> 8 & 255, u & 255, i >>> 24 & 255, i >>> 16 & 255, i >>> 8 & 255, i & 255], 0);
for (var f = 0; f < u; f++) {
var o = t[f];
var s = o.duration;
var h = o.size;
var a = o.flag;
var r = a === void 0 ? {} : a;
var v = o.cts;
var c = v === void 0 ? 0 : v;
e.set([s >>> 24 & 255, s >>> 16 & 255, s >>> 8 & 255, s & 255, h >>> 24 & 255, h >>> 16 & 255, h >>> 8 & 255, h & 255, r.isLeading << 2 | (r.dependsOn === null || r.dependsOn === undefined ? 1 : r.dependsOn), r.isDependedOn << 6 | r.hasRedundancy << 4 | r.paddingValue << 1 | (r.isNonSyncSample === null || r.isNonSyncSample === undefined ? 1 : r.isNonSyncSample), r.degradationPriority & 61440, r.degradationPriority & 15, c >>> 24 & 255, c >>> 16 & 255, c >>> 8 & 255, c & 255], 12 + 16 * f);
}
return n.box(n.types.trun, e);
}}, {key: "moovMP4", value: function (t) {
var r = t.length - 1;
var i = t[r];
var u = Math.ceil(i.duration / i.timescale * 1e3);
return n.box.apply(n, [n.types.moov, n.mvhd(u, 1e3)].concat(_toConsumableArray(t.map(function (t) {
return n.trackMP4(t);
}))));
}}, {key: "trackMP4", value: function (t) {
var i = Math.ceil(t.duration / t.timescale * 1e3);
return n.box(n.types.trak, n.tkhd(t.id, i, t.width, t.height), n.mdiaMP4(t));
}}, {key: "mdiaMP4", value: function (t) {
return n.box(n.types.mdia, n.mdhd(t.duration, t.timescale), n.hdlr(t.type), n.minfMP4(t));
}}, {key: "minfMP4", value: function (t) {
return n.box(n.types.minf, t.type === TrackType.VIDEO ? n.VMHD : n.SMHD, n.DINF, n.stblMP4(t));
}}, {key: "stblMP4", value: function (t) {
var i = t.ext;
var r = [n.stsd(t), n.stts(i.stts), n.stsc(i.stsc), n.stsz(i.stsz), n.stco(i.stco)];
if (i.stss.length) {
r.push(n.stss(i.stss));
}
if (i.ctts.length) {
r.push(n.ctts(i.ctts));
}
return n.box.apply(n, [n.types.stbl].concat(r));
}}, {key: "stts", value: function (t) {
var i = t.length;
var r = new Uint8Array(8 * i);
var u = 0;
t.forEach(function (n) {
var t = n.value;
var i = n.count;
r.set([i >> 24, i >> 16 & 255, i >> 8 & 255, i & 255, t >> 24, t >> 16 & 255, t >> 8 & 255, t & 255], u);
u += 8;
});
return n.box(n.types.stts, concatUint8Array(new Uint8Array([0, 0, 0, 0, i >> 24, i >> 16 & 255, i >> 8 & 255, i & 255]), r));
}}, {key: "stsc", value: function (t) {
var i = t.length;
var r = new Uint8Array(12 * i);
var u = 0;
t.forEach(function (n) {
var t = n.firstChunk;
var i = n.samplesPerChunk;
var f = n.sampleDescIndex;
r.set([t >> 24, t >> 16 & 255, t >> 8 & 255, t & 255, i >> 24, i >> 16 & 255, i >> 8 & 255, i & 255, f >> 24, f >> 16 & 255, f >> 8 & 255, f & 255], u);
u += 12;
});
return n.box(n.types.stsc, concatUint8Array(new Uint8Array([0, 0, 0, 0, i >> 24, i >> 16 & 255, i >> 8 & 255, i & 255]), r));
}}, {key: "stsz", value: function (t) {
var i = t.length;
var r = new Uint8Array(4 * i);
var u = 0;
t.forEach(function (n) {
r.set([n >> 24, n >> 16 & 255, n >> 8 & 255, n & 255], u);
u += 4;
});
return n.box(n.types.stsz, concatUint8Array(new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0, i >> 24, i >> 16 & 255, i >> 8 & 255, i & 255]), r));
}}, {key: "stco", value: function (t) {
