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(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.Flashphoner = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){ },{}],2:[function(require,module,exports){ 'use strict'; function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; } /** * KalmanFilter * @class * @author Wouter Bulten * @see {@link http://github.com/wouterbulten/kalmanjs} * @version Version: 1.0.0-beta * @copyright Copyright 2015-2018 Wouter Bulten * @license MIT License * @preserve */ var KalmanFilter = /*#__PURE__*/function () { /** * Create 1-dimensional kalman filter * @param {Number} options.R Process noise * @param {Number} options.Q Measurement noise * @param {Number} options.A State vector * @param {Number} options.B Control vector * @param {Number} options.C Measurement vector * @return {KalmanFilter} */ function KalmanFilter() { var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}, _ref$R = _ref.R, R = _ref$R === void 0 ? 1 : _ref$R, _ref$Q = _ref.Q, Q = _ref$Q === void 0 ? 1 : _ref$Q, _ref$A = _ref.A, A = _ref$A === void 0 ? 1 : _ref$A, _ref$B = _ref.B, B = _ref$B === void 0 ? 0 : _ref$B, _ref$C = _ref.C, C = _ref$C === void 0 ? 1 : _ref$C; _classCallCheck(this, KalmanFilter); this.R = R; // noise power desirable this.Q = Q; // noise power estimated this.A = A; this.C = C; this.B = B; this.cov = NaN; this.x = NaN; // estimated signal without noise } /** * Filter a new value * @param {Number} z Measurement * @param {Number} u Control * @return {Number} */ _createClass(KalmanFilter, [{ key: "filter", value: function filter(z) { var u = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0; if (isNaN(this.x)) { this.x = 1 / this.C * z; this.cov = 1 / this.C * this.Q * (1 / this.C); } else { // Compute prediction var predX = this.predict(u); var predCov = this.uncertainty(); // Kalman gain var K = predCov * this.C * (1 / (this.C * predCov * this.C + this.Q)); // Correction this.x = predX + K * (z - this.C * predX); this.cov = predCov - K * this.C * predCov; } return this.x; } /** * Predict next value * @param {Number} [u] Control * @return {Number} */ }, { key: "predict", value: function predict() { var u = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0; return this.A * this.x + this.B * u; } /** * Return uncertainty of filter * @return {Number} */ }, { key: "uncertainty", value: function uncertainty() { return this.A * this.cov * this.A + this.R; } /** * Return the last filtered measurement * @return {Number} */ }, { key: "lastMeasurement", value: function lastMeasurement() { return this.x; } /** * Set measurement noise Q * @param {Number} noise */ }, { key: "setMeasurementNoise", value: function setMeasurementNoise(noise) { this.Q = noise; } /** * Set the process noise R * @param {Number} noise */ }, { key: "setProcessNoise", value: function setProcessNoise(noise) { this.R = noise; } }]); return KalmanFilter; }(); module.exports = KalmanFilter; },{}],3:[function(require,module,exports){ // shim for using process in browser var process = module.exports = {}; // cached from whatever global is present so that test runners that stub it // don't break things. But we need to wrap it in a try catch in case it is // wrapped in strict mode code which doesn't define any globals. It's inside a // function because try/catches deoptimize in certain engines. var cachedSetTimeout; var cachedClearTimeout; function defaultSetTimout() { throw new Error('setTimeout has not been defined'); } function defaultClearTimeout() { throw new Error('clearTimeout has not been defined'); } (function () { try { if (typeof setTimeout === 'function') { cachedSetTimeout = setTimeout; } else { cachedSetTimeout = defaultSetTimout; } } catch (e) { cachedSetTimeout = defaultSetTimout; } try { if (typeof clearTimeout === 'function') { cachedClearTimeout = clearTimeout; } else { cachedClearTimeout = defaultClearTimeout; } } catch (e) { cachedClearTimeout = defaultClearTimeout; } })(); function runTimeout(fun) { if (cachedSetTimeout === setTimeout) { //normal enviroments in sane situations return setTimeout(fun, 0); } // if setTimeout wasn't available but was latter defined if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) { cachedSetTimeout = setTimeout; return setTimeout(fun, 0); } try { // when when somebody has screwed with setTimeout but no I.E. maddness return cachedSetTimeout(fun, 0); } catch (e) { try { // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally return cachedSetTimeout.call(null, fun, 0); } catch (e) { // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error return cachedSetTimeout.call(this, fun, 0); } } } function runClearTimeout(marker) { if (cachedClearTimeout === clearTimeout) { //normal enviroments in sane situations return clearTimeout(marker); } // if clearTimeout wasn't available but was latter defined if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) { cachedClearTimeout = clearTimeout; return clearTimeout(marker); } try { // when when somebody has screwed with setTimeout but no I.E. maddness return cachedClearTimeout(marker); } catch (e) { try { // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally return cachedClearTimeout.call(null, marker); } catch (e) { // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error. // Some versions of I.E. have different rules for clearTimeout vs setTimeout return cachedClearTimeout.call(this, marker); } } } var queue = []; var draining = false; var currentQueue; var queueIndex = -1; function cleanUpNextTick() { if (!draining || !currentQueue) { return; } draining = false; if (currentQueue.length) { queue = currentQueue.concat(queue); } else { queueIndex = -1; } if (queue.length) { drainQueue(); } } function drainQueue() { if (draining) { return; } var timeout = runTimeout(cleanUpNextTick); draining = true; var len = queue.length; while (len) { currentQueue = queue; queue = []; while (++queueIndex < len) { if (currentQueue) { currentQueue[queueIndex].run(); } } queueIndex = -1; len = queue.length; } currentQueue = null; draining = false; runClearTimeout(timeout); } process.nextTick = function (fun) { var args = new Array(arguments.length - 1); if (arguments.length > 1) { for (var i = 1; i < arguments.length; i++) { args[i - 1] = arguments[i]; } } queue.push(new Item(fun, args)); if (queue.length === 1 && !draining) { runTimeout(drainQueue); } }; // v8 likes predictible objects function Item(fun, array) { this.fun = fun; this.array = array; } Item.prototype.run = function () { this.fun.apply(null, this.array); }; process.title = 'browser'; process.browser = true; process.env = {}; process.argv = []; process.version = ''; // empty string to avoid regexp issues process.versions = {}; function noop() {} process.on = noop; process.addListener = noop; process.once = noop; process.off = noop; process.removeListener = noop; process.removeAllListeners = noop; process.emit = noop; process.prependListener = noop; process.prependOnceListener = noop; process.listeners = function (name) { return []; }; process.binding = function (name) { throw new Error('process.binding is not supported'); }; process.cwd = function () { return '/'; }; process.chdir = function (dir) { throw new Error('process.chdir is not supported'); }; process.umask = function () { return 0; }; },{}],4:[function(require,module,exports){ (function (setImmediate){(function (){ function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } (function (root) { // Store setTimeout reference so promise-polyfill will be unaffected by // other code modifying setTimeout (like sinon.useFakeTimers()) var setTimeoutFunc = setTimeout; function noop() {} // Polyfill for Function.prototype.bind function bind(fn, thisArg) { return function () { fn.apply(thisArg, arguments); }; } function Promise(fn) { if (!(this instanceof Promise)) throw new TypeError('Promises must be constructed via new'); if (typeof fn !== 'function') throw new TypeError('not a function'); this._state = 0; this._handled = false; this._value = undefined; this._deferreds = []; doResolve(fn, this); } function handle(self, deferred) { while (self._state === 3) { self = self._value; } if (self._state === 0) { self._deferreds.push(deferred); return; } self._handled = true; Promise._immediateFn(function () { var cb = self._state === 1 ? deferred.onFulfilled : deferred.onRejected; if (cb === null) { (self._state === 1 ? resolve : reject)(deferred.promise, self._value); return; } var ret; try { ret = cb(self._value); } catch (e) { reject(deferred.promise, e); return; } resolve(deferred.promise, ret); }); } function resolve(self, newValue) { try { // Promise Resolution Procedure: https://github.com/promises-aplus/promises-spec#the-promise-resolution-procedure if (newValue === self) throw new TypeError('A promise cannot be resolved with itself.'); if (newValue && (_typeof(newValue) === 'object' || typeof newValue === 'function')) { var then = newValue.then; if (newValue instanceof Promise) { self._state = 3; self._value = newValue; finale(self); return; } else if (typeof then === 'function') { doResolve(bind(then, newValue), self); return; } } self._state = 1; self._value = newValue; finale(self); } catch (e) { reject(self, e); } } function reject(self, newValue) { self._state = 2; self._value = newValue; finale(self); } function finale(self) { if (self._state === 2 && self._deferreds.length === 0) { Promise._immediateFn(function () { if (!self._handled) { Promise._unhandledRejectionFn(self._value); } }); } for (var i = 0, len = self._deferreds.length; i < len; i++) { handle(self, self._deferreds[i]); } self._deferreds = null; } function Handler(onFulfilled, onRejected, promise) { this.onFulfilled = typeof onFulfilled === 'function' ? onFulfilled : null; this.onRejected = typeof onRejected === 'function' ? onRejected : null; this.promise = promise; } /** * Take a potentially misbehaving resolver function and make sure * onFulfilled and onRejected are only called once. * * Makes no guarantees about asynchrony. */ function doResolve(fn, self) { var done = false; try { fn(function (value) { if (done) return; done = true; resolve(self, value); }, function (reason) { if (done) return; done = true; reject(self, reason); }); } catch (ex) { if (done) return; done = true; reject(self, ex); } } Promise.prototype['catch'] = function (onRejected) { return this.then(null, onRejected); }; Promise.prototype.then = function (onFulfilled, onRejected) { var prom = new this.constructor(noop); handle(this, new Handler(onFulfilled, onRejected, prom)); return prom; }; Promise.all = function (arr) { return new Promise(function (resolve, reject) { if (!arr || typeof arr.length === 'undefined') throw new TypeError('Promise.all accepts an array'); var args = Array.prototype.slice.call(arr); if (args.length === 0) return resolve([]); var remaining = args.length; function res(i, val) { try { if (val && (_typeof(val) === 'object' || typeof val === 'function')) { var then = val.then; if (typeof then === 'function') { then.call(val, function (val) { res(i, val); }, reject); return; } } args[i] = val; if (--remaining === 0) { resolve(args); } } catch (ex) { reject(ex); } } for (var i = 0; i < args.length; i++) { res(i, args[i]); } }); }; Promise.resolve = function (value) { if (value && _typeof(value) === 'object' && value.constructor === Promise) { return value; } return new Promise(function (resolve) { resolve(value); }); }; Promise.reject = function (value) { return new Promise(function (resolve, reject) { reject(value); }); }; Promise.race = function (values) { return new Promise(function (resolve, reject) { for (var i = 0, len = values.length; i < len; i++) { values[i].then(resolve, reject); } }); }; // Use polyfill for setImmediate for performance gains Promise._immediateFn = typeof setImmediate === 'function' && function (fn) { setImmediate(fn); } || function (fn) { setTimeoutFunc(fn, 0); }; Promise._unhandledRejectionFn = function _unhandledRejectionFn(err) { if (typeof console !== 'undefined' && console) { console.warn('Possible Unhandled Promise Rejection:', err); // eslint-disable-line no-console } }; /** * Set the immediate function to execute callbacks * @param fn {function} Function to execute * @deprecated */ Promise._setImmediateFn = function _setImmediateFn(fn) { Promise._immediateFn = fn; }; /** * Change the function to execute on unhandled rejection * @param {function} fn Function to execute on unhandled rejection * @deprecated */ Promise._setUnhandledRejectionFn = function _setUnhandledRejectionFn(fn) { Promise._unhandledRejectionFn = fn; }; if (typeof module !== 'undefined' && module.exports) { module.exports = Promise; } else if (!root.Promise) { root.Promise = Promise; } })(this); }).call(this)}).call(this,require("timers").setImmediate) },{"timers":7}],5:[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 findCodecByPayloadType(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 rtxCapabilityMatches(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 RTCPeerConnection(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 get() { return this._localDescription; } }); Object.defineProperty(RTCPeerConnection.prototype, 'remoteDescription', { configurable: true, get: function get() { 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 get() { return remoteMsid.stream; } }); } Object.defineProperty(track, 'id', { get: function get() { 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":6}],6:[function(require,module,exports){ /* eslint-env node */ 'use strict'; // SDP helpers. function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } var SDPUtils = {}; // Generate an alphanumeric identifier for cname or mids. // TODO: use UUIDs instead? https://gist.github.com/jed/982883 SDPUtils.generateIdentifier = function () { return Math.random().toString(36).substr(2, 10); }; // The RTCP CNAME used by all peerconnections from the same JS. SDPUtils.localCName = SDPUtils.generateIdentifier(); // Splits SDP into lines, dealing with both CRLF and LF. SDPUtils.splitLines = function (blob) { return blob.trim().split('\n').map(function (line) { return line.trim(); }); }; // Splits SDP into sessionpart and mediasections. Ensures CRLF. SDPUtils.splitSections = function (blob) { var parts = blob.split('\nm='); return parts.map(function (part, index) { return (index > 0 ? 'm=' + part : part).trim() + '\r\n'; }); }; // returns the session description. SDPUtils.getDescription = function (blob) { var sections = SDPUtils.splitSections(blob); return sections && sections[0]; }; // returns the individual media sections. SDPUtils.getMediaSections = function (blob) { var sections = SDPUtils.splitSections(blob); sections.shift(); return sections; }; // Returns lines that start with a certain prefix. SDPUtils.matchPrefix = function (blob, prefix) { return SDPUtils.splitLines(blob).filter(function (line) { return line.indexOf(prefix) === 0; }); }; // Parses an ICE candidate line. Sample input: // candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8 // rport 55996" 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:<pt> is considered. codec.parameters = fmtps.length ? SDPUtils.parseFmtp(fmtps[0]) : {}; codec.rtcpFeedback = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-fb:' + pt + ' ').map(SDPUtils.parseRtcpFb); description.codecs.push(codec); // parse FEC mechanisms from rtpmap lines. switch (codec.name.toUpperCase()) { case 'RED': case 'ULPFEC': description.fecMechanisms.push(codec.name.toUpperCase()); break; default: // only RED and ULPFEC are recognized as FEC mechanisms. break; } } } SDPUtils.matchPrefix(mediaSection, 'a=extmap:').forEach(function (line) { description.headerExtensions.push(SDPUtils.parseExtmap(line)); }); // FIXME: parse rtcp. return description; }; // Generates parts of the SDP media section describing the capabilities / // parameters. SDPUtils.writeRtpDescription = function (kind, caps) { var sdp = ''; // Build the mline. sdp += 'm=' + kind + ' '; sdp += caps.codecs.length > 0 ? '9' : '0'; // reject if no codecs. sdp += ' UDP/TLS/RTP/SAVPF '; sdp += caps.codecs.map(function (codec) { if (codec.preferredPayloadType !== undefined) { return codec.preferredPayloadType; } return codec.payloadType; }).join(' ') + '\r\n'; sdp += 'c=IN IP4 0.0.0.0\r\n'; sdp += 'a=rtcp:9 IN IP4 0.0.0.0\r\n'; // Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb. caps.codecs.forEach(function (codec) { sdp += SDPUtils.writeRtpMap(codec); sdp += SDPUtils.writeFmtp(codec); sdp += SDPUtils.writeRtcpFb(codec); }); var maxptime = 0; caps.codecs.forEach(function (codec) { if (codec.maxptime > maxptime) { maxptime = codec.maxptime; } }); if (maxptime > 0) { sdp += 'a=maxptime:' + maxptime + '\r\n'; } 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 === "undefined" ? "undefined" : _typeof(module)) === 'object') { module.exports = SDPUtils; } },{}],7:[function(require,module,exports){ (function (setImmediate,clearImmediate){(function (){ var nextTick = require('process/browser.js').nextTick; var apply = Function.prototype.apply; var slice = Array.prototype.slice; var immediateIds = {}; var nextImmediateId = 0; // DOM APIs, for completeness exports.setTimeout = function () { return new Timeout(apply.call(setTimeout, window, arguments), clearTimeout); }; exports.setInterval = function () { return new Timeout(apply.call(setInterval, window, arguments), clearInterval); }; exports.clearTimeout = exports.clearInterval = function (timeout) { timeout.close(); }; function Timeout(id, clearFn) { this._id = id; this._clearFn = clearFn; } Timeout.prototype.unref = Timeout.prototype.ref = function () {}; Timeout.prototype.close = function () { this._clearFn.call(window, this._id); }; // Does not start the time, just sets up the members needed. exports.enroll = function (item, msecs) { clearTimeout(item._idleTimeoutId); item._idleTimeout = msecs; }; exports.unenroll = function (item) { clearTimeout(item._idleTimeoutId); item._idleTimeout = -1; }; exports._unrefActive = exports.active = function (item) { clearTimeout(item._idleTimeoutId); var msecs = item._idleTimeout; if (msecs >= 0) { item._idleTimeoutId = setTimeout(function onTimeout() { if (item._onTimeout) item._onTimeout(); }, msecs); } }; // That's not how node.js implements it but the exposed api is the same. exports.setImmediate = typeof setImmediate === "function" ? setImmediate : function (fn) { var id = nextImmediateId++; var args = arguments.length < 2 ? false : slice.call(arguments, 1); immediateIds[id] = true; nextTick(function onNextTick() { if (immediateIds[id]) { // fn.call() is faster so we optimize for the common use-case // @see http://jsperf.com/call-apply-segu if (args) { fn.apply(null, args); } else { fn.call(null); } // Prevent ids from leaking exports.clearImmediate(id); } }); return id; }; exports.clearImmediate = typeof clearImmediate === "function" ? clearImmediate : function (id) { delete immediateIds[id]; }; }).call(this)}).call(this,require("timers").setImmediate,require("timers").clearImmediate) },{"process/browser.js":3,"timers":7}],8:[function(require,module,exports){ /** * Convert array of 16 byte values to UUID string format of the form: * XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX */ var byteToHex = []; for (var i = 0; i < 256; ++i) { byteToHex[i] = (i + 0x100).toString(16).substr(1); } function bytesToUuid(buf, offset) { var i = offset || 0; var bth = byteToHex; // join used to fix memory issue caused by concatenation: https://bugs.chromium.org/p/v8/issues/detail?id=3175#c4 return [bth[buf[i++]], bth[buf[i++]], bth[buf[i++]], bth[buf[i++]], '-', bth[buf[i++]], bth[buf[i++]], '-', bth[buf[i++]], bth[buf[i++]], '-', bth[buf[i++]], bth[buf[i++]], '-', bth[buf[i++]], bth[buf[i++]], bth[buf[i++]], bth[buf[i++]], bth[buf[i++]], bth[buf[i++]]].join(''); } module.exports = bytesToUuid; },{}],9:[function(require,module,exports){ // Unique ID creation requires a high quality random # generator. In the // browser this is a little complicated due to unknown quality of Math.random() // and inconsistent support for the `crypto` API. We do the best we can via // feature-detection // getRandomValues needs to be invoked in a context where "this" is a Crypto // implementation. Also, find the complete implementation of crypto on IE11. var getRandomValues = typeof crypto != 'undefined' && crypto.getRandomValues && crypto.getRandomValues.bind(crypto) || typeof msCrypto != 'undefined' && typeof window.msCrypto.getRandomValues == 'function' && msCrypto.getRandomValues.bind(msCrypto); if (getRandomValues) { // WHATWG crypto RNG - http://wiki.whatwg.org/wiki/Crypto var rnds8 = new Uint8Array(16); // eslint-disable-line no-undef module.exports = function whatwgRNG() { getRandomValues(rnds8); return rnds8; }; } else { // Math.random()-based (RNG) // // If all else fails, use Math.random(). It's fast, but is of unspecified // quality. var rnds = new Array(16); module.exports = function mathRNG() { for (var i = 0, r; i < 16; i++) { if ((i & 0x03) === 0) r = Math.random() * 0x100000000; rnds[i] = r >>> ((i & 0x03) << 3) & 0xff; } return rnds; }; } },{}],10:[function(require,module,exports){ var rng = require('./lib/rng'); var bytesToUuid = require('./lib/bytesToUuid'); // **`v1()` - Generate time-based UUID** // // Inspired by https://github.com/LiosK/UUID.js // and http://docs.python.org/library/uuid.html var _nodeId; var _clockseq; // Previous uuid creation time var _lastMSecs = 0; var _lastNSecs = 0; // See https://github.com/uuidjs/uuid for API details function v1(options, buf, offset) { var i = buf && offset || 0; var b = buf || []; options = options || {}; var node = options.node || _nodeId; var clockseq = options.clockseq !== undefined ? options.clockseq : _clockseq; // node and clockseq need to be initialized to random values if they're not // specified. We do this lazily to minimize issues related to insufficient // system entropy. See #189 if (node == null || clockseq == null) { var seedBytes = rng(); if (node == null) { // Per 4.5, create and 48-bit node id, (47 random bits + multicast bit = 1) node = _nodeId = [seedBytes[0] | 0x01, seedBytes[1], seedBytes[2], seedBytes[3], seedBytes[4], seedBytes[5]]; } if (clockseq == null) { // Per 4.2.2, randomize (14 bit) clockseq clockseq = _clockseq = (seedBytes[6] << 8 | seedBytes[7]) & 0x3fff; } } // UUID timestamps are 100 nano-second units since the Gregorian epoch, // (1582-10-15 00:00). JSNumbers aren't precise enough for this, so // time is handled internally as 'msecs' (integer milliseconds) and 'nsecs' // (100-nanoseconds offset from msecs) since unix epoch, 1970-01-01 00:00. var msecs = options.msecs !== undefined ? options.msecs : new Date().getTime(); // Per 4.2.1.2, use count of uuid's generated during the current clock // cycle to simulate higher resolution clock var nsecs = options.nsecs !== undefined ? options.nsecs : _lastNSecs + 1; // Time since last uuid creation (in msecs) var dt = msecs - _lastMSecs + (nsecs - _lastNSecs) / 10000; // Per 4.2.1.2, Bump clockseq on clock regression if (dt < 0 && options.clockseq === undefined) { clockseq = clockseq + 1 & 0x3fff; } // Reset nsecs if clock regresses (new clockseq) or we've moved onto a new // time interval if ((dt < 0 || msecs > _lastMSecs) && options.nsecs === undefined) { nsecs = 0; } // Per 4.2.1.2 Throw error if too many uuids are requested if (nsecs >= 10000) { throw new Error('uuid.v1(): Can\'t create more than 10M uuids/sec'); } _lastMSecs = msecs; _lastNSecs = nsecs; _clockseq = clockseq; // Per 4.1.4 - Convert from unix epoch to Gregorian epoch msecs += 12219292800000; // `time_low` var tl = ((msecs & 0xfffffff) * 10000 + nsecs) % 0x100000000; b[i++] = tl >>> 24 & 0xff; b[i++] = tl >>> 16 & 0xff; b[i++] = tl >>> 8 & 0xff; b[i++] = tl & 0xff; // `time_mid` var tmh = msecs / 0x100000000 * 10000 & 0xfffffff; b[i++] = tmh >>> 8 & 0xff; b[i++] = tmh & 0xff; // `time_high_and_version` b[i++] = tmh >>> 24 & 0xf | 0x10; // include version b[i++] = tmh >>> 16 & 0xff; // `clock_seq_hi_and_reserved` (Per 4.2.2 - include variant) b[i++] = clockseq >>> 8 | 0x80; // `clock_seq_low` b[i++] = clockseq & 0xff; // `node` for (var n = 0; n < 6; ++n) { b[i + n] = node[n]; } return buf ? buf : bytesToUuid(b); } module.exports = v1; },{"./lib/bytesToUuid":8,"./lib/rng":9}],11:[function(require,module,exports){ /* * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. */ /* eslint-env node */ 'use strict'; Object.defineProperty(exports, "__esModule", { value: true }); var _adapter_factory = require('./adapter_factory.js'); var adapter = (0, _adapter_factory.adapterFactory)({ window: typeof window === 'undefined' ? undefined : window }); exports["default"] = adapter; },{"./adapter_factory.js":12}],12:[function(require,module,exports){ 'use strict'; Object.defineProperty(exports, "__esModule", { value: true }); exports.adapterFactory = adapterFactory; var _utils = require('./utils'); var utils = _interopRequireWildcard(_utils); var _chrome_shim = require('./chrome/chrome_shim'); var chromeShim = _interopRequireWildcard(_chrome_shim); var _edge_shim = require('./edge/edge_shim'); var edgeShim = _interopRequireWildcard(_edge_shim); var _firefox_shim = require('./firefox/firefox_shim'); var firefoxShim = _interopRequireWildcard(_firefox_shim); var _safari_shim = require('./safari/safari_shim'); var safariShim = _interopRequireWildcard(_safari_shim); var _common_shim = require('./common_shim'); var commonShim = _interopRequireWildcard(_common_shim); function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj["default"] = obj; return newObj; } } // Shimming starts here. /* * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. */ function adapterFactory() { var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}, window = _ref.window; var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : { shimChrome: true, shimFirefox: true, 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; } if (browserDetails.version === null) { logging('Chrome shim can not determine version, not shimming.'); return adapter; } logging('adapter.js shimming chrome.'); // Export to the adapter global object visible in the browser. adapter.browserShim = chromeShim; // Must be called before shimPeerConnection. commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails); chromeShim.shimGetUserMedia(window, browserDetails); chromeShim.shimMediaStream(window, browserDetails); chromeShim.shimPeerConnection(window, browserDetails); chromeShim.shimOnTrack(window, browserDetails); chromeShim.shimAddTrackRemoveTrack(window, browserDetails); chromeShim.shimGetSendersWithDtmf(window, browserDetails); chromeShim.shimGetStats(window, browserDetails); chromeShim.shimSenderReceiverGetStats(window, browserDetails); chromeShim.fixNegotiationNeeded(window, browserDetails); commonShim.shimRTCIceCandidate(window, browserDetails); commonShim.shimConnectionState(window, browserDetails); commonShim.shimMaxMessageSize(window, browserDetails); commonShim.shimSendThrowTypeError(window, browserDetails); commonShim.removeExtmapAllowMixed(window, browserDetails); break; case 'firefox': if (!firefoxShim || !firefoxShim.shimPeerConnection || !options.shimFirefox) { logging('Firefox shim is not included in this adapter release.'); return adapter; } logging('adapter.js shimming firefox.'); // Export to the adapter global object visible in the browser. adapter.browserShim = firefoxShim; // Must be called before shimPeerConnection. commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails); firefoxShim.shimGetUserMedia(window, browserDetails); firefoxShim.shimPeerConnection(window, browserDetails); firefoxShim.shimOnTrack(window, browserDetails); firefoxShim.shimRemoveStream(window, browserDetails); firefoxShim.shimSenderGetStats(window, browserDetails); firefoxShim.shimReceiverGetStats(window, browserDetails); firefoxShim.shimRTCDataChannel(window, browserDetails); firefoxShim.shimAddTransceiver(window, browserDetails); firefoxShim.shimGetParameters(window, browserDetails); firefoxShim.shimCreateOffer(window, browserDetails); firefoxShim.shimCreateAnswer(window, browserDetails); commonShim.shimRTCIceCandidate(window, browserDetails); commonShim.shimConnectionState(window, browserDetails); commonShim.shimMaxMessageSize(window, browserDetails); commonShim.shimSendThrowTypeError(window, browserDetails); break; case '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, browserDetails); edgeShim.shimGetDisplayMedia(window, browserDetails); edgeShim.shimPeerConnection(window, browserDetails); edgeShim.shimReplaceTrack(window, browserDetails); // the edge shim implements the full RTCIceCandidate object. commonShim.shimMaxMessageSize(window, browserDetails); commonShim.shimSendThrowTypeError(window, browserDetails); break; case 'safari': if (!safariShim || !options.shimSafari) { logging('Safari shim is not included in this adapter release.'); return adapter; } logging('adapter.js shimming safari.'); // Export to the adapter global object visible in the browser. adapter.browserShim = safariShim; // Must be called before shimCallbackAPI. commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails); safariShim.shimRTCIceServerUrls(window, browserDetails); safariShim.shimCreateOfferLegacy(window, browserDetails); safariShim.shimCallbacksAPI(window, browserDetails); safariShim.shimLocalStreamsAPI(window, browserDetails); safariShim.shimRemoteStreamsAPI(window, browserDetails); safariShim.shimTrackEventTransceiver(window, browserDetails); safariShim.shimGetUserMedia(window, browserDetails); safariShim.shimAudioContext(window, browserDetails); commonShim.shimRTCIceCandidate(window, browserDetails); commonShim.shimMaxMessageSize(window, browserDetails); commonShim.shimSendThrowTypeError(window, browserDetails); commonShim.removeExtmapAllowMixed(window, browserDetails); break; default: logging('Unsupported browser!'); break; } return adapter; } // Browser shims. },{"./chrome/chrome_shim":13,"./common_shim":16,"./edge/edge_shim":17,"./firefox/firefox_shim":21,"./safari/safari_shim":24,"./utils":25}],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'; function _typeof2(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof2 = function _typeof2(obj) { return typeof obj; }; } else { _typeof2 = function _typeof2(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof2(obj); } Object.defineProperty(exports, "__esModule", { value: true }); exports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined; var _typeof = typeof Symbol === "function" && _typeof2(Symbol.iterator) === "symbol" ? function (obj) { return _typeof2(obj); } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : _typeof2(obj); }; var _getusermedia = require('./getusermedia'); Object.defineProperty(exports, 'shimGetUserMedia', { enumerable: true, get: function get() { return _getusermedia.shimGetUserMedia; } }); var _getdisplaymedia = require('./getdisplaymedia'); Object.defineProperty(exports, 'shimGetDisplayMedia', { enumerable: true, get: function get() { return _getdisplaymedia.shimGetDisplayMedia; } }); exports.shimMediaStream = shimMediaStream; exports.shimOnTrack = shimOnTrack; exports.shimGetSendersWithDtmf = shimGetSendersWithDtmf; exports.shimGetStats = shimGetStats; exports.shimSenderReceiverGetStats = shimSenderReceiverGetStats; exports.shimAddTrackRemoveTrackWithNative = shimAddTrackRemoveTrackWithNative; exports.shimAddTrackRemoveTrack = shimAddTrackRemoveTrack; exports.shimPeerConnection = shimPeerConnection; exports.fixNegotiationNeeded = fixNegotiationNeeded; var _utils = require('../utils.js'); var utils = _interopRequireWildcard(_utils); function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj["default"] = obj; return newObj; } } function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } function shimMediaStream(window) { window.MediaStream = window.MediaStream || window.webkitMediaStream; } function shimOnTrack(window) { if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && !