quickblox-browser/quickblox.min.js

QuickBlox JavaScript SDK

!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).QB=e()}}(function(){return function(){return function e(t,n,r){function i(o,a){if(!n[o]){if(!t[o]){var c="function"==typeof require&&require;if(!a&&c)return c(o,!0);if(s)return s(o,!0);var d=new Error("Cannot find module '"+o+"'");throw d.code="MODULE_NOT_FOUND",d}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){return i(t[o][1][e]||e)},l,l.exports,e,t,n,r)}return n[o].exports}for(var s="function"==typeof require&&require,o=0;o<r.length;o++)i(r[o]);return i}}()({1:[function(e,t,n){var r,i;r=this,i=function(){var e=e||function(e,t){var n={},r=n.lib={},i=r.Base=function(){function e(){}return{extend:function(t){e.prototype=this;var n=new e;return t&&n.mixIn(t),n.hasOwnProperty("init")||(n.init=function(){n.$super.init.apply(this,arguments)}),n.init.prototype=n,n.$super=this,n},create:function(){var e=this.extend();return e.init.apply(e,arguments),e},init:function(){},mixIn:function(e){for(var t in e)e.hasOwnProperty(t)&&(this[t]=e[t]);e.hasOwnProperty("toString")&&(this.toString=e.toString)},clone:function(){return this.init.prototype.extend(this)}}}(),s=r.WordArray=i.extend({init:function(e,t){e=this.words=e||[],this.sigBytes=null!=t?t:4*e.length},toString:function(e){return(e||a).stringify(this)},concat:function(e){var t=this.words,n=e.words,r=this.sigBytes,i=e.sigBytes;if(this.clamp(),r%4)for(var s=0;i>s;s++){var o=255&n[s>>>2]>>>24-s%4*8;t[r+s>>>2]|=o<<24-(r+s)%4*8}else if(n.length>65535)for(s=0;i>s;s+=4)t[r+s>>>2]=n[s>>>2];else t.push.apply(t,n);return this.sigBytes+=i,this},clamp:function(){var t=this.words,n=this.sigBytes;t[n>>>2]&=4294967295<<32-n%4*8,t.length=e.ceil(n/4)},clone:function(){var e=i.clone.call(this);return e.words=this.words.slice(0),e},random:function(t){for(var n=[],r=0;t>r;r+=4)n.push(0|4294967296*e.random());return new s.init(n,t)}}),o=n.enc={},a=o.Hex={stringify:function(e){for(var t=e.words,n=e.sigBytes,r=[],i=0;n>i;i++){var s=255&t[i>>>2]>>>24-i%4*8;r.push((s>>>4).toString(16)),r.push((15&s).toString(16))}return r.join("")},parse:function(e){for(var t=e.length,n=[],r=0;t>r;r+=2)n[r>>>3]|=parseInt(e.substr(r,2),16)<<24-r%8*4;return new s.init(n,t/2)}},c=o.Latin1={stringify:function(e){for(var t=e.words,n=e.sigBytes,r=[],i=0;n>i;i++){var s=255&t[i>>>2]>>>24-i%4*8;r.push(String.fromCharCode(s))}return r.join("")},parse:function(e){for(var t=e.length,n=[],r=0;t>r;r++)n[r>>>2]|=(255&e.charCodeAt(r))<<24-r%4*8;return new s.init(n,t)}},d=o.Utf8={stringify:function(e){try{return decodeURIComponent(escape(c.stringify(e)))}catch(e){throw Error("Malformed UTF-8 data")}},parse:function(e){return c.parse(unescape(encodeURIComponent(e)))}},l=r.BufferedBlockAlgorithm=i.extend({reset:function(){this._data=new s.init,this._nDataBytes=0},_append:function(e){"string"==typeof e&&(e=d.parse(e)),this._data.concat(e),this._nDataBytes+=e.sigBytes},_process:function(t){var n=this._data,r=n.words,i=n.sigBytes,o=this.blockSize,a=i/(4*o),c=(a=t?e.ceil(a):e.max((0|a)-this._minBufferSize,0))*o,d=e.min(4*c,i);if(c){for(var l=0;c>l;l+=o)this._doProcessBlock(r,l);var u=r.splice(0,c);n.sigBytes-=d}return new s.init(u,d)},clone:function(){var e=i.clone.call(this);return e._data=this._data.clone(),e},_minBufferSize:0});r.Hasher=l.extend({cfg:i.extend(),init:function(e){this.cfg=this.cfg.extend(e),this.reset()},reset:function(){l.reset.call(this),this._doReset()},update:function(e){return this._append(e),this._process(),this},finalize:function(e){return e&&this._append(e),this._doFinalize()},blockSize:16,_createHelper:function(e){return function(t,n){return new e.init(n).finalize(t)}},_createHmacHelper:function(e){return function(t,n){return new u.HMAC.init(e,n).finalize(t)}}});var u=n.algo={};return n}(Math);return e},"object"==typeof n?t.exports=n=i():r.CryptoJS=i()},{}],2:[function(e,t,n){var r,i;r=this,i=function(e){return e.HmacSHA1},"object"==typeof n?t.exports=n=i(e("./core"),e("./sha1"),e("./hmac")):i(r.CryptoJS)},{"./core":1,"./hmac":4,"./sha1":5}],3:[function(e,t,n){var r,i;r=this,i=function(e){return e.HmacSHA256},"object"==typeof n?t.exports=n=i(e("./core"),e("./sha256"),e("./hmac")):i(r.CryptoJS)},{"./core":1,"./hmac":4,"./sha256":6}],4:[function(e,t,n){var r,i;r=this,i=function(e){var t,n,r;n=(t=e).lib.Base,r=t.enc.Utf8,t.algo.HMAC=n.extend({init:function(e,t){e=this._hasher=new e.init,"string"==typeof t&&(t=r.parse(t));var n=e.blockSize,i=4*n;t.sigBytes>i&&(t=e.finalize(t)),t.clamp();for(var s=this._oKey=t.clone(),o=this._iKey=t.clone(),a=s.words,c=o.words,d=0;n>d;d++)a[d]^=1549556828,c[d]^=909522486;s.sigBytes=o.sigBytes=i,this.reset()},reset:function(){var e=this._hasher;e.reset(),e.update(this._iKey)},update:function(e){return this._hasher.update(e),this},finalize:function(e){var t=this._hasher,n=t.finalize(e);return t.reset(),t.finalize(this._oKey.clone().concat(n))}})},"object"==typeof n?t.exports=n=i(e("./core")):i(r.CryptoJS)},{"./core":1}],5:[function(e,t,n){var r,i;r=this,i=function(e){return n=(t=e).lib,r=n.WordArray,i=n.Hasher,s=t.algo,o=[],a=s.SHA1=i.extend({_doReset:function(){this._hash=new r.init([1732584193,4023233417,2562383102,271733878,3285377520])},_doProcessBlock:function(e,t){for(var n=this._hash.words,r=n[0],i=n[1],s=n[2],a=n[3],c=n[4],d=0;80>d;d++){if(16>d)o[d]=0|e[t+d];else{var l=o[d-3]^o[d-8]^o[d-14]^o[d-16];o[d]=l<<1|l>>>31}var u=(r<<5|r>>>27)+c+o[d];u+=20>d?1518500249+(i&s|~i&a):40>d?1859775393+(i^s^a):60>d?(i&s|i&a|s&a)-1894007588:(i^s^a)-899497514,c=a,a=s,s=i<<30|i>>>2,i=r,r=u}n[0]=0|n[0]+r,n[1]=0|n[1]+i,n[2]=0|n[2]+s,n[3]=0|n[3]+a,n[4]=0|n[4]+c},_doFinalize:function(){var e=this._data,t=e.words,n=8*this._nDataBytes,r=8*e.sigBytes;return t[r>>>5]|=128<<24-r%32,t[14+(r+64>>>9<<4)]=Math.floor(n/4294967296),t[15+(r+64>>>9<<4)]=n,e.sigBytes=4*t.length,this._process(),this._hash},clone:function(){var e=i.clone.call(this);return e._hash=this._hash.clone(),e}}),t.SHA1=i._createHelper(a),t.HmacSHA1=i._createHmacHelper(a),e.SHA1;var t,n,r,i,s,o,a},"object"==typeof n?t.exports=n=i(e("./core")):i(r.CryptoJS)},{"./core":1}],6:[function(e,t,n){var r,i;r=this,i=function(e){return function(t){var n=e,r=n.lib,i=r.WordArray,s=r.Hasher,o=n.algo,a=[],c=[];!function(){function e(e){for(var n=t.sqrt(e),r=2;n>=r;r++)if(!