var Module=void 0!==Module?Module:{};!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.DecoderWorker=t():e.DecoderWorker=t()}("undefined"!=typeof self?self:this,(function(){return function(e){var t={};function r(n){if(t[n])return t[n].exports;var o=t[n]={i:n,l:!1,exports:{}};return e[n].call(o.exports,o,o.exports,r),o.l=!0,o.exports}return r.m=e,r.c=t,r.d=function(e,t,n){r.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:n})},r.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r.t=function(e,t){if(1&t&&(e=r(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var n=Object.create(null);if(r.r(n),Object.defineProperty(n,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var o in e)r.d(n,o,function(t){return e[t]}.bind(null,o));return n},r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,"a",t),t},r.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},r.p="",r(r.s=0)}([function(e,t,r){(function(t){var r,n,o=new Promise((function(e){n=e}));t.onmessage=function(e){o.then((function(){switch(e.data.command){case"decode":r&&r.decode(e.data.pages);break;case"done":r&&(r.sendLastBuffer(),t.close());break;case"init":r=new i(e.data,Module)}}))};var i=function(e,t){if(!t)throw new Error("Module with exports required to initialize a decoder instance");this.mainReady=o,this.config=Object.assign({bufferLength:4096,decoderSampleRate:48e3,outputBufferSampleRate:48e3,resampleQuality:3},e),this._opus_decoder_create=t._opus_decoder_create,this._opus_decoder_destroy=t._opus_decoder_destroy,this._speex_resampler_process_interleaved_float=t._speex_resampler_process_interleaved_float,this._speex_resampler_init=t._speex_resampler_init,this._speex_resampler_destroy=t._speex_resampler_destroy,this._opus_decode_float=t._opus_decode_float,this._free=t._free,this._malloc=t._malloc,this.HEAPU8=t.HEAPU8,this.HEAP32=t.HEAP32,this.HEAPF32=t.HEAPF32,this.outputBuffers=[]};i.prototype.decode=function(e){var t=new DataView(e.buffer);this.getPageBoundaries(t).map((function(r){var n=t.getUint8(r+5,!0),o=t.getUint32(r+18,!0);if(2&n&&(this.numberOfChannels=t.getUint8(r+37,!0),this.init()),o>1){for(var i=t.getUint8(r+26,!0),u=r+27+i,s=0;s<i;s++){var a=t.getUint8(r+27+s,!0);if(this.decoderBuffer.set(e.subarray(u,u+=a),this.decoderBufferIndex),this.decoderBufferIndex+=a,a<255){var d=this._opus_decode_float(this.decoder,this.decoderBufferPointer,this.decoderBufferIndex,this.decoderOutputPointer,this.decoderOutputMaxLength,0),l=Math.ceil(d*this.config.outputBufferSampleRate/this.config.decoderSampleRate);this.HEAP32[this.decoderOutputLengthPointer>>2]=d,this.HEAP32[this.resampleOutputLengthPointer>>2]=l,this._speex_resampler_process_interleaved_float(this.resampler,this.decoderOutputPointer,this.decoderOutputLengthPointer,this.resampleOutputBufferPointer,this.resampleOutputLengthPointer),this.sendToOutputBuffers(this.HEAPF32.subarray(this.resampleOutputBufferPointer>>2,(this.resampleOutputBufferPointer>>2)+l*this.numberOfChannels)),this.decoderBufferIndex=0}}4&n&&this.sendLastBuffer()}}),this)},i.prototype.getPageBoundaries=function(e){for(var t=[],r=0;r<e.byteLength-4;r++)1399285583==e.getUint32(r,!0)&&t.push(r);return