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[Feat 0000] 解决rtsp视频流播放失败问题

hongrunxia 3 недель назад
Родитель
Сommit
6883f41fa9

+ 1 - 1
index.html

@@ -10,8 +10,8 @@
     <!-- 全局配置 -->
     <script src="/js/config.js"></script>
     <script src="/js/liveplayer-lib.min.js"></script>
+    <script src="/js/libs/adapter.min.js"></script>
     <script src="/js/webrtcstreamer.js"></script>
-    <script src="/js/adapter.min.js"></script>
     <!-- <script type="text/javascript" src="http://182.92.126.35:9050/web-apps/apps/api/documents/api.js"></script> -->
   </head>
   <body>

+ 0 - 3514
public/js/adapter.min.js

@@ -1,3514 +0,0 @@
-(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.adapter = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
-/*
- *  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.
- */
-/* eslint-env node */
-
-'use strict';
-
-var _adapter_factory = require('./adapter_factory.js');
-
-var adapter = (0, _adapter_factory.adapterFactory)({ window: typeof window === 'undefined' ? undefined : window });
-module.exports = adapter; // this is the difference from adapter_core.
-
-},{"./adapter_factory.js":2}],2:[function(require,module,exports){
-'use strict';
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-exports.adapterFactory = adapterFactory;
-
-var _utils = require('./utils');
-
-var utils = _interopRequireWildcard(_utils);
-
-var _chrome_shim = require('./chrome/chrome_shim');
-
-var chromeShim = _interopRequireWildcard(_chrome_shim);
-
-var _firefox_shim = require('./firefox/firefox_shim');
-
-var firefoxShim = _interopRequireWildcard(_firefox_shim);
-
-var _safari_shim = require('./safari/safari_shim');
-
-var safariShim = _interopRequireWildcard(_safari_shim);
-
-var _common_shim = require('./common_shim');
-
-var commonShim = _interopRequireWildcard(_common_shim);
-
-var _sdp = require('sdp');
-
-var sdp = _interopRequireWildcard(_sdp);
-
-function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
-
-// Shimming starts here.
-/*
- *  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.
- */
-function adapterFactory() {
-  var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
-      window = _ref.window;
-
-  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {
-    shimChrome: true,
-    shimFirefox: true,
-    shimSafari: true
-  };
-
-  // Utils.
-  var logging = utils.log;
-  var browserDetails = utils.detectBrowser(window);
-
-  var adapter = {
-    browserDetails: browserDetails,
-    commonShim: commonShim,
-    extractVersion: utils.extractVersion,
-    disableLog: utils.disableLog,
-    disableWarnings: utils.disableWarnings,
-    // Expose sdp as a convenience. For production apps include directly.
-    sdp: sdp
-  };
-
-  // Shim browser if found.
-  switch (browserDetails.browser) {
-    case 'chrome':
-      if (!chromeShim || !chromeShim.shimPeerConnection || !options.shimChrome) {
-        logging('Chrome shim is not included in this adapter release.');
-        return adapter;
-      }
-      if (browserDetails.version === null) {
-        logging('Chrome shim can not determine version, not shimming.');
-        return adapter;
-      }
-      logging('adapter.js shimming chrome.');
-      // Export to the adapter global object visible in the browser.
-      adapter.browserShim = chromeShim;
-
-      // Must be called before shimPeerConnection.
-      commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails);
-      commonShim.shimParameterlessSetLocalDescription(window, browserDetails);
-
-      chromeShim.shimGetUserMedia(window, browserDetails);
-      chromeShim.shimMediaStream(window, browserDetails);
-      chromeShim.shimPeerConnection(window, browserDetails);
-      chromeShim.shimOnTrack(window, browserDetails);
-      chromeShim.shimAddTrackRemoveTrack(window, browserDetails);
-      chromeShim.shimGetSendersWithDtmf(window, browserDetails);
-      chromeShim.shimGetStats(window, browserDetails);
-      chromeShim.shimSenderReceiverGetStats(window, browserDetails);
-      chromeShim.fixNegotiationNeeded(window, browserDetails);
-
-      commonShim.shimRTCIceCandidate(window, browserDetails);
-      commonShim.shimRTCIceCandidateRelayProtocol(window, browserDetails);
-      commonShim.shimConnectionState(window, browserDetails);
-      commonShim.shimMaxMessageSize(window, browserDetails);
-      commonShim.shimSendThrowTypeError(window, browserDetails);
-      commonShim.removeExtmapAllowMixed(window, browserDetails);
-      break;
-    case 'firefox':
-      if (!firefoxShim || !firefoxShim.shimPeerConnection || !options.shimFirefox) {
-        logging('Firefox shim is not included in this adapter release.');
-        return adapter;
-      }
-      logging('adapter.js shimming firefox.');
-      // Export to the adapter global object visible in the browser.
-      adapter.browserShim = firefoxShim;
-
-      // Must be called before shimPeerConnection.
-      commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails);
-      commonShim.shimParameterlessSetLocalDescription(window, browserDetails);
-
-      firefoxShim.shimGetUserMedia(window, browserDetails);
-      firefoxShim.shimPeerConnection(window, browserDetails);
-      firefoxShim.shimOnTrack(window, browserDetails);
-      firefoxShim.shimRemoveStream(window, browserDetails);
-      firefoxShim.shimSenderGetStats(window, browserDetails);
-      firefoxShim.shimReceiverGetStats(window, browserDetails);
-      firefoxShim.shimRTCDataChannel(window, browserDetails);
-      firefoxShim.shimAddTransceiver(window, browserDetails);
-      firefoxShim.shimGetParameters(window, browserDetails);
-      firefoxShim.shimCreateOffer(window, browserDetails);
-      firefoxShim.shimCreateAnswer(window, browserDetails);
-
-      commonShim.shimRTCIceCandidate(window, browserDetails);
-      commonShim.shimConnectionState(window, browserDetails);
-      commonShim.shimMaxMessageSize(window, browserDetails);
-      commonShim.shimSendThrowTypeError(window, browserDetails);
-      break;
-    case 'safari':
-      if (!safariShim || !options.shimSafari) {
-        logging('Safari shim is not included in this adapter release.');
-        return adapter;
-      }
-      logging('adapter.js shimming safari.');
-      // Export to the adapter global object visible in the browser.
-      adapter.browserShim = safariShim;
-
-      // Must be called before shimCallbackAPI.
-      commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails);
-      commonShim.shimParameterlessSetLocalDescription(window, browserDetails);
-
-      safariShim.shimRTCIceServerUrls(window, browserDetails);
-      safariShim.shimCreateOfferLegacy(window, browserDetails);
-      safariShim.shimCallbacksAPI(window, browserDetails);
-      safariShim.shimLocalStreamsAPI(window, browserDetails);
-      safariShim.shimRemoteStreamsAPI(window, browserDetails);
-      safariShim.shimTrackEventTransceiver(window, browserDetails);
-      safariShim.shimGetUserMedia(window, browserDetails);
-      safariShim.shimAudioContext(window, browserDetails);
-
-      commonShim.shimRTCIceCandidate(window, browserDetails);
-      commonShim.shimRTCIceCandidateRelayProtocol(window, browserDetails);
-      commonShim.shimMaxMessageSize(window, browserDetails);
-      commonShim.shimSendThrowTypeError(window, browserDetails);
-      commonShim.removeExtmapAllowMixed(window, browserDetails);
-      break;
-    default:
-      logging('Unsupported browser!');
-      break;
-  }
-
-  return adapter;
-}
-
-// Browser shims.
-
-},{"./chrome/chrome_shim":3,"./common_shim":6,"./firefox/firefox_shim":7,"./safari/safari_shim":10,"./utils":11,"sdp":12}],3:[function(require,module,exports){
-/*
- *  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.
- */
-/* eslint-env node */
-'use strict';
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-exports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined;
-
-var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
-
-var _getusermedia = require('./getusermedia');
-
-Object.defineProperty(exports, 'shimGetUserMedia', {
-  enumerable: true,
-  get: function get() {
-    return _getusermedia.shimGetUserMedia;
-  }
-});
-
-var _getdisplaymedia = require('./getdisplaymedia');
-
-Object.defineProperty(exports, 'shimGetDisplayMedia', {
-  enumerable: true,
-  get: function get() {
-    return _getdisplaymedia.shimGetDisplayMedia;
-  }
-});
-exports.shimMediaStream = shimMediaStream;
-exports.shimOnTrack = shimOnTrack;
-exports.shimGetSendersWithDtmf = shimGetSendersWithDtmf;
-exports.shimGetStats = shimGetStats;
-exports.shimSenderReceiverGetStats = shimSenderReceiverGetStats;
-exports.shimAddTrackRemoveTrackWithNative = shimAddTrackRemoveTrackWithNative;
-exports.shimAddTrackRemoveTrack = shimAddTrackRemoveTrack;
-exports.shimPeerConnection = shimPeerConnection;
-exports.fixNegotiationNeeded = fixNegotiationNeeded;
-
-var _utils = require('../utils.js');
-
-var utils = _interopRequireWildcard(_utils);
-
-function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
-
-function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
-
-function shimMediaStream(window) {
-  window.MediaStream = window.MediaStream || window.webkitMediaStream;
-}
-
-function shimOnTrack(window) {
-  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && !('ontrack' in window.RTCPeerConnection.prototype)) {
-    Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {
-      get: function get() {
-        return this._ontrack;
-      },
-      set: function set(f) {
-        if (this._ontrack) {
-          this.removeEventListener('track', this._ontrack);
-        }
-        this.addEventListener('track', this._ontrack = f);
-      },
-
-      enumerable: true,
-      configurable: true
-    });
-    var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;
-    window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {
-      var _this = this;
-
-      if (!this._ontrackpoly) {
-        this._ontrackpoly = function (e) {
-          // onaddstream does not fire when a track is added to an existing
-          // stream. But stream.onaddtrack is implemented so we use that.
-          e.stream.addEventListener('addtrack', function (te) {
-            var receiver = void 0;
-            if (window.RTCPeerConnection.prototype.getReceivers) {
-              receiver = _this.getReceivers().find(function (r) {
-                return r.track && r.track.id === te.track.id;
-              });
-            } else {
-              receiver = { track: te.track };
-            }
-
-            var event = new Event('track');
-            event.track = te.track;
-            event.receiver = receiver;
-            event.transceiver = { receiver: receiver };
-            event.streams = [e.stream];
-            _this.dispatchEvent(event);
-          });
-          e.stream.getTracks().forEach(function (track) {
-            var receiver = void 0;
-            if (window.RTCPeerConnection.prototype.getReceivers) {
-              receiver = _this.getReceivers().find(function (r) {
-                return r.track && r.track.id === track.id;
-              });
-            } else {
-              receiver = { track: track };
-            }
-            var event = new Event('track');
-            event.track = track;
-            event.receiver = receiver;
-            event.transceiver = { receiver: receiver };
-            event.streams = [e.stream];
-            _this.dispatchEvent(event);
-          });
-        };
-        this.addEventListener('addstream', this._ontrackpoly);
-      }
-      return origSetRemoteDescription.apply(this, arguments);
-    };
-  } else {
-    // even if RTCRtpTransceiver is in window, it is only used and
-    // emitted in unified-plan. Unfortunately this means we need
-    // to unconditionally wrap the event.
-    utils.wrapPeerConnectionEvent(window, 'track', function (e) {
-      if (!e.transceiver) {
-        Object.defineProperty(e, 'transceiver', { value: { receiver: e.receiver } });
-      }
-      return e;
-    });
-  }
-}
-
-function shimGetSendersWithDtmf(window) {
-  // Overrides addTrack/removeTrack, depends on shimAddTrackRemoveTrack.
-  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && !('getSenders' in window.RTCPeerConnection.prototype) && 'createDTMFSender' in window.RTCPeerConnection.prototype) {
-    var shimSenderWithDtmf = function shimSenderWithDtmf(pc, track) {
-      return {
-        track: track,
-        get dtmf() {
-          if (this._dtmf === undefined) {
-            if (track.kind === 'audio') {
-              this._dtmf = pc.createDTMFSender(track);
-            } else {
-              this._dtmf = null;
-            }
-          }
-          return this._dtmf;
-        },
-        _pc: pc
-      };
-    };
-
-    // augment addTrack when getSenders is not available.
-    if (!window.RTCPeerConnection.prototype.getSenders) {
-      window.RTCPeerConnection.prototype.getSenders = function getSenders() {
-        this._senders = this._senders || [];
-        return this._senders.slice(); // return a copy of the internal state.
-      };
-      var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
-      window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {
-        var sender = origAddTrack.apply(this, arguments);
-        if (!sender) {
-          sender = shimSenderWithDtmf(this, track);
-          this._senders.push(sender);
-        }
-        return sender;
-      };
-
-      var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
-      window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {
-        origRemoveTrack.apply(this, arguments);
-        var idx = this._senders.indexOf(sender);
-        if (idx !== -1) {
-          this._senders.splice(idx, 1);
-        }
-      };
-    }
-    var origAddStream = window.RTCPeerConnection.prototype.addStream;
-    window.RTCPeerConnection.prototype.addStream = function addStream(stream) {
-      var _this2 = this;
-
-      this._senders = this._senders || [];
-      origAddStream.apply(this, [stream]);
-      stream.getTracks().forEach(function (track) {
-        _this2._senders.push(shimSenderWithDtmf(_this2, track));
-      });
-    };
-
-    var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
-    window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {
-      var _this3 = this;
-
-      this._senders = this._senders || [];
-      origRemoveStream.apply(this, [stream]);
-
-      stream.getTracks().forEach(function (track) {
-        var sender = _this3._senders.find(function (s) {
-          return s.track === track;
-        });
-        if (sender) {
-          // remove sender
-          _this3._senders.splice(_this3._senders.indexOf(sender), 1);
-        }
-      });
-    };
-  } else if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && 'getSenders' in window.RTCPeerConnection.prototype && 'createDTMFSender' in window.RTCPeerConnection.prototype && window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) {
-    var origGetSenders = window.RTCPeerConnection.prototype.getSenders;
-    window.RTCPeerConnection.prototype.getSenders = function getSenders() {
-      var _this4 = this;
-
-      var senders = origGetSenders.apply(this, []);
-      senders.forEach(function (sender) {
-        return sender._pc = _this4;
-      });
-      return senders;
-    };
-
-    Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {
-      get: function get() {
-        if (this._dtmf === undefined) {
-          if (this.track.kind === 'audio') {
-            this._dtmf = this._pc.createDTMFSender(this.track);
-          } else {
-            this._dtmf = null;
-          }
-        }
-        return this._dtmf;
-      }
-    });
-  }
-}
-
-function shimGetStats(window) {
-  if (!window.RTCPeerConnection) {
-    return;
-  }
-
-  var origGetStats = window.RTCPeerConnection.prototype.getStats;
-  window.RTCPeerConnection.prototype.getStats = function getStats() {
-    var _this5 = this;
-
-    var _arguments = Array.prototype.slice.call(arguments),
-        selector = _arguments[0],
-        onSucc = _arguments[1],
-        onErr = _arguments[2];
-
-    // If selector is a function then we are in the old style stats so just
-    // pass back the original getStats format to avoid breaking old users.
-
-
-    if (arguments.length > 0 && typeof selector === 'function') {
-      return origGetStats.apply(this, arguments);
-    }
-
-    // When spec-style getStats is supported, return those when called with
-    // either no arguments or the selector argument is null.
-    if (origGetStats.length === 0 && (arguments.length === 0 || typeof selector !== 'function')) {
-      return origGetStats.apply(this, []);
-    }
-
-    var fixChromeStats_ = function fixChromeStats_(response) {
-      var standardReport = {};
-      var reports = response.result();
-      reports.forEach(function (report) {
-        var standardStats = {
-          id: report.id,
-          timestamp: report.timestamp,
-          type: {
-            localcandidate: 'local-candidate',
-            remotecandidate: 'remote-candidate'
-          }[report.type] || report.type
-        };
-        report.names().forEach(function (name) {
-          standardStats[name] = report.stat(name);
-        });
-        standardReport[standardStats.id] = standardStats;
-      });
-
-      return standardReport;
-    };
-
-    // shim getStats with maplike support
-    var makeMapStats = function makeMapStats(stats) {
-      return new Map(Object.keys(stats).map(function (key) {
-        return [key, stats[key]];
-      }));
-    };
-
-    if (arguments.length >= 2) {
-      var successCallbackWrapper_ = function successCallbackWrapper_(response) {
-        onSucc(makeMapStats(fixChromeStats_(response)));
-      };
-
