Module 528416

function(){!function e(t,r,n){function i(a,s){if(!r[a]){if(!t[a]){if(o)return o(a,!0);var l=Error("Cannot find module '"+a+"'");throw l.code="MODULE_NOT_FOUND",l}var u=r[a]={exports:{}};t[a][0].call(u.exports,function(e){return i(t[a][1][e]||e)},u,u.exports,e,t,r,n)}return r[a].exports}for(var o=void 0,a=0;a<n.length;a++)i(n[a]);return i}({1:[function(e,t,r){"use strict";t.exports=(0,e("./adapter_factory.js").adapterFactory)({window:"u"<typeof window?void 0:window})},{"./adapter_factory.js":2}],2:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0}),r.adapterFactory=function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.window,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{shimChrome:!0,shimFirefox:!0,shimEdge:!0,shimSafari:!0},u=n.log,c=n.detectBrowser(t),f={browserDetails:c,commonShim:l,extractVersion:n.extractVersion,disableLog:n.disableLog,disableWarnings:n.disableWarnings};switch(c.browser){case"chrome":if(!i||!i.shimPeerConnection||!r.shimChrome){u("Chrome shim is not included in this adapter release.");break}if(null===c.version){u("Chrome shim can not determine version, not shimming.");break}u("adapter.js shimming chrome."),f.browserShim=i,l.shimAddIceCandidateNullOrEmpty(t,c),i.shimGetUserMedia(t,c),i.shimMediaStream(t,c),i.shimPeerConnection(t,c),i.shimOnTrack(t,c),i.shimAddTrackRemoveTrack(t,c),i.shimGetSendersWithDtmf(t,c),i.shimGetStats(t,c),i.shimSenderReceiverGetStats(t,c),i.fixNegotiationNeeded(t,c),l.shimRTCIceCandidate(t,c),l.shimConnectionState(t,c),l.shimMaxMessageSize(t,c),l.shimSendThrowTypeError(t,c),l.removeExtmapAllowMixed(t,c);break;case"firefox":if(!a||!a.shimPeerConnection||!r.shimFirefox){u("Firefox shim is not included in this adapter release.");break}u("adapter.js shimming firefox."),f.browserShim=a,l.shimAddIceCandidateNullOrEmpty(t,c),a.shimGetUserMedia(t,c),a.shimPeerConnection(t,c),a.shimOnTrack(t,c),a.shimRemoveStream(t,c),a.shimSenderGetStats(t,c),a.shimReceiverGetStats(t,c),a.shimRTCDataChannel(t,c),a.shimAddTransceiver(t,c),a.shimGetParameters(t,c),a.shimCreateOffer(t,c),a.shimCreateAnswer(t,c),l.shimRTCIceCandidate(t,c),l.shimConnectionState(t,c),l.shimMaxMessageSize(t,c),l.shimSendThrowTypeError(t,c);break;case"edge":if(!o||!o.shimPeerConnection||!r.shimEdge){u("MS edge shim is not included in this adapter release.");break}u("adapter.js shimming edge."),f.browserShim=o,o.shimGetUserMedia(t,c),o.shimGetDisplayMedia(t,c),o.shimPeerConnection(t,c),o.shimReplaceTrack(t,c),l.shimMaxMessageSize(t,c),l.shimSendThrowTypeError(t,c);break;case"safari":if(!s||!r.shimSafari){u("Safari shim is not included in this adapter release.");break}u("adapter.js shimming safari."),f.browserShim=s,l.shimAddIceCandidateNullOrEmpty(t,c),s.shimRTCIceServerUrls(t,c),s.shimCreateOfferLegacy(t,c),s.shimCallbacksAPI(t,c),s.shimLocalStreamsAPI(t,c),s.shimRemoteStreamsAPI(t,c),s.shimTrackEventTransceiver(t,c),s.shimGetUserMedia(t,c),s.shimAudioContext(t,c),l.shimRTCIceCandidate(t,c),l.shimMaxMessageSize(t,c),l.shimSendThrowTypeError(t,c),l.removeExtmapAllowMixed(t,c);break;default:u("Unsupported browser!")}return f};var n=u(e("./utils")),i=u(e("./chrome/chrome_shim")),o=u(e("./edge/edge_shim")),a=u(e("./firefox/firefox_shim")),s=u(e("./safari/safari_shim")),l=u(e("./common_shim"));function u(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t.default=e,t}},{"./chrome/chrome_shim":3,"./common_shim":6,"./edge/edge_shim":12,"./firefox/firefox_shim":7,"./safari/safari_shim":10,"./utils":11}],3:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0}),r.shimGetDisplayMedia=r.shimGetUserMedia=void 0;var n="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},i=e("./getusermedia");Object.defineProperty(r,"shimGetUserMedia",{enumerable:!0,get:function(){return i.shimGetUserMedia}});var o=e("./getdisplaymedia");Object.defineProperty(r,"shimGetDisplayMedia",{enumerable:!0,get:function(){return o.shimGetDisplayMedia}}),r.shimMediaStream=function(e){e.MediaStream=e.MediaStream||e.webkitMediaStream},r.shimOnTrack=function(e){if((void 0===e?"undefined":n(e))!