var i = t.length;
var r = new Uint8Array(4 * i);
var u = 0;
t.forEach(function (n) {
r.set([n >> 24, n >> 16 & 255, n >> 8 & 255, n & 255], u);
u += 4;
});
return n.box(n.types.stco, concatUint8Array(new Uint8Array([0, 0, 0, 0, i >> 24, i >> 16 & 255, i >> 8 & 255, i & 255]), r));
}}, {key: "stss", value: function (t) {
var i = t.length;
var r = new Uint8Array(4 * i);
var u = 0;
t.forEach(function (n) {
r.set([n >> 24, n >> 16 & 255, n >> 8 & 255, n & 255], u);
u += 4;
});
return n.box(n.types.stss, concatUint8Array(new Uint8Array([0, 0, 0, 0, i >> 24, i >> 16 & 255, i >> 8 & 255, i & 255]), r));
}}, {key: "ctts", value: function (t) {
var i = t.length;
var r = new Uint8Array(8 * i);
var u = 0;
t.forEach(function (n) {
var t = n.value;
var i = n.count;
r.set([i >> 24, i >> 16 & 255, i >> 8 & 255, i & 255, t >> 24, t >> 16 & 255, t >> 8 & 255, t & 255], u);
u += 8;
});
return n.box(n.types.ctts, concatUint8Array(new Uint8Array([0, 0, 0, 0, i >> 24, i >> 16 & 255, i >> 8 & 255, i & 255]), r));
}}, {key: "styp", value: function () {
return n.box(n.types.styp, new Uint8Array([109, 115, 100, 104, 0, 0, 0, 0, 109, 115, 100, 104, 109, 115, 105, 120]));
}}, {key: "sidx", value: function (t) {
var f = t.timescale;
var s = t.samples[0].duration;
var e = s * t.samples.length;
var o = t.samples[0].sampleOffset * s;
var u = 8;
var i;
var h;
t.samples.forEach(function (n) {
u += n.size;
});
var r = 0;
if (t.isVideo) {
i = 0;
if (t.videoSenc) {
h = t.videoSenc;
}
if (t.isVideo) {
h.forEach(function (n) {
i = i + 8;
if (n.subsamples && n.subsamples.length) {
i = i + 2;
i = i + n.subsamples.length * 6;
}
});
}
t.videoSencLength = i;
r = u + 141 + t.samples.length * 16 + i;
if (t.useEME && t.isAudioEncryption && !t.isVideoEncryption) {
r = u + t.samples.length * 16 + 84;
}
} else {
r = u + 116 + t.samples.length * 12;
if (t.useEME && t.isAudioEncryption) {
r = u + 169 + t.samples.length * 12 + 8 * t.audioSenc.length;
}
}
var c = new Uint8Array([0, 0, 0, 0, 0, 0, 0, t.id & 255, f >> 24 & 255, f >> 16 & 255, f >> 8 & 255, f & 255, o >> 24 & 255, o >> 16 & 255, o >> 8 & 255, o & 255, 0, 0, 0, 0, 0, 0, 0, 1, 0, r >> 16 & 255, r >> 8 & 255, r & 255, e >> 24 & 255, e >> 16 & 255, e >> 8 & 255, e & 255, 144, 0, 0, 0]);
return n.box(n.types.sidx, c);
}}, {key: "mdat", value: function (t) {
return n.box(n.types.mdat, t);
}}]);
}();
_MP = MP4;
_defineProperty(MP4, "types", ["avc1", "avcC", "hvc1", "hvcC", "dinf", "dref", "esds", "ftyp", "hdlr", "mdat", "mdhd", "mdia", "mfhd", "minf", "moof", "moov", "mp4a", "mvex", "mvhd", "pasp", "stbl", "stco", "stsc", "stsd", "stsz", "stts", "tfdt", "tfhd", "traf", "trak", "trex", "tkhd", "vmhd", "smhd", "ctts", "stss", "styp", "pssh", "sidx", "sbgp", "saiz", "saio", "senc", "trun", "encv", "enca", "sinf", "btrt", "frma", "tenc", "schm", "schi", "mehd", "fiel", "sdtp"].reduce(function (n, t) {
n[t] = [t.charCodeAt(0), t.charCodeAt(1), t.charCodeAt(2), t.charCodeAt(3)];
return n;
}, Object.create(null)));