-      return origGetStats.apply(this, [successCallbackWrapper_, selector]);
-    }
-
-    // promise-support
-    return new Promise(function (resolve, reject) {
-      origGetStats.apply(_this5, [function (response) {
-        resolve(makeMapStats(fixChromeStats_(response)));
-      }, reject]);
-    }).then(onSucc, onErr);
-  };
-}
-
-function shimSenderReceiverGetStats(window) {
-  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && window.RTCRtpSender && window.RTCRtpReceiver)) {
-    return;
-  }
-
-  // shim sender stats.
-  if (!('getStats' in window.RTCRtpSender.prototype)) {
-    var origGetSenders = window.RTCPeerConnection.prototype.getSenders;
-    if (origGetSenders) {
-      window.RTCPeerConnection.prototype.getSenders = function getSenders() {
-        var _this6 = this;
-
-        var senders = origGetSenders.apply(this, []);
-        senders.forEach(function (sender) {
-          return sender._pc = _this6;
-        });
-        return senders;
-      };
-    }
-
-    var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
-    if (origAddTrack) {
-      window.RTCPeerConnection.prototype.addTrack = function addTrack() {
-        var sender = origAddTrack.apply(this, arguments);
-        sender._pc = this;
-        return sender;
-      };
-    }
-    window.RTCRtpSender.prototype.getStats = function getStats() {
-      var sender = this;
-      return this._pc.getStats().then(function (result) {
-        return (
-          /* Note: this will include stats of all senders that
-           *   send a track with the same id as sender.track as
-           *   it is not possible to identify the RTCRtpSender.
-           */
-          utils.filterStats(result, sender.track, true)
-        );
-      });
-    };
-  }
-
-  // shim receiver stats.
-  if (!('getStats' in window.RTCRtpReceiver.prototype)) {
-    var origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;
-    if (origGetReceivers) {
-      window.RTCPeerConnection.prototype.getReceivers = function getReceivers() {
-        var _this7 = this;
-
-        var receivers = origGetReceivers.apply(this, []);
-        receivers.forEach(function (receiver) {
-          return receiver._pc = _this7;
-        });
-        return receivers;
-      };
-    }
-    utils.wrapPeerConnectionEvent(window, 'track', function (e) {
-      e.receiver._pc = e.srcElement;
-      return e;
-    });
-    window.RTCRtpReceiver.prototype.getStats = function getStats() {
-      var receiver = this;
-      return this._pc.getStats().then(function (result) {
-        return utils.filterStats(result, receiver.track, false);
-      });
-    };
-  }
-
-  if (!('getStats' in window.RTCRtpSender.prototype && 'getStats' in window.RTCRtpReceiver.prototype)) {
-    return;
-  }
-
-  // shim RTCPeerConnection.getStats(track).
-  var origGetStats = window.RTCPeerConnection.prototype.getStats;
-  window.RTCPeerConnection.prototype.getStats = function getStats() {
-    if (arguments.length > 0 && arguments[0] instanceof window.MediaStreamTrack) {
-      var track = arguments[0];
-      var sender = void 0;
-      var receiver = void 0;
-      var err = void 0;
-      this.getSenders().forEach(function (s) {
-        if (s.track === track) {
-          if (sender) {
-            err = true;
-          } else {
-            sender = s;
-          }
-        }
-      });
-      this.getReceivers().forEach(function (r) {
-        if (r.track === track) {
-          if (receiver) {
-            err = true;
-          } else {
-            receiver = r;
-          }
-        }
-        return r.track === track;
-      });
-      if (err || sender && receiver) {
-        return Promise.reject(new DOMException('There are more than one sender or receiver for the track.', 'InvalidAccessError'));
-      } else if (sender) {
-        return sender.getStats();
-      } else if (receiver) {
-        return receiver.getStats();
-      }
-      return Promise.reject(new DOMException('There is no sender or receiver for the track.', 'InvalidAccessError'));
-    }
-    return origGetStats.apply(this, arguments);
-  };
-}
-
-function shimAddTrackRemoveTrackWithNative(window) {
-  // shim addTrack/removeTrack with native variants in order to make
-  // the interactions with legacy getLocalStreams behave as in other browsers.
-  // Keeps a mapping stream.id => [stream, rtpsenders...]
-  window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {
-    var _this8 = this;
-
-    this._shimmedLocalStreams = this._shimmedLocalStreams || {};
-    return Object.keys(this._shimmedLocalStreams).map(function (streamId) {
-      return _this8._shimmedLocalStreams[streamId][0];
-    });
-  };
-
-  var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
-  window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {
-    if (!stream) {
-      return origAddTrack.apply(this, arguments);
-    }
-    this._shimmedLocalStreams = this._shimmedLocalStreams || {};
-
-    var sender = origAddTrack.apply(this, arguments);
-    if (!this._shimmedLocalStreams[stream.id]) {
-      this._shimmedLocalStreams[stream.id] = [stream, sender];
-    } else if (this._shimmedLocalStreams[stream.id].indexOf(sender) === -1) {
-      this._shimmedLocalStreams[stream.id].push(sender);
-    }
-    return sender;
-  };
-
-  var origAddStream = window.RTCPeerConnection.prototype.addStream;
-  window.RTCPeerConnection.prototype.addStream = function addStream(stream) {
-    var _this9 = this;
-
-    this._shimmedLocalStreams = this._shimmedLocalStreams || {};
-
-    stream.getTracks().forEach(function (track) {
-      var alreadyExists = _this9.getSenders().find(function (s) {
-        return s.track === track;
-      });
-      if (alreadyExists) {
-        throw new DOMException('Track already exists.', 'InvalidAccessError');
-      }
-    });
-    var existingSenders = this.getSenders();
-    origAddStream.apply(this, arguments);
-    var newSenders = this.getSenders().filter(function (newSender) {
-      return existingSenders.indexOf(newSender) === -1;
-    });
-    this._shimmedLocalStreams[stream.id] = [stream].concat(newSenders);
-  };
-
-  var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
-  window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {
-    this._shimmedLocalStreams = this._shimmedLocalStreams || {};
-    delete this._shimmedLocalStreams[stream.id];
-    return origRemoveStream.apply(this, arguments);
-  };
-
-  var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
-  window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {
-    var _this10 = this;
-
-    this._shimmedLocalStreams = this._shimmedLocalStreams || {};
-    if (sender) {
-      Object.keys(this._shimmedLocalStreams).forEach(function (streamId) {
-        var idx = _this10._shimmedLocalStreams[streamId].indexOf(sender);
-        if (idx !== -1) {
-          _this10._shimmedLocalStreams[streamId].splice(idx, 1);
-        }
-        if (_this10._shimmedLocalStreams[streamId].length === 1) {
-          delete _this10._shimmedLocalStreams[streamId];
-        }
-      });
-    }
-    return origRemoveTrack.apply(this, arguments);
-  };
-}
-
-function shimAddTrackRemoveTrack(window, browserDetails) {
-  if (!window.RTCPeerConnection) {
-    return;
-  }
-  // shim addTrack and removeTrack.
-  if (window.RTCPeerConnection.prototype.addTrack && browserDetails.version >= 65) {
-    return shimAddTrackRemoveTrackWithNative(window);
-  }
-
-  // also shim pc.getLocalStreams when addTrack is shimmed
-  // to return the original streams.
-  var origGetLocalStreams = window.RTCPeerConnection.prototype.getLocalStreams;
-  window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {
-    var _this11 = this;
-
-    var nativeStreams = origGetLocalStreams.apply(this);
-    this._reverseStreams = this._reverseStreams || {};
-    return nativeStreams.map(function (stream) {
-      return _this11._reverseStreams[stream.id];
-    });
-  };
-
-  var origAddStream = window.RTCPeerConnection.prototype.addStream;
-  window.RTCPeerConnection.prototype.addStream = function addStream(stream) {
-    var _this12 = this;
-
-    this._streams = this._streams || {};
-    this._reverseStreams = this._reverseStreams || {};
-
-    stream.getTracks().forEach(function (track) {
-      var alreadyExists = _this12.getSenders().find(function (s) {
-        return s.track === track;
-      });
-      if (alreadyExists) {
-        throw new DOMException('Track already exists.', 'InvalidAccessError');
-      }
-    });
-    // Add identity mapping for consistency with addTrack.
-    // Unless this is being used with a stream from addTrack.
-    if (!this._reverseStreams[stream.id]) {
-      var newStream = new window.MediaStream(stream.getTracks());
-      this._streams[stream.id] = newStream;
-      this._reverseStreams[newStream.id] = stream;
-      stream = newStream;
-    }
-    origAddStream.apply(this, [stream]);
-  };
-
-  var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
-  window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {
-    this._streams = this._streams || {};
-    this._reverseStreams = this._reverseStreams || {};
-
-    origRemoveStream.apply(this, [this._streams[stream.id] || stream]);
-    delete this._reverseStreams[this._streams[stream.id] ? this._streams[stream.id].id : stream.id];
-    delete this._streams[stream.id];
-  };
-
-  window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {
-    var _this13 = this;
-
-    if (this.signalingState === 'closed') {
-      throw new DOMException('The RTCPeerConnection\'s signalingState is \'closed\'.', 'InvalidStateError');
-    }
-    var streams = [].slice.call(arguments, 1);
-    if (streams.length !== 1 || !streams[0].getTracks().find(function (t) {
-      return t === track;
-    })) {
-      // this is not fully correct but all we can manage without
-      // [[associated MediaStreams]] internal slot.
-      throw new DOMException('The adapter.js addTrack polyfill only supports a single ' + ' stream which is associated with the specified track.', 'NotSupportedError');
-    }
-
-    var alreadyExists = this.getSenders().find(function (s) {
-      return s.track === track;
-    });
-    if (alreadyExists) {
-      throw new DOMException('Track already exists.', 'InvalidAccessError');
-    }
-
-    this._streams = this._streams || {};
-    this._reverseStreams = this._reverseStreams || {};
-    var oldStream = this._streams[stream.id];
-    if (oldStream) {
-      // this is using odd Chrome behaviour, use with caution:
-      // https://bugs.chromium.org/p/webrtc/issues/detail?id=7815
-      // Note: we rely on the high-level addTrack/dtmf shim to
-      // create the sender with a dtmf sender.
-      oldStream.addTrack(track);
-
-      // Trigger ONN async.
-      Promise.resolve().then(function () {
-        _this13.dispatchEvent(new Event('negotiationneeded'));
-      });
-    } else {
-      var newStream = new window.MediaStream([track]);
-      this._streams[stream.id] = newStream;
-      this._reverseStreams[newStream.id] = stream;
-      this.addStream(newStream);
-    }
-    return this.getSenders().find(function (s) {
-      return s.track === track;
-    });
-  };
-
-  // replace the internal stream id with the external one and
-  // vice versa.
-  function replaceInternalStreamId(pc, description) {
-    var sdp = description.sdp;
-    Object.keys(pc._reverseStreams || []).forEach(function (internalId) {
-      var externalStream = pc._reverseStreams[internalId];
-      var internalStream = pc._streams[externalStream.id];
-      sdp = sdp.replace(new RegExp(internalStream.id, 'g'), externalStream.id);
-    });
-    return new RTCSessionDescription({
-      type: description.type,
-      sdp: sdp
-    });
-  }
-  function replaceExternalStreamId(pc, description) {
-    var sdp = description.sdp;
-    Object.keys(pc._reverseStreams || []).forEach(function (internalId) {
-      var externalStream = pc._reverseStreams[internalId];
-      var internalStream = pc._streams[externalStream.id];
-      sdp = sdp.replace(new RegExp(externalStream.id, 'g'), internalStream.id);
-    });
-    return new RTCSessionDescription({
-      type: description.type,
-      sdp: sdp
-    });
-  }
-  ['createOffer', 'createAnswer'].forEach(function (method) {
-    var nativeMethod = window.RTCPeerConnection.prototype[method];
-    var methodObj = _defineProperty({}, method, function () {
-      var _this14 = this;
-
-      var args = arguments;
-      var isLegacyCall = arguments.length && typeof arguments[0] === 'function';
-      if (isLegacyCall) {
-        return nativeMethod.apply(this, [function (description) {
-          var desc = replaceInternalStreamId(_this14, description);
-          args[0].apply(null, [desc]);
-        }, function (err) {
-          if (args[1]) {
-            args[1].apply(null, err);
-          }
-        }, arguments[2]]);
-      }
-      return nativeMethod.apply(this, arguments).then(function (description) {
-        return replaceInternalStreamId(_this14, description);
-      });
-    });
-    window.RTCPeerConnection.prototype[method] = methodObj[method];
-  });
-
-  var origSetLocalDescription = window.RTCPeerConnection.prototype.setLocalDescription;
-  window.RTCPeerConnection.prototype.setLocalDescription = function setLocalDescription() {
-    if (!arguments.length || !arguments[0].type) {
-      return origSetLocalDescription.apply(this, arguments);
-    }
-    arguments[0] = replaceExternalStreamId(this, arguments[0]);
-    return origSetLocalDescription.apply(this, arguments);
-  };
-
-  // TODO: mangle getStats: https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamstats-streamidentifier
-
-  var origLocalDescription = Object.getOwnPropertyDescriptor(window.RTCPeerConnection.prototype, 'localDescription');
-  Object.defineProperty(window.RTCPeerConnection.prototype, 'localDescription', {
-    get: function get() {
-      var description = origLocalDescription.get.apply(this);
-      if (description.type === '') {
-        return description;
-      }
-      return replaceInternalStreamId(this, description);
-    }
-  });
-
-  window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {
-    var _this15 = this;
-
-    if (this.signalingState === 'closed') {
-      throw new DOMException('The RTCPeerConnection\'s signalingState is \'closed\'.', 'InvalidStateError');
-    }
-    // We can not yet check for sender instanceof RTCRtpSender
-    // since we shim RTPSender. So we check if sender._pc is set.
-    if (!sender._pc) {
-      throw new DOMException('Argument 1 of RTCPeerConnection.removeTrack ' + 'does not implement interface RTCRtpSender.', 'TypeError');
-    }
-    var isLocal = sender._pc === this;
-    if (!isLocal) {
-      throw new DOMException('Sender was not created by this connection.', 'InvalidAccessError');
-    }
-
-    // Search for the native stream the senders track belongs to.
-    this._streams = this._streams || {};
-    var stream = void 0;
-    Object.keys(this._streams).forEach(function (streamid) {
-      var hasTrack = _this15._streams[streamid].getTracks().find(function (track) {
-        return sender.track === track;
-      });
-      if (hasTrack) {
-        stream = _this15._streams[streamid];
-      }
-    });
-
-    if (stream) {
-      if (stream.getTracks().length === 1) {
-        // if this is the last track of the stream, remove the stream. This
-        // takes care of any shimmed _senders.
-        this.removeStream(this._reverseStreams[stream.id]);
-      } else {
-        // relying on the same odd chrome behaviour as above.
-        stream.removeTrack(sender.track);
-      }
-      this.dispatchEvent(new Event('negotiationneeded'));
-    }
-  };
-}
-
-function shimPeerConnection(window, browserDetails) {
-  if (!window.RTCPeerConnection && window.webkitRTCPeerConnection) {
-    // very basic support for old versions.
-    window.RTCPeerConnection = window.webkitRTCPeerConnection;
-  }
-  if (!window.RTCPeerConnection) {
-    return;
-  }
-
-  // shim implicit creation of RTCSessionDescription/RTCIceCandidate
-  if (browserDetails.version < 53) {
-    ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'].forEach(function (method) {
-      var nativeMethod = window.RTCPeerConnection.prototype[method];
-      var methodObj = _defineProperty({}, method, function () {
-        arguments[0] = new (method === 'addIceCandidate' ? window.RTCIceCandidate : window.RTCSessionDescription)(arguments[0]);
-        return nativeMethod.apply(this, arguments);
-      });
-      window.RTCPeerConnection.prototype[method] = methodObj[method];
-    });
-  }
-}
-
-// Attempt to fix ONN in plan-b mode.
-function fixNegotiationNeeded(window, browserDetails) {
-  utils.wrapPeerConnectionEvent(window, 'negotiationneeded', function (e) {
-    var pc = e.target;
-    if (browserDetails.version < 72 || pc.getConfiguration && pc.getConfiguration().sdpSemantics === 'plan-b') {
-      if (pc.signalingState !== 'stable') {
-        return;
-      }
-    }
-    return e;
-  });
-}
-
-},{"../utils.js":11,"./getdisplaymedia":4,"./getusermedia":5}],4:[function(require,module,exports){
-/*
- *  Copyright (c) 2018 The adapter.js 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.
- */
-/* eslint-env node */
-'use strict';
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-exports.shimGetDisplayMedia = shimGetDisplayMedia;
-function shimGetDisplayMedia(window, getSourceId) {
-  if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {
-    return;
-  }
-  if (!window.navigator.mediaDevices) {
-    return;
-  }
-  // getSourceId is a function that returns a promise resolving with
-  // the sourceId of the screen/window/tab to be shared.
-  if (typeof getSourceId !== 'function') {
-    console.error('shimGetDisplayMedia: getSourceId argument is not ' + 'a function');
