3481 lines
125 KiB
JavaScript
3481 lines
125 KiB
JavaScript
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.adapter = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
|
||
/*
|
||
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
|
||
*
|
||
* Use of this source code is governed by a BSD-style license
|
||
* that can be found in the LICENSE file in the root of the source
|
||
* tree.
|
||
*/
|
||
/* eslint-env node */
|
||
|
||
'use strict';
|
||
|
||
var _adapter_factory = require('./adapter_factory.js');
|
||
|
||
var adapter = (0, _adapter_factory.adapterFactory)({ window: typeof window === 'undefined' ? undefined : window });
|
||
module.exports = adapter; // this is the difference from adapter_core.
|
||
|
||
},{"./adapter_factory.js":2}],2:[function(require,module,exports){
|
||
'use strict';
|
||
|
||
Object.defineProperty(exports, "__esModule", {
|
||
value: true
|
||
});
|
||
exports.adapterFactory = adapterFactory;
|
||
|
||
var _utils = require('./utils');
|
||
|
||
var utils = _interopRequireWildcard(_utils);
|
||
|
||
var _chrome_shim = require('./chrome/chrome_shim');
|
||
|
||
var chromeShim = _interopRequireWildcard(_chrome_shim);
|
||
|
||
var _firefox_shim = require('./firefox/firefox_shim');
|
||
|
||
var firefoxShim = _interopRequireWildcard(_firefox_shim);
|
||
|
||
var _safari_shim = require('./safari/safari_shim');
|
||
|
||
var safariShim = _interopRequireWildcard(_safari_shim);
|
||
|
||
var _common_shim = require('./common_shim');
|
||
|
||
var commonShim = _interopRequireWildcard(_common_shim);
|
||
|
||
var _sdp = require('sdp');
|
||
|
||
var sdp = _interopRequireWildcard(_sdp);
|
||
|
||
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
|
||
|
||
// Shimming starts here.
|
||
/*
|
||
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
|
||
*
|
||
* Use of this source code is governed by a BSD-style license
|
||
* that can be found in the LICENSE file in the root of the source
|
||
* tree.
|
||
*/
|
||
function adapterFactory() {
|
||
var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
|
||
window = _ref.window;
|
||
|
||
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {
|
||
shimChrome: true,
|
||
shimFirefox: true,
|
||
shimSafari: true
|
||
};
|
||
|
||
// Utils.
|
||
var logging = utils.log;
|
||
var browserDetails = utils.detectBrowser(window);
|
||
|
||
var adapter = {
|
||
browserDetails: browserDetails,
|
||
commonShim: commonShim,
|
||
extractVersion: utils.extractVersion,
|
||
disableLog: utils.disableLog,
|
||
disableWarnings: utils.disableWarnings,
|
||
// Expose sdp as a convenience. For production apps include directly.
|
||
sdp: sdp
|
||
};
|
||
|
||
// Shim browser if found.
|
||
switch (browserDetails.browser) {
|
||
case 'chrome':
|
||
if (!chromeShim || !chromeShim.shimPeerConnection || !options.shimChrome) {
|
||
logging('Chrome shim is not included in this adapter release.');
|
||
return adapter;
|
||
}
|
||
if (browserDetails.version === null) {
|
||
logging('Chrome shim can not determine version, not shimming.');
|
||
return adapter;
|
||
}
|
||
logging('adapter.js shimming chrome.');
|
||
// Export to the adapter global object visible in the browser.
|
||
adapter.browserShim = chromeShim;
|
||
|
||
// Must be called before shimPeerConnection.
|
||
commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails);
|
||
commonShim.shimParameterlessSetLocalDescription(window, browserDetails);
|
||
|
||
chromeShim.shimGetUserMedia(window, browserDetails);
|
||
chromeShim.shimMediaStream(window, browserDetails);
|
||
chromeShim.shimPeerConnection(window, browserDetails);
|
||
chromeShim.shimOnTrack(window, browserDetails);
|
||
chromeShim.shimAddTrackRemoveTrack(window, browserDetails);
|
||
chromeShim.shimGetSendersWithDtmf(window, browserDetails);
|
||
chromeShim.shimGetStats(window, browserDetails);
|
||
chromeShim.shimSenderReceiverGetStats(window, browserDetails);
|
||
chromeShim.fixNegotiationNeeded(window, browserDetails);
|
||
|
||
commonShim.shimRTCIceCandidate(window, browserDetails);
|
||
commonShim.shimConnectionState(window, browserDetails);
|
||
commonShim.shimMaxMessageSize(window, browserDetails);
|
||
commonShim.shimSendThrowTypeError(window, browserDetails);
|
||
commonShim.removeExtmapAllowMixed(window, browserDetails);
|
||
break;
|
||
case 'firefox':
|
||
if (!firefoxShim || !firefoxShim.shimPeerConnection || !options.shimFirefox) {
|
||
logging('Firefox shim is not included in this adapter release.');
|
||
return adapter;
|
||
}
|
||
logging('adapter.js shimming firefox.');
|
||
// Export to the adapter global object visible in the browser.
|
||
adapter.browserShim = firefoxShim;
|
||
|
||
// Must be called before shimPeerConnection.
|
||
commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails);
|
||
commonShim.shimParameterlessSetLocalDescription(window, browserDetails);
|
||
|
||
firefoxShim.shimGetUserMedia(window, browserDetails);
|
||
firefoxShim.shimPeerConnection(window, browserDetails);
|
||
firefoxShim.shimOnTrack(window, browserDetails);
|
||
firefoxShim.shimRemoveStream(window, browserDetails);
|
||
firefoxShim.shimSenderGetStats(window, browserDetails);
|
||
firefoxShim.shimReceiverGetStats(window, browserDetails);
|
||
firefoxShim.shimRTCDataChannel(window, browserDetails);
|
||
firefoxShim.shimAddTransceiver(window, browserDetails);
|
||
firefoxShim.shimGetParameters(window, browserDetails);
|
||
firefoxShim.shimCreateOffer(window, browserDetails);
|
||
firefoxShim.shimCreateAnswer(window, browserDetails);
|
||
|
||
commonShim.shimRTCIceCandidate(window, browserDetails);
|
||
commonShim.shimConnectionState(window, browserDetails);
|
||
commonShim.shimMaxMessageSize(window, browserDetails);
|
||
commonShim.shimSendThrowTypeError(window, browserDetails);
|
||
break;
|
||
case 'safari':
|
||
if (!safariShim || !options.shimSafari) {
|
||
logging('Safari shim is not included in this adapter release.');
|
||
return adapter;
|
||
}
|
||
logging('adapter.js shimming safari.');
|
||
// Export to the adapter global object visible in the browser.
|
||
adapter.browserShim = safariShim;
|
||
|
||
// Must be called before shimCallbackAPI.
|
||
commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails);
|
||
commonShim.shimParameterlessSetLocalDescription(window, browserDetails);
|
||
|
||
safariShim.shimRTCIceServerUrls(window, browserDetails);
|
||
safariShim.shimCreateOfferLegacy(window, browserDetails);
|
||
safariShim.shimCallbacksAPI(window, browserDetails);
|
||
safariShim.shimLocalStreamsAPI(window, browserDetails);
|
||
safariShim.shimRemoteStreamsAPI(window, browserDetails);
|
||
safariShim.shimTrackEventTransceiver(window, browserDetails);
|
||
safariShim.shimGetUserMedia(window, browserDetails);
|
||
safariShim.shimAudioContext(window, browserDetails);
|
||
|
||
commonShim.shimRTCIceCandidate(window, browserDetails);
|
||
commonShim.shimMaxMessageSize(window, browserDetails);
|
||
commonShim.shimSendThrowTypeError(window, browserDetails);
|
||
commonShim.removeExtmapAllowMixed(window, browserDetails);
|
||
break;
|
||
default:
|
||
logging('Unsupported browser!');
|
||
break;
|
||
}
|
||
|
||
return adapter;
|
||
}
|
||
|
||
// Browser shims.
|
||
|
||
},{"./chrome/chrome_shim":3,"./common_shim":6,"./firefox/firefox_shim":7,"./safari/safari_shim":10,"./utils":11,"sdp":12}],3:[function(require,module,exports){
|
||
/*
|
||
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
|
||
*
|
||
* Use of this source code is governed by a BSD-style license
|
||
* that can be found in the LICENSE file in the root of the source
|
||
* tree.
