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t.browser="Not a supported browser.",t;t.browser="safari",t.version=a(r.userAgent,/AppleWebKit\/(\d+)\./,1),t.supportsUnifiedPlan=e.RTCRtpTransceiver&&"currentDirection"in e.RTCRtpTransceiver.prototype}return t},r.compactObject=function e(t){return s(t)?Object.keys(t).reduce(function(r,n){var i=s(t[n]),o=i?e(t[n]):t[n],a=i&&!Object.keys(o).length;return void 0===o||a?r:Object.assign(r,function(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}({},n,o))},{}):t},r.walkStats=c,r.filterStats=function(e,t,r){var n=r?"outbound-rtp":"inbound-rtp",i=new Map;if(null===t)return i;var o=[];return e.forEach(function(e){"track"===e.type&&e.trackIdentifier===t.id&&o.push(e)}),o.forEach(function(t){e.forEach(function(r){r.type===n&&r.trackId===t.id&&c(e,r,i)})}),i};var i=!0,o=!0;function a(e,t,r){var n=e.match(t);return n&&n.length>=r&&parseInt(n[r],10)}function s(e){return"[object Object]"===Object.prototype.toString.call(e)}function 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e?e+t.charAt(0).toUpperCase()+t.slice(1):"deviceId"===t?"sourceId":t};if(void 0!==n.ideal){t.optional=t.optional||[];var a={};"number"==typeof n.ideal?(a[o("min",r)]=n.ideal,t.optional.push(a),(a={})[o("max",r)]=n.ideal,t.optional.push(a)):(a[o("",r)]=n.ideal,t.optional.push(a))}void 0!==n.exact&&"number"!=typeof n.exact?(t.mandatory=t.mandatory||{},t.mandatory[o("",r)]=n.exact):["min","max"].forEach(function(e){void 0!==n[e]&&(t.mandatory=t.mandatory||{},t.mandatory[o(e,r)]=n[e])})}}),e.advanced&&(t.optional=(t.optional||[]).concat(e.advanced)),t},a=function(e,a){if(t.version>=61)return a(e);if((e=JSON.parse(JSON.stringify(e)))&&"object"===i(e.audio)){var s=function(e,t,r){t in e&&!(r in e)&&(e[r]=e[t],delete e[t])};s((e=JSON.parse(JSON.stringify(e))).audio,"autoGainControl","googAutoGainControl"),s(e.audio,"noiseSuppression","googNoiseSuppression"),e.audio=n(e.audio)}if(e&&"object"===i(e.video)){var c=e.video.facingMode;c=c&&("object"===i(c)?c:{ideal:c});var p,u=t.version<66;if(c&&("user"===c.exact||"environment"===c.exact||"user"===c.ideal||"environment"===c.ideal)&&(!r.mediaDevices.getSupportedConstraints||!r.mediaDevices.getSupportedConstraints().facingMode||u)&&(delete e.video.facingMode,"environment"===c.exact||"environment"===c.ideal?p=["back","rear"]:"user"!==c.exact&&"user"!==c.ideal||(p=["front"]),p))return r.mediaDevices.enumerateDevices().then(function(t){var r=(t=t.filter(function(e){return"videoinput"===e.kind})).find(function(e){return p.some(function(t){return e.label.toLowerCase().includes(t)})});return!r&&t.length&&p.includes("back")&&(r=t[t.length-1]),r&&(e.video.deviceId=c.exact?{exact:r.deviceId}:{ideal:r.deviceId}),e.video=n(e.video),o("chrome: "+JSON.stringify(e)),a(e)});e.video=n(e.video)}return o("chrome: "+JSON.stringify(e)),a(e)},s=function(e){return t.version>=64?e:{name:{PermissionDeniedError:"NotAllowedError",PermissionDismissedError:"NotAllowedError",InvalidStateError:"NotAllowedError",DevicesNotFoundError:"NotFoundError",ConstraintNotSatisfiedError:"OverconstrainedError",TrackStartError:"NotReadableError",MediaDeviceFailedDueToShutdown:"NotAllowedError",MediaDeviceKillSwitchOn:"NotAllowedError",TabCaptureError:"AbortError",ScreenCaptureError:"AbortError",DeviceCaptureError:"AbortError"}[e.name]||e.name,message:e.message,constraint:e.constraint||e.constraintName,toString:function(){return this.name+(this.message&&": ")+this.message}}};if(r.getUserMedia=function(e,t,n){a(e,function(e){r.webkitGetUserMedia(e,t,function(e){n&&n(s(e))})})}.bind(r),r.mediaDevices.getUserMedia){var c=r.mediaDevices.getUserMedia.bind(r.mediaDevices);r.mediaDevices.getUserMedia=function(e){return a(e,function(e){return c(e).then(function(t){if(e.audio&&!t.getAudioTracks().length||e.video&&!t.getVideoTracks().length)throw t.getTracks().forEach(function(e){e.stop()}),new DOMException("","NotFoundError");return t},function(e){return Promise.reject(s(e))})})}}}};var o=function(e){if(e&&e.__esModule)return e;if(null===e||"object"!=typeof e&&"function"!=typeof e)return{default:e};var t=n();if(t&&t.has(e))return t.get(e);var r={},i=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var o in e)if(Object.prototype.hasOwnProperty.call(e,o)){var a=i?Object.getOwnPropertyDescriptor(e,o):null;a&&(a.get||a.set)?Object.defineProperty(r,o,a):r[o]=e[o]}return r.default=e,t&&t.set(e,r),r}(e("../utils.js")).log},{"../utils.js":"iSxC"}],VHa8:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0}),r.shimGetDisplayMedia=function(e,t){e.navigator.mediaDevices&&"getDisplayMedia"in e.navigator.mediaDevices||e.navigator.mediaDevices&&("function"==typeof t?e.navigator.mediaDevices.getDisplayMedia=function(r){return t(r).then(function(t){var n=r.video&&r.video.width,i=r.video&&r.video.height,o=r.video&&r.video.frameRate;return r.video={mandatory:{chromeMediaSource:"desktop",chromeMediaSourceId:t,maxFrameRate:o||3}},n&&(r.video.mandatory.maxWidth=n),i&&(r.video.mandatory.maxHeight=i),e.navigator.mediaDevices.getUserMedia(r)})}:console.error("shimGetDisplayMedia: getSourceId argument is not a function"))}},{}],uI5X:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0}),r.shimMediaStream=function(e){e.MediaStream=e.MediaStream||e.webkitMediaStream},r.shimOnTrack=function(e){if("object"!==c(e)||!e.RTCPeerConnection||"ontrack"in e.RTCPeerConnection.prototype)n.wrapPeerConnectionEvent(e,"track",function(e){return e.transceiver||Object.defineProperty(e,"transceiver",{value:{receiver:e.receiver}}),e});else{Object.defineProperty(e.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(e){this._ontrack&&this.removeEventListener("track",this._ontrack),this.addEventListener("track",this._ontrack=e)},enumerable:!0,configurable:!0});var t=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){var r=this;return this._ontrackpoly||(this._ontrackpoly=function(t){t.stream.addEventListener("addtrack",function(n){var i;i=e.RTCPeerConnection.prototype.getReceivers?r.getReceivers().find(function(e){return e.track&&e.track.id===n.track.id}):{track:n.track};var o=new Event("track");o.track=n.track,o.receiver=i,o.transceiver={receiver:i},o.streams=[t.stream],r.dispatchEvent(o)}),t.stream.getTracks().forEach(function(n){var i;i=e.RTCPeerConnection.prototype.getReceivers?r.getReceivers().find(function(e){return e.track&&e.track.id===n.id}):{track:n};var o=new Event("track");o.track=n,o.receiver=i,o.transceiver={receiver:i},o.streams=[t.stream],r.dispatchEvent(o)})},this.addEventListener("addstream",this._ontrackpoly)),t.apply(this,arguments)}}},r.shimGetSendersWithDtmf=function(e){if("object"===c(e)&&e.RTCPeerConnection&&!("getSenders"in e.RTCPeerConnection.prototype)&&"createDTMFSender"in e.RTCPeerConnection.prototype){var t=function(e,t){return{track:t,get dtmf(){return void 0===this._dtmf&&("audio"===t.kind?this._dtmf=e.createDTMFSender(t):this._dtmf=null),this._dtmf},_pc:e}};if(!e.RTCPeerConnection.prototype.getSenders){e.RTCPeerConnection.prototype.getSenders=function(){return this._senders=this._senders||[],this._senders.slice()};var r=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,n){var i=r.apply(this,arguments);return i||(i=t(this,e),this._senders.push(i)),i};var n=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){n.apply(this,arguments);var t=this._senders.indexOf(e);-1!==t&&this._senders.splice(t,1)}}var i=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){var r=this;this._senders=this._senders||[],i.apply(this,[e]),e.getTracks().forEach(function(e){r._senders.push(t(r,e))})};var o=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){var t=this;this._senders=this._senders||[],o.apply(this,[e]),e.getTracks().forEach(function(e){var r=t._senders.find(function(t){return t.track===e});r&&t._senders.splice(t._senders.indexOf(r),1)})}}else if("object"===c(e)&&e.RTCPeerConnection&&"getSenders"in e.RTCPeerConnection.prototype&&"createDTMFSender"in e.RTCPeerConnection.prototype&&e.RTCRtpSender&&!("dtmf"in e.RTCRtpSender.prototype)){var a=e.RTCPeerConnection.prototype.getSenders;e.RTCPeerConnection.prototype.getSenders=function(){var e=this,t=a.apply(this,[]);return t.forEach(function(t){return t._pc=e}),t},Object.defineProperty(e.RTCRtpSender.prototype,"dtmf",{get:function(){return void 0===this._dtmf&&("audio"===this.track.kind?this._dtmf=this._pc.createDTMFSender(this.track):this._dtmf=null),this._dtmf}})}},r.shimGetStats=function(e){if(e.RTCPeerConnection){var t=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){var e=this,[r,n,i]=arguments;if(arguments.length>0&&"function"==typeof r)return t.apply(this,arguments);if(0===t.length&&(0===arguments.length||"function"!=typeof r))return t.apply(this,[]);var o=function(e){var t={};return e.result().forEach(function(e){var r={id:e.id,timestamp:e.timestamp,type:{localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[e.type]||e.type};e.names().forEach(function(t){r[t]=e.stat(t)}),t[r.id]=r}),t},a=function(e){return new Map(Object.keys(e).map(function(t){return[t,e[t]]}))};return arguments.length>=2?t.apply(this,[function(e){n(a(o(e)))},r]):new 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e.receiver._pc=e.srcElement,e}),e.RTCRtpReceiver.prototype.getStats=function(){var e=this;return this._pc.getStats().then(function(t){return n.filterStats(t,e.track,!1)})}}if("getStats"in e.RTCRtpSender.prototype&&"getStats"in e.RTCRtpReceiver.prototype){var o=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){if(arguments.length>0&&arguments[0]instanceof e.MediaStreamTrack){var t,r,n,i=arguments[0];return this.getSenders().forEach(function(e){e.track===i&&(t?n=!0:t=e)}),this.getReceivers().forEach(function(e){return e.track===i&&(r?n=!0:r=e),e.track===i}),n||t&&r?Promise.reject(new DOMException("There are more than one sender or receiver for the track.","InvalidAccessError")):t?t.getStats():r?r.getStats():Promise.reject(new DOMException("There is no sender or receiver for the track.","InvalidAccessError"))}return o.apply(this,arguments)}}}},r.shimAddTrackRemoveTrackWithNative=p,r.shimAddTrackRemoveTrack=function(e,t){if(e.RTCPeerConnection){if(e.RTCPeerConnection.prototype.addTrack&&t.version>=65)return p(e);var r=e.RTCPeerConnection.prototype.getLocalStreams;e.RTCPeerConnection.prototype.getLocalStreams=function(){var e=this,t=r.apply(this);return this._reverseStreams=this._reverseStreams||{},t.map(function(t){return e._reverseStreams[t.id]})};var n=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(t){var r=this;if(this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},t.getTracks().forEach(function(e){if(r.getSenders().find(function(t){return t.track===e}))throw new DOMException("Track already exists.","InvalidAccessError")}),!this._reverseStreams[t.id]){var i=new e.MediaStream(t.getTracks());this._streams[t.id]=i,this._reverseStreams[i.id]=t,t=i}n.apply(this,[t])};var i=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},i.apply(this,[this._streams[e.id]||e]),delete this._reverseStreams[this._streams[e.id]?this._streams[e.id].id:e.id],delete this._streams[e.id]},e.RTCPeerConnection.prototype.addTrack=function(t,r){var n=this;if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");var i=[].slice.call(arguments,1);if(1!==i.length||!i[0].getTracks().find(function(e){return e===t}))throw new DOMException("The adapter.js addTrack polyfill only supports a single stream which is associated with the specified track.","NotSupportedError");if(this.getSenders().find(function(e){return e.track===t}))throw new DOMException("Track already exists.","InvalidAccessError");this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{};var o=this._streams[r.id];if(o)o.addTrack(t),Promise.resolve().then(function(){n.dispatchEvent(new Event("negotiationneeded"))});else{var a=new e.MediaStream([t]);this._streams[r.id]=a,this._reverseStreams[a.id]=r,this.addStream(a)}return this.getSenders().find(function(e){return e.track===t})},["createOffer","createAnswer"].forEach(function(t){var r=e.RTCPeerConnection.prototype[t],n=s({},t,function(){var e=this,t=arguments;return arguments.length&&"function"==typeof arguments[0]?r.apply(this,[function(r){var n=c(e,r);t[0].apply(null,[n])},function(e){t[1]&&t[1].apply(null,e)},arguments[2]]):r.apply(this,arguments).then(function(t){return c(e,t)})});e.RTCPeerConnection.prototype[t]=n[t]});var o=e.RTCPeerConnection.prototype.setLocalDescription;e.RTCPeerConnection.prototype.setLocalDescription=function(){return arguments.length&&arguments[0].type?(arguments[0]=(e=this,t=arguments[0],r=t.sdp,Object.keys(e._reverseStreams||[]).forEach(function(t){var n=e._reverseStreams[t],i=e._streams[n.id];r=r.replace(new RegExp(n.id,"g"),i.id)}),new RTCSessionDescription({type:t.type,sdp:r})),o.apply(this,arguments)):o.apply(this,arguments);var e,t,r};var a=Object.getOwnPropertyDescriptor(e.RTCPeerConnection.prototype,"localDescription");Object.defineProperty(e.RTCPeerConnection.prototype,"localDescription",{get:function(){var e=a.get.apply(this);return""===e.type?e:c(this,e)}}),e.RTCPeerConnection.prototype.removeTrack=function(e){var t,r=this;if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");if(!e._pc)throw new DOMException("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.","TypeError");if(e._pc!==this)throw new DOMException("Sender was not created by this connection.","InvalidAccessError");this._streams=this._streams||{},Object.keys(this._streams).forEach(function(n){r._streams[n].getTracks().find(function(t){return e.track===t})&&(t=r._streams[n])}),t&&(1===t.getTracks().length?this.removeStream(this._reverseStreams[t.id]):t.removeTrack(e.track),this.dispatchEvent(new Event("negotiationneeded")))}}function c(e,t){var r=t.sdp;return Object.keys(e._reverseStreams||[]).forEach(function(t){var n=e._reverseStreams[t],i=e._streams[n.id];r=r.replace(new RegExp(i.id,"g"),n.id)}),new RTCSessionDescription({type:t.type,sdp:r})}},r.shimPeerConnection=function(e,t){!e.RTCPeerConnection&&e.webkitRTCPeerConnection&&(e.RTCPeerConnection=e.webkitRTCPeerConnection),e.RTCPeerConnection&&t.version<53&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(t){var r=e.RTCPeerConnection.prototype[t],n=s({},t,function(){return arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),r.apply(this,arguments)});e.RTCPeerConnection.prototype[t]=n[t]})},r.fixNegotiationNeeded=function(e,t){n.wrapPeerConnectionEvent(e,"negotiationneeded",function(e){var r=e.target;if(!(t.version<72||r.getConfiguration&&"plan-b"===r.getConfiguration().sdpSemantics)||"stable"===r.signalingState)return e})},Object.defineProperty(r,"shimGetUserMedia",{enumerable:!0,get:function(){return i.shimGetUserMedia}}),Object.defineProperty(r,"shimGetDisplayMedia",{enumerable:!0,get:function(){return o.shimGetDisplayMedia}});var n=function(e){if(e&&e.__esModule)return e;if(null===e||"object"!