opus-recorder - npm Package Compare versions

Comparing version 6.0.1 to 6.1.0

dist/encoderWorker.min.js

@@ -1,4 +0,4 @@
-var Module=typeof Module!=="undefined"?Module:{};!(function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.EncoderWorker=t():e.EncoderWorker=t()})("undefined"!=typeof self?self:this,(function(){return(function(e){var t={};function n(s){if(t[s])return t[s].exports;var i=t[s]={i:s,l:!1,exports:{}};return e[s].call(i.exports,i,i.exports,n),i.l=!0,i.exports}return n.m=e,n.c=t,n.d=(function(e,t,s){n.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:s})}),n.r=(function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})}),n.t=(function(e,t){if(1&t&&(e=n(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var s=Object.create(null);if(n.r(s),Object.defineProperty(s,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var i in e)n.d(s,i,(function(t){return e[t]}).bind(null,i));return s}),n.n=(function(e){var t=e&&e.__esModule?(function(){return e.default}):(function(){return e});return n.d(t,"a",t),t}),n.o=(function(e,t){return Object.prototype.hasOwnProperty.call(e,t)}),n.p="",n(n.s=0)})([(function(e,t,n){"use strict";((function(t){var n,s,i=new Promise((function(e){s=e}));t.onmessage=(function(e){i.then((function(){switch(e.data.command){case"encode":n&&n.encode(e.data.buffers);break;case"getHeaderPages":n&&(n.generateIdPage(),n.generateCommentPage());break;case"done":n&&(n.encodeFinalFrame(),t.postMessage({message:"done"}),t.close());break;case"init":n=new r(e.data,Module),t.postMessage({message:"ready"})}}))});var r=(function(e,t){if(!t)throw new Error("Module with exports required to initialize an encoder instance");this.config=Object.assign({bufferLength:4096,encoderApplication:2049,encoderFrameSize:20,encoderSampleRate:48e3,maxFramesPerPage:40,numberOfChannels:1,originalSampleRate:44100,resampleQuality:3,serial:Math.floor(4294967296*Math.random())},e),this._opus_encoder_create=t._opus_encoder_create,this._opus_encoder_ctl=t._opus_encoder_ctl,this._speex_resampler_process_interleaved_float=t._speex_resampler_process_interleaved_float,this._speex_resampler_init=t._speex_resampler_init,this._opus_encode_float=t._opus_encode_float,this._free=t._free,this._malloc=t._malloc,this.HEAPU8=t.HEAPU8,this.HEAP32=t.HEAP32,this.HEAPF32=t.HEAPF32,this.pageIndex=0,this.granulePosition=0,this.segmentData=new Uint8Array(65025),this.segmentDataIndex=0,this.segmentTable=new Uint8Array(255),this.segmentTableIndex=0,this.framesInPage=0,this.initChecksumTable(),this.initCodec(),this.initResampler(),1===this.config.numberOfChannels?this.interleave=(function(e){return e[0]}):this.interleavedBuffers=new Float32Array(this.config.bufferLength*this.config.numberOfChannels)});r.prototype.encode=(function(e){for(var t=this.interleave(e),n=0;n<t.length;){var s=Math.min(this.resampleBufferLength-this.resampleBufferIndex,t.length-n);if(this.resampleBuffer.set(t.subarray(n,n+s),this.resampleBufferIndex),n+=s,this.resampleBufferIndex+=s,this.resampleBufferIndex===this.resampleBufferLength){this._speex_resampler_process_interleaved_float(this.resampler,this.resampleBufferPointer,this.resampleSamplesPerChannelPointer,this.encoderBufferPointer,this.encoderSamplesPerChannelPointer);var i=this._opus_encode_float(this.encoder,this.encoderBufferPointer,this.encoderSamplesPerChannel,this.encoderOutputPointer,this.encoderOutputMaxLength);this.segmentPacket(i),this.resampleBufferIndex=0,this.framesInPage++,this.framesInPage>=this.config.maxFramesPerPage&&this.generatePage()}}}),r.prototype.encodeFinalFrame=(function(){for(var e=[],t=0;t<this.config.numberOfChannels;++t)e.push(new Float32Array(this.config.bufferLength-this.resampleBufferIndex/this.config.numberOfChannels));this.encode(e),this.headerType+=4,this.generatePage()}),r.prototype.getChecksum=(function(e){for(var t=0,n=0;n<e.length;n++)t=t<<8^this.checksumTable[t>>>24&255^e[n]];return t>>>0}),r.prototype.generateCommentPage=(function(){var e=new DataView(this.segmentData.buffer);e.setUint32(0,1937076303,!0),e.setUint32(4,1936154964,!0),e.setUint32(8,10,!0),e.setUint32(12,1868784978,!0),e.setUint32(16,1919247474,!0),e.setUint16(20,21322,!0),e.setUint32(22,0,!0),this.segmentTableIndex=1,this.segmentDataIndex=this.segmentTable[0]=26,this.headerType=0,this.generatePage()}),r.prototype.generateIdPage=(function(){var e=new DataView(this.segmentData.buffer);e.setUint32(0,1937076303,!0),e.setUint32(4,1684104520,!0),e.setUint8(8,1,!0),e.setUint8(9,this.config.numberOfChannels,!0),e.setUint16(10,3840,!0),e.setUint32(12,this.config.originalSampleRateOverride||this.config.originalSampleRate,!0),e.setUint16(16,0,!0),e.setUint8(18,0,!0),this.segmentTableIndex=1,this.segmentDataIndex=this.segmentTable[0]=19,this.headerType=2,this.generatePage()}),r.prototype.generatePage=(function(){var e=this.lastPositiveGranulePosition===this.granulePosition?-1:this.granulePosition,n=new ArrayBuffer(27+this.segmentTableIndex+this.segmentDataIndex),s=new DataView(n),i=new Uint8Array(n);s.setUint32(0,1399285583,!0),s.setUint8(4,0,!0),s.setUint8(5,this.headerType,!0),s.setUint32(6,e,!0),e<0?s.setInt32(10,Math.ceil(e/4294967297)-1,!0):s.setInt32(10,Math.floor(e/4294967296),!0),s.setUint32(14,this.config.serial,!0),s.setUint32(18,this.pageIndex++,!0),s.setUint8(26,this.segmentTableIndex,!0),i.set(this.segmentTable.subarray(0,this.segmentTableIndex),27),i.set(this.segmentData.subarray(0,this.segmentDataIndex),27+this.segmentTableIndex),s.setUint32(22,this.getChecksum(i),!0),t.postMessage({message:"page",page:i},[i.buffer]),this.segmentTableIndex=0,this.segmentDataIndex=0,this.framesInPage=0,e>0&&(this.lastPositiveGranulePosition=e)}),r.prototype.initChecksumTable=(function(){this.checksumTable=[];for(var e=0;e<256;e++){for(var t=e<<24,n=0;n<8;n++)t=0!=(2147483648&t)?t<<1^79764919:t<<1;this.checksumTable[e]=4294967295&t}}),r.prototype.setOpusControl=(function(e,t){var n=this._malloc(4);this.HEAP32[n>>2]=t,this._opus_encoder_ctl(this.encoder,e,n),this._free(n)}),r.prototype.initCodec=(function(){var e=this._malloc(4);this.encoder=this._opus_encoder_create(this.config.encoderSampleRate,this.config.numberOfChannels,this.config.encoderApplication,e),this._free(e),this.config.encoderBitRate&&this.setOpusControl(4002,this.config.encoderBitRate),this.config.encoderComplexity&&this.setOpusControl(4010,this.config.encoderComplexity),this.encoderSamplesPerChannel=this.config.encoderSampleRate*this.config.encoderFrameSize/1e3,this.encoderSamplesPerChannelPointer=this._malloc(4),this.HEAP32[this.encoderSamplesPerChannelPointer>>2]=this.encoderSamplesPerChannel,this.encoderBufferLength=this.encoderSamplesPerChannel*this.config.numberOfChannels,this.encoderBufferPointer=this._malloc(4*this.encoderBufferLength),this.encoderBuffer=this.HEAPF32.subarray(this.encoderBufferPointer>>2,(this.encoderBufferPointer>>2)+this.encoderBufferLength),this.encoderOutputMaxLength=4e3,this.encoderOutputPointer=this._malloc(this.encoderOutputMaxLength),this.encoderOutputBuffer=this.HEAPU8.subarray(this.encoderOutputPointer,this.encoderOutputPointer+this.encoderOutputMaxLength)}),r.prototype.initResampler=(function(){var e=this._malloc(4);this.resampler=this._speex_resampler_init(this.config.numberOfChannels,this.config.originalSampleRate,this.config.encoderSampleRate,this.config.resampleQuality,e),this._free(e),this.resampleBufferIndex=0,this.resampleSamplesPerChannel=this.config.originalSampleRate*this.config.encoderFrameSize/1e3,this.resampleSamplesPerChannelPointer=this._malloc(4),this.HEAP32[this.resampleSamplesPerChannelPointer>>2]=this.resampleSamplesPerChannel,this.resampleBufferLength=this.resampleSamplesPerChannel*this.config.numberOfChannels,this.resampleBufferPointer=this._malloc(4*this.resampleBufferLength),this.resampleBuffer=this.HEAPF32.subarray(this.resampleBufferPointer>>2,(this.resampleBufferPointer>>2)+this.resampleBufferLength)}),r.prototype.interleave=(function(e){for(var t=0;t<this.config.bufferLength;t++)for(var n=0;n<this.config.numberOfChannels;n++)this.interleavedBuffers[t*this.config.numberOfChannels+n]=e[n][t];return this.interleavedBuffers}),r.prototype.segmentPacket=(function(e){for(var t=0;e>=0;){255===this.segmentTableIndex&&(this.generatePage(),this.headerType=1);var n=Math.min(e,255);this.segmentTable[this.segmentTableIndex++]=n,this.segmentData.set(this.encoderOutputBuffer.subarray(t,t+n),this.segmentDataIndex),this.segmentDataIndex+=n,t+=n,e-=255}this.granulePosition+=48*this.config.encoderFrameSize,255===this.segmentTableIndex&&(this.generatePage(),this.headerType=0)}),Module||(Module={}),Module.mainReady=i,Module.OggOpusEncoder=r,Module.onRuntimeInitialized=s,e.exports=Module})).call(this,n(1))}),(function(e,t){var