diff --git a/package-lock.json b/package-lock.json
index 400f0d7..35988a8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,6 +7,7 @@
"": {
"name": "food",
"version": "1.1.0",
+ "license": "ISC",
"dependencies": {
"core-js": "^3.6.5",
"vue": "^2.6.11",
diff --git a/package.json b/package.json
index 5b1cd9e..07837c6 100644
--- a/package.json
+++ b/package.json
@@ -40,5 +40,9 @@
"sass-loader": "^8.0.2",
"vue-router": "^3.6.5",
"vue-template-compiler": "^2.6.11"
- }
+ },
+ "description": "```\r npm install\r ```",
+ "main": ".eslintrc.js",
+ "author": "",
+ "license": "ISC"
}
diff --git a/public/index.html b/public/index.html
index b348d5f..ea58977 100644
--- a/public/index.html
+++ b/public/index.html
@@ -8,6 +8,13 @@
+
+
+
+
+
+
+
<%= htmlWebpackPlugin.options.title %>
diff --git a/public/js/srs/adapter-7.4.0.min.js b/public/js/srs/adapter-7.4.0.min.js
new file mode 100644
index 0000000..7e76156
--- /dev/null
+++ b/public/js/srs/adapter-7.4.0.min.js
@@ -0,0 +1 @@
+!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).adapter=e()}}((function(){return function e(t,r,n){function i(o,s){if(!r[o]){if(!t[o]){var c="function"==typeof require&&require;if(!s&&c)return c(o,!0);if(a)return a(o,!0);var d=new Error("Cannot find module '"+o+"'");throw d.code="MODULE_NOT_FOUND",d}var p=r[o]={exports:{}};t[o][0].call(p.exports,(function(e){return i(t[o][1][e]||e)}),p,p.exports,e,t,r,n)}return r[o].exports}for(var a="function"==typeof require&&require,o=0;o0&&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},d=n.log,p=n.detectBrowser(t),u={browserDetails:p,commonShim:c,extractVersion:n.extractVersion,disableLog:n.disableLog,disableWarnings:n.disableWarnings};switch(p.browser){case"chrome":if(!i||!i.shimPeerConnection||!r.shimChrome)return d("Chrome shim is not included in this adapter release."),u;d("adapter.js shimming chrome."),u.browserShim=i,i.shimGetUserMedia(t),i.shimMediaStream(t),i.shimPeerConnection(t),i.shimOnTrack(t),i.shimAddTrackRemoveTrack(t),i.shimGetSendersWithDtmf(t),i.shimGetStats(t),i.shimSenderReceiverGetStats(t),i.fixNegotiationNeeded(t),c.shimRTCIceCandidate(t),c.shimConnectionState(t),c.shimMaxMessageSize(t),c.shimSendThrowTypeError(t),c.removeAllowExtmapMixed(t);break;case"firefox":if(!o||!o.shimPeerConnection||!r.shimFirefox)return d("Firefox shim is not included in this adapter release."),u;d("adapter.js shimming firefox."),u.browserShim=o,o.shimGetUserMedia(t),o.shimPeerConnection(t),o.shimOnTrack(t),o.shimRemoveStream(t),o.shimSenderGetStats(t),o.shimReceiverGetStats(t),o.shimRTCDataChannel(t),o.shimAddTransceiver(t),o.shimCreateOffer(t),o.shimCreateAnswer(t),c.shimRTCIceCandidate(t),c.shimConnectionState(t),c.shimMaxMessageSize(t),c.shimSendThrowTypeError(t);break;case"edge":if(!a||!a.shimPeerConnection||!r.shimEdge)return d("MS edge shim is not included in this adapter release."),u;d("adapter.js shimming edge."),u.browserShim=a,a.shimGetUserMedia(t),a.shimGetDisplayMedia(t),a.shimPeerConnection(t),a.shimReplaceTrack(t),c.shimMaxMessageSize(t),c.shimSendThrowTypeError(t);break;case"safari":if(!s||!r.shimSafari)return d("Safari shim is not included in this adapter release."),u;d("adapter.js shimming safari."),u.browserShim=s,s.shimRTCIceServerUrls(t),s.shimCreateOfferLegacy(t),s.shimCallbacksAPI(t),s.shimLocalStreamsAPI(t),s.shimRemoteStreamsAPI(t),s.shimTrackEventTransceiver(t),s.shimGetUserMedia(t),c.shimRTCIceCandidate(t),c.shimMaxMessageSize(t),c.shimSendThrowTypeError(t),c.removeAllowExtmapMixed(t);break;default:d("Unsupported browser!")