|
||
*/
|
||
/* eslint-env node */
|
||
'use strict';
|
||
|
||
Object.defineProperty(exports, "__esModule", {
|
||
value: true
|
||
});
|
||
exports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined;
|
||
|
||
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
|
||
|
||
var _getusermedia = require('./getusermedia');
|
||
|
||
Object.defineProperty(exports, 'shimGetUserMedia', {
|
||
enumerable: true,
|
||
get: function get() {
|
||
return _getusermedia.shimGetUserMedia;
|
||
}
|
||
});
|
||
|
||
var _getdisplaymedia = require('./getdisplaymedia');
|
||
|
||
Object.defineProperty(exports, 'shimGetDisplayMedia', {
|
||
enumerable: true,
|
||
get: function get() {
|
||
return _getdisplaymedia.shimGetDisplayMedia;
|
||
}
|
||
});
|
||
exports.shimMediaStream = shimMediaStream;
|
||
exports.shimOnTrack = shimOnTrack;
|
||
exports.shimGetSendersWithDtmf = shimGetSendersWithDtmf;
|
||
exports.shimGetStats = shimGetStats;
|
||
exports.shimSenderReceiverGetStats = shimSenderReceiverGetStats;
|
||
exports.shimAddTrackRemoveTrackWithNative = shimAddTrackRemoveTrackWithNative;
|
||
exports.shimAddTrackRemoveTrack = shimAddTrackRemoveTrack;
|
||
exports.shimPeerConnection = shimPeerConnection;
|
||
exports.fixNegotiationNeeded = fixNegotiationNeeded;
|
||
|
||
var _utils = require('../utils.js');
|
||
|
||
var utils = _interopRequireWildcard(_utils);
|
||
|
||
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
|
||
|
||
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
|
||
|
||
function shimMediaStream(window) {
|
||
window.MediaStream = window.MediaStream || window.webkitMediaStream;
|
||
}
|
||
|
||
function shimOnTrack(window) {
|
||
if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && !('ontrack' in window.RTCPeerConnection.prototype)) {
|
||
Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {
|
||
get: function get() {
|
||
return this._ontrack;
|
||
},
|
||
set: function set(f) {
|
||
if (this._ontrack) {
|
||
this.removeEventListener('track', this._ontrack);
|
||
}
|
||
this.addEventListener('track', this._ontrack = f);
|
||
},
|
||
|
||
enumerable: true,
|
||
configurable: true
|
||
});
|
||
var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;
|
||
window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {
|
||
var _this = this;
|
||
|
||
if (!this._ontrackpoly) {
|
||
this._ontrackpoly = function (e) {
|
||
// onaddstream does not fire when a track is added to an existing
|
||
// stream. But stream.onaddtrack is implemented so we use that.
|
||
e.stream.addEventListener('addtrack', function (te) {
|
||
var receiver = void 0;
|
||
if (window.RTCPeerConnection.prototype.getReceivers) {
|
||
receiver = _this.getReceivers().find(function (r) {
|
||
return r.track && r.track.id === te.track.id;
|
||
});
|
||
} else {
|
||
receiver = { track: te.track };
|
||
}
|
||
|
||
var event = new Event('track');
|
||
event.track = te.track;
|
||
event.receiver = receiver;
|
||
event.transceiver = { receiver: receiver };
|
||
event.streams = [e.stream];
|
||
_this.dispatchEvent(event);
|
||
});
|
||
e.stream.getTracks().forEach(function (track) {
|
||
var receiver = void 0;
|
||
if (window.RTCPeerConnection.prototype.getReceivers) {
|
||
receiver = _this.getReceivers().find(function (r) {
|
||
return r.track && r.track.id === track.id;
|
||
});
|
||
} else {
|
||
receiver = { track: track };
|
||
}
|
||
var event = new Event('track');
|
||
event.track = track;
|
||
event.receiver = receiver;
|
||
event.transceiver = { receiver: receiver };
|
||
event.streams = [e.stream];
|
||
_this.dispatchEvent(event);
|
||
});
|
||
};
|
||
this.addEventListener('addstream', this._ontrackpoly);
|
||
}
|
||
return origSetRemoteDescription.apply(this, arguments);
|
||
};
|
||
} else {
|
||
// even if RTCRtpTransceiver is in window, it is only used and
|
||
// emitted in unified-plan. Unfortunately this means we need
|
||
// to unconditionally wrap the event.
|
||
utils.wrapPeerConnectionEvent(window, 'track', function (e) {
|
||
if (!e.transceiver) {
|
||
Object.defineProperty(e, 'transceiver', { value: { receiver: e.receiver } });
|
||
}
|
||
return e;
|
||
});
|
||
}
|
||
}
|
||
|
||
function shimGetSendersWithDtmf(window) {
|
||
// Overrides addTrack/removeTrack, depends on shimAddTrackRemoveTrack.
|
||
if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && !('getSenders' in window.RTCPeerConnection.prototype) && 'createDTMFSender' in window.RTCPeerConnection.prototype) {
|
||
var shimSenderWithDtmf = function shimSenderWithDtmf(pc, track) {
|
||
return {
|
||
track: track,
|
||
get dtmf() {
|
||
if (this._dtmf === undefined) {
|
||
if (track.kind === 'audio') {
|
||
this._dtmf = pc.createDTMFSender(track);
|
||
} else {
|
||
this._dtmf = null;
|
||
}
|
||
}
|
||
return this._dtmf;
|
||
},
|
||
_pc: pc
|
||
};
|
||
};
|
||
|
||
// augment addTrack when getSenders is not available.
|
||
if (!window.RTCPeerConnection.prototype.getSenders) {
|
||
window.RTCPeerConnection.prototype.getSenders = function getSenders() {
|
||
this._senders = this._senders || [];
|
||
return this._senders.slice(); // return a copy of the internal state.
|
||
};
|
||
var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
|
||
window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {
|
||
var sender = origAddTrack.apply(this, arguments);
|
||
if (!sender) {
|
||
sender = shimSenderWithDtmf(this, track);
|
||
this._senders.push(sender);
|
||
}
|
||
return sender;
|
||
};
|
||
|
||
var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
|
||
window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {
|
||
origRemoveTrack.apply(this, arguments);
|
||
var idx = this._senders.indexOf(sender);
|
||
if (idx !== -1) {
|
||
this._senders.splice(idx, 1);
|
||
}
|
||
};
|
||
}
|
||
var origAddStream = window.RTCPeerConnection.prototype.addStream;
|
||
window.RTCPeerConnection.prototype.addStream = function addStream(stream) {
|
||
var _this2 = this;
|
||
|
||
this._senders = this._senders || [];
|
||
origAddStream.apply(this, [stream]);
|
||
stream.getTracks().forEach(function (track) {
|
||
_this2._senders.push(shimSenderWithDtmf(_this2, track));
|
||
});
|
||
};
|
||
|
||
var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
|
||
window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {
|
||
var _this3 = this;
|
||
|
||
this._senders = this._senders || [];
|
||
origRemoveStream.apply(this, [stream]);
|
||
|
||
stream.getTracks().forEach(function (track) {
|
||
var sender = _this3._senders.find(function (s) {
|
||
return s.track === track;
|
||
});
|
||
if (sender) {
|
||
// remove sender
|
||
_this3._senders.splice(_this3._senders.indexOf(sender), 1);
|
||
}
|
||
});
|
||
};
|
||
} else if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && 'getSenders' in window.RTCPeerConnection.prototype && 'createDTMFSender' in window.RTCPeerConnection.prototype && window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) {
|
||
var origGetSenders = window.RTCPeerConnection.prototype.getSenders;
|
||
window.RTCPeerConnection.prototype.getSenders = function getSenders() {
|
||
var _this4 = this;
|
||
|
||
var senders = origGetSenders.apply(this, []);
|
||
senders.forEach(function (sender) {
|
||
return sender._pc = _this4;
|
||
});
|
||
return senders;
|
||
};
|
||
|
||
Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {
|
||
get: function get() {
|
||
if (this._dtmf === undefined) {
|
||
if (this.track.kind === 'audio') {
|
||
this._dtmf = this._pc.createDTMFSender(this.track);
|
||
} else {
|
||
this._dtmf = null;
|
||
}
|
||
}
|
||
return this._dtmf;
|
||
}
|
||
});
|
||
}
|
||
}
|
||
|
||
function shimGetStats(window) {
|
||
if (!window.RTCPeerConnection) {
|
||
return;
|
||
}
|
||
|
||
var origGetStats = window.RTCPeerConnection.prototype.getStats;
|
||
window.RTCPeerConnection.prototype.getStats = function getStats() {
|
||
var _this5 = this;
|
||
|
||
var _arguments = Array.prototype.slice.call(arguments),
|
||
selector = _arguments[0],
|
||
onSucc = _arguments[1],
|
||
onErr = _arguments[2];
|
||
|
||
// If selector is a function then we are in the old style stats so just
|
||
// pass back the original getStats format to avoid breaking old users.
