/*
 *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree.
 *
 *  FROM: https://cdnjs.cloudflare.com/ajax/libs/webrtc-adapter/7.4.0/adapter.js
 */
 
!function(e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).adapter=e()}(function(){return function o(a,s,c){function d(t,e){if(!s[t]){if(!a[t]){var r="function"==typeof require&&require;if(!e&&r)return r(t,!0);if(p)return p(t,!0);var n=new Error("Cannot find module '"+t+"'");throw n.code="MODULE_NOT_FOUND",n}var i=s[t]={exports:{}};a[t][0].call(i.exports,function(e){return d(a[t][1][e]||e)},i,i.exports,o,a,s,c)}return s[t].exports}for(var p="function"==typeof require&&require,e=0;e<c.length;e++)d(c[e]);return d}({1:[function(e,t,r){"use strict";var n=(0,e("./adapter_factory.js").adapterFactory)({window:window});t.exports=n},{"./adapter_factory.js":2}],2:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0}),r.adapterFactory=function(){var e=(0<arguments.length&&void 0!==arguments[0]?arguments[0]:{}).window,t=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{shimChrome:!0,shimFirefox:!0,shimEdge:!0,shimSafari:!0},r=o.log,n=o.detectBrowser(e),i={browserDetails:n,commonShim:p,extractVersion:o.extractVersion,disableLog:o.disableLog,disableWarnings:o.disableWarnings};switch(n.browser){case"chrome":if(!a||!a.shimPeerConnection||!t.shimChrome)return r("Chrome shim is not included in this adapter release."),i;r("adapter.js shimming chrome."),(i.browserShim=a).shimGetUserMedia(e),a.shimMediaStream(e),a.shimPeerConnection(e),a.shimOnTrack(e),a.shimAddTrackRemoveTrack(e),a.shimGetSendersWithDtmf(e),a.shimGetStats(e),a.shimSenderReceiverGetStats(e),a.fixNegotiationNeeded(e),p.shimRTCIceCandidate(e),p.shimConnectionState(e),p.shimMaxMessageSize(e),p.shimSendThrowTypeError(e),p.removeAllowExtmapMixed(e);break;case"firefox":if(!c||!c.shimPeerConnection||!t.shimFirefox)return r("Firefox shim is not included in this adapter release."),i;r("adapter.js shimming firefox."),(i.browserShim=c).shimGetUserMedia(e),c.shimPeerConnection(e),c.shimOnTrack(e),c.shimRemoveStream(e),c.shimSenderGetStats(e),c.shimReceiverGetStats(e),c.shimRTCDataChannel(e),c.shimAddTransceiver(e),c.shimCreateOffer(e),c.shimCreateAnswer(e),p.shimRTCIceCandidate(e),p.shimConnectionState(e),p.shimMaxMessageSize(e),p.shimSendThrowTypeError(e);break;case"edge":if(!s||!s.shimPeerConnection||!t.shimEdge)return r("MS edge shim is not included in this adapter release."),i;r("adapter.js shimming edge."),(i.browserShim=s).shimGetUserMedia(e),s.shimGetDisplayMedia(e),s.shimPeerConnection(e),s.shimReplaceTrack(e),p.shimMaxMessageSize(e),p.shimSendThrowTypeError(e);break;case"safari":if(!d||!t.shimSafari)return r("Safari shim is not included in this adapter release."),i;r("adapter.js shimming safari."),(i.browserShim=d).shimRTCIceServerUrls(e),d.shimCreateOfferLegacy(e),d.shimCallbacksAPI(e),d.shimLocalStreamsAPI(e),d.shimRemoteStreamsAPI(e),d.shimTrackEventTransceiver(e),d.shimGetUserMedia(e),p.shimRTCIceCandidate(e),p.shimMaxMessageSize(e),p.shimSendThrowTypeError(e),p.removeAllowExtmapMixed(e);break;default:r("Unsupported browser!")}return i};var o=n(e("./utils")),a=n(e("./chrome/chrome_shim")),s=n(e("./edge/edge_shim")),c=n(e("./firefox/firefox_shim")),d=n(e("./safari/safari_shim")),p=n(e("./common_shim"));function n(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 s="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},n=e("./getusermedia");Object.defineProperty(r,"shimGetUserMedia",{enumerable:!0,get:function(){return n.shimGetUserMedia}});var i=e("./getdisplaymedia");Object.defineProperty(r,"shimGetDisplayMedia",{enumerable:!0,get:function(){return i.shimGetDisplayMedia}}),r.shimMediaStream=function(e){e.MediaStream=e.MediaStream||e.webkitMediaStream},r.shimOnTrack=function(o){{var e;"object"!