=="object"||!e.RTCPeerConnection||"ontrack"in e.RTCPeerConnection.prototype)a.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=void 0;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=void 0;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((void 0===e?"undefined":n(e))==="object"&&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 i=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){i.apply(this,arguments);var t=this._senders.indexOf(e);-1!==t&&this._senders.splice(t,1)}}var o=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){var r=this;this._senders=this._senders||[],o.apply(this,[e]),e.getTracks().forEach(function(e){r._senders.push(t(r,e))})};var a=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){var t=this;this._senders=this._senders||[],a.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((void 0===e?"undefined":n(e))==="object"&&e.RTCPeerConnection&&"getSenders"in e.RTCPeerConnection.prototype&&"createDTMFSender"in e.RTCPeerConnection.prototype&&e.RTCRtpSender&&!("dtmf"in e.RTCRtpSender.prototype)){var s=e.RTCPeerConnection.prototype.getSenders;e.RTCPeerConnection.prototype.getSenders=function(){var e=this,t=s.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=Array.prototype.slice.call(arguments),n=r[0],i=r[1],o=r[2];if(arguments.length>0&&"function"==typeof n)return t.apply(this,arguments);if(0===t.length&&(0==arguments.length||"function"!=typeof n))return t.apply(this,[]);var a=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},s=function(e){return new Map(Object.keys(e).map(function(t){return[t,e[t]]}))};return arguments.length>=2?t.apply(this,[function(e){i(s(a(e)))},n]):new Promise(function(r,n){t.apply(e,[function(e){r(s(a(e)))},n])}).then(i,o)}}},r.shimSenderReceiverGetStats=function(e){if((void 0===e?"undefined":n(e))==="object"&&e.RTCPeerConnection&&e.RTCRtpSender&&e.RTCRtpReceiver){if(!("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(){var e=this;return this._pc.getStats().then(function(t){return a.filterStats(t,e.track,!0)})}}if(!("getStats"in e.RTCRtpReceiver.prototype)){var i=e.RTCPeerConnection.prototype.getReceivers;i&&(e.RTCPeerConnection.prototype.getReceivers=function(){var e=this,t=i.apply(this,[]);return t.forEach(function(t){return t._pc=e}),t}),a.wrapPeerConnectionEvent(e,"track",function(e){return e.receiver._pc=e.srcElement,e}),e.RTCRtpReceiver.prototype.getStats=function(){var e=this;return this._pc.getStats().then(function(t){return a.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=arguments[0],r=void 0,n=void 0,i=void 0;return(this.getSenders().forEach(function(e){e.track===t&&(r?i=!0:r=e)}),this.getReceivers().forEach(function(e){return e.track===t&&(n?i=!0:n=e),e.track===t}),i||r&&n)?Promise.reject(new DOMException("There are more than one sender or receiver for the track.","InvalidAccessError")):r?r.getStats():n?n.getStats():Promise.reject(new DOMException("There is no sender or receiver for the track.","InvalidAccessError"))}return o.apply(this,arguments)}}}},r.shimAddTrackRemoveTrackWithNative=l,r.shimAddTrackRemoveTrack=function(e,t){if(e.RTCPeerConnection){if(e.RTCPeerConnection.prototype.addTrack&&t.version>=65)return