essentia.js/dist/essentia-wasm.web.js

JavaScript library for music/audio analysis and processing, powered by Essentia WebAssembly

/*
 * Copyright (C) 2006-2020  Music Technology Group - Universitat Pompeu Fabra
 *
 * This file is part of Essentia
 *
 * Essentia is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License as published by the Free
 * Software Foundation (FSF), either version 3 of the License, or (at your
 * option) any later version.
 *
 * This program 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 General Public License for more
 * details.
 *
 * You should have received a copy of the Affero GNU General Public License
 * version 3 along with this program.  If not, see http://www.gnu.org/licenses/
 */

var EssentiaWASM = (function() {
  var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
  
  return (
function(EssentiaWASM) {
  EssentiaWASM = EssentiaWASM || {};

var Module=typeof EssentiaWASM!=="undefined"?EssentiaWASM:{};var readyPromiseResolve,readyPromiseReject;Module["ready"]=new Promise(function(resolve,reject){readyPromiseResolve=resolve;readyPromiseReject=reject});if(!Object.getOwnPropertyDescriptor(Module["ready"],"_main")){Object.defineProperty(Module["ready"],"_main",{configurable:true,get:function(){abort("You are getting _main on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}});Object.defineProperty(Module["ready"],"_main",{configurable:true,set:function(){abort("You are setting _main on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}})}if(!Object.getOwnPropertyDescriptor(Module["ready"],"_malloc")){Object.defineProperty(Module["ready"],"_malloc",{configurable:true,get:function(){abort("You are getting _malloc on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}});Object.defineProperty(Module["ready"],"_malloc",{configurable:true,set:function(){abort("You are setting _malloc on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}})}if(!Object.getOwnPropertyDescriptor(Module["ready"],"_free")){Object.defineProperty(Module["ready"],"_free",{configurable:true,get:function(){abort("You are getting _free on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}});Object.defineProperty(Module["ready"],"_free",{configurable:true,set:function(){abort("You are setting _free on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}})}if(!Object.getOwnPropertyDescriptor(Module["ready"],"_stackSave")){Object.defineProperty(Module["ready"],"_stackSave",{configurable:true,get:function(){abort("You are getting _stackSave on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}});Object.defineProperty(Module["ready"],"_stackSave",{configurable:true,set:function(){abort("You are setting _stackSave on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}})}if(!Object.getOwnPropertyDescriptor(Module["ready"],"_stackRestore")){Object.defineProperty(Module["ready"],"_stackRestore",{configurable:true,get:function(){abort("You are getting _stackRestore on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}});Object.defineProperty(Module["ready"],"_stackRestore",{configurable:true,set:function(){abort("You are setting _stackRestore on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}})}if(!Object.getOwnPropertyDescriptor(Module["ready"],"_stackAlloc")){Object.defineProperty(Module["ready"],"_stackAlloc",{configurable:true,get:function(){abort("You are getting _stackAlloc on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}});Object.defineProperty(Module["ready"],"_stackAlloc",{configurable:true,set:function(){abort("You are setting _stackAlloc on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}})}if(!Object.getOwnPropertyDescriptor(Module["ready"],"___data_end")){Object.defineProperty(Module["ready"],"___data_end",{configurable:true,get:function(){abort("You are getting ___data_end on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}});Object.defineProperty(Module["ready"],"___data_end",{configurable:true,set:function(){abort("You are setting ___data_end on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}})}if(!Object.getOwnPropertyDescriptor(Module["ready"],"___wasm_call_ctors")){Object.defineProperty(Module["ready"],"___wasm_call_ctors",{configurable:true,get:function(){abort("You are getting ___wasm_call_ctors on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}});Object.defineProperty(Module["ready"],"___wasm_call_ctors",{configurable:true,set:function(){abort("You are setting ___wasm_call_ctors on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}})}if(!Object.getOwnPropertyDescriptor(Module["ready"],"_fflush")){Object.defineProperty(Module["ready"],"_fflush",{configurable:true,get:function(){abort("You are getting _fflush on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}});Object.defineProperty(Module["ready"],"_fflush",{configurable:true,set:function(){abort("You are setting _fflush on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}})}if(!Object.getOwnPropertyDescriptor(Module["ready"],"___errno_location")){Object.defineProperty(Module["ready"],"___errno_location",{configurable:true,get:function(){abort("You are getting ___errno_location on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}});Object.defineProperty(Module["ready"],"___errno_location",{configurable:true,set:function(){abort("You are setting ___errno_location on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}})}if(!Object.getOwnPropertyDescriptor(Module["ready"],"__ZSt18uncaught_exceptionv")){Object.defineProperty(Module["ready"],"__ZSt18uncaught_exceptionv",{configurable:true,get:function(){abort("You are getting __ZSt18uncaught_exceptionv on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}});Object.defineProperty(Module["ready"],"__ZSt18uncaught_exceptionv",{configurable:true,set:function(){abort("You are setting __ZSt18uncaught_exceptionv on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}})}if(!Object.getOwnPropertyDescriptor(Module["ready"],"_setThrew")){Object.defineProperty(Module["ready"],"_setThrew",{configurable:true,get:function(){abort("You are getting _setThrew on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}});Object.defineProperty(Module["ready"],"_setThrew",{configurable:true,set:function(){abort("You are setting _setThrew on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}})}if(!Object.getOwnPropertyDescriptor(Module["ready"],"onRuntimeInitialized")){Object.defineProperty(Module["ready"],"onRuntimeInitialized",{configurable:true,get:function(){abort("You are getting onRuntimeInitialized on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}});Object.defineProperty(Module["ready"],"onRuntimeInitialized",{configurable:true,set:function(){abort("You are setting onRuntimeInitialized on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")}})}var moduleOverrides={};var key;for(key in Module){if(Module.hasOwnProperty(key)){moduleOverrides[key]=Module[key]}}var arguments_=[];var thisProgram="./this.program";var quit_=function(status,toThrow){throw toThrow};var ENVIRONMENT_IS_WEB=true;var ENVIRONMENT_IS_WORKER=false;if(Module["ENVIRONMENT"]){throw new Error("Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -s ENVIRONMENT=web or -s ENVIRONMENT=node)")}var scriptDirectory="";function locateFile(path){if(Module["locateFile"]){return Module["locateFile"](path,scriptDirectory)}return scriptDirectory+path}var read_,readAsync,readBinary,setWindowTitle;if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){if(ENVIRONMENT_IS_WORKER){scriptDirectory=self.location.href}else if(document.currentScript){scriptDirectory=document.currentScript.src}if(_scriptDir){scriptDirectory=_scriptDir}if(scriptDirectory.indexOf("blob:")!==0){scriptDirectory=scriptDirectory.substr(0,scriptDirectory.lastIndexOf("/")+1)}else{scriptDirectory=""}if(!(typeof window==="object"||typeof importScripts==="function"))throw new Error("not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)");{read_=function shell_read(url){var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.send(null);return xhr.responseText};if(ENVIRONMENT_IS_WORKER){readBinary=function readBinary(url){var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.responseType="arraybuffer";xhr.send(null);return new Uint8Array(xhr.response)}}readAsync=function readAsync(url,onload,onerror){var xhr=new XMLHttpRequest;xhr.open("GET",url,true);xhr.responseType="arraybuffer";xhr.onload=function xhr_onload(){if(xhr.status==200||xhr.status==0&&xhr.response){onload(xhr.response);return}onerror()};xhr.onerror=onerror;xhr.send(null)}}setWindowTitle=function(title){document.title=title}}else{throw new Error("environment detection error")}var out=Module["print"]||console.log.bind(console);var err=Module["printErr"]||console.warn.bind(console);for(key in moduleOverrides){if(moduleOverrides.hasOwnProperty(key)){Module[key]=moduleOverrides[key]}}moduleOverrides=null;if(Module["arguments"])arguments_=Module["arguments"];if(!Object.getOwnPropertyDescriptor(Module,"arguments"))Object.defineProperty(Module,"arguments",{configurable:true,get:function(){abort("Module.arguments has been replaced with plain arguments_ (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)")}});if(Module["thisProgram"])thisProgram=Module["thisProgram"];if(!Object.getOwnPropertyDescriptor(Module,"thisProgram"))Object.defineProperty(Module,"thisProgram",{configurable:true,get:function(){abort("Module.thisProgram has been replaced with plain thisProgram (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)")}});if(Module["quit"])quit_=Module["quit"];if(!Object.getOwnPropertyDescriptor(Module,"quit"))Object.defineProperty(Module,"quit",{configurable:true,get:function(){abort("Module.quit has been replaced with plain quit_ (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)")}});assert(typeof Module["memoryInitializerPrefixURL"]==="undefined","Module.memoryInitializerPrefixURL option was removed, use Module.locateFile instead");assert(typeof Module["pthreadMainPrefixURL"]==="undefined","Module.pthreadMainPrefixURL option was removed, use Module.locateFile instead");assert(typeof Module["cdInitializerPrefixURL"]==="undefined","Module.cdInitializerPrefixURL option was removed, use Module.locateFile instead");assert(typeof Module["filePackagePrefixURL"]==="undefined","Module.filePackagePrefixURL option was removed, use Module.locateFile instead");assert(typeof Module["read"]==="undefined","Module.read option was removed (modify read_ in JS)");assert(typeof Module["readAsync"]==="undefined","Module.readAsync option was removed (modify readAsync in JS)");assert(typeof Module["readBinary"]==="undefined","Module.readBinary option was removed (modify readBinary in JS)");assert(typeof Module["setWindowTitle"]==="undefined","Module.setWindowTitle option was removed (modify setWindowTitle in JS)");assert(typeof Module["TOTAL_MEMORY"]==="undefined","Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY");if(!Object.getOwnPropertyDescriptor(Module,"read"))Object.defineProperty(Module,"read",{configurable:true,get:function(){abort("Module.read has been replaced with plain read_ (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)")}});if(!Object.getOwnPropertyDescriptor(Module,"readAsync"))Object.defineProperty(Module,"readAsync",{configurable:true,get:function(){abort("Module.readAsync has been replaced with plain readAsync (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)")}});if(!Object.getOwnPropertyDescriptor(Module,"readBinary"))Object.defineProperty(Module,"readBinary",{configurable:true,get:function(){abort("Module.readBinary has been replaced with plain readBinary (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)")}});if(!Object.getOwnPropertyDescriptor(Module,"setWindowTitle"))Object.defineProperty(Module,"setWindowTitle",{configurable:true,get:function(){abort("Module.setWindowTitle has been replaced with plain setWindowTitle (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)")}});var STACK_ALIGN=16;function dynamicAlloc(size){assert(DYNAMICTOP_PTR);var ret=HEAP32[DYNAMICTOP_PTR>>2];var end=ret+size+15&-16;assert(end<=HEAP8.length,"failure to dynamicAlloc - memory growth etc. is not supported there, call malloc/sbrk directly");HEAP32[DYNAMICTOP_PTR>>2]=end;return ret}function getNativeTypeSize(type){switch(type){case"i1":case"i8":return 1;case"i16":return 2;case"i32":return 4;case"i64":return 8;case"float":return 4;case"double":return 8;default:{if(type[type.length-1]==="*"){return 4}else if(type[0]==="i"){var bits=Number(type.substr(1));assert(bits%8===0,"getNativeTypeSize invalid bits "+bits+", type "+type);return bits/8}else{return 0}}}}function warnOnce(text){if(!warnOnce.shown)warnOnce.shown={};if(!warnOnce.shown[text]){warnOnce.shown[text]=1;err(text)}}function convertJsFunctionToWasm(func,sig){if(typeof WebAssembly.Function==="function"){var typeNames={"i":"i32","j":"i64","f":"f32","d":"f64"};var type={parameters:[],results:sig[0]=="v"?[]:[typeNames[sig[0]]]};for(var i=1;i<sig.length;++i){type.parameters.push(typeNames[sig[i]])}return new WebAssembly.Function(type,func)}var typeSection=[1,0,1,96];var sigRet=sig.slice(0,1);var sigParam=sig.slice(1);var typeCodes={"i":127,"j":126,"f":125,"d":124};typeSection.push(sigParam.length);for(var i=0;i<sigParam.length;++i){typeSection.push(typeCodes[sigParam[i]])}if(sigRet=="v"){typeSection.push(0)}else{typeSection=typeSection.concat([1,typeCodes[sigRet]])}typeSection[1]=typeSection.length-2;var bytes=new Uint8Array([0,97,115,109,1,0,0,0].concat(typeSection,[2,7,1,1,101,1,102,0,0,7,5,1,1,102,0,0]));var module=new WebAssembly.Module(bytes);var instance=new WebAssembly.Instance(module,{"e":{"f":func}});var wrappedFunc=instance.exports["f"];return wrappedFunc}var freeTableIndexes=[];var functionsInTableMap;function addFunctionWasm(func,sig){var table=wasmTable;if(!functionsInTableMap){functionsInTableMap=new WeakMap;for(var i=0;i<table.length;i++){var item=table.get(i);if(item){functionsInTableMap.set(item,i)}}}if(functionsInTableMap.has(func)){return functionsInTableMap.get(func)}for(var i=0;i<table.length;i++){assert(table.get(i)!=func,"function in Table but not functionsInTableMap")}var ret;if(freeTableIndexes.length){ret=freeTableIndexes.pop()}else{ret=table.length;try{table.grow(1)}catch(err){if(!(err instanceof RangeError)){throw err}throw"Unable to grow wasm table. Set ALLOW_TABLE_GROWTH."}}try{table.set(ret,func)}catch(err){if(!(err instanceof TypeError)){throw err}assert(typeof sig!=="undefined","Missing signature argument to addFunction");var wrapped=convertJsFunctionToWasm(func,sig);table.set(ret,wrapped)}functionsInTableMap.set(func,ret);return ret}function removeFunctionWasm(index){functionsInTableMap.delete(wasmTable.get(index));freeTableIndexes.push(index)}var funcWrappers={};function dynCall(sig,ptr,args){if(args&&args.length){assert(args.length===sig.substring(1).replace(/j/g,"--").length);assert("dynCall_"+sig in Module,"bad function pointer type - no table for sig '"+sig+"'");return Module["dynCall_"+sig].apply(null,[ptr].concat(args))}else{assert(sig.length==1);assert("dynCall_"+sig in Module,"bad function pointer type - no table for sig '"+sig+"'");return Module["dynCall_"+sig].call(null,ptr)}}var tempRet0=0;var setTempRet0=function(value){tempRet0=value};var wasmBinary;if(Module["wasmBinary"])wasmBinary=Module["wasmBinary"];if(!Object.getOwnPropertyDescriptor(Module,"wasmBinary"))Object.defineProperty(Module,"wasmBinary",{configurable:true,get:function(){abort("Module.wasmBinary has been replaced with plain wasmBinary (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)")}});var noExitRuntime;if(Module["noExitRuntime"])noExitRuntime=Module["noExitRuntime"];if(!Object.getOwnPropertyDescriptor(Module,"noExitRuntime"))Object.defineProperty(Module,"noExitRuntime",{configurable:true,get:function(){abort("Module.noExitRuntime has been replaced with plain noExitRuntime (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)")}});if(typeof WebAssembly!=="object"){abort("no native wasm support detected")}function setValue(ptr,value,type,noSafe){type=type||"i8";if(type.charAt(type.length-1)==="*")type="i32";switch(type){case"i1":HEAP8[ptr>>0]=value;break;case"i8":HEAP8[ptr>>0]=value;break;case"i16":HEAP16[ptr>>1]=value;break;case"i32":HEAP32[ptr>>2]=value;break;case"i64":tempI64=[value>>>0,(tempDouble=value,+Math_abs(tempDouble)>=1?tempDouble>0?(Math_min(+Math_floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math_ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[ptr>>2]=tempI64[0],HEAP32[ptr+4>>2]=tempI64[1];break;case"float":HEAPF32[ptr>>2]=value;break;case"double":HEAPF64[ptr>>3]=value;break;default:abort("invalid type for setValue: "+type)}}var wasmMemory;var wasmTable=new WebAssembly.Table({"initial":4301,"maximum":4301+0,"element":"anyfunc"});var ABORT=false;var EXITSTATUS=0;function assert(condition,text){if(!condition){abort("Assertion failed: "+text)}}function getCFunc(ident){var func=Module["_"+ident];assert(func,"Cannot call unknown function "+ident+", make sure it is exported");return func}function ccall(ident,returnType,argTypes,args,opts){var toC={"string":function(str){var ret=0;if(str!==null&&str!==undefined&&str!==0){var len=(str.length<<2)+1;ret=stackAlloc(len);stringToUTF8(str,ret,len)}return ret},"array":function(arr){var ret=stackAlloc(arr.length);writeArrayToMemory(arr,ret);return ret}};function convertReturnValue(ret){if(returnType==="string")return UTF8ToString(ret);if(returnType==="boolean")return Boolean(ret);return ret}var func=getCFunc(ident);var cArgs=[];var stack=0;assert(returnType!