made with requirebin
Created
September 9, 2016 20:00
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requirebin sketch
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var audio = require('audio-stream'); | |
navigator.getUserMedia({ | |
video: false, | |
audio: true | |
}, function(mediaStream) { | |
var stream = audio(mediaStream, { | |
channels: 1, | |
volume: 0.5 | |
}); | |
stream.on('header', function(header) { | |
// Wave header properties | |
}); | |
stream.on('data', function(data) { | |
console.log('got data', data) | |
// Data is a Buffer instance (UInt8Array) | |
}); | |
stream.on('end', function() { | |
// End is emitted when media stream has ended | |
}); | |
setTimeout(function() { | |
mediaStream.stop(); | |
}, 5000); | |
}, function() { | |
console.log('Failed to get media'); | |
}); |
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setTimeout(function(){require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){},{}],2:[function(require,module,exports){(function(global){"use strict";var base64=require("base64-js");var ieee754=require("ieee754");var isArray=require("isarray");exports.Buffer=Buffer;exports.SlowBuffer=SlowBuffer;exports.INSPECT_MAX_BYTES=50;Buffer.poolSize=8192;var rootParent={};Buffer.TYPED_ARRAY_SUPPORT=global.TYPED_ARRAY_SUPPORT!==undefined?global.TYPED_ARRAY_SUPPORT:typedArraySupport();function typedArraySupport(){function Bar(){}try{var arr=new Uint8Array(1);arr.foo=function(){return 42};arr.constructor=Bar;return arr.foo()===42&&arr.constructor===Bar&&typeof arr.subarray==="function"&&arr.subarray(1,1).byteLength===0}catch(e){return false}}function kMaxLength(){return Buffer.TYPED_ARRAY_SUPPORT?2147483647:1073741823}function Buffer(arg){if(!(this instanceof Buffer)){if(arguments.length>1)return new Buffer(arg,arguments[1]);return new Buffer(arg)}if(!Buffer.TYPED_ARRAY_SUPPORT){this.length=0;this.parent=undefined}if(typeof arg==="number"){return fromNumber(this,arg)}if(typeof arg==="string"){return fromString(this,arg,arguments.length>1?arguments[1]:"utf8")}return fromObject(this,arg)}function fromNumber(that,length){that=allocate(that,length<0?0:checked(length)|0);if(!Buffer.TYPED_ARRAY_SUPPORT){for(var i=0;i<length;i++){that[i]=0}}return that}function fromString(that,string,encoding){if(typeof encoding!=="string"||encoding==="")encoding="utf8";var length=byteLength(string,encoding)|0;that=allocate(that,length);that.write(string,encoding);return that}function fromObject(that,object){if(Buffer.isBuffer(object))return fromBuffer(that,object);if(isArray(object))return fromArray(that,object);if(object==null){throw new TypeError("must start with number, buffer, array or string")}if(typeof ArrayBuffer!=="undefined"){if(object.buffer instanceof ArrayBuffer){return fromTypedArray(that,object)}if(object instanceof ArrayBuffer){return fromArrayBuffer(that,object)}}if(object.length)return fromArrayLike(that,object);return fromJsonObject(that,object)}function fromBuffer(that,buffer){var length=checked(buffer.length)|0;that=allocate(that,length);buffer.copy(that,0,0,length);return that}function fromArray(that,array){var length=checked(array.length)|0;that=allocate(that,length);for(var i=0;i<length;i+=1){that[i]=array[i]&255}return that}function fromTypedArray(that,array){var length=checked(array.length)|0;that=allocate(that,length);for(var i=0;i<length;i+=1){that[i]=array[i]&255}return that}function fromArrayBuffer(that,array){if(Buffer.TYPED_ARRAY_SUPPORT){array.byteLength;that=Buffer._augment(new Uint8Array(array))}else{that=fromTypedArray(that,new Uint8Array(array))}return that}function fromArrayLike(that,array){var length=checked(array.length)|0;that=allocate(that,length);for(var i=0;i<length;i+=1){that[i]=array[i]&255}return that}function fromJsonObject(that,object){var array;var length=0;if(object.type==="Buffer"&&isArray(object.data)){array=object.data;length=checked(array.length)|0}that=allocate(that,length);for(var i=0;i<length;i+=1){that[i]=array[i]&255}return that}if(Buffer.TYPED_ARRAY_SUPPORT){Buffer.prototype.__proto__=Uint8Array.prototype;Buffer.__proto__=Uint8Array}else{Buffer.prototype.length=undefined;Buffer.prototype.parent=undefined}function allocate(that,length){if(Buffer.TYPED_ARRAY_SUPPORT){that=Buffer._augment(new Uint8Array(length));that.__proto__=Buffer.prototype}else{that.length=length;that._isBuffer=true}var fromPool=length!==0&&length<=Buffer.poolSize>>>1;if(fromPool)that.parent=rootParent;return that}function checked(length){if(length>=kMaxLength()){throw new RangeError("Attempt to allocate Buffer larger than maximum "+"size: 0x"+kMaxLength().toString(16)+" bytes")}return length|0}function SlowBuffer(subject,encoding){if(!(this instanceof SlowBuffer))return new SlowBuffer(subject,encoding);var buf=new Buffer(subject,encoding);delete buf.parent;return buf}Buffer.isBuffer=function isBuffer(b){return!!(b!=null&&b._isBuffer)};Buffer.compare=function compare(a,b){if(!Buffer.isBuffer(a)||!Buffer.isBuffer(b)){throw new TypeError("Arguments must be Buffers")}if(a===b)return 0;var x=a.length;var y=b.length;var i=0;var len=Math.min(x,y);while(i<len){if(a[i]!==b[i])break;++i}if(i!==len){x=a[i];y=b[i]}if(x<y)return-1;if(y<x)return 1;return 0};Buffer.isEncoding=function isEncoding(encoding){switch(String(encoding).toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"raw":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return true;default:return false}};Buffer.concat=function concat(list,length){if(!isArray(list))throw new TypeError("list argument must be an Array of Buffers.");if(list.length===0){return new Buffer(0)}var i;if(length===undefined){length=0;for(i=0;i<list.length;i++){length+=list[i].length}}var buf=new Buffer(length);var pos=0;for(i=0;i<list.length;i++){var item=list[i];item.copy(buf,pos);pos+=item.length}return buf};function byteLength(string,encoding){if(typeof string!=="string")string=""+string;var len=string.length;if(len===0)return 0;var loweredCase=false;for(;;){switch(encoding){case"ascii":case"binary":case"raw":case"raws":return len;case"utf8":case"utf-8":return utf8ToBytes(string).length;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return len*2;case"hex":return len>>>1;case"base64":return base64ToBytes(string).length;default:if(loweredCase)return utf8ToBytes(string).length;encoding=(""+encoding).toLowerCase();loweredCase=true}}}Buffer.byteLength=byteLength;function slowToString(encoding,start,end){var loweredCase=false;start=start|0;end=end===undefined||end===Infinity?this.length:end|0;if(!encoding)encoding="utf8";if(start<0)start=0;if(end>this.length)end=this.length;if(end<=start)return"";while(true){switch(encoding){case"hex":return hexSlice(this,start,end);case"utf8":case"utf-8":return utf8Slice(this,start,end);case"ascii":return asciiSlice(this,start,end);case"binary":return binarySlice(this,start,end);case"base64":return base64Slice(this,start,end);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return utf16leSlice(this,start,end);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(encoding+"").toLowerCase();loweredCase=true}}}Buffer.prototype.toString=function toString(){var length=this.length|0;if(length===0)return"";if(arguments.length===0)return utf8Slice(this,0,length);return slowToString.apply(this,arguments)};Buffer.prototype.equals=function equals(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");if(this===b)return true;return Buffer.compare(this,b)===0};Buffer.prototype.inspect=function inspect(){var str="";var max=exports.INSPECT_MAX_BYTES;if(this.length>0){str=this.toString("hex",0,max).match(/.{2}/g).join(" ");if(this.length>max)str+=" ... "}return"<Buffer "+str+">"};Buffer.prototype.compare=function compare(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");if(this===b)return 0;return Buffer.compare(this,b)};Buffer.prototype.indexOf=function indexOf(val,byteOffset){if(byteOffset>2147483647)byteOffset=2147483647;else if(byteOffset<-2147483648)byteOffset=-2147483648;byteOffset>>=0;if(this.length===0)return-1;if(byteOffset>=this.length)return-1;if(byteOffset<0)byteOffset=Math.max(this.length+byteOffset,0);if(typeof val==="string"){if(val.length===0)return-1;return String.prototype.indexOf.call(this,val,byteOffset)}if(Buffer.isBuffer(val)){return arrayIndexOf(this,val,byteOffset)}if(typeof val==="number"){if(Buffer.TYPED_ARRAY_SUPPORT&&Uint8Array.prototype.indexOf==="function"){return Uint8Array.prototype.indexOf.call(this,val,byteOffset)}return arrayIndexOf(this,[val],byteOffset)}function arrayIndexOf(arr,val,byteOffset){var foundIndex=-1;for(var i=0;byteOffset+i<arr.length;i++){if(arr[byteOffset+i]===val[foundIndex===-1?0:i-foundIndex]){if(foundIndex===-1)foundIndex=i;if(i-foundIndex+1===val.length)return byteOffset+foundIndex}else{foundIndex=-1}}return-1}throw new TypeError("val must be string, number or Buffer")};Buffer.prototype.get=function get(offset){console.log(".get() is deprecated. Access using array indexes instead.");return this.readUInt8(offset)};Buffer.prototype.set=function set(v,offset){console.log(".set() is deprecated. Access using array indexes instead.");return this.writeUInt8(v,offset)};function hexWrite(buf,string,offset,length){offset=Number(offset)||0;var remaining=buf.length-offset;if(!length){length=remaining}else{length=Number(length);if(length>remaining){length=remaining}}var strLen=string.length;if(strLen%2!==0)throw new Error("Invalid hex string");if(length>strLen/2){length=strLen/2}for(var i=0;i<length;i++){var parsed=parseInt(string.substr(i*2,2),16);if(isNaN(parsed))throw new Error("Invalid hex string");buf[offset+i]=parsed}return i}function utf8Write(buf,string,offset,length){return blitBuffer(utf8ToBytes(string,buf.length-offset),buf,offset,length)}function asciiWrite(buf,string,offset,length){return blitBuffer(asciiToBytes(string),buf,offset,length)}function binaryWrite(buf,string,offset,length){return asciiWrite(buf,string,offset,length)}function base64Write(buf,string,offset,length){return blitBuffer(base64ToBytes(string),buf,offset,length)}function ucs2Write(buf,string,offset,length){return blitBuffer(utf16leToBytes(string,buf.length-offset),buf,offset,length)}Buffer.prototype.write=function write(string,offset,length,encoding){if(offset===undefined){encoding="utf8";length=this.length;offset=0}else if(length===undefined&&typeof offset==="string"){encoding=offset;length=this.length;offset=0}else if(isFinite(offset)){offset=offset|0;if(isFinite(length)){length=length|0;if(encoding===undefined)encoding="utf8"}else{encoding=length;length=undefined}}else{var swap=encoding;encoding=offset;offset=length|0;length=swap}var remaining=this.length-offset;if(length===undefined||length>remaining)length=remaining;if(string.length>0&&(length<0||offset<0)||offset>this.length){throw new RangeError("attempt to write outside buffer bounds")}if(!encoding)encoding="utf8";var loweredCase=false;for(;;){switch(encoding){case"hex":return hexWrite(this,string,offset,length);case"utf8":case"utf-8":return utf8Write(this,string,offset,length);case"ascii":return asciiWrite(this,string,offset,length);case"binary":return binaryWrite(this,string,offset,length);case"base64":return base64Write(this,string,offset,length);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return ucs2Write(this,string,offset,length);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(""+encoding).toLowerCase();loweredCase=true}}};Buffer.prototype.toJSON=function toJSON(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};function base64Slice(buf,start,end){if(start===0&&end===buf.length){return base64.fromByteArray(buf)}else{return