l(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,n=arguments.length&&"function"==typeof arguments[0];return n?r.apply(this,[function(r){var n=u(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 u(e,t)})});e.RTCPeerConnection.prototype[t]=n[t]});var o=e.RTCPeerConnection.prototype.setLocalDescription;e.RTCPeerConnection.prototype.setLocalDescription=function(){var e,t,r;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(RegExp(n.id,"g"),i.id)}),new RTCSessionDescription({type:t.type,sdp:r}))),o.apply(this,arguments)};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:u(this,e)}}),e.RTCPeerConnection.prototype.removeTrack=function(e){var t=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||{};var r=void 0;Object.keys(this._streams).forEach(function(n){t._streams[n].getTracks().find(function(t){return e.track===t})&&(r=t._streams[n])}),r&&(1===r.getTracks().length?this.removeStream(this._reverseStreams[r.id]):r.removeTrack(e.track),this.dispatchEvent(new Event("negotiationneeded")))}}function u(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(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){a.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})};var a=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t.default=e,t}(e("../utils.js"));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 l(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":11,"./getdisplaymedia":4,"./getusermedia":5}],4:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0}),r.shimGetDisplayMedia=function(e,t){if((!e.navigator.mediaDevices||!("getDisplayMedia"in e.navigator.mediaDevices))&&e.navigator.mediaDevices){if("function"!=typeof t)return void console.error("shimGetDisplayMedia: getSourceId argument is not a function");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)})}}}},{}],5:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0});var n="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};r.shimGetUserMedia=function(e,t){var r=e&&e.navigator;if(r.mediaDevices){var o=function(e){if((void 0===e?"undefined":n(e))!=="object"||e.mandatory||e.optional)return e;var t={};return Object.keys(e).forEach(function(r){if("require"!==r&&"advanced"!==r&&"mediaSource"!==r){var i="object"===n(e[r])?e[r]:{ideal:e[r]};void 0!==i.exact&&"number"==typeof i.exact&&(i.min=i.max=i.exact);var o=function(e,t){return e?e+t.charAt(0).toUpperCase()+t.slice(1):"deviceId"===t?"sourceId":t};if(void 0!==i.ideal){t.optional=t.optional||[];var a={};"number"==typeof i.ideal?(a[o("min",r)]=i.ideal,t.optional.push(a),(a={})[o("max",r)]=i.ideal):a[o("",r)]=i.ideal,t.optional.push(a)}void 0!==i.exact&&"number"!=typeof i.exact?(t.mandatory=t.mandatory||{},t.mandatory[o("",r)]=i.exact):["min","max"].forEach(function(e){void 0!==i[e]&&(t.mandatory=t.mandatory||{},t.mandatory[o(e,r)]=i[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"===n(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=o(e.audio)}if(e&&"object"===n(e.video)){var l=e.video.facingMode;l=l&&((void 0===l?"undefined":n(l))==="object"?l:{ideal:l});var u=t.version<66;if(l&&("user"===l.exact||"environment"===l.exact||"user"===l.ideal||"environment"===l.ideal)&&!(r.mediaDevices.getSupportedConstraints&&r.mediaDevices.getSupportedConstraints().facingMode&&!u)){delete e.video.facingMode;var c=void 0;if("environment"===l.exact||"environment"===l.ideal?c=["back","rear"]:("user"===l.exact||"user"===l.ideal)&&(c=["front"]),c)return r.mediaDevices.enumerateDevices().then(function(t){var r=(t=t.filter(function(e){return"videoinput"===e.kind})).find(function(e){return c.some(function(t){return e.label.toLowerCase().includes(t)})});return!r&&t.length&&c.includes("back")&&(r=t[t.length-1]),r&&(e.video.deviceId=l.exact?