-    return;
-  }
-  window.navigator.mediaDevices.getDisplayMedia = function getDisplayMedia(constraints) {
-    return getSourceId(constraints).then(function (sourceId) {
-      var widthSpecified = constraints.video && constraints.video.width;
-      var heightSpecified = constraints.video && constraints.video.height;
-      var frameRateSpecified = constraints.video && constraints.video.frameRate;
-      constraints.video = {
-        mandatory: {
-          chromeMediaSource: 'desktop',
-          chromeMediaSourceId: sourceId,
-          maxFrameRate: frameRateSpecified || 3
-        }
-      };
-      if (widthSpecified) {
-        constraints.video.mandatory.maxWidth = widthSpecified;
-      }
-      if (heightSpecified) {
-        constraints.video.mandatory.maxHeight = heightSpecified;
-      }
-      return window.navigator.mediaDevices.getUserMedia(constraints);
-    });
-  };
-}
-
-},{}],5:[function(require,module,exports){
-/*
- *  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.
- */
-/* eslint-env node */
-'use strict';
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-
-var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
-
-exports.shimGetUserMedia = shimGetUserMedia;
-
-var _utils = require('../utils.js');
-
-var utils = _interopRequireWildcard(_utils);
-
-function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
-
-var logging = utils.log;
-
-function shimGetUserMedia(window, browserDetails) {
-  var navigator = window && window.navigator;
-
-  if (!navigator.mediaDevices) {
-    return;
-  }
-
-  var constraintsToChrome_ = function constraintsToChrome_(c) {
-    if ((typeof c === 'undefined' ? 'undefined' : _typeof(c)) !== 'object' || c.mandatory || c.optional) {
-      return c;
-    }
-    var cc = {};
-    Object.keys(c).forEach(function (key) {
-      if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
-        return;
-      }
-      var r = _typeof(c[key]) === 'object' ? c[key] : { ideal: c[key] };
-      if (r.exact !== undefined && typeof r.exact === 'number') {
-        r.min = r.max = r.exact;
-      }
-      var oldname_ = function oldname_(prefix, name) {
-        if (prefix) {
-          return prefix + name.charAt(0).toUpperCase() + name.slice(1);
-        }
-        return name === 'deviceId' ? 'sourceId' : name;
-      };
-      if (r.ideal !== undefined) {
-        cc.optional = cc.optional || [];
-        var oc = {};
-        if (typeof r.ideal === 'number') {
-          oc[oldname_('min', key)] = r.ideal;
-          cc.optional.push(oc);
-          oc = {};
-          oc[oldname_('max', key)] = r.ideal;
-          cc.optional.push(oc);
-        } else {
-          oc[oldname_('', key)] = r.ideal;
-          cc.optional.push(oc);
-        }
-      }
-      if (r.exact !== undefined && typeof r.exact !== 'number') {
-        cc.mandatory = cc.mandatory || {};
-        cc.mandatory[oldname_('', key)] = r.exact;
-      } else {
-        ['min', 'max'].forEach(function (mix) {
-          if (r[mix] !== undefined) {
-            cc.mandatory = cc.mandatory || {};
-            cc.mandatory[oldname_(mix, key)] = r[mix];
-          }
-        });
-      }
-    });
-    if (c.advanced) {
-      cc.optional = (cc.optional || []).concat(c.advanced);
-    }
-    return cc;
-  };
-
-  var shimConstraints_ = function shimConstraints_(constraints, func) {
-    if (browserDetails.version >= 61) {
-      return func(constraints);
-    }
-    constraints = JSON.parse(JSON.stringify(constraints));
-    if (constraints && _typeof(constraints.audio) === 'object') {
-      var remap = function remap(obj, a, b) {
-        if (a in obj && !(b in obj)) {
-          obj[b] = obj[a];
-          delete obj[a];
-        }
-      };
-      constraints = JSON.parse(JSON.stringify(constraints));
-      remap(constraints.audio, 'autoGainControl', 'googAutoGainControl');
-      remap(constraints.audio, 'noiseSuppression', 'googNoiseSuppression');
-      constraints.audio = constraintsToChrome_(constraints.audio);
-    }
-    if (constraints && _typeof(constraints.video) === 'object') {
-      // Shim facingMode for mobile & surface pro.
-      var face = constraints.video.facingMode;
-      face = face && ((typeof face === 'undefined' ? 'undefined' : _typeof(face)) === 'object' ? face : { ideal: face });
-      var getSupportedFacingModeLies = browserDetails.version < 66;
-
-      if (face && (face.exact === 'user' || face.exact === 'environment' || face.ideal === 'user' || face.ideal === 'environment') && !(navigator.mediaDevices.getSupportedConstraints && navigator.mediaDevices.getSupportedConstraints().facingMode && !getSupportedFacingModeLies)) {
-        delete constraints.video.facingMode;
-        var matches = void 0;
-        if (face.exact === 'environment' || face.ideal === 'environment') {
-          matches = ['back', 'rear'];
-        } else if (face.exact === 'user' || face.ideal === 'user') {
-          matches = ['front'];
-        }
-        if (matches) {
-          // Look for matches in label, or use last cam for back (typical).
-          return navigator.mediaDevices.enumerateDevices().then(function (devices) {
-            devices = devices.filter(function (d) {
-              return d.kind === 'videoinput';
-            });
-            var dev = devices.find(function (d) {
-              return matches.some(function (match) {
-                return d.label.toLowerCase().includes(match);
-              });
-            });
-            if (!dev && devices.length && matches.includes('back')) {
-              dev = devices[devices.length - 1]; // more likely the back cam
-            }
-            if (dev) {
-              constraints.video.deviceId = face.exact ? { exact: dev.deviceId } : { ideal: dev.deviceId };
-            }
-            constraints.video = constraintsToChrome_(constraints.video);
-            logging('chrome: ' + JSON.stringify(constraints));
-            return func(constraints);
-          });
-        }
-      }
-      constraints.video = constraintsToChrome_(constraints.video);
-    }
-    logging('chrome: ' + JSON.stringify(constraints));
-    return func(constraints);
-  };
-
-  var shimError_ = function shimError_(e) {
-    if (browserDetails.version >= 64) {
-      return e;
-    }
-    return {
-      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 toString() {
-        return this.name + (this.message && ': ') + this.message;
-      }
-    };
-  };
-
-  var getUserMedia_ = function getUserMedia_(constraints, onSuccess, onError) {
-    shimConstraints_(constraints, function (c) {
-      navigator.webkitGetUserMedia(c, onSuccess, function (e) {
-        if (onError) {
-          onError(shimError_(e));
-        }
-      });
-    });
-  };
-  navigator.getUserMedia = getUserMedia_.bind(navigator);
-
-  // Even though Chrome 45 has navigator.mediaDevices and a getUserMedia
-  // function which returns a Promise, it does not accept spec-style
-  // constraints.
-  if (navigator.mediaDevices.getUserMedia) {
-    var origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);
-    navigator.mediaDevices.getUserMedia = function (cs) {
-      return shimConstraints_(cs, function (c) {
-        return origGetUserMedia(c).then(function (stream) {
-          if (c.audio && !stream.getAudioTracks().length || c.video && !stream.getVideoTracks().length) {
-            stream.getTracks().forEach(function (track) {
-              track.stop();
-            });
-            throw new DOMException('', 'NotFoundError');
-          }
-          return stream;
-        }, function (e) {
-          return Promise.reject(shimError_(e));
-        });
-      });
-    };
-  }
-}
-
-},{"../utils.js":11}],6:[function(require,module,exports){
-/*
- *  Copyright (c) 2017 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.
- */
-/* eslint-env node */
-'use strict';
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-
-var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
-
-exports.shimRTCIceCandidate = shimRTCIceCandidate;
-exports.shimRTCIceCandidateRelayProtocol = shimRTCIceCandidateRelayProtocol;
-exports.shimMaxMessageSize = shimMaxMessageSize;
-exports.shimSendThrowTypeError = shimSendThrowTypeError;
-exports.shimConnectionState = shimConnectionState;
-exports.removeExtmapAllowMixed = removeExtmapAllowMixed;
-exports.shimAddIceCandidateNullOrEmpty = shimAddIceCandidateNullOrEmpty;
-exports.shimParameterlessSetLocalDescription = shimParameterlessSetLocalDescription;
-
-var _sdp = require('sdp');
-
-var _sdp2 = _interopRequireDefault(_sdp);
-
-var _utils = require('./utils');
-
-var utils = _interopRequireWildcard(_utils);
-
-function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
-
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
-function shimRTCIceCandidate(window) {
-  // foundation is arbitrarily chosen as an indicator for full support for
-  // https://w3c.github.io/webrtc-pc/#rtcicecandidate-interface
-  if (!window.RTCIceCandidate || window.RTCIceCandidate && 'foundation' in window.RTCIceCandidate.prototype) {
-    return;
-  }
-
-  var NativeRTCIceCandidate = window.RTCIceCandidate;
-  window.RTCIceCandidate = function RTCIceCandidate(args) {
-    // Remove the a= which shouldn't be part of the candidate string.
-    if ((typeof args === 'undefined' ? 'undefined' : _typeof(args)) === 'object' && args.candidate && args.candidate.indexOf('a=') === 0) {
-      args = JSON.parse(JSON.stringify(args));
-      args.candidate = args.candidate.substr(2);
-    }
-
-    if (args.candidate && args.candidate.length) {
-      // Augment the native candidate with the parsed fields.
-      var nativeCandidate = new NativeRTCIceCandidate(args);
-      var parsedCandidate = _sdp2.default.parseCandidate(args.candidate);
-      var augmentedCandidate = Object.assign(nativeCandidate, parsedCandidate);
-
-      // Add a serializer that does not serialize the extra attributes.
-      augmentedCandidate.toJSON = function toJSON() {
-        return {
-          candidate: augmentedCandidate.candidate,
-          sdpMid: augmentedCandidate.sdpMid,
-          sdpMLineIndex: augmentedCandidate.sdpMLineIndex,
-          usernameFragment: augmentedCandidate.usernameFragment
-        };
-      };
-      return augmentedCandidate;
-    }
-    return new NativeRTCIceCandidate(args);
-  };
-  window.RTCIceCandidate.prototype = NativeRTCIceCandidate.prototype;
-
-  // Hook up the augmented candidate in onicecandidate and
-  // addEventListener('icecandidate', ...)
-  utils.wrapPeerConnectionEvent(window, 'icecandidate', function (e) {
-    if (e.candidate) {
-      Object.defineProperty(e, 'candidate', {
-        value: new window.RTCIceCandidate(e.candidate),
-        writable: 'false'
-      });
-    }
-    return e;
-  });
-}
-
-function shimRTCIceCandidateRelayProtocol(window) {
-  if (!window.RTCIceCandidate || window.RTCIceCandidate && 'relayProtocol' in window.RTCIceCandidate.prototype) {
-    return;
-  }
-
-  // Hook up the augmented candidate in onicecandidate and
-  // addEventListener('icecandidate', ...)
-  utils.wrapPeerConnectionEvent(window, 'icecandidate', function (e) {
-    if (e.candidate) {
-      var parsedCandidate = _sdp2.default.parseCandidate(e.candidate.candidate);
-      if (parsedCandidate.type === 'relay') {
-        // This is a libwebrtc-specific mapping of local type preference
-        // to relayProtocol.
-        e.candidate.relayProtocol = {
-          0: 'tls',
-          1: 'tcp',
-          2: 'udp'
-        }[parsedCandidate.priority >> 24];
-      }
-    }
-    return e;
-  });
-}
-
-function shimMaxMessageSize(window, browserDetails) {
-  if (!window.RTCPeerConnection) {
-    return;
-  }
-
-  if (!('sctp' in window.RTCPeerConnection.prototype)) {
-    Object.defineProperty(window.RTCPeerConnection.prototype, 'sctp', {
-      get: function get() {
-        return typeof this._sctp === 'undefined' ? null : this._sctp;
-      }
-    });
-  }
-
-  var sctpInDescription = function sctpInDescription(description) {
-    if (!description || !description.sdp) {
-      return false;
-    }
-    var sections = _sdp2.default.splitSections(description.sdp);
-    sections.shift();
-    return sections.some(function (mediaSection) {
-      var mLine = _sdp2.default.parseMLine(mediaSection);
-      return mLine && mLine.kind === 'application' && mLine.protocol.indexOf('SCTP') !== -1;
-    });
-  };
-
-  var getRemoteFirefoxVersion = function getRemoteFirefoxVersion(description) {
-    // TODO: Is there a better solution for detecting Firefox?
-    var match = description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);
-    if (match === null || match.length < 2) {
-      return -1;
-    }
-    var version = parseInt(match[1], 10);
-    // Test for NaN (yes, this is ugly)
-    return version !== version ? -1 : version;
-  };
-
-  var getCanSendMaxMessageSize = function getCanSendMaxMessageSize(remoteIsFirefox) {
-    // Every implementation we know can send at least 64 KiB.
-    // Note: Although Chrome is technically able to send up to 256 KiB, the
-    //       data does not reach the other peer reliably.
-    //       See: https://bugs.chromium.org/p/webrtc/issues/detail?id=8419
-    var canSendMaxMessageSize = 65536;
-    if (browserDetails.browser === 'firefox') {
-      if (browserDetails.version < 57) {
-        if (remoteIsFirefox === -1) {
-          // FF < 57 will send in 16 KiB chunks using the deprecated PPID
-          // fragmentation.
-          canSendMaxMessageSize = 16384;
-        } else {
-          // However, other FF (and RAWRTC) can reassemble PPID-fragmented
-          // messages. Thus, supporting ~2 GiB when sending.
-          canSendMaxMessageSize = 2147483637;
-        }
-      } else if (browserDetails.version < 60) {
-        // Currently, all FF >= 57 will reset the remote maximum message size
-        // to the default value when a data channel is created at a later
-        // stage. :(
-        // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
-        canSendMaxMessageSize = browserDetails.version === 57 ? 65535 : 65536;
-      } else {
-        // FF >= 60 supports sending ~2 GiB
-        canSendMaxMessageSize = 2147483637;
-      }
-    }
-    return canSendMaxMessageSize;
-  };
-
-  var getMaxMessageSize = function getMaxMessageSize(description, remoteIsFirefox) {
-    // Note: 65536 bytes is the default value from the SDP spec. Also,
-    //       every implementation we know supports receiving 65536 bytes.
-    var maxMessageSize = 65536;
-
-    // FF 57 has a slightly incorrect default remote max message size, so
-    // we need to adjust it here to avoid a failure when sending.
-    // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1425697
-    if (browserDetails.browser === 'firefox' && browserDetails.version === 57) {
-      maxMessageSize = 65535;
-    }
-
-    var match = _sdp2.default.matchPrefix(description.sdp, 'a=max-message-size:');
-    if (match.length > 0) {
-      maxMessageSize = parseInt(match[0].substr(19), 10);
-    } else if (browserDetails.browser === 'firefox' && remoteIsFirefox !== -1) {
-      // If the maximum message size is not present in the remote SDP and
-      // both local and remote are Firefox, the remote peer can receive
-      // ~2 GiB.
-      maxMessageSize = 2147483637;
-    }
-    return maxMessageSize;
-  };
-
-  var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;
-  window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {
-    this._sctp = null;
-    // Chrome decided to not expose .sctp in plan-b mode.
-    // As usual, adapter.js has to do an 'ugly worakaround'
-    // to cover up the mess.
-    if (browserDetails.browser === 'chrome' && browserDetails.version >= 76) {
-      var _getConfiguration = this.getConfiguration(),
-          sdpSemantics = _getConfiguration.sdpSemantics;
-
-      if (sdpSemantics === 'plan-b') {
-        Object.defineProperty(this, 'sctp', {
-          get: function get() {
-            return typeof this._sctp === 'undefined' ? null : this._sctp;
-          },
-
-          enumerable: true,
-          configurable: true
-        });
-      }
-    }
-
-    if (sctpInDescription(arguments[0])) {
-      // Check if the remote is FF.
-      var isFirefox = getRemoteFirefoxVersion(arguments[0]);
-
-      // Get the maximum message size the local peer is capable of sending
-      var canSendMMS = getCanSendMaxMessageSize(isFirefox);
-
-      // Get the maximum message size of the remote peer.
-      var remoteMMS = getMaxMessageSize(arguments[0], isFirefox);
-
-      // Determine final maximum message size
-      var maxMessageSize = void 0;
-      if (canSendMMS === 0 && remoteMMS === 0) {
-        maxMessageSize = Number.POSITIVE_INFINITY;
-      } else if (canSendMMS === 0 || remoteMMS === 0) {
-        maxMessageSize = Math.max(canSendMMS, remoteMMS);
-      } else {
-        maxMessageSize = Math.min(canSendMMS, remoteMMS);
-      }
-
-      // Create a dummy RTCSctpTransport object and the 'maxMessageSize'
-      // attribute.
-      var sctp = {};
-      Object.defineProperty(sctp, 'maxMessageSize', {
-        get: function get() {
-          return maxMessageSize;
-        }
-      });
-      this._sctp = sctp;
-    }
-
-    return origSetRemoteDescription.apply(this, arguments);
-  };
-}
-
-function shimSendThrowTypeError(window) {
-  if (!(window.RTCPeerConnection && 'createDataChannel' in window.RTCPeerConnection.prototype)) {
-    return;
-  }
-
-  // Note: Although Firefox >= 57 has a native implementation, the maximum
-  //       message size can be reset for all data channels at a later stage.
-  //       See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
-
-  function wrapDcSend(dc, pc) {
-    var origDataChannelSend = dc.send;
-    dc.send = function send() {