(e%r))return!1;return!0}function n(e){return 0|4294967296*(e-(0|e))}for(var r=2,i=0;64>i;)e(r)&&(8>i&&(a[i]=n(t.pow(r,.5))),c[i]=n(t.pow(r,1/3)),i++),r++}();var d=[],l=o.SHA256=s.extend({_doReset:function(){this._hash=new i.init(a.slice(0))},_doProcessBlock:function(e,t){for(var n=this._hash.words,r=n[0],i=n[1],s=n[2],o=n[3],a=n[4],l=n[5],u=n[6],h=n[7],p=0;64>p;p++){if(16>p)d[p]=0|e[t+p];else{var f=d[p-15],m=(f<<25|f>>>7)^(f<<14|f>>>18)^f>>>3,g=d[p-2],v=(g<<15|g>>>17)^(g<<13|g>>>19)^g>>>10;d[p]=m+d[p-7]+v+d[p-16]}var S=r&i^r&s^i&s,y=(r<<30|r>>>2)^(r<<19|r>>>13)^(r<<10|r>>>22),b=h+((a<<26|a>>>6)^(a<<21|a>>>11)^(a<<7|a>>>25))+(a&l^~a&u)+c[p]+d[p];h=u,u=l,l=a,a=0|o+b,o=s,s=i,i=r,r=0|b+(y+S)}n[0]=0|n[0]+r,n[1]=0|n[1]+i,n[2]=0|n[2]+s,n[3]=0|n[3]+o,n[4]=0|n[4]+a,n[5]=0|n[5]+l,n[6]=0|n[6]+u,n[7]=0|n[7]+h},_doFinalize:function(){var e=this._data,n=e.words,r=8*this._nDataBytes,i=8*e.sigBytes;return n[i>>>5]|=128<<24-i%32,n[14+(i+64>>>9<<4)]=t.floor(r/4294967296),n[15+(i+64>>>9<<4)]=r,e.sigBytes=4*n.length,this._process(),this._hash},clone:function(){var e=s.clone.call(this);return e._hash=this._hash.clone(),e}});n.SHA256=s._createHelper(l),n.HmacSHA256=s._createHmacHelper(l)}(Math),e.SHA256},"object"==typeof n?t.exports=n=i(e("./core")):i(r.CryptoJS)},{"./core":1}],7:[function(e,t,n){"use strict";var r=e("sdp");function i(e,t,n,i,s){var o=r.writeRtpDescription(e.kind,t);if(o+=r.writeIceParameters(e.iceGatherer.getLocalParameters()),o+=r.writeDtlsParameters(e.dtlsTransport.getLocalParameters(),"offer"===n?"actpass":s||"active"),o+="a=mid:"+e.mid+"\r\n",e.rtpSender&&e.rtpReceiver?o+="a=sendrecv\r\n":e.rtpSender?o+="a=sendonly\r\n":e.rtpReceiver?o+="a=recvonly\r\n":o+="a=inactive\r\n",e.rtpSender){var a=e.rtpSender._initialTrackId||e.rtpSender.track.id;e.rtpSender._initialTrackId=a;var c="msid:"+(i?i.id:"-")+" "+a+"\r\n";o+="a="+c,o+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" "+c,e.sendEncodingParameters[0].rtx&&(o+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" "+c,o+="a=ssrc-group:FID "+e.sendEncodingParameters[0].ssrc+" "+e.sendEncodingParameters[0].rtx.ssrc+"\r\n")}return o+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" cname:"+r.localCName+"\r\n",e.rtpSender&&e.sendEncodingParameters[0].rtx&&(o+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" cname:"+r.localCName+"\r\n"),o}function s(e,t){var n={codecs:[],headerExtensions:[],fecMechanisms:[]},r=function(e,t){e=parseInt(e,10);for(var n=0;n<t.length;n++)if(t[n].payloadType===e||t[n].preferredPayloadType===e)return t[n]},i=function(e,t,n,i){var s=r(e.parameters.apt,n),o=r(t.parameters.apt,i);return s&&o&&s.name.toLowerCase()===o.name.toLowerCase()};return e.codecs.forEach(function(r){for(var s=0;s<t.codecs.length;s++){var o=t.codecs[s];if(r.name.toLowerCase()===o.name.toLowerCase()&&r.clockRate===o.clockRate){if("rtx"===r.name.toLowerCase()&&r.parameters&&o.parameters.apt&&!i(r,o,e.codecs,t.codecs))continue;(o=JSON.parse(JSON.stringify(o))).numChannels=Math.min(r.numChannels,o.numChannels),n.codecs.push(o),o.rtcpFeedback=o.rtcpFeedback.filter(function(e){for(var t=0;t<r.rtcpFeedback.length;t++)if(r.rtcpFeedback[t].type===e.type&&r.rtcpFeedback[t].parameter===e.parameter)return!0;return!1});break}}}),e.headerExtensions.forEach(function(e){for(var r=0;r<t.headerExtensions.length;r++){var i=t.headerExtensions[r];if(e.uri===i.uri){n.headerExtensions.push(i);break}}}),n}function o(e,t,n){return-1!=={offer:{setLocalDescription:["stable","have-local-offer"],setRemoteDescription:["stable","have-remote-offer"]},answer:{setLocalDescription:["have-remote-offer","have-local-pranswer"],setRemoteDescription:["have-local-offer","have-remote-pranswer"]}}[t][e].indexOf(n)}function a(e,t){var n=e.getRemoteCandidates().find(function(e){return t.foundation===e.foundation&&t.ip===e.ip&&t.port===e.port&&t.priority===e.priority&&t.protocol===e.protocol&&t.type===e.type});return n||e.addRemoteCandidate(t),!n}function c(e,t){var n=new Error(t);return n.name=e,n.code={NotSupportedError:9,InvalidStateError:11,InvalidAccessError:15,TypeError:void 0,OperationError:void 0}[e],n}t.exports=function(e,t){function n(t,n){n.addTrack(t),n.dispatchEvent(new e.MediaStreamTrackEvent("addtrack",{track:t}))}function d(t,n,r,i){var s=new Event("track");s.track=n,s.receiver=r,s.transceiver={receiver:r},s.streams=i,e.setTimeout(function(){t._dispatchEvent("track",s)})}var l=function(n){var i=this,s=document.createDocumentFragment();if(["addEventListener","removeEventListener","dispatchEvent"].forEach(function(e){i[e]=s[e].bind(s)}),this.canTrickleIceCandidates=null,this.needNegotiation=!1,this.localStreams=[],this.remoteStreams=[],this._localDescription=null,this._remoteDescription=null,this.signalingState="stable",this.iceConnectionState="new",this.connectionState="new",this.iceGatheringState="new",n=JSON.parse(JSON.stringify(n||{})),this.usingBundle="max-bundle"===n.bundlePolicy,"negotiate"===n.rtcpMuxPolicy)throw c("NotSupportedError","rtcpMuxPolicy 'negotiate' is not supported");switch(n.rtcpMuxPolicy||(n.rtcpMuxPolicy="require"),n.iceTransportPolicy){case"all":case"relay":break;default:n.iceTransportPolicy="all"}switch(n.bundlePolicy){case"balanced":case"max-compat":case"max-bundle":break;default:n.bundlePolicy="balanced"}if(n.iceServers=function(e,t){var n=!1;return(e=JSON.parse(JSON.stringify(e))).filter(function(e){if(e&&(e.urls||e.url)){var r=e.urls||e.url;e.url&&!e.urls&&console.warn("RTCIceServer.url is deprecated! Use urls instead.");var i="string"==typeof r;return i&&(r=[r]),r=r.filter(function(e){return 0!==e.indexOf("turn:")||-1===e.indexOf("transport=udp")||-1!