_defineProperty(MP4, "HDLR_TYPES", {video: new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0, 118, 105, 100, 101, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 86, 105, 100, 101, 111, 72, 97, 110, 100, 108, 101, 114, 0]), audio: new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0, 115, 111, 117, 110, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 83, 111, 117, 110, 100, 72, 97, 110, 100, 108, 101, 114, 0])});
_defineProperty(MP4, "FTYPAVC1", _MP.box(_MP.types.ftyp, new Uint8Array([105, 115, 111, 109, 0, 0, 0, 1, 105, 115, 111, 109, 97, 118, 99, 49])));
_defineProperty(MP4, "FTYPHEV1", _MP.box(_MP.types.ftyp, new Uint8Array([105, 115, 111, 109, 0, 0, 0, 1, 105, 115, 111, 109, 104, 101, 118, 49])));
_defineProperty(MP4, "DINF", _MP.box(_MP.types.dinf, _MP.box(_MP.types.dref, new Uint8Array([0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 12, 117, 114, 108, 32, 0, 0, 0, 1]))));
_defineProperty(MP4, "VMHD", _MP.box(_MP.types.vmhd, new Uint8Array([0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0])));
_defineProperty(MP4, "SMHD", _MP.box(_MP.types.smhd, new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0])));
_defineProperty(MP4, "StblTable", new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0]));
_defineProperty(MP4, "STTS", _MP.box(_MP.types.stts, _MP.StblTable));
_defineProperty(MP4, "STSC", _MP.box(_MP.types.stsc, _MP.StblTable));
_defineProperty(MP4, "STSZ", _MP.box(_MP.types.stsz, new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0])));
_defineProperty(MP4, "STCO", _MP.box(_MP.types.stco, _MP.StblTable));
var FMP4Demuxer = function () {
function n(t, i, r) {
_classCallCheck(this, n);
this.videoTrack = t || new VideoTrack;
this.audioTrack = i || new AudioTrack;
this.metadataTrack = r || new MetadataTrack;
}
return _createClass(n, [{key: "demux", value: function (n, t) {
var r = this.videoTrack;
var i = this.audioTrack;
var e = r.exist();
var o = i.exist();
var u;
var f;
r.samples = [];
i.samples = [];
if (t && !o) {
u = MP4Parser.findBox(t, ["moov"])[0];
if (!u) {
throw new Error("cannot found moov box");
}
MP4Parser.moovToTrack(MP4Parser.moov(u), r, i);
}
if (n && !e) {
f = MP4Parser.findBox(n, ["moov"])[0];
if (!f) {
throw new Error("cannot found moov box");
}
MP4Parser.moovToTrack(MP4Parser.moov(f), r, i);
}
if (t) {
MP4Parser.findBox(t, ["moof"]).forEach(function (n) {
var u = MP4Parser.moofToSamples(MP4Parser.moof(n), r, i)[i.id];
var e = i.baseMediaDecodeTime;
var f;
if (u) {
f = n.start;
u.map(function (n) {
n.offset += f;
var r = t.subarray(n.offset, n.offset + n.size);
i.samples.push(new AudioSample(n.dts + e, r, n.duration));
});
}
});
}
if (n) {
MP4Parser.findBox(n, ["moof"]).forEach(function (t) {
var u = MP4Parser.moofToSamples(MP4Parser.moof(t), r, i);
var e = r.baseMediaDecodeTime;
var s = i.baseMediaDecodeTime;
var o = t.start;
var f;
Object.keys(u).forEach(function (t) {
if (r.id == t) {
u[t].map(function (t) {
t.offset += o;
var i = new VideoSample((t.pts || t.dts) + e, t.dts + e);
i.duration = t.duration;
i.gopId = t.gopId;
if (t.keyframe) {
i.setToKeyframe();
}
var s = n.subarray(t.offset, t.offset + t.size);
