3 lines
49 KiB
JavaScript
3 lines
49 KiB
JavaScript
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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{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.adapter=e()}}(function(){return function e(t,r,n){function i(o,s){if(!r[o]){if(!t[o]){var c="function"==typeof require&&require;if(!s&&c)return c(o,!0);if(a)return a(o,!0);var d=new Error("Cannot find module '"+o+"'");throw d.code="MODULE_NOT_FOUND",d}var p=r[o]={exports:{}};t[o][0].call(p.exports,function(e){var r=t[o][1][e];return i(r||e)},p,p.exports,e,t,r,n)}return r[o].exports}for(var a="function"==typeof require&&require,o=0;o<n.length;o++)i(n[o]);return i}({1:[function(e,t,r){"use strict";var n={};n.generateIdentifier=function(){return Math.random().toString(36).substr(2,10)},n.localCName=n.generateIdentifier(),n.splitLines=function(e){return e.trim().split("\n").map(function(e){return e.trim()})},n.splitSections=function(e){return e.split("\nm=").map(function(e,t){return(t>0?"m="+e:e).trim()+"\r\n"})},n.matchPrefix=function(e,t){return n.splitLines(e).filter(function(e){return 0===e.indexOf(t)})},n.parseCandidate=function(e){var t;t=0===e.indexOf("a=candidate:")?e.substring(12).split(" "):e.substring(10).split(" ");for(var r={foundation:t[0],component:t[1],protocol:t[2].toLowerCase(),priority:parseInt(t[3],10),ip:t[4],port:parseInt(t[5],10),type:t[7]},n=8;n<t.length;n+=2)switch(t[n]){case"raddr":r.relatedAddress=t[n+1];break;case"rport":r.relatedPort=parseInt(t[n+1],10);break;case"tcptype":r.tcpType=t[n+1]}return r},n.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.ip),t.push(e.port);var r=e.type;return t.push("typ"),t.push(r),"host"!==r&&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)),"candidate:"+t.join(" ")},n.parseRtpMap=function(e){var t=e.substr(9).split(" "),r={payloadType:parseInt(t.shift(),10)};return t=t[0].split("/"),r.name=t[0],r.clockRate=parseInt(t[1],10),r.numChannels=3===t.length?parseInt(t[2],10):1,r},n.writeRtpMap=function(e){var t=e.payloadType;return void 0!==e.preferredPayloadType&&(t=e.preferredPayloadType),"a=rtpmap:"+t+" "+e.name+"/"+e.clockRate+(1!==e.numChannels?"/"+e.numChannels:"")+"\r\n"},n.parseExtmap=function(e){var t=e.substr(9).split(" ");return{id:parseInt(t[0],10),uri:t[1]}},n.writeExtmap=function(e){return"a=extmap:"+(e.id||e.preferredId)+" "+e.uri+"\r\n"},n.parseFmtp=function(e){for(var t,r={},n=e.substr(e.indexOf(" ")+1).split(";"),i=0;i<n.length;i++)t=n[i].trim().split("="),r[t[0].trim()]=t[1];return r},n.writeFmtp=function(e){var t="",r=e.payloadType;if(void 0!==e.preferredPayloadType&&(r=e.preferredPayloadType),e.parameters&&Object.keys(e.parameters).length){var n=[];Object.keys(e.parameters).forEach(function(t){n.push(t+"="+e.parameters[t])}),t+="a=fmtp:"+r+" "+n.join(";")+"\r\n"}return t},n.parseRtcpFb=function(e){var t=e.substr(e.indexOf(" ")+1).split(" ");return{type:t.shift(),parameter:t.join(" ")}},n.writeRtcpFb=function(e){var t="",r=e.payloadType;return void 0!==e.preferredPayloadType&&(r=e.preferredPayloadType),e.rtcpFeedback&&e.rtcpFeedback.length&&e.rtcpFeedback.forEach(function(e){t+="a=rtcp-fb:"+r+" "+e.type+(e.parameter&&e.parameter.length?" "+e.parameter:"")+"\r\n"}),t},n.parseSsrcMedia=function(e){var t=e.indexOf(" "),r={ssrc:parseInt(e.substr(7,t-7),10)},n=e.indexOf(":",t);return n>-1?(r.attribute=e.substr(t+1,n-t-1),r.value=e.substr(n+1)):r.attribute=e.substr(t+1),r},n.getMid=function(e){var t=n.matchPrefix(e,"a=mid:")[0];if(t)return t.substr(6)},n.getDtlsParameters=function(e,t){var r=n.splitLines(e);r=r.concat(n.splitLines(t));var i=r.filter(function(e){return 0===e.indexOf("a=fingerprint:")})[0].substr(14);return{role:"auto",fingerprints:[{algorithm:i.split(" ")[0].toLowerCase(),value:i.split(" ")[1]}]}},n.writeDtlsParameters=function(e,t){var r="a=setup:"+