==e.indexOf("turn:[")||n?0===e.indexOf("stun:")&&t>=14393&&-1===e.indexOf("?transport=udp"):(n=!0,!0)}),delete e.url,e.urls=i?r[0]:r,!!r.length}})}(n.iceServers||[],t),this._iceGatherers=[],n.iceCandidatePoolSize)for(var o=n.iceCandidatePoolSize;o>0;o--)this._iceGatherers.push(new e.RTCIceGatherer({iceServers:n.iceServers,gatherPolicy:n.iceTransportPolicy}));else n.iceCandidatePoolSize=0;this._config=n,this.transceivers=[],this._sdpSessionId=r.generateSessionId(),this._sdpSessionVersion=0,this._dtlsRole=void 0,this._isClosed=!1};Object.defineProperty(l.prototype,"localDescription",{configurable:!0,get:function(){return this._localDescription}}),Object.defineProperty(l.prototype,"remoteDescription",{configurable:!0,get:function(){return this._remoteDescription}}),l.prototype.onicecandidate=null,l.prototype.onaddstream=null,l.prototype.ontrack=null,l.prototype.onremovestream=null,l.prototype.onsignalingstatechange=null,l.prototype.oniceconnectionstatechange=null,l.prototype.onconnectionstatechange=null,l.prototype.onicegatheringstatechange=null,l.prototype.onnegotiationneeded=null,l.prototype.ondatachannel=null,l.prototype._dispatchEvent=function(e,t){this._isClosed||(this.dispatchEvent(t),"function"==typeof this["on"+e]&&this["on"+e](t))},l.prototype._emitGatheringStateChange=function(){var e=new Event("icegatheringstatechange");this._dispatchEvent("icegatheringstatechange",e)},l.prototype.getConfiguration=function(){return this._config},l.prototype.getLocalStreams=function(){return this.localStreams},l.prototype.getRemoteStreams=function(){return this.remoteStreams},l.prototype._createTransceiver=function(e,t){var n=this.transceivers.length>0,r={track:null,iceGatherer:null,iceTransport:null,dtlsTransport:null,localCapabilities:null,remoteCapabilities:null,rtpSender:null,rtpReceiver:null,kind:e,mid:null,sendEncodingParameters:null,recvEncodingParameters:null,stream:null,associatedRemoteMediaStreams:[],wantReceive:!0};if(this.usingBundle&&n)r.iceTransport=this.transceivers[0].iceTransport,r.dtlsTransport=this.transceivers[0].dtlsTransport;else{var i=this._createIceAndDtlsTransports();r.iceTransport=i.iceTransport,r.dtlsTransport=i.dtlsTransport}return t||this.transceivers.push(r),r},l.prototype.addTrack=function(t,n){if(this._isClosed)throw c("InvalidStateError","Attempted to call addTrack on a closed peerconnection.");var r;if(this.transceivers.find(function(e){return e.track===t}))throw c("InvalidAccessError","Track already exists.");for(var i=0;i<this.transceivers.length;i++)this.transceivers[i].track||this.transceivers[i].kind!==t.kind||(r=this.transceivers[i]);return r||(r=this._createTransceiver(t.kind)),this._maybeFireNegotiationNeeded(),-1===this.localStreams.indexOf(n)&&this.localStreams.push(n),r.track=t,r.stream=n,r.rtpSender=new e.RTCRtpSender(t,r.dtlsTransport),r.rtpSender},l.prototype.addStream=function(e){var n=this;if(t>=15025)e.getTracks().forEach(function(t){n.addTrack(t,e)});else{var r=e.clone();e.getTracks().forEach(function(e,t){var n=r.getTracks()[t];e.addEventListener("enabled",function(e){n.enabled=e.enabled})}),r.getTracks().forEach(function(e){n.addTrack(e,r)})}},l.prototype.removeTrack=function(t){if(this._isClosed)throw c("InvalidStateError","Attempted to call removeTrack on a closed peerconnection.");if(!(t instanceof e.RTCRtpSender))throw new TypeError("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.");var n=this.transceivers.find(function(e){return e.rtpSender===t});if(!n)throw c("InvalidAccessError","Sender was not created by this connection.");var r=n.stream;n.rtpSender.stop(),n.rtpSender=null,n.track=null,n.stream=null,-1===this.transceivers.map(function(e){return e.stream}).indexOf(r)&&this.localStreams.indexOf(r)>-1&&this.localStreams.splice(this.localStreams.indexOf(r),1),this._maybeFireNegotiationNeeded()},l.prototype.removeStream=function(e){var t=this;e.getTracks().forEach(function(e){var n=t.getSenders().find(function(t){return t.track===e});n&&t.removeTrack(n)})},l.prototype.getSenders=function(){return this.transceivers.filter(function(e){return!!e.rtpSender}).map(function(e){return e.rtpSender})},l.prototype.getReceivers=function(){return this.transceivers.filter(function(e){return!!e.rtpReceiver}).map(function(e){return e.rtpReceiver})},l.prototype._createIceGatherer=function(t,n){var r=this;if(n&&t>0)return this.transceivers[0].iceGatherer;if(this._iceGatherers.length)return this._iceGatherers.shift();var i=new e.RTCIceGatherer({iceServers:this._config.iceServers,gatherPolicy:this._config.iceTransportPolicy});return Object.defineProperty(i,"state",{value:"new",writable:!0}),this.transceivers[t].bufferedCandidateEvents=[],this.transceivers[t].bufferCandidates=function(e){var n=!e.candidate||0===Object.keys(e.candidate).length;i.state=n?"completed":"gathering",null!==r.transceivers[t].bufferedCandidateEvents&&r.transceivers[t].bufferedCandidateEvents.push(e)},i.addEventListener("localcandidate",this.transceivers[t].bufferCandidates),i},l.prototype._gather=function(t,n){var i=this,s=this.transceivers[n].iceGatherer;if(!s.onlocalcandidate){var o=this.transceivers[n].bufferedCandidateEvents;this.transceivers[n].bufferedCandidateEvents=null,s.removeEventListener("localcandidate",this.transceivers[n].bufferCandidates),s.onlocalcandidate=function(e){if(!(i.usingBundle&&n>0)){var o=new Event("icecandidate");o.candidate={sdpMid:t,sdpMLineIndex:n};var a=e.candidate,c=!a||0===Object.keys(a).length;if(c)"new"!==s.state&&"gathering"!==s.state||(s.state="completed");else{"new"===s.state&&(s.state="gathering"),a.component=1,a.ufrag=s.getLocalParameters().usernameFragment;var d=r.writeCandidate(a);o.candidate=Object.assign(o.candidate,r.parseCandidate(d)),o.candidate.candidate=d,o.candidate.toJSON=function(){return{candidate:o.candidate.candidate,sdpMid:o.candidate.sdpMid,sdpMLineIndex:o.candidate.sdpMLineIndex,usernameFragment:o.candidate.usernameFragment}}}var l=r.getMediaSections(i._localDescription.sdp);l[o.candidate.sdpMLineIndex]+=c?"a=end-of-candidates\r\n":"a="+o.candidate.candidate+"\r\n",i._localDescription.sdp=r.getDescription(i._localDescription.sdp)+l.join("");var u=i.transceivers.every(function(e){return e.iceGatherer&&"completed"===e.iceGatherer.state});"gathering"!