|
||
|
||
|
||
if (arguments.length > 0 && typeof selector === 'function') {
|
||
return origGetStats.apply(this, arguments);
|
||
}
|
||
|
||
// When spec-style getStats is supported, return those when called with
|
||
// either no arguments or the selector argument is null.
|
||
if (origGetStats.length === 0 && (arguments.length === 0 || typeof selector !== 'function')) {
|
||
return origGetStats.apply(this, []);
|
||
}
|
||
|
||
var fixChromeStats_ = function fixChromeStats_(response) {
|
||
var standardReport = {};
|
||
var reports = response.result();
|
||
reports.forEach(function (report) {
|
||
var standardStats = {
|
||
id: report.id,
|
||
timestamp: report.timestamp,
|
||
type: {
|
||
localcandidate: 'local-candidate',
|
||
remotecandidate: 'remote-candidate'
|
||
}[report.type] || report.type
|
||
};
|
||
report.names().forEach(function (name) {
|
||
standardStats[name] = report.stat(name);
|
||
});
|
||
standardReport[standardStats.id] = standardStats;
|
||
});
|
||
|
||
return standardReport;
|
||
};
|
||
|
||
// shim getStats with maplike support
|
||
var makeMapStats = function makeMapStats(stats) {
|
||
return new Map(Object.keys(stats).map(function (key) {
|
||
return [key, stats[key]];
|
||
}));
|
||
};
|
||
|
||
if (arguments.length >= 2) {
|
||
var successCallbackWrapper_ = function successCallbackWrapper_(response) {
|
||
onSucc(makeMapStats(fixChromeStats_(response)));
|
||
};
|
||
|
||
return origGetStats.apply(this, [successCallbackWrapper_, selector]);
|
||
}
|
||
|
||
// promise-support
|
||
return new Promise(function (resolve, reject) {
|
||
origGetStats.apply(_this5, [function (response) {
|
||
resolve(makeMapStats(fixChromeStats_(response)));
|
||
}, reject]);
|
||
}).then(onSucc, onErr);
|
||
};
|
||
}
|
||
|
||
function shimSenderReceiverGetStats(window) {
|
||
if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && window.RTCRtpSender && window.RTCRtpReceiver)) {
|
||
return;
|
||
}
|
||
|
||
// shim sender stats.
|
||
if (!('getStats' in window.RTCRtpSender.prototype)) {
|
||
var origGetSenders = window.RTCPeerConnection.prototype.getSenders;
|
||
if (origGetSenders) {
|
||
window.RTCPeerConnection.prototype.getSenders = function getSenders() {
|
||
var _this6 = this;
|
||
|
||
var senders = origGetSenders.apply(this, []);
|
||
senders.forEach(function (sender) {
|
||
return sender._pc = _this6;
|
||
});
|
||
return senders;
|
||
};
|
||
}
|
||
|
||
var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
|
||
if (origAddTrack) {
|
||
window.RTCPeerConnection.prototype.addTrack = function addTrack() {
|
||
var sender = origAddTrack.apply(this, arguments);
|
||
sender._pc = this;
|
||
return sender;
|
||
};
|
||
}
|
||
window.RTCRtpSender.prototype.getStats = function getStats() {
|
||
var sender = this;
|
||
return this._pc.getStats().then(function (result) {
|
||
return (
|
||
/* Note: this will include stats of all senders that
|
||
* send a track with the same id as sender.track as
|
||
* it is not possible to identify the RTCRtpSender.
|
||
*/
|
||
utils.filterStats(result, sender.track, true)
|
||
);
|
||
});
|
||
};
|
||
}
|
||
|
||
// shim receiver stats.
|
||
if (!('getStats' in window.RTCRtpReceiver.prototype)) {
|
||
var origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;
|
||
if (origGetReceivers) {
|
||
window.RTCPeerConnection.prototype.getReceivers = function getReceivers() {
|
||
var _this7 = this;
|
||
|
||
var receivers = origGetReceivers.apply(this, []);
|
||
receivers.forEach(function (receiver) {
|
||
return receiver._pc = _this7;
|
||
});
|
||
return receivers;
|
||
};
|
||
}
|
||
utils.wrapPeerConnectionEvent(window, 'track', function (e) {
|
||
e.receiver._pc = e.srcElement;
|
||
return e;
|
||
});
|
||
window.RTCRtpReceiver.prototype.getStats = function getStats() {
|
||
var receiver = this;
|
||
return this._pc.getStats().then(function (result) {
|
||
return utils.filterStats(result, receiver.track, false);
|
||
});
|
||
};
|
||
}
|
||
|
||
if (!('getStats' in window.RTCRtpSender.prototype && 'getStats' in window.RTCRtpReceiver.prototype)) {
|
||
return;
|
||
}
|
||
|
||
// shim RTCPeerConnection.getStats(track).
|
||
var origGetStats = window.RTCPeerConnection.prototype.getStats;
|
||
window.RTCPeerConnection.prototype.getStats = function getStats() {
|
||
if (arguments.length > 0 && arguments[0] instanceof window.MediaStreamTrack) {
|
||
var track = arguments[0];
|
||
var sender = void 0;
|
||
var receiver = void 0;
|
||
var err = void 0;
|
||
this.getSenders().forEach(function (s) {
|
||
if (s.track === track) {
|
||
if (sender) {
|
||
err = true;
|
||
} else {
|
||
sender = s;
|
||
}
|
||
}
|
||
});
|
||
this.getReceivers().forEach(function (r) {
|
||
if (r.track === track) {
|
||
if (receiver) {
|
||
err = true;
|
||
} else {
|
||
receiver = r;
|
||
}
|
||
}
|
||
return r.track === track;
|
||
});
|
||
if (err || sender && receiver) {
|
||
return Promise.reject(new DOMException('There are more than one sender or receiver for the track.', 'InvalidAccessError'));
|
||
} else if (sender) {
|
||
return sender.getStats();
|
||
} else if (receiver) {
|
||
return receiver.getStats();
|
||
}
|
||
return Promise.reject(new DOMException('There is no sender or receiver for the track.', 'InvalidAccessError'));
|
||
}
|
||
return origGetStats.apply(this, arguments);
|
||
};
|
||
}
|
||
|
||
function shimAddTrackRemoveTrackWithNative(window) {
|
||
// shim addTrack/removeTrack with native variants in order to make
|
||
// the interactions with legacy getLocalStreams behave as in other browsers.
|
||
// Keeps a mapping stream.id => [stream, rtpsenders...]