base64.fromByteArray(buf.slice(start,end))}}function utf8Slice(buf,start,end){end=Math.min(buf.length,end);var res=[];var i=start;while(i<end){var firstByte=buf[i];var codePoint=null;var bytesPerSequence=firstByte>239?4:firstByte>223?3:firstByte>191?2:1;if(i+bytesPerSequence<=end){var secondByte,thirdByte,fourthByte,tempCodePoint;switch(bytesPerSequence){case 1:if(firstByte<128){codePoint=firstByte}break;case 2:secondByte=buf[i+1];if((secondByte&192)===128){tempCodePoint=(firstByte&31)<<6|secondByte&63;if(tempCodePoint>127){codePoint=tempCodePoint}}break;case 3:secondByte=buf[i+1];thirdByte=buf[i+2];if((secondByte&192)===128&&(thirdByte&192)===128){tempCodePoint=(firstByte&15)<<12|(secondByte&63)<<6|thirdByte&63;if(tempCodePoint>2047&&(tempCodePoint<55296||tempCodePoint>57343)){codePoint=tempCodePoint}}break;case 4:secondByte=buf[i+1];thirdByte=buf[i+2];fourthByte=buf[i+3];if((secondByte&192)===128&&(thirdByte&192)===128&&(fourthByte&192)===128){tempCodePoint=(firstByte&15)<<18|(secondByte&63)<<12|(thirdByte&63)<<6|fourthByte&63;if(tempCodePoint>65535&&tempCodePoint<1114112){codePoint=tempCodePoint}}}}if(codePoint===null){codePoint=65533;bytesPerSequence=1}else if(codePoint>65535){codePoint-=65536;res.push(codePoint>>>10&1023|55296);codePoint=56320|codePoint&1023}res.push(codePoint);i+=bytesPerSequence}return decodeCodePointsArray(res)}var MAX_ARGUMENTS_LENGTH=4096;function decodeCodePointsArray(codePoints){var len=codePoints.length;if(len<=MAX_ARGUMENTS_LENGTH){return String.fromCharCode.apply(String,codePoints)}var res="";var i=0;while(i<len){res+=String.fromCharCode.apply(String,codePoints.slice(i,i+=MAX_ARGUMENTS_LENGTH))}return res}function asciiSlice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;i++){ret+=String.fromCharCode(buf[i]&127)}return ret}function binarySlice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;i++){ret+=String.fromCharCode(buf[i])}return ret}function hexSlice(buf,start,end){var len=buf.length;if(!start||start<0)start=0;if(!end||end<0||end>len)end=len;var out="";for(var i=start;i<end;i++){out+=toHex(buf[i])}return out}function utf16leSlice(buf,start,end){var bytes=buf.slice(start,end);var res="";for(var i=0;i<bytes.length;i+=2){res+=String.fromCharCode(bytes[i]+bytes[i+1]*256)}return res}Buffer.prototype.slice=function slice(start,end){var len=this.length;start=~~start;end=end===undefined?len:~~end;if(start<0){start+=len;if(start<0)start=0}else if(start>len){start=len}if(end<0){end+=len;if(end<0)end=0}else if(end>len){end=len}if(end<start)end=start;var newBuf;if(Buffer.TYPED_ARRAY_SUPPORT){newBuf=Buffer._augment(this.subarray(start,end))}else{var sliceLen=end-start;newBuf=new Buffer(sliceLen,undefined);for(var i=0;i<sliceLen;i++){newBuf[i]=this[i+start]}}if(newBuf.length)newBuf.parent=this.parent||this;return newBuf};function checkOffset(offset,ext,length){if(offset%1!==0||offset<0)throw new RangeError("offset is not uint");if(offset+ext>length)throw new RangeError("Trying to access beyond buffer length")}Buffer.prototype.readUIntLE=function readUIntLE(offset,byteLength,noAssert){offset=offset|0;byteLength=byteLength|0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256)){val+=this[offset+i]*mul}return val};Buffer.prototype.readUIntBE=function readUIntBE(offset,byteLength,noAssert){offset=offset|0;byteLength=byteLength|0;if(!noAssert){checkOffset(offset,byteLength,this.length)}var val=this[offset+--byteLength];var mul=1;while(byteLength>0&&(mul*=256)){val+=this[offset+--byteLength]*mul}return val};Buffer.prototype.readUInt8=function readUInt8(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);return this[offset]};Buffer.prototype.readUInt16LE=function readUInt16LE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]|this[offset+1]<<8};Buffer.prototype.readUInt16BE=function readUInt16BE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]<<8|this[offset+1]};Buffer.prototype.readUInt32LE=function readUInt32LE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return(this[offset]|this[offset+1]<<8|this[offset+2]<<16)+this[offset+3]*16777216};Buffer.prototype.readUInt32BE=function readUInt32BE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]*16777216+(this[offset+1]<<16|this[offset+2]<<8|this[offset+3])};Buffer.prototype.readIntLE=function readIntLE(offset,byteLength,noAssert){offset=offset|0;byteLength=byteLength|0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256)){val+=this[offset+i]*mul}mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readIntBE=function readIntBE(offset,byteLength,noAssert){offset=offset|0;byteLength=byteLength|0;if(!noAssert)checkOffset(offset,byteLength,this.length);var i=byteLength;var mul=1;var val=this[offset+--i];while(i>0&&(mul*=256)){val+=this[offset+--i]*mul}mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readInt8=function readInt8(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);if(!(this[offset]&128))return this[offset];return(255-this[offset]+1)*-1};Buffer.prototype.readInt16LE=function readInt16LE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset]|this[offset+1]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt16BE=function readInt16BE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset+1]|this[offset]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt32LE=function readInt32LE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]|this[offset+1]<<8|this[offset+2]<<16|this[offset+3]<<24};Buffer.prototype.readInt32BE=function readInt32BE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]<<24|this[offset+1]<<16|this[offset+2]<<8|this[offset+3]};Buffer.prototype.readFloatLE=function readFloatLE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,true,23,4)};Buffer.prototype.readFloatBE=function readFloatBE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,false,23,4)};Buffer.prototype.readDoubleLE=function readDoubleLE(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,true,52,8)};Buffer.prototype.readDoubleBE=function readDoubleBE(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,false,52,8)};function checkInt(buf,value,offset,ext,max,min){if(!Buffer.isBuffer(buf))throw new TypeError("buffer must be a Buffer instance");if(value>max||value<min)throw new RangeError("value is out of bounds");if(offset+ext>buf.length)throw new RangeError("index out of range")}Buffer.prototype.writeUIntLE=function writeUIntLE(value,offset,byteLength,noAssert){value=+value;offset=offset|0;byteLength=byteLength|0;if(!noAssert)checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength),0);var mul=1;var i=0;this[offset]=value&255;while(++i<byteLength&&(mul*=256)){this[offset+i]=value/mul&255}return offset+byteLength};Buffer.prototype.writeUIntBE=function writeUIntBE(value,offset,byteLength,noAssert){value=+value;offset=offset|0;byteLength=byteLength|0;if(!noAssert)checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength),0);var i=byteLength-1;var mul=1;this[offset+i]=value&255;while(--i>=0&&(mul*=256)){this[offset+i]=value/mul&255}return offset+byteLength};Buffer.prototype.writeUInt8=function writeUInt8(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,1,255,0);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);this[offset]=value&255;return offset+1};function objectWriteUInt16(buf,value,offset,littleEndian){if(value<0)value=65535+value+1;for(var i=0,j=Math.min(buf.length-offset,2);i<j;i++){buf[offset+i]=(value&255<<8*(littleEndian?i:1-i))>>>(littleEndian?i:1-i)*8}}Buffer.prototype.writeUInt16LE=function writeUInt16LE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value&255;this[offset+1]=value>>>8}else{objectWriteUInt16(this,value,offset,true)}return offset+2};Buffer.prototype.writeUInt16BE=function writeUInt16BE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value&255}else{objectWriteUInt16(this,value,offset,false)}return offset+2};function objectWriteUInt32(buf,value,offset,littleEndian){if(value<0)value=4294967295+value+1;for(var i=0,j=Math.min(buf.length-offset,4);i<j;i++){buf[offset+i]=value>>>(littleEndian?i:3-i)*8&255}}Buffer.prototype.writeUInt32LE=function writeUInt32LE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset+3]=value>>>24;this[offset+2]=value>>>16;this[offset+1]=value>>>8;this[offset]=value&255}else{objectWriteUInt32(this,value,offset,true)}return offset+4};Buffer.prototype.writeUInt32BE=function writeUInt32BE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value&255}else{objectWriteUInt32(this,value,offset,false)}return offset+4};Buffer.prototype.writeIntLE=function writeIntLE(value,offset,byteLength,noAssert){value=+value;offset=offset|0;if(!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=0;var mul=1;var sub=value<0?1:0;this[offset]=value&255;while(++i<byteLength&&(mul*=256)){this[offset+i]=(value/mul>>0)-sub&255}return offset+byteLength};Buffer.prototype.writeIntBE=function writeIntBE(value,offset,byteLength,noAssert){value=+value;offset=offset|0;if(!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=byteLength-1;var mul=1;var sub=value<0?1:0;this[offset+i]=value&255;while(--i>=0&&(mul*=256)){this[offset+i]=(value/mul>>0)-sub&255}return offset+byteLength};Buffer.prototype.writeInt8=function writeInt8(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,1,127,-128);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);if(value<0)value=255+value+1;this[offset]=value&255;return offset+1};Buffer.prototype.writeInt16LE=function writeInt16LE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value&255;this[offset+1]=value>>>8}else{objectWriteUInt16(this,value,offset,true)}return offset+2};Buffer.prototype.writeInt16BE=function writeInt16BE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value&255}else{objectWriteUInt16(this,value,offset,false)}return offset+2};Buffer.prototype.writeInt32LE=function writeInt32LE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value&255;this[offset+1]=value>>>8;this[offset+2]=value>>>16;this[offset+3]=value>>>24}else{objectWriteUInt32(this,value,offset,true)}return offset+4};Buffer.prototype.writeInt32BE=function writeInt32BE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(value<0)value=4294967295+value+1;if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value&255}else{objectWriteUInt32(this,value,offset,false)}return offset+4};function checkIEEE754(buf,value,offset,ext,max,min){if(value>max||value<min)throw new RangeError("value is out of bounds");if(offset+ext>buf.length)throw new RangeError("index out of range");if(offset<0)throw new RangeError("index out of range")}function writeFloat(buf,value,offset,littleEndian,noAssert){if(!noAssert){checkIEEE754(buf,value,offset,4,3.4028234663852886e38,-3.4028234663852886e38)}ieee754.write(buf,value,offset,littleEndian,23,4);return offset+4}Buffer.prototype.writeFloatLE=function writeFloatLE(value,offset,noAssert){return writeFloat(this,value,offset,true,noAssert)};Buffer.prototype.writeFloatBE=function writeFloatBE(value,offset,noAssert){return writeFloat(this,value,offset,false,noAssert)};function writeDouble(buf,value,offset,littleEndian,noAssert){if(!noAssert){checkIEEE754(buf,value,offset,8,1.7976931348623157e308,-1.7976931348623157e308)}ieee754.write(buf,value,offset,littleEndian,52,8);return offset+8}Buffer.prototype.writeDoubleLE=function writeDoubleLE(value,offset,noAssert){return writeDouble(this,value,offset,true,noAssert)};Buffer.prototype.writeDoubleBE=function writeDoubleBE(value,offset,noAssert){return writeDouble(this,value,offset,false,noAssert)};Buffer.prototype.copy=function copy(target,targetStart,start,end){if(!start)start=0;if(!end&&end!