{exact:r.deviceId}:{ideal:r.deviceId}),e.video=o(e.video),i("chrome: "+JSON.stringify(e)),a(e)})}e.video=o(e.video)}return i("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&&": 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n=t.sdp.split("\n").filter(function(e){return"a=extmap-allow-mixed"!==e.trim()}).join("\n");e.RTCSessionDescription&&t instanceof e.RTCSessionDescription?arguments[0]=new e.RTCSessionDescription({type:t.type,sdp:n}):t.sdp=n}return r.apply(this,arguments)}}},r.shimAddIceCandidateNullOrEmpty=function(e,t){if(e.RTCPeerConnection&&e.RTCPeerConnection.prototype){var r=e.RTCPeerConnection.prototype.addIceCandidate;r&&0!==r.length&&(e.RTCPeerConnection.prototype.addIceCandidate=function(){return arguments[0]?("chrome"===t.browser&&t.version<78||"firefox"===t.browser&&t.version<68||"safari"===t.browser)&&arguments[0]&&""===arguments[0].candidate?Promise.resolve():r.apply(this,arguments):(arguments[1]&&arguments[1].apply(null),Promise.resolve())})}};var o=(n=e("sdp"))&&n.__esModule?n:{default:n},a=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return 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i.apply(this,[n||null]).then(function(e){if(t.version<53&&!o)try{e.forEach(function(e){e.type=r[e.type]||e.type})}catch(t){if("TypeError"!==t.name)throw t;e.forEach(function(t,n){e.set(n,Object.assign({},t,{type:r[t.type]||t.type}))})}return e}).then(o,a)}}},r.shimSenderGetStats=function(e){if((void 0===e?"undefined":n(e))==="object"&&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((void 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this.setParametersPromises&&this.setParametersPromises.length?Promise.all(this.setParametersPromises).then(function(){return t.apply(e,r)}).finally(function(){e.setParametersPromises=[]}):t.apply(this,arguments)}}};var a=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t.default=e,t}(e("../utils"))},{"../utils":11,"./getdisplaymedia":8,"./getusermedia":9}],8:[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 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r=this,n=arguments.length,i=Array(n>1?n-1:0),o=1;o<n;o++)i[o-1]=arguments[o];return i&&i.forEach(function(e){r._localStreams?r._localStreams.includes(e)||r._localStreams.push(e):r._localStreams=[e]}),t.apply(this,arguments)}}"removeStream"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.removeStream=function(e){var t=this;this._localStreams||(this._localStreams=[]);var r=this._localStreams.indexOf(e);if(-1!==r){this._localStreams.splice(r,1);var n=e.getTracks();this.getSenders().forEach(function(e){n.includes(e.track)&&t.removeTrack(e)})}})}},r.shimRemoteStreamsAPI=function(e){if((void 0===e?"undefined":n(e))==="object"&&e.RTCPeerConnection&&("getRemoteStreams"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.getRemoteStreams=function(){return this._remoteStreams?this._remoteStreams:[]}),!("onaddstream"in e.RTCPeerConnection.prototype))){Object.defineProperty(e.RTCPeerConnection.prototype,"onaddstream",{get:function(){return 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r=t.mediaDevices,n=r.getUserMedia.bind(r);t.mediaDevices.getUserMedia=function(e){return n(o(e))}}!t.getUserMedia&&t.mediaDevices&&t.mediaDevices.getUserMedia&&(t.getUserMedia=(function(e,r,n){t.mediaDevices.getUserMedia(e).then(r,n)}).bind(t))},r.shimConstraints=o,r.shimRTCIceServerUrls=function(e){if(e.RTCPeerConnection){var t=e.RTCPeerConnection;e.RTCPeerConnection=function(e,r){if(e&&e.iceServers){for(var n=[],o=0;o<e.iceServers.length;o++){var a=e.iceServers[o];!a.hasOwnProperty("urls")&&a.hasOwnProperty("url")?