=typeof e&&"function"!=typeof e)return{default:e};var t=a();if(t&&t.has(e))return t.get(e);var r={},n=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var i in e)if(Object.prototype.hasOwnProperty.call(e,i)){var o=n?Object.getOwnPropertyDescriptor(e,i):null;o&&(o.get||o.set)?Object.defineProperty(r,i,o):r[i]=e[i]}return r.default=e,t&&t.set(e,r),r}(e("../utils.js")),i=e("./getusermedia"),o=e("./getdisplaymedia");function a(){if("function"!=typeof WeakMap)return null;var e=new WeakMap;return a=function(){return e},e}function s(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}function c(e){return(c="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e})(e)}function p(e){e.RTCPeerConnection.prototype.getLocalStreams=function(){var e=this;return this._shimmedLocalStreams=this._shimmedLocalStreams||{},Object.keys(this._shimmedLocalStreams).map(function(t){return e._shimmedLocalStreams[t][0]})};var t=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,r){if(!r)return t.apply(this,arguments);this._shimmedLocalStreams=this._shimmedLocalStreams||{};var n=t.apply(this,arguments);return this._shimmedLocalStreams[r.id]?-1===this._shimmedLocalStreams[r.id].indexOf(n)&&this._shimmedLocalStreams[r.id].push(n):this._shimmedLocalStreams[r.id]=[r,n],n};var r=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){var t=this;this._shimmedLocalStreams=this._shimmedLocalStreams||{},e.getTracks().forEach(function(e){if(t.getSenders().find(function(t){return t.track===e}))throw new DOMException("Track already exists.","InvalidAccessError")});var n=this.getSenders();r.apply(this,arguments);var i=this.getSenders().filter(function(e){return-1===n.indexOf(e)});this._shimmedLocalStreams[e.id]=[e].concat(i)};var n=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},delete this._shimmedLocalStreams[e.id],n.apply(this,arguments)};var i=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){var t=this;return this._shimmedLocalStreams=this._shimmedLocalStreams||{},e&&Object.keys(this._shimmedLocalStreams).forEach(function(r){var n=t._shimmedLocalStreams[r].indexOf(e);-1!==n&&t._shimmedLocalStreams[r].splice(n,1),1===t._shimmedLocalStreams[r].length&&delete t._shimmedLocalStreams[r]}),i.apply(this,arguments)}}},{"../utils.js":"iSxC","./getusermedia":"s6SN","./getdisplaymedia":"VHa8"}],NZ1C:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0}),r.filterIceServers=function(e,t){var r=!1;return(e=JSON.parse(JSON.stringify(e))).filter(function(e){if(e&&(e.urls||e.url)){var t=e.urls||e.url;e.url&&!e.urls&&n.deprecated("RTCIceServer.url","RTCIceServer.urls");var i="string"==typeof t;return i&&(t=[t]),t=t.filter(function(e){if(0===e.indexOf("stun:"))return!1;var t=e.startsWith("turn")&&!e.startsWith("turn:[")&&e.includes("transport=udp");return t&&!r?(r=!0,!0):t&&!r}),delete e.url,e.urls=i?t[0]:t,!!t.length}})};var n=function(e){if(e&&e.__esModule)return e;if(null===e||"object"!=typeof e&&"function"!=typeof e)return{default:e};var t=i();if(t&&t.has(e))return t.get(e);var r={},n=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var o in e)if(Object.prototype.hasOwnProperty.call(e,o)){var a=n?Object.getOwnPropertyDescriptor(e,o):null;a&&(a.get||a.set)?Object.defineProperty(r,o,a):r[o]=e[o]}return r.default=e,t&&t.set(e,r),r}(e("../utils"));function i(){if("function"!=typeof WeakMap)return null;var e=new WeakMap;return i=function(){return e},e}},{"../utils":"iSxC"}],YHvh:[function(e,t,r){"use strict";var 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.getDescription=function(e){var t=n.splitSections(e);return t&&t[0]},n.getMediaSections=function(e){var t=n.splitSections(e);return t.shift(),t},n.matchPrefix=function(e,t){return n.splitLines(e).filter(function(e){return 0===e.indexOf(t)})},n.parseCandidate=function(e){for(var t,r={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]},n=8;n0?t[0].split("/")[1]:"sendrecv",uri:t[1]}},n.writeExtmap=function(e){return"a=extmap:"+(e.id||e.preferredId)+(e.direction&&"sendrecv"!==e.direction?"/"+e.direction:"")+" "+e.uri+"\r\n"},n.parseFmtp=function(e){for(var t,r={},n=e.substr(e.indexOf(" ")+1).split(";"),i=0;i-1?(r.attribute=e.substr(t+1,n-t-1),r.value=e.substr(n+1)):r.attribute=e.substr(t+1),r},n.parseSsrcGroup=function(e){var t=e.substr(13).split(" ");return{semantics:t.shift(),ssrcs:t.map(function(e){return parseInt(e,10)})}},n.getMid=function(e){var t=n.matchPrefix(e,"a=mid:")[0];if(t)return t.substr(6)},n.parseFingerprint=function(e){var t=e.substr(14).split(" ");return{algorithm:t[0].toLowerCase(),value:t[1]}},n.getDtlsParameters=function(e,t){return{role:"auto",fingerprints:n.matchPrefix(e+t,"a=fingerprint:").map(n.parseFingerprint)}},n.writeDtlsParameters=function(e,t){var r="a=setup:"+t+"\r\n";return e.fingerprints.forEach(function(e){r+="a=fingerprint:"+e.algorithm+" "+e.value+"\r\n"}),r},n.parseCryptoLine=function(e){var t=e.substr(9).split(" ");return{tag:parseInt(t[0],10),cryptoSuite:t[1],keyParams:t[2],sessionParams:t.slice(3)}},n.writeCryptoLine=function(e){return"a=crypto:"+e.tag+" "+e.cryptoSuite+" "+("object"==typeof e.keyParams?n.writeCryptoKeyParams(e.keyParams):e.keyParams)+(e.sessionParams?" "+e.sessionParams.join(" "):"")+"\r\n"},n.parseCryptoKeyParams=function(e){if(0!==e.indexOf("inline:"))return null;var t=e.substr(7).split("|");return{keyMethod:"inline",keySalt:t[0],lifeTime:t[1],mkiValue:t[2]?t[2].split(":")[0]:void 0,mkiLength:t[2]?t[2].split(":")[1]:void 0}},n.writeCryptoKeyParams=function(e){return e.keyMethod+":"+e.keySalt+(e.lifeTime?"|"+e.lifeTime:"")+(e.mkiValue&&e.mkiLength?"|"+e.mkiValue+":"+e.mkiLength:"")},n.getCryptoParameters=function(e,t){return n.matchPrefix(e+t,"a=crypto:").map(n.parseCryptoLine)},n.getIceParameters=function(e,t){var r=n.matchPrefix(e+t,"a=ice-ufrag:")[0],i=n.matchPrefix(e+t,"a=ice-pwd:")[0];return r&&i?{usernameFragment:r.substr(12),password:i.substr(10)}:null},n.writeIceParameters=function(e){return"a=ice-ufrag:"+e.usernameFragment+"\r\na=ice-pwd:"+e.password+"\r\n"},n.parseRtpParameters=function(e){for(var t={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]},r=n.splitLines(e)[0].split(" "),i=3;i0?"9":"0",r+=" UDP/TLS/RTP/SAVPF ",r+=t.codecs.map(function(e){return void 0!==e.preferredPayloadType?e.preferredPayloadType:e.payloadType}).join(" ")+"\r\n",r+="c=IN IP4 0.0.0.0\r\n",r+="a=rtcp:9 IN IP4 0.0.0.0\r\n",t.codecs.forEach(function(e){r+=n.writeRtpMap(e),r+=n.writeFmtp(e),r+=n.writeRtcpFb(e)});var i=0;return t.codecs.forEach(function(e){e.maxptime>i&&(i=e.maxptime)}),i>0&&(r+="a=maxptime:"+i+"\r\n"),r+="a=rtcp-mux\r\n",t.headerExtensions&&t.headerExtensions.forEach(function(e){r+=n.writeExtmap(e)}),r},n.parseRtpEncodingParameters=function(e){var t,r=[],i=n.parseRtpParameters(e),o=-1!==i.fecMechanisms.indexOf("RED"),a=-1!==i.fecMechanisms.indexOf("ULPFEC"),s=n.matchPrefix(e,"a=ssrc:").map(function(e){return n.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute}),c=s.length>0&&s[0].ssrc,p=n.matchPrefix(e,"a=ssrc-group:FID").map(function(e){return e.substr(17).split(" ").map(function(e){return parseInt(e,10)})});p.length>0&&p[0].length>1&&p[0][0]===c&&(t=p[0][1]),i.codecs.forEach(function(e){if("RTX"===e.name.toUpperCase()&&e.parameters.apt){var n={ssrc:c,codecPayloadType:parseInt(e.parameters.apt,10)};c&&t&&(n.rtx={ssrc:t}),r.push(n),o&&((n=JSON.parse(JSON.stringify(n))).fec={ssrc:c,mechanism:a?"red+ulpfec":"red"},r.push(n))}}),0===r.length&&c&&r.push({ssrc:c});var u=n.matchPrefix(e,"b=");return u.length&&(u=0===u[0].indexOf("b=TIAS:")?parseInt(u[0].substr(7),10):0===u[0].indexOf("b=AS:")?1e3*parseInt(u[0].substr(5),10)*.95-16e3:void 0,r.forEach(function(e){e.maxBitrate=u})),r},n.parseRtcpParameters=function(e){var t={},r=n.matchPrefix(e,"a=ssrc:").map(function(e){return n.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute})[0];r&&(t.cname=r.value,t.ssrc=r.ssrc);var i=n.matchPrefix(e,"a=rtcp-rsize");t.reducedSize=i.length>0,t.compound=0===i.length;var o=n.matchPrefix(e,"a=rtcp-mux");return t.mux=o.length>0,t},n.parseMsid=function(e){var t,r=n.matchPrefix(e,"a=msid:");if(1===r.length)return{stream:(t=r[0].substr(7).split(" "))[0],track:t[1]};var i=n.matchPrefix(e,"a=ssrc:").map(function(e){return n.parseSsrcMedia(e)}).filter(function(e){return"msid"===e.attribute});return i.length>0?{stream:(t=i[0].value.split(" "))[0],track:t[1]}:void 0},n.parseSctpDescription=function(e){var t,r=n.parseMLine(e),i=n.matchPrefix(e,"a=max-message-size:");i.length>0&&(t=parseInt(i[0].substr(19),10)),isNaN(t)&&(t=65536);var o=n.matchPrefix(e,"a=sctp-port:");if(o.length>0)return{port:parseInt(o[0].substr(12),10),protocol:r.fmt,maxMessageSize:t};if(n.matchPrefix(e,"a=sctpmap:").length>0){var a=n.matchPrefix(e,"a=sctpmap:")[0].substr(10).split(" ");return{port:parseInt(a[0],10),protocol:a[1],maxMessageSize:t}}},n.writeSctpDescription=function(e,t){var r=[];return r="DTLS/SCTP"!==e.protocol?["m="+e.kind+" 9 "+e.protocol+" "+t.protocol+"\r\n","c=IN IP4 0.0.0.0\r\n","a=sctp-port:"+t.port+"\r\n"]:["m="+e.kind+" 9 "+e.protocol+" "+t.port+"\r\n","c=IN IP4 0.0.0.0\r\n","a=sctpmap:"+t.port+" "+t.protocol+" 65535\r\n"],void 0!==t.maxMessageSize&&r.push("a=max-message-size:"+t.maxMessageSize+"\r\n"),r.join("")},n.generateSessionId=function(){return Math.random().toString().substr(2,21)},n.writeSessionBoilerplate=function(e,t,r){var i=void 0!==t?t:2;return"v=0\r\no="+(r||"thisisadapterortc")+" "+(e||n.generateSessionId())+" "+i+" IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\n"},n.writeMediaSection=function(e,t,r,i){var o=n.writeRtpDescription(e.kind,t);if(o+=n.writeIceParameters(e.iceGatherer.getLocalParameters()),o+=n.writeDtlsParameters(e.dtlsTransport.getLocalParameters(),"offer"===r?"actpass":"active"),o+="a=mid:"+e.mid+"\r\n",e.direction?o+="a="+e.direction+"\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="msid:"+i.id+" "+e.rtpSender.track.id+"\r\n";o+="a="+a,o+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" "+a,e.sendEncodingParameters[0].rtx&&(o+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" "+a,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:"+n.localCName+"\r\n",e.rtpSender&&e.sendEncodingParameters[0].rtx&&(o+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" cname:"+n.localCName+"\r\n"),o},n.getDirection=function(e,t){for(var r=n.splitLines(e),i=0;i=14393&&-1===e.indexOf("?transport=udp"):(r=!0,!0)}),delete e.url,e.urls=i?n[0]:n,!!n.length}})}(r.iceServers||[],t),this._iceGatherers=[],r.iceCandidatePoolSize)for(var a=r.iceCandidatePoolSize;a>0;a--)this._iceGatherers.push(new e.RTCIceGatherer({iceServers:r.iceServers,gatherPolicy:r.iceTransportPolicy}));else r.iceCandidatePoolSize=0;this._config=r,this.transceivers=[],this._sdpSessionId=n.generateSessionId(),this._sdpSessionVersion=0,this._dtlsRole=void 0,this._isClosed=!1};Object.defineProperty(u.prototype,"localDescription",{configurable:!0,get:function(){return this._localDescription}}),Object.defineProperty(u.prototype,"remoteDescription",{configurable:!0,get:function(){return this._remoteDescription}}),u.prototype.onicecandidate=null,u.prototype.onaddstream=null,u.prototype.ontrack=null,u.prototype.onremovestream=null,u.prototype.onsignalingstatechange=null,u.prototype.oniceconnectionstatechange=null,u.prototype.onconnectionstatechange=null,u.prototype.onicegatheringstatechange=null,u.prototype.onnegotiationneeded=null,u.prototype.ondatachannel=null,u.prototype._dispatchEvent=function(e,t){this._isClosed||(this.dispatchEvent(t),"function"==typeof this["on"+e]&&this["on"+e](t))},u.prototype._emitGatheringStateChange=function(){var e=new Event("icegatheringstatechange");this._dispatchEvent("icegatheringstatechange",e)},u.prototype.getConfiguration=function(){return this._config},u.prototype.getLocalStreams=function(){return this.localStreams},u.prototype.getRemoteStreams=function(){return this.remoteStreams},u.prototype._createTransceiver=function(e,t){var r=this.transceivers.length>0,n={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&&r)n.iceTransport=this.transceivers[0].iceTransport,n.dtlsTransport=this.transceivers[0].dtlsTransport;else{var i=this._createIceAndDtlsTransports();n.iceTransport=i.iceTransport,n.dtlsTransport=i.dtlsTransport}return t||this.transceivers.push(n),n},u.prototype.addTrack=function(t,r){if(this._isClosed)throw c("InvalidStateError","Attempted to call addTrack on a closed peerconnection.");var n;if(this.transceivers.find(function(e){return e.track===t}))throw c("InvalidAccessError","Track already exists.");for(var i=0;i=15025)e.getTracks().forEach(function(t){r.addTrack(t,e)});else{var n=e.clone();e.getTracks().forEach(function(e,t){var r=n.getTracks()[t];e.addEventListener("enabled",function(e){r.enabled=e.enabled})}),n.getTracks().forEach(function(e){r.addTrack(e,n)})}},u.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 r=this.transceivers.find(function(e){return e.rtpSender===t});if(!r)throw c("InvalidAccessError","Sender was not created by this connection.");var n=r.stream;r.rtpSender.stop(),r.rtpSender=null,r.track=null,r.stream=null,-1===this.transceivers.map(function(e){return e.stream}).indexOf(n)&&this.localStreams.indexOf(n)>-1&&this.localStreams.splice(this.localStreams.indexOf(n),1),this._maybeFireNegotiationNeeded()},u.prototype.removeStream=function(e){var t=this;e.getTracks().forEach(function(e){var r=t.getSenders().find(function(t){return t.track===e});r&&t.removeTrack(r)})},u.prototype.getSenders=function(){return this.transceivers.filter(function(e){return!!e.rtpSender}).map(function(e){return e.rtpSender})},u.prototype.getReceivers=function(){return this.transceivers.filter(function(e){return!!e.rtpReceiver}).map(function(e){return e.rtpReceiver})},u.prototype._createIceGatherer=function(t,r){var n=this;if(r&&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 r=!e.candidate||0===Object.keys(e.candidate).length;i.state=r?"completed":"gathering",null!==n.transceivers[t].bufferedCandidateEvents&&n.transceivers[t].bufferedCandidateEvents.push(e)},i.addEventListener("localcandidate",this.transceivers[t].bufferCandidates),i},u.prototype._gather=function(t,r){var i=this,o=this.transceivers[r].iceGatherer;if(!o.onlocalcandidate){var a=this.transceivers[r].bufferedCandidateEvents;this.transceivers[r].bufferedCandidateEvents=null,o.removeEventListener("localcandidate",this.transceivers[r].bufferCandidates),o.onlocalcandidate=function(e){if(!(i.usingBundle&&r>0)){var a=new Event("icecandidate");a.candidate={sdpMid:t,sdpMLineIndex:r};var s=e.candidate,c=!s||0===Object.keys(s).length;if(c)"new"!==o.state&&"gathering"!