('ontrack' in window.RTCPeerConnection.prototype)) { Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', { get: function get() { return this._ontrack; }, set: function set(f) { if (this._ontrack) { this.removeEventListener('track', this._ontrack); } this.addEventListener('track', this._ontrack = f); }, enumerable: true, configurable: true }); var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription; window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() { var _this = this; if (!this._ontrackpoly) { this._ontrackpoly = function (e) { // onaddstream does not fire when a track is added to an existing // stream. But stream.onaddtrack is implemented so we use that. e.stream.addEventListener('addtrack', function (te) { var receiver = void 0; if (window.RTCPeerConnection.prototype.getReceivers) { receiver = _this.getReceivers().find(function (r) { return r.track && r.track.id === te.track.id; }); } else { receiver = { track: te.track }; } var event = new Event('track'); event.track = te.track; event.receiver = receiver; event.transceiver = { receiver: receiver }; event.streams = [e.stream]; _this.dispatchEvent(event); }); e.stream.getTracks().forEach(function (track) { var receiver = void 0; if (window.RTCPeerConnection.prototype.getReceivers) { receiver = _this.getReceivers().find(function (r) { return r.track && r.track.id === track.id; }); } else { receiver = { track: track }; } var event = new Event('track'); event.track = track; event.receiver = receiver; event.transceiver = { receiver: receiver }; event.streams = [e.stream]; _this.dispatchEvent(event); }); }; this.addEventListener('addstream', this._ontrackpoly); } return origSetRemoteDescription.apply(this, arguments); }; } else { // even if RTCRtpTransceiver is in window, it is only used and // emitted in unified-plan. Unfortunately this means we need // to unconditionally wrap the event. utils.wrapPeerConnectionEvent(window, 'track', function (e) { if (!e.transceiver) { Object.defineProperty(e, 'transceiver', { value: { receiver: e.receiver } }); } return e; }); } } function shimGetSendersWithDtmf(window) { // Overrides addTrack/removeTrack, depends on shimAddTrackRemoveTrack. if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && !('getSenders' in window.RTCPeerConnection.prototype) && 'createDTMFSender' in window.RTCPeerConnection.prototype) { var shimSenderWithDtmf = function shimSenderWithDtmf(pc, track) { return { track: track, get dtmf() { if (this._dtmf === undefined) { if (track.kind === 'audio') { this._dtmf = pc.createDTMFSender(track); } else { this._dtmf = null; } } return this._dtmf; }, _pc: pc }; }; // augment addTrack when getSenders is not available. if (!window.RTCPeerConnection.prototype.getSenders) { window.RTCPeerConnection.prototype.getSenders = function getSenders() { this._senders = this._senders || []; return this._senders.slice(); // return a copy of the internal state. }; var origAddTrack = window.RTCPeerConnection.prototype.addTrack; window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) { var sender = origAddTrack.apply(this, arguments); if (!sender) { sender = shimSenderWithDtmf(this, track); this._senders.push(sender); } return sender; }; var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack; window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) { origRemoveTrack.apply(this, arguments); var idx = this._senders.indexOf(sender); if (idx !== -1) { this._senders.splice(idx, 1); } }; } var origAddStream = window.RTCPeerConnection.prototype.addStream; window.RTCPeerConnection.prototype.addStream = function addStream(stream) { var _this2 = this; this._senders = this._senders || []; origAddStream.apply(this, [stream]); stream.getTracks().forEach(function (track) { _this2._senders.push(shimSenderWithDtmf(_this2, track)); }); }; var origRemoveStream = window.RTCPeerConnection.prototype.removeStream; window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) { var _this3 = this; this._senders = this._senders || []; origRemoveStream.apply(this, [stream]); stream.getTracks().forEach(function (track) { var sender = _this3._senders.find(function (s) { return s.track === track; }); if (sender) { // remove sender _this3._senders.splice(_this3._senders.indexOf(sender), 1); } }); }; } else if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && 'getSenders' in window.RTCPeerConnection.prototype && 'createDTMFSender' in window.RTCPeerConnection.prototype && window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) { var origGetSenders = window.RTCPeerConnection.prototype.getSenders; window.RTCPeerConnection.prototype.getSenders = function getSenders() { var _this4 = this; var senders = origGetSenders.apply(this, []); senders.forEach(function (sender) { return sender._pc = _this4; }); return senders; }; Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', { get: function get() { if (this._dtmf === undefined) { if (this.track.kind === 'audio') { this._dtmf = this._pc.createDTMFSender(this.track); } else { this._dtmf = null; } } return this._dtmf; } }); } } function shimGetStats(window) { if (!window.RTCPeerConnection) { return; } var origGetStats = window.RTCPeerConnection.prototype.getStats; window.RTCPeerConnection.prototype.getStats = function getStats() { var _this5 = this; var _arguments = Array.prototype.slice.call(arguments), selector = _arguments[0], onSucc = _arguments[1], onErr = _arguments[2]; // If selector is a function then we are in the old style stats so just // pass back the original getStats format to avoid breaking old users. if (arguments.length > 0 && typeof selector === 'function') { return origGetStats.apply(this, arguments); } // When spec-style getStats is supported, return those when called with // either no arguments or the selector argument is null. if (origGetStats.length === 0 && (arguments.length === 0 || typeof selector !== 'function')) { return origGetStats.apply(this, []); } var fixChromeStats_ = function fixChromeStats_(response) { var standardReport = {}; var reports = response.result(); reports.forEach(function (report) { var standardStats = { id: report.id, timestamp: report.timestamp, type: { localcandidate: 'local-candidate', remotecandidate: 'remote-candidate' }[report.type] || report.type }; report.names().forEach(function (name) { standardStats[name] = report.stat(name); }); standardReport[standardStats.id] = standardStats; }); return standardReport; }; // shim getStats with maplike support var makeMapStats = function makeMapStats(stats) { return new Map(Object.keys(stats).map(function (key) { return [key, stats[key]]; })); }; if (arguments.length >= 2) { var successCallbackWrapper_ = function successCallbackWrapper_(response) { onSucc(makeMapStats(fixChromeStats_(response))); }; return origGetStats.apply(this, [successCallbackWrapper_, selector]); } // promise-support return new Promise(function (resolve, reject) { origGetStats.apply(_this5, [function (response) { resolve(makeMapStats(fixChromeStats_(response))); }, reject]); }).then(onSucc, onErr); }; } function shimSenderReceiverGetStats(window) { if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && window.RTCRtpSender && window.RTCRtpReceiver)) { return; } // shim sender stats. if (!('getStats' in window.RTCRtpSender.prototype)) { var origGetSenders = window.RTCPeerConnection.prototype.getSenders; if (origGetSenders) { window.RTCPeerConnection.prototype.getSenders = function getSenders() { var _this6 = this; var senders = origGetSenders.apply(this, []); senders.forEach(function (sender) { return sender._pc = _this6; }); return senders; }; } var origAddTrack = window.RTCPeerConnection.prototype.addTrack; if (origAddTrack) { window.RTCPeerConnection.prototype.addTrack = function addTrack() { var sender = origAddTrack.apply(this, arguments); sender._pc = this; return sender; }; } window.RTCRtpSender.prototype.getStats = function getStats() { var sender = this; return this._pc.getStats().then(function (result) { return ( /* Note: this will include stats of all senders that * send a track with the same id as sender.track as * it is not possible to identify the RTCRtpSender. */ utils.filterStats(result, sender.track, true) ); }); }; } // shim receiver stats. if (!('getStats' in window.RTCRtpReceiver.prototype)) { var origGetReceivers = window.RTCPeerConnection.prototype.getReceivers; if (origGetReceivers) { window.RTCPeerConnection.prototype.getReceivers = function getReceivers() { var _this7 = this; var receivers = origGetReceivers.apply(this, []); receivers.forEach(function (receiver) { return receiver._pc = _this7; }); return receivers; }; } utils.wrapPeerConnectionEvent(window, 'track', function (e) { e.receiver._pc = e.srcElement; return e; }); window.RTCRtpReceiver.prototype.getStats = function getStats() { var receiver = this; return this._pc.getStats().then(function (result) { return utils.filterStats(result, receiver.track, false); }); }; } if (!('getStats' in window.RTCRtpSender.prototype && 'getStats' in window.RTCRtpReceiver.prototype)) { return; } // shim RTCPeerConnection.getStats(track). var origGetStats = window.RTCPeerConnection.prototype.getStats; window.RTCPeerConnection.prototype.getStats = function getStats() { if (arguments.length > 0 && arguments[0] instanceof window.MediaStreamTrack) { var track = arguments[0]; var sender = void 0; var receiver = void 0; var err = void 0; this.getSenders().forEach(function (s) { if (s.track === track) { if (sender) { err = true; } else { sender = s; } } }); this.getReceivers().forEach(function (r) { if (r.track === track) { if (receiver) { err = true; } else { receiver = r; } } return r.track === track; }); if (err || sender && receiver) { return Promise.reject(new DOMException('There are more than one sender or receiver for the track.', 'InvalidAccessError')); } else if (sender) { return sender.getStats(); } else if (receiver) { return receiver.getStats(); } return Promise.reject(new DOMException('There is no sender or receiver for the track.', 'InvalidAccessError')); } return origGetStats.apply(this, arguments); }; } function shimAddTrackRemoveTrackWithNative(window) { // shim addTrack/removeTrack with native variants in order to make // the interactions with legacy getLocalStreams behave as in other browsers. // Keeps a mapping stream.id => [stream, rtpsenders...] window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() { var _this8 = this; this._shimmedLocalStreams = this._shimmedLocalStreams || {}; return Object.keys(this._shimmedLocalStreams).map(function (streamId) { return _this8._shimmedLocalStreams[streamId][0]; }); }; var origAddTrack = window.RTCPeerConnection.prototype.addTrack; window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) { if (!stream) { return origAddTrack.apply(this, arguments); } this._shimmedLocalStreams = this._shimmedLocalStreams || {}; var sender = origAddTrack.apply(this, arguments); if (!this._shimmedLocalStreams[stream.id]) { this._shimmedLocalStreams[stream.id] = [stream, sender]; } else if (this._shimmedLocalStreams[stream.id].indexOf(sender) === -1) { this._shimmedLocalStreams[stream.id].push(sender); } return sender; }; var origAddStream = window.RTCPeerConnection.prototype.addStream; window.RTCPeerConnection.prototype.addStream = function addStream(stream) { var _this9 = this; this._shimmedLocalStreams = this._shimmedLocalStreams || {}; stream.getTracks().forEach(function (track) { var alreadyExists = _this9.getSenders().find(function (s) { return s.track === track; }); if (alreadyExists) { throw new DOMException('Track already exists.', 'InvalidAccessError'); } }); var existingSenders = this.getSenders(); origAddStream.apply(this, arguments); var newSenders = this.getSenders().filter(function (newSender) { return existingSenders.indexOf(newSender) === -1; }); this._shimmedLocalStreams[stream.id] = [stream].concat(newSenders); }; var origRemoveStream = window.RTCPeerConnection.prototype.removeStream; window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) { this._shimmedLocalStreams = this._shimmedLocalStreams || {}; delete this._shimmedLocalStreams[stream.id]; return origRemoveStream.apply(this, arguments); }; var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack; window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) { var _this10 = this; this._shimmedLocalStreams = this._shimmedLocalStreams || {}; if (sender) { Object.keys(this._shimmedLocalStreams).forEach(function (streamId) { var idx = _this10._shimmedLocalStreams[streamId].indexOf(sender); if (idx !== -1) { _this10._shimmedLocalStreams[streamId].splice(idx, 1); } if (_this10._shimmedLocalStreams[streamId].length === 1) { delete _this10._shimmedLocalStreams[streamId]; } }); } return origRemoveTrack.apply(this, arguments); }; } function shimAddTrackRemoveTrack(window, browserDetails) { if (!window.RTCPeerConnection) { return; } // shim addTrack and removeTrack. if (window.RTCPeerConnection.prototype.addTrack && browserDetails.version >= 65) { return shimAddTrackRemoveTrackWithNative(window); } // also shim pc.getLocalStreams when addTrack is shimmed // to return the original streams. var origGetLocalStreams = window.RTCPeerConnection.prototype.getLocalStreams; window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() { var _this11 = this; var nativeStreams = origGetLocalStreams.apply(this); this._reverseStreams = this._reverseStreams || {}; return nativeStreams.map(function (stream) { return _this11._reverseStreams[stream.id]; }); }; var origAddStream = window.RTCPeerConnection.prototype.addStream; window.RTCPeerConnection.prototype.addStream = function addStream(stream) { var _this12 = this; this._streams = this._streams || {}; this._reverseStreams = this._reverseStreams || {}; stream.getTracks().forEach(function (track) { var alreadyExists = _this12.getSenders().find(function (s) { return s.track === track; }); if (alreadyExists) { throw new DOMException('Track already exists.', 'InvalidAccessError'); } }); // Add identity mapping for consistency with addTrack. // Unless this is being used with a stream from addTrack. if (!this._reverseStreams[stream.id]) { var newStream = new window.MediaStream(stream.getTracks()); this._streams[stream.id] = newStream; this._reverseStreams[newStream.id] = stream; stream = newStream; } origAddStream.apply(this, [stream]); }; var origRemoveStream = window.RTCPeerConnection.prototype.removeStream; window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) { this._streams = this._streams || {}; this._reverseStreams = this._reverseStreams || {}; origRemoveStream.apply(this, [this._streams[stream.id] || stream]); delete this._reverseStreams[this._streams[stream.id] ? this._streams[stream.id].id : stream.id]; delete this._streams[stream.id]; }; window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) { var _this13 = this; if (this.signalingState === 'closed') { throw new DOMException('The RTCPeerConnection\'s signalingState is \'closed\'.', 'InvalidStateError'); } var streams = [].slice.call(arguments, 1); if (streams.length !== 1 || !streams[0].getTracks().find(function (t) { return t === track; })) { // this is not fully correct but all we can manage without // [[associated MediaStreams]] internal slot. throw new DOMException('The adapter.js addTrack polyfill only supports a single ' + ' stream which is associated with the specified track.', 'NotSupportedError'); } var alreadyExists = this.getSenders().find(function (s) { return s.track === track; }); if (alreadyExists) { throw new DOMException('Track already exists.', 'InvalidAccessError'); } this._streams = this._streams || {}; this._reverseStreams = this._reverseStreams || {}; var oldStream = this._streams[stream.id]; if (oldStream) { // this is using odd Chrome behaviour, use with caution: // https://bugs.chromium.org/p/webrtc/issues/detail?id=7815 // Note: we rely on the high-level addTrack/dtmf shim to // create the sender with a dtmf sender. oldStream.addTrack(track); // Trigger ONN async. Promise.resolve().then(function () { _this13.dispatchEvent(new Event('negotiationneeded')); }); } else { var newStream = new window.MediaStream([track]); this._streams[stream.id] = newStream; this._reverseStreams[newStream.id] = stream; this.addStream(newStream); } return this.getSenders().find(function (s) { return s.track === track; }); }; // replace the internal stream id with the external one and // vice versa. function replaceInternalStreamId(pc, description) { var sdp = description.sdp; Object.keys(pc._reverseStreams || []).forEach(function (internalId) { var externalStream = pc._reverseStreams[internalId]; var internalStream = pc._streams[externalStream.id]; sdp = sdp.replace(new RegExp(internalStream.id, 'g'), externalStream.id); }); return new RTCSessionDescription({ type: description.type, sdp: sdp }); } function replaceExternalStreamId(pc, description) { var sdp = description.sdp; Object.keys(pc._reverseStreams || []).forEach(function (internalId) { var externalStream = pc._reverseStreams[internalId]; var internalStream = pc._streams[externalStream.id]; sdp = sdp.replace(new RegExp(externalStream.id, 'g'), internalStream.id); }); return new RTCSessionDescription({ type: description.type, sdp: sdp }); } ['createOffer', 'createAnswer'].forEach(function (method) { var nativeMethod = window.RTCPeerConnection.prototype[method]; var methodObj = _defineProperty({}, method, function () { var _this14 = this; var args = arguments; var isLegacyCall = arguments.length && typeof arguments[0] === 'function'; if (isLegacyCall) { return nativeMethod.apply(this, [function (description) { var desc = replaceInternalStreamId(_this14, description); args[0].apply(null, [desc]); }, function (err) { if (args[1]) { args[1].apply(null, err); } }, arguments[2]]); } return nativeMethod.apply(this, arguments).then(function (description) { return replaceInternalStreamId(_this14, description); }); }); window.RTCPeerConnection.prototype[method] = methodObj[method]; }); var origSetLocalDescription = window.RTCPeerConnection.prototype.setLocalDescription; window.RTCPeerConnection.prototype.setLocalDescription = function setLocalDescription() { if (!arguments.length || !arguments[0].type) { return origSetLocalDescription.apply(this, arguments); } arguments[0] = replaceExternalStreamId(this, arguments[0]); return origSetLocalDescription.apply(this, arguments); }; // TODO: mangle getStats: https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamstats-streamidentifier var origLocalDescription = Object.getOwnPropertyDescriptor(window.RTCPeerConnection.prototype, 'localDescription'); Object.defineProperty(window.RTCPeerConnection.prototype, 'localDescription', { get: function get() { var description = origLocalDescription.get.apply(this); if (description.type === '') { return description; } return replaceInternalStreamId(this, description); } }); window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) { var _this15 = this; if (this.signalingState === 'closed') { throw new DOMException('The RTCPeerConnection\'s signalingState is \'closed\'.', 'InvalidStateError'); } // We can not yet check for sender instanceof RTCRtpSender // since we shim RTPSender. So we check if sender._pc is set. if (!sender._pc) { throw new DOMException('Argument 1 of RTCPeerConnection.removeTrack ' + 'does not implement interface RTCRtpSender.', 'TypeError'); } var isLocal = sender._pc === this; if (!isLocal) { throw new DOMException('Sender was not created by this connection.', 'InvalidAccessError'); } // Search for the native stream the senders track belongs to. this._streams = this._streams || {}; var stream = void 0; Object.keys(this._streams).forEach(function (streamid) { var hasTrack = _this15._streams[streamid].getTracks().find(function (track) { return sender.track === track; }); if (hasTrack) { stream = _this15._streams[streamid]; } }); if (stream) { if (stream.getTracks().length === 1) { // if this is the last track of the stream, remove the stream. This // takes care of any shimmed _senders. this.removeStream(this._reverseStreams[stream.id]); } else { // relying on the same odd chrome behaviour as above. stream.removeTrack(sender.track); } this.dispatchEvent(new Event('negotiationneeded')); } }; } function shimPeerConnection(window, browserDetails) { if (!window.RTCPeerConnection && window.webkitRTCPeerConnection) { // very basic support for old versions. window.RTCPeerConnection = window.webkitRTCPeerConnection; } if (!window.RTCPeerConnection) { return; } // shim implicit creation of RTCSessionDescription/RTCIceCandidate if (browserDetails.version < 53) { ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'].forEach(function (method) { var nativeMethod = window.RTCPeerConnection.prototype[method]; var methodObj = _defineProperty({}, method, function () { arguments[0] = new (method === 'addIceCandidate' ? window.RTCIceCandidate : window.RTCSessionDescription)(arguments[0]); return nativeMethod.apply(this, arguments); }); window.RTCPeerConnection.prototype[method] = methodObj[method]; }); } } // Attempt to fix ONN in plan-b mode. function fixNegotiationNeeded(window, browserDetails) { utils.wrapPeerConnectionEvent(window, 'negotiationneeded', function (e) { var pc = e.target; if (browserDetails.version < 72 || pc.getConfiguration && pc.getConfiguration().sdpSemantics === 'plan-b') { if (pc.signalingState !== 'stable') { return; } } return e; }); } },{"../utils.js":25,"./getdisplaymedia":14,"./getusermedia":15}],14:[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); }); }; } },{}],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'; function _typeof2(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof2 = function _typeof2(obj) { return typeof obj; }; } else { _typeof2 = function _typeof2(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof2(obj); } Object.defineProperty(exports, "__esModule", { value: true }); var _typeof = typeof Symbol === "function" && _typeof2(Symbol.iterator) === "symbol" ? function (obj) { return _typeof2(obj); } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : _typeof2(obj); }; exports.shimGetUserMedia = shimGetUserMedia; var _utils = require('../utils.js'); var utils = _interopRequireWildcard(_utils); function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj["default"] = obj; return newObj; } } var logging = utils.log; function shimGetUserMedia(window, browserDetails) { var navigator = window && window.navigator; if (!navigator.mediaDevices) { return; } var constraintsToChrome_ = function constraintsToChrome_(c) { if ((typeof c === 'undefined' ? 'undefined' : _typeof(c)) !== 'object' || c.mandatory || c.optional) { return c; } var cc = {}; Object.keys(c).forEach(function (key) { if (key === 'require' || key === 'advanced' || key === 'mediaSource') { return; } var r = _typeof(c[key]) === 'object' ? c[key] : { ideal: c[key] }; if (r.exact !== undefined && typeof r.exact === 'number') { r.min = r.max = r.exact; } var oldname_ = function oldname_(prefix, name) { if (prefix) { return prefix + name.charAt(0).toUpperCase() + name.slice(1); } return name === 'deviceId' ? 'sourceId' : name; }; if (r.ideal !== undefined) { cc.optional = cc.optional || []; var oc = {}; if (typeof r.ideal === 'number') { oc[oldname_('min', key)] = r.ideal; cc.optional.push(oc); oc = {}; oc[oldname_('max', key)] = r.ideal; cc.optional.push(oc); } else { oc[oldname_('', key)] = r.ideal; cc.optional.push(oc); } } if (r.exact !== undefined && typeof r.exact !== 'number') { cc.mandatory = cc.mandatory || {}; cc.mandatory[oldname_('', key)] = r.exact; } else { ['min', 'max'].forEach(function (mix) { if (r[mix] !== undefined) { cc.mandatory = cc.mandatory || {}; cc.mandatory[oldname_(mix, key)] = r[mix]; } }); } }); if (c.advanced) { cc.optional = (cc.optional || []).concat(c.advanced); } return cc; }; var shimConstraints_ = function shimConstraints_(constraints, func) { if (browserDetails.version >= 61) { return func(constraints); } constraints = JSON.parse(JSON.stringify(constraints)); if (constraints && _typeof(constraints.audio) === 'object') { var remap = function remap(obj, a, b) { if (a in obj && !(b in obj)) { obj[b] = obj[a]; delete obj[a]; } }; constraints = JSON.parse(JSON.stringify(constraints)); remap(constraints.audio, 'autoGainControl', 'googAutoGainControl'); remap(constraints.audio, 'noiseSuppression', 'googNoiseSuppression'); constraints.audio = constraintsToChrome_(constraints.audio); } if (constraints && _typeof(constraints.video) === 'object') { // Shim facingMode for mobile & surface pro. var face = constraints.video.facingMode; face = face && ((typeof face === 'undefined' ? 'undefined' : _typeof(face)) === 'object' ? face : { ideal: face }); var getSupportedFacingModeLies = browserDetails.version < 66; if (face && (face.exact === 'user' || face.exact === 'environment' || face.ideal === 'user' || face.ideal === 'environment') && !(navigator.mediaDevices.getSupportedConstraints && navigator.mediaDevices.getSupportedConstraints().facingMode && !getSupportedFacingModeLies)) { delete constraints.video.facingMode; var matches = void 0; if (face.exact === 'environment' || face.ideal === 'environment') { matches = ['back', 'rear']; } else if (face.exact === 'user' || face.ideal === 'user') { matches = ['front']; } if (matches) { // Look for matches in label, or use last cam for back (typical). return navigator.mediaDevices.enumerateDevices().then(function (devices) { devices = devices.filter(function (d) { return d.kind === 'videoinput'; }); var dev = devices.find(function (d) { return matches.some(function (match) { return d.label.toLowerCase().includes(match); }); }); if (!dev && devices.length && matches.includes('back')) { dev = devices[devices.length - 1]; // more likely the back cam } if (dev) { constraints.video.deviceId = face.exact ? { exact: dev.deviceId } : { ideal: dev.deviceId }; } constraints.video = constraintsToChrome_(constraints.video); logging('chrome: ' + JSON.stringify(constraints)); return func(constraints); }); } } constraints.video = constraintsToChrome_(constraints.video); } logging('chrome: ' + JSON.stringify(constraints)); return func(constraints); }; var shimError_ = function shimError_(e) { if (browserDetails.version >= 64) { return e; } return { name: { PermissionDeniedError: 'NotAllowedError', PermissionDismissedError: 'NotAllowedError', InvalidStateError: 'NotAllowedError', DevicesNotFoundError: 'NotFoundError', ConstraintNotSatisfiedError: 'OverconstrainedError', TrackStartError: 'NotReadableError', MediaDeviceFailedDueToShutdown: 'NotAllowedError', MediaDeviceKillSwitchOn: 'NotAllowedError', TabCaptureError: 'AbortError', ScreenCaptureError: 'AbortError', DeviceCaptureError: 'AbortError' }[e.name] || e.name, message: e.message, constraint: e.constraint || e.constraintName, toString: function toString() { return this.name + (this.message && ': ') + this.message; } }; }; var getUserMedia_ = function getUserMedia_(constraints, onSuccess, onError) { shimConstraints_(constraints, function (c) { navigator.webkitGetUserMedia(c, onSuccess, function (e) { if (onError) { onError(shimError_(e)); } }); }); }; navigator.getUserMedia = getUserMedia_.bind(navigator); // Even though Chrome 45 has navigator.mediaDevices and a getUserMedia // function which returns a Promise, it does not accept spec-style // constraints. if (navigator.mediaDevices.getUserMedia) { var origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices); navigator.mediaDevices.getUserMedia = function (cs) { return shimConstraints_(cs, function (c) { return origGetUserMedia(c).then(function (stream) { if (c.audio && !stream.getAudioTracks().length || c.video && !stream.getVideoTracks().length) { stream.getTracks().forEach(function (track) { track.stop(); }); throw new DOMException('', 'NotFoundError'); } return stream; }, function (e) { return Promise.reject(shimError_(e)); }); }); }; } } },{"../utils.js":25}],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'; function _typeof2(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof2 = function _typeof2(obj) { return typeof obj; }; } else { _typeof2 = function _typeof2(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof2(obj); } Object.defineProperty(exports, "__esModule", { value: true }); var _typeof = typeof Symbol === "function" && _typeof2(Symbol.iterator) === "symbol" ? function (obj) { return _typeof2(obj); } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : _typeof2(obj); }; exports.shimRTCIceCandidate = shimRTCIceCandidate; exports.shimMaxMessageSize = shimMaxMessageSize; exports.shimSendThrowTypeError = shimSendThrowTypeError; exports.shimConnectionState = shimConnectionState; exports.removeExtmapAllowMixed = removeExtmapAllowMixed; exports.shimAddIceCandidateNullOrEmpty = shimAddIceCandidateNullOrEmpty; 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, browserDetails) { if (!window.RTCPeerConnection) { return; } if (!('sctp' in window.RTCPeerConnection.prototype)) { Object.defineProperty(window.RTCPeerConnection.prototype, 'sctp', { get: function get() { return typeof this._sctp === 'undefined' ? null : this._sctp; } }); } var sctpInDescription = function sctpInDescription(description) { if (!description || !description.sdp) { return false; } var sections = _sdp2["default"].splitSections(description.sdp); sections.shift(); return sections.some(function (mediaSection) { var mLine = _sdp2["default"].parseMLine(mediaSection); return mLine && mLine.kind === 'application' && mLine.protocol.indexOf('SCTP') !== -1; }); }; var getRemoteFirefoxVersion = function getRemoteFirefoxVersion(description) { // TODO: Is there a better solution for detecting Firefox? var match = description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/); if (match === null || match.length < 2) { return -1; } var version = parseInt(match[1], 10); // Test for NaN (yes, this is ugly) return version !== version ? -1 : version; }; var getCanSendMaxMessageSize = function getCanSendMaxMessageSize(remoteIsFirefox) { // Every implementation we know can send at least 64 KiB. // Note: Although Chrome is technically able to send up to 256 KiB, the // data does not reach the other peer reliably. // See: https://bugs.chromium.org/p/webrtc/issues/detail?id=8419 var canSendMaxMessageSize = 65536; if (browserDetails.browser === 'firefox') { if (browserDetails.version < 57) { if (remoteIsFirefox === -1) { // FF < 57 will send in 16 KiB chunks using the deprecated PPID // fragmentation. canSendMaxMessageSize = 16384; } else { // However, other FF (and RAWRTC) can reassemble PPID-fragmented // messages. Thus, supporting ~2 GiB when sending. canSendMaxMessageSize = 2147483637; } } else if (browserDetails.version < 60) { // Currently, all FF >= 57 will reset the remote maximum message size // to the default value when a data channel is created at a later // stage. :( // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831 canSendMaxMessageSize = browserDetails.version === 57 ? 65535 : 65536; } else { // FF >= 60 supports sending ~2 GiB canSendMaxMessageSize = 2147483637; } } return canSendMaxMessageSize; }; var getMaxMessageSize = function getMaxMessageSize(description, remoteIsFirefox) { // Note: 65536 bytes is the default value from the SDP spec. Also, // every implementation we know supports receiving 65536 bytes. var maxMessageSize = 65536; // FF 57 has a slightly incorrect default remote max message size, so // we need to adjust it here to avoid a failure when sending. // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1425697 if (browserDetails.browser === 'firefox' && browserDetails.version === 57) { maxMessageSize = 65535; } var match = _sdp2["default"].matchPrefix(description.sdp, 'a=max-message-size:'); if (match.length > 0) { maxMessageSize = parseInt(match[0].substr(19), 10); } else if (browserDetails.browser === 'firefox' && remoteIsFirefox !