From 8ef37c5a9674f2d11f520ea37accd97995a84e5f Mon Sep 17 00:00:00 2001 From: Teo <2642673902@qq.com> Date: Tue, 8 Jul 2025 16:39:42 +0800 Subject: [PATCH] =?UTF-8?q?=E9=87=8D=E6=9E=84=E8=BF=9B=E5=BA=A6=E5=A1=AB?= =?UTF-8?q?=E6=8A=A5?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .env.development | 2 +- index.html | 3 + public/webrtc/AdobeFlashPlayerInstall.swf | Bin 0 -> 657 bytes public/webrtc/adapter-7.4.0.js | 5551 +++++++++++++++++ public/webrtc/adapter-7.4.0.min.js | 1 + public/webrtc/bootstrap.min.js | 6 + public/webrtc/css/bootstrap.min.css | 9 + public/webrtc/dash-v4.5.1.all.min.js | 19 + public/webrtc/dash.all.min.js.map | 1 + public/webrtc/hls-0.14.17.min.js | 2 + public/webrtc/hls.min.js.map | 1 + public/webrtc/jquery-1.12.2.min.js | 5 + public/webrtc/jquery-1.12.2.min.map | 1 + public/webrtc/json2.js | 486 ++ public/webrtc/mpegts-1.7.2.min.js | 9 + public/webrtc/mpegts.js.map | 1 + public/webrtc/srs.log.js | 37 + public/webrtc/srs.page.js | 182 + public/webrtc/srs.player.js | 382 ++ public/webrtc/srs.publisher.js | 173 + public/webrtc/srs.sdk.js | 681 ++ public/webrtc/srs.utility.js | 8 + public/webrtc/swfobject.js | 4 + public/webrtc/winlin.utility.js | 686 ++ src/api/drone/droneConfig/index.ts | 63 + src/api/drone/droneConfig/types.ts | 80 + src/main.ts | 12 +- src/utils/lassoSelect.ts | 71 +- src/utils/request.ts | 2 +- src/views/cory/workMessage/index.vue | 12 + src/views/design/designChange/index.vue | 21 +- src/views/design/drawing/index.vue | 19 +- src/views/design/specialScheme/index.vue | 87 +- src/views/design/technicalStandard/index.vue | 18 + .../components/MonitorLiveStreaming/index.vue | 2 + src/views/drone/droneConfig/index.vue | 266 + .../partyA/materialIssue/index.vue | 19 +- .../partyA/materialReceive/index.vue | 13 + .../partyB/materialIssue/index.vue | 13 + .../partyB/materialReceive/index.vue | 13 + src/views/progress/progressPaper/index.vue | 64 +- src/views/progress/progressPaper/test.vue | 156 - .../category/index.vue | 8 +- .../{workflow => workflows}/leave/index.vue | 16 +- .../leave/leaveEdit.vue | 0 .../processDefinition/design.vue | 4 +- .../processDefinition/index.vue | 23 +- .../processInstance/index.vue | 0 .../task/allTaskWaiting.vue | 0 .../task/myDocument.vue | 0 .../task/taskCopyList.vue | 0 .../task/taskFinish.vue | 0 .../task/taskWaiting.vue | 0 53 files changed, 8882 insertions(+), 350 deletions(-) create mode 100644 public/webrtc/AdobeFlashPlayerInstall.swf create mode 100644 public/webrtc/adapter-7.4.0.js create mode 100644 public/webrtc/adapter-7.4.0.min.js create mode 100644 public/webrtc/bootstrap.min.js create mode 100644 public/webrtc/css/bootstrap.min.css create mode 100644 public/webrtc/dash-v4.5.1.all.min.js create mode 100644 public/webrtc/dash.all.min.js.map create mode 100644 public/webrtc/hls-0.14.17.min.js create mode 100644 public/webrtc/hls.min.js.map create mode 100644 public/webrtc/jquery-1.12.2.min.js create mode 100644 public/webrtc/jquery-1.12.2.min.map create mode 100644 public/webrtc/json2.js create mode 100644 public/webrtc/mpegts-1.7.2.min.js create mode 100644 public/webrtc/mpegts.js.map create mode 100644 public/webrtc/srs.log.js create mode 100644 public/webrtc/srs.page.js create mode 100644 public/webrtc/srs.player.js create mode 100644 public/webrtc/srs.publisher.js create mode 100644 public/webrtc/srs.sdk.js create mode 100644 public/webrtc/srs.utility.js create mode 100644 public/webrtc/swfobject.js create mode 100644 public/webrtc/winlin.utility.js create mode 100644 src/api/drone/droneConfig/index.ts create mode 100644 src/api/drone/droneConfig/types.ts create mode 100644 src/views/drone/droneConfig/index.vue delete mode 100644 src/views/progress/progressPaper/test.vue rename src/views/{workflow => workflows}/category/index.vue (96%) rename src/views/{workflow => workflows}/leave/index.vue (91%) rename src/views/{workflow => workflows}/leave/leaveEdit.vue (100%) rename src/views/{workflow => workflows}/processDefinition/design.vue (91%) rename src/views/{workflow => workflows}/processDefinition/index.vue (98%) rename src/views/{workflow => workflows}/processInstance/index.vue (100%) rename src/views/{workflow => workflows}/task/allTaskWaiting.vue (100%) rename src/views/{workflow => workflows}/task/myDocument.vue (100%) rename src/views/{workflow => workflows}/task/taskCopyList.vue (100%) rename src/views/{workflow => workflows}/task/taskFinish.vue (100%) rename src/views/{workflow => workflows}/task/taskWaiting.vue (100%) diff --git a/.env.development b/.env.development index 8c542b5..b2ecbc7 100644 --- a/.env.development +++ b/.env.development @@ -9,7 +9,7 @@ VITE_APP_BASE_API = 'http://192.168.110.119:8899' # 无人机接口地址 -VITE_APP_BASE_DRONE_API = 'http://192.168.110.8:9136' +VITE_APP_BASE_DRONE_API = 'http://58.17.134.85:9512' # 应用访问路径 例如使用前缀 /admin/ VITE_APP_CONTEXT_PATH = '/' diff --git a/index.html b/index.html index d1e42bd..59a15ef 100644 --- a/index.html +++ b/index.html @@ -212,6 +212,9 @@ + + + diff --git a/public/webrtc/AdobeFlashPlayerInstall.swf b/public/webrtc/AdobeFlashPlayerInstall.swf new file mode 100644 index 0000000000000000000000000000000000000000..bdc3437856cb0ae54bb9423700ba6ec89f35282c GIT binary patch literal 657 zcmV;C0&e|7S5pT30{{ScoOM%8YZE~jel|&yP13aKhpyI8)Pu*a7cZru!IYFhQ!%kE z;zt>GCuViByG~|XgJ(bJp~q+`f){V4c=Tk!n-K9Tcv0|Qh}4-)Z5q%$%)ak4^FGh} zG4mKh>p=QFFsz{%nRVYDpaejJ54{eo7BqCbU1T$6A?_UfdU|tzr7->Edg5~QJ`!s!OO;20fpVHsv=YsdQ{lvI<6(v2yrdS7`6LQi8#uy`}SX?Ni6O)r6`%Pye4YxmY_|vs1r$ zYS62JJit*Qq5)1^TgC)o6KZQEG=%VHP4mC>rXSoh>x{G-y~501s42xbb%oj5teYed zUazfuM*8z%%PQW6Lm}m@hf8V%w#-l*H+45VumzOSNh6MI zfwTnD68J}cRU>5EordGe5i?c`=PYmF$$^*q^20~+G3o1>u%sdEL~sE;XrvE~96_TY z1oQ%v(6hbD$HElG!xl|cjZOyoWIw@E;qK|`oT|Xk&*+o6#W@8T{oeJ8I9m-_V~Lc) rrowHdr=QEu;UGRC%}bhmYZ>GFiMOQQ+m?EJQA~aL;e`Gll9T{P!97I~ literal 0 HcmV?d00001 diff --git a/public/webrtc/adapter-7.4.0.js b/public/webrtc/adapter-7.4.0.js new file mode 100644 index 0000000..bd8df9d --- /dev/null +++ b/public/webrtc/adapter-7.4.0.js @@ -0,0 +1,5551 @@ +(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 0 && arguments[0] !== undefined ? arguments[0] : {}, + window = _ref.window; + + var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : { + shimChrome: true, + shimFirefox: true, + shimEdge: 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 + }; + + // 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; + } + logging('adapter.js shimming chrome.'); + // Export to the adapter global object visible in the browser. + adapter.browserShim = chromeShim; + + chromeShim.shimGetUserMedia(window); + chromeShim.shimMediaStream(window); + chromeShim.shimPeerConnection(window); + chromeShim.shimOnTrack(window); + chromeShim.shimAddTrackRemoveTrack(window); + chromeShim.shimGetSendersWithDtmf(window); + chromeShim.shimGetStats(window); + chromeShim.shimSenderReceiverGetStats(window); + chromeShim.fixNegotiationNeeded(window); + + commonShim.shimRTCIceCandidate(window); + commonShim.shimConnectionState(window); + commonShim.shimMaxMessageSize(window); + commonShim.shimSendThrowTypeError(window); + commonShim.removeAllowExtmapMixed(window); + 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; + + firefoxShim.shimGetUserMedia(window); + firefoxShim.shimPeerConnection(window); + firefoxShim.shimOnTrack(window); + firefoxShim.shimRemoveStream(window); + firefoxShim.shimSenderGetStats(window); + firefoxShim.shimReceiverGetStats(window); + firefoxShim.shimRTCDataChannel(window); + firefoxShim.shimAddTransceiver(window); + firefoxShim.shimCreateOffer(window); + firefoxShim.shimCreateAnswer(window); + + commonShim.shimRTCIceCandidate(window); + commonShim.shimConnectionState(window); + commonShim.shimMaxMessageSize(window); + commonShim.shimSendThrowTypeError(window); + break; + case 'edge': + if (!edgeShim || !edgeShim.shimPeerConnection || !options.shimEdge) { + logging('MS edge shim is not included in this adapter release.'); + return adapter; + } + logging('adapter.js shimming edge.'); + // Export to the adapter global object visible in the browser. + adapter.browserShim = edgeShim; + + edgeShim.shimGetUserMedia(window); + edgeShim.shimGetDisplayMedia(window); + edgeShim.shimPeerConnection(window); + edgeShim.shimReplaceTrack(window); + + // the edge shim implements the full RTCIceCandidate object. + + commonShim.shimMaxMessageSize(window); + commonShim.shimSendThrowTypeError(window); + 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; + + safariShim.shimRTCIceServerUrls(window); + safariShim.shimCreateOfferLegacy(window); + safariShim.shimCallbacksAPI(window); + safariShim.shimLocalStreamsAPI(window); + safariShim.shimRemoteStreamsAPI(window); + safariShim.shimTrackEventTransceiver(window); + safariShim.shimGetUserMedia(window); + + commonShim.shimRTCIceCandidate(window); + commonShim.shimMaxMessageSize(window); + commonShim.shimSendThrowTypeError(window); + commonShim.removeAllowExtmapMixed(window); + break; + default: + logging('Unsupported browser!'); + break; + } + + return adapter; +} + +// Browser shims. + +},{"./chrome/chrome_shim":3,"./common_shim":6,"./edge/edge_shim":7,"./firefox/firefox_shim":11,"./safari/safari_shim":14,"./utils":15}],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) { + if (!window.RTCPeerConnection) { + return; + } + var browserDetails = utils.detectBrowser(window); + // 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) { + var browserDetails = utils.detectBrowser(window); + + 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]; + }); + } + + // support for addIceCandidate(null or undefined) + var nativeAddIceCandidate = window.RTCPeerConnection.prototype.addIceCandidate; + 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 planned for Chrome M77. + if (browserDetails.version < 78 && arguments[0] && arguments[0].candidate === '') { + return Promise.resolve(); + } + return nativeAddIceCandidate.apply(this, arguments); + }; +} + +function fixNegotiationNeeded(window) { + utils.wrapPeerConnectionEvent(window, 'negotiationneeded', function (e) { + var pc = e.target; + if (pc.signalingState !== 'stable') { + return; + } + return e; + }); +} + +},{"../utils.js":15,"./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) { + var navigator = window && window.navigator; + + if (!navigator.mediaDevices) { + return; + } + + var browserDetails = utils.detectBrowser(window); + + 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":15}],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.shimMaxMessageSize = shimMaxMessageSize; +exports.shimSendThrowTypeError = shimSendThrowTypeError; +exports.shimConnectionState = shimConnectionState; +exports.removeAllowExtmapMixed = removeAllowExtmapMixed; + +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 shimMaxMessageSize(window) { + if (!window.RTCPeerConnection) { + return; + } + var browserDetails = utils.detectBrowser(window); + + 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 removeAllowExtmapMixed(window) { + /* remove a=extmap-allow-mixed for Chrome < M71 */ + if (!window.RTCPeerConnection) { + return; + } + var browserDetails = utils.detectBrowser(window); + if (browserDetails.browser === 'chrome' && browserDetails.version >= 71) { + 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) { + desc.sdp = desc.sdp.split('\n').filter(function (line) { + return line.trim() !== 'a=extmap-allow-mixed'; + }).join('\n'); + } + return nativeSRD.apply(this, arguments); + }; +} + +},{"./utils":15,"sdp":17}],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 _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.shimPeerConnection = shimPeerConnection; +exports.shimReplaceTrack = shimReplaceTrack; + +var _utils = require('../utils'); + +var utils = _interopRequireWildcard(_utils); + +var _filtericeservers = require('./filtericeservers'); + +var _rtcpeerconnectionShim = require('rtcpeerconnection-shim'); + +var _rtcpeerconnectionShim2 = _interopRequireDefault(_rtcpeerconnectionShim); + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +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 shimPeerConnection(window) { + var browserDetails = utils.detectBrowser(window); + + if (window.RTCIceGatherer) { + if (!window.RTCIceCandidate) { + window.RTCIceCandidate = function RTCIceCandidate(args) { + return args; + }; + } + if (!window.RTCSessionDescription) { + window.RTCSessionDescription = function RTCSessionDescription(args) { + return args; + }; + } + // this adds an additional event listener to MediaStrackTrack that signals + // when a tracks enabled property was changed. Workaround for a bug in + // addStream, see below. No longer required in 15025+ + if (browserDetails.version < 15025) { + var origMSTEnabled = Object.getOwnPropertyDescriptor(window.MediaStreamTrack.prototype, 'enabled'); + Object.defineProperty(window.MediaStreamTrack.prototype, 'enabled', { + set: function set(value) { + origMSTEnabled.set.call(this, value); + var ev = new Event('enabled'); + ev.enabled = value; + this.dispatchEvent(ev); + } + }); + } + } + + // ORTC defines the DTMF sender a bit different. + // https://github.com/w3c/ortc/issues/714 + if (window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) { + Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', { + get: function get() { + if (this._dtmf === undefined) { + if (this.track.kind === 'audio') { + this._dtmf = new window.RTCDtmfSender(this); + } else if (this.track.kind === 'video') { + this._dtmf = null; + } + } + return this._dtmf; + } + }); + } + // Edge currently only implements the RTCDtmfSender, not the + // RTCDTMFSender alias. See http://draft.ortc.org/#rtcdtmfsender2* + if (window.RTCDtmfSender && !window.RTCDTMFSender) { + window.RTCDTMFSender = window.RTCDtmfSender; + } + + var RTCPeerConnectionShim = (0, _rtcpeerconnectionShim2.default)(window, browserDetails.version); + window.RTCPeerConnection = function RTCPeerConnection(config) { + if (config && config.iceServers) { + config.iceServers = (0, _filtericeservers.filterIceServers)(config.iceServers, browserDetails.version); + utils.log('ICE servers after filtering:', config.iceServers); + } + return new RTCPeerConnectionShim(config); + }; + window.RTCPeerConnection.prototype = RTCPeerConnectionShim.prototype; +} + +function shimReplaceTrack(window) { + // ORTC has replaceTrack -- https://github.com/w3c/ortc/issues/614 + if (window.RTCRtpSender && !('replaceTrack' in window.RTCRtpSender.prototype)) { + window.RTCRtpSender.prototype.replaceTrack = window.RTCRtpSender.prototype.setTrack; + } +} + +},{"../utils":15,"./filtericeservers":8,"./getdisplaymedia":9,"./getusermedia":10,"rtcpeerconnection-shim":16}],8:[function(require,module,exports){ +/* + * Copyright (c) 2018 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.filterIceServers = filterIceServers; + +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; } } + +// Edge does not like +// 1) stun: filtered after 14393 unless ?transport=udp is present +// 2) turn: that does not have all of turn:host:port?transport=udp +// 3) turn: with ipv6 addresses +// 4) turn: occurring muliple times +function filterIceServers(iceServers, edgeVersion) { + var hasTurn = false; + iceServers = JSON.parse(JSON.stringify(iceServers)); + return iceServers.filter(function (server) { + if (server && (server.urls || server.url)) { + var urls = server.urls || server.url; + if (server.url && !server.urls) { + utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls'); + } + var isString = typeof urls === 'string'; + if (isString) { + urls = [urls]; + } + urls = urls.filter(function (url) { + // filter STUN unconditionally. + if (url.indexOf('stun:') === 0) { + return false; + } + + var validTurn = url.startsWith('turn') && !url.startsWith('turn:[') && url.includes('transport=udp'); + if (validTurn && !hasTurn) { + hasTurn = true; + return true; + } + return validTurn && !hasTurn; + }); + + delete server.url; + server.urls = isString ? urls[0] : urls; + return !!urls.length; + } + }); +} + +},{"../utils":15}],9:[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) { + if (!('getDisplayMedia' in window.navigator)) { + return; + } + if (!window.navigator.mediaDevices) { + return; + } + if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) { + return; + } + window.navigator.mediaDevices.getDisplayMedia = window.navigator.getDisplayMedia.bind(window.navigator); +} + +},{}],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. + */ +/* eslint-env node */ +'use strict'; + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.shimGetUserMedia = shimGetUserMedia; +function shimGetUserMedia(window) { + var navigator = window && window.navigator; + + var shimError_ = function shimError_(e) { + return { + name: { PermissionDeniedError: 'NotAllowedError' }[e.name] || e.name, + message: e.message, + constraint: e.constraint, + toString: function toString() { + return this.name; + } + }; + }; + + // getUserMedia error shim. + var origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices); + navigator.mediaDevices.getUserMedia = function (c) { + return origGetUserMedia(c).catch(function (e) { + return Promise.reject(shimError_(e)); + }); + }; +} + +},{}],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 +}); +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.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 _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) { + var browserDetails = utils.detectBrowser(window); + + 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]; + }); + } + + // support for addIceCandidate(null or undefined) + // as well as ignoring {sdpMid, candidate: ""} + if (browserDetails.version < 68) { + var nativeAddIceCandidate = window.RTCPeerConnection.prototype.addIceCandidate; + 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. + if (arguments[0] && arguments[0].candidate === '') { + return Promise.resolve(); + } + return nativeAddIceCandidate.apply(this, arguments); + }; + } + + 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 = []; + var initParameters = arguments[1]; + var shouldPerformCheck = initParameters && 'sendEncodings' in initParameters; + if (shouldPerformCheck) { + // If sendEncodings params are provided, validate grammar + initParameters.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)) { + params.encodings = initParameters.sendEncodings; + this.setParametersPromises.push(sender.setParameters(params).catch(function () {})); + } + } + return transceiver; + }; + } +} + +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":15,"./getdisplaymedia":12,"./getusermedia":13}],12:[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); + }; +} + +},{}],13:[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) { + var browserDetails = utils.detectBrowser(window); + 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":15}],14:[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; + +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 stream = arguments[1]; + if (stream) { + if (!this._localStreams) { + this._localStreams = [stream]; + } else if (!this._localStreams.includes(stream)) { + this._localStreams.push(stream); + } + } + return _addTrack.apply(this, arguments); + }; + } + if (!('removeStream' in window.RTCPeerConnection.prototype)) { + window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) { + var _this2 = 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)) { + _this2.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 _this3 = 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 (!_this3._remoteStreams) { + _this3._remoteStreams = []; + } + if (_this3._remoteStreams.includes(stream)) { + return; + } + _this3._remoteStreams.push(stream); + var event = new Event('addstream'); + event.stream = stream; + _this3.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) { + // 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 window.RTCPeerConnection) { + 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'); + } + + 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'); + } + } + return origCreateOffer.apply(this, arguments); + }; +} + +},{"../utils":15}],15:[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) { + cb(modifiedEvent); + } + }; + this._eventMap = this._eventMap || {}; + this._eventMap[cb] = wrappedCallback; + return nativeAddEventListener.apply(this, [nativeEventName, wrappedCallback]); + }; + + var nativeRemoveEventListener = proto.removeEventListener; + proto.removeEventListener = function (nativeEventName, cb) { + if (nativeEventName !== eventNameToWrap || !this._eventMap || !this._eventMap[cb]) { + return nativeRemoveEventListener.apply(this, arguments); + } + var unwrappedCb = this._eventMap[cb]; + delete this._eventMap[cb]; + 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) { + var navigator = window.navigator; + + // 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; + } + + if (navigator.mozGetUserMedia) { + // Firefox. + result.browser = 'firefox'; + result.version = extractVersion(navigator.userAgent, /Firefox\/(\d+)\./, 1); + } else if (navigator.webkitGetUserMedia || window.isSecureContext === false && window.webkitRTCPeerConnection && !window.RTCIceGatherer) { + // 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 (navigator.mediaDevices && navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)) { + // Edge. + result.browser = 'edge'; + result.version = extractVersion(navigator.userAgent, /Edge\/(\d+).(\d+)$/, 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; +} + +},{}],16:[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'; + +var SDPUtils = require('sdp'); + +function fixStatsType(stat) { + return { + inboundrtp: 'inbound-rtp', + outboundrtp: 'outbound-rtp', + candidatepair: 'candidate-pair', + localcandidate: 'local-candidate', + remotecandidate: 'remote-candidate' + }[stat.type] || stat.type; +} + +function writeMediaSection(transceiver, caps, type, stream, dtlsRole) { + var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps); + + // Map ICE parameters (ufrag, pwd) to SDP. + sdp += SDPUtils.writeIceParameters( + transceiver.iceGatherer.getLocalParameters()); + + // Map DTLS parameters to SDP. + sdp += SDPUtils.writeDtlsParameters( + transceiver.dtlsTransport.getLocalParameters(), + type === 'offer' ? 'actpass' : dtlsRole || 'active'); + + sdp += 'a=mid:' + transceiver.mid + '\r\n'; + + if (transceiver.rtpSender && transceiver.rtpReceiver) { + sdp += 'a=sendrecv\r\n'; + } else if (transceiver.rtpSender) { + sdp += 'a=sendonly\r\n'; + } else if (transceiver.rtpReceiver) { + sdp += 'a=recvonly\r\n'; + } else { + sdp += 'a=inactive\r\n'; + } + + if (transceiver.rtpSender) { + var trackId = transceiver.rtpSender._initialTrackId || + transceiver.rtpSender.track.id; + transceiver.rtpSender._initialTrackId = trackId; + // spec. + var msid = 'msid:' + (stream ? stream.id : '-') + ' ' + + trackId + '\r\n'; + sdp += 'a=' + msid; + // for Chrome. Legacy should no longer be required. + sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc + + ' ' + msid; + + // RTX + if (transceiver.sendEncodingParameters[0].rtx) { + sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc + + ' ' + msid; + sdp += 'a=ssrc-group:FID ' + + transceiver.sendEncodingParameters[0].ssrc + ' ' + + transceiver.sendEncodingParameters[0].rtx.ssrc + + '\r\n'; + } + } + // FIXME: this should be written by writeRtpDescription. + sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc + + ' cname:' + SDPUtils.localCName + '\r\n'; + if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) { + sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc + + ' cname:' + SDPUtils.localCName + '\r\n'; + } + return sdp; +} + +// Edge does not like +// 1) stun: filtered after 14393 unless ?transport=udp is present +// 2) turn: that does not have all of turn:host:port?transport=udp +// 3) turn: with ipv6 addresses +// 4) turn: occurring muliple times +function filterIceServers(iceServers, edgeVersion) { + var hasTurn = false; + iceServers = JSON.parse(JSON.stringify(iceServers)); + return iceServers.filter(function(server) { + if (server && (server.urls || server.url)) { + var urls = server.urls || server.url; + if (server.url && !server.urls) { + console.warn('RTCIceServer.url is deprecated! Use urls instead.'); + } + var isString = typeof urls === 'string'; + if (isString) { + urls = [urls]; + } + urls = urls.filter(function(url) { + var validTurn = url.indexOf('turn:') === 0 && + url.indexOf('transport=udp') !