=="array",'Return type should not be "array".');if(args){for(var i=0;i<args.length;i++){var converter=toC[argTypes[i]];if(converter){if(stack===0)stack=stackSave();cArgs[i]=converter(args[i])}else{cArgs[i]=args[i]}}}var ret=func.apply(null,cArgs);ret=convertReturnValue(ret);if(stack!==0)stackRestore(stack);return ret}var ALLOC_NONE=3;var UTF8Decoder=typeof TextDecoder!=="undefined"?new TextDecoder("utf8"):undefined;function UTF8ArrayToString(heap,idx,maxBytesToRead){var endIdx=idx+maxBytesToRead;var endPtr=idx;while(heap[endPtr]&&!(endPtr>=endIdx))++endPtr;if(endPtr-idx>16&&heap.subarray&&UTF8Decoder){return UTF8Decoder.decode(heap.subarray(idx,endPtr))}else{var str="";while(idx<endPtr){var u0=heap[idx++];if(!(u0&128)){str+=String.fromCharCode(u0);continue}var u1=heap[idx++]&63;if((u0&224)==192){str+=String.fromCharCode((u0&31)<<6|u1);continue}var u2=heap[idx++]&63;if((u0&240)==224){u0=(u0&15)<<12|u1<<6|u2}else{if((u0&248)!=240)warnOnce("Invalid UTF-8 leading byte 0x"+u0.toString(16)+" encountered when deserializing a UTF-8 string on the asm.js/wasm heap to a JS string!");u0=(u0&7)<<18|u1<<12|u2<<6|heap[idx++]&63}if(u0<65536){str+=String.fromCharCode(u0)}else{var ch=u0-65536;str+=String.fromCharCode(55296|ch>>10,56320|ch&1023)}}}return str}function UTF8ToString(ptr,maxBytesToRead){return ptr?UTF8ArrayToString(HEAPU8,ptr,maxBytesToRead):""}function stringToUTF8Array(str,heap,outIdx,maxBytesToWrite){if(!(maxBytesToWrite>0))return 0;var startIdx=outIdx;var endIdx=outIdx+maxBytesToWrite-1;for(var i=0;i<str.length;++i){var u=str.charCodeAt(i);if(u>=55296&&u<=57343){var u1=str.charCodeAt(++i);u=65536+((u&1023)<<10)|u1&1023}if(u<=127){if(outIdx>=endIdx)break;heap[outIdx++]=u}else if(u<=2047){if(outIdx+1>=endIdx)break;heap[outIdx++]=192|u>>6;heap[outIdx++]=128|u&63}else if(u<=65535){if(outIdx+2>=endIdx)break;heap[outIdx++]=224|u>>12;heap[outIdx++]=128|u>>6&63;heap[outIdx++]=128|u&63}else{if(outIdx+3>=endIdx)break;if(u>=2097152)warnOnce("Invalid Unicode code point 0x"+u.toString(16)+" encountered when serializing a JS string to an UTF-8 string on the asm.js/wasm heap! (Valid unicode code points should be in range 0-0x1FFFFF).");heap[outIdx++]=240|u>>18;heap[outIdx++]=128|u>>12&63;heap[outIdx++]=128|u>>6&63;heap[outIdx++]=128|u&63}}heap[outIdx]=0;return outIdx-startIdx}function stringToUTF8(str,outPtr,maxBytesToWrite){assert(typeof maxBytesToWrite=="number","stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!");return stringToUTF8Array(str,HEAPU8,outPtr,maxBytesToWrite)}function lengthBytesUTF8(str){var len=0;for(var i=0;i<str.length;++i){var u=str.charCodeAt(i);if(u>=55296&&u<=57343)u=65536+((u&1023)<<10)|str.charCodeAt(++i)&1023;if(u<=127)++len;else if(u<=2047)len+=2;else if(u<=65535)len+=3;else len+=4}return len}var UTF16Decoder=typeof TextDecoder!=="undefined"?new TextDecoder("utf-16le"):undefined;function UTF16ToString(ptr,maxBytesToRead){assert(ptr%2==0,"Pointer passed to UTF16ToString must be aligned to two bytes!");var endPtr=ptr;var idx=endPtr>>1;var maxIdx=idx+maxBytesToRead/2;while(!(idx>=maxIdx)&&HEAPU16[idx])++idx;endPtr=idx<<1;if(endPtr-ptr>32&&UTF16Decoder){return UTF16Decoder.decode(HEAPU8.subarray(ptr,endPtr))}else{var i=0;var str="";while(1){var codeUnit=HEAP16[ptr+i*2>>1];if(codeUnit==0||i==maxBytesToRead/2)return str;++i;str+=String.fromCharCode(codeUnit)}}}function stringToUTF16(str,outPtr,maxBytesToWrite){assert(outPtr%2==0,"Pointer passed to stringToUTF16 must be aligned to two bytes!");assert(typeof maxBytesToWrite=="number","stringToUTF16(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!");if(maxBytesToWrite===undefined){maxBytesToWrite=2147483647}if(maxBytesToWrite<2)return 0;maxBytesToWrite-=2;var startPtr=outPtr;var numCharsToWrite=maxBytesToWrite<str.length*2?maxBytesToWrite/2:str.length;for(var i=0;i<numCharsToWrite;++i){var codeUnit=str.charCodeAt(i);HEAP16[outPtr>>1]=codeUnit;outPtr+=2}HEAP16[outPtr>>1]=0;return outPtr-startPtr}function lengthBytesUTF16(str){return str.length*2}function UTF32ToString(ptr,maxBytesToRead){assert(ptr%4==0,"Pointer passed to UTF32ToString must be aligned to four bytes!");var i=0;var str="";while(!(i>=maxBytesToRead/4)){var utf32=HEAP32[ptr+i*4>>2];if(utf32==0)break;++i;if(utf32>=65536){var ch=utf32-65536;str+=String.fromCharCode(55296|ch>>10,56320|ch&1023)}else{str+=String.fromCharCode(utf32)}}return str}function stringToUTF32(str,outPtr,maxBytesToWrite){assert(outPtr%4==0,"Pointer passed to stringToUTF32 must be aligned to four bytes!");assert(typeof maxBytesToWrite=="number","stringToUTF32(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!");if(maxBytesToWrite===undefined){maxBytesToWrite=2147483647}if(maxBytesToWrite<4)return 0;var startPtr=outPtr;var endPtr=startPtr+maxBytesToWrite-4;for(var i=0;i<str.length;++i){var codeUnit=str.charCodeAt(i);if(codeUnit>=55296&&codeUnit<=57343){var trailSurrogate=str.charCodeAt(++i);codeUnit=65536+((codeUnit&1023)<<10)|trailSurrogate&1023}HEAP32[outPtr>>2]=codeUnit;outPtr+=4;if(outPtr+4>endPtr)break}HEAP32[outPtr>>2]=0;return outPtr-startPtr}function lengthBytesUTF32(str){var len=0;for(var i=0;i<str.length;++i){var codeUnit=str.charCodeAt(i);if(codeUnit>=55296&&codeUnit<=57343)++i;len+=4}return len}function writeArrayToMemory(array,buffer){assert(array.length>=0,"writeArrayToMemory array must have a length (should be an array or typed array)");HEAP8.set(array,buffer)}function writeAsciiToMemory(str,buffer,dontAddNull){for(var i=0;i<str.length;++i){assert(str.charCodeAt(i)===str.charCodeAt(i)&255);HEAP8[buffer++>>0]=str.charCodeAt(i)}if(!dontAddNull)HEAP8[buffer>>0]=0}var WASM_PAGE_SIZE=65536;function