t},i.prototype.init=function(){this.resetOutputBuffers(),this.initCodec(),this.initResampler()},i.prototype.initCodec=function(){this.decoder&&(this._opus_decoder_destroy(this.decoder),this._free(this.decoderBufferPointer),this._free(this.decoderOutputLengthPointer),this._free(this.decoderOutputPointer));var e=this._malloc(4);this.decoder=this._opus_decoder_create(this.config.decoderSampleRate,this.numberOfChannels,e),this._free(e),this.decoderBufferMaxLength=4e3,this.decoderBufferPointer=this._malloc(this.decoderBufferMaxLength),this.decoderBuffer=this.HEAPU8.subarray(this.decoderBufferPointer,this.decoderBufferPointer+this.decoderBufferMaxLength),this.decoderBufferIndex=0,this.decoderOutputLengthPointer=this._malloc(4),this.decoderOutputMaxLength=this.config.decoderSampleRate*this.numberOfChannels*120/1e3,this.decoderOutputPointer=this._malloc(4*this.decoderOutputMaxLength)},i.prototype.initResampler=function(){this.resampler&&(this._speex_resampler_destroy(this.resampler),this._free(this.resampleOutputLengthPointer),this._free(this.resampleOutputBufferPointer));var e=this._malloc(4);this.resampler=this._speex_resampler_init(this.numberOfChannels,this.config.decoderSampleRate,this.config.outputBufferSampleRate,this.config.resampleQuality,e),this._free(e),this.resampleOutputLengthPointer=this._malloc(4),this.resampleOutputMaxLength=Math.ceil(this.decoderOutputMaxLength*this.config.outputBufferSampleRate/this.config.decoderSampleRate),this.resampleOutputBufferPointer=this._malloc(4*this.resampleOutputMaxLength)},i.prototype.resetOutputBuffers=function(){this.outputBuffers=[],this.outputBufferArrayBuffers=[],this.outputBufferIndex=0;for(var e=0;e<this.numberOfChannels;e++)this.outputBuffers.push(new Float32Array(this.config.bufferLength)),this.outputBufferArrayBuffers.push(this.outputBuffers[e].buffer)},i.prototype.sendLastBuffer=function(){this.sendToOutputBuffers(new Float32Array((this.config.bufferLength-this.outputBufferIndex)*this.numberOfChannels)),t.postMessage(null)},i.prototype.sendToOutputBuffers=function(e){for(var r=0,n=e.length/this.numberOfChannels;r<n;){var o=Math.min(n-r,this.config.bufferLength-this.outputBufferIndex);if(1===this.numberOfChannels)this.outputBuffers[0].set(e.subarray(r,r+o),this.outputBufferIndex);else for(var i=0;i<o;i++)this.outputBuffers.forEach((function(t,n){t[this.outputBufferIndex+i]=e[(r+i)*this.numberOfChannels+n]}),this);r+=o,this.outputBufferIndex+=o,this.outputBufferIndex==this.config.bufferLength&&(t.postMessage(this.outputBuffers,this.outputBufferArrayBuffers),this.resetOutputBuffers())}},Module||(Module={}),Module.mainReady=o,Module.OggOpusDecoder=i,Module.onRuntimeInitialized=n,e.exports=Module}).call(this,r(1))},function(e,t){var r;r=function(){return this}();try{r=r||new Function("return this")()}catch(e){"object"==typeof window&&(r=window)}e.exports=r}])}));var key,moduleOverrides={};for(key in Module)Module.hasOwnProperty(key)&&(moduleOverrides[key]=Module[key]);var read_,readAsync,readBinary,setWindowTitle,nodeFS,nodePath,arguments_=[],thisProgram="./this.program",quit_=function(e,t){throw t},ENVIRONMENT_IS_WEB="object"==typeof window,ENVIRONMENT_IS_WORKER="function"==typeof importScripts,ENVIRONMENT_IS_NODE="object"==typeof process&&"object"==typeof process.versions&&"string"==typeof process.versions.node,scriptDirectory="";function locateFile(e){return Module.locateFile?Module.locateFile(e,scriptDirectory):scriptDirectory+e}function logExceptionOnExit(e){e instanceof ExitStatus||err("exiting due to exception: "+e)}ENVIRONMENT_IS_NODE?