-      var data = arguments[0];
-      var length = data.length || data.size || data.byteLength;
-      if (dc.readyState === 'open' && pc.sctp && length > pc.sctp.maxMessageSize) {
-        throw new TypeError('Message too large (can send a maximum of ' + pc.sctp.maxMessageSize + ' bytes)');
-      }
-      return origDataChannelSend.apply(dc, arguments);
-    };
-  }
-  var origCreateDataChannel = window.RTCPeerConnection.prototype.createDataChannel;
-  window.RTCPeerConnection.prototype.createDataChannel = function createDataChannel() {
-    var dataChannel = origCreateDataChannel.apply(this, arguments);
-    wrapDcSend(dataChannel, this);
-    return dataChannel;
-  };
-  utils.wrapPeerConnectionEvent(window, 'datachannel', function (e) {
-    wrapDcSend(e.channel, e.target);
-    return e;
-  });
-}
-
-/* shims RTCConnectionState by pretending it is the same as iceConnectionState.
- * See https://bugs.chromium.org/p/webrtc/issues/detail?id=6145#c12
- * for why this is a valid hack in Chrome. In Firefox it is slightly incorrect
- * since DTLS failures would be hidden. See
- * https://bugzilla.mozilla.org/show_bug.cgi?id=1265827
- * for the Firefox tracking bug.
- */
-function shimConnectionState(window) {
-  if (!window.RTCPeerConnection || 'connectionState' in window.RTCPeerConnection.prototype) {
-    return;
-  }
-  var proto = window.RTCPeerConnection.prototype;
-  Object.defineProperty(proto, 'connectionState', {
-    get: function get() {
-      return {
-        completed: 'connected',
-        checking: 'connecting'
-      }[this.iceConnectionState] || this.iceConnectionState;
-    },
-
-    enumerable: true,
-    configurable: true
-  });
-  Object.defineProperty(proto, 'onconnectionstatechange', {
-    get: function get() {
-      return this._onconnectionstatechange || null;
-    },
-    set: function set(cb) {
-      if (this._onconnectionstatechange) {
-        this.removeEventListener('connectionstatechange', this._onconnectionstatechange);
-        delete this._onconnectionstatechange;
-      }
-      if (cb) {
-        this.addEventListener('connectionstatechange', this._onconnectionstatechange = cb);
-      }
-    },
-
-    enumerable: true,
-    configurable: true
-  });
-
-  ['setLocalDescription', 'setRemoteDescription'].forEach(function (method) {
-    var origMethod = proto[method];
-    proto[method] = function () {
-      if (!this._connectionstatechangepoly) {
-        this._connectionstatechangepoly = function (e) {
-          var pc = e.target;
-          if (pc._lastConnectionState !== pc.connectionState) {
-            pc._lastConnectionState = pc.connectionState;
-            var newEvent = new Event('connectionstatechange', e);
-            pc.dispatchEvent(newEvent);
-          }
-          return e;
-        };
-        this.addEventListener('iceconnectionstatechange', this._connectionstatechangepoly);
-      }
-      return origMethod.apply(this, arguments);
-    };
-  });
-}
-
-function removeExtmapAllowMixed(window, browserDetails) {
-  /* remove a=extmap-allow-mixed for webrtc.org < M71 */
-  if (!window.RTCPeerConnection) {
-    return;
-  }
-  if (browserDetails.browser === 'chrome' && browserDetails.version >= 71) {
-    return;
-  }
-  if (browserDetails.browser === 'safari' && browserDetails.version >= 605) {
-    return;
-  }
-  var nativeSRD = window.RTCPeerConnection.prototype.setRemoteDescription;
-  window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription(desc) {
-    if (desc && desc.sdp && desc.sdp.indexOf('\na=extmap-allow-mixed') !== -1) {
-      var sdp = desc.sdp.split('\n').filter(function (line) {
-        return line.trim() !== 'a=extmap-allow-mixed';
-      }).join('\n');
-      // Safari enforces read-only-ness of RTCSessionDescription fields.
-      if (window.RTCSessionDescription && desc instanceof window.RTCSessionDescription) {
-        arguments[0] = new window.RTCSessionDescription({
-          type: desc.type,
-          sdp: sdp
-        });
-      } else {
-        desc.sdp = sdp;
-      }
-    }
-    return nativeSRD.apply(this, arguments);
-  };
-}
-
-function shimAddIceCandidateNullOrEmpty(window, browserDetails) {
-  // Support for addIceCandidate(null or undefined)
-  // as well as addIceCandidate({candidate: "", ...})
-  // https://bugs.chromium.org/p/chromium/issues/detail?id=978582
-  // Note: must be called before other polyfills which change the signature.
-  if (!(window.RTCPeerConnection && window.RTCPeerConnection.prototype)) {
-    return;
-  }
-  var nativeAddIceCandidate = window.RTCPeerConnection.prototype.addIceCandidate;
-  if (!nativeAddIceCandidate || nativeAddIceCandidate.length === 0) {
-    return;
-  }
-  window.RTCPeerConnection.prototype.addIceCandidate = function addIceCandidate() {
-    if (!arguments[0]) {
-      if (arguments[1]) {
-        arguments[1].apply(null);
-      }
-      return Promise.resolve();
-    }
-    // Firefox 68+ emits and processes {candidate: "", ...}, ignore
-    // in older versions.
-    // Native support for ignoring exists for Chrome M77+.
-    // Safari ignores as well, exact version unknown but works in the same
-    // version that also ignores addIceCandidate(null).
-    if ((browserDetails.browser === 'chrome' && browserDetails.version < 78 || browserDetails.browser === 'firefox' && browserDetails.version < 68 || browserDetails.browser === 'safari') && arguments[0] && arguments[0].candidate === '') {
-      return Promise.resolve();
-    }
-    return nativeAddIceCandidate.apply(this, arguments);
-  };
-}
-
-// Note: Make sure to call this ahead of APIs that modify
-// setLocalDescription.length
-function shimParameterlessSetLocalDescription(window, browserDetails) {
-  if (!(window.RTCPeerConnection && window.RTCPeerConnection.prototype)) {
-    return;
-  }
-  var nativeSetLocalDescription = window.RTCPeerConnection.prototype.setLocalDescription;
-  if (!nativeSetLocalDescription || nativeSetLocalDescription.length === 0) {
-    return;
-  }
-  window.RTCPeerConnection.prototype.setLocalDescription = function setLocalDescription() {
-    var _this = this;
-
-    var desc = arguments[0] || {};
-    if ((typeof desc === 'undefined' ? 'undefined' : _typeof(desc)) !== 'object' || desc.type && desc.sdp) {
-      return nativeSetLocalDescription.apply(this, arguments);
-    }
-    // The remaining steps should technically happen when SLD comes off the
-    // RTCPeerConnection's operations chain (not ahead of going on it), but
-    // this is too difficult to shim. Instead, this shim only covers the
-    // common case where the operations chain is empty. This is imperfect, but
-    // should cover many cases. Rationale: Even if we can't reduce the glare
-    // window to zero on imperfect implementations, there's value in tapping
-    // into the perfect negotiation pattern that several browsers support.
-    desc = { type: desc.type, sdp: desc.sdp };
-    if (!desc.type) {
-      switch (this.signalingState) {
-        case 'stable':
-        case 'have-local-offer':
-        case 'have-remote-pranswer':
-          desc.type = 'offer';
-          break;
-        default:
-          desc.type = 'answer';
-          break;
-      }
-    }
-    if (desc.sdp || desc.type !== 'offer' && desc.type !== 'answer') {
-      return nativeSetLocalDescription.apply(this, [desc]);
-    }
-    var func = desc.type === 'offer' ? this.createOffer : this.createAnswer;
-    return func.apply(this).then(function (d) {
-      return nativeSetLocalDescription.apply(_this, [d]);
-    });
-  };
-}
-
-},{"./utils":11,"sdp":12}],7:[function(require,module,exports){
-/*
- *  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.
- */
-/* eslint-env node */
-'use strict';
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-exports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined;
-
-var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
-
-var _getusermedia = require('./getusermedia');
-
-Object.defineProperty(exports, 'shimGetUserMedia', {
-  enumerable: true,
-  get: function get() {
-    return _getusermedia.shimGetUserMedia;
-  }
-});
-
-var _getdisplaymedia = require('./getdisplaymedia');
-
-Object.defineProperty(exports, 'shimGetDisplayMedia', {
-  enumerable: true,
-  get: function get() {
-    return _getdisplaymedia.shimGetDisplayMedia;
-  }
-});
-exports.shimOnTrack = shimOnTrack;
-exports.shimPeerConnection = shimPeerConnection;
-exports.shimSenderGetStats = shimSenderGetStats;
-exports.shimReceiverGetStats = shimReceiverGetStats;
-exports.shimRemoveStream = shimRemoveStream;
-exports.shimRTCDataChannel = shimRTCDataChannel;
-exports.shimAddTransceiver = shimAddTransceiver;
-exports.shimGetParameters = shimGetParameters;
-exports.shimCreateOffer = shimCreateOffer;
-exports.shimCreateAnswer = shimCreateAnswer;
-
-var _utils = require('../utils');
-
-var utils = _interopRequireWildcard(_utils);
-
-function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
-
-function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
-
-function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
-
-function shimOnTrack(window) {
-  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCTrackEvent && 'receiver' in window.RTCTrackEvent.prototype && !('transceiver' in window.RTCTrackEvent.prototype)) {
-    Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
-      get: function get() {
-        return { receiver: this.receiver };
-      }
-    });
-  }
-}
-
-function shimPeerConnection(window, browserDetails) {
-  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !(window.RTCPeerConnection || window.mozRTCPeerConnection)) {
-    return; // probably media.peerconnection.enabled=false in about:config
-  }
-  if (!window.RTCPeerConnection && window.mozRTCPeerConnection) {
-    // very basic support for old versions.
-    window.RTCPeerConnection = window.mozRTCPeerConnection;
-  }
-
-  if (browserDetails.version < 53) {
-    // shim away need for obsolete RTCIceCandidate/RTCSessionDescription.
-    ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'].forEach(function (method) {
-      var nativeMethod = window.RTCPeerConnection.prototype[method];
-      var methodObj = _defineProperty({}, method, function () {
-        arguments[0] = new (method === 'addIceCandidate' ? window.RTCIceCandidate : window.RTCSessionDescription)(arguments[0]);
-        return nativeMethod.apply(this, arguments);
-      });
-      window.RTCPeerConnection.prototype[method] = methodObj[method];
-    });
-  }
-
-  var modernStatsTypes = {
-    inboundrtp: 'inbound-rtp',
-    outboundrtp: 'outbound-rtp',
-    candidatepair: 'candidate-pair',
-    localcandidate: 'local-candidate',
-    remotecandidate: 'remote-candidate'
-  };
-
-  var nativeGetStats = window.RTCPeerConnection.prototype.getStats;
-  window.RTCPeerConnection.prototype.getStats = function getStats() {
-    var _arguments = Array.prototype.slice.call(arguments),
-        selector = _arguments[0],
-        onSucc = _arguments[1],
-        onErr = _arguments[2];
-
-    return nativeGetStats.apply(this, [selector || null]).then(function (stats) {
-      if (browserDetails.version < 53 && !onSucc) {
-        // Shim only promise getStats with spec-hyphens in type names
-        // Leave callback version alone; misc old uses of forEach before Map
-        try {
-          stats.forEach(function (stat) {
-            stat.type = modernStatsTypes[stat.type] || stat.type;
-          });
-        } catch (e) {
-          if (e.name !== 'TypeError') {
-            throw e;
-          }
-          // Avoid TypeError: "type" is read-only, in old versions. 34-43ish
-          stats.forEach(function (stat, i) {
-            stats.set(i, Object.assign({}, stat, {
-              type: modernStatsTypes[stat.type] || stat.type
-            }));
-          });
-        }
-      }
-      return stats;
-    }).then(onSucc, onErr);
-  };
-}
-
-function shimSenderGetStats(window) {
-  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && window.RTCRtpSender)) {
-    return;
-  }
-  if (window.RTCRtpSender && 'getStats' in window.RTCRtpSender.prototype) {
-    return;
-  }
-  var origGetSenders = window.RTCPeerConnection.prototype.getSenders;
-  if (origGetSenders) {
-    window.RTCPeerConnection.prototype.getSenders = function getSenders() {
-      var _this = this;
-
-      var senders = origGetSenders.apply(this, []);
-      senders.forEach(function (sender) {
-        return sender._pc = _this;
-      });
-      return senders;
-    };
-  }
-
-  var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
-  if (origAddTrack) {
-    window.RTCPeerConnection.prototype.addTrack = function addTrack() {
-      var sender = origAddTrack.apply(this, arguments);
-      sender._pc = this;
-      return sender;
-    };
-  }
-  window.RTCRtpSender.prototype.getStats = function getStats() {
-    return this.track ? this._pc.getStats(this.track) : Promise.resolve(new Map());
-  };
-}
-
-function shimReceiverGetStats(window) {
-  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && window.RTCRtpSender)) {
-    return;
-  }
-  if (window.RTCRtpSender && 'getStats' in window.RTCRtpReceiver.prototype) {
-    return;
-  }
-  var origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;
-  if (origGetReceivers) {
-    window.RTCPeerConnection.prototype.getReceivers = function getReceivers() {
-      var _this2 = this;
-
-      var receivers = origGetReceivers.apply(this, []);
-      receivers.forEach(function (receiver) {
-        return receiver._pc = _this2;
-      });
-      return receivers;
-    };
-  }
-  utils.wrapPeerConnectionEvent(window, 'track', function (e) {
-    e.receiver._pc = e.srcElement;
-    return e;
-  });
-  window.RTCRtpReceiver.prototype.getStats = function getStats() {
-    return this._pc.getStats(this.track);
-  };
-}
-
-function shimRemoveStream(window) {
-  if (!window.RTCPeerConnection || 'removeStream' in window.RTCPeerConnection.prototype) {
-    return;
-  }
-  window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {
-    var _this3 = this;
-
-    utils.deprecated('removeStream', 'removeTrack');
-    this.getSenders().forEach(function (sender) {
-      if (sender.track && stream.getTracks().includes(sender.track)) {
-        _this3.removeTrack(sender);
-      }
-    });
-  };
-}
-
-function shimRTCDataChannel(window) {
-  // rename DataChannel to RTCDataChannel (native fix in FF60):
-  // https://bugzilla.mozilla.org/show_bug.cgi?id=1173851
-  if (window.DataChannel && !window.RTCDataChannel) {
-    window.RTCDataChannel = window.DataChannel;
-  }
-}
-
-function shimAddTransceiver(window) {
-  // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647
-  // Firefox ignores the init sendEncodings options passed to addTransceiver
-  // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918
-  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection)) {
-    return;
-  }
-  var origAddTransceiver = window.RTCPeerConnection.prototype.addTransceiver;
-  if (origAddTransceiver) {
-    window.RTCPeerConnection.prototype.addTransceiver = function addTransceiver() {
-      this.setParametersPromises = [];
-      // WebIDL input coercion and validation
-      var sendEncodings = arguments[1] && arguments[1].sendEncodings;
-      if (sendEncodings === undefined) {
-        sendEncodings = [];
-      }
-      sendEncodings = [].concat(_toConsumableArray(sendEncodings));
-      var shouldPerformCheck = sendEncodings.length > 0;
-      if (shouldPerformCheck) {
-        // If sendEncodings params are provided, validate grammar
-        sendEncodings.forEach(function (encodingParam) {
-          if ('rid' in encodingParam) {
-            var ridRegex = /^[a-z0-9]{0,16}$/i;
-            if (!ridRegex.test(encodingParam.rid)) {
-              throw new TypeError('Invalid RID value provided.');
-            }
-          }
-          if ('scaleResolutionDownBy' in encodingParam) {
-            if (!(parseFloat(encodingParam.scaleResolutionDownBy) >= 1.0)) {
-              throw new RangeError('scale_resolution_down_by must be >= 1.0');
-            }
-          }
-          if ('maxFramerate' in encodingParam) {
-            if (!(parseFloat(encodingParam.maxFramerate) >= 0)) {
-              throw new RangeError('max_framerate must be >= 0.0');
-            }
-          }
-        });
-      }
-      var transceiver = origAddTransceiver.apply(this, arguments);
-      if (shouldPerformCheck) {
-        // Check if the init options were applied. If not we do this in an
-        // asynchronous way and save the promise reference in a global object.
-        // This is an ugly hack, but at the same time is way more robust than
-        // checking the sender parameters before and after the createOffer
-        // Also note that after the createoffer we are not 100% sure that
-        // the params were asynchronously applied so we might miss the
-        // opportunity to recreate offer.
-        var sender = transceiver.sender;
-
-        var params = sender.getParameters();
-        if (!('encodings' in params) ||
-        // Avoid being fooled by patched getParameters() below.
-        params.encodings.length === 1 && Object.keys(params.encodings[0]).length === 0) {
-          params.encodings = sendEncodings;
-          sender.sendEncodings = sendEncodings;
-          this.setParametersPromises.push(sender.setParameters(params).then(function () {
-            delete sender.sendEncodings;
-          }).catch(function () {
-            delete sender.sendEncodings;
-          }));
-        }
-      }
-      return transceiver;
-    };
-  }
-}
-
-function shimGetParameters(window) {
-  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCRtpSender)) {
-    return;
-  }
-  var origGetParameters = window.RTCRtpSender.prototype.getParameters;
-  if (origGetParameters) {