alignUp(x,multiple){if(x%multiple>0){x+=multiple-x%multiple}return x}var buffer,HEAP8,HEAPU8,HEAP16,HEAPU16,HEAP32,HEAPU32,HEAPF32,HEAPF64;function updateGlobalBufferAndViews(buf){buffer=buf;Module["HEAP8"]=HEAP8=new Int8Array(buf);Module["HEAP16"]=HEAP16=new Int16Array(buf);Module["HEAP32"]=HEAP32=new Int32Array(buf);Module["HEAPU8"]=HEAPU8=new Uint8Array(buf);Module["HEAPU16"]=HEAPU16=new Uint16Array(buf);Module["HEAPU32"]=HEAPU32=new Uint32Array(buf);Module["HEAPF32"]=HEAPF32=new Float32Array(buf);Module["HEAPF64"]=HEAPF64=new Float64Array(buf)}var STACK_BASE=5713952,STACK_MAX=471072,DYNAMIC_BASE=5713952,DYNAMICTOP_PTR=470912;assert(STACK_BASE%16===0,"stack must start aligned");assert(DYNAMIC_BASE%16===0,"heap must start aligned");var TOTAL_STACK=5242880;if(Module["TOTAL_STACK"])assert(TOTAL_STACK===Module["TOTAL_STACK"],"the stack size can no longer be determined at runtime");var INITIAL_INITIAL_MEMORY=Module["INITIAL_MEMORY"]||16777216;if(!Object.getOwnPropertyDescriptor(Module,"INITIAL_MEMORY"))Object.defineProperty(Module,"INITIAL_MEMORY",{configurable:true,get:function(){abort("Module.INITIAL_MEMORY has been replaced with plain INITIAL_INITIAL_MEMORY (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)")}});assert(INITIAL_INITIAL_MEMORY>=TOTAL_STACK,"INITIAL_MEMORY should be larger than TOTAL_STACK, was "+INITIAL_INITIAL_MEMORY+"! (TOTAL_STACK="+TOTAL_STACK+")");assert(typeof Int32Array!=="undefined"&&typeof Float64Array!=="undefined"&&Int32Array.prototype.subarray!==undefined&&Int32Array.prototype.set!==undefined,"JS engine does not provide full typed array support");if(Module["wasmMemory"]){wasmMemory=Module["wasmMemory"]}else{wasmMemory=new WebAssembly.Memory({"initial":INITIAL_INITIAL_MEMORY/WASM_PAGE_SIZE,"maximum":2147483648/WASM_PAGE_SIZE})}if(wasmMemory){buffer=wasmMemory.buffer}INITIAL_INITIAL_MEMORY=buffer.byteLength;assert(INITIAL_INITIAL_MEMORY%WASM_PAGE_SIZE===0);assert(65536%WASM_PAGE_SIZE===0);updateGlobalBufferAndViews(buffer);HEAP32[DYNAMICTOP_PTR>>2]=DYNAMIC_BASE;function writeStackCookie(){assert((STACK_MAX&3)==0);HEAPU32[(STACK_MAX>>2)+1]=34821223;HEAPU32[(STACK_MAX>>2)+2]=2310721022;HEAP32[0]=1668509029}function checkStackCookie(){var cookie1=HEAPU32[(STACK_MAX>>2)+1];var cookie2=HEAPU32[(STACK_MAX>>2)+2];if(cookie1!=34821223||cookie2!=2310721022){abort("Stack overflow! Stack cookie has been overwritten, expected hex dwords 0x89BACDFE and 0x2135467, but received 0x"+cookie2.toString(16)+" "+cookie1.toString(16))}if(HEAP32[0]!==1668509029)abort("Runtime error: The application has corrupted its heap memory area (address zero)!")}(function(){var h16=new Int16Array(1);var h8=new Int8Array(h16.buffer);h16[0]=25459;if(h8[0]!==115||h8[1]!==99)throw"Runtime error: expected the system to be little-endian!"})();function callRuntimeCallbacks(callbacks){while(callbacks.length>0){var callback=callbacks.shift();if(typeof callback=="function"){callback(Module);continue}var func=callback.func;if(typeof func==="number"){if(callback.arg===undefined){Module["dynCall_v"](func)}else{Module["dynCall_vi"](func,callback.arg)}}else{func(callback.arg===undefined?null:callback.arg)}}}var __ATPRERUN__=[];var __ATINIT__=[];var __ATMAIN__=[];var __ATPOSTRUN__=[];var runtimeInitialized=false;var runtimeExited=false;function preRun(){if(Module["preRun"]){if(typeof Module["preRun"]=="function")Module["preRun"]=[Module["preRun"]];while(Module["preRun"].length){addOnPreRun(Module["preRun"].shift())}}callRuntimeCallbacks(__ATPRERUN__)}function initRuntime(){checkStackCookie();assert(!runtimeInitialized);runtimeInitialized=true;if(!Module["noFSInit"]&&!FS.init.initialized)FS.init();TTY.init();callRuntimeCallbacks(__ATINIT__)}function preMain(){checkStackCookie();FS.ignorePermissions=false;callRuntimeCallbacks(__ATMAIN__)}function exitRuntime(){checkStackCookie();runtimeExited=true}function postRun(){checkStackCookie();if(Module["postRun"]){if(typeof Module["postRun"]=="function")Module["postRun"]=[Module["postRun"]];while(Module["postRun"].length){addOnPostRun(Module["postRun"].shift())}}callRuntimeCallbacks(__ATPOSTRUN__)}function addOnPreRun(cb){__ATPRERUN__.unshift(cb)}function addOnPostRun(cb){__ATPOSTRUN__.unshift(cb)}assert(Math.imul,"This browser does not support Math.imul(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill");assert(Math.fround,"This browser does not support Math.fround(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill");assert(Math.clz32,"This browser does not support Math.clz32(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill");assert(Math.trunc,"This browser does not support Math.trunc(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill");var Math_abs=Math.abs;var Math_ceil=Math.ceil;var Math_floor=Math.floor;var Math_min=Math.min;var runDependencies=0;var runDependencyWatcher=null;var dependenciesFulfilled=null;var runDependencyTracking={};function getUniqueRunDependency(id){var orig=id;while(1){if(!runDependencyTracking[id])return id;id=orig+Math.random()}}function addRunDependency(id){runDependencies++;if(Module["monitorRunDependencies"]){Module["monitorRunDependencies"](runDependencies)}if(id){assert(!runDependencyTracking[id]);runDependencyTracking[id]=1;if(runDependencyWatcher===null&&typeof setInterval!=="undefined"){runDependencyWatcher=setInterval(function(){if(ABORT){clearInterval(runDependencyWatcher);runDependencyWatcher=null;return}var shown=false;for(var dep in runDependencyTracking){if(!shown){shown=true;err("still waiting on run dependencies:")}err("dependency: "+dep)}if(shown){err("(end of list)")}},1e4)}}else{err("warning: run dependency added without ID")}}function removeRunDependency(id){runDependencies--;if(Module["monitorRunDependencies"]){Module["monitorRunDependencies"](runDependencies)}if(id){assert(runDependencyTracking[id]);delete runDependencyTracking[id]}else{err("warning: run dependency removed without ID")}if(runDependencies==0){if(runDependencyWatcher!