==(void 0===o?"undefined":s(o))||!o.RTCPeerConnection||"ontrack"in o.RTCPeerConnection.prototype?c.wrapPeerConnectionEvent(o,"track",function(e){return e.transceiver||Object.defineProperty(e,"transceiver",{value:{receiver:e.receiver}}),e}):(Object.defineProperty(o.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}),e=o.RTCPeerConnection.prototype.setRemoteDescription,o.RTCPeerConnection.prototype.setRemoteDescription=function(){var i=this;return this._ontrackpoly||(this._ontrackpoly=function(n){n.stream.addEventListener("addtrack",function(t){var e=void 0,e=o.RTCPeerConnection.prototype.getReceivers?i.getReceivers().find(function(e){return e.track&&e.track.id===t.track.id}):{track:t.track},r=new Event("track");r.track=t.track,r.receiver=e,r.transceiver={receiver:e},r.streams=[n.stream],i.dispatchEvent(r)}),n.stream.getTracks().forEach(function(t){var e=void 0,e=o.RTCPeerConnection.prototype.getReceivers?i.getReceivers().find(function(e){return e.track&&e.track.id===t.id}):{track:t},r=new Event("track");r.track=t,r.receiver=e,r.transceiver={receiver:e},r.streams=[n.stream],i.dispatchEvent(r)})},this.addEventListener("addstream",this._ontrackpoly)),e.apply(this,arguments)})}},r.shimGetSendersWithDtmf=function(e){{var n,i,r,o,t,a;"object"===(void 0===e?"undefined":s(e))&&e.RTCPeerConnection&&!("getSenders"in e.RTCPeerConnection.prototype)&&"createDTMFSender"in e.RTCPeerConnection.prototype?(n=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}},e.RTCPeerConnection.prototype.getSenders||(e.RTCPeerConnection.prototype.getSenders=function(){return this._senders=this._senders||[],this._senders.slice()},i=e.RTCPeerConnection.prototype.addTrack,e.RTCPeerConnection.prototype.addTrack=function(e,t){var r=i.apply(this,arguments);return r||(r=n(this,e),this._senders.push(r)),r},r=e.RTCPeerConnection.prototype.removeTrack,e.RTCPeerConnection.prototype.removeTrack=function(e){r.apply(this,arguments);var t=this._senders.indexOf(e);-1!==t&&this._senders.splice(t,1)}),o=e.RTCPeerConnection.prototype.addStream,e.RTCPeerConnection.prototype.addStream=function(e){var t=this;this._senders=this._senders||[],o.apply(this,[e]),e.getTracks().forEach(function(e){t._senders.push(n(t,e))})},t=e.RTCPeerConnection.prototype.removeStream,e.RTCPeerConnection.prototype.removeStream=function(e){var r=this;this._senders=this._senders||[],t.apply(this,[e]),e.getTracks().forEach(function(t){var e=r._senders.find(function(e){return e.track===t});e&&r._senders.splice(r._senders.indexOf(e),1)})}):"object"===(void 0===e?"undefined":s(e))&&e.RTCPeerConnection&&"getSenders"in e.RTCPeerConnection.prototype&&"createDTMFSender"in e.RTCPeerConnection.prototype&&e.RTCRtpSender&&!("dtmf"in e.RTCRtpSender.prototype)&&(a=e.RTCPeerConnection.prototype.getSenders,e.RTCPeerConnection.prototype.getSenders=function(){var t=this,e=a.apply(this,[]);return e.forEach(function(e){return e._pc=t}),e},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)return;var s=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){var r=this,e=Array.prototype.slice.call(arguments),t=e[0],n=e[1],i=e[2];if(0<arguments.length&&"function"==typeof t)return s.apply(this,arguments);if(0===s.length&&(0===arguments.length||"function"!