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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)
});