==null){clearInterval(runDependencyWatcher);runDependencyWatcher=null}if(dependenciesFulfilled){var callback=dependenciesFulfilled;dependenciesFulfilled=null;callback()}}}Module["preloadedImages"]={};Module["preloadedAudios"]={};function abort(what){if(Module["onAbort"]){Module["onAbort"](what)}what+="";out(what);err(what);ABORT=true;EXITSTATUS=1;var output="abort("+what+") at "+stackTrace();what=output;throw new WebAssembly.RuntimeError(what)}function hasPrefix(str,prefix){return String.prototype.startsWith?str.startsWith(prefix):str.indexOf(prefix)===0}var dataURIPrefix="data:application/octet-stream;base64,";function isDataURI(filename){return hasPrefix(filename,dataURIPrefix)}var fileURIPrefix="file://";function createExportWrapper(name,fixedasm){return function(){var displayName=name;var asm=fixedasm;if(!fixedasm){asm=Module["asm"]}assert(runtimeInitialized,"native function `"+displayName+"` called before runtime initialization");assert(!runtimeExited,"native function `"+displayName+"` called after runtime exit (use NO_EXIT_RUNTIME to keep it alive after main() exits)");if(!asm[name]){assert(asm[name],"exported native function `"+displayName+"` not found")}return asm[name].apply(null,arguments)}}var wasmBinaryFile="essentia-wasm.web.wasm";if(!isDataURI(wasmBinaryFile)){wasmBinaryFile=locateFile(wasmBinaryFile)}function getBinary(){try{if(wasmBinary){return new Uint8Array(wasmBinary)}if(readBinary){return readBinary(wasmBinaryFile)}else{throw"both async and sync fetching of the wasm failed"}}catch(err){abort(err)}}function getBinaryPromise(){if(!wasmBinary&&(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER)&&typeof fetch==="function"){return fetch(wasmBinaryFile,{credentials:"same-origin"}).then(function(response){if(!response["ok"]){throw"failed to load wasm binary file at '"+wasmBinaryFile+"'"}return response["arrayBuffer"]()}).catch(function(){return getBinary()})}return new Promise(function(resolve,reject){resolve(getBinary())})}function createWasm(){var info={"env":asmLibraryArg,"wasi_snapshot_preview1":asmLibraryArg};function receiveInstance(instance,module){var exports=instance.exports;Module["asm"]=exports;removeRunDependency("wasm-instantiate")}addRunDependency("wasm-instantiate");var trueModule=Module;function receiveInstantiatedSource(output){assert(Module===trueModule,"the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?");trueModule=null;receiveInstance(output["instance"])}function instantiateArrayBuffer(receiver){return getBinaryPromise().then(function(binary){return WebAssembly.instantiate(binary,info)}).then(receiver,function(reason){err("failed to asynchronously prepare wasm: "+reason);abort(reason)})}function instantiateAsync(){if(!wasmBinary&&typeof WebAssembly.instantiateStreaming==="function"&&!isDataURI(wasmBinaryFile)&&typeof fetch==="function"){fetch(wasmBinaryFile,{credentials:"same-origin"}).then(function(response){var result=WebAssembly.instantiateStreaming(response,info);return result.then(receiveInstantiatedSource,function(reason){err("wasm streaming compile failed: "+reason);err("falling back to ArrayBuffer instantiation");return instantiateArrayBuffer(receiveInstantiatedSource)})})}else{return instantiateArrayBuffer(receiveInstantiatedSource)}}if(Module["instantiateWasm"]){try{var exports=Module["instantiateWasm"](info,receiveInstance);return exports}catch(e){err("Module.instantiateWasm callback failed with error: "+e);return false}}instantiateAsync();return{}}var tempDouble;var tempI64;__ATINIT__.push({func:function(){___wasm_call_ctors()}});function demangle(func){warnOnce("warning: build with  -s DEMANGLE_SUPPORT=1  to link in libcxxabi demangling");return func}function demangleAll(text){var regex=/\b_Z[\w\d_]+/g;return text.replace(regex,function(x){var y=demangle(x);return x===y?x:y+" ["+x+"]"})}function jsStackTrace(){var err=new Error;if(!err.stack){try{throw new Error}catch(e){err=e}if(!err.stack){return"(no stack trace available)"}}return err.stack.toString()}function stackTrace(){var js=jsStackTrace();if(Module["extraStackTrace"])js+="\n"+Module["extraStackTrace"]();return demangleAll(js)}function ___assert_fail(condition,filename,line,func){abort("Assertion failed: "+UTF8ToString(condition)+", at: "+[filename?UTF8ToString(filename):"unknown filename",line,func?UTF8ToString(func):"unknown function"])}function ___cxa_allocate_exception(size){return _malloc(size)}function _atexit(func,arg){warnOnce("atexit() called, but EXIT_RUNTIME is not set, so atexits() will not be called. set EXIT_RUNTIME to 1 (see the FAQ)")}function ___cxa_atexit(a0,a1){return _atexit(a0,a1)}var ___exception_infos={};var ___exception_last=0;function ___cxa_throw(ptr,type,destructor){err("Compiled code throwing an exception, "+[ptr,type,destructor]);___exception_infos[ptr]={ptr:ptr,adjusted:[ptr],type:type,destructor:destructor,refcount:0,caught:false,rethrown:false};___exception_last=ptr;if(!("uncaught_exception"in __ZSt18uncaught_exceptionv)){__ZSt18uncaught_exceptionv.uncaught_exceptions=1}else{__ZSt18uncaught_exceptionv.uncaught_exceptions++}throw ptr+" - Exception catching is disabled, this exception cannot be caught. Compile with -s DISABLE_EXCEPTION_CATCHING=0 or DISABLE_EXCEPTION_CATCHING=2 to catch."}function ___handle_stack_overflow(){abort("stack overflow")}function setErrNo(value){HEAP32[___errno_location()>>2]=value;return value}function ___map_file(pathname,size){setErrNo(63);return-1}var PATH={splitPath:function(filename){var splitPathRe=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;return splitPathRe.exec(filename).slice(1)},normalizeArray:function(parts,allowAboveRoot){var up=0;for(var i=parts.length-1;i>=0;i--){var last=parts[i];if(last==="."){parts.splice(i,1)}else if(last===".."){parts.splice(i,1);up++}else if(up){parts.splice(i,1);up--}}if(allowAboveRoot){for(;up;up--){parts.unshift("..")