=typeof t))return s.apply(this,[]);function o(e){var n={};return e.result().forEach(function(t){var r={id:t.id,timestamp:t.timestamp,type:{localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[t.type]||t.type};t.names().forEach(function(e){r[e]=t.stat(e)}),n[r.id]=r}),n}function a(t){return new Map(Object.keys(t).map(function(e){return[e,t[e]]}))}if(2<=arguments.length){return s.apply(this,[function(e){n(a(o(e)))},t])}return new Promise(function(t,e){s.apply(r,[function(e){t(a(o(e)))},e])}).then(n,i)}},r.shimSenderReceiverGetStats=function(o){if(!("object"===(void 0===o?"undefined":s(o))&&o.RTCPeerConnection&&o.RTCRtpSender&&o.RTCRtpReceiver))return;{var r,t;"getStats"in o.RTCRtpSender.prototype||((r=o.RTCPeerConnection.prototype.getSenders)&&(o.RTCPeerConnection.prototype.getSenders=function(){var t=this,e=r.apply(this,[]);return e.forEach(function(e){return e._pc=t}),e}),(t=o.RTCPeerConnection.prototype.addTrack)&&(o.RTCPeerConnection.prototype.addTrack=function(){var e=t.apply(this,arguments);return e._pc=this,e}),o.RTCRtpSender.prototype.getStats=function(){var t=this;return this._pc.getStats().then(function(e){return c.filterStats(e,t.track,!0)})})}{var n;"getStats"in o.RTCRtpReceiver.prototype||((n=o.RTCPeerConnection.prototype.getReceivers)&&(o.RTCPeerConnection.prototype.getReceivers=function(){var t=this,e=n.apply(this,[]);return e.forEach(function(e){return e._pc=t}),e}),c.wrapPeerConnectionEvent(o,"track",function(e){return e.receiver._pc=e.srcElement,e}),o.RTCRtpReceiver.prototype.getStats=function(){var t=this;return this._pc.getStats().then(function(e){return c.filterStats(e,t.track,!1)})})}if(!("getStats"in o.RTCRtpSender.prototype&&"getStats"in o.RTCRtpReceiver.prototype))return;var a=o.RTCPeerConnection.prototype.getStats;o.RTCPeerConnection.prototype.getStats=function(e){if(0<arguments.length&&e instanceof o.MediaStreamTrack){var t=e,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 a.apply(this,arguments)}},r.shimAddTrackRemoveTrackWithNative=p,r.shimAddTrackRemoveTrack=function(a){if(!a.RTCPeerConnection)return;var e=c.detectBrowser(a);if(a.RTCPeerConnection.prototype.addTrack&&65<=e.version)return p(a);var r=a.RTCPeerConnection.prototype.getLocalStreams;a.RTCPeerConnection.prototype.getLocalStreams=function(){var t=this,e=r.apply(this);return this._reverseStreams=this._reverseStreams||{},e.map(function(e){return t._reverseStreams[e.id]})};var n=a.RTCPeerConnection.prototype.addStream;a.RTCPeerConnection.prototype.addStream=function(e){var t,r=this;this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},e.getTracks().forEach(function(t){if(r.getSenders().find(function(e){return e.track===t}))throw new DOMException("Track already exists.","InvalidAccessError")}),this._reverseStreams[e.id]||(t=new a.MediaStream(e.getTracks()),this._streams[e.id]=t,this._reverseStreams[t.id]=e,e=t),n.apply(this,[e])};var t=a.RTCPeerConnection.prototype.removeStream;function i(n,e){var i=e.sdp;return Object.keys(n._reverseStreams||[]).forEach(function(e){var t=n._reverseStreams[e],r=n._streams[t.id];i=i.replace(new RegExp(r.id,"g"),t.id)}),new RTCSessionDescription({type:e.type,sdp:i})}a.RTCPeerConnection.prototype.removeStream=function(e){this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},t.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]},a.RTCPeerConnection.prototype.addTrack=function(t,e){var r=this;if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");var n=[].slice.call(arguments,1);if(1!==n.length||!n[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 i,o=this._streams[e.id];return o?