-    window.RTCRtpSender.prototype.getParameters = function getParameters() {
-      var params = origGetParameters.apply(this, arguments);
-      if (!('encodings' in params)) {
-        params.encodings = [].concat(this.sendEncodings || [{}]);
-      }
-      return params;
-    };
-  }
-}
-
-function shimCreateOffer(window) {
-  // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647
-  // Firefox ignores the init sendEncodings options passed to addTransceiver
-  // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918
-  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection)) {
-    return;
-  }
-  var origCreateOffer = window.RTCPeerConnection.prototype.createOffer;
-  window.RTCPeerConnection.prototype.createOffer = function createOffer() {
-    var _this4 = this,
-        _arguments2 = arguments;
-
-    if (this.setParametersPromises && this.setParametersPromises.length) {
-      return Promise.all(this.setParametersPromises).then(function () {
-        return origCreateOffer.apply(_this4, _arguments2);
-      }).finally(function () {
-        _this4.setParametersPromises = [];
-      });
-    }
-    return origCreateOffer.apply(this, arguments);
-  };
-}
-
-function shimCreateAnswer(window) {
-  // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647
-  // Firefox ignores the init sendEncodings options passed to addTransceiver
-  // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918
-  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection)) {
-    return;
-  }
-  var origCreateAnswer = window.RTCPeerConnection.prototype.createAnswer;
-  window.RTCPeerConnection.prototype.createAnswer = function createAnswer() {
-    var _this5 = this,
-        _arguments3 = arguments;
-
-    if (this.setParametersPromises && this.setParametersPromises.length) {
-      return Promise.all(this.setParametersPromises).then(function () {
-        return origCreateAnswer.apply(_this5, _arguments3);
-      }).finally(function () {
-        _this5.setParametersPromises = [];
-      });
-    }
-    return origCreateAnswer.apply(this, arguments);
-  };
-}
-
-},{"../utils":11,"./getdisplaymedia":8,"./getusermedia":9}],8:[function(require,module,exports){
-/*
- *  Copyright (c) 2018 The adapter.js 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.
- */
-/* eslint-env node */
-'use strict';
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-exports.shimGetDisplayMedia = shimGetDisplayMedia;
-function shimGetDisplayMedia(window, preferredMediaSource) {
-  if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {
-    return;
-  }
-  if (!window.navigator.mediaDevices) {
-    return;
-  }
-  window.navigator.mediaDevices.getDisplayMedia = function getDisplayMedia(constraints) {
-    if (!(constraints && constraints.video)) {
-      var err = new DOMException('getDisplayMedia without video ' + 'constraints is undefined');
-      err.name = 'NotFoundError';
-      // from https://heycam.github.io/webidl/#idl-DOMException-error-names
-      err.code = 8;
-      return Promise.reject(err);
-    }
-    if (constraints.video === true) {
-      constraints.video = { mediaSource: preferredMediaSource };
-    } else {
-      constraints.video.mediaSource = preferredMediaSource;
-    }
-    return window.navigator.mediaDevices.getUserMedia(constraints);
-  };
-}
-
-},{}],9:[function(require,module,exports){
-/*
- *  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.
- */
-/* eslint-env node */
-'use strict';
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-
-var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
-
-exports.shimGetUserMedia = shimGetUserMedia;
-
-var _utils = require('../utils');
-
-var utils = _interopRequireWildcard(_utils);
-
-function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
-
-function shimGetUserMedia(window, browserDetails) {
-  var navigator = window && window.navigator;
-  var MediaStreamTrack = window && window.MediaStreamTrack;
-
-  navigator.getUserMedia = function (constraints, onSuccess, onError) {
-    // Replace Firefox 44+'s deprecation warning with unprefixed version.
-    utils.deprecated('navigator.getUserMedia', 'navigator.mediaDevices.getUserMedia');
-    navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);
-  };
-
-  if (!(browserDetails.version > 55 && 'autoGainControl' in navigator.mediaDevices.getSupportedConstraints())) {
-    var remap = function remap(obj, a, b) {
-      if (a in obj && !(b in obj)) {
-        obj[b] = obj[a];
-        delete obj[a];
-      }
-    };
-
-    var nativeGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);
-    navigator.mediaDevices.getUserMedia = function (c) {
-      if ((typeof c === 'undefined' ? 'undefined' : _typeof(c)) === 'object' && _typeof(c.audio) === 'object') {
-        c = JSON.parse(JSON.stringify(c));
-        remap(c.audio, 'autoGainControl', 'mozAutoGainControl');
-        remap(c.audio, 'noiseSuppression', 'mozNoiseSuppression');
-      }
-      return nativeGetUserMedia(c);
-    };
-
-    if (MediaStreamTrack && MediaStreamTrack.prototype.getSettings) {
-      var nativeGetSettings = MediaStreamTrack.prototype.getSettings;
-      MediaStreamTrack.prototype.getSettings = function () {
-        var obj = nativeGetSettings.apply(this, arguments);
-        remap(obj, 'mozAutoGainControl', 'autoGainControl');
-        remap(obj, 'mozNoiseSuppression', 'noiseSuppression');
-        return obj;
-      };
-    }
-
-    if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) {
-      var nativeApplyConstraints = MediaStreamTrack.prototype.applyConstraints;
-      MediaStreamTrack.prototype.applyConstraints = function (c) {
-        if (this.kind === 'audio' && (typeof c === 'undefined' ? 'undefined' : _typeof(c)) === 'object') {
-          c = JSON.parse(JSON.stringify(c));
-          remap(c, 'autoGainControl', 'mozAutoGainControl');
-          remap(c, 'noiseSuppression', 'mozNoiseSuppression');
-        }
-        return nativeApplyConstraints.apply(this, [c]);
-      };
-    }
-  }
-}
-
-},{"../utils":11}],10:[function(require,module,exports){
-/*
- *  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.
- */
-'use strict';
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-
-var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
-
-exports.shimLocalStreamsAPI = shimLocalStreamsAPI;
-exports.shimRemoteStreamsAPI = shimRemoteStreamsAPI;
-exports.shimCallbacksAPI = shimCallbacksAPI;
-exports.shimGetUserMedia = shimGetUserMedia;
-exports.shimConstraints = shimConstraints;
-exports.shimRTCIceServerUrls = shimRTCIceServerUrls;
-exports.shimTrackEventTransceiver = shimTrackEventTransceiver;
-exports.shimCreateOfferLegacy = shimCreateOfferLegacy;
-exports.shimAudioContext = shimAudioContext;
-
-var _utils = require('../utils');
-
-var utils = _interopRequireWildcard(_utils);
-
-function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
-
-function shimLocalStreamsAPI(window) {
-  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) {
-    return;
-  }
-  if (!('getLocalStreams' in window.RTCPeerConnection.prototype)) {
-    window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {
-      if (!this._localStreams) {
-        this._localStreams = [];
-      }
-      return this._localStreams;
-    };
-  }
-  if (!('addStream' in window.RTCPeerConnection.prototype)) {
-    var _addTrack = window.RTCPeerConnection.prototype.addTrack;
-    window.RTCPeerConnection.prototype.addStream = function addStream(stream) {
-      var _this = this;
-
-      if (!this._localStreams) {
-        this._localStreams = [];
-      }
-      if (!this._localStreams.includes(stream)) {
-        this._localStreams.push(stream);
-      }
-      // Try to emulate Chrome's behaviour of adding in audio-video order.
-      // Safari orders by track id.
-      stream.getAudioTracks().forEach(function (track) {
-        return _addTrack.call(_this, track, stream);
-      });
-      stream.getVideoTracks().forEach(function (track) {
-        return _addTrack.call(_this, track, stream);
-      });
-    };
-
-    window.RTCPeerConnection.prototype.addTrack = function addTrack(track) {
-      var _this2 = this;
-
-      for (var _len = arguments.length, streams = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
-        streams[_key - 1] = arguments[_key];
-      }
-
-      if (streams) {
-        streams.forEach(function (stream) {
-          if (!_this2._localStreams) {
-            _this2._localStreams = [stream];
-          } else if (!_this2._localStreams.includes(stream)) {
-            _this2._localStreams.push(stream);
-          }
-        });
-      }
-      return _addTrack.apply(this, arguments);
-    };
-  }
-  if (!('removeStream' in window.RTCPeerConnection.prototype)) {
-    window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {
-      var _this3 = this;
-
-      if (!this._localStreams) {
-        this._localStreams = [];
-      }
-      var index = this._localStreams.indexOf(stream);
-      if (index === -1) {
-        return;
-      }
-      this._localStreams.splice(index, 1);
-      var tracks = stream.getTracks();
-      this.getSenders().forEach(function (sender) {
-        if (tracks.includes(sender.track)) {
-          _this3.removeTrack(sender);
-        }
-      });
-    };
-  }
-}
-
-function shimRemoteStreamsAPI(window) {
-  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) {
-    return;
-  }
-  if (!('getRemoteStreams' in window.RTCPeerConnection.prototype)) {
-    window.RTCPeerConnection.prototype.getRemoteStreams = function getRemoteStreams() {
-      return this._remoteStreams ? this._remoteStreams : [];
-    };
-  }
-  if (!('onaddstream' in window.RTCPeerConnection.prototype)) {
-    Object.defineProperty(window.RTCPeerConnection.prototype, 'onaddstream', {
-      get: function get() {
-        return this._onaddstream;
-      },
-      set: function set(f) {
-        var _this4 = this;
-
-        if (this._onaddstream) {
-          this.removeEventListener('addstream', this._onaddstream);
-          this.removeEventListener('track', this._onaddstreampoly);
-        }
-        this.addEventListener('addstream', this._onaddstream = f);
-        this.addEventListener('track', this._onaddstreampoly = function (e) {
-          e.streams.forEach(function (stream) {
-            if (!_this4._remoteStreams) {
-              _this4._remoteStreams = [];
-            }
-            if (_this4._remoteStreams.includes(stream)) {
-              return;
-            }
-            _this4._remoteStreams.push(stream);
-            var event = new Event('addstream');
-            event.stream = stream;
-            _this4.dispatchEvent(event);
-          });
-        });
-      }
-    });
-    var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;
-    window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {
-      var pc = this;
-      if (!this._onaddstreampoly) {
-        this.addEventListener('track', this._onaddstreampoly = function (e) {
-          e.streams.forEach(function (stream) {
-            if (!pc._remoteStreams) {
-              pc._remoteStreams = [];
-            }
-            if (pc._remoteStreams.indexOf(stream) >= 0) {
-              return;
-            }
-            pc._remoteStreams.push(stream);
-            var event = new Event('addstream');
-            event.stream = stream;
-            pc.dispatchEvent(event);
-          });
-        });
-      }
-      return origSetRemoteDescription.apply(pc, arguments);
-    };
-  }
-}
-
-function shimCallbacksAPI(window) {
-  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) {
-    return;
-  }
-  var prototype = window.RTCPeerConnection.prototype;
-  var origCreateOffer = prototype.createOffer;
-  var origCreateAnswer = prototype.createAnswer;
-  var setLocalDescription = prototype.setLocalDescription;
-  var setRemoteDescription = prototype.setRemoteDescription;
-  var addIceCandidate = prototype.addIceCandidate;
-
-  prototype.createOffer = function createOffer(successCallback, failureCallback) {
-    var options = arguments.length >= 2 ? arguments[2] : arguments[0];
-    var promise = origCreateOffer.apply(this, [options]);
-    if (!failureCallback) {
-      return promise;
-    }
-    promise.then(successCallback, failureCallback);
-    return Promise.resolve();
-  };
-
-  prototype.createAnswer = function createAnswer(successCallback, failureCallback) {
-    var options = arguments.length >= 2 ? arguments[2] : arguments[0];
-    var promise = origCreateAnswer.apply(this, [options]);
-    if (!failureCallback) {
-      return promise;
-    }
-    promise.then(successCallback, failureCallback);
-    return Promise.resolve();
-  };
-
-  var withCallback = function withCallback(description, successCallback, failureCallback) {
-    var promise = setLocalDescription.apply(this, [description]);
-    if (!failureCallback) {
-      return promise;
-    }
-    promise.then(successCallback, failureCallback);
-    return Promise.resolve();
-  };
-  prototype.setLocalDescription = withCallback;
-
-  withCallback = function withCallback(description, successCallback, failureCallback) {
-    var promise = setRemoteDescription.apply(this, [description]);
-    if (!failureCallback) {
-      return promise;
-    }
-    promise.then(successCallback, failureCallback);
-    return Promise.resolve();
-  };
-  prototype.setRemoteDescription = withCallback;
-
-  withCallback = function withCallback(candidate, successCallback, failureCallback) {
-    var promise = addIceCandidate.apply(this, [candidate]);
-    if (!failureCallback) {
-      return promise;
-    }
-    promise.then(successCallback, failureCallback);
-    return Promise.resolve();
-  };
-  prototype.addIceCandidate = withCallback;
-}
-
-function shimGetUserMedia(window) {
-  var navigator = window && window.navigator;
-
-  if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {
-    // shim not needed in Safari 12.1
-    var mediaDevices = navigator.mediaDevices;
-    var _getUserMedia = mediaDevices.getUserMedia.bind(mediaDevices);
-    navigator.mediaDevices.getUserMedia = function (constraints) {
-      return _getUserMedia(shimConstraints(constraints));
-    };
-  }
-
-  if (!navigator.getUserMedia && navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {
-    navigator.getUserMedia = function getUserMedia(constraints, cb, errcb) {
-      navigator.mediaDevices.getUserMedia(constraints).then(cb, errcb);
-    }.bind(navigator);
-  }
-}
-
-function shimConstraints(constraints) {
-  if (constraints && constraints.video !== undefined) {
-    return Object.assign({}, constraints, { video: utils.compactObject(constraints.video) });
-  }
-
-  return constraints;
-}
-
-function shimRTCIceServerUrls(window) {
-  if (!window.RTCPeerConnection) {
-    return;
-  }
-  // migrate from non-spec RTCIceServer.url to RTCIceServer.urls
-  var OrigPeerConnection = window.RTCPeerConnection;
-  window.RTCPeerConnection = function RTCPeerConnection(pcConfig, pcConstraints) {
-    if (pcConfig && pcConfig.iceServers) {
-      var newIceServers = [];
-      for (var i = 0; i < pcConfig.iceServers.length; i++) {
-        var server = pcConfig.iceServers[i];
-        if (!server.hasOwnProperty('urls') && server.hasOwnProperty('url')) {
-          utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');
-          server = JSON.parse(JSON.stringify(server));
-          server.urls = server.url;
-          delete server.url;
-          newIceServers.push(server);
-        } else {
-          newIceServers.push(pcConfig.iceServers[i]);
-        }
-      }
-      pcConfig.iceServers = newIceServers;
-    }
-    return new OrigPeerConnection(pcConfig, pcConstraints);
-  };
-  window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;
-  // wrap static methods. Currently just generateCertificate.
-  if ('generateCertificate' in OrigPeerConnection) {
-    Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
-      get: function get() {
-        return OrigPeerConnection.generateCertificate;
-      }
-    });
-  }
-}
-
-function shimTrackEventTransceiver(window) {
-  // Add event.transceiver member over deprecated event.receiver
-  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCTrackEvent && 'receiver' in window.RTCTrackEvent.prototype && !('transceiver' in window.RTCTrackEvent.prototype)) {
-    Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
-      get: function get() {
-        return { receiver: this.receiver };
-      }
-    });
-  }
-}
-
-function shimCreateOfferLegacy(window) {
-  var origCreateOffer = window.RTCPeerConnection.prototype.createOffer;
-  window.RTCPeerConnection.prototype.createOffer = function createOffer(offerOptions) {
-    if (offerOptions) {
-      if (typeof offerOptions.offerToReceiveAudio !== 'undefined') {
-        // support bit values
-        offerOptions.offerToReceiveAudio = !!offerOptions.offerToReceiveAudio;
-      }
-      var audioTransceiver = this.getTransceivers().find(function (transceiver) {
-        return transceiver.receiver.track.kind === 'audio';
-      });
-      if (offerOptions.offerToReceiveAudio === false && audioTransceiver) {
-        if (audioTransceiver.direction === 'sendrecv') {
-          if (audioTransceiver.setDirection) {
-            audioTransceiver.setDirection('sendonly');
-          } else {
-            audioTransceiver.direction = 'sendonly';
-          }
-        } else if (audioTransceiver.direction === 'recvonly') {
-          if (audioTransceiver.setDirection) {
-            audioTransceiver.setDirection('inactive');
-          } else {
-            audioTransceiver.direction = 'inactive';
-          }
-        }
-      } else if (offerOptions.offerToReceiveAudio === true && !audioTransceiver) {
-        this.addTransceiver('audio', { direction: 'recvonly' });
-      }
-