i.data = s;
var u = 0;
for (var h = s.length - 1; u < h;) {
f = readBig32(s, u);
u += 4;
i.units.push(s.subarray(u, u + f));
u += f;
}
r.samples.push(i);
});
} else if (i.id == t) {
u[t].map(function (t) {
t.offset += o;
var r = n.subarray(t.offset, t.offset + t.size);
i.samples.push(new AudioSample(t.dts + s, r, t.duration));
});
}
});
});
}
if (t && n) {
r.id = 1;
i.id = 2;
}
return {videoTrack: r, audioTrack: i, metadataTrack: this.metadataTrack};
}}, {key: "reset", value: function () {
this.videoTrack.reset();
this.audioTrack.reset();
this.metadataTrack.reset();
}}], [{key: "probe", value: function (n) {
return MP4Parser.probe(n);
}}]);
}();
var MP4Remuxer = function () {
function n(t, i) {
_classCallCheck(this, n);
this.videoTrack = t;
this.audioTrack = i;
}
return _createClass(n, [{key: "remux", value: function (n, t) {
this.videoTrack = n || this.videoTrack;
this.audioTrack = t || this.audioTrack;
var r = (n === null || n === void 0 ? void 0 : n.exist()) && (n === null || n === void 0 ? void 0 : n.hasSample());
var u = (t === null || t === void 0 ? void 0 : t.exist()) && (t === null || t === void 0 ? void 0 : t.hasSample());
var i;
var f;
if (r && u) {
i = this._remuxMix(n, t);
} else if (r) {
i = this._remuxTrack(n);
} else if (u) {
f = this._remuxTrack(t);
}
if (n) {
n.samples = [];
}
if (t) {
t.samples = [];
}
return {videoSegment: i, audioSegment: f};
}}, {key: "_remuxMix", value: function (n, t) {
var i = MP4.ftyp([n, t]);
var r = this._remuxData(n, i.byteLength + 8);
var u = r.mdatData;
var f = r.chunkOffset;
var e = this._remuxData(t, f);
var o = e.mdatData;
var s = MP4.mdat(concatUint8Array(u, o));
var h = MP4.moovMP4([n, t]);
n.ext = undefined;
t.ext = undefined;
n.samples = [];
t.samples = [];
return concatUint8Array(i, s, h);
}}, {key: "_remuxTrack", value: function (n) {
var t = MP4.ftyp([n]);
var i = this._remuxData(n, t.byteLength + 8);
var r = i.mdatData;
var u = MP4.mdat(r);
var f = MP4.moovMP4([n]);
n.ext = undefined;
n.samples = [];
return concatUint8Array(t, u, f);
}}, {key: "_remuxData", value: function (n, t) {
var c = this;
var e = n.type === TrackType.VIDEO;
var o = n.samples;
var s = 0;
var l;
if (e) {
o.forEach(function (n) {
s += n.units.reduce(function (n, t) {
return n + t.byteLength;
}, 0);
s += n.units.length * 4;
});
} else {
s = o.reduce(function (n, t) {
return n + t.size;
}, 0);
}
var h = new Uint8Array(s);
var p = new DataView(h.buffer);
var i = n.ext = {stts: [], stsc: [], stsz: [], stco: [], stss: [], ctts: []};
var a = 1;
var f = 0;
var v = 0;
var r;
var y = o.length;
var w = function () {
r = o[u];
v += r.duration;
var n = e ? 0 : r.size;
if (e) {
r.units.forEach(function (t) {
p.setUint32(f, t.byteLength);
f += 4;
h.set(t, f);
f += t.byteLength;
n += 4 + t.byteLength;
});
} else {
h.set(r.data, f);
f += n;
}
r.size = n;
i.stsz.push(n);
if (e) {
c._fillCttsSamples(i.ctts, r.cts);
}
c._fillSttsSamples(i.stts, r, o[u + 1]);
c._fillStcoSamples(i.stco, u, a, t);
t += n;
if (e && r.keyframe) {
i.stss.push(u + 1);
}
};
for (var u = 0; u < y; u++) {