(o.addTrack(t),Promise.resolve().then(function(){r.dispatchEvent(new Event("negotiationneeded"))})):(i=new a.MediaStream([t]),this._streams[e.id]=i,this._reverseStreams[i.id]=e,this.addStream(i)),this.getSenders().find(function(e){return e.track===t})},["createOffer","createAnswer"].forEach(function(e){var t=a.RTCPeerConnection.prototype[e],r=d({},e,function(){var r=this,n=arguments;return arguments.length&&"function"==typeof arguments[0]?t.apply(this,[function(e){var t=i(r,e);n[0].apply(null,[t])},function(e){n[1]&&n[1].apply(null,e)},arguments[2]]):t.apply(this,arguments).then(function(e){return i(r,e)})});a.RTCPeerConnection.prototype[e]=r[e]});var o=a.RTCPeerConnection.prototype.setLocalDescription;a.RTCPeerConnection.prototype.setLocalDescription=function(e){return arguments.length&&e.type&&(n=this,i=(t=e).sdp,Object.keys(n._reverseStreams||[]).forEach(function(e){var t=n._reverseStreams[e],r=n._streams[t.id];i=i.replace(new RegExp(t.id,"g"),r.id)}),e=new RTCSessionDescription({type:t.type,sdp:i})),o.apply(this,arguments);var n,t,i};var s=Object.getOwnPropertyDescriptor(a.RTCPeerConnection.prototype,"localDescription");Object.defineProperty(a.RTCPeerConnection.prototype,"localDescription",{get:function(){var e=s.get.apply(this);return""===e.type?e:i(this,e)}}),a.RTCPeerConnection.prototype.removeTrack=function(t){var r=this;if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");if(!t._pc)throw new DOMException("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.","TypeError");if(!(t._pc===this))throw new DOMException("Sender was not created by this connection.","InvalidAccessError");this._streams=this._streams||{};var n=void 0;Object.keys(this._streams).forEach(function(e){r._streams[e].getTracks().find(function(e){return t.track===e})&&(n=r._streams[e])}),n&&(1===n.getTracks().length?this.removeStream(this._reverseStreams[n.id]):n.removeTrack(t.track),this.dispatchEvent(new Event("negotiationneeded")))}},r.shimPeerConnection=function(n){var r=c.detectBrowser(n);!n.RTCPeerConnection&&n.webkitRTCPeerConnection&&(n.RTCPeerConnection=n.webkitRTCPeerConnection);if(!n.RTCPeerConnection)return;r.version<53&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(e){var t=n.RTCPeerConnection.prototype[e],r=d({},e,function(){return arguments[0]=new("addIceCandidate"===e?n.RTCIceCandidate:n.RTCSessionDescription)(arguments[0]),t.apply(this,arguments)});n.RTCPeerConnection.prototype[e]=r[e]});var i=n.RTCPeerConnection.prototype.addIceCandidate;n.RTCPeerConnection.prototype.addIceCandidate=function(e,t){return e?r.version<78&&e&&""===e.candidate?Promise.resolve():i.apply(this,arguments):(t&&t.apply(null),Promise.resolve())}},r.fixNegotiationNeeded=function(e){c.wrapPeerConnectionEvent(e,"negotiationneeded",function(e){if("stable"===e.target.signalingState)return e})};var c=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 d(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}function p(e){e.RTCPeerConnection.prototype.getLocalStreams=function(){var t=this;return this._shimmedLocalStreams=this._shimmedLocalStreams||{},Object.keys(this._shimmedLocalStreams).map(function(e){return t._shimmedLocalStreams[e][0]})};var n=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,t){if(!t)return n.apply(this,arguments);this._shimmedLocalStreams=this._shimmedLocalStreams||{};var r=n.apply(this,arguments);return this._shimmedLocalStreams[t.id]?