}return u};var n=d(e("./utils")),i=d(e("./chrome/chrome_shim")),a=d(e("./edge/edge_shim")),o=d(e("./firefox/firefox_shim")),s=d(e("./safari/safari_shim")),c=d(e("./common_shim"));function d(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":7,"./firefox/firefox_shim":11,"./safari/safari_shim":14,"./utils":15}],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 a=e("./getdisplaymedia");Object.defineProperty(r,"shimGetDisplayMedia",{enumerable:!0,get:function(){return a.shimGetDisplayMedia}}),r.shimMediaStream=function(e){e.MediaStream=e.MediaStream||e.webkitMediaStream},r.shimOnTrack=function(e){if("object"!==(void 0===e?"undefined":n(e))||!e.RTCPeerConnection||"ontrack"in e.RTCPeerConnection.prototype)o.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 a=new Event("track");a.track=n.track,a.receiver=i,a.transceiver={receiver:i},a.streams=[t.stream],r.dispatchEvent(a)})),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 a=new Event("track");a.track=n,a.receiver=i,a.transceiver={receiver:i},a.streams=[t.stream],r.dispatchEvent(a)}))},this.addEventListener("addstream",this._ontrackpoly)),t.apply(this,arguments)}}},r.shimGetSendersWithDtmf=function(e){if("object"===(void 0===e?"undefined":n(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 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 a=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){var r=this;this._senders=this._senders||[],a.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"===(void 0===e?"undefined":n(e))&&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)return;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],a=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 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},s=function(e){return new Map(Object.keys(e).map((function(t){return[t,e[t]]})))};if(arguments.length>=2){var c=function(e){i(s(o(e)))};return t.apply(this,[c,n])}return new Promise((function(r,n){t.apply(e,[function(e){r(s(o(e)))},n])})).then(i,a)}},r.shimSenderReceiverGetStats=function(e){if(!("object"===(void 0===e?"undefined":n(e))&&e.RTCPeerConnection&&e.RTCRtpSender&&e.RTCRtpReceiver))return;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 o.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}),o.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 o.filterStats(t,e.track,!1)}))}}if(!("getStats"in e.RTCRtpSender.prototype&&"getStats"in e.RTCRtpReceiver.prototype))return;var a=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 a.apply(this,arguments)}},r.shimAddTrackRemoveTrackWithNative=c,r.shimAddTrackRemoveTrack=function(e){if(!e.RTCPeerConnection)return;var t=o.detectBrowser(e);if(e.RTCPeerConnection.prototype.addTrack&&t.version>=65)return c(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;function a(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})}function d(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(n.id,"g"),i.id)})),new RTCSessionDescription({type:t.type,sdp:r})}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");var a=this.getSenders().find((function(e){return e.track===t}));if(a)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 s=new e.MediaStream([t]);this._streams[r.id]=s,this._reverseStreams[s.id]=r,this.addStream(s)}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=a(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 a(e,t)}))}));e.RTCPeerConnection.prototype[t]=n[t]}));var p=e.RTCPeerConnection.prototype.setLocalDescription;e.RTCPeerConnection.prototype.setLocalDescription=function(){return arguments.length&&arguments[0].type?