==o.state||(o.state="completed");else{"new"===o.state&&(o.state="gathering"),s.component=1,s.ufrag=o.getLocalParameters().usernameFragment;var p=n.writeCandidate(s);a.candidate=Object.assign(a.candidate,n.parseCandidate(p)),a.candidate.candidate=p,a.candidate.toJSON=function(){return{candidate:a.candidate.candidate,sdpMid:a.candidate.sdpMid,sdpMLineIndex:a.candidate.sdpMLineIndex,usernameFragment:a.candidate.usernameFragment}}}var u=n.getMediaSections(i._localDescription.sdp);u[a.candidate.sdpMLineIndex]+=c?"a=end-of-candidates\r\n":"a="+a.candidate.candidate+"\r\n",i._localDescription.sdp=n.getDescription(i._localDescription.sdp)+u.join("");var d=i.transceivers.every(function(e){return e.iceGatherer&&"completed"===e.iceGatherer.state});"gathering"!==i.iceGatheringState&&(i.iceGatheringState="gathering",i._emitGatheringStateChange()),c||i._dispatchEvent("icecandidate",a),d&&(i._dispatchEvent("icecandidate",new Event("icecandidate")),i.iceGatheringState="complete",i._emitGatheringStateChange())}},e.setTimeout(function(){a.forEach(function(e){o.onlocalcandidate(e)})},0)}},u.prototype._createIceAndDtlsTransports=function(){var t=this,r=new e.RTCIceTransport(null);r.onicestatechange=function(){t._updateIceConnectionState(),t._updateConnectionState()};var n=new e.RTCDtlsTransport(r);return n.ondtlsstatechange=function(){t._updateConnectionState()},n.onerror=function(){Object.defineProperty(n,"state",{value:"failed",writable:!0}),t._updateConnectionState()},{iceTransport:r,dtlsTransport:n}},u.prototype._disposeIceAndDtlsTransports=function(e){var t=this.transceivers[e].iceGatherer;t&&(delete t.onlocalcandidate,delete this.transceivers[e].iceGatherer);var r=this.transceivers[e].iceTransport;r&&(delete r.onicestatechange,delete this.transceivers[e].iceTransport);var n=this.transceivers[e].dtlsTransport;n&&(delete n.ondtlsstatechange,delete n.onerror,delete this.transceivers[e].dtlsTransport)},u.prototype._transceive=function(e,r,i){var a=o(e.localCapabilities,e.remoteCapabilities);r&&e.rtpSender&&(a.encodings=e.sendEncodingParameters,a.rtcp={cname:n.localCName,compound:e.rtcpParameters.compound},e.recvEncodingParameters.length&&(a.rtcp.ssrc=e.recvEncodingParameters[0].ssrc),e.rtpSender.send(a)),i&&e.rtpReceiver&&a.codecs.length>0&&("video"===e.kind&&e.recvEncodingParameters&&t<15019&&e.recvEncodingParameters.forEach(function(e){delete e.rtx}),e.recvEncodingParameters.length?a.encodings=e.recvEncodingParameters:a.encodings=[{}],a.rtcp={compound:e.rtcpParameters.compound},e.rtcpParameters.cname&&(a.rtcp.cname=e.rtcpParameters.cname),e.sendEncodingParameters.length&&(a.rtcp.ssrc=e.sendEncodingParameters[0].ssrc),e.rtpReceiver.receive(a))},u.prototype.setLocalDescription=function(e){var t,r,i=this;if(-1===["offer","answer"].indexOf(e.type))return Promise.reject(c("TypeError",'Unsupported type "'+e.type+'"'));if(!a("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=n.splitSections(e.sdp),r=t.shift(),t.forEach(function(e,t){var r=n.parseRtpParameters(e);i.transceivers[t].localCapabilities=r}),i.transceivers.forEach(function(e,t){i._gather(e.mid,t)});else if("answer"===e.type){t=n.splitSections(i._remoteDescription.sdp),r=t.shift();var s=n.matchPrefix(r,"a=ice-lite").length>0;t.forEach(function(e,t){var a=i.transceivers[t],c=a.iceGatherer,p=a.iceTransport,u=a.dtlsTransport,d=a.localCapabilities,l=a.remoteCapabilities;if(!(n.isRejected(e)&&0===n.matchPrefix(e,"a=bundle-only").length||a.rejected)){var f=n.getIceParameters(e,r),h=n.getDtlsParameters(e,r);s&&(h.role="server"),i.usingBundle&&0!==t||(i._gather(a.mid,t),"new"===p.state&&p.start(c,f,s?"controlling":"controlled"),"new"===u.state&&u.start(h));var v=o(d,l);i._transceive(a,v.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()},u.prototype.setRemoteDescription=function(i){var u=this;if(-1===["offer","answer"].indexOf(i.type))return Promise.reject(c("TypeError",'Unsupported type "'+i.type+'"'));if(!a("setRemoteDescription",i.type,u.signalingState)||u._isClosed)return Promise.reject(c("InvalidStateError","Can not set remote "+i.type+" in state "+u.signalingState));var d={};u.remoteStreams.forEach(function(e){d[e.id]=e});var l=[],f=n.splitSections(i.sdp),h=f.shift(),v=n.matchPrefix(h,"a=ice-lite").length>0,m=n.matchPrefix(h,"a=group:BUNDLE ").length>0;u.usingBundle=m;var y=n.matchPrefix(h,"a=ice-options:")[0];return u.canTrickleIceCandidates=!!y&&y.substr(14).split(" ").indexOf("trickle")>=0,f.forEach(function(a,c){var p=n.splitLines(a),f=n.getKind(a),y=n.isRejected(a)&&0===n.matchPrefix(a,"a=bundle-only").length,g=p[0].substr(2).split(" ")[2],_=n.getDirection(a,h),b=n.parseMsid(a),C=n.getMid(a)||n.generateIdentifier();if(y||"application"===f&&("DTLS/SCTP"===g||"UDP/DTLS/SCTP"===g))u.transceivers[c]={mid:C,kind:f,protocol:g,rejected:!0};else{var S,T,P,w,k,E,R,O,M;!y&&u.transceivers[c]&&u.transceivers[c].rejected&&(u.transceivers[c]=u._createTransceiver(f,!0));var D,x,j=n.parseRtpParameters(a);y||(D=n.getIceParameters(a,h),(x=n.getDtlsParameters(a,h)).role="client"),R=n.parseRtpEncodingParameters(a);var I=n.parseRtcpParameters(a),L=n.matchPrefix(a,"a=end-of-candidates",h).length>0,A=n.matchPrefix(a,"a=candidate:").map(function(e){return n.parseCandidate(e)}).filter(function(e){return 1===e.component});if(("offer"===i.type||"answer"===i.type)&&!y&&m&&c>0&&u.transceivers[c]&&(u._disposeIceAndDtlsTransports(c),u.transceivers[c].iceGatherer=u.transceivers[0].iceGatherer,u.transceivers[c].iceTransport=u.transceivers[0].iceTransport,u.transceivers[c].dtlsTransport=u.transceivers[0].dtlsTransport,u.transceivers[c].rtpSender&&u.transceivers[c].rtpSender.setTransport(u.transceivers[0].dtlsTransport),u.transceivers[c].rtpReceiver&&u.transceivers[c].rtpReceiver.setTransport(u.transceivers[0].dtlsTransport)),"offer"!==i.type||y)"answer"!==i.type||y||(T=(S=u.transceivers[c]).iceGatherer,P=S.iceTransport,w=S.dtlsTransport,k=S.rtpReceiver,E=S.sendEncodingParameters,O=S.localCapabilities,u.transceivers[c].recvEncodingParameters=R,u.transceivers[c].remoteCapabilities=j,u.transceivers[c].rtcpParameters=I,A.length&&"new"===P.state&&(!v&&!L||m&&0!==c?A.forEach(function(e){s(S.iceTransport,e)}):P.setRemoteCandidates(A)),m&&0!==c||("new"===P.state&&P.start(T,D,"controlling"),"new"===w.state&&w.start(x)),!o(S.localCapabilities,S.remoteCapabilities).codecs.filter(function(e){return"rtx"===e.name.toLowerCase()}).length&&S.sendEncodingParameters[0].rtx&&delete S.sendEncodingParameters[0].rtx,u._transceive(S,"sendrecv"===_||"recvonly"===_,"sendrecv"===_||"sendonly"===_),!k||"sendrecv"!==_&&"sendonly"!==_?delete S.rtpReceiver:(M=k.track,b?(d[b.stream]||(d[b.stream]=new e.MediaStream),r(M,d[b.stream]),l.push([M,k,d[b.stream]])):(d.default||(d.default=new e.MediaStream),r(M,d.default),l.push([M,k,d.default]))));else{(S=u.transceivers[c]||u._createTransceiver(f)).mid=C,S.iceGatherer||(S.iceGatherer=u._createIceGatherer(c,m)),A.length&&"new"===S.iceTransport.state&&(!L||m&&0!==c?A.forEach(function(e){s(S.iceTransport,e)}):S.iceTransport.setRemoteCandidates(A)),O=e.RTCRtpReceiver.getCapabilities(f),t<15019&&(O.codecs=O.codecs.filter(function(e){return"rtx"!==e.name})),E=S.sendEncodingParameters||[{ssrc:1001*(2*c+2)}];var B,N=!1;"sendrecv"===_||"sendonly"===_?(N=!S.rtpReceiver,k=S.rtpReceiver||new e.RTCRtpReceiver(S.dtlsTransport,f),N&&(M=k.track,b&&"-"===b.stream||(b?(d[b.stream]||(d[b.stream]=new e.MediaStream,Object.defineProperty(d[b.stream],"id",{get:function(){return b.stream}})),Object.defineProperty(M,"id",{get:function(){return b.track}}),B=d[b.stream]):(d.default||(d.default=new e.MediaStream),B=d.default)),B&&(r(M,B),S.associatedRemoteMediaStreams.push(B)),l.push([M,k,B]))):S.rtpReceiver&&S.rtpReceiver.track&&(S.associatedRemoteMediaStreams.forEach(function(t){var r,n,i=t.getTracks().find(function(e){return e.id===S.rtpReceiver.track.id});i&&(r=i,(n=t).removeTrack(r),n.dispatchEvent(new e.MediaStreamTrackEvent("removetrack",{track:r})))}),S.associatedRemoteMediaStreams=[]),S.localCapabilities=O,S.remoteCapabilities=j,S.rtpReceiver=k,S.rtcpParameters=I,S.sendEncodingParameters=E,S.recvEncodingParameters=R,u._transceive(u.transceivers[c],!1,N)}}}),void 0===u._dtlsRole&&(u._dtlsRole="offer"===i.type?"active":"passive"),u._remoteDescription={type:i.type,sdp:i.sdp},"offer"===i.type?u._updateSignalingState("have-remote-offer"):u._updateSignalingState("stable"),Object.keys(d).forEach(function(t){var r=d[t];if(r.getTracks().length){if(-1===u.remoteStreams.indexOf(r)){u.remoteStreams.push(r);var n=new Event("addstream");n.stream=r,e.setTimeout(function(){u._dispatchEvent("addstream",n)})}l.forEach(function(e){var t=e[0],n=e[1];r.id===e[2].id&&p(u,t,n,[r])})}}),l.forEach(function(e){e[2]||p(u,e[0],e[1],[])}),e.setTimeout(function(){u&&u.transceivers&&u.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()},u.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")},u.prototype._updateSignalingState=function(e){this.signalingState=e;var t=new Event("signalingstatechange");this._dispatchEvent("signalingstatechange",t)},u.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))},u.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 r=new Event("iceconnectionstatechange");this._dispatchEvent("iceconnectionstatechange",r)}},u.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 r=new Event("connectionstatechange");this._dispatchEvent("connectionstatechange",r)}},u.prototype.createOffer=function(){var r=this;if(r._isClosed)return Promise.reject(c("InvalidStateError","Can not call createOffer after close"));var o=r.transceivers.filter(function(e){return"audio"===e.kind}).length,a=r.transceivers.filter(function(e){return"video"===e.kind}).length,s=arguments[0];if(s){if(s.mandatory||s.optional)throw new TypeError("Legacy mandatory/optional constraints not supported.");void 0!==s.offerToReceiveAudio&&(o=!0===s.offerToReceiveAudio?1:!1===s.offerToReceiveAudio?0:s.offerToReceiveAudio),void 0!==s.offerToReceiveVideo&&(a=!0===s.offerToReceiveVideo?1:!1===s.offerToReceiveVideo?0:s.offerToReceiveVideo)}for(r.transceivers.forEach(function(e){"audio"===e.kind?--o<0&&(e.wantReceive=!1):"video"===e.kind&&--a<0&&(e.wantReceive=!1)});o>0||a>0;)o>0&&(r._createTransceiver("audio"),o--),a>0&&(r._createTransceiver("video"),a--);var p=n.writeSessionBoilerplate(r._sdpSessionId,r._sdpSessionVersion++);r.transceivers.forEach(function(i,o){var a=i.track,s=i.kind,c=i.mid||n.generateIdentifier();i.mid=c,i.iceGatherer||(i.iceGatherer=r._createIceGatherer(o,r.usingBundle));var p=e.RTCRtpSender.getCapabilities(s);t<15019&&(p.codecs=p.codecs.filter(function(e){return"rtx"!==e.name})),p.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)})}),p.headerExtensions.forEach(function(e){(i.remoteCapabilities&&i.remoteCapabilities.headerExtensions||[]).forEach(function(t){e.uri===t.uri&&(e.id=t.id)})});var u=i.sendEncodingParameters||[{ssrc:1001*(2*o+1)}];a&&t>=15019&&"video"===s&&!u[0].rtx&&(u[0].rtx={ssrc:u[0].ssrc+1}),i.wantReceive&&(i.rtpReceiver=new e.RTCRtpReceiver(i.dtlsTransport,s)),i.localCapabilities=p,i.sendEncodingParameters=u}),"max-compat"!==r._config.bundlePolicy&&(p+="a=group:BUNDLE "+r.transceivers.map(function(e){return e.mid}).join(" ")+"\r\n"),p+="a=ice-options:trickle\r\n",r.transceivers.forEach(function(e,t){p+=i(e,e.localCapabilities,"offer",e.stream,r._dtlsRole),p+="a=rtcp-rsize\r\n",!e.iceGatherer||"new"===r.iceGatheringState||0!==t&&r.usingBundle||(e.iceGatherer.getLocalCandidates().forEach(function(e){e.component=1,p+="a="+n.writeCandidate(e)+"\r\n"}),"completed"===e.iceGatherer.state&&(p+="a=end-of-candidates\r\n"))});var u=new e.RTCSessionDescription({type:"offer",sdp:p});return Promise.resolve(u)},u.prototype.createAnswer=function(){var r=this;if(r._isClosed)return Promise.reject(c("InvalidStateError","Can not call createAnswer after close"));if("have-remote-offer"!==r.signalingState&&"have-local-pranswer"!==r.signalingState)return Promise.reject(c("InvalidStateError","Can not call createAnswer in signalingState "+r.signalingState));var a=n.writeSessionBoilerplate(r._sdpSessionId,r._sdpSessionVersion++);r.usingBundle&&(a+="a=group:BUNDLE "+r.transceivers.map(function(e){return e.mid}).join(" ")+"\r\n"),a+="a=ice-options:trickle\r\n";var s=n.getMediaSections(r._remoteDescription.sdp).length;r.transceivers.forEach(function(e,n){if(!(n+1>s)){if(e.rejected)return"application"===e.kind?"DTLS/SCTP"===e.protocol?a+="m=application 0 DTLS/SCTP 5000\r\n":a+="m=application 0 "+e.protocol+" webrtc-datachannel\r\n":"audio"===e.kind?a+="m=audio 0 UDP/TLS/RTP/SAVPF 0\r\na=rtpmap:0 PCMU/8000\r\n":"video"===e.kind&&(a+="m=video 0 UDP/TLS/RTP/SAVPF 120\r\na=rtpmap:120 VP8/90000\r\n"),void(a+="c=IN IP4 0.0.0.0\r\na=inactive\r\na=mid:"+e.mid+"\r\n");var c;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 p=o(e.localCapabilities,e.remoteCapabilities);!p.codecs.filter(function(e){return"rtx"===e.name.toLowerCase()}).length&&e.sendEncodingParameters[0].rtx&&delete e.sendEncodingParameters[0].rtx,a+=i(e,p,"answer",e.stream,r._dtlsRole),e.rtcpParameters&&e.rtcpParameters.reducedSize&&(a+="a=rtcp-rsize\r\n")}});var p=new e.RTCSessionDescription({type:"answer",sdp:a});return Promise.resolve(p)},u.prototype.addIceCandidate=function(e){var t,r=this;return e&&void 0===e.sdpMLineIndex&&!e.sdpMid?Promise.reject(new TypeError("sdpMLineIndex or sdpMid required")):new Promise(function(i,o){if(!r._remoteDescription)return o(c("InvalidStateError","Can not add ICE candidate without a remote description"));if(e&&""!==e.candidate){var a=e.sdpMLineIndex;if(e.sdpMid)for(var p=0;p0?n.parseCandidate(e.candidate):{};if("tcp"===d.protocol&&(0===d.port||9===d.port))return i();if(d.component&&1!==d.component)return i();if((0===a||a>0&&u.iceTransport!==r.transceivers[0].iceTransport)&&!s(u.iceTransport,d))return o(c("OperationError","Can not add ICE candidate"));var l=e.candidate.trim();0===l.indexOf("a=")&&(l=l.substr(2)),(t=n.getMediaSections(r._remoteDescription.sdp))[a]+="a="+(d.type?l:"end-of-candidates")+"\r\n",r._remoteDescription.sdp=n.getDescription(r._remoteDescription.sdp)+t.join("")}else for(var f=0;f55&&"autoGainControl"in r.mediaDevices.getSupportedConstraints())){var a=function(e,t,r){t in e&&!(r in e)&&(e[r]=e[t],delete e[t])},s=r.mediaDevices.getUserMedia.bind(r.mediaDevices);if(r.mediaDevices.getUserMedia=function(e){return"object"===o(e)&&"object"===o(e.audio)&&(e=JSON.parse(JSON.stringify(e)),a(e.audio,"autoGainControl","mozAutoGainControl"),a(e.audio,"noiseSuppression","mozNoiseSuppression")),s(e)},i&&i.prototype.getSettings){var c=i.prototype.getSettings;i.prototype.getSettings=function(){var e=c.apply(this,arguments);return a(e,"mozAutoGainControl","autoGainControl"),a(e,"mozNoiseSuppression","noiseSuppression"),e}}if(i&&i.prototype.applyConstraints){var p=i.prototype.applyConstraints;i.prototype.applyConstraints=function(e){return"audio"===this.kind&&"object"===o(e)&&(e=JSON.parse(JSON.stringify(e)),a(e,"autoGainControl","mozAutoGainControl"),a(e,"noiseSuppression","mozNoiseSuppression")),p.apply(this,[e])}}}};var n=function(e){if(e&&e.