==0)end=this.length;if(targetStart>=target.length)targetStart=target.length;if(!targetStart)targetStart=0;if(end>0&&end<start)end=start;if(end===start)return 0;if(target.length===0||this.length===0)return 0;if(targetStart<0){throw new RangeError("targetStart out of bounds")}if(start<0||start>=this.length)throw new RangeError("sourceStart out of bounds");if(end<0)throw new RangeError("sourceEnd out of bounds");if(end>this.length)end=this.length;if(target.length-targetStart<end-start){end=target.length-targetStart+start}var len=end-start;var i;if(this===target&&start<targetStart&&targetStart<end){for(i=len-1;i>=0;i--){target[i+targetStart]=this[i+start]}}else if(len<1e3||!Buffer.TYPED_ARRAY_SUPPORT){for(i=0;i<len;i++){target[i+targetStart]=this[i+start]}}else{target._set(this.subarray(start,start+len),targetStart)}return len};Buffer.prototype.fill=function fill(value,start,end){if(!value)value=0;if(!start)start=0;if(!end)end=this.length;if(end<start)throw new RangeError("end < start");if(end===start)return;if(this.length===0)return;if(start<0||start>=this.length)throw new RangeError("start out of bounds");if(end<0||end>this.length)throw new RangeError("end out of bounds");var i;if(typeof value==="number"){for(i=start;i<end;i++){this[i]=value}}else{var bytes=utf8ToBytes(value.toString());var len=bytes.length;for(i=start;i<end;i++){this[i]=bytes[i%len]}}return this};Buffer.prototype.toArrayBuffer=function toArrayBuffer(){if(typeof Uint8Array!=="undefined"){if(Buffer.TYPED_ARRAY_SUPPORT){return new Buffer(this).buffer}else{var buf=new Uint8Array(this.length);for(var i=0,len=buf.length;i<len;i+=1){buf[i]=this[i]}return buf.buffer}}else{throw new TypeError("Buffer.toArrayBuffer not supported in this browser")}};var BP=Buffer.prototype;Buffer._augment=function _augment(arr){arr.constructor=Buffer;arr._isBuffer=true;arr._set=arr.set;arr.get=BP.get;arr.set=BP.set;arr.write=BP.write;arr.toString=BP.toString;arr.toLocaleString=BP.toString;arr.toJSON=BP.toJSON;arr.equals=BP.equals;arr.compare=BP.compare;arr.indexOf=BP.indexOf;arr.copy=BP.copy;arr.slice=BP.slice;arr.readUIntLE=BP.readUIntLE;arr.readUIntBE=BP.readUIntBE;arr.readUInt8=BP.readUInt8;arr.readUInt16LE=BP.readUInt16LE;arr.readUInt16BE=BP.readUInt16BE;arr.readUInt32LE=BP.readUInt32LE;arr.readUInt32BE=BP.readUInt32BE;arr.readIntLE=BP.readIntLE;arr.readIntBE=BP.readIntBE;arr.readInt8=BP.readInt8;arr.readInt16LE=BP.readInt16LE;arr.readInt16BE=BP.readInt16BE;arr.readInt32LE=BP.readInt32LE;arr.readInt32BE=BP.readInt32BE;arr.readFloatLE=BP.readFloatLE;arr.readFloatBE=BP.readFloatBE;arr.readDoubleLE=BP.readDoubleLE;arr.readDoubleBE=BP.readDoubleBE;arr.writeUInt8=BP.writeUInt8;arr.writeUIntLE=BP.writeUIntLE;arr.writeUIntBE=BP.writeUIntBE;arr.writeUInt16LE=BP.writeUInt16LE;arr.writeUInt16BE=BP.writeUInt16BE;arr.writeUInt32LE=BP.writeUInt32LE;arr.writeUInt32BE=BP.writeUInt32BE;arr.writeIntLE=BP.writeIntLE;arr.writeIntBE=BP.writeIntBE;arr.writeInt8=BP.writeInt8;arr.writeInt16LE=BP.writeInt16LE;arr.writeInt16BE=BP.writeInt16BE;arr.writeInt32LE=BP.writeInt32LE;arr.writeInt32BE=BP.writeInt32BE;arr.writeFloatLE=BP.writeFloatLE;arr.writeFloatBE=BP.writeFloatBE;arr.writeDoubleLE=BP.writeDoubleLE;arr.writeDoubleBE=BP.writeDoubleBE;arr.fill=BP.fill;arr.inspect=BP.inspect;arr.toArrayBuffer=BP.toArrayBuffer;return arr};var INVALID_BASE64_RE=/[^+\/0-9A-Za-z-_]/g;function base64clean(str){str=stringtrim(str).replace(INVALID_BASE64_RE,"");if(str.length<2)return"";while(str.length%4!==0){str=str+"="}return str}function stringtrim(str){if(str.trim)return str.trim();return str.replace(/^\s+|\s+$/g,"")}function toHex(n){if(n<16)return"0"+n.toString(16);return n.toString(16)}function utf8ToBytes(string,units){units=units||Infinity;var codePoint;var length=string.length;var leadSurrogate=null;var bytes=[];for(var i=0;i<length;i++){codePoint=string.charCodeAt(i);if(codePoint>55295&&codePoint<57344){if(!leadSurrogate){if(codePoint>56319){if((units-=3)>-1)bytes.push(239,191,189);continue}else if(i+1===length){if((units-=3)>-1)bytes.push(239,191,189);continue}leadSurrogate=codePoint;continue}if(codePoint<56320){if((units-=3)>-1)bytes.push(239,191,189);leadSurrogate=codePoint;continue}codePoint=(leadSurrogate-55296<<10|codePoint-56320)+65536}else if(leadSurrogate){if((units-=3)>-1)bytes.push(239,191,189)}leadSurrogate=null;if(codePoint<128){if((units-=1)<0)break;bytes.push(codePoint)}else if(codePoint<2048){if((units-=2)<0)break;bytes.push(codePoint>>6|192,codePoint&63|128)}else if(codePoint<65536){if((units-=3)<0)break;bytes.push(codePoint>>12|224,codePoint>>6&63|128,codePoint&63|128)}else if(codePoint<1114112){if((units-=4)<0)break;bytes.push(codePoint>>18|240,codePoint>>12&63|128,codePoint>>6&63|128,codePoint&63|128)}else{throw new Error("Invalid code point")}}return bytes}function asciiToBytes(str){var byteArray=[];for(var i=0;i<str.length;i++){byteArray.push(str.charCodeAt(i)&255)}return byteArray}function utf16leToBytes(str,units){var c,hi,lo;var byteArray=[];for(var i=0;i<str.length;i++){if((units-=2)<0)break;c=str.charCodeAt(i);hi=c>>8;lo=c%256;byteArray.push(lo);byteArray.push(hi)}return byteArray}function base64ToBytes(str){return base64.toByteArray(base64clean(str))}function blitBuffer(src,dst,offset,length){for(var i=0;i<length;i++){if(i+offset>=dst.length||i>=src.length)break;dst[i+offset]=src[i]}return i}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"base64-js":3,ieee754:4,isarray:5}],3:[function(require,module,exports){var lookup="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";(function(exports){"use strict";var Arr=typeof Uint8Array!=="undefined"?Uint8Array:Array;var PLUS="+".charCodeAt(0);var SLASH="/".charCodeAt(0);var NUMBER="0".charCodeAt(0);var LOWER="a".charCodeAt(0);var UPPER="A".charCodeAt(0);var PLUS_URL_SAFE="-".charCodeAt(0);var SLASH_URL_SAFE="_".charCodeAt(0);function decode(elt){var code=elt.charCodeAt(0);if(code===PLUS||code===PLUS_URL_SAFE)return 62;if(code===SLASH||code===SLASH_URL_SAFE)return 63;if(code<NUMBER)return-1;if(code<NUMBER+10)return code-NUMBER+26+26;if(code<UPPER+26)return code-UPPER;if(code<LOWER+26)return code-LOWER+26}function b64ToByteArray(b64){var i,j,l,tmp,placeHolders,arr;if(b64.length%4>0){throw new Error("Invalid string. Length must be a multiple of 4")}var len=b64.length;placeHolders="="===b64.charAt(len-2)?2:"="===b64.charAt(len-1)?1:0;arr=new Arr(b64.length*3/4-placeHolders);l=placeHolders>0?b64.length-4:b64.length;var L=0;function push(v){arr[L++]=v}for(i=0,j=0;i<l;i+=4,j+=3){tmp=decode(b64.charAt(i))<<18|decode(b64.charAt(i+1))<<12|decode(b64.charAt(i+2))<<6|decode(b64.charAt(i+3));push((tmp&16711680)>>16);push((tmp&65280)>>8);push(tmp&255)}if(placeHolders===2){tmp=decode(b64.charAt(i))<<2|decode(b64.charAt(i+1))>>4;push(tmp&255)}else if(placeHolders===1){tmp=decode(b64.charAt(i))<<10|decode(b64.charAt(i+1))<<4|decode(b64.charAt(i+2))>>2;push(tmp>>8&255);push(tmp&255)}return arr}function uint8ToBase64(uint8){var i,extraBytes=uint8.length%3,output="",temp,length;function encode(num){return lookup.charAt(num)}function tripletToBase64(num){return encode(num>>18&63)+encode(num>>12&63)+encode(num>>6&63)+encode(num&63)}for(i=0,length=uint8.length-extraBytes;i<length;i+=3){temp=(uint8[i]<<16)+(uint8[i+1]<<8)+uint8[i+2];output+=tripletToBase64(temp)}switch(extraBytes){case 1:temp=uint8[uint8.length-1]; | |
output+=encode(temp>>2);output+=encode(temp<<4&63);output+="==";break;case 2:temp=(uint8[uint8.length-2]<<8)+uint8[uint8.length-1];output+=encode(temp>>10);output+=encode(temp>>4&63);output+=encode(temp<<2&63);output+="=";break}return output}exports.toByteArray=b64ToByteArray;exports.fromByteArray=uint8ToBase64})(typeof exports==="undefined"?this.base64js={}:exports)},{}],4:[function(require,module,exports){exports.read=function(buffer,offset,isLE,mLen,nBytes){var e,m;var eLen=nBytes*8-mLen-1;var eMax=(1<<eLen)-1;var eBias=eMax>>1;var nBits=-7;var i=isLE?nBytes-1:0;var d=isLE?-1:1;var s=buffer[offset+i];i+=d;e=s&(1<<-nBits)-1;s>>=-nBits;nBits+=eLen;for(;nBits>0;e=e*256+buffer[offset+i],i+=d,nBits-=8){}m=e&(1<<-nBits)-1;e>>=-nBits;nBits+=mLen;for(;nBits>0;m=m*256+buffer[offset+i],i+=d,nBits-=8){}if(e===0){e=1-eBias}else if(e===eMax){return m?NaN:(s?-1:1)*Infinity}else{m=m+Math.pow(2,mLen);e=e-eBias}return(s?-1:1)*m*Math.pow(2,e-mLen)};exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var e,m,c;var eLen=nBytes*8-mLen-1;var eMax=(1<<eLen)-1;var eBias=eMax>>1;var rt=mLen===23?Math.pow(2,-24)-Math.pow(2,-77):0;var i=isLE?0:nBytes-1;var d=isLE?1:-1;var s=value<0||value===0&&1/value<0?1:0;value=Math.abs(value);if(isNaN(value)||value===Infinity){m=isNaN(value)?1:0;e=eMax}else{e=Math.floor(Math.log(value)/Math.LN2);if(value*(c=Math.pow(2,-e))<1){e--;c*=2}if(e+eBias>=1){value+=rt/c}else{value+=rt*Math.pow(2,1-eBias)}if(value*c>=2){e++;c/=2}if(e+eBias>=eMax){m=0;e=eMax}else if(e+eBias>=1){m=(value*c-1)*Math.pow(2,mLen);e=e+eBias}else{m=value*Math.pow(2,eBias-1)*Math.pow(2,mLen);e=0}}for(;mLen>=8;buffer[offset+i]=m&255,i+=d,m/=256,mLen-=8){}e=e<<mLen|m;eLen+=mLen;for(;eLen>0;buffer[offset+i]=e&255,i+=d,e/=256,eLen-=8){}buffer[offset+i-d]|=s*128}},{}],5:[function(require,module,exports){var toString={}.toString;module.exports=Array.isArray||function(arr){return toString.call(arr)=="[object Array]"}},{}],6:[function(require,module,exports){function EventEmitter(){this._events=this._events||{};this._maxListeners=this._maxListeners||undefined}module.exports=EventEmitter;EventEmitter.EventEmitter=EventEmitter;EventEmitter.prototype._events=undefined;EventEmitter.prototype._maxListeners=undefined;EventEmitter.defaultMaxListeners=10;EventEmitter.prototype.setMaxListeners=function(n){if(!isNumber(n)||n<0||isNaN(n))throw TypeError("n must be a positive number");this._maxListeners=n;return this};EventEmitter.prototype.emit=function(type){var er,handler,len,args,i,listeners;if(!this._events)this._events={};if(type==="error"){if(!this._events.error||isObject(this._events.error)&&!this._events.error.length){er=arguments[1];if(er instanceof Error){throw er}throw TypeError('Uncaught, unspecified "error" event.')