==i.iceGatheringState&&(i.iceGatheringState="gathering",i._emitGatheringStateChange()),c||i._dispatchEvent("icecandidate",o),u&&(i._dispatchEvent("icecandidate",new Event("icecandidate")),i.iceGatheringState="complete",i._emitGatheringStateChange())}},e.setTimeout(function(){o.forEach(function(e){s.onlocalcandidate(e)})},0)}},l.prototype._createIceAndDtlsTransports=function(){var t=this,n=new e.RTCIceTransport(null);n.onicestatechange=function(){t._updateIceConnectionState(),t._updateConnectionState()};var r=new e.RTCDtlsTransport(n);return r.ondtlsstatechange=function(){t._updateConnectionState()},r.onerror=function(){Object.defineProperty(r,"state",{value:"failed",writable:!0}),t._updateConnectionState()},{iceTransport:n,dtlsTransport:r}},l.prototype._disposeIceAndDtlsTransports=function(e){var t=this.transceivers[e].iceGatherer;t&&(delete t.onlocalcandidate,delete this.transceivers[e].iceGatherer);var n=this.transceivers[e].iceTransport;n&&(delete n.onicestatechange,delete this.transceivers[e].iceTransport);var r=this.transceivers[e].dtlsTransport;r&&(delete r.ondtlsstatechange,delete r.onerror,delete this.transceivers[e].dtlsTransport)},l.prototype._transceive=function(e,n,i){var o=s(e.localCapabilities,e.remoteCapabilities);n&&e.rtpSender&&(o.encodings=e.sendEncodingParameters,o.rtcp={cname:r.localCName,compound:e.rtcpParameters.compound},e.recvEncodingParameters.length&&(o.rtcp.ssrc=e.recvEncodingParameters[0].ssrc),e.rtpSender.send(o)),i&&e.rtpReceiver&&o.codecs.length>0&&("video"===e.kind&&e.recvEncodingParameters&&t<15019&&e.recvEncodingParameters.forEach(function(e){delete e.rtx}),e.recvEncodingParameters.length?o.encodings=e.recvEncodingParameters:o.encodings=[{}],o.rtcp={compound:e.rtcpParameters.compound},e.rtcpParameters.cname&&(o.rtcp.cname=e.rtcpParameters.cname),e.sendEncodingParameters.length&&(o.rtcp.ssrc=e.sendEncodingParameters[0].ssrc),e.rtpReceiver.receive(o))},l.prototype.setLocalDescription=function(e){var t,n,i=this;if(-1===["offer","answer"].indexOf(e.type))return Promise.reject(c("TypeError",'Unsupported type "'+e.type+'"'));if(!o("setLocalDescription",e.type,i.signalingState)||i._isClosed)return Promise.reject(c("InvalidStateError","Can not set local "+e.type+" in state "+i.signalingState));if("offer"===e.type)t=r.splitSections(e.sdp),n=t.shift(),t.forEach(function(e,t){var n=r.parseRtpParameters(e);i.transceivers[t].localCapabilities=n}),i.transceivers.forEach(function(e,t){i._gather(e.mid,t)});else if("answer"===e.type){t=r.splitSections(i._remoteDescription.sdp),n=t.shift();var a=r.matchPrefix(n,"a=ice-lite").length>0;t.forEach(function(e,t){var o=i.transceivers[t],c=o.iceGatherer,d=o.iceTransport,l=o.dtlsTransport,u=o.localCapabilities,h=o.remoteCapabilities;if(!(r.isRejected(e)&&0===r.matchPrefix(e,"a=bundle-only").length)&&!o.rejected){var p=r.getIceParameters(e,n),f=r.getDtlsParameters(e,n);a&&(f.role="server"),i.usingBundle&&0!==t||(i._gather(o.mid,t),"new"===d.state&&d.start(c,p,a?"controlling":"controlled"),"new"===l.state&&l.start(f));var m=s(u,h);i._transceive(o,m.codecs.length>0,!1)}})}return i._localDescription={type:e.type,sdp:e.sdp},"offer"===e.type?i._updateSignalingState("have-local-offer"):i._updateSignalingState("stable"),Promise.resolve()},l.prototype.setRemoteDescription=function(i){var l=this;if(-1===["offer","answer"].indexOf(i.type))return Promise.reject(c("TypeError",'Unsupported type "'+i.type+'"'));if(!o("setRemoteDescription",i.type,l.signalingState)||l._isClosed)return Promise.reject(c("InvalidStateError","Can not set remote "+i.type+" in state "+l.signalingState));var u={};l.remoteStreams.forEach(function(e){u[e.id]=e});var h=[],p=r.splitSections(i.sdp),f=p.shift(),m=r.matchPrefix(f,"a=ice-lite").length>0,g=r.matchPrefix(f,"a=group:BUNDLE ").length>0;l.usingBundle=g;var v=r.matchPrefix(f,"a=ice-options:")[0];return l.canTrickleIceCandidates=!!v&&v.substr(14).split(" ").indexOf("trickle")>=0,p.forEach(function(o,c){var d=r.splitLines(o),p=r.getKind(o),v=r.isRejected(o)&&0===r.matchPrefix(o,"a=bundle-only").length,S=d[0].substr(2).split(" ")[2],y=r.getDirection(o,f),b=r.parseMsid(o),C=r.getMid(o)||r.generateIdentifier();if(v||"application"===p&&("DTLS/SCTP"===S||"UDP/DTLS/SCTP"===S))l.transceivers[c]={mid:C,kind:p,protocol:S,rejected:!0};else{var _,T,E,w,x,I,R,k,A;!v&&l.transceivers[c]&&l.transceivers[c].rejected&&(l.transceivers[c]=l._createTransceiver(p,!0));var O,N,D=r.parseRtpParameters(o);v||(O=r.getIceParameters(o,f),(N=r.getDtlsParameters(o,f)).role="client"),R=r.parseRtpEncodingParameters(o);var P=r.parseRtcpParameters(o),L=r.matchPrefix(o,"a=end-of-candidates",f).length>0,M=r.matchPrefix(o,"a=candidate:").map(function(e){return r.parseCandidate(e)}).filter(function(e){return 1===e.component});if(("offer"===i.type||"answer"===i.type)&&!v&&g&&c>0&&l.transceivers[c]&&(l._disposeIceAndDtlsTransports(c),l.transceivers[c].iceGatherer=l.transceivers[0].iceGatherer,l.transceivers[c].iceTransport=l.transceivers[0].iceTransport,l.transceivers[c].dtlsTransport=l.transceivers[0].dtlsTransport,l.transceivers[c].rtpSender&&l.transceivers[c].rtpSender.setTransport(l.transceivers[0].dtlsTransport),l.transceivers[c].rtpReceiver&&l.transceivers[c].rtpReceiver.setTransport(l.transceivers[0].dtlsTransport)),"offer"!==i.type||v){if("answer"===i.type&&!v){T=(_=l.transceivers[c]).iceGatherer,E=_.iceTransport,w=_.dtlsTransport,x=_.rtpReceiver,I=_.sendEncodingParameters,k=_.localCapabilities,l.transceivers[c].recvEncodingParameters=R,l.transceivers[c].remoteCapabilities=D,l.transceivers[c].rtcpParameters=P,M.length&&"new"===E.state&&(!m&&!L||g&&0!==c?M.forEach(function(e){a(_.iceTransport,e)}):E.setRemoteCandidates(M)),g&&0!==c||("new"===E.state&&E.start(T,O,"controlling"),"new"===w.state&&w.start(N)),!s(_.localCapabilities,_.remoteCapabilities).codecs.filter(function(e){return"rtx"===e.name.toLowerCase()}).length&&_.sendEncodingParameters[0].rtx&&delete _.sendEncodingParameters[0].rtx,l._transceive(_,"sendrecv"===y||"recvonly"===y,"sendrecv"===y||"sendonly"===y),!x||"sendrecv"!==y&&"sendonly"!==y?delete _.rtpReceiver:(A=x.track,b?(u[b.stream]||(u[b.stream]=new e.MediaStream),n(A,u[b.stream]),h.push([A,x,u[b.stream]])):(u.default||(u.default=new e.MediaStream),n(A,u.default),h.push([A,x,u.default])))}}else{(_=l.transceivers[c]||l._createTransceiver(p)).mid=C,_.iceGatherer||(_.iceGatherer=l._createIceGatherer(c,g)),M.length&&"new"===_.iceTransport.state&&(!L||g&&0!==c?M.forEach(function(e){a(_.iceTransport,e)}):_.iceTransport.setRemoteCandidates(M)),k=e.RTCRtpReceiver.getCapabilities(p),t<15019&&(k.codecs=k.codecs.filter(function(e){return"rtx"!==e.name})),I=_.sendEncodingParameters||[{ssrc:1001*(2*c+2)}];var j,q=!1;if("sendrecv"===y||"sendonly"===y){if(q=!