(i.deprecated("RTCIceServer.url","RTCIceServer.urls"),(a=JSON.parse(JSON.stringify(a))).urls=a.url,delete a.url,n.push(a)):n.push(e.iceServers[o])}e.iceServers=n}return new t(e,r)},e.RTCPeerConnection.prototype=t.prototype,"generateCertificate"in t&&Object.defineProperty(e.RTCPeerConnection,"generateCertificate",{get:function(){return t.generateCertificate}})}},r.shimTrackEventTransceiver=function(e){(void 0===e?"undefined":n(e))==="object"&&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.shimCreateOfferLegacy=function(e){var t=e.RTCPeerConnection.prototype.createOffer;e.RTCPeerConnection.prototype.createOffer=function(e){if(e){void 0!==e.offerToReceiveAudio&&(e.offerToReceiveAudio=!!e.offerToReceiveAudio);var r=this.getTransceivers().find(function(e){return"audio"===e.receiver.track.kind});!1===e.offerToReceiveAudio&&r?"sendrecv"===r.direction?r.setDirection?r.setDirection("sendonly"):r.direction="sendonly":"recvonly"===r.direction&&(r.setDirection?r.setDirection("inactive"):r.direction="inactive"):!0!==e.offerToReceiveAudio||r||this.addTransceiver("audio"),void 0!==e.offerToReceiveVideo&&(e.offerToReceiveVideo=!!e.offerToReceiveVideo);var n=this.getTransceivers().find(function(e){return"video"===e.receiver.track.kind});!1===e.offerToReceiveVideo&&n?"sendrecv"===n.direction?n.setDirection?n.setDirection("sendonly"):n.direction="sendonly":"recvonly"===n.direction&&(n.setDirection?n.setDirection("inactive"):n.direction="inactive"):!0!==e.offerToReceiveVideo||n||this.addTransceiver("video")}return t.apply(this,arguments)}},r.shimAudioContext=function(e){(void 0===e?"undefined":n(e))!=="object"||e.AudioContext||(e.AudioContext=e.webkitAudioContext)};var i=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t.default=e,t}(e("../utils"));function o(e){return e&&void 0!==e.video?Object.assign({},e,{video:i.compactObject(e.video)}):e}},{"../utils":11}],11:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0});var n="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};r.extractVersion=a,r.wrapPeerConnectionEvent=function(e,t,r){if(e.RTCPeerConnection){var n=e.RTCPeerConnection.prototype,i=n.addEventListener;n.addEventListener=function(e,n){if(e!==t)return i.apply(this,arguments);var o=function(e){var t=r(e);t&&(n.handleEvent?n.handleEvent(t):n(t))};return this._eventMap=this._eventMap||{},this._eventMap[t]||(this._eventMap[t]=new Map),this._eventMap[t].set(n,o),i.apply(this,[e,o])};var o=n.removeEventListener;n.removeEventListener=function(e,r){if(e!==t||!this._eventMap||!this._eventMap[t]||!this._eventMap[t].has(r))return o.apply(this,arguments);var n=this._eventMap[t].get(r);return this._eventMap[t].delete(r),0===this._eventMap[t].size&&delete this._eventMap[t],0===Object.keys(this._eventMap).length&&delete this._eventMap,o.apply(this,[e,n])},Object.defineProperty(n,"on"+t,{get:function(){return this["_on"+t]},set:function(e){this["_on"+t]&&(this.removeEventListener(t,this["_on"+t]),delete this["_on"+t]),e&&this.addEventListener(t,this["_on"+t]=e)},enumerable:!0,configurable:!0})}},r.disableLog=function(e){return"boolean"!=typeof e?Error("Argument type: "+(void 0===e?"undefined":n(e))+". Please use a boolean."):(i=e,e?"adapter.js logging disabled":"adapter.js logging enabled")},r.disableWarnings=function(e){return"boolean"!=typeof e?Error("Argument type: "+(void 0===e?"undefined":n(e))+". Please use a boolean."):(o=!e,"adapter.js deprecation warnings "+(e?"disabled":"enabled"))},r.log=function(){("u"<typeof window?"undefined":n(window))==="object"&&!i&&"u">typeof console&&"function"==typeof console.log&&console.log.apply(console,arguments)},r.deprecated=function(e,t){o&&console.warn(e+" is deprecated, please use "+t+" instead.")