n;n=(function(){return this})();try{n=n||(new Function("return this"))()}catch(e){"object"==typeof window&&(n=window)}e.exports=n})])}));var moduleOverrides={};var key;for(key in Module){if(Module.hasOwnProperty(key)){moduleOverrides[key]=Module[key]}}Module["arguments"]=[];Module["thisProgram"]="./this.program";Module["quit"]=(function(status,toThrow){throw toThrow});Module["preRun"]=[];Module["postRun"]=[];var ENVIRONMENT_IS_WEB=false;var ENVIRONMENT_IS_WORKER=false;var ENVIRONMENT_IS_NODE=false;var ENVIRONMENT_IS_SHELL=false;ENVIRONMENT_IS_WEB=typeof window==="object";ENVIRONMENT_IS_WORKER=typeof importScripts==="function";ENVIRONMENT_IS_NODE=typeof process==="object"&&typeof require==="function"&&!ENVIRONMENT_IS_WEB&&!ENVIRONMENT_IS_WORKER;ENVIRONMENT_IS_SHELL=!ENVIRONMENT_IS_WEB&&!ENVIRONMENT_IS_NODE&&!ENVIRONMENT_IS_WORKER;var scriptDirectory="";function locateFile(path){if(Module["locateFile"]){return Module["locateFile"](path,scriptDirectory)}else{return scriptDirectory+path}}if(ENVIRONMENT_IS_NODE){scriptDirectory=__dirname+"/";var nodeFS;var nodePath;Module["read"]=function shell_read(filename,binary){var ret;if(!nodeFS)nodeFS=require("fs");if(!nodePath)nodePath=require("path");filename=nodePath["normalize"](filename);ret=nodeFS["readFileSync"](filename);return binary?ret:ret.toString()};Module["readBinary"]=function 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EXITSTATUS=0;function assert(condition,text){if(!condition){abort("Assertion failed: "+text)}}function Pointer_stringify(ptr,length){if(length===0||!ptr)return"";var hasUtf=0;var t;var i=0;while(1){t=HEAPU8[ptr+i>>0];hasUtf|=t;if(t==0&&!length)break;i++;if(length&&i==length)break}if(!length)length=i;var ret="";if(hasUtf<128){var MAX_CHUNK=1024;var curr;while(length>0){curr=String.fromCharCode.apply(String,HEAPU8.subarray(ptr,ptr+Math.min(length,MAX_CHUNK)));ret=ret?ret+curr:curr;ptr+=MAX_CHUNK;length-=MAX_CHUNK}return ret}return UTF8ToString(ptr)}var UTF8Decoder=typeof TextDecoder!=="undefined"?new TextDecoder("utf8"):undefined;function UTF8ArrayToString(u8Array,idx){var endPtr=idx;while(u8Array[endPtr])++endPtr;if(endPtr-idx>16&&u8Array.subarray&&UTF8Decoder){return UTF8Decoder.decode(u8Array.subarray(idx,endPtr))}else{var u0,u1,u2,u3,u4,u5;var str="";while(1){u0=u8Array[idx++];if(!u0)return str;if(!(u0&128)){str+=String.fromCharCode(u0);continue}u1=u8Array[idx++]&63;if((u0&224)==192){str+=String.fromCharCode((u0&31)<<6|u1);continue}u2=u8Array[idx++]&63;if((u0&240)==224){u0=(u0&15)<<12|u1<<6|u2}else{u3=u8Array[idx++]&63;if((u0&248)==240){u0=(u0&7)<<18|u1<<12|u2<<6|u3}else{u4=u8Array[idx++]&63;if((u0&252)==248){u0=(u0&3)<<24|u1<<18|u2<<12|u3<<6|u4}else{u5=u8Array[idx++]&63;u0=(u0&1)<<30|u1<<24|u2<<18|u3<<12|u4<<6|u5}}}if(u0<65536){str+=String.fromCharCode(u0)}else{var ch=u0-65536;str+=String.fromCharCode(55296|ch>>10,56320|ch&1023)}}}}function UTF8ToString(ptr){return UTF8ArrayToString(HEAPU8,ptr)}var UTF16Decoder=typeof TextDecoder!=="undefined"?new TextDecoder("utf-16le"):undefined;var WASM_PAGE_SIZE=65536;var ASMJS_PAGE_SIZE=16777216;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 updateGlobalBuffer(buf){Module["buffer"]=buffer=buf}function updateGlobalBufferViews(){Module["HEAP8"]=HEAP8=new Int8Array(buffer);Module["HEAP16"]=HEAP16=new Int16Array(buffer);Module["HEAP32"]=HEAP32=new Int32Array(buffer);Module["HEAPU8"]=HEAPU8=new Uint8Array(buffer);Module["HEAPU16"]=HEAPU16=new Uint16Array(buffer);Module["HEAPU32"]=HEAPU32=new Uint32Array(buffer);Module["HEAPF32"]=HEAPF32=new Float32Array(buffer);Module["HEAPF64"]=HEAPF64=new Float64Array(buffer)}var STATIC_BASE,STATICTOP,staticSealed;var STACK_BASE,STACKTOP,STACK_MAX;var DYNAMIC_BASE,DYNAMICTOP_PTR;STATIC_BASE=STATICTOP=STACK_BASE=STACKTOP=STACK_MAX=DYNAMIC_BASE=DYNAMICTOP_PTR=0;staticSealed=false;function abortOnCannotGrowMemory(){abort("Cannot enlarge memory arrays. Either (1) compile with  -s TOTAL_MEMORY=X  with X higher than the current value "+TOTAL_MEMORY+", (2) compile with  -s ALLOW_MEMORY_GROWTH=1  which allows increasing the size at runtime, or (3) if you want malloc to return NULL (0) instead of this abort, compile with  -s ABORTING_MALLOC=0 ")}function enlargeMemory(){abortOnCannotGrowMemory()}var TOTAL_STACK=Module["TOTAL_STACK"]||5242880;var TOTAL_MEMORY=Module["TOTAL_MEMORY"]||16777216;if(TOTAL_MEMORY<TOTAL_STACK)err("TOTAL_MEMORY should be larger than TOTAL_STACK, was "+TOTAL_MEMORY+"! 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removeRunDependency(id){runDependencies--;if(Module["monitorRunDependencies"]){Module["monitorRunDependencies"](runDependencies)}if(runDependencies==0){if(runDependencyWatcher!==null){clearInterval(runDependencyWatcher);runDependencyWatcher=null}if(dependenciesFulfilled){var callback=dependenciesFulfilled;dependenciesFulfilled=null;callback()}}}Module["preloadedImages"]={};Module["preloadedAudios"]={};var dataURIPrefix="data:application/octet-stream;base64,";function isDataURI(filename){return String.prototype.startsWith?filename.startsWith(dataURIPrefix):filename.indexOf(dataURIPrefix)===0}function integrateWasmJS(){var wasmTextFile="encoderWorker.min.wast";var wasmBinaryFile="encoderWorker.min.wasm";var asmjsCodeFile="encoderWorker.min.temp.asm.js";if(!isDataURI(wasmTextFile)){wasmTextFile=locateFile(wasmTextFile)}if(!isDataURI(wasmBinaryFile)){wasmBinaryFile=locateFile(wasmBinaryFile)}if(!isDataURI(asmjsCodeFile)){asmjsCodeFile=locateFile(asmjsCodeFile)}var wasmPageSize=64*1024;var info={"global":null,"env":null,"asm2wasm":asm2wasmImports,"parent":Module};var exports=null;function mergeMemory(newBuffer){var oldBuffer=Module["buffer"];if(newBuffer.byteLength<oldBuffer.byteLength){err("the new buffer in mergeMemory is smaller than the previous one. in native wasm, we should grow memory here")}var oldView=new Int8Array(oldBuffer);var newView=new Int8Array(newBuffer);newView.set(oldView);updateGlobalBuffer(newBuffer);updateGlobalBufferViews()}function getBinary(){try{if(Module["wasmBinary"]){return new Uint8Array(Module["wasmBinary"])}if(Module["readBinary"]){return Module["readBinary"](wasmBinaryFile)}else{throw"both async and sync fetching of the wasm failed"}}catch(err){abort(err)}}function getBinaryPromise(){if(!Module["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 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receiveInstantiatedSource(output){receiveInstance(output["instance"],output["module"])}function instantiateArrayBuffer(receiver){getBinaryPromise().then((function(binary){return WebAssembly.instantiate(binary,info)})).then(receiver,(function(reason){err("failed to asynchronously prepare wasm: "+reason);abort(reason)}))}if(!Module["wasmBinary"]&&typeof WebAssembly.instantiateStreaming==="function"&&!isDataURI(wasmBinaryFile)&&typeof fetch==="function"){WebAssembly.instantiateStreaming(fetch(wasmBinaryFile,{credentials:"same-origin"}),info).then(receiveInstantiatedSource,(function(reason){err("wasm streaming compile failed: "+reason);err("falling back to ArrayBuffer instantiation");instantiateArrayBuffer(receiveInstantiatedSource)}))}else{instantiateArrayBuffer(receiveInstantiatedSource)}return{}}Module["asmPreload"]=Module["asm"];var asmjsReallocBuffer=Module["reallocBuffer"];var wasmReallocBuffer=(function(size){var PAGE_MULTIPLE=Module["usingWasm"]?WASM_PAGE_SIZE:ASMJS_PAGE_SIZE;size=alignUp(size,PAGE_MULTIPLE);var old=Module["buffer"];var oldSize=old.byteLength;if(Module["usingWasm"]){try{var result=Module["wasmMemory"].grow((size-oldSize)/wasmPageSize);if(result!==(-1|0)){return Module["buffer"]=Module["wasmMemory"].buffer}else{return null}}catch(e){return null}}});Module["reallocBuffer"]=(function(size){if(finalMethod==="asmjs"){return asmjsReallocBuffer(size)}else{return wasmReallocBuffer(size)}});var finalMethod="";Module["asm"]=(function(global,env,providedBuffer){if(!env["table"]){var TABLE_SIZE=Module["wasmTableSize"];if(TABLE_SIZE===undefined)TABLE_SIZE=1024;var MAX_TABLE_SIZE=Module["wasmMaxTableSize"];if(typeof WebAssembly==="object"&&typeof WebAssembly.Table==="function"){if(MAX_TABLE_SIZE!