-1===this._shimmedLocalStreams[t.id].indexOf(r)&&this._shimmedLocalStreams[t.id].push(r):this._shimmedLocalStreams[t.id]=[t,r],r};var i=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){var r=this;this._shimmedLocalStreams=this._shimmedLocalStreams||{},e.getTracks().forEach(function(t){if(r.getSenders().find(function(e){return e.track===t}))throw new DOMException("Track already exists.","InvalidAccessError")});var t=this.getSenders();i.apply(this,arguments);var n=this.getSenders().filter(function(e){return-1===t.indexOf(e)});this._shimmedLocalStreams[e.id]=[e].concat(n)};var t=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},delete this._shimmedLocalStreams[e.id],t.apply(this,arguments)};var o=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(r){var n=this;return this._shimmedLocalStreams=this._shimmedLocalStreams||{},r&&Object.keys(this._shimmedLocalStreams).forEach(function(e){var t=n._shimmedLocalStreams[e].indexOf(r);-1!==t&&n._shimmedLocalStreams[e].splice(t,1),1===n._shimmedLocalStreams[e].length&&delete n._shimmedLocalStreams[e]}),o.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(o,e){if(o.navigator.mediaDevices&&"getDisplayMedia"in o.navigator.mediaDevices)return;if(!o.navigator.mediaDevices)return;if("function"!=typeof e)return void console.error("shimGetDisplayMedia: getSourceId argument is not a function");o.navigator.mediaDevices.getDisplayMedia=function(i){return e(i).then(function(e){var t=i.video&&i.video.width,r=i.video&&i.video.height,n=i.video&&i.video.frameRate;return i.video={mandatory:{chromeMediaSource:"desktop",chromeMediaSourceId:e,maxFrameRate:n||3}},t&&(i.video.mandatory.maxWidth=t),r&&(i.video.mandatory.maxHeight=r),o.navigator.mediaDevices.getUserMedia(i)})}}},{}],5:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0});var d="function"==typeof Symbol&&"symbol"==typeof 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0!==r[e]&&(o.mandatory=o.mandatory||{},o.mandatory[n(e,t)]=r[e])}))}),i.advanced&&(o.optional=(o.optional||[]).concat(i.advanced)),o}function n(r,n){if(61<=c.version)return n(r);var e;if((r=JSON.parse(JSON.stringify(r)))&&"object"===d(r.audio)&&((e=function(e,t,r){t in e&&!(r in e)&&(e[r]=e[t],delete e[t])})((r=JSON.parse(JSON.stringify(r))).audio,"autoGainControl","googAutoGainControl"),e(r.audio,"noiseSuppression","googNoiseSuppression"),r.audio=s(r.audio)),r&&"object"===d(r.video)){var i=(i=r.video.facingMode)&&("object"===(void 0===i?"undefined":d(i))?i:{ideal:i}),t=c.version<66;if(i&&("user"===i.exact||"environment"===i.exact||"user"===i.ideal||"environment"===i.ideal)&&(!a.mediaDevices.getSupportedConstraints||!a.mediaDevices.getSupportedConstraints().facingMode||t)){delete r.video.facingMode;var o=void 0;if("environment"===i.exact||"environment"===i.ideal?o=["back","rear"]:"user"!==i.exact&&"user"!==i.ideal||(o=["front"]),o)return a.mediaDevices.enumerateDevices().then(function(e){var t=(e=e.filter(function(e){return"videoinput"===e.kind})).find(function(t){return o.some(function(e){return t.label.toLowerCase().includes(e)})});return!t&&e.length&&o.includes("back")&&(t=e[e.length-1]),t&&(r.video.deviceId=i.exact?{exact:t.deviceId}:{ideal:t.deviceId}),r.video=s(r.video),p("chrome: "+JSON.stringify(r)),n(r)})}r.video=s(r.video)}return p("chrome: "+JSON.stringify(r)),n(r)}function i(e){return 64<=c.version?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}}}var c=o.detectBrowser(e);{var r;a.getUserMedia=function(e,t,r){n(e,function(e){a.webkitGetUserMedia(e,t,function(e){r&&r(i(e))})})}.bind(a),a.mediaDevices.getUserMedia&&(r=a.mediaDevices.getUserMedia.bind(a.mediaDevices),a.mediaDevices.getUserMedia=function(e){return n(e,function(t){return r(t).then(function(e){if(t.audio&&!e.getAudioTracks().length||t.video&&!e.getVideoTracks().length)throw 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t,r,n,i,o,a,s;return this._sctp=null,"chrome"===c.browser&&76<=c.version&&"plan-b"===this.getConfiguration().sdpSemantics&&Object.defineProperty(this,"sctp",{get:function(){return void 0===this._sctp?null:this._sctp},enumerable:!0,configurable:!0}),function(e){if(!e||!e.sdp)return!1;var t=p.default.splitSections(e.sdp);return t.shift(),t.some(function(e){var t=p.default.parseMLine(e);return t&&"application"===t.kind&&-1!