__esModule)return e;if(null===e||"object"!=typeof e&&"function"!=typeof e)return{default:e};var t=i();if(t&&t.has(e))return t.get(e);var r={},n=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var o in e)if(Object.prototype.hasOwnProperty.call(e,o)){var a=n?Object.getOwnPropertyDescriptor(e,o):null;a&&(a.get||a.set)?Object.defineProperty(r,o,a):r[o]=e[o]}return r.default=e,t&&t.set(e,r),r}(e("../utils"));function i(){if("function"!=typeof WeakMap)return null;var e=new WeakMap;return i=function(){return e},e}function o(e){return(o="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e})(e)}},{"../utils":"iSxC"}],UuGU:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0}),r.shimGetDisplayMedia=function(e,t){e.navigator.mediaDevices&&"getDisplayMedia"in e.navigator.mediaDevices||e.navigator.mediaDevices&&(e.navigator.mediaDevices.getDisplayMedia=function(r){if(!r||!r.video){var n=new DOMException("getDisplayMedia without video constraints is undefined");return n.name="NotFoundError",n.code=8,Promise.reject(n)}return!0===r.video?r.video={mediaSource:t}:r.video.mediaSource=t,e.navigator.mediaDevices.getUserMedia(r)})}},{}],Fzdr:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0}),r.shimOnTrack=function(e){"object"===s(e)&&e.RTCTrackEvent&&"receiver"in e.RTCTrackEvent.prototype&&!("transceiver"in e.RTCTrackEvent.prototype)&&Object.defineProperty(e.RTCTrackEvent.prototype,"transceiver",{get:function(){return{receiver:this.receiver}}})},r.shimPeerConnection=function(e,t){if("object"===s(e)&&(e.RTCPeerConnection||e.mozRTCPeerConnection)){!e.RTCPeerConnection&&e.mozRTCPeerConnection&&(e.RTCPeerConnection=e.mozRTCPeerConnection),t.version<53&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(t){var r=e.RTCPeerConnection.prototype[t],n=function(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}({},t,function(){return arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),r.apply(this,arguments)});e.RTCPeerConnection.prototype[t]=n[t]});var r={inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"},n=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){var[e,i,o]=arguments;return n.apply(this,[e||null]).then(function(e){if(t.version<53&&!i)try{e.forEach(function(e){e.type=r[e.type]||e.type})}catch(n){if("TypeError"!==n.name)throw n;e.forEach(function(t,n){e.set(n,Object.assign({},t,{type:r[t.type]||t.type}))})}return e}).then(i,o)}}},r.shimSenderGetStats=function(e){if("object"===s(e)&&e.RTCPeerConnection&&e.RTCRtpSender&&!(e.RTCRtpSender&&"getStats"in e.RTCRtpSender.prototype)){var t=e.RTCPeerConnection.prototype.getSenders;t&&(e.RTCPeerConnection.prototype.getSenders=function(){var e=this,r=t.apply(this,[]);return r.forEach(function(t){return t._pc=e}),r});var r=e.RTCPeerConnection.prototype.addTrack;r&&(e.RTCPeerConnection.prototype.addTrack=function(){var e=r.apply(this,arguments);return e._pc=this,e}),e.RTCRtpSender.prototype.getStats=function(){return this.track?this._pc.getStats(this.track):Promise.resolve(new Map)}}},r.shimReceiverGetStats=function(e){if("object"===s(e)&&e.RTCPeerConnection&&e.RTCRtpSender&&!(e.RTCRtpSender&&"getStats"in e.RTCRtpReceiver.prototype)){var t=e.RTCPeerConnection.prototype.getReceivers;t&&(e.RTCPeerConnection.prototype.getReceivers=function(){var e=this,r=t.apply(this,[]);return r.forEach(function(t){return t._pc=e}),r}),n.wrapPeerConnectionEvent(e,"track",function(e){return e.receiver._pc=e.srcElement,e}),e.RTCRtpReceiver.prototype.getStats=function(){return this._pc.getStats(this.track)}}},r.shimRemoveStream=function(e){!e.RTCPeerConnection||"removeStream"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.removeStream=function(e){var t=this;n.deprecated("removeStream","removeTrack"),this.getSenders().forEach(function(r){r.track&&e.getTracks().includes(r.track)&&t.removeTrack(r)})})},r.shimRTCDataChannel=function(e){e.DataChannel&&!e.RTCDataChannel&&(e.RTCDataChannel=e.DataChannel)},r.shimAddTransceiver=function(e){if("object"===s(e)&&e.RTCPeerConnection){var t=e.RTCPeerConnection.prototype.addTransceiver;t&&(e.RTCPeerConnection.prototype.addTransceiver=function(){this.setParametersPromises=[];var e=arguments[1],r=e&&"sendEncodings"in e;r&&e.sendEncodings.forEach(function(e){if("rid"in e&&!/^[a-z0-9]{0,16}$/i.test(e.rid))throw new TypeError("Invalid RID value provided.");if("scaleResolutionDownBy"in e&&!(parseFloat(e.scaleResolutionDownBy)>=1))throw new RangeError("scale_resolution_down_by must be >= 1.0");if("maxFramerate"in e&&!(parseFloat(e.maxFramerate)>=0))throw new RangeError("max_framerate must be >= 0.0")});var n=t.apply(this,arguments);if(r){var{sender:i}=n,o=i.getParameters();"encodings"in o&&(1!==o.encodings.length||0!==Object.keys(o.encodings[0]).length)||(o.encodings=e.sendEncodings,i.sendEncodings=e.sendEncodings,this.setParametersPromises.push(i.setParameters(o).then(function(){delete i.sendEncodings}).catch(function(){delete i.sendEncodings})))}return n})}},r.shimGetParameters=function(e){if("object"===s(e)&&e.RTCRtpSender){var t=e.RTCRtpSender.prototype.getParameters;t&&(e.RTCRtpSender.prototype.getParameters=function(){var e=t.apply(this,arguments);return"encodings"in e||(e.encodings=[].concat(this.sendEncodings||[{}])),e})}},r.shimCreateOffer=function(e){if("object"===s(e)&&e.RTCPeerConnection){var t=e.RTCPeerConnection.prototype.createOffer;e.RTCPeerConnection.prototype.createOffer=function(){var e=arguments,r=this;return this.setParametersPromises&&this.setParametersPromises.length?Promise.all(this.setParametersPromises).then(function(){return t.apply(r,e)}).finally(function(){r.setParametersPromises=[]}):t.apply(this,arguments)}}},r.shimCreateAnswer=function(e){if("object"===s(e)&&e.RTCPeerConnection){var t=e.RTCPeerConnection.prototype.createAnswer;e.RTCPeerConnection.prototype.createAnswer=function(){var e=arguments,r=this;return this.setParametersPromises&&this.setParametersPromises.length?Promise.all(this.setParametersPromises).then(function(){return t.apply(r,e)}).finally(function(){r.setParametersPromises=[]}):t.apply(this,arguments)}}},Object.defineProperty(r,"shimGetUserMedia",{enumerable:!0,get:function(){return i.shimGetUserMedia}}),Object.defineProperty(r,"shimGetDisplayMedia",{enumerable:!0,get:function(){return o.shimGetDisplayMedia}});var n=function(e){if(e&&e.__esModule)return e;if(null===e||"object"!=typeof e&&"function"!=typeof e)return{default:e};var t=a();if(t&&t.has(e))return t.get(e);var r={},n=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var i in 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closed.",e),r._cleanup(),r._disconnected=!0,r.emit(u.SocketEventType.Disconnected))},this._socket.onopen=function(){r._disconnected||(r._sendQueuedMessages(),p.default.log("Socket open"),r._scheduleHeartbeat())})},t.prototype._scheduleHeartbeat=function(){var e=this;this._wsPingTimer=setTimeout(function(){e._sendHeartbeat()},this.pingInterval)},t.prototype._sendHeartbeat=function(){if(this._wsOpen()){var e=JSON.stringify({type:u.ServerMessageType.Heartbeat});this._socket.send(e),this._scheduleHeartbeat()}else p.default.log("Cannot send heartbeat, because socket closed")},t.prototype._wsOpen=function(){return!!this._socket&&1===this._socket.readyState},t.prototype._sendQueuedMessages=function(){var e,t,r=o([],i(this._messagesQueue));this._messagesQueue=[];try{for(var n=a(r),s=n.next();!s.done;s=n.next()){var c=s.value;this.send(c)}}catch(p){e={error:p}}finally{try{s&&!s.done&&(t=n.return)&&t.call(n)}finally{if(e)throw e.error}}},t.prototype.send=function(e){if(!this._disconnected)if(this._id)if(e.type){if(this._wsOpen()){var t=JSON.stringify(e);this._socket.send(t)}}else this.emit(u.SocketEventType.Error,"Invalid message");else this._messagesQueue.push(e)},t.prototype.close=function(){this._disconnected||(this._cleanup(),this._disconnected=!0)},t.prototype._cleanup=function(){this._socket&&(this._socket.onopen=this._socket.onmessage=this._socket.onclose=null,this._socket.close(),this._socket=void 0),clearTimeout(this._wsPingTimer)},t}(c.EventEmitter);r.Socket=d},{eventemitter3:"JJlS","./logger":"WOs9","./enums":"ZRYf"}],HCdX:[function(e,t,r){"use strict";var n=this&&this.__assign||function(){return(n=Object.assign||function(e){for(var t,r=1,n=arguments.length;r0&&i[i.length-1])&&(6===o[0]||2===o[0])){a=0;continue}if(3===o[0]&&(!i||o[1]>i[0]&&o[1]=e.length&&(e=void 0),{value:e&&e[n++],done:!e}}};throw new TypeError(t?"Object is not iterable.":"Symbol.iterator is not defined.")},a=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(r,"__esModule",{value:!0}),r.MediaConnection=void 0;var s=e("./util"),c=a(e("./logger")),p=e("./negotiator"),u=e("./enums"),d=function(e){function t(r,n,i){var o=e.call(this,r,n,i)||this;return o._localStream=o.options._stream,o.connectionId=o.options.connectionId||t.ID_PREFIX+s.util.randomToken(),o._negotiator=new p.Negotiator(o),o._localStream&&o._negotiator.startConnection({_stream:o._localStream,originator:!0}),o}return n(t,e),Object.defineProperty(t.prototype,"type",{get:function(){return u.ConnectionType.Media},enumerable:!1,configurable:!0}),Object.defineProperty(t.prototype,"localStream",{get:function(){return this._localStream},enumerable:!1,configurable:!0}),Object.defineProperty(t.prototype,"remoteStream",{get:function(){return this._remoteStream},enumerable:!1,configurable:!0}),t.prototype.addStream=function(t){c.default.log("Receiving stream",t),this._remoteStream=t,e.prototype.emit.call(this,u.ConnectionEventType.Stream,t)},t.prototype.handleMessage=function(e){var t=e.type,r=e.payload;switch(e.type){case u.ServerMessageType.Answer:this._negotiator.handleSDP(t,r.sdp),this._open=!0;break;case u.ServerMessageType.Candidate:this._negotiator.handleCandidate(r.candidate);break;default:c.default.warn("Unrecognized message type:"+t+" from peer:"+this.peer)}},t.prototype.answer=function(e,t){var r,n;if(void 0===t&&(t={}),this._localStream)c.default.warn("Local stream already exists on this MediaConnection. Are you answering a call twice?");else{this._localStream=e,t&&t.sdpTransform&&(this.options.sdpTransform=t.sdpTransform),this._negotiator.startConnection(i(i({},this.options._payload),{_stream:e}));var a=this.provider._getMessages(this.connectionId);try{for(var s=o(a),p=s.next();!p.done;p=s.next()){var u=p.value;this.handleMessage(u)}}catch(d){r={error:d}}finally{try{p&&!p.done&&(n=s.return)&&n.call(s)}finally{if(r)throw r.error}}this._open=!0}},t.prototype.close=function(){this._negotiator&&(this._negotiator.cleanup(),this._negotiator=null),this._localStream=null,this._remoteStream=null,this.provider&&(this.provider._removeConnection(this),this.provider=null),this.options&&this.options._stream&&(this.options._stream=null),this.open&&(this._open=!1,e.prototype.emit.call(this,u.ConnectionEventType.Close))},t.ID_PREFIX="mc_",t}(e("./baseconnection").BaseConnection);r.MediaConnection=d},{"./util":"BHXf","./logger":"WOs9","./negotiator":"HCdX","./enums":"ZRYf","./baseconnection":"tQFK"}],GGp6:[function(e,t,r){"use strict";var n=this&&this.__extends||function(){var e=function(t,r){return(e=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)Object.prototype.hasOwnProperty.call(t,r)&&(e[r]=t[r])})(t,r)};return function(t,r){if("function"!=typeof r&&null!==r)throw new TypeError("Class extends value "+String(r)+" is not a constructor or null");function n(){this.constructor=t}e(t,r),t.prototype=null===r?Object.create(r):(n.prototype=r.prototype,new n)}}(),i=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(r,"__esModule",{value:!0}),r.EncodingQueue=void 0;var o=e("eventemitter3"),a=i(e("./logger")),s=function(e){function t(){var t=e.call(this)||this;return t.fileReader=new FileReader,t._queue=[],t._processing=!1,t.fileReader.onload=function(e){t._processing=!1,e.target&&t.emit("done",e.target.result),t.doNextTask()},t.fileReader.onerror=function(e){a.default.error("EncodingQueue error:",e),t._processing=!1,t.destroy(),t.emit("error",e)},t}return n(t,e),Object.defineProperty(t.prototype,"queue",{get:function(){return this._queue},enumerable:!1,configurable:!0}),Object.defineProperty(t.prototype,"size",{get:function(){return this.queue.length},enumerable:!1,configurable:!0}),Object.defineProperty(t.prototype,"processing",{get:function(){return this._processing},enumerable:!1,configurable:!0}),t.prototype.enque=function(e){this.queue.push(e),this.processing||this.doNextTask()},t.prototype.destroy=function(){this.fileReader.abort(),this._queue=[]},t.prototype.doNextTask=function(){0!==this.size&&(this.processing||(this._processing=!0,this.fileReader.readAsArrayBuffer(this.queue.shift())))},t}(o.EventEmitter);r.EncodingQueue=s},{eventemitter3:"JJlS","./logger":"WOs9"}],GBTQ:[function(e,t,r){"use strict";var n=this&&this.__extends||function(){var e=function(t,r){return(e=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)Object.prototype.hasOwnProperty.call(t,r)&&(e[r]=t[r])})(t,r)};return function(t,r){if("function"!=typeof r&&null!==r)throw new TypeError("Class extends value "+String(r)+" is not a constructor or null");function n(){this.constructor=t}e(t,r),t.prototype=null===r?Object.create(r):(n.prototype=r.prototype,new n)}}(),i=this&&this.__values||function(e){var t="function"==typeof Symbol&&Symbol.iterator,r=t&&e[t],n=0;if(r)return r.call(e);if(e&&"number"==typeof e.length)return{next:function(){return e&&n>=e.length&&(e=void 0),{value:e&&e[n++],done:!e}}};throw new TypeError(t?"Object is not iterable.":"Symbol.iterator is not defined.")},o=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(r,"__esModule",{value:!0}),r.DataConnection=void 0;var a=e("./util"),s=o(e("./logger")),c=e("./negotiator"),p=e("./enums"),u=e("./baseconnection"),d=e("./encodingQueue"),l=function(e){function t(r,n,i){var o=e.call(this,r,n,i)||this;return o.stringify=JSON.stringify,o.parse=JSON.parse,o._buffer=[],o._bufferSize=0,o._buffering=!1,o._chunkedData={},o._encodingQueue=new d.EncodingQueue,o.connectionId=o.options.connectionId||t.ID_PREFIX+a.util.randomToken(),o.label=o.options.label||o.connectionId,o.serialization=o.options.serialization||p.SerializationType.Binary,o.reliable=!!o.options.reliable,o._encodingQueue.on("done",function(e){o._bufferedSend(e)}),o._encodingQueue.on("error",function(){s.default.error("DC#"+o.connectionId+": Error occured in encoding from blob to arraybuffer, close DC"),o.close()}),o._negotiator=new c.Negotiator(o),o._negotiator.startConnection(o.options._payload||{originator:!0}),o}return n(t,e),Object.defineProperty(t.prototype,"type",{get:function(){return p.ConnectionType.Data},enumerable:!1,configurable:!0}),Object.defineProperty(t.prototype,"dataChannel",{get:function(){return this._dc},enumerable:!1,configurable:!0}),Object.defineProperty(t.prototype,"bufferSize",{get:function(){return this._bufferSize},enumerable:!1,configurable:!0}),t.prototype.initialize=function(e){this._dc=e,this._configureDataChannel()},t.prototype._configureDataChannel=function(){var e=this;a.util.supports.binaryBlob&&!a.util.supports.reliable||(this.dataChannel.binaryType="arraybuffer"),this.dataChannel.onopen=function(){s.default.log("DC#"+e.connectionId+" dc connection success"),e._open=!0,e.emit(p.ConnectionEventType.Open)},this.dataChannel.onmessage=function(t){s.default.log("DC#"+e.connectionId+" dc onmessage:",t.data),e._handleDataMessage(t)},this.dataChannel.onclose=function(){s.default.log("DC#"+e.connectionId+" dc closed for:",e.peer),e.close()}},t.prototype._handleDataMessage=function(t){var r=this,n=t.data,i=n.constructor,o=n;if(this.serialization===p.SerializationType.Binary||this.serialization===p.SerializationType.BinaryUTF8){if(i===Blob)return void a.util.blobToArrayBuffer(n,function(e){var t=a.util.unpack(e);r.emit(p.ConnectionEventType.Data,t)});if(i===ArrayBuffer)o=a.util.unpack(n);else if(i===String){var s=a.util.binaryStringToArrayBuffer(n);o=a.util.unpack(s)}}else this.serialization===p.SerializationType.JSON&&(o=this.parse(n));o.