(scriptDirectory=ENVIRONMENT_IS_WORKER?require("path").dirname(scriptDirectory)+"/":__dirname+"/",read_=function(e,t){return nodeFS||(nodeFS=require("fs")),nodePath||(nodePath=require("path")),e=nodePath.normalize(e),nodeFS.readFileSync(e,t?null:"utf8")},readBinary=function(e){var t=read_(e,!0);return t.buffer||(t=new 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document&&document.currentScript&&(scriptDirectory=document.currentScript.src),scriptDirectory=0!==scriptDirectory.indexOf("blob:")?scriptDirectory.substr(0,scriptDirectory.replace(/[?#].*/,"").lastIndexOf("/")+1):"",read_=function(e){var t=new XMLHttpRequest;return t.open("GET",e,!1),t.send(null),t.responseText},ENVIRONMENT_IS_WORKER&&(readBinary=function(e){var t=new XMLHttpRequest;return t.open("GET",e,!1),t.responseType="arraybuffer",t.send(null),new Uint8Array(t.response)}),readAsync=function(e,t,r){var n=new XMLHttpRequest;n.open("GET",e,!0),n.responseType="arraybuffer",n.onload=function(){200==n.status||0==n.status&&n.response?t(n.response):r()},n.onerror=r,n.send(null)},setWindowTitle=function(e){document.title=e});var wasmBinary,out=Module.print||console.log.bind(console),err=Module.printErr||console.warn.bind(console);for(key in moduleOverrides)moduleOverrides.hasOwnProperty(key)&&(Module[key]=moduleOverrides[key]);moduleOverrides=null,Module.arguments&&(arguments_=Module.arguments),Module.thisProgram&&(thisProgram=Module.thisProgram),Module.quit&&(quit_=Module.quit),Module.wasmBinary&&(wasmBinary=Module.wasmBinary);var wasmMemory,noExitRuntime=Module.noExitRuntime||!0;"object"!=typeof WebAssembly&&abort("no native wasm support detected");var EXITSTATUS,ABORT=!1;function assert(e,t){e||abort("Assertion failed: "+t)}var buffer,HEAP8,HEAPU8,HEAP16,HEAPU16,HEAP32,HEAPU32,HEAPF32,HEAPF64,UTF8Decoder="undefined"!=typeof TextDecoder?new TextDecoder("utf8"):void 0;function UTF8ArrayToString(e,t,r){for(var n=t+r,o=t;e[o]&&!(o>=n);)++o;if(o-t>16&&e.subarray&&UTF8Decoder)return UTF8Decoder.decode(e.subarray(t,o));for(var i="";t<o;){var u=e[t++];if(128&u){var s=63&e[t++];if(192!=(224&u)){var a=63&e[t++];if((u=224==(240&u)?(15&u)<<12|s<<6|a:(7&u)<<18|s<<12|a<<6|63&e[t++])<65536)i+=String.fromCharCode(u);else{var d=u-65536;i+=String.fromCharCode(55296|d>>10,56320|1023&d)}}else i+=String.fromCharCode((31&u)<<6|s)}else i+=String.fromCharCode(u)}return i}function UTF8ToString(e,t){return e?UTF8ArrayToString(HEAPU8,e,t):""}function updateGlobalBufferAndViews(e){buffer=e,Module.HEAP8=HEAP8=new Int8Array(e),Module.HEAP16=HEAP16=new Int16Array(e),Module.HEAP32=HEAP32=new Int32Array(e),Module.HEAPU8=HEAPU8=new Uint8Array(e),Module.HEAPU16=HEAPU16=new Uint16Array(e),Module.HEAPU32=HEAPU32=new Uint32Array(e),Module.HEAPF32=HEAPF32=new Float32Array(e),Module.HEAPF64=HEAPF64=new Float64Array(e)}var wasmTable,INITIAL_MEMORY=Module.INITIAL_MEMORY||16777216,__ATPRERUN__=[],__ATINIT__=[],__ATPOSTRUN__=[],runtimeInitialized=!1,runtimeKeepaliveCounter=0;function keepRuntimeAlive(){return noExitRuntime||runtimeKeepaliveCounter>0}function preRun(){if(Module.preRun)for("function"==typeof Module.preRun&&(Module.preRun=[Module.preRun]);Module.preRun.length;)addOnPreRun(Module.preRun.shift());callRuntimeCallbacks(__ATPRERUN__)}function