w();
}
n.duration = v;
this._fillStscSamples(i.stsc, y, a);
if (i.ctts.length) {
i.ctts = i.ctts.map(function (n) {
n.value = -(~n.value + 1);
return n;
});
l = i.ctts.map(function (n) {
return n.value;
}).reduce(function (n, t) {
if (n < t) {
return n;
} else {
return t;
}
});
if (l < 0) {
i.ctts = i.ctts.map(function (n) {
n.value -= l;
return n;
});
}
}
return {mdatData: h, chunkOffset: t};
}}, {key: "_fillSttsSamples", value: function (n, t, i) {
var r = n[n.length - 1];
if (i) {
if (r && r.value === t.duration) {
r.count++;
} else {
n.push({value: t.duration, count: 1});
}
return;
}
if (r) {
r.count++;
} else {
n.push({value: 40, count: 1});
}
}}, {key: "_fillCttsSamples", value: function (n, t) {
var i = n[n.length - 1];
if (i && i.value === t) {
i.count++;
} else {
n.push({value: t, count: 1});
}
}}, {key: "_fillStcoSamples", value: function (n, t, i, r) {
if (!(t % i)) {
n.push(r);
}
}}, {key: "_fillStscSamples", value: function (n, t, i) {
if (t <= i) {
n.push({firstChunk: 1, samplesPerChunk: t, sampleDescIndex: 1});
} else {
var u = Math.floor(t / i);
var r = t % i;
n.push({firstChunk: 1, samplesPerChunk: i, sampleDescIndex: 1});
if (r) {
n.push({firstChunk: u + 1, samplesPerChunk: r, sampleDescIndex: 1});
}
}
}}]);
}();
var dataStream = (quality === 'audio') ? {audio: {files: [], finish: null}} : {video: {files: [], finish: null}, audio: {files: [], finish: null}};
var download = function (n, t) {
var u = new Blob([n], (quality === 'audio') ? {type: "audio/mp4"} : {type: "video/mp4"});
n = null;
var r = URL.createObjectURL(u);
var i = document.createElement("a");
document.body.appendChild(i);
i.style = "display: none";
i.href = r;
i.download = t;
i.click();
window.URL.revokeObjectURL(r);
};
var arrayConcat = function (n) {
var r = n.reduce(function (n, t) {
return n + t.length;
}, 0);
var t = new Uint8Array(r);
var i = 0;
n.forEach(function (n) {
t.set(n, i);
i += n.length;
});
return t;
};
var stop_record = function (n) {
var r, t, i, u, f;
if(quality === 'audio') {
r = arrayConcat(dataStream.audio.files);
dataStream = null;
t = new FMP4Demuxer;
t.demux(null, r);
r = null;
i = new MP4Remuxer;
u = i.remux(null, t.audioTrack).audioSegment;
t = null;
i = null;
download(u, n + ".m4a");
} else {
r = arrayConcat(dataStream.video.files);
u = arrayConcat(dataStream.audio.files);
dataStream = null;
t = new FMP4Demuxer;
t.demux(r, u);
r = null;
u = null;
i = new MP4Remuxer;
f = i.remux(t.videoTrack, t.audioTrack).videoSegment;
t = null;
i = null;
download(f, n + ".mp4");
}
};
var domand_print = function (n, t, i, r) {
document.getElementById(n).innerHTML = n +" ダウンロード状況:" + i + "/" + t + " 試行回数:" + (i + r) + " エラー回数:" + r;
};
var downloads = function (n, t, i, r, u) {
var o;
var s;
var f = o = s = 0;
var e = function e(u) {
if (u === undefined) {
u = s++;
}
if (!dataStream[r].files[u]) {
var c = new XMLHttpRequest;
c.withCredentials = true;
c.responseType = "arraybuffer";
c.open("GET", n[u]);
c.onreadystatechange = function () {
if (c.readyState === XMLHttpRequest.DONE) {
if (c.status >= 200 && c.status < 400) {