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!P||"sendrecv"!==h&&"sendonly"!==h?delete w.rtpReceiver:(k=P.track,v?(n[v.stream]||(n[v.stream]=new MediaStream),n[v.stream].addTrack(k),i.push([k,P,n[v.stream]])):(n.default||(n.default=new MediaStream),n.default.addTrack(k),i.push([k,P,n.default]))));else{var _=d&&p>0?{iceGatherer:r.transceivers[0].iceGatherer,iceTransport:r.transceivers[0].iceTransport,dtlsTransport:r.transceivers[0].dtlsTransport}:r._createIceAndDtlsTransports(g,p);if(!L||d&&0!==p||_.iceTransport.setRemoteCandidates(j),E=RTCRtpReceiver.getCapabilities(f),e<15019&&(E.codecs=E.codecs.filter(function(e){return"rtx"!==e.name})),S=[{ssrc:1001*(2*p+2)}],"sendrecv"!==h&&"sendonly"!==h||(P=new RTCRtpReceiver(_.dtlsTransport,f),k=P.track,v?(n[v.stream]||(n[v.stream]=new MediaStream,Object.defineProperty(n[v.stream],"id",{get:function(){return v.stream}})),Object.defineProperty(k,"id",{get:function(){return v.track}}),n[v.stream].addTrack(k),i.push([k,P,n[v.stream]])):(n.default||(n.default=new MediaStream),n.default.addTrack(k),i.push([k,P,n.default]))),r.localStreams.length>0&&r.localStreams[0].getTracks().length>=p){var U;"audio"===f?U=r.localStreams[0].getAudioTracks()[0]:"video"===f&&(U=r.localStreams[0].getVideoTracks()[0]),U&&(e>=15019&&"video"===f&&(S[0].rtx={ssrc:1001*(2*p+2)+1}),T=new RTCRtpSender(U,_.dtlsTransport))}r.transceivers[p]={iceGatherer:_.iceGatherer,iceTransport:_.iceTransport,dtlsTransport:_.dtlsTransport,localCapabilities:E,remoteCapabilities:D,rtpSender:T,rtpReceiver:P,kind:f,mid:g,rtcpParameters:M,sendEncodingParameters:S,recvEncodingParameters:R},r._transceive(r.transceivers[p],!1,"sendrecv"===h||"sendonly"===h)}}),this.usingBundle=d,this.remoteDescription={type:t.type,sdp:t.sdp},t.type){case"offer":this._updateSignalingState("have-remote-offer");break;case"answer":this._updateSignalingState("stable");break;default:throw new TypeError('unsupported type "'+t.type+'"')}return Object.keys(n).forEach(function(e){var t=n[e];if(t.getTracks().length){r.remoteStreams.push(t);var a=new Event("addstream");a.stream=t,r.dispatchEvent(a),null!==r.onaddstream&&window.setTimeout(function(){r.onaddstream(a)},0),i.forEach(function(e){var n=e[0],i=e[1];if(t.id===e[2].id){var a=new Event("track");a.track=n,a.receiver=i,a.streams=[t],r.dispatchEvent(a),null!==r.ontrack&&window.setTimeout(function(){r.ontrack(a)},0)}})}}),arguments.length>1&&"function"==typeof arguments[1]&&window.setTimeout(arguments[1],0),Promise.resolve()},t.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._updateSignalingState("closed")},t.prototype._updateSignalingState=function(e){this.signalingState=e;var t=new Event("signalingstatechange");this.dispatchEvent(t),null!==this.onsignalingstatechange&&this.onsignalingstatechange(t)},t.prototype._maybeFireNegotiationNeeded=function(){var e=new Event("negotiationneeded");this.dispatchEvent(e),null!==this.onnegotiationneeded&&this.onnegotiationneeded(e)},t.prototype._updateConnectionState=function(){var e,t=this,r={new:0,closed:0,connecting:0,checking:0,connected:0,completed:0,failed:0};if(this.transceivers.forEach(function(e){r[e.iceTransport.state]++,r[e.dtlsTransport.state]++}),r.connected+=r.completed,e="new",r.failed>0?e="failed":r.connecting>0||r.checking>0?e="connecting":r.disconnected>0?e="disconnected":r.new>0?e="new":(r.connected>0||r.completed>0)&&(e="connected"),e!==t.iceConnectionState){t.iceConnectionState=e;var n=new Event("iceconnectionstatechange");this.dispatchEvent(n),null!==this.oniceconnectionstatechange&&this.oniceconnectionstatechange(n)}},t.prototype.createOffer=function(){var t=this;if(this._pendingOffer)throw new Error("createOffer called while there is a pending offer.");var r;1===arguments.length&&"function"!=typeof arguments[0]?r=arguments[0]:3===arguments.length&&(r=arguments[2]);var i=[],o=0,s=0;if(this.localStreams.length&&(o=this.localStreams.reduce(function(e,t){return e+t.getAudioTracks().length},0),s=this.localStreams.reduce(function(e
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