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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*
*
* ---
*
* libvpx:
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* Copyright (c) 2010, The WebM Project authors. All rights reserved.
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*
* ---
*
* emscripten and musl:
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* 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-webm.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(eb){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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