==undefined){env["table"]=new WebAssembly.Table({"initial":TABLE_SIZE,"maximum":MAX_TABLE_SIZE,"element":"anyfunc"})}else{env["table"]=new WebAssembly.Table({"initial":TABLE_SIZE,element:"anyfunc"})}}else{env["table"]=new Array(TABLE_SIZE)}Module["wasmTable"]=env["table"]}if(!env["__memory_base"]){env["__memory_base"]=Module["STATIC_BASE"]}if(!env["__table_base"]){env["__table_base"]=0}var exports;exports=doNativeWasm(global,env,providedBuffer);assert(exports,"no binaryen method succeeded.");return exports})}integrateWasmJS();STATIC_BASE=GLOBAL_BASE;STATICTOP=STATIC_BASE+48032;__ATINIT__.push();var STATIC_BUMP=48032;Module["STATIC_BASE"]=STATIC_BASE;Module["STATIC_BUMP"]=STATIC_BUMP;STATICTOP+=16;var SYSCALLS={buffers:[null,[],[]],printChar:(function(stream,curr){var buffer=SYSCALLS.buffers[stream];assert(buffer);if(curr===0||curr===10){(stream===1?out:err)(UTF8ArrayToString(buffer,0));buffer.length=0}else{buffer.push(curr)}}),varargs:0,get:(function(varargs){SYSCALLS.varargs+=4;var ret=HEAP32[SYSCALLS.varargs-4>>2];return ret}),getStr:(function(){var ret=Pointer_stringify(SYSCALLS.get());return ret}),get64:(function(){var low=SYSCALLS.get(),high=SYSCALLS.get();if(low>=0)assert(high===0);else assert(high===-1);return low}),getZero:(function(){assert(SYSCALLS.get()===0)})};function ___syscall140(which,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD(),offset_high=SYSCALLS.get(),offset_low=SYSCALLS.get(),result=SYSCALLS.get(),whence=SYSCALLS.get();var offset=offset_low;FS.llseek(stream,offset,whence);HEAP32[result>>2]=stream.position;if(stream.getdents&&offset===0&&whence===0)stream.getdents=null;return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___syscall146(which,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.get(),iov=SYSCALLS.get(),iovcnt=SYSCALLS.get();var ret=0;for(var i=0;i<iovcnt;i++){var ptr=HEAP32[iov+i*8>>2];var len=HEAP32[iov+(i*8+4)>>2];for(var j=0;j<len;j++){SYSCALLS.printChar(stream,HEAPU8[ptr+j])}ret+=len}return ret}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___syscall6(which,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD();FS.close(stream);return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function _abort(){Module["abort"]()}var _llvm_cos_f64=Math_cos;function _llvm_exp2_f32(x){return Math.pow(2,x)}function _llvm_exp2_f64(){return _llvm_exp2_f32.apply(null,arguments)}function _llvm_log10_f32(x){return Math.log(x)/Math.LN10}function _llvm_log10_f64(){return _llvm_log10_f32.apply(null,arguments)}var _llvm_sin_f64=Math_sin;function _llvm_stackrestore(p){var self=_llvm_stacksave;var ret=self.LLVM_SAVEDSTACKS[p];self.LLVM_SAVEDSTACKS.splice(p,1);stackRestore(ret)}function _llvm_stacksave(){var self=_llvm_stacksave;if(!self.LLVM_SAVEDSTACKS){self.LLVM_SAVEDSTACKS=[]}self.LLVM_SAVEDSTACKS.push(stackSave());return self.LLVM_SAVEDSTACKS.length-1}function _emscripten_memcpy_big(dest,src,num){HEAPU8.set(HEAPU8.subarray(src,src+num),dest);return dest}function ___setErrNo(value){if(Module["___errno_location"])HEAP32[Module["___errno_location"]()>>2]=value;return value}DYNAMICTOP_PTR=staticAlloc(4);STACK_BASE=STACKTOP=alignMemory(STATICTOP);STACK_MAX=STACK_BASE+TOTAL_STACK;DYNAMIC_BASE=alignMemory(STACK_MAX);HEAP32[DYNAMICTOP_PTR>>2]=DYNAMIC_BASE;staticSealed=true;Module["wasmTableSize"]=16;Module["wasmMaxTableSize"]=16;Module.asmGlobalArg={};Module.asmLibraryArg={"e":abort,"o":enlargeMemory,"n":getTotalMemory,"m":abortOnCannotGrowMemory,"i":___setErrNo,"l":___syscall140,"h":___syscall146,"k":___syscall6,"r":_abort,"q":_emscripten_memcpy_big,"j":_llvm_cos_f64,"g":_llvm_exp2_f64,"f":_llvm_log10_f64,"p":_llvm_sin_f64,"c":_llvm_stackrestore,"d":_llvm_stacksave,"a":DYNAMICTOP_PTR,"b":STACKTOP};var asm=Module["asm"](Module.asmGlobalArg,Module.asmLibraryArg,buffer);Module["asm"]=asm;var _free=Module["_free"]=(function(){return Module["asm"]["s"].apply(null,arguments)});var _malloc=Module["_malloc"]=(function(){return Module["asm"]["t"].apply(null,arguments)});var _opus_encode_float=Module["_opus_encode_float"]=(function(){return Module["asm"]["u"].apply(null,arguments)});var _opus_encoder_create=Module["_opus_encoder_create"]=(function(){return Module["asm"]["v"].apply(null,arguments)});var _opus_encoder_ctl=Module["_opus_encoder_ctl"]=(function(){return Module["asm"]["w"].apply(null,arguments)});var _speex_resampler_destroy=Module["_speex_resampler_destroy"]=(function(){return Module["asm"]["x"].apply(null,arguments)});var _speex_resampler_init=Module["_speex_resampler_init"]=(function(){return Module["asm"]["y"].apply(null,arguments)});var _speex_resampler_process_interleaved_float=Module["_speex_resampler_process_interleaved_float"]=(function(){return Module["asm"]["z"].apply(null,arguments)});var stackRestore=Module["stackRestore"]=(function(){return Module["asm"]["A"].apply(null,arguments)});var stackSave=Module["stackSave"]=(function(){return Module["asm"]["B"].apply(null,arguments)});Module["asm"]=asm;function ExitStatus(status){this.name="ExitStatus";this.message="Program terminated with exit("+status+")";this.status=status}ExitStatus.prototype=new Error;ExitStatus.prototype.constructor=ExitStatus;dependenciesFulfilled=function runCaller(){if(!Module["calledRun"])run();if(!Module["calledRun"])dependenciesFulfilled=runCaller};function run(args){args=args||Module["arguments"];if(runDependencies>0){return}preRun();if(runDependencies>0)return;if(Module["calledRun"])return;function doRun(){if(Module["calledRun"])return;Module["calledRun"]=true;if(ABORT)return;ensureInitRuntime();preMain();if(Module["onRuntimeInitialized"])Module["onRuntimeInitialized"]();postRun()}if(Module["setStatus"]){Module["setStatus"]("Running...");setTimeout((function(){setTimeout((function(){Module["setStatus"]("")}),1);doRun()}),1)}else{doRun()}}Module["run"]=run;function abort(what){if(Module["onAbort"]){Module["onAbort"](what)}if(what!==undefined){out(what);err(what);what=JSON.stringify(what)}else{what=""}ABORT=true;EXITSTATUS=1;throw"abort("+what+"). Build with -s ASSERTIONS=1 for more info."}Module["abort"]=abort;if(Module["preInit"]){if(typeof Module["preInit"]=="function")Module["preInit"]=[Module["preInit"]];while(Module["preInit"].length>0){Module["preInit"].pop()()}}Module["noExitRuntime"]=true;run()
+var Module=typeof Module!=="undefined"?Module:{};!(function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.EncoderWorker=t():e.EncoderWorker=t()})("undefined"!=typeof self?self:this,(function(){return(function(e){var t={};function n(s){if(t[s])return t[s].exports;var r=t[s]={i:s,l:!1,exports:{}};return e[s].call(r.exports,r,r.exports,n),r.l=!0,r.exports}return n.m=e,n.c=t,n.d=(function(e,t,s){n.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:s})}),n.r=(function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})}),n.t=(function(e,t){if(1&t&&(e=n(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var s=Object.create(null);if(n.r(s),Object.defineProperty(s,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var r in e)n.d(s,r,(function(t){return e[t]}).bind(null,r));return s}),n.n=(function(e){var t=e&&e.__esModule?(function(){return e.default}):(function(){return e});return n.d(t,"a",t),t}),n.o=(function(e,t){return Object.prototype.hasOwnProperty.call(e,t)}),n.p="",n(n.s=0)})([(function(e,t,n){"use strict";((function(t){var n,s,r=new Promise((function(e){s=e}));t.onmessage=(function(e){r.then((function(){switch(e.data.command){case"encode":n&&n.encode(e.data.buffers);break;case"getHeaderPages":n&&(n.generateIdPage(),n.generateCommentPage());break;case"done":n&&(n.encodeFinalFrame(),t.postMessage({message:"done"}));break;case"close":t.close();break;case"flush":n&&n.flush();break;case"init":n&&n.destroy(),n=new i(e.data,Module),t.postMessage({message:"ready"})}}))});var i=(function(e,t){if(!t)throw new Error("Module with exports required to initialize an encoder instance");this.config=Object.assign({bufferLength:4096,encoderApplication:2049,encoderFrameSize:20,encoderSampleRate:48e3,maxFramesPerPage:40,numberOfChannels:1,originalSampleRate:44100,resampleQuality:3,serial:Math.floor(4294967296*Math.random())},e),this._opus_encoder_create=t._opus_encoder_create,this._opus_encoder_destroy=t._opus_encoder_destroy,this._opus_encoder_ctl=t._opus_encoder_ctl,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_encode_float=t._opus_encode_float,this._free=t._free,this._malloc=t._malloc,this.HEAPU8=t.HEAPU8,this.HEAP32=t.HEAP32,this.HEAPF32=t.HEAPF32,this.pageIndex=0,this.granulePosition=0,this.segmentData=new Uint8Array(65025),this.segmentDataIndex=0,this.segmentTable=new Uint8Array(255),this.segmentTableIndex=0,this.framesInPage=0,this.initChecksumTable(),this.initCodec(),this.initResampler(),1===this.config.numberOfChannels?this.interleave=(function(e){return e[0]}):this.interleavedBuffers=new Float32Array(this.config.bufferLength*this.config.numberOfChannels)});i.prototype.encode=(function(e){for(var