== -1 && + url.indexOf('turn:[') === -1 && + !hasTurn; + + if (validTurn) { + hasTurn = true; + return true; + } + return url.indexOf('stun:') === 0 && edgeVersion >= 14393 && + url.indexOf('?transport=udp') === -1; + }); + + delete server.url; + server.urls = isString ? urls[0] : urls; + return !!urls.length; + } + }); +} + +// Determines the intersection of local and remote capabilities. +function getCommonCapabilities(localCapabilities, remoteCapabilities) { + var commonCapabilities = { + codecs: [], + headerExtensions: [], + fecMechanisms: [] + }; + + var findCodecByPayloadType = function(pt, codecs) { + pt = parseInt(pt, 10); + for (var i = 0; i < codecs.length; i++) { + if (codecs[i].payloadType === pt || + codecs[i].preferredPayloadType === pt) { + return codecs[i]; + } + } + }; + + var rtxCapabilityMatches = function(lRtx, rRtx, lCodecs, rCodecs) { + var lCodec = findCodecByPayloadType(lRtx.parameters.apt, lCodecs); + var rCodec = findCodecByPayloadType(rRtx.parameters.apt, rCodecs); + return lCodec && rCodec && + lCodec.name.toLowerCase() === rCodec.name.toLowerCase(); + }; + + localCapabilities.codecs.forEach(function(lCodec) { + for (var i = 0; i < remoteCapabilities.codecs.length; i++) { + var rCodec = remoteCapabilities.codecs[i]; + if (lCodec.name.toLowerCase() === rCodec.name.toLowerCase() && + lCodec.clockRate === rCodec.clockRate) { + if (lCodec.name.toLowerCase() === 'rtx' && + lCodec.parameters && rCodec.parameters.apt) { + // for RTX we need to find the local rtx that has a apt + // which points to the same local codec as the remote one. + if (!rtxCapabilityMatches(lCodec, rCodec, + localCapabilities.codecs, remoteCapabilities.codecs)) { + continue; + } + } + rCodec = JSON.parse(JSON.stringify(rCodec)); // deepcopy + // number of channels is the highest common number of channels + rCodec.numChannels = Math.min(lCodec.numChannels, + rCodec.numChannels); + // push rCodec so we reply with offerer payload type + commonCapabilities.codecs.push(rCodec); + + // determine common feedback mechanisms + rCodec.rtcpFeedback = rCodec.rtcpFeedback.filter(function(fb) { + for (var j = 0; j < lCodec.rtcpFeedback.length; j++) { + if (lCodec.rtcpFeedback[j].type === fb.type && + lCodec.rtcpFeedback[j].parameter === fb.parameter) { + return true; + } + } + return false; + }); + // FIXME: also need to determine .parameters + // see https://github.com/openpeer/ortc/issues/569 + break; + } + } + }); + + localCapabilities.headerExtensions.forEach(function(lHeaderExtension) { + for (var i = 0; i < remoteCapabilities.headerExtensions.length; + i++) { + var rHeaderExtension = remoteCapabilities.headerExtensions[i]; + if (lHeaderExtension.uri === rHeaderExtension.uri) { + commonCapabilities.headerExtensions.push(rHeaderExtension); + break; + } + } + }); + + // FIXME: fecMechanisms + return commonCapabilities; +} + +// is action=setLocalDescription with type allowed in signalingState +function isActionAllowedInSignalingState(action, type, signalingState) { + return { + offer: { + setLocalDescription: ['stable', 'have-local-offer'], + setRemoteDescription: ['stable', 'have-remote-offer'] + }, + answer: { + setLocalDescription: ['have-remote-offer', 'have-local-pranswer'], + setRemoteDescription: ['have-local-offer', 'have-remote-pranswer'] + } + }[type][action].indexOf(signalingState) !== -1; +} + +function maybeAddCandidate(iceTransport, candidate) { + // Edge's internal representation adds some fields therefore + // not all fieldѕ are taken into account. + var alreadyAdded = iceTransport.getRemoteCandidates() + .find(function(remoteCandidate) { + return candidate.foundation === remoteCandidate.foundation && + candidate.ip === remoteCandidate.ip && + candidate.port === remoteCandidate.port && + candidate.priority === remoteCandidate.priority && + candidate.protocol === remoteCandidate.protocol && + candidate.type === remoteCandidate.type; + }); + if (!alreadyAdded) { + iceTransport.addRemoteCandidate(candidate); + } + return !alreadyAdded; +} + + +function makeError(name, description) { + var e = new Error(description); + e.name = name; + // legacy error codes from https://heycam.github.io/webidl/#idl-DOMException-error-names + e.code = { + NotSupportedError: 9, + InvalidStateError: 11, + InvalidAccessError: 15, + TypeError: undefined, + OperationError: undefined + }[name]; + return e; +} + +module.exports = function(window, edgeVersion) { + // https://w3c.github.io/mediacapture-main/#mediastream + // Helper function to add the track to the stream and + // dispatch the event ourselves. + function addTrackToStreamAndFireEvent(track, stream) { + stream.addTrack(track); + stream.dispatchEvent(new window.MediaStreamTrackEvent('addtrack', + {track: track})); + } + + function removeTrackFromStreamAndFireEvent(track, stream) { + stream.removeTrack(track); + stream.dispatchEvent(new window.MediaStreamTrackEvent('removetrack', + {track: track})); + } + + function fireAddTrack(pc, track, receiver, streams) { + var trackEvent = new Event('track'); + trackEvent.track = track; + trackEvent.receiver = receiver; + trackEvent.transceiver = {receiver: receiver}; + trackEvent.streams = streams; + window.setTimeout(function() { + pc._dispatchEvent('track', trackEvent); + }); + } + + var RTCPeerConnection = function(config) { + var pc = this; + + var _eventTarget = document.createDocumentFragment(); + ['addEventListener', 'removeEventListener', 'dispatchEvent'] + .forEach(function(method) { + pc[method] = _eventTarget[method].bind(_eventTarget); + }); + + this.canTrickleIceCandidates = null; + + this.needNegotiation = false; + + this.localStreams = []; + this.remoteStreams = []; + + this._localDescription = null; + this._remoteDescription = null; + + this.signalingState = 'stable'; + this.iceConnectionState = 'new'; + this.connectionState = 'new'; + this.iceGatheringState = 'new'; + + config = JSON.parse(JSON.stringify(config || {})); + + this.usingBundle = config.bundlePolicy === 'max-bundle'; + if (config.rtcpMuxPolicy === 'negotiate') { + throw(makeError('NotSupportedError', + 'rtcpMuxPolicy \'negotiate\' is not supported')); + } else if (!config.rtcpMuxPolicy) { + config.rtcpMuxPolicy = 'require'; + } + + switch (config.iceTransportPolicy) { + case 'all': + case 'relay': + break; + default: + config.iceTransportPolicy = 'all'; + break; + } + + switch (config.bundlePolicy) { + case 'balanced': + case 'max-compat': + case 'max-bundle': + break; + default: + config.bundlePolicy = 'balanced'; + break; + } + + config.iceServers = filterIceServers(config.iceServers || [], edgeVersion); + + this._iceGatherers = []; + if (config.iceCandidatePoolSize) { + for (var i = config.iceCandidatePoolSize; i > 0; i--) { + this._iceGatherers.push(new window.RTCIceGatherer({ + iceServers: config.iceServers, + gatherPolicy: config.iceTransportPolicy + })); + } + } else { + config.iceCandidatePoolSize = 0; + } + + this._config = config; + + // per-track iceGathers, iceTransports, dtlsTransports, rtpSenders, ... + // everything that is needed to describe a SDP m-line. + this.transceivers = []; + + this._sdpSessionId = SDPUtils.generateSessionId(); + this._sdpSessionVersion = 0; + + this._dtlsRole = undefined; // role for a=setup to use in answers. + + this._isClosed = false; + }; + + Object.defineProperty(RTCPeerConnection.prototype, 'localDescription', { + configurable: true, + get: function() { + return this._localDescription; + } + }); + Object.defineProperty(RTCPeerConnection.prototype, 'remoteDescription', { + configurable: true, + get: function() { + return this._remoteDescription; + } + }); + + // set up event handlers on prototype + RTCPeerConnection.prototype.onicecandidate = null; + RTCPeerConnection.prototype.onaddstream = null; + RTCPeerConnection.prototype.ontrack = null; + RTCPeerConnection.prototype.onremovestream = null; + RTCPeerConnection.prototype.onsignalingstatechange = null; + RTCPeerConnection.prototype.oniceconnectionstatechange = null; + RTCPeerConnection.prototype.onconnectionstatechange = null; + RTCPeerConnection.prototype.onicegatheringstatechange = null; + RTCPeerConnection.prototype.onnegotiationneeded = null; + RTCPeerConnection.prototype.ondatachannel = null; + + RTCPeerConnection.prototype._dispatchEvent = function(name, event) { + if (this._isClosed) { + return; + } + this.dispatchEvent(event); + if (typeof this['on' + name] === 'function') { + this['on' + name](event); + } + }; + + RTCPeerConnection.prototype._emitGatheringStateChange = function() { + var event = new Event('icegatheringstatechange'); + this._dispatchEvent('icegatheringstatechange', event); + }; + + RTCPeerConnection.prototype.getConfiguration = function() { + return this._config; + }; + + RTCPeerConnection.prototype.getLocalStreams = function() { + return this.localStreams; + }; + + RTCPeerConnection.prototype.getRemoteStreams = function() { + return this.remoteStreams; + }; + + // internal helper to create a transceiver object. + // (which is not yet the same as the WebRTC 1.0 transceiver) + RTCPeerConnection.prototype._createTransceiver = function(kind, doNotAdd) { + var hasBundleTransport = this.transceivers.length > 0; + var transceiver = { + track: null, + iceGatherer: null, + iceTransport: null, + dtlsTransport: null, + localCapabilities: null, + remoteCapabilities: null, + rtpSender: null, + rtpReceiver: null, + kind: kind, + mid: null, + sendEncodingParameters: null, + recvEncodingParameters: null, + stream: null, + associatedRemoteMediaStreams: [], + wantReceive: true + }; + if (this.usingBundle && hasBundleTransport) { + transceiver.iceTransport = this.transceivers[0].iceTransport; + transceiver.dtlsTransport = this.transceivers[0].dtlsTransport; + } else { + var transports = this._createIceAndDtlsTransports(); + transceiver.iceTransport = transports.iceTransport; + transceiver.dtlsTransport = transports.dtlsTransport; + } + if (!doNotAdd) { + this.transceivers.push(transceiver); + } + return transceiver; + }; + + RTCPeerConnection.prototype.addTrack = function(track, stream) { + if (this._isClosed) { + throw makeError('InvalidStateError', + 'Attempted to call addTrack on a closed peerconnection.'); + } + + var alreadyExists = this.transceivers.find(function(s) { + return s.track === track; + }); + + if (alreadyExists) { + throw makeError('InvalidAccessError', 'Track already exists.'); + } + + var transceiver; + for (var i = 0; i < this.transceivers.length; i++) { + if (!this.transceivers[i].track && + this.transceivers[i].kind === track.kind) { + transceiver = this.transceivers[i]; + } + } + if (!transceiver) { + transceiver = this._createTransceiver(track.kind); + } + + this._maybeFireNegotiationNeeded(); + + if (this.localStreams.indexOf(stream) === -1) { + this.localStreams.push(stream); + } + + transceiver.track = track; + transceiver.stream = stream; + transceiver.rtpSender = new window.RTCRtpSender(track, + transceiver.dtlsTransport); + return transceiver.rtpSender; + }; + + RTCPeerConnection.prototype.addStream = function(stream) { + var pc = this; + if (edgeVersion >= 15025) { + stream.getTracks().forEach(function(track) { + pc.addTrack(track, stream); + }); + } else { + // Clone is necessary for local demos mostly, attaching directly + // to two different senders does not work (build 10547). + // Fixed in 15025 (or earlier) + var clonedStream = stream.clone(); + stream.getTracks().forEach(function(track, idx) { + var clonedTrack = clonedStream.getTracks()[idx]; + track.addEventListener('enabled', function(event) { + clonedTrack.enabled = event.enabled; + }); + }); + clonedStream.getTracks().forEach(function(track) { + pc.addTrack(track, clonedStream); + }); + } + }; + + RTCPeerConnection.prototype.removeTrack = function(sender) { + if (this._isClosed) { + throw makeError('InvalidStateError', + 'Attempted to call removeTrack on a closed peerconnection.'); + } + + if (!(sender instanceof window.RTCRtpSender)) { + throw new TypeError('Argument 1 of RTCPeerConnection.removeTrack ' + + 'does not implement interface RTCRtpSender.'); + } + + var transceiver = this.transceivers.find(function(t) { + return t.rtpSender === sender; + }); + + if (!transceiver) { + throw makeError('InvalidAccessError', + 'Sender was not created by this connection.'); + } + var stream = transceiver.stream; + + transceiver.rtpSender.stop(); + transceiver.rtpSender = null; + transceiver.track = null; + transceiver.stream = null; + + // remove the stream from the set of local streams + var localStreams = this.transceivers.map(function(t) { + return t.stream; + }); + if (localStreams.indexOf(stream) === -1 && + this.localStreams.indexOf(stream) > -1) { + this.localStreams.splice(this.localStreams.indexOf(stream), 1); + } + + this._maybeFireNegotiationNeeded(); + }; + + RTCPeerConnection.prototype.removeStream = function(stream) { + var pc = this; + stream.getTracks().forEach(function(track) { + var sender = pc.getSenders().find(function(s) { + return s.track === track; + }); + if (sender) { + pc.removeTrack(sender); + } + }); + }; + + RTCPeerConnection.prototype.getSenders = function() { + return this.transceivers.filter(function(transceiver) { + return !!transceiver.rtpSender; + }) + .map(function(transceiver) { + return transceiver.rtpSender; + }); + }; + + RTCPeerConnection.prototype.getReceivers = function() { + return this.transceivers.filter(function(transceiver) { + return !!transceiver.rtpReceiver; + }) + .map(function(transceiver) { + return transceiver.rtpReceiver; + }); + }; + + + RTCPeerConnection.prototype._createIceGatherer = function(sdpMLineIndex, + usingBundle) { + var pc = this; + if (usingBundle && sdpMLineIndex > 0) { + return this.transceivers[0].iceGatherer; + } else if (this._iceGatherers.length) { + return this._iceGatherers.shift(); + } + var iceGatherer = new window.RTCIceGatherer({ + iceServers: this._config.iceServers, + gatherPolicy: this._config.iceTransportPolicy + }); + Object.defineProperty(iceGatherer, 'state', + {value: 'new', writable: true} + ); + + this.transceivers[sdpMLineIndex].bufferedCandidateEvents = []; + this.transceivers[sdpMLineIndex].bufferCandidates = function(event) { + var end = !event.candidate || Object.keys(event.candidate).length === 0; + // polyfill since RTCIceGatherer.state is not implemented in + // Edge 10547 yet. + iceGatherer.state = end ? 'completed' : 'gathering'; + if (pc.transceivers[sdpMLineIndex].bufferedCandidateEvents !== null) { + pc.transceivers[sdpMLineIndex].bufferedCandidateEvents.push(event); + } + }; + iceGatherer.addEventListener('localcandidate', + this.transceivers[sdpMLineIndex].bufferCandidates); + return iceGatherer; + }; + + // start gathering from an RTCIceGatherer. + RTCPeerConnection.prototype._gather = function(mid, sdpMLineIndex) { + var pc = this; + var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer; + if (iceGatherer.onlocalcandidate) { + return; + } + var bufferedCandidateEvents = + this.transceivers[sdpMLineIndex].bufferedCandidateEvents; + this.transceivers[sdpMLineIndex].bufferedCandidateEvents = null; + iceGatherer.removeEventListener('localcandidate', + this.transceivers[sdpMLineIndex].bufferCandidates); + iceGatherer.onlocalcandidate = function(evt) { + if (pc.usingBundle && sdpMLineIndex > 0) { + // if we know that we use bundle we can drop candidates with + // ѕdpMLineIndex > 0. If we don't do this then our state gets + // confused since we dispose the extra ice gatherer. + return; + } + var event = new Event('icecandidate'); + event.candidate = {sdpMid: mid, sdpMLineIndex: sdpMLineIndex}; + + var cand = evt.candidate; + // Edge emits an empty object for RTCIceCandidateComplete‥ + var end = !cand || Object.keys(cand).length === 0; + if (end) { + // polyfill since RTCIceGatherer.state is not implemented in + // Edge 10547 yet. + if (iceGatherer.state === 'new' || iceGatherer.state === 'gathering') { + iceGatherer.state = 'completed'; + } + } else { + if (iceGatherer.state === 'new') { + iceGatherer.state = 'gathering'; + } + // RTCIceCandidate doesn't have a component, needs to be added + cand.component = 1; + // also the usernameFragment. TODO: update SDP to take both variants. + cand.ufrag = iceGatherer.getLocalParameters().usernameFragment; + + var serializedCandidate = SDPUtils.writeCandidate(cand); + event.candidate = Object.assign(event.candidate, + SDPUtils.parseCandidate(serializedCandidate)); + + event.candidate.candidate = serializedCandidate; + event.candidate.toJSON = function() { + return { + candidate: event.candidate.candidate, + sdpMid: event.candidate.sdpMid, + sdpMLineIndex: event.candidate.sdpMLineIndex, + usernameFragment: event.candidate.usernameFragment + }; + }; + } + + // update local description. + var sections = SDPUtils.getMediaSections(pc._localDescription.sdp); + if (!end) { + sections[event.candidate.sdpMLineIndex] += + 'a=' + event.candidate.candidate + '\r\n'; + } else { + sections[event.candidate.sdpMLineIndex] += + 'a=end-of-candidates\r\n'; + } + pc._localDescription.sdp = + SDPUtils.getDescription(pc._localDescription.sdp) + + sections.join(''); + var complete = pc.transceivers.every(function(transceiver) { + return transceiver.iceGatherer && + transceiver.iceGatherer.state === 'completed'; + }); + + if (pc.iceGatheringState !== 'gathering') { + pc.iceGatheringState = 'gathering'; + pc._emitGatheringStateChange(); + } + + // Emit candidate. Also emit null candidate when all gatherers are + // complete. + if (!end) { + pc._dispatchEvent('icecandidate', event); + } + if (complete) { + pc._dispatchEvent('icecandidate', new Event('icecandidate')); + pc.iceGatheringState = 'complete'; + pc._emitGatheringStateChange(); + } + }; + + // emit already gathered candidates. + window.setTimeout(function() { + bufferedCandidateEvents.forEach(function(e) { + iceGatherer.onlocalcandidate(e); + }); + }, 0); + }; + + // Create ICE transport and DTLS transport. + RTCPeerConnection.prototype._createIceAndDtlsTransports = function() { + var pc = this; + var iceTransport = new window.RTCIceTransport(null); + iceTransport.onicestatechange = function() { + pc._updateIceConnectionState(); + pc._updateConnectionState(); + }; + + var dtlsTransport = new window.RTCDtlsTransport(iceTransport); + dtlsTransport.ondtlsstatechange = function() { + pc._updateConnectionState(); + }; + dtlsTransport.onerror = function() { + // onerror does not set state to failed by itself. + Object.defineProperty(dtlsTransport, 'state', + {value: 'failed', writable: true}); + pc._updateConnectionState(); + }; + + return { + iceTransport: iceTransport, + dtlsTransport: dtlsTransport + }; + }; + + // Destroy ICE gatherer, ICE transport and DTLS transport. + // Without triggering the callbacks. + RTCPeerConnection.prototype._disposeIceAndDtlsTransports = function( + sdpMLineIndex) { + var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer; + if (iceGatherer) { + delete iceGatherer.onlocalcandidate; + delete this.transceivers[sdpMLineIndex].iceGatherer; + } + var iceTransport = this.transceivers[sdpMLineIndex].iceTransport; + if (iceTransport) { + delete iceTransport.onicestatechange; + delete this.transceivers[sdpMLineIndex].iceTransport; + } + var dtlsTransport = this.transceivers[sdpMLineIndex].dtlsTransport; + if (dtlsTransport) { + delete dtlsTransport.ondtlsstatechange; + delete dtlsTransport.onerror; + delete this.transceivers[sdpMLineIndex].dtlsTransport; + } + }; + + // Start the RTP Sender and Receiver for a transceiver. + RTCPeerConnection.prototype._transceive = function(transceiver, + send, recv) { + var params = getCommonCapabilities(transceiver.localCapabilities, + transceiver.remoteCapabilities); + if (send && transceiver.rtpSender) { + params.encodings = transceiver.sendEncodingParameters; + params.rtcp = { + cname: SDPUtils.localCName, + compound: transceiver.rtcpParameters.compound + }; + if (transceiver.recvEncodingParameters.length) { + params.rtcp.ssrc = transceiver.recvEncodingParameters[0].ssrc; + } + transceiver.rtpSender.send(params); + } + if (recv && transceiver.rtpReceiver && params.codecs.length > 0) { + // remove RTX field in Edge 14942 + if (transceiver.kind === 'video' + && transceiver.recvEncodingParameters + && edgeVersion < 15019) { + transceiver.recvEncodingParameters.forEach(function(p) { + delete p.rtx; + }); + } + if (transceiver.recvEncodingParameters.length) { + params.encodings = transceiver.recvEncodingParameters; + } else { + params.encodings = [{}]; + } + params.rtcp = { + compound: transceiver.rtcpParameters.compound + }; + if (transceiver.rtcpParameters.cname) { + params.rtcp.cname = transceiver.rtcpParameters.cname; + } + if (transceiver.sendEncodingParameters.length) { + params.rtcp.ssrc = transceiver.sendEncodingParameters[0].ssrc; + } + transceiver.rtpReceiver.receive(params); + } + }; + + RTCPeerConnection.prototype.setLocalDescription = function(description) { + var pc = this; + + // Note: pranswer is not supported. + if (['offer', 'answer'].indexOf(description.type) === -1) { + return Promise.reject(makeError('TypeError', + 'Unsupported type "' + description.type + '"')); + } + + if (!isActionAllowedInSignalingState('setLocalDescription', + description.type, pc.signalingState) || pc._isClosed) { + return Promise.reject(makeError('InvalidStateError', + 'Can not set local ' + description.type + + ' in state ' + pc.signalingState)); + } + + var sections; + var sessionpart; + if (description.type === 'offer') { + // VERY limited support for SDP munging. Limited to: + // * changing the order of codecs + sections = SDPUtils.splitSections(description.sdp); + sessionpart = sections.shift(); + sections.forEach(function(mediaSection, sdpMLineIndex) { + var caps = SDPUtils.parseRtpParameters(mediaSection); + pc.transceivers[sdpMLineIndex].localCapabilities = caps; + }); + + pc.transceivers.forEach(function(transceiver, sdpMLineIndex) { + pc._gather(transceiver.mid, sdpMLineIndex); + }); + } else if (description.type === 'answer') { + sections = SDPUtils.splitSections(pc._remoteDescription.sdp); + sessionpart = sections.shift(); + var isIceLite = SDPUtils.matchPrefix(sessionpart, + 'a=ice-lite').length > 0; + sections.forEach(function(mediaSection, sdpMLineIndex) { + var transceiver = pc.transceivers[sdpMLineIndex]; + var iceGatherer = transceiver.iceGatherer; + var iceTransport = transceiver.iceTransport; + var dtlsTransport = transceiver.dtlsTransport; + var localCapabilities = transceiver.localCapabilities; + var remoteCapabilities = transceiver.remoteCapabilities; + + // treat bundle-only as not-rejected. + var rejected = SDPUtils.isRejected(mediaSection) && + SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0; + + if (!rejected && !transceiver.rejected) { + var remoteIceParameters = SDPUtils.getIceParameters( + mediaSection, sessionpart); + var remoteDtlsParameters = SDPUtils.getDtlsParameters( + mediaSection, sessionpart); + if (isIceLite) { + remoteDtlsParameters.role = 'server'; + } + + if (!pc.usingBundle || sdpMLineIndex === 0) { + pc._gather(transceiver.mid, sdpMLineIndex); + if (iceTransport.state === 'new') { + iceTransport.start(iceGatherer, remoteIceParameters, + isIceLite ? 