(arguments[0]=d(this,arguments[0]),p.apply(this,arguments)):p.apply(this,arguments)};var u=Object.getOwnPropertyDescriptor(e.RTCPeerConnection.prototype,"localDescription");Object.defineProperty(e.RTCPeerConnection.prototype,"localDescription",{get:function(){var e=u.get.apply(this);return""===e.type?e:a(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")))}},r.shimPeerConnection=function(e){var t=o.detectBrowser(e);!e.RTCPeerConnection&&e.webkitRTCPeerConnection&&(e.RTCPeerConnection=e.webkitRTCPeerConnection);if(!e.RTCPeerConnection)return;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]}));var r=e.RTCPeerConnection.prototype.addIceCandidate;e.RTCPeerConnection.prototype.addIceCandidate=function(){return arguments[0]?t.version<78&&arguments[0]&&""===arguments[0].candidate?Promise.resolve():r.apply(this,arguments):(arguments[1]&&arguments[1].apply(null),Promise.resolve())}},r.fixNegotiationNeeded=function(e){o.wrapPeerConnectionEvent(e,"negotiationneeded",(function(e){if("stable"===e.target.signalingState)return e}))};var o=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 c(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":15,"./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)return;if(!e.navigator.mediaDevices)return;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,a=r.video&&r.video.frameRate;return r.video={mandatory:{chromeMediaSource:"desktop",chromeMediaSourceId:t,maxFrameRate:a||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){var t=e&&e.navigator;if(!t.mediaDevices)return;var r=i.detectBrowser(e),o=function(e){if("object"!==(void 0===e?"undefined":n(e))||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 a=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 o={};"number"==typeof i.ideal?(o[a("min",r)]=i.ideal,t.optional.push(o),(o={})[a("max",r)]=i.ideal,t.optional.push(o)):(o[a("",r)]=i.ideal,t.optional.push(o))}void 0!==i.exact&&"number"!=typeof i.exact?(t.mandatory=t.mandatory||{},t.mandatory[a("",r)]=i.exact):["min","max"].forEach((function(e){void 0!==i[e]&&(t.mandatory=t.mandatory||{},t.mandatory[a(e,r)]=i[e])}))}})),e.advanced&&(t.optional=(t.optional||[]).concat(e.advanced)),t},s=function(e,i){if(r.version>=61)return i(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 c=e.video.facingMode;c=c&&("object"===(void 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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"!==(void 0===e?"undefined":n(e))||!e.RTCPeerConnection||!e.RTCRtpSender)return;if(e.RTCRtpSender&&"getStats"in e.RTCRtpReceiver.prototype)return;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});o.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(e){var 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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){var t=i.detectBrowser(e),r=e&&e.navigator,a=e&&e.MediaStreamTrack;if(r.getUserMedia=function(e,t,n){i.deprecated("navigator.getUserMedia","navigator.mediaDevices.getUserMedia"),r.mediaDevices.getUserMedia(e).then(t,n)},!(t.version>55&&"autoGainControl"in r.mediaDevices.getSupportedConstraints())){var o=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"===(void 0===e?"undefined":n(e))&&"object"===n(e.audio)&&(e=JSON.parse(JSON.stringify(e)),o(e.audio,"autoGainControl","mozAutoGainControl"),o(e.audio,"noiseSuppression","mozNoiseSuppression")),s(e)},a&&a.prototype.getSettings){var c=a.prototype.getSettings;a.prototype.getSettings=function(){var e=c.apply(this,arguments);return o(e,"mozAutoGainControl","autoGainControl"),o(e,"mozNoiseSuppression","noiseSuppression"),e}}if(a&&a.prototype.applyConstraints){var d=a.prototype.applyConstraints;a.prototype.applyConstraints=function(e){return"audio"===this.kind&&"object"===(void 0===e?"undefined":n(e))&&(e=JSON.parse(JSON.stringify(e)),o(e,"autoGainControl","mozAutoGainControl"),o(e,"noiseSuppression","mozNoiseSuppression")),d.apply(this,[e])}}}};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"))},{"../utils":15}],14:[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.shimLocalStreamsAPI=function(e){if("object"!==(void 0===e?"undefined":n(e))||!e.RTCPeerConnection)return;"getLocalStreams"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.getLocalStreams=function(){return this._localStreams||(this._localStreams=[]),this._localStreams});if(!