t=this.interleave(e),n=0;n<t.length;){var s=Math.min(this.resampleBufferLength-this.resampleBufferIndex,t.length-n);if(this.resampleBuffer.set(t.subarray(n,n+s),this.resampleBufferIndex),n+=s,this.resampleBufferIndex+=s,this.resampleBufferIndex===this.resampleBufferLength){this._speex_resampler_process_interleaved_float(this.resampler,this.resampleBufferPointer,this.resampleSamplesPerChannelPointer,this.encoderBufferPointer,this.encoderSamplesPerChannelPointer);var r=this._opus_encode_float(this.encoder,this.encoderBufferPointer,this.encoderSamplesPerChannel,this.encoderOutputPointer,this.encoderOutputMaxLength);this.segmentPacket(r),this.resampleBufferIndex=0,this.framesInPage++,this.framesInPage>=this.config.maxFramesPerPage&&this.generatePage()}}}),i.prototype.destroy=(function(){this.encoder&&(this._free(this.encoderSamplesPerChannelPointer),delete this.encoderSamplesPerChannelPointer,this._free(this.encoderBufferPointer),delete this.encoderBufferPointer,this._free(this.encoderOutputPointer),delete this.encoderOutputPointer,this._free(this.resampleSamplesPerChannelPointer),delete this.resampleSamplesPerChannelPointer,this._free(this.resampleBufferPointer),delete this.resampleBufferPointer,this._speex_resampler_destroy(this.resampler),delete this.resampler,this._opus_encoder_destroy(this.encoder),delete this.encoder)}),i.prototype.flush=(function(){this.framesInPage&&this.generatePage(),this.resampleBufferIndex=0,t.postMessage({message:"flushed"})}),i.prototype.encodeFinalFrame=(function(){if(this.resampleBufferIndex>0){for(var e=[],t=0;t<this.config.numberOfChannels;++t)e.push(new Float32Array(this.config.bufferLength-this.resampleBufferIndex/this.config.numberOfChannels));this.encode(e)}this.headerType+=4,this.generatePage()}),i.prototype.getChecksum=(function(e){for(var t=0,n=0;n<e.length;n++)t=t<<8^this.checksumTable[t>>>24&255^e[n]];return t>>>0}),i.prototype.generateCommentPage=(function(){var e=new DataView(this.segmentData.buffer);e.setUint32(0,1937076303,!0),e.setUint32(4,1936154964,!0),e.setUint32(8,10,!0),e.setUint32(12,1868784978,!0),e.setUint32(16,1919247474,!0),e.setUint16(20,21322,!0),e.setUint32(22,0,!0),this.segmentTableIndex=1,this.segmentDataIndex=this.segmentTable[0]=26,this.headerType=0,this.generatePage()}),i.prototype.generateIdPage=(function(){var e=new DataView(this.segmentData.buffer);e.setUint32(0,1937076303,!0),e.setUint32(4,1684104520,!0),e.setUint8(8,1,!0),e.setUint8(9,this.config.numberOfChannels,!0),e.setUint16(10,3840,!0),e.setUint32(12,this.config.originalSampleRateOverride||this.config.originalSampleRate,!0),e.setUint16(16,0,!0),e.setUint8(18,0,!0),this.segmentTableIndex=1,this.segmentDataIndex=this.segmentTable[0]=19,this.headerType=2,this.generatePage()}),i.prototype.generatePage=(function(){var e=this.lastPositiveGranulePosition===this.granulePosition?-1:this.granulePosition,n=new ArrayBuffer(27+this.segmentTableIndex+this.segmentDataIndex),s=new DataView(n),r=new Uint8Array(n);s.setUint32(0,1399285583,!0),s.setUint8(4,0,!0),s.setUint8(5,this.headerType,!0),s.setUint32(6,e,!0),e<0?s.setInt32(10,Math.ceil(e/4294967297)-1,!0):s.setInt32(10,Math.floor(e/4294967296),!0),s.setUint32(14,this.config.serial,!0),s.setUint32(18,this.pageIndex++,!0),s.setUint8(26,this.segmentTableIndex,!0),r.set(this.segmentTable.subarray(0,this.segmentTableIndex),27),r.set(this.segmentData.subarray(0,this.segmentDataIndex),27+this.segmentTableIndex),s.setUint32(22,this.getChecksum(r),!0),t.postMessage({message:"page",page:r,samplePosition:this.granulePosition},[r.buffer]),this.segmentTableIndex=0,this.segmentDataIndex=0,this.framesInPage=0,e>0&&(this.lastPositiveGranulePosition=e)}),i.prototype.initChecksumTable=(function(){this.checksumTable=[];for(var e=0;e<256;e++){for(var t=e<<24,n=0;n<8;n++)t=0!=(2147483648&t)?t<<1^79764919:t<<1;this.checksumTable[e]=4294967295&t}}),i.prototype.setOpusControl=(function(e,t){var n=this._malloc(4);this.HEAP32[n>>2]=t,this._opus_encoder_ctl(this.encoder,e,n),this._free(n)}),i.prototype.initCodec=(function(){var e=this._malloc(4);this.encoder=this._opus_encoder_create(this.config.encoderSampleRate,this.config.numberOfChannels,this.config.encoderApplication,e),this._free(e),this.config.encoderBitRate&&this.setOpusControl(4002,this.config.encoderBitRate),this.config.encoderComplexity&&this.setOpusControl(4010,this.config.encoderComplexity),this.encoderSamplesPerChannel=this.config.encoderSampleRate*this.config.encoderFrameSize/1e3,this.encoderSamplesPerChannelPointer=this._malloc(4),this.HEAP32[this.encoderSamplesPerChannelPointer>>2]=this.encoderSamplesPerChannel,this.encoderBufferLength=this.encoderSamplesPerChannel*this.config.numberOfChannels,this.encoderBufferPointer=this._malloc(4*this.encoderBufferLength),this.encoderBuffer=this.HEAPF32.subarray(this.encoderBufferPointer>>2,(this.encoderBufferPointer>>2)+this.encoderBufferLength),this.encoderOutputMaxLength=4e3,this.encoderOutputPointer=this._malloc(this.encoderOutputMaxLength),this.encoderOutputBuffer=this.HEAPU8.subarray(this.encoderOutputPointer,this.encoderOutputPointer+this.encoderOutputMaxLength)}),i.prototype.initResampler=(function(){var e=this._malloc(4);this.resampler=this._speex_resampler_init(this.config.numberOfChannels,this.config.originalSampleRate,this.config.encoderSampleRate,this.config.resampleQuality,e),this._free(e),this.resampleBufferIndex=0,this.resampleSamplesPerChannel=this.config.originalSampleRate*this.config.encoderFrameSize/1e3,this.resampleSamplesPerChannelPointer=this._malloc(4),this.HEAP32[this.resampleSamplesPerChannelPointer>>2]=this.resampleSamplesPerChannel,this.resampleBufferLength=this.resampleSamplesPerChannel*this.config.numberOfChannels,this.resampleBufferPointer=this._malloc(4*this.resampleBufferLength),this.resampleBuffer=this.HEAPF32.subarray(this.resampleBufferPointer>>2,(this.resampleBufferPointer>>2)+this.resampleBufferLength)}),i.prototype.interleave=(function(e){for(var t=0;t<this.config.bufferLength;t++)for(var n=0;n<this.config.numberOfChannels;n++)this.interleavedBuffers[t*this.config.numberOfChannels+n]=e[n][t];return this.interleavedBuffers}),i.prototype.segmentPacket=(function(e){for(var t=0;e>=0;){255===this.segmentTableIndex&&(this.generatePage(),this.headerType=1);var n=Math.min(e,255);this.segmentTable[this.segmentTableIndex++]=n,this.segmentData.set(this.encoderOutputBuffer.subarray(t,t+n),this.segmentDataIndex),this.segmentDataIndex+=n,t+=n,e-=255}this.granulePosition+=48*this.config.encoderFrameSize,255===this.segmentTableIndex&&(this.generatePage(),this.headerType=0)}),Module||(Module={}),Module.mainReady=r,Module.OggOpusEncoder=i,Module.onRuntimeInitialized=s,e.exports=Module})).call(this,n(1))}),(function(e,t){var n;n=(function(){return this})();try{n=n||(new Function("return this"))()}catch(e){"object"==typeof window&&(n=window)}e.exports=n})])}));var moduleOverrides={};var key;for(key in Module){if(Module.hasOwnProperty(key)){moduleOverrides[key]=Module[key]}}Module["arguments"]=[];Module["thisProgram"]="./this.program";Module["quit"]=(function(status,toThrow){throw toThrow});Module["preRun"]=[];Module["postRun"]=[];var ENVIRONMENT_IS_WEB=false;var ENVIRONMENT_IS_WORKER=false;var ENVIRONMENT_IS_NODE=false;var ENVIRONMENT_IS_SHELL=false;ENVIRONMENT_IS_WEB=typeof window==="object";ENVIRONMENT_IS_WORKER=typeof importScripts==="function";ENVIRONMENT_IS_NODE=typeof process==="object"&&typeof require==="function"&&!ENVIRONMENT_IS_WEB&&!ENVIRONMENT_IS_WORKER;ENVIRONMENT_IS_SHELL=!ENVIRONMENT_IS_WEB&&!ENVIRONMENT_IS_NODE&&!ENVIRONMENT_IS_WORKER;var scriptDirectory="";function locateFile(path){if(Module["locateFile"]){return Module["locateFile"](path,scriptDirectory)}else{return scriptDirectory+path}}if(ENVIRONMENT_IS_NODE){scriptDirectory=__dirname+"/";var nodeFS;var nodePath;Module["read"]=function shell_read(filename,binary){var ret;if(!nodeFS)nodeFS=require("fs");if(!nodePath)nodePath=require("path");filename=nodePath["normalize"](filename);ret=nodeFS["readFileSync"](filename);return binary?ret:ret.toString()};Module["readBinary"]=function readBinary(filename){var ret=Module["read"](filename,true);if(!ret.buffer){ret=new Uint8Array(ret)}assert(ret.buffer);return ret};if(process["argv"].length>1){Module["thisProgram"]=process["argv"][1].replace(/\\/g,"/")}Module["arguments"]=process["argv"].slice(2);if(typeof module!=="undefined"){module["exports"]=Module}process["on"]("uncaughtException",(function(ex){if(!