'controlling' : 'controlled'); + } + if (dtlsTransport.state === 'new') { + dtlsTransport.start(remoteDtlsParameters); + } + } + + // Calculate intersection of capabilities. + var params = getCommonCapabilities(localCapabilities, + remoteCapabilities); + + // Start the RTCRtpSender. The RTCRtpReceiver for this + // transceiver has already been started in setRemoteDescription. + pc._transceive(transceiver, + params.codecs.length > 0, + false); + } + }); + } + + pc._localDescription = { + type: description.type, + sdp: description.sdp + }; + if (description.type === 'offer') { + pc._updateSignalingState('have-local-offer'); + } else { + pc._updateSignalingState('stable'); + } + + return Promise.resolve(); + }; + + RTCPeerConnection.prototype.setRemoteDescription = function(description) { + var pc = this; + + // Note: pranswer is not supported. + if (['offer', 'answer'].indexOf(description.type) === -1) { + return Promise.reject(makeError('TypeError', + 'Unsupported type "' + description.type + '"')); + } + + if (!isActionAllowedInSignalingState('setRemoteDescription', + description.type, pc.signalingState) || pc._isClosed) { + return Promise.reject(makeError('InvalidStateError', + 'Can not set remote ' + description.type + + ' in state ' + pc.signalingState)); + } + + var streams = {}; + pc.remoteStreams.forEach(function(stream) { + streams[stream.id] = stream; + }); + var receiverList = []; + var sections = SDPUtils.splitSections(description.sdp); + var sessionpart = sections.shift(); + var isIceLite = SDPUtils.matchPrefix(sessionpart, + 'a=ice-lite').length > 0; + var usingBundle = SDPUtils.matchPrefix(sessionpart, + 'a=group:BUNDLE ').length > 0; + pc.usingBundle = usingBundle; + var iceOptions = SDPUtils.matchPrefix(sessionpart, + 'a=ice-options:')[0]; + if (iceOptions) { + pc.canTrickleIceCandidates = iceOptions.substr(14).split(' ') + .indexOf('trickle') >= 0; + } else { + pc.canTrickleIceCandidates = false; + } + + sections.forEach(function(mediaSection, sdpMLineIndex) { + var lines = SDPUtils.splitLines(mediaSection); + var kind = SDPUtils.getKind(mediaSection); + // treat bundle-only as not-rejected. + var rejected = SDPUtils.isRejected(mediaSection) && + SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0; + var protocol = lines[0].substr(2).split(' ')[2]; + + var direction = SDPUtils.getDirection(mediaSection, sessionpart); + var remoteMsid = SDPUtils.parseMsid(mediaSection); + + var mid = SDPUtils.getMid(mediaSection) || SDPUtils.generateIdentifier(); + + // Reject datachannels which are not implemented yet. + if (rejected || (kind === 'application' && (protocol === 'DTLS/SCTP' || + protocol === 'UDP/DTLS/SCTP'))) { + // TODO: this is dangerous in the case where a non-rejected m-line + // becomes rejected. + pc.transceivers[sdpMLineIndex] = { + mid: mid, + kind: kind, + protocol: protocol, + rejected: true + }; + return; + } + + if (!rejected && pc.transceivers[sdpMLineIndex] && + pc.transceivers[sdpMLineIndex].rejected) { + // recycle a rejected transceiver. + pc.transceivers[sdpMLineIndex] = pc._createTransceiver(kind, true); + } + + var transceiver; + var iceGatherer; + var iceTransport; + var dtlsTransport; + var rtpReceiver; + var sendEncodingParameters; + var recvEncodingParameters; + var localCapabilities; + + var track; + // FIXME: ensure the mediaSection has rtcp-mux set. + var remoteCapabilities = SDPUtils.parseRtpParameters(mediaSection); + var remoteIceParameters; + var remoteDtlsParameters; + if (!rejected) { + remoteIceParameters = SDPUtils.getIceParameters(mediaSection, + sessionpart); + remoteDtlsParameters = SDPUtils.getDtlsParameters(mediaSection, + sessionpart); + remoteDtlsParameters.role = 'client'; + } + recvEncodingParameters = + SDPUtils.parseRtpEncodingParameters(mediaSection); + + var rtcpParameters = SDPUtils.parseRtcpParameters(mediaSection); + + var isComplete = SDPUtils.matchPrefix(mediaSection, + 'a=end-of-candidates', sessionpart).length > 0; + var cands = SDPUtils.matchPrefix(mediaSection, 'a=candidate:') + .map(function(cand) { + return SDPUtils.parseCandidate(cand); + }) + .filter(function(cand) { + return cand.component === 1; + }); + + // Check if we can use BUNDLE and dispose transports. + if ((description.type === 'offer' || description.type === 'answer') && + !rejected && usingBundle && sdpMLineIndex > 0 && + pc.transceivers[sdpMLineIndex]) { + pc._disposeIceAndDtlsTransports(sdpMLineIndex); + pc.transceivers[sdpMLineIndex].iceGatherer = + pc.transceivers[0].iceGatherer; + pc.transceivers[sdpMLineIndex].iceTransport = + pc.transceivers[0].iceTransport; + pc.transceivers[sdpMLineIndex].dtlsTransport = + pc.transceivers[0].dtlsTransport; + if (pc.transceivers[sdpMLineIndex].rtpSender) { + pc.transceivers[sdpMLineIndex].rtpSender.setTransport( + pc.transceivers[0].dtlsTransport); + } + if (pc.transceivers[sdpMLineIndex].rtpReceiver) { + pc.transceivers[sdpMLineIndex].rtpReceiver.setTransport( + pc.transceivers[0].dtlsTransport); + } + } + if (description.type === 'offer' && !rejected) { + transceiver = pc.transceivers[sdpMLineIndex] || + pc._createTransceiver(kind); + transceiver.mid = mid; + + if (!transceiver.iceGatherer) { + transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex, + usingBundle); + } + + if (cands.length && transceiver.iceTransport.state === 'new') { + if (isComplete && (!usingBundle || sdpMLineIndex === 0)) { + transceiver.iceTransport.setRemoteCandidates(cands); + } else { + cands.forEach(function(candidate) { + maybeAddCandidate(transceiver.iceTransport, candidate); + }); + } + } + + localCapabilities = window.RTCRtpReceiver.getCapabilities(kind); + + // filter RTX until additional stuff needed for RTX is implemented + // in adapter.js + if (edgeVersion < 15019) { + localCapabilities.codecs = localCapabilities.codecs.filter( + function(codec) { + return codec.name !== 'rtx'; + }); + } + + sendEncodingParameters = transceiver.sendEncodingParameters || [{ + ssrc: (2 * sdpMLineIndex + 2) * 1001 + }]; + + // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams + var isNewTrack = false; + if (direction === 'sendrecv' || direction === 'sendonly') { + isNewTrack = !transceiver.rtpReceiver; + rtpReceiver = transceiver.rtpReceiver || + new window.RTCRtpReceiver(transceiver.dtlsTransport, kind); + + if (isNewTrack) { + var stream; + track = rtpReceiver.track; + // FIXME: does not work with Plan B. + if (remoteMsid && remoteMsid.stream === '-') { + // no-op. a stream id of '-' means: no associated stream. + } else if (remoteMsid) { + if (!streams[remoteMsid.stream]) { + streams[remoteMsid.stream] = new window.MediaStream(); + Object.defineProperty(streams[remoteMsid.stream], 'id', { + get: function() { + return remoteMsid.stream; + } + }); + } + Object.defineProperty(track, 'id', { + get: function() { + return remoteMsid.track; + } + }); + stream = streams[remoteMsid.stream]; + } else { + if (!streams.default) { + streams.default = new window.MediaStream(); + } + stream = streams.default; + } + if (stream) { + addTrackToStreamAndFireEvent(track, stream); + transceiver.associatedRemoteMediaStreams.push(stream); + } + receiverList.push([track, rtpReceiver, stream]); + } + } else if (transceiver.rtpReceiver && transceiver.rtpReceiver.track) { + transceiver.associatedRemoteMediaStreams.forEach(function(s) { + var nativeTrack = s.getTracks().find(function(t) { + return t.id === transceiver.rtpReceiver.track.id; + }); + if (nativeTrack) { + removeTrackFromStreamAndFireEvent(nativeTrack, s); + } + }); + transceiver.associatedRemoteMediaStreams = []; + } + + transceiver.localCapabilities = localCapabilities; + transceiver.remoteCapabilities = remoteCapabilities; + transceiver.rtpReceiver = rtpReceiver; + transceiver.rtcpParameters = rtcpParameters; + transceiver.sendEncodingParameters = sendEncodingParameters; + transceiver.recvEncodingParameters = recvEncodingParameters; + + // Start the RTCRtpReceiver now. The RTPSender is started in + // setLocalDescription. + pc._transceive(pc.transceivers[sdpMLineIndex], + false, + isNewTrack); + } else if (description.type === 'answer' && !rejected) { + transceiver = pc.transceivers[sdpMLineIndex]; + iceGatherer = transceiver.iceGatherer; + iceTransport = transceiver.iceTransport; + dtlsTransport = transceiver.dtlsTransport; + rtpReceiver = transceiver.rtpReceiver; + sendEncodingParameters = transceiver.sendEncodingParameters; + localCapabilities = transceiver.localCapabilities; + + pc.transceivers[sdpMLineIndex].recvEncodingParameters = + recvEncodingParameters; + pc.transceivers[sdpMLineIndex].remoteCapabilities = + remoteCapabilities; + pc.transceivers[sdpMLineIndex].rtcpParameters = rtcpParameters; + + if (cands.length && iceTransport.state === 'new') { + if ((isIceLite || isComplete) && + (!usingBundle || sdpMLineIndex === 0)) { + iceTransport.setRemoteCandidates(cands); + } else { + cands.forEach(function(candidate) { + maybeAddCandidate(transceiver.iceTransport, candidate); + }); + } + } + + if (!usingBundle || sdpMLineIndex === 0) { + if (iceTransport.state === 'new') { + iceTransport.start(iceGatherer, remoteIceParameters, + 'controlling'); + } + if (dtlsTransport.state === 'new') { + dtlsTransport.start(remoteDtlsParameters); + } + } + + // If the offer contained RTX but the answer did not, + // remove RTX from sendEncodingParameters. + var commonCapabilities = getCommonCapabilities( + transceiver.localCapabilities, + transceiver.remoteCapabilities); + + var hasRtx = commonCapabilities.codecs.filter(function(c) { + return c.name.toLowerCase() === 'rtx'; + }).length; + if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) { + delete transceiver.sendEncodingParameters[0].rtx; + } + + pc._transceive(transceiver, + direction === 'sendrecv' || direction === 'recvonly', + direction === 'sendrecv' || direction === 'sendonly'); + + // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams + if (rtpReceiver && + (direction === 'sendrecv' || direction === 'sendonly')) { + track = rtpReceiver.track; + if (remoteMsid) { + if (!streams[remoteMsid.stream]) { + streams[remoteMsid.stream] = new window.MediaStream(); + } + addTrackToStreamAndFireEvent(track, streams[remoteMsid.stream]); + receiverList.push([track, rtpReceiver, streams[remoteMsid.stream]]); + } else { + if (!streams.default) { + streams.default = new window.MediaStream(); + } + addTrackToStreamAndFireEvent(track, streams.default); + receiverList.push([track, rtpReceiver, streams.default]); + } + } else { + // FIXME: actually the receiver should be created later. + delete transceiver.rtpReceiver; + } + } + }); + + if (pc._dtlsRole === undefined) { + pc._dtlsRole = description.type === 'offer' ? 'active' : 'passive'; + } + + pc._remoteDescription = { + type: description.type, + sdp: description.sdp + }; + if (description.type === 'offer') { + pc._updateSignalingState('have-remote-offer'); + } else { + pc._updateSignalingState('stable'); + } + Object.keys(streams).forEach(function(sid) { + var stream = streams[sid]; + if (stream.getTracks().length) { + if (pc.remoteStreams.indexOf(stream) === -1) { + pc.remoteStreams.push(stream); + var event = new Event('addstream'); + event.stream = stream; + window.setTimeout(function() { + pc._dispatchEvent('addstream', event); + }); + } + + receiverList.forEach(function(item) { + var track = item[0]; + var receiver = item[1]; + if (stream.id !== item[2].id) { + return; + } + fireAddTrack(pc, track, receiver, [stream]); + }); + } + }); + receiverList.forEach(function(item) { + if (item[2]) { + return; + } + fireAddTrack(pc, item[0], item[1], []); + }); + + // check whether addIceCandidate({}) was called within four seconds after + // setRemoteDescription. + window.setTimeout(function() { + if (!(pc && pc.transceivers)) { + return; + } + pc.transceivers.forEach(function(transceiver) { + if (transceiver.iceTransport && + transceiver.iceTransport.state === 'new' && + transceiver.iceTransport.getRemoteCandidates().length > 0) { + console.warn('Timeout for addRemoteCandidate. Consider sending ' + + 'an end-of-candidates notification'); + transceiver.iceTransport.addRemoteCandidate({}); + } + }); + }, 4000); + + return Promise.resolve(); + }; + + RTCPeerConnection.prototype.close = function() { + this.transceivers.forEach(function(transceiver) { + /* not yet + if (transceiver.iceGatherer) { + transceiver.iceGatherer.close(); + } + */ + if (transceiver.iceTransport) { + transceiver.iceTransport.stop(); + } + if (transceiver.dtlsTransport) { + transceiver.dtlsTransport.stop(); + } + if (transceiver.rtpSender) { + transceiver.rtpSender.stop(); + } + if (transceiver.rtpReceiver) { + transceiver.rtpReceiver.stop(); + } + }); + // FIXME: clean up tracks, local streams, remote streams, etc + this._isClosed = true; + this._updateSignalingState('closed'); + }; + + // Update the signaling state. + RTCPeerConnection.prototype._updateSignalingState = function(newState) { + this.signalingState = newState; + var event = new Event('signalingstatechange'); + this._dispatchEvent('signalingstatechange', event); + }; + + // Determine whether to fire the negotiationneeded event. + RTCPeerConnection.prototype._maybeFireNegotiationNeeded = function() { + var pc = this; + if (this.signalingState !== 'stable' || this.needNegotiation === true) { + return; + } + this.needNegotiation = true; + window.setTimeout(function() { + if (pc.needNegotiation) { + pc.needNegotiation = false; + var event = new Event('negotiationneeded'); + pc._dispatchEvent('negotiationneeded', event); + } + }, 0); + }; + + // Update the ice connection state. + RTCPeerConnection.prototype._updateIceConnectionState = function() { + var newState; + var states = { + 'new': 0, + closed: 0, + checking: 0, + connected: 0, + completed: 0, + disconnected: 0, + failed: 0 + }; + this.transceivers.forEach(function(transceiver) { + if (transceiver.iceTransport && !transceiver.rejected) { + states[transceiver.iceTransport.state]++; + } + }); + + newState = 'new'; + if (states.failed > 0) { + newState = 'failed'; + } else if (states.checking > 0) { + newState = 'checking'; + } else if (states.disconnected > 0) { + newState = 'disconnected'; + } else if (states.new > 0) { + newState = 'new'; + } else if (states.connected > 0) { + newState = 'connected'; + } else if (states.completed > 0) { + newState = 'completed'; + } + + if (newState !== this.iceConnectionState) { + this.iceConnectionState = newState; + var event = new Event('iceconnectionstatechange'); + this._dispatchEvent('iceconnectionstatechange', event); + } + }; + + // Update the connection state. + RTCPeerConnection.prototype._updateConnectionState = function() { + var newState; + var states = { + 'new': 0, + closed: 0, + connecting: 0, + connected: 0, + completed: 0, + disconnected: 0, + failed: 0 + }; + this.transceivers.forEach(function(transceiver) { + if (transceiver.iceTransport && transceiver.dtlsTransport && + !transceiver.rejected) { + states[transceiver.iceTransport.state]++; + states[transceiver.dtlsTransport.state]++; + } + }); + // ICETransport.completed and connected are the same for this purpose. + states.connected += states.completed; + + newState = 'new'; + if (states.failed > 0) { + newState = 'failed'; + } else if (states.connecting > 0) { + newState = 'connecting'; + } else if (states.disconnected > 0) { + newState = 'disconnected'; + } else if (states.new > 0) { + newState = 'new'; + } else if (states.connected > 0) { + newState = 'connected'; + } + + if (newState !== this.connectionState) { + this.connectionState = newState; + var event = new Event('connectionstatechange'); + this._dispatchEvent('connectionstatechange', event); + } + }; + + RTCPeerConnection.prototype.createOffer = function() { + var pc = this; + + if (pc._isClosed) { + return Promise.reject(makeError('InvalidStateError', + 'Can not call createOffer after close')); + } + + var numAudioTracks = pc.transceivers.filter(function(t) { + return t.kind === 'audio'; + }).length; + var numVideoTracks = pc.transceivers.filter(function(t) { + return t.kind === 'video'; + }).length; + + // Determine number of audio and video tracks we need to send/recv. + var offerOptions = arguments[0]; + if (offerOptions) { + // Reject Chrome legacy constraints. + if (offerOptions.mandatory || offerOptions.optional) { + throw new TypeError( + 'Legacy mandatory/optional constraints not supported.'); + } + if (offerOptions.offerToReceiveAudio !== undefined) { + if (offerOptions.offerToReceiveAudio === true) { + numAudioTracks = 1; + } else if (offerOptions.offerToReceiveAudio === false) { + numAudioTracks = 0; + } else { + numAudioTracks = offerOptions.offerToReceiveAudio; + } + } + if (offerOptions.offerToReceiveVideo !== undefined) { + if (offerOptions.offerToReceiveVideo === true) { + numVideoTracks = 1; + } else if (offerOptions.offerToReceiveVideo === false) { + numVideoTracks = 0; + } else { + numVideoTracks = offerOptions.offerToReceiveVideo; + } + } + } + + pc.transceivers.forEach(function(transceiver) { + if (transceiver.kind === 'audio') { + numAudioTracks--; + if (numAudioTracks < 0) { + transceiver.wantReceive = false; + } + } else if (transceiver.kind === 'video') { + numVideoTracks--; + if (numVideoTracks < 0) { + transceiver.wantReceive = false; + } + } + }); + + // Create M-lines for recvonly streams. + while (numAudioTracks > 0 || numVideoTracks > 0) { + if (numAudioTracks > 0) { + pc._createTransceiver('audio'); + numAudioTracks--; + } + if (numVideoTracks > 0) { + pc._createTransceiver('video'); + numVideoTracks--; + } + } + + var sdp = SDPUtils.writeSessionBoilerplate(pc._sdpSessionId, + pc._sdpSessionVersion++); + pc.transceivers.forEach(function(transceiver, sdpMLineIndex) { + // For each track, create an ice gatherer, ice transport, + // dtls transport, potentially rtpsender and rtpreceiver. + var track = transceiver.track; + var kind = transceiver.kind; + var mid = transceiver.mid || SDPUtils.generateIdentifier(); + transceiver.mid = mid; + + if (!transceiver.iceGatherer) { + transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex, + pc.usingBundle); + } + + var localCapabilities = window.RTCRtpSender.getCapabilities(kind); + // filter RTX until additional stuff needed for RTX is implemented + // in adapter.js + if (edgeVersion < 15019) { + localCapabilities.codecs = localCapabilities.codecs.filter( + function(codec) { + return codec.name !== 'rtx'; + }); + } + localCapabilities.codecs.forEach(function(codec) { + // work around https://bugs.chromium.org/p/webrtc/issues/detail?id=6552 + // by adding level-asymmetry-allowed=1 + if (codec.name === 'H264' && + codec.parameters['level-asymmetry-allowed'] === undefined) { + codec.parameters['level-asymmetry-allowed'] = '1'; + } + + // for subsequent offers, we might have to re-use the payload + // type of the last offer. + if (transceiver.remoteCapabilities && + transceiver.remoteCapabilities.codecs) { + transceiver.remoteCapabilities.codecs.forEach(function(remoteCodec) { + if (codec.name.toLowerCase() === remoteCodec.name.toLowerCase() && + codec.clockRate === remoteCodec.clockRate) { + codec.preferredPayloadType = remoteCodec.payloadType; + } + }); + } + }); + localCapabilities.headerExtensions.forEach(function(hdrExt) { + var remoteExtensions = transceiver.remoteCapabilities && + transceiver.remoteCapabilities.headerExtensions || []; + remoteExtensions.forEach(function(rHdrExt) { + if (hdrExt.uri === rHdrExt.uri) { + hdrExt.id = rHdrExt.id; + } + }); + }); + + // generate an ssrc now, to be used later in rtpSender.send + var sendEncodingParameters = transceiver.sendEncodingParameters || [{ + ssrc: (2 * sdpMLineIndex + 1) * 1001 + }]; + if (track) { + // add RTX + if (edgeVersion >= 15019 && kind === 'video' && + !sendEncodingParameters[0].rtx) { + sendEncodingParameters[0].rtx = { + ssrc: sendEncodingParameters[0].ssrc + 1 + }; + } + } + + if (transceiver.wantReceive) { + transceiver.rtpReceiver = new window.RTCRtpReceiver( + transceiver.dtlsTransport, kind); + } + + transceiver.localCapabilities = localCapabilities; + transceiver.sendEncodingParameters = sendEncodingParameters; + }); + + // always offer BUNDLE and dispose on return if not supported. + if (pc._config.bundlePolicy !== 'max-compat') { + sdp += 'a=group:BUNDLE ' + pc.transceivers.map(function(t) { + return t.mid; + }).join(' ') + '\r\n'; + } + sdp += 'a=ice-options:trickle\r\n'; + + pc.transceivers.forEach(function(transceiver, sdpMLineIndex) { + sdp += writeMediaSection(transceiver, transceiver.localCapabilities, + 'offer', transceiver.stream, pc._dtlsRole); + sdp += 'a=rtcp-rsize\r\n'; + + if (transceiver.iceGatherer && pc.iceGatheringState !== 'new' && + (sdpMLineIndex === 0 || !pc.usingBundle)) { + transceiver.iceGatherer.getLocalCandidates().forEach(function(cand) { + cand.component = 1; + sdp += 'a=' + SDPUtils.writeCandidate(cand) + '\r\n'; + }); + + if (transceiver.iceGatherer.state === 'completed') { + sdp += 'a=end-of-candidates\r\n'; + } + } + }); + + var desc = new window.RTCSessionDescription({ + type: 'offer', + sdp: sdp + }); + return Promise.resolve(desc); + }; + + RTCPeerConnection.prototype.createAnswer = function() { + var pc = this; + + if (pc._isClosed) { + return Promise.reject(makeError('InvalidStateError', + 'Can not call createAnswer after close')); + } + + if (!(pc.signalingState === 'have-remote-offer' || + pc.signalingState === 'have-local-pranswer')) { + return Promise.reject(makeError('InvalidStateError', + 'Can not call createAnswer in signalingState ' + pc.signalingState)); + } + + var sdp = SDPUtils.writeSessionBoilerplate(pc._sdpSessionId, + pc._sdpSessionVersion++); + if (pc.usingBundle) { + sdp += 'a=group:BUNDLE ' + pc.transceivers.map(function(t) { + return t.mid; + }).join(' ') + '\r\n'; + } + sdp += 'a=ice-options:trickle\r\n'; + + var mediaSectionsInOffer = SDPUtils.getMediaSections( + pc._remoteDescription.sdp).length; + pc.transceivers.forEach(function(transceiver, sdpMLineIndex) { + if (sdpMLineIndex + 1 > mediaSectionsInOffer) { + return; + } + if (transceiver.rejected) { + if (transceiver.kind === 'application') { + if (transceiver.protocol === 'DTLS/SCTP') { // legacy fmt + sdp += 'm=application 0 DTLS/SCTP 5000\r\n'; + } else { + sdp += 'm=application 0 ' + transceiver.protocol + + ' webrtc-datachannel\r\n'; + } + } else if (transceiver.kind === 'audio') { + sdp += 'm=audio 0 UDP/TLS/RTP/SAVPF 0\r\n' + + 'a=rtpmap:0 PCMU/8000\r\n'; + } else if (transceiver.kind === 'video') { + sdp += 'm=video 0 UDP/TLS/RTP/SAVPF 120\r\n' + + 'a=rtpmap:120 VP8/90000\r\n'; + } + sdp += 'c=IN IP4 0.0.0.0\r\n' + + 'a=inactive\r\n' + + 'a=mid:' + transceiver.mid + '\r\n'; + return; + } + + // FIXME: look at direction. + if (transceiver.stream) { + var localTrack; + if (transceiver.kind === 'audio') { + localTrack = transceiver.stream.getAudioTracks()[0]; + } else if (transceiver.kind === 'video') { + localTrack = transceiver.stream.getVideoTracks()[0]; + } + if (localTrack) { + // add RTX + if (edgeVersion >= 15019 && transceiver.kind === 'video' && + !transceiver.sendEncodingParameters[0].rtx) { + transceiver.sendEncodingParameters[0].rtx = { + ssrc: transceiver.sendEncodingParameters[0].ssrc + 1 + }; + } + } + } + + // Calculate intersection of capabilities. + var commonCapabilities = getCommonCapabilities( + transceiver.localCapabilities, + transceiver.remoteCapabilities); + + var hasRtx = commonCapabilities.codecs.filter(function(c) { + return c.name.toLowerCase() === 'rtx'; + }).length; + if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) { + delete transceiver.sendEncodingParameters[0].rtx; + } + + sdp += writeMediaSection(transceiver, commonCapabilities, + 'answer', transceiver.stream, pc._dtlsRole); + if (transceiver.rtcpParameters && + transceiver.rtcpParameters.reducedSize) { + sdp += 'a=rtcp-rsize\r\n'; + } + }); + + var desc = new window.RTCSessionDescription({ + type: 'answer', + sdp: sdp + }); + return Promise.resolve(desc); + }; + + RTCPeerConnection.prototype.addIceCandidate = function(candidate) { + var pc = this; + var sections; + if (candidate && !