-      if (typeof offerOptions.offerToReceiveVideo !== 'undefined') {
-        // support bit values
-        offerOptions.offerToReceiveVideo = !!offerOptions.offerToReceiveVideo;
-      }
-      var videoTransceiver = this.getTransceivers().find(function (transceiver) {
-        return transceiver.receiver.track.kind === 'video';
-      });
-      if (offerOptions.offerToReceiveVideo === false && videoTransceiver) {
-        if (videoTransceiver.direction === 'sendrecv') {
-          if (videoTransceiver.setDirection) {
-            videoTransceiver.setDirection('sendonly');
-          } else {
-            videoTransceiver.direction = 'sendonly';
-          }
-        } else if (videoTransceiver.direction === 'recvonly') {
-          if (videoTransceiver.setDirection) {
-            videoTransceiver.setDirection('inactive');
-          } else {
-            videoTransceiver.direction = 'inactive';
-          }
-        }
-      } else if (offerOptions.offerToReceiveVideo === true && !videoTransceiver) {
-        this.addTransceiver('video', { direction: 'recvonly' });
-      }
-    }
-    return origCreateOffer.apply(this, arguments);
-  };
-}
-
-function shimAudioContext(window) {
-  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || window.AudioContext) {
-    return;
-  }
-  window.AudioContext = window.webkitAudioContext;
-}
-
-},{"../utils":11}],11:[function(require,module,exports){
-/*
- *  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.
- */
-/* eslint-env node */
-'use strict';
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-
-var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
-
-exports.extractVersion = extractVersion;
-exports.wrapPeerConnectionEvent = wrapPeerConnectionEvent;
-exports.disableLog = disableLog;
-exports.disableWarnings = disableWarnings;
-exports.log = log;
-exports.deprecated = deprecated;
-exports.detectBrowser = detectBrowser;
-exports.compactObject = compactObject;
-exports.walkStats = walkStats;
-exports.filterStats = filterStats;
-
-function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
-
-var logDisabled_ = true;
-var deprecationWarnings_ = true;
-
-/**
- * Extract browser version out of the provided user agent string.
- *
- * @param {!string} uastring userAgent string.
- * @param {!string} expr Regular expression used as match criteria.
- * @param {!number} pos position in the version string to be returned.
- * @return {!number} browser version.
- */
-function extractVersion(uastring, expr, pos) {
-  var match = uastring.match(expr);
-  return match && match.length >= pos && parseInt(match[pos], 10);
-}
-
-// Wraps the peerconnection event eventNameToWrap in a function
-// which returns the modified event object (or false to prevent
-// the event).
-function wrapPeerConnectionEvent(window, eventNameToWrap, wrapper) {
-  if (!window.RTCPeerConnection) {
-    return;
-  }
-  var proto = window.RTCPeerConnection.prototype;
-  var nativeAddEventListener = proto.addEventListener;
-  proto.addEventListener = function (nativeEventName, cb) {
-    if (nativeEventName !== eventNameToWrap) {
-      return nativeAddEventListener.apply(this, arguments);
-    }
-    var wrappedCallback = function wrappedCallback(e) {
-      var modifiedEvent = wrapper(e);
-      if (modifiedEvent) {
-        if (cb.handleEvent) {
-          cb.handleEvent(modifiedEvent);
-        } else {
-          cb(modifiedEvent);
-        }
-      }
-    };
-    this._eventMap = this._eventMap || {};
-    if (!this._eventMap[eventNameToWrap]) {
-      this._eventMap[eventNameToWrap] = new Map();
-    }
-    this._eventMap[eventNameToWrap].set(cb, wrappedCallback);
-    return nativeAddEventListener.apply(this, [nativeEventName, wrappedCallback]);
-  };
-
-  var nativeRemoveEventListener = proto.removeEventListener;
-  proto.removeEventListener = function (nativeEventName, cb) {
-    if (nativeEventName !== eventNameToWrap || !this._eventMap || !this._eventMap[eventNameToWrap]) {
-      return nativeRemoveEventListener.apply(this, arguments);
-    }
-    if (!this._eventMap[eventNameToWrap].has(cb)) {
-      return nativeRemoveEventListener.apply(this, arguments);
-    }
-    var unwrappedCb = this._eventMap[eventNameToWrap].get(cb);
-    this._eventMap[eventNameToWrap].delete(cb);
-    if (this._eventMap[eventNameToWrap].size === 0) {
-      delete this._eventMap[eventNameToWrap];
-    }
-    if (Object.keys(this._eventMap).length === 0) {
-      delete this._eventMap;
-    }
-    return nativeRemoveEventListener.apply(this, [nativeEventName, unwrappedCb]);
-  };
-
-  Object.defineProperty(proto, 'on' + eventNameToWrap, {
-    get: function get() {
-      return this['_on' + eventNameToWrap];
-    },
-    set: function set(cb) {
-      if (this['_on' + eventNameToWrap]) {
-        this.removeEventListener(eventNameToWrap, this['_on' + eventNameToWrap]);
-        delete this['_on' + eventNameToWrap];
-      }
-      if (cb) {
-        this.addEventListener(eventNameToWrap, this['_on' + eventNameToWrap] = cb);
-      }
-    },
-
-    enumerable: true,
-    configurable: true
-  });
-}
-
-function disableLog(bool) {
-  if (typeof bool !== 'boolean') {
-    return new Error('Argument type: ' + (typeof bool === 'undefined' ? 'undefined' : _typeof(bool)) + '. Please use a boolean.');
-  }
-  logDisabled_ = bool;
-  return bool ? 'adapter.js logging disabled' : 'adapter.js logging enabled';
-}
-
-/**
- * Disable or enable deprecation warnings
- * @param {!boolean} bool set to true to disable warnings.
- */
-function disableWarnings(bool) {
-  if (typeof bool !== 'boolean') {
-    return new Error('Argument type: ' + (typeof bool === 'undefined' ? 'undefined' : _typeof(bool)) + '. Please use a boolean.');
-  }
-  deprecationWarnings_ = !bool;
-  return 'adapter.js deprecation warnings ' + (bool ? 'disabled' : 'enabled');
-}
-
-function log() {
-  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object') {
-    if (logDisabled_) {
-      return;
-    }
-    if (typeof console !== 'undefined' && typeof console.log === 'function') {
-      console.log.apply(console, arguments);
-    }
-  }
-}
-
-/**
- * Shows a deprecation warning suggesting the modern and spec-compatible API.
- */
-function deprecated(oldMethod, newMethod) {
-  if (!deprecationWarnings_) {
-    return;
-  }
-  console.warn(oldMethod + ' is deprecated, please use ' + newMethod + ' instead.');
-}
-
-/**
- * Browser detector.
- *
- * @return {object} result containing browser and version
- *     properties.
- */
-function detectBrowser(window) {
-  // Returned result object.
-  var result = { browser: null, version: null };
-
-  // Fail early if it's not a browser
-  if (typeof window === 'undefined' || !window.navigator) {
-    result.browser = 'Not a browser.';
-    return result;
-  }
-
-  var navigator = window.navigator;
-
-
-  if (navigator.mozGetUserMedia) {
-    // Firefox.
-    result.browser = 'firefox';
-    result.version = extractVersion(navigator.userAgent, /Firefox\/(\d+)\./, 1);
-  } else if (navigator.webkitGetUserMedia || window.isSecureContext === false && window.webkitRTCPeerConnection) {
-    // Chrome, Chromium, Webview, Opera.
-    // Version matches Chrome/WebRTC version.
-    // Chrome 74 removed webkitGetUserMedia on http as well so we need the
-    // more complicated fallback to webkitRTCPeerConnection.
-    result.browser = 'chrome';
-    result.version = extractVersion(navigator.userAgent, /Chrom(e|ium)\/(\d+)\./, 2);
-  } else if (window.RTCPeerConnection && navigator.userAgent.match(/AppleWebKit\/(\d+)\./)) {
-    // Safari.
-    result.browser = 'safari';
-    result.version = extractVersion(navigator.userAgent, /AppleWebKit\/(\d+)\./, 1);
-    result.supportsUnifiedPlan = window.RTCRtpTransceiver && 'currentDirection' in window.RTCRtpTransceiver.prototype;
-  } else {
-    // Default fallthrough: not supported.
-    result.browser = 'Not a supported browser.';
-    return result;
-  }
-
-  return result;
-}
-
-/**
- * Checks if something is an object.
- *
- * @param {*} val The something you want to check.
- * @return true if val is an object, false otherwise.
- */
-function isObject(val) {
-  return Object.prototype.toString.call(val) === '[object Object]';
-}
-
-/**
- * Remove all empty objects and undefined values
- * from a nested object -- an enhanced and vanilla version
- * of Lodash's `compact`.
- */
-function compactObject(data) {
-  if (!isObject(data)) {
-    return data;
-  }
-
-  return Object.keys(data).reduce(function (accumulator, key) {
-    var isObj = isObject(data[key]);
-    var value = isObj ? compactObject(data[key]) : data[key];
-    var isEmptyObject = isObj && !Object.keys(value).length;
-    if (value === undefined || isEmptyObject) {
-      return accumulator;
-    }
-    return Object.assign(accumulator, _defineProperty({}, key, value));
-  }, {});
-}
-
-/* iterates the stats graph recursively. */
-function walkStats(stats, base, resultSet) {
-  if (!base || resultSet.has(base.id)) {
-    return;
-  }
-  resultSet.set(base.id, base);
-  Object.keys(base).forEach(function (name) {
-    if (name.endsWith('Id')) {
-      walkStats(stats, stats.get(base[name]), resultSet);
-    } else if (name.endsWith('Ids')) {
-      base[name].forEach(function (id) {
-        walkStats(stats, stats.get(id), resultSet);
-      });
-    }
-  });
-}
-
-/* filter getStats for a sender/receiver track. */
-function filterStats(result, track, outbound) {
-  var streamStatsType = outbound ? 'outbound-rtp' : 'inbound-rtp';
-  var filteredResult = new Map();
-  if (track === null) {
-    return filteredResult;
-  }
-  var trackStats = [];
-  result.forEach(function (value) {
-    if (value.type === 'track' && value.trackIdentifier === track.id) {
-      trackStats.push(value);
-    }
-  });
-  trackStats.forEach(function (trackStat) {
-    result.forEach(function (stats) {
-      if (stats.type === streamStatsType && stats.trackId === trackStat.id) {
-        walkStats(result, stats, filteredResult);
-      }
-    });
-  });
-  return filteredResult;
-}
-
-},{}],12:[function(require,module,exports){
-/* eslint-env node */
-'use strict';
-
-// SDP helpers.
-
-var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
-
-var SDPUtils = {};
-
-// Generate an alphanumeric identifier for cname or mids.
-// TODO: use UUIDs instead? https://gist.github.com/jed/982883
-SDPUtils.generateIdentifier = function () {
-  return Math.random().toString(36).substr(2, 10);
-};
-
-// The RTCP CNAME used by all peerconnections from the same JS.
-SDPUtils.localCName = SDPUtils.generateIdentifier();
-
-// Splits SDP into lines, dealing with both CRLF and LF.
-SDPUtils.splitLines = function (blob) {
-  return blob.trim().split('\n').map(function (line) {
-    return line.trim();
-  });
-};
-// Splits SDP into sessionpart and mediasections. Ensures CRLF.
-SDPUtils.splitSections = function (blob) {
-  var parts = blob.split('\nm=');
-  return parts.map(function (part, index) {
-    return (index > 0 ? 'm=' + part : part).trim() + '\r\n';
-  });
-};
-
-// Returns the session description.
-SDPUtils.getDescription = function (blob) {
-  var sections = SDPUtils.splitSections(blob);
-  return sections && sections[0];
-};
-
-// Returns the individual media sections.
-SDPUtils.getMediaSections = function (blob) {
-  var sections = SDPUtils.splitSections(blob);
-  sections.shift();
-  return sections;
-};
-
-// Returns lines that start with a certain prefix.
-SDPUtils.matchPrefix = function (blob, prefix) {
-  return SDPUtils.splitLines(blob).filter(function (line) {
-    return line.indexOf(prefix) === 0;
-  });
-};
-
-// Parses an ICE candidate line. Sample input:
-// candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8
-// rport 55996"
-// Input can be prefixed with a=.
-SDPUtils.parseCandidate = function (line) {
-  var parts = void 0;
-  // Parse both variants.
-  if (line.indexOf('a=candidate:') === 0) {
-    parts = line.substring(12).split(' ');
-  } else {
-    parts = line.substring(10).split(' ');
-  }
-
-  var candidate = {
-    foundation: parts[0],
-    component: { 1: 'rtp', 2: 'rtcp' }[parts[1]] || parts[1],
-    protocol: parts[2].toLowerCase(),
-    priority: parseInt(parts[3], 10),
-    ip: parts[4],
-    address: parts[4], // address is an alias for ip.
-    port: parseInt(parts[5], 10),
-    // skip parts[6] == 'typ'
-    type: parts[7]
-  };
-
-  for (var i = 8; i < parts.length; i += 2) {
-    switch (parts[i]) {
-      case 'raddr':
-        candidate.relatedAddress = parts[i + 1];
-        break;
-      case 'rport':
-        candidate.relatedPort = parseInt(parts[i + 1], 10);
-        break;
-      case 'tcptype':
-        candidate.tcpType = parts[i + 1];
-        break;
-      case 'ufrag':
-        candidate.ufrag = parts[i + 1]; // for backward compatibility.
-        candidate.usernameFragment = parts[i + 1];
-        break;
-      default:
-        // extension handling, in particular ufrag. Don't overwrite.
-        if (candidate[parts[i]] === undefined) {
-          candidate[parts[i]] = parts[i + 1];
-        }
-        break;
-    }
-  }
-  return candidate;
-};
-
-// Translates a candidate object into SDP candidate attribute.
-// This does not include the a= prefix!
-SDPUtils.writeCandidate = function (candidate) {
-  var sdp = [];
-  sdp.push(candidate.foundation);
-
-  var component = candidate.component;
-  if (component === 'rtp') {
-    sdp.push(1);
-  } else if (component === 'rtcp') {
-    sdp.push(2);
-  } else {
-    sdp.push(component);
-  }
-  sdp.push(candidate.protocol.toUpperCase());
-  sdp.push(candidate.priority);
-  sdp.push(candidate.address || candidate.ip);
-  sdp.push(candidate.port);
-
-  var type = candidate.type;
-  sdp.push('typ');
-  sdp.push(type);
-  if (type !== 'host' && candidate.relatedAddress && candidate.relatedPort) {
-    sdp.push('raddr');
-    sdp.push(candidate.relatedAddress);
-    sdp.push('rport');
-    sdp.push(candidate.relatedPort);
-  }
-  if (candidate.tcpType && candidate.protocol.toLowerCase() === 'tcp') {
-    sdp.push('tcptype');
-    sdp.push(candidate.tcpType);
-  }
-  if (candidate.usernameFragment || candidate.ufrag) {
-    sdp.push('ufrag');
-    sdp.push(candidate.usernameFragment || candidate.ufrag);
-  }
-  return 'candidate:' + sdp.join(' ');
-};
-
-// Parses an ice-options line, returns an array of option tags.
-// Sample input:
-// a=ice-options:foo bar
-SDPUtils.parseIceOptions = function (line) {
-  return line.substr(14).split(' ');
-};
-
-// Parses a rtpmap line, returns RTCRtpCoddecParameters. Sample input:
-// a=rtpmap:111 opus/48000/2
-SDPUtils.parseRtpMap = function (line) {
-  var parts = line.substr(9).split(' ');
-  var parsed = {
-    payloadType: parseInt(parts.shift(), 10) // was: id
-  };
-
-  parts = parts[0].split('/');
-
-  parsed.name = parts[0];
-  parsed.clockRate = parseInt(parts[1], 10); // was: clockrate
-  parsed.channels = parts.length === 3 ? parseInt(parts[2], 10) : 1;
-  // legacy alias, got renamed back to channels in ORTC.
-  parsed.numChannels = parsed.channels;
-  return parsed;
-};
-
-// Generates a rtpmap line from RTCRtpCodecCapability or
-// RTCRtpCodecParameters.
-SDPUtils.writeRtpMap = function (codec) {
-  var pt = codec.payloadType;
-  if (codec.preferredPayloadType !== undefined) {
-    pt = codec.preferredPayloadType;
-  }
-  var channels = codec.channels || codec.numChannels || 1;
-  return 'a=rtpmap:' + pt + ' ' + codec.name + '/' + codec.clockRate + (channels !== 1 ? '/' + channels : '') + '\r\n';
-};
-
-// Parses a extmap line (headerextension from RFC 5285). Sample input:
-// a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
-// a=extmap:2/sendonly urn:ietf:params:rtp-hdrext:toffset
-SDPUtils.parseExtmap = function (line) {
-  var parts = line.substr(9).split(' ');
-  return {
-    id: parseInt(parts[0], 10),
-    direction: parts[0].indexOf('/') > 0 ? parts[0].split('/')[1] : 'sendrecv',
-    uri: parts[1]
-  };
-};
-
-// Generates an extmap line from RTCRtpHeaderExtensionParameters or
-// RTCRtpHeaderExtension.
-SDPUtils.writeExtmap = function (headerExtension) {
-  return 'a=extmap:' + (headerExtension.id || headerExtension.preferredId) + (headerExtension.direction && headerExtension.direction !== 'sendrecv' ? '/' + headerExtension.direction : '') + ' ' + headerExtension.uri + '\r\n';
-};
-
-// Parses a fmtp line, returns dictionary. Sample input:
-// a=fmtp:96 vbr=on;cng=on
-// Also deals with vbr=on; cng=on
-SDPUtils.parseFmtp = function (line) {
-  var parsed = {};
-  var kv = void 0;
-  var parts = line.substr(line.indexOf(' ') + 1).split(';');
-  for (var j = 0; j < parts.length; j++) {
-    kv = parts[j].trim().split('=');
-    parsed[kv[0].trim()] = kv[1];
-  }
-  return parsed;
-};
-
-// Generates a fmtp line from RTCRtpCodecCapability or RTCRtpCodecParameters.
-SDPUtils.writeFmtp = function (codec) {
-  var line = '';
-  var pt = codec.payloadType;
-  if (codec.preferredPayloadType !== undefined) {
-    pt = codec.preferredPayloadType;
-  }
-  if (codec.parameters && Object.keys(codec.parameters).length) {
-    var params = [];
-    Object.keys(codec.parameters).forEach(function (param) {
-      if (codec.parameters[param] !== undefined) {
-        params.push(param + '=' + codec.parameters[param]);
-      } else {
-        params.push(param);
-      }
-    });
-    line += 'a=fmtp:' + pt + ' ' + params.join(';') + '\r\n';
-  }
-  return line;
-};
-
-// Parses a rtcp-fb line, returns RTCPRtcpFeedback object. Sample input:
-// a=rtcp-fb:98 nack rpsi
-SDPUtils.parseRtcpFb = function (line) {
-  var parts = line.substr(line.indexOf(' ') + 1).split(' ');
-  return {
-    type: parts.shift(),
-    parameter: parts.join(' ')
-  };
-};
-
-// Generate a=rtcp-fb lines from RTCRtpCodecCapability or RTCRtpCodecParameters.
-SDPUtils.writeRtcpFb = function (codec) {
-  var lines = '';