__peerData?this._handleChunk(o):e.prototype.emit.call(this,p.ConnectionEventType.Data,o)},t.prototype._handleChunk=function(e){var t=e.__peerData,r=this._chunkedData[t]||{data:[],count:0,total:e.total};if(r.data[e.n]=e.data,r.count++,this._chunkedData[t]=r,r.total===r.count){delete this._chunkedData[t];var n=new Blob(r.data);this._handleDataMessage({data:n})}},t.prototype.close=function(){this._buffer=[],this._bufferSize=0,this._chunkedData={},this._negotiator&&(this._negotiator.cleanup(),this._negotiator=null),this.provider&&(this.provider._removeConnection(this),this.provider=null),this.dataChannel&&(this.dataChannel.onopen=null,this.dataChannel.onmessage=null,this.dataChannel.onclose=null,this._dc=null),this._encodingQueue&&(this._encodingQueue.destroy(),this._encodingQueue.removeAllListeners(),this._encodingQueue=null),this.open&&(this._open=!1,e.prototype.emit.call(this,p.ConnectionEventType.Close))},t.prototype.send=function(t,r){if(this.open)if(this.serialization===p.SerializationType.JSON)this._bufferedSend(this.stringify(t));else if(this.serialization===p.SerializationType.Binary||this.serialization===p.SerializationType.BinaryUTF8){var n=a.util.pack(t);if(!r&&n.size>a.util.chunkedMTU)return void this._sendChunks(n);a.util.supports.binaryBlob?this._bufferedSend(n):this._encodingQueue.enque(n)}else this._bufferedSend(t);else e.prototype.emit.call(this,p.ConnectionEventType.Error,new Error("Connection is not open. You should listen for the `open` event before sending messages."))},t.prototype._bufferedSend=function(e){!this._buffering&&this._trySend(e)||(this._buffer.push(e),this._bufferSize=this._buffer.length)},t.prototype._trySend=function(r){var n=this;if(!this.open)return!1;if(this.dataChannel.bufferedAmount>t.MAX_BUFFERED_AMOUNT)return this._buffering=!0,setTimeout(function(){n._buffering=!1,n._tryBuffer()},50),!1;try{this.dataChannel.send(r)}catch(e){return s.default.error("DC#:"+this.connectionId+" Error when sending:",e),this._buffering=!0,this.close(),!1}return!0},t.prototype._tryBuffer=function(){if(this.open&&0!==this._buffer.length){var e=this._buffer[0];this._trySend(e)&&(this._buffer.shift(),this._bufferSize=this._buffer.length,this._tryBuffer())}},t.prototype._sendChunks=function(e){var t,r,n=a.util.chunk(e);s.default.log("DC#"+this.connectionId+" Try to send "+n.length+" chunks...");try{for(var o=i(n),c=o.next();!c.done;c=o.next()){var p=c.value;this.send(p,!0)}}catch(u){t={error:u}}finally{try{c&&!c.done&&(r=o.return)&&r.call(o)}finally{if(t)throw t.error}}},t.prototype.handleMessage=function(e){var t=e.payload;switch(e.type){case p.ServerMessageType.Answer:this._negotiator.handleSDP(e.type,t.sdp);break;case p.ServerMessageType.Candidate:this._negotiator.handleCandidate(t.candidate);break;default:s.default.warn("Unrecognized message type:",e.type,"from peer:",this.peer)}},t.ID_PREFIX="dc_",t.MAX_BUFFERED_AMOUNT=8388608,t}(u.BaseConnection);r.DataConnection=l},{"./util":"BHXf","./logger":"WOs9","./negotiator":"HCdX","./enums":"ZRYf","./baseconnection":"tQFK","./encodingQueue":"GGp6"}],in7L:[function(e,t,r){"use strict";var n=this&&this.__awaiter||function(e,t,r,n){return new(r||(r=Promise))(function(i,o){function a(e){try{c(n.next(e))}catch(t){o(t)}}function s(e){try{c(n.throw(e))}catch(t){o(t)}}function c(e){var t;e.done?i(e.value):(t=e.value,t instanceof r?t:new r(function(e){e(t)})).then(a,s)}c((n=n.apply(e,t||[])).next())})},i=this&&this.__generator||function(e,t){var r,n,i,o,a={label:0,sent:function(){if(1&i[0])throw i[1];return i[1]},trys:[],ops:[]};return o={next:s(0),throw:s(1),return:s(2)},"function"==typeof Symbol&&(o[Symbol.iterator]=function(){return this}),o;function s(o){return function(s){return function(o){if(r)throw new TypeError("Generator is already executing.");for(;a;)try{if(r=1,n&&(i=2&o[0]?n.return:o[0]?n.throw||((i=n.return)&&i.call(n),0):n.next)&&!(i=i.call(n,o[1])).done)return i;switch(n=0,i&&(o=[2&o[0],i.value]),o[0]){case 0:case 1:i=o;break;case 4:return a.label++,{value:o[1],done:!1};case 5:a.label++,n=o[1],o=[0];continue;case 7:o=a.ops.pop(),a.trys.pop();continue;default:if(!(i=(i=a.trys).length>0&&i[i.length-1])&&(6===o[0]||2===o[0])){a=0;continue}if(3===o[0]&&(!i||o[1]>i[0]&&o[1]=e.length&&(e=void 0),{value:e&&e[n++],done:!e}}};throw new TypeError(t?"Object is not iterable.":"Symbol.iterator is not defined.")},a=this&&this.__read||function(e,t){var r="function"==typeof Symbol&&e[Symbol.iterator];if(!r)return e;var n,i,o=r.call(e),a=[];try{for(;(void 0===t||t-- >0)&&!(n=o.next()).done;)a.push(n.value)}catch(u){i={error:u}}finally{try{n&&!n.done&&(r=o.return)&&r.call(o)}finally{if(i)throw i.error}}return a},s=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(r,"__esModule",{value:!0}),r.Peer=void 0;var c=e("eventemitter3"),p=e("./util"),u=s(e("./logger")),d=e("./socket"),l=e("./mediaconnection"),f=e("./dataconnection"),h=e("./enums"),v=e("./api"),m=function(e){function t(r,n){var o,a=e.call(this)||this;return a._id=null,a._lastServerId=null,a._destroyed=!1,a._disconnected=!1,a._open=!1,a._connections=new Map,a._lostMessages=new Map,r&&r.constructor==Object?n=r:r&&(o=r.toString()),n=i({debug:0,host:p.util.CLOUD_HOST,port:p.util.CLOUD_PORT,path:"/",key:t.DEFAULT_KEY,token:p.util.randomToken(),config:p.util.defaultConfig},n),a._options=n,"/"===a._options.host&&(a._options.host=window.location.hostname),a._options.path&&("/"!==a._options.path[0]&&(a._options.path="/"+a._options.path),"/"!==a._options.path[a._options.path.length-1]&&(a._options.path+="/")),void 0===a._options.secure&&a._options.host!==p.util.CLOUD_HOST?a._options.secure=p.util.isSecure():a._options.host==p.util.CLOUD_HOST&&(a._options.secure=!0),a._options.logFunction&&u.default.setLogFunction(a._options.logFunction),u.default.logLevel=a._options.debug||0,a._api=new v.API(n),a._socket=a._createServerConnection(),p.util.supports.audioVideo||p.util.supports.data?o&&!p.util.validateId(o)?(a._delayedAbort(h.PeerErrorType.InvalidID,'ID "'+o+'" is invalid'),a):(o?a._initialize(o):a._api.retrieveId().then(function(e){return a._initialize(e)}).catch(function(e){return a._abort(h.PeerErrorType.ServerError,e)}),a):(a._delayedAbort(h.PeerErrorType.BrowserIncompatible,"The current browser does not support WebRTC"),a)}return n(t,e),Object.defineProperty(t.prototype,"id",{get:function(){return this._id},enumerable:!1,configurable:!0}),Object.defineProperty(t.prototype,"options",{get:function(){return this._options},enumerable:!1,configurable:!0}),Object.defineProperty(t.prototype,"open",{get:function(){return this._open},enumerable:!1,configurable:!0}),Object.defineProperty(t.prototype,"socket",{get:function(){return this._socket},enumerable:!1,configurable:!0}),Object.defineProperty(t.prototype,"connections",{get:function(){var e,t,r=Object.create(null);try{for(var n=o(this._connections),i=n.next();!i.done;i=n.next()){var s=a(i.value,2),c=s[0],p=s[1];r[c]=p}}catch(f){e={error:f}}finally{try{i&&!i.done&&(t=n.return)&&t.call(n)}finally{if(e)throw e.error}}return r},enumerable:!1,configurable:!0}),Object.defineProperty(t.prototype,"destroyed",{get:function(){return this._destroyed},enumerable:!1,configurable:!0}),Object.defineProperty(t.prototype,"disconnected",{get:function(){return this._disconnected},enumerable:!1,configurable:!0}),t.prototype._createServerConnection=function(){var e=this,t=new d.Socket(this._options.secure,this._options.host,this._options.port,this._options.path,this._options.key,this._options.pingInterval);return t.on(h.SocketEventType.Message,function(t){e._handleMessage(t)}),t.on(h.SocketEventType.Error,function(t){e._abort(h.PeerErrorType.SocketError,t)}),t.on(h.SocketEventType.Disconnected,function(){e.disconnected||(e.emitError(h.PeerErrorType.Network,"Lost connection to server."),e.disconnect())}),t.on(h.SocketEventType.Close,function(){e.disconnected||e._abort(h.PeerErrorType.SocketClosed,"Underlying socket is already closed.")}),t},t.prototype._initialize=function(e){this._id=e,this.socket.start(e,this._options.token)},t.prototype._handleMessage=function(e){var t,r,n=e.type,i=e.payload,a=e.src;switch(n){case h.ServerMessageType.Open:this._lastServerId=this.id,this._open=!0,this.emit(h.PeerEventType.Open,this.id);break;case h.ServerMessageType.Error:this._abort(h.PeerErrorType.ServerError,i.msg);break;case h.ServerMessageType.IdTaken:this._abort(h.PeerErrorType.UnavailableID,'ID "'+this.id+'" is taken');break;case h.ServerMessageType.InvalidKey:this._abort(h.PeerErrorType.InvalidKey,'API KEY "'+this._options.key+'" is invalid');break;case h.ServerMessageType.Leave:u.default.log("Received leave message from "+a),this._cleanupPeer(a),this._connections.delete(a);break;case h.ServerMessageType.Expire:this.emitError(h.PeerErrorType.PeerUnavailable,"Could not connect to peer "+a);break;case h.ServerMessageType.Offer:var s=i.connectionId;if((m=this.getConnection(a,s))&&(m.close(),u.default.warn("Offer received for existing Connection ID:"+s)),i.type===h.ConnectionType.Media)m=new l.MediaConnection(a,this,{connectionId:s,_payload:i,metadata:i.metadata}),this._addConnection(a,m),this.emit(h.PeerEventType.Call,m);else{if(i.type!==h.ConnectionType.Data)return void u.default.warn("Received malformed connection type:"+i.type);m=new f.DataConnection(a,this,{connectionId:s,_payload:i,metadata:i.metadata,label:i.label,serialization:i.serialization,reliable:i.reliable}),this._addConnection(a,m),this.emit(h.PeerEventType.Connection,m)}var c=this._getMessages(s);try{for(var p=o(c),d=p.next();!d.done;d=p.next()){var v=d.value;m.handleMessage(v)}}catch(y){t={error:y}}finally{try{d&&!d.done&&(r=p.return)&&r.call(p)}finally{if(t)throw t.error}}break;default:if(!i)return void u.default.warn("You received a malformed message from "+a+" of type "+n);var m;s=i.connectionId,(m=this.getConnection(a,s))&&m.peerConnection?m.handleMessage(e):s?this._storeMessage(s,e):u.default.warn("You received an unrecognized message:",e)}},t.prototype._storeMessage=function(e,t){this._lostMessages.has(e)||this._lostMessages.set(e,[]),this._lostMessages.get(e).push(t)},t.prototype._getMessages=function(e){var t=this._lostMessages.get(e);return t?(this._lostMessages.delete(e),t):[]},t.prototype.connect=function(e,t){if(void 0===t&&(t={}),this.disconnected)return u.default.warn("You cannot connect to a new Peer because you called .disconnect() on this Peer and ended your connection with the server. You can create a new Peer to reconnect, or call reconnect on this peer if you believe its ID to still be available."),void this.emitError(h.PeerErrorType.Disconnected,"Cannot connect to new Peer after disconnecting from server.");var r=new f.DataConnection(e,this,t);return this._addConnection(e,r),r},t.prototype.call=function(e,t,r){if(void 0===r&&(r={}),this.disconnected)return u.default.warn("You cannot connect to a new Peer because you called .disconnect() on this Peer and ended your connection with the server. You can create a new Peer to reconnect."),void this.emitError(h.PeerErrorType.Disconnected,"Cannot connect to new Peer after disconnecting from server.");if(t){r._stream=t;var n=new l.MediaConnection(e,this,r);return this._addConnection(e,n),n}u.default.error("To call a peer, you must provide a stream from your browser's `getUserMedia`.")},t.prototype._addConnection=function(e,t){u.default.log("add connection "+t.type+":"+t.connectionId+" to peerId:"+e),this._connections.has(e)||this._connections.set(e,[]),this._connections.get(e).push(t)},t.prototype._removeConnection=function(e){var t=this._connections.get(e.peer);if(t){var r=t.indexOf(e);-1!==r&&t.splice(r,1)}this._lostMessages.delete(e.connectionId)},t.prototype.getConnection=function(e,t){var r,n,i=this._connections.get(e);if(!i)return null;try{for(var a=o(i),s=a.next();!s.done;s=a.next()){var c=s.value;if(c.connectionId===t)return c}}catch(l){r={error:l}}finally{try{s&&!s.done&&(n=a.return)&&n.call(a)}finally{if(r)throw r.error}}return null},t.prototype._delayedAbort=function(e,t){var r=this;setTimeout(function(){r._abort(e,t)},0)},t.prototype._abort=function(e,t){u.default.error("Aborting!"),this.emitError(e,t),this._lastServerId?this.disconnect():this.destroy()},t.prototype.emitError=function(e,t){var r;u.default.error("Error:",t),(r="string"==typeof t?new Error(t):t).type=e,this.emit(h.PeerEventType.Error,r)},t.prototype.destroy=function(){this.destroyed||(u.default.log("Destroy peer with ID:"+this.id),this.disconnect(),this._cleanup(),this._destroyed=!0,this.emit(h.PeerEventType.Close))},t.prototype._cleanup=function(){var e,t;try{for(var r=o(this._connections.keys()),n=r.next();!n.done;n=r.next()){var i=n.value;this._cleanupPeer(i),this._connections.delete(i)}}catch(p){e={error:p}}finally{try{n&&!n.done&&(t=r.return)&&t.call(r)}finally{if(e)throw e.error}}this.socket.removeAllListeners()},t.prototype._cleanupPeer=function(e){var t,r,n=this._connections.get(e);if(n)try{for(var i=o(n),a=i.next();!a.done;a=i.next())a.value.close()}catch(u){t={error:u}}finally{try{a&&!a.done&&(r=i.return)&&r.call(i)}finally{if(t)throw t.error}}},t.prototype.disconnect=function(){if(!this.disconnected){var e=this.id;u.default.log("Disconnect peer with ID:"+e),this._disconnected=!0,this._open=!1,this.socket.close(),this._lastServerId=e,this._id=null,this.emit(h.PeerEventType.Disconnected,e)}},t.prototype.reconnect=function(){if(this.disconnected&&!this.destroyed)u.default.log("Attempting reconnection to server with ID "+this._lastServerId),this._disconnected=!1,this._initialize(this._lastServerId);else{if(this.destroyed)throw new Error("This peer cannot reconnect to the server. It has already been destroyed.");if(this.disconnected||this.open)throw new Error("Peer "+this.id+" cannot reconnect because it is not disconnected from the server!");u.default.error("In a hurry? We're still trying to make the initial connection!")