|
||
window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {
|
||
var _this8 = this;
|
||
|
||
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
|
||
return Object.keys(this._shimmedLocalStreams).map(function (streamId) {
|
||
return _this8._shimmedLocalStreams[streamId][0];
|
||
});
|
||
};
|
||
|
||
var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
|
||
window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {
|
||
if (!stream) {
|
||
return origAddTrack.apply(this, arguments);
|
||
}
|
||
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
|
||
|
||
var sender = origAddTrack.apply(this, arguments);
|
||
if (!this._shimmedLocalStreams[stream.id]) {
|
||
this._shimmedLocalStreams[stream.id] = [stream, sender];
|
||
} else if (this._shimmedLocalStreams[stream.id].indexOf(sender) === -1) {
|
||
this._shimmedLocalStreams[stream.id].push(sender);
|
||
}
|
||
return sender;
|
||
};
|
||
|
||
var origAddStream = window.RTCPeerConnection.prototype.addStream;
|
||
window.RTCPeerConnection.prototype.addStream = function addStream(stream) {
|
||
var _this9 = this;
|
||
|
||
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
|
||
|
||
stream.getTracks().forEach(function (track) {
|
||
var alreadyExists = _this9.getSenders().find(function (s) {
|
||
return s.track === track;
|
||
});
|
||
if (alreadyExists) {
|
||
throw new DOMException('Track already exists.', 'InvalidAccessError');
|
||
}
|
||
});
|
||
var existingSenders = this.getSenders();
|
||
origAddStream.apply(this, arguments);
|
||
var newSenders = this.getSenders().filter(function (newSender) {
|
||
return existingSenders.indexOf(newSender) === -1;
|
||
});
|
||
this._shimmedLocalStreams[stream.id] = [stream].concat(newSenders);
|
||
};
|
||
|
||
var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
|
||
window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {
|
||
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
|
||
delete this._shimmedLocalStreams[stream.id];
|
||
return origRemoveStream.apply(this, arguments);
|
||
};
|
||
|
||
var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
|
||
window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {
|
||
var _this10 = this;
|
||
|
||
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
|
||
if (sender) {
|
||
Object.keys(this._shimmedLocalStreams).forEach(function (streamId) {
|
||
var idx = _this10._shimmedLocalStreams[streamId].indexOf(sender);
|
||
if (idx !== -1) {
|
||
_this10._shimmedLocalStreams[streamId].splice(idx, 1);
|
||
}
|
||
if (_this10._shimmedLocalStreams[streamId].length === 1) {
|
||
delete _this10._shimmedLocalStreams[streamId];
|
||
}
|
||
});
|
||
}
|
||
return origRemoveTrack.apply(this, arguments);
|
||
};
|
||
}
|
||
|
||
function shimAddTrackRemoveTrack(window, browserDetails) {
|
||
if (!window.RTCPeerConnection) {
|
||
return;
|
||
}
|
||
// shim addTrack and removeTrack.
|
||
if (window.RTCPeerConnection.prototype.addTrack && browserDetails.version >= 65) {
|
||
return shimAddTrackRemoveTrackWithNative(window);
|
||
}
|
||
|
||
// also shim pc.getLocalStreams when addTrack is shimmed
|
||
// to return the original streams.
|
||
var origGetLocalStreams = window.RTCPeerConnection.prototype.getLocalStreams;
|
||
window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {
|
||
var _this11 = this;
|
||
|
||
var nativeStreams = origGetLocalStreams.apply(this);
|
||
this._reverseStreams = this._reverseStreams || {};
|
||
return nativeStreams.map(function (stream) {
|
||
return _this11._reverseStreams[stream.id];
|
||
});
|
||
};
|
||
|
||
var origAddStream = window.RTCPeerConnection.prototype.addStream;
|
||
window.RTCPeerConnection.prototype.addStream = function addStream(stream) {
|
||
var _this12 = this;
|
||
|
||
this._streams = this._streams || {};
|
||
this._reverseStreams = this._reverseStreams || {};
|
||
|
||
stream.getTracks().forEach(function (track) {
|
||
var alreadyExists = _this12.getSenders().find(function (s) {
|
||
return s.track === track;
|
||
});
|
||
if (alreadyExists) {
|
||
throw new DOMException('Track already exists.', 'InvalidAccessError');
|
||
}
|
||
});
|
||
// Add identity mapping for consistency with addTrack.
|
||
// Unless this is being used with a stream from addTrack.
|
||
if (!this._reverseStreams[stream.id]) {
|
||
var newStream = new window.MediaStream(stream.getTracks());
|
||
this._streams[stream.id] = newStream;
|
||
this._reverseStreams[newStream.id] = stream;
|
||
stream = newStream;
|
||
}
|
||
origAddStream.apply(this, [stream]);
|
||
};
|
||
|
||
var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
|
||
window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {
|
||
this._streams = this._streams || {};
|
||
this._reverseStreams = this._reverseStreams || {};
|
||
|
||
origRemoveStream.apply(this, [this._streams[stream.id] || stream]);
|
||
delete this._reverseStreams[this._streams[stream.id] ? this._streams[stream.id].id : stream.id];
|
||
delete this._streams[stream.id];
|
||
};
|
||
|
||
window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {
|
||
var _this13 = this;
|
||
|
||
if (this.signalingState === 'closed') {
|
||
throw new DOMException('The RTCPeerConnection\'s signalingState is \'closed\'.', 'InvalidStateError');
|
||
}
|
||
var streams = [].slice.call(arguments, 1);
|
||
if (streams.length !== 1 || !streams[0].getTracks().find(function (t) {
|
||
return t === track;
|
||
})) {
|
||
// this is not fully correct but all we can manage without
|
||
// [[associated MediaStreams]] internal slot.
|
||
throw new DOMException('The adapter.js addTrack polyfill only supports a single ' + ' stream which is associated with the specified track.', 'NotSupportedError');
|
||
}
|
||
|
||
var alreadyExists = this.getSenders().find(function (s) {
|
||
return s.track === track;
|
||
});
|
||
if (alreadyExists) {
|
||
throw new DOMException('Track already exists.', 'InvalidAccessError');
|
||
}
|
||
|
||
this._streams = this._streams || {};
|
||
this._reverseStreams = this._reverseStreams || {};
|
||
var oldStream = this._streams[stream.id];
|
||
if (oldStream) {
|
||
// this is using odd Chrome behaviour, use with caution:
|
||
// https://bugs.chromium.org/p/webrtc/issues/detail?id=7815
|
||
// Note: we rely on the high-level addTrack/dtmf shim to
|
||
// create the sender with a dtmf sender.
|
||
oldStream.addTrack(track);
|
||
|
||
// Trigger ONN async.
|
||
Promise.resolve().then(function () {
|
||
_this13.dispatchEvent(new Event('negotiationneeded'));
|
||
});
|
||
} else {
|
||
var newStream = new window.MediaStream([track]);
|
||
this._streams[stream.id] = newStream;
|
||
this._reverseStreams[newStream.id] = stream;
|
||
this.addStream(newStream);
|
||
}
|
||
return this.getSenders().find(function (s) {
|
||
return s.track === track;
|
||
});
|
||
};
|
||
|
||
// replace the internal stream id with the external one and
|
||
// vice versa.
|
||
function replaceInternalStreamId(pc, description) {
|
||
var sdp = description.sdp;
|
||
Object.keys(pc._reverseStreams || []).forEach(function (internalId) {
|
||
var externalStream = pc._reverseStreams[internalId];
|
||
var internalStream = pc._streams[externalStream.id];
|
||
sdp = sdp.replace(new RegExp(internalStream.id, 'g'), externalStream.id);
|
||
});
|
||
return new RTCSessionDescription({
|
||
type: description.type,
|
||
sdp: sdp
|
||
});
|
||
}
|
||
function replaceExternalStreamId(pc, description) {
|
||
var sdp = description.sdp;
|
||
Object.keys(pc._reverseStreams || []).forEach(function (internalId) {
|
||
var externalStream = pc._reverseStreams[internalId];
|
||
var internalStream = pc._streams[externalStream.id];
|
||
sdp = sdp.replace(new RegExp(externalStream.id, 'g'), internalStream.id);
|
||
});
|
||
return new RTCSessionDescription({
|
||
type: description.type,
|
||
sdp: sdp
|
||
});
|
||
}
|
||
['createOffer', 'createAnswer'].forEach(function (method) {
|
||
var nativeMethod = window.RTCPeerConnection.prototype[method];
|
||
var methodObj = _defineProperty({}, method, function () {
|
||
var _this14 = this;
|
||
|
||
var args = arguments;
|
||
var isLegacyCall = arguments.length && typeof arguments[0] === 'function';
|
||
if (isLegacyCall) {
|
||
return nativeMethod.apply(this, [function (description) {
|
||
var desc = replaceInternalStreamId(_this14, description);
|
||
args[0].apply(null, [desc]);
|
||
}, function (err) {
|
||
if (args[1]) {
|
||
args[1].apply(null, err);
|
||
}
|
||
}, arguments[2]]);
|
||
}
|
||
return nativeMethod.apply(this, arguments).then(function (description) {
|
||
return replaceInternalStreamId(_this14, description);
|
||
});
|
||
});
|
||
window.RTCPeerConnection.prototype[method] = methodObj[method];
|
||
});
|
||
|
||
var origSetLocalDescription = window.RTCPeerConnection.prototype.setLocalDescription;
|
||
window.RTCPeerConnection.prototype.setLocalDescription = function setLocalDescription() {
|
||
if (!arguments.length || !arguments[0].type) {
|
||
return origSetLocalDescription.apply(this, arguments);
|
||
}
|
||
arguments[0] = replaceExternalStreamId(this, arguments[0]);
|
||
return origSetLocalDescription.apply(this, arguments);
|
||
};
|
||
|
||
// TODO: mangle getStats: https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamstats-streamidentifier
|
||
|
||
var origLocalDescription = Object.getOwnPropertyDescriptor(window.RTCPeerConnection.prototype, 'localDescription');
|
||
Object.defineProperty(window.RTCPeerConnection.prototype, 'localDescription', {
|
||
get: function get() {
|
||
var description = origLocalDescription.get.apply(this);
|
||
if (description.type === '') {
|
||
return description;
|
||
}
|
||
return replaceInternalStreamId(this, description);
|
||
}
|
||
});
|
||
|
||
window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {
|
||
var _this15 = this;
|
||
|
||
if (this.signalingState === 'closed') {
|
||
throw new DOMException('The RTCPeerConnection\'s signalingState is \'closed\'.', 'InvalidStateError');
|
||
}
|
||
// We can not yet check for sender instanceof RTCRtpSender
|
||
// since we shim RTPSender. So we check if sender._pc is set.