-  var pt = codec.payloadType;
-  if (codec.preferredPayloadType !== undefined) {
-    pt = codec.preferredPayloadType;
-  }
-  if (codec.rtcpFeedback && codec.rtcpFeedback.length) {
-    // FIXME: special handling for trr-int?
-    codec.rtcpFeedback.forEach(function (fb) {
-      lines += 'a=rtcp-fb:' + pt + ' ' + fb.type + (fb.parameter && fb.parameter.length ? ' ' + fb.parameter : '') + '\r\n';
-    });
-  }
-  return lines;
-};
-
-// Parses a RFC 5576 ssrc media attribute. Sample input:
-// a=ssrc:3735928559 cname:something
-SDPUtils.parseSsrcMedia = function (line) {
-  var sp = line.indexOf(' ');
-  var parts = {
-    ssrc: parseInt(line.substr(7, sp - 7), 10)
-  };
-  var colon = line.indexOf(':', sp);
-  if (colon > -1) {
-    parts.attribute = line.substr(sp + 1, colon - sp - 1);
-    parts.value = line.substr(colon + 1);
-  } else {
-    parts.attribute = line.substr(sp + 1);
-  }
-  return parts;
-};
-
-// Parse a ssrc-group line (see RFC 5576). Sample input:
-// a=ssrc-group:semantics 12 34
-SDPUtils.parseSsrcGroup = function (line) {
-  var parts = line.substr(13).split(' ');
-  return {
-    semantics: parts.shift(),
-    ssrcs: parts.map(function (ssrc) {
-      return parseInt(ssrc, 10);
-    })
-  };
-};
-
-// Extracts the MID (RFC 5888) from a media section.
-// Returns the MID or undefined if no mid line was found.
-SDPUtils.getMid = function (mediaSection) {
-  var mid = SDPUtils.matchPrefix(mediaSection, 'a=mid:')[0];
-  if (mid) {
-    return mid.substr(6);
-  }
-};
-
-// Parses a fingerprint line for DTLS-SRTP.
-SDPUtils.parseFingerprint = function (line) {
-  var parts = line.substr(14).split(' ');
-  return {
-    algorithm: parts[0].toLowerCase(), // algorithm is case-sensitive in Edge.
-    value: parts[1].toUpperCase() // the definition is upper-case in RFC 4572.
-  };
-};
-
-// Extracts DTLS parameters from SDP media section or sessionpart.
-// FIXME: for consistency with other functions this should only
-//   get the fingerprint line as input. See also getIceParameters.
-SDPUtils.getDtlsParameters = function (mediaSection, sessionpart) {
-  var lines = SDPUtils.matchPrefix(mediaSection + sessionpart, 'a=fingerprint:');
-  // Note: a=setup line is ignored since we use the 'auto' role in Edge.
-  return {
-    role: 'auto',
-    fingerprints: lines.map(SDPUtils.parseFingerprint)
-  };
-};
-
-// Serializes DTLS parameters to SDP.
-SDPUtils.writeDtlsParameters = function (params, setupType) {
-  var sdp = 'a=setup:' + setupType + '\r\n';
-  params.fingerprints.forEach(function (fp) {
-    sdp += 'a=fingerprint:' + fp.algorithm + ' ' + fp.value + '\r\n';
-  });
-  return sdp;
-};
-
-// Parses a=crypto lines into
-//   https://rawgit.com/aboba/edgertc/master/msortc-rs4.html#dictionary-rtcsrtpsdesparameters-members
-SDPUtils.parseCryptoLine = function (line) {
-  var parts = line.substr(9).split(' ');
-  return {
-    tag: parseInt(parts[0], 10),
-    cryptoSuite: parts[1],
-    keyParams: parts[2],
-    sessionParams: parts.slice(3)
-  };
-};
-
-SDPUtils.writeCryptoLine = function (parameters) {
-  return 'a=crypto:' + parameters.tag + ' ' + parameters.cryptoSuite + ' ' + (_typeof(parameters.keyParams) === 'object' ? SDPUtils.writeCryptoKeyParams(parameters.keyParams) : parameters.keyParams) + (parameters.sessionParams ? ' ' + parameters.sessionParams.join(' ') : '') + '\r\n';
-};
-
-// Parses the crypto key parameters into
-//   https://rawgit.com/aboba/edgertc/master/msortc-rs4.html#rtcsrtpkeyparam*
-SDPUtils.parseCryptoKeyParams = function (keyParams) {
-  if (keyParams.indexOf('inline:') !== 0) {
-    return null;
-  }
-  var parts = keyParams.substr(7).split('|');
-  return {
-    keyMethod: 'inline',
-    keySalt: parts[0],
-    lifeTime: parts[1],
-    mkiValue: parts[2] ? parts[2].split(':')[0] : undefined,
-    mkiLength: parts[2] ? parts[2].split(':')[1] : undefined
-  };
-};
-
-SDPUtils.writeCryptoKeyParams = function (keyParams) {
-  return keyParams.keyMethod + ':' + keyParams.keySalt + (keyParams.lifeTime ? '|' + keyParams.lifeTime : '') + (keyParams.mkiValue && keyParams.mkiLength ? '|' + keyParams.mkiValue + ':' + keyParams.mkiLength : '');
-};
-
-// Extracts all SDES parameters.
-SDPUtils.getCryptoParameters = function (mediaSection, sessionpart) {
-  var lines = SDPUtils.matchPrefix(mediaSection + sessionpart, 'a=crypto:');
-  return lines.map(SDPUtils.parseCryptoLine);
-};
-
-// Parses ICE information from SDP media section or sessionpart.
-// FIXME: for consistency with other functions this should only
-//   get the ice-ufrag and ice-pwd lines as input.
-SDPUtils.getIceParameters = function (mediaSection, sessionpart) {
-  var ufrag = SDPUtils.matchPrefix(mediaSection + sessionpart, 'a=ice-ufrag:')[0];
-  var pwd = SDPUtils.matchPrefix(mediaSection + sessionpart, 'a=ice-pwd:')[0];
-  if (!(ufrag && pwd)) {
-    return null;
-  }
-  return {
-    usernameFragment: ufrag.substr(12),
-    password: pwd.substr(10)
-  };
-};
-
-// Serializes ICE parameters to SDP.
-SDPUtils.writeIceParameters = function (params) {
-  var sdp = 'a=ice-ufrag:' + params.usernameFragment + '\r\n' + 'a=ice-pwd:' + params.password + '\r\n';
-  if (params.iceLite) {
-    sdp += 'a=ice-lite\r\n';
-  }
-  return sdp;
-};
-
-// Parses the SDP media section and returns RTCRtpParameters.
-SDPUtils.parseRtpParameters = function (mediaSection) {
-  var description = {
-    codecs: [],
-    headerExtensions: [],
-    fecMechanisms: [],
-    rtcp: []
-  };
-  var lines = SDPUtils.splitLines(mediaSection);
-  var mline = lines[0].split(' ');
-  for (var i = 3; i < mline.length; i++) {
-    // find all codecs from mline[3..]
-    var pt = mline[i];
-    var rtpmapline = SDPUtils.matchPrefix(mediaSection, 'a=rtpmap:' + pt + ' ')[0];
-    if (rtpmapline) {
-      var codec = SDPUtils.parseRtpMap(rtpmapline);
-      var fmtps = SDPUtils.matchPrefix(mediaSection, 'a=fmtp:' + pt + ' ');
-      // Only the first a=fmtp:<pt> is considered.
-      codec.parameters = fmtps.length ? SDPUtils.parseFmtp(fmtps[0]) : {};
-      codec.rtcpFeedback = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-fb:' + pt + ' ').map(SDPUtils.parseRtcpFb);
-      description.codecs.push(codec);
-      // parse FEC mechanisms from rtpmap lines.
-      switch (codec.name.toUpperCase()) {
-        case 'RED':
-        case 'ULPFEC':
-          description.fecMechanisms.push(codec.name.toUpperCase());
-          break;
-        default:
-          // only RED and ULPFEC are recognized as FEC mechanisms.
-          break;
-      }
-    }
-  }
-  SDPUtils.matchPrefix(mediaSection, 'a=extmap:').forEach(function (line) {
-    description.headerExtensions.push(SDPUtils.parseExtmap(line));
-  });
-  // FIXME: parse rtcp.
-  return description;
-};
-
-// Generates parts of the SDP media section describing the capabilities /
-// parameters.
-SDPUtils.writeRtpDescription = function (kind, caps) {
-  var sdp = '';
-
-  // Build the mline.
-  sdp += 'm=' + kind + ' ';
-  sdp += caps.codecs.length > 0 ? '9' : '0'; // reject if no codecs.
-  sdp += ' UDP/TLS/RTP/SAVPF ';
-  sdp += caps.codecs.map(function (codec) {
-    if (codec.preferredPayloadType !== undefined) {
-      return codec.preferredPayloadType;
-    }
-    return codec.payloadType;
-  }).join(' ') + '\r\n';
-
-  sdp += 'c=IN IP4 0.0.0.0\r\n';
-  sdp += 'a=rtcp:9 IN IP4 0.0.0.0\r\n';
-
-  // Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb.
-  caps.codecs.forEach(function (codec) {
-    sdp += SDPUtils.writeRtpMap(codec);
-    sdp += SDPUtils.writeFmtp(codec);
-    sdp += SDPUtils.writeRtcpFb(codec);
-  });
-  var maxptime = 0;
-  caps.codecs.forEach(function (codec) {
-    if (codec.maxptime > maxptime) {
-      maxptime = codec.maxptime;
-    }
-  });
-  if (maxptime > 0) {
-    sdp += 'a=maxptime:' + maxptime + '\r\n';
-  }
-
-  if (caps.headerExtensions) {
-    caps.headerExtensions.forEach(function (extension) {
-      sdp += SDPUtils.writeExtmap(extension);
-    });
-  }
-  // FIXME: write fecMechanisms.
-  return sdp;
-};
-
-// Parses the SDP media section and returns an array of
-// RTCRtpEncodingParameters.
-SDPUtils.parseRtpEncodingParameters = function (mediaSection) {
-  var encodingParameters = [];
-  var description = SDPUtils.parseRtpParameters(mediaSection);
-  var hasRed = description.fecMechanisms.indexOf('RED') !== -1;
-  var hasUlpfec = description.fecMechanisms.indexOf('ULPFEC') !== -1;
-
-  // filter a=ssrc:... cname:, ignore PlanB-msid
-  var ssrcs = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:').map(function (line) {
-    return SDPUtils.parseSsrcMedia(line);
-  }).filter(function (parts) {
-    return parts.attribute === 'cname';
-  });
-  var primarySsrc = ssrcs.length > 0 && ssrcs[0].ssrc;
-  var secondarySsrc = void 0;
-
-  var flows = SDPUtils.matchPrefix(mediaSection, 'a=ssrc-group:FID').map(function (line) {
-    var parts = line.substr(17).split(' ');
-    return parts.map(function (part) {
-      return parseInt(part, 10);
-    });
-  });
-  if (flows.length > 0 && flows[0].length > 1 && flows[0][0] === primarySsrc) {
-    secondarySsrc = flows[0][1];
-  }
-
-  description.codecs.forEach(function (codec) {
-    if (codec.name.toUpperCase() === 'RTX' && codec.parameters.apt) {
-      var encParam = {
-        ssrc: primarySsrc,
-        codecPayloadType: parseInt(codec.parameters.apt, 10)
-      };
-      if (primarySsrc && secondarySsrc) {
-        encParam.rtx = { ssrc: secondarySsrc };
-      }
-      encodingParameters.push(encParam);
-      if (hasRed) {
-        encParam = JSON.parse(JSON.stringify(encParam));
-        encParam.fec = {
-          ssrc: primarySsrc,
-          mechanism: hasUlpfec ? 'red+ulpfec' : 'red'
-        };
-        encodingParameters.push(encParam);
-      }
-    }
-  });
-  if (encodingParameters.length === 0 && primarySsrc) {
-    encodingParameters.push({
-      ssrc: primarySsrc
-    });
-  }
-
-  // we support both b=AS and b=TIAS but interpret AS as TIAS.
-  var bandwidth = SDPUtils.matchPrefix(mediaSection, 'b=');
-  if (bandwidth.length) {
-    if (bandwidth[0].indexOf('b=TIAS:') === 0) {
-      bandwidth = parseInt(bandwidth[0].substr(7), 10);
-    } else if (bandwidth[0].indexOf('b=AS:') === 0) {
-      // use formula from JSEP to convert b=AS to TIAS value.
-      bandwidth = parseInt(bandwidth[0].substr(5), 10) * 1000 * 0.95 - 50 * 40 * 8;
-    } else {
-      bandwidth = undefined;
-    }
-    encodingParameters.forEach(function (params) {
-      params.maxBitrate = bandwidth;
-    });
-  }
-  return encodingParameters;
-};
-
-// parses http://draft.ortc.org/#rtcrtcpparameters*
-SDPUtils.parseRtcpParameters = function (mediaSection) {
-  var rtcpParameters = {};
-
-  // Gets the first SSRC. Note that with RTX there might be multiple
-  // SSRCs.
-  var remoteSsrc = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:').map(function (line) {
-    return SDPUtils.parseSsrcMedia(line);
-  }).filter(function (obj) {
-    return obj.attribute === 'cname';
-  })[0];
-  if (remoteSsrc) {
-    rtcpParameters.cname = remoteSsrc.value;
-    rtcpParameters.ssrc = remoteSsrc.ssrc;
-  }
-
-  // Edge uses the compound attribute instead of reducedSize
-  // compound is !reducedSize
-  var rsize = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-rsize');
-  rtcpParameters.reducedSize = rsize.length > 0;
-  rtcpParameters.compound = rsize.length === 0;
-
-  // parses the rtcp-mux attrіbute.
-  // Note that Edge does not support unmuxed RTCP.
-  var mux = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-mux');
-  rtcpParameters.mux = mux.length > 0;
-
-  return rtcpParameters;
-};
-
-SDPUtils.writeRtcpParameters = function (rtcpParameters) {
-  var sdp = '';
-  if (rtcpParameters.reducedSize) {
-    sdp += 'a=rtcp-rsize\r\n';
-  }
-  if (rtcpParameters.mux) {
-    sdp += 'a=rtcp-mux\r\n';
-  }
-  if (rtcpParameters.ssrc !== undefined && rtcpParameters.cname) {
-    sdp += 'a=ssrc:' + rtcpParameters.ssrc + ' cname:' + rtcpParameters.cname + '\r\n';
-  }
-  return sdp;
-};
-
-// parses either a=msid: or a=ssrc:... msid lines and returns
-// the id of the MediaStream and MediaStreamTrack.
-SDPUtils.parseMsid = function (mediaSection) {
-  var parts = void 0;
-  var spec = SDPUtils.matchPrefix(mediaSection, 'a=msid:');
-  if (spec.length === 1) {
-    parts = spec[0].substr(7).split(' ');
-    return { stream: parts[0], track: parts[1] };
-  }
-  var planB = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:').map(function (line) {
-    return SDPUtils.parseSsrcMedia(line);
-  }).filter(function (msidParts) {
-    return msidParts.attribute === 'msid';
-  });
-  if (planB.length > 0) {
-    parts = planB[0].value.split(' ');
-    return { stream: parts[0], track: parts[1] };
-  }
-};
-
-// SCTP
-// parses draft-ietf-mmusic-sctp-sdp-26 first and falls back
-// to draft-ietf-mmusic-sctp-sdp-05
-SDPUtils.parseSctpDescription = function (mediaSection) {
-  var mline = SDPUtils.parseMLine(mediaSection);
-  var maxSizeLine = SDPUtils.matchPrefix(mediaSection, 'a=max-message-size:');
-  var maxMessageSize = void 0;
-  if (maxSizeLine.length > 0) {
-    maxMessageSize = parseInt(maxSizeLine[0].substr(19), 10);
-  }
-  if (isNaN(maxMessageSize)) {
-    maxMessageSize = 65536;
-  }
-  var sctpPort = SDPUtils.matchPrefix(mediaSection, 'a=sctp-port:');
-  if (sctpPort.length > 0) {
-    return {
-      port: parseInt(sctpPort[0].substr(12), 10),
-      protocol: mline.fmt,
-      maxMessageSize: maxMessageSize
-    };
-  }
-  var sctpMapLines = SDPUtils.matchPrefix(mediaSection, 'a=sctpmap:');
-  if (sctpMapLines.length > 0) {
-    var parts = sctpMapLines[0].substr(10).split(' ');
-    return {
-      port: parseInt(parts[0], 10),
-      protocol: parts[1],
-      maxMessageSize: maxMessageSize
-    };
-  }
-};
-
-// SCTP
-// outputs the draft-ietf-mmusic-sctp-sdp-26 version that all browsers
-// support by now receiving in this format, unless we originally parsed
-// as the draft-ietf-mmusic-sctp-sdp-05 format (indicated by the m-line
-// protocol of DTLS/SCTP -- without UDP/ or TCP/)
-SDPUtils.writeSctpDescription = function (media, sctp) {
-  var output = [];
-  if (media.protocol !== 'DTLS/SCTP') {
-    output = ['m=' + media.kind + ' 9 ' + media.protocol + ' ' + sctp.protocol + '\r\n', 'c=IN IP4 0.0.0.0\r\n', 'a=sctp-port:' + sctp.port + '\r\n'];
-  } else {
-    output = ['m=' + media.kind + ' 9 ' + media.protocol + ' ' + sctp.port + '\r\n', 'c=IN IP4 0.0.0.0\r\n', 'a=sctpmap:' + sctp.port + ' ' + sctp.protocol + ' 65535\r\n'];
-  }
-  if (sctp.maxMessageSize !== undefined) {
-    output.push('a=max-message-size:' + sctp.maxMessageSize + '\r\n');
-  }
-  return output.join('');
-};
-
-// Generate a session ID for SDP.
-// https://tools.ietf.org/html/draft-ietf-rtcweb-jsep-20#section-5.2.1
-// recommends using a cryptographically random +ve 64-bit value
-// but right now this should be acceptable and within the right range
-SDPUtils.generateSessionId = function () {
-  return Math.random().toString().substr(2, 21);
-};
-
-// Write boiler plate for start of SDP
-// sessId argument is optional - if not supplied it will
-// be generated randomly
-// sessVersion is optional and defaults to 2
-// sessUser is optional and defaults to 'thisisadapterortc'
-SDPUtils.writeSessionBoilerplate = function (sessId, sessVer, sessUser) {
-  var sessionId = void 0;
-  var version = sessVer !== undefined ? sessVer : 2;
-  if (sessId) {
-    sessionId = sessId;
-  } else {
-    sessionId = SDPUtils.generateSessionId();
-  }
-  var user = sessUser || 'thisisadapterortc';
-  // FIXME: sess-id should be an NTP timestamp.
-  return 'v=0\r\n' + 'o=' + user + ' ' + sessionId + ' ' + version + ' IN IP4 127.0.0.1\r\n' + 's=-\r\n' + 't=0 0\r\n';
-};
-
-// Gets the direction from the mediaSection or the sessionpart.
-SDPUtils.getDirection = function (mediaSection, sessionpart) {
-  // Look for sendrecv, sendonly, recvonly, inactive, default to sendrecv.
-  var lines = SDPUtils.splitLines(mediaSection);
-  for (var i = 0; i < lines.length; i++) {
-    switch (lines[i]) {
-      case 'a=sendrecv':
-      case 'a=sendonly':
-      case 'a=recvonly':
-      case 'a=inactive':
-        return lines[i].substr(2);
-      default:
-      // FIXME: What should happen here?
-    }
-  }
-  if (sessionpart) {
-    return SDPUtils.getDirection(sessionpart);
-  }
-  return 'sendrecv';
-};
-
-SDPUtils.getKind = function (mediaSection) {
-  var lines = SDPUtils.splitLines(mediaSection);
-  var mline = lines[0].split(' ');
-  return mline[0].substr(2);
-};
-
-SDPUtils.isRejected = function (mediaSection) {
-  return mediaSection.split(' ', 2)[1] === '0';
-};
-
-SDPUtils.parseMLine = function (mediaSection) {
-  var lines = SDPUtils.splitLines(mediaSection);
-  var parts = lines[0].substr(2).split(' ');
-  return {
-    kind: parts[0],
-    port: parseInt(parts[1], 10),
-    protocol: parts[2],
-    fmt: parts.slice(3).join(' ')
-  };
-};
-
-SDPUtils.parseOLine = function (mediaSection) {
-  var line = SDPUtils.matchPrefix(mediaSection, 'o=')[0];
-  var parts = line.substr(2).split(' ');
-  return {
-    username: parts[0],
-    sessionId: parts[1],
-    sessionVersion: parseInt(parts[2], 10),
-    netType: parts[3],
-    addressType: parts[4],
-    address: parts[5]
-  };
-};
-
-// a very naive interpretation of a valid SDP.
-SDPUtils.isValidSDP = function (blob) {
-  if (typeof blob !== 'string' || blob.length === 0) {
-    return false;
-  }
-  var lines = SDPUtils.splitLines(blob);
-  for (var i = 0; i < lines.length; i++) {
-    if (lines[i].length < 2 || lines[i].charAt(1) !== '=') {
-      return false;
-    }
-    // TODO: check the modifier a bit more.
-  }
-  return true;
-};
-
-// Expose public methods.
-if ((typeof module === 'undefined' ? 'undefined' : _typeof(module)) === 'object') {
-  module.exports = SDPUtils;
-}
-},{}]},{},[1])(1)
-});