}}return parts},normalize:function(path){var isAbsolute=path.charAt(0)==="/",trailingSlash=path.substr(-1)==="/";path=PATH.normalizeArray(path.split("/").filter(function(p){return!!p}),!isAbsolute).join("/");if(!path&&!isAbsolute){path="."}if(path&&trailingSlash){path+="/"}return(isAbsolute?"/":"")+path},dirname:function(path){var result=PATH.splitPath(path),root=result[0],dir=result[1];if(!root&&!dir){return"."}if(dir){dir=dir.substr(0,dir.length-1)}return root+dir},basename:function(path){if(path==="/")return"/";var lastSlash=path.lastIndexOf("/");if(lastSlash===-1)return path;return path.substr(lastSlash+1)},extname:function(path){return PATH.splitPath(path)[3]},join:function(){var paths=Array.prototype.slice.call(arguments,0);return PATH.normalize(paths.join("/"))},join2:function(l,r){return PATH.normalize(l+"/"+r)}};var PATH_FS={resolve:function(){var resolvedPath="",resolvedAbsolute=false;for(var i=arguments.length-1;i>=-1&&!resolvedAbsolute;i--){var path=i>=0?arguments[i]:FS.cwd();if(typeof path!=="string"){throw new TypeError("Arguments to path.resolve must be strings")}else if(!path){return""}resolvedPath=path+"/"+resolvedPath;resolvedAbsolute=path.charAt(0)==="/"}resolvedPath=PATH.normalizeArray(resolvedPath.split("/").filter(function(p){return!!p}),!resolvedAbsolute).join("/");return(resolvedAbsolute?"/":"")+resolvedPath||"."},relative:function(from,to){from=PATH_FS.resolve(from).substr(1);to=PATH_FS.resolve(to).substr(1);function trim(arr){var start=0;for(;start<arr.length;start++){if(arr[start]!=="")break}var end=arr.length-1;for(;end>=0;end--){if(arr[end]!=="")break}if(start>end)return[];return arr.slice(start,end-start+1)}var fromParts=trim(from.split("/"));var toParts=trim(to.split("/"));var length=Math.min(fromParts.length,toParts.length);var samePartsLength=length;for(var i=0;i<length;i++){if(fromParts[i]!==toParts[i]){samePartsLength=i;break}}var outputParts=[];for(var i=samePartsLength;i<fromParts.length;i++){outputParts.push("..")}outputParts=outputParts.concat(toParts.slice(samePartsLength));return outputParts.join("/")}};var TTY={ttys:[],init:function(){},shutdown:function(){},register:function(dev,ops){TTY.ttys[dev]={input:[],output:[],ops:ops};FS.registerDevice(dev,TTY.stream_ops)},stream_ops:{open:function(stream){var tty=TTY.ttys[stream.node.rdev];if(!tty){throw new FS.ErrnoError(43)}stream.tty=tty;stream.seekable=false},close:function(stream){stream.tty.ops.flush(stream.tty)},flush:function(stream){stream.tty.ops.flush(stream.tty)},read:function(stream,buffer,offset,length,pos){if(!stream.tty||!stream.tty.ops.get_char){throw new FS.ErrnoError(60)}var bytesRead=0;for(var i=0;i<length;i++){var result;try{result=stream.tty.ops.get_char(stream.tty)}catch(e){throw new FS.ErrnoError(29)}if(result===undefined&&bytesRead===0){throw new FS.ErrnoError(6)}if(result===null||result===undefined)break;bytesRead++;buffer[offset+i]=result}if(bytesRead){stream.node.timestamp=Date.now()}return bytesRead},write:function(stream,buffer,offset,length,pos){if(!stream.tty||!stream.tty.ops.put_char){throw new FS.ErrnoError(60)}try{for(var i=0;i<length;i++){stream.tty.ops.put_char(stream.tty,buffer[offset+i])}}catch(e){throw new FS.ErrnoError(29)}if(length){stream.node.timestamp=Date.now()}return i}},default_tty_ops:{get_char:function(tty){if(!tty.input.length){var result=null;if(typeof window!="undefined"&&typeof window.prompt=="function"){result=window.prompt("Input: ");if(result!==null){result+="\n"}}else if(typeof readline=="function"){result=readline();if(result!==null){result+="\n"}}if(!result){return null}tty.input=intArrayFromString(result,true)}return tty.input.shift()},put_char:function(tty,val){if(val===null||val===10){out(UTF8ArrayToString(tty.output,0));tty.output=[]}else{if(val!=0)tty.output.push(val)}},flush:function(tty){if(tty.output&&tty.output.length>0){out(UTF8ArrayToString(tty.output,0));tty.output=[]}}},default_tty1_ops:{put_char:function(tty,val){if(val===null||val===10){err(UTF8ArrayToString(tty.output,0));tty.output=[]}else{if(val!=0)tty.output.push(val)}},flush:function(tty){if(tty.output&&tty.output.length>0){err(UTF8ArrayToString(tty.output,0));tty.output=[]}}}};var MEMFS={ops_table:null,mount:function(mount){return MEMFS.createNode(null,"/",16384|511,0)},createNode:function(parent,name,mode,dev){if(FS.isBlkdev(mode)||FS.isFIFO(mode)){throw new FS.ErrnoError(63)}if(!MEMFS.ops_table){MEMFS.ops_table={dir:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr,lookup:MEMFS.node_ops.lookup,mknod:MEMFS.node_ops.mknod,rename:MEMFS.node_ops.rename,unlink:MEMFS.node_ops.unlink,rmdir:MEMFS.node_ops.rmdir,readdir:MEMFS.node_ops.readdir,symlink:MEMFS.node_ops.symlink},stream:{llseek:MEMFS.stream_ops.llseek}},file:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr},stream:{llseek:MEMFS.stream_ops.llseek,read:MEMFS.stream_ops.read,write:MEMFS.stream_ops.write,allocate:MEMFS.stream_ops.allocate,mmap:MEMFS.stream_ops.mmap,msync:MEMFS.stream_ops.msync}},link:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr,readlink:MEMFS.node_ops.readlink},stream:{}},chrdev:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr},stream:FS.chrdev_stream_ops}}}var node=FS.createNode(parent,name,mode,dev);if(FS.isDir(node.mode)){node.node_ops=MEMFS.ops_table.dir.node;node.stream_ops=MEMFS.ops_table.dir.stream;node.contents={}}else if(FS.isFile(node.mode)){node.node_ops=MEMFS.ops_table.file.node;node.stream_ops=MEMFS.ops_table.file.stream;node.usedBytes=0;node.contents=null}else if(FS.isLink(node.mode)){node.node_ops=MEMFS.ops_table.link.node;node.stream_ops=MEMFS.ops_table.link.stream}else if(FS.isChrdev(node.mode)){node.node_ops=MEMFS.ops_table.chrdev.node;node.stream_ops=MEMFS.ops_table.chrdev.stream}node.timestamp=Date.now();if(parent){parent.contents[name]=node}return node},getFileDataAsRegularArray:function(node){if(node.contents&&node.contents.subarray){var arr=[];for(var i=0;i<node.usedBytes;++i)arr.push(node.contents[i]);return arr}return node.contents},getFileDataAsTypedArray:function(node){if(!node.contents)return new Uint8Array(0);if(node.contents.subarray)return node.contents.subarray(0,node.usedBytes);return new Uint8Array(node.contents)},expandFileStorage:function(node,newCapacity){var prevCapacity=node.contents?node.contents.length:0;if(prevCapacity>=newCapacity)return;var CAPACITY_DOUBLING_MAX=1024*1024;newCapacity=Math.max(newCapacity,prevCapacity*(prevCapacity<CAPACITY_DOUBLING_MAX?2:1.125)>>>0);if(prevCapacity!