initRuntime(){runtimeInitialized=!0,callRuntimeCallbacks(__ATINIT__)}function postRun(){if(Module.postRun)for("function"==typeof Module.postRun&&(Module.postRun=[Module.postRun]);Module.postRun.length;)addOnPostRun(Module.postRun.shift());callRuntimeCallbacks(__ATPOSTRUN__)}function addOnPreRun(e){__ATPRERUN__.unshift(e)}function addOnInit(e){__ATINIT__.unshift(e)}function addOnPostRun(e){__ATPOSTRUN__.unshift(e)}var runDependencies=0,runDependencyWatcher=null,dependenciesFulfilled=null;function addRunDependency(e){runDependencies++,Module.monitorRunDependencies&&Module.monitorRunDependencies(runDependencies)}function removeRunDependency(e){if(runDependencies--,Module.monitorRunDependencies&&Module.monitorRunDependencies(runDependencies),0==runDependencies&&(null!==runDependencyWatcher&&(clearInterval(runDependencyWatcher),runDependencyWatcher=null),dependenciesFulfilled)){var t=dependenciesFulfilled;dependenciesFulfilled=null,t()}}function abort(e){throw Module.onAbort&&Module.onAbort(e),err(e="Aborted("+e+")"),ABORT=!0,EXITSTATUS=1,e+=". Build with -s ASSERTIONS=1 for more info.",new WebAssembly.RuntimeError(e)}Module.preloadedImages={},Module.preloadedAudios={};var wasmBinaryFile,dataURIPrefix="data:application/octet-stream;base64,";function isDataURI(e){return e.startsWith(dataURIPrefix)}function isFileURI(e){return e.startsWith("file://")}function getBinary(e){try{if(e==wasmBinaryFile&&wasmBinary)return new Uint8Array(wasmBinary);if(readBinary)return readBinary(e);throw"both async and sync fetching of the wasm failed"}catch(e){abort(e)}}function getBinaryPromise(){if(!wasmBinary&&(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER)){if("function"==typeof fetch&&!isFileURI(wasmBinaryFile))return fetch(wasmBinaryFile,{credentials:"same-origin"}).then((function(e){if(!e.ok)throw"failed to load wasm binary file at '"+wasmBinaryFile+"'";return e.arrayBuffer()})).catch((function(){return getBinary(wasmBinaryFile)}));if(readAsync)return new Promise((function(e,t){readAsync(wasmBinaryFile,(function(t){e(new Uint8Array(t))}),t)}))}return Promise.resolve().then((function(){return getBinary(wasmBinaryFile)}))}function createWasm(){var e={a:asmLibraryArg};function t(e,t){var r=e.exports;Module.asm=r,updateGlobalBufferAndViews((wasmMemory=Module.asm.g).buffer),wasmTable=Module.asm.q,addOnInit(Module.asm.h),removeRunDependency("wasm-instantiate")}function r(e){t(e.instance)}function n(t){return getBinaryPromise().then((function(t){return WebAssembly.instantiate(t,e)})).then((function(e){return e})).then(t,(function(e){err("failed to asynchronously prepare wasm: "+e),abort(e)}))}if(addRunDependency("wasm-instantiate"),Module.instantiateWasm)try{return Module.instantiateWasm(e,t)}catch(e){return err("Module.instantiateWasm callback failed with error: "+e),!1}return wasmBinary||"function"!=typeof WebAssembly.instantiateStreaming||isDataURI(wasmBinaryFile)||isFileURI(wasmBinaryFile)||"function"!=typeof fetch?n(r):fetch(wasmBinaryFile,{credentials:"same-origin"}).then((function(t){return WebAssembly.instantiateStreaming(t,e).then(r,(function(e){return err("wasm streaming compile failed: "+e),err("falling back to ArrayBuffer instantiation"),n(r)}))})),{}}function callRuntimeCallbacks(e){for(;e.length>0;){var t=e.shift();if("function"!