(ex instanceof ExitStatus)){throw ex}}));process["on"]("unhandledRejection",abort);Module["quit"]=(function(status){process["exit"](status)});Module["inspect"]=(function(){return"[Emscripten Module object]"})}else if(ENVIRONMENT_IS_SHELL){if(typeof read!="undefined"){Module["read"]=function shell_read(f){return read(f)}}Module["readBinary"]=function readBinary(f){var data;if(typeof readbuffer==="function"){return new Uint8Array(readbuffer(f))}data=read(f,"binary");assert(typeof data==="object");return data};if(typeof scriptArgs!="undefined"){Module["arguments"]=scriptArgs}else if(typeof arguments!="undefined"){Module["arguments"]=arguments}if(typeof quit==="function"){Module["quit"]=(function(status){quit(status)})}}else if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){if(ENVIRONMENT_IS_WORKER){scriptDirectory=self.location.href}else if(document.currentScript){scriptDirectory=document.currentScript.src}if(scriptDirectory.indexOf("blob:")!==0){scriptDirectory=scriptDirectory.substr(0,scriptDirectory.lastIndexOf("/")+1)}else{scriptDirectory=""}Module["read"]=function shell_read(url){var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.send(null);return xhr.responseText};if(ENVIRONMENT_IS_WORKER){Module["readBinary"]=function readBinary(url){var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.responseType="arraybuffer";xhr.send(null);return new Uint8Array(xhr.response)}}Module["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)};Module["setWindowTitle"]=(function(title){document.title=title})}else{}var out=Module["print"]||(typeof console!=="undefined"?console.log.bind(console):typeof print!=="undefined"?print:null);var err=Module["printErr"]||(typeof printErr!=="undefined"?printErr:typeof console!=="undefined"&&console.warn.bind(console)||out);for(key in moduleOverrides){if(moduleOverrides.hasOwnProperty(key)){Module[key]=moduleOverrides[key]}}moduleOverrides=undefined;var STACK_ALIGN=16;function staticAlloc(size){var ret=STATICTOP;STATICTOP=STATICTOP+size+15&-16;return ret}function alignMemory(size,factor){if(!factor)factor=STACK_ALIGN;var ret=size=Math.ceil(size/factor)*factor;return ret}var asm2wasmImports={"f64-rem":(function(x,y){return x%y}),"debugger":(function(){debugger})};var functionPointers=new Array(0);var GLOBAL_BASE=1024;var ABORT=false;var EXITSTATUS=0;function assert(condition,text){if(!condition){abort("Assertion failed: "+text)}}function Pointer_stringify(ptr,length){if(length===0||!ptr)return"";var hasUtf=0;var t;var i=0;while(1){t=HEAPU8[ptr+i>>0];hasUtf|=t;if(t==0&&!length)break;i++;if(length&&i==length)break}if(!length)length=i;var ret="";if(hasUtf<128){var MAX_CHUNK=1024;var curr;while(length>0){curr=String.fromCharCode.apply(String,HEAPU8.subarray(ptr,ptr+Math.min(length,MAX_CHUNK)));ret=ret?ret+curr:curr;ptr+=MAX_CHUNK;length-=MAX_CHUNK}return ret}return UTF8ToString(ptr)}var UTF8Decoder=typeof TextDecoder!=="undefined"?new TextDecoder("utf8"):undefined;function UTF8ArrayToString(u8Array,idx){var endPtr=idx;while(u8Array[endPtr])++endPtr;if(endPtr-idx>16&&u8Array.subarray&&UTF8Decoder){return UTF8Decoder.decode(u8Array.subarray(idx,endPtr))}else{var u0,u1,u2,u3,u4,u5;var str="";while(1){u0=u8Array[idx++];if(!u0)return str;if(!(u0&128)){str+=String.fromCharCode(u0);continue}u1=u8Array[idx++]&63;if((u0&224)==192){str+=String.fromCharCode((u0&31)<<6|u1);continue}u2=u8Array[idx++]&63;if((u0&240)==224){u0=(u0&15)<<12|u1<<6|u2}else{u3=u8Array[idx++]&63;if((u0&248)==240){u0=(u0&7)<<18|u1<<12|u2<<6|u3}else{u4=u8Array[idx++]&63;if((u0&252)==248){u0=(u0&3)<<24|u1<<18|u2<<12|u3<<6|u4}else{u5=u8Array[idx++]&63;u0=(u0&1)<<30|u1<<24|u2<<18|u3<<12|u4<<6|u5}}}if(u0<65536){str+=String.fromCharCode(u0)}else{var ch=u0-65536;str+=String.fromCharCode(55296|ch>>10,56320|ch&1023)}}}}function UTF8ToString(ptr){return UTF8ArrayToString(HEAPU8,ptr)}var UTF16Decoder=typeof TextDecoder!=="undefined"?new TextDecoder("utf-16le"):undefined;var WASM_PAGE_SIZE=65536;var ASMJS_PAGE_SIZE=16777216;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 updateGlobalBuffer(buf){Module["buffer"]=buffer=buf}function updateGlobalBufferViews(){Module["HEAP8"]=HEAP8=new Int8Array(buffer);Module["HEAP16"]=HEAP16=new Int16Array(buffer);Module["HEAP32"]=HEAP32=new Int32Array(buffer);Module["HEAPU8"]=HEAPU8=new Uint8Array(buffer);Module["HEAPU16"]=HEAPU16=new Uint16Array(buffer);Module["HEAPU32"]=HEAPU32=new Uint32Array(buffer);Module["HEAPF32"]=HEAPF32=new Float32Array(buffer);Module["HEAPF64"]=HEAPF64=new Float64Array(buffer)}var STATIC_BASE,STATICTOP,staticSealed;var STACK_BASE,STACKTOP,STACK_MAX;var DYNAMIC_BASE,DYNAMICTOP_PTR;STATIC_BASE=STATICTOP=STACK_BASE=STACKTOP=STACK_MAX=DYNAMIC_BASE=DYNAMICTOP_PTR=0;staticSealed=false;function abortOnCannotGrowMemory(){abort("Cannot enlarge memory arrays. Either (1) compile with  -s TOTAL_MEMORY=X  with X higher than the current value "+TOTAL_MEMORY+", (2) compile with  -s ALLOW_MEMORY_GROWTH=1  which allows increasing the size at runtime, or (3) if you want malloc to return NULL (0) instead of this abort, compile with  -s ABORTING_MALLOC=0 ")}function enlargeMemory(){abortOnCannotGrowMemory()}var TOTAL_STACK=Module["TOTAL_STACK"]||5242880;var TOTAL_MEMORY=Module["TOTAL_MEMORY"]||16777216;if(TOTAL_MEMORY<TOTAL_STACK)err("TOTAL_MEMORY should be larger than TOTAL_STACK, was "+TOTAL_MEMORY+"! (TOTAL_STACK="+TOTAL_STACK+")");if(Module["buffer"]){buffer=Module["buffer"]}else{if(typeof WebAssembly==="object"&&typeof WebAssembly.Memory==="function"){Module["wasmMemory"]=new WebAssembly.Memory({"initial":TOTAL_MEMORY/WASM_PAGE_SIZE,"maximum":TOTAL_MEMORY/WASM_PAGE_SIZE});buffer=Module["wasmMemory"].buffer}else{buffer=new ArrayBuffer(TOTAL_MEMORY)}Module["buffer"]=buffer}updateGlobalBufferViews();function getTotalMemory(){return TOTAL_MEMORY}function callRuntimeCallbacks(callbacks){while(callbacks.length>0){var callback=callbacks.shift();if(typeof callback=="function"){callback();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;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 ensureInitRuntime(){if(runtimeInitialized)return;runtimeInitialized=true;callRuntimeCallbacks(__ATINIT__)}function preMain(){callRuntimeCallbacks(__ATMAIN__)}function postRun(){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)}var Math_cos=Math.cos;var Math_sin=Math.sin;var runDependencies=0;var runDependencyWatcher=null;var dependenciesFulfilled=null;function addRunDependency(id){runDependencies++;if(Module["monitorRunDependencies"]){Module["monitorRunDependencies"](runDependencies)}}function removeRunDependency(id){runDependencies--;if(Module["monitorRunDependencies"]){Module["monitorRunDependencies"](runDependencies)}if(runDependencies==0){if(runDependencyWatcher!==null){clearInterval(runDependencyWatcher);runDependencyWatcher=null}if(dependenciesFulfilled){var callback=dependenciesFulfilled;dependenciesFulfilled=null;callback()}}}Module["preloadedImages"]={};Module["preloadedAudios"]={};var dataURIPrefix="data:application/octet-stream;base64,";function isDataURI(filename){return String.prototype.startsWith?filename.startsWith(dataURIPrefix):filename.indexOf(dataURIPrefix)===0}function integrateWasmJS(){var wasmTextFile="encoderWorker.min.wast";var wasmBinaryFile="encoderWorker.min.wasm";var asmjsCodeFile="encoderWorker.min.temp.asm.js";if(!isDataURI(wasmTextFile)){wasmTextFile=locateFile(wasmTextFile)}if(!isDataURI(wasmBinaryFile)){wasmBinaryFile=locateFile(wasmBinaryFile)}if(!isDataURI(asmjsCodeFile)){asmjsCodeFile=locateFile(asmjsCodeFile)}var wasmPageSize=64*1024;var info={"global":null,"env":null,"asm2wasm":asm2wasmImports,"parent":Module};var exports=null;function mergeMemory(newBuffer){var oldBuffer=Module["buffer"];if(newBuffer.byteLength<oldBuffer.byteLength){err("the new buffer in mergeMemory is smaller than the previous one. in native wasm, we should grow memory here")}var oldView=new Int8Array(oldBuffer);var newView=new Int8Array(newBuffer);newView.set(oldView);updateGlobalBuffer(newBuffer);updateGlobalBufferViews()}function getBinary(){try{if(Module["wasmBinary"]){return new Uint8Array(Module["wasmBinary"])}if(Module["readBinary"]){return Module["readBinary"](wasmBinaryFile)}else{throw"both async and sync fetching of the wasm failed"}}catch(err){abort(err)}}function getBinaryPromise(){if(!Module["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 doNativeWasm(global,env,providedBuffer){if(typeof WebAssembly!=="object"){err("no native wasm support detected");return false}if(!