}}handler=this._events[type];if(isUndefined(handler))return false;if(isFunction(handler)){switch(arguments.length){case 1:handler.call(this);break;case 2:handler.call(this,arguments[1]);break;case 3:handler.call(this,arguments[1],arguments[2]);break;default:len=arguments.length;args=new Array(len-1);for(i=1;i<len;i++)args[i-1]=arguments[i];handler.apply(this,args)}}else if(isObject(handler)){len=arguments.length;args=new Array(len-1);for(i=1;i<len;i++)args[i-1]=arguments[i];listeners=handler.slice();len=listeners.length;for(i=0;i<len;i++)listeners[i].apply(this,args)}return true};EventEmitter.prototype.addListener=function(type,listener){var m;if(!isFunction(listener))throw TypeError("listener must be a function");if(!this._events)this._events={};if(this._events.newListener)this.emit("newListener",type,isFunction(listener.listener)?listener.listener:listener);if(!this._events[type])this._events[type]=listener;else if(isObject(this._events[type]))this._events[type].push(listener);else this._events[type]=[this._events[type],listener];if(isObject(this._events[type])&&!this._events[type].warned){var m;if(!isUndefined(this._maxListeners)){m=this._maxListeners}else{m=EventEmitter.defaultMaxListeners}if(m&&m>0&&this._events[type].length>m){this._events[type].warned=true;console.error("(node) warning: possible EventEmitter memory "+"leak detected. %d listeners added. "+"Use emitter.setMaxListeners() to increase limit.",this._events[type].length);if(typeof console.trace==="function"){console.trace()}}}return this};EventEmitter.prototype.on=EventEmitter.prototype.addListener;EventEmitter.prototype.once=function(type,listener){if(!isFunction(listener))throw TypeError("listener must be a function");var fired=false;function g(){this.removeListener(type,g);if(!fired){fired=true;listener.apply(this,arguments)}}g.listener=listener;this.on(type,g);return this};EventEmitter.prototype.removeListener=function(type,listener){var list,position,length,i;if(!isFunction(listener))throw TypeError("listener must be a function");if(!this._events||!this._events[type])return this;list=this._events[type];length=list.length;position=-1;if(list===listener||isFunction(list.listener)&&list.listener===listener){delete this._events[type];if(this._events.removeListener)this.emit("removeListener",type,listener)}else if(isObject(list)){for(i=length;i-- >0;){if(list[i]===listener||list[i].listener&&list[i].listener===listener){position=i;break}}if(position<0)return this;if(list.length===1){list.length=0;delete this._events[type]}else{list.splice(position,1)}if(this._events.removeListener)this.emit("removeListener",type,listener)}return this};EventEmitter.prototype.removeAllListeners=function(type){var key,listeners;if(!this._events)return this;if(!this._events.removeListener){if(arguments.length===0)this._events={};else if(this._events[type])delete this._events[type];return this}if(arguments.length===0){for(key in this._events){if(key==="removeListener")continue;this.removeAllListeners(key)}this.removeAllListeners("removeListener");this._events={};return this}listeners=this._events[type];if(isFunction(listeners)){this.removeListener(type,listeners)}else{while(listeners.length)this.removeListener(type,listeners[listeners.length-1])}delete this._events[type];return this};EventEmitter.prototype.listeners=function(type){var ret;if(!this._events||!this._events[type])ret=[];else if(isFunction(this._events[type]))ret=[this._events[type]];else ret=this._events[type].slice();return ret};EventEmitter.listenerCount=function(emitter,type){var ret;if(!emitter._events||!emitter._events[type])ret=0;else if(isFunction(emitter._events[type]))ret=1;else ret=emitter._events[type].length;return ret};function isFunction(arg){return typeof arg==="function"}function isNumber(arg){return typeof arg==="number"}function isObject(arg){return typeof arg==="object"&&arg!==null}function isUndefined(arg){return arg===void 0}},{}],7:[function(require,module,exports){if(typeof Object.create==="function"){module.exports=function inherits(ctor,superCtor){ctor.super_=superCtor;ctor.prototype=Object.create(superCtor.prototype,{constructor:{value:ctor,enumerable:false,writable:true,configurable:true}})}}else{module.exports=function inherits(ctor,superCtor){ctor.super_=superCtor;var TempCtor=function(){};TempCtor.prototype=superCtor.prototype;ctor.prototype=new TempCtor;ctor.prototype.constructor=ctor}}},{}],8:[function(require,module,exports){module.exports=function(obj){return!!(obj!=null&&(obj._isBuffer||obj.constructor&&typeof obj.constructor.isBuffer==="function"&&obj.constructor.isBuffer(obj)))}},{}],9:[function(require,module,exports){module.exports=Array.isArray||function(arr){return Object.prototype.toString.call(arr)=="[object Array]"}},{}],10:[function(require,module,exports){var process=module.exports={};process.nextTick=function(){var canSetImmediate=typeof window!=="undefined"&&window.setImmediate;var canMutationObserver=typeof window!=="undefined"&&window.MutationObserver;var canPost=typeof window!=="undefined"&&window.postMessage&&window.addEventListener;if(canSetImmediate){return function(f){return window.setImmediate(f)}}var queue=[];if(canMutationObserver){var hiddenDiv=document.createElement("div");var observer=new MutationObserver(function(){var queueList=queue.slice();queue.length=0;queueList.forEach(function(fn){fn()})});observer.observe(hiddenDiv,{attributes:true});return function nextTick(fn){if(!queue.length){hiddenDiv.setAttribute("yes","no")}queue.push(fn)}}if(canPost){window.addEventListener("message",function(ev){var source=ev.source;if((source===window||source===null)&&ev.data==="process-tick"){ev.stopPropagation();if(queue.length>0){var fn=queue.shift();fn()}}},true);return function nextTick(fn){queue.push(fn);window.postMessage("process-tick","*")}}return function nextTick(fn){setTimeout(fn,0)}}();process.title="browser";process.browser=true;process.env={};process.argv=[];function noop(){}process.on=noop;process.addListener=noop;process.once=noop;process.off=noop;process.removeListener=noop;process.removeAllListeners=noop;process.emit=noop;process.binding=function(name){throw new Error("process.binding is not supported")};process.cwd=function(){return"/"};process.chdir=function(dir){throw new Error("process.chdir is not supported")}},{}],11:[function(require,module,exports){module.exports=require("./lib/_stream_duplex.js")},{"./lib/_stream_duplex.js":12}],12:[function(require,module,exports){(function(process){module.exports=Duplex;var objectKeys=Object.keys||function(obj){var keys=[];for(var key in obj)keys.push(key);return keys};var util=require("core-util-is");util.inherits=require("inherits");var Readable=require("./_stream_readable");var Writable=require("./_stream_writable");util.inherits(Duplex,Readable);forEach(objectKeys(Writable.prototype),function(method){if(!Duplex.prototype[method])Duplex.prototype[method]=Writable.prototype[method]});function Duplex(options){if(!(this instanceof Duplex))return new Duplex(options);Readable.call(this,options);Writable.call(this,options);if(options&&options.readable===false)this.readable=false;if(options&&options.writable===false)this.writable=false;this.allowHalfOpen=true;if(options&&options.allowHalfOpen===false)this.allowHalfOpen=false;this.once("end",onend)}function onend(){if(this.allowHalfOpen||this._writableState.ended)return;process.nextTick(this.end.bind(this))}function forEach(xs,f){for(var i=0,l=xs.length;i<l;i++){f(xs[i],i)}}}).call(this,require("_process"))},{"./_stream_readable":14,"./_stream_writable":16,_process:10,"core-util-is":17,inherits:7}],13:[function(require,module,exports){module.exports=PassThrough;var Transform=require("./_stream_transform");var util=require("core-util-is");util.inherits=require("inherits");util.inherits(PassThrough,Transform);function PassThrough(options){if(!(this instanceof PassThrough))return new PassThrough(options);Transform.call(this,options)}PassThrough.prototype._transform=function(chunk,encoding,cb){cb(null,chunk)}},{"./_stream_transform":15,"core-util-is":17,inherits:7}],14:[function(require,module,exports){(function(process){module.exports=Readable;var isArray=require("isarray");var Buffer=require("buffer").Buffer;Readable.ReadableState=ReadableState;var EE=require("events").EventEmitter;if(!EE.listenerCount)EE.listenerCount=function(emitter,type){return emitter.listeners(type).length};var Stream=require("stream");var util=require("core-util-is");util.inherits=require("inherits");var StringDecoder;var debug=require("util");if(debug&&debug.debuglog){debug=debug.debuglog("stream")}else{debug=function(){}}util.inherits(Readable,Stream);function ReadableState(options,stream){var Duplex=require("./_stream_duplex");options=options||{};var hwm=options.highWaterMark;var defaultHwm=options.objectMode?16:16*1024;this.highWaterMark=hwm||hwm===0?hwm:defaultHwm;this.highWaterMark=~~this.highWaterMark;this.buffer=[];this.length=0;this.pipes=null;this.pipesCount=0;this.flowing=null;this.ended=false;this.endEmitted=false;this.reading=false;this.sync=true;this.needReadable=false;this.emittedReadable=false;this.readableListening=false;this.objectMode=!!options.objectMode;if(stream instanceof Duplex)this.objectMode=this.objectMode||!!options.readableObjectMode;this.defaultEncoding=options.defaultEncoding||"utf8";this.ranOut=false;this.awaitDrain=0;this.readingMore=false;this.decoder=null;this.encoding=null;if(options.encoding){if(!StringDecoder)StringDecoder=require("string_decoder/").StringDecoder;this.decoder=new StringDecoder(options.encoding);this.encoding=options.encoding}}function Readable(options){var Duplex=require("./_stream_duplex");if(!(this instanceof Readable))return new Readable(options);this._readableState=new ReadableState(options,this);this.readable=true;Stream.call(this)}Readable.prototype.push=function(chunk,encoding){var state=this._readableState;if(util.isString(chunk)&&!state.objectMode){encoding=encoding||state.defaultEncoding;if(encoding!==state.encoding){chunk=new Buffer(chunk,encoding);encoding=""}}return readableAddChunk(this,state,chunk,encoding,false)};Readable.prototype.unshift=function(chunk){var state=this._readableState;return readableAddChunk(this,state,chunk,"",true)};function readableAddChunk(stream,state,chunk,encoding,addToFront){var er=chunkInvalid(state,chunk);if(er){stream.emit("error",er)}else if(util.isNullOrUndefined(chunk)){state.reading=false;if(!state.ended)onEofChunk(stream,state)}else if(state.objectMode||chunk&&chunk.length>0){if(state.ended&&!addToFront){var e=new Error("stream.push() after EOF");stream.emit("error",e)}else if(state.endEmitted&&addToFront){var e=new Error("stream.unshift() after end event");stream.emit("error",e)}else{if(state.decoder&&!addToFront&&!encoding)chunk=state.decoder.write(chunk);if(!addToFront)state.reading=false;if(state.flowing&&state.length===0&&!state.sync){stream.emit("data",chunk);stream.read(0)}else{state.length+=state.objectMode?1:chunk.length;if(addToFront)state.buffer.unshift(chunk);else state.buffer.push(chunk);if(state.needReadable)emitReadable(stream)}maybeReadMore(stream,state)}}else if(!addToFront){state.reading=false}return needMoreData(state)}function needMoreData(state){return!state.ended&&(state.needReadable||state.length<state.highWaterMark||state.length===0)}Readable.prototype.setEncoding=function(enc){if(!StringDecoder)StringDecoder=require("string_decoder/").StringDecoder;this._readableState.decoder=new StringDecoder(enc);this._readableState.encoding=enc;return this};var MAX_HWM=8388608;function roundUpToNextPowerOf2(n){if(n>=MAX_HWM){n=MAX_HWM}else{n--;for(var p=1;p<32;p<<=1)n|=n>>p;n++}return n}function howMuchToRead(n,state){if(state.length===0&&state.ended)return 0;if(state.objectMode)return n===0?0:1;if(isNaN(n)||util.isNull(n)){if(state.flowing&&state.buffer.length)return state.buffer[0].length;else return state.length}if(n<=0)return 0;if(n>state.highWaterMark)state.highWaterMark=roundUpToNextPowerOf2(n);if(n>state.length){if(!state.ended){state.needReadable=true;return 0}else return state.length}return n}Readable.prototype.read=function(n){debug("read",n);var state=this._readableState;var nOrig=n;if(!util.isNumber(n)||n>0)state.emittedReadable=false;if(n===0&&state.needReadable&&(state.length>=state.highWaterMark||state.ended)){debug("read: emitReadable",state.length,state.ended);if(state.length===0&&state.ended)endReadable(this);else emitReadable(this);return null}n=howMuchToRead(n,state);if(n===0&&state.ended){if(state.length===0)endReadable(this);return null}var doRead=state.needReadable;debug("need readable",doRead);if(state.length===0||state.length-n<state.highWaterMark){doRead=true;debug("length less than watermark",doRead)}if(state.ended||state.reading){doRead=false;debug("reading or ended",doRead)}if(doRead){debug("do read");state.reading=true;state.sync=true;if(state.length===0)state.needReadable=true;this._read(state.highWaterMark);state.sync=false}if(doRead&&!state.reading)n=howMuchToRead(nOrig,state);var ret;if(n>0)ret=fromList(n,state);else ret=null;if(util.isNull(ret)){state.needReadable=true;n=0}state.length-=n;if(state.length===0&&!state.ended)state.needReadable=true;if(nOrig!