==t.protocol.indexOf("SCTP")})}(e)&&(t=function(e){var t=e.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);if(null===t||t.length<2)return-1;var r=parseInt(t[1],10);return r!=r?-1:r}(e),a=t,s=65536,"firefox"===c.browser&&(s=c.version<57?-1===a?16384:2147483637:c.version<60?57===c.version?65535:65536:2147483637),r=s,n=function(e,t){var r=65536;"firefox"===c.browser&&57===c.version&&(r=65535);var n=p.default.matchPrefix(e.sdp,"a=max-message-size:");return 0<n.length?r=parseInt(n[0].substr(19),10):"firefox"===c.browser&&-1!==t&&(r=2147483637),r}(e,t),i=void 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r=e.RTCPeerConnection.prototype;Object.defineProperty(r,"connectionState",{get:function(){return{completed:"connected",checking:"connecting"}[this.iceConnectionState]||this.iceConnectionState},enumerable:!0,configurable:!0}),Object.defineProperty(r,"onconnectionstatechange",{get:function(){return this._onconnectionstatechange||null},set:function(e){this._onconnectionstatechange&&(this.removeEventListener("connectionstatechange",this._onconnectionstatechange),delete this._onconnectionstatechange),e&&this.addEventListener("connectionstatechange",this._onconnectionstatechange=e)},enumerable:!0,configurable:!0}),["setLocalDescription","setRemoteDescription"].forEach(function(e){var t=r[e];r[e]=function(){return this._connectionstatechangepoly||(this._connectionstatechangepoly=function(e){var t,r=e.target;return r._lastConnectionState!==r.connectionState&&(r._lastConnectionState=r.connectionState,t=new 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t=e.RTCPeerConnection.prototype.addTrack;t&&(e.RTCPeerConnection.prototype.addTrack=function(){var e=t.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"!==(void 0===e?"undefined":c(e))||!e.RTCPeerConnection||!e.RTCRtpSender)return;if(e.RTCRtpSender&&"getStats"in e.RTCRtpReceiver.prototype)return;var r=e.RTCPeerConnection.prototype.getReceivers;r&&(e.RTCPeerConnection.prototype.getReceivers=function(){var t=this,e=r.apply(this,[]);return e.forEach(function(e){return e._pc=t}),e});s.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){if(!e.RTCPeerConnection||"removeStream"in e.RTCPeerConnection.prototype)return;e.RTCPeerConnection.prototype.removeStream=function(t){var 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n&&("encodings"in(o=(i=a.sender).getParameters())||(o.encodings=r.sendEncodings,this.setParametersPromises.push(i.setParameters(o).catch(function(){})))),a})},r.shimCreateOffer=function(e){if("object"!==(void 0===e?"undefined":c(e))||!e.RTCPeerConnection)return;var r=e.RTCPeerConnection.prototype.createOffer;e.RTCPeerConnection.prototype.createOffer=function(){var e=this,t=arguments;return this.setParametersPromises&&this.setParametersPromises.length?Promise.all(this.setParametersPromises).then(function(){return r.apply(e,t)}).finally(function(){e.setParametersPromises=[]}):r.apply(this,arguments)}},r.shimCreateAnswer=function(e){if("object"!