== -1) { // If the maximum message size is not present in the remote SDP and // both local and remote are Firefox, the remote peer can receive // ~2 GiB. maxMessageSize = 2147483637; } return maxMessageSize; }; var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription; window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() { this._sctp = null; // Chrome decided to not expose .sctp in plan-b mode. // As usual, adapter.js has to do an 'ugly worakaround' // to cover up the mess. if (browserDetails.browser === 'chrome' && browserDetails.version >= 76) { var _getConfiguration = this.getConfiguration(), sdpSemantics = _getConfiguration.sdpSemantics; if (sdpSemantics === 'plan-b') { Object.defineProperty(this, 'sctp', { get: function get() { return typeof this._sctp === 'undefined' ? null : this._sctp; }, enumerable: true, configurable: true }); } } if (sctpInDescription(arguments[0])) { // Check if the remote is FF. var isFirefox = getRemoteFirefoxVersion(arguments[0]); // Get the maximum message size the local peer is capable of sending var canSendMMS = getCanSendMaxMessageSize(isFirefox); // Get the maximum message size of the remote peer. var remoteMMS = getMaxMessageSize(arguments[0], isFirefox); // Determine final maximum message size var maxMessageSize = void 0; if (canSendMMS === 0 && remoteMMS === 0) { maxMessageSize = Number.POSITIVE_INFINITY; } else if (canSendMMS === 0 || remoteMMS === 0) { maxMessageSize = Math.max(canSendMMS, remoteMMS); } else { maxMessageSize = Math.min(canSendMMS, remoteMMS); } // Create a dummy RTCSctpTransport object and the 'maxMessageSize' // attribute. var sctp = {}; Object.defineProperty(sctp, 'maxMessageSize', { get: function get() { return maxMessageSize; } }); this._sctp = sctp; } return origSetRemoteDescription.apply(this, arguments); }; } function shimSendThrowTypeError(window) { if (!(window.RTCPeerConnection && 'createDataChannel' in window.RTCPeerConnection.prototype)) { return; } // Note: Although Firefox >= 57 has a native implementation, the maximum // message size can be reset for all data channels at a later stage. // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831 function wrapDcSend(dc, pc) { var origDataChannelSend = dc.send; dc.send = function send() { var data = arguments[0]; var length = data.length || data.size || data.byteLength; if (dc.readyState === 'open' && pc.sctp && length > pc.sctp.maxMessageSize) { throw new TypeError('Message too large (can send a maximum of ' + pc.sctp.maxMessageSize + ' bytes)'); } return origDataChannelSend.apply(dc, arguments); }; } var origCreateDataChannel = window.RTCPeerConnection.prototype.createDataChannel; window.RTCPeerConnection.prototype.createDataChannel = function createDataChannel() { var dataChannel = origCreateDataChannel.apply(this, arguments); wrapDcSend(dataChannel, this); return dataChannel; }; utils.wrapPeerConnectionEvent(window, 'datachannel', function (e) { wrapDcSend(e.channel, e.target); return e; }); } /* shims RTCConnectionState by pretending it is the same as iceConnectionState. * See https://bugs.chromium.org/p/webrtc/issues/detail?id=6145#c12 * for why this is a valid hack in Chrome. In Firefox it is slightly incorrect * since DTLS failures would be hidden. See * https://bugzilla.mozilla.org/show_bug.cgi?id=1265827 * for the Firefox tracking bug. */ function shimConnectionState(window) { if (!window.RTCPeerConnection || 'connectionState' in window.RTCPeerConnection.prototype) { return; } var proto = window.RTCPeerConnection.prototype; Object.defineProperty(proto, 'connectionState', { get: function get() { return { completed: 'connected', checking: 'connecting' }[this.iceConnectionState] || this.iceConnectionState; }, enumerable: true, configurable: true }); Object.defineProperty(proto, 'onconnectionstatechange', { get: function get() { return this._onconnectionstatechange || null; }, set: function set(cb) { if (this._onconnectionstatechange) { this.removeEventListener('connectionstatechange', this._onconnectionstatechange); delete this._onconnectionstatechange; } if (cb) { this.addEventListener('connectionstatechange', this._onconnectionstatechange = cb); } }, enumerable: true, configurable: true }); ['setLocalDescription', 'setRemoteDescription'].forEach(function (method) { var origMethod = proto[method]; proto[method] = function () { if (!this._connectionstatechangepoly) { this._connectionstatechangepoly = function (e) { var pc = e.target; if (pc._lastConnectionState !== pc.connectionState) { pc._lastConnectionState = pc.connectionState; var newEvent = new Event('connectionstatechange', e); pc.dispatchEvent(newEvent); } return e; }; this.addEventListener('iceconnectionstatechange', this._connectionstatechangepoly); } return origMethod.apply(this, arguments); }; }); } function removeExtmapAllowMixed(window, browserDetails) { /* remove a=extmap-allow-mixed for webrtc.org < M71 */ if (!window.RTCPeerConnection) { return; } if (browserDetails.browser === 'chrome' && browserDetails.version >= 71) { return; } if (browserDetails.browser === 'safari' && browserDetails.version >= 605) { return; } var nativeSRD = window.RTCPeerConnection.prototype.setRemoteDescription; window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription(desc) { if (desc && desc.sdp && desc.sdp.indexOf('\na=extmap-allow-mixed') !== -1) { var sdp = desc.sdp.split('\n').filter(function (line) { return line.trim() !== 'a=extmap-allow-mixed'; }).join('\n'); // Safari enforces read-only-ness of RTCSessionDescription fields. if (window.RTCSessionDescription && desc instanceof window.RTCSessionDescription) { arguments[0] = new window.RTCSessionDescription({ type: desc.type, sdp: sdp }); } else { desc.sdp = sdp; } } return nativeSRD.apply(this, arguments); }; } function shimAddIceCandidateNullOrEmpty(window, browserDetails) { // Support for addIceCandidate(null or undefined) // as well as addIceCandidate({candidate: "", ...}) // https://bugs.chromium.org/p/chromium/issues/detail?id=978582 // Note: must be called before other polyfills which change the signature. if (!(window.RTCPeerConnection && window.RTCPeerConnection.prototype)) { return; } var nativeAddIceCandidate = window.RTCPeerConnection.prototype.addIceCandidate; if (!nativeAddIceCandidate || nativeAddIceCandidate.length === 0) { return; } window.RTCPeerConnection.prototype.addIceCandidate = function addIceCandidate() { if (!arguments[0]) { if (arguments[1]) { arguments[1].apply(null); } return Promise.resolve(); } // Firefox 68+ emits and processes {candidate: "", ...}, ignore // in older versions. // Native support for ignoring exists for Chrome M77+. // Safari ignores as well, exact version unknown but works in the same // version that also ignores addIceCandidate(null). if ((browserDetails.browser === 'chrome' && browserDetails.version < 78 || browserDetails.browser === 'firefox' && browserDetails.version < 68 || browserDetails.browser === 'safari') && arguments[0] && arguments[0].candidate === '') { return Promise.resolve(); } return nativeAddIceCandidate.apply(this, arguments); }; } },{"./utils":25,"sdp":6}],17:[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, browserDetails) { 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":25,"./filtericeservers":18,"./getdisplaymedia":19,"./getusermedia":20,"rtcpeerconnection-shim":5}],18:[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":25}],19:[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); } },{}],20:[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)); }); }; } },{}],21:[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'; function _typeof2(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof2 = function _typeof2(obj) { return typeof obj; }; } else { _typeof2 = function _typeof2(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof2(obj); } Object.defineProperty(exports, "__esModule", { value: true }); exports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined; var _typeof = typeof Symbol === "function" && _typeof2(Symbol.iterator) === "symbol" ? function (obj) { return _typeof2(obj); } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : _typeof2(obj); }; var _getusermedia = require('./getusermedia'); Object.defineProperty(exports, 'shimGetUserMedia', { enumerable: true, get: function get() { return _getusermedia.shimGetUserMedia; } }); var _getdisplaymedia = require('./getdisplaymedia'); Object.defineProperty(exports, 'shimGetDisplayMedia', { enumerable: true, get: function get() { return _getdisplaymedia.shimGetDisplayMedia; } }); exports.shimOnTrack = shimOnTrack; exports.shimPeerConnection = shimPeerConnection; exports.shimSenderGetStats = shimSenderGetStats; exports.shimReceiverGetStats = shimReceiverGetStats; exports.shimRemoveStream = shimRemoveStream; exports.shimRTCDataChannel = shimRTCDataChannel; exports.shimAddTransceiver = shimAddTransceiver; exports.shimGetParameters = shimGetParameters; exports.shimCreateOffer = shimCreateOffer; exports.shimCreateAnswer = shimCreateAnswer; var _utils = require('../utils'); var utils = _interopRequireWildcard(_utils); function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj["default"] = obj; return newObj; } } function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } function shimOnTrack(window) { if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCTrackEvent && 'receiver' in window.RTCTrackEvent.prototype && !('transceiver' in window.RTCTrackEvent.prototype)) { Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', { get: function get() { return { receiver: this.receiver }; } }); } } function shimPeerConnection(window, browserDetails) { if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !(window.RTCPeerConnection || window.mozRTCPeerConnection)) { return; // probably media.peerconnection.enabled=false in about:config } if (!window.RTCPeerConnection && window.mozRTCPeerConnection) { // very basic support for old versions. window.RTCPeerConnection = window.mozRTCPeerConnection; } if (browserDetails.version < 53) { // shim away need for obsolete RTCIceCandidate/RTCSessionDescription. ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'].forEach(function (method) { var nativeMethod = window.RTCPeerConnection.prototype[method]; var methodObj = _defineProperty({}, method, function () { arguments[0] = new (method === 'addIceCandidate' ? window.RTCIceCandidate : window.RTCSessionDescription)(arguments[0]); return nativeMethod.apply(this, arguments); }); window.RTCPeerConnection.prototype[method] = methodObj[method]; }); } var modernStatsTypes = { inboundrtp: 'inbound-rtp', outboundrtp: 'outbound-rtp', candidatepair: 'candidate-pair', localcandidate: 'local-candidate', remotecandidate: 'remote-candidate' }; var nativeGetStats = window.RTCPeerConnection.prototype.getStats; window.RTCPeerConnection.prototype.getStats = function getStats() { var _arguments = Array.prototype.slice.call(arguments), selector = _arguments[0], onSucc = _arguments[1], onErr = _arguments[2]; return nativeGetStats.apply(this, [selector || null]).then(function (stats) { if (browserDetails.version < 53 && !onSucc) { // Shim only promise getStats with spec-hyphens in type names // Leave callback version alone; misc old uses of forEach before Map try { stats.forEach(function (stat) { stat.type = modernStatsTypes[stat.type] || stat.type; }); } catch (e) { if (e.name !== 'TypeError') { throw e; } // Avoid TypeError: "type" is read-only, in old versions. 34-43ish stats.forEach(function (stat, i) { stats.set(i, Object.assign({}, stat, { type: modernStatsTypes[stat.type] || stat.type })); }); } } return stats; }).then(onSucc, onErr); }; } function shimSenderGetStats(window) { if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && window.RTCRtpSender)) { return; } if (window.RTCRtpSender && 'getStats' in window.RTCRtpSender.prototype) { return; } var origGetSenders = window.RTCPeerConnection.prototype.getSenders; if (origGetSenders) { window.RTCPeerConnection.prototype.getSenders = function getSenders() { var _this = this; var senders = origGetSenders.apply(this, []); senders.forEach(function (sender) { return sender._pc = _this; }); return senders; }; } var origAddTrack = window.RTCPeerConnection.prototype.addTrack; if (origAddTrack) { window.RTCPeerConnection.prototype.addTrack = function addTrack() { var sender = origAddTrack.apply(this, arguments); sender._pc = this; return sender; }; } window.RTCRtpSender.prototype.getStats = function getStats() { return this.track ? this._pc.getStats(this.track) : Promise.resolve(new Map()); }; } function shimReceiverGetStats(window) { if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && window.RTCRtpSender)) { return; } if (window.RTCRtpSender && 'getStats' in window.RTCRtpReceiver.prototype) { return; } var origGetReceivers = window.RTCPeerConnection.prototype.getReceivers; if (origGetReceivers) { window.RTCPeerConnection.prototype.getReceivers = function getReceivers() { var _this2 = this; var receivers = origGetReceivers.apply(this, []); receivers.forEach(function (receiver) { return receiver._pc = _this2; }); return receivers; }; } utils.wrapPeerConnectionEvent(window, 'track', function (e) { e.receiver._pc = e.srcElement; return e; }); window.RTCRtpReceiver.prototype.getStats = function getStats() { return this._pc.getStats(this.track); }; } function shimRemoveStream(window) { if (!window.RTCPeerConnection || 'removeStream' in window.RTCPeerConnection.prototype) { return; } window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) { var _this3 = this; utils.deprecated('removeStream', 'removeTrack'); this.getSenders().forEach(function (sender) { if (sender.track && stream.getTracks().includes(sender.track)) { _this3.removeTrack(sender); } }); }; } function shimRTCDataChannel(window) { // rename DataChannel to RTCDataChannel (native fix in FF60): // https://bugzilla.mozilla.org/show_bug.cgi?id=1173851 if (window.DataChannel && !window.RTCDataChannel) { window.RTCDataChannel = window.DataChannel; } } function shimAddTransceiver(window) { // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647 // Firefox ignores the init sendEncodings options passed to addTransceiver // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918 if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection)) { return; } var origAddTransceiver = window.RTCPeerConnection.prototype.addTransceiver; if (origAddTransceiver) { window.RTCPeerConnection.prototype.addTransceiver = function addTransceiver() { this.setParametersPromises = []; 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) || // Avoid being fooled by patched getParameters() below. params.encodings.length === 1 && Object.keys(params.encodings[0]).length === 0) { params.encodings = initParameters.sendEncodings; sender.sendEncodings = initParameters.sendEncodings; this.setParametersPromises.push(sender.setParameters(params).then(function () { delete sender.sendEncodings; })["catch"](function () { delete sender.sendEncodings; })); } } return transceiver; }; } } function shimGetParameters(window) { if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCRtpSender)) { return; } var origGetParameters = window.RTCRtpSender.prototype.getParameters; if (origGetParameters) { window.RTCRtpSender.prototype.getParameters = function getParameters() { var params = origGetParameters.apply(this, arguments); if (!('encodings' in params)) { params.encodings = [].concat(this.sendEncodings || [{}]); } return params; }; } } function shimCreateOffer(window) { // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647 // Firefox ignores the init sendEncodings options passed to addTransceiver // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918 if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection)) { return; } var origCreateOffer = window.RTCPeerConnection.prototype.createOffer; window.RTCPeerConnection.prototype.createOffer = function createOffer() { var _this4 = this, _arguments2 = arguments; if (this.setParametersPromises && this.setParametersPromises.length) { return Promise.all(this.setParametersPromises).then(function () { return origCreateOffer.apply(_this4, _arguments2); })["finally"](function () { _this4.setParametersPromises = []; }); } return origCreateOffer.apply(this, arguments); }; } function shimCreateAnswer(window) { // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647 // Firefox ignores the init sendEncodings options passed to addTransceiver // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918 if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection)) { return; } var origCreateAnswer = window.RTCPeerConnection.prototype.createAnswer; window.RTCPeerConnection.prototype.createAnswer = function createAnswer() { var _this5 = this, _arguments3 = arguments; if (this.setParametersPromises && this.setParametersPromises.length) { return Promise.all(this.setParametersPromises).then(function () { return origCreateAnswer.apply(_this5, _arguments3); })["finally"](function () { _this5.setParametersPromises = []; }); } return origCreateAnswer.apply(this, arguments); }; } },{"../utils":25,"./getdisplaymedia":22,"./getusermedia":23}],22:[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); }; } },{}],23:[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'; function _typeof2(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof2 = function _typeof2(obj) { return typeof obj; }; } else { _typeof2 = function _typeof2(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof2(obj); } Object.defineProperty(exports, "__esModule", { value: true }); var _typeof = typeof Symbol === "function" && _typeof2(Symbol.iterator) === "symbol" ? function (obj) { return _typeof2(obj); } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : _typeof2(obj); }; exports.shimGetUserMedia = shimGetUserMedia; var _utils = require('../utils'); var utils = _interopRequireWildcard(_utils); function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj["default"] = obj; return newObj; } } function shimGetUserMedia(window, browserDetails) { var navigator = window && window.navigator; var MediaStreamTrack = window && window.MediaStreamTrack; navigator.getUserMedia = function (constraints, onSuccess, onError) { // Replace Firefox 44+'s deprecation warning with unprefixed version. utils.deprecated('navigator.getUserMedia', 'navigator.mediaDevices.getUserMedia'); navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError); }; if (!(browserDetails.version > 55 && 'autoGainControl' in navigator.mediaDevices.getSupportedConstraints())) { var remap = function remap(obj, a, b) { if (a in obj && !(b in obj)) { obj[b] = obj[a]; delete obj[a]; } }; var nativeGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices); navigator.mediaDevices.getUserMedia = function (c) { if ((typeof c === 'undefined' ? 'undefined' : _typeof(c)) === 'object' && _typeof(c.audio) === 'object') { c = JSON.parse(JSON.stringify(c)); remap(c.audio, 'autoGainControl', 'mozAutoGainControl'); remap(c.audio, 'noiseSuppression', 'mozNoiseSuppression'); } return nativeGetUserMedia(c); }; if (MediaStreamTrack && MediaStreamTrack.prototype.getSettings) { var nativeGetSettings = MediaStreamTrack.prototype.getSettings; MediaStreamTrack.prototype.getSettings = function () { var obj = nativeGetSettings.apply(this, arguments); remap(obj, 'mozAutoGainControl', 'autoGainControl'); remap(obj, 'mozNoiseSuppression', 'noiseSuppression'); return obj; }; } if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) { var nativeApplyConstraints = MediaStreamTrack.prototype.applyConstraints; MediaStreamTrack.prototype.applyConstraints = function (c) { if (this.kind === 'audio' && (typeof c === 'undefined' ? 'undefined' : _typeof(c)) === 'object') { c = JSON.parse(JSON.stringify(c)); remap(c, 'autoGainControl', 'mozAutoGainControl'); remap(c, 'noiseSuppression', 'mozNoiseSuppression'); } return nativeApplyConstraints.apply(this, [c]); }; } } } },{"../utils":25}],24:[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'; function _typeof2(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof2 = function _typeof2(obj) { return typeof obj; }; } else { _typeof2 = function _typeof2(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof2(obj); } Object.defineProperty(exports, "__esModule", { value: true }); var _typeof = typeof Symbol === "function" && _typeof2(Symbol.iterator) === "symbol" ? function (obj) { return _typeof2(obj); } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : _typeof2(obj); }; exports.shimLocalStreamsAPI = shimLocalStreamsAPI; exports.shimRemoteStreamsAPI = shimRemoteStreamsAPI; exports.shimCallbacksAPI = shimCallbacksAPI; exports.shimGetUserMedia = shimGetUserMedia; exports.shimConstraints = shimConstraints; exports.shimRTCIceServerUrls = shimRTCIceServerUrls; exports.shimTrackEventTransceiver = shimTrackEventTransceiver; exports.shimCreateOfferLegacy = shimCreateOfferLegacy; exports.shimAudioContext = shimAudioContext; var _utils = require('../utils'); var utils = _interopRequireWildcard(_utils); function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj["default"] = obj; return newObj; } } function shimLocalStreamsAPI(window) { if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) { return; } if (!('getLocalStreams' in window.RTCPeerConnection.prototype)) { window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() { if (!this._localStreams) { this._localStreams = []; } return this._localStreams; }; } if (!('addStream' in window.RTCPeerConnection.prototype)) { var _addTrack = window.RTCPeerConnection.prototype.addTrack; window.RTCPeerConnection.prototype.addStream = function addStream(stream) { var _this = this; if (!this._localStreams) { this._localStreams = []; } if (!this._localStreams.includes(stream)) { this._localStreams.push(stream); } // Try to emulate Chrome's behaviour of adding in audio-video order. // Safari orders by track id. stream.getAudioTracks().forEach(function (track) { return _addTrack.call(_this, track, stream); }); stream.getVideoTracks().forEach(function (track) { return _addTrack.call(_this, track, stream); }); }; window.RTCPeerConnection.prototype.addTrack = function addTrack(track) { var _this2 = this; for (var _len = arguments.length, streams = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { streams[_key - 1] = arguments[_key]; } if (streams) { streams.forEach(function (stream) { if (!_this2._localStreams) { _this2._localStreams = [stream]; } else if (!_this2._localStreams.includes(stream)) { _this2._localStreams.push(stream); } }); } return _addTrack.apply(this, arguments); }; } if (!('removeStream' in window.RTCPeerConnection.prototype)) { window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) { var _this3 = this; if (!this._localStreams) { this._localStreams = []; } var index = this._localStreams.indexOf(stream); if (index === -1) { return; } this._localStreams.splice(index, 1); var tracks = stream.getTracks(); this.getSenders().forEach(function (sender) { if (tracks.includes(sender.track)) { _this3.removeTrack(sender); } }); }; } } function shimRemoteStreamsAPI(window) { if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) { return; } if (!('getRemoteStreams' in window.RTCPeerConnection.prototype)) { window.RTCPeerConnection.prototype.getRemoteStreams = function getRemoteStreams() { return this._remoteStreams ? this._remoteStreams : []; }; } if (!('onaddstream' in window.RTCPeerConnection.prototype)) { Object.defineProperty(window.RTCPeerConnection.prototype, 'onaddstream', { get: function get() { return this._onaddstream; }, set: function set(f) { var _this4 = this; if (this._onaddstream) { this.removeEventListener('addstream', this._onaddstream); this.removeEventListener('track', this._onaddstreampoly); } this.addEventListener('addstream', this._onaddstream = f); this.addEventListener('track', this._onaddstreampoly = function (e) { e.streams.forEach(function (stream) { if (!_this4._remoteStreams) { _this4._remoteStreams = []; } if (_this4._remoteStreams.includes(stream)) { return; } _this4._remoteStreams.push(stream); var event = new Event('addstream'); event.stream = stream; _this4.dispatchEvent(event); }); }); } }); var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription; window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() { var pc = this; if (!this._onaddstreampoly) { this.addEventListener('track', this._onaddstreampoly = function (e) { e.streams.forEach(function (stream) { if (!pc._remoteStreams) { pc._remoteStreams = []; } if (pc._remoteStreams.indexOf(stream) >= 0) { return; } pc._remoteStreams.push(stream); var event = new Event('addstream'); event.stream = stream; pc.dispatchEvent(event); }); }); } return origSetRemoteDescription.apply(pc, arguments); }; } } function shimCallbacksAPI(window) { if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) { return; } var prototype = window.RTCPeerConnection.prototype; var origCreateOffer = prototype.createOffer; var origCreateAnswer = prototype.createAnswer; var setLocalDescription = prototype.setLocalDescription; var setRemoteDescription = prototype.setRemoteDescription; var addIceCandidate = prototype.addIceCandidate; prototype.createOffer = function createOffer(successCallback, failureCallback) { var options = arguments.length >= 2 ? arguments[2] : arguments[0]; var promise = origCreateOffer.apply(this, [options]); if (!failureCallback) { return promise; } promise.then(successCallback, failureCallback); return Promise.resolve(); }; prototype.createAnswer = function createAnswer(successCallback, failureCallback) { var options = arguments.length >= 2 ? arguments[2] : arguments[0]; var promise = origCreateAnswer.apply(this, [options]); if (!failureCallback) { return promise; } promise.then(successCallback, failureCallback); return Promise.resolve(); }; var withCallback = function withCallback(description, successCallback, failureCallback) { var promise = setLocalDescription.apply(this, [description]); if (!failureCallback) { return promise; } promise.then(successCallback, failureCallback); return Promise.resolve(); }; prototype.setLocalDescription = withCallback; withCallback = function withCallback(description, successCallback, failureCallback) { var promise = setRemoteDescription.apply(this, [description]); if (!failureCallback) { return promise; } promise.then(successCallback, failureCallback); return Promise.resolve(); }; prototype.setRemoteDescription = withCallback; withCallback = function withCallback(candidate, successCallback, failureCallback) { var promise = addIceCandidate.apply(this, [candidate]); if (!failureCallback) { return promise; } promise.then(successCallback, failureCallback); return Promise.resolve(); }; prototype.addIceCandidate = withCallback; } function shimGetUserMedia(window) { var navigator = window && window.navigator; if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) { // shim not needed in Safari 12.1 var mediaDevices = navigator.mediaDevices; var _getUserMedia = mediaDevices.getUserMedia.bind(mediaDevices); navigator.mediaDevices.getUserMedia = function (constraints) { return _getUserMedia(shimConstraints(constraints)); }; } if (!navigator.getUserMedia && navigator.mediaDevices && navigator.mediaDevices.getUserMedia) { navigator.getUserMedia = function getUserMedia(constraints, cb, errcb) { navigator.mediaDevices.getUserMedia(constraints).then(cb, errcb); }.bind(navigator); } } function shimConstraints(constraints) { if (constraints && constraints.video !== undefined) { return Object.assign({}, constraints, { video: utils.compactObject(constraints.video) }); } return constraints; } function shimRTCIceServerUrls(window) { if (!window.RTCPeerConnection) { return; } // migrate from non-spec RTCIceServer.url to RTCIceServer.urls var OrigPeerConnection = window.RTCPeerConnection; window.RTCPeerConnection = function RTCPeerConnection(pcConfig, pcConstraints) { if (pcConfig && pcConfig.iceServers) { var newIceServers = []; for (var i = 0; i < pcConfig.iceServers.length; i++) { var server = pcConfig.iceServers[i]; if (!server.hasOwnProperty('urls') && server.hasOwnProperty('url')) { utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls'); server = JSON.parse(JSON.stringify(server)); server.urls = server.url; delete server.url; newIceServers.push(server); } else { newIceServers.push(pcConfig.iceServers[i]); } } pcConfig.iceServers = newIceServers; } return new OrigPeerConnection(pcConfig, pcConstraints); }; window.RTCPeerConnection.prototype = OrigPeerConnection.prototype; // wrap static methods. Currently just generateCertificate. if ('generateCertificate' in OrigPeerConnection) { Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', { get: function get() { return OrigPeerConnection.generateCertificate; } }); } } function shimTrackEventTransceiver(window) { // Add event.transceiver member over deprecated event.receiver if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCTrackEvent && 'receiver' in window.RTCTrackEvent.prototype && !('transceiver' in window.RTCTrackEvent.prototype)) { Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', { get: function get() { return { receiver: this.receiver }; } }); } } function shimCreateOfferLegacy(window) { var origCreateOffer = window.RTCPeerConnection.prototype.createOffer; window.RTCPeerConnection.prototype.createOffer = function createOffer(offerOptions) { if (offerOptions) { if (typeof offerOptions.offerToReceiveAudio !== 'undefined') { // support bit values offerOptions.offerToReceiveAudio = !!offerOptions.offerToReceiveAudio; } var audioTransceiver = this.getTransceivers().find(function (transceiver) { return transceiver.receiver.track.kind === 'audio'; }); if (offerOptions.offerToReceiveAudio === false && audioTransceiver) { if (audioTransceiver.direction === 'sendrecv') { if (audioTransceiver.setDirection) { audioTransceiver.setDirection('sendonly'); } else { audioTransceiver.direction = 'sendonly'; } } else if (audioTransceiver.direction === 'recvonly') { if (audioTransceiver.setDirection) { audioTransceiver.setDirection('inactive'); } else { audioTransceiver.direction = 'inactive'; } } } else if (offerOptions.offerToReceiveAudio === true && !audioTransceiver) { this.addTransceiver('audio'); } 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); }; } function shimAudioContext(window) { if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || window.AudioContext) { return; } window.AudioContext = window.webkitAudioContext; } },{"../utils":25}],25:[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'; function _typeof2(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof2 = function _typeof2(obj) { return typeof obj; }; } else { _typeof2 = function _typeof2(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof2(obj); } Object.defineProperty(exports, "__esModule", { value: true }); var _typeof = typeof Symbol === "function" && _typeof2(Symbol.iterator) === "symbol" ? function (obj) { return _typeof2(obj); } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : _typeof2(obj); }; exports.extractVersion = extractVersion; exports.wrapPeerConnectionEvent = wrapPeerConnectionEvent; exports.disableLog = disableLog; exports.disableWarnings = disableWarnings; exports.log = log; exports.deprecated = deprecated; exports.detectBrowser = detectBrowser; exports.compactObject = compactObject; exports.walkStats = walkStats; exports.filterStats = filterStats; function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } var logDisabled_ = true; var deprecationWarnings_ = true; /** * Extract browser version out of the provided user agent string. * * @param {!string} uastring userAgent string. * @param {!string} expr Regular expression used as match criteria. * @param {!number} pos position in the version string to be returned. * @return {!number} browser version. */ function extractVersion(uastring, expr, pos) { var match = uastring.match(expr); return match && match.length >= pos && parseInt(match[pos], 10); } // Wraps the peerconnection event eventNameToWrap in a function // which returns the modified event object (or false to prevent // the event). function wrapPeerConnectionEvent(window, eventNameToWrap, wrapper) { if (!window.RTCPeerConnection) { return; } var proto = window.RTCPeerConnection.prototype; var nativeAddEventListener = proto.addEventListener; proto.addEventListener = function (nativeEventName, cb) { if (nativeEventName !