|
||
if (!sender._pc) {
|
||
throw new DOMException('Argument 1 of RTCPeerConnection.removeTrack ' + 'does not implement interface RTCRtpSender.', 'TypeError');
|
||
}
|
||
var isLocal = sender._pc === this;
|
||
if (!isLocal) {
|
||
throw new DOMException('Sender was not created by this connection.', 'InvalidAccessError');
|
||
}
|
||
|
||
// Search for the native stream the senders track belongs to.
|
||
this._streams = this._streams || {};
|
||
var stream = void 0;
|
||
Object.keys(this._streams).forEach(function (streamid) {
|
||
var hasTrack = _this15._streams[streamid].getTracks().find(function (track) {
|
||
return sender.track === track;
|
||
});
|
||
if (hasTrack) {
|
||
stream = _this15._streams[streamid];
|
||
}
|
||
});
|
||
|
||
if (stream) {
|
||
if (stream.getTracks().length === 1) {
|
||
// if this is the last track of the stream, remove the stream. This
|
||
// takes care of any shimmed _senders.
|
||
this.removeStream(this._reverseStreams[stream.id]);
|
||
} else {
|
||
// relying on the same odd chrome behaviour as above.
|
||
stream.removeTrack(sender.track);
|
||
}
|
||
this.dispatchEvent(new Event('negotiationneeded'));
|
||
}
|
||
};
|
||
}
|
||
|
||
function shimPeerConnection(window, browserDetails) {
|
||
if (!window.RTCPeerConnection && window.webkitRTCPeerConnection) {
|
||
// very basic support for old versions.
|
||
window.RTCPeerConnection = window.webkitRTCPeerConnection;
|
||
}
|
||
if (!window.RTCPeerConnection) {
|
||
return;
|
||
}
|
||
|
||
// shim implicit creation of RTCSessionDescription/RTCIceCandidate
|
||
if (browserDetails.version < 53) {
|
||
['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'].forEach(function (method) {
|
||
var nativeMethod = window.RTCPeerConnection.prototype[method];
|
||
var methodObj = _defineProperty({}, method, function () {
|
||
arguments[0] = new (method === 'addIceCandidate' ? window.RTCIceCandidate : window.RTCSessionDescription)(arguments[0]);
|
||
return nativeMethod.apply(this, arguments);
|
||
});
|
||
window.RTCPeerConnection.prototype[method] = methodObj[method];
|
||
});
|
||
}
|
||
}
|
||
|
||
// Attempt to fix ONN in plan-b mode.
|
||
function fixNegotiationNeeded(window, browserDetails) {
|
||
utils.wrapPeerConnectionEvent(window, 'negotiationneeded', function (e) {
|
||
var pc = e.target;
|
||
if (browserDetails.version < 72 || pc.getConfiguration && pc.getConfiguration().sdpSemantics === 'plan-b') {
|
||
if (pc.signalingState !== 'stable') {
|
||
return;
|
||
}
|
||
}
|
||
return e;
|
||
});
|
||
}
|
||
|
||
},{"../utils.js":11,"./getdisplaymedia":4,"./getusermedia":5}],4:[function(require,module,exports){
|
||
/*
|
||
* Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.
|
||
*
|
||
* Use of this source code is governed by a BSD-style license
|
||
* that can be found in the LICENSE file in the root of the source
|
||
* tree.
|
||
*/
|
||
/* eslint-env node */
|
||
'use strict';
|
||
|
||
Object.defineProperty(exports, "__esModule", {
|
||
value: true
|
||
});
|
||
exports.shimGetDisplayMedia = shimGetDisplayMedia;
|
||
function shimGetDisplayMedia(window, getSourceId) {
|
||
if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {
|
||
return;
|
||
}
|
||
if (!window.navigator.mediaDevices) {
|
||
return;
|
||
}
|
||
// getSourceId is a function that returns a promise resolving with
|
||
// the sourceId of the screen/window/tab to be shared.
|
||
if (typeof getSourceId !== 'function') {
|
||
console.error('shimGetDisplayMedia: getSourceId argument is not ' + 'a function');
|
||
return;
|
||
}
|
||
window.navigator.mediaDevices.getDisplayMedia = function getDisplayMedia(constraints) {
|
||
return getSourceId(constraints).then(function (sourceId) {
|
||
var widthSpecified = constraints.video && constraints.video.width;
|
||
var heightSpecified = constraints.video && constraints.video.height;
|
||
var frameRateSpecified = constraints.video && constraints.video.frameRate;
|
||
constraints.video = {
|
||
mandatory: {
|
||
chromeMediaSource: 'desktop',
|
||
chromeMediaSourceId: sourceId,
|
||
maxFrameRate: frameRateSpecified || 3
|
||
}
|
||
};
|
||
if (widthSpecified) {
|
||
constraints.video.mandatory.maxWidth = widthSpecified;
|
||
}
|
||
if (heightSpecified) {
|
||
constraints.video.mandatory.maxHeight = heightSpecified;
|
||
}
|
||
return window.navigator.mediaDevices.getUserMedia(constraints);
|
||
});
|
||
};
|
||
}
|
||
|
||
},{}],5:[function(require,module,exports){
|
||
/*
|
||
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
|
||
*
|
||
* Use of this source code is governed by a BSD-style license
|
||
* that can be found in the LICENSE file in the root of the source
|
||
* tree.