_.rtpReceiver,x=_.rtpReceiver||new e.RTCRtpReceiver(_.dtlsTransport,p),q)A=x.track,b&&"-"===b.stream||(b?(u[b.stream]||(u[b.stream]=new e.MediaStream,Object.defineProperty(u[b.stream],"id",{get:function(){return b.stream}})),Object.defineProperty(A,"id",{get:function(){return b.track}}),j=u[b.stream]):(u.default||(u.default=new e.MediaStream),j=u.default)),j&&(n(A,j),_.associatedRemoteMediaStreams.push(j)),h.push([A,x,j])}else _.rtpReceiver&&_.rtpReceiver.track&&(_.associatedRemoteMediaStreams.forEach(function(t){var n,r,i=t.getTracks().find(function(e){return e.id===_.rtpReceiver.track.id});i&&(n=i,(r=t).removeTrack(n),r.dispatchEvent(new e.MediaStreamTrackEvent("removetrack",{track:n})))}),_.associatedRemoteMediaStreams=[]);_.localCapabilities=k,_.remoteCapabilities=D,_.rtpReceiver=x,_.rtcpParameters=P,_.sendEncodingParameters=I,_.recvEncodingParameters=R,l._transceive(l.transceivers[c],!1,q)}}}),void 0===l._dtlsRole&&(l._dtlsRole="offer"===i.type?"active":"passive"),l._remoteDescription={type:i.type,sdp:i.sdp},"offer"===i.type?l._updateSignalingState("have-remote-offer"):l._updateSignalingState("stable"),Object.keys(u).forEach(function(t){var n=u[t];if(n.getTracks().length){if(-1===l.remoteStreams.indexOf(n)){l.remoteStreams.push(n);var r=new Event("addstream");r.stream=n,e.setTimeout(function(){l._dispatchEvent("addstream",r)})}h.forEach(function(e){var t=e[0],r=e[1];n.id===e[2].id&&d(l,t,r,[n])})}}),h.forEach(function(e){e[2]||d(l,e[0],e[1],[])}),e.setTimeout(function(){l&&l.transceivers&&l.transceivers.forEach(function(e){e.iceTransport&&"new"===e.iceTransport.state&&e.iceTransport.getRemoteCandidates().length>0&&(console.warn("Timeout for addRemoteCandidate. Consider sending an end-of-candidates notification"),e.iceTransport.addRemoteCandidate({}))})},4e3),Promise.resolve()},l.prototype.close=function(){this.transceivers.forEach(function(e){e.iceTransport&&e.iceTransport.stop(),e.dtlsTransport&&e.dtlsTransport.stop(),e.rtpSender&&e.rtpSender.stop(),e.rtpReceiver&&e.rtpReceiver.stop()}),this._isClosed=!0,this._updateSignalingState("closed")},l.prototype._updateSignalingState=function(e){this.signalingState=e;var t=new Event("signalingstatechange");this._dispatchEvent("signalingstatechange",t)},l.prototype._maybeFireNegotiationNeeded=function(){var t=this;"stable"===this.signalingState&&!0!==this.needNegotiation&&(this.needNegotiation=!0,e.setTimeout(function(){if(t.needNegotiation){t.needNegotiation=!1;var e=new Event("negotiationneeded");t._dispatchEvent("negotiationneeded",e)}},0))},l.prototype._updateIceConnectionState=function(){var e,t={new:0,closed:0,checking:0,connected:0,completed:0,disconnected:0,failed:0};if(this.transceivers.forEach(function(e){e.iceTransport&&!e.rejected&&t[e.iceTransport.state]++}),e="new",t.failed>0?e="failed":t.checking>0?e="checking":t.disconnected>0?e="disconnected":t.new>0?e="new":t.connected>0?e="connected":t.completed>0&&(e="completed"),e!==this.iceConnectionState){this.iceConnectionState=e;var n=new Event("iceconnectionstatechange");this._dispatchEvent("iceconnectionstatechange",n)}},l.prototype._updateConnectionState=function(){var e,t={new:0,closed:0,connecting:0,connected:0,completed:0,disconnected:0,failed:0};if(this.transceivers.forEach(function(e){e.iceTransport&&e.dtlsTransport&&!e.rejected&&(t[e.iceTransport.state]++,t[e.dtlsTransport.state]++)}),t.connected+=t.completed,e="new",t.failed>0?e="failed":t.connecting>0?e="connecting":t.disconnected>0?e="disconnected":t.new>0?e="new":t.connected>0&&(e="connected"),e!==this.connectionState){this.connectionState=e;var n=new Event("connectionstatechange");this._dispatchEvent("connectionstatechange",n)}},l.prototype.createOffer=function(){var n=this;if(n._isClosed)return Promise.reject(c("InvalidStateError","Can not call createOffer after close"));var s=n.transceivers.filter(function(e){return"audio"===e.kind}).length,o=n.transceivers.filter(function(e){return"video"===e.kind}).length,a=arguments[0];if(a){if(a.mandatory||a.optional)throw new TypeError("Legacy mandatory/optional constraints not supported.");void 0!==a.offerToReceiveAudio&&(s=!0===a.offerToReceiveAudio?1:!1===a.offerToReceiveAudio?0:a.offerToReceiveAudio),void 0!==a.offerToReceiveVideo&&(o=!0===a.offerToReceiveVideo?1:!1===a.offerToReceiveVideo?0:a.offerToReceiveVideo)}for(n.transceivers.forEach(function(e){"audio"===e.kind?--s<0&&(e.wantReceive=!1):"video"===e.kind&&--o<0&&(e.wantReceive=!1)});s>0||o>0;)s>0&&(n._createTransceiver("audio"),s--),o>0&&(n._createTransceiver("video"),o--);var d=r.writeSessionBoilerplate(n._sdpSessionId,n._sdpSessionVersion++);n.transceivers.forEach(function(i,s){var o=i.track,a=i.kind,c=i.mid||r.generateIdentifier();i.mid=c,i.iceGatherer||(i.iceGatherer=n._createIceGatherer(s,n.usingBundle));var d=e.RTCRtpSender.getCapabilities(a);t<15019&&(d.codecs=d.codecs.filter(function(e){return"rtx"!==e.name})),d.codecs.forEach(function(e){"H264"===e.name&&void 0===e.parameters["level-asymmetry-allowed"]&&(e.parameters["level-asymmetry-allowed"]="1"),i.remoteCapabilities&&i.remoteCapabilities.codecs&&i.remoteCapabilities.codecs.forEach(function(t){e.name.toLowerCase()===t.name.toLowerCase()&&e.clockRate===t.clockRate&&(e.preferredPayloadType=t.payloadType)})}),d.headerExtensions.forEach(function(e){(i.remoteCapabilities&&i.remoteCapabilities.headerExtensions||[]).forEach(function(t){e.uri===t.uri&&(e.id=t.id)})});var l=i.sendEncodingParameters||[{ssrc:1001*(2*s+1)}];o&&t>=15019&&"video"===a&&!l[0].rtx&&(l[0].rtx={ssrc:l[0].ssrc+1}),i.wantReceive&&(i.rtpReceiver=new e.RTCRtpReceiver(i.dtlsTransport,a)),i.localCapabilities=d,i.sendEncodingParameters=l}),"max-compat"!==n._config.bundlePolicy&&(d+="a=group:BUNDLE "+n.transceivers.map(function(e){return e.mid}).join(" ")+"\r\n"),d+="a=ice-options:trickle\r\n",n.transceivers.forEach(function(e,t){d+=i(e,e.localCapabilities,"offer",e.stream,n._dtlsRole),d+="a=rtcp-rsize\r\n",!e.iceGatherer||"new"===n.iceGatheringState||0!==t&&n.usingBundle||(e.iceGatherer.getLocalCandidates().forEach(function(e){e.component=1,d+="a="+r.writeCandidate(e)+"\r\n"}),"completed"===e.iceGatherer.state&&(d+="a=end-of-candidates\r\n"))});var l=new e.RTCSessionDescription({type:"offer",sdp:d});return Promise.resolve(l)},l.prototype.createAnswer=function(){var n=this;if(n._isClosed)return Promise.reject(c("InvalidStateError","Can not call createAnswer after close"));if("have-remote-offer"!