== eventNameToWrap) { return nativeAddEventListener.apply(this, arguments); } var wrappedCallback = function wrappedCallback(e) { var modifiedEvent = wrapper(e); if (modifiedEvent) { if (cb.handleEvent) { cb.handleEvent(modifiedEvent); } else { cb(modifiedEvent); } } }; this._eventMap = this._eventMap || {}; if (!this._eventMap[eventNameToWrap]) { this._eventMap[eventNameToWrap] = new Map(); } this._eventMap[eventNameToWrap].set(cb, wrappedCallback); return nativeAddEventListener.apply(this, [nativeEventName, wrappedCallback]); }; var nativeRemoveEventListener = proto.removeEventListener; proto.removeEventListener = function (nativeEventName, cb) { if (nativeEventName !== eventNameToWrap || !this._eventMap || !this._eventMap[eventNameToWrap]) { return nativeRemoveEventListener.apply(this, arguments); } if (!this._eventMap[eventNameToWrap].has(cb)) { return nativeRemoveEventListener.apply(this, arguments); } var unwrappedCb = this._eventMap[eventNameToWrap].get(cb); this._eventMap[eventNameToWrap]["delete"](cb); if (this._eventMap[eventNameToWrap].size === 0) { delete this._eventMap[eventNameToWrap]; } if (Object.keys(this._eventMap).length === 0) { delete this._eventMap; } return nativeRemoveEventListener.apply(this, [nativeEventName, unwrappedCb]); }; Object.defineProperty(proto, 'on' + eventNameToWrap, { get: function get() { return this['_on' + eventNameToWrap]; }, set: function set(cb) { if (this['_on' + eventNameToWrap]) { this.removeEventListener(eventNameToWrap, this['_on' + eventNameToWrap]); delete this['_on' + eventNameToWrap]; } if (cb) { this.addEventListener(eventNameToWrap, this['_on' + eventNameToWrap] = cb); } }, enumerable: true, configurable: true }); } function disableLog(bool) { if (typeof bool !== 'boolean') { return new Error('Argument type: ' + (typeof bool === 'undefined' ? 'undefined' : _typeof(bool)) + '. Please use a boolean.'); } logDisabled_ = bool; return bool ? 'adapter.js logging disabled' : 'adapter.js logging enabled'; } /** * Disable or enable deprecation warnings * @param {!boolean} bool set to true to disable warnings. */ function disableWarnings(bool) { if (typeof bool !== 'boolean') { return new Error('Argument type: ' + (typeof bool === 'undefined' ? 'undefined' : _typeof(bool)) + '. Please use a boolean.'); } deprecationWarnings_ = !bool; return 'adapter.js deprecation warnings ' + (bool ? 'disabled' : 'enabled'); } function log() { if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object') { if (logDisabled_) { return; } if (typeof console !== 'undefined' && typeof console.log === 'function') { console.log.apply(console, arguments); } } } /** * Shows a deprecation warning suggesting the modern and spec-compatible API. */ function deprecated(oldMethod, newMethod) { if (!deprecationWarnings_) { return; } console.warn(oldMethod + ' is deprecated, please use ' + newMethod + ' instead.'); } /** * Browser detector. * * @return {object} result containing browser and version * properties. */ function detectBrowser(window) { // Returned result object. var result = { browser: null, version: null }; // Fail early if it's not a browser if (typeof window === 'undefined' || !window.navigator) { result.browser = 'Not a browser.'; return result; } var navigator = window.navigator; if (navigator.mozGetUserMedia) { // Firefox. result.browser = 'firefox'; result.version = extractVersion(navigator.userAgent, /Firefox\/(\d+)\./, 1); } else if (navigator.webkitGetUserMedia || window.isSecureContext === false && window.webkitRTCPeerConnection && !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; } },{}],26:[function(require,module,exports){ 'use strict'; /** * @namespace Flashphoner.constants.SESSION_STATUS * @see Session */ var sessionStatus = {}; /** * Fires when {@link Session} ws socket opens. * @event CONNECTED * @memberof Flashphoner.constants.SESSION_STATUS */ define(sessionStatus, 'CONNECTED', 'CONNECTED'); /** * Fires when {@link Session} receives connect ack from REST App. * @event ESTABLISHED * @memberof Flashphoner.constants.SESSION_STATUS */ define(sessionStatus, 'ESTABLISHED', 'ESTABLISHED'); /** * Fires when {@link Session} disconnects. * @event DISCONNECTED * @memberof Flashphoner.constants.SESSION_STATUS */ define(sessionStatus, 'DISCONNECTED', 'DISCONNECTED'); /** * Fires if {@link Session} call of rest method error. * @event WARN * @memberof Flashphoner.constants.SESSION_STATUS */ define(sessionStatus, 'WARN', 'WARN'); /** * Fires if {@link Session} connection failed. * Some of the reasons can be network connection failed, REST App failed * @event FAILED * @memberof Flashphoner.constants.SESSION_STATUS */ define(sessionStatus, 'FAILED', 'FAILED'); /** * Fires wneh {@link Session} receives debug event * @event DEBUG * @memberof Flashphoner.constants.SESSION_STATUS */ define(sessionStatus, 'DEBUG', 'DEBUG'); /** * Fires when {@link Session} receives custom REST App message. * * @event APP_DATA * @memberof Flashphoner.constants.SESSION_STATUS */ define(sessionStatus, 'APP_DATA', 'APP_DATA'); /** * Fires when {@link Session} receives status of sendData operation. * * @event SEND_DATA_STATUS * @memberof Flashphoner.constants.SESSION_STATUS */ define(sessionStatus, 'SEND_DATA_STATUS', 'SEND_DATA_STATUS'); //State of newly created Session define(sessionStatus, 'PENDING', 'PENDING'); /** * Fires when {@link Session} registers as sip client. * * @event APP_DATA * @memberof Flashphoner.constants.SESSION_STATUS */ define(sessionStatus, 'REGISTERED', 'REGISTERED'); /** * Fires when {@link Session} unregisters as sip client. * * @event APP_DATA * @memberof Flashphoner.constants.SESSION_STATUS */ define(sessionStatus, 'UNREGISTERED', 'UNREGISTERED'); define(sessionStatus, 'INCOMING_CALL', 'INCOMING_CALL'); /** * @namespace Flashphoner.constants.STREAM_STATUS * @see Stream */ var streamStatus = {}; //State of newly created Stream define(streamStatus, 'NEW', 'NEW'); //State between publish/play and server response define(streamStatus, 'PENDING', 'PENDING'); /** * Fires when {@link Stream} starts publishing. * @event PUBLISHING * @memberof Flashphoner.constants.STREAM_STATUS */ define(streamStatus, 'PUBLISHING', 'PUBLISHING'); /** * Fires when {@link Stream} starts playing. * @event PLAYING * @memberof Flashphoner.constants.STREAM_STATUS */ define(streamStatus, 'PLAYING', 'PLAYING'); /** * Fires if {@link Stream} paused. * @event PAUSED * @memberof Flashphoner.constants.STREAM_STATUS */ define(streamStatus, 'PAUSED', 'PAUSED'); /** * Fires if {@link Stream} was unpublished. * @event UNPUBLISHING * @memberof Flashphoner.constants.STREAM_STATUS */ define(streamStatus, 'UNPUBLISHED', 'UNPUBLISHED'); /** * Fires if {@link Stream} was stopped. * @event STOPPED * @memberof Flashphoner.constants.STREAM_STATUS */ define(streamStatus, 'STOPPED', 'STOPPED'); /** * Fires if {@link Stream} failed. * @event FAILED * @memberof Flashphoner.constants.STREAM_STATUS */ define(streamStatus, 'FAILED', 'FAILED'); /** * Fires if {@link Stream} playback problem. * @event PLAYBACK_PROBLEM * @memberof Flashphoner.constants.STREAM_STATUS */ define(streamStatus, 'PLAYBACK_PROBLEM', 'PLAYBACK_PROBLEM'); /** * Fires if {@link Stream} resize. * @event RESIZE * @memberof Flashphoner.constants.STREAM_STATUS */ define(streamStatus, 'RESIZE', 'RESIZE'); /** * Fires when {@link Stream} snapshot becomes available. * Snapshot is base64 encoded png available through {@link Stream.getInfo} * @event SNAPSHOT_COMPLETE * @memberof Flashphoner.constants.STREAM_STATUS */ define(streamStatus, 'SNAPSHOT_COMPLETE', 'SNAPSHOT_COMPLETE'); /** * Fires on subscribe {@link Stream} if bitrate is higher than available network bandwidth. * @event NOT_ENOUGH_BANDWIDTH * @memberof Flashphoner.constants.NOT_ENOUGH_BANDWIDTH */ define(streamStatus, 'NOT_ENOUGH_BANDWIDTH', 'NOT_ENOUGH_BANDWIDTH'); /** * @namespace Flashphoner.constants.CALL_STATUS * @see Call */ var callStatus = {}; //State of newly created Call define(callStatus, 'NEW', 'NEW'); define(callStatus, 'RING', 'RING'); define(callStatus, 'RING_MEDIA', 'RING_MEDIA'); define(callStatus, 'HOLD', 'HOLD'); define(callStatus, 'ESTABLISHED', 'ESTABLISHED'); define(callStatus, 'FINISH', 'FINISH'); define(callStatus, 'BUSY', 'BUSY'); define(callStatus, 'SESSION_PROGRESS', 'SESSION_PROGRESS'); define(callStatus, 'FAILED', 'FAILED'); define(callStatus, 'PENDING', 'PENDING'); define(callStatus, 'TRYING', 'TRYING'); /** * @namespace Flashphoner.constants.STREAM_STATUS_INFO * @see Stream */ var streamStatusInfo = {}; /** * Indicates general error during ICE negotiation. Usually occurs if client is behind some exotic nat/firewall. * @event FAILED_BY_ICE_ERROR * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'FAILED_BY_ICE_ERROR', 'Failed by ICE error'); /** * Timeout has been reached during ICE establishment. * @event FAILED_BY_ICE_TIMEOUT * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'FAILED_BY_ICE_TIMEOUT', 'Failed by ICE timeout'); /** * ICE refresh failed on session. * @event FAILED_BY_KEEP_ALIVE * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'FAILED_BY_KEEP_ALIVE', 'Failed by ICE keep alive'); /** * DTLS has wrong fingerprint. * @event FAILED_BY_DTLS_FINGERPRINT_ERROR * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'FAILED_BY_DTLS_FINGERPRINT_ERROR', 'Failed by DTLS fingerprint error'); /** * Client did not send DTLS packets or packets were lost/corrupted during transmission. * @event FAILED_BY_DTLS_ERROR * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'FAILED_BY_DTLS_ERROR', 'Failed by DTLS error'); /** * Indicates general HLS packetizer error, can occur during initialization or packetization (wrong input or out of disk space). * @event FAILED_BY_HLS_WRITER_ERROR * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'FAILED_BY_HLS_WRITER_ERROR', 'Failed by HLS writer error'); /** * Indicates general RTMP republishing error, can occur during initialization or rtmp packetization. * @event FAILED_BY_RTMP_WRITER_ERROR * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'FAILED_BY_RTMP_WRITER_ERROR', 'Failed by RTMP writer error'); /** * RTP session failed by RTP activity timer. * @event FAILED_BY_RTP_ACTIVITY * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'FAILED_BY_RTP_ACTIVITY', 'Failed by RTP activity'); /** * Related session was disconnected. * @event STOPPED_BY_SESSION_DISCONNECT * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'STOPPED_BY_SESSION_DISCONNECT', 'Stopped by session disconnect'); /** * Stream was stopped by rest terminate request. * @event STOPPED_BY_REST_TERMINATE * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'STOPPED_BY_REST_TERMINATE', 'Stopped by rest /terminate'); /** * Related publisher stopped its stream or lost connection. * @event STOPPED_BY_PUBLISHER_STOP * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'STOPPED_BY_PUBLISHER_STOP', 'Stopped by publisher stop'); /** * Stop the media session by user after call was finished or unpublish stream. * @event STOPPED_BY_USER * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'STOPPED_BY_USER', 'Stopped by user'); /** * Error occurred on the stream. * @event FAILED_BY_ERROR * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'FAILED_BY_ERROR', 'Failed by error'); /** * Indicates that error occurred during media session creation. This might be SDP parsing error, all ports are busy, wrong session related config etc. * @event FAILED_TO_ADD_STREAM_TO_PROXY * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'FAILED_TO_ADD_STREAM_TO_PROXY', 'Failed to add stream to proxy'); /** * Stopped shapshot distributor. * @event DISTRIBUTOR_STOPPED * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'DISTRIBUTOR_STOPPED', 'Distributor stopped'); /** * Publish stream is not ready, try again later. * @event PUBLISH_STREAM_IS_NOT_READY * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'PUBLISH_STREAM_IS_NOT_READY', 'Publish stream is not ready'); /** * Stream with this name is not found, check the correct of the name. * @event STREAM_NOT_FOUND * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'STREAM_NOT_FOUND', 'Stream not found'); /** * Server already has a publish stream with the same name, try using different one. * @event STREAM_NAME_ALREADY_IN_USE * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'STREAM_NAME_ALREADY_IN_USE', 'Stream name is already in use'); /** * Error indicates that stream object received by server has empty mediaSessionId field. * @event MEDIASESSION_ID_NULL * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'MEDIASESSION_ID_NULL', 'MediaSessionId is null'); /** * Published or subscribed sessions used this MediaSessionId. * @event MEDIASESSION_ID_ALREADY_IN_USE * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'MEDIASESSION_ID_ALREADY_IN_USE', 'MediaSessionId is already in use'); /** * Session is not initialized or terminated on play ordinary stream. * @event SESSION_NOT_READY * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'SESSION_NOT_READY', 'Session not ready'); /** * Actual session does not exist. * @event SESSION_DOES_NOT_EXIST * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'SESSION_DOES_NOT_EXIST', 'Session does not exist'); /** * RTSP has wrong format on play stream, check correct of the RTSP url. * @event RTSP_HAS_WRONG_FORMAT * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'RTSP_HAS_WRONG_FORMAT', 'Rtsp has wrong format'); /** * Failed to play vod stream, this format is not supported. * @event FILE_HAS_WRONG_FORMAT * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'FILE_HAS_WRONG_FORMAT', 'File has wrong format'); /** * Failed to connect to rtsp stream. * @event FAILED_TO_CONNECT_TO_RTSP_STREAM * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'FAILED_TO_CONNECT_TO_RTSP_STREAM', 'Failed to connect to rtsp stream'); /** * Rtsp stream is not found, agent received "404-Not Found". * @event RTSP_STREAM_NOT_FOUND * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'RTSP_STREAM_NOT_FOUND', 'Rtsp stream not found'); /** * On shutdown RTSP agent. * @event RTSPAGENT_SHUTDOWN * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'RTSPAGENT_SHUTDOWN', 'RtspAgent shutdown'); /** * Stream failed * @event STREAM_FAILED * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'STREAM_FAILED', 'Stream failed'); /** * No common codecs on setup track, did not found corresponding trackId->mediaPort. * @event NO_COMMON_CODECS * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'NO_COMMON_CODECS', 'No common codecs'); /** * Bad referenced rtsp link, check for correct, example: rtsp://user:b@[email protected]/stream. * @event BAD_URI * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'BAD_URI', 'Bad URI'); /** * General VOD error, indicates that Exception occurred while reading/processing media file. * @event GOT_EXCEPTION_WHILE_STREAMING_FILE * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'GOT_EXCEPTION_WHILE_STREAMING_FILE', 'Got exception while streaming file'); /** * Requested stream shutdown. * @event REQUESTED_STREAM_SHUTDOWN * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'REQUESTED_STREAM_SHUTDOWN', 'Requested stream shutdown'); /** * Failed to create movie, file can not be read. * @event FAILED_TO_READ_FILE * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'FAILED_TO_READ_FILE', 'Failed to read file'); /** * File does not exist, check filename. * @event FILE_NOT_FOUND * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'FILE_NOT_FOUND', 'File not found'); /** * Server failed to establish websocket connection with origin server. * @event FAILED_TO_CONNECT_TO_ORIGIN_STREAM * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'FAILED_TO_CONNECT_TO_ORIGIN_STREAM', 'Failed to connect to origin stream'); /** * CDN stream not found. * @event CDN_STREAM_NOT_FOUND * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'CDN_STREAM_NOT_FOUND', 'CDN stream not found'); /** * Indicates that provided URL protocol in stream name is invalid. * Valid: vod://file.mp4 * Invalid: dov://file.mp4 * @event FAILED_TO_GET_AGENT_STORAGE * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'FAILED_TO_GET_AGENT_STORAGE', 'Failed to get agent storage'); /** * Shutdown agent servicing origin stream. * @event AGENT_SERVICING_ORIGIN_STREAM_IS_SHUTTING_DOWN * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'AGENT_SERVICING_ORIGIN_STREAM_IS_SHUTTING_DOWN', 'Agent servicing origin stream is shutting down'); /** * Terminated by keep-alive on walk through subscribers. * @event TERMINATED_BY_KEEP_ALIVE * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'TERMINATED_BY_KEEP_ALIVE', 'Terminated by keep-alive'); /** * Transcoding required, but disabled in settings * @event TRANSCODING_REQUIRED_BUT_DISABLED * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'TRANSCODING_REQUIRED_BUT_DISABLED', 'Transcoding required, but disabled'); /** * Access restricted by access list * @event RESTRICTED_ACCESS * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'RESTRICTED_ACCESS', 'Restricted access'); /** * No available transcoders for stream * @event RESTRICTED_ACCESS * @memberof Flashphoner.constants.STREAM_STATUS_INFO */ define(streamStatusInfo, 'NO_AVAILABLE_TRANSCODERS', 'No available transcoders'); /** * @namespace Flashphoner.constants.CALL_STATUS_INFO * @see Call */ var callStatusInfo = {}; /** * Normal call hangup. * @event NORMAL_CALL_CLEARING * @memberof Flashphoner.constants.CALL_STATUS_INFO */ define(callStatusInfo, 'NORMAL_CALL_CLEARING', 'Normal call clearing'); /** * Error occurred on session creation. * @event FAILED_BY_SESSION_CREATION * @memberof Flashphoner.constants.CALL_STATUS_INFO */ define(callStatusInfo, 'FAILED_BY_SESSION_CREATION', 'Failed by session creation'); /** * Failed by error during ICE establishment. * @event FAILED_BY_ICE_ERROR * @memberof Flashphoner.constants.CALL_STATUS_INFO */ define(callStatusInfo, 'FAILED_BY_ICE_ERROR', 'Failed by ICE error'); /** * RTP session failed by RTP activity timer. * @event FAILED_BY_RTP_ACTIVITY * @memberof Flashphoner.constants.CALL_STATUS_INFO */ define(callStatusInfo, 'FAILED_BY_RTP_ACTIVITY', 'Failed by RTP activity'); /** * FF writer was failed on RTMP. * @event FAILED_BY_RTMP_WRITER_ERROR * @memberof Flashphoner.constants.CALL_STATUS_INFO */ define(callStatusInfo, 'FAILED_BY_RTMP_WRITER_ERROR', 'Failed by RTMP writer error'); /** * DTLS wrong fingerprint. * @event FAILED_BY_DTLS_FINGERPRINT_ERROR * @memberof Flashphoner.constants.CALL_STATUS_INFO */ define(callStatusInfo, 'FAILED_BY_DTLS_FINGERPRINT_ERROR', 'Failed by DTLS fingerprint error'); /** * No common codecs in sdp * @event NO_COMMON_CODECS * @memberof Flashphoner.constants.CALL_STATUS_INFO */ define(callStatusInfo, 'NO_COMMON_CODECS', 'No common codecs'); /** * Client did not send DTLS packets or packets were lost/corrupted during transmission. * @event FAILED_BY_DTLS_ERROR * @memberof Flashphoner.constants.CALL_STATUS_INFO */ define(callStatusInfo, 'FAILED_BY_DTLS_ERROR', 'Failed by DTLS error'); /** * Error occurred during call * @event FAILED_BY_ERROR * @memberof Flashphoner.constants.CALL_STATUS_INFO */ define(callStatusInfo, 'FAILED_BY_ERROR', 'Failed by error'); /** * Call failed by request timeout * @event FAILED_BY_REQUEST_TIMEOUT * @memberof Flashphoner.constants.CALL_STATUS_INFO */ define(callStatusInfo, 'FAILED_BY_REQUEST_TIMEOUT', 'Failed by request timeout'); /** * Transcoding required, but disabled in settings * @event TRANSCODING_REQUIRED_BUT_DISABLED * @memberof Flashphoner.constants.CALL_STATUS_INFO */ define(callStatusInfo, 'TRANSCODING_REQUIRED_BUT_DISABLED', 'Transcoding required, but disabled'); /** * @namespace Flashphoner.constants.ERROR_INFO */ var errorInfo = {}; /** * Error if none of MediaProviders available * @event NONE_OF_MEDIAPROVIDERS_AVAILABLE * @memberof Flashphoner.constants.ERROR_INFO */ define(errorInfo, 'NONE_OF_MEDIAPROVIDERS_AVAILABLE', 'None of MediaProviders available'); /** * Error if none of preferred MediaProviders available * @event NONE_OF_PREFERRED_MEDIAPROVIDERS_AVAILABLE * @memberof Flashphoner.constants.ERROR_INFO */ define(errorInfo, 'NONE_OF_PREFERRED_MEDIAPROVIDERS_AVAILABLE', 'None of preferred MediaProviders available'); /** * Error if API is not initialized * @event FLASHPHONER_API_NOT_INITIALIZED * @memberof Flashphoner.constants.ERROR_INFO */ define(errorInfo, 'FLASHPHONER_API_NOT_INITIALIZED', 'Flashphoner API is not initialized'); /** * Error if options.urlServer is not specified * @event OPTIONS_URLSERVER_MUST_BE_PROVIDED * @memberof Flashphoner.constants.ERROR_INFO */ define(errorInfo, 'OPTIONS_URLSERVER_MUST_BE_PROVIDED', 'options.urlServer must be provided'); /** * Error if session state is not REGISTERED * @event INVALID_SESSION_STATE * @memberof Flashphoner.constants.ERROR_INFO */ define(errorInfo, 'INVALID_SESSION_STATE', 'Invalid session state'); /** * Error if no options provided * @event OPTIONS_MUST_BE_PROVIDED * @memberof Flashphoner.constants.ERROR_INFO */ define(errorInfo, 'OPTIONS_MUST_BE_PROVIDED', 'options must be provided'); /** * Error if call status is not {@link Flashphoner.constants.CALL_STATUS.NEW} * @event INVALID_CALL_STATE * @memberof Flashphoner.constants.ERROR_INFO */ define(errorInfo, 'INVALID_CALL_STATE', 'Invalid call state'); /** * Error if event is not specified * @event EVENT_CANT_BE_NULL * @memberof Flashphoner.constants.ERROR_INFO */ define(errorInfo, 'EVENT_CANT_BE_NULL', 'Event can\'t be null'); /** * Error if callback is not a valid function * @event CALLBACK_NEEDS_TO_BE_A_VALID_FUNCTION * @memberof Flashphoner.constants.ERROR_INFO */ define(errorInfo, 'CALLBACK_NEEDS_TO_BE_A_VALID_FUNCTION', 'Callback needs to be a valid function'); /** * Error if session state is not ESTABLISHED * @event INVALID_SESSION_STATE * @memberof Flashphoner.constants.ERROR_INFO */ define(errorInfo, 'INVALID_SESSION_STATE', 'Invalid session state'); /** * Error if options.name is not specified * @event OPTIONS_NAME_MUST_BE_PROVIDED * @memberof Flashphoner.constants.ERROR_INFO */ define(errorInfo, 'OPTIONS_NAME_MUST_BE_PROVIDED', 'options.name must be provided'); /** * Error if number of cams is less than 2 or already used custom stream * @event CAN_NOT_SWITCH_CAM * @memberOf Flashphoner.constants.ERROR_INFO */ define(errorInfo, 'CAN_NOT_SWITCH_CAM', 'Number of cams is less than 2 or already used custom stream'); /** * Error if number of mics is less than 2 or already used custom stream * @event CAN_NOT_SWITCH_MIC * @memberOf Flashphoner.constants.ERROR_INFO */ define(errorInfo, 'CAN_NOT_SWITCH_MIC', 'Number of mics is less than 2 or already used custom stream'); /** * Error if recived local error * @event CAN_NOT_SWITCH_MIC * @memberOf Flashphoner.constants.ERROR_INFO */ define(errorInfo, 'LOCAL_ERROR', 'Local error'); var mediaDeviceKind = {}; define(mediaDeviceKind, 'OUTPUT', 'output'); define(mediaDeviceKind, 'INPUT', 'input'); define(mediaDeviceKind, 'ALL', 'all'); var transportType = {}; define(transportType, 'UDP', 'UDP'); define(transportType, 'TCP', 'TCP'); var connectionQuality = {}; define(connectionQuality, 'PERFECT', 'PERFECT'); define(connectionQuality, 'GOOD', 'GOOD'); define(connectionQuality, 'BAD', 'BAD'); define(connectionQuality, 'UNKNOWN', 'UNKNOWN'); define(connectionQuality, 'UPDATE', 'UPDATE'); var streamEventType = {}; define(streamEventType, 'AUDIO_MUTED', 'audioMuted'); define(streamEventType, 'AUDIO_UNMUTED', 'audioUnmuted'); define(streamEventType, 'VIDEO_MUTED', 'videoMuted'); define(streamEventType, 'VIDEO_UNMUTED', 'videoUnmuted'); define(streamEventType, 'DATA', 'data'); var constants = {}; define(constants, 'SESSION_STATUS', sessionStatus); define(constants, 'STREAM_EVENT_TYPE', streamEventType); define(constants, 'STREAM_EVENT', 'STREAM_EVENT'); define(constants, 'STREAM_STATUS', streamStatus); define(constants, 'CALL_STATUS', callStatus); define(constants, 'STREAM_STATUS_INFO', streamStatusInfo); define(constants, 'CALL_STATUS_INFO', callStatusInfo); define(constants, 'ERROR_INFO', errorInfo); define(constants, 'MEDIA_DEVICE_KIND', mediaDeviceKind); define(constants, 'TRANSPORT_TYPE', transportType); define(constants, 'CONNECTION_QUALITY', connectionQuality); //define helper function define(obj, name, value) { Object.defineProperty(obj, name, { value: value, enumerable: true }); } module.exports = constants; },{}],27:[function(require,module,exports){ 'use strict'; function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } var uuid_v1 = require('uuid/v1'); var constants = require("./constants"); var util = require('./util'); var logger = require('./util').logger; var loggerConf = { push: false, severity: "INFO" }; var Promise = require('promise-polyfill'); var KalmanFilter = require('kalmanjs'); var browserDetails = require('webrtc-adapter')["default"].browserDetails; var LOG_PREFIX = "core"; var isUsingTemasysPlugin = false; /** * @namespace Flashphoner */ var SESSION_STATUS = constants.SESSION_STATUS; var STREAM_EVENT = constants.STREAM_EVENT; var STREAM_EVENT_TYPE = constants.STREAM_EVENT_TYPE; var STREAM_STATUS = constants.STREAM_STATUS; var CALL_STATUS = constants.CALL_STATUS; var TRANSPORT_TYPE = constants.TRANSPORT_TYPE; var CONNECTION_QUALITY = constants.CONNECTION_QUALITY; var ERROR_INFO = constants.ERROR_INFO; var VIDEO_RATE_GOOD_QUALITY_PERCENT_DIFFERENCE = 20; var VIDEO_RATE_BAD_QUALITY_PERCENT_DIFFERENCE = 50; var LOW_VIDEO_RATE_THRESHOLD_BAD_PERFECT = 50000; var LOW_VIDEO_RATE_BAD_QUALITY_PERCENT_DIFFERENCE = 150; var OUTBOUND_VIDEO_RATE = "outboundVideoRate"; var INBOUND_VIDEO_RATE = "inboundVideoRate"; var MediaProvider = {}; var sessions = {}; var initialized = false; var disableConnectionQualityCalculation; /** * Static initializer. * * @param {Object} options Global api options * @param {Function=} options.mediaProvidersReadyCallback Callback of initialized WebRTC Plugin * @param {String=} options.flashMediaProviderSwfLocation Location of media-provider.swf file * @param {string=} options.preferredMediaProvider DEPRECATED: Use preferred media provider if available * @param {Array=} options.preferredMediaProviders Use preferred media providers order * @param {String=} options.receiverLocation Location of WSReceiver.js file * @param {String=} options.decoderLocation Location of video-worker2.js file * @param {String=} options.screenSharingExtensionId Chrome screen sharing extension id * @param {Object=} options.constraints Default local media constraints * @param {Object=} options.logger Enable logging * @throws {Error} Error if none of MediaProviders available * @memberof Flashphoner */ var init = function init(options) { if (!initialized) { if (!options) { options = {}; } loggerConf = options.logger || loggerConf; if (options.logger !== null) { loggerConf.enableLogs = true; } // init logger logger.init(loggerConf.severity || "INFO", loggerConf.push || false, loggerConf.customLogger, loggerConf.enableLogs); var waitingTemasys = false; try { var audioContext = new (window.AudioContext || window.webkitAudioContext)(); } catch (e) { console.warn("Failed to create audio context"); } disableConnectionQualityCalculation = options.disableConnectionQualityCalculation; var webRtcProvider = require("./webrtc-media-provider"); if (webRtcProvider && webRtcProvider.hasOwnProperty('available') && webRtcProvider.available()) { MediaProvider.WebRTC = webRtcProvider; // WCS-2996 Fix audio-video out of sync in case of using Samsung browser var enableGainNode = util.Browser.isSamsungBrowser() || util.Browser.isAndroidFirefox() ? false : options.createMicGainNode; var webRtcConf = { constraints: options.constraints || getDefaultMediaConstraints(), extensionId: options.screenSharingExtensionId, audioContext: audioContext, logger: logger, createMicGainNode: enableGainNode }; webRtcProvider.configure(webRtcConf); } else { webRtcProvider = require("./temasys-media-provider"); if (webRtcProvider && webRtcProvider.hasOwnProperty('available') && AdapterJS) { waitingTemasys = true; AdapterJS.webRTCReady(function (isUsingPlugin) { isUsingTemasysPlugin = isUsingPlugin; if (isUsingPlugin || webRtcProvider.available()) { MediaProvider.WebRTC = webRtcProvider; var webRtcConf = { constraints: options.constraints || getDefaultMediaConstraints(), extensionId: options.screenSharingExtensionId, logger: logger }; webRtcProvider.configure(webRtcConf); // Just reorder media provider list var _MediaProvider = {}; _MediaProvider.WebRTC = MediaProvider.WebRTC; for (var p in MediaProvider) { _MediaProvider[p] = MediaProvider[p]; } MediaProvider = _MediaProvider; } if (options.mediaProvidersReadyCallback) { options.mediaProvidersReadyCallback(Object.keys(MediaProvider)); } }); } } var flashProvider = require("./flash-media-provider"); if (flashProvider && flashProvider.hasOwnProperty('available') && flashProvider.available() && (!MediaProvider.WebRTC || options.preferredMediaProviders && options.preferredMediaProviders.indexOf("Flash") >= 0)) { MediaProvider.Flash = flashProvider; var flashConf = { constraints: options.constraints || getDefaultMediaConstraints(), flashMediaProviderSwfLocation: options.flashMediaProviderSwfLocation, logger: logger }; flashProvider.configure(flashConf); } var mediaSourceMediaProvider = require("./media-source-media-provider"); if (mediaSourceMediaProvider && mediaSourceMediaProvider.hasOwnProperty('available') && mediaSourceMediaProvider.available()) { MediaProvider.MSE = mediaSourceMediaProvider; var mseConf = { audioContext: audioContext, browserDetails: browserDetails.browser }; mediaSourceMediaProvider.configure(mseConf); } var websocketProvider = require("./websocket-media-provider"); if (websocketProvider && websocketProvider.hasOwnProperty('available') && websocketProvider.available(audioContext)) { MediaProvider.WSPlayer = websocketProvider; var wsConf = { receiverLocation: options.receiverLocation, decoderLocation: options.decoderLocation, audioContext: audioContext, logger: logger }; websocketProvider.configure(wsConf); } //check at least 1 provider available if (getMediaProviders().length == 0) { throw new Error('None of MediaProviders available'); } else if (options.preferredMediaProvider) { if (MediaProvider.hasOwnProperty(options.preferredMediaProvider)) { if (getMediaProviders()[0] != options.preferredMediaProvider) { // Just reorder media provider list var _MediaProvider = {}; _MediaProvider[options.preferredMediaProvider] = MediaProvider[options.preferredMediaProvider]; for (var p in MediaProvider) { _MediaProvider[p] = MediaProvider[p]; } MediaProvider = _MediaProvider; } } else { logger.warn(LOG_PREFIX, "Preferred media provider is not available."); } } if (options.preferredMediaProviders && options.preferredMediaProviders.length > 0) { var newMediaProvider = {}; for (var i in options.preferredMediaProviders) { if (options.preferredMediaProviders.hasOwnProperty(i)) { var pMP = options.preferredMediaProviders[i]; if (MediaProvider.hasOwnProperty(pMP)) { newMediaProvider[pMP] = MediaProvider[pMP]; } } } if (util.isEmptyObject(newMediaProvider)) { throw new Error("None of preferred MediaProviders available"); } else { MediaProvider = newMediaProvider; } } if (!waitingTemasys && options.mediaProvidersReadyCallback) { options.mediaProvidersReadyCallback(Object.keys(MediaProvider)); } logger.info(LOG_PREFIX, "Initialized"); initialized = true; } }; /** * Get available MediaProviders. * * @returns {Array} Available MediaProviders * @memberof Flashphoner */ var getMediaProviders = function getMediaProviders() { return Object.keys(MediaProvider); }; /** * Play audio chunk * @param {boolean} noise Use noise in playing * @memberof Flashphoner */ var playFirstSound = function playFirstSound(noise) { var mediaProvider = getMediaProviders()[0]; MediaProvider[mediaProvider].playFirstSound(noise); }; /** * Play video chunk * * @memberof Flashphoner */ var playFirstVideo = function playFirstVideo(display, isLocal, src) { for (var mp in MediaProvider) { return MediaProvider[mp].playFirstVideo(display, isLocal, src); } }; /** * Get logger * * @returns {Object} Logger * @memberof Flashphoner */ var getLogger = function getLogger() { if (!initialized) { console.warn("Initialize API first."); } else { return logger; } }; /** * @typedef Flashphoner.MediaDeviceList * @type Object * @property {Flashphoner.MediaDevice[]} audio Audio devices (microphones) * @property {Flashphoner.MediaDevice[]} video Video devices (cameras) */ /** * @typedef Flashphoner.MediaDevice * @type Object * @property {String} type Type of device: mic, camera, screen * @property {String} id Unique id * @property {String} label Device label */ /** * Get available local media devices * * @param {String=} mediaProvider Media provider that will be asked for device list * @param {Boolean=} labels Ask user for microphone access before getting device list. * This will make device label available. * @param {Flashphoner.constants.MEDIA_DEVICE_KIND} kind Media devices kind to access: * MEDIA_DEVICE_KIND.INPUT (default) get access to input devices only (camera, mic). * MEDIA_DEVICE_KIND.OUTPUT get access to output devices only (speaker, headphone). * MEDIA_DEVICE_KIND.ALL get access to all devices (cam, mic, speaker, headphone). * @param {Object=} deviceConstraints If labels == true. * If {audio: true, video: false}, then access to the camera will not be requested. * If {audio: false, video: true}, then access to the microphone will not be requested. * @returns {Promise.