==(void 0===e?"undefined":c(e))||!e.RTCPeerConnection)return;var r=e.RTCPeerConnection.prototype.createAnswer;e.RTCPeerConnection.prototype.createAnswer=function(){var e=this,t=arguments;return this.setParametersPromises&&this.setParametersPromises.length?Promise.all(this.setParametersPromises).then(function(){return 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r,n=this._localStreams.indexOf(e);-1!==n&&(this._localStreams.splice(n,1),r=e.getTracks(),this.getSenders().forEach(function(e){r.includes(e.track)&&t.removeTrack(e)}))})},r.shimRemoteStreamsAPI=function(e){if("object"!==(void 0===e?"undefined":d(e))||!e.RTCPeerConnection)return;"getRemoteStreams"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.getRemoteStreams=function(){return this._remoteStreams?this._remoteStreams:[]});{var t;"onaddstream"in e.RTCPeerConnection.prototype||(Object.defineProperty(e.RTCPeerConnection.prototype,"onaddstream",{get:function(){return this._onaddstream},set:function(e){var r=this;this._onaddstream&&(this.removeEventListener("addstream",this._onaddstream),this.removeEventListener("track",this._onaddstreampoly)),this.addEventListener("addstream",this._onaddstream=e),this.addEventListener("track",this._onaddstreampoly=function(e){e.streams.forEach(function(e){var t;r._remoteStreams||(r._remoteStreams=[]),r._remoteStreams.includes(e)||(r._remoteStreams.push(e),(t=new Event("addstream")).stream=e,r.dispatchEvent(t))})})}}),t=e.RTCPeerConnection.prototype.setRemoteDescription,e.RTCPeerConnection.prototype.setRemoteDescription=function(){var r=this;return this._onaddstreampoly||this.addEventListener("track",this._onaddstreampoly=function(e){e.streams.forEach(function(e){var t;r._remoteStreams||(r._remoteStreams=[]),0<=r._remoteStreams.indexOf(e)||(r._remoteStreams.push(e),(t=new Event("addstream")).stream=e,r.dispatchEvent(t))})}),t.apply(r,arguments)})}},r.shimCallbacksAPI=function(e){if("object"!==(void 0===e?"undefined":d(e))||!e.RTCPeerConnection)return;var t=e.RTCPeerConnection.prototype,o=t.createOffer,a=t.createAnswer,i=t.setLocalDescription,s=t.setRemoteDescription,c=t.addIceCandidate;t.createOffer=function(e,t,r){var n=2<=arguments.length?r:e,i=o.apply(this,[n]);return t?(i.then(e,t),Promise.resolve()):i},t.createAnswer=function(e,t,r){var 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0!==e.offerToReceiveAudio&&(e.offerToReceiveAudio=!!e.offerToReceiveAudio),t=this.getTransceivers().find(function(e){return"audio"===e.receiver.track.kind}),!1===e.offerToReceiveAudio&&t?"sendrecv"===t.direction?t.setDirection?t.setDirection("sendonly"):t.direction="sendonly":"recvonly"===t.direction&&(t.setDirection?t.setDirection("inactive"):t.direction="inactive"):!0!==e.offerToReceiveAudio||t||this.addTransceiver("audio"),void 0!==e.offerToReceiveVideo&&(e.offerToReceiveVideo=!!e.offerToReceiveVideo),r=this.getTransceivers().find(function(e){return"video"===e.receiver.track.kind}),!1===e.offerToReceiveVideo&&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.offerToReceiveVideo||r||this.addTransceiver("video")),n.apply(this,arguments)}};var a=function(e){{if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in 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i=r[n],o=p.matchPrefix(e,"a=rtpmap:"+i+" ")[0];if(o){var a=p.parseRtpMap(o),s=p.matchPrefix(e,"a=fmtp:"+i+" ");switch(a.parameters=s.length?p.parseFmtp(s[0]):{},a.rtcpFeedback=p.matchPrefix(e,"a=rtcp-fb:"+i+" ").map(p.parseRtcpFb),t.codecs.push(a),a.name.toUpperCase()){case"RED":case"ULPFEC":t.fecMechanisms.push(a.name.toUpperCase())}}}return p.matchPrefix(e,"a=extmap:").forEach(function(e){t.headerExtensions.push(p.parseExtmap(e))}),t},p.writeRtpDescription=function(e,t){var r="";r+="m="+e+" ",r+=0<t.codecs.length?"