==n&&state.ended&&state.length===0)endReadable(this);if(!util.isNull(ret))this.emit("data",ret);return ret};function chunkInvalid(state,chunk){var er=null;if(!util.isBuffer(chunk)&&!util.isString(chunk)&&!util.isNullOrUndefined(chunk)&&!state.objectMode){er=new TypeError("Invalid non-string/buffer chunk")}return er}function onEofChunk(stream,state){if(state.decoder&&!state.ended){var chunk=state.decoder.end();if(chunk&&chunk.length){state.buffer.push(chunk);state.length+=state.objectMode?1:chunk.length}}state.ended=true;emitReadable(stream)}function emitReadable(stream){var state=stream._readableState;state.needReadable=false;if(!state.emittedReadable){debug("emitReadable",state.flowing);state.emittedReadable=true;if(state.sync)process.nextTick(function(){emitReadable_(stream)});else emitReadable_(stream)}}function emitReadable_(stream){debug("emit readable");stream.emit("readable");flow(stream)}function maybeReadMore(stream,state){if(!state.readingMore){state.readingMore=true;process.nextTick(function(){maybeReadMore_(stream,state)})}}function maybeReadMore_(stream,state){var len=state.length;while(!state.reading&&!state.flowing&&!state.ended&&state.length<state.highWaterMark){debug("maybeReadMore read 0");stream.read(0);if(len===state.length)break;else len=state.length}state.readingMore=false}Readable.prototype._read=function(n){this.emit("error",new Error("not implemented"))};Readable.prototype.pipe=function(dest,pipeOpts){var src=this;var state=this._readableState;switch(state.pipesCount){case 0:state.pipes=dest;break;case 1:state.pipes=[state.pipes,dest];break;default:state.pipes.push(dest);break}state.pipesCount+=1;debug("pipe count=%d opts=%j",state.pipesCount,pipeOpts);var doEnd=(!pipeOpts||pipeOpts.end!==false)&&dest!==process.stdout&&dest!==process.stderr;var endFn=doEnd?onend:cleanup;if(state.endEmitted)process.nextTick(endFn);else src.once("end",endFn);dest.on("unpipe",onunpipe);function onunpipe(readable){debug("onunpipe");if(readable===src){cleanup()}}function onend(){debug("onend");dest.end()}var ondrain=pipeOnDrain(src);dest.on("drain",ondrain);function cleanup(){debug("cleanup");dest.removeListener("close",onclose);dest.removeListener("finish",onfinish);dest.removeListener("drain",ondrain);dest.removeListener("error",onerror);dest.removeListener("unpipe",onunpipe);src.removeListener("end",onend);src.removeListener("end",cleanup);src.removeListener("data",ondata);if(state.awaitDrain&&(!dest._writableState||dest._writableState.needDrain))ondrain()}src.on("data",ondata);function ondata(chunk){debug("ondata");var ret=dest.write(chunk);if(false===ret){debug("false write response, pause",src._readableState.awaitDrain);src._readableState.awaitDrain++;src.pause()}}function onerror(er){debug("onerror",er);unpipe();dest.removeListener("error",onerror);if(EE.listenerCount(dest,"error")===0)dest.emit("error",er)}if(!dest._events||!dest._events.error)dest.on("error",onerror);else if(isArray(dest._events.error))dest._events.error.unshift(onerror);else dest._events.error=[onerror,dest._events.error];function onclose(){dest.removeListener("finish",onfinish);unpipe()}dest.once("close",onclose);function onfinish(){debug("onfinish");dest.removeListener("close",onclose);unpipe()}dest.once("finish",onfinish);function unpipe(){debug("unpipe");src.unpipe(dest)}dest.emit("pipe",src);if(!state.flowing){debug("pipe resume");src.resume()}return dest};function pipeOnDrain(src){return function(){var state=src._readableState;debug("pipeOnDrain",state.awaitDrain);if(state.awaitDrain)state.awaitDrain--;if(state.awaitDrain===0&&EE.listenerCount(src,"data")){state.flowing=true;flow(src)}}}Readable.prototype.unpipe=function(dest){var state=this._readableState;if(state.pipesCount===0)return this;if(state.pipesCount===1){if(dest&&dest!==state.pipes)return this;if(!dest)dest=state.pipes;state.pipes=null;state.pipesCount=0;state.flowing=false;if(dest)dest.emit("unpipe",this);return this}if(!dest){var dests=state.pipes;var len=state.pipesCount;state.pipes=null;state.pipesCount=0;state.flowing=false;for(var i=0;i<len;i++)dests[i].emit("unpipe",this);return this}var i=indexOf(state.pipes,dest);if(i===-1)return this;state.pipes.splice(i,1);state.pipesCount-=1;if(state.pipesCount===1)state.pipes=state.pipes[0];dest.emit("unpipe",this);return this};Readable.prototype.on=function(ev,fn){var res=Stream.prototype.on.call(this,ev,fn);if(ev==="data"&&false!==this._readableState.flowing){this.resume()}if(ev==="readable"&&this.readable){var state=this._readableState;if(!state.readableListening){state.readableListening=true;state.emittedReadable=false;state.needReadable=true;if(!state.reading){var self=this;process.nextTick(function(){debug("readable nexttick read 0");self.read(0)})}else if(state.length){emitReadable(this,state)}}}return res};Readable.prototype.addListener=Readable.prototype.on;Readable.prototype.resume=function(){var state=this._readableState;if(!state.flowing){debug("resume");state.flowing=true;if(!state.reading){debug("resume read 0");this.read(0)}resume(this,state)}return this};function resume(stream,state){if(!state.resumeScheduled){state.resumeScheduled=true;process.nextTick(function(){resume_(stream,state)})}}function resume_(stream,state){state.resumeScheduled=false;stream.emit("resume");flow(stream);if(state.flowing&&!state.reading)stream.read(0)}Readable.prototype.pause=function(){debug("call pause flowing=%j",this._readableState.flowing);if(false!==this._readableState.flowing){debug("pause");this._readableState.flowing=false;this.emit("pause")}return this};function flow(stream){var state=stream._readableState;debug("flow",state.flowing);if(state.flowing){do{var chunk=stream.read()}while(null!==chunk&&state.flowing)}}Readable.prototype.wrap=function(stream){var state=this._readableState;var paused=false;var self=this;stream.on("end",function(){debug("wrapped end");if(state.decoder&&!state.ended){var chunk=state.decoder.end();if(chunk&&chunk.length)self.push(chunk)}self.push(null)});stream.on("data",function(chunk){debug("wrapped data");if(state.decoder)chunk=state.decoder.write(chunk);if(!chunk||!state.objectMode&&!chunk.length)return;var ret=self.push(chunk);if(!ret){paused=true;stream.pause()}});for(var i in stream){if(util.isFunction(stream[i])&&util.isUndefined(this[i])){this[i]=function(method){return function(){return stream[method].apply(stream,arguments)}}(i)}}var events=["error","close","destroy","pause","resume"];forEach(events,function(ev){stream.on(ev,self.emit.bind(self,ev))});self._read=function(n){debug("wrapped _read",n);if(paused){paused=false;stream.resume()}};return self};Readable._fromList=fromList;function fromList(n,state){var list=state.buffer;var length=state.length;var stringMode=!!state.decoder;var objectMode=!!state.objectMode;var ret;if(list.length===0)return null;if(length===0)ret=null;else if(objectMode)ret=list.shift();else if(!n||n>=length){if(stringMode)ret=list.join("");else ret=Buffer.concat(list,length);list.length=0}else{if(n<list[0].length){var buf=list[0];ret=buf.slice(0,n);list[0]=buf.slice(n)}else if(n===list[0].length){ret=list.shift()}else{if(stringMode)ret="";else ret=new Buffer(n);var c=0;for(var i=0,l=list.length;i<l&&c<n;i++){var buf=list[0];var cpy=Math.min(n-c,buf.length);if(stringMode)ret+=buf.slice(0,cpy);else buf.copy(ret,c,0,cpy);if(cpy<buf.length)list[0]=buf.slice(cpy);else list.shift();c+=cpy}}}return ret}function endReadable(stream){var state=stream._readableState;if(state.length>0)throw new Error("endReadable called on non-empty stream");if(!state.endEmitted){state.ended=true;process.nextTick(function(){if(!state.endEmitted&&state.length===0){state.endEmitted=true;stream.readable=false;stream.emit("end")}})}}function forEach(xs,f){for(var i=0,l=xs.length;i<l;i++){f(xs[i],i)}}function indexOf(xs,x){for(var i=0,l=xs.length;i<l;i++){if(xs[i]===x)return i}return-1}}).call(this,require("_process"))},{"./_stream_duplex":12,_process:10,buffer:2,"core-util-is":17,events:6,inherits:7,isarray:9,stream:22,"string_decoder/":23,util:1}],15:[function(require,module,exports){module.exports=Transform;var Duplex=require("./_stream_duplex");var util=require("core-util-is");util.inherits=require("inherits");util.inherits(Transform,Duplex);function TransformState(options,stream){this.afterTransform=function(er,data){return afterTransform(stream,er,data)};this.needTransform=false;this.transforming=false;this.writecb=null;this.writechunk=null}function afterTransform(stream,er,data){var ts=stream._transformState;ts.transforming=false;var cb=ts.writecb;if(!cb)return stream.emit("error",new Error("no writecb in Transform class"));ts.writechunk=null;ts.writecb=null;if(!util.isNullOrUndefined(data))stream.push(data);if(cb)cb(er);var rs=stream._readableState;rs.reading=false;if(rs.needReadable||rs.length<rs.highWaterMark){stream._read(rs.highWaterMark)}}function Transform(options){if(!(this instanceof Transform))return new Transform(options);Duplex.call(this,options);this._transformState=new TransformState(options,this);var stream=this;this._readableState.needReadable=true;this._readableState.sync=false;this.once("prefinish",function(){if(util.isFunction(this._flush))this._flush(function(er){done(stream,er)});else done(stream)})}Transform.prototype.push=function(chunk,encoding){this._transformState.needTransform=false;return Duplex.prototype.push.call(this,chunk,encoding)};Transform.prototype._transform=function(chunk,encoding,cb){throw new Error("not implemented")};Transform.prototype._write=function(chunk,encoding,cb){var ts=this._transformState;ts.writecb=cb;ts.writechunk=chunk;ts.writeencoding=encoding;if(!ts.transforming){var rs=this._readableState;if(ts.needTransform||rs.needReadable||rs.length<rs.highWaterMark)this._read(rs.highWaterMark)}};Transform.prototype._read=function(n){var ts=this._transformState;if(!util.isNull(ts.writechunk)&&ts.writecb&&!ts.transforming){ts.transforming=true;this._transform(ts.writechunk,ts.writeencoding,ts.afterTransform)}else{ts.needTransform=true}};function done(stream,er){if(er)return stream.emit("error",er);var ws=stream._writableState;var ts=stream._transformState;if(ws.length)throw new Error("calling transform done when ws.length != 0");if(ts.transforming)throw new Error("calling transform done when still transforming");return stream.push(null)}},{"./_stream_duplex":12,"core-util-is":17,inherits:7}],16:[function(require,module,exports){(function(process){module.exports=Writable;var Buffer=require("buffer").Buffer;Writable.WritableState=WritableState;var util=require("core-util-is");util.inherits=require("inherits");var Stream=require("stream");util.inherits(Writable,Stream);function WriteReq(chunk,encoding,cb){this.chunk=chunk;this.encoding=encoding;this.callback=cb}function WritableState(options,stream){var Duplex=require("./_stream_duplex");options=options||{};var hwm=options.highWaterMark;var defaultHwm=options.objectMode?16:16*1024;this.highWaterMark=hwm||hwm===0?hwm:defaultHwm;this.objectMode=!!options.objectMode;if(stream instanceof Duplex)this.objectMode=this.objectMode||!!options.writableObjectMode;this.highWaterMark=~~this.highWaterMark;this.needDrain=false;this.ending=false;this.ended=false;this.finished=false;var noDecode=options.decodeStrings===false;this.decodeStrings=!noDecode;this.defaultEncoding=options.defaultEncoding||"utf8";this.length=0;this.writing=false;this.corked=0;this.sync=true;this.bufferProcessing=false;this.onwrite=function(er){onwrite(stream,er)};this.writecb=null;this.writelen=0;this.buffer=[];this.pendingcb=0;this.prefinished=false;this.errorEmitted=false}function Writable(options){var Duplex=require("./_stream_duplex");if(!