<Flashphoner.MediaDeviceList>} Promise with media device list on fulfill * @throws {Error} Error if API is not initialized * @memberof Flashphoner */ var getMediaDevices = function getMediaDevices(mediaProvider, labels, kind, deviceConstraints) { if (!initialized) { throw new Error("Flashphoner API is not initialized"); } if (!mediaProvider) { mediaProvider = getMediaProviders()[0]; } return MediaProvider[mediaProvider].listDevices(labels, kind, deviceConstraints); }; /** * Get access to local media * * @param {Object} constraints Media constraints * @param {Object} constraints.audio Audio constraints * @param {String=} constraints.audio.deviceId Audio device id * @param {Object} constraints.video Video constraints * @param {String=} constraints.video.deviceId Video device id * @param {number} constraints.video.width Video width * @param {number} constraints.video.height Video height * @param {number} constraints.video.frameRate Video fps * @param {String} constraints.video.type Video device type: camera, screen * @param {String} constraints.video.mediaSource Video source type for FF: screen, window * @param {HTMLElement} display Div element local media should be displayed in * @param {String} mediaProvider Media provider type * @param {Boolean} disableConstraintsNormalization Disable constraints normalization * @returns {Promise.<HTMLElement>} Promise with display on fulfill * @throws {Error} Error if API is not initialized * @memberof Flashphoner */ var getMediaAccess = function getMediaAccess(constraints, display, mediaProvider, disableConstraintsNormalization) { if (!initialized) { throw new Error("Flashphoner API is not initialized"); } if (!mediaProvider) { mediaProvider = getMediaProviders()[0]; } return MediaProvider[mediaProvider].getMediaAccess(constraints, display, disableConstraintsNormalization); }; //default constraints helper //WCS-3016 16:9 ratio var getDefaultMediaConstraints = function getDefaultMediaConstraints() { if (browserDetails.browser == "safari") { return { audio: true, video: { width: { min: 320, max: 640 }, height: { min: 180, max: 360 } } }; } else { return { audio: true, video: { width: 320, height: 240 } }; } }; function getConstraintsProperty(constraints, property, defaultValue) { if (!constraints || !property) return defaultValue; var res; var properties = property.split("."); for (var prop in constraints) { if (prop == properties[0]) { res = constraints[prop]; if (properties.length > 1) res = getConstraintsProperty(constraints[prop], properties[1], defaultValue); } else if (_typeof(constraints[prop]) === "object") { for (var p in constraints[prop]) { if (p == property) res = constraints[prop][p]; } } } if (typeof res === "boolean") return res; return res || defaultValue; } /** * Release local media * * @param {HTMLElement} display Div element with local media * @param {String=} mediaProvider Media provider type * @returns {Boolean} True if media was found and released * @throws {Error} Error if API is not initialized * @memberof Flashphoner */ var releaseLocalMedia = function releaseLocalMedia(display, mediaProvider) { if (!initialized) { throw new Error("Flashphoner API is not initialized"); } if (!mediaProvider) { mediaProvider = getMediaProviders()[0]; } return MediaProvider[mediaProvider].releaseMedia(display); }; /** * Get active sessions. * * @returns {Session[]} Array containing active sessions * @memberof Flashphoner */ var getSessions = function getSessions() { return util.copyObjectToArray(sessions); }; /** * Get session by id. * * @param {string} id Session id * @returns {Session} Session * @memberof Flashphoner */ var getSession = function getSession(id) { return sessions[id]; }; /** * Create new session and connect to server. * * @param {Object} options Session options * @param {string} options.urlServer Server address in form of [ws,wss]://host.domain:port * @param {string} options.authToken Token for auth on server with keepalived client * @param {Boolean=} options.keepAlive Keep alive client on server after disconnect * @param {string=} options.lbUrl Load-balancer address * @param {string=} options.flashProto Flash protocol [rtmp,rtmfp] * @param {Integer=} options.flashPort Flash server port [1935] * @param {string=} options.appKey REST App key * @param {Object=} options.custom User provided custom object that will be available in REST App code * @param {Object=} options.sipOptions Sip configuration * @param {Object=} options.mediaOptions Media connection configuration * @param {Integer=} options.timeout Connection timeout in milliseconds * @returns {Session} Created session * @throws {Error} Error if API is not initialized * @throws {TypeError} Error if options.urlServer is not specified * @memberof Flashphoner */ var createSession = function createSession(options) { if (!initialized) { throw new Error("Flashphoner API is not initialized"); } if (!options || !options.urlServer) { throw new TypeError("options.urlServer must be provided"); } var id_ = uuid_v1(); var sessionStatus = SESSION_STATUS.PENDING; var urlServer = options.urlServer; var lbUrl = options.lbUrl; var flashProto = options.flashProto || "rtmfp"; var flashPort = options.flashPort || 1935; var appKey = options.appKey || "defaultApp"; var mediaOptions = options.mediaOptions; var keepAlive = options.keepAlive; var timeout = options.timeout; var connectionTimeout; var cConfig; //SIP config var sipConfig; if (options.sipOptions) { sipConfig = { sipLogin: options.sipOptions.login, sipAuthenticationName: options.sipOptions.authenticationName, sipPassword: options.sipOptions.password, sipDomain: options.sipOptions.domain, sipOutboundProxy: options.sipOptions.outboundProxy, sipProxy: options.sipOptions.proxy, sipPort: options.sipOptions.port, sipRegisterRequired: options.sipOptions.registerRequired }; } //media provider auth token received from server var authToken = options.authToken; //object for storing new and active streams var streams = {}; var calls = {}; var mediaConnections = {}; //session to stream event callbacks var streamEventRefreshHandlers = {}; //session to stream callbacks var streamRefreshHandlers = {}; //session to call callbacks var callRefreshHandlers = {}; /** * Represents connection to REST App. * Can create and store Streams. * * @see Flashphoner.createSession * @namespace Session */ var session = {}; //callbacks added using session.on() var callbacks = {}; var wsConnection; if (lbUrl) { requestURL(lbUrl); } else { createWS(urlServer); } //todo remove var remoteSdpCache = {}; //Request URL from load-balancer function requestURL(url) { var request = new XMLHttpRequest(); request.open('GET', url, true); request.timeout = 5000; request.ontimeout = function () { logger.warn(LOG_PREFIX, "Timeout during geting url from balancer!"); createWS(urlServer); }; request.error = function () { logger.warn(LOG_PREFIX, "Error during geting url from balancer!"); createWS(urlServer); }; request.onload = function (e) { if (request.status == 200 && request.readyState == 4) { var result = JSON.parse(request.responseText); if (urlServer.indexOf("wss://") !== -1) { urlServer = "wss://" + result.server + ":" + result.wss; } else { urlServer = "ws://" + result.server + ":" + result.ws; } flashPort = result.flash; logger.debug(LOG_PREFIX, "Got url from load balancer " + result.server); createWS(urlServer); } }; request.send(); } //connect session to server function createWS(url) { wsConnection = new WebSocket(url); if (timeout != undefined && timeout > 0) { connectionTimeout = setTimeout(function () { if (wsConnection.readyState == 0) { console.log("WS connection timeout"); wsConnection.close(); } }, timeout); } wsConnection.onerror = function () { onSessionStatusChange(SESSION_STATUS.FAILED); }; wsConnection.onclose = function () { if (sessionStatus !== SESSION_STATUS.FAILED) { onSessionStatusChange(SESSION_STATUS.DISCONNECTED); } }; wsConnection.onopen = function () { onSessionStatusChange(SESSION_STATUS.CONNECTED); clearTimeout(connectionTimeout); cConfig = { appKey: appKey, mediaProviders: Object.keys(MediaProvider), keepAlive: keepAlive, authToken: authToken, clientVersion: "2.0.170", clientOSVersion: window.navigator.appVersion, clientBrowserVersion: window.navigator.userAgent, msePacketizationVersion: 2, custom: options.custom }; if (sipConfig) { util.copyObjectPropsToAnotherObject(sipConfig, cConfig); } //connect to REST App send("connection", cConfig); logger.setConnection(wsConnection); }; wsConnection.onmessage = function (event) { var data = {}; if (event.data instanceof Blob) { data.message = "binaryData"; } else { data = JSON.parse(event.data); var obj = data.data[0]; } switch (data.message) { case 'ping': send("pong", null); break; case 'getUserData': authToken = obj.authToken; cConfig = obj; onSessionStatusChange(SESSION_STATUS.ESTABLISHED, obj); break; case 'setRemoteSDP': var mediaSessionId = data.data[0]; var sdp = data.data[1]; if (streamRefreshHandlers[mediaSessionId]) { //pass server's sdp to stream streamRefreshHandlers[mediaSessionId](null, sdp); } else if (callRefreshHandlers[mediaSessionId]) { //pass server's sdp to call callRefreshHandlers[mediaSessionId](null, sdp); } else { remoteSdpCache[mediaSessionId] = sdp; logger.info(LOG_PREFIX, "Media not found, id " + mediaSessionId); } break; case 'notifyVideoFormat': case 'notifyStreamStatusEvent': if (streamRefreshHandlers[obj.mediaSessionId]) { //update stream status streamRefreshHandlers[obj.mediaSessionId](obj); } break; case 'notifyStreamEvent': if (streamEventRefreshHandlers[obj.mediaSessionId]) { //update stream status streamEventRefreshHandlers[obj.mediaSessionId](obj); } break; case 'DataStatusEvent': restAppCommunicator.resolveData(obj); break; case 'OnDataEvent': if (callbacks[SESSION_STATUS.APP_DATA]) { callbacks[SESSION_STATUS.APP_DATA](obj); } break; case 'fail': if (obj.apiMethod && obj.apiMethod == "StreamStatusEvent") { if (streamRefreshHandlers[obj.id]) { //update stream status streamRefreshHandlers[obj.id](obj); } } if (callbacks[SESSION_STATUS.WARN]) { callbacks[SESSION_STATUS.WARN](obj); } break; case 'registered': onSessionStatusChange(SESSION_STATUS.REGISTERED); break; case 'notifyAudioCodec': // This case for Flash only var mediaSessionId = data.data[0]; var codec = data.data[1]; if (callRefreshHandlers[mediaSessionId]) { callRefreshHandlers[mediaSessionId](null, null, codec); } break; case 'notifyTransferEvent': callRefreshHandlers[obj.callId](null, null, null, obj); break; case 'notifyTryingResponse': case 'hold': case 'ring': case 'talk': case 'finish': if (callRefreshHandlers[obj.callId]) { //update call status callRefreshHandlers[obj.callId](obj); } break; case 'notifyIncomingCall': if (callRefreshHandlers[obj.callId]) { logger.error(LOG_PREFIX, "Call already exists, id " + obj.callId); } if (callbacks[SESSION_STATUS.INCOMING_CALL]) { callbacks[SESSION_STATUS.INCOMING_CALL](createCall(obj)); } else {//todo hangup call } break; case 'notifySessionDebugEvent': logger.info(LOG_PREFIX, "Session debug status " + obj.status); if (callbacks[SESSION_STATUS.DEBUG]) { callbacks[SESSION_STATUS.DEBUG](obj); } break; case 'availableStream': var availableStream = {}; availableStream.mediaSessionId = obj.id; availableStream.available = obj.status; availableStream.reason = obj.info; if (streamRefreshHandlers[availableStream.mediaSessionId]) { streamRefreshHandlers[availableStream.mediaSessionId](availableStream); } break; case OUTBOUND_VIDEO_RATE: case INBOUND_VIDEO_RATE: if (streamRefreshHandlers[obj.mediaSessionId]) { obj.status = data.message; streamRefreshHandlers[obj.mediaSessionId](obj); } break; default: //logger.info(LOG_PREFIX, "Unknown server message " + data.message); } }; } //WebSocket send helper function send(message, data) { wsConnection.send(JSON.stringify({ message: message, data: [data] })); } //Session status update helper function onSessionStatusChange(newStatus, obj) { sessionStatus = newStatus; if (sessionStatus == SESSION_STATUS.DISCONNECTED || sessionStatus == SESSION_STATUS.FAILED) { //remove streams for (var prop in streamRefreshHandlers) { if (streamRefreshHandlers.hasOwnProperty(prop) && typeof streamRefreshHandlers[prop] === 'function') { streamRefreshHandlers[prop]({ status: STREAM_STATUS.FAILED }); } } //remove session from list delete sessions[id_]; } if (callbacks[sessionStatus]) { callbacks[sessionStatus](session, obj); } } /** * @callback sdpHook * @param {Object} sdp Callback options * @param {String} sdp.sdpString Sdp from the server * @returns {String} sdp New sdp */ /** * Create call. * * @param {Object} options Call options * @param {string} options.callee Call remote party id * @param {string=} options.visibleName Call caller visible name * @param {Object} options.constraints Call constraints * @param {string} options.mediaProvider MediaProvider type to use with this call * @param {Boolean=} options.receiveAudio Receive audio * @param {Boolean=} options.receiveVideo Receive video * @param {Boolean=} options.cacheLocalResources Display will contain local video after call release * @param {HTMLElement} options.localVideoDisplay Div element local video should be displayed in * @param {HTMLElement} options.remoteVideoDisplay Div element remote video should be displayed in * @param {Object=} options.custom User provided custom object that will be available in REST App code * @param {Array<string>=} options.stripCodecs Array of codecs which should be stripped from SDP (WebRTC) * @param {Array<string>=} options.sipSDP Array of custom SDP params (ex. bandwidth (b=)) * @param {Array<string>=} options.sipHeaders Array of custom SIP headers * @param {sdpHook} sdpHook The callback that handles sdp from the server * @returns {Call} Call * @throws {TypeError} Error if no options provided * @throws {Error} Error if session state is not REGISTERED * @memberof Session * @inner */ var createCall = function createCall(options) { //check session state if (sessionStatus !== SESSION_STATUS.REGISTERED && sessionStatus !== SESSION_STATUS.ESTABLISHED) { logger.info(LOG_PREFIX, "Status is " + sessionStatus); throw new Error('Invalid session state'); } //check options if (!options) { throw new TypeError("options must be provided"); } var login = appKey == 'clickToCallApp' ? '' : cConfig.sipLogin; var caller_ = options.incoming ? options.caller : login; var callee_ = options.callee; var visibleName_ = options.visibleName || login; var id_ = options.callId || uuid_v1(); var mediaProvider = options.mediaProvider || getMediaProviders()[0]; var mediaConnection; var localDisplay = options.localVideoDisplay; var remoteDisplay = options.remoteVideoDisplay; var info_; var errorInfo_; // Constraints if (options.constraints) { var constraints = options.constraints; } if (options.disableConstraintsNormalization) { var disableConstraintsNormalization = options.disableConstraintsNormalization; } var audioOutputId; var audioProperty = getConstraintsProperty(constraints, "audio", undefined); if (_typeof(audioProperty) === 'object') { audioOutputId = getConstraintsProperty(audioProperty, "outputId", 0); } var stripCodecs = options.stripCodecs || []; // Receive media var receiveAudio = typeof options.receiveAudio !== 'undefined' ? options.receiveAudio : true; var receiveVideo = typeof options.receiveVideo !== 'undefined' ? options.receiveVideo : true; var cacheLocalResources = options.cacheLocalResources; var status_ = CALL_STATUS.NEW; var callbacks = {}; var hasTransferredCall = false; var sdpHook = options.sdpHook; var sipSDP = options.sipSDP; var sipHeaders = options.sipHeaders; /** * Represents sip call. * * @namespace Call * @see Session~createCall */ var call = {}; callRefreshHandlers[id_] = function (callInfo, sdp, codec, transfer) { if (transfer) { if (!mediaConnections[id_]) { mediaConnections[id_] = mediaConnection; } if (transfer.status == "COMPLETED") { delete mediaConnections[id_]; } return; } //transferred call if (!mediaConnection && Object.keys(mediaConnections).length != 0) { for (var mc in mediaConnections) { mediaConnection = mediaConnections[mc]; hasTransferredCall = true; delete mediaConnections[mc]; } } //set audio codec (Flash only) if (codec) { if (mediaProvider == "Flash") { mediaConnection.changeAudioCodec(codec.name); } return; } //set remote sdp if (sdp && sdp !== '') { sdp = sdpHookHandler(sdp, sdpHook); mediaConnection.setRemoteSdp(sdp, hasTransferredCall, id_).then(function () {}); return; } var event = callInfo.status; status_ = event; //release call if (event == CALL_STATUS.FAILED || event == CALL_STATUS.FINISH || event == CALL_STATUS.BUSY) { delete calls[id_]; delete callRefreshHandlers[id_]; if (Object.keys(calls).length == 0) { if (mediaConnection) mediaConnection.close(cacheLocalResources); } } //fire call event if (callbacks[event]) { callbacks[event](call); } }; /** * Initiate outgoing call. * * @throws {Error} Error if call status is not {@link Flashphoner.constants.CALL_STATUS.NEW} * @memberof Call * @name call * @inner */ var call_ = function call_() { if (status_ !== CALL_STATUS.NEW) { throw new Error("Invalid call state"); } status_ = CALL_STATUS.PENDING; var hasAudio = true; //get access to camera MediaProvider[mediaProvider].getMediaAccess(constraints, localDisplay, disableConstraintsNormalization).then(function () { if (status_ == CALL_STATUS.FAILED) { //call failed while we were waiting for media access, release media if (!cacheLocalResources) { releaseLocalMedia(localDisplay, mediaProvider); } return; } //create mediaProvider connection MediaProvider[mediaProvider].createConnection({ id: id_, localDisplay: localDisplay, remoteDisplay: remoteDisplay, authToken: authToken, mainUrl: urlServer, flashProto: flashProto, flashPort: flashPort, bidirectional: true, login: login, constraints: constraints, connectionConfig: mediaOptions, audioOutputId: audioOutputId }).then(function (newConnection) { mediaConnection = newConnection; return mediaConnection.createOffer({ sendAudio: true, sendVideo: true, receiveAudio: receiveAudio, receiveVideo: receiveVideo, stripCodecs: stripCodecs }); }).then(function (offer) { send("call", { callId: id_, incoming: false, hasVideo: offer.hasVideo, hasAudio: offer.hasAudio, status: status_, mediaProvider: mediaProvider, sdp: offer.sdp, sipSDP: sipSDP, caller: login, callee: callee_, custom: options.custom, visibleName: visibleName_ }); }); })["catch"](function (error) { logger.error(LOG_PREFIX, error); status_ = CALL_STATUS.FAILED; info_ = ERROR_INFO.LOCAL_ERROR; errorInfo_ = error.message; callRefreshHandlers[id_]({ status: CALL_STATUS.FAILED }); hangup(); }); }; /** * Hangup call. * * @memberof Call * @inner */ var hangup = function hangup() { if (status_ == CALL_STATUS.NEW) { callRefreshHandlers[id_]({ status: CALL_STATUS.FAILED }); return; } else if (status_ == CALL_STATUS.PENDING) { if (!cacheLocalResources) { releaseLocalMedia(localDisplay, mediaProvider); } callRefreshHandlers[id_]({ status: CALL_STATUS.FAILED }); if (options.incoming) { send("hangup", { callId: id_ }); } return; } send("hangup", { callId: id_ }); //free media provider if (mediaConnection) { mediaConnection.close(cacheLocalResources); } }; /** * @callback sdpHook * @param {Object} sdp Callback options * @param {String} sdp.sdpString Sdp from the server * @returns {String} sdp New sdp */ /** * Answer incoming call. * @param {Object} answerOptions Call options * @param {HTMLElement} answerOptions.localVideoDisplay Div element local video should be displayed in * @param {HTMLElement} answerOptions.remoteVideoDisplay Div element remote video should be displayed in * @param {Boolean=} answerOptions.receiveAudio Receive audio * @param {Boolean=} answerOptions.receiveVideo Receive video * @param {String=} answerOptions.constraints Answer call with constraints * @param {Array<string>=} answerOptions.stripCodecs Array of codecs which should be stripped from SDP (WebRTC) * @param {Array<string>=} answerOptions.sipSDP Array of custom SDP params (ex. bandwidth (b=)) * @param {Array<string>=} answerOptions.sipHeaders Array of custom SIP headers * @param {sdpHook} sdpHook The callback that handles sdp from the server * @throws {Error} Error if call status is not {@link Flashphoner.constants.CALL_STATUS.NEW} * @memberof Call * @name call * @inner */ var answer = function answer(answerOptions) { if (status_ !== CALL_STATUS.NEW && status_ !== CALL_STATUS.RING) { throw new Error("Invalid call state"); } localDisplay = answerOptions.localVideoDisplay; remoteDisplay = answerOptions.remoteVideoDisplay; constraints = answerOptions.constraints || getDefaultMediaConstraints(); status_ = CALL_STATUS.PENDING; var sdp; var sdpHook = answerOptions.sdpHook; sipSDP = answerOptions.sipSDP; sipHeaders = answerOptions.sipHeaders; if (!remoteSdpCache[id_]) { logger.error(LOG_PREFIX, "No remote sdp available"); throw new Error("No remote sdp available"); } else { sdp = sdpHookHandler(remoteSdpCache[id_], sdpHook); delete remoteSdpCache[id_]; } if (util.SDP.matchPrefix(sdp, "m=video").length == 0) { constraints.video = false; } var stripCodecs = answerOptions.stripCodecs || []; var hasAudio = true; //get access to camera MediaProvider[mediaProvider].getMediaAccess(constraints, localDisplay, disableConstraintsNormalization).then(function () { if (status_ == CALL_STATUS.FAILED) { //call failed while we were waiting for media access, release media if (!cacheLocalResources) { releaseLocalMedia(localDisplay, mediaProvider); } return; } //create mediaProvider connection MediaProvider[mediaProvider].createConnection({ id: id_, localDisplay: localDisplay, remoteDisplay: remoteDisplay, authToken: authToken, mainUrl: urlServer, flashProto: flashProto, flashPort: flashPort, bidirectional: true, login: cConfig.sipLogin, constraints: constraints, connectionConfig: mediaOptions, audioOutputId: audioOutputId }).then(function (newConnection) { mediaConnection = newConnection; return mediaConnection.setRemoteSdp(sdp); }).then(function () { return mediaConnection.createAnswer({ receiveAudio: options.receiveAudio, receiveVideo: options.receiveVideo, stripCodecs: stripCodecs }); }).then(function (sdp) { if (status_ != CALL_STATUS.FINISH && status_ != CALL_STATUS.FAILED) { send("answer", { callId: id_, incoming: true, hasVideo: true, hasAudio: hasAudio, status: status_, mediaProvider: mediaProvider, sdp: sdp, sipSDP: sipSDP, caller: cConfig.login, callee: callee_, custom: options.custom }); } else { hangup(); } }); })["catch"](function (error) { logger.error(LOG_PREFIX, error); info_ = ERROR_INFO.LOCAL_ERROR; errorInfo_ = error.message; status_ = CALL_STATUS.FAILED; callRefreshHandlers[id_]({ status: CALL_STATUS.FAILED }); }); }; /** * Get call status. * * @returns {string} One of {@link Flashphoner.constants.CALL_STATUS} * @memberof Call * @inner */ var status = function status() { return status_; }; /** * Get call id. * * @returns {string} Call id * @memberof Call * @inner */ var id = function id() { return id_; }; /** * Get caller id. * * @returns {string} Caller id * @memberof Call * @inner */ var caller = function caller() { return caller_; }; /** * Get callee id. * * @returns {string} Callee id * @memberof Call * @inner */ var callee = function callee() { return callee_; }; /** * Get caller visible name. * * @returns {string} Caller visible name * @memberof Call * @inner */ var visibleName = function visibleName() { return visibleName_; }; /** * Media controls */ /** * Set other oupout audio device * * @param {string} id Id of output device * @memberof Call * @inner */ var setAudioOutputId = function setAudioOutputId(id) { audioOutputId = id; if (mediaConnection && mediaConnection.setAudioOutputId) { return mediaConnection.setAudioOutputId(id); } }; /** * Set volume of remote media * * @param {number} volume Volume between 0 and 100 * @memberof Call * @inner */ var setVolume = function setVolume(volume) { if (mediaConnection) { mediaConnection.setVolume(volume); } }; /** * Get current volume * * @returns {number} Volume or -1 if audio is not available * @memberof Call * @inner */ var getVolume = function getVolume() { if (mediaConnection) { return mediaConnection.getVolume(); } return -1; }; /** * Mute outgoing audio * * @memberof Call * @inner */ var muteAudio = function muteAudio() { if (mediaConnection) { mediaConnection.muteAudio(); } }; /** * Unmute outgoing audio * * @memberof Call * @inner */ var unmuteAudio = function unmuteAudio() { if (mediaConnection) { mediaConnection.unmuteAudio(); } }; /** * Check outgoing audio mute state * * @returns {boolean} True if audio is muted or not available * @memberof Call * @inner */ var isAudioMuted = function isAudioMuted() { if (mediaConnection) { return mediaConnection.isAudioMuted(); } return true; }; /** * Mute outgoing video * * @memberof Call * @inner */ var muteVideo = function muteVideo() { if (mediaConnection) { mediaConnection.muteVideo(); } }; /** * Unmute outgoing video * * @memberof Call * @inner */ var unmuteVideo = function unmuteVideo() { if (mediaConnection) { mediaConnection.unmuteVideo(); } }; /** * Check outgoing video mute state * * @returns {boolean} True if video is muted or not available * @memberof Call * @inner */ var isVideoMuted = function isVideoMuted() { if (mediaConnection) { return mediaConnection.isVideoMuted(); } return true; }; /** * @callback callbackFn * @param {Object} result */ /** * Get statistics * * @param {callbackFn} callbackFn The callback that handles response * @param {Boolean} nativeStats If true, use native browser statistics * @returns {Object} Call audio\video statistics * @memberof Call * @inner */ var getStats = function getStats(callbackFn, nativeStats) { if (mediaConnection) { mediaConnection.getStats(callbackFn, nativeStats); } }; /** * Place call on hold * * @memberof Call * @inner */ var hold = function hold() { send("hold", { callId: id_ }); }; /** * Place call on hold for transfer * * @memberof Call * @inner */ var holdForTransfer = function holdForTransfer() { send("hold", { callId: id_, holdForTransfer: true }); }; /** * Unhold the call * * @memberof Call * @inner */ var unhold = function unhold() { send("unhold", { callId: id_ }); }; /** * Send DTMF * * @param {number} number Number * @param {string=} type DTMF Type (RFC2833, INFO, INFO_RELAY) * @memberof Call * @inner */ var sendDTMF = function sendDTMF(number, type) { send("sendDtmf", { callId: id_, type: type || "RFC2833", dtmf: number }); }; /** * Transfer call * * @param {String} traget Transfer target * @memberof Call * @inner */ var transfer = function transfer(target) { send("transfer", { callId: id_, target: target }); }; /** * Call event callback. * * @callback Call~eventCallback * @param {Call} call Call that corresponds to the event */ /** * Add call event callback. * * @param {string} event One of {@link Flashphoner.constants.CALL_STATUS} events * @param {Call~eventCallback} callback Callback function * @returns {Call} Call callback was attached to * @throws {TypeError} Error if event is not specified * @throws {Error} Error if callback is not a valid function * @memberof Call * @inner */ var on = function on(event, callback) { if (!event) { throw new TypeError("Event can't be null"); } if (!callback || typeof callback !== 'function') { throw new Error("Callback needs to be a valid function"); } callbacks[event] = callback; return call; }; /** * Switch camera in real-time. * Works only with WebRTC * * @memberOf Call * @inner * @throws {Error} Error if call status is not {@link Flashphoner.constants.CALL_STATUS.ESTABLISHED} and not {@link Flashphoner.constants.CALL_STATUS.HOLD} */ var switchCam = function switchCam(deviceId) { if (status_ !== CALL_STATUS.ESTABLISHED && !constraints.video && status_ !== CALL_STATUS.HOLD) { throw new Error('Invalid call state'); } return mediaConnection.switchCam(deviceId); }; /** * Switch mic in real-time. * Works only with WebRTC * * @memberOf Call * @inner * @throws {Error} Error if call status is not {@link Flashphoner.constants.CALL_STATUS.ESTABLISHED} and not {@link Flashphoner.constants.CALL_STATUS.HOLD} */ var switchMic = function switchMic(deviceId) { if (status_ !== CALL_STATUS.ESTABLISHED && status_ !== CALL_STATUS.HOLD) { throw new Error('Invalid call state'); } return mediaConnection.switchMic(deviceId); }; /** * Switch to screen in real-time. * Works only with WebRTC * * @param {String} source Screen sharing source (for firefox) * @param {Boolean} woExtension Screen sharing without extension (for chrome) * @memberOf Call * @inner * @throws {Error} Error if stream status is not {@link Flashphoner.constants.STREAM_STATUS.PUBLISHING} */ var switchToScreen = function switchToScreen(source, woExtension) { if (status_ !== CALL_STATUS.ESTABLISHED && status_ !== CALL_STATUS.HOLD) { throw new Error('Invalid call state'); } return mediaConnection.switchToScreen(source, woExtension); }; /** * Switch to cam in real-time. * Works only with WebRTC * * @memberOf Call * @inner * @throws {Error} Error if stream status is not {@link Flashphoner.constants.STREAM_STATUS.PUBLISHING} */ var switchToCam = function switchToCam() { if (status_ !== CALL_STATUS.ESTABLISHED && status_ !