+ 1 - 1
src/components/vent/camera/HlsPlayer.vue

@@ -32,7 +32,7 @@
         videoEl.value,
         VUE_APP_URL.webRtcUrl.startsWith('/') ? location.protocol + VUE_APP_URL.webRtcUrl : VUE_APP_URL.webRtcUrl
       );
-      await rtspServer.connect(props.src);
+      await rtspServer.connect(props.src, null, 'rtptransport=tcp&timeout=60');
       if (rtspServer && video.play) video.play();
     } else if (props.src.includes('.flv') && video.canPlayType('application/x-mpegURL')) {
       flv = videojs(

+ 1 - 0
src/components/vent/micro/createSubApp.vue

@@ -42,6 +42,7 @@
   watch(
     () => [route.query, route.path],
     async ([newQuery, newPath], [oldQuery, oldPath]) => {
+      debugger;
       // 这里判断
       if (newPath !== oldPath) {
         await resetComponent();

+ 2 - 2
src/hooks/system/useCamera.ts

@@ -116,7 +116,7 @@ export function useCamera() {
                     playerDoms.unshift(videoDom);
                     newWebRtcServer.unshift(server);
                     // videoParentDomList.unshift()
-                    await server.connect(cameraUrl['addr']);
+                    await server.connect(cameraUrl['addr'], null, 'rtptransport=tcp&timeout=60');
                     videoDom.play();
                     childResolve(null);
                   } catch (error) {
@@ -137,7 +137,7 @@ export function useCamera() {
                       VUE_APP_URL.webRtcUrl.startsWith('/') ? location.protocol + VUE_APP_URL.webRtcUrl : VUE_APP_URL.webRtcUrl
                     );
                     newWebRtcServer.unshift(server);
-                    await server.connect(cameraUrl.addr);
+                    await server.connect(cameraUrl['addr'], null, 'rtptransport=tcp&timeout=60');
                     videoDom.play();
                     playerDoms.unshift(videoDom);
                     childResolve(null);

+ 10 - 13
src/hooks/system/useCameraPianation.ts

@@ -15,26 +15,23 @@ export function useCamera() {
   const cameraAddrList = (params) => defHttp.post({ url: '/monitor/camera/info', params });
   const cameraAddr = (params) => defHttp.get({ url: '/monitor/camera/queryByCameraCode', params });
 
-
   let webRtcServer = <any[]>[];
   const playerList = <any[]>[];
   const playerDoms = <(HTMLVideoElement | undefined | null)[]>[];
   const videoParentDomList: (HTMLElement | [string, { name: string; addr: string; cameraRate: number; devicekind: string }])[] = [];
-  let Total = ref(0)
-
-  
+  const Total = ref(0);
 
   async function getCamera(deviceid, parentPlayerDom, renderPlayer, pagination, cameraData?, devKind?, isCustom = false) {
     await removeCameraRef(parentPlayerDom, renderPlayer);
     let res;
-    if (!devKind && !cameraData ) {
-      res = await cameraList({ deviceid, pageNo: pagination.current, pageSize: pagination.pageSize, });
-    }else if(devKind && !cameraData) {
-      res = await cameraList({ sysId: deviceid, devKind, pageNo: pagination.current, pageSize: pagination.pageSize, });
+    if (!devKind && !cameraData) {
+      res = await cameraList({ deviceid, pageNo: pagination.current, pageSize: pagination.pageSize });
+    } else if (devKind && !cameraData) {
+      res = await cameraList({ sysId: deviceid, devKind, pageNo: pagination.current, pageSize: pagination.pageSize });
     }
-    Total.value = !cameraData ?  res.total : 0
+    Total.value = !cameraData ? res.total : 0;
     const cameras: [] = !cameraData ? res.records || [] : cameraData;
-    console.log(cameras,'cameras===')
+    console.log(cameras, 'cameras===');
     const cameraAddrs: any[] = [],
       cameraNames: any[] = [];
     if (cameras.length > 0) {
@@ -58,7 +55,7 @@ export function useCamera() {
             //   name: item['name'],
             //   addr: 'https://demo.unified-streaming.com/k8s/features/stable/video/tears-of-steel/tears-of-steel.mp4/.m3u8',
             // });
-          } catch (error) { }
+          } catch (error) {}
         } else if (item['devicekind'] == 'toHKR') {
           cameraNames.push({ name: item['name'], cameraRate: item['cameraRate'] });
         } else {
@@ -121,7 +118,7 @@ export function useCamera() {
                     playerDoms.unshift(videoDom);
                     newWebRtcServer.unshift(server);
                     // videoParentDomList.unshift()
-                    await server.connect(cameraUrl['addr']);
+                    await server.connect(cameraUrl['addr'], null, 'rtptransport=tcp&timeout=60');
                     videoDom.play();
                     childResolve(null);
                   } catch (error) {
@@ -142,7 +139,7 @@ export function useCamera() {
                       VUE_APP_URL.webRtcUrl.startsWith('/') ? location.protocol + VUE_APP_URL.webRtcUrl : VUE_APP_URL.webRtcUrl
                     );
                     newWebRtcServer.unshift(server);
-                    await server.connect(cameraUrl.addr);
+                    await server.connect(cameraUrl['addr'], null, 'rtptransport=tcp&timeout=60');
                     videoDom.play();
                     playerDoms.unshift(videoDom);
                     childResolve(null);

+ 3 - 3
src/utils/ventutil.ts

@@ -46,7 +46,7 @@ export function cameraInit(dom, rtspUrl) {
     VUE_APP_URL.webRtcUrl.startsWith('/') ? location.protocol + VUE_APP_URL.webRtcUrl : VUE_APP_URL.webRtcUrl
   );
 
-  if (webRtcServer) webRtcServer.connect(rtspUrl);
+  if (webRtcServer) webRtcServer.connect(rtspUrl, null, 'rtptransport=tcp&timeout=60');
   return { webRtcServer };
 }
 
@@ -127,7 +127,7 @@ export function deviceCameraInit(cameraAddrs, player: HTMLElement, webRtcServerL
                   if (cameraNameDom) cameraNameDom.innerText = cameraUrl.name;
                   playerDoms.unshift(videoElement);
                   webRtcServer.unshift(server);
-                  await server.connect(cameraUrl['addr']);
+                  await server.connect(cameraUrl['addr'], null, 'rtptransport=tcp&timeout=60');
                   videoElement.play();
                   childResolve(null);
                 } catch (error) {
@@ -162,7 +162,7 @@ export function deviceCameraInit(cameraAddrs, player: HTMLElement, webRtcServerL
                     VUE_APP_URL.webRtcUrl.startsWith('/') ? location.protocol + VUE_APP_URL.webRtcUrl : VUE_APP_URL.webRtcUrl
                   );
                   webRtcServer.unshift(server);
-                  await server.connect(cameraUrl.addr);
+                  await server.connect(cameraUrl.addr, null, 'rtptransport=tcp&timeout=60');
                   videoDom.play();
                   playerDoms.unshift(videoDom);
                   childResolve(null);

+ 51 - 42
src/views/vent/home/configurable/vent182.vue

@@ -1,7 +1,7 @@
 <!-- eslint-disable vue/multi-word-component-names -->
 <template>
   <div class="company-home">
-    <div style="width: 100%; height: 100%; position: absolute; left: 0; top: 0; z-index: 0">
+    <div style="position: absolute; top: 0; left: 0; z-index: 0; width: 100%; height: 100%">
       <SubApp />
     </div>
     <!-- 如果是有 deviceType、type 等 query,认为是详情页,不需要展示普通模块,只需要模型 -->
@@ -178,10 +178,10 @@
   });
 </script>
 <style lang="less" scoped>
-  @import '/@/design/theme.less';
+  @import url('/@/design/theme.less');
 
   @font-face {
-    font-family: 'douyuFont';
+    font-family: douyuFont;
     src: url('/@/assets/font/douyuFont.otf');
   }
 
@@ -198,28 +198,29 @@
     --image-monitor-goto2: url('/@/assets/images/vent/home/2.5D.png');
     --image-monitor-goto3: url('/@/assets/images/vent/home/3D.png');
 
+    position: relative;
     width: 100%;
     height: 100%;
     color: @white;
-    position: relative;
     // background: url('@/assets/images/home-container/configurable/firehome/bg.png') no-repeat center;
 
     .top-bg {
+      position: absolute;
+      z-index: 1;
       width: 100%;
       height: 48px;
       background: var(--image-modal-top) no-repeat center;
-      position: absolute;
-      z-index: 1;
       background-size: 100% 100%;
+
       .main-title {
+        display: flex;
+        align-items: center;
+        justify-content: center;
         height: 48px;
-        font-family: 'douyuFont';
+        font-family: douyuFont;
         font-size: 20px;
         letter-spacing: 2px;
         padding-top: 8px;
-        display: flex;
-        justify-content: center;
-        align-items: center;
       }
     }
 
@@ -241,97 +242,104 @@
     //   height: 280px;
     // }
     .module-dropdown {
-      padding: 5px;
-      background-image: @vent-configurable-dropdown;
-      border-bottom: 2px solid @vent-configurable-home-light-border;
-      color: @vent-font-color;
       position: absolute;
       top: 60px;
       right: 430px;
-    }
-    .module-dropdown-original {
-      padding: 10px;
+      padding: 5px;
+      color: @vent-font-color;
       background-image: @vent-configurable-dropdown;
       border-bottom: 2px solid @vent-configurable-home-light-border;
-      color: @vent-font-color;
+    }
+
+    .module-dropdown-original {
       position: absolute;
       top: 70px;
       right: 460px;
+      padding: 10px;
+      color: @vent-font-color;
+      background-image: @vent-configurable-dropdown;
+      border-bottom: 2px solid @vent-configurable-home-light-border;
     }
+
     .module-trigger-button {
+      border: none;
       color: @vent-font-color;
       background-image: @vent-configurable-dropdown;
-      border: none;
       border-bottom: 2px solid @vent-configurable-home-light-border;
     }
 
     .switch-button-group {
-      display: flex;
       position: absolute;
-      right: 430px;
       top: 580px;
+      right: 430px;
+      display: flex;
     }
 
     .switch-button {
-      width: 50px;
-      height: 50px;
-      border-radius: 15%;
-      padding: 8px;
-      backdrop-filter: blur(10px);
-      background-color: rgba(30, 58, 117, 0.418);
       //position: absolute;
       // right: 5px;
       bottom: 300px;
       z-index: 5;
+      width: 50px;
+      height: 50px;
       margin: 0 5px;
+      padding: 8px;
+      border-radius: 15%;
+      backdrop-filter: blur(10px);
+      background-color: rgb(30 58 117 / 41.8%);
+      cursor: pointer;
     }
+
     .report-mode {
       &::after {
-        width: 34px;
-        height: 34px;
-        content: '';
         position: absolute;
         top: 8px;
         left: 8px;
+        width: 34px;
+        height: 34px;
+        content: '';
         background-image: var(--image-monitor-doc);
         background-repeat: no-repeat;
         background-size: 100% 100%;
       }
     }
+
     .realtime-mode {
       &::after {
-        width: 34px;
-        height: 34px;
-        content: '';
         position: absolute;
         top: 8px;
         left: 8px;
+        width: 34px;
+        height: 34px;
+        content: '';
         background-image: var(--image-monitor-realtime);
         background-repeat: no-repeat;
         background-size: 100% 100%;
       }
     }
+
     .icon-goto2D {
       &::after {
-        width: 34px;
-        height: 34px;
-        content: '';
         position: absolute;
         top: 8px;
         left: 8px;
+        width: 34px;
+        height: 34px;
+        content: '';
         background-image: var(--image-monitor-goto2);
         background-repeat: no-repeat;
         background-size: 100% 100%;
       }
     }
+
     .icon-goto3D {
       &::after {
-        width: 34px;
-        height: 34px;
-        content: '';
         position: absolute;
         top: 8px;
         left: 8px;
+        width: 34px;
+        height: 34px;
+        content: '';
         background-image: var(--image-monitor-goto3);
         background-repeat: no-repeat;
         background-size: 100% 100%;
@@ -341,13 +349,14 @@
     .module-monitor-bar {
       position: absolute;
       top: 90px;
-      width: 1000px;
-      height: 74px;
+      left: calc(50% - 500px);
       display: flex;
       justify-content: center;
-      left: calc(50% - 500px);
+      width: 1000px;
+      height: 74px;
     }
   }
+
   :deep(.loading-box) {
     position: unset;
   }

+ 13 - 12
src/views/vent/monitorManager/mainFanMonitor/components/entryThree.vue

@@ -1,10 +1,10 @@
 <template>
-  <div class="bg" style="width: 100%; height: 100%; display: flex; justify-content: center; align-items: center; overflow: hidden">
+  <div class="bg" style="display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; overflow: hidden">
     <!-- <a-spin :spinning="loading" /> -->
     <div
       id="main3DCSS"
       class="threejs-Object-CSS"
-      style="width: 100%; height: 100%; position: absolute; pointer-events: none; overflow: hidden; z-index: 1; top: 0"
+      style="position: absolute; top: 0; z-index: 1; width: 100%; height: 100%; overflow: hidden; pointer-events: none"
     >
       <div style="position: relative" v-if="selectData['modalTyoe'] && selectData['modalTyoe'] !== 'mainWindRect-Inverse'">
         <template v-if="!fanSwitchoverSimulation">
@@ -278,7 +278,7 @@
         </template>
       </div>
     </div>
-    <div id="main3D" style="width: 100%; height: 100%; position: absolute; overflow: hidden"> </div>
+    <div id="main3D" style="position: absolute; width: 100%; height: 100%; overflow: hidden"> </div>
     <FanEchrats id="fan-echarts" :chartData="selectData" style="position: absolute; z-index: -1" />
   </div>
 </template>
@@ -306,23 +306,24 @@
   const { hasPermission } = usePermission();
 </script>
 <style scoped lang="less">
-  @import '/@/design/vent/modal.less';
+  @import url('/@/design/vent/modal.less');
+
   .threejs-Object-CSS {
     .elementTag {
       .elementContent {
-        backdrop-filter: blur(2px);
         width: 220px;
-        background-color: #00000099;
-        box-shadow: 0px 0px 40px #005a838c inset;
+        padding: 15px 20px;
         border: 2px solid #99b0c38c;
-        padding: 15px 20px 15px 20px;
+        backdrop-filter: blur(2px);
+        background-color: #0009;
+        box-shadow: 0 0 40px #005a838c inset;
         font-size: 15px;
 
         .element-item {
-          line-height: 38px;
           display: flex;
-          justify-content: space-between;
           align-items: center;
+          justify-content: space-between;
+          line-height: 38px;
         }
 
         span {
@@ -343,15 +344,15 @@
 
         &::after {
           right: 270px;
-          border: 4px solid #00ddff;
+          border: 4px solid #0df;
           background: #a7a7a766;
         }
       }
 
       .fbm-box {
-        width: auto;
         display: flex;
         justify-content: space-between;
+        width: auto;
 
         .fbm-video {
           width: 240px;