(this instanceof Writable)&&!(this instanceof Duplex))return new Writable(options);this._writableState=new WritableState(options,this);this.writable=true;Stream.call(this)}Writable.prototype.pipe=function(){this.emit("error",new Error("Cannot pipe. Not readable."))};function writeAfterEnd(stream,state,cb){var er=new Error("write after end");stream.emit("error",er);process.nextTick(function(){cb(er)})}function validChunk(stream,state,chunk,cb){var valid=true;if(!util.isBuffer(chunk)&&!util.isString(chunk)&&!util.isNullOrUndefined(chunk)&&!state.objectMode){var er=new TypeError("Invalid non-string/buffer chunk");stream.emit("error",er);process.nextTick(function(){cb(er)});valid=false}return valid}Writable.prototype.write=function(chunk,encoding,cb){var state=this._writableState;var ret=false;if(util.isFunction(encoding)){cb=encoding;encoding=null}if(util.isBuffer(chunk))encoding="buffer";else if(!encoding)encoding=state.defaultEncoding;if(!util.isFunction(cb))cb=function(){};if(state.ended)writeAfterEnd(this,state,cb);else if(validChunk(this,state,chunk,cb)){state.pendingcb++;ret=writeOrBuffer(this,state,chunk,encoding,cb)}return ret};Writable.prototype.cork=function(){var state=this._writableState;state.corked++};Writable.prototype.uncork=function(){var state=this._writableState;if(state.corked){state.corked--;if(!state.writing&&!state.corked&&!state.finished&&!state.bufferProcessing&&state.buffer.length)clearBuffer(this,state)}};function decodeChunk(state,chunk,encoding){if(!state.objectMode&&state.decodeStrings!==false&&util.isString(chunk)){chunk=new Buffer(chunk,encoding)}return chunk}function writeOrBuffer(stream,state,chunk,encoding,cb){chunk=decodeChunk(state,chunk,encoding);if(util.isBuffer(chunk))encoding="buffer";var len=state.objectMode?1:chunk.length;state.length+=len;var ret=state.length<state.highWaterMark;if(!ret)state.needDrain=true;if(state.writing||state.corked)state.buffer.push(new WriteReq(chunk,encoding,cb));else doWrite(stream,state,false,len,chunk,encoding,cb);return ret}function doWrite(stream,state,writev,len,chunk,encoding,cb){state.writelen=len;state.writecb=cb;state.writing=true;state.sync=true;if(writev)stream._writev(chunk,state.onwrite);else stream._write(chunk,encoding,state.onwrite);state.sync=false}function onwriteError(stream,state,sync,er,cb){if(sync)process.nextTick(function(){state.pendingcb--;cb(er)});else{state.pendingcb--;cb(er)}stream._writableState.errorEmitted=true;stream.emit("error",er)}function onwriteStateUpdate(state){state.writing=false;state.writecb=null;state.length-=state.writelen;state.writelen=0}function onwrite(stream,er){var state=stream._writableState;var sync=state.sync;var cb=state.writecb;onwriteStateUpdate(state);if(er)onwriteError(stream,state,sync,er,cb);else{var finished=needFinish(stream,state);if(!finished&&!state.corked&&!state.bufferProcessing&&state.buffer.length){clearBuffer(stream,state)}if(sync){process.nextTick(function(){afterWrite(stream,state,finished,cb)})}else{afterWrite(stream,state,finished,cb)}}}function afterWrite(stream,state,finished,cb){if(!finished)onwriteDrain(stream,state);state.pendingcb--;cb();finishMaybe(stream,state)}function onwriteDrain(stream,state){if(state.length===0&&state.needDrain){state.needDrain=false;stream.emit("drain")}}function clearBuffer(stream,state){state.bufferProcessing=true;if(stream._writev&&state.buffer.length>1){var cbs=[];for(var c=0;c<state.buffer.length;c++)cbs.push(state.buffer[c].callback);state.pendingcb++;doWrite(stream,state,true,state.length,state.buffer,"",function(err){for(var i=0;i<cbs.length;i++){state.pendingcb--;cbs[i](err)}});state.buffer=[]}else{for(var c=0;c<state.buffer.length;c++){var entry=state.buffer[c];var chunk=entry.chunk;var encoding=entry.encoding;var cb=entry.callback;var len=state.objectMode?1:chunk.length;doWrite(stream,state,false,len,chunk,encoding,cb);if(state.writing){c++;break}}if(c<state.buffer.length)state.buffer=state.buffer.slice(c);else state.buffer.length=0}state.bufferProcessing=false}Writable.prototype._write=function(chunk,encoding,cb){cb(new Error("not implemented"))};Writable.prototype._writev=null;Writable.prototype.end=function(chunk,encoding,cb){var state=this._writableState;if(util.isFunction(chunk)){cb=chunk;chunk=null;encoding=null}else if(util.isFunction(encoding)){cb=encoding;encoding=null}if(!util.isNullOrUndefined(chunk))this.write(chunk,encoding);if(state.corked){state.corked=1; | |
this.uncork()}if(!state.ending&&!state.finished)endWritable(this,state,cb)};function needFinish(stream,state){return state.ending&&state.length===0&&!state.finished&&!state.writing}function prefinish(stream,state){if(!state.prefinished){state.prefinished=true;stream.emit("prefinish")}}function finishMaybe(stream,state){var need=needFinish(stream,state);if(need){if(state.pendingcb===0){prefinish(stream,state);state.finished=true;stream.emit("finish")}else prefinish(stream,state)}return need}function endWritable(stream,state,cb){state.ending=true;finishMaybe(stream,state);if(cb){if(state.finished)process.nextTick(cb);else stream.once("finish",cb)}state.ended=true}}).call(this,require("_process"))},{"./_stream_duplex":12,_process:10,buffer:2,"core-util-is":17,inherits:7,stream:22}],17:[function(require,module,exports){(function(Buffer){function isArray(arg){if(Array.isArray){return Array.isArray(arg)}return objectToString(arg)==="[object Array]"}exports.isArray=isArray;function isBoolean(arg){return typeof arg==="boolean"}exports.isBoolean=isBoolean;function isNull(arg){return arg===null}exports.isNull=isNull;function isNullOrUndefined(arg){return arg==null}exports.isNullOrUndefined=isNullOrUndefined;function isNumber(arg){return typeof arg==="number"}exports.isNumber=isNumber;function isString(arg){return typeof arg==="string"}exports.isString=isString;function isSymbol(arg){return typeof arg==="symbol"}exports.isSymbol=isSymbol;function isUndefined(arg){return arg===void 0}exports.isUndefined=isUndefined;function isRegExp(re){return objectToString(re)==="[object RegExp]"}exports.isRegExp=isRegExp;function isObject(arg){return typeof arg==="object"&&arg!==null}exports.isObject=isObject;function isDate(d){return objectToString(d)==="[object Date]"}exports.isDate=isDate;function isError(e){return objectToString(e)==="[object Error]"||e instanceof Error}exports.isError=isError;function isFunction(arg){return typeof arg==="function"}exports.isFunction=isFunction;function isPrimitive(arg){return arg===null||typeof arg==="boolean"||typeof arg==="number"||typeof arg==="string"||typeof arg==="symbol"||typeof arg==="undefined"}exports.isPrimitive=isPrimitive;exports.isBuffer=Buffer.isBuffer;function objectToString(o){return Object.prototype.toString.call(o)}}).call(this,{isBuffer:require("../../../../insert-module-globals/node_modules/is-buffer/index.js")})},{"../../../../insert-module-globals/node_modules/is-buffer/index.js":8}],18:[function(require,module,exports){module.exports=require("./lib/_stream_passthrough.js")},{"./lib/_stream_passthrough.js":13}],19:[function(require,module,exports){(function(process){exports=module.exports=require("./lib/_stream_readable.js");exports.Stream=require("stream");exports.Readable=exports;exports.Writable=require("./lib/_stream_writable.js");exports.Duplex=require("./lib/_stream_duplex.js");exports.Transform=require("./lib/_stream_transform.js");exports.PassThrough=require("./lib/_stream_passthrough.js");if(!process.browser&&process.env.READABLE_STREAM==="disable"){module.exports=require("stream")}}).call(this,require("_process"))},{"./lib/_stream_duplex.js":12,"./lib/_stream_passthrough.js":13,"./lib/_stream_readable.js":14,"./lib/_stream_transform.js":15,"./lib/_stream_writable.js":16,_process:10,stream:22}],20:[function(require,module,exports){module.exports=require("./lib/_stream_transform.js")},{"./lib/_stream_transform.js":15}],21:[function(require,module,exports){module.exports=require("./lib/_stream_writable.js")},{"./lib/_stream_writable.js":16}],22:[function(require,module,exports){module.exports=Stream;var EE=require("events").EventEmitter;var inherits=require("inherits");inherits(Stream,EE);Stream.Readable=require("readable-stream/readable.js");Stream.Writable=require("readable-stream/writable.js");Stream.Duplex=require("readable-stream/duplex.js");Stream.Transform=require("readable-stream/transform.js");Stream.PassThrough=require("readable-stream/passthrough.js");Stream.Stream=Stream;function Stream(){EE.call(this)}Stream.prototype.pipe=function(dest,options){var source=this;function ondata(chunk){if(dest.writable){if(false===dest.write(chunk)&&source.pause){source.pause()}}}source.on("data",ondata);function ondrain(){if(source.readable&&source.resume){source.resume()}}dest.on("drain",ondrain);if(!dest._isStdio&&(!options||options.end!==false)){source.on("end",onend);source.on("close",onclose)}var didOnEnd=false;function onend(){if(didOnEnd)return;didOnEnd=true;dest.end()}function onclose(){if(didOnEnd)return;didOnEnd=true;if(typeof dest.destroy==="function")dest.destroy()}function onerror(er){cleanup();if(EE.listenerCount(this,"error")===0){throw er}}source.on("error",onerror);dest.on("error",onerror);function cleanup(){source.removeListener("data",ondata);dest.removeListener("drain",ondrain);source.removeListener("end",onend);source.removeListener("close",onclose);source.removeListener("error",onerror);dest.removeListener("error",onerror);source.removeListener("end",cleanup);source.removeListener("close",cleanup);dest.removeListener("close",cleanup)}source.on("end",cleanup);source.on("close",cleanup);dest.on("close",cleanup);dest.emit("pipe",source);return dest}},{events:6,inherits:7,"readable-stream/duplex.js":11,"readable-stream/passthrough.js":18,"readable-stream/readable.js":19,"readable-stream/transform.js":20,"readable-stream/writable.js":21}],23:[function(require,module,exports){var Buffer=require("buffer").Buffer;var isBufferEncoding=Buffer.isEncoding||function(encoding){switch(encoding&&encoding.toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":case"raw":return true;default:return false}};function assertEncoding(encoding){if(encoding&&!isBufferEncoding(encoding)){throw new Error("Unknown encoding: "+encoding)}}var StringDecoder=exports.StringDecoder=function(encoding){this.encoding=(encoding||"utf8").toLowerCase().replace(/[-_]/,"");assertEncoding(encoding);switch(this.encoding){case"utf8":this.surrogateSize=3;break;case"ucs2":case"utf16le":this.surrogateSize=2;this.detectIncompleteChar=utf16DetectIncompleteChar;break;case"base64":this.surrogateSize=3;this.detectIncompleteChar=base64DetectIncompleteChar;break;default:this.write=passThroughWrite;return}this.charBuffer=new Buffer(6);this.charReceived=0;this.charLength=0};StringDecoder.prototype.write=function(buffer){var charStr="";while(this.charLength){var available=buffer.length>=this.charLength-this.charReceived?this.charLength-this.charReceived:buffer.length;buffer.copy(this.charBuffer,this.charReceived,0,available);this.charReceived+=available;if(this.charReceived<this.charLength){return""}buffer=buffer.slice(available,buffer.length);charStr=this.charBuffer.slice(0,this.charLength).toString(this.encoding);var charCode=charStr.charCodeAt(charStr.length-1);if(charCode>=55296&&charCode<=56319){this.charLength+=this.surrogateSize;charStr="";continue}this.charReceived=this.charLength=0;if(buffer.length===0){return charStr}break}this.detectIncompleteChar(buffer);var