== CALL_STATUS.HOLD) { throw new Error('Invalid call state'); } mediaConnection.switchToCam(); }; /** * Get call info * @returns {string} Info * @memberof Stream * @inner */ var getInfo = function getInfo() { return info_; }; /** * Get stream error info * @returns {string} Error info * @memberof Stream * @inner */ var getErrorInfo = function getErrorInfo() { return errorInfo_; }; call.call = call_; call.answer = answer; call.hangup = hangup; call.id = id; call.getInfo = getInfo; call.getErrorInfo = getErrorInfo; call.status = status; call.getStats = getStats; call.setAudioOutputId = setAudioOutputId; call.setVolume = setVolume; call.getVolume = getVolume; call.muteAudio = muteAudio; call.unmuteAudio = unmuteAudio; call.isAudioMuted = isAudioMuted; call.muteVideo = muteVideo; call.unmuteVideo = unmuteVideo; call.isVideoMuted = isVideoMuted; call.caller = caller; call.callee = callee; call.visibleName = visibleName; call.hold = hold; call.holdForTransfer = holdForTransfer; call.unhold = unhold; call.sendDTMF = sendDTMF; call.transfer = transfer; call.on = on; call.switchCam = switchCam; call.switchMic = switchMic; call.switchToScreen = switchToScreen; call.switchToCam = switchToCam; calls[id_] = call; return call; }; /** * @callback sdpHook * @param {Object} sdp Callback options * @param {String} sdp.sdpString Sdp from the server * @returns {String} sdp New sdp */ /** * Create stream. * * @param {Object} options Stream options * @param {string} options.name Stream name * @param {Object=} options.constraints Stream constraints * @param {Boolean|Object} [options.constraints.audio=true] Specifies if published stream should have audio. Played stream always should have audio: the property should not be set to false in that case. * @param {string=} [options.constraints.audio.outputId] Set width to publish or play stream with this value * @param {Boolean|Object} [options.constraints.video=true] Specifies if published or played stream should have video, or sets video constraints * @param {Integer} [options.constraints.video.width=0] Set width to publish or play stream with this value * @param {Integer} [options.constraints.video.height=0] Set height to publish or play stream with this value * @param {Integer} [options.constraints.video.bitrate=0] DEPRECATED FOR PUBLISH: Set bitrate to publish or play stream with this value * @param {Integer} [options.constraints.video.minBitrate=0] Set minimal bitrate to publish stream with this value * @param {Integer} [options.constraints.video.maxBitrate=0] Set maximal bitrate to publish stream with this value * @param {Integer} [options.constraints.video.quality=0] Set quality to play stream with this value * @param {MediaStream} [options.constraints.customStream] Set a MediaStream for publish stream from canvas. * @param {Boolean=} options.receiveAudio DEPRECATED: Receive audio * @param {Boolean=} options.receiveVideo DEPRECATED: Receive video * @param {Integer=} options.playWidth DEPRECATED: Set width to play stream with this value * @param {Integer=} options.playHeight DEPRECATED: Set height to play stream with this value * @param {string=} options.mediaProvider MediaProvider type to use with this stream * @param {Boolean} [options.record=false] Enable stream recording * @param {Boolean=} options.cacheLocalResources Display will contain local video after stream release * @param {HTMLElement} options.display Div element stream should be displayed in * @param {Object=} options.custom User provided custom object that will be available in REST App code * @param {Integer} [options.flashBufferTime=0] Specifies how long to buffer messages before starting to display the stream (Flash-only) * @param {Array<string>=} options.stripCodecs Array of codecs which should be stripped from SDP (WebRTC) * @param {string=} options.rtmpUrl Rtmp url stream should be forwarded to * @param {Object=} options.mediaConnectionConstraints Stream specific constraints for underlying RTCPeerConnection * @param {Boolean=} options.flashShowFullScreenButton Show full screen button in flash * @param {string=} options.transport Transport to be used by server for WebRTC media, {@link Flashphoner.constants.TRANSPORT_TYPE} * @param {Boolean=} options.cvoExtension Enable rtp video orientation extension * @param {Integer=} options.playoutDelay Time delay between network reception of media and playout * @param {string=} options.useCanvasMediaStream EXPERIMENTAL: when publish bind browser's media stream to the canvas. It can be useful for image filtering * @param {sdpHook} sdpHook The callback that handles sdp from the server * @returns {Stream} Stream * @throws {TypeError} Error if no options provided * @throws {TypeError} Error if options.name is not specified * @throws {Error} Error if session state is not ESTABLISHED * @memberof Session * @inner */ var createStream = function createStream(options) { //Array to transmit promises from stream.available() to streamRefreshHandlers var availableCallbacks = []; //check session state if (sessionStatus !== SESSION_STATUS.ESTABLISHED) { throw new Error('Invalid session state'); } //check options if (!options) { throw new TypeError("options must be provided"); } if (!options.name) { throw new TypeError("options.name must be provided"); } var clientKf = new KalmanFilter(); var serverKf = new KalmanFilter(); var id_ = uuid_v1(); var name_ = options.name; var mediaProvider = options.mediaProvider || getMediaProviders()[0]; var mediaConnection; var display = options.display; // Constraints if (options.constraints && Object.keys(options.constraints).length != 0) { var constraints = options.constraints; } if (options.disableConstraintsNormalization) { var disableConstraintsNormalization = options.disableConstraintsNormalization; } var mediaConnectionConstraints = options.mediaConnectionConstraints; // Receive media var receiveAudio; var audioOutputId; var audioProperty = getConstraintsProperty(constraints, "audio", undefined); if (typeof audioProperty === 'boolean') { receiveAudio = audioProperty; } else if (_typeof(audioProperty) === 'object') { receiveAudio = true; var _stereo = getConstraintsProperty(audioProperty, "stereo", 0); var _bitrate = getConstraintsProperty(audioProperty, "bitrate", 0); var _fec = getConstraintsProperty(audioProperty, "fec", 0); audioOutputId = getConstraintsProperty(audioProperty, "outputId", 0); var _codecOptions = ""; if (_bitrate) _codecOptions += "maxaveragebitrate=" + _bitrate + ";"; if (_stereo) _codecOptions += "stereo=1;sprop-stereo=1;"; if (_fec) _codecOptions += "useinbandfec=1;"; } else { receiveAudio = typeof options.receiveAudio !== 'undefined' ? options.receiveAudio : true; } var receiveVideo; var videoProperty = getConstraintsProperty(constraints, "video", undefined); if (typeof videoProperty === 'boolean') { receiveVideo = videoProperty; } else if (_typeof(videoProperty) === 'object') { receiveVideo = true; } else { receiveVideo = typeof options.receiveVideo !== 'undefined' ? options.receiveVideo : true; } // Bitrate var bitrate = getConstraintsProperty(constraints, "video.bitrate", 0); var minBitrate = getConstraintsProperty(constraints, "video.minBitrate", 0); var maxBitrate = getConstraintsProperty(constraints, "video.maxBitrate", 0); // Quality var quality = getConstraintsProperty(constraints, "video.quality", 0); if (quality > 100) quality = 100; // Play resolution var playWidth = typeof options.playWidth !== 'undefined' ? options.playWidth : getConstraintsProperty(constraints, "video.width", 0); var playHeight = typeof options.playHeight !== 'undefined' ? options.playHeight : getConstraintsProperty(constraints, "video.height", 0); var stripCodecs = options.stripCodecs || []; var resolution = {}; var published_ = false; var record_ = options.record || false; var recordFileName = null; var cacheLocalResources = options.cacheLocalResources; var status_ = STREAM_STATUS.NEW; var rtmpUrl = options.rtmpUrl; var info_; var errorInfo_; var remoteBitrate = -1; var networkBandwidth = -1; var sdpHook = options.sdpHook; var transportType = options.transport; var cvoExtension = options.cvoExtension; var remoteVideo = options.remoteVideo; //callbacks added using stream.on() var callbacks = {}; var playoutDelay = options.playoutDelay; var useCanvasMediaStream = options.useCanvasMediaStream; var audioState_; var videoState_; var connectionQuality; var videoBytes = 0; /** * Represents media stream. * * @namespace Stream * @see Session~createStream */ var stream = {}; streamEventRefreshHandlers[id_] = function (streamEvent) { if (callbacks[STREAM_EVENT]) { callbacks[STREAM_EVENT](streamEvent); } }; streamRefreshHandlers[id_] = function (streamInfo, sdp) { //set remote sdp if (sdp && sdp !== '') { var _sdp = sdp; if (_codecOptions) _sdp = util.SDP.writeFmtp(sdp, _codecOptions, "opus"); _sdp = sdpHookHandler(_sdp, sdpHook); mediaConnection.setRemoteSdp(_sdp).then(function () {}); return; } if (streamInfo.available != undefined) { for (var i = 0; i < availableCallbacks.length; i++) { info_ = streamInfo.reason; if (streamInfo.available == "true") { availableCallbacks[i].resolve(stream); } else { availableCallbacks[i].reject(stream); } } availableCallbacks = []; return; } var event = streamInfo.status; if (event == INBOUND_VIDEO_RATE || event == OUTBOUND_VIDEO_RATE) { detectConnectionQuality(event, streamInfo); return; } if (event == STREAM_STATUS.RESIZE) { resolution.width = streamInfo.streamerVideoWidth; resolution.height = streamInfo.streamerVideoHeight; } else if (event == STREAM_STATUS.SNAPSHOT_COMPLETE) {} else if (event == STREAM_STATUS.NOT_ENOUGH_BANDWIDTH) { var info = streamInfo.info.split("/"); remoteBitrate = info[0]; networkBandwidth = info[1]; } else { status_ = event; } audioState_ = streamInfo.audioState; videoState_ = streamInfo.videoState; if (streamInfo.info) info_ = streamInfo.info; //release stream if (event == STREAM_STATUS.FAILED || event == STREAM_STATUS.STOPPED || event == STREAM_STATUS.UNPUBLISHED) { delete streams[id_]; delete streamRefreshHandlers[id_]; delete streamEventRefreshHandlers[id_]; if (mediaConnection) { mediaConnection.close(cacheLocalResources); } } if (record_ && typeof streamInfo.recordName !== 'undefined') { recordFileName = streamInfo.recordName; } //fire stream event if (callbacks[event]) { callbacks[event](stream); } }; var detectConnectionQuality = function detectConnectionQuality(event, streamInfo) { if (disableConnectionQualityCalculation) { return; } mediaConnection.getStats(function (stats) { var bytesSentReceived = 0; if (stats) { if (event == OUTBOUND_VIDEO_RATE && stats.inboundStream && stats.inboundStream.video && stats.inboundStream.video.bytesReceived > 0) { bytesSentReceived = stats.inboundStream.video.bytesReceived; } else if (stats.outboundStream && stats.outboundStream.video && stats.outboundStream.video.bytesSent > 0) { bytesSentReceived = stats.outboundStream.video.bytesSent; } else { return; } } if (!videoBytes) { videoBytes = bytesSentReceived; return; } var currentVideoRate = (bytesSentReceived - videoBytes) * 8; if (currentVideoRate == 0) { return; } var clientFiltered = clientKf.filter(currentVideoRate); var serverFiltered = serverKf.filter(streamInfo.videoRate); var videoRateDifference = Math.abs((serverFiltered - clientFiltered) / ((serverFiltered + clientFiltered) / 2)) * 100; var currentQuality; if (serverFiltered < LOW_VIDEO_RATE_THRESHOLD_BAD_PERFECT || clientFiltered < LOW_VIDEO_RATE_THRESHOLD_BAD_PERFECT) { if (videoRateDifference > LOW_VIDEO_RATE_BAD_QUALITY_PERCENT_DIFFERENCE) { currentQuality = CONNECTION_QUALITY.BAD; } else { currentQuality = CONNECTION_QUALITY.PERFECT; } } else { if (videoRateDifference > VIDEO_RATE_BAD_QUALITY_PERCENT_DIFFERENCE) { currentQuality = CONNECTION_QUALITY.BAD; } else if (videoRateDifference > VIDEO_RATE_GOOD_QUALITY_PERCENT_DIFFERENCE) { currentQuality = CONNECTION_QUALITY.GOOD; } else { currentQuality = CONNECTION_QUALITY.PERFECT; } } if (callbacks[CONNECTION_QUALITY.UPDATE]) { connectionQuality = currentQuality; callbacks[CONNECTION_QUALITY.UPDATE](connectionQuality, clientFiltered, serverFiltered); } videoBytes = bytesSentReceived; }); return; }; /** * Play stream. * * @throws {Error} Error if stream status is not {@link Flashphoner.constants.STREAM_STATUS.NEW} * @memberof Stream * @inner */ var play = function play() { logger.debug(LOG_PREFIX, "Play stream " + name_); if (status_ !== STREAM_STATUS.NEW) { throw new Error("Invalid stream state"); } status_ = STREAM_STATUS.PENDING; //create mediaProvider connection MediaProvider[mediaProvider].createConnection({ id: id_, display: display, authToken: authToken, mainUrl: urlServer, flashProto: flashProto, flashPort: flashPort, flashBufferTime: options.flashBufferTime || 0, flashShowFullScreenButton: options.flashShowFullScreenButton || false, connectionConfig: mediaOptions, connectionConstraints: mediaConnectionConstraints, audioOutputId: audioOutputId, remoteVideo: remoteVideo, playoutDelay: playoutDelay }, streamRefreshHandlers[id_]).then(function (newConnection) { mediaConnection = newConnection; try { streamRefreshHandlers[id_]({ status: status_ }); } catch (e) { console.warn(e); } return mediaConnection.createOffer({ receiveAudio: receiveAudio, receiveVideo: receiveVideo, stripCodecs: stripCodecs, stereo: _stereo }); }).then(function (offer) { logger.debug(LOG_PREFIX, "Offer SDP:\n" + offer.sdp); //request stream with offer sdp from server send("playStream", { mediaSessionId: id_, name: name_, published: published_, hasVideo: true, hasAudio: true, status: status_, record: false, width: playWidth, height: playHeight, mediaProvider: mediaProvider, sdp: offer.sdp, custom: options.custom, bitrate: bitrate, minBitrate: minBitrate, maxBitrate: maxBitrate, quality: quality, constraints: constraints, transport: transportType, cvoExtension: cvoExtension }); if (offer.player) { offer.player.play(id_); } })["catch"](function (error) { //todo fire stream failed status throw error; }); }; /** * Publish stream. * * @throws {Error} Error if stream status is not {@link Flashphoner.constants.STREAM_STATUS.NEW} * @memberof Stream * @inner */ var publish = function publish() { logger.debug(LOG_PREFIX, "Publish stream " + name_); if (status_ !== STREAM_STATUS.NEW) { throw new Error("Invalid stream state"); } status_ = STREAM_STATUS.PENDING; published_ = true; var hasAudio = true; if (constraints && constraints.video && constraints.video.type && constraints.video.type == "screen") { hasAudio = false; } //get access to camera MediaProvider[mediaProvider].getMediaAccess(constraints, display, disableConstraintsNormalization, useCanvasMediaStream).then(function () { if (status_ == STREAM_STATUS.FAILED) { //stream failed while we were waiting for media access, release media if (!cacheLocalResources) { releaseLocalMedia(display, mediaProvider); } return; } //create mediaProvider connection MediaProvider[mediaProvider].createConnection({ id: id_, display: display, authToken: authToken, mainUrl: urlServer, flashProto: flashProto, flashPort: flashPort, constraints: constraints, connectionConfig: mediaOptions, connectionConstraints: mediaConnectionConstraints, customStream: constraints && constraints.customStream ? constraints.customStream : false }).then(function (newConnection) { mediaConnection = newConnection; return mediaConnection.createOffer({ stripCodecs: stripCodecs }); }).then(function (offer) { logger.debug(LOG_PREFIX, "Offer SDP:\n" + offer.sdp); //publish stream with offer sdp to server send("publishStream", { mediaSessionId: id_, name: name_, published: published_, hasVideo: offer.hasVideo, hasAudio: offer.hasAudio, status: status_, record: record_, mediaProvider: mediaProvider, sdp: offer.sdp, custom: options.custom, bitrate: bitrate, minBitrate: minBitrate, maxBitrate: maxBitrate, rtmpUrl: rtmpUrl, constraints: constraints, transport: transportType, cvoExtension: cvoExtension }); }); })["catch"](function (error) { logger.warn(LOG_PREFIX, error); info_ = ERROR_INFO.LOCAL_ERROR; errorInfo_ = error.message; status_ = STREAM_STATUS.FAILED; //fire stream event if (callbacks[status_]) { callbacks[status_](stream); } }); }; /** * Switch camera in real-time. * Works only with WebRTC * * @memberOf Stream * @inner * @throws {Error} Error if stream status is not {@link Flashphoner.constants.STREAM_STATUS.PUBLISHING} */ var switchCam = function switchCam(deviceId) { if (status_ !== STREAM_STATUS.PUBLISHING) { throw new Error('Invalid stream state'); } return mediaConnection.switchCam(deviceId); }; /** * Switch microphone in real-time. * Works only with WebRTC * * @memberOf Stream * @inner * @throws {Error} Error if stream status is not {@link Flashphoner.constants.STREAM_STATUS.PUBLISHING} */ var switchMic = function switchMic(deviceId) { if (status_ !== STREAM_STATUS.PUBLISHING) { throw new Error('Invalid stream state'); } return mediaConnection.switchMic(deviceId); }; /** * Switch to screen in real-time. * Works only with WebRTC * * @param {String} source Screen sharing source (for firefox) * @param {Boolean} woExtension Screen sharing without extension (for chrome) * @memberOf Stream * @inner * @throws {Error} Error if stream status is not {@link Flashphoner.constants.STREAM_STATUS.PUBLISHING} */ var switchToScreen = function switchToScreen(source, woExtension) { if (status_ !== STREAM_STATUS.PUBLISHING) { throw new Error('Invalid stream state'); } return mediaConnection.switchToScreen(source, woExtension); }; /** * Switch to cam in real-time. * Works only with WebRTC * * @memberOf Stream * @inner * @throws {Error} Error if stream status is not {@link Flashphoner.constants.STREAM_STATUS.PUBLISHING} */ var switchToCam = function switchToCam() { if (status_ !== STREAM_STATUS.PUBLISHING) { throw new Error('Invalid stream state'); } mediaConnection.switchToCam(); }; /** * Send data from published stream. * * @param {Object} payload Any object * @throws {Error} Error if stream status is not {@link Flashphoner.constants.STREAM_STATUS.PUBLISHING} * @memberof Stream * @inner */ var sendData = function sendData(payload) { if (status_ !== STREAM_STATUS.PUBLISHING) { throw new Error('Invalid stream state'); } sendStreamEvent(STREAM_EVENT_TYPE.DATA, payload); }; /** * Unmute remote audio * * @memberOf Stream * @inner */ var unmuteRemoteAudio = function unmuteRemoteAudio() { if (mediaConnection && mediaProvider != 'Flash') { mediaConnection.unmuteRemoteAudio(); } }; /** * Mute remote audio * * @memberOf Stream * @inner */ var muteRemoteAudio = function muteRemoteAudio() { if (mediaConnection && mediaProvider != 'Flash') { mediaConnection.muteRemoteAudio(); } }; /** * Is remote audio muted * * @memberOf Stream * @inner */ var isRemoteAudioMuted = function isRemoteAudioMuted() { if (mediaConnection && mediaProvider != 'Flash') { return mediaConnection.isRemoteAudioMuted(); } return false; }; /** * Set Microphone Gain * * @memberOf Stream * @inner * @throws {Error} Error if stream status is not {@link Flashphoner.constants.STREAM_STATUS.PUBLISHING} */ var setMicrophoneGain = function setMicrophoneGain(volume) { if (status_ !== STREAM_STATUS.PUBLISHING) { throw new Error('Invalid stream state'); } mediaConnection.setMicrophoneGain(volume); }; /** * Stop stream. * * @memberof Stream * @inner */ var stop = function stop() { logger.debug(LOG_PREFIX, "Stop stream " + name_); if (status_ == STREAM_STATUS.NEW) { //trigger FAILED status streamRefreshHandlers[id_]({ status: STREAM_STATUS.FAILED }); return; } else if (status_ == STREAM_STATUS.PENDING) { logger.warn(LOG_PREFIX, "Stopping stream before server response " + id_); setTimeout(stop, 200); return; } else if (status_ == STREAM_STATUS.FAILED) { logger.warn(LOG_PREFIX, "Stream status FAILED"); return; } if (published_) { send("unPublishStream", { mediaSessionId: id_, name: name_, published: published_, hasVideo: true, hasAudio: true, status: status_, record: false }); } else { send("stopStream", { mediaSessionId: id_, name: name_, published: published_, hasVideo: true, hasAudio: true, status: status_, record: false }); } //free media provider if (mediaConnection) { mediaConnection.close(cacheLocalResources); } }; /** * Request remote stream snapshot. * @throws {Error} Error if stream status is not {@link Flashphoner.constants.STREAM_STATUS.NEW} * @memberof Stream * @inner */ var snapshot = function snapshot() { logger.debug(LOG_PREFIX, "Request snapshot, stream " + name_); if (status_ !== STREAM_STATUS.NEW && status_ !== STREAM_STATUS.PLAYING && status_ !== STREAM_STATUS.PUBLISHING) { throw new Error("Invalid stream state"); } send("snapshot", { name: name_, mediaSessionId: id_ }); }; /** * Get stream status. * * @returns {string} One of {@link Flashphoner.constants.STREAM_STATUS} * @memberof Stream * @inner */ var status = function status() { return status_; }; /** * Get stream id. * * @returns {string} Stream id * @memberof Stream * @inner */ var id = function id() { return id_; }; /** * Get stream name. * * @returns {string} Stream name * @memberof Stream * @inner */ var name = function name() { return name_; }; /** * Is stream published. * * @returns {Boolean} True if stream published, otherwise false * @memberof Stream * @inner */ var published = function published() { return published_; }; /** * Get record file name * @returns {string} File name * @memberof Stream * @inner */ var getRecordInfo = function getRecordInfo() { return recordFileName; }; /** * Get stream info * @returns {string} Info * @memberof Stream * @inner */ var getInfo = function getInfo() { return info_; }; /** * Get stream error info * @returns {string} Error info * @memberof Stream * @inner */ var getErrorInfo = function getErrorInfo() { return errorInfo_; }; /** * Get stream video size * @returns {Object} Video size * @memberof Stream * @inner */ var videoResolution = function videoResolution() { if (!published_) { return resolution; } else { throw new Error("This function available only on playing stream"); } }; /** * Media controls */ /** * Set other oupout audio device * * @param {string} id Id of output device * @memberof Call * @inner */ var setAudioOutputId = function setAudioOutputId(id) { audioOutputId = id; if (mediaConnection && mediaConnection.setAudioOutputId) { return mediaConnection.setAudioOutputId(id); } }; /** * Set volume of remote media * * @param {number} volume Volume between 0 and 100 * @memberof Stream * @inner */ var setVolume = function setVolume(volume) { if (mediaConnection) { mediaConnection.setVolume(volume); } }; /** * Get current volume * * @returns {number} Volume or -1 if audio is not available * @memberof Stream * @inner */ var getVolume = function getVolume() { if (mediaConnection) { return mediaConnection.getVolume(); } return -1; }; function sendStreamEvent(type, payload) { send("sendStreamEvent", { mediaSessionId: id_, type: type, payload: payload }); } /** * Mute outgoing audio * * @memberof Stream * @inner */ var muteAudio = function muteAudio() { if (mediaConnection) { mediaConnection.muteAudio(); sendStreamEvent(STREAM_EVENT_TYPE.AUDIO_MUTED); } }; /** * Unmute outgoing audio * * @memberof Stream * @inner */ var unmuteAudio = function unmuteAudio() { if (mediaConnection) { mediaConnection.unmuteAudio(); sendStreamEvent(STREAM_EVENT_TYPE.AUDIO_UNMUTED); } }; /** * Check outgoing audio mute state * * @returns {boolean} True if audio is muted or not available * @memberof Stream * @inner */ var isAudioMuted = function isAudioMuted() { if (mediaConnection) { return mediaConnection.isAudioMuted(); } return true; }; /** * Mute outgoing video * * @memberof Stream * @inner */ var muteVideo = function muteVideo() { if (mediaConnection) { mediaConnection.muteVideo(); sendStreamEvent(STREAM_EVENT_TYPE.VIDEO_MUTED); } }; /** * Unmute outgoing video * * @memberof Stream * @inner */ var unmuteVideo = function unmuteVideo() { if (mediaConnection) { mediaConnection.unmuteVideo(); sendStreamEvent(STREAM_EVENT_TYPE.VIDEO_UNMUTED); } }; /** * Check outgoing video mute state * * @returns {boolean} True if video is muted or not available * @memberof Stream * @inner */ var isVideoMuted = function isVideoMuted() { if (mediaConnection) { return mediaConnection.isVideoMuted(); } return true; }; /** * Get statistics * * @param {callbackFn} callbackFn The callback that handles response * @param {Boolean} nativeStats If true, use native browser statistics * @returns {Object} Stream audio\video statistics * @memberof Stream * @inner */ var getStats = function getStats(callbackFn, nativeStats) { if (mediaConnection) { mediaConnection.getStats(callbackFn, nativeStats); } }; /** * Get remote bitrate reported by server, works only for subscribe Stream * * @returns {number} Remote bitrate in bps or -1 * @memberof Stream * @inner */ var getRemoteBitrate = function getRemoteBitrate() { return remoteBitrate; }; /** * Get network bandwidth reported by server, works only for subscribe Stream * * @returns {number} Network bandwidth in bps or -1 * @memberof Stream * @inner */ var getNetworkBandwidth = function getNetworkBandwidth() { return networkBandwidth; }; /** * Get audio state (muted) * * @returns AudioState * @memberof Stream * @inner */ var getAudioState = function getAudioState() { return audioState_; }; /** * Get video state (muted) * * @returns VideoState * @memberof Stream * @inner */ var getVideoState = function getVideoState() { return videoState_; }; /** * Request full screen for player stream * @memberof Stream * @inner */ var fullScreen = function fullScreen() { if (published()) { logger.warn(LOG_PREFIX, "Full screen is allowed only for played streams"); } else { if (mediaConnection) mediaConnection.fullScreen(); } }; /** * Stream status event callback. * * @callback Stream~eventCallback * @param {Stream} stream Stream that corresponds to the event */ /** * Add stream status event callback. * * @param {string} event One of {@link Flashphoner.constants.STREAM_STATUS} events * @param {Stream~eventCallback} callback Callback function * @returns {Stream} Stream callback was attached to * @throws {TypeError} Error if event is not specified * @throws {Error} Error if callback is not a valid function * @memberof Stream * @inner */ var on = function on(event, callback) { if (!event) { throw new TypeError("Event can't be null"); } if (!callback || typeof callback !== 'function') { throw new Error("Callback needs to be a valid function"); } callbacks[event] = callback; return stream; }; /** * Сhecks the availability of stream on the server * * @returns {Promise} Resolves if is stream available, otherwise rejects * @memberof Stream * @inner */ var available = function available() { return new Promise(function (resolve, reject) { send("availableStream", { mediaSessionId: id_, name: name_ }); var promise = {}; promise.resolve = resolve; promise.reject = reject; availableCallbacks.push(promise); }); }; stream.play = play; stream.publish = publish; stream.stop = stop; stream.id = id; stream.status = status; stream.name = name; stream.published = published; stream.getRecordInfo = getRecordInfo; stream.getInfo = getInfo; stream.getErrorInfo = getErrorInfo; stream.videoResolution = videoResolution; stream.setAudioOutputId = setAudioOutputId; stream.setVolume = setVolume; stream.unmuteRemoteAudio = unmuteRemoteAudio; stream.muteRemoteAudio = muteRemoteAudio; stream.isRemoteAudioMuted = isRemoteAudioMuted; stream.setMicrophoneGain = setMicrophoneGain; stream.getVolume = getVolume; stream.muteAudio = muteAudio; stream.unmuteAudio = unmuteAudio; stream.isAudioMuted = isAudioMuted; stream.muteVideo = muteVideo; stream.unmuteVideo = unmuteVideo; stream.isVideoMuted = isVideoMuted; stream.getStats = getStats; stream.snapshot = snapshot; stream.getAudioState = getAudioState; stream.getVideoState = getVideoState; stream.getNetworkBandwidth = getNetworkBandwidth; stream.getRemoteBitrate = getRemoteBitrate; stream.fullScreen = fullScreen; stream.on = on; stream.available = available; stream.switchCam = switchCam; stream.switchMic = switchMic; stream.switchToScreen = switchToScreen; stream.switchToCam = switchToCam; stream.sendData = sendData; streams[id_] = stream; return stream; }; /** * Disconnect session. * * @memberof Session * @inner */ var disconnect = function disconnect() { if (wsConnection) { wsConnection.close(); } }; /** * Get session id * * @returns {string} session id * @memberof Session * @inner */ var id = function id() { return id_; }; /** * Get server address * * @returns {string} Server url * @memberof Session * @inner */ var getServerUrl = function getServerUrl() { return urlServer; }; /** * Get session status * * @returns {string} One of {@link Flashphoner.constants.SESSION_STATUS} * @memberof Session * @inner */ var status = function status() { return sessionStatus; }; /** * Get stream by id. * * @param {string} streamId Stream id * @returns {Stream} Stream * @memberof Session * @inner */ var getStream = function getStream(streamId) { return streams[streamId]; }; /** * Get streams. * * @returns {Array<Stream>} Streams * @memberof Session * @inner */ var getStreams = function getStreams() { return util.copyObjectToArray(streams); }; /** * Submit bug report. * * @param {Object} reportObject Report object * @memberof Session * @inner */ var submitBugReport = function submitBugReport(reportObject) { send("submitBugReport", reportObject); }; /** * Start session debug * @memberof Session * @inner */ var startDebug = function startDebug() { logger.setPushLogs(true); logger.setLevel("DEBUG"); send("sessionDebug", { command: "start" }); }; /** * Stop session debug * @memberof Session * @inner */ var stopDebug = function stopDebug() { logger.setLevel("INFO"); send("sessionDebug", { command: "stop" }); }; /** * Session event callback. * * @callback Session~eventCallback * @param {Session} session Session that corresponds to the event */ /** * Add session event callback. * * @param {string} event One of {@link Flashphoner.constants.SESSION_STATUS} events * @param {Session~eventCallback} callback Callback function * @returns {Session} Session * @throws {TypeError} Error if event is not specified * @throws {Error} Error if callback is not a valid function * @memberof Session * @inner */ var on = function on(event, callback) { if (!event) { throw new Error("Event can't be null", "TypeError"); } if (!callback || typeof callback !