==n.signalingState&&"have-local-pranswer"!==n.signalingState)return Promise.reject(c("InvalidStateError","Can not call createAnswer in signalingState "+n.signalingState));var o=r.writeSessionBoilerplate(n._sdpSessionId,n._sdpSessionVersion++);n.usingBundle&&(o+="a=group:BUNDLE "+n.transceivers.map(function(e){return e.mid}).join(" ")+"\r\n"),o+="a=ice-options:trickle\r\n";var a=r.getMediaSections(n._remoteDescription.sdp).length;n.transceivers.forEach(function(e,r){if(!(r+1>a)){if(e.rejected)return"application"===e.kind?"DTLS/SCTP"===e.protocol?o+="m=application 0 DTLS/SCTP 5000\r\n":o+="m=application 0 "+e.protocol+" webrtc-datachannel\r\n":"audio"===e.kind?o+="m=audio 0 UDP/TLS/RTP/SAVPF 0\r\na=rtpmap:0 PCMU/8000\r\n":"video"===e.kind&&(o+="m=video 0 UDP/TLS/RTP/SAVPF 120\r\na=rtpmap:120 VP8/90000\r\n"),void(o+="c=IN IP4 0.0.0.0\r\na=inactive\r\na=mid:"+e.mid+"\r\n");var c;if(e.stream)"audio"===e.kind?c=e.stream.getAudioTracks()[0]:"video"===e.kind&&(c=e.stream.getVideoTracks()[0]),c&&t>=15019&&"video"===e.kind&&!e.sendEncodingParameters[0].rtx&&(e.sendEncodingParameters[0].rtx={ssrc:e.sendEncodingParameters[0].ssrc+1});var d=s(e.localCapabilities,e.remoteCapabilities);!d.codecs.filter(function(e){return"rtx"===e.name.toLowerCase()}).length&&e.sendEncodingParameters[0].rtx&&delete e.sendEncodingParameters[0].rtx,o+=i(e,d,"answer",e.stream,n._dtlsRole),e.rtcpParameters&&e.rtcpParameters.reducedSize&&(o+="a=rtcp-rsize\r\n")}});var d=new e.RTCSessionDescription({type:"answer",sdp:o});return Promise.resolve(d)},l.prototype.addIceCandidate=function(e){var t,n=this;return e&&void 0===e.sdpMLineIndex&&!e.sdpMid?Promise.reject(new TypeError("sdpMLineIndex or sdpMid required")):new Promise(function(i,s){if(!n._remoteDescription)return s(c("InvalidStateError","Can not add ICE candidate without a remote description"));if(e&&""!==e.candidate){var o=e.sdpMLineIndex;if(e.sdpMid)for(var d=0;d<n.transceivers.length;d++)if(n.transceivers[d].mid===e.sdpMid){o=d;break}var l=n.transceivers[o];if(!l)return s(c("OperationError","Can not add ICE candidate"));if(l.rejected)return i();var u=Object.keys(e.candidate).length>0?r.parseCandidate(e.candidate):{};if("tcp"===u.protocol&&(0===u.port||9===u.port))return i();if(u.component&&1!==u.component)return i();if((0===o||o>0&&l.iceTransport!==n.transceivers[0].iceTransport)&&!a(l.iceTransport,u))return s(c("OperationError","Can not add ICE candidate"));var h=e.candidate.trim();0===h.indexOf("a=")&&(h=h.substr(2)),(t=r.getMediaSections(n._remoteDescription.sdp))[o]+="a="+(u.type?h:"end-of-candidates")+"\r\n",n._remoteDescription.sdp=r.getDescription(n._remoteDescription.sdp)+t.join("")}else for(var p=0;p<n.transceivers.length&&(n.transceivers[p].rejected||(n.transceivers[p].iceTransport.addRemoteCandidate({}),(t=r.getMediaSections(n._remoteDescription.sdp))[p]+="a=end-of-candidates\r\n",n._remoteDescription.sdp=r.getDescription(n._remoteDescription.sdp)+t.join(""),!n.usingBundle));p++);i()})},l.prototype.getStats=function(t){if(t&&t instanceof e.MediaStreamTrack){var n=null;if(this.transceivers.forEach(function(e){e.rtpSender&&e.rtpSender.track===t?n=e.rtpSender:e.rtpReceiver&&e.rtpReceiver.track===t&&(n=e.rtpReceiver)}),!n)throw c("InvalidAccessError","Invalid selector.");return n.getStats()}var r=[];return this.transceivers.forEach(function(e){["rtpSender","rtpReceiver","iceGatherer","iceTransport","dtlsTransport"].forEach(function(t){e[t]&&r.push(e[t].getStats())})}),Promise.all(r).then(function(e){var t=new Map;return e.forEach(function(e){e.forEach(function(e){t.set(e.id,e)})}),t})};["RTCRtpSender","RTCRtpReceiver","RTCIceGatherer","RTCIceTransport","RTCDtlsTransport"].forEach(function(t){var n=e[t];if(n&&n.prototype&&n.prototype.getStats){var r=n.prototype.getStats;n.prototype.getStats=function(){return r.apply(this).then(function(e){var t=new Map;return Object.keys(e).forEach(function(n){var r;e[n].type={inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[(r=e[n]).type]||r.type,t.set(n,e[n])}),t})}}});var u=["createOffer","createAnswer"];return u.forEach(function(e){var t=l.prototype[e];l.prototype[e]=function(){var e=arguments;return"function"==typeof e[0]||"function"==typeof e[1]?t.apply(this,[arguments[2]]).then(function(t){"function"==typeof e[0]&&e[0].apply(null,[t])},function(t){"function"==typeof e[1]&&e[1].apply(null,[t])}):t.apply(this,arguments)}}),(u=["setLocalDescription","setRemoteDescription","addIceCandidate"]).forEach(function(e){var t=l.prototype[e];l.prototype[e]=function(){var e=arguments;return"function"==typeof e[1]||"function"==typeof e[2]?t.apply(this,arguments).then(function(){"function"==typeof e[1]&&e[1].apply(null)},function(t){"function"==typeof e[2]&&e[2].apply(null,[t])}):t.apply(this,arguments)}}),["getStats"].forEach(function(e){var t=l.prototype[e];l.prototype[e]=function(){var e=arguments;return"function"==typeof e[1]?t.apply(this,arguments).then(function(){"function"==typeof e[1]&&e[1].apply(null)}):t.apply(this,arguments)}}),l}},{sdp:12}],8:[function(e,t,n){var r=t.exports={v:[{name:"version",reg:/^(\d*)$/}],o:[{name:"origin",reg:/^(\S*) (\d*) (\d*) (\S*) IP(\d) (\S*)/,names:["username","sessionId","sessionVersion","netType","ipVer","address"],format:"%s %s %d %s IP%d %s"}],s:[{name:"name"}],i:[{name:"description"}],u:[{name:"uri"}],e:[{name:"email"}],p:[{name:"phone"}],z:[{name:"timezones"}],r:[{name:"repeats"}],t:[{name:"timing",reg:/^(\d*) (\d*)/,names:["start","stop"],format:"%d %d"}],c:[{name:"connection",reg:/^IN IP(\d) (\S*)/,names:["version","ip"],format:"IN IP%d %s"}],b:[{push:"bandwidth",reg:/^(TIAS|AS|CT|RR|RS):(\d*)/,names:["type","limit"],format:"%s:%s"}],m:[{reg:/^(\w*) (\d*) ([\w/]*)(?: (.*))?/,names:["type","port","protocol","payloads"],format:"%s %d %s %s"}],a:[{push:"rtp",reg:/^rtpmap:(\d*) ([\w\-.]*)(?:\s*\/(\d*)(?:\s*\/(\S*))?)?/,names:["payload","codec","rate","encoding"],format:function(e){return e.encoding?"rtpmap:%d %s/%s/%s":e.rate?"rtpmap:%d %s/%s":"rtpmap:%d %s"}},{push:"fmtp",reg:/^fmtp:(\d*) ([\S| ]*)/,names:["payload","config"],format:"fmtp:%d %s"},{name:"control",reg:/^control:(.