}},t.prototype.listAllPeers=function(e){var t=this;void 0===e&&(e=function(e){}),this._api.listAllPeers().then(function(t){return e(t)}).catch(function(e){return t._abort(h.PeerErrorType.ServerError,e)})},t.DEFAULT_KEY="peerjs",t}(c.EventEmitter);r.Peer=m},{eventemitter3:"JJlS","./util":"BHXf","./logger":"WOs9","./socket":"wJlv","./mediaconnection":"dbHP","./dataconnection":"GBTQ","./enums":"ZRYf","./api":"in7L"}],iTK6:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0}),r.peerjs=void 0;var n=e("./util"),i=e("./peer");r.peerjs={Peer:i.Peer,util:n.util},r.default=i.Peer,window.peerjs=r.peerjs,window.Peer=i.Peer},{"./util":"BHXf","./peer":"Hxpd"}]},{},["iTK6"]); },{}],"wKEE":[function(require,module,exports) { "use strict";function e(e,t){const n=Math.ceil(e.length/t),r=new Array(n);for(let o=0,a=0;owindow.crypto.subtle.importKey("raw",t.encode(e),"PBKDF2",!1,["deriveKey"]),o=(e,t,n)=>window.crypto.subtle.deriveKey({name:"PBKDF2",salt:t,iterations:5e4,hash:"SHA-256"},e,{name:"AES-GCM",length:256},!1,n);async function a(n,a){const c=e(n,1e6),s=window.crypto.getRandomValues(new Uint8Array(16)),i=await r(a);return await Promise.all(c.map(async e=>{const n=window.crypto.getRandomValues(new Uint8Array(12)),r=await o(i,s,["encrypt"]),a=await window.crypto.subtle.encrypt({name:"AES-GCM",iv:n},r,t.encode(e)),c=new Uint8Array(a);let y=new Uint8Array(s.byteLength+n.byteLength+c.byteLength);return y.set(s,0),y.set(n,s.byteLength),y.set(c,s.byteLength+n.byteLength),y}))}async function c(e,t){try{const c=await r(t),s=await Promise.all(e.map(async e=>{const t=e,r=t.slice(0,16),a=t.slice(16,28),s=t.slice(28),i=await o(c,r,["decrypt"]),y=await window.crypto.subtle.decrypt({name:"AES-GCM",iv:a},i,s);return n.decode(y)}));return JSON.parse(s.join(""))}catch(a){return console.log(`Error - ${a}`),""}}exports.encrypt=a,exports.decrypt=c; },{}],"iZHu":[function(require,module,exports) { "use strict";var t,e,r=this&&this.__classPrivateFieldSet||function(t,e,r,i,s){if("m"===i)throw new TypeError("Private method is not writable");if("a"===i&&!s)throw new TypeError("Private accessor was defined without a setter");if("function"==typeof e?t!==e||!s:!e.has(t))throw new TypeError("Cannot write private member to an object whose class did not declare it");return"a"===i?s.call(t,r):s?s.value=r:e.set(t,r),r},i=this&&this.__classPrivateFieldGet||function(t,e,r,i){if("a"===r&&!i)throw new TypeError("Private accessor was defined without a getter");if("function"==typeof e?t!==e||!i:!e.has(t))throw new TypeError("Cannot read private member from an object whose class did not declare it");return"m"===r?i:"a"===r?i.call(t):i?i.value:e.get(t)};Object.defineProperty(exports,"__esModule",{value:!0});const s=require("../utils/crypto");class a{constructor(a,o){t.set(this,void 0),e.set(this,void 0),this.encrypt=(async e=>{const r=JSON.stringify(e);return await s.encrypt(r,i(this,t,"f"))}),this.decrypt=(async e=>s.decrypt(e,i(this,t,"f"))),r(this,t,a,"f"),r(this,e,o,"f")}getSecret(r){if(!i(this,e,"f")||i(this,e,"f")!==r)throw new Error("Ticket not valid");return i(this,t,"f")}}t=new WeakMap,e=new WeakMap,exports.default=a; 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},{"eventemitter3":"LqgX","nanoid":"iDyL"}],"DUKS":[function(require,module,exports) { "use strict";var t,e,s,i,a,r,n,o,h,f,d,c=this&&this.__classPrivateFieldSet||function(t,e,s,i,a){if("m"===i)throw new TypeError("Private method is not writable");if("a"===i&&!a)throw new TypeError("Private accessor was defined without a setter");if("function"==typeof e?t!==e||!a:!e.has(t))throw new TypeError("Cannot write private member to an object whose class did not declare it");return"a"===i?a.call(t,s):a?a.value=s:e.set(t,s),s},u=this&&this.__classPrivateFieldGet||function(t,e,s,i){if("a"===s&&!i)throw new TypeError("Private accessor was defined without a getter");if("function"==typeof e?t!==e||!i:!e.has(t))throw new TypeError("Cannot read private member from an object whose class did not declare it");return"m"===s?i:"a"===s?i.call(t):i?i.value:e.get(t)},p=this&&this.__importDefault||function(t){return t&&t.__esModule?t:{default:t}};Object.defineProperty(exports,"__esModule",{value:!0}),exports.State=void 0;const w=p(require("peerjs")),l=p(require("../Crypto")),E=p(require("../MessageList")),N=p(require("eventemitter3")),C=require("nanoid");var m;!function(t){t[t.READY=0]="READY",t[t.CONNECTING=1]="CONNECTING",t[t.CONNECTED=2]="CONNECTED",t[t.DISCONNECTED=3]="DISCONNECTED"}(m||(m={})),exports.State=m;class M extends N.default{constructor(p="unnamed",N=C.nanoid(),M=C.nanoid()){super(),t.set(this,Symbol("crypto-ticket")),e.set(this,void 0),s.set(this,void 0),i.set(this,void 0),a.set(this,void 0),r.set(this,new E.default),n.set(this,m.READY),o.set(this,t=>{u(this,i,"f")||(c(this,i,t,"f"),u(this,i,"f").on("data",u(this,h,"f")),u(this,i,"f").on("close",u(this,d,"f")),u(this,i,"f").on("error",u(this,d,"f")),c(this,n,m.CONNECTED,"f"),this.emit("updated"))}),h.set(this,async t=>{const e=await u(this,a,"f").decrypt(t);u(this,r,"f").addMessage(e,!1),console.log("foo",e)}),f.set(this,()=>{if(!u(this,i,"f"))return;u(this,i,"f").peer,u(this,a,"f").getSecret(u(this,t,"f"))}),d.set(this,()=>{c(this,n,m.DISCONNECTED,"f"),this.emit("updated")}),this.connect=((e,r)=>{c(this,n,m.CONNECTING,"f"),c(this,a,new l.default(r,u(this,t,"f")),"f"),c(this,i,u(this,s,"f").connect(e),"f"),u(this,i,"f").on("close",u(this,d,"f")),u(this,i,"f").on("error",u(this,d,"f")),this.emit("updated"),u(this,i,"f").on("open",()=>{c(this,n,m.CONNECTED,"f"),this.emit("updated")})}),this.send=(async t=>{if(!u(this,i,"f"))throw new Error("Not connected");const{startMsg:e,updateMsgs:s}=u(this,r,"f").formatMessage(t);u(this,r,"f").addMessage(e,!0),u(this,i,"f").send(await u(this,a,"f").encrypt(e));for(let n of s)u(this,i,"f").send(await u(this,a,"f").encrypt(n)),u(this,r,"f").addMessage(n,!0)}),c(this,e,p,"f"),c(this,s,new w.default(N),"f"),c(this,a,new l.default(M,u(this,t,"f")),"f"),u(this,s,"f").on("connection",u(this,o,"f")),u(this,r,"f").on("updated",()=>{this.emit("updated")})}get id(){return u(this,s,"f").id}get name(){return u(this,e,"f")}get messages(){return u(this,r,"f").list}get state(){return u(this,n,"f")}get connectInfo(){return{id:u(this,s,"f").id,secret:u(this,a,"f").getSecret(u(this,t,"f"))}}}t=new WeakMap,e=new WeakMap,s=new WeakMap,i=new WeakMap,a=new WeakMap,r=new WeakMap,n=new WeakMap,o=new WeakMap,h=new WeakMap,f=new WeakMap,d=new WeakMap,exports.default=M; 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t=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){const[e,r,n]=arguments;if(arguments.length>0&&"function"==typeof e)return t.apply(this,arguments);if(0===t.length&&(0===arguments.length||"function"!=typeof e))return t.apply(this,[]);const o=function(e){const t={};return e.result().forEach(e=>{const r={id:e.id,timestamp:e.timestamp,type:{localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[e.type]||e.type};e.names().forEach(t=>{r[t]=e.stat(t)}),t[r.id]=r}),t},i=function(e){return new Map(Object.keys(e).map(t=>[t,e[t]]))};if(arguments.length>=2){const n=function(e){r(i(o(e)))};return t.apply(this,[n,e])}return new Promise((e,r)=>{t.apply(this,[function(t){e(i(o(t)))},r])}).then(r,n)}}function p(t){if(!("object"==typeof t&&t.RTCPeerConnection&&t.RTCRtpSender&&t.RTCRtpReceiver))return;if(!("getStats"in t.RTCRtpSender.prototype)){const r=t.RTCPeerConnection.prototype.getSenders;r&&(t.RTCPeerConnection.prototype.getSenders=function(){const e=r.apply(this,[]);return e.forEach(e=>e._pc=this),e});const n=t.RTCPeerConnection.prototype.addTrack;n&&(t.RTCPeerConnection.prototype.addTrack=function(){const e=n.apply(this,arguments);return e._pc=this,e}),t.RTCRtpSender.prototype.getStats=function(){const t=this;return this._pc.getStats().then(r=>e.filterStats(r,t.track,!0))}}if(!("getStats"in t.RTCRtpReceiver.prototype)){const r=t.RTCPeerConnection.prototype.getReceivers;r&&(t.RTCPeerConnection.prototype.getReceivers=function(){const e=r.apply(this,[]);return e.forEach(e=>e._pc=this),e}),e.wrapPeerConnectionEvent(t,"track",e=>(e.receiver._pc=e.srcElement,e)),t.RTCRtpReceiver.prototype.getStats=function(){const t=this;return this._pc.getStats().then(r=>e.filterStats(r,t.track,!1))}}if(!("getStats"in t.RTCRtpSender.prototype&&"getStats"in t.RTCRtpReceiver.prototype))return;const r=t.RTCPeerConnection.prototype.getStats;t.RTCPeerConnection.prototype.getStats=function(){if(arguments.length>0&&arguments[0]instanceof t.MediaStreamTrack){const e=arguments[0];let t,r,n;return this.getSenders().forEach(r=>{r.track===e&&(t?n=!0:t=r)}),this.getReceivers().forEach(t=>(t.track===e&&(r?n=!0:r=t),t.track===e)),n||t&&r?Promise.reject(new DOMException("There are more than one sender or receiver for the track.","InvalidAccessError")):t?t.getStats():r?r.getStats():Promise.reject(new DOMException("There is no sender or receiver for the track.","InvalidAccessError"))}return r.apply(this,arguments)}}function d(e){e.RTCPeerConnection.prototype.getLocalStreams=function(){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},Object.keys(this._shimmedLocalStreams).map(e=>this._shimmedLocalStreams[e][0])};const t=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,r){if(!r)return t.apply(this,arguments);this._shimmedLocalStreams=this._shimmedLocalStreams||{};const n=t.apply(this,arguments);return this._shimmedLocalStreams[r.id]?-1===this._shimmedLocalStreams[r.id].indexOf(n)&&this._shimmedLocalStreams[r.id].push(n):this._shimmedLocalStreams[r.id]=[r,n],n};const r=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){this._shimmedLocalStreams=this._shimmedLocalStreams||{},e.getTracks().forEach(e=>{if(this.getSenders().find(t=>t.track===e))throw new DOMException("Track already exists.","InvalidAccessError")});const t=this.getSenders();r.apply(this,arguments);const n=this.getSenders().filter(e=>-1===t.indexOf(e));this._shimmedLocalStreams[e.id]=[e].concat(n)};const n=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},delete this._shimmedLocalStreams[e.id],n.apply(this,arguments)};const o=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},e&&Object.keys(this._shimmedLocalStreams).forEach(t=>{const r=this._shimmedLocalStreams[t].indexOf(e);-1!==r&&this._shimmedLocalStreams[t].splice(r,1),1===this._shimmedLocalStreams[t].length&&delete this._shimmedLocalStreams[t]}),o.apply(this,arguments)}}function h(e,t){if(!e.RTCPeerConnection)return;if(e.RTCPeerConnection.prototype.addTrack&&t.version>=65)return d(e);const r=e.RTCPeerConnection.prototype.getLocalStreams;e.RTCPeerConnection.prototype.getLocalStreams=function(){const e=r.apply(this);return this._reverseStreams=this._reverseStreams||{},e.map(e=>this._reverseStreams[e.id])};const n=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(t){if(this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},t.getTracks().forEach(e=>{if(this.getSenders().find(t=>t.track===e))throw new DOMException("Track already exists.","InvalidAccessError")}),!this._reverseStreams[t.id]){const r=new e.MediaStream(t.getTracks());this._streams[t.id]=r,this._reverseStreams[r.id]=t,t=r}n.apply(this,[t])};const o=e.RTCPeerConnection.prototype.removeStream;function i(e,t){let r=t.sdp;return Object.keys(e._reverseStreams||[]).forEach(t=>{const n=e._reverseStreams[t],o=e._streams[n.id];r=r.replace(new RegExp(o.id,"g"),n.id)}),new RTCSessionDescription({type:t.type,sdp:r})}e.RTCPeerConnection.prototype.removeStream=function(e){this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},o.apply(this,[this._streams[e.id]||e]),delete this._reverseStreams[this._streams[e.id]?this._streams[e.id].id:e.id],delete this._streams[e.id]},e.RTCPeerConnection.prototype.addTrack=function(t,r){if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");const n=[].slice.call(arguments,1);if(1!==n.length||!n[0].getTracks().find(e=>e===t))throw new DOMException("The adapter.js addTrack polyfill only supports a single stream which is associated with the specified track.","NotSupportedError");if(this.getSenders().find(e=>e.track===t))throw new DOMException("Track already exists.","InvalidAccessError");this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{};const o=this._streams[r.id];if(o)o.addTrack(t),Promise.resolve().then(()=>{this.dispatchEvent(new Event("negotiationneeded"))});else{const n=new e.MediaStream([t]);this._streams[r.id]=n,this._reverseStreams[n.id]=r,this.addStream(n)}return this.getSenders().find(e=>e.track===t)},["createOffer","createAnswer"].forEach(function(t){const r=e.RTCPeerConnection.prototype[t],n={[t](){const e=arguments;return arguments.length&&"function"==typeof arguments[0]?r.apply(this,[t=>{const r=i(this,t);e[0].apply(null,[r])},t=>{e[1]&&e[1].apply(null,t)},arguments[2]]):r.apply(this,arguments).then(e=>i(this,e))}};e.RTCPeerConnection.prototype[t]=n[t]});const s=e.RTCPeerConnection.prototype.setLocalDescription;e.RTCPeerConnection.prototype.setLocalDescription=function(){return arguments.length&&arguments[0].type?(arguments[0]=function(e,t){let r=t.sdp;return Object.keys(e._reverseStreams||[]).forEach(t=>{const n=e._reverseStreams[t],o=e._streams[n.id];r=r.replace(new RegExp(n.id,"g"),o.id)}),new RTCSessionDescription({type:t.type,sdp:r})}(this,arguments[0]),s.apply(this,arguments)):s.apply(this,arguments)};const c=Object.getOwnPropertyDescriptor(e.RTCPeerConnection.prototype,"localDescription");Object.defineProperty(e.RTCPeerConnection.prototype,"localDescription",{get(){const e=c.get.apply(this);return""===e.type?e:i(this,e)}}),e.RTCPeerConnection.prototype.removeTrack=function(e){if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");if(!e._pc)throw new DOMException("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.","TypeError");if(!(e._pc===this))throw new DOMException("Sender was not created by this connection.","InvalidAccessError");let t;this._streams=this._streams||{},Object.keys(this._streams).forEach(r=>{this._streams[r].getTracks().find(t=>e.track===t)&&(t=this._streams[r])}),t&&(1===t.getTracks().length?this.removeStream(this._reverseStreams[t.id]):t.removeTrack(e.track),this.dispatchEvent(new Event("negotiationneeded")))}}function m(e,t){!e.RTCPeerConnection&&e.webkitRTCPeerConnection&&(e.RTCPeerConnection=e.webkitRTCPeerConnection),e.RTCPeerConnection&&t.version<53&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(t){const r=e.RTCPeerConnection.prototype[t],n={[t](){return arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),r.apply(this,arguments)}};e.RTCPeerConnection.prototype[t]=n[t]})}function C(t,r){e.wrapPeerConnectionEvent(t,"negotiationneeded",e=>{const t=e.target;if(!