== 'function') { throw new Error("Callback needs to be a valid function"); } callbacks[event] = callback; return session; }; var restAppCommunicator = function () { var pending = {}; var exports = {}; /** * Send data to REST App * * @param {Object} data Object to send * @returns {Promise} Resolves if data accepted, otherwise rejects * @memberof Session * @name sendData * @method * @inner */ exports.sendData = function (data) { return new Promise(function (resolve, reject) { var obj = { operationId: uuid_v1(), payload: data }; pending[obj.operationId] = { FAILED: function FAILED(info) { reject(info); }, ACCEPTED: function ACCEPTED(info) { resolve(info); } }; send("sendData", obj); }); }; exports.resolveData = function (data) { if (pending[data.operationId]) { var handler = pending[data.operationId]; delete pending[data.operationId]; delete data.operationId; handler[data.status](data); } }; return exports; }(); var sdpHookHandler = function sdpHookHandler(sdp, sdpHook) { if (sdpHook != undefined && typeof sdpHook == 'function') { var sdpObject = { sdpString: sdp }; var newSdp = sdpHook(sdpObject); if (newSdp != null && newSdp != "") { return newSdp; } return sdp; } return sdp; }; //export Session session.id = id; session.status = status; session.getServerUrl = getServerUrl; session.createStream = createStream; session.createCall = createCall; session.getStream = getStream; session.getStreams = getStreams; session.sendData = restAppCommunicator.sendData; session.disconnect = disconnect; session.submitBugReport = submitBugReport; session.startDebug = startDebug; session.stopDebug = stopDebug; session.on = on; //save interface to global map sessions[id_] = session; return session; }; var isUsingTemasys = function isUsingTemasys() { return isUsingTemasysPlugin; }; module.exports = { init: init, isUsingTemasys: isUsingTemasys, getMediaProviders: getMediaProviders, getMediaDevices: getMediaDevices, getMediaAccess: getMediaAccess, releaseLocalMedia: releaseLocalMedia, getSessions: getSessions, getSession: getSession, createSession: createSession, playFirstSound: playFirstSound, playFirstVideo: playFirstVideo, getLogger: getLogger, roomApi: require('./room-module'), constants: constants, /** * The Screensharing whitelist is no longer needed to share your screen or windows starting Firefox 52 * https://wiki.mozilla.org/Screensharing */ firefoxScreenSharingExtensionInstalled: true }; },{"./constants":26,"./flash-media-provider":1,"./media-source-media-provider":1,"./room-module":28,"./temasys-media-provider":1,"./util":29,"./webrtc-media-provider":30,"./websocket-media-provider":1,"kalmanjs":2,"promise-polyfill":4,"uuid/v1":10,"webrtc-adapter":11}],28:[function(require,module,exports){ 'use strict'; var SESSION_STATUS = require('./constants').SESSION_STATUS; var STREAM_STATUS = require('./constants').STREAM_STATUS; var Promise = require('promise-polyfill'); var util = require('./util'); var uuid_v1 = require('uuid/v1'); var ROOM_REST_APP = "roomApp"; /** * Room api based on core api * * @namespace roomApi */ /** * Initialize connection * * @param {Object} options session options * @param {String} options.urlServer Server address in form of [ws,wss]://host.domain:port * @param {String} options.username Username to login with * @returns {roomApi.Session} * @memberof roomApi * @method connect */ var appSession = function appSession(options) { /** * Represents connection to room api app * * @namespace roomApi.Session */ var callbacks = {}; var rooms = {}; var username_ = options.username; var exports; var roomHandlers = {}; var session = Flashphoner.createSession({ urlServer: options.urlServer, mediaOptions: options.mediaOptions, appKey: options.appKey && options.appKey.length != 0 ? options.appKey : ROOM_REST_APP, custom: { login: options.username, token: options.token } }).on(SESSION_STATUS.ESTABLISHED, function (session) { if (callbacks[session.status()]) { callbacks[session.status()](exports); } }).on(SESSION_STATUS.APP_DATA, function (data) { var payload = data.payload; if (!payload || !payload.roomName) { console.error("Received app data does not contain 'payload' or 'payload.roomName' field. Received data: " + JSON.stringify(data)); return; } var roomName = payload.roomName; if (roomHandlers[roomName]) { roomHandlers[roomName](payload); } else { console.warn("Failed to find room with name " + roomName); } }).on(SESSION_STATUS.DISCONNECTED, sessionDied).on(SESSION_STATUS.FAILED, sessionDied); //teardown helper function sessionDied(session) { if (callbacks[session.status()]) { callbacks[session.status()](exports); } } /** * Disconnect session * * @memberof roomApi.Session * @inner */ var disconnect = function disconnect() { session.disconnect(); }; /** * Get session status * * @returns {string} One of {@link Flashphoner.constants.SESSION_STATUS} * @memberof roomApi.Session * @inner */ var status = function status() { return session.status(); }; /** * Get session id * * @returns {string} session id * @memberof roomApi.Session * @inner */ var id = function id() { return session.id(); }; /** * Get server address * * @returns {string} Server url * @memberof roomApi.Session * @inner */ var getServerUrl = function getServerUrl() { return session.getServerUrl(); }; /** * Get session username * * @returns {string} username * @memberof roomApi.Session * @inner */ var username = function username() { return username_; }; /** * Get rooms * * @returns {roomApi.Room[]} * @memberof roomApi.Session * @inner */ var getRooms = function getRooms() { return util.copyObjectToArray(rooms); }; /** * Add session event callback. * * @param {string} event One of {@link Flashphoner.constants.SESSION_STATUS} events * @param {Session~eventCallback} callback Callback function * @returns {roomApi.Session} Session * @throws {TypeError} Error if event is not specified * @throws {Error} Error if callback is not a valid function * @memberof roomApi.Session * @inner */ var on = function on(event, callback) { if (!event) { throw new Error("Event can't be null", "TypeError"); } if (!callback || typeof callback !== 'function') { throw new Error("Callback needs to be a valid function"); } callbacks[event] = callback; return exports; }; /** * Join room * * @param {Object} options Room options * @param {String} options.name Room name * @returns {roomApi.Room} * @memberof roomApi.Session * @inner */ var join = function join(options) { /** * Room * * @namespace roomApi.Room */ var room = {}; var name_ = options.name; var participants = {}; var callbacks = {}; var stateStreams = {}; roomHandlers[name_] = function (data) { /** * Room participant * * @namespace roomApi.Room.Participant */ var participant; if (data.name == "STATE") { if (data.info) { for (var i = 0; i < data.info.length; i++) { participantFromState(data.info[i]); } stateStreams = {}; } if (callbacks["STATE"]) { callbacks["STATE"](room); } } else if (data.name == "JOINED") { participants[data.info] = { streams: {}, name: function name() { return data.info; }, sendMessage: attachSendMessage(data.info), getStreams: function getStreams() { return util.copyObjectToArray(this.streams); } }; if (callbacks["JOINED"]) { callbacks["JOINED"](participants[data.info]); } } else if (data.name == "LEFT") { participant = participants[data.info]; delete participants[data.info]; if (callbacks["LEFT"]) { callbacks["LEFT"](participant); } } else if (data.name == "PUBLISHED") { participant = participants[data.info.login]; participant.streams[data.info.name] = { play: play(data.info.name), stop: stop(data.info.name), id: id(data.info.name), streamName: function streamName() { return data.info.name; } }; if (callbacks["PUBLISHED"]) { callbacks["PUBLISHED"](participant); } } else if (data.name == "FAILED" || data.name == "UNPUBLISHED") { participant = participants[data.info.login]; if (participant != null) delete participant.streams[data.info.name]; } else if (data.name == "MESSAGE") { if (callbacks["MESSAGE"]) { callbacks["MESSAGE"]({ from: participants[data.info.from], text: data.info.text }); } } }; //participant creation helper function participantFromState(state) { var participant = {}; if (state.hasOwnProperty("login")) { var login = state.login; var _streamName = state.name; stateStreams[_streamName] = { /** * Play participant stream * * @param {HTMLElement} display Div element stream should be displayed in * @returns {Stream} Local stream object * @memberof roomApi.Room.Participant.Stream * @inner */ play: play(_streamName), /** * Stop participant stream * * @memberof roomApi.Room.Participant.Stream * @inner */ stop: stop(_streamName), /** * Get participant stream id * * @returns {String} Stream id * @memberof roomApi.Room.Participant.Stream * @inner */ id: id(_streamName), /** * Get participant stream name * * @returns {String} Stream name * @memberof roomApi.Room.Participant.Stream * @inner */ streamName: function streamName() { return _streamName; } }; if (participants[login] != null) { participant = participants[login]; } else { participant = { streams: {}, /** * Get participant name * * @returns {String} Participant name * @memberof roomApi.Room.Participant * @inner */ name: function name() { return login; }, /** * Send message to participant * * @param {String} message Message to send * @param {Function} error Error callback * @memberof roomApi.Room.Participant * @inner */ sendMessage: attachSendMessage(login), /** * Get participant streams * * @returns {Array<roomApi.Room.Participant.Stream>} Streams * @memberof roomApi.Room.Participant * @inner */ getStreams: function getStreams() { return util.copyObjectToArray(this.streams); } }; participants[participant.name()] = participant; } /** * Room participant * * @namespace roomApi.Room.Participant.Stream */ } else { participant = { streams: {}, name: function name() { return state; }, sendMessage: attachSendMessage(state), getStreams: function getStreams() { return util.copyObjectToArray(this.streams); } }; } if (Object.keys(stateStreams).length != 0) { for (var k in stateStreams) { if (stateStreams.hasOwnProperty(k)) { participant.streams[k] = stateStreams[k]; delete stateStreams[k]; } } } participants[participant.name()] = participant; return participant; } /** * Get room name * * @returns {String} Room name * @memberof roomApi.Room * @inner */ var name = function name() { return name_; }; /** * Leave room * * @returns {Promise<room>} * @memberof roomApi.Room * @inner */ var leave = function leave() { return new Promise(function (resolve, reject) { sendAppCommand("leave", { name: name_ }).then(function () { cleanUp(); resolve(room); }, function () { cleanUp(); reject(room); }); function cleanUp() { //clear streams var streams = session.getStreams(); for (var i = 0; i < streams.length; i++) { if (streams[i].name().indexOf(name_ + "-" + username_) !== -1 && streams[i].status() != STREAM_STATUS.UNPUBLISHED) { streams[i].stop(); } else if (streams[i].name().indexOf(name_) !== -1 && streams[i].status() != STREAM_STATUS.STOPPED) { streams[i].stop(); } } delete roomHandlers[name_]; delete rooms[name_]; } }); }; /** * Publish stream inside room * * @param {Object} options Stream options * @param {string=} options.name Stream name * @param {Object=} options.constraints Stream constraints * @param {Boolean=} options.record Enable stream recording * @param {Boolean=} options.cacheLocalResources Display will contain local video after stream release * @param {HTMLElement} options.display Div element stream should be displayed in * @returns {Stream} * @memberof roomApi.Room * @inner */ var publish = function publish(options) { options.name = options.name ? name_ + "-" + username_ + "-" + uuid_v1().substr(0, 4) + "-" + options.name : name_ + "-" + username_ + "-" + uuid_v1().substr(0, 4); options.cacheLocalResources = typeof options.cacheLocalResources === "boolean" ? options.cacheLocalResources : true; options.custom = { name: name_ }; var stream = session.createStream(options); stream.publish(); return stream; }; /** * Add room event callback. * * @param {string} event One of {@link roomApi.events} events * @param {roomApi.Room~eventCallback} callback Callback function * @returns {roomApi.Room} room * @throws {TypeError} Error if event is not specified * @throws {Error} Error if callback is not a valid function * @memberof roomApi.Room * @inner */ var on = function on(event, callback) { if (!event) { throw new Error("Event can't be null", "TypeError"); } if (!callback || typeof callback !== 'function') { throw new Error("Callback needs to be a valid function"); } callbacks[event] = callback; return room; }; /** * Get participants * * @returns {roomApi.Room.Participant} * @memberof roomApi.Room * @inner */ var getParticipants = function getParticipants() { return util.copyObjectToArray(participants); }; //participant helpers function play(streamName) { return function (display) { var stream = session.createStream({ name: streamName, display: display, custom: { name: name_ } }); stream.play(); return stream; }; } function stop(streamName) { return function () { var streams = session.getStreams(); for (var i = 0; i < streams.length; i++) { if (streams[i].name() == streamName && streams[i].status() != STREAM_STATUS.UNPUBLISHED) { streams[i].stop(); } } }; } function id(streamName) { return function () { var streams = session.getStreams(); for (var i = 0; i < streams.length; i++) { if (streams[i].name() == streamName) return streams[i].id(); } }; } function attachSendMessage(recipientName) { return function (text, error) { var message = { roomConfig: { name: name_ }, to: recipientName, text: text }; sendAppCommand("sendMessage", message).then(function () {}, function () { if (error) { error(); } }); }; } //sendData helper function sendAppCommand(commandName, data) { var command = { command: commandName, options: data }; return session.sendData(command); } sendAppCommand("join", { name: name_ }).then(function () {}, function (info) { if (callbacks["FAILED"]) { callbacks["FAILED"](room, info.info); } }); room.name = name; room.leave = leave; room.publish = publish; room.getParticipants = getParticipants; room.on = on; rooms[name_] = room; return room; }; exports = { disconnect: disconnect, id: id, getServerUrl: getServerUrl, username: username, status: status, getRooms: getRooms, join: join, on: on }; return exports; }; var events = { STATE: "STATE", JOINED: "JOINED", LEFT: "LEFT", PUBLISHED: "PUBLISHED", MESSAGE: "MESSAGE", FAILED: "FAILED" }; module.exports = { connect: appSession, events: events }; },{"./constants":26,"./util":29,"promise-polyfill":4,"uuid/v1":10}],29:[function(require,module,exports){ 'use strict'; module.exports = { isEmptyObject: function isEmptyObject(obj) { for (var name in obj) { return false; } return true; }, /** * Copy values of object own properties to array. * * @param obj * @returns {Array} */ copyObjectToArray: function copyObjectToArray(obj) { var ret = []; for (var prop in obj) { if (obj.hasOwnProperty(prop)) { ret.push(obj[prop]); } } return ret; }, /** * Copy src properties to dst object. * Will overwrite dst prop with src prop in case of dst prop exist. */ copyObjectPropsToAnotherObject: function copyObjectPropsToAnotherObject(src, dst) { for (var prop in src) { if (src.hasOwnProperty(prop)) { dst[prop] = src[prop]; } } }, browser: function browser() { var browser; var isAndroid = navigator.userAgent.toLowerCase().indexOf("android") > -1; if (isAndroid) browser = "Android"; var isiOS = /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream; if (isiOS) browser = "iOS"; // Opera 8.0+ var isOpera = !!window.opr && !!opr.addons || !!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0; if (isOpera) browser = "Opera"; // Firefox 1.0+ var isFirefox = typeof InstallTrigger !== 'undefined'; if (isFirefox) browser = "Firefox"; // At least Safari 3+: "[object HTMLElementConstructor]" var isSafari = Object.prototype.toString.call(window.HTMLElement).indexOf('Constructor') > 0; if (isSafari) browser = "Safari"; // Internet Explorer 6-11 var isIE = /*@cc_on!@*/ false || !!document.documentMode; if (isIE) browser = "IE"; // Edge 20+ var isEdge = !isIE && !!window.StyleMedia; if (isEdge) browser = "Edge"; // Chrome 1+ var isChrome = !!window.chrome && /Chrome/.test(navigator.userAgent) && /Google Inc/.test(navigator.vendor) && !/OPR/.test(navigator.userAgent); if (isChrome) browser = "Chrome"; return browser; }, processRtcStatsReport: function processRtcStatsReport(browser, report) { var result = {}; if (browser == "chrome") { /** * Report types: googComponent, googCandidatePair, googCertificate, googLibjingleSession, googTrack, ssrc */ var gotResult = false; if (report.type && report.type == "googCandidatePair") { //check if this is active pair if (report.googActiveConnection == "true") { gotResult = true; } } if (report.type && report.type == "ssrc") { gotResult = true; } if (gotResult) { for (var k in report) { if (report.hasOwnProperty(k)) { result[k] = report[k]; } } } return result; } else if (browser == "firefox") { /** * RTCStatsReport http://mxr.mozilla.org/mozilla-central/source/dom/webidl/RTCStatsReport.webidl */ if (report.type && (report.type == "outboundrtp" || report.type == "inboundrtp") && report.id.indexOf("rtcp") == -1) { result = {}; for (var k in report) { if (report.hasOwnProperty(k)) { result[k] = report[k]; } } } return result; } else { return result; } ; }, Browser: { isIE: function isIE() { return ( /*@cc_on!@*/ false || !!document.documentMode ); }, isFirefox: function isFirefox() { return typeof InstallTrigger !== 'undefined'; }, isChrome: function isChrome() { return !!window.chrome && /Chrome/.test(navigator.userAgent) && /Google Inc/.test(navigator.vendor) && !/OPR/.test(navigator.userAgent); }, isEdge: function isEdge() { return !isIE && !!window.StyleMedia; }, isOpera: function isOpera() { return !!window.opr && !!opr.addons || !!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0; }, isiOS: function isiOS() { return /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream; }, isSafari: function isSafari() { return /^((?!chrome|android).)*safari/i.test(navigator.userAgent); }, isAndroid: function isAndroid() { return navigator.userAgent.toLowerCase().indexOf("android") > -1; }, isSafariWebRTC: function isSafariWebRTC() { return navigator.mediaDevices && this.isSafari(); }, isSamsungBrowser: function isSamsungBrowser() { return /SamsungBrowser/i.test(navigator.userAgent); }, isAndroidFirefox: function isAndroidFirefox() { return this.isAndroid() && /Firefox/i.test(navigator.userAgent); } }, SDP: { matchPrefix: function matchPrefix(sdp, prefix) { var parts = sdp.trim().split('\n').map(function (line) { return line.trim(); }); return parts.filter(function (line) { return line.indexOf(prefix) === 0; }); }, writeFmtp: function writeFmtp(sdp, param, codec) { var sdpArray = sdp.split("\n"); var i; for (i = 0; i < sdpArray.length; i++) { if (sdpArray[i].search(codec) != -1 && sdpArray[i].indexOf("a=rtpmap") == 0) { sdpArray[i] += "\na=fmtp:" + sdpArray[i].match(/[0-9]+/)[0] + " " + param + "\r"; } } //normalize sdp after modifications var result = ""; for (i = 0; i < sdpArray.length; i++) { if (sdpArray[i] != "") { result += sdpArray[i] + "\n"; } } return result; } }, logger: { init: function init(verbosity, enablePushLogs, customLogger, enableLogs) { switch (verbosity.toUpperCase()) { case "DEBUG": this.verbosity = 3; break; case "INFO": this.verbosity = 2; break; case "ERROR": this.verbosity = 0; break; case "WARN": this.verbosity = 1; break; case "TRACE": this.verbosity = 4; break; default: this.verbosity = 2; } ; this.date = function () { return new Date().toTimeString().split(" ")[0]; }; this.enablePushLogs = enablePushLogs; var delayedLogs = []; this.customLogger = customLogger; this.enableLogs = enableLogs; this.pushLogs = function (log) { if (this.wsConnection && this.enablePushLogs) { if (delayedLogs.length) { for (var i = 0; i < delayedLogs.length; i++) { this.wsConnection.send(JSON.stringify({ message: "pushLogs", data: [{ logs: delayedLogs[i] }] })); } } delayedLogs = []; this.wsConnection.send(JSON.stringify({ message: "pushLogs", data: [{ logs: log }] })); } else { // Save logs to send it later delayedLogs.push(log); } }; }, info: function info(src, text) { if (!this.enableLogs) { return; } var prefix = this.date() + " INFO " + src + " - "; this.pushLogs(prefix + JSON.stringify(text) + '\n'); if (this.verbosity >= 2) { if (this.customLogger != null) { this.customLogger.info(text); } else { console.log(prefix, text); } } }, debug: function debug(src, text) { if (!this.enableLogs) { return; } var prefix = this.date() + " DEBUG " + src + " - "; this.pushLogs(prefix + JSON.stringify(text) + '\n'); if (this.verbosity >= 3) { if (this.customLogger != null) { this.customLogger.debug(text); } else { console.log(prefix, text); } } }, trace: function trace(src, text) { if (!this.enableLogs) { return; } var prefix = this.date() + " TRACE " + src + " - "; this.pushLogs(prefix + JSON.stringify(text) + '\n'); if (this.verbosity >= 4) { if (this.customLogger != null) { this.customLogger.trace(text); } else { console.log(prefix, text); } } }, warn: function warn(src, text) { if (!this.enableLogs) { return; } var prefix = this.date() + " WARN " + src + " - "; this.pushLogs(prefix + JSON.stringify(text) + '\n'); if (this.verbosity >= 1) { if (this.customLogger != null) { this.customLogger.warn(text); } else { console.warn(prefix, text); } } }, error: function error(src, text) { if (!this.enableLogs) { return; } var prefix = this.date() + " ERROR " + src + " - "; this.pushLogs(prefix + JSON.stringify(text) + '\n'); if (this.verbosity >= 0) { if (this.customLogger != null) { this.customLogger.error(text); } else { console.error(prefix, text); } } }, setEnableLogs: function setEnableLogs(enableLogs) { this.enableLogs = enableLogs; }, setCustomLogger: function setCustomLogger(customLogger) { this.customLogger = customLogger; }, setConnection: function setConnection(connection) { this.wsConnection = connection; }, setPushLogs: function setPushLogs(pushLogs) { this.enablePushLogs = pushLogs; }, setLevel: function setLevel(level) { switch (level.toUpperCase()) { case "DEBUG": this.verbosity = 3; break; case "INFO": this.verbosity = 2; break; case "ERROR": this.verbosity = 0; break; case "WARN": this.verbosity = 1; break; case "TRACE": this.verbosity = 4; break; default: this.verbosity = 2; } ; } }, stripCodecs: function stripCodecs(sdp, codecs) { if (!codecs.length) return sdp; var sdpArray = sdp.split("\n"); var codecsArray = codecs.split(","); //search and delete codecs line var pt = []; var i; for (var p = 0; p < codecsArray.length; p++) { console.log("Searching for codec " + codecsArray[p]); for (i = 0; i < sdpArray.length; i++) { if (sdpArray[i].search(new RegExp(codecsArray[p], 'i')) != -1 && sdpArray[i].indexOf("a=rtpmap") == 0) { console.log(codecsArray[p] + " detected"); pt.push(sdpArray[i].match(/[0-9]+/)[0]); sdpArray[i] = ""; } } } if (pt.length) { //searching for fmtp for (p = 0; p < pt.length; p++) { for (i = 0; i < sdpArray.length; i++) { if (sdpArray[i].search("a=fmtp:" + pt[p]) != -1 || sdpArray[i].search("a=rtcp-fb:" + pt[p]) != -1) { sdpArray[i] = ""; } } } //delete entries from m= line for (i = 0; i < sdpArray.length; i++) { if (sdpArray[i].search("m=audio") != -1 || sdpArray[i].search("m=video") != -1) { var mLineSplitted = sdpArray[i].split(" "); var newMLine = ""; for (var m = 0; m < mLineSplitted.length; m++) { if (pt.indexOf(mLineSplitted[m].trim()) == -1 || m <= 2) { newMLine += mLineSplitted[m]; if (m < mLineSplitted.length - 1) { newMLine = newMLine + " "; } } } sdpArray[i] = newMLine; } } } //normalize sdp after modifications var result = ""; for (i = 0; i < sdpArray.length; i++) { if (sdpArray[i] != "") { result += sdpArray[i] + "\n"; } } return result; }, getCurrentCodecAndSampleRate: function getCurrentCodecAndSampleRate(sdp, mediaType) { var rows = sdp.split("\n"); var codecPt; for (var i = 0; i < rows.length; i++) { if (codecPt && rows[i].indexOf("a=rtpmap:" + codecPt) != -1) { var ret = {}; ret.name = rows[i].split(" ")[1].split("/")[0]; ret.sampleRate = rows[i].split(" ")[1].split("/")[1]; return ret; } //WCS-2136. WebRTC statistics doesn't work for VP8 if (rows[i].indexOf("m=" + mediaType) != -1) { codecPt = rows[i].split(" ")[3].trim(); } } } }; },{}],30:[function(require,module,exports){ 'use strict'; function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } var browserDetails = require('webrtc-adapter')["default"].browserDetails; var uuid_v1 = require('uuid/v1'); var util = require('./util'); var connections = {}; var LOCAL_CACHED_VIDEO = "-LOCAL_CACHED_VIDEO"; var REMOTE_CACHED_VIDEO = "-REMOTE_CACHED_VIDEO"; var extensionId; var defaultConstraints; var logger; var LOG_PREFIX = "webrtc"; var audioContext; var createMicGainNode; var microphoneGain; var constants = require('./constants'); var validBrowsers = ["firefox", "chrome", "safari"]; // list of presented video input devices var videoCams = []; // list of presented audio input devices var mics = []; var createConnection = function createConnection(options) { return new Promise(function (resolve, reject) { var id = options.id; var connectionConfig = options.connectionConfig || { "iceServers": [] }; var connectionConstraints = options.connectionConstraints || {}; if (!connectionConstraints.hasOwnProperty("optional")) { connectionConstraints.optional = [{ "DtlsSrtpKeyAgreement": true }]; } connectionConfig.bundlePolicy = "max-compat"; var connection = new RTCPeerConnection(connectionConfig, connectionConstraints); //unidirectional display var display = options.display; //bidirectional local var localDisplay = options.localDisplay; //bidirectional remote var remoteDisplay = options.remoteDisplay; var bidirectional = options.bidirectional; var localVideo; //tweak for custom video players #WCS-1511 var remoteVideo = options.remoteVideo; var switchCamCount = 0; var switchMicCount = 0; var customStream = options.customStream; var currentAudioTrack; var currentVideoTrack; var systemSoundTrack; var constraints = options.constraints ? options.constraints : {}; var screenShare = false; var playoutDelay = options.playoutDelay; if (bidirectional) { localVideo = getCacheInstance(localDisplay); if (localVideo) { //made for safari, if sip call without audio and video, because function playFirstVideo() creates a video element if (localVideo.srcObject) { localVideo.id = id + "-local"; connection.addStream(localVideo.srcObject); } else { localVideo = null; } } remoteVideo = getCacheInstance(remoteDisplay); if (!remoteVideo) { remoteVideo = document.createElement('video'); remoteDisplay.appendChild(remoteVideo); } remoteVideo.id = id + "-remote"; if (options.audioOutputId && typeof remoteVideo.setSinkId !== "undefined") { remoteVideo.setSinkId(options.audioOutputId); } /** * Workaround for Android 6, 7, Chrome 61. * https://bugs.chromium.org/p/chromium/issues/detail?id=769622 */ remoteVideo.style = "border-radius: 1px"; } else { //tweak for custom video players. In order to put MediaStream in srcObject #WCS-1511 if (!remoteVideo) { var cachedVideo = getCacheInstance(display); if (!cachedVideo || cachedVideo.id.indexOf(REMOTE_CACHED_VIDEO) !== -1 || !cachedVideo.srcObject) { if (cachedVideo) { remoteVideo = cachedVideo; } else { remoteVideo = document.createElement('video'); display.appendChild(remoteVideo); } remoteVideo.id = id; if (options.audioOutputId && typeof remoteVideo.setSinkId !== "undefined") { remoteVideo.setSinkId(options.audioOutputId); } /** * Workaround for Android 6, 7, Chrome 61. * https://bugs.chromium.org/p/chromium/issues/detail?id=769622 */ remoteVideo.style = "border-radius: 1px"; } else { localVideo = cachedVideo; localVideo.id = id; connection.addStream(localVideo.srcObject); } } } if (localVideo) { var videoTrack = localVideo.srcObject.getVideoTracks()[0]; if (videoTrack) { videoCams.forEach(function (cam, index) { if (videoTrack.label === cam.label) { switchCamCount = index; } }); } var audioTrack = localVideo.srcObject.getAudioTracks()[0]; if (audioTrack) { mics.forEach(function (mic, index) { if (audioTrack.label === mic.label) { switchMicCount = index; } }); } } connection.ontrack = function (event) { if (remoteVideo) { remoteVideo.srcObject = event.streams[0]; remoteVideo.onloadedmetadata = function (e) { if (remoteVideo) { remoteVideo.play()["catch"](function (e) { if (validBrowsers.includes(browserDetails.browser)) { //WCS-1698. fixed autoplay in chromium based browsers //WCS-2375. fixed autoplay in ios safari logger.info(LOG_PREFIX, "Autoplay detected! Trying to play a video with a muted sound..."); remoteVideo.muted = true; remoteVideo.play(); } else { logger.error(LOG_PREFIX, e); } }); } }; } //WCS-2904 check playoutDelay to prevent TypeError in some browsers if (playoutDelay !== undefined) { //WCS-2771 add playback delay connection.getReceivers().forEach(function (track) { if (track.playoutDelayHint === undefined) { logger.warn("playout delay unsupported"); } track.playoutDelayHint = playoutDelay; }); } }; connection.onremovestream = function (event) { if (remoteVideo) { remoteVideo.pause(); } }; connection.onsignalingstatechange = function (event) {}; connection.oniceconnectionstatechange = function (event) {}; connection.onicecandidate = function (event) { if (event.candidate != null) { logger.debug(LOG_PREFIX, "Added icecandidate: " + event.candidate.candidate); } }; var state = function state() { return connection.signalingState; }; var close = function close(cacheCamera) { if (remoteVideo) { removeVideoElement(remoteVideo); //tweak for custom video players #WCS-1511 if (!options.remoteVideo) { remoteVideo.id = remoteVideo.id + REMOTE_CACHED_VIDEO; } remoteVideo = null; } if (localVideo && !getCacheInstance(localDisplay || display) && cacheCamera) { localVideo.id = localVideo.id + LOCAL_CACHED_VIDEO; unmuteAudio(); unmuteVideo(); localVideo = null; } else if (localVideo) { localVideo.id = localVideo.id + LOCAL_CACHED_VIDEO; removeVideoElement(localVideo); localVideo = null; } if (connection.signalingState !== "closed") { connection.close(); } delete connections[id]; }; var createOffer = function createOffer(options) { return new Promise(function (resolve, reject) { var hasAudio = true; var hasVideo = true; if (localVideo) { if (!localVideo.srcObject.getAudioTracks()[0]) { hasAudio = false; } if (!localVideo.srcObject.getVideoTracks()[0]) { hasVideo = false; options.receiveVideo = false; } } else if (browserDetails.browser == "safari" && !connection.getTransceivers().length) { if (options.receiveAudio) { connection.addTransceiver('audio', { direction: "recvonly" }); } if (options.receiveVideo) { connection.addTransceiver('video', { direction: "recvonly" }); } } var constraints = { offerToReceiveAudio: options.receiveAudio ? 1 : 0, offerToReceiveVideo: options.receiveVideo ? 