2021-02-28 08:05:36 +01:00
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!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).adapter=e()}}(function(){return function a(o,s,c){function d(t,e){if(!s[t]){if(!o[t]){var r="function"==typeof require&&require;if(!e&&r)return r(t,!0);if(p)return p(t,!0);var n=new Error("Cannot find module '"+t+"'");throw n.code="MODULE_NOT_FOUND",n}var i=s[t]={exports:{}};o[t][0].call(i.exports,function(e){return d(o[t][1][e]||e)},i,i.exports,a,o,s,c)}return s[t].exports}for(var p="function"==typeof require&&require,e=0;e<c.length;e++)d(c[e]);return d}({1:[function(e,t,r){"use strict";var N=e("sdp");function c(e,t,r,n,i){var a=N.writeRtpDescription(e.kind,t);if(a+=N.writeIceParameters(e.iceGatherer.getLocalParameters()),a+=N.writeDtlsParameters(e.dtlsTransport.getLocalParameters(),"offer"===r?"actpass":i||"active"),a+="a=mid:"+e.mid+"\r\n",e.rtpSender&&e.rtpReceiver?a+="a=sendrecv\r\n":e.rtpSender?a+="a=sendonly\r\n":e.rtpReceiver?a+="a=recvonly\r\n":a+="a=inactive\r\n",e.rtpSender){var o=e.rtpSender._initialTrackId||e.rtpSender.track.id;e.rtpSender._initialTrackId=o;var s="msid:"+(n?n.id:"-")+" "+o+"\r\n";a+="a="+s,a+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" "+s,e.sendEncodingParameters[0].rtx&&(a+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" "+s,a+="a=ssrc-group:FID "+e.sendEncodingParameters[0].ssrc+" "+e.sendEncodingParameters[0].rtx.ssrc+"\r\n")}return a+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" cname:"+N.localCName+"\r\n",e.rtpSender&&e.sendEncodingParameters[0].rtx&&(a+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" cname:"+N.localCName+"\r\n"),a}function A(d,p){function u(e,t){e=parseInt(e,10);for(var r=0;r<t.length;r++)if(t[r].payloadType===e||t[r].preferredPayloadType===e)return t[r]}var f={codecs:[],headerExtensions:[],fecMechanisms:[]};return d.codecs.forEach(function(r){for(var e=0;e<p.codecs.length;e++){var t=p.codecs[e];if(r.name.toLowerCase()===t.name.toLowerCase()&&r.clockRate===t.clockRate){if("rtx"===r.name.toLowerCase()&&r.parameters&&t.parameters.apt&&(n=r,i=t,a=d.codecs,o=p.codecs,c=s=void 0,s=u(n.parameters.apt,a),c=u(i.parameters.apt,o),!s||!c||s.name.toLowerCase()!==c.name.toLowerCase()))continue;(t=JSON.parse(JSON.stringify(t))).numChannels=Math.min(r.numChannels,t.numChannels),f.codecs.push(t),t.rtcpFeedback=t.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}}var n,i,a,o,s,c}),d.headerExtensions.forEach(function(e){for(var t=0;t<p.headerExtensions.length;t++){var r=p.headerExtensions[t];if(e.uri===r.uri){f.headerExtensions.push(r);break}}}),f}function a(e,t,r){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(r)}function U(e,t){var r=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 r||e.addRemoteCandidate(t),!r}function m(e,t){var r=new Error(t);return r.name=e,r.code={NotSupportedError:9,InvalidStateError:11,InvalidAccessError:15,TypeError:void 0,OperationError:void 0}[e],r}t.exports=function(I,L){function j(e,t){t.addTrack(e),t.dispatchEvent(new I.MediaStreamTrackEvent("addtrack",{track:e}))}function i(e,t,r,n){var i=new Event("track");i.track=t,i.receiver=r,i.transceiver={receiver:r},i.streams=n,I.setTimeout(function(){e._dispatchEvent("track",i)})}function n(e){var t=this,r=document.createDocumentFragment();if(["addEventListener","removeEventListener","dispatchEvent"].forEach(function(e){t[e]=r[e].bind(r)}),this.canTrickleIceCandidates=null,this.needNegotiation=!1,this.localStreams=[],this.remoteStreams=[],this._localDescription=null,this._remot
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