},r.detectBrowser=function(e){var t={browser:null,version:null};if(void 0===e||!e.navigator)return t.browser="Not a browser.",t;var r=e.navigator;return r.mozGetUserMedia?(t.browser="firefox",t.version=a(r.userAgent,/Firefox\/(\d+)\./,1)):r.webkitGetUserMedia||!1===e.isSecureContext&&e.webkitRTCPeerConnection&&!e.RTCIceGatherer?(t.browser="chrome",t.version=a(r.userAgent,/Chrom(e|ium)\/(\d+)\./,2)):r.mediaDevices&&r.userAgent.match(/Edge\/(\d+).(\d+)$/)?(t.browser="edge",t.version=a(r.userAgent,/Edge\/(\d+).(\d+)$/,2)):e.RTCPeerConnection&&r.userAgent.match(/AppleWebKit\/(\d+)\./)?(t.browser="safari",t.version=a(r.userAgent,/AppleWebKit\/(\d+)\./,1),t.supportsUnifiedPlan=e.RTCRtpTransceiver&&"currentDirection"in e.RTCRtpTransceiver.prototype):t.browser="Not a supported browser.",t},r.compactObject=function e(t){return s(t)?Object.keys(t).reduce(function(r,n){var i,o=s(t[n]),a=o?e(t[n]):t[n],l=o&&!Object.keys(a).length;return void 0===a||l?r:Object.assign(r,(n in(i={})?Object.defineProperty(i,n,{value:a,enumerable:!0,configurable:!0,writable:!0}):i[n]=a,i))},{}):t},r.walkStats=l,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&&l(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 l(e,t,r){!t||r.has(t.id)||(r.set(t.id,t),Object.keys(t).forEach(function(n){n.endsWith("Id")?l(e,e.get(t[n]),r):n.endsWith("Ids")&&t[n].forEach(function(t){l(e,e.get(t),r)})}))}},{}],12:[function(e,t,r){},{}],13:[function(e,t,r){"use strict";var n={};n.generateIdentifier=function(){return Math.random().toString(36).substr(2,10)},n.localCName=n.generateIdentifier(),n.splitLines=function(e){return e.trim().split("\n").map(function(e){return e.trim()})},n.splitSections=function(e){return e.split("\nm=").map(function(e,t){return(t>0?"m="+e:e).trim()+"\r\n"})},n.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=0===e.indexOf("a=candidate:")?e.substring(12).split(" "):e.substring(10).split(" "),r={foundation:t[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;n<t.length;n+=2)switch(t[n]){case"raddr":r.relatedAddress=t[n+1];break;case"rport":r.relatedPort=parseInt(t[n+1],10);break;case"tcptype":r.tcpType=t[n+1];break;case"ufrag":r.ufrag=t[n+1],r.usernameFragment=t[n+1];break;default:r[t[n]]=t[n+1]}return r},n.writeCandidate=function(e){var t=[];t.push(e.foundation),t.push(e.component),t.push(e.protocol.toUpperCase()),t.push(e.priority),t.push(e.address||e.ip),t.push(e.port);var r=e.type;return t.push("typ"),t.push(r),"host"!==r&&e.relatedAddress&&e.relatedPort&&(t.push("raddr"),t.push(e.relatedAddress),t.push("rport"),t.push(e.relatedPort)),e.tcpType&&"tcp"===e.protocol.toLowerCase()&&(t.push("tcptype"),t.push(e.tcpType)),(e.usernameFragment||e.ufrag)&&(t.push("ufrag"),t.push(e.usernameFragment||e.ufrag)),"candidate:"+t.join(" ")},n.parseIceOptions=function(e){return e.substr(14).split(" ")},n.parseRtpMap=function(e){var t=e.substr(9).split(" "),r={payloadType:parseInt(t.shift(),10)};return r.name=(t=t[0].split("/"))[0],r.clockRate=parseInt(t[1],10),r.channels=3===t.length?parseInt(t[2],10):1,r.numChannels=r.channels,r},n.writeRtpMap=function(e){var t=e.payloadType;void 0!==e.preferredPayloadType&&(t=e.preferredPayloadType);var r=e.channels||e.numChannels||1;return"a=rtpmap:"+t+" "+e.name+"/"+e.clockRate+(1!==r?"/"+r:"")+"\r\n"},n.parseExtmap=function(e){var t=e.substr(9).split(" ");return{id:parseInt(t[0],10),direction:t[0].indexOf("/")>0?t[0].split("/")[1]:"sendrecv",uri:t[1]}},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<n.length;i++)r[(t=n[i].trim().split("="))[0].trim()]=t[1];return r},n.writeFmtp=function(e){var t="",r=e.payloadType;if(void 0!