dataStream[r].files[u] = c.response;
if (u) {
crypto.subtle.decrypt({name: "AES-CBC", iv: i}, t, dataStream[r].files[u]).then(function (n) {
dataStream[r].files[u] = new Uint8Array(n);
h();
});
} else {
dataStream[r].files[u] = new Uint8Array(dataStream[r].files[u]);
h();
}
} else {
domand_print(r, n.length, f, ++o);
setTimeout(e, 1e3, u);
}
}
};
c.send();
}
};
var h = function () {
domand_print(r, n.length, ++f, o);
if (quality === 'audio' && f === n.length) {
dataStream[r].finish = true;
if (dataStream.audio.finish) {
stop_record(u);
}
} else if (f === n.length) {
dataStream[r].finish = true;
if (dataStream.video.finish && dataStream.audio.finish) {
stop_record(u);
}
} else if (s < n.length) {
e();
}
};
for (var c = 0; c < 2; c++) {
e();
}
};
var get_key = function (n, t, i, r, u) {
var f = new XMLHttpRequest;
f.withCredentials = true;
f.responseType = "arraybuffer";
f.open("GET", n);
f.onreadystatechange = function () {
if (f.readyState === XMLHttpRequest.DONE && f.status >= 200 && f.status < 400) {
var n = f.response;
crypto.subtle.importKey("raw", n, {name: "AES-CBC"}, false, ["decrypt"]).then(function (n) {
downloads(i, n, t, r, u);
});
}
};
f.send();
};
var m3u8_media = function (n, t, i) {
var r = new XMLHttpRequest;
r.withCredentials = true;
r.open("GET", n);
r.onreadystatechange = function () {
if (r.readyState === XMLHttpRequest.DONE && r.status >= 200 && r.status < 400) {
var u = r.responseText;
var f = null;
var e = null;
var n = u.replace(/"/g, "\n").split("\n");
var o = n.filter(function (n) {
return n.indexOf(".cmfv") !== -1 || n.indexOf(".cmfa") !== -1;
});
f = n.filter(function (n) {
return n.indexOf(".key") !== -1;
})[0];
e = Uint8Array.from(n.filter(function (n) {
return /^,IV=0x[0-9A-F]{32}$/.test(n);
})[0].slice(6).match(/.{2}/g).map(function (n) {
return parseInt(n, 16);
}));
get_key(f, e, o, t, i);
}
};
r.send();
};
var m3u8_variants = function (n, t) {
var i = new XMLHttpRequest;
i.withCredentials = true;
i.open("GET", n);
i.onreadystatechange = function () {
var n, r, u;
if (quality === 'audio' && i.readyState === XMLHttpRequest.DONE && i.status >= 200 && i.status < 400) {
n = i.responseText;
r = n.replace(/"/g, "\n").split("\n");
u = r.filter(function (n) {
return n.indexOf(".m3u8") !== -1;
});
document.body.innerHTML = '<p id="audio" class="nicovideo-downloader-links ext-nicovideo">audio ダウンロード状況:0/0 試行回数:0 エラー回数:0<\/p>';
m3u8_media(u[0], "audio", t);
} else if (i.readyState === XMLHttpRequest.DONE && i.status >= 200 && i.status < 400) {
r = i.responseText;
u = r.replace(/"/g, "\n").split("\n");
n = u.filter(function (n) {
return n.indexOf(".m3u8") !== -1;
});
document.body.innerHTML = '<p id="video" class="nicovideo-downloader-links ext-nicovideo">video ダウンロード状況:0/0 試行回数:0 エラー回数:0<\/p><p id="audio" class="nicovideo-downloader-links ext-nicovideo">audio ダウンロード状況:0/0 試行回数:0 エラー回数:0<\/p>';
m3u8_media(n[0], "audio", t);
m3u8_media(n[1], "video", t);
}
};
i.send();
};
var domand = function (n, t, i) {
var f = "https://nvapi.nicovideo.jp/v1/watch/" + t + "/access-rights/hls?actionTrackId=AAAAAAAAAA_" + i;