("addStream"in e.RTCPeerConnection.prototype)){var t=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addStream=function(e){var r=this;this._localStreams||(this._localStreams=[]),this._localStreams.includes(e)||this._localStreams.push(e),e.getAudioTracks().forEach((function(n){return t.call(r,n,e)})),e.getVideoTracks().forEach((function(n){return t.call(r,n,e)}))},e.RTCPeerConnection.prototype.addTrack=function(e){var r=arguments[1];return r&&(this._localStreams?this._localStreams.includes(r)||this._localStreams.push(r):this._localStreams=[r]),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("object"!==(void 0===e?"undefined":n(e))||!e.RTCPeerConnection)return;"getRemoteStreams"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.getRemoteStreams=function(){return this._remoteStreams?this._remoteStreams:[]});if(!("onaddstream"in e.RTCPeerConnection.prototype)){Object.defineProperty(e.RTCPeerConnection.prototype,"onaddstream",{get:function(){return this._onaddstream},set:function(e){var t=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){if(t._remoteStreams||(t._remoteStreams=[]),!t._remoteStreams.includes(e)){t._remoteStreams.push(e);var r=new Event("addstream");r.stream=e,t.dispatchEvent(r)}}))})}});var t=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){var e=this;return this._onaddstreampoly||this.addEventListener("track",this._onaddstreampoly=function(t){t.streams.forEach((function(t){if(e._remoteStreams||(e._remoteStreams=[]),!(e._remoteStreams.indexOf(t)>=0)){e._remoteStreams.push(t);var r=new Event("addstream");r.stream=t,e.dispatchEvent(r)}}))}),t.apply(e,arguments)}}},r.shimCallbacksAPI=function(e){if("object"!==(void 0===e?"undefined":n(e))||!e.RTCPeerConnection)return;var t=e.RTCPeerConnection.prototype,r=t.createOffer,i=t.createAnswer,a=t.setLocalDescription,o=t.setRemoteDescription,s=t.addIceCandidate;t.createOffer=function(e,t){var n=arguments.length>=2?arguments[2]:arguments[0],i=r.apply(this,[n]);return t?(i.then(e,t),Promise.resolve()):i},t.createAnswer=function(e,t){var r=arguments.length>=2?arguments[2]:arguments[0],n=i.apply(this,[r]);return t?(n.then(e,t),Promise.resolve()):n};var c=function(e,t,r){var n=a.apply(this,[e]);return r?(n.then(t,r),Promise.resolve()):n};t.setLocalDescription=c,c=function(e,t,r){var n=o.apply(this,[e]);return r?(n.then(t,r),Promise.resolve()):n},t.setRemoteDescription=c,c=function(e,t,r){var n=s.apply(this,[e]);return r?(n.then(t,r),Promise.resolve()):n},t.addIceCandidate=c},r.shimGetUserMedia=function(e){var t=e&&e.navigator;if(t.mediaDevices&&t.mediaDevices.getUserMedia){var r=t.mediaDevices,n=r.getUserMedia.bind(r);t.mediaDevices.getUserMedia=function(e){return n(a(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=a,r.shimRTCIceServerUrls=function(e){var t=e.RTCPeerConnection;e.RTCPeerConnection=function(e,r){if(e&&e.iceServers){for(var n=[],a=0;a=r&&parseInt(n[r],10)}function s(e){return"[object Object]"===Object.prototype.toString.call(e)}function c(e,t,r){t&&!r.has(t.id)&&(r.set(t.id,t),Object.keys(t).forEach((function(n){n.endsWith("Id")?c(e,e.get(t[n]),r):n.endsWith("Ids")&&t[n].forEach((function(t){c(e,e.get(t),r)}))})))}},{}],16:[function(e,t,r){"use strict";var n=e("sdp");function i(e,t,r,i,a){var o=n.writeRtpDescription(e.kind,t);if(o+=n.writeIceParameters(e.iceGatherer.getLocalParameters()),o+=n.writeDtlsParameters(e.dtlsTransport.getLocalParameters(),"offer"===r?"actpass":a||"active"),o+="a=mid:"+e.mid+"\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 s=e.rtpSender._initialTrackId||e.rtpSender.track.id;e.rtpSender._initialTrackId=s;var c="msid:"+(i?i.id:"-")+" "+s+"\r\n";o+="a="+c,o+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" "+c,e.sendEncodingParameters[0].rtx&&(o+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" "+c,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}function a(e,t){var