=typeof t){var r=t.func;"number"==typeof r?void 0===t.arg?wasmTable.get(r)():wasmTable.get(r)(t.arg):r(void 0===t.arg?null:t.arg)}else t(Module)}}function _abort(){abort("")}function _emscripten_memcpy_big(e,t,r){HEAPU8.copyWithin(e,t,t+r)}function abortOnCannotGrowMemory(e){abort("OOM")}function _emscripten_resize_heap(e){HEAPU8.length;abortOnCannotGrowMemory(e>>>=0)}isDataURI(wasmBinaryFile="decoderWorker.min.wasm")||(wasmBinaryFile=locateFile(wasmBinaryFile));var SYSCALLS={mappings:{},buffers:[null,[],[]],printChar:function(e,t){var r=SYSCALLS.buffers[e];0===t||10===t?((1===e?out:err)(UTF8ArrayToString(r,0)),r.length=0):r.push(t)},varargs:void 0,get:function(){return SYSCALLS.varargs+=4,HEAP32[SYSCALLS.varargs-4>>2]},getStr:function(e){return UTF8ToString(e)},get64:function(e,t){return e}};function _fd_close(e){return 0}function _fd_seek(e,t,r,n,o){}function _fd_write(e,t,r,n){for(var o=0,i=0;i<r;i++){for(var u=HEAP32[t+8*i>>2],s=HEAP32[t+(8*i+4)>>2],a=0;a<s;a++)SYSCALLS.printChar(e,HEAPU8[u+a]);o+=s}return HEAP32[n>>2]=o,0}var calledRun,asmLibraryArg={c:_abort,e:_emscripten_memcpy_big,f:_emscripten_resize_heap,d:_fd_close,b:_fd_seek,a:_fd_write},asm=createWasm(),___wasm_call_ctors=Module.___wasm_call_ctors=function(){return(___wasm_call_ctors=Module.___wasm_call_ctors=Module.asm.h).apply(null,arguments)},_opus_decoder_create=Module._opus_decoder_create=function(){return(_opus_decoder_create=Module._opus_decoder_create=Module.asm.i).apply(null,arguments)},_opus_decode_float=Module._opus_decode_float=function(){return(_opus_decode_float=Module._opus_decode_float=Module.asm.j).apply(null,arguments)},_opus_decoder_destroy=Module._opus_decoder_destroy=function(){return(_opus_decoder_destroy=Module._opus_decoder_destroy=Module.asm.k).apply(null,arguments)},_speex_resampler_init=Module._speex_resampler_init=function(){return(_speex_resampler_init=Module._speex_resampler_init=Module.asm.l).apply(null,arguments)},_speex_resampler_destroy=Module._speex_resampler_destroy=function(){return(_speex_resampler_destroy=Module._speex_resampler_destroy=Module.asm.m).apply(null,arguments)},_speex_resampler_process_interleaved_float=Module._speex_resampler_process_interleaved_float=function(){return(_speex_resampler_process_interleaved_float=Module._speex_resampler_process_interleaved_float=Module.asm.n).apply(null,arguments)},_malloc=Module._malloc=function(){return(_malloc=Module._malloc=Module.asm.o).apply(null,arguments)},_free=Module._free=function(){return(_free=Module._free=Module.asm.p).apply(null,arguments)};function ExitStatus(e){this.name="ExitStatus",this.message="Program terminated with exit("+e+")",this.status=e}function run(e){function t(){calledRun||(calledRun=!0,Module.calledRun=!0,ABORT||(initRuntime(),Module.onRuntimeInitialized&&Module.onRuntimeInitialized(),postRun()))}e=e||arguments_,runDependencies>0||(preRun(),runDependencies>0||(Module.setStatus?(Module.setStatus("Running..."),setTimeout((function(){setTimeout((function(){Module.setStatus("")}),1),t()}),1)):t()))}if(dependenciesFulfilled=function e(){calledRun||run(),calledRun||(dependenciesFulfilled=e)},Module.run=run,Module.preInit)for("function"==typeof Module.preInit&&(Module.preInit=[Module.preInit]);Module.preInit.length>0;)Module.preInit.pop()();run();