|
||
*/
|
||
/* eslint-env node */
|
||
'use strict';
|
||
|
||
Object.defineProperty(exports, "__esModule", {
|
||
value: true
|
||
});
|
||
|
||
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
|
||
|
||
exports.shimGetUserMedia = shimGetUserMedia;
|
||
|
||
var _utils = require('../utils.js');
|
||
|
||
var utils = _interopRequireWildcard(_utils);
|
||
|
||
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
|
||
|
||
var logging = utils.log;
|
||
|
||
function shimGetUserMedia(window, browserDetails) {
|
||
var navigator = window && window.navigator;
|
||
|
||
if (!navigator.mediaDevices) {
|
||
return;
|
||
}
|
||
|
||
var constraintsToChrome_ = function constraintsToChrome_(c) {
|
||
if ((typeof c === 'undefined' ? 'undefined' : _typeof(c)) !== 'object' || c.mandatory || c.optional) {
|
||
return c;
|
||
}
|
||
var cc = {};
|
||
Object.keys(c).forEach(function (key) {
|
||
if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
|
||
return;
|
||
}
|
||
var r = _typeof(c[key]) === 'object' ? c[key] : { ideal: c[key] };
|
||
if (r.exact !== undefined && typeof r.exact === 'number') {
|
||
r.min = r.max = r.exact;
|
||
}
|
||
var oldname_ = function oldname_(prefix, name) {
|
||
if (prefix) {
|
||
return prefix + name.charAt(0).toUpperCase() + name.slice(1);
|
||
}
|
||
return name === 'deviceId' ? 'sourceId' : name;
|
||
};
|
||
if (r.ideal !== undefined) {
|
||
cc.optional = cc.optional || [];
|
||
var oc = {};
|
||
if (typeof r.ideal === 'number') {
|
||
oc[oldname_('min', key)] = r.ideal;
|
||
cc.optional.push(oc);
|
||
oc = {};
|
||
oc[oldname_('max', key)] = r.ideal;
|
||
cc.optional.push(oc);
|
||
} else {
|
||
oc[oldname_('', key)] = r.ideal;
|
||
cc.optional.push(oc);
|
||
}
|
||
}
|
||
if (r.exact !== undefined && typeof r.exact !== 'number') {
|
||
cc.mandatory = cc.mandatory || {};
|
||
cc.mandatory[oldname_('', key)] = r.exact;
|
||
} else {
|
||
['min', 'max'].forEach(function (mix) {
|
||
if (r[mix] !== undefined) {
|
||
cc.mandatory = cc.mandatory || {};
|
||
cc.mandatory[oldname_(mix, key)] = r[mix];
|
||
}
|
||
});
|
||
}
|
||
});
|
||
if (c.advanced) {
|
||
cc.optional = (cc.optional || []).concat(c.advanced);
|
||
}
|
||
return cc;
|
||
};
|
||
|
||
var shimConstraints_ = function shimConstraints_(constraints, func) {
|
||
if (browserDetails.version >= 61) {
|
||
return func(constraints);
|
||
}
|
||
constraints = JSON.parse(JSON.stringify(constraints));
|
||
if (constraints && _typeof(constraints.audio) === 'object') {
|
||
var remap = function remap(obj, a, b) {
|
||
if (a in obj && !(b in obj)) {
|
||
obj[b] = obj[a];
|
||
delete obj[a];
|
||
}
|
||
};
|
||
constraints = JSON.parse(JSON.stringify(constraints));
|
||
remap(constraints.audio, 'autoGainControl', 'googAutoGainControl');
|
||
remap(constraints.audio, 'noiseSuppression', 'googNoiseSuppression');
|
||
constraints.audio = constraintsToChrome_(constraints.audio);
|
||
}
|
||
if (constraints && _typeof(constraints.video) === 'object') {
|
||
// Shim facingMode for mobile & surface pro.
|
||
var face = constraints.video.facingMode;
|
||
face = face && ((typeof face === 'undefined' ? 'undefined' : _typeof(face)) === 'object' ? face : { ideal: face });
|
||
var getSupportedFacingModeLies = browserDetails.version < 66;
|
||
|
||
if (face && (face.exact === 'user' || face.exact === 'environment' || face.ideal === 'user' || face.ideal === 'environment') && !(navigator.mediaDevices.getSupportedConstraints && navigator.mediaDevices.getSupportedConstraints().facingMode && !getSupportedFacingModeLies)) {
|
||
delete constraints.video.facingMode;
|
||
var matches = void 0;
|
||
if (face.exact === 'environment' || face.ideal === 'environment') {
|
||
matches = ['back', 'rear'];
|
||
} else if (face.exact === 'user' || face.ideal === 'user') {
|
||
matches = ['front'];
|
||
}
|
||
if (matches) {
|
||
// Look for matches in label, or use last cam for back (typical).
|
||
return navigator.mediaDevices.enumerateDevices().then(function (devices) {
|
||
devices = devices.filter(function (d) {
|
||
return d.kind === 'videoinput';
|
||
});
|
||
var dev = devices.find(function (d) {
|
||
return matches.some(function (match) {
|
||
return d.label.toLowerCase().includes(match);
|
||
});
|
||
});
|
||
if (!dev && devices.length && matches.includes('back')) {
|
||
dev = devices[devices.length - 1]; // more likely the back cam
|
||
}
|
||
if (dev) {
|
||
constraints.video.deviceId = face.exact ? { exact: dev.deviceId } : { ideal: dev.deviceId };
|
||
}
|
||
constraints.video = constraintsToChrome_(constraints.video);
|
||
logging('chrome: ' + JSON.stringify(constraints));
|
||
return func(constraints);
|
||
});
|
||
}
|
||
}
|
||
constraints.video = constraintsToChrome_(constraints.video);
|
||
}
|
||
logging('chrome: ' + JSON.stringify(constraints));
|
||
return func(constraints);
|
||
};
|
||
|
||
var shimError_ = function shimError_(e) {
|
||
if (browserDetails.version >= 64) {
|
||
return e;
|
||
}
|
||
return {
|
||
name: {
|
||
PermissionDeniedError: 'NotAllowedError',
|
||
PermissionDismissedError: 'NotAllowedError',
|
||
InvalidStateError: 'NotAllowedError',
|
||
DevicesNotFoundError: 'NotFoundError',
|
||
ConstraintNotSatisfiedError: 'OverconstrainedError',
|
||
TrackStartError: 'NotReadableError',
|
||
MediaDeviceFailedDueToShutdown: 'NotAllowedError',
|
||
MediaDeviceKillSwitchOn: 'NotAllowedError',
|
||
TabCaptureError: 'AbortError',
|
||
ScreenCaptureError: 'AbortError',
|
||
DeviceCaptureError: 'AbortError'
|
||
}[e.name] || e.name,
|
||
message: e.message,
|
||
constraint: e.constraint || e.constraintName,
|
||
toString: function toString() {
|
||
return this.name + (this.message && ': ') + this.message;
|
||
}
|
||
};
|
||
};
|
||
|
||
var getUserMedia_ = function getUserMedia_(constraints, onSuccess, onError) {
|
||
shimConstraints_(constraints, function (c) {
|
||
navigator.webkitGetUserMedia(c, onSuccess, function (e) {
|
||
if (onError) {
|
||
onError(shimError_(e));
|
||
}
|
||
});
|
||
});
|
||
};
|
||
navigator.getUserMedia = getUserMedia_.bind(navigator);
|
||
|
||
// Even though Chrome 45 has navigator.mediaDevices and a getUserMedia
|
||
// function which returns a Promise, it does not accept spec-style
|
||
// constraints.
|
||
if (navigator.mediaDevices.getUserMedia) {
|
||
var origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);
|
||
navigator.mediaDevices.getUserMedia = function (cs) {
|
||
return shimConstraints_(cs, function (c) {
|
||
return origGetUserMedia(c).then(function (stream) {
|
||
if (c.audio && !stream.getAudioTracks().length || c.video && !stream.getVideoTracks().length) {
|
||
stream.getTracks().forEach(function (track) {
|
||
track.stop();
|
||
});
|
||
throw new DOMException('', 'NotFoundError');
|
||
}
|
||
return stream;
|
||
}, function (e) {
|
||
return Promise.reject(shimError_(e));
|
||
});
|
||
});
|
||
};
|
||
}
|
||
}
|
||
|
||
},{"../utils.js":11}],6:[function(require,module,exports){
|
||
/*
|
||
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
|
||
*
|
||
* Use of this source code is governed by a BSD-style license
|
||
* that can be found in the LICENSE file in the root of the source
|
||
* tree.
|
||
*/
|
||
/* eslint-env node */
|
||
'use strict';
|
||
|
||
Object.defineProperty(exports, "__esModule", {
|
||
value: true
|
||
});
|
||
|
||
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
|
||
|
||
exports.shimRTCIceCandidate = shimRTCIceCandidate;
|
||
exports.shimMaxMessageSize = shimMaxMessageSize;
|
||
exports.shimSendThrowTypeError = shimSendThrowTypeError;
|
||
exports.shimConnectionState = shimConnectionState;
|
||
exports.removeExtmapAllowMixed = removeExtmapAllowMixed;
|
||
exports.shimAddIceCandidateNullOrEmpty = shimAddIceCandidateNullOrEmpty;
|
||
exports.shimParameterlessSetLocalDescription = shimParameterlessSetLocalDescription;
|
||
|
||
var _sdp = require('sdp');
|
||
|
||
var _sdp2 = _interopRequireDefault(_sdp);
|
||
|
||
var _utils = require('./utils');
|
||
|
||
var utils = _interopRequireWildcard(_utils);
|
||
|
||
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
|
||
|
||
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
|
||
|
||
function shimRTCIceCandidate(window) {
|
||
// foundation is arbitrarily chosen as an indicator for full support for
|
||
// https://w3c.github.io/webrtc-pc/#rtcicecandidate-interface
|
||
if (!window.RTCIceCandidate || window.RTCIceCandidate && 'foundation' in window.RTCIceCandidate.prototype) {
|
||
return;
|
||
}
|
||
|
||
var NativeRTCIceCandidate = window.RTCIceCandidate;
|
||
window.RTCIceCandidate = function RTCIceCandidate(args) {
|
||
// Remove the a= which shouldn't be part of the candidate string.