r={codecs:[],headerExtensions:[],fecMechanisms:[]},n=function(e,t){e=parseInt(e,10);for(var r=0;r=14393&&-1===e.indexOf("?transport=udp")})),delete e.url,e.urls=i?n[0]:n,!!n.length}}))}(r.iceServers||[],t),this._iceGatherers=[],r.iceCandidatePoolSize)for(var o=r.iceCandidatePoolSize;o>0;o--)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(p.prototype,"localDescription",{configurable:!0,get:function(){return this._localDescription}}),Object.defineProperty(p.prototype,"remoteDescription",{configurable:!0,get:function(){return this._remoteDescription}}),p.prototype.onicecandidate=null,p.prototype.onaddstream=null,p.prototype.ontrack=null,p.prototype.onremovestream=null,p.prototype.onsignalingstatechange=null,p.prototype.oniceconnectionstatechange=null,p.prototype.onconnectionstatechange=null,p.prototype.onicegatheringstatechange=null,p.prototype.onnegotiationneeded=null,p.prototype.ondatachannel=null,p.prototype._dispatchEvent=function(e,t){this._isClosed||(this.dispatchEvent(t),"function"==typeof this["on"+e]&&this["on"+e](t))},p.prototype._emitGatheringStateChange=function(){var e=new Event("icegatheringstatechange");this._dispatchEvent("icegatheringstatechange",e)},p.prototype.getConfiguration=function(){return this._config},p.prototype.getLocalStreams=function(){return this.localStreams},p.prototype.getRemoteStreams=function(){return this.remoteStreams},p.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},p.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)}))}},p.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()},p.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)}))},p.prototype.getSenders=function(){return this.transceivers.filter((function(e){return!!e.rtpSender})).map((function(e){return e.rtpSender}))},p.prototype.getReceivers=function(){return this.transceivers.filter((function(e){return!!e.rtpReceiver})).map((function(e){return e.rtpReceiver}))},p.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},p.prototype._gather=function(t,r){var i=this,a=this.transceivers[r].iceGatherer;if(!a.onlocalcandidate){var o=this.transceivers[r].bufferedCandidateEvents;this.transceivers[r].bufferedCandidateEvents=null,a.removeEventListener("localcandidate",this.transceivers[r].bufferCandidates),a.onlocalcandidate=function(e){if(!(i.usingBundle&&r>0)){var o=new Event("icecandidate");o.candidate={sdpMid:t,sdpMLineIndex:r};var s=e.candidate,c=!s||0===Object.keys(s).length;if(c)"new"!==a.state&&"gathering"!==a.state||(a.state="completed");else{"new"===a.state&&(a.state="gathering"),s.component=1,s.ufrag=a.getLocalParameters().usernameFragment;var d=n.writeCandidate(s);o.candidate=Object.assign(o.candidate,n.parseCandidate(d)),o.candidate.candidate=d,o.candidate.toJSON=function(){return{candidate:o.candidate.candidate,sdpMid:o.candidate.sdpMid,sdpMLineIndex:o.candidate.sdpMLineIndex,usernameFragment:o.candidate.usernameFragment}}}var p=n.getMediaSections(i._localDescription.sdp);p[o.candidate.sdpMLineIndex]+=c?"a=end-of-candidates\r\n":"a="+o.candidate.candidate+"\r\n",i._localDescription.sdp=n.getDescription(i._localDescription.sdp)+p.join("");var u=i.transceivers.every((function(e){return e.iceGatherer&&"completed"===e.iceGatherer.state}));"gathering"!==i.iceGatheringState&&(i.iceGatheringState="gathering",i._emitGatheringStateChange()),c||i._dispatchEvent("icecandidate",o),u&&(i._dispatchEvent("icecandidate",new Event("icecandidate")),i.iceGatheringState="complete",i._emitGatheringStateChange())}},e.setTimeout((function(){o.forEach((function(e){a.onlocalcandidate(e)}))}),0)}},p.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}},p.