(r.version<72||t.getConfiguration&&"plan-b"===t.getConfiguration().sdpSemantics)||"stable"===t.signalingState)return e})} },{"../utils.js":"RsyN","./getusermedia":"RmTL","./getdisplaymedia":"yjjI"}],"uuCd":[function(require,module,exports) { "use strict";Object.defineProperty(exports,"__esModule",{value:!0}),exports.filterIceServers=n;var e=t(require("../utils"));function r(e){if("function"!=typeof WeakMap)return null;var t=new WeakMap,n=new WeakMap;return(r=function(e){return e?n:t})(e)}function t(e,t){if(!t&&e&&e.__esModule)return e;if(null===e||"object"!=typeof e&&"function"!=typeof e)return{default:e};var n=r(t);if(n&&n.has(e))return n.get(e);var u={},l=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var i in e)if("default"!==i&&Object.prototype.hasOwnProperty.call(e,i)){var s=l?Object.getOwnPropertyDescriptor(e,i):null;s&&(s.get||s.set)?Object.defineProperty(u,i,s):u[i]=e[i]}return u.default=e,n&&n.set(e,u),u}function n(r,t){let n=!1;return(r=JSON.parse(JSON.stringify(r))).filter(r=>{if(r&&(r.urls||r.url)){let t=r.urls||r.url;r.url&&!r.urls&&e.deprecated("RTCIceServer.url","RTCIceServer.urls");const u="string"==typeof t;return u&&(t=[t]),t=t.filter(e=>{if(0===e.indexOf("stun:"))return!1;const r=e.startsWith("turn")&&!e.startsWith("turn:[")&&e.includes("transport=udp");return r&&!n?(n=!0,!0):r&&!n}),delete r.url,r.urls=u?t[0]:t,!!t.length}})} },{"../utils":"RsyN"}],"jIWI":[function(require,module,exports) { "use strict";var r={generateIdentifier:function(){return Math.random().toString(36).substr(2,10)}};r.localCName=r.generateIdentifier(),r.splitLines=function(r){return r.trim().split("\n").map(function(r){return r.trim()})},r.splitSections=function(r){return r.split("\nm=").map(function(r,e){return(e>0?"m="+r:r).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(r){return 0===r.indexOf(t)})},r.parseCandidate=function(r){for(var e,t={foundation:(e=0===r.indexOf("a=candidate:")?r.substring(12).split(" "):r.substring(10).split(" "))[0],component:parseInt(e[1],10),protocol:e[2].toLowerCase(),priority:parseInt(e[3],10),ip:e[4],address:e[4],port:parseInt(e[5],10),type:e[7]},a=8;a0?e[0].split("/")[1]:"sendrecv",uri:e[1]}},r.writeExtmap=function(r){return"a=extmap:"+(r.id||r.preferredId)+(r.direction&&"sendrecv"!==r.direction?"/"+r.direction:"")+" "+r.uri+"\r\n"},r.parseFmtp=function(r){for(var e,t={},a=r.substr(r.indexOf(" ")+1).split(";"),n=0;n-1?(t.attribute=r.substr(e+1,a-e-1),t.value=r.substr(a+1)):t.attribute=r.substr(e+1),t},r.parseSsrcGroup=function(r){var e=r.substr(13).split(" ");return{semantics:e.shift(),ssrcs:e.map(function(r){return parseInt(r,10)})}},r.getMid=function(e){var t=r.matchPrefix(e,"a=mid:")[0];if(t)return t.substr(6)},r.parseFingerprint=function(r){var e=r.substr(14).split(" ");return{algorithm:e[0].toLowerCase(),value:e[1]}},r.getDtlsParameters=function(e,t){return{role:"auto",fingerprints:r.matchPrefix(e+t,"a=fingerprint:").map(r.parseFingerprint)}},r.writeDtlsParameters=function(r,e){var t="a=setup:"+e+"\r\n";return r.fingerprints.forEach(function(r){t+="a=fingerprint:"+r.algorithm+" "+r.value+"\r\n"}),t},r.parseCryptoLine=function(r){var e=r.substr(9).split(" ");return{tag:parseInt(e[0],10),cryptoSuite:e[1],keyParams:e[2],sessionParams:e.slice(3)}},r.writeCryptoLine=function(e){return"a=crypto:"+e.tag+" "+e.cryptoSuite+" "+("object"==typeof e.keyParams?r.writeCryptoKeyParams(e.keyParams):e.keyParams)+(e.sessionParams?" "+e.sessionParams.join(" "):"")+"\r\n"},r.parseCryptoKeyParams=function(r){if(0!==r.indexOf("inline:"))return null;var e=r.substr(7).split("|");return{keyMethod:"inline",keySalt:e[0],lifeTime:e[1],mkiValue:e[2]?e[2].split(":")[0]:void 0,mkiLength:e[2]?e[2].split(":")[1]:void 0}},r.writeCryptoKeyParams=function(r){return r.keyMethod+":"+r.keySalt+(r.lifeTime?"|"+r.lifeTime:"")+(r.mkiValue&&r.mkiLength?"|"+r.mkiValue+":"+r.mkiLength:"")},r.getCryptoParameters=function(e,t){return r.matchPrefix(e+t,"a=crypto:").map(r.parseCryptoLine)},r.getIceParameters=function(e,t){var a=r.matchPrefix(e+t,"a=ice-ufrag:")[0],n=r.matchPrefix(e+t,"a=ice-pwd:")[0];return a&&n?{usernameFragment:a.substr(12),password:n.substr(10)}:null},r.writeIceParameters=function(r){return"a=ice-ufrag:"+r.usernameFragment+"\r\na=ice-pwd:"+r.password+"\r\n"},r.parseRtpParameters=function(e){for(var t={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]},a=r.splitLines(e)[0].split(" "),n=3;n0?"9":"0",a+=" UDP/TLS/RTP/SAVPF ",a+=t.codecs.map(function(r){return void 0!==r.preferredPayloadType?r.preferredPayloadType:r.payloadType}).join(" ")+"\r\n",a+="c=IN IP4 0.0.0.0\r\n",a+="a=rtcp:9 IN IP4 0.0.0.0\r\n",t.codecs.forEach(function(e){a+=r.writeRtpMap(e),a+=r.writeFmtp(e),a+=r.writeRtcpFb(e)});var n=0;return t.codecs.forEach(function(r){r.maxptime>n&&(n=r.maxptime)}),n>0&&(a+="a=maxptime:"+n+"\r\n"),a+="a=rtcp-mux\r\n",t.headerExtensions&&t.headerExtensions.forEach(function(e){a+=r.writeExtmap(e)}),a},r.parseRtpEncodingParameters=function(e){var t,a=[],n=r.parseRtpParameters(e),s=-1!==n.fecMechanisms.indexOf("RED"),i=-1!==n.fecMechanisms.indexOf("ULPFEC"),p=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(r){return"cname"===r.attribute}),c=p.length>0&&p[0].ssrc,o=r.matchPrefix(e,"a=ssrc-group:FID").map(function(r){return r.substr(17).split(" ").map(function(r){return parseInt(r,10)})});o.length>0&&o[0].length>1&&o[0][0]===c&&(t=o[0][1]),n.codecs.forEach(function(r){if("RTX"===r.name.toUpperCase()&&r.parameters.apt){var e={ssrc:c,codecPayloadType:parseInt(r.parameters.apt,10)};c&&t&&(e.rtx={ssrc:t}),a.push(e),s&&((e=JSON.parse(JSON.stringify(e))).fec={ssrc:c,mechanism:i?"red+ulpfec":"red"},a.push(e))}}),0===a.length&&c&&a.push({ssrc:c});var u=r.matchPrefix(e,"b=");return u.length&&(u=0===u[0].indexOf("b=TIAS:")?parseInt(u[0].substr(7),10):0===u[0].indexOf("b=AS:")?1e3*parseInt(u[0].substr(5),10)*.95-16e3:void 0,a.forEach(function(r){r.maxBitrate=u})),a},r.parseRtcpParameters=function(e){var t={},a=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(r){return"cname"===r.attribute})[0];a&&(t.cname=a.value,t.ssrc=a.ssrc);var n=r.matchPrefix(e,"a=rtcp-rsize");t.reducedSize=n.length>0,t.compound=0===n.length;var s=r.matchPrefix(e,"a=rtcp-mux");return t.mux=s.length>0,t},r.parseMsid=function(e){var t,a=r.matchPrefix(e,"a=msid:");if(1===a.length)return{stream:(t=a[0].substr(7).split(" "))[0],track:t[1]};var n=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(r){return"msid"===r.attribute});return n.length>0?{stream:(t=n[0].value.split(" "))[0],track:t[1]}:void 0},r.parseSctpDescription=function(e){var t,a=r.parseMLine(e),n=r.matchPrefix(e,"a=max-message-size:");n.length>0&&(t=parseInt(n[0].substr(19),10)),isNaN(t)&&(t=65536);var s=r.matchPrefix(e,"a=sctp-port:");if(s.length>0)return{port:parseInt(s[0].substr(12),10),protocol:a.fmt,maxMessageSize:t};if(r.matchPrefix(e,"a=sctpmap:").length>0){var i=r.matchPrefix(e,"a=sctpmap:")[0].substr(10).split(" ");return{port:parseInt(i[0],10),protocol:i[1],maxMessageSize:t}}},r.writeSctpDescription=function(r,e){var t=[];return t="DTLS/SCTP"!==r.protocol?["m="+r.kind+" 9 "+r.protocol+" "+e.protocol+"\r\n","c=IN IP4 0.0.0.0\r\n","a=sctp-port:"+e.port+"\r\n"]:["m="+r.kind+" 9 "+r.protocol+" "+e.port+"\r\n","c=IN IP4 0.0.0.0\r\n","a=sctpmap:"+e.port+" "+e.protocol+" 65535\r\n"],void 0!==e.maxMessageSize&&t.push("a=max-message-size:"+e.maxMessageSize+"\r\n"),t.join("")},r.generateSessionId=function(){return Math.random().toString().substr(2,21)},r.writeSessionBoilerplate=function(e,t,a){var n=void 0!==t?t:2;return"v=0\r\no="+(a||"thisisadapterortc")+" "+(e||r.generateSessionId())+" "+n+" IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\n"},r.writeMediaSection=function(e,t,a,n){var s=r.writeRtpDescription(e.kind,t);if(s+=r.writeIceParameters(e.iceGatherer.getLocalParameters()),s+=r.writeDtlsParameters(e.dtlsTransport.getLocalParameters(),"offer"===a?"actpass":"active"),s+="a=mid:"+e.mid+"\r\n",e.direction?s+="a="+e.direction+"\r\n":e.rtpSender&&e.rtpReceiver?s+="a=sendrecv\r\n":e.rtpSender?s+="a=sendonly\r\n":e.rtpReceiver?s+="a=recvonly\r\n":s+="a=inactive\r\n",e.rtpSender){var i="msid:"+n.id+" "+e.rtpSender.track.id+"\r\n";s+="a="+i,s+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" "+i,e.sendEncodingParameters[0].rtx&&(s+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" "+i,s+="a=ssrc-group:FID "+e.sendEncodingParameters[0].ssrc+" "+e.sendEncodingParameters[0].rtx.ssrc+"\r\n")}return s+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" cname:"+r.localCName+"\r\n",e.rtpSender&&e.sendEncodingParameters[0].rtx&&(s+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" cname:"+r.localCName+"\r\n"),s},r.getDirection=function(e,t){for(var a=r.splitLines(e),n=0;n=14393&&-1===e.indexOf("?transport=udp")}),delete e.url,e.urls=a?n[0]:n,!!n.length}})}function a(e,t){var r={codecs:[],headerExtensions:[],fecMechanisms:[]},n=function(e,t){e=parseInt(e,10);for(var r=0;r0;i--)this._iceGatherers.push(new c.RTCIceGatherer({iceServers:t.iceServers,gatherPolicy:t.iceTransportPolicy}));else t.iceCandidatePoolSize=0;this._config=t,this.transceivers=[],this._sdpSessionId=e.generateSessionId(),this._sdpSessionVersion=0,this._dtlsRole=void 0,this._isClosed=!1};Object.defineProperty(f.prototype,"localDescription",{configurable:!0,get:function(){return this._localDescription}}),Object.defineProperty(f.prototype,"remoteDescription",{configurable:!0,get:function(){return this._remoteDescription}}),f.prototype.onicecandidate=null,f.prototype.onaddstream=null,f.prototype.ontrack=null,f.prototype.onremovestream=null,f.prototype.onsignalingstatechange=null,f.prototype.oniceconnectionstatechange=null,f.prototype.onconnectionstatechange=null,f.prototype.onicegatheringstatechange=null,f.prototype.onnegotiationneeded=null,f.prototype.ondatachannel=null,f.prototype._dispatchEvent=function(e,t){this._isClosed||(this.dispatchEvent(t),"function"==typeof this["on"+e]&&this["on"+e](t))},f.prototype._emitGatheringStateChange=function(){var e=new Event("icegatheringstatechange");this._dispatchEvent("icegatheringstatechange",e)},f.prototype.getConfiguration=function(){return this._config},f.prototype.getLocalStreams=function(){return this.localStreams},f.prototype.getRemoteStreams=function(){return this.remoteStreams},f.prototype._createTransceiver=function(e,t){var r=this.transceivers.length>0,n={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&&r)n.iceTransport=this.transceivers[0].iceTransport,n.dtlsTransport=this.transceivers[0].dtlsTransport;else{var a=this._createIceAndDtlsTransports();n.iceTransport=a.iceTransport,n.dtlsTransport=a.dtlsTransport}return t||this.transceivers.push(n),n},f.prototype.addTrack=function(e,t){if(this._isClosed)throw o("InvalidStateError","Attempted to call addTrack on a closed peerconnection.");var r;if(this.transceivers.find(function(t){return t.track===e}))throw o("InvalidAccessError","Track already exists.");for(var n=0;n=15025)e.getTracks().forEach(function(r){t.addTrack(r,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){t.addTrack(e,r)})}},f.prototype.removeTrack=function(e){if(this._isClosed)throw o("InvalidStateError","Attempted to call removeTrack on a closed peerconnection.");if(!(e instanceof c.RTCRtpSender))throw new TypeError("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.");var t=this.transceivers.find(function(t){return t.rtpSender===e});if(!t)throw o("InvalidAccessError","Sender was not created by this connection.");var r=t.stream;t.rtpSender.stop(),t.rtpSender=null,t.track=null,t.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()},f.prototype.removeStream=function(e){var t=this;e.getTracks().forEach(function(e){var r=t.getSenders().find(function(t){return t.track===e});r&&t.removeTrack(r)})},f.prototype.getSenders=function(){return this.transceivers.filter(function(e){return!!e.rtpSender}).map(function(e){return e.rtpSender})},f.prototype.getReceivers=function(){return this.transceivers.filter(function(e){return!!e.rtpReceiver}).map(function(e){return e.rtpReceiver})},f.prototype._createIceGatherer=function(e,t){var r=this;if(t&&e>0)return this.transceivers[0].iceGatherer;if(this._iceGatherers.length)return this._iceGatherers.shift();var n=new c.RTCIceGatherer({iceServers:this._config.iceServers,gatherPolicy:this._config.iceTransportPolicy});return Object.defineProperty(n,"state",{value:"new",writable:!0}),this.transceivers[e].bufferedCandidateEvents=[],this.transceivers[e].bufferCandidates=function(t){var a=!t.candidate||0===Object.keys(t.candidate).length;n.state=a?"completed":"gathering",null!==r.transceivers[e].bufferedCandidateEvents&&r.transceivers[e].bufferedCandidateEvents.push(t)},n.addEventListener("localcandidate",this.transceivers[e].bufferCandidates),n},f.prototype._gather=function(t,r){var n=this,a=this.transceivers[r].iceGatherer;if(!a.onlocalcandidate){var i=this.transceivers[r].bufferedCandidateEvents;this.transceivers[r].bufferedCandidateEvents=null,a.removeEventListener("localcandidate",this.transceivers[r].bufferCandidates),a.onlocalcandidate=function(i){if(!(n.usingBundle&&r>0)){var s=new Event("icecandidate");s.candidate={sdpMid:t,sdpMLineIndex:r};var o=i.candidate,c=!o||0===Object.keys(o).length;if(c)"new"!==a.state&&"gathering"!==a.state||(a.state="completed");else{"new"===a.state&&(a.state="gathering"),o.component=1,o.ufrag=a.getLocalParameters().usernameFragment;var d=e.writeCandidate(o);s.candidate=Object.assign(s.candidate,e.parseCandidate(d)),s.candidate.candidate=d,s.candidate.toJSON=function(){return{candidate:s.candidate.candidate,sdpMid:s.candidate.sdpMid,sdpMLineIndex:s.candidate.sdpMLineIndex,usernameFragment:s.candidate.usernameFragment}}}var p=e.getMediaSections(n._localDescription.sdp);p[s.candidate.sdpMLineIndex]+=c?"a=end-of-candidates\r\n":"a="+s.candidate.candidate+"\r\n",n._localDescription.sdp=e.getDescription(n._localDescription.sdp)+p.join("");var l=n.transceivers.every(function(e){return e.iceGatherer&&"completed"===e.iceGatherer.state});"gathering"!