|
||
if ((typeof args === 'undefined' ? 'undefined' : _typeof(args)) === 'object' && args.candidate && args.candidate.indexOf('a=') === 0) {
|
||
args = JSON.parse(JSON.stringify(args));
|
||
args.candidate = args.candidate.substr(2);
|
||
}
|
||
|
||
if (args.candidate && args.candidate.length) {
|
||
// Augment the native candidate with the parsed fields.
|
||
var nativeCandidate = new NativeRTCIceCandidate(args);
|
||
var parsedCandidate = _sdp2.default.parseCandidate(args.candidate);
|
||
var augmentedCandidate = Object.assign(nativeCandidate, parsedCandidate);
|
||
|
||
// Add a serializer that does not serialize the extra attributes.
|
||
augmentedCandidate.toJSON = function toJSON() {
|
||
return {
|
||
candidate: augmentedCandidate.candidate,
|
||
sdpMid: augmentedCandidate.sdpMid,
|
||
sdpMLineIndex: augmentedCandidate.sdpMLineIndex,
|
||
usernameFragment: augmentedCandidate.usernameFragment
|
||
};
|
||
};
|
||
return augmentedCandidate;
|
||
}
|
||
return new NativeRTCIceCandidate(args);
|
||
};
|
||
window.RTCIceCandidate.prototype = NativeRTCIceCandidate.prototype;
|
||
|
||
// Hook up the augmented candidate in onicecandidate and
|
||
// addEventListener('icecandidate', ...)
|
||
utils.wrapPeerConnectionEvent(window, 'icecandidate', function (e) {
|
||
if (e.candidate) {
|
||
Object.defineProperty(e, 'candidate', {
|
||
value: new window.RTCIceCandidate(e.candidate),
|
||
writable: 'false'
|
||
});
|
||
}
|
||
return e;
|
||
});
|
||
}
|
||
|
||
function shimMaxMessageSize(window, browserDetails) {
|
||
if (!window.RTCPeerConnection) {
|
||
return;
|
||
}
|
||
|
||
if (!('sctp' in window.RTCPeerConnection.prototype)) {
|
||
Object.defineProperty(window.RTCPeerConnection.prototype, 'sctp', {
|
||
get: function get() {
|
||
return typeof this._sctp === 'undefined' ? null : this._sctp;
|
||
}
|
||
});
|
||
}
|
||
|
||
var sctpInDescription = function sctpInDescription(description) {
|
||
if (!description || !description.sdp) {
|
||
return false;
|
||
}
|
||
var sections = _sdp2.default.splitSections(description.sdp);
|
||
sections.shift();
|
||
return sections.some(function (mediaSection) {
|
||
var mLine = _sdp2.default.parseMLine(mediaSection);
|
||
return mLine && mLine.kind === 'application' && mLine.protocol.indexOf('SCTP') !== -1;
|
||
});
|
||
};
|
||
|
||
var getRemoteFirefoxVersion = function getRemoteFirefoxVersion(description) {
|
||
// TODO: Is there a better solution for detecting Firefox?
|
||
var match = description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);
|
||
if (match === null || match.length < 2) {
|
||
return -1;
|
||
}
|
||
var version = parseInt(match[1], 10);
|
||
// Test for NaN (yes, this is ugly)
|
||
return version !== version ? -1 : version;
|
||
};
|
||
|
||
var getCanSendMaxMessageSize = function getCanSendMaxMessageSize(remoteIsFirefox) {
|
||
// Every implementation we know can send at least 64 KiB.
|
||
// Note: Although Chrome is technically able to send up to 256 KiB, the
|
||
// data does not reach the other peer reliably.
|
||
// See: https://bugs.chromium.org/p/webrtc/issues/detail?id=8419
|
||
var canSendMaxMessageSize = 65536;
|
||
if (browserDetails.browser === 'firefox') {
|
||
if (browserDetails.version < 57) {
|
||
if (remoteIsFirefox === -1) {
|
||
// FF < 57 will send in 16 KiB chunks using the deprecated PPID
|
||
// fragmentation.
|
||
canSendMaxMessageSize = 16384;
|
||
} else {
|
||
// However, other FF (and RAWRTC) can reassemble PPID-fragmented
|
||
// messages. Thus, supporting ~2 GiB when sending.
|
||
canSendMaxMessageSize = 2147483637;
|
||
}
|
||
} else if (browserDetails.version < 60) {
|
||
// Currently, all FF >= 57 will reset the remote maximum message size
|
||
// to the default value when a data channel is created at a later
|
||
// stage. :(
|
||
// See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
|
||
canSendMaxMessageSize = browserDetails.version === 57 ? 65535 : 65536;
|
||
} else {
|
||
// FF >= 60 supports sending ~2 GiB
|
||
canSendMaxMessageSize = 2147483637;
|
||
}
|
||
}
|
||
return canSendMaxMessageSize;
|
||
};
|
||
|
||
var getMaxMessageSize = function getMaxMessageSize(description, remoteIsFirefox) {
|
||
// Note: 65536 bytes is the default value from the SDP spec. Also,
|
||
// every implementation we know supports receiving 65536 bytes.
|
||
var maxMessageSize = 65536;
|
||
|
||
// FF 57 has a slightly incorrect default remote max message size, so
|
||
// we need to adjust it here to avoid a failure when sending.
|
||
// See: https://bugzilla.mozilla.org/show_bug.cgi?id=1425697
|
||
if (browserDetails.browser === 'firefox' && browserDetails.version === 57) {
|
||
maxMessageSize = 65535;
|
||
}
|
||
|
||
var match = _sdp2.default.matchPrefix(description.sdp, 'a=max-message-size:');
|
||
if (match.length > 0) {
|
||
maxMessageSize = parseInt(match[0].substr(19), 10);
|
||
} else if (browserDetails.browser === 'firefox' && remoteIsFirefox !== -1) {
|
||
// If the maximum message size is not present in the remote SDP and
|
||
// both local and remote are Firefox, the remote peer can receive
|
||
// ~2 GiB.
|
||
maxMessageSize = 2147483637;
|
||
}
|
||
return maxMessageSize;
|
||
};
|
||
|
||
var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;
|
||
window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {
|
||
this._sctp = null;
|
||
// Chrome decided to not expose .sctp in plan-b mode.
|
||
// As usual, adapter.js has to do an 'ugly worakaround'
|
||
// to cover up the mess.
|
||
if (browserDetails.browser === 'chrome' && browserDetails.version >= 76) {
|
||
var _getConfiguration = this.getConfiguration(),
|
||
sdpSemantics = _getConfiguration.sdpSemantics;
|
||
|
||
if (sdpSemantics === 'plan-b') {
|
||
Object.defineProperty(this, 'sctp', {
|
||
get: function get() {
|
||
return typeof this._sctp === 'undefined' ? null : this._sctp;
|
||
},
|
||
|
||
enumerable: true,
|
||
configurable: true
|
||
});
|
||
}
|
||
}
|
||
|
||
if (sctpInDescription(arguments[0])) {
|
||
// Check if the remote is FF.
|
||
var isFirefox = getRemoteFirefoxVersion(arguments[0]);
|
||
|
||
// Get the maximum message size the local peer is capable of sending
|
||
var canSendMMS = getCanSendMaxMessageSize(isFirefox);
|
||
|
||
// Get the maximum message size of the remote peer.
|
||
var remoteMMS = getMaxMessageSize(arguments[0], isFirefox);
|
||
|
||
// Determine final maximum message size
|
||
var maxMessageSize = void 0;
|
||
if (canSendMMS === 0 && remoteMMS === 0) {
|
||
maxMessageSize = Number.POSITIVE_INFINITY;
|
||
} else if (canSendMMS === 0 || remoteMMS === 0) {
|
||
maxMessageSize = Math.max(canSendMMS, remoteMMS);
|
||
} else {
|
||
maxMessageSize = Math.min(canSendMMS, remoteMMS);
|
||
}
|
||
|
||
// Create a dummy RTCSctpTransport object and the 'maxMessageSize'
|
||
// attribute.