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)},p.prototype._transceive=function(e,r,i){var o=a(e.localCapabilities,e.remoteCapabilities);r&&e.rtpSender&&(o.encodings=e.sendEncodingParameters,o.rtcp={cname:n.localCName,compound:e.rtcpParameters.compound},e.recvEncodingParameters.length&&(o.rtcp.ssrc=e.recvEncodingParameters[0].ssrc),e.rtpSender.send(o)),i&&e.rtpReceiver&&o.codecs.length>0&&("video"===e.kind&&e.recvEncodingParameters&&t<15019&&e.recvEncodingParameters.forEach((function(e){delete e.rtx})),e.recvEncodingParameters.length?o.encodings=e.recvEncodingParameters:o.encodings=[{}],o.rtcp={compound:e.rtcpParameters.compound},e.rtcpParameters.cname&&(o.rtcp.cname=e.rtcpParameters.cname),e.sendEncodingParameters.length&&(o.rtcp.ssrc=e.sendEncodingParameters[0].ssrc),e.rtpReceiver.receive(o))},p.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(!o("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 o=i.transceivers[t],c=o.iceGatherer,d=o.iceTransport,p=o.dtlsTransport,u=o.localCapabilities,f=o.remoteCapabilities;if(!(n.isRejected(e)&&0===n.matchPrefix(e,"a=bundle-only").length)&&!o.rejected){var l=n.getIceParameters(e,r),m=n.getDtlsParameters(e,r);s&&(m.role="server"),i.usingBundle&&0!==t||(i._gather(o.mid,t),"new"===d.state&&d.start(c,l,s?"controlling":"controlled"),"new"===p.state&&p.start(m));var h=a(u,f);i._transceive(o,h.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()},p.prototype.setRemoteDescription=function(i){var p=this;if(-1===["offer","answer"].indexOf(i.type))return Promise.reject(c("TypeError",'Unsupported type "'+i.type+'"'));if(!o("setRemoteDescription",i.type,p.signalingState)||p._isClosed)return Promise.reject(c("InvalidStateError","Can not set remote "+i.type+" in state "+p.signalingState));var u={};p.remoteStreams.forEach((function(e){u[e.id]=e}));var f=[],l=n.splitSections(i.sdp),m=l.shift(),h=n.matchPrefix(m,"a=ice-lite").length>0,v=n.matchPrefix(m,"a=group:BUNDLE ").length>0;p.usingBundle=v;var y=n.matchPrefix(m,"a=ice-options:")[0];return p.canTrickleIceCandidates=!!y&&y.substr(14).split(" ").indexOf("trickle")>=0,l.forEach((function(o,c){var d=n.splitLines(o),l=n.getKind(o),y=n.isRejected(o)&&0===n.matchPrefix(o,"a=bundle-only").length,g=d[0].substr(2).split(" ")[2],C=n.getDirection(o,m),S=n.parseMsid(o),T=n.getMid(o)||n.generateIdentifier();if(y||"application"===l&&("DTLS/SCTP"===g||"UDP/DTLS/SCTP"===g))p.transceivers[c]={mid:T,kind:l,protocol:g,rejected:!0};else{var P,R,b,E,_,w,k,x,M;!y&&p.transceivers[c]&&p.transceivers[c].rejected&&(p.transceivers[c]=p._createTransceiver(l,!0));var D,O,I=n.parseRtpParameters(o);y||(D=n.getIceParameters(o,m),(O=n.getDtlsParameters(o,m)).role="client"),k=n.parseRtpEncodingParameters(o);var j=n.parseRtcpParameters(o),L=n.matchPrefix(o,"a=end-of-candidates",m).length>0,G=n.matchPrefix(o,"a=candidate:").map((function(e){return n.parseCandidate(e)})).filter((function(e){return 1===e.component}));if(("offer"===i.type||"answer"===i.type)&&!y&&v&&c>0&&p.transceivers[c]&&(p._disposeIceAndDtlsTransports(c),p.transceivers[c].iceGatherer=p.transceivers[0].iceGatherer,p.transceivers[c].iceTransport=p.transceivers[0].iceTransport,p.transceivers[c].dtlsTransport=p.transceivers[0].dtlsTransport,p.transceivers[c].rtpSender&&p.transceivers[c].rtpSender.setTransport(p.transceivers[0].dtlsTransport),p.transceivers[c].rtpReceiver&&p.transceivers[c].rtpReceiver.setTransport(p.transceivers[0].dtlsTransport)),"offer"!==i.type||y){if("answer"===i.type&&!y){R=(P=p.transceivers[c]).iceGatherer,b=P.iceTransport,E=P.dtlsTransport,_=P.rtpReceiver,w=P.sendEncodingParameters,x=P.localCapabilities,p.transceivers[c].recvEncodingParameters=k,p.transceivers[c].remoteCapabilities=I,p.transceivers[c].rtcpParameters=j,G.length&&"new"===b.state&&(!h&&!L||v&&0!==c?G.forEach((function(e){s(P.iceTransport,e)})):b.setRemoteCandidates(G)),v&&0!==c||("new"===b.state&&b.start(R,D,"controlling"),"new"===E.state&&E.start(O)),!a(P.localCapabilities,P.remoteCapabilities).codecs.filter((function(e){return"rtx"===e.name.toLowerCase()})).length&&P.sendEncodingParameters[0].rtx&&delete P.sendEncodingParameters[0].rtx,p._transceive(P,"sendrecv"===C||"recvonly"===C,"sendrecv"===C||"sendonly"===C),!