==e.preferredPayloadType&&(r=e.preferredPayloadType),e.parameters&&Object.keys(e.parameters).length){var n=[];Object.keys(e.parameters).forEach(function(t){e.parameters[t]?n.push(t+"="+e.parameters[t]):n.push(t)}),t+="a=fmtp:"+r+" "+n.join(";")+"\r\n"}return t},n.parseRtcpFb=function(e){var t=e.substr(e.indexOf(" ")+1).split(" ");return{type:t.shift(),parameter:t.join(" ")}},n.writeRtcpFb=function(e){var t="",r=e.payloadType;return void 0!==e.preferredPayloadType&&(r=e.preferredPayloadType),e.rtcpFeedback&&e.rtcpFeedback.length&&e.rtcpFeedback.forEach(function(e){t+="a=rtcp-fb:"+r+" "+e.type+(e.parameter&&e.parameter.length?" "+e.parameter:"")+"\r\n"}),t},n.parseSsrcMedia=function(e){var t=e.indexOf(" "),r={ssrc:parseInt(e.substr(7,t-7),10)},n=e.indexOf(":",t);return n>-1?(r.attribute=e.substr(t+1,n-t-1),r.value=e.substr(n+1)):r.attribute=e.substr(t+1),r},n.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;i<r.length;i++){var o=r[i],a=n.matchPrefix(e,"a=rtpmap:"+o+" ")[0];if(a){var s=n.parseRtpMap(a),l=n.matchPrefix(e,"a=fmtp:"+o+" ");switch(s.parameters=l.length?n.parseFmtp(l[0]):{},s.rtcpFeedback=n.matchPrefix(e,"a=rtcp-fb:"+o+" ").map(n.parseRtcpFb),t.codecs.push(s),s.name.toUpperCase()){case"RED":case"ULPFEC":t.fecMechanisms.push(s.name.toUpperCase())}}}return n.matchPrefix(e,"a=extmap:").forEach(function(e){t.headerExtensions.push(n.parseExtmap(e))}),t},n.writeRtpDescription=function(e,t){var r="";r+="m="+e+" ",r+=t.codecs.length>0?"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}),l=s.length>0&&s[0].ssrc,u=n.matchPrefix(e,"a=ssrc-group:FID").map(function(e){return e.substr(17).split(" ").map(function(e){return parseInt(e,10)})});u.length>0&&u[0].length>1&&u[0][0]===l&&(t=u[0][1]),i.codecs.forEach(function(e){if("RTX"===e.name.toUpperCase()&&e.parameters.apt){var n={ssrc:l,codecPayloadType:parseInt(e.parameters.apt,10)};l&&t&&(n.rtx={ssrc:t}),r.push(n),o&&((n=JSON.parse(JSON.stringify(n))).fec={ssrc:l,mechanism:a?"red+ulpfec":"red"},r.push(n))}}),0===r.length&&l&&r.push({ssrc:l});var c=n.matchPrefix(e,"b=");return c.length&&(c=0===c[0].indexOf("b=TIAS:")?parseInt(c[0].substr(7),10):0===c[0].indexOf("b=AS:")?1e3*parseInt(c[0].substr(5),10)*.95-16e3:void 0,r.forEach(function(e){e.maxBitrate=c})),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");return t.reducedSize=i.length>0,t.compound=0===i.length,t.mux=n.matchPrefix(e,"a=rtcp-mux").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});if(i.length>0)return{stream:(t=i[0].value.split(" "))[0],track:t[1]}},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){return"v=0\r\no="+(r||"thisisadapterortc")+" "+(e||n.generateSessionId())+" "+(void 0!==t?t:2)+" 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<r.length;i++)switch(r[i]){case"a=sendrecv":case"a=sendonly":case"a=recvonly":case"a=inactive":return r[i].substr(2)}return t?n.getDirection(t):"sendrecv"},n.getKind=function(e){return n.splitLines(e)[0].split(" ")[0].substr(2)},n.isRejected=function(e){return"0"===e.split(" ",2)[1]},n.parseMLine=function(e){var t=n.splitLines(e)[0].substr(2).split(" ");return{kind:t[0],port:parseInt(t[1],10),protocol:t[2],fmt:t.slice(3).join(" ")}},n.parseOLine=function(e){var t=n.matchPrefix(e,"o=")[0].substr(2).split(" ");return{username:t[0],sessionId:t[1],sessionVersion:parseInt(t[2],10),netType:t[3],addressType:t[4],address:t[5]}},n.isValidSDP=function(e){if("string"!=typeof e||0===e.length)return!1;for(var t=n.splitLines(e),r=0;r<t.length;r++)if(t[r].length<2||"="!==t[r].charAt(1))return!1;return!0},"object"==typeof t&&(t.exports=n)},{}]},{},[1])}