|
||
var sctp = {};
|
||
Object.defineProperty(sctp, 'maxMessageSize', {
|
||
get: function get() {
|
||
return maxMessageSize;
|
||
}
|
||
});
|
||
this._sctp = sctp;
|
||
}
|
||
|
||
return origSetRemoteDescription.apply(this, arguments);
|
||
};
|
||
}
|
||
|
||
function shimSendThrowTypeError(window) {
|
||
if (!(window.RTCPeerConnection && 'createDataChannel' in window.RTCPeerConnection.prototype)) {
|
||
return;
|
||
}
|
||
|
||
// Note: Although Firefox >= 57 has a native implementation, the maximum
|
||
// message size can be reset for all data channels at a later stage.
|
||
// See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
|
||
|
||
function wrapDcSend(dc, pc) {
|
||
var origDataChannelSend = dc.send;
|
||
dc.send = function send() {
|
||
var data = arguments[0];
|
||
var length = data.length || data.size || data.byteLength;
|
||
if (dc.readyState === 'open' && pc.sctp && length > pc.sctp.maxMessageSize) {
|
||
throw new TypeError('Message too large (can send a maximum of ' + pc.sctp.maxMessageSize + ' bytes)');
|
||
}
|
||
return origDataChannelSend.apply(dc, arguments);
|
||
};
|
||
}
|
||
var origCreateDataChannel = window.RTCPeerConnection.prototype.createDataChannel;
|
||
window.RTCPeerConnection.prototype.createDataChannel = function createDataChannel() {
|
||
var dataChannel = origCreateDataChannel.apply(this, arguments);
|
||
wrapDcSend(dataChannel, this);
|
||
return dataChannel;
|
||
};
|
||
utils.wrapPeerConnectionEvent(window, 'datachannel', function (e) {
|
||
wrapDcSend(e.channel, e.target);
|
||
return e;
|
||
});
|
||
}
|
||
|
||
/* shims RTCConnectionState by pretending it is the same as iceConnectionState.
|
||
* See https://bugs.chromium.org/p/webrtc/issues/detail?id=6145#c12
|
||
* for why this is a valid hack in Chrome. In Firefox it is slightly incorrect
|
||
* since DTLS failures would be hidden. See
|
||
* https://bugzilla.mozilla.org/show_bug.cgi?id=1265827
|
||
* for the Firefox tracking bug.
|
||
*/
|
||
function shimConnectionState(window) {
|
||
if (!window.RTCPeerConnection || 'connectionState' in window.RTCPeerConnection.prototype) {
|
||
return;
|
||
}
|
||
var proto = window.RTCPeerConnection.prototype;
|
||
Object.defineProperty(proto, 'connectionState', {
|
||
get: function get() {
|
||
return {
|
||
completed: 'connected',
|
||
checking: 'connecting'
|
||
}[this.iceConnectionState] || this.iceConnectionState;
|
||
},
|
||
|
||
enumerable: true,
|
||
configurable: true
|
||
});
|
||
Object.defineProperty(proto, 'onconnectionstatechange', {
|
||
get: function get() {
|
||
return this._onconnectionstatechange || null;
|
||
},
|
||
set: function set(cb) {
|
||
if (this._onconnectionstatechange) {
|
||
this.removeEventListener('connectionstatechange', this._onconnectionstatechange);
|
||
delete this._onconnectionstatechange;
|
||
}
|
||
if (cb) {
|
||
this.addEventListener('connectionstatechange', this._onconnectionstatechange = cb);
|
||
}
|
||
},
|
||
|
||
enumerable: true,
|
||
configurable: true
|
||
});
|
||
|
||
['setLocalDescription', 'setRemoteDescription'].forEach(function (method) {
|
||
var origMethod = proto[method];
|
||
proto[method] = function () {
|
||
if (!this._connectionstatechangepoly) {
|
||
this._connectionstatechangepoly = function (e) {
|
||
var pc = e.target;
|
||
if (pc._lastConnectionState !== pc.connectionState) {
|
||
pc._lastConnectionState = pc.connectionState;
|
||
var newEvent = new Event('connectionstatechange', e);
|
||
pc.dispatchEvent(newEvent);
|
||
}
|
||
return e;
|
||
};
|
||
this.addEventListener('iceconnectionstatechange', this._connectionstatechangepoly);
|
||
}
|
||
return origMethod.apply(this, arguments);
|
||
};
|
||
});
|
||
}
|
||
|
||
function removeExtmapAllowMixed(window, browserDetails) {
|
||
/* remove a=extmap-allow-mixed for webrtc.org < M71 */
|
||
if (!window.RTCPeerConnection) {
|
||
return;
|
||
}
|
||
if (browserDetails.browser === 'chrome' && browserDetails.version >= 71) {
|
||
return;
|
||
}
|
||
if (browserDetails.browser === 'safari' && browserDetails.version >= 605) {
|
||
return;
|
||
}
|
||
var nativeSRD = window.RTCPeerConnection.prototype.setRemoteDescription;
|
||
window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription(desc) {
|
||
if (desc && desc.sdp && desc.sdp.indexOf('\na=extmap-allow-mixed') !== -1) {
|
||
var sdp = desc.sdp.split('\n').filter(function (line) {
|
||
return line.trim() !== 'a=extmap-allow-mixed';
|
||
}).join('\n');
|
||
// Safari enforces read-only-ness of RTCSessionDescription fields.
|
||
if (window.RTCSessionDescription && desc instanceof window.RTCSessionDescription) {
|
||
arguments[0] = new window.RTCSessionDescription({
|
||
type: desc.type,
|
||
sdp: sdp
|
||
});
|
||
} else {
|
||
desc.sdp = sdp;
|
||
}
|
||
}
|
||
return nativeSRD.apply(this, arguments);
|
||
};
|
||
}
|
||
|
||
function shimAddIceCandidateNullOrEmpty(window, browserDetails) {
|
||
// Support for addIceCandidate(null or undefined)
|
||
// as well as addIceCandidate({candidate: "", ...})
|
||
// https://bugs.chromium.org/p/chromium/issues/detail?id=978582
|
||
// Note: must be called before other polyfills which change the signature.
|
||
if (!(window.RTCPeerConnection && window.RTCPeerConnection.prototype)) {
|
||
return;
|
||
}
|
||
var nativeAddIceCandidate = window.RTCPeerConnection.prototype.addIceCandidate;
|
||
if (!nativeAddIceCandidate || nativeAddIceCandidate.length === 0) {
|
||
return;
|
||
}
|
||
window.RTCPeerConnection.prototype.addIceCandidate = function addIceCandidate() {
|
||
if (!arguments[0]) {
|
||
if (arguments[1]) {
|
||
arguments[1].apply(null);
|
||
}
|
||
return Promise.resolve();
|
||
}
|
||
// Firefox 68+ emits and processes {candidate: "", ...}, ignore
|
||
// in older versions.
|
||
// Native support for ignoring exists for Chrome M77+.
|
||
// Safari ignores as well, exact version unknown but works in the same
|
||
// version that also ignores addIceCandidate(null).
|
||
if ((browserDetails.browser === 'chrome' && browserDetails.version < 78 || browserDetails.browser === 'firefox' && browserDetails.version < 68 || browserDetails.browser === 'safari') && arguments[0] && arguments[0].candidate === '') {
|
||
return Promise.resolve();
|
||
}
|
||
return nativeAddIceCandidate.apply(this, arguments);
|
||
};
|
||
}
|
||
|
||
// Note: Make sure to call this ahead of APIs that modify
|
||
// setLocalDescription.length
|
||
function shimParameterlessSetLocalDescription(window, browserDetails) {
|
||
if (!(window.RTCPeerConnection && window.RTCPeerConnection.prototype)) {
|
||
return;
|
||
}
|
||
var nativeSetLocalDescription = window.RTCPeerConnection.prototype.setLocalDescription;
|
||
if (!nativeSetLocalDescription || nativeSetLocalDescription.length === 0) {
|
||
return;
|
||
}
|
||
window.RTCPeerConnection.prototype.setLocalDescription = function setLocalDescription() {
|
||
var _this = this;
|
||
|
||
var desc = arguments[0] || {};
|
||
if ((typeof desc === 'undefined' ? 'undefined' : _typeof(desc)) !== 'object' || desc.type && desc.sdp) {
|
||
return nativeSetLocalDescription.apply(this, arguments);
|
||
}
|
||
