libav.js
Version:
A compilation of the libraries associated with handling audio and video in ffmpeg—libavformat, libavcodec, libavfilter, libavutil and libswresample—for WebAssembly and asm.js, and thus the web.
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JavaScript
/*!
* libav.js v6.5.7.1
*
* This software is compiled from several sources, the licenses for which are
* included herein.
*
* ---
*
* ffmpeg:
*
* Copyright (c) 2000-2024 Fabrice Bellard et al
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*
* ---
*
* ffmpeg oggdec:
*
* Copyright (C) 2005 Michael Ahlberg, Måns Rullgård
* Copyright (C) 2005 Matthieu CASTET, Alex Beregszaszi
* Copyright (C) 2008 Reimar Döffinger
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*
*
* ---
*
* opus:
*
* Copyright 2001-2011 Xiph.Org, Skype Limited, Octasic,
* Jean-Marc Valin, Timothy B. Terriberry,
* CSIRO, Gregory Maxwell, Mark Borgerding,
* Erik de Castro Lopo
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*
*
* ---
*
* libvorbis, libogg:
*
* Copyright (c) 2002-2020 Xiph.org Foundation
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*
*
* ---
*
* lame:
*
* Copyright (C) 1999-2017 The L.A.M.E. project
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
*
* ---
*
* emscripten and musl:
*
* Copyright (c) 2010-2024 Emscripten authors, see AUTHORS file.
* Copyright © 2005-2024 Rich Felker, et al.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* emcc (Emscripten gcc/clang-like replacement + linker emulating GNU ld) 3.1.70 (b53978ee3f540dc74761eba127aa7f1b8761a125)
*
*/
var LibAVFactory = (() => {
var _scriptName = typeof document != 'undefined' ? document.currentScript?.src : undefined;
if (typeof __filename != 'undefined') _scriptName = _scriptName || __filename;
return (
function(moduleArg = {}) {
var moduleRtn;
var Module=moduleArg;var readyPromiseResolve,readyPromiseReject;var readyPromise=new Promise((resolve,reject)=>{readyPromiseResolve=resolve;readyPromiseReject=reject});var ENVIRONMENT_IS_WEB=typeof window=="object";var ENVIRONMENT_IS_WORKER=typeof importScripts=="function";var ENVIRONMENT_IS_NODE=typeof process=="object"&&typeof process.versions=="object"&&typeof process.versions.node=="string"&&process.type!="renderer";if(ENVIRONMENT_IS_NODE){}if(typeof _scriptName==="undefined"){if(typeof LibAV==="object"&&LibAV&&LibAV.base)_scriptName=LibAV.base+"/libav-6.5.7.1-obsolete.asm.js";else if(typeof self==="object"&&self&&self.location)_scriptName=self.location.href}Module.locateFile=function(path,prefix){if(path.lastIndexOf(".wasm")===path.length-5&&path.indexOf("libav-")!==-1){if(Module.wasmurl)return Module.wasmurl;if(Module.variant)return prefix+"libav-6.5.7.1-"+Module.variant+".asm.wasm"}return prefix+path};var moduleOverrides=Object.assign({},Module);var arguments_=[];var thisProgram="./this.program";var quit_=(status,toThrow)=>{throw toThrow};var scriptDirectory="";function locateFile(path){if(Module["locateFile"]){return Module["locateFile"](path,scriptDirectory)}return scriptDirectory+path}var readAsync,readBinary;if(ENVIRONMENT_IS_NODE){var fs=require("fs");var nodePath=require("path");scriptDirectory=__dirname+"/";readBinary=filename=>{filename=isFileURI(filename)?new URL(filename):nodePath.normalize(filename);var ret=fs.readFileSync(filename);return ret};readAsync=(filename,binary=true)=>{filename=isFileURI(filename)?new URL(filename):nodePath.normalize(filename);return new Promise((resolve,reject)=>{fs.readFile(filename,binary?undefined:"utf8",(err,data)=>{if(err)reject(err);else resolve(binary?data.buffer:data)})})};if(!Module["thisProgram"]&&process.argv.length>1){thisProgram=process.argv[1].replace(/\\/g,"/")}arguments_=process.argv.slice(2);quit_=(status,toThrow)=>{process.exitCode=status;throw toThrow}}else if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){if(ENVIRONMENT_IS_WORKER){scriptDirectory=self.location.href}else if(typeof document!="undefined"&&document.currentScript){scriptDirectory=document.currentScript.src}if(_scriptName){scriptDirectory=_scriptName}if(scriptDirectory.startsWith("blob:")){scriptDirectory=""}else{scriptDirectory=scriptDirectory.substr(0,scriptDirectory.replace(/[?#].*/,"").lastIndexOf("/")+1)}{if(ENVIRONMENT_IS_WORKER){readBinary=url=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.responseType="arraybuffer";xhr.send(null);return new Uint8Array(xhr.response)}}readAsync=url=>{if(isFileURI(url)){return new Promise((resolve,reject)=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,true);xhr.responseType="arraybuffer";xhr.onload=()=>{if(xhr.status==200||xhr.status==0&&xhr.response){resolve(xhr.response);return}reject(xhr.status)};xhr.onerror=reject;xhr.send(null)})}return fetch(url,{credentials:"same-origin"}).then(response=>{if(response.ok){return response.arrayBuffer()}return Promise.reject(new Error(response.status+" : "+response.url))})}}}else{}var out=Module["print"]||console.log.bind(console);var err=Module["printErr"]||console.error.bind(console);Object.assign(Module,moduleOverrides);moduleOverrides=null;if(Module["arguments"])arguments_=Module["arguments"];if(Module["thisProgram"])thisProgram=Module["thisProgram"];var wasmBinary=Module["wasmBinary"];var WebAssembly={Memory:function(opts){this.buffer=new ArrayBuffer(opts["initial"]*65536)},Module:function(binary){},Instance:function(module,info){this.exports=(
// EMSCRIPTEN_START_ASM
function instantiate(Ta){function c(d){d.set=function(a,b){this[a]=b};d.get=function(a){return this[a]};return d}var e;var f=new Uint8Array(123);for(var a=25;a>=0;--a){f[48+a]=52+a;f[65+a]=a;f[97+a]=26+a}f[43]=62;f[47]=63;function l(m,n,o){var g,h,a=0,i=n,j=o.length,k=n+(j*3>>2)-(o[j-2]=="=")-(o[j-1]=="=");for(;a<j;a+=4){g=f[o.charCodeAt(a+1)];h=f[o.charCodeAt(a+2)];m[i++]=f[o.charCodeAt(a)]<<2|g>>4;if(i<k)m[i++]=g<<4|h>>2;if(i<k)m[i++]=h<<6|f[o.charCodeAt(a+3)]}}function p(q){l(e,1024,"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GluZyBvZiB0aGUgSS9PIGNvbnRleHQgYWZ0ZXIgZWFjaCBwYWNrZXQAbWF4IHNpemUgb2Ygc2luZ2xlIHBhY2tldABxdWlldABzZXQgaW50ZWdyYXRlZCBsb3VkbmVzcyB0YXJnZXQAc2V0IGxvdWRuZXNzIHJhbmdlIHRhcmdldABmZl9mcmFtZV9wb29sX2dldABmZl9idWZxdWV1ZV9nZXQAZl9zdHJpY3QAcGljdABhdXRvZGV0ZWN0AGZfZXJyX2RldGVjdABkaXJlY3QAcGl4ZWxfYXNwZWN0AGZmdXJsX2Nvbm5lY3QAZ3JwX3RhYmxlX3NlbGVjdABiYW5kcmVqZWN0AGlsZGN0