_||"sendrecv"!==C&&"sendonly"!==C?delete P.rtpReceiver:(M=_.track,S?(u[S.stream]||(u[S.stream]=new e.MediaStream),r(M,u[S.stream]),f.push([M,_,u[S.stream]])):(u.default||(u.default=new e.MediaStream),r(M,u.default),f.push([M,_,u.default])))}}else{(P=p.transceivers[c]||p._createTransceiver(l)).mid=T,P.iceGatherer||(P.iceGatherer=p._createIceGatherer(c,v)),G.length&&"new"===P.iceTransport.state&&(!L||v&&0!==c?G.forEach((function(e){s(P.iceTransport,e)})):P.iceTransport.setRemoteCandidates(G)),x=e.RTCRtpReceiver.getCapabilities(l),t<15019&&(x.codecs=x.codecs.filter((function(e){return"rtx"!==e.name}))),w=P.sendEncodingParameters||[{ssrc:1001*(2*c+2)}];var A,N=!1;if("sendrecv"===C||"sendonly"===C){if(N=!P.rtpReceiver,_=P.rtpReceiver||new e.RTCRtpReceiver(P.dtlsTransport,l),N)M=_.track,S&&"-"===S.stream||(S?(u[S.stream]||(u[S.stream]=new e.MediaStream,Object.defineProperty(u[S.stream],"id",{get:function(){return S.stream}})),Object.defineProperty(M,"id",{get:function(){return S.track}}),A=u[S.stream]):(u.default||(u.default=new e.MediaStream),A=u.default)),A&&(r(M,A),P.associatedRemoteMediaStreams.push(A)),f.push([M,_,A])}else P.rtpReceiver&&P.rtpReceiver.track&&(P.associatedRemoteMediaStreams.forEach((function(t){var r=t.getTracks().find((function(e){return e.id===P.rtpReceiver.track.id}));r&&function(t,r){r.removeTrack(t),r.dispatchEvent(new e.MediaStreamTrackEvent("removetrack",{track:t}))}(r,t)})),P.associatedRemoteMediaStreams=[]);P.localCapabilities=x,P.remoteCapabilities=I,P.rtpReceiver=_,P.rtcpParameters=j,P.sendEncodingParameters=w,P.recvEncodingParameters=k,p._transceive(p.transceivers[c],!1,N)}}})),void 0===p._dtlsRole&&(p._dtlsRole="offer"===i.type?"active":"passive"),p._remoteDescription={type:i.type,sdp:i.sdp},"offer"===i.type?p._updateSignalingState("have-remote-offer"):p._updateSignalingState("stable"),Object.keys(u).forEach((function(t){var r=u[t];if(r.getTracks().length){if(-1===p.remoteStreams.indexOf(r)){p.remoteStreams.push(r);var n=new Event("addstream");n.stream=r,e.setTimeout((function(){p._dispatchEvent("addstream",n)}))}f.forEach((function(e){var t=e[0],n=e[1];r.id===e[2].id&&d(p,t,n,[r])}))}})),f.forEach((function(e){e[2]||d(p,e[0],e[1],[])})),e.setTimeout((function(){p&&p.transceivers&&p.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()},p.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")},p.prototype._updateSignalingState=function(e){this.signalingState=e;var t=new Event("signalingstatechange");this._dispatchEvent("signalingstatechange",t)},p.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))},p.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)}},p.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)}},p.prototype.createOffer=function(){var r=this;if(r._isClosed)return Promise.reject(c("InvalidStateError","Can not call createOffer after close"));var a=r.transceivers.filter((function(e){return"audio"===e.kind})).length,o=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&&(a=!0===s.offerToReceiveAudio?1:!1===s.offerToReceiveAudio?0:s.offerToReceiveAudio),void 0!==s.offerToReceiveVideo&&(o=!0===s.offerToReceiveVideo?1:!1===s.offerToReceiveVideo?0:s.offerToReceiveVideo)}for(r.transceivers.forEach((function(e){"audio"===e.kind?--a<0&&(e.wantReceive=!1):"video"===e.kind&&--o<0&&(e.wantReceive=!1)}));a>0||o>0;)a>0&&(r._createTransceiver("audio"),a--),o>0&&(r._createTransceiver("video"),o--);var d=n.writeSessionBoilerplate(r._sdpSessionId,r._sdpSessionVersion++);r.transceivers.forEach((function(i,a){var o=i.track,s=i.kind,c=i.mid||n.generateIdentifier();i.mid=c,i.iceGatherer||(i.iceGatherer=r._createIceGatherer(a,r.usingBundle));var d=e.RTCRtpSender.getCapabilities(s);t<15019&&(d.codecs=d.codecs.filter((function(e){return"rtx"!