(Module["wasmMemory"]instanceof WebAssembly.Memory)){err("no native wasm Memory in use");return false}env["memory"]=Module["wasmMemory"];info["global"]={"NaN":NaN,"Infinity":Infinity};info["global.Math"]=Math;info["env"]=env;function receiveInstance(instance,module){exports=instance.exports;if(exports.memory)mergeMemory(exports.memory);Module["asm"]=exports;Module["usingWasm"]=true;removeRunDependency("wasm-instantiate")}addRunDependency("wasm-instantiate");if(Module["instantiateWasm"]){try{return Module["instantiateWasm"](info,receiveInstance)}catch(e){err("Module.instantiateWasm callback failed with error: "+e);return false}}function receiveInstantiatedSource(output){receiveInstance(output["instance"],output["module"])}function instantiateArrayBuffer(receiver){getBinaryPromise().then((function(binary){return WebAssembly.instantiate(binary,info)})).then(receiver,(function(reason){err("failed to asynchronously prepare wasm: "+reason);abort(reason)}))}if(!Module["wasmBinary"]&&typeof WebAssembly.instantiateStreaming==="function"&&!isDataURI(wasmBinaryFile)&&typeof fetch==="function"){WebAssembly.instantiateStreaming(fetch(wasmBinaryFile,{credentials:"same-origin"}),info).then(receiveInstantiatedSource,(function(reason){err("wasm streaming compile failed: "+reason);err("falling back to ArrayBuffer instantiation");instantiateArrayBuffer(receiveInstantiatedSource)}))}else{instantiateArrayBuffer(receiveInstantiatedSource)}return{}}Module["asmPreload"]=Module["asm"];var asmjsReallocBuffer=Module["reallocBuffer"];var wasmReallocBuffer=(function(size){var PAGE_MULTIPLE=Module["usingWasm"]?WASM_PAGE_SIZE:ASMJS_PAGE_SIZE;size=alignUp(size,PAGE_MULTIPLE);var old=Module["buffer"];var oldSize=old.byteLength;if(Module["usingWasm"]){try{var result=Module["wasmMemory"].grow((size-oldSize)/wasmPageSize);if(result!==(-1|0)){return Module["buffer"]=Module["wasmMemory"].buffer}else{return null}}catch(e){return null}}});Module["reallocBuffer"]=(function(size){if(finalMethod==="asmjs"){return asmjsReallocBuffer(size)}else{return wasmReallocBuffer(size)}});var finalMethod="";Module["asm"]=(function(global,env,providedBuffer){if(!env["table"]){var TABLE_SIZE=Module["wasmTableSize"];if(TABLE_SIZE===undefined)TABLE_SIZE=1024;var MAX_TABLE_SIZE=Module["wasmMaxTableSize"];if(typeof WebAssembly==="object"&&typeof WebAssembly.Table==="function"){if(MAX_TABLE_SIZE!==undefined){env["table"]=new WebAssembly.Table({"initial":TABLE_SIZE,"maximum":MAX_TABLE_SIZE,"element":"anyfunc"})}else{env["table"]=new WebAssembly.Table({"initial":TABLE_SIZE,element:"anyfunc"})}}else{env["table"]=new Array(TABLE_SIZE)}Module["wasmTable"]=env["table"]}if(!env["__memory_base"]){env["__memory_base"]=Module["STATIC_BASE"]}if(!env["__table_base"]){env["__table_base"]=0}var exports;exports=doNativeWasm(global,env,providedBuffer);assert(exports,"no binaryen method succeeded.");return exports})}integrateWasmJS();STATIC_BASE=GLOBAL_BASE;STATICTOP=STATIC_BASE+48032;__ATINIT__.push();var STATIC_BUMP=48032;Module["STATIC_BASE"]=STATIC_BASE;Module["STATIC_BUMP"]=STATIC_BUMP;STATICTOP+=16;var SYSCALLS={buffers:[null,[],[]],printChar:(function(stream,curr){var buffer=SYSCALLS.buffers[stream];assert(buffer);if(curr===0||curr===10){(stream===1?out:err)(UTF8ArrayToString(buffer,0));buffer.length=0}else{buffer.push(curr)}}),varargs:0,get:(function(varargs){SYSCALLS.varargs+=4;var ret=HEAP32[SYSCALLS.varargs-4>>2];return ret}),getStr:(function(){var ret=Pointer_stringify(SYSCALLS.get());return ret}),get64:(function(){var low=SYSCALLS.get(),high=SYSCALLS.get();if(low>=0)assert(high===0);else assert(high===-1);return low}),getZero:(function(){assert(SYSCALLS.get()===0)})};function ___syscall140(which,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD(),offset_high=SYSCALLS.get(),offset_low=SYSCALLS.get(),result=SYSCALLS.get(),whence=SYSCALLS.get();var offset=offset_low;FS.llseek(stream,offset,whence);HEAP32[result>>2]=stream.position;if(stream.getdents&&offset===0&&whence===0)stream.getdents=null;return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___syscall146(which,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.get(),iov=SYSCALLS.get(),iovcnt=SYSCALLS.get();var ret=0;for(var i=0;i<iovcnt;i++){var ptr=HEAP32[iov+i*8>>2];var len=HEAP32[iov+(i*8+4)>>2];for(var j=0;j<len;j++){SYSCALLS.printChar(stream,HEAPU8[ptr+j])}ret+=len}return ret}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___syscall6(which,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD();FS.close(stream);return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function _abort(){Module["abort"]()}var _llvm_cos_f64=Math_cos;function _llvm_exp2_f32(x){return Math.pow(2,x)}function _llvm_exp2_f64(){return _llvm_exp2_f32.apply(null,arguments)}function _llvm_log10_f32(x){return Math.log(x)/Math.LN10}function _llvm_log10_f64(){return _llvm_log10_f32.apply(null,arguments)}var _llvm_sin_f64=Math_sin;function _llvm_stackrestore(p){var self=_llvm_stacksave;var ret=self.LLVM_SAVEDSTACKS[p];self.LLVM_SAVEDSTACKS.splice(p,1);stackRestore(ret)}function _llvm_stacksave(){var self=_llvm_stacksave;if(!self.LLVM_SAVEDSTACKS){self.LLVM_SAVEDSTACKS=[]}self.LLVM_SAVEDSTACKS.push(stackSave());return self.LLVM_SAVEDSTACKS.length-1}function _emscripten_memcpy_big(dest,src,num){HEAPU8.set(HEAPU8.subarray(src,src+num),dest);return dest}function ___setErrNo(value){if(Module["___errno_location"])HEAP32[Module["___errno_location"]()>>2]=value;return value}DYNAMICTOP_PTR=staticAlloc(4);STACK_BASE=STACKTOP=alignMemory(STATICTOP);STACK_MAX=STACK_BASE+TOTAL_STACK;DYNAMIC_BASE=alignMemory(STACK_MAX);HEAP32[DYNAMICTOP_PTR>>2]=DYNAMIC_BASE;staticSealed=true;Module["wasmTableSize"]=16;Module["wasmMaxTableSize"]=16;Module.asmGlobalArg={};Module.asmLibraryArg={"e":abort,"o":enlargeMemory,"n":getTotalMemory,"m":abortOnCannotGrowMemory,"i":___setErrNo,"l":___syscall140,"h":___syscall146,"k":___syscall6,"r":_abort,"q":_emscripten_memcpy_big,"j":_llvm_cos_f64,"g":_llvm_exp2_f64,"f":_llvm_log10_f64,"p":_llvm_sin_f64,"c":_llvm_stackrestore,"d":_llvm_stacksave,"a":DYNAMICTOP_PTR,"b":STACKTOP};var asm=Module["asm"](Module.asmGlobalArg,Module.asmLibraryArg,buffer);Module["asm"]=asm;var _free=Module["_free"]=(function(){return Module["asm"]["s"].apply(null,arguments)});var _malloc=Module["_malloc"]=(function(){return Module["asm"]["t"].apply(null,arguments)});var _opus_encode_float=Module["_opus_encode_float"]=(function(){return Module["asm"]["u"].apply(null,arguments)});var _opus_encoder_create=Module["_opus_encoder_create"]=(function(){return Module["asm"]["v"].apply(null,arguments)});var _opus_encoder_ctl=Module["_opus_encoder_ctl"]=(function(){return Module["asm"]["w"].apply(null,arguments)});var _opus_encoder_destroy=Module["_opus_encoder_destroy"]=(function(){return Module["asm"]["x"].apply(null,arguments)});var _speex_resampler_destroy=Module["_speex_resampler_destroy"]=(function(){return Module["asm"]["y"].apply(null,arguments)});var _speex_resampler_init=Module["_speex_resampler_init"]=(function(){return Module["asm"]["z"].apply(null,arguments)});var _speex_resampler_process_interleaved_float=Module["_speex_resampler_process_interleaved_float"]=(function(){return Module["asm"]["A"].apply(null,arguments)});var stackRestore=Module["stackRestore"]=(function(){return Module["asm"]["B"].apply(null,arguments)});var stackSave=Module["stackSave"]=(function(){return Module["asm"]["C"].apply(null,arguments)});Module["asm"]=asm;function ExitStatus(status){this.name="ExitStatus";this.message="Program terminated with exit("+status+")";this.status=status}ExitStatus.prototype=new Error;ExitStatus.prototype.constructor=ExitStatus;dependenciesFulfilled=function runCaller(){if(!Module["calledRun"])run();if(!Module["calledRun"])dependenciesFulfilled=runCaller};function run(args){args=args||Module["arguments"];if(runDependencies>0){return}preRun();if(runDependencies>0)return;if(Module["calledRun"])return;function doRun(){if(Module["calledRun"])return;Module["calledRun"]=true;if(ABORT)return;ensureInitRuntime();preMain();if(Module["onRuntimeInitialized"])Module["onRuntimeInitialized"]();postRun()}if(Module["setStatus"]){Module["setStatus"]("Running...");setTimeout((function(){setTimeout((function(){Module["setStatus"]("")}),1);doRun()}),1)}else{doRun()}}Module["run"]=run;function abort(what){if(Module["onAbort"]){Module["onAbort"](what)}if(what!==undefined){out(what);err(what);what=JSON.stringify(what)}else{what=""}ABORT=true;EXITSTATUS=1;throw"abort("+what+"). Build with -s ASSERTIONS=1 for more info."}Module["abort"]=abort;if(Module["preInit"]){if(typeof Module["preInit"]=="function")Module["preInit"]=[Module["preInit"]];while(Module["preInit"].length>0){Module["preInit"].pop()()}}Module["noExitRuntime"]=true;run()
 