(candidate.sdpMLineIndex !== undefined || + candidate.sdpMid)) { + return Promise.reject(new TypeError('sdpMLineIndex or sdpMid required')); + } + + // TODO: needs to go into ops queue. + return new Promise(function(resolve, reject) { + if (!pc._remoteDescription) { + return reject(makeError('InvalidStateError', + 'Can not add ICE candidate without a remote description')); + } else if (!candidate || candidate.candidate === '') { + for (var j = 0; j < pc.transceivers.length; j++) { + if (pc.transceivers[j].rejected) { + continue; + } + pc.transceivers[j].iceTransport.addRemoteCandidate({}); + sections = SDPUtils.getMediaSections(pc._remoteDescription.sdp); + sections[j] += 'a=end-of-candidates\r\n'; + pc._remoteDescription.sdp = + SDPUtils.getDescription(pc._remoteDescription.sdp) + + sections.join(''); + if (pc.usingBundle) { + break; + } + } + } else { + var sdpMLineIndex = candidate.sdpMLineIndex; + if (candidate.sdpMid) { + for (var i = 0; i < pc.transceivers.length; i++) { + if (pc.transceivers[i].mid === candidate.sdpMid) { + sdpMLineIndex = i; + break; + } + } + } + var transceiver = pc.transceivers[sdpMLineIndex]; + if (transceiver) { + if (transceiver.rejected) { + return resolve(); + } + var cand = Object.keys(candidate.candidate).length > 0 ? + SDPUtils.parseCandidate(candidate.candidate) : {}; + // Ignore Chrome's invalid candidates since Edge does not like them. + if (cand.protocol === 'tcp' && (cand.port === 0 || cand.port === 9)) { + return resolve(); + } + // Ignore RTCP candidates, we assume RTCP-MUX. + if (cand.component && cand.component !== 1) { + return resolve(); + } + // when using bundle, avoid adding candidates to the wrong + // ice transport. And avoid adding candidates added in the SDP. + if (sdpMLineIndex === 0 || (sdpMLineIndex > 0 && + transceiver.iceTransport !== pc.transceivers[0].iceTransport)) { + if (!maybeAddCandidate(transceiver.iceTransport, cand)) { + return reject(makeError('OperationError', + 'Can not add ICE candidate')); + } + } + + // update the remoteDescription. + var candidateString = candidate.candidate.trim(); + if (candidateString.indexOf('a=') === 0) { + candidateString = candidateString.substr(2); + } + sections = SDPUtils.getMediaSections(pc._remoteDescription.sdp); + sections[sdpMLineIndex] += 'a=' + + (cand.type ? candidateString : 'end-of-candidates') + + '\r\n'; + pc._remoteDescription.sdp = + SDPUtils.getDescription(pc._remoteDescription.sdp) + + sections.join(''); + } else { + return reject(makeError('OperationError', + 'Can not add ICE candidate')); + } + } + resolve(); + }); + }; + + RTCPeerConnection.prototype.getStats = function(selector) { + if (selector && selector instanceof window.MediaStreamTrack) { + var senderOrReceiver = null; + this.transceivers.forEach(function(transceiver) { + if (transceiver.rtpSender && + transceiver.rtpSender.track === selector) { + senderOrReceiver = transceiver.rtpSender; + } else if (transceiver.rtpReceiver && + transceiver.rtpReceiver.track === selector) { + senderOrReceiver = transceiver.rtpReceiver; + } + }); + if (!senderOrReceiver) { + throw makeError('InvalidAccessError', 'Invalid selector.'); + } + return senderOrReceiver.getStats(); + } + + var promises = []; + this.transceivers.forEach(function(transceiver) { + ['rtpSender', 'rtpReceiver', 'iceGatherer', 'iceTransport', + 'dtlsTransport'].forEach(function(method) { + if (transceiver[method]) { + promises.push(transceiver[method].getStats()); + } + }); + }); + return Promise.all(promises).then(function(allStats) { + var results = new Map(); + allStats.forEach(function(stats) { + stats.forEach(function(stat) { + results.set(stat.id, stat); + }); + }); + return results; + }); + }; + + // fix low-level stat names and return Map instead of object. + var ortcObjects = ['RTCRtpSender', 'RTCRtpReceiver', 'RTCIceGatherer', + 'RTCIceTransport', 'RTCDtlsTransport']; + ortcObjects.forEach(function(ortcObjectName) { + var obj = window[ortcObjectName]; + if (obj && obj.prototype && obj.prototype.getStats) { + var nativeGetstats = obj.prototype.getStats; + obj.prototype.getStats = function() { + return nativeGetstats.apply(this) + .then(function(nativeStats) { + var mapStats = new Map(); + Object.keys(nativeStats).forEach(function(id) { + nativeStats[id].type = fixStatsType(nativeStats[id]); + mapStats.set(id, nativeStats[id]); + }); + return mapStats; + }); + }; + } + }); + + // legacy callback shims. Should be moved to adapter.js some days. + var methods = ['createOffer', 'createAnswer']; + methods.forEach(function(method) { + var nativeMethod = RTCPeerConnection.prototype[method]; + RTCPeerConnection.prototype[method] = function() { + var args = arguments; + if (typeof args[0] === 'function' || + typeof args[1] === 'function') { // legacy + return nativeMethod.apply(this, [arguments[2]]) + .then(function(description) { + if (typeof args[0] === 'function') { + args[0].apply(null, [description]); + } + }, function(error) { + if (typeof args[1] === 'function') { + args[1].apply(null, [error]); + } + }); + } + return nativeMethod.apply(this, arguments); + }; + }); + + methods = ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']; + methods.forEach(function(method) { + var nativeMethod = RTCPeerConnection.prototype[method]; + RTCPeerConnection.prototype[method] = function() { + var args = arguments; + if (typeof args[1] === 'function' || + typeof args[2] === 'function') { // legacy + return nativeMethod.apply(this, arguments) + .then(function() { + if (typeof args[1] === 'function') { + args[1].apply(null); + } + }, function(error) { + if (typeof args[2] === 'function') { + args[2].apply(null, [error]); + } + }); + } + return nativeMethod.apply(this, arguments); + }; + }); + + // getStats is special. It doesn't have a spec legacy method yet we support + // getStats(something, cb) without error callbacks. + ['getStats'].forEach(function(method) { + var nativeMethod = RTCPeerConnection.prototype[method]; + RTCPeerConnection.prototype[method] = function() { + var args = arguments; + if (typeof args[1] === 'function') { + return nativeMethod.apply(this, arguments) + .then(function() { + if (typeof args[1] === 'function') { + args[1].apply(null); + } + }); + } + return nativeMethod.apply(this, arguments); + }; + }); + + return RTCPeerConnection; +}; + +},{"sdp":17}],17:[function(require,module,exports){ +/* eslint-env node */ +'use strict'; + +// SDP helpers. +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" +SDPUtils.parseCandidate = function(line) { + var parts; + // 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: parseInt(parts[1], 10), + 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 compability. + candidate.usernameFragment = parts[i + 1]; + break; + default: // extension handling, in particular ufrag + candidate[parts[i]] = parts[i + 1]; + break; + } + } + return candidate; +}; + +// Translates a candidate object into SDP candidate attribute. +SDPUtils.writeCandidate = function(candidate) { + var sdp = []; + sdp.push(candidate.foundation); + sdp.push(candidate.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. +// a=ice-options:foo bar +SDPUtils.parseIceOptions = function(line) { + return line.substr(14).split(' '); +}; + +// Parses an 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; +}; + +// Generate an 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 an 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 a=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 an ftmp 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; + 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 an a=ftmp 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]) { + params.push(param + '=' + codec.parameters[param]); + } else { + params.push(param); + } + }); + line += 'a=fmtp:' + pt + ' ' + params.join(';') + '\r\n'; + } + return line; +}; + +// Parses an 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 an 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; +}; + +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); + } +}; + +SDPUtils.parseFingerprint = function(line) { + var parts = line.substr(14).split(' '); + return { + algorithm: parts[0].toLowerCase(), // algorithm is case-sensitive in Edge. + value: parts[1] + }; +}; + +// 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. + // Note2: 'algorithm' is not case sensitive except 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 paramters. +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) { + return 'a=ice-ufrag:' + params.usernameFragment + '\r\n' + + 'a=ice-pwd:' + params.password + '\r\n'; +}; + +// 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: 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'; + } + sdp += 'a=rtcp-mux\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; + + 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 tha 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; +}; + +// parses either a=msid: or a=ssrc:... msid lines and returns +// the id of the MediaStream and MediaStreamTrack. +SDPUtils.parseMsid = function(mediaSection) { + var parts; + 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; + 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 = SDPUtils.matchPrefix(mediaSection, 'a=sctpmap:')[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 boilder 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; + 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'; +}; + +SDPUtils.writeMediaSection = function(transceiver, caps, type, stream) { + var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps); + + // Map ICE parameters (ufrag, pwd) to SDP. + sdp += SDPUtils.writeIceParameters( + transceiver.iceGatherer.getLocalParameters()); + + // Map DTLS parameters to SDP. + sdp += SDPUtils.writeDtlsParameters( + transceiver.dtlsTransport.getLocalParameters(), + type === 'offer' ? 'actpass' : 'active'); + + sdp += 'a=mid:' + transceiver.mid + '\r\n'; + + if (transceiver.direction) { + sdp += 'a=' + transceiver.direction + '\r\n'; + } else if (transceiver.rtpSender && transceiver.rtpReceiver) { + sdp += 'a=sendrecv\r\n'; + } else if (transceiver.rtpSender) { + sdp += 'a=sendonly\r\n'; + } else if (transceiver.rtpReceiver) { + sdp += 'a=recvonly\r\n'; + } else { + sdp += 'a=inactive\r\n'; + } + + if (transceiver.rtpSender) { + // spec. + var msid = 'msid:' + stream.id + ' ' + + transceiver.rtpSender.track.id + '\r\n'; + sdp += 'a=' + msid; + + // for Chrome. + sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc + + ' ' + msid; + if (transceiver.sendEncodingParameters[0].rtx) { + sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc + + ' ' + msid; + sdp += 'a=ssrc-group:FID ' + + transceiver.sendEncodingParameters[0].ssrc + ' ' + + transceiver.sendEncodingParameters[0].rtx.ssrc + + '\r\n'; + } + } + // FIXME: this should be written by writeRtpDescription. + sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc + + ' cname:' + SDPUtils.localCName + '\r\n'; + if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) { + sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc + + ' cname:' + SDPUtils.localCName + '\r\n'; + } + return sdp; +}; + +// 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 === 'object') { + module.exports = SDPUtils; +} + +},{}]},{},[1])(1) +}); diff --git a/public/webrtc/adapter-7.4.0.min.js b/public/webrtc/adapter-7.4.0.min.js new file mode 100644 index 0000000..7e76156 --- /dev/null +++ b/public/webrtc/adapter-7.4.0.min.js @@ -0,0 +1 @@ +!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).adapter=e()}}((function(){return function e(t,r,n){function i(o,s){if(!r[o]){if(!t[o]){var c="function"==typeof require&&require;if(!s&&c)return c(o,!0);if(a)return a(o,!0);var d=new Error("Cannot find module '"+o+"'");throw d.code="MODULE_NOT_FOUND",d}var p=r[o]={exports:{}};t[o][0].call(p.exports,(function(e){return i(t[o][1][e]||e)}),p,p.exports,e,t,r,n)}return r[o].exports}for(var a="function"==typeof require&&require,o=0;o0&&void 0!==arguments[0]?arguments[0]:{},t=e.window,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{shimChrome:!0,shimFirefox:!0,shimEdge:!0,shimSafari:!0},d=n.log,p=n.detectBrowser(t),u={browserDetails:p,commonShim:c,extractVersion:n.extractVersion,disableLog:n.disableLog,disableWarnings:n.disableWarnings};switch(p.browser){case"chrome":if(!i||!i.shimPeerConnection||!r.shimChrome)return d("Chrome shim is not included in this adapter release."),u;d("adapter.js shimming chrome."),u.browserShim=i,i.shimGetUserMedia(t),i.shimMediaStream(t),i.shimPeerConnection(t),i.shimOnTrack(t),i.shimAddTrackRemoveTrack(t),i.shimGetSendersWithDtmf(t),i.shimGetStats(t),i.shimSenderReceiverGetStats(t),i.fixNegotiationNeeded(t),c.shimRTCIceCandidate(t),c.shimConnectionState(t),c.shimMaxMessageSize(t),c.shimSendThrowTypeError(t),c.removeAllowExtmapMixed(t);break;case"firefox":if(!o||!o.shimPeerConnection||!r.shimFirefox)return d("Firefox shim is not included in this adapter release."),u;d("adapter.js shimming firefox."),u.browserShim=o,o.shimGetUserMedia(t),o.shimPeerConnection(t),o.shimOnTrack(t),o.shimRemoveStream(t),o.shimSenderGetStats(t),o.shimReceiverGetStats(t),o.shimRTCDataChannel(t),o.shimAddTransceiver(t),o.shimCreateOffer(t),o.shimCreateAnswer(t),c.shimRTCIceCandidate(t),c.shimConnectionState(t),c.shimMaxMessageSize(t),c.shimSendThrowTypeError(t);break;case"edge":if(!a||!a.shimPeerConnection||!r.shimEdge)return d("MS edge shim is not included in this adapter release."),u;d("adapter.js shimming edge."),u.browserShim=a,a.shimGetUserMedia(t),a.shimGetDisplayMedia(t),a.shimPeerConnection(t),a.shimReplaceTrack(t),c.shimMaxMessageSize(t),c.shimSendThrowTypeError(t);break;case"safari":if(!s||!r.shimSafari)return d("Safari shim is not included in this adapter release."),u;d("adapter.js shimming safari."),u.browserShim=s,s.shimRTCIceServerUrls(t),s.shimCreateOfferLegacy(t),s.shimCallbacksAPI(t),s.shimLocalStreamsAPI(t),s.shimRemoteStreamsAPI(t),s.shimTrackEventTransceiver(t),s.shimGetUserMedia(t),c.shimRTCIceCandidate(t),c.shimMaxMessageSize(t),c.shimSendThrowTypeError(t),c.removeAllowExtmapMixed(t);break;default:d("Unsupported browser!")}return u};var n=d(e("./utils")),i=d(e("./chrome/chrome_shim")),a=d(e("./edge/edge_shim")),o=d(e("./firefox/firefox_shim")),s=d(e("./safari/safari_shim")),c=d(e("./common_shim"));function d(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t.default=e,t}},{"./chrome/chrome_shim":3,"./common_shim":6,"./edge/edge_shim":7,"./firefox/firefox_shim":11,"./safari/safari_shim":14,"./utils":15}],3:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0}),r.shimGetDisplayMedia=r.shimGetUserMedia=void 0;var n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},i=e("./getusermedia");Object.defineProperty(r,"shimGetUserMedia",{enumerable:!0,get:function(){return i.shimGetUserMedia}});var a=e("./getdisplaymedia");Object.defineProperty(r,"shimGetDisplayMedia",{enumerable:!0,get:function(){return a.shimGetDisplayMedia}}),r.shimMediaStream=function(e){e.MediaStream=e.MediaStream||e.webkitMediaStream},r.shimOnTrack=function(e){if("object"!==(void 0===e?"undefined":n(e))||!e.RTCPeerConnection||"ontrack"in e.RTCPeerConnection.prototype)o.wrapPeerConnectionEvent(e,"track",(function(e){return e.transceiver||Object.defineProperty(e,"transceiver",{value:{receiver:e.receiver}}),e}));else{Object.defineProperty(e.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(e){this._ontrack&&this.removeEventListener("track",this._ontrack),this.addEventListener("track",this._ontrack=e)},enumerable:!0,configurable:!0});var t=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){var r=this;return this._ontrackpoly||(this._ontrackpoly=function(t){t.stream.addEventListener("addtrack",(function(n){var i=void 0;i=e.RTCPeerConnection.prototype.getReceivers?r.getReceivers().find((function(e){return e.track&&e.track.id===n.track.id})):{track:n.track};var a=new Event("track");a.track=n.track,a.receiver=i,a.transceiver={receiver:i},a.streams=[t.stream],r.dispatchEvent(a)})),t.stream.getTracks().forEach((function(n){var i=void 0;i=e.RTCPeerConnection.prototype.getReceivers?r.getReceivers().find((function(e){return e.track&&e.track.id===n.id})):{track:n};var a=new Event("track");a.track=n,a.receiver=i,a.transceiver={receiver:i},a.streams=[t.stream],r.dispatchEvent(a)}))},this.addEventListener("addstream",this._ontrackpoly)),t.apply(this,arguments)}}},r.shimGetSendersWithDtmf=function(e){if("object"===(void 0===e?"undefined":n(e))&&e.RTCPeerConnection&&!("getSenders"in e.RTCPeerConnection.prototype)&&"createDTMFSender"in e.RTCPeerConnection.prototype){var t=function(e,t){return{track:t,get dtmf(){return void 0===this._dtmf&&("audio"===t.kind?this._dtmf=e.createDTMFSender(t):this._dtmf=null),this._dtmf},_pc:e}};if(!e.RTCPeerConnection.prototype.getSenders){e.RTCPeerConnection.prototype.getSenders=function(){return this._senders=this._senders||[],this._senders.slice()};var r=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,n){var i=r.apply(this,arguments);return i||(i=t(this,e),this._senders.push(i)),i};var i=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){i.apply(this,arguments);var t=this._senders.indexOf(e);-1!==t&&this._senders.splice(t,1)}}var a=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){var r=this;this._senders=this._senders||[],a.apply(this,[e]),e.getTracks().forEach((function(e){r._senders.push(t(r,e))}))};var o=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){var t=this;this._senders=this._senders||[],o.apply(this,[e]),e.getTracks().forEach((function(e){var r=t._senders.find((function(t){return t.track===e}));r&&t._senders.splice(t._senders.indexOf(r),1)}))}}else if("object"===(void 0===e?"undefined":n(e))&&e.RTCPeerConnection&&"getSenders"in e.RTCPeerConnection.prototype&&"createDTMFSender"in e.RTCPeerConnection.prototype&&e.RTCRtpSender&&!("dtmf"in e.RTCRtpSender.prototype)){var s=e.RTCPeerConnection.prototype.getSenders;e.RTCPeerConnection.prototype.getSenders=function(){var e=this,t=s.apply(this,[]);return t.forEach((function(t){return t._pc=e})),t},Object.defineProperty(e.RTCRtpSender.prototype,"dtmf",{get:function(){return void 0===this._dtmf&&("audio"===this.track.kind?this._dtmf=this._pc.createDTMFSender(this.track):this._dtmf=null),this._dtmf}})}},r.shimGetStats=function(e){if(!e.RTCPeerConnection)return;var t=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){var e=this,r=Array.prototype.slice.call(arguments),n=r[0],i=r[1],a=r[2];if(arguments.length>0&&"function"==typeof n)return t.apply(this,arguments);if(0===t.length&&(0===arguments.length||"function"!=typeof n))return t.apply(this,[]);var o=function(e){var t={};return e.result().forEach((function(e){var r={id:e.id,timestamp:e.timestamp,type:{localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[e.type]||e.type};e.names().forEach((function(t){r[t]=e.stat(t)})),t[r.id]=r})),t},s=function(e){return new Map(Object.keys(e).map((function(t){return[t,e[t]]})))};if(arguments.length>=2){var c=function(e){i(s(o(e)))};return t.apply(this,[c,n])}return new Promise((function(r,n){t.apply(e,[function(e){r(s(o(e)))},n])})).then(i,a)}},r.shimSenderReceiverGetStats=function(e){if(!("object"===(void 0===e?"undefined":n(e))&&e.RTCPeerConnection&&e.RTCRtpSender&&e.RTCRtpReceiver))return;if(!("getStats"in e.RTCRtpSender.prototype)){var t=e.RTCPeerConnection.prototype.getSenders;t&&(e.RTCPeerConnection.prototype.getSenders=function(){var e=this,r=t.apply(this,[]);return r.forEach((function(t){return t._pc=e})),r});var r=e.RTCPeerConnection.prototype.addTrack;r&&(e.RTCPeerConnection.prototype.addTrack=function(){var e=r.apply(this,arguments);return e._pc=this,e}),e.RTCRtpSender.prototype.getStats=function(){var e=this;return this._pc.getStats().then((function(t){return o.filterStats(t,e.track,!0)}))}}if(!("getStats"in e.RTCRtpReceiver.prototype)){var i=e.RTCPeerConnection.prototype.getReceivers;i&&(e.RTCPeerConnection.prototype.getReceivers=function(){var e=this,t=i.apply(this,[]);return t.forEach((function(t){return t._pc=e})),t}),o.wrapPeerConnectionEvent(e,"track",(function(e){return e.receiver._pc=e.srcElement,e})),e.RTCRtpReceiver.prototype.getStats=function(){var e=this;return this._pc.getStats().then((function(t){return o.filterStats(t,e.track,!1)}))}}if(!("getStats"in e.RTCRtpSender.prototype&&"getStats"in e.RTCRtpReceiver.prototype))return;var a=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){if(arguments.length>0&&arguments[0]instanceof e.MediaStreamTrack){var t=arguments[0],r=void 0,n=void 0,i=void 0;return this.getSenders().forEach((function(e){e.track===t&&(r?i=!0:r=e)})),this.getReceivers().forEach((function(e){return e.track===t&&(n?i=!0:n=e),e.track===t})),i||r&&n?Promise.reject(new DOMException("There are more than one sender or receiver for the track.","InvalidAccessError")):r?r.getStats():n?n.getStats():Promise.reject(new DOMException("There is no sender or receiver for the track.","InvalidAccessError"))}return a.apply(this,arguments)}},r.shimAddTrackRemoveTrackWithNative=c,r.shimAddTrackRemoveTrack=function(e){if(!e.RTCPeerConnection)return;var t=o.detectBrowser(e);if(e.RTCPeerConnection.prototype.addTrack&&t.version>=65)return c(e);var r=e.RTCPeerConnection.prototype.getLocalStreams;e.RTCPeerConnection.prototype.getLocalStreams=function(){var e=this,t=r.apply(this);return this._reverseStreams=this._reverseStreams||{},t.map((function(t){return e._reverseStreams[t.id]}))};var n=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(t){var r=this;if(this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},t.getTracks().forEach((function(e){if(r.getSenders().find((function(t){return t.track===e})))throw new DOMException("Track already exists.","InvalidAccessError")})),!this._reverseStreams[t.id]){var i=new e.MediaStream(t.getTracks());this._streams[t.id]=i,this._reverseStreams[i.id]=t,t=i}n.apply(this,[t])};var i=e.RTCPeerConnection.prototype.removeStream;function a(e,t){var r=t.sdp;return Object.keys(e._reverseStreams||[]).forEach((function(t){var n=e._reverseStreams[t],i=e._streams[n.id];r=r.replace(new RegExp(i.id,"g"),n.id)})),new RTCSessionDescription({type:t.type,sdp:r})}function d(e,t){var r=t.sdp;return Object.keys(e._reverseStreams||[]).forEach((function(t){var n=e._reverseStreams[t],i=e._streams[n.id];r=r.replace(new RegExp(n.id,"g"),i.id)})),new RTCSessionDescription({type:t.type,sdp:r})}e.RTCPeerConnection.prototype.removeStream=function(e){this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},i.apply(this,[this._streams[e.id]||e]),delete this._reverseStreams[this._streams[e.id]?this._streams[e.id].id:e.id],delete this._streams[e.id]},e.RTCPeerConnection.prototype.addTrack=function(t,r){var n=this;if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");var i=[].slice.call(arguments,1);if(1!