*)/,format:"control:%s"},{name:"rtcp",reg:/^rtcp:(\d*)(?: (\S*) IP(\d) (\S*))?/,names:["port","netType","ipVer","address"],format:function(e){return null!=e.address?"rtcp:%d %s IP%d %s":"rtcp:%d"}},{push:"rtcpFbTrrInt",reg:/^rtcp-fb:(\*|\d*) trr-int (\d*)/,names:["payload","value"],format:"rtcp-fb:%d trr-int %d"},{push:"rtcpFb",reg:/^rtcp-fb:(\*|\d*) ([\w-_]*)(?: ([\w-_]*))?/,names:["payload","type","subtype"],format:function(e){return null!=e.subtype?"rtcp-fb:%s %s %s":"rtcp-fb:%s %s"}},{push:"ext",reg:/^extmap:(\d+)(?:\/(\w+))?(?: (urn:ietf:params:rtp-hdrext:encrypt))? (\S*)(?: (\S*))?/,names:["value","direction","encrypt-uri","uri","config"],format:function(e){return"extmap:%d"+(e.direction?"/%s":"%v")+(e["encrypt-uri"]?" %s":"%v")+" %s"+(e.config?" %s":"")}},{push:"crypto",reg:/^crypto:(\d*) ([\w_]*) (\S*)(?: (\S*))?/,names:["id","suite","config","sessionConfig"],format:function(e){return null!=e.sessionConfig?"crypto:%d %s %s %s":"crypto:%d %s %s"}},{name:"setup",reg:/^setup:(\w*)/,format:"setup:%s"},{name:"connectionType",reg:/^connection:(new|existing)/,format:"connection:%s"},{name:"mid",reg:/^mid:([^\s]*)/,format:"mid:%s"},{name:"msid",reg:/^msid:(.*)/,format:"msid:%s"},{name:"ptime",reg:/^ptime:(\d*)/,format:"ptime:%d"},{name:"maxptime",reg:/^maxptime:(\d*)/,format:"maxptime:%d"},{name:"direction",reg:/^(sendrecv|recvonly|sendonly|inactive)/},{name:"icelite",reg:/^(ice-lite)/},{name:"iceUfrag",reg:/^ice-ufrag:(\S*)/,format:"ice-ufrag:%s"},{name:"icePwd",reg:/^ice-pwd:(\S*)/,format:"ice-pwd:%s"},{name:"fingerprint",reg:/^fingerprint:(\S*) (\S*)/,names:["type","hash"],format:"fingerprint:%s %s"},{push:"candidates",reg:/^candidate:(\S*) (\d*) (\S*) (\d*) (\S*) (\d*) typ (\S*)(?: raddr (\S*) rport (\d*))?(?: tcptype (\S*))?(?: generation (\d*))?(?: network-id (\d*))?(?: network-cost (\d*))?/,names:["foundation","component","transport","priority","ip","port","type","raddr","rport","tcptype","generation","network-id","network-cost"],format:function(e){var t="candidate:%s %d %s %d %s %d typ %s";return t+=null!=e.raddr?" raddr %s rport %d":"%v%v",t+=null!=e.tcptype?" tcptype %s":"%v",null!=e.generation&&(t+=" generation %d"),t+=null!=e["network-id"]?" network-id %d":"%v",t+=null!=e["network-cost"]?" network-cost %d":"%v"}},{name:"endOfCandidates",reg:/^(end-of-candidates)/},{name:"remoteCandidates",reg:/^remote-candidates:(.*)/,format:"remote-candidates:%s"},{name:"iceOptions",reg:/^ice-options:(\S*)/,format:"ice-options:%s"},{push:"ssrcs",reg:/^ssrc:(\d*) ([\w_-]*)(?::(.*))?/,names:["id","attribute","value"],format:function(e){var t="ssrc:%d";return null!=e.attribute&&(t+=" %s",null!=e.value&&(t+=":%s")),t}},{push:"ssrcGroups",reg:/^ssrc-group:([\x21\x23\x24\x25\x26\x27\x2A\x2B\x2D\x2E\w]*) (.*)/,names:["semantics","ssrcs"],format:"ssrc-group:%s %s"},{name:"msidSemantic",reg:/^msid-semantic:\s?(\w*) (\S*)/,names:["semantic","token"],format:"msid-semantic: %s %s"},{push:"groups",reg:/^group:(\w*) (.*)/,names:["type","mids"],format:"group:%s %s"},{name:"rtcpMux",reg:/^(rtcp-mux)/},{name:"rtcpRsize",reg:/^(rtcp-rsize)/},{name:"sctpmap",reg:/^sctpmap:([\w_/]*) (\S*)(?: (\S*))?/,names:["sctpmapNumber","app","maxMessageSize"],format:function(e){return null!=e.maxMessageSize?"sctpmap:%s %s %s":"sctpmap:%s %s"}},{name:"xGoogleFlag",reg:/^x-google-flag:([^\s]*)/,format:"x-google-flag:%s"},{push:"rids",reg:/^rid:([\d\w]+) (\w+)(?: ([\S| ]*))?/,names:["id","direction","params"],format:function(e){return e.params?"rid:%s %s %s":"rid:%s %s"}},{push:"imageattrs",reg:new RegExp("^imageattr:(\\d+|\\*)[\\s\\t]+(send|recv)[\\s\\t]+(\\*|\\[\\S+\\](?:[\\s\\t]+\\[\\S+\\])*)(?:[\\s\\t]+(recv|send)[\\s\\t]+(\\*|\\[\\S+\\](?:[\\s\\t]+\\[\\S+\\])*))?"),names:["pt","dir1","attrs1","dir2","attrs2"],format:function(e){return"imageattr:%s %s %s"+(e.dir2?" %s %s":"")}},{name:"simulcast",reg:new RegExp("^simulcast:(send|recv) ([a-zA-Z0-9\\-_~;,]+)(?:\\s?(send|recv) ([a-zA-Z0-9\\-_~;,]+))?$"),names:["dir1","list1","dir2","list2"],format:function(e){return"simulcast:%s %s"+(e.dir2?" %s %s":"")}},{name:"simulcast_03",reg:/^simulcast:[\s\t]+([\S+\s\t]+)$/,names:["value"],format:"simulcast: %s"},{name:"framerate",reg:/^framerate:(\d+(?:$|\.\d+))/,format:"framerate:%s"},{name:"sourceFilter",reg:/^source-filter: *(excl|incl) (\S*) (IP4|IP6|\*) (\S*) (.*)/,names:["filterMode","netType","addressTypes","destAddress","srcList"],format:"source-filter: %s %s %s %s %s"},{name:"bundleOnly",reg:/^(bundle-only)/},{name:"label",reg:/^label:(.+)/,format:"label:%s"},{name:"sctpPort",reg:/^sctp-port:(\d+)$/,format:"sctp-port:%s"},{name:"maxMessageSize",reg:/^max-message-size:(\d+)$/,format:"max-message-size:%s"},{name:"keywords",reg:/^keywds:(.+)$/,format:"keywds:%s"},{push:"invalid",names:["value"]}]};Object.keys(r).forEach(function(e){r[e].forEach(function(e){e.reg||(e.reg=/(.*)/),e.format||(e.format="%s")})})},{}],9:[function(e,t,n){var r=e("./parser"),i=e("./writer");n.write=i,n.parse=r.parse,n.parseFmtpConfig=r.parseFmtpConfig,n.parseParams=r.parseParams,n.parsePayloads=r.parsePayloads,n.parseRemoteCandidates=r.parseRemoteCandidates,n.parseImageAttributes=r.parseImageAttributes,n.parseSimulcastStreamList=r.parseSimulcastStreamList},{"./parser":10,"./writer":11}],10:[function(e,t,n){var r=function(e){return String(Number(e))===e?Number(e):e},i=function(e,t,n){var i=e.name&&e.names;e.push&&!t[e.push]?t[e.push]=[]:i&&!t[e.name]&&(t[e.name]={});var s=e.push?{}:i?t[e.name]:t;!function(e,t,n,i){if(i&&!n)t[i]=r(e[1]);else for(var s=0;s<n.length;s+=1)null!=e[s+1]&&(t[n[s]]=r(e[s+1]))}(n.match(e.reg),s,e.names,e.name),e.push&&t[e.push].push(s)},s=e("./grammar"),o=RegExp.prototype.test.bind(/^([a-z])=(.*)/);n.parse=function(e){var t={},n=[],r=t;return e.split(/(\r\n|\r|\n)/).filter(o).forEach(function(e){var t=e[0],o=e.slice(2);"m"===t&&(n.push({rtp:[],fmtp:[]}),r=n[n.length-1]);for(var a=0;a<(s[t]||[]).length;a+=1){var c=s[t][a];if(c.reg.test(o))return i(c,r,o)}}),t.media=n,t};var a=function(e,t){var n=t.split(/=(.+)/,2);return 2===n.length?e[n[0]]=r(n[1]):1===n.length&&t.length>1&&(e[n[0]]=void 0),e};n.parseParams=function(e){return e.split(/;\s?