 
 

dist/recorder.min.js

@@ -1,1 +0,1 @@
-!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.Recorder=e():t.Recorder=e()}("undefined"!=typeof self?self:this,function(){return function(t){var e={};function o(i){if(e[i])return e[i].exports;var n=e[i]={i:i,l:!1,exports:{}};return t[i].call(n.exports,n,n.exports,o),n.l=!0,n.exports}return o.m=t,o.c=e,o.d=function(t,e,i){o.o(t,e)||Object.defineProperty(t,e,{enumerable:!0,get:i})},o.r=function(t){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})},o.t=function(t,e){if(1&e&&(t=o(t)),8&e)return t;if(4&e&&"object"==typeof t&&t&&t.__esModule)return t;var i=Object.create(null);if(o.r(i),Object.defineProperty(i,"default",{enumerable:!0,value:t}),2&e&&"string"!=typeof t)for(var n in t)o.d(i,n,function(e){return t[e]}.bind(null,n));return i},o.n=function(t){var e=t&&t.__esModule?function(){return t.default}:function(){return t};return o.d(e,"a",e),e},o.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},o.p="",o(o.s=0)}([function(t,e,o){"use strict";(function(e){var o=e.AudioContext||e.webkitAudioContext,i=function(t){if(!i.isRecordingSupported())throw new Error("Recording is not supported in this browser");t||(t={}),this.state="inactive",this.config=Object.assign({bufferLength:4096,encoderApplication:2049,encoderFrameSize:20,encoderPath:"encoderWorker.min.js",encoderSampleRate:48e3,maxFramesPerPage:40,mediaTrackConstraints:!0,monitorGain:0,numberOfChannels:1,recordingGain:1,resampleQuality:3,streamPages:!1,wavBitDepth:16},t)};i.isRecordingSupported=function(){return o&&e.navigator&&e.navigator.mediaDevices&&e.navigator.mediaDevices.getUserMedia&&e.WebAssembly},i.prototype.clearStream=function(){this.stream&&(this.stream.getTracks?this.stream.getTracks().forEach(function(t){t.stop()}):this.stream.stop(),delete this.stream),this.audioContext&&this.closeAudioContext&&(this.audioContext.close(),delete this.audioContext)},i.prototype.encodeBuffers=function(t){if("recording"===this.state){for(var e=[],o=0;o<t.numberOfChannels;o++)e[o]=t.getChannelData(o);this.encoder.postMessage({command:"encode",buffers:e})}},i.prototype.initAudioContext=function(t){return t&&t.context?(this.audioContext=t.context,this.closeAudioContext=!1):(this.audioContext=new o,this.closeAudioContext=!0),this.audioContext},i.prototype.initAudioGraph=function(){this.encodeBuffers=function(){delete this.encodeBuffers},this.scriptProcessorNode=this.audioContext.createScriptProcessor(this.config.bufferLength,this.config.numberOfChannels,this.config.numberOfChannels),this.scriptProcessorNode.connect(this.audioContext.destination),this.scriptProcessorNode.onaudioprocess=(t=>{this.encodeBuffers(t.inputBuffer)}),this.monitorGainNode=this.audioContext.createGain(),this.setMonitorGain(this.config.monitorGain),this.monitorGainNode.connect(this.audioContext.destination),this.recordingGainNode=this.audioContext.createGain(),this.setRecordingGain(this.config.recordingGain),this.recordingGainNode.connect(this.scriptProcessorNode)},i.prototype.initSourceNode=function(t){return t&&t.context?e.Promise.resolve(t):e.navigator.mediaDevices.getUserMedia({audio:this.config.mediaTrackConstraints}).then(t=>(this.stream=t,this.audioContext.createMediaStreamSource(t)))},i.prototype.initWorker=function(){var t=(this.config.streamPages?this.streamPage:this.storePage).bind(this);return this.recordedPages=[],this.totalLength=0,this.encoder=new e.Worker(this.config.encoderPath),new Promise((e,o)=>{this.encoder.addEventListener("message",o=>{switch(o.data.message){case"ready":e();break;case"page":t(o.data.page);break;case"done":this.finish()}}),this.encoder.postMessage(Object.assign({command:"init",originalSampleRate:this.audioContext.sampleRate,wavSampleRate:this.audioContext.sampleRate},this.config))})},i.prototype.pause=function(){"recording"===this.state&&(this.state="paused",this.onpause())},i.prototype.resume=function(){"paused"===this.state&&(this.state="recording",this.onresume())},i.prototype.setRecordingGain=function(t){this.config.recordingGain=t,this.recordingGainNode&&this.audioContext&&this.recordingGainNode.gain.setTargetAtTime(t,this.audioContext.currentTime,.01)},i.prototype.setMonitorGain=function(t){this.config.monitorGain=t,this.monitorGainNode&&this.audioContext&&this.monitorGainNode.gain.setTargetAtTime(t,this.audioContext.currentTime,.01)},i.prototype.start=function(t){if("inactive"===this.state)return this.initAudioContext(t),this.initAudioGraph(),Promise.all([this.initSourceNode(t),this.initWorker()]).then(t=>{this.sourceNode=t[0],this.state="recording",this.onstart(),this.encoder.postMessage({command:"getHeaderPages"}),this.sourceNode.connect(this.monitorGainNode),this.sourceNode.connect(this.recordingGainNode)})},i.prototype.stop=function(){"inactive"!==this.state&&(this.state="inactive",this.monitorGainNode.disconnect(),this.scriptProcessorNode.disconnect(),this.recordingGainNode.disconnect(),this.sourceNode.disconnect(),this.clearStream(),this.encoder.postMessage({command:"done"}))},i.prototype.storePage=function(t){this.recordedPages.push(t),this.totalLength+=t.length},i.prototype.streamPage=function(t){this.ondataavailable(t)},i.prototype.finish=function(){if(!this.config.streamPages){var t=new Uint8Array(this.totalLength);this.recordedPages.reduce(function(e,o){return t.set(o,e),e+o.length},0),this.ondataavailable(t)}this.onstop()},i.prototype.ondataavailable=function(){},i.prototype.onpause=function(){},i.prototype.onresume=function(){},i.prototype.onstart=function(){},i.prototype.onstop=function(){},t.exports=i}).call(this,o(1))},function(t,e){var o;o=function(){return this}();try{o=o||new Function("return this")()}catch(t){"object"==typeof window&&(o=window)}t.exports=o}])});
+!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.Recorder=t():e.Recorder=t()}("undefined"!=typeof self?self:this,function(){return function(e){var t={};function o(i){if(t[i])return t[i].exports;var n=t[i]={i:i,l:!1,exports:{}};return e[i].call(n.exports,n,n.exports,o),n.l=!0,n.exports}return o.m=e,o.c=t,o.d=function(e,t,i){o.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:i})},o.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},o.t=function(e,t){if(1&t&&(e=o(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var i=Object.create(null);if(o.r(i),Object.defineProperty(i,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var n in e)o.d(i,n,function(t){return e[t]}.bind(null,n));return i},o.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return o.d(t,"a",t),t},o.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},o.p="",o(o.s=0)}([function(e,t,o){"use strict";(function(t){var o=t.AudioContext||t.webkitAudioContext,i=function(e){if(!i.isRecordingSupported())throw new Error("Recording is not supported in this browser");e||(e={}),this.state="inactive",this.config=Object.assign({bufferLength:4096,encoderApplication:2049,encoderFrameSize:20,encoderPath:"encoderWorker.min.js",encoderSampleRate:48e3,maxFramesPerPage:40,mediaTrackConstraints:!0,monitorGain:0,numberOfChannels:1,recordingGain:1,resampleQuality:3,streamPages:!1,reuseWorker:!1,wavBitDepth:16},e),this.encodedSamplePosition=0};i.isRecordingSupported=function(){return o&&t.navigator&&t.navigator.mediaDevices&&t.navigator.mediaDevices.getUserMedia&&t.WebAssembly},i.prototype.clearStream=function(){this.stream&&(this.stream.getTracks?this.stream.getTracks().forEach(function(e){e.stop()}):this.stream.stop(),delete this.stream),this.audioContext&&this.closeAudioContext&&(this.audioContext.close(),delete this.audioContext)},i.prototype.encodeBuffers=function(e){if("recording"===this.state){for(var t=[],o=0;o<e.numberOfChannels;o++)t[o]=e.getChannelData(o);this.encoder.postMessage({command:"encode",buffers:t})}},i.prototype.initAudioContext=function(e){return e&&e.context?(this.audioContext=e.context,this.closeAudioContext=!1):(this.audioContext=new o,this.closeAudioContext=!0),this.audioContext},i.prototype.initAudioGraph=function(){this.encodeBuffers=function(){delete this.encodeBuffers},this.scriptProcessorNode=this.audioContext.createScriptProcessor(this.config.bufferLength,this.config.numberOfChannels,this.config.numberOfChannels),this.scriptProcessorNode.connect(this.audioContext.destination),this.scriptProcessorNode.onaudioprocess=(e=>{this.encodeBuffers(e.inputBuffer)}),this.monitorGainNode=this.audioContext.createGain(),this.setMonitorGain(this.config.monitorGain),this.monitorGainNode.connect(this.audioContext.destination),this.recordingGainNode=this.audioContext.createGain(),this.setRecordingGain(this.config.recordingGain),this.recordingGainNode.connect(this.scriptProcessorNode)},i.prototype.initSourceNode=function(e){return e&&e.context?t.Promise.resolve(e):t.navigator.mediaDevices.getUserMedia({audio:this.config.mediaTrackConstraints}).then(e=>(this.stream=e,this.audioContext.createMediaStreamSource(e)))},i.prototype.loadWorker=function(){this.encoder||(this.encoder=new t.Worker(this.config.encoderPath))},i.prototype.initWorker=function(){var e=(this.config.streamPages?this.streamPage:this.storePage).bind(this);return this.recordedPages=[],this.totalLength=0,this.loadWorker(),new Promise((t,o)=>{var i=o=>{switch(o.data.message){case"ready":t();break;case"page":this.encodedSamplePosition=o.data.samplePosition,e(o.data.page);break;case"done":this.encoder.removeEventListener("message",i),this.finish()}};this.encoder.addEventListener("message",i),this.encoder.postMessage(Object.assign({command:"init",originalSampleRate:this.audioContext.sampleRate,wavSampleRate:this.audioContext.sampleRate},this.config))})},i.prototype.pause=function(e){if("recording"===this.state){if(this.state="paused",e&&this.config.streamPages){var t=this.encoder;return new Promise((e,o)=>{var i=o=>{"flushed"===o.data.message&&(t.removeEventListener("message",i),this.onpause(),e())};t.addEventListener("message",i),t.postMessage({command:"flush"})})}return this.onpause(),Promise.resolve()}},i.prototype.resume=function(){"paused"===this.state&&(this.state="recording",this.onresume())},i.prototype.setRecordingGain=function(e){this.config.recordingGain=e,this.recordingGainNode&&this.audioContext&&this.recordingGainNode.gain.setTargetAtTime(e,this.audioContext.currentTime,.01)},i.prototype.setMonitorGain=function(e){this.config.monitorGain=e,this.monitorGainNode&&this.audioContext&&this.monitorGainNode.gain.setTargetAtTime(e,this.audioContext.currentTime,.01)},i.prototype.start=function(e){if("inactive"===this.state)return this.initAudioContext(e),this.initAudioGraph(),this.encodedSamplePosition=0,Promise.all([this.initSourceNode(e),this.initWorker()]).then(e=>{this.sourceNode=e[0],this.state="recording",this.onstart(),this.encoder.postMessage({command:"getHeaderPages"}),this.sourceNode.connect(this.monitorGainNode),this.sourceNode.connect(this.recordingGainNode)})},i.prototype.stop=function(){if("inactive"!==this.state){this.state="inactive",this.monitorGainNode.disconnect(),this.scriptProcessorNode.disconnect(),this.recordingGainNode.disconnect(),this.sourceNode.disconnect(),this.clearStream();var e=this.encoder;return new Promise(t=>{var o=i=>{"done"===i.data.message&&(e.removeEventListener("message",o),t())};e.addEventListener("message",o),e.postMessage({command:"done"}),this.config.reuseWorker||e.postMessage({command:"close"})})}return Promise.resolve()},i.prototype.destroyWorker=function(){"inactive"===this.state&&this.encoder&&(this.encoder.postMessage({command:"close"}),delete this.encoder)},i.prototype.storePage=function(e){this.recordedPages.push(e),this.totalLength+=e.length},i.prototype.streamPage=function(e){this.ondataavailable(e)},i.prototype.finish=function(){if(!this.config.streamPages){var e=new Uint8Array(this.totalLength);this.recordedPages.reduce(function(t,o){return e.set(o,t),t+o.length},0),this.ondataavailable(e)}this.onstop(),this.config.reuseWorker||delete this.encoder},i.prototype.ondataavailable=function(){},i.prototype.onpause=function(){},i.prototype.onresume=function(){},i.prototype.onstart=function(){},i.prototype.onstop=function(){},e.exports=i}).call(this,o(1))},function(e,t){var o;o=function(){return this}();try{o=o||new Function("return this")()}catch(e){"object"==typeof window&&(o=window)}e.exports=o}])});