end=buffer.length;if(this.charLength){buffer.copy(this.charBuffer,0,buffer.length-this.charReceived,end);end-=this.charReceived}charStr+=buffer.toString(this.encoding,0,end);var end=charStr.length-1;var charCode=charStr.charCodeAt(end);if(charCode>=55296&&charCode<=56319){var size=this.surrogateSize;this.charLength+=size;this.charReceived+=size;this.charBuffer.copy(this.charBuffer,size,0,size);buffer.copy(this.charBuffer,0,0,size);return charStr.substring(0,end)}return charStr};StringDecoder.prototype.detectIncompleteChar=function(buffer){var i=buffer.length>=3?3:buffer.length;for(;i>0;i--){var c=buffer[buffer.length-i];if(i==1&&c>>5==6){this.charLength=2;break}if(i<=2&&c>>4==14){this.charLength=3;break}if(i<=3&&c>>3==30){this.charLength=4;break}}this.charReceived=i};StringDecoder.prototype.end=function(buffer){var res="";if(buffer&&buffer.length)res=this.write(buffer);if(this.charReceived){var cr=this.charReceived;var buf=this.charBuffer;var enc=this.encoding;res+=buf.slice(0,cr).toString(enc)}return res};function passThroughWrite(buffer){return buffer.toString(this.encoding)}function utf16DetectIncompleteChar(buffer){this.charReceived=buffer.length%2;this.charLength=this.charReceived?2:0}function base64DetectIncompleteChar(buffer){this.charReceived=buffer.length%3;this.charLength=this.charReceived?3:0}},{buffer:2}],24:[function(require,module,exports){module.exports=function isBuffer(arg){return arg&&typeof arg==="object"&&typeof arg.copy==="function"&&typeof arg.fill==="function"&&typeof arg.readUInt8==="function"}},{}],25:[function(require,module,exports){(function(process,global){var formatRegExp=/%[sdj%]/g;exports.format=function(f){if(!isString(f)){var objects=[];for(var i=0;i<arguments.length;i++){objects.push(inspect(arguments[i]))}return objects.join(" ")}var i=1;var args=arguments;var len=args.length;var str=String(f).replace(formatRegExp,function(x){if(x==="%%")return"%";if(i>=len)return x;switch(x){case"%s":return String(args[i++]);case"%d":return Number(args[i++]);case"%j":try{return JSON.stringify(args[i++])}catch(_){return"[Circular]"}default:return x}});for(var x=args[i];i<len;x=args[++i]){if(isNull(x)||!isObject(x)){str+=" "+x}else{str+=" "+inspect(x)}}return str};exports.deprecate=function(fn,msg){if(isUndefined(global.process)){return function(){return exports.deprecate(fn,msg).apply(this,arguments)}}if(process.noDeprecation===true){return fn}var warned=false;function deprecated(){if(!warned){if(process.throwDeprecation){throw new Error(msg)}else if(process.traceDeprecation){console.trace(msg)}else{console.error(msg)}warned=true}return fn.apply(this,arguments)}return deprecated};var debugs={};var debugEnviron;exports.debuglog=function(set){if(isUndefined(debugEnviron))debugEnviron=process.env.NODE_DEBUG||"";set=set.toUpperCase();if(!debugs[set]){if(new RegExp("\\b"+set+"\\b","i").test(debugEnviron)){var pid=process.pid;debugs[set]=function(){var msg=exports.format.apply(exports,arguments);console.error("%s %d: %s",set,pid,msg)}}else{debugs[set]=function(){}}}return debugs[set]};function inspect(obj,opts){var ctx={seen:[],stylize:stylizeNoColor};if(arguments.length>=3)ctx.depth=arguments[2];if(arguments.length>=4)ctx.colors=arguments[3];if(isBoolean(opts)){ctx.showHidden=opts}else if(opts){exports._extend(ctx,opts)}if(isUndefined(ctx.showHidden))ctx.showHidden=false;if(isUndefined(ctx.depth))ctx.depth=2;if(isUndefined(ctx.colors))ctx.colors=false;if(isUndefined(ctx.customInspect))ctx.customInspect=true;if(ctx.colors)ctx.stylize=stylizeWithColor;return formatValue(ctx,obj,ctx.depth)}exports.inspect=inspect;inspect.colors={bold:[1,22],italic:[3,23],underline:[4,24],inverse:[7,27],white:[37,39],grey:[90,39],black:[30,39],blue:[34,39],cyan:[36,39],green:[32,39],magenta:[35,39],red:[31,39],yellow:[33,39]};inspect.styles={special:"cyan",number:"yellow","boolean":"yellow",undefined:"grey","null":"bold",string:"green",date:"magenta",regexp:"red"};function stylizeWithColor(str,styleType){var style=inspect.styles[styleType];if(style){return"["+inspect.colors[style][0]+"m"+str+"["+inspect.colors[style][1]+"m"}else{return str}}function stylizeNoColor(str,styleType){return str}function arrayToHash(array){var hash={};array.forEach(function(val,idx){hash[val]=true});return hash}function formatValue(ctx,value,recurseTimes){if(ctx.customInspect&&value&&isFunction(value.inspect)&&value.inspect!==exports.inspect&&!(value.constructor&&value.constructor.prototype===value)){var ret=value.inspect(recurseTimes,ctx);if(!isString(ret)){ret=formatValue(ctx,ret,recurseTimes)}return ret}var primitive=formatPrimitive(ctx,value);if(primitive){return primitive}var keys=Object.keys(value);var visibleKeys=arrayToHash(keys);if(ctx.showHidden){keys=Object.getOwnPropertyNames(value)}if(isError(value)&&(keys.indexOf("message")>=0||keys.indexOf("description")>=0)){return formatError(value)}if(keys.length===0){if(isFunction(value)){var name=value.name?": "+value.name:"";return ctx.stylize("[Function"+name+"]","special")}if(isRegExp(value)){return ctx.stylize(RegExp.prototype.toString.call(value),"regexp")}if(isDate(value)){return ctx.stylize(Date.prototype.toString.call(value),"date")}if(isError(value)){return formatError(value)}}var base="",array=false,braces=["{","}"];if(isArray(value)){array=true;braces=["[","]"]}if(isFunction(value)){var n=value.name?": "+value.name:"";base=" [Function"+n+"]"}if(isRegExp(value)){base=" "+RegExp.prototype.toString.call(value)}if(isDate(value)){base=" "+Date.prototype.toUTCString.call(value)}if(isError(value)){base=" "+formatError(value)}if(keys.length===0&&(!array||value.length==0)){return braces[0]+base+braces[1]}if(recurseTimes<0){if(isRegExp(value)){return ctx.stylize(RegExp.prototype.toString.call(value),"regexp")}else{return ctx.stylize("[Object]","special")}}ctx.seen.push(value);var output;if(array){output=formatArray(ctx,value,recurseTimes,visibleKeys,keys)}else{output=keys.map(function(key){return formatProperty(ctx,value,recurseTimes,visibleKeys,key,array)})}ctx.seen.pop();return reduceToSingleString(output,base,braces)}function formatPrimitive(ctx,value){if(isUndefined(value))return ctx.stylize("undefined","undefined");if(isString(value)){var simple="'"+JSON.stringify(value).replace(/^"|"$/g,"").replace(/'/g,"\\'").replace(/\\"/g,'"')+"'";return ctx.stylize(simple,"string")}if(isNumber(value))return ctx.stylize(""+value,"number");if(isBoolean(value))return ctx.stylize(""+value,"boolean");if(isNull(value))return ctx.stylize("null","null")}function formatError(value){return"["+Error.prototype.toString.call(value)+"]"}function formatArray(ctx,value,recurseTimes,visibleKeys,keys){var output=[];for(var i=0,l=value.length;i<l;++i){if(hasOwnProperty(value,String(i))){output.push(formatProperty(ctx,value,recurseTimes,visibleKeys,String(i),true))}else{output.push("")}}keys.forEach(function(key){if(!key.match(/^\d+$/)){output.push(formatProperty(ctx,value,recurseTimes,visibleKeys,key,true))}});return output}function formatProperty(ctx,value,recurseTimes,visibleKeys,key,array){var name,str,desc;desc=Object.getOwnPropertyDescriptor(value,key)||{value:value[key]};if(desc.get){if(desc.set){str=ctx.stylize("[Getter/Setter]","special")}else{str=ctx.stylize("[Getter]","special")}}else{if(desc.set){str=ctx.stylize("[Setter]","special")}}if(!hasOwnProperty(visibleKeys,key)){name="["+key+"]"}if(!str){if(ctx.seen.indexOf(desc.value)<0){if(isNull(recurseTimes)){str=formatValue(ctx,desc.value,null)}else{str=formatValue(ctx,desc.value,recurseTimes-1)}if(str.indexOf("\n")>-1){if(array){str=str.split("\n").map(function(line){return" "+line}).join("\n").substr(2)}else{str="\n"+str.split("\n").map(function(line){return" "+line}).join("\n")}}}else{str=ctx.stylize("[Circular]","special")}}if(isUndefined(name)){if(array&&key.match(/^\d+$/)){return str}name=JSON.stringify(""+key);if(name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)){name=name.substr(1,name.length-2);name=ctx.stylize(name,"name")}else{name=name.replace(/'/g,"\\'").replace(/\\"/g,'"').replace(/(^"|"$)/g,"'");name=ctx.stylize(name,"string")}}return name+": "+str}function reduceToSingleString(output,base,braces){var numLinesEst=0;var length=output.reduce(function(prev,cur){numLinesEst++;if(cur.indexOf("\n")>=0)numLinesEst++;return prev+cur.replace(/\u001b\[\d\d?m/g,"").length+1},0);if(length>60){return braces[0]+(base===""?"":base+"\n ")+" "+output.join(",\n ")+" "+braces[1]}return braces[0]+base+" "+output.join(", ")+" "+braces[1]}function isArray(ar){return Array.isArray(ar)}exports.isArray=isArray;function isBoolean(arg){return typeof arg==="boolean"}exports.isBoolean=isBoolean;function isNull(arg){return arg===null}exports.isNull=isNull;function isNullOrUndefined(arg){return arg==null}exports.isNullOrUndefined=isNullOrUndefined;function isNumber(arg){return typeof arg==="number"}exports.isNumber=isNumber;function isString(arg){return typeof arg==="string"}exports.isString=isString;function isSymbol(arg){return typeof arg==="symbol"}exports.isSymbol=isSymbol;function isUndefined(arg){return arg===void 0}exports.isUndefined=isUndefined;function isRegExp(re){return isObject(re)&&objectToString(re)==="[object RegExp]"}exports.isRegExp=isRegExp;function isObject(arg){return typeof arg==="object"&&arg!==null}exports.isObject=isObject;function isDate(d){return isObject(d)&&objectToString(d)==="[object Date]"}exports.isDate=isDate;function isError(e){return isObject(e)&&(objectToString(e)==="[object Error]"||e instanceof Error)}exports.isError=isError;function isFunction(arg){return typeof arg==="function"}exports.isFunction=isFunction;function isPrimitive(arg){return arg===null||typeof arg==="boolean"||typeof arg==="number"||typeof arg==="string"||typeof arg==="symbol"||typeof arg==="undefined"}exports.isPrimitive=isPrimitive;exports.isBuffer=require("./support/isBuffer");function objectToString(o){return Object.prototype.toString.call(o)}function pad(n){return n<10?"0"+n.toString(10):n.toString(10)}var months=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];function timestamp(){var d=new Date;var time=[pad(d.getHours()),pad(d.getMinutes()),pad(d.getSeconds())].join(":");return[d.getDate(),months[d.getMonth()],time].join(" ")}exports.log=function(){console.log("%s - %s",timestamp(),exports.format.apply(exports,arguments))};exports.inherits=require("inherits");exports._extend=function(origin,add){if(!add||!isObject(add))return origin;var keys=Object.keys(add);var i=keys.length;while(i--){origin[keys[i]]=add[keys[i]]}return origin};function hasOwnProperty(obj,prop){return Object.prototype.hasOwnProperty.call(obj,prop)}}).call(this,require("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./support/isBuffer":24,_process:10,inherits:7}],26:[function(require,module,exports){var events=require("events");var once=require("once");var debug=require("debug")("audio-stream:capture");var isActive=function(media,track){if(media.getAudioTracks)return!!media.getAudioTracks().length;if(track)return track.readyState!=="ended";if("active"in media)return media.active;if("ended"in media)return media.ended;return true};var getAudioTrack=function(media){var track=media.getAudioTracks?media.getAudioTracks()[0]:null;return track&&track.readyState&&"onended"in track?track:null};module.exports=function(media,processor){var that=new events.EventEmitter;var track=getAudioTrack(media);var hasInactive="oninactive"in media;var hasEnded="onended"in media;var hasCurrentTime="currentTime"in media&&!hasInactive&&!hasEnded;var currentTime=-1;var lastCall=-1;var timeout=null;var interval=null;var timeBuffer=[];var onaudioprocess=function(e){lastCall=Date.now();if(hasCurrentTime){if(currentTime===media.currentTime){debug("current time unchanged",currentTime,!!timeout);if(!timeout)timeout=setTimeout(onended,!currentTime?5e3:1e3);timeBuffer.push(e);return}if(timeout){debug("current time updated",currentTime,media.currentTime);clearTimeout(timeout);timeBuffer.forEach(function(entry){that.emit("data",entry)});timeout=null;timeBuffer=[]}currentTime=media.currentTime}that.emit("data",e)};var onended=once(function(e){debug("onended",e instanceof Event?