/).reduce(a,{})},n.parseFmtpConfig=n.parseParams,n.parsePayloads=function(e){return e.toString().split(" ").map(Number)},n.parseRemoteCandidates=function(e){for(var t=[],n=e.split(" ").map(r),i=0;i<n.length;i+=3)t.push({component:n[i],ip:n[i+1],port:n[i+2]});return t},n.parseImageAttributes=function(e){return e.split(" ").map(function(e){return e.substring(1,e.length-1).split(",").reduce(a,{})})},n.parseSimulcastStreamList=function(e){return e.split(";").map(function(e){return e.split(",").map(function(e){var t,n=!1;return"~"!==e[0]?t=r(e):(t=r(e.substring(1,e.length)),n=!0),{scid:t,paused:n}})})}},{"./grammar":8}],11:[function(e,t,n){var r=e("./grammar"),i=/%[sdv%]/g,s=function(e,t,n){var r=[e+"="+(t.format instanceof Function?t.format(t.push?n:n[t.name]):t.format)];if(t.names)for(var s=0;s<t.names.length;s+=1){var o=t.names[s];t.name?r.push(n[t.name][o]):r.push(n[t.names[s]])}else r.push(n[t.name]);return function(e){var t=1,n=arguments,r=n.length;return e.replace(i,function(e){if(t>=r)return e;var i=n[t];switch(t+=1,e){case"%%":return"%";case"%s":return String(i);case"%d":return Number(i);case"%v":return""}})}.apply(null,r)},o=["v","o","s","i","u","e","p","c","b","t","r","z","a"],a=["i","c","b","a"];t.exports=function(e,t){t=t||{},null==e.version&&(e.version=0),null==e.name&&(e.name=" "),e.media.forEach(function(e){null==e.payloads&&(e.payloads="")});var n=t.outerOrder||o,i=t.innerOrder||a,c=[];return n.forEach(function(t){r[t].forEach(function(n){n.name in e&&null!=e[n.name]?c.push(s(t,n,e)):n.push in e&&null!=e[n.push]&&e[n.push].forEach(function(e){c.push(s(t,n,e))})})}),e.media.forEach(function(e){c.push(s("m",r.m[0],e)),i.forEach(function(t){r[t].forEach(function(n){n.name in e&&null!=e[n.name]?c.push(s(t,n,e)):n.push in e&&null!=e[n.push]&&e[n.push].forEach(function(e){c.push(s(t,n,e))})})})}),c.join("\r\n")+"\r\n"}},{"./grammar":8}],12:[function(e,t,n){"use strict";var r={generateIdentifier:function(){return Math.random().toString(36).substr(2,10)}};r.localCName=r.generateIdentifier(),r.splitLines=function(e){return e.trim().split("\n").map(function(e){return e.trim()})},r.splitSections=function(e){return e.split("\nm=").map(function(e,t){return(t>0?"m="+e:e).trim()+"\r\n"})},r.getDescription=function(e){var t=r.splitSections(e);return t&&t[0]},r.getMediaSections=function(e){var t=r.splitSections(e);return t.shift(),t},r.matchPrefix=function(e,t){return r.splitLines(e).filter(function(e){return 0===e.indexOf(t)})},r.parseCandidate=function(e){for(var t,n={foundation:(t=0===e.indexOf("a=candidate:")?e.substring(12).split(" "):e.substring(10).split(" "))[0],component:parseInt(t[1],10),protocol:t[2].toLowerCase(),priority:parseInt(t[3],10),ip:t[4],address:t[4],port:parseInt(t[5],10),type:t[7]},r=8;r<t.length;r+=2)switch(t[r]){case"raddr":n.relatedAddress=t[r+1];break;case"rport":n.relatedPort=parseInt(t[r+1],10);break;case"tcptype":n.tcpType=t[r+1];break;case"ufrag":n.ufrag=t[r+1],n.usernameFragment=t[r+1];break;default:n[t[r]]=t[r+1]}return n},r.writeCandidate=function(e){var t=[];t.push(e.foundation),t.push(e.component),t.push(e.protocol.toUpperCase()),t.push(e.priority),t.push(e.address||e.ip),t.push(e.port);var n=e.type;return t.push("typ"),t.push(n),"host"!==n&&e.relatedAddress&&e.relatedPort&&(t.push("raddr"),t.push(e.relatedAddress),t.push("rport"),t.push(e.relatedPort)),e.tcpType&&"tcp"===e.protocol.toLowerCase()&&(t.push("tcptype"),t.push(e.tcpType)),(e.usernameFragment||e.ufrag)&&(t.push("ufrag"),t.push(e.usernameFragment||e.ufrag)),"candidate:"+t.join(" ")},r.parseIceOptions=function(e){return e.substr(14).split(" ")},r.parseRtpMap=function(e){var t=e.substr(9).split(" "),n={payloadType:parseInt(t.shift(),10)};return t=t[0].split("/"),n.name=t[0],n.clockRate=parseInt(t[1],10),n.channels=3===t.length?parseInt(t[2],10):1,n.numChannels=n.channels,n},r.writeRtpMap=function(e){var t=e.payloadType;void 0!==e.preferredPayloadType&&(t=e.preferredPayloadType);var n=e.channels||e.numChannels||1;return"a=rtpmap:"+t+" "+e.name+"/"+e.clockRate+(1!==n?"/"+n:"")+"\r\n"},r.parseExtmap=function(e){var t=e.substr(9).split(" ");return{id:parseInt(t[0],10),direction:t[0].indexOf("/")>0?t[0].split("/")[1]:"sendrecv",uri:t[1]}},r.writeExtmap=function(e){return"a=extmap:"+(e.id||e.preferredId)+(e.direction&&"sendrecv"!==e.direction?"/"+e.direction:"")+" "+e.uri+"\r\n"},r.parseFmtp=function(e){for(var t,n={},r=e.substr(e.indexOf(" ")+1).split(";"),i=0;i<r.length;i++)n[(t=r[i].trim().split("="))[0].trim()]=t[1];return n},r.writeFmtp=function(e){var t="",n=e.payloadType;if(void 0!==e.preferredPayloadType&&(n=e.preferredPayloadType),e.parameters&&Object.keys(e.parameters).length){var r=[];Object.keys(e.parameters).forEach(function(t){e.parameters[t]?r.push(t+"="+e.parameters[t]):r.push(t)}),t+="a=fmtp:"+n+" "+r.join(";")+"\r\n"}return t},r.parseRtcpFb=function(e){var t=e.substr(e.indexOf(" ")+1).split(" ");return{type:t.shift(),parameter:t.join(" ")}},r.writeRtcpFb=function(e){var t="",n=e.payloadType;return void 0!==e.preferredPayloadType&&(n=e.preferredPayloadType),e.rtcpFeedback&&e.rtcpFeedback.length&&e.rtcpFeedback.forEach(function(e){t+="a=rtcp-fb:"+n+" "+e.type+(e.parameter&&e.parameter.length?" "+e.parameter:"")+"\r\n"}),t},r.parseSsrcMedia=function(e){var t=e.indexOf(" "),n={ssrc:parseInt(e.substr(7,t-7),10)},r=e.indexOf(":",t);return r>-1?(n.attribute=e.substr(t+1,r-t-1),n.value=e.substr(r+1)):n.attribute=e.substr(t+1),n},r.parseSsrcGroup=function(e){var t=e.substr(13).split(" ");return{semantics:t.shift(),ssrcs:t.map(function(e){return parseInt(e,10)})}},r.getMid=function(e){var t=r.matchPrefix(e,"a=mid:")[0];if(t)return t.substr(6)},r.parseFingerprint=function(e){var t=e.substr(14).split(" ");return{algorithm:t[0].toLowerCase(),value:t[1]}},r.getDtlsParameters=function(e,t){return{role:"auto",fingerprints:r.matchPrefix(e+t,"a=fingerprint:").map(r.parseFingerprint)}},r.writeDtlsParameters=function(e,t){var n="a=setup:"+t+"\r\n";return e.fingerprints.forEach(function(e){n+="a=fingerprint:"+e.algorithm+" "+e.value+"\r\n"}),n},r.getIceParameters=function(e,t){var n=r.splitLines(e);return{usernameFragment:(n=n.concat(r.splitLines(t))).filter(function(e){return 0===e.indexOf("a=ice-ufrag:")})[0].substr(12),password:n.filter(function(e){return 0===e.indexOf("a=ice-pwd:")})[0].substr(10)}},r.writeIc