1 : 0 }; //create offer and set local sdp connection.createOffer(constraints).then(function (offer) { //WCS-2919 Workaround for Chromium bug to play stereo if (options.stereo) { offer.sdp = offer.sdp.replace('minptime=10', 'minptime=10;stereo=1;sprop-stereo=1'); } connection.setLocalDescription(offer).then(function () { var o = {}; o.sdp = util.stripCodecs(offer.sdp, options.stripCodecs); o.hasAudio = hasAudio; o.hasVideo = hasVideo; resolve(o); }); }); }); }; var createAnswer = function createAnswer(options) { return new Promise(function (resolve, reject) { //create offer and set local sdp connection.createAnswer().then(function (answer) { connection.setLocalDescription(answer).then(function () { resolve(util.stripCodecs(answer.sdp, options.stripCodecs)); }); }); }); }; var changeAudioCodec = function changeAudioCodec(codec) { return false; }; var setRemoteSdp = function setRemoteSdp(sdp) { logger.debug(LOG_PREFIX, "setRemoteSDP:"); logger.debug(LOG_PREFIX, sdp); return new Promise(function (resolve, reject) { var sdpType; if (connection.signalingState == 'have-local-offer') { sdpType = 'answer'; } else { sdpType = 'offer'; } var rtcSdp = new RTCSessionDescription({ type: sdpType, sdp: sdp }); connection.setRemoteDescription(rtcSdp).then(function () { //use in edge for ice if (browserDetails.browser == "edge") {// var sdpArray = sdp.split("\n"); // var i; // for (i = 0; i < sdpArray.length; i++) { // if (sdpArray[i].indexOf("m=video") == 0) { // break; // } // if (sdpArray[i].indexOf("a=candidate:1 1") == 0 || sdpArray[i].indexOf("a=candidate:2 1") == 0) { // var rtcIceCandidate = new RTCIceCandidate({ // candidate: sdpArray[i], // sdpMid: "audio", // sdpMLineIndex: 0 // }); // connection.addIceCandidate(rtcIceCandidate); // } // } // var video = false; // for (i = 0; i < sdpArray.length; i++) { // if (sdpArray[i].indexOf("m=video") == 0) { // video = true; // } // if (video && (sdpArray[i].indexOf("a=candidate:1 1") == 0 || sdpArray[i].indexOf("a=candidate:2 1") == 0)) { // var rtcIceCandidate2 = new RTCIceCandidate({ // candidate: sdpArray[i], // sdpMid: "video", // sdpMLineIndex: 1 // }); // connection.addIceCandidate(rtcIceCandidate2); // } // } // WCS-2204. fixed InvalidStateError // connection.addIceCandidate(null); } resolve(); })["catch"](function (error) { reject(error); }); }); }; var setAudioOutputId = function setAudioOutputId(id) { if (remoteVideo) { //WCS-2063. fixed output device switch if (browserDetails.browser == "edge") { var srcObject = remoteVideo.srcObject; remoteVideo.srcObject = null; var res = remoteVideo.setSinkId(id); remoteVideo.srcObject = srcObject; return res; } return remoteVideo.setSinkId(id); } }; var getVolume = function getVolume() { if (remoteVideo && remoteVideo.srcObject && remoteVideo.srcObject.getAudioTracks().length > 0) { //return remoteVideo.srcObject.getAudioTracks()[0].volume * 100; return remoteVideo.volume * 100; } return -1; }; var setVolume = function setVolume(volume) { if (remoteVideo && remoteVideo.srcObject && remoteVideo.srcObject.getAudioTracks().length > 0) { remoteVideo.volume = volume / 100; } }; var unmuteRemoteAudio = function unmuteRemoteAudio() { if (remoteVideo && remoteVideo.srcObject && remoteVideo.srcObject.getAudioTracks().length > 0) { remoteVideo.muted = false; } }; var muteRemoteAudio = function muteRemoteAudio() { if (remoteVideo && remoteVideo.srcObject && remoteVideo.srcObject.getAudioTracks().length > 0) { remoteVideo.muted = true; } }; var isRemoteAudioMuted = function isRemoteAudioMuted() { if (remoteVideo && remoteVideo.srcObject && remoteVideo.srcObject.getAudioTracks().length > 0) { return remoteVideo.muted; } return true; }; var setMicrophoneGain = function setMicrophoneGain(volume) { if (microphoneGain) { microphoneGain.gain.value = volume / 100; } }; var muteAudio = function muteAudio() { if (localVideo && localVideo.srcObject && localVideo.srcObject.getAudioTracks().length > 0) { localVideo.srcObject.getAudioTracks()[0].enabled = false; } }; var unmuteAudio = function unmuteAudio() { if (localVideo && localVideo.srcObject && localVideo.srcObject.getAudioTracks().length > 0) { localVideo.srcObject.getAudioTracks()[0].enabled = true; } }; var isAudioMuted = function isAudioMuted() { if (localVideo && localVideo.srcObject && localVideo.srcObject.getAudioTracks().length > 0) { return !localVideo.srcObject.getAudioTracks()[0].enabled; } return true; }; var muteVideo = function muteVideo() { if (localVideo && localVideo.srcObject && localVideo.srcObject.getVideoTracks().length > 0) { localVideo.srcObject.getVideoTracks()[0].enabled = false; } }; var unmuteVideo = function unmuteVideo() { if (localVideo && localVideo.srcObject && localVideo.srcObject.getVideoTracks().length > 0) { localVideo.srcObject.getVideoTracks()[0].enabled = true; } }; var isVideoMuted = function isVideoMuted() { if (localVideo && localVideo.srcObject && localVideo.srcObject.getVideoTracks().length > 0) { return !localVideo.srcObject.getVideoTracks()[0].enabled; } return true; }; var getStat = function getStat(callbackFn, nativeStats) { var browser = browserDetails.browser; var result = { outboundStream: {}, inboundStream: {}, otherStats: [] }; if (connection && validBrowsers.includes(browser)) { if (nativeStats) { return connection.getStats(null); } else { connection.getStats(null).then(function (stat) { if (stat) { stat.forEach(function (report) { if (!report.isRemote) { if (report.type == 'outbound-rtp') { fillStatObject(result.outboundStream, report); if (report.mediaType == 'video') { var vSettings = localVideo.srcObject.getVideoTracks()[0].getSettings(); result.outboundStream[report.mediaType].height = vSettings.height; result.outboundStream[report.mediaType].width = vSettings.width; } } else if (report.type == 'inbound-rtp') { fillStatObject(result.inboundStream, report); if (report.mediaType == 'video' && remoteVideo != undefined) { result.inboundStream[report.mediaType].height = remoteVideo.videoHeight; result.inboundStream[report.mediaType].width = remoteVideo.videoWidth; } } } }); } callbackFn(result); }); } } }; function fillStatObject(obj, report) { var mediaType = report.mediaType; obj[mediaType] = {}; //WCS-1922, currentRemoteDescription - browser compatibilitySection: Chrome 70, FF 57, Safari 11 var description = connection.currentRemoteDescription != undefined ? connection.currentRemoteDescription : connection.remoteDescription; var codec = util.getCurrentCodecAndSampleRate(description.sdp, mediaType); obj[mediaType]["codec"] = codec.name; obj[mediaType]["codecRate"] = codec.sampleRate; Object.keys(report).forEach(function (key) { if (key.startsWith("bytes") || key.startsWith("packets") || key.indexOf("Count") != -1) { obj[mediaType][key] = report[key]; } }); } var fullScreen = function fullScreen() { var video = document.getElementById(id); if (video) { if (!document.fullscreenElement && !document.mozFullScreenElement && !document.webkitFullscreenElement && !document.msFullscreenElement) { if (video.requestFullscreen) { video.requestFullscreen(); } else if (video.msRequestFullscreen) { video.msRequestFullscreen(); } else if (video.mozRequestFullScreen) { video.mozRequestFullScreen(); } else if (video.webkitRequestFullscreen) { video.webkitRequestFullscreen(); } else if (video.webkitEnterFullscreen) { video.webkitEnterFullscreen(); //hack for iOS safari. Video is getting paused when switching from fullscreen to normal mode. video.addEventListener("pause", function () { video.play(); }); } } else { if (document.exitFullscreen) { document.exitFullscreen(); } else if (document.msExitFullscreen) { document.msExitFullscreen(); } else if (document.mozCancelFullScreen) { document.mozCancelFullScreen(); } else if (document.webkitExitFullscreen) { document.webkitExitFullscreen(); } } } }; var switchCam = function switchCam(deviceId) { return new Promise(function (resolve, reject) { if (localVideo && localVideo.srcObject && videoCams.length > 1 && !customStream && !screenShare) { connection.getSenders().forEach(function (sender) { if (sender.track.kind === 'audio') return; switchCamCount = (switchCamCount + 1) % videoCams.length; sender.track.stop(); var cam = typeof deviceId !== "undefined" ? deviceId : videoCams[switchCamCount].id; //use the settings that were set during connection initiation var clonedConstraints = Object.assign({}, constraints); clonedConstraints.video.deviceId = { exact: cam }; clonedConstraints.audio = false; navigator.mediaDevices.getUserMedia(clonedConstraints).then(function (newStream) { var newVideoTrack = newStream.getVideoTracks()[0]; newVideoTrack.enabled = localVideo.srcObject.getVideoTracks()[0].enabled; var audioTrack = localVideo.srcObject.getAudioTracks()[0]; sender.replaceTrack(newVideoTrack); localVideo.srcObject = newStream; // On Safari mobile _newStream_ doesn't contain audio track, so we need to add track from previous stream if (localVideo.srcObject.getAudioTracks().length == 0 && audioTrack) { localVideo.srcObject.addTrack(audioTrack); } logger.info("Switch camera to " + cam); resolve(cam); })["catch"](function (reason) { logger.error(LOG_PREFIX, reason); reject(reason); }); }); } else { reject(constants.ERROR_INFO.CAN_NOT_SWITCH_CAM); } }); }; var switchMic = function switchMic(deviceId) { return new Promise(function (resolve, reject) { if (localVideo && localVideo.srcObject && mics.length > 1 && !customStream) { connection.getSenders().forEach(function (sender) { if (sender.track.kind === 'video') return; switchMicCount = (switchMicCount + 1) % mics.length; sender.track.stop(); if (microphoneGain) { microphoneGain.release(); } var mic = typeof deviceId !== "undefined" ? deviceId : mics[switchMicCount].id; //use the settings that were set during connection initiation var clonedConstraints = Object.assign({}, constraints); clonedConstraints.audio.deviceId = { exact: mic }; clonedConstraints.video = false; navigator.mediaDevices.getUserMedia(clonedConstraints).then(function (newStream) { if (microphoneGain) { var currentGain = microphoneGain.gain.value; microphoneGain = createGainNode(newStream); microphoneGain.gain.value = currentGain; } var newAudioTrack = newStream.getAudioTracks()[0]; newAudioTrack.enabled = localVideo.srcObject.getAudioTracks()[0].enabled; currentAudioTrack = newAudioTrack; var videoTrack = localVideo.srcObject.getVideoTracks()[0]; if (systemSoundTrack) { var mixedTrack = mixAudioTracks(new MediaStream([newAudioTrack]), new MediaStream([systemSoundTrack])); mixedTrack.enabled = newAudioTrack.enabled; sender.replaceTrack(mixedTrack); localVideo.srcObject = new MediaStream([mixedTrack]); } else { sender.replaceTrack(newAudioTrack); localVideo.srcObject = newStream; } if (videoTrack) { localVideo.srcObject.addTrack(videoTrack); } logger.info("Switch mic to " + mic); resolve(mic); })["catch"](function (reason) { logger.error(LOG_PREFIX, reason); reject(reason); }); }); } else { reject(constants.ERROR_INFO.CAN_NOT_SWITCH_MIC); } }); }; var switchToScreen = function switchToScreen(source, woExtension) { return new Promise(function (resolve, reject) { if (!screenShare) { var clonedConstraints = { video: Object.assign({}, constraints.video), audio: Object.assign({}, constraints.audio) }; if (browserDetails.browser === 'firefox') { clonedConstraints.video.mediaSource = source; } if (window.chrome && woExtension) { getScreenDeviceIdWoExtension(clonedConstraints).then(function (screenSharingConstraints) { navigator.mediaDevices.getDisplayMedia(screenSharingConstraints).then(function (stream) { processScreenStream(stream, resolve); })["catch"](reject); }); return; } getScreenDeviceId(clonedConstraints).then(function (screenSharingConstraints) { clonedConstraints.sourceId = screenSharingConstraints.sourceId; if (screenSharingConstraints.audioMandatory) { clonedConstraints.audio = { mandatory: screenSharingConstraints.audioMandatory, optional: [] }; } else { delete clonedConstraints.audio; } if (browserDetails.browser == "firefox") { clonedConstraints.video = screenSharingConstraints; } else if (browserDetails.browser == "chrome") { delete clonedConstraints.video; clonedConstraints.video = { mandatory: screenSharingConstraints.mandatory }; } navigator.mediaDevices.getUserMedia(clonedConstraints).then(function (stream) { processScreenStream(stream, resolve); })["catch"](function (reason) { logger.error(reason); reject(reason); }); })["catch"](function (reason) { logger.error(reason); reject(reason); }); } }); }; var processScreenStream = function processScreenStream(stream, resolve) { connection.getSenders().forEach(function (sender) { if (sender.track.kind === 'audio') return; currentAudioTrack = localVideo.srcObject.getAudioTracks()[0]; currentVideoTrack = localVideo.srcObject.getVideoTracks()[0]; var newVideoTrack = stream.getVideoTracks()[0]; newVideoTrack.enabled = currentVideoTrack.enabled; sender.replaceTrack(newVideoTrack); localVideo.srcObject = stream; if (stream.getAudioTracks()[0]) { systemSoundTrack = stream.getAudioTracks()[0]; connection.getSenders().forEach(function (sender) { if (sender.track.kind === 'video') return; var mixedTrack = mixAudioTracks(stream, new MediaStream([sender.track])); mixedTrack.enabled = currentAudioTrack.enabled; sender.replaceTrack(mixedTrack); localVideo.srcObject.removeTrack(stream.getAudioTracks()[0]); localVideo.srcObject.addTrack(mixedTrack); currentAudioTrack.enabled = true; }); } else { localVideo.srcObject.addTrack(currentAudioTrack); } }); logger.info("Switch to screen"); screenShare = true; resolve(); }; var switchToCam = function switchToCam() { if (screenShare) { connection.getSenders().forEach(function (sender) { if (sender.track.kind === 'audio') return; currentVideoTrack.enabled = sender.track.enabled; sender.track.stop(); localVideo.srcObject = new MediaStream([currentVideoTrack]); sender.replaceTrack(currentVideoTrack); if (currentAudioTrack) { connection.getSenders().forEach(function (sender) { if (sender.track.kind === 'video') return; if (systemSoundTrack) { currentAudioTrack.enabled = sender.track.enabled; sender.track.stop(); systemSoundTrack.stop(); systemSoundTrack = null; sender.replaceTrack(currentAudioTrack); } localVideo.srcObject.addTrack(currentAudioTrack); }); } }); } logger.info("Switch to cam"); screenShare = false; }; var exports = {}; exports.state = state; exports.createOffer = createOffer; exports.createAnswer = createAnswer; exports.setRemoteSdp = setRemoteSdp; exports.changeAudioCodec = changeAudioCodec; exports.close = close; exports.setAudioOutputId = setAudioOutputId; exports.setVolume = setVolume; exports.unmuteRemoteAudio = unmuteRemoteAudio; exports.muteRemoteAudio = muteRemoteAudio; exports.isRemoteAudioMuted = isRemoteAudioMuted; exports.setMicrophoneGain = setMicrophoneGain; exports.getVolume = getVolume; exports.muteAudio = muteAudio; exports.unmuteAudio = unmuteAudio; exports.isAudioMuted = isAudioMuted; exports.muteVideo = muteVideo; exports.unmuteVideo = unmuteVideo; exports.isVideoMuted = isVideoMuted; exports.getStats = getStat; exports.fullScreen = fullScreen; exports.switchCam = switchCam; exports.switchMic = switchMic; exports.switchToScreen = switchToScreen; exports.switchToCam = switchToCam; connections[id] = exports; resolve(exports); }); }; var mixAudioTracks = function mixAudioTracks(stream1, stream2) { var stream1Sound = audioContext.createMediaStreamSource(stream1); var stream2Sound = audioContext.createMediaStreamSource(stream2); var destination = audioContext.createMediaStreamDestination(); var newStream = destination.stream; stream1Sound.connect(destination); stream2Sound.connect(destination); return newStream.getAudioTracks()[0]; }; var getMediaAccess = function getMediaAccess(constraints, display, disableConstraintsNormalization, useCanvas) { return new Promise(function (resolve, reject) { if (!constraints) { constraints = defaultConstraints; } if (!disableConstraintsNormalization) { constraints = normalizeConstraints(constraints); } var cacheInstance = getCacheInstance(display); if (cacheInstance && cacheInstance.srcObject && JSON.stringify(display.mediaTrackConstraints) == JSON.stringify(constraints) && !constraints.customStream) { resolve(display); return; } display.mediaTrackConstraints = constraints; releaseMedia(display); if (!constraints.video && !constraints.audio && !constraints.customStream) { resolve(display); return; } //check if this is screen sharing if (constraints.video && constraints.video.type && constraints.video.type == "screen") { delete constraints.video.type; //WCS-2751 Add screen capture using getDisplayMedia in Safari if (screenCaptureSupportedBrowsers() && constraints.video.withoutExtension) { getScreenDeviceIdWoExtension(constraints).then(function (screenSharingConstraints) { getScreenAccessWoExtension(screenSharingConstraints, constraints.audio); }); return; } var requestAudioConstraints = null; getScreenDeviceId(constraints).then(function (screenSharingConstraints) { //copy constraints constraints.sourceId = screenSharingConstraints.sourceId; requestAudioConstraints = constraints.audio; if (screenSharingConstraints.audioMandatory) { constraints.audio = { mandatory: screenSharingConstraints.audioMandatory, optional: [] }; } else { if (window.chrome) { constraints.audio = false; } } delete screenSharingConstraints.audioMandatory; delete screenSharingConstraints.sourceId; for (var prop in screenSharingConstraints) { if (screenSharingConstraints.hasOwnProperty(prop)) { constraints.video[prop] = screenSharingConstraints[prop]; } } if (browserDetails.browser == "chrome") { delete constraints.video.frameRate; delete constraints.video.height; delete constraints.video.width; delete constraints.systemSound; } getAccess(constraints, true, requestAudioConstraints); }, reject); } else { getAccess(constraints); } function getScreenAccessWoExtension(constraints, requestAudioConstraints) { //WCS-1952. exact constraints and system audio are not supported! navigator.mediaDevices.getDisplayMedia(constraints).then(function (stream) { loadVideo(display, stream, true, requestAudioConstraints, resolve, constraints); })["catch"](reject); } function getAccess(constraints, screenShare, requestAudioConstraints) { logger.info(LOG_PREFIX, constraints); if (constraints.customStream) { //get tracks if we have at least one defined constraint if (constraints.audio || constraints.video) { //remove customStream from constraints before passing to GUM var normalizedConstraints = { audio: constraints.audio ? constraints.audio : false, video: constraints.video ? constraints.video : false }; navigator.getUserMedia(normalizedConstraints, function (stream) { //add resulting tracks to customStream stream.getTracks().forEach(function (track) { constraints.customStream.addTrack(track); }); //display customStream loadVideo(display, constraints.customStream, screenShare, requestAudioConstraints, resolve, constraints); }, reject); } else { //display customStream loadVideo(display, constraints.customStream, screenShare, requestAudioConstraints, resolve, constraints); } } else { // WCS-2933, fix mobile streaming issues, gather info about available devices before streaming, but not during listDevices(false).then(function (devices) { devices.video.forEach(function (device) { videoCams.push(device); }); devices.audio.forEach(function (device) { mics.push(device); }); navigator.getUserMedia(constraints, function (stream) { loadVideo(display, stream, screenShare, requestAudioConstraints, resolve, constraints, useCanvas); }, reject); }, reject); } } }); }; var loadOrdinaryVideo = function loadOrdinaryVideo(display, stream, screenShare, constraints, video) { var vEl = video; if (!vEl) { vEl = document.createElement('video'); display.appendChild(vEl); } vEl.id = uuid_v1() + LOCAL_CACHED_VIDEO; vEl.srcObject = stream; //mute audio vEl.muted = true; vEl.onloadedmetadata = function (e) { //WCS-2751 Add screen capture using getDisplayMedia in Safari if (screenShare && !screenCaptureSupportedBrowsers()) { setScreenResolution(vEl, stream, constraints); } vEl.play(); }; return vEl; }; var loadCanvasVideo = function loadCanvasVideo(display, stream, video) { var vEl = video; if (!vEl) { createCanvasEl(display); createVideoEl(display.children[0]); vEl = display.children[0]; } else { // replace local video with canvas, set source video element as child for canvas if (vEl.tagName !== 'CANVAS') { var canvas = document.createElement('canvas'); display.replaceChild(canvas, vEl); canvas.appendChild(vEl); vEl = canvas; } } vEl.id = uuid_v1() + LOCAL_CACHED_VIDEO; var child = vEl.children[0]; child.srcObject = stream; //mute audio child.muted = true; child.onloadedmetadata = function (e) { child.play(); vEl.width = child.videoWidth; vEl.height = child.videoHeight; // Resize canvas to save aspect ratio resizeCanvas(vEl, child.videoWidth, child.videoHeight); }; // https://bugzilla.mozilla.org/show_bug.cgi?id=1572422 if (util.Browser.isFirefox()) { vEl.getContext('2d'); } vEl.srcObject = vEl.captureStream(30); if (stream.getAudioTracks().length > 0) { vEl.srcObject.addTrack(stream.getAudioTracks()[0]); } function createCanvasEl(parent) { var canvas = document.createElement('canvas'); parent.appendChild(canvas); } function createVideoEl(parent) { var video = document.createElement('video'); parent.appendChild(video); } function resizeCanvas(canvas, videoWidth, videoHeight) { if (!canvas.parentNode) { return; } var display = vEl.parentNode; var parentSize = { w: display.parentNode.clientWidth, h: display.parentNode.clientHeight }; var newSize; if (videoWidth && videoHeight) { newSize = downScaleToFitSize(videoWidth, videoHeight, parentSize.w, parentSize.h); } else { newSize = downScaleToFitSize(canvas.videoWidth, canvas.videoHeight, parentSize.w, parentSize.h); } display.style.width = newSize.w + "px"; display.style.height = newSize.h + "px"; //vertical align var margin = 0; if (parentSize.h - newSize.h > 1) { margin = Math.floor((parentSize.h - newSize.h) / 2); } display.style.margin = margin + "px auto"; function downScaleToFitSize(videoWidth, videoHeight, dstWidth, dstHeight) { var newWidth, newHeight; var videoRatio = videoWidth / videoHeight; var dstRatio = dstWidth / dstHeight; if (dstRatio > videoRatio) { newHeight = dstHeight; newWidth = Math.floor(videoRatio * dstHeight); } else { newWidth = dstWidth; newHeight = Math.floor(dstWidth / videoRatio); } return { w: newWidth, h: newHeight }; } } return vEl; }; var loadVideo = function loadVideo(display, stream, screenShare, requestAudioConstraints, resolve, constraints, useCanvas) { var video; if (useCanvas) { video = loadCanvasVideo(display, stream, getCacheInstance(display)); } else { video = loadOrdinaryVideo(display, stream, screenShare, constraints, getCacheInstance(display)); } if (createMicGainNode && stream.getAudioTracks().length > 0 && browserDetails.browser == "chrome") { //WCS-1696. We need to start audioContext to work with gain control audioContext.resume(); microphoneGain = createGainNode(stream); } if (constraints.systemSound && browserDetails.browser == "chrome") { addSystemSound(); } else { resolveCallback(); } function resolveCallback() { // This hack for chrome only, firefox supports screen-sharing + audio natively if (requestAudioConstraints && browserDetails.browser == "chrome") { logger.info(LOG_PREFIX, "Request for audio stream"); navigator.getUserMedia({ audio: requestAudioConstraints }, function (stream) { logger.info(LOG_PREFIX, "Got audio stream, add it to video stream"); if (video.srcObject.getAudioTracks()[0]) { var mixedTrack = mixAudioTracks(stream, video.srcObject); var originalTrack = video.srcObject.getAudioTracks()[0]; video.srcObject.removeTrack(originalTrack); video.srcObject.addTrack(mixedTrack); } else { video.srcObject.addTrack(stream.getAudioTracks()[0]); } resolve(display); }); } else { resolve(display); } } function addSystemSound() { chrome.runtime.sendMessage(extensionId, { type: "isInstalled" }, function (response) { if (response) { chrome.runtime.sendMessage(extensionId, { type: "getSourceId" }, function (response) { if (response.error) { resolveCallback(); logger.error(LOG_PREFIX, response.error); } else { if (response.systemSoundAccess) { var constraints = { audio: { mandatory: { chromeMediaSource: 'desktop', chromeMediaSourceId: response.sourceId, echoCancellation: true }, optional: [] }, video: { mandatory: { chromeMediaSource: 'desktop', chromeMediaSourceId: response.sourceId }, optional: [] } }; navigator.getUserMedia(constraints, function (audioStream) { if (stream.getAudioTracks().length > 0) { var originalAudioTrack = stream.getAudioTracks()[0]; var mixedTrack = mixAudioTracks(stream, audioStream); stream.addTrack(mixedTrack); stream.removeTrack(originalAudioTrack); } else { stream.addTrack(audioStream.getAudioTracks()[0]); } resolveCallback(); }, function (reason) { resolveCallback(); logger.error(LOG_PREFIX, reason); }); } else { resolveCallback(); logger.error(LOG_PREFIX, "System sound: access is denied by the user"); } } }); } else { resolveCallback(); } }); } }; var createGainNode = function createGainNode(stream) { var audioCtx = audioContext; var source = audioCtx.createMediaStreamSource(stream); var gainNode = audioCtx.createGain(); var destination = audioCtx.createMediaStreamDestination(); var outputStream = destination.stream; source.connect(gainNode); gainNode.connect(destination); var sourceAudioTrack = stream.getAudioTracks()[0]; gainNode.sourceAudioTrack = sourceAudioTrack; gainNode.release = function () { this.sourceAudioTrack.stop(); this.disconnect(); }; stream.addTrack(outputStream.getAudioTracks()[0]); stream.removeTrack(sourceAudioTrack); return gainNode; }; //Fix to set screen resolution for screen sharing in Firefox var setScreenResolution = function setScreenResolution(video, stream, constraints) { var newHeight; var newWidth; var videoRatio; if (video.videoWidth > video.videoHeight) { videoRatio = video.videoWidth / video.videoHeight; newHeight = constraints.video.videoWidth / videoRatio; newWidth = constraints.video.videoWidth; } else { videoRatio = video.videoHeight / video.videoWidth; newWidth = constraints.video.videoHeight / videoRatio; newHeight = constraints.video.videoHeight; } console.log("videoRatio === " + videoRatio); stream.getVideoTracks()[0].applyConstraints({ height: newHeight, width: newWidth }); }; //for chrome var getScreenDeviceIdWoExtension = function getScreenDeviceIdWoExtension(constraints) { return new Promise(function (resolve, reject) { //WCS-2751. exact constraints are supported. //WCS-1986. added audio: true to constraints. var video = {}; if (constraints.video.frameRate.ideal) { video.frameRate = constraints.video.frameRate.ideal; } if (constraints.video.width) { video.width = constraints.video.width; } if (constraints.video.height) { video.height = constraints.video.height; } if (Object.keys(video).length === 0) { video = true; } resolve({ video: video, audio: true }); }); }; var getScreenDeviceId = function getScreenDeviceId(constraints) { return new Promise(function (resolve, reject) { var o = {}; if (window.chrome) { chrome.runtime.sendMessage(extensionId, { type: "isInstalled" }, function (response) { //WCS-1972. fixed "TypeError" if (response) { o.maxWidth = constraints && constraints.video && constraints.video.width ? constraints.video.width : 320; o.maxHeight = constraints && constraints.video && constraints.video.height ? constraints.video.height : 240; o.maxFrameRate = constraints && constraints.video && constraints.video.frameRate && constraints.video.frameRate.ideal ? constraints.video.frameRate.ideal : 30; o.chromeMediaSource = "desktop"; chrome.runtime.sendMessage(extensionId, { type: "getSourceId" }, function (response) { if (response.error) { reject(new Error("Screen access denied")); } else { o.chromeMediaSourceId = response.sourceId; var result = { mandatory: o, sourceId: response.sourceId }; if (response.systemSoundAccess) { result.audioMandatory = { chromeMediaSource: "desktop", chromeMediaSourceId: response.sourceId, echoCancellation: true }; } resolve(result); } }); } else { reject(new Error("Screen sharing extension is not available")); } }); } else { //firefox case o.mediaSource = constraints.video.mediaSource; o.width = {}; o.height = {}; o.frameRate = { min: constraints.video.frameRate.max, max: constraints.video.frameRate.max }; o.videoWidth = constraints.video.width; o.videoHeight = constraints.video.height; resolve(o); } }); }; var releaseMedia = function releaseMedia(display) { var video = getCacheInstance(display); if (video) { removeVideoElement(video); return true; } return false; }; function getCacheInstance(display) { if (!display) return; var i; for (i = 0; i < display.children.length; i++) { if (display.children[i] && (display.children[i].id.indexOf(LOCAL_CACHED_VIDEO) != -1 || display.children[i].id.indexOf(REMOTE_CACHED_VIDEO) != -1)) { logger.info(LOG_PREFIX, "FOUND WEBRTC CACHED INSTANCE, id " + display.children[i].id); return display.children[i]; } } } function removeVideoElement(video) { if (video.srcObject) { //pause video.pause(); //stop media tracks var tracks = video.srcObject.getTracks(); for (var i = 0; i < tracks.length; i++) { tracks[i].stop(); if (video.id.indexOf(LOCAL_CACHED_VIDEO) != -1 && tracks[i].kind == 'audio' && microphoneGain) { microphoneGain.release(); } } video.srcObject = null; if (video.tagName === 'CANVAS') { for (var _i = 0; _i < video.children.length; _i++) { removeVideoElement(video.children[_i]); } } } } /** * Check WebRTC available * * @returns {boolean} webrtc available */ var available = function available() { //return (adapter.browserDetails.browser != "edge") ? navigator.getUserMedia && RTCPeerConnection : false; return 'getUserMedia' in navigator && 'RTCPeerConnection' in window; }; var listDevices = function listDevices(labels, kind, deviceConstraints) { //WCS-1963. added deviceConstraints. if (!deviceConstraints) { deviceConstraints = { audio: true, video: true }; } if (!kind) { kind = constants.MEDIA_DEVICE_KIND.INPUT; } else if (kind == "all") { kind = ""; } var getConstraints = function getConstraints(devices) { var constraints = {}; for (var i = 0; i < devices.length; i++) { var device = devices[i]; if (device.kind.indexOf("audio" + kind) === 0 && deviceConstraints.audio) { constraints.audio = true; } else if (device.kind.indexOf("video" + kind) === 0 && deviceConstraints.video) { constraints.video = true; } else { logger.debug(LOG_PREFIX, "unknown device " + device.kind + " id " + device.deviceId); } } return constraints; }; var getList = function getList(devices) { var list = { audio: [], video: [] }; var micCount = 0; var outputCount = 0; var camCount = 0; for (var i = 0; i < devices.length; i++) { var device = devices[i]; var ret = { id: device.deviceId, label: device.label }; if (device.kind.indexOf("audio" + kind) === 0 && device.deviceId != "communications") { ret.type = device.kind == "audioinput" ? "mic" : "speaker"; if (ret.type == "mic" && ret.label == "") { ret.label = 'microphone' + ++micCount; } if (ret.type == "speaker" && ret.label == "") { ret.label = 'speaker' + ++outputCount; } list.audio.push(ret); } else if (device.kind.indexOf("video" + kind) === 0) { if (ret.label == "") { ret.label = 'camera' + ++camCount; } ret.type = "camera"; list.video.push(ret); } else { logger.debug(LOG_PREFIX, "unknown device " + device.kind + " id " + device.deviceId); } } return list; }; return new Promise(function (resolve, reject) { navigator.mediaDevices.enumerateDevices().then(function (devices) { if (labels) { //WCS-2708. Fixed uncaught exception if no camera and mic var constraints = getConstraints(devices); if (Object.keys(constraints).length === 0) { reject(new Error(kind + " media devices not found")); return; } navigator.getUserMedia(constraints, function (stream) { navigator.mediaDevices.enumerateDevices().then(function (devicesWithLabales) { resolve(getList(devicesWithLabales)); stream.getTracks().forEach(function (track) { track.stop(); }); }, reject); }, reject); } else { resolve(getList(devices)); } }, reject); }); }; function normalizeConstraints(constraints) { //WCS-2010. fixed TypeError after publish->stop->publish //WCS-2373. fixed customStream var customStream = constraints.customStream; constraints = JSON.parse(JSON.stringify(constraints)); constraints.customStream = customStream; if (constraints.video) { if (constraints.video === true) { constraints.video = {}; } if (_typeof(constraints.video) === 'object') { var width = constraints.video.width; var height = constraints.video.height; if (browserDetails.browser == "safari") { if (!width || !height) { //WCS-3016 16:9 ratio constraints.video.width = { min: 320, max: 640 }; constraints.video.height = { min: 180, max: 360 }; } else if (_typeof(width) !== 'object' || _typeof(height) !== 'object') { constraints.video.width = { min: width, max: width }; constraints.video.height = { min: height, max: height }; } } else if (isNaN(width) || width === 0 || isNaN(height) || height === 0) { constraints.video.width = 320; constraints.video.height = 240; } //WCS-1972. fixed "TypeError" // Set default FPS value var frameRate = !constraints.video.frameRate || constraints.video.frameRate == 0 ? 30 : constraints.video.frameRate; constraints.video.frameRate = { ideal: frameRate }; } } if (constraints.audio) { // The WebRTC AEC implementation doesn't work well on stereophonic sound and makes mono on output if (constraints.audio.stereo) { constraints.audio.echoCancellation = false; constraints.audio.googEchoCancellation = false; } } return constraints; } var playFirstSound = function playFirstSound() { if (audioContext) { var buffer = audioContext.createBuffer(1, 441, 44100); var output = buffer.getChannelData(0); for (var i = 0; i < output.length; i++) { output[i] = 0; } var source = audioContext.createBufferSource(); source.buffer = buffer; // Connect to output (speakers) source.connect(audioContext.destination); // Play sound if (source.start) { source.start(0); } else if (source.play) { source.play(0); } else if (source.noteOn) { source.noteOn(0); } return true; } return false; }; var playFirstVideo = function playFirstVideo(display, isLocal, src) { return new Promise(function (resolve, reject) { if (!getCacheInstance(display)) { var video = document.createElement('video'); video.setAttribute("playsinline", ""); video.setAttribute("webkit-playsinline", ""); video.id = uuid_v1() + (isLocal ? LOCAL_CACHED_VIDEO : REMOTE_CACHED_VIDEO); //in WCS-1560 we removed video.play() call, because it triggers the “Unhandled Promise Rejection” exception in iOS Safari //in WCS-2160 we rolled back the changes made in WCS-1560 due to no audio on first playback in iOS Safari if (src) { video.src = src; video.play().then(function () { display.appendChild(video); resolve(); })["catch"](function () { //WCS-2375. fixed autoplay in ios safari logger.info(LOG_PREFIX, "Autoplay detected! Trying to play a video with a muted sound..."); video.muted = true; video.play().then(function () { display.appendChild(video); resolve(); }); //WCS-2375. low power mode suspends video play video.onsuspend = function (event) { reject(); }; }); return; } } resolve(); }); }; var screenCaptureSupportedBrowsers = function screenCaptureSupportedBrowsers() { return util.Browser.isChrome() || util.Browser.isSafari(); }; module.exports = { createConnection: createConnection, getMediaAccess: getMediaAccess, releaseMedia: releaseMedia, listDevices: listDevices, playFirstSound: playFirstSound, playFirstVideo: playFirstVideo, available: available, configure: function configure(configuration) { extensionId = configuration.extensionId; defaultConstraints = configuration.constraints; audioContext = configuration.audioContext; logger = configuration.logger; createMicGainNode = typeof configuration.createMicGainNode !== 'undefined' ? configuration.createMicGainNode : true; logger.info(LOG_PREFIX, "Initialized"); } }; },{"./constants":26,"./util":29,"uuid/v1":10,"webrtc-adapter":11}]},{},[27])(27) });