[e.type,e.target]:null);suspend();if(track)track.removeEventListener("ended",onended,false);if(hasInactive)media.removeEventListener("inactive",onended,false);else if(hasEnded)media.removeEventListener("ended",onended,false);that.emit("end")});var scheduleInterval=function(){debug("schedule interval");lastCall=Date.now();interval=setInterval(function(){if(Date.now()-lastCall>1e4){debug("audio process timeout");onended()}},1e3)};var suspend=function(){processor.removeEventListener("audioprocess",onaudioprocess,false);clearTimeout(timeout);clearInterval(interval)};var restart=function(){processor.addEventListener("audioprocess",onaudioprocess,false);scheduleInterval()};that.suspend=suspend;that.restart=restart;that.destroy=onended;if(track)track.addEventListener("ended",onended,false);if(hasInactive)media.addEventListener("inactive",onended,false);else if(hasEnded)media.addEventListener("ended",onended,false);else if(hasCurrentTime)currentTime=media.currentTime;restart();return that};module.exports.ended=function(media){var track=getAudioTrack(media);return!isActive(media,track)}},{debug:27,events:6,once:31}],27:[function(require,module,exports){exports=module.exports=require("./debug");exports.log=log;exports.formatArgs=formatArgs;exports.save=save;exports.load=load;exports.useColors=useColors;exports.storage="undefined"!=typeof chrome&&"undefined"!=typeof chrome.storage?chrome.storage.local:localstorage();exports.colors=["lightseagreen","forestgreen","goldenrod","dodgerblue","darkorchid","crimson"];function useColors(){return"WebkitAppearance"in document.documentElement.style||window.console&&(console.firebug||console.exception&&console.table)||navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/)&&parseInt(RegExp.$1,10)>=31}exports.formatters.j=function(v){return JSON.stringify(v)};function formatArgs(){var args=arguments;var useColors=this.useColors;args[0]=(useColors?"%c":"")+this.namespace+(useColors?" %c":" ")+args[0]+(useColors?"%c ":" ")+"+"+exports.humanize(this.diff);if(!useColors)return args;var c="color: "+this.color;args=[args[0],c,"color: inherit"].concat(Array.prototype.slice.call(args,1));var index=0;var lastC=0;args[0].replace(/%[a-z%]/g,function(match){if("%%"===match)return;index++;if("%c"===match){lastC=index}});args.splice(lastC,0,c);return args}function log(){return"object"===typeof console&&console.log&&Function.prototype.apply.call(console.log,console,arguments)}function save(namespaces){try{if(null==namespaces){exports.storage.removeItem("debug")}else{exports.storage.debug=namespaces}}catch(e){}}function load(){var r;try{r=exports.storage.debug}catch(e){}return r}exports.enable(load());function localstorage(){try{return window.localStorage}catch(e){}}},{"./debug":28}],28:[function(require,module,exports){exports=module.exports=debug;exports.coerce=coerce;exports.disable=disable;exports.enable=enable;exports.enabled=enabled;exports.humanize=require("ms");exports.names=[];exports.skips=[];exports.formatters={};var prevColor=0;var prevTime;function selectColor(){return exports.colors[prevColor++%exports.colors.length]}function debug(namespace){function disabled(){}disabled.enabled=false;function enabled(){var self=enabled;var curr=+new Date;var ms=curr-(prevTime||curr);self.diff=ms;self.prev=prevTime;self.curr=curr;prevTime=curr;if(null==self.useColors)self.useColors=exports.useColors();if(null==self.color&&self.useColors)self.color=selectColor();var args=Array.prototype.slice.call(arguments);args[0]=exports.coerce(args[0]);if("string"!==typeof args[0]){args=["%o"].concat(args)}var index=0;args[0]=args[0].replace(/%([a-z%])/g,function(match,format){if(match==="%%")return match;index++;var formatter=exports.formatters[format];if("function"===typeof formatter){var val=args[index];match=formatter.call(self,val);args.splice(index,1);index--}return match});if("function"===typeof exports.formatArgs){args=exports.formatArgs.apply(self,args)}var logFn=enabled.log||exports.log||console.log.bind(console);logFn.apply(self,args)}enabled.enabled=true;var fn=exports.enabled(namespace)?enabled:disabled;fn.namespace=namespace;return fn}function enable(namespaces){exports.save(namespaces);var split=(namespaces||"").split(/[\s,]+/);var len=split.length;for(var i=0;i<len;i++){if(!split[i])continue;namespaces=split[i].replace(/\*/g,".*?");if(namespaces[0]==="-"){exports.skips.push(new RegExp("^"+namespaces.substr(1)+"$"))}else{exports.names.push(new RegExp("^"+namespaces+"$"))}}}function disable(){exports.enable("")}function enabled(name){var i,len;for(i=0,len=exports.skips.length;i<len;i++){if(exports.skips[i].test(name)){return false}}for(i=0,len=exports.names.length;i<len;i++){if(exports.names[i].test(name)){return true}}return false}function coerce(val){if(val instanceof Error)return val.stack||val.message;return val}},{ms:29}],29:[function(require,module,exports){var s=1e3;var m=s*60;var h=m*60;var d=h*24;var y=d*365.25;module.exports=function(val,options){options=options||{};if("string"==typeof val)return parse(val);return options.long?long(val):short(val)};function parse(str){str=""+str;if(str.length>1e4)return;var match=/^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(str);if(!match)return;var n=parseFloat(match[1]);var type=(match[2]||"ms").toLowerCase();switch(type){case"years":case"year":case"yrs":case"yr":case"y":return n*y;case"days":case"day":case"d":return n*d;case"hours":case"hour":case"hrs":case"hr":case"h":return n*h;case"minutes":case"minute":case"mins":case"min":case"m":return n*m;case"seconds":case"second":case"secs":case"sec":case"s":return n*s;case"milliseconds":case"millisecond":case"msecs":case"msec":case"ms":return n}}function short(ms){if(ms>=d)return Math.round(ms/d)+"d";if(ms>=h)return Math.round(ms/h)+"h";if(ms>=m)return Math.round(ms/m)+"m";if(ms>=s)return Math.round(ms/s)+"s";return ms+"ms"}function long(ms){return plural(ms,d,"day")||plural(ms,h,"hour")||plural(ms,m,"minute")||plural(ms,s,"second")||ms+" ms"}function plural(ms,n,name){if(ms<n)return;if(ms<n*1.5)return Math.floor(ms/n)+" "+name;return Math.ceil(ms/n)+" "+name+"s"}},{}],30:[function(require,module,exports){module.exports=wrappy;function wrappy(fn,cb){if(fn&&cb)return wrappy(fn)(cb);if(typeof fn!=="function")throw new TypeError("need wrapper function");Object.keys(fn).forEach(function(k){wrapper[k]=fn[k]});return wrapper;function wrapper(){var args=new Array(arguments.length);for(var i=0;i<args.length;i++){args[i]=arguments[i]}var ret=fn.apply(this,args);var cb=args[args.length-1];if(typeof ret==="function"&&ret!==cb){Object.keys(cb).forEach(function(k){ret[k]=cb[k]})}return ret}}},{}],31:[function(require,module,exports){var wrappy=require("wrappy");module.exports=wrappy(once);once.proto=once(function(){Object.defineProperty(Function.prototype,"once",{value:function(){return once(this)},configurable:true})});function once(fn){var f=function(){if(f.called)return f.value;f.called=true;return f.value=fn.apply(this,arguments)};f.called=false;return f}},{wrappy:30}],32:[function(require,module,exports){module.exports=extend;var hasOwnProperty=Object.prototype.hasOwnProperty;function extend(){var target={};for(var i=0;i<arguments.length;i++){var source=arguments[i];for(var key in source){if(hasOwnProperty.call(source,key)){target[key]=source[key]}}}return target}},{}],"audio-stream":[function(require,module,exports){(function(Buffer){var stream=require("stream");var util=require("util");var once=require("once");var extend=require("xtend");var debug=require("debug")("audio-stream");var capture=require("./capture");var BIT_DEPTH=32;var SAMPLE_RATE=44100;var HIGH_WATER_MARK=Math.pow(2,14)*16;var AudioContext=window.AudioContext||window.webkitAudioContext;var noop=function(){};var AudioStream=function(media,options){if(!(this instanceof AudioStream))return new AudioStream(media,options);stream.Readable.call(this,{highWaterMark:HIGH_WATER_MARK});options=extend({buffer:2048,channels:2,volume:1},options);var self=this;var buffer=options.buffer;var channels=options.channels;var bytesPerSample=BIT_DEPTH/8;this.duration=0;this.samples=0;this._destroyed=false;this._suspend=noop;this._restart=noop;this._stop=noop;this._record=once(function(){if(capture.ended(media)){debug("ended before data");self._emitHeader(SAMPLE_RATE,channels);return self.push(null)}var context=options.context||new AudioContext;var source=media instanceof Audio?context.createMediaElementSource(media):context.createMediaStreamSource(media);var gain=context.createGain();var processor=context.createScriptProcessor(buffer,channels,channels);var that=capture(media,processor);gain.gain.value=options.volume;that.on("data",function(e){var input=e.inputBuffer;var numberOfChannels=input.numberOfChannels;var numberOfSamples=input.length;var data=new Buffer(bytesPerSample*numberOfChannels*numberOfSamples);for(var i=0;i<numberOfChannels;i++){var channel=input.getChannelData(i);for(var j=0;j<numberOfSamples;j++){var offset=bytesPerSample*(j*numberOfChannels+i);data.writeFloatLE(channel[j],offset)}}self.duration+=input.duration;self.samples+=numberOfSamples;self.push(data)});that.on("end",function(){self._stop();self.push(null)});self._suspend=function(){debug("suspend");that.suspend()};self._restart=function(){debug("restart");that.restart()};self._stop=function(){debug("stop");that.destroy();processor.disconnect();gain.disconnect();source.disconnect();if(!options.context)context.close()};self.on("end",function(){debug("end")});self.on("pause",function(){debug("pause")});self.on("resume",function(){debug("resume")});source.connect(gain);gain.connect(processor);processor.connect(context.destination);self._emitHeader(context.sampleRate,channels)})};util.inherits(AudioStream,stream.Readable);AudioStream.prototype.suspend=function(){this._suspend()};AudioStream.prototype.restart=function(){this._restart()};AudioStream.prototype.destroy=function(err){debug("destroy",err);if(this._destroyed)return;this._destroyed=true;this._stop();if(err)this.emit("error",err);this.emit("close")};AudioStream.prototype._read=function(){this._record()};AudioStream.prototype._emitHeader=function(sampleRate,channels){var bytesPerSample=BIT_DEPTH/8;this.emit("header",{audioFormat:3,channels:channels,sampleRate:sampleRate,byteRate:sampleRate*channels*bytesPerSample,blockAlign:channels*bytesPerSample,bitDepth:BIT_DEPTH})};module.exports=AudioStream}).call(this,require("buffer").Buffer)},{"./capture":26,buffer:2,debug:27,once:31,stream:22,util:25,xtend:32}]},{},[]);var audio=require("audio-stream");navigator.getUserMedia({video:false,audio:true},function(mediaStream){var stream=audio(mediaStream,{channels:1,volume:.5});stream.on("header",function(header){});stream.on("data",function(data){console.log("got data",data)});stream.on("end",function(){});setTimeout(function(){mediaStream.stop()},5e3)},function(){console.log("Failed to get media")})},0); |
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{ | |
"name": "requirebin-sketch", | |
"version": "1.0.0", | |
"dependencies": { | |
"audio-stream": "0.1.1" | |
} | |
} |
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