==n.iceGatheringState&&(n.iceGatheringState="gathering",n._emitGatheringStateChange()),c||n._dispatchEvent("icecandidate",s),l&&(n._dispatchEvent("icecandidate",new Event("icecandidate")),n.iceGatheringState="complete",n._emitGatheringStateChange())}},c.setTimeout(function(){i.forEach(function(e){a.onlocalcandidate(e)})},0)}},f.prototype._createIceAndDtlsTransports=function(){var e=this,t=new c.RTCIceTransport(null);t.onicestatechange=function(){e._updateIceConnectionState(),e._updateConnectionState()};var r=new c.RTCDtlsTransport(t);return r.ondtlsstatechange=function(){e._updateConnectionState()},r.onerror=function(){Object.defineProperty(r,"state",{value:"failed",writable:!0}),e._updateConnectionState()},{iceTransport:t,dtlsTransport:r}},f.prototype._disposeIceAndDtlsTransports=function(e){var t=this.transceivers[e].iceGatherer;t&&(delete t.onlocalcandidate,delete this.transceivers[e].iceGatherer);var r=this.transceivers[e].iceTransport;r&&(delete r.onicestatechange,delete this.transceivers[e].iceTransport);var n=this.transceivers[e].dtlsTransport;n&&(delete n.ondtlsstatechange,delete n.onerror,delete this.transceivers[e].dtlsTransport)},f.prototype._transceive=function(t,r,n){var i=a(t.localCapabilities,t.remoteCapabilities);r&&t.rtpSender&&(i.encodings=t.sendEncodingParameters,i.rtcp={cname:e.localCName,compound:t.rtcpParameters.compound},t.recvEncodingParameters.length&&(i.rtcp.ssrc=t.recvEncodingParameters[0].ssrc),t.rtpSender.send(i)),n&&t.rtpReceiver&&i.codecs.length>0&&("video"===t.kind&&t.recvEncodingParameters&&d<15019&&t.recvEncodingParameters.forEach(function(e){delete e.rtx}),t.recvEncodingParameters.length?i.encodings=t.recvEncodingParameters:i.encodings=[{}],i.rtcp={compound:t.rtcpParameters.compound},t.rtcpParameters.cname&&(i.rtcp.cname=t.rtcpParameters.cname),t.sendEncodingParameters.length&&(i.rtcp.ssrc=t.sendEncodingParameters[0].ssrc),t.rtpReceiver.receive(i))},f.prototype.setLocalDescription=function(t){var r,n,s=this;if(-1===["offer","answer"].indexOf(t.type))return Promise.reject(o("TypeError",'Unsupported type "'+t.type+'"'));if(!i("setLocalDescription",t.type,s.signalingState)||s._isClosed)return Promise.reject(o("InvalidStateError","Can not set local "+t.type+" in state "+s.signalingState));if("offer"===t.type)r=e.splitSections(t.sdp),n=r.shift(),r.forEach(function(t,r){var n=e.parseRtpParameters(t);s.transceivers[r].localCapabilities=n}),s.transceivers.forEach(function(e,t){s._gather(e.mid,t)});else if("answer"===t.type){r=e.splitSections(s._remoteDescription.sdp),n=r.shift();var c=e.matchPrefix(n,"a=ice-lite").length>0;r.forEach(function(t,r){var i=s.transceivers[r],o=i.iceGatherer,d=i.iceTransport,p=i.dtlsTransport,l=i.localCapabilities,f=i.remoteCapabilities;if(!(e.isRejected(t)&&0===e.matchPrefix(t,"a=bundle-only").length)&&!i.rejected){var u=e.getIceParameters(t,n),v=e.getDtlsParameters(t,n);c&&(v.role="server"),s.usingBundle&&0!==r||(s._gather(i.mid,r),"new"===d.state&&d.start(o,u,c?"controlling":"controlled"),"new"===p.state&&p.start(v));var h=a(l,f);s._transceive(i,h.codecs.length>0,!1)}})}return s._localDescription={type:t.type,sdp:t.sdp},"offer"===t.type?s._updateSignalingState("have-local-offer"):s._updateSignalingState("stable"),Promise.resolve()},f.prototype.setRemoteDescription=function(t){var r=this;if(-1===["offer","answer"].indexOf(t.type))return Promise.reject(o("TypeError",'Unsupported type "'+t.type+'"'));if(!i("setRemoteDescription",t.type,r.signalingState)||r._isClosed)return Promise.reject(o("InvalidStateError","Can not set remote "+t.type+" in state "+r.signalingState));var n={};r.remoteStreams.forEach(function(e){n[e.id]=e});var f=[],u=e.splitSections(t.sdp),v=u.shift(),h=e.matchPrefix(v,"a=ice-lite").length>0,m=e.matchPrefix(v,"a=group:BUNDLE ").length>0;r.usingBundle=m;var g=e.matchPrefix(v,"a=ice-options:")[0];return r.canTrickleIceCandidates=!!g&&g.substr(14).split(" ").indexOf("trickle")>=0,u.forEach(function(i,o){var l=e.splitLines(i),u=e.getKind(i),g=e.isRejected(i)&&0===e.matchPrefix(i,"a=bundle-only").length,y=l[0].substr(2).split(" ")[2],S=e.getDirection(i,v),T=e.parseMsid(i),E=e.getMid(i)||e.generateIdentifier();if(g||"application"===u&&("DTLS/SCTP"===y||"UDP/DTLS/SCTP"===y))r.transceivers[o]={mid:E,kind:u,protocol:y,rejected:!0};else{var C,P,w,R,_,k,b,x,D;!g&&r.transceivers[o]&&r.transceivers[o].rejected&&(r.transceivers[o]=r._createTransceiver(u,!0));var I,L,M=e.parseRtpParameters(i);g||(I=e.getIceParameters(i,v),(L=e.getDtlsParameters(i,v)).role="client"),b=e.parseRtpEncodingParameters(i);var O=e.parseRtcpParameters(i),G=e.matchPrefix(i,"a=end-of-candidates",v).length>0,j=e.matchPrefix(i,"a=candidate:").map(function(t){return e.parseCandidate(t)}).filter(function(e){return 1===e.component});if(("offer"===t.type||"answer"===t.type)&&!g&&m&&o>0&&r.transceivers[o]&&(r._disposeIceAndDtlsTransports(o),r.transceivers[o].iceGatherer=r.transceivers[0].iceGatherer,r.transceivers[o].iceTransport=r.transceivers[0].iceTransport,r.transceivers[o].dtlsTransport=r.transceivers[0].dtlsTransport,r.transceivers[o].rtpSender&&r.transceivers[o].rtpSender.setTransport(r.transceivers[0].dtlsTransport),r.transceivers[o].rtpReceiver&&r.transceivers[o].rtpReceiver.setTransport(r.transceivers[0].dtlsTransport)),"offer"!==t.type||g){if("answer"===t.type&&!g){P=(C=r.transceivers[o]).iceGatherer,w=C.iceTransport,R=C.dtlsTransport,_=C.rtpReceiver,k=C.sendEncodingParameters,x=C.localCapabilities,r.transceivers[o].recvEncodingParameters=b,r.transceivers[o].remoteCapabilities=M,r.transceivers[o].rtcpParameters=O,j.length&&"new"===w.state&&(!h&&!G||m&&0!==o?j.forEach(function(e){s(C.iceTransport,e)}):w.setRemoteCandidates(j)),m&&0!==o||("new"===w.state&&w.start(P,I,"controlling"),"new"===R.state&&R.start(L)),!a(C.localCapabilities,C.remoteCapabilities).codecs.filter(function(e){return"rtx"===e.name.toLowerCase()}).length&&C.sendEncodingParameters[0].rtx&&delete C.sendEncodingParameters[0].rtx,r._transceive(C,"sendrecv"===S||"recvonly"===S,"sendrecv"===S||"sendonly"===S),!_||"sendrecv"!==S&&"sendonly"!==S?delete C.rtpReceiver:(D=_.track,T?(n[T.stream]||(n[T.stream]=new c.MediaStream),p(D,n[T.stream]),f.push([D,_,n[T.stream]])):(n.default||(n.default=new c.MediaStream),p(D,n.default),f.push([D,_,n.default])))}}else{(C=r.transceivers[o]||r._createTransceiver(u)).mid=E,C.iceGatherer||(C.iceGatherer=r._createIceGatherer(o,m)),j.length&&"new"===C.iceTransport.state&&(!G||m&&0!==o?j.forEach(function(e){s(C.iceTransport,e)}):C.iceTransport.setRemoteCandidates(j)),x=c.RTCRtpReceiver.getCapabilities(u),d<15019&&(x.codecs=x.codecs.filter(function(e){return"rtx"!==e.name})),k=C.sendEncodingParameters||[{ssrc:1001*(2*o+2)}];var N,A=!1;if("sendrecv"===S||"sendonly"===S){if(A=!C.rtpReceiver,_=C.rtpReceiver||new c.RTCRtpReceiver(C.dtlsTransport,u),A)D=_.track,T&&"-"===T.stream||(T?(n[T.stream]||(n[T.stream]=new c.MediaStream,Object.defineProperty(n[T.stream],"id",{get:function(){return T.stream}})),Object.defineProperty(D,"id",{get:function(){return T.track}}),N=n[T.stream]):(n.default||(n.default=new c.MediaStream),N=n.default)),N&&(p(D,N),C.associatedRemoteMediaStreams.push(N)),f.push([D,_,N])}else C.rtpReceiver&&C.rtpReceiver.track&&(C.associatedRemoteMediaStreams.forEach(function(e){var t,r,n=e.getTracks().find(function(e){return e.id===C.rtpReceiver.track.id});n&&(t=n,(r=e).removeTrack(t),r.dispatchEvent(new c.MediaStreamTrackEvent("removetrack",{track:t})))}),C.associatedRemoteMediaStreams=[]);C.localCapabilities=x,C.remoteCapabilities=M,C.rtpReceiver=_,C.rtcpParameters=O,C.sendEncodingParameters=k,C.recvEncodingParameters=b,r._transceive(r.transceivers[o],!1,A)}}}),void 0===r._dtlsRole&&(r._dtlsRole="offer"===t.type?"active":"passive"),r._remoteDescription={type:t.type,sdp:t.sdp},"offer"===t.type?r._updateSignalingState("have-remote-offer"):r._updateSignalingState("stable"),Object.keys(n).forEach(function(e){var t=n[e];if(t.getTracks().length){if(-1===r.remoteStreams.indexOf(t)){r.remoteStreams.push(t);var a=new Event("addstream");a.stream=t,c.setTimeout(function(){r._dispatchEvent("addstream",a)})}f.forEach(function(e){var n=e[0],a=e[1];t.id===e[2].id&&l(r,n,a,[t])})}}),f.forEach(function(e){e[2]||l(r,e[0],e[1],[])}),c.setTimeout(function(){r&&r.transceivers&&r.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()},f.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")},f.prototype._updateSignalingState=function(e){this.signalingState=e;var t=new Event("signalingstatechange");this._dispatchEvent("signalingstatechange",t)},f.prototype._maybeFireNegotiationNeeded=function(){var e=this;"stable"===this.signalingState&&!0!==this.needNegotiation&&(this.needNegotiation=!0,c.setTimeout(function(){if(e.needNegotiation){e.needNegotiation=!1;var t=new Event("negotiationneeded");e._dispatchEvent("negotiationneeded",t)}},0))},f.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 r=new Event("iceconnectionstatechange");this._dispatchEvent("iceconnectionstatechange",r)}},f.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 r=new Event("connectionstatechange");this._dispatchEvent("connectionstatechange",r)}},f.prototype.createOffer=function(){var t=this;if(t._isClosed)return Promise.reject(o("InvalidStateError","Can not call createOffer after close"));var n=t.transceivers.filter(function(e){return"audio"===e.kind}).length,a=t.transceivers.filter(function(e){return"video"===e.kind}).length,i=arguments[0];if(i){if(i.mandatory||i.optional)throw new TypeError("Legacy mandatory/optional constraints not supported.");void 0!==i.offerToReceiveAudio&&(n=!0===i.offerToReceiveAudio?1:!1===i.offerToReceiveAudio?0:i.offerToReceiveAudio),void 0!==i.offerToReceiveVideo&&(a=!0===i.offerToReceiveVideo?1:!1===i.offerToReceiveVideo?0:i.offerToReceiveVideo)}for(t.transceivers.forEach(function(e){"audio"===e.kind?--n<0&&(e.wantReceive=!1):"video"===e.kind&&--a<0&&(e.wantReceive=!1)});n>0||a>0;)n>0&&(t._createTransceiver("audio"),n--),a>0&&(t._createTransceiver("video"),a--);var s=e.writeSessionBoilerplate(t._sdpSessionId,t._sdpSessionVersion++);t.transceivers.forEach(function(r,n){var a=r.track,i=r.kind,s=r.mid||e.generateIdentifier();r.mid=s,r.iceGatherer||(r.iceGatherer=t._createIceGatherer(n,t.usingBundle));var o=c.RTCRtpSender.getCapabilities(i);d<15019&&(o.codecs=o.codecs.filter(function(e){return"rtx"!==e.name})),o.codecs.forEach(function(e){"H264"===e.name&&void 0===e.parameters["level-asymmetry-allowed"]&&(e.parameters["level-asymmetry-allowed"]="1"),r.remoteCapabilities&&r.remoteCapabilities.codecs&&r.remoteCapabilities.codecs.forEach(function(t){e.name.toLowerCase()===t.name.toLowerCase()&&e.clockRate===t.clockRate&&(e.preferredPayloadType=t.payloadType)})}),o.headerExtensions.forEach(function(e){(r.remoteCapabilities&&r.remoteCapabilities.headerExtensions||[]).forEach(function(t){e.uri===t.uri&&(e.id=t.id)})});var p=r.sendEncodingParameters||[{ssrc:1001*(2*n+1)}];a&&d>=15019&&"video"===i&&!p[0].rtx&&(p[0].rtx={ssrc:p[0].ssrc+1}),r.wantReceive&&(r.rtpReceiver=new c.RTCRtpReceiver(r.dtlsTransport,i)),r.localCapabilities=o,r.sendEncodingParameters=p}),"max-compat"!==t._config.bundlePolicy&&(s+="a=group:BUNDLE "+t.transceivers.map(function(e){return e.mid}).join(" ")+"\r\n"),s+="a=ice-options:trickle\r\n",t.transceivers.forEach(function(n,a){s+=r(n,n.localCapabilities,"offer",n.stream,t._dtlsRole),s+="a=rtcp-rsize\r\n",!n.iceGatherer||"new"===t.iceGatheringState||0!==a&&t.usingBundle||(n.iceGatherer.getLocalCandidates().forEach(function(t){t.component=1,s+="a="+e.writeCandidate(t)+"\r\n"}),"completed"===n.iceGatherer.state&&(s+="a=end-of-candidates\r\n"))});var p=new c.RTCSessionDescription({type:"offer",sdp:s});return Promise.resolve(p)},f.prototype.createAnswer=function(){var t=this;if(t._isClosed)return Promise.reject(o("InvalidStateError","Can not call createAnswer after close"));if("have-remote-offer"!==t.signalingState&&"have-local-pranswer"!==t.signalingState)return Promise.reject(o("InvalidStateError","Can not call createAnswer in signalingState "+t.signalingState));var n=e.writeSessionBoilerplate(t._sdpSessionId,t._sdpSessionVersion++);t.usingBundle&&(n+="a=group:BUNDLE "+t.transceivers.map(function(e){return e.mid}).join(" ")+"\r\n"),n+="a=ice-options:trickle\r\n";var i=e.getMediaSections(t._remoteDescription.sdp).length;t.transceivers.forEach(function(e,s){if(!(s+1>i)){if(e.rejected)return"application"===e.kind?"DTLS/SCTP"===e.protocol?n+="m=application 0 DTLS/SCTP 5000\r\n":n+="m=application 0 "+e.protocol+" webrtc-datachannel\r\n":"audio"===e.kind?n+="m=audio 0 UDP/TLS/RTP/SAVPF 0\r\na=rtpmap:0 PCMU/8000\r\n":"video"===e.kind&&(n+="m=video 0 UDP/TLS/RTP/SAVPF 120\r\na=rtpmap:120 VP8/90000\r\n"),void(n+="c=IN IP4 0.0.0.0\r\na=inactive\r\na=mid:"+e.mid+"\r\n");var o;if(e.stream)"audio"===e.kind?o=e.stream.getAudioTracks()[0]:"video"===e.kind&&(o=e.stream.getVideoTracks()[0]),o&&d>=15019&&"video"===e.kind&&!e.sendEncodingParameters[0].rtx&&(e.sendEncodingParameters[0].rtx={ssrc:e.sendEncodingParameters[0].ssrc+1});var c=a(e.localCapabilities,e.remoteCapabilities);!c.codecs.filter(function(e){return"rtx"===e.name.toLowerCase()}).length&&e.sendEncodingParameters[0].rtx&&delete e.sendEncodingParameters[0].rtx,n+=r(e,c,"answer",e.stream,t._dtlsRole),e.rtcpParameters&&e.rtcpParameters.reducedSize&&(n+="a=rtcp-rsize\r\n")}});var s=new c.RTCSessionDescription({type:"answer",sdp:n});return Promise.resolve(s)},f.prototype.addIceCandidate=function(t){var r,n=this;return t&&void 0===t.sdpMLineIndex&&!t.sdpMid?Promise.reject(new TypeError("sdpMLineIndex or sdpMid required")):new Promise(function(a,i){if(!n._remoteDescription)return i(o("InvalidStateError","Can not add ICE candidate without a remote description"));if(t&&""!==t.candidate){var c=t.sdpMLineIndex;if(t.sdpMid)for(var d=0;d0?e.parseCandidate(t.candidate):{};if("tcp"===l.protocol&&(0===l.port||9===l.port))return a();if(l.component&&1!==l.component)return a();if((0===c||c>0&&p.iceTransport!==n.transceivers[0].iceTransport)&&!s(p.iceTransport,l))return i(o("OperationError","Can not add ICE candidate"));var f=t.candidate.trim();0===f.indexOf("a=")&&(f=f.substr(2)),(r=e.getMediaSections(n._remoteDescription.sdp))[c]+="a="+(l.type?f:"end-of-candidates")+"\r\n",n._remoteDescription.sdp=e.getDescription(n._remoteDescription.sdp)+r.join("")}else for(var u=0;uPromise.reject(function(e){return{name:{PermissionDeniedError:"NotAllowedError"}[e.name]||e.name,message:e.message,constraint:e.constraint,toString(){return this.name}}}(e)))}}Object.defineProperty(exports,"__esModule",{value:!0}),exports.shimGetUserMedia=e; },{}],"zgJ4":[function(require,module,exports) { "use strict";function e(e){"getDisplayMedia"in e.navigator&&e.navigator.mediaDevices&&(e.navigator.mediaDevices&&"getDisplayMedia"in e.navigator.mediaDevices||(e.navigator.mediaDevices.getDisplayMedia=e.navigator.getDisplayMedia.bind(e.navigator)))}Object.defineProperty(exports,"__esModule",{value:!0}),exports.shimGetDisplayMedia=e; },{}],"F7IB":[function(require,module,exports) { "use strict";Object.defineProperty(exports,"__esModule",{value:!0}),exports.shimPeerConnection=p,exports.shimReplaceTrack=a,Object.defineProperty(exports,"shimGetUserMedia",{enumerable:!0,get:function(){return n.shimGetUserMedia}}),Object.defineProperty(exports,"shimGetDisplayMedia",{enumerable:!0,get:function(){return i.shimGetDisplayMedia}});var e=c(require("../utils")),t=require("./filtericeservers"),r=o(require("rtcpeerconnection-shim")),n=require("./getusermedia"),i=require("./getdisplaymedia");function o(e){return e&&e.__esModule?e:{default:e}}function s(e){if("function"!=typeof WeakMap)return null;var t=new WeakMap,r=new 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