=0)newCapacity=Math.max(newCapacity,256);var oldContents=node.contents;node.contents=new Uint8Array(newCapacity);if(node.usedBytes>0)node.contents.set(oldContents.subarray(0,node.usedBytes),0);return},resizeFileStorage:function(node,newSize){if(node.usedBytes==newSize)return;if(newSize==0){node.contents=null;node.usedBytes=0;return}if(!node.contents||node.contents.subarray){var oldContents=node.contents;node.contents=new Uint8Array(newSize);if(oldContents){node.contents.set(oldContents.subarray(0,Math.min(newSize,node.usedBytes)))}node.usedBytes=newSize;return}if(!node.contents)node.contents=[];if(node.contents.length>newSize)node.contents.length=newSize;else while(node.contents.length<newSize)node.contents.push(0);node.usedBytes=newSize},node_ops:{getattr:function(node){var attr={};attr.dev=FS.isChrdev(node.mode)?node.id:1;attr.ino=node.id;attr.mode=node.mode;attr.nlink=1;attr.uid=0;attr.gid=0;attr.rdev=node.rdev;if(FS.isDir(node.mode)){attr.size=4096}else if(FS.isFile(node.mode)){attr.size=node.usedBytes}else if(FS.isLink(node.mode)){attr.size=node.link.length}else{attr.size=0}attr.atime=new Date(node.timestamp);attr.mtime=new Date(node.timestamp);attr.ctime=new Date(node.timestamp);attr.blksize=4096;attr.blocks=Math.ceil(attr.size/attr.blksize);return attr},setattr:function(node,attr){if(attr.mode!==undefined){node.mode=attr.mode}if(attr.timestamp!==undefined){node.timestamp=attr.timestamp}if(attr.size!==undefined){MEMFS.resizeFileStorage(node,attr.size)}},lookup:function(parent,name){throw FS.genericErrors[44]},mknod:function(parent,name,mode,dev){return MEMFS.createNode(parent,name,mode,dev)},rename:function(old_node,new_dir,new_name){if(FS.isDir(old_node.mode)){var new_node;try{new_node=FS.lookupNode(new_dir,new_name)}catch(e){}if(new_node){for(var i in new_node.contents){throw new FS.ErrnoError(55)}}}delete old_node.parent.contents[old_node.name];old_node.name=new_name;new_dir.contents[new_name]=old_node;old_node.parent=new_dir},unlink:function(parent,name){delete parent.contents[name]},rmdir:function(parent,name){var node=FS.lookupNode(parent,name);for(var i in node.contents){throw new FS.ErrnoError(55)}delete parent.contents[name]},readdir:function(node){var entries=[".",".."];for(var key in node.contents){if(!node.contents.hasOwnProperty(key)){continue}entries.push(key)}return entries},symlink:function(parent,newname,oldpath){var node=MEMFS.createNode(parent,newname,511|40960,0);node.link=oldpath;return node},readlink:function(node){if(!FS.isLink(node.mode)){throw new FS.ErrnoError(28)}return node.link}},stream_ops:{read:function(stream,buffer,offset,length,position){var contents=stream.node.contents;if(position>=stream.node.usedBytes)return 0;var size=Math.min(stream.node.usedBytes-position,length);assert(size>=0);if(size>8&&contents.subarray){buffer.set(contents.subarray(position,position+size),offset)}else{for(var i=0;i<size;i++)buffer[offset+i]=contents[position+i]}return size},write:function(stream,buffer,offset,length,position,canOwn){assert(!(buffer instanceof ArrayBuffer));if(buffer.buffer===HEAP8.buffer){if(canOwn){warnOnce("file packager has copied file data into memory, but in memory growth we are forced to copy it again (see --no-heap-copy)")}canOwn=false}if(!length)return 0;var node=stream.node;node.timestamp=Date.now();if(buffer.subarray&&(!node.contents||node.contents.subarray)){if(canOwn){assert(position===0,"canOwn must imply no weird position inside the file");node.contents=buffer.subarray(offset,offset+length);node.usedBytes=length;return length}else if(node.usedBytes===0&&position===0){node.contents=buffer.slice(offset,offset+length);node.usedBytes=length;return length}else if(position+length<=node.usedBytes){node.contents.set(buffer.subarray(offset,offset+length),position);return length}}MEMFS.expandFileStorage(node,position+length);if(node.contents.subarray&&buffer.subarray)node.contents.set(buffer.subarray(offset,offset+length),position);else{for(var i=0;i<length;i++){node.contents[position+i]=buffer[offset+i]}}node.usedBytes=Math.max(node.usedBytes,position+length);return length},llseek:function(stream,offset,whence){var position=offset;if(whence===1){position+=stream.position}else if(whence===2){if(FS.isFile(stream.node.mode)){position+=stream.node.usedBytes}}if(position<0){throw new FS.ErrnoError(28)}return position},allocate:function(stream,offset,length){MEMFS.expandFileStorage(stream.node,offset+length);stream.node.usedBytes=Math.max(stream.node.usedBytes,offset+length)},mmap:function(stream,address,length,position,prot,flags){assert(address===0);if(!FS.isFile(stream.node.mode)){throw new FS.ErrnoError(43)}var ptr;var allocated;var contents=stream.node.contents;if(!(flags&2)&&contents.buffer===buffer){allocated=false;ptr=contents.byteOffset}else{if(position>0||position+length<contents.length){if(contents.subarray){contents=contents.subarray(position,position+length)}else{contents=Array.prototype.slice.call(contents,positi