==i.length||!i[0].getTracks().find((function(e){return e===t})))throw new DOMException("The adapter.js addTrack polyfill only supports a single stream which is associated with the specified track.","NotSupportedError");var a=this.getSenders().find((function(e){return e.track===t}));if(a)throw new DOMException("Track already exists.","InvalidAccessError");this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{};var o=this._streams[r.id];if(o)o.addTrack(t),Promise.resolve().then((function(){n.dispatchEvent(new Event("negotiationneeded"))}));else{var s=new e.MediaStream([t]);this._streams[r.id]=s,this._reverseStreams[s.id]=r,this.addStream(s)}return this.getSenders().find((function(e){return e.track===t}))},["createOffer","createAnswer"].forEach((function(t){var r=e.RTCPeerConnection.prototype[t],n=s({},t,(function(){var e=this,t=arguments,n=arguments.length&&"function"==typeof arguments[0];return n?r.apply(this,[function(r){var n=a(e,r);t[0].apply(null,[n])},function(e){t[1]&&t[1].apply(null,e)},arguments[2]]):r.apply(this,arguments).then((function(t){return a(e,t)}))}));e.RTCPeerConnection.prototype[t]=n[t]}));var p=e.RTCPeerConnection.prototype.setLocalDescription;e.RTCPeerConnection.prototype.setLocalDescription=function(){return arguments.length&&arguments[0].type?(arguments[0]=d(this,arguments[0]),p.apply(this,arguments)):p.apply(this,arguments)};var u=Object.getOwnPropertyDescriptor(e.RTCPeerConnection.prototype,"localDescription");Object.defineProperty(e.RTCPeerConnection.prototype,"localDescription",{get:function(){var e=u.get.apply(this);return""===e.type?e:a(this,e)}}),e.RTCPeerConnection.prototype.removeTrack=function(e){var t=this;if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");if(!e._pc)throw new DOMException("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.","TypeError");if(!(e._pc===this))throw new DOMException("Sender was not created by this connection.","InvalidAccessError");this._streams=this._streams||{};var r=void 0;Object.keys(this._streams).forEach((function(n){t._streams[n].getTracks().find((function(t){return e.track===t}))&&(r=t._streams[n])})),r&&(1===r.getTracks().length?this.removeStream(this._reverseStreams[r.id]):r.removeTrack(e.track),this.dispatchEvent(new Event("negotiationneeded")))}},r.shimPeerConnection=function(e){var t=o.detectBrowser(e);!e.RTCPeerConnection&&e.webkitRTCPeerConnection&&(e.RTCPeerConnection=e.webkitRTCPeerConnection);if(!e.RTCPeerConnection)return;t.version<53&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach((function(t){var r=e.RTCPeerConnection.prototype[t],n=s({},t,(function(){return arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),r.apply(this,arguments)}));e.RTCPeerConnection.prototype[t]=n[t]}));var r=e.RTCPeerConnection.prototype.addIceCandidate;e.RTCPeerConnection.prototype.addIceCandidate=function(){return arguments[0]?t.version<78&&arguments[0]&&""===arguments[0].candidate?Promise.resolve():r.apply(this,arguments):(arguments[1]&&arguments[1].apply(null),Promise.resolve())}},r.fixNegotiationNeeded=function(e){o.wrapPeerConnectionEvent(e,"negotiationneeded",(function(e){if("stable"===e.target.signalingState)return e}))};var o=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t.default=e,t}(e("../utils.js"));function s(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}function c(e){e.RTCPeerConnection.prototype.getLocalStreams=function(){var e=this;return this._shimmedLocalStreams=this._shimmedLocalStreams||{},Object.keys(this._shimmedLocalStreams).map((function(t){return e._shimmedLocalStreams[t][0]}))};var t=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,r){if(!r)return t.apply(this,arguments);this._shimmedLocalStreams=this._shimmedLocalStreams||{};var n=t.apply(this,arguments);return this._shimmedLocalStreams[r.id]?-1===this._shimmedLocalStreams[r.id].indexOf(n)&&this._shimmedLocalStreams[r.id].push(n):this._shimmedLocalStreams[r.id]=[r,n],n};var r=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){var t=this;this._shimmedLocalStreams=this._shimmedLocalStreams||{},e.getTracks().forEach((function(e){if(t.getSenders().find((function(t){return t.track===e})))throw new DOMException("Track already exists.","InvalidAccessError")}));var n=this.getSenders();r.apply(this,arguments);var i=this.getSenders().filter((function(e){return-1===n.indexOf(e)}));this._shimmedLocalStreams[e.id]=[e].concat(i)};var n=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},delete this._shimmedLocalStreams[e.id],n.apply(this,arguments)};var i=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){var t=this;return this._shimmedLocalStreams=this._shimmedLocalStreams||{},e&&Object.keys(this._shimmedLocalStreams).forEach((function(r){var n=t._shimmedLocalStreams[r].indexOf(e);-1!==n&&t._shimmedLocalStreams[r].splice(n,1),1===t._shimmedLocalStreams[r].length&&delete t._shimmedLocalStreams[r]})),i.apply(this,arguments)}}},{"../utils.js":15,"./getdisplaymedia":4,"./getusermedia":5}],4:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0}),r.shimGetDisplayMedia=function(e,t){if(e.navigator.mediaDevices&&"getDisplayMedia"in e.navigator.mediaDevices)return;if(!e.navigator.mediaDevices)return;if("function"!=typeof t)return void console.error("shimGetDisplayMedia: getSourceId argument is not a function");e.navigator.mediaDevices.getDisplayMedia=function(r){return t(r).then((function(t){var n=r.video&&r.video.width,i=r.video&&r.video.height,a=r.video&&r.video.frameRate;return r.video={mandatory:{chromeMediaSource:"desktop",chromeMediaSourceId:t,maxFrameRate:a||3}},n&&(r.video.mandatory.maxWidth=n),i&&(r.video.mandatory.maxHeight=i),e.navigator.mediaDevices.getUserMedia(r)}))}}},{}],5:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0});var n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e};r.shimGetUserMedia=function(e){var t=e&&e.navigator;if(!t.mediaDevices)return;var r=i.detectBrowser(e),o=function(e){if("object"!==(void 0===e?"undefined":n(e))||e.mandatory||e.optional)return e;var t={};return Object.keys(e).forEach((function(r){if("require"!==r&&"advanced"!==r&&"mediaSource"!==r){var i="object"===n(e[r])?e[r]:{ideal:e[r]};void 0!==i.exact&&"number"==typeof i.exact&&(i.min=i.max=i.exact);var a=function(e,t){return e?e+t.charAt(0).toUpperCase()+t.slice(1):"deviceId"===t?"sourceId":t};if(void 0!==i.ideal){t.optional=t.optional||[];var o={};"number"==typeof i.ideal?(o[a("min",r)]=i.ideal,t.optional.push(o),(o={})[a("max",r)]=i.ideal,t.optional.push(o)):(o[a("",r)]=i.ideal,t.optional.push(o))}void 0!==i.exact&&"number"!=typeof i.exact?(t.mandatory=t.mandatory||{},t.mandatory[a("",r)]=i.exact):["min","max"].forEach((function(e){void 0!==i[e]&&(t.mandatory=t.mandatory||{},t.mandatory[a(e,r)]=i[e])}))}})),e.advanced&&(t.optional=(t.optional||[]).concat(e.advanced)),t},s=function(e,i){if(r.version>=61)return i(e);if((e=JSON.parse(JSON.stringify(e)))&&"object"===n(e.audio)){var s=function(e,t,r){t in e&&!(r in e)&&(e[r]=e[t],delete e[t])};s((e=JSON.parse(JSON.stringify(e))).audio,"autoGainControl","googAutoGainControl"),s(e.audio,"noiseSuppression","googNoiseSuppression"),e.audio=o(e.audio)}if(e&&"object"===n(e.video)){var c=e.video.facingMode;c=c&&("object"===(void 0===c?"undefined":n(c))?c:{ideal:c});var d=r.version<66;if(c&&("user"===c.exact||"environment"===c.exact||"user"===c.ideal||"environment"===c.ideal)&&(!t.mediaDevices.getSupportedConstraints||!t.mediaDevices.getSupportedConstraints().facingMode||d)){delete e.video.facingMode;var p=void 0;if("environment"===c.exact||"environment"===c.ideal?p=["back","rear"]:"user"!==c.exact&&"user"!==c.ideal||(p=["front"]),p)return t.mediaDevices.enumerateDevices().then((function(t){var r=(t=t.filter((function(e){return"videoinput"===e.kind}))).find((function(e){return p.some((function(t){return e.label.toLowerCase().includes(t)}))}));return!r&&t.length&&p.includes("back")&&(r=t[t.length-1]),r&&(e.video.deviceId=c.exact?{exact:r.deviceId}:{ideal:r.deviceId}),e.video=o(e.video),a("chrome: "+JSON.stringify(e)),i(e)}))}e.video=o(e.video)}return a("chrome: "+JSON.stringify(e)),i(e)},c=function(e){return r.version>=64?e:{name:{PermissionDeniedError:"NotAllowedError",PermissionDismissedError:"NotAllowedError",InvalidStateError:"NotAllowedError",DevicesNotFoundError:"NotFoundError",ConstraintNotSatisfiedError:"OverconstrainedError",TrackStartError:"NotReadableError",MediaDeviceFailedDueToShutdown:"NotAllowedError",MediaDeviceKillSwitchOn:"NotAllowedError",TabCaptureError:"AbortError",ScreenCaptureError:"AbortError",DeviceCaptureError:"AbortError"}[e.name]||e.name,message:e.message,constraint:e.constraint||e.constraintName,toString:function(){return this.name+(this.message&&": ")+this.message}}};if(t.getUserMedia=function(e,r,n){s(e,(function(e){t.webkitGetUserMedia(e,r,(function(e){n&&n(c(e))}))}))}.bind(t),t.mediaDevices.getUserMedia){var d=t.mediaDevices.getUserMedia.bind(t.mediaDevices);t.mediaDevices.getUserMedia=function(e){return s(e,(function(e){return d(e).then((function(t){if(e.audio&&!t.getAudioTracks().length||e.video&&!t.getVideoTracks().length)throw t.getTracks().forEach((function(e){e.stop()})),new DOMException("","NotFoundError");return t}),(function(e){return Promise.reject(c(e))}))}))}}};var i=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t.default=e,t}(e("../utils.js"));var a=i.log},{"../utils.js":15}],6:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0});var n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e};r.shimRTCIceCandidate=function(e){if(!e.RTCIceCandidate||e.RTCIceCandidate&&"foundation"in e.RTCIceCandidate.prototype)return;var t=e.RTCIceCandidate;e.RTCIceCandidate=function(e){if("object"===(void 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t.default=e,t}(e("../utils")),s=e("./filtericeservers"),c=e("rtcpeerconnection-shim"),d=(a=c)&&a.__esModule?a:{default:a}},{"../utils":15,"./filtericeservers":8,"./getdisplaymedia":9,"./getusermedia":10,"rtcpeerconnection-shim":16}],8:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0}),r.filterIceServers=function(e,t){var r=!1;return(e=JSON.parse(JSON.stringify(e))).filter((function(e){if(e&&(e.urls||e.url)){var t=e.urls||e.url;e.url&&!e.urls&&n.deprecated("RTCIceServer.url","RTCIceServer.urls");var i="string"==typeof t;return i&&(t=[t]),t=t.filter((function(e){if(0===e.indexOf("stun:"))return!1;var t=e.startsWith("turn")&&!e.startsWith("turn:[")&&e.includes("transport=udp");return t&&!r?(r=!0,!0):t&&!r})),delete e.url,e.urls=i?t[0]:t,!!t.length}}))};var n=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t.default=e,t}(e("../utils"))},{"../utils":15}],9:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0}),r.shimGetDisplayMedia=function(e){if(!("getDisplayMedia"in e.navigator))return;if(!e.navigator.mediaDevices)return;if(e.navigator.mediaDevices&&"getDisplayMedia"in e.navigator.mediaDevices)return;e.navigator.mediaDevices.getDisplayMedia=e.navigator.getDisplayMedia.bind(e.navigator)}},{}],10:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0}),r.shimGetUserMedia=function(e){var t=e&&e.navigator,r=t.mediaDevices.getUserMedia.bind(t.mediaDevices);t.mediaDevices.getUserMedia=function(e){return r(e).catch((function(e){return Promise.reject(function(e){return{name:{PermissionDeniedError:"NotAllowedError"}[e.name]||e.name,message:e.message,constraint:e.constraint,toString:function(){return this.name}}}(e))}))}}},{}],11:[function(e,t,r){"use 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i={inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"},a=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){var e=Array.prototype.slice.call(arguments),r=e[0],n=e[1],o=e[2];return a.apply(this,[r||null]).then((function(e){if(t.version<53&&!n)try{e.forEach((function(e){e.type=i[e.type]||e.type}))}catch(t){if("TypeError"!==t.name)throw t;e.forEach((function(t,r){e.set(r,Object.assign({},t,{type:i[t.type]||t.type}))}))}return e})).then(n,o)}},r.shimSenderGetStats=function(e){if("object"!==(void 0===e?"undefined":n(e))||!e.RTCPeerConnection||!e.RTCRtpSender)return;if(e.RTCRtpSender&&"getStats"in e.RTCRtpSender.prototype)return;var t=e.RTCPeerConnection.prototype.getSenders;t&&(e.RTCPeerConnection.prototype.getSenders=function(){var e=this,r=t.apply(this,[]);return r.forEach((function(t){return t._pc=e})),r});var r=e.RTCPeerConnection.prototype.addTrack;r&&(e.RTCPeerConnection.prototype.addTrack=function(){var e=r.apply(this,arguments);return e._pc=this,e});e.RTCRtpSender.prototype.getStats=function(){return this.track?this._pc.getStats(this.track):Promise.resolve(new Map)}},r.shimReceiverGetStats=function(e){if("object"!==(void 0===e?"undefined":n(e))||!e.RTCPeerConnection||!e.RTCRtpSender)return;if(e.RTCRtpSender&&"getStats"in e.RTCRtpReceiver.prototype)return;var t=e.RTCPeerConnection.prototype.getReceivers;t&&(e.RTCPeerConnection.prototype.getReceivers=function(){var e=this,r=t.apply(this,[]);return r.forEach((function(t){return t._pc=e})),r});o.wrapPeerConnectionEvent(e,"track",(function(e){return e.receiver._pc=e.srcElement,e})),e.RTCRtpReceiver.prototype.getStats=function(){return this._pc.getStats(this.track)}},r.shimRemoveStream=function(e){if(!e.RTCPeerConnection||"removeStream"in e.RTCPeerConnection.prototype)return;e.RTCPeerConnection.prototype.removeStream=function(e){var t=this;o.deprecated("removeStream","removeTrack"),this.getSenders().forEach((function(r){r.track&&e.getTracks().includes(r.track)&&t.removeTrack(r)}))}},r.shimRTCDataChannel=function(e){e.DataChannel&&!e.RTCDataChannel&&(e.RTCDataChannel=e.DataChannel)},r.shimAddTransceiver=function(e){if("object"!==(void 0===e?"undefined":n(e))||!e.RTCPeerConnection)return;var t=e.RTCPeerConnection.prototype.addTransceiver;t&&(e.RTCPeerConnection.prototype.addTransceiver=function(){this.setParametersPromises=[];var e=arguments[1],r=e&&"sendEncodings"in e;r&&e.sendEncodings.forEach((function(e){if("rid"in e){if(!/^[a-z0-9]{0,16}$/i.test(e.rid))throw new TypeError("Invalid RID value provided.")}if("scaleResolutionDownBy"in e&&!(parseFloat(e.scaleResolutionDownBy)>=1))throw new RangeError("scale_resolution_down_by must be >= 1.0");if("maxFramerate"in e&&!(parseFloat(e.maxFramerate)>=0))throw new RangeError("max_framerate must be >= 0.0")}));var n=t.apply(this,arguments);if(r){var i=n.sender,a=i.getParameters();"encodings"in a||(a.encodings=e.sendEncodings,this.setParametersPromises.push(i.setParameters(a).catch((function(){}))))}return n})},r.shimCreateOffer=function(e){if("object"!==(void 0===e?"undefined":n(e))||!e.RTCPeerConnection)return;var t=e.RTCPeerConnection.prototype.createOffer;e.RTCPeerConnection.prototype.createOffer=function(){var e=this,r=arguments;return this.setParametersPromises&&this.setParametersPromises.length?Promise.all(this.setParametersPromises).then((function(){return t.apply(e,r)})).finally((function(){e.setParametersPromises=[]})):t.apply(this,arguments)}},r.shimCreateAnswer=function(e){if("object"!==(void 0===e?"undefined":n(e))||!e.RTCPeerConnection)return;var t=e.RTCPeerConnection.prototype.createAnswer;e.RTCPeerConnection.prototype.createAnswer=function(){var e=this,r=arguments;return this.setParametersPromises&&this.setParametersPromises.length?Promise.all(this.setParametersPromises).then((function(){return t.apply(e,r)})).finally((function(){e.setParametersPromises=[]})):t.apply(this,arguments)}};var o=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t.default=e,t}(e("../utils"))},{"../utils":15,"./getdisplaymedia":12,"./getusermedia":13}],12:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0}),r.shimGetDisplayMedia=function(e,t){if(e.navigator.mediaDevices&&"getDisplayMedia"in e.navigator.mediaDevices)return;if(!e.navigator.mediaDevices)return;e.navigator.mediaDevices.getDisplayMedia=function(r){if(!r||!r.video){var n=new DOMException("getDisplayMedia without video constraints is undefined");return n.name="NotFoundError",n.code=8,Promise.reject(n)}return!0===r.video?r.video={mediaSource:t}:r.video.mediaSource=t,e.navigator.mediaDevices.getUserMedia(r)}}},{}],13:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0});var n="function"==typeof 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t=this;this._onaddstream&&(this.removeEventListener("addstream",this._onaddstream),this.removeEventListener("track",this._onaddstreampoly)),this.addEventListener("addstream",this._onaddstream=e),this.addEventListener("track",this._onaddstreampoly=function(e){e.streams.forEach((function(e){if(t._remoteStreams||(t._remoteStreams=[]),!t._remoteStreams.includes(e)){t._remoteStreams.push(e);var r=new Event("addstream");r.stream=e,t.dispatchEvent(r)}}))})}});var t=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){var e=this;return this._onaddstreampoly||this.addEventListener("track",this._onaddstreampoly=function(t){t.streams.forEach((function(t){if(e._remoteStreams||(e._remoteStreams=[]),!(e._remoteStreams.indexOf(t)>=0)){e._remoteStreams.push(t);var r=new Event("addstream");r.stream=t,e.dispatchEvent(r)}}))}),t.apply(e,arguments)}}},r.shimCallbacksAPI=function(e){if("object"!==(void 0===e?"undefined":n(e))||!e.RTCPeerConnection)return;var t=e.RTCPeerConnection.prototype,r=t.createOffer,i=t.createAnswer,a=t.setLocalDescription,o=t.setRemoteDescription,s=t.addIceCandidate;t.createOffer=function(e,t){var n=arguments.length>=2?arguments[2]:arguments[0],i=r.apply(this,[n]);return t?(i.then(e,t),Promise.resolve()):i},t.createAnswer=function(e,t){var r=arguments.length>=2?arguments[2]:arguments[0],n=i.apply(this,[r]);return t?(n.then(e,t),Promise.resolve()):n};var c=function(e,t,r){var n=a.apply(this,[e]);return r?(n.then(t,r),Promise.resolve()):n};t.setLocalDescription=c,c=function(e,t,r){var n=o.apply(this,[e]);return r?(n.then(t,r),Promise.resolve()):n},t.setRemoteDescription=c,c=function(e,t,r){var n=s.apply(this,[e]);return r?(n.then(t,r),Promise.resolve()):n},t.addIceCandidate=c},r.shimGetUserMedia=function(e){var t=e&&e.navigator;if(t.mediaDevices&&t.mediaDevices.getUserMedia){var r=t.mediaDevices,n=r.getUserMedia.bind(r);t.mediaDevices.getUserMedia=function(e){return n(a(e))}}!t.getUserMedia&&t.mediaDevices&&t.mediaDevices.getUserMedia&&(t.getUserMedia=function(e,r,n){t.mediaDevices.getUserMedia(e).then(r,n)}.bind(t))},r.shimConstraints=a,r.shimRTCIceServerUrls=function(e){var t=e.RTCPeerConnection;e.RTCPeerConnection=function(e,r){if(e&&e.iceServers){for(var n=[],a=0;a=r&&parseInt(n[r],10)}function s(e){return"[object Object]"===Object.prototype.toString.call(e)}function c(e,t,r){t&&!r.has(t.id)&&(r.set(t.id,t),Object.keys(t).forEach((function(n){n.endsWith("Id")?c(e,e.get(t[n]),r):n.endsWith("Ids")&&t[n].forEach((function(t){c(e,e.get(t),r)}))})))}},{}],16:[function(e,t,r){"use strict";var n=e("sdp");function i(e,t,r,i,a){var o=n.writeRtpDescription(e.kind,t);if(o+=n.writeIceParameters(e.iceGatherer.getLocalParameters()),o+=n.writeDtlsParameters(e.dtlsTransport.getLocalParameters(),"offer"===r?"actpass":a||"active"),o+="a=mid:"+e.mid+"\r\n",e.rtpSender&&e.rtpReceiver?o+="a=sendrecv\r\n":e.rtpSender?o+="a=sendonly\r\n":e.rtpReceiver?o+="a=recvonly\r\n":o+="a=inactive\r\n",e.rtpSender){var s=e.rtpSender._initialTrackId||e.rtpSender.track.id;e.rtpSender._initialTrackId=s;var c="msid:"+(i?i.id:"-")+" "+s+"\r\n";o+="a="+c,o+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" "+c,e.sendEncodingParameters[0].rtx&&(o+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" "+c,o+="a=ssrc-group:FID "+e.sendEncodingParameters[0].ssrc+" "+e.sendEncodingParameters[0].rtx.ssrc+"\r\n")}return o+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" cname:"+n.localCName+"\r\n",e.rtpSender&&e.sendEncodingParameters[0].rtx&&(o+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" cname:"+n.localCName+"\r\n"),o}function a(e,t){var r={codecs:[],headerExtensions:[],fecMechanisms:[]},n=function(e,t){e=parseInt(e,10);for(var r=0;r=14393&&-1===e.indexOf("?transport=udp")})),delete e.url,e.urls=i?n[0]:n,!!n.length}}))}(r.iceServers||[],t),this._iceGatherers=[],r.iceCandidatePoolSize)for(var o=r.iceCandidatePoolSize;o>0;o--)this._iceGatherers.push(new e.RTCIceGatherer({iceServers:r.iceServers,gatherPolicy:r.iceTransportPolicy}));else r.iceCandidatePoolSize=0;this._config=r,this.transceivers=[],this._sdpSessionId=n.generateSessionId(),this._sdpSessionVersion=0,this._dtlsRole=void 0,this._isClosed=!1};Object.defineProperty(p.prototype,"localDescription",{configurable:!0,get:function(){return this._localDescription}}),Object.defineProperty(p.prototype,"remoteDescription",{configurable:!0,get:function(){return this._remoteDescription}}),p.prototype.onicecandidate=null,p.prototype.onaddstream=null,p.prototype.ontrack=null,p.prototype.onremovestream=null,p.prototype.onsignalingstatechange=null,p.prototype.oniceconnectionstatechange=null,p.prototype.onconnectionstatechange=null,p.prototype.onicegatheringstatechange=null,p.prototype.onnegotiationneeded=null,p.prototype.ondatachannel=null,p.prototype._dispatchEvent=function(e,t){this._isClosed||(this.dispatchEvent(t),"function"==typeof this["on"+e]&&this["on"+e](t))},p.prototype._emitGatheringStateChange=function(){var e=new Event("icegatheringstatechange");this._dispatchEvent("icegatheringstatechange",e)},p.prototype.getConfiguration=function(){return this._config},p.prototype.getLocalStreams=function(){return this.localStreams},p.prototype.getRemoteStreams=function(){return this.remoteStreams},p.prototype._createTransceiver=function(e,t){var r=this.transceivers.length>0,n={track:null,iceGatherer:null,iceTransport:null,dtlsTransport:null,localCapabilities:null,remoteCapabilities:null,rtpSender:null,rtpReceiver:null,kind:e,mid:null,sendEncodingParameters:null,recvEncodingParameters:null,stream:null,associatedRemoteMediaStreams:[],wantReceive:!0};if(this.usingBundle&&r)n.iceTransport=this.transceivers[0].iceTransport,n.dtlsTransport=this.transceivers[0].dtlsTransport;else{var i=this._createIceAndDtlsTransports();n.iceTransport=i.iceTransport,n.dtlsTransport=i.dtlsTransport}return t||this.transceivers.push(n),n},p.prototype.addTrack=function(t,r){if(this._isClosed)throw c("InvalidStateError","Attempted to call addTrack on a closed peerconnection.");var n;if(this.transceivers.find((function(e){return e.track===t})))throw c("InvalidAccessError","Track already exists.");for(var i=0;i=15025)e.getTracks().forEach((function(t){r.addTrack(t,e)}));else{var n=e.clone();e.getTracks().forEach((function(e,t){var r=n.getTracks()[t];e.addEventListener("enabled",(function(e){r.enabled=e.enabled}))})),n.getTracks().forEach((function(e){r.addTrack(e,n)}))}},p.prototype.removeTrack=function(t){if(this._isClosed)throw c("InvalidStateError","Attempted to call removeTrack on a closed peerconnection.");if(!