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+=p.writeRtpMap(e),r+=p.writeFmtp(e),r+=p.writeRtcpFb(e)});var n=0;return t.codecs.forEach(function(e){e.maxptime>n&&(n=e.maxptime)}),0<n&&(r+="a=maxptime:"+n+"\r\n"),r+="a=rtcp-mux\r\n",t.headerExtensions&&t.headerExtensions.forEach(function(e){r+=p.writeExtmap(e)}),r},p.parseRtpEncodingParameters=function(e){var r,n=[],t=p.parseRtpParameters(e),i=-1!==t.fecMechanisms.indexOf("RED"),o=-1!==t.fecMechanisms.indexOf("ULPFEC"),a=p.matchPrefix(e,"a=ssrc:").map(function(e){return p.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute}),s=0<a.length&&a[0].ssrc,c=p.matchPrefix(e,"a=ssrc-group:FID").map(function(e){return e.substr(17).split(" ").map(function(e){return parseInt(e,10)})});0<c.length&&1<c[0].length&&c[0][0]===s&&(r=c[0][1]),t.codecs.forEach(function(e){var t;"RTX"===e.name.toUpperCase()&&e.parameters.apt&&(t={ssrc:s,codecPayloadType:parseInt(e.parameters.apt,10)},s&&r&&(t.rtx={ssrc:r}),n.push(t),i&&((t=JSON.parse(JSON.stringify(t))).fec={ssrc:s,mechanism:o?"red+ulpfec":"red"},n.push(t)))}),0===n.length&&s&&n.push({ssrc:s});var d=p.matchPrefix(e,"b=");return d.length&&(d=0===d[0].indexOf("b=TIAS:")?parseInt(d[0].substr(7),10):0===d[0].indexOf("b=AS:")?1e3*parseInt(d[0].substr(5),10)*.95-16e3:void 0,n.forEach(function(e){e.maxBitrate=d})),n},p.parseRtcpParameters=function(e){var t={},r=p.matchPrefix(e,"a=ssrc:").map(function(e){return p.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute})[0];r&&(t.cname=r.value,t.ssrc=r.ssrc);var n=p.matchPrefix(e,"a=rtcp-rsize");t.reducedSize=0<n.length,t.compound=0===n.length;var i=p.matchPrefix(e,"a=rtcp-mux");return t.mux=0<i.length,t},p.parseMsid=function(e){var t,r=p.matchPrefix(e,"a=msid:");if(1===r.length)return{stream:(t=r[0].substr(7).split(" "))[0],track:t[1]};var n=p.matchPrefix(e,"a=ssrc:").map(function(e){return p.parseSsrcMedia(e)}).filter(function(e){return"msid"===e.attribute});return 0<n.length?{stream:(t=n[0].value.split(" "))[0],track:t[1]}:void 0},p.parseSctpDescription=function(e){var t,r=p.parseMLine(e),n=p.matchPrefix(e,"a=max-message-size:");0<n.length&&(t=parseInt(n[0].substr(19),10)),isNaN(t)&&(t=65536);var i=p.matchPrefix(e,"a=sctp-port:");if(0<i.length)return{port:parseInt(i[0].substr(12),10),protocol:r.fmt,maxMessageSize:t};if(0<p.matchPrefix(e,"a=sctpmap:").length){var o=p.matchPrefix(e,"a=sctpmap:")[0].substr(10).split(" ");return{port:parseInt(o[0],10),protocol:o[1],maxMessageSize:t}}},p.writeSctpDescription=function(e,t){var r=[],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"];return void 0!==t.maxMessageSize&&r.push("a=max-message-size:"+t.maxMessageSize+"\r\n"),r.join("")},p.generateSessionId=function(){return Math.random().toString().substr(2,21)},p.writeSessionBoilerplate=function(e,t,r){var n=void 0!==t?t:2,i=e||p.generateSessionId();return"v=0\r\no="+(r||"thisisadapterortc")+" "+i+" "+n+" IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\n"},p.writeMediaSection=function(e,t,r,n){var i,o=p.writeRtpDescription(e.kind,t);return o+=p.writeIceParameters(e.iceGatherer.getLocalParameters()),o+=p.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&&(o+="a="+(i="msid:"+n.id+" "+e.rtpSender.track.id+"\r\n"),o+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" "+i,e.sendEncodingParameters[0].rtx&&(o+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" "+i,o+="a=ssrc-group:FID "+e.sendEncodingParameters[0].ssrc+" "+e.sendEncodingParameters[0].rtx.ssrc+"\r\n")),o+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" 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