==e.name}))),d.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)}))})),d.headerExtensions.forEach((function(e){(i.remoteCapabilities&&i.remoteCapabilities.headerExtensions||[]).forEach((function(t){e.uri===t.uri&&(e.id=t.id)}))}));var p=i.sendEncodingParameters||[{ssrc:1001*(2*a+1)}];o&&t>=15019&&"video"===s&&!p[0].rtx&&(p[0].rtx={ssrc:p[0].ssrc+1}),i.wantReceive&&(i.rtpReceiver=new e.RTCRtpReceiver(i.dtlsTransport,s)),i.localCapabilities=d,i.sendEncodingParameters=p})),"max-compat"!==r._config.bundlePolicy&&(d+="a=group:BUNDLE "+r.transceivers.map((function(e){return e.mid})).join(" ")+"\r\n"),d+="a=ice-options:trickle\r\n",r.transceivers.forEach((function(e,t){d+=i(e,e.localCapabilities,"offer",e.stream,r._dtlsRole),d+="a=rtcp-rsize\r\n",!e.iceGatherer||"new"===r.iceGatheringState||0!==t&&r.usingBundle||(e.iceGatherer.getLocalCandidates().forEach((function(e){e.component=1,d+="a="+n.writeCandidate(e)+"\r\n"})),"completed"===e.iceGatherer.state&&(d+="a=end-of-candidates\r\n"))}));var p=new e.RTCSessionDescription({type:"offer",sdp:d});return Promise.resolve(p)},p.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 o=n.writeSessionBoilerplate(r._sdpSessionId,r._sdpSessionVersion++);r.usingBundle&&(o+="a=group:BUNDLE "+r.transceivers.map((function(e){return e.mid})).join(" ")+"\r\n"),o+="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?o+="m=application 0 DTLS/SCTP 5000\r\n":o+="m=application 0 "+e.protocol+" webrtc-datachannel\r\n":"audio"===e.kind?o+="m=audio 0 UDP/TLS/RTP/SAVPF 0\r\na=rtpmap:0 PCMU/8000\r\n":"video"===e.kind&&(o+="m=video 0 UDP/TLS/RTP/SAVPF 120\r\na=rtpmap:120 VP8/90000\r\n"),void(o+="c=IN IP4 0.0.0.0\r\na=inactive\r\na=mid:"+e.mid+"\r\n");var c;if(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 d=a(e.localCapabilities,e.remoteCapabilities);!d.codecs.filter((function(e){return"rtx"===e.name.toLowerCase()})).length&&e.sendEncodingParameters[0].rtx&&delete e.sendEncodingParameters[0].rtx,o+=i(e,d,"answer",e.stream,r._dtlsRole),e.rtcpParameters&&e.rtcpParameters.reducedSize&&(o+="a=rtcp-rsize\r\n")}}));var d=new e.RTCSessionDescription({type:"answer",sdp:o});return Promise.resolve(d)},p.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,a){if(!r._remoteDescription)return a(c("InvalidStateError","Can not add ICE candidate without a remote description"));if(e&&""!==e.candidate){var o=e.sdpMLineIndex;if(e.sdpMid)for(var d=0;d0?n.parseCandidate(e.candidate):{};if("tcp"===u.protocol&&(0===u.port||9===u.port))return i();if(u.component&&1!==u.component)return i();if((0===o||o>0&&p.iceTransport!==r.transceivers[0].iceTransport)&&!s(p.iceTransport,u))return a(c("OperationError","Can not add ICE candidate"));var f=e.candidate.trim();0===f.indexOf("a=")&&(f=f.substr(2)),(t=n.getMediaSections(r._remoteDescription.sdp))[o]+="a="+(u.type?f:"end-of-candidates")+"\r\n",r._remoteDescription.sdp=n.getDescription(r._remoteDescription.sdp)+t.join("")}else for(var l=0;l0?"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(" 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");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),a=-1!==i.fecMechanisms.indexOf("RED"),o=-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,d=n.matchPrefix(e,"a=ssrc-group:FID").map((function(e){return e.substr(17).split(" ").map((function(e){return 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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 a=n.matchPrefix(e,"a=sctp-port:");if(a.length>0)return{port:parseInt(a[0].substr(12),10),protocol:r.fmt,maxMessageSize:t};if(n.matchPrefix(e,"a=sctpmap:").length>0){var o=n.matchPrefix(e,"a=sctpmap:")[0].substr(10).split(" ");return{port:parseInt(o[0],10),protocol:o[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+" 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