(t instanceof e.RTCRtpSender))throw new TypeError("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.");var r=this.transceivers.find((function(e){return e.rtpSender===t}));if(!r)throw c("InvalidAccessError","Sender was not created by this connection.");var n=r.stream;r.rtpSender.stop(),r.rtpSender=null,r.track=null,r.stream=null,-1===this.transceivers.map((function(e){return e.stream})).indexOf(n)&&this.localStreams.indexOf(n)>-1&&this.localStreams.splice(this.localStreams.indexOf(n),1),this._maybeFireNegotiationNeeded()},p.prototype.removeStream=function(e){var t=this;e.getTracks().forEach((function(e){var r=t.getSenders().find((function(t){return t.track===e}));r&&t.removeTrack(r)}))},p.prototype.getSenders=function(){return this.transceivers.filter((function(e){return!!e.rtpSender})).map((function(e){return e.rtpSender}))},p.prototype.getReceivers=function(){return this.transceivers.filter((function(e){return!!e.rtpReceiver})).map((function(e){return e.rtpReceiver}))},p.prototype._createIceGatherer=function(t,r){var n=this;if(r&&t>0)return this.transceivers[0].iceGatherer;if(this._iceGatherers.length)return this._iceGatherers.shift();var i=new e.RTCIceGatherer({iceServers:this._config.iceServers,gatherPolicy:this._config.iceTransportPolicy});return Object.defineProperty(i,"state",{value:"new",writable:!0}),this.transceivers[t].bufferedCandidateEvents=[],this.transceivers[t].bufferCandidates=function(e){var r=!e.candidate||0===Object.keys(e.candidate).length;i.state=r?"completed":"gathering",null!==n.transceivers[t].bufferedCandidateEvents&&n.transceivers[t].bufferedCandidateEvents.push(e)},i.addEventListener("localcandidate",this.transceivers[t].bufferCandidates),i},p.prototype._gather=function(t,r){var i=this,a=this.transceivers[r].iceGatherer;if(!a.onlocalcandidate){var o=this.transceivers[r].bufferedCandidateEvents;this.transceivers[r].bufferedCandidateEvents=null,a.removeEventListener("localcandidate",this.transceivers[r].bufferCandidates),a.onlocalcandidate=function(e){if(!(i.usingBundle&&r>0)){var o=new Event("icecandidate");o.candidate={sdpMid:t,sdpMLineIndex:r};var s=e.candidate,c=!s||0===Object.keys(s).length;if(c)"new"!==a.state&&"gathering"!==a.state||(a.state="completed");else{"new"===a.state&&(a.state="gathering"),s.component=1,s.ufrag=a.getLocalParameters().usernameFragment;var d=n.writeCandidate(s);o.candidate=Object.assign(o.candidate,n.parseCandidate(d)),o.candidate.candidate=d,o.candidate.toJSON=function(){return{candidate:o.candidate.candidate,sdpMid:o.candidate.sdpMid,sdpMLineIndex:o.candidate.sdpMLineIndex,usernameFragment:o.candidate.usernameFragment}}}var p=n.getMediaSections(i._localDescription.sdp);p[o.candidate.sdpMLineIndex]+=c?"a=end-of-candidates\r\n":"a="+o.candidate.candidate+"\r\n",i._localDescription.sdp=n.getDescription(i._localDescription.sdp)+p.join("");var u=i.transceivers.every((function(e){return e.iceGatherer&&"completed"===e.iceGatherer.state}));"gathering"!==i.iceGatheringState&&(i.iceGatheringState="gathering",i._emitGatheringStateChange()),c||i._dispatchEvent("icecandidate",o),u&&(i._dispatchEvent("icecandidate",new Event("icecandidate")),i.iceGatheringState="complete",i._emitGatheringStateChange())}},e.setTimeout((function(){o.forEach((function(e){a.onlocalcandidate(e)}))}),0)}},p.prototype._createIceAndDtlsTransports=function(){var t=this,r=new e.RTCIceTransport(null);r.onicestatechange=function(){t._updateIceConnectionState(),t._updateConnectionState()};var n=new e.RTCDtlsTransport(r);return n.ondtlsstatechange=function(){t._updateConnectionState()},n.onerror=function(){Object.defineProperty(n,"state",{value:"failed",writable:!0}),t._updateConnectionState()},{iceTransport:r,dtlsTransport:n}},p.prototype._disposeIceAndDtlsTransports=function(e){var t=this.transceivers[e].iceGatherer;t&&(delete t.onlocalcandidate,delete this.transceivers[e].iceGatherer);var r=this.transceivers[e].iceTransport;r&&(delete r.onicestatechange,delete this.transceivers[e].iceTransport);var n=this.transceivers[e].dtlsTransport;n&&(delete n.ondtlsstatechange,delete n.onerror,delete this.transceivers[e].dtlsTransport)},p.prototype._transceive=function(e,r,i){var o=a(e.localCapabilities,e.remoteCapabilities);r&&e.rtpSender&&(o.encodings=e.sendEncodingParameters,o.rtcp={cname:n.localCName,compound:e.rtcpParameters.compound},e.recvEncodingParameters.length&&(o.rtcp.ssrc=e.recvEncodingParameters[0].ssrc),e.rtpSender.send(o)),i&&e.rtpReceiver&&o.codecs.length>0&&("video"===e.kind&&e.recvEncodingParameters&&t<15019&&e.recvEncodingParameters.forEach((function(e){delete e.rtx})),e.recvEncodingParameters.length?o.encodings=e.recvEncodingParameters:o.encodings=[{}],o.rtcp={compound:e.rtcpParameters.compound},e.rtcpParameters.cname&&(o.rtcp.cname=e.rtcpParameters.cname),e.sendEncodingParameters.length&&(o.rtcp.ssrc=e.sendEncodingParameters[0].ssrc),e.rtpReceiver.receive(o))},p.prototype.setLocalDescription=function(e){var t,r,i=this;if(-1===["offer","answer"].indexOf(e.type))return Promise.reject(c("TypeError",'Unsupported type "'+e.type+'"'));if(!o("setLocalDescription",e.type,i.signalingState)||i._isClosed)return Promise.reject(c("InvalidStateError","Can not set local "+e.type+" in state "+i.signalingState));if("offer"===e.type)t=n.splitSections(e.sdp),r=t.shift(),t.forEach((function(e,t){var r=n.parseRtpParameters(e);i.transceivers[t].localCapabilities=r})),i.transceivers.forEach((function(e,t){i._gather(e.mid,t)}));else if("answer"===e.type){t=n.splitSections(i._remoteDescription.sdp),r=t.shift();var s=n.matchPrefix(r,"a=ice-lite").length>0;t.forEach((function(e,t){var o=i.transceivers[t],c=o.iceGatherer,d=o.iceTransport,p=o.dtlsTransport,u=o.localCapabilities,f=o.remoteCapabilities;if(!(n.isRejected(e)&&0===n.matchPrefix(e,"a=bundle-only").length)&&!o.rejected){var l=n.getIceParameters(e,r),m=n.getDtlsParameters(e,r);s&&(m.role="server"),i.usingBundle&&0!==t||(i._gather(o.mid,t),"new"===d.state&&d.start(c,l,s?"controlling":"controlled"),"new"===p.state&&p.start(m));var h=a(u,f);i._transceive(o,h.codecs.length>0,!1)}}))}return i._localDescription={type:e.type,sdp:e.sdp},"offer"===e.type?i._updateSignalingState("have-local-offer"):i._updateSignalingState("stable"),Promise.resolve()},p.prototype.setRemoteDescription=function(i){var p=this;if(-1===["offer","answer"].indexOf(i.type))return Promise.reject(c("TypeError",'Unsupported type "'+i.type+'"'));if(!o("setRemoteDescription",i.type,p.signalingState)||p._isClosed)return Promise.reject(c("InvalidStateError","Can not set remote "+i.type+" in state "+p.signalingState));var u={};p.remoteStreams.forEach((function(e){u[e.id]=e}));var f=[],l=n.splitSections(i.sdp),m=l.shift(),h=n.matchPrefix(m,"a=ice-lite").length>0,v=n.matchPrefix(m,"a=group:BUNDLE ").length>0;p.usingBundle=v;var y=n.matchPrefix(m,"a=ice-options:")[0];return p.canTrickleIceCandidates=!!y&&y.substr(14).split(" ").indexOf("trickle")>=0,l.forEach((function(o,c){var d=n.splitLines(o),l=n.getKind(o),y=n.isRejected(o)&&0===n.matchPrefix(o,"a=bundle-only").length,g=d[0].substr(2).split(" ")[2],C=n.getDirection(o,m),S=n.parseMsid(o),T=n.getMid(o)||n.generateIdentifier();if(y||"application"===l&&("DTLS/SCTP"===g||"UDP/DTLS/SCTP"===g))p.transceivers[c]={mid:T,kind:l,protocol:g,rejected:!0};else{var P,R,b,E,_,w,k,x,M;!y&&p.transceivers[c]&&p.transceivers[c].rejected&&(p.transceivers[c]=p._createTransceiver(l,!0));var D,O,I=n.parseRtpParameters(o);y||(D=n.getIceParameters(o,m),(O=n.getDtlsParameters(o,m)).role="client"),k=n.parseRtpEncodingParameters(o);var j=n.parseRtcpParameters(o),L=n.matchPrefix(o,"a=end-of-candidates",m).length>0,G=n.matchPrefix(o,"a=candidate:").map((function(e){return n.parseCandidate(e)})).filter((function(e){return 1===e.component}));if(("offer"===i.type||"answer"===i.type)&&!y&&v&&c>0&&p.transceivers[c]&&(p._disposeIceAndDtlsTransports(c),p.transceivers[c].iceGatherer=p.transceivers[0].iceGatherer,p.transceivers[c].iceTransport=p.transceivers[0].iceTransport,p.transceivers[c].dtlsTransport=p.transceivers[0].dtlsTransport,p.transceivers[c].rtpSender&&p.transceivers[c].rtpSender.setTransport(p.transceivers[0].dtlsTransport),p.transceivers[c].rtpReceiver&&p.transceivers[c].rtpReceiver.setTransport(p.transceivers[0].dtlsTransport)),"offer"!==i.type||y){if("answer"===i.type&&!y){R=(P=p.transceivers[c]).iceGatherer,b=P.iceTransport,E=P.dtlsTransport,_=P.rtpReceiver,w=P.sendEncodingParameters,x=P.localCapabilities,p.transceivers[c].recvEncodingParameters=k,p.transceivers[c].remoteCapabilities=I,p.transceivers[c].rtcpParameters=j,G.length&&"new"===b.state&&(!h&&!L||v&&0!==c?G.forEach((function(e){s(P.iceTransport,e)})):b.setRemoteCandidates(G)),v&&0!==c||("new"===b.state&&b.start(R,D,"controlling"),"new"===E.state&&E.start(O)),!a(P.localCapabilities,P.remoteCapabilities).codecs.filter((function(e){return"rtx"===e.name.toLowerCase()})).length&&P.sendEncodingParameters[0].rtx&&delete P.sendEncodingParameters[0].rtx,p._transceive(P,"sendrecv"===C||"recvonly"===C,"sendrecv"===C||"sendonly"===C),!_||"sendrecv"!==C&&"sendonly"!==C?delete P.rtpReceiver:(M=_.track,S?(u[S.stream]||(u[S.stream]=new e.MediaStream),r(M,u[S.stream]),f.push([M,_,u[S.stream]])):(u.default||(u.default=new e.MediaStream),r(M,u.default),f.push([M,_,u.default])))}}else{(P=p.transceivers[c]||p._createTransceiver(l)).mid=T,P.iceGatherer||(P.iceGatherer=p._createIceGatherer(c,v)),G.length&&"new"===P.iceTransport.state&&(!L||v&&0!==c?G.forEach((function(e){s(P.iceTransport,e)})):P.iceTransport.setRemoteCandidates(G)),x=e.RTCRtpReceiver.getCapabilities(l),t<15019&&(x.codecs=x.codecs.filter((function(e){return"rtx"!==e.name}))),w=P.sendEncodingParameters||[{ssrc:1001*(2*c+2)}];var A,N=!1;if("sendrecv"===C||"sendonly"===C){if(N=!P.rtpReceiver,_=P.rtpReceiver||new e.RTCRtpReceiver(P.dtlsTransport,l),N)M=_.track,S&&"-"===S.stream||(S?(u[S.stream]||(u[S.stream]=new e.MediaStream,Object.defineProperty(u[S.stream],"id",{get:function(){return S.stream}})),Object.defineProperty(M,"id",{get:function(){return S.track}}),A=u[S.stream]):(u.default||(u.default=new e.MediaStream),A=u.default)),A&&(r(M,A),P.associatedRemoteMediaStreams.push(A)),f.push([M,_,A])}else P.rtpReceiver&&P.rtpReceiver.track&&(P.associatedRemoteMediaStreams.forEach((function(t){var r=t.getTracks().find((function(e){return e.id===P.rtpReceiver.track.id}));r&&function(t,r){r.removeTrack(t),r.dispatchEvent(new e.MediaStreamTrackEvent("removetrack",{track:t}))}(r,t)})),P.associatedRemoteMediaStreams=[]);P.localCapabilities=x,P.remoteCapabilities=I,P.rtpReceiver=_,P.rtcpParameters=j,P.sendEncodingParameters=w,P.recvEncodingParameters=k,p._transceive(p.transceivers[c],!1,N)}}})),void 0===p._dtlsRole&&(p._dtlsRole="offer"===i.type?"active":"passive"),p._remoteDescription={type:i.type,sdp:i.sdp},"offer"===i.type?p._updateSignalingState("have-remote-offer"):p._updateSignalingState("stable"),Object.keys(u).forEach((function(t){var r=u[t];if(r.getTracks().length){if(-1===p.remoteStreams.indexOf(r)){p.remoteStreams.push(r);var n=new Event("addstream");n.stream=r,e.setTimeout((function(){p._dispatchEvent("addstream",n)}))}f.forEach((function(e){var t=e[0],n=e[1];r.id===e[2].id&&d(p,t,n,[r])}))}})),f.forEach((function(e){e[2]||d(p,e[0],e[1],[])})),e.setTimeout((function(){p&&p.transceivers&&p.transceivers.forEach((function(e){e.iceTransport&&"new"===e.iceTransport.state&&e.iceTransport.getRemoteCandidates().length>0&&(console.warn("Timeout for addRemoteCandidate. Consider sending an end-of-candidates notification"),e.iceTransport.addRemoteCandidate({}))}))}),4e3),Promise.resolve()},p.prototype.close=function(){this.transceivers.forEach((function(e){e.iceTransport&&e.iceTransport.stop(),e.dtlsTransport&&e.dtlsTransport.stop(),e.rtpSender&&e.rtpSender.stop(),e.rtpReceiver&&e.rtpReceiver.stop()})),this._isClosed=!0,this._updateSignalingState("closed")},p.prototype._updateSignalingState=function(e){this.signalingState=e;var t=new Event("signalingstatechange");this._dispatchEvent("signalingstatechange",t)},p.prototype._maybeFireNegotiationNeeded=function(){var t=this;"stable"===this.signalingState&&!0!==this.needNegotiation&&(this.needNegotiation=!0,e.setTimeout((function(){if(t.needNegotiation){t.needNegotiation=!1;var e=new Event("negotiationneeded");t._dispatchEvent("negotiationneeded",e)}}),0))},p.prototype._updateIceConnectionState=function(){var e,t={new:0,closed:0,checking:0,connected:0,completed:0,disconnected:0,failed:0};if(this.transceivers.forEach((function(e){e.iceTransport&&!e.rejected&&t[e.iceTransport.state]++})),e="new",t.failed>0?e="failed":t.checking>0?e="checking":t.disconnected>0?e="disconnected":t.new>0?e="new":t.connected>0?e="connected":t.completed>0&&(e="completed"),e!==this.iceConnectionState){this.iceConnectionState=e;var r=new Event("iceconnectionstatechange");this._dispatchEvent("iceconnectionstatechange",r)}},p.prototype._updateConnectionState=function(){var e,t={new:0,closed:0,connecting:0,connected:0,completed:0,disconnected:0,failed:0};if(this.transceivers.forEach((function(e){e.iceTransport&&e.dtlsTransport&&!e.rejected&&(t[e.iceTransport.state]++,t[e.dtlsTransport.state]++)})),t.connected+=t.completed,e="new",t.failed>0?e="failed":t.connecting>0?e="connecting":t.disconnected>0?e="disconnected":t.new>0?e="new":t.connected>0&&(e="connected"),e!==this.connectionState){this.connectionState=e;var r=new Event("connectionstatechange");this._dispatchEvent("connectionstatechange",r)}},p.prototype.createOffer=function(){var r=this;if(r._isClosed)return Promise.reject(c("InvalidStateError","Can not call createOffer after close"));var a=r.transceivers.filter((function(e){return"audio"===e.kind})).length,o=r.transceivers.filter((function(e){return"video"===e.kind})).length,s=arguments[0];if(s){if(s.mandatory||s.optional)throw new TypeError("Legacy mandatory/optional constraints not supported.");void 0!==s.offerToReceiveAudio&&(a=!0===s.offerToReceiveAudio?1:!1===s.offerToReceiveAudio?0:s.offerToReceiveAudio),void 0!==s.offerToReceiveVideo&&(o=!0===s.offerToReceiveVideo?1:!1===s.offerToReceiveVideo?0:s.offerToReceiveVideo)}for(r.transceivers.forEach((function(e){"audio"===e.kind?--a<0&&(e.wantReceive=!1):"video"===e.kind&&--o<0&&(e.wantReceive=!1)}));a>0||o>0;)a>0&&(r._createTransceiver("audio"),a--),o>0&&(r._createTransceiver("video"),o--);var d=n.writeSessionBoilerplate(r._sdpSessionId,r._sdpSessionVersion++);r.transceivers.forEach((function(i,a){var o=i.track,s=i.kind,c=i.mid||n.generateIdentifier();i.mid=c,i.iceGatherer||(i.iceGatherer=r._createIceGatherer(a,r.usingBundle));var d=e.RTCRtpSender.getCapabilities(s);t<15019&&(d.codecs=d.codecs.filter((function(e){return"rtx"!==e.name}))),d.codecs.forEach((function(e){"H264"===e.name&&void 0===e.parameters["level-asymmetry-allowed"]&&(e.parameters["level-asymmetry-allowed"]="1"),i.remoteCapabilities&&i.remoteCapabilities.codecs&&i.remoteCapabilities.codecs.forEach((function(t){e.name.toLowerCase()===t.name.toLowerCase()&&e.clockRate===t.clockRate&&(e.preferredPayloadType=t.payloadType)}))})),d.headerExtensions.forEach((function(e){(i.remoteCapabilities&&i.remoteCapabilities.headerExtensions||[]).forEach((function(t){e.uri===t.uri&&(e.id=t.id)}))}));var p=i.sendEncodingParameters||[{ssrc:1001*(2*a+1)}];o&&t>=15019&&"video"===s&&!p[0].rtx&&(p[0].rtx={ssrc:p[0].ssrc+1}),i.wantReceive&&(i.rtpReceiver=new e.RTCRtpReceiver(i.dtlsTransport,s)),i.localCapabilities=d,i.sendEncodingParameters=p})),"max-compat"!==r._config.bundlePolicy&&(d+="a=group:BUNDLE "+r.transceivers.map((function(e){return e.mid})).join(" ")+"\r\n"),d+="a=ice-options:trickle\r\n",r.transceivers.forEach((function(e,t){d+=i(e,e.localCapabilities,"offer",e.stream,r._dtlsRole),d+="a=rtcp-rsize\r\n",!e.iceGatherer||"new"===r.iceGatheringState||0!==t&&r.usingBundle||(e.iceGatherer.getLocalCandidates().forEach((function(e){e.component=1,d+="a="+n.writeCandidate(e)+"\r\n"})),"completed"===e.iceGatherer.state&&(d+="a=end-of-candidates\r\n"))}));var p=new e.RTCSessionDescription({type:"offer",sdp:d});return Promise.resolve(p)},p.prototype.createAnswer=function(){var r=this;if(r._isClosed)return Promise.reject(c("InvalidStateError","Can not call createAnswer after close"));if("have-remote-offer"!==r.signalingState&&"have-local-pranswer"!==r.signalingState)return Promise.reject(c("InvalidStateError","Can not call createAnswer in signalingState "+r.signalingState));var o=n.writeSessionBoilerplate(r._sdpSessionId,r._sdpSessionVersion++);r.usingBundle&&(o+="a=group:BUNDLE "+r.transceivers.map((function(e){return e.mid})).join(" ")+"\r\n"),o+="a=ice-options:trickle\r\n";var s=n.getMediaSections(r._remoteDescription.sdp).length;r.transceivers.forEach((function(e,n){if(!(n+1>s)){if(e.rejected)return"application"===e.kind?"DTLS/SCTP"===e.protocol?o+="m=application 0 DTLS/SCTP 5000\r\n":o+="m=application 0 "+e.protocol+" webrtc-datachannel\r\n":"audio"===e.kind?o+="m=audio 0 UDP/TLS/RTP/SAVPF 0\r\na=rtpmap:0 PCMU/8000\r\n":"video"===e.kind&&(o+="m=video 0 UDP/TLS/RTP/SAVPF 120\r\na=rtpmap:120 VP8/90000\r\n"),void(o+="c=IN IP4 0.0.0.0\r\na=inactive\r\na=mid:"+e.mid+"\r\n");var c;if(e.stream)"audio"===e.kind?c=e.stream.getAudioTracks()[0]:"video"===e.kind&&(c=e.stream.getVideoTracks()[0]),c&&t>=15019&&"video"===e.kind&&!e.sendEncodingParameters[0].rtx&&(e.sendEncodingParameters[0].rtx={ssrc:e.sendEncodingParameters[0].ssrc+1});var d=a(e.localCapabilities,e.remoteCapabilities);!d.codecs.filter((function(e){return"rtx"===e.name.toLowerCase()})).length&&e.sendEncodingParameters[0].rtx&&delete e.sendEncodingParameters[0].rtx,o+=i(e,d,"answer",e.stream,r._dtlsRole),e.rtcpParameters&&e.rtcpParameters.reducedSize&&(o+="a=rtcp-rsize\r\n")}}));var d=new e.RTCSessionDescription({type:"answer",sdp:o});return Promise.resolve(d)},p.prototype.addIceCandidate=function(e){var t,r=this;return e&&void 0===e.sdpMLineIndex&&!e.sdpMid?Promise.reject(new TypeError("sdpMLineIndex or sdpMid required")):new Promise((function(i,a){if(!r._remoteDescription)return a(c("InvalidStateError","Can not add ICE candidate without a remote description"));if(e&&""!==e.candidate){var o=e.sdpMLineIndex;if(e.sdpMid)for(var d=0;d0?n.parseCandidate(e.candidate):{};if("tcp"===u.protocol&&(0===u.port||9===u.port))return i();if(u.component&&1!==u.component)return i();if((0===o||o>0&&p.iceTransport!==r.transceivers[0].iceTransport)&&!s(p.iceTransport,u))return a(c("OperationError","Can not add ICE candidate"));var f=e.candidate.trim();0===f.indexOf("a=")&&(f=f.substr(2)),(t=n.getMediaSections(r._remoteDescription.sdp))[o]+="a="+(u.type?f:"end-of-candidates")+"\r\n",r._remoteDescription.sdp=n.getDescription(r._remoteDescription.sdp)+t.join("")}else for(var l=0;l0?t[0].split("/")[1]:"sendrecv",uri:t[1]}},n.writeExtmap=function(e){return"a=extmap:"+(e.id||e.preferredId)+(e.direction&&"sendrecv"!==e.direction?"/"+e.direction:"")+" "+e.uri+"\r\n"},n.parseFmtp=function(e){for(var t,r={},n=e.substr(e.indexOf(" ")+1).split(";"),i=0;i-1?(r.attribute=e.substr(t+1,n-t-1),r.value=e.substr(n+1)):r.attribute=e.substr(t+1),r},n.parseSsrcGroup=function(e){var t=e.substr(13).split(" ");return{semantics:t.shift(),ssrcs:t.map((function(e){return parseInt(e,10)}))}},n.getMid=function(e){var t=n.matchPrefix(e,"a=mid:")[0];if(t)return t.substr(6)},n.parseFingerprint=function(e){var t=e.substr(14).split(" ");return{algorithm:t[0].toLowerCase(),value:t[1]}},n.getDtlsParameters=function(e,t){return{role:"auto",fingerprints:n.matchPrefix(e+t,"a=fingerprint:").map(n.parseFingerprint)}},n.writeDtlsParameters=function(e,t){var r="a=setup:"+t+"\r\n";return e.fingerprints.forEach((function(e){r+="a=fingerprint:"+e.algorithm+" "+e.value+"\r\n"})),r},n.parseCryptoLine=function(e){var t=e.substr(9).split(" ");return{tag:parseInt(t[0],10),cryptoSuite:t[1],keyParams:t[2],sessionParams:t.slice(3)}},n.writeCryptoLine=function(e){return"a=crypto:"+e.tag+" "+e.cryptoSuite+" "+("object"==typeof e.keyParams?n.writeCryptoKeyParams(e.keyParams):e.keyParams)+(e.sessionParams?" "+e.sessionParams.join(" "):"")+"\r\n"},n.parseCryptoKeyParams=function(e){if(0!==e.indexOf("inline:"))return null;var t=e.substr(7).split("|");return{keyMethod:"inline",keySalt:t[0],lifeTime:t[1],mkiValue:t[2]?t[2].split(":")[0]:void 0,mkiLength:t[2]?t[2].split(":")[1]:void 0}},n.writeCryptoKeyParams=function(e){return e.keyMethod+":"+e.keySalt+(e.lifeTime?"|"+e.lifeTime:"")+(e.mkiValue&&e.mkiLength?"|"+e.mkiValue+":"+e.mkiLength:"")},n.getCryptoParameters=function(e,t){return n.matchPrefix(e+t,"a=crypto:").map(n.parseCryptoLine)},n.getIceParameters=function(e,t){var r=n.matchPrefix(e+t,"a=ice-ufrag:")[0],i=n.matchPrefix(e+t,"a=ice-pwd:")[0];return r&&i?{usernameFragment:r.substr(12),password:i.substr(10)}:null},n.writeIceParameters=function(e){return"a=ice-ufrag:"+e.usernameFragment+"\r\na=ice-pwd:"+e.password+"\r\n"},n.parseRtpParameters=function(e){for(var t={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]},r=n.splitLines(e)[0].split(" "),i=3;i0?"9":"0",r+=" 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parseInt(e,10)}))}));d.length>0&&d[0].length>1&&d[0][0]===c&&(t=d[0][1]),i.codecs.forEach((function(e){if("RTX"===e.name.toUpperCase()&&e.parameters.apt){var n={ssrc:c,codecPayloadType:parseInt(e.parameters.apt,10)};c&&t&&(n.rtx={ssrc:t}),r.push(n),a&&((n=JSON.parse(JSON.stringify(n))).fec={ssrc:c,mechanism:o?"red+ulpfec":"red"},r.push(n))}})),0===r.length&&c&&r.push({ssrc:c});var p=n.matchPrefix(e,"b=");return p.length&&(p=0===p[0].indexOf("b=TIAS:")?parseInt(p[0].substr(7),10):0===p[0].indexOf("b=AS:")?1e3*parseInt(p[0].substr(5),10)*.95-16e3:void 0,r.forEach((function(e){e.maxBitrate=p}))),r},n.parseRtcpParameters=function(e){var t={},r=n.matchPrefix(e,"a=ssrc:").map((function(e){return n.parseSsrcMedia(e)})).filter((function(e){return"cname"===e.attribute}))[0];r&&(t.cname=r.value,t.ssrc=r.ssrc);var i=n.matchPrefix(e,"a=rtcp-rsize");t.reducedSize=i.length>0,t.compound=0===i.length;var a=n.matchPrefix(e,"a=rtcp-mux");return t.mux=a.length>0,t},n.parseMsid=function(e){var 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t=c.a.parseBuffer(e),r=u(n).create();return r.setData(t),r}function a(e,t){return e[t+3]>>>0|e[t+2]<<8>>>0|e[t+1]<<16>>>0|e[t]<<24>>>0}function o(e,t){return String.fromCharCode(e[t++])+String.fromCharCode(e[t++])+String.fromCharCode(e[t++])+String.fromCharCode(e[t])}return t={parse:i,findLastTopIsoBoxCompleted:function(e,t,n){if(void 0===n&&(n=0),!t||n+8>=t.byteLength)return new f(0,!1);for(var r,i=t instanceof ArrayBuffer?new Uint8Array(t):t,s=0;n=0?r=new f(n,!0,u):s=n+u),n+=u}return r||new f(s,!1)},getMediaTimescaleFromMoov:function(e){var t=i(e),n=t?t.getBox("mdhd"):void 0;return n?n.timescale:NaN},getSamplesInfo:function(e){if(!e||0===e.byteLength)return{sampleList:[],lastSequenceNumber:NaN,totalDuration:NaN,numSequences:NaN};var t,n,r,a,o,s,u,l,c,f,d,h,g,p,m,y,E=i(e),v=E.getBoxes("moof"),_=E.getBoxes("mfhd");m=E.getBoxes("moof").length,p=_[_.length-1].sequence_number,n=0,o=[];var T=-1,b=-1;for(f=0;fb&&(T++,b+=M.entries[T].sample_delta),u==b){O.subSizes=[];var P=M.entries[T];for(h=0;h=t.byteLength)return new f(0,!1);for(var r,i=t instanceof ArrayBuffer?new Uint8Array(t):t,s=0;n=0?r=new f(n,!0,u,l):s=n+u),n+=u}return r||new f(s,!1)}},e=Object(r.a)(n).getInstance().getLogger(t),t}d.__dashjs_factory_name="BoxParser";t.a=o.a.getSingletonFactory(d)},function(e,t){var n;n=function(){return this}();try{n=n||new Function("return this")()}catch(e){"object"==typeof window&&(n=window)}e.exports=n},function(e,t,n){ +/*! codem-isoboxer v0.3.6 https://github.com/madebyhiro/codem-isoboxer/blob/master/LICENSE.txt */ +var r={parseBuffer:function(e){return new i(e).parse()},addBoxProcessor:function(e,t){"string"==typeof e&&"function"==typeof t&&(a.prototype._boxProcessors[e]=t)},createFile:function(){return new i},createBox:function(e,t,n){var r=a.create(e);return t&&t.append(r,n),r},createFullBox:function(e,t,n){var i=r.createBox(e,t,n);return i.version=0,i.flags=0,i},Utils:{}};r.Utils.dataViewToString=function(e,t){var n=t||"utf-8";if("undefined"!