dist/waveWorker.min.js

@@ -1,1 +0,1 @@
-!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.WaveWorker=t():e.WaveWorker=t()}("undefined"!=typeof self?self:this,function(){return function(e){var t={};function r(n){if(t[n])return t[n].exports;var s=t[n]={i:n,l:!1,exports:{}};return e[n].call(s.exports,s,s.exports,r),s.l=!0,s.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 s in e)r.d(n,s,function(t){return e[t]}.bind(null,s));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){"use strict";(function(t){var r;t.onmessage=function(e){switch(e.data.command){case"encode":r&&r.record(e.data.buffers);break;case"done":r&&r.requestData();break;case"init":r=new n(e.data),t.postMessage({message:"ready"})}};var n=function(e){if(!(e=Object.assign({wavBitDepth:16},e)).wavSampleRate)throw new Error("wavSampleRate value is required to record. NOTE: Audio is not resampled!");if(-1===[8,16,24,32].indexOf(e.wavBitDepth))throw new Error("Only 8, 16, 24 and 32 bits per sample are supported");this.bitDepth=e.wavBitDepth,this.sampleRate=e.wavSampleRate,this.recordedBuffers=[],this.bytesPerSample=this.bitDepth/8};n.prototype.record=function(e){this.numberOfChannels=this.numberOfChannels||e.length;for(var t=e[0].length,r=new Uint8Array(t*this.numberOfChannels*this.bytesPerSample),n=0;n<t;n++)for(var s=0;s<this.numberOfChannels;s++){var a=(n*this.numberOfChannels+s)*this.bytesPerSample,i=Math.max(-1,Math.min(1,e[s][n]));switch(this.bytesPerSample){case 4:i=2147483647.5*i-.5,r[a]=i,r[a+1]=i>>8,r[a+2]=i>>16,r[a+3]=i>>24;break;case 3:i=8388607.5*i-.5,r[a]=i,r[a+1]=i>>8,r[a+2]=i>>16;break;case 2:i=32767.5*i-.5,r[a]=i,r[a+1]=i>>8;break;case 1:r[a]=127.5*(i+1);break;default:throw new Error("Only 8, 16, 24 and 32 bits per sample are supported")}}this.recordedBuffers.push(r)},n.prototype.requestData=function(){var e=this.recordedBuffers[0].length,r=this.recordedBuffers.length*e,n=new Uint8Array(44+r),s=new DataView(n.buffer);s.setUint32(0,1380533830,!1),s.setUint32(4,36+r,!0),s.setUint32(8,1463899717,!1),s.setUint32(12,1718449184,!1),s.setUint32(16,16,!0),s.setUint16(20,1,!0),s.setUint16(22,this.numberOfChannels,!0),s.setUint32(24,this.sampleRate,!0),s.setUint32(28,this.sampleRate*this.bytesPerSample*this.numberOfChannels,!0),s.setUint16(32,this.bytesPerSample*this.numberOfChannels,!0),s.setUint16(34,this.bitDepth,!0),s.setUint32(36,1684108385,!1),s.setUint32(40,r,!0);for(var a=0;a<this.recordedBuffers.length;a++)n.set(this.recordedBuffers[a],a*e+44);t.postMessage({message:"page",page:n},[n.buffer]),t.postMessage({message:"done"}),t.close()},e.exports=n}).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}])});
+!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.WaveWorker=t():e.WaveWorker=t()}("undefined"!=typeof self?self:this,function(){return function(e){var t={};function r(n){if(t[n])return t[n].exports;var s=t[n]={i:n,l:!1,exports:{}};return e[n].call(s.exports,s,s.exports,r),s.l=!0,s.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 s in e)r.d(n,s,function(t){return e[t]}.bind(null,s));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){"use strict";(function(t){var r;t.onmessage=function(e){switch(e.data.command){case"encode":r&&r.record(e.data.buffers);break;case"done":r&&(r.requestData(),r=null);break;case"close":t.close();break;case"init":r=new n(e.data),t.postMessage({message:"ready"})}};var n=function(e){if(!(e=Object.assign({wavBitDepth:16},e)).wavSampleRate)throw new Error("wavSampleRate value is required to record. NOTE: Audio is not resampled!");if(-1===[8,16,24,32].indexOf(e.wavBitDepth))throw new Error("Only 8, 16, 24 and 32 bits per sample are supported");this.bitDepth=e.wavBitDepth,this.sampleRate=e.wavSampleRate,this.recordedBuffers=[],this.bytesPerSample=this.bitDepth/8};n.prototype.record=function(e){this.numberOfChannels=this.numberOfChannels||e.length;for(var t=e[0].length,r=new Uint8Array(t*this.numberOfChannels*this.bytesPerSample),n=0;n<t;n++)for(var s=0;s<this.numberOfChannels;s++){var a=(n*this.numberOfChannels+s)*this.bytesPerSample,i=Math.max(-1,Math.min(1,e[s][n]));switch(this.bytesPerSample){case 4:i=2147483647.5*i-.5,r[a]=i,r[a+1]=i>>8,r[a+2]=i>>16,r[a+3]=i>>24;break;case 3:i=8388607.5*i-.5,r[a]=i,r[a+1]=i>>8,r[a+2]=i>>16;break;case 2:i=32767.5*i-.5,r[a]=i,r[a+1]=i>>8;break;case 1:r[a]=127.5*(i+1);break;default:throw new Error("Only 8, 16, 24 and 32 bits per sample are supported")}}this.recordedBuffers.push(r)},n.prototype.requestData=function(){var e=this.recordedBuffers[0].length,r=this.recordedBuffers.length*e,n=new Uint8Array(44+r),s=new DataView(n.buffer);s.setUint32(0,1380533830,!1),s.setUint32(4,36+r,!0),s.setUint32(8,1463899717,!1),s.setUint32(12,1718449184,!1),s.setUint32(16,16,!0),s.setUint16(20,1,!0),s.setUint16(22,this.numberOfChannels,!0),s.setUint32(24,this.sampleRate,!0),s.setUint32(28,this.sampleRate*this.bytesPerSample*this.numberOfChannels,!0),s.setUint16(32,this.bytesPerSample*this.numberOfChannels,!0),s.setUint16(34,this.bitDepth,!0),s.setUint32(36,1684108385,!1),s.setUint32(40,r,!0);for(var a=0;a<this.recordedBuffers.length;a++)n.set(this.recordedBuffers[a],a*e+44);t.postMessage({message:"page",page:n},[n.buffer]),t.postMessage({message:"done"})},e.exports=n}).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}])});

package.json

 {
   "name": "opus-recorder",
-  "version": "6.0.1",
+  "version": "6.1.0",
   "description": "A library for recording opus encoded audio",
@@ -5,0 +5,0 @@ "homepage": "https://github.com/chris-rudmin/opus-recorder",

README.md

@@ -55,2 +55,3 @@ # Opus & Wave Recorder
 - **streamPages**                 - (*optional*) `dataAvailable` event will fire after each encoded page. Defaults to `false`.
+- **reuseWorker**                 - (*optional*) If true, the worker is not automatically destroyed when `stop` is called. Instead, it is reused for subsequent `start` calls and must be explicitly destroyed after stopping by calling `destroyWorker`. Defaults to `false`. 
 
@@ -68,6 +69,6 @@
 ```js
-rec.pause()
+rec.pause([flush])
 ```
 
-**pause** will keep the stream and monitoring alive, but will not be recording the buffers. Will call the `onpause` callback when paused. Subsequent calls to **resume** will add to the current recording.
+**pause** will keep the stream and monitoring alive, but will not be recording the buffers. If `flush` is `true` and `streamPages` is set, any pending encoded frames of data will be flushed, and it will return a promise that only resolves after the frames have been flushed to `ondataavailable`. Will call the `onpause` callback when paused. Subsequent calls to **resume** will add to the current recording.
 
@@ -104,4 +105,24 @@ ```js
 
+```js
+rec.destroyWorker()
+```
 
+**destroyWorker** will destroy the worker freeing up the browser resources. If the recorder is re-started, a new worker will be created. Note that `destroyWorker` is automatically called when stopping unless `reuseWorker` is true.
+
+```js
+rec.loadWorker()
+```
+
+**loadWorker** triggers pre-loading of the worker. This can reduce the startup latency when calling `start`. Call `destroyWorker` to clean the worker when the recorder is stopped/not started, or it will be automatically cleaned up after stopping unless `reuseWorker` is true.
+
 ---------
+#### Instance Fields
+
+```js
+rec.encodedSamplePosition
+```
+
+Reads the currently encoded sample position (the number of samples up to and including the most recent data provided to `ondataavailable`). For Opus, the encoded sample rate is always 48kHz, so a time position can be determined by dividing by 48000.
+
+---------
 #### Static Methods
@@ -108,0 +129,0 @@

New alerts

Major refactor

Supply chain risk

Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

Found 1 instance in 1 package

Fixed alerts

Major refactor

Supply chain risk

Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

461650

increased by0.74%

Lines of code

219

increased by2.34%

Number of lines in readme file

240

increased by9.59%

No dependency changes