var r = new XMLHttpRequest;
r.withCredentials = true;
r.open("POST", f);
r.setRequestHeader("Content-Type", "application/json");
r.setRequestHeader("X-Access-Right-Key", n.accessRightKey);
r.setRequestHeader("X-Frontend-Id", "6");
r.setRequestHeader("X-Frontend-Version", "0");
r.setRequestHeader("X-Request-With", "https://www.nicovideo.jp");
r.onreadystatechange = function () {
if (r.readyState === XMLHttpRequest.DONE) {
var n = JSON.parse(r.responseText);
if (r.status >= 200 && r.status < 400) {
m3u8_variants(n.data.contentUrl, t);
}
}
};
var u = [];
n.videos.forEach(function (t) {
n.audios.forEach(function (n) {
t.isAvailable && n.isAvailable && u.push([t.id, n.id]);
});
});
// Filter outputs based on selected quality
var filteredOutputs = [];
switch (quality) {
case '720p':
console.log(`function executeDownloadScript: quality "${quality}" selected`);
// Filter out 1080p, keep 720p and lower
filteredOutputs = u.filter(function(output) {
return output[0] !== 'video-h264-1080p';
});
break;
case '480p':
console.log(`function executeDownloadScript: quality "${quality}" selected`);
// Filter out 1080p and 720p, keep 480p and lower
filteredOutputs = u.filter(function(output) {
return output[0] !== 'video-h264-1080p' && output[0] !== 'video-h264-720p';
});
break;
case '360p':
console.log(`function executeDownloadScript: quality "${quality}" selected`);
// Filter out 1080p, 720p, and 480p, keep 360p
filteredOutputs = u.filter(function(output) {
return output[0] !== 'video-h264-1080p' && output[0] !== 'video-h264-720p' && output[0] !== 'video-h264-480p';
});
break;
default:
console.log(`function executeDownloadScript: quality "${quality}" selected`);
filteredOutputs = u;
break;
}
// Use the first available output from filtered list
var selectedOutput = filteredOutputs.length > 0 ? [filteredOutputs[0]] : [u[0]];
r.send(JSON.stringify({outputs: selectedOutput}));
};
var v3 = function v3(n, t, i) {
var u = "https://www.nicovideo.jp/api/watch/v3" + (n ? "_guest/" : "/") + t + "?_frontendId=6&_frontendVersion=0&actionTrackId=AAAAAAAAAA_" + i + "&skips=harmful&noSideEffect=false&t=" + i;
var r = new XMLHttpRequest;
r.withCredentials = true;
r.open("GET", u);
r.onreadystatechange = function () {
if (r.readyState === XMLHttpRequest.DONE) {
var u = JSON.parse(r.responseText);
if (r.status >= 200 && r.status < 400) {
if (u.data.media.domand) {
domand(u.data.media.domand, t, i);
} else {
document.body.innerHTML = "<p>" + u.data.okReason + "</p>";
}
} else if (n) {
document.body.innerHTML = "<p>" + u.meta.errorCode + "</p>";
} else {
v3(true, t, i);
}
}
};
r.send();
};
if (/ext\.nicovideo\.jp\/\?(\w+)/.test(document.URL)) {
video_id = RegExp.$1;
t = (new Date).getTime();
v3(false, video_id, t);
}
console.log("Self-contained download script executed successfully");
} catch (error) {
console.error("Error executing self-contained download script:", error);
console.log("Trying to load the script from external source");
// Fallback
loadExternalDownloadScript(quality);
}
}
})();