=typeof TextDecoder)return new TextDecoder(n).decode(e);var r=[],i=0;if("utf-8"===n)for(;i>6),t.push(128|63&r)):r<65536?(t.push(224|r>>12),t.push(128|63&r>>6),t.push(128|63&r)):(t.push(240|r>>18),t.push(128|63&r>>12),t.push(128|63&r>>6),t.push(128|63&r))}return t},r.Utils.appendBox=function(e,t,n){if(t._offset=e._cursor.offset,t._root=e._root?e._root:e,t._raw=e._raw,t._parent=e,-1!==n)if(null!=n){var r,i=-1;if("number"==typeof n)i=n;else{if("string"==typeof n)r=n;else{if("object"!=typeof n||!n.type)return void e.boxes.push(t);r=n.type}for(var a=0;a>3,t},a.prototype._readUint=function(e){var t,n,r=null,i=this._cursor.offset-this._raw.byteOffset;switch(e){case 8:r=this._raw.getUint8(i);break;case 16:r=this._raw.getUint16(i);break;case 24:r=((t=this._raw.getUint16(i))<<8)+(n=this._raw.getUint8(i+2));break;case 32:r=this._raw.getUint32(i);break;case 64:t=this._raw.getUint32(i),n=this._raw.getUint32(i+4),r=t*Math.pow(2,32)+n}return this._cursor.offset+=e>>3,r},a.prototype._readString=function(e){for(var t="",n=0;n0?e:this._raw.byteLength-(this._cursor.offset-this._offset);if(t>0){var n=new Uint8Array(this._raw.buffer,this._cursor.offset,t);return this._cursor.offset+=t,n}return null},a.prototype._readUTF8String=function(){var e=this._raw.byteLength-(this._cursor.offset-this._offset),t=null;return e>0&&(t=new DataView(this._raw.buffer,this._cursor.offset,e),this._cursor.offset+=e),t?r.Utils.dataViewToString(t):t},a.prototype._parseBox=function(){if(this._parsing=!0,this._cursor.offset=this._offset,this._offset+8>this._raw.buffer.byteLength)this._root._incomplete=!0;else{switch(this._procField("size","uint",32),this._procField("type","string",4),1===this.size&&this._procField("largesize","uint",64),"uuid"===this.type&&this._procFieldArray("usertype",16,"uint",8),this.size){case 0:this._raw=new DataView(this._raw.buffer,this._offset,this._raw.byteLength-this._cursor.offset+8);break;case 1:this._offset+this.size>this._raw.buffer.byteLength?(this._incomplete=!0,this._root._incomplete=!0):this._raw=new DataView(this._raw.buffer,this._offset,this.largesize);break;default:this._offset+this.size>this._raw.buffer.byteLength?(this._incomplete=!0,this._root._incomplete=!0):this._raw=new DataView(this._raw.buffer,this._offset,this.size)}this._incomplete||(this._boxProcessors[this.type]&&this._boxProcessors[this.type].call(this),-1!==this._boxContainers.indexOf(this.type)?this._parseContainerBox():this._data=this._readData())}},a.prototype._parseFullBox=function(){this.version=this._readUint(8),this.flags=this._readUint(24)},a.prototype._parseContainerBox=function(){for(this.boxes=[];this._cursor.offset-this._raw.byteOffset>3}else this.size+=e>>3},a.prototype._writeUint=function(e,t){if(this._rawo){var n,r,i=this._cursor.offset-this._rawo.byteOffset;switch(e){case 8:this._rawo.setUint8(i,t);break;case 16:this._rawo.setUint16(i,t);break;case 24:n=(16776960&t)>>8,r=255&t,this._rawo.setUint16(i,n),this._rawo.setUint8(i+2,r);break;case 32:this._rawo.setUint32(i,t);break;case 64:r=t-(n=Math.floor(t/Math.pow(2,32)))*Math.pow(2,32),this._rawo.setUint32(i,n),this._rawo.setUint32(i+4,r)}this._cursor.offset+=e>>3}else this.size+=e>>3},a.prototype._writeString=function(e,t){for(var n=0;n>10&31),96+(this.language>>5&31),96+(31&this.language))),this._procField("pre_defined","uint",16)},a.prototype._boxProcessors.mehd=function(){this._procFullBox(),this._procField("fragment_duration","uint",1==this.version?64:32)},a.prototype._boxProcessors.mfhd=function(){this._procFullBox(),this._procField("sequence_number","uint",32)},a.prototype._boxProcessors.mfro=function(){this._procFullBox(),this._procField("mfra_size","uint",32)},a.prototype._boxProcessors.mp4a=a.prototype._boxProcessors.enca=function(){this._procFieldArray("reserved1",6,"uint",8),this._procField("data_reference_index","uint",16),this._procFieldArray("reserved2",2,"uint",32),this._procField("channelcount","uint",16),this._procField("samplesize","uint",16),this._procField("pre_defined","uint",16),this._procField("reserved3","uint",16),this._procField("samplerate","template",32),this._procField("esds","data",-1)},a.prototype._boxProcessors.mvhd=function(){this._procFullBox(),this._procField("creation_time","uint",1==this.version?64:32),this._procField("modification_time","uint",1==this.version?64:32),this._procField("timescale","uint",32),this._procField("duration","uint",1==this.version?64:32),this._procField("rate","template",32),this._procField("volume","template",16),this._procField("reserved1","uint",16),this._procFieldArray("reserved2",2,"uint",32),this._procFieldArray("matrix",9,"template",32),this._procFieldArray("pre_defined",6,"uint",32),this._procField("next_track_ID","uint",32)},a.prototype._boxProcessors.payl=function(){this._procField("cue_text","utf8")},a.prototype._boxProcessors.pssh=function(){this._procFullBox(),this._procFieldArray("SystemID",16,"uint",8),this._procField("DataSize","uint",32),this._procFieldArray("Data",this.DataSize,"uint",8)},a.prototype._boxProcessors.schm=function(){this._procFullBox(),this._procField("scheme_type","uint",32),this._procField("scheme_version","uint",32),1&this.flags&&this._procField("scheme_uri","string",-1)},a.prototype._boxProcessors.sdtp=function(){this._procFullBox();var e=-1;this._parsing&&(e=this._raw.byteLength-(this._cursor.offset-this._raw.byteOffset)),this._procFieldArray("sample_dependency_table",e,"uint",8)},a.prototype._boxProcessors.sidx=function(){this._procFullBox(),this._procField("reference_ID","uint",32),this._procField("timescale","uint",32),this._procField("earliest_presentation_time","uint",1==this.version?64:32),this._procField("first_offset","uint",1==this.version?64:32),this._procField("reserved","uint",16),this._procField("reference_count","uint",16),this._procEntries("references",this.reference_count,(function(e){this._parsing||(e.reference=(1&e.reference_type)<<31,e.reference|=2147483647&e.referenced_size,e.sap=(1&e.starts_with_SAP)<<31,e.sap|=(3&e.SAP_type)<<28,e.sap|=268435455&e.SAP_delta_time),this._procEntryField(e,"reference","uint",32),this._procEntryField(e,"subsegment_duration","uint",32),this._procEntryField(e,"sap","uint",32),this._parsing&&(e.reference_type=e.reference>>31&1,e.referenced_size=2147483647&e.reference,e.starts_with_SAP=e.sap>>31&1,e.SAP_type=e.sap>>28&7,e.SAP_delta_time=268435455&e.sap)}))},a.prototype._boxProcessors.smhd=function(){this._procFullBox(),this._procField("balance","uint",16),this._procField("reserved","uint",16)},a.prototype._boxProcessors.ssix=function(){this._procFullBox(),this._procField("subsegment_count","uint",32),this._procEntries("subsegments",this.subsegment_count,(function(e){this._procEntryField(e,"ranges_count","uint",32),this._procSubEntries(e,"ranges",e.ranges_count,(function(e){this._procEntryField(e,"level","uint",8),this._procEntryField(e,"range_size","uint",24)}))}))},a.prototype._boxProcessors.stsd=function(){this._procFullBox(),this._procField("entry_count","uint",32),this._procSubBoxes("entries",this.entry_count)},a.prototype._boxProcessors.subs=function(){this._procFullBox(),this._procField("entry_count","uint",32),this._procEntries("entries",this.entry_count,(function(e){this._procEntryField(e,"sample_delta","uint",32),this._procEntryField(e,"subsample_count","uint",16),this._procSubEntries(e,"subsamples",e.subsample_count,(function(e){this._procEntryField(e,"subsample_size","uint",1===this.version?32:16),this._procEntryField(e,"subsample_priority","uint",8),this._procEntryField(e,"discardable","uint",8),this._procEntryField(e,"codec_specific_parameters","uint",32)}))}))},a.prototype._boxProcessors.tenc=function(){this._procFullBox(),this._procField("default_IsEncrypted","uint",24),this._procField("default_IV_size","uint",8),this._procFieldArray("default_KID",16,"uint",8)},a.prototype._boxProcessors.tfdt=function(){this._procFullBox(),this._procField("baseMediaDecodeTime","uint",1==this.version?64:32)},a.prototype._boxProcessors.tfhd=function(){this._procFullBox(),this._procField("track_ID","uint",32),1&this.flags&&this._procField("base_data_offset","uint",64),2&this.flags&&this._procField("sample_description_offset","uint",32),8&this.flags&&this._procField("default_sample_duration","uint",32),16&this.flags&&this._procField("default_sample_size","uint",32),32&this.flags&&this._procField("default_sample_flags","uint",32)},a.prototype._boxProcessors.tfra=function(){this._procFullBox(),this._procField("track_ID","uint",32),this._parsing||(this.reserved=0,this.reserved|=(48&this.length_size_of_traf_num)<<4,this.reserved|=(12&this.length_size_of_trun_num)<<2,this.reserved|=3&this.length_size_of_sample_num),this._procField("reserved","uint",32),this._parsing&&(this.length_size_of_traf_num=(48&this.reserved)>>4,this.length_size_of_trun_num=(12&this.reserved)>>2,this.length_size_of_sample_num=3&this.reserved),this._procField("number_of_entry","uint",32),this._procEntries("entries",this.number_of_entry,(function(e){this._procEntryField(e,"time","uint",1===this.version?64:32),this._procEntryField(e,"moof_offset","uint",1===this.version?64:32),this._procEntryField(e,"traf_number","uint",8*(this.length_size_of_traf_num+1)),this._procEntryField(e,"trun_number","uint",8*(this.length_size_of_trun_num+1)),this._procEntryField(e,"sample_number","uint",8*(this.length_size_of_sample_num+1))}))},a.prototype._boxProcessors.tkhd=function(){this._procFullBox(),this._procField("creation_time","uint",1==this.version?64:32),this._procField("modification_time","uint",1==this.version?64:32),this._procField("track_ID","uint",32),this._procField("reserved1","uint",32),this._procField("duration","uint",1==this.version?64:32),this._procFieldArray("reserved2",2,"uint",32),this._procField("layer","uint",16),this._procField("alternate_group","uint",16),this._procField("volume","template",16),this._procField("reserved3","uint",16),this._procFieldArray("matrix",9,"template",32),this._procField("width","template",32),this._procField("height","template",32)},a.prototype._boxProcessors.trex=function(){this._procFullBox(),this._procField("track_ID","uint",32),this._procField("default_sample_description_index","uint",32),this._procField("default_sample_duration","uint",32),this._procField("default_sample_size","uint",32),this._procField("default_sample_flags","uint",32)},a.prototype._boxProcessors.trun=function(){this._procFullBox(),this._procField("sample_count","uint",32),1&this.flags&&this._procField("data_offset","int",32),4&this.flags&&this._procField("first_sample_flags","uint",32),this._procEntries("samples",this.sample_count,(function(e){256&this.flags&&this._procEntryField(e,"sample_duration","uint",32),512&this.flags&&this._procEntryField(e,"sample_size","uint",32),1024&this.flags&&this._procEntryField(e,"sample_flags","uint",32),2048&this.flags&&this._procEntryField(e,"sample_composition_time_offset",1===this.version?"int":"uint",32)}))},a.prototype._boxProcessors["url "]=a.prototype._boxProcessors["urn "]=function(){this._procFullBox(),"urn "===this.type&&this._procField("name","string",-1),this._procField("location","string",-1)},a.prototype._boxProcessors.vlab=function(){this._procField("source_label","utf8")},a.prototype._boxProcessors.vmhd=function(){this._procFullBox(),this._procField("graphicsmode","uint",16),this._procFieldArray("opcolor",3,"uint",16)},a.prototype._boxProcessors.vttC=function(){this._procField("config","utf8")},a.prototype._boxProcessors.vtte=function(){}},function(e,t){var n,r,i=e.exports={};function a(){throw new Error("setTimeout has not been defined")}function o(){throw new Error("clearTimeout has not been defined")}function s(e){if(n===setTimeout)return setTimeout(e,0);if((n===a||!n)&&setTimeout)return n=setTimeout,setTimeout(e,0);try{return n(e,0)}catch(t){try{return n.call(null,e,0)}catch(t){return n.call(this,e,0)}}}!function(){try{n="function"==typeof setTimeout?setTimeout:a}catch(e){n=a}try{r="function"==typeof clearTimeout?clearTimeout:o}catch(e){r=o}}();var u,l=[],c=!1,f=-1;function d(){c&&u&&(c=!1,u.length?l=u.concat(l):f=-1,l.length&&h())}function h(){if(!c){var e=s(d);c=!0;for(var t=l.length;t;){for(u=l,l=[];++f1)for(var n=1;n0&&r[e.mediaType].ignoreCount--}return t={getMaxIndex:function(e){var t=Object(i.a)(s).create();if(!e||!e.hasOwnProperty("getMediaType"))return t;!function(){if(!h||!h.hasOwnProperty("getCurrentBufferLevel")||!h.hasOwnProperty("getCurrentBufferState"))throw new Error(a.a.MISSING_CONFIG_ERROR)}();var u=e.getMediaType(),l=h.getCurrentBufferState(u),c=e.getRepresentationInfo().fragmentDuration,f=e.getStreamInfo(),d=f?f.id:null,g=e.getScheduleController(),p=f&&f.manifestInfo&&f.manifestInfo.isDynamic;if(function(e,t){return!e&&r[t].ignoreCount>0}(g.getPlaybackController().getLowLatencyModeEnabled(),u)||!c)return t;if(l&&l.state===o.a.BUFFER_EMPTY)n.debug("["+u+"] Switch to index 0; buffer is empty."),t.quality=0,t.reason="InsufficientBufferRule: Buffer is empty";else{var m=e.getMediaInfo(),y=e.getAbrController(),E=y.getThroughputHistory(),v=h.getCurrentBufferLevel(u),_=E.getAverageThroughput(u,p),T=E.getAverageLatency(u),b=_*(v/c)*.5;t.quality=y.getQualityForBitrate(m,b,d,T),t.reason="InsufficientBufferRule: being conservative to avoid immediate rebuffering"}return t},reset:function(){g(),u.off(d.a.PLAYBACK_SEEKING,p,t),u.off(c.a.BYTES_APPENDED_END_FRAGMENT,m,t)}},n=Object(f.a)(s).getInstance().getLogger(t),g(),u.on(d.a.PLAYBACK_SEEKING,p,t),u.on(c.a.BYTES_APPENDED_END_FRAGMENT,m,t),t}h.__dashjs_factory_name="InsufficientBufferRule";var g=r.a.getClassFactory(h);function p(e){e=e||{};var t,n,r,a,o,s=this.context,u=e.mediaPlayerModel,l=e.dashMetrics,c=e.settings;function d(){r={},a={},o=[]}return t={shouldAbandon:function(e){var t=Object(i.a)(s).create(i.a.NO_CHANGE,{name:p.__dashjs_factory_name});if(!(e&&e.hasOwnProperty("getMediaInfo")&&e.hasOwnProperty("getMediaType")&&e.hasOwnProperty("getCurrentRequest")&&e.hasOwnProperty("getRepresentationInfo")&&e.hasOwnProperty("getAbrController")))return t;var f,d,h=e.getMediaInfo(),g=e.getMediaType(),m=e.getStreamInfo(),y=m?m.id:null,E=e.getCurrentRequest();if(!isNaN(E.index)){f=g,d=E.index,r[f]=r[f]||{},r[f][d]=r[f][d]||{};var v=u.getStableBufferTime();if(l.getCurrentBufferLevel(g)>v)return t;var _=r[g][E.index];if(null===_||null===E.firstByteDate||a.hasOwnProperty(_.id))return t;if(void 0===_.firstByteTime&&(o[g]=[],_.firstByteTime=E.firstByteDate.getTime(),_.segmentDuration=E.duration,_.bytesTotal=E.bytesTotal,_.id=E.index),_.bytesLoaded=E.bytesLoaded,_.elapsedTime=(new Date).getTime()-_.firstByteTime,_.bytesLoaded>0&&_.elapsedTime>0&&function(e,t){o[e]=o[e]||[],o[e].push(t)}(g,Math.round(8*_.bytesLoaded/_.elapsedTime)),o[g].length>=5&&_.elapsedTime>500&&_.bytesLoaded<_.bytesTotal){var T=o[g].reduce((function(e,t){return e+t}),0);if(_.measuredBandwidthInKbps=Math.round(T/o[g].length),_.estimatedTimeOfDownload=+(8*_.bytesTotal/_.measuredBandwidthInKbps/1e3).toFixed(2),_.estimatedTimeOfDownload<1.8*_.segmentDuration||0===e.getRepresentationInfo().quality)return t;if(!a.hasOwnProperty(_.id)){var b=e.getAbrController(),S=_.bytesTotal-_.bytesLoaded,A=b.getBitrateList(h),I=b.getQualityForBitrate(h,_.measuredBandwidthInKbps*c.get().streaming.abr.bandwidthSafetyFactor,y),R=b.getMinAllowedIndexFor(g,y),w=void 0!==R?Math.max(R,I):I;S>_.bytesTotal*A[w].bitrate/A[b.getQualityFor(g,y)].bitrate&&(t.quality=w,t.reason.throughput=_.measuredBandwidthInKbps,t.reason.fragmentID=_.id,a[_.id]=_,n.debug("["+g+"] frag id",_.id," is asking to abandon and switch to quality to ",w," measured bandwidth was",_.measuredBandwidthInKbps),delete r[g][_.id])}}else _.bytesLoaded===_.bytesTotal&&delete r[g][_.id]}return t},reset:d},n=Object(f.a)(s).getInstance().getLogger(t),d(),t}p.__dashjs_factory_name="AbandonRequestsRule";var m=r.a.getClassFactory(p);function y(){var e,t,n=this.context;return e={getMaxIndex:function(e){var r=Object(i.a)(n).create();if(!e||!e.hasOwnProperty("getDroppedFramesHistory"))return r;var a=e.getDroppedFramesHistory(),o=e.getStreamInfo().id;if(a){var s=a.getFrameHistory(o);if(!s||0===s.length)return r;for(var u=0,l=0,c=i.a.NO_CHANGE,f=1;f375&&u/l>.15)){c=f-1,t.debug("index: "+c+" Dropped Frames: "+u+" Total Frames: "+l);break}return Object(i.a)(n).create(c,{droppedFrames:u})}return r}},t=Object(f.a)(n).getInstance().getLogger(e),e}y.__dashjs_factory_name="DroppedFramesRule";var E=r.a.getClassFactory(y);function v(){var e,t,n=this.context;return e={getMaxIndex:function(e){for(var r=e?e.getSwitchHistory():null,a=r?r.getSwitchRequests():[],o=0,s=0,u=0,l=Object(i.a)(n).create(),c=0;c=6&&o/s>.075)){l.quality=c>0&&a[c].drops>0?c-1:c,l.reason={index:l.quality,drops:o,noDrops:s,dropSize:u},t.debug("Switch history rule index: "+l.quality+" samples: "+(o+s)+" drops: "+o);break}return l}},t=Object(f.a)(n).getInstance().getLogger(e),e}v.__dashjs_factory_name="SwitchHistoryRule";var _=r.a.getClassFactory(v),T=n(5);function b(e){e=e||{};var t,n,r,s=this.context,u=e.dashMetrics,h=e.mediaPlayerModel,g=Object(l.a)(s).getInstance();function p(e,t,n){var r=n.reduce((function(e,t,r){return t>n[e]?r:e}),0);if(0===r)return null;var i=Math.max(e,10+2*t.length),a=(n[r]-1)/(i/10-1);return{gp:a,Vp:10/a}}function m(e){var t={},n=e.getMediaInfo().bitrateList.map((function(e){return e.bandwidth})),r=function(e){return e.map((function(e){return Math.log(e)}))}(n);r=r.map((function(e){return e-r[0]+1}));var i=h.getStableBufferTime(),a=p(i,n,r);return a?(t.state=1,t.bitrates=n,t.utilities=r,t.stableBufferTime=i,t.Vp=a.Vp,t.gp=a.gp,t.lastQuality=0,y(t)):t.state=0,t}function y(e){e.placeholderBuffer=0,e.mostAdvancedSegmentStart=NaN,e.lastSegmentWasReplacement=!1,e.lastSegmentStart=NaN,e.lastSegmentDurationS=NaN,e.lastSegmentRequestTimeMs=NaN,e.lastSegmentFinishTimeMs=NaN}function E(e,t){var n=h.getStableBufferTime();if(e.stableBufferTime!==n){var r=p(n,e.bitrates,e.utilities);if(r.Vp!==e.Vp||r.gp!==e.gp){var i=u.getCurrentBufferLevel(t),a=i+e.placeholderBuffer;a-=10,a*=r.Vp/e.Vp,a+=10,e.stableBufferTime=n,e.Vp=r.Vp,e.gp=r.gp,e.placeholderBuffer=Math.max(0,a-i)}}}function v(e,t){return e.Vp*(e.utilities[t]+e.gp)}function _(e,t){for(var n=e.bitrates[t],r=e.utilities[t],i=0,a=t-1;a>=0;--a)if(e.utilities[a]t.mostAdvancedSegmentStart?(t.mostAdvancedSegmentStart=n,t.lastSegmentWasReplacement=!1):t.lastSegmentWasReplacement=!0,t.lastSegmentStart=n,t.lastSegmentDurationS=e.chunk.duration,t.lastQuality=e.chunk.quality,R(t,e.chunk.mediaInfo.type)}}}function I(e){if(e&&e.metric===o.a.HTTP_REQUEST&&e.value&&e.value.type===T.a.MEDIA_SEGMENT_TYPE&&e.value.trace&&e.value.trace.length){var t=r[e.mediaType];t&&0!==t.state&&(t.lastSegmentRequestTimeMs=e.value.trequest.getTime(),t.lastSegmentFinishTimeMs=e.value._tfinish.getTime(),R(t,e.mediaType))}}function R(e,t){if(!isNaN(e.lastSegmentStart)&&!isNaN(e.lastSegmentRequestTimeMs)&&!isNaN(e.placeholderBuffer)){if(e.placeholderBuffer*=.99,!isNaN(e.lastSegmentFinishTimeMs)){var n=u.getCurrentBufferLevel(t)+.001*(e.lastSegmentFinishTimeMs-e.lastSegmentRequestTimeMs),r=v(e,e.lastQuality),i=Math.max(0,r-n);e.placeholderBuffer=Math.min(i,e.placeholderBuffer)}e.lastSegmentWasReplacement&&!isNaN(e.lastSegmentDurationS)&&(e.placeholderBuffer+=e.lastSegmentDurationS),e.lastSegmentStart=NaN,e.lastSegmentRequestTimeMs=NaN}}function w(e){if(e){var t=r[e.mediaType];t&&0!==t.state&&(t.abrQuality=e.newQuality)}}function N(e){if(e){var t=r[e.mediaType];if(t&&0!==t.state){var n,i=u.getCurrentBufferLevel(e.mediaType);n=t.abrQuality>0?_(t,t.abrQuality):10;var a=Math.max(0,n-i);t.placeholderBuffer=Math.min(t.placeholderBuffer,a)}}}function C(){r={}}return t={getMaxIndex:function(e){var t=Object(i.a)(s).create();if(!(e&&e.hasOwnProperty("getMediaInfo")&&e.hasOwnProperty("getMediaType")&&e.hasOwnProperty("getScheduleController")&&e.hasOwnProperty("getStreamInfo")&&e.hasOwnProperty("getAbrController")&&e.hasOwnProperty("useBufferOccupancyABR")))return t;var a=e.getMediaInfo(),o=e.getMediaType(),l=e.getScheduleController(),c=e.getStreamInfo(),f=e.getAbrController(),d=f.getThroughputHistory(),h=c?c.id:null,g=c&&c.manifestInfo&&c.manifestInfo.isDynamic,p=e.useBufferOccupancyABR();if(t.reason=t.reason||{},!p)return t;l.setTimeToLoadDelay(0);var T=function(e){var t=e.getMediaType(),n=r[t];return n?0!==n.state&&E(n,t):(n=m(e),r[t]=n),n}(e);if(0===T.state)return t;var b,S=u.getCurrentBufferLevel(o),A=d.getAverageThroughput(o,g),I=d.getSafeAverageThroughput(o,g),R=d.getAverageLatency(o);if(t.reason.state=T.state,t.reason.throughput=A,t.reason.latency=R,isNaN(A))return t;switch(T.state){case 1:b=f.getQualityForBitrate(a,I,h,R),t.quality=b,t.reason.throughput=I,T.placeholderBuffer=Math.max(0,_(T,b)-S),T.lastQuality=b,!isNaN(T.lastSegmentDurationS)&&S>=T.lastSegmentDurationS&&(T.state=2);break;case 2:!function(e,t){var n=Date.now();if(isNaN(e.lastSegmentFinishTimeMs)){if(!isNaN(e.lastCallTimeMs)){var r=.001*(n-e.lastCallTimeMs);e.placeholderBuffer+=Math.max(0,r)}}else{var i=.001*(n-e.lastSegmentFinishTimeMs);e.placeholderBuffer+=Math.max(0,i)}e.lastCallTimeMs=n,e.lastSegmentStart=NaN,e.lastSegmentRequestTimeMs=NaN,e.lastSegmentFinishTimeMs=NaN,E(e,t)}(T,o),b=function(e,t){for(var n=e.bitrates.length,r=NaN,i=NaN,a=0;a=i)&&(i=o,r=a)}return r}(T,S+T.placeholderBuffer);var w=f.getQualityForBitrate(a,I,h,R);b>T.lastQuality&&b>w&&(b=Math.max(w,T.lastQuality));var N=Math.max(0,S+T.placeholderBuffer-v(T,b));N<=T.placeholderBuffer?(T.placeholderBuffer-=N,N=0):(N-=T.placeholderBuffer,T.placeholderBuffer=0,bt.mostAdvancedSegmentStart?(t.mostAdvancedSegmentStart=a,t.lastSegmentWasReplacement=!1):t.lastSegmentWasReplacement=!0,t.lastSegmentStart=a,t.lastSegmentDurationS=e.chunk.duration,t.lastQuality=e.chunk.quality,v(t,i)}}}function E(e){if(e&&e.metric===o.a.HTTP_REQUEST&&e.value&&e.value.type===T.a.MEDIA_SEGMENT_TYPE&&e.value.trace&&e.value.trace.length){var t=n[e.mediaType],i=r[e.mediaType];t&&0!==t.state&&(t.lastSegmentRequestTimeMs=e.value.trequest.getTime(),t.lastSegmentFinishTimeMs=e.value._tfinish.getTime(),v(t,i))}}function v(e,t){isNaN(e.lastSegmentStart)||isNaN(e.lastSegmentRequestTimeMs)||(t.segment_request_start_s=.001*e.lastSegmentRequestTimeMs,t.segment_download_finish_s=.001*e.lastSegmentFinishTimeMs,e.lastSegmentStart=NaN,e.lastSegmentRequestTimeMs=NaN)}function _(e){if(e&&e.mediaType){var t=n[e.mediaType];t&&0!==t.state&&(t.abrQuality=e.newQuality)}}function b(e,t){if(e.length!==t.length)return-1;for(var n=0,r=0;r=O.B_target){D.state=2,O.Q=l;for(var M=0;MF&&(U=-1),O.w[B]=O.prev_w[B]+U*(k/(2*c))*((O.Q+l)*(C*m[B]/F));O.w=function(e){for(var t=e.length,n=!1,r=[],i=0;i=a[l+1]){n=!0;break}n||(s=(o+a[t-1]-1)/t);for(var c=0;cD.lastQuality&&m[D.lastQuality+1]<=F&&(t=D.lastQuality+1),m[t]>=F&&(O.Q=2*Math.max(l,O.Q)),o.quality=t,o.reason.throughput=w,o.reason.latency=N,o.reason.bufferLevel=I,D.lastQuality=o.quality;break;default:s.debug("L2A ABR rule invoked in bad state."),o.quality=_.getQualityForBitrate(f,R,v.id,N),o.reason.state=D.state,o.reason.throughput=R,o.reason.latency=N,D.state=1,p(D)}return o},reset:function(){S(),h.off(c.a.PLAYBACK_SEEKING,m,t),h.off(c.a.MEDIA_FRAGMENT_LOADED,y,t),h.off(c.a.METRIC_ADDED,E,t),h.off(c.a.QUALITY_CHANGE_REQUESTED,_,t)}},s=Object(f.a)(u).getInstance().getLogger(t),S(),h.on(c.a.PLAYBACK_SEEKING,m,t),h.on(c.a.MEDIA_FRAGMENT_LOADED,y,t),h.on(c.a.METRIC_ADDED,E,t),h.on(c.a.QUALITY_CHANGE_REQUESTED,_,t),t}A.__dashjs_factory_name="L2ARule";var I=r.a.getClassFactory(A),R="manual_weight_selection",w="random_weight_selection",N="dynamic_weight_selection";function C(){var e,t,n,r,i,a,o,s,u,l=this.context;function c(){n=null,r=1,i=100,a=0,o=null,s=null,u=N}function d(){var e=0;if(n)for(var t=0;te&&(e=r.state.throughput)}return e}function h(e,t,n){var r=e.map((function(e,r){return n[r]*Math.pow(e-t[r],2)})).reduce((function(e,t){return e+t}));return(r<0?-1:1)*Math.sqrt(Math.abs(r))}function g(e,t){return h([e.state.throughput,e.state.latency,e.state.rebuffer,e.state.switch],[t.state.throughput,t.state.latency,t.state.rebuffer,t.state.switch],[1,1,1,1])}function p(e,t,n){for(var r=0;ro)&&(a=u,o=l)}t.push(a)}for(var g=null,p=null,m=0;mg)&&(g=y,p=m)}var v=[];v.push(t[p]),t.splice(p,1);for(;t.length>0;){for(var _=null,T=null,b=0;b1&&(S=d()),c/=i,t.debug("getNextQuality called throughput:".concat(S," latency:").concat(c," bufferSize:").concat(f," currentQualityIndex:").concat(m," playbackRate:").concat(g));var A=b[m],I=A.bitrate*E.getSegmentDuration()/T,C=Math.max(0,I-_);if(_-In?e-n:e+n-t}return t={getMinBuffer:function(){return s},getSegmentDuration:c,getNextBufferWithBitrate:function(e,t,n){return f(t,e*u/n)},getNextBuffer:f,findWeightVector:function(e,t,i,a,c,d){var h=null,g=null,p=null,m=Math.abs(t-r);return e.forEach((function(e){n.forEach((function(n){n[0];var r=n[1],a=n[2],y=(n[3],e.bitrate*u/c),E=f(i,y),v=(0===a?10:1/a)*Math.max(1e-5,y-E),_=(0===r?10:1/r)*e.state.latency,T=l.calculateSingleUseQoe(e.bitrate,v,_,d);(null===h||T>h)&&function(e,t,n){if(e>o+n)return!1;return t>=s}(t,E,m)&&(h=T,g=n,p=e.bitrate)}))})),null===g&&null===p&&(g=-1),r=t,g}},i=[.2,.4,.6,.8,1],a=4,n=function e(t,n,r){if(r===n)return t;for(var a=t.length,o=0;oR?R=N:NA?O-A:0;s.setupPerSegmentQoe(A,R,I),s.logSegmentMetrics(C,M,_,T);var P=x(l).create({targetLatency:1.5,bufferMin:.3,segmentDuration:A,qoeEvaluator:s});return n.quality=r.getNextQuality(g,1e3*b,_,y,T,h,P),n.reason={throughput:b,latency:_},n.priority=i.a.PRIORITY.STRONG,m.setTimeToLoadDelay(0),n.quality!==h&&console.log("[TgcLearningRule]["+c+"] requesting switch to index: ",n.quality,"Average throughput",Math.round(b),"kbps"),n}catch(e){throw e}},reset:function(){r.reset(),s.reset()}},t=Object(f.a)(l).getInstance().getLogger(n),r=D(l).create(),s=P(l).create(),n}F.__dashjs_factory_name="LoLPRule";var k=r.a.getClassFactory(F);function U(e){e=e||{};var t,n,r=this.context,o=e.mediaPlayerModel,s=e.customParametersModel,l=e.dashMetrics,c=e.settings;function f(e){return e.filter((function(e){return e.quality>i.a.NO_CHANGE}))}function d(e){var t,n,a,o,s,u={},l=null;if(0!==e.length){for(u[i.a.PRIORITY.STRONG]={quality:i.a.NO_CHANGE,reason:null},u[i.a.PRIORITY.WEAK]={quality:i.a.NO_CHANGE,reason:null},u[i.a.PRIORITY.DEFAULT]={quality:i.a.NO_CHANGE,reason:null},t=0,n=e.length;ta.quality)&&(u[a.priority].quality=a.quality,u[a.priority].reason=a.reason||null);return u[i.a.PRIORITY.WEAK].quality!==i.a.NO_CHANGE&&(l=u[i.a.PRIORITY.WEAK]),u[i.a.PRIORITY.DEFAULT].quality!==i.a.NO_CHANGE&&(l=u[i.a.PRIORITY.DEFAULT]),u[i.a.PRIORITY.STRONG].quality!==i.a.NO_CHANGE&&(l=u[i.a.PRIORITY.STRONG]),l&&(o=l.quality,s=l.reason),Object(i.a)(r).create(o,s)}}return{initialize:function(){t=[],n=[],c.get().streaming.abr.useDefaultABRRules&&(c.get().streaming.abr.ABRStrategy===a.a.ABR_STRATEGY_L2A?t.push(I(r).create({dashMetrics:l,settings:c})):c.get().streaming.abr.ABRStrategy===a.a.ABR_STRATEGY_LoLP?t.push(k(r).create({dashMetrics:l})):(t.push(S(r).create({dashMetrics:l,mediaPlayerModel:o,settings:c})),t.push(u(r).create({dashMetrics:l})),c.get().streaming.abr.additionalAbrRules.insufficientBufferRule&&t.push(g(r).create({dashMetrics:l,settings:c})),c.get().streaming.abr.additionalAbrRules.switchHistoryRule&&t.push(_(r).create()),c.get().streaming.abr.additionalAbrRules.droppedFramesRule&&t.push(E(r).create()),c.get().streaming.abr.additionalAbrRules.abandonRequestsRule&&n.push(m(r).create({dashMetrics:l,mediaPlayerModel:o,settings:c})))),s.getAbrCustomRules().forEach((function(e){"qualitySwitchRules"===e.type&&t.push(e.rule(r).create()),"abandonFragmentRules"===e.type&&n.push(e.rule(r).create())}))},reset:function(){[t,n].forEach((function(e){e&&e.length&&e.forEach((function(e){return e.reset&&e.reset()}))})),t=[],n=[]},getMaxQuality:function(e){return d(f(t.map((function(t){return t.getMaxIndex(e)}))))||Object(i.a)(r).create()},getMinSwitchRequest:d,shouldAbandonFragment:function(e,t){return d(f(n.map((function(n){return n.shouldAbandon(e,t)}))))||Object(i.a)(r).create()},getQualitySwitchRules:function(){return t}}}U.__dashjs_factory_name="ABRRulesCollection";var B=r.a.getClassFactory(U);B.QUALITY_SWITCH_RULES="qualitySwitchRules",B.ABANDON_FRAGMENT_RULES="abandonFragmentRules",r.a.updateSingletonFactory(U.__dashjs_factory_name,B);t.a=B},function(e,t,n){"use strict";function r(e,t){for(var n=0;n=e.length?{done:!0}:{done:!1,value:e[r++]}},e:function(e){throw e},f:i}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var a,o=!0,s=!1;return{s:function(){n=e[Symbol.iterator]()},n:function(){var e=n.next();return o=e.done,e},e:function(e){s=!0,a=e},f:function(){try{o||null==n.return||n.return()}finally{if(s)throw a}}}}function I(e){return function(e){if(Array.isArray(e))return w(e)}(e)||function(e){if("undefined"!=typeof Symbol&&Symbol.iterator in Object(e))return Array.from(e)}(e)||R(e)||function(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}()}function R(e,t){if(e){if("string"==typeof e)return w(e,t);var n=Object.prototype.toString.call(e).slice(8,-1);return"Object"===n&&e.constructor&&(n=e.constructor.name),"Map"===n||"Set"===n?Array.from(e):"Arguments"===n||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)?w(e,t):void 0}}function w(e,t){(null==t||t>e.length)&&(t=e.length);for(var n=0,r=new Array(t);n0&&S.a.indexOf(n[0].schemeIdUri)>=0)return t===r.a.IMAGE}if(e.ContentComponent_asArray&&e.ContentComponent_asArray.length>0){if(e.ContentComponent_asArray.length>1)return t===r.a.MUXED;if(e.ContentComponent_asArray[0].contentType===t)return!0}var a=t===r.a.TEXT?new RegExp("(ttml|vtt|wvtt|stpp)"):new RegExp(t);if(e.Representation_asArray&&e.Representation_asArray.length){var o=e.Representation_asArray[0].codecs;if(a.test(o))return!0}if(e.hasOwnProperty(i.a.MIME_TYPE))return a.test(e.mimeType);if(e.Representation_asArray)for(var s,u=0;u0){var t=e.Representation_asArray[0];if(t.hasOwnProperty(i.a.SEGMENT_TEMPLATE)||t.hasOwnProperty(i.a.SEGMENT_TIMELINE)||t.hasOwnProperty(i.a.SEGMENT_LIST)||t.hasOwnProperty(i.a.SEGMENT_BASE))return!0}return!1}function C(e){return w(e,r.a.AUDIO)}function D(e){return w(e,r.a.VIDEO)}function O(e){return w(e,r.a.TEXT)}function M(e){return w(e,r.a.IMAGE)}function P(){return function(e,t){return e.bandwidth-t.bandwidth}}function L(e){return e&&Array.isArray(e.Representation_asArray)&&e.Representation_asArray.sort((function(e,t){return e.bandwidth-t.bandwidth})),e}function x(e,t){return e&&e.Period_asArray&&R(t)&&e.Period_asArray[t]?e.Period_asArray[t].AdaptationSet_asArray:[]}function F(e){return e&&e.Period_asArray?e.Period_asArray:[]}function k(e){var t=!1;return e&&e.hasOwnProperty("type")&&(t=e.type===i.a.DYNAMIC),t}function U(e){return e&&e.EssentialProperty_asArray&&e.EssentialProperty_asArray.length?e.EssentialProperty_asArray.map((function(e){return{schemeIdUri:e.schemeIdUri,value:e.value}})):null}function B(e){if(!e||!e.S_asArray)return NaN;var t=e.S_asArray[0],n=e.S_asArray[1];return t.hasOwnProperty("d")?t.d:n.t-t.t}function G(e,t){if(!e)throw new Error("Period cannot be null or undefined");var n=l.DEFAULT_ID+"_"+t;return e.hasOwnProperty(i.a.ID)&&e.id.length>0&&"__proto__"!==e.id&&(n=e.id),n}function j(e,t,n){var a,o=[];if(!e)return o;for(a=0;a0&&R(e)?r[e]:null},getIndexForAdaptation:function(e,t,n){if(!e)return-1;for(var r=x(t,n),i=0;i0&&R(e)?n[e]:null},getCodec:function(e,t,n){var 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j=c.a.getClassFactory(G),Y=n(65),q=n(68);function H(e){e=e||{};var t,n,r,i=this.context,o=Object(u.a)(i).getInstance(),s=e.errHandler,c=e.mediaPlayerModel,h=e.dashMetrics,g=Object(f.a)(i).getInstance(),m=e.streamInfo;function E(){return m.id}function v(){for(var e in r)r[e].reset();r={}}function _(e){if(e.sender){var t=e.request,r=e.response,i=t.isInitializationRequest(),s=t.mediaInfo.streamInfo;if(e.error&&(t.mediaType===a.a.AUDIO||t.mediaType===a.a.VIDEO||t.mediaType===a.a.TEXT&&t.mediaInfo.isFragmented)&&o.trigger(l.a.SERVICE_LOCATION_BLACKLIST_ADD,{entry:e.request.serviceLocation}),r&&s){var u=function(e,t,n,r){var i=new Y.a;return 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n=[],r=Object(u.a)(this.context).getInstance(),i=e.updateEventName,a=e.addBlacklistEventName;function o(e){-1===n.indexOf(e)&&(n.push(e),r.trigger(i,{entry:e}))}function s(e){o(e.entry)}return t={add:o,contains:function(e){return!!(n.length&&e&&e.length)&&-1!==n.indexOf(e)},reset:function(){n=[]}},a&&r.on(a,s,t),t}$.__dashjs_factory_name="BlackListController";var J=c.a.getClassFactory($),ee=[a.a.VIDEO,a.a.AUDIO,a.a.TEXT,a.a.MUXED,a.a.IMAGE];function te(e){e=e||{};var t,n,r,i,s,c,d,h,g,p,E,v,_,T,b,S,A,I,R=this.context,w=Object(u.a)(R).getInstance(),N=Object(L.a)(R).getInstance(),C=e.manifestModel,D=e.mediaPlayerModel,O=e.dashMetrics,M=e.manifestUpdater,P=e.adapter,F=e.timelineConverter,k=e.capabilities,U=e.errHandler,B=e.abrController,G=e.playbackController,Y=e.eventController,q=e.mediaController,H=e.protectionController,K=e.textController,z=e.videoModel,W=e.streamInfo,X=e.settings;function Q(t,i){return new Promise((function(s,u){se(),p=!0,le();var 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Gap duration: ").concat(_)),s.seek(g,!0,b)}else{var S=s.getIsDynamic(),A=t>0?f.end(t-1):e,I=S?1e3*Math.max(0,_-.1):0;h=window.setTimeout((function(){s.seek(g,!0,!0),p.warn("Jumping gap occuring in period ".concat(c.getActiveStream().getStreamId()," starting at ").concat(A," and ending at ").concat(g,". 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Latency too high, doing a seek to live point"),t=!0,c.seekToCurrentLive(!0,!1);else{var d=c.getCurrentLiveLatency(),m=c.getLiveDelay();if(I()===a.a.LIVE_CATCHUP_MODE_LOLP){var y=i.get().streaming.liveCatchup.playbackBufferMin;e=function(e,t,n,r,i){var a;if(i0&&(u=1);return u}(s,d,m,u);var E=n?.25:.02/(.5/s.max);e&&Math.abs(o-e)>=E&&(p.debug("[CatchupController]: Setting playback rate to ".concat(e)),r.setPlaybackRate(e))}}}()}function A(){return c.getCurrentLiveLatency()-c.getLiveDelay()}function I(){var e=i.get().streaming.liveCatchup.playbackBufferMin;return i.get().streaming.liveCatchup.mode!==a.a.LIVE_CATCHUP_MODE_LOLP||null===e||isNaN(e)?a.a.LIVE_CATCHUP_MODE_DEFAULT:a.a.LIVE_CATCHUP_MODE_LOLP}function R(){h.getCatchupPlaybackRates(!0)}return e={reset:function(){y.off(d.a.BUFFER_LEVEL_UPDATED,_,e),y.off(d.a.BUFFER_LEVEL_STATE_CHANGED,T,e),y.off(d.a.PLAYBACK_PROGRESS,S,e),y.off(d.a.PLAYBACK_TIME_UPDATED,S,e),y.off(d.a.PLAYBACK_SEEKED,S,e),y.off(l.a.SETTING_UPDATED_CATCHUP_ENABLED,b,e),y.off(l.a.SETTING_UPDATED_PLAYBACK_RATE_MIN,R,e),y.off(l.a.SETTING_UPDATED_PLAYBACK_RATE_MAX,R,e),y.off(d.a.STREAM_INITIALIZED,R,e),E(),r.setPlaybackRate(1,!0)},setConfig:function(e){e&&(e.settings&&(i=e.settings),e.videoModel&&(r=e.videoModel),e.streamController&&(o=e.streamController),e.playbackController&&(c=e.playbackController),e.mediaPlayerModel&&(h=e.mediaPlayerModel))},initialize:function(){y.on(d.a.BUFFER_LEVEL_UPDATED,_,e),y.on(d.a.BUFFER_LEVEL_STATE_CHANGED,T,e),y.on(d.a.PLAYBACK_PROGRESS,S,e),y.on(d.a.PLAYBACK_TIME_UPDATED,S,e),y.on(d.a.PLAYBACK_SEEKED,v,e),y.on(l.a.SETTING_UPDATED_CATCHUP_ENABLED,b,e),y.on(l.a.SETTING_UPDATED_PLAYBACK_RATE_MIN,R,e),y.on(l.a.SETTING_UPDATED_PLAYBACK_RATE_MAX,R,e),y.on(d.a.STREAM_INITIALIZED,R,e),R()}},p=Object(f.a)(m).getInstance().getLogger(e),E(),e}Te.__dashjs_factory_name="CatchupController";var be=c.a.getSingletonFactory(Te),Se=[a.a.SERVICE_DESCRIPTION_DVB_LL_SCHEME],Ae="video",Ie="audio",Re="any",we="all";function Ne(){var e,t,n,r,i,s=this.context;function u(){t={liveDelay:NaN,liveCatchup:{maxDrift:NaN,playbackRate:{min:NaN,max:NaN}},minBitrate:{},maxBitrate:{},initialBitrate:{}},n=[]}function l(e,n,i){try{t[e][n]=i/1e3}catch(e){r.error(e)}}return e={getServiceDescriptionSettings:function(){return t},getProducerReferenceTimeOffsets:function(){return n},calculateProducerReferenceTimeOffsets:function(e){try{var t=[];if(e&&e.length>0){var s=[a.a.VIDEO,a.a.AUDIO,a.a.TEXT],u=i.getAvailabilityStartTime()/1e3;e.forEach((function(e){var n=s.reduce((function(t,n){return t=t.concat(i.getAllMediaInfoForType(e,n))}),[]).reduce((function(t,n){return i.getProducerReferenceTimes(e,n).forEach((function(r){var a=i.getVoRepresentations(n);if(a&&a.length>0&&a[0].adaptation&&a[0].segmentInfoType===o.a.SEGMENT_TEMPLATE){var s=a[0],l=new Date(r[o.a.WALL_CLOCK_TIME]).getTime()/1e3-(r[o.a.PRESENTATION_TIME]/s[o.a.TIMESCALE]-s[o.a.PRESENTATION_TIME_OFFSET]+e.start),c=u-l;t.push({id:r[o.a.ID],to:c})}})),t}),[]);t=t.concat(n)}))}n=t}catch(e){r.error(e),n=[]}},applyServiceDescription:function(e){if(e&&e.serviceDescriptions){var i=e.serviceDescriptions.filter((function(e){return Se.includes(e.schemeIdUri)})),o=e.serviceDescriptions.filter((function(e){return null==e.schemeIdUri})),s=i.length>0?i[i.length-1]:o[o.length-1];s&&(s.latency&&s.latency.target>0&&function(e){var i;i=e.schemeIdUri===a.a.SERVICE_DESCRIPTION_DVB_LL_SCHEME?function(e){var t=e.latency.target/1e3,n=!isNaN(e.latency.max)&&e.latency.max>e.latency.target?(e.latency.max-e.latency.target+500)/1e3:NaN,r=e.latency.referenceId||NaN;return{liveDelay:t,maxDrift:n,referenceId:r}}(e):function(e){var t=e.latency.target/1e3,n=!isNaN(e.latency.max)&&e.latency.max>e.latency.target?(e.latency.max-e.latency.target+500)/1e3:NaN,r=e.latency.referenceId||NaN;return{liveDelay:t,maxDrift:n,referenceId:r}}(e);if(n.length>0){var o=function(e){var t,r=0,i=n.filter((function(t){return t.id===e.referenceId}));0===i.length?(r=n.length>0?n[0].to:0,t=n[0].id||NaN):(r=i[0].to||0,t=i[0].id||NaN);return{to:r,id:t}}(i),s=o.to,u=o.id;t.liveDelay=i.liveDelay-s,t.liveCatchup.maxDrift=i.maxDrift,r.debug("\n Found latency properties coming from service description. Applied time offset of ".concat(s," from ProducerReferenceTime element with id ").concat(u,".\n Live Delay: ").concat(i.liveDelay-s,", Live catchup max drift: ").concat(i.maxDrift,"\n "))}else t.liveDelay=i.liveDelay,t.liveCatchup.maxDrift=i.maxDrift,r.debug("Found latency properties coming from service description: Live Delay: ".concat(i.liveDelay,", Live catchup max drift: ").concat(i.maxDrift))}(s),s.playbackRate&&function(e){var n=e.playbackRate.min?Math.round(1e3*(e.playbackRate.min-1))/1e3:NaN,i=e.playbackRate.max?Math.round(1e3*(e.playbackRate.max-1))/1e3:NaN;t.liveCatchup.playbackRate.min=n,t.liveCatchup.playbackRate.max=i,r.debug("Found latency properties coming from service description: Live catchup min playback rate: ".concat(n)),r.debug("Found latency properties coming from service description: Live catchup max playback rate: 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TypeError("Cannot call a class as a function")}(this,e),this.url=t||null,this.type=v.a.CONTENT_STEERING_TYPE,this.responseType="json"};var Me=function e(){!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,e),this.version=null,this.ttl=300,this.reloadUri=null,this.serviceLocationPriority=[]},Pe="_DASH_throughput",Le="_DASH_pathway",xe="url";function Fe(){var e,t,n,r,i,s,u,c,h,g,p,m,E,v,_,T=this.context,b=Object(L.a)(T).getInstance();function S(e){e&&e.toStreamInfo&&(r=e.toStreamInfo)}function A(e){e&&e.request&&e.request.serviceLocation&&(i=e.request.serviceLocation)}function I(){var e=p.getValue();return _.getContentSteering(e)}function R(){return new Promise((function(e){try{var s=I();if(!s||!s.serverUrl)return void e();var l=function(e){var t=e.proxyServerUrl?e.proxyServerUrl:e.serverUrl;n&&n.reloadUri&&(t=b.isRelative(n.reloadUri)?b.resolve(n.reloadUri,e.serverUrl):n.reloadUri);var o=[];if(r){var 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d(e,r){if(!r||!r.Period_asArray||0===r.Period_asArray.length)return Promise.resolve();var i=[];return r.Period_asArray.forEach((function(r){i.push(function(e,r){return new Promise((function(i){if(e&&e.AdaptationSet_asArray&&0!==e.AdaptationSet_asArray.length){var s=[];e.AdaptationSet_asArray.forEach((function(e){t.getIsTypeOf(e,r)&&s.push(function(e,r){return new Promise((function(i){if(e.Representation_asArray&&0!==e.Representation_asArray.length){var s=[],u=[];e.Representation_asArray.forEach((function(i,o){var l=t.getCodec(e,o,!1),c=function(e,t,n){switch(e){case a.a.VIDEO:return function(e,t){var n=e.width||null,r=e.height||null,i=e.frameRate||null,a=e.bandwidth||null;return{codec:t,width:n,height:r,framerate:i,bitrate:a}}(t,n);case a.a.AUDIO:return function(e,t){var n=e.audioSamplingRate||null,r=e.bandwidth||null;return{codec:t,bitrate:r,samplerate:n}}(t,n);default:return null}}(r,i,l);u.push(c),s.push(n.supportsCodec(c,r))})),Promise.all(s).then((function(t){e.Representation_asArray=e.Representation_asArray.filter((function(e,n){return t[n]||o.debug("[Stream] Codec ".concat(u[n].codec," not supported ")),t[n]})),i()})).catch((function(){i()}))}else i()}))}(e,r))})),Promise.all(s).then((function(){e.AdaptationSet_asArray=e.AdaptationSet_asArray.filter((function(e){var t=e.Representation_asArray&&e.Representation_asArray.length>0;return t||(c.trigger(l.a.ADAPTATION_SET_REMOVED_NO_CAPABILITIES,{adaptationSet:e}),o.warn("AdaptationSet has been removed because of no supported Representation")),t})),i()})).catch((function(){i()}))}else i()}))}(r,e))})),Promise.all(i)}return e={setConfig:function(e){e&&(e.adapter&&(t=e.adapter),e.capabilities&&(n=e.capabilities),e.settings&&(r=e.settings),e.customParametersModel&&(i=e.customParametersModel))},filterUnsupportedFeatures:function(e){return new Promise((function(s){var 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t=i.getCustomCapabilitiesFilters();if(!t||0===t.length||!e||!e.Period_asArray||0===e.Period_asArray.length)return;e.Period_asArray.forEach((function(e){e.AdaptationSet_asArray=e.AdaptationSet_asArray.filter((function(e){return!e.Representation_asArray||0===e.Representation_asArray.length||(e.Representation_asArray=e.Representation_asArray.filter((function(e){return!t.some((function(t){return!t(e)}))})),e.Representation_asArray&&e.Representation_asArray.length>0)}))}))}(e),s()})).catch((function(){s()}))}))}},o=Object(f.a)(s).getInstance().getLogger(e),e}St.__dashjs_factory_name="CapabilitiesFilter";var At=c.a.getSingletonFactory(St);var It=function e(){!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,e),this.t=null,this.xywh=null,this.track=null,this.id=null,this.s=null,this.r=null};function Rt(){var e;return{initialize:function(t){if(e=new It,!t)return null;var n=t.indexOf("#");if(-1!==n)for(var 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i=n.liveCatchup.playbackRate;return{min:o(i.min,e),max:s(i.max,e)}}return{min:-.5,max:.5}},getAbrBitrateParameter:function(e,t){try{var n=a.get().streaming.abr[e][t];if(!isNaN(n)&&-1!==n)return n;var i=r.getServiceDescriptionSettings();return i&&i[e]&&!isNaN(i[e][t])?i[e][t]:-1}catch(e){return-1}},setConfig:function(e){e.playbackController&&(n=e.playbackController),e.serviceDescriptionController&&(r=e.serviceDescriptionController)},reset:function(){}},t=Object(f.a)(i).getInstance().getLogger(e),e}Dt.__dashjs_factory_name="MediaPlayerModel";var Ot=c.a.getSingletonFactory(Dt),Mt=n(27);function Pt(e){var t=(e=e||{}).abrController,n=e.switchHistory,r=e.droppedFramesHistory,i=e.currentRequest,a=e.useBufferOccupancyABR,o=e.useL2AABR,s=e.useLoLPABR,u=e.streamProcessor?e.streamProcessor.getScheduleController():null,l=e.streamProcessor?e.streamProcessor.getRepresentationInfo():null,c=e.videoModel?e.videoModel:null;function f(){return l?l.mediaInfo:null}return{getMediaType:function(){var 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r=t.messageType?t.messageType:"license-request",o=t.message,s=t.sessionToken,u=G(f),l=S.getLicenseServerModelInstance(f,u,r),c={sessionToken:s,messageType:r};if(o&&0!==o.byteLength){if(!l)return n.debug("DRM: License server request not required for this message (type = "+e.data.messageType+"). 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Response is "+a,o))}function Q(e,t){return e?e.reduce((function(e,n){return e.then((function(){return n(t)}))}),Promise.resolve()):Promise.resolve()}function Z(e,t){if(!M.get().streaming.protection.ignoreEmeEncryptedEvent){if(n.debug("DRM: onNeedKey"),"cenc"!==e.key.initDataType)return void n.warn("DRM: Only 'cenc' initData is supported! 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SessionID = "+r.getSessionId()),c.trigger(f.KEY_SESSION_CLOSED,{data:r.getSessionId()})})),o.push(r),r}return t={getAllInitData:function(){for(var e=[],t=0;t=1?t():(e=t.bind(this),r.addEventListener("loadedmetadata",e))}return t={getAllInitData:function(){for(var e=[],t=0;t0&&(t=o.ksConfiguration.videoCapabilities[0]),null===t&&o.ksConfiguration.audioCapabilities&&o.ksConfiguration.audioCapabilities.length>0&&(t=o.ksConfiguration.audioCapabilities[0]),null===t)throw new Error("Can not create sessions for unknown content types.");var r=t.contentType,s=a.createSession(r,new Uint8Array(e.initData),e.cdmData?new Uint8Array(e.cdmData):null),l=function(e,t){return{session:e,keyId:t.keyId,initData:t.initData,getKeyId:function(){return this.keyId},getSessionId:function(){return this.session.sessionId},getExpirationTime:function(){return NaN},getSessionType:function(){return"temporary"},handleEvent:function(e){switch(e.type){case y.error:d.trigger(p.KEY_ERROR,{error:new g.a(h.MEDIA_KEYERR_CODE,"KeyError",this)});break;case y.message:var t=ArrayBuffer.isView(e.message)?e.message.buffer:e.message;d.trigger(p.INTERNAL_KEY_MESSAGE,{data:new ae(this,t,e.destinationURL)});break;case y.ready:n.debug("DRM: Key added."),d.trigger(p.KEY_ADDED);break;case y.close:n.debug("DRM: Session closed. SessionID = "+this.getSessionId()),d.trigger(p.KEY_SESSION_CLOSED,{data:this.getSessionId()})}}}}(s,e);s.addEventListener(y.error,l),s.addEventListener(y.message,l),s.addEventListener(y.ready,l),s.addEventListener(y.close,l),u.push(l),n.debug("DRM: Session created. SessionID = "+l.getSessionId()),d.trigger(p.KEY_SESSION_CREATED,{data:l})},updateKeySession:function(e,t){var n=e.session;c.isClearKey(i)?n.update(new Uint8Array(t.toJWK())):n.update(new Uint8Array(t)),d.trigger(p.KEY_SESSION_UPDATED)},closeKeySession:v,setServerCertificate:function(){},loadKeySession:function(){},removeKeySession:function(){},stop:E,reset:E},n=m.getLogger(t),r=null,i=null,a=null,o=null,u=[],c=Z(f).getInstance(),l={handleEvent:function(e){switch(e.type){case y.needkey:if(e.initData){var t=ArrayBuffer.isView(e.initData)?e.initData.buffer:e.initData;d.trigger(p.NEED_KEY,{key:new ie(t,"cenc")})}}}},t}ce.__dashjs_factory_name="ProtectionModel_3Feb2014";var fe=dashjs.FactoryMaker.getClassFactory(ce);function de(e){e=e||{};var t,n,r,i,a,o,u,l,c,f=this.context,d=e.eventBus,p=e.events,m=e.debug,y=e.api,E=e.errHandler;function v(){r&&b();for(var e=0;e0&&(t=o.shift(),u.push(t),t.sessionId=e.sessionId,d.trigger(p.KEY_SESSION_CREATED,{data:t})):o.length>0&&(t=o.shift(),u.push(t),0!==o.length&&E.error(new g.a(h.MEDIA_KEY_MESSAGE_ERROR_CODE,h.MEDIA_KEY_MESSAGE_ERROR_MESSAGE))),t){var s=ArrayBuffer.isView(e.message)?e.message.buffer:e.message;t.keyMessage=s,d.trigger(p.INTERNAL_KEY_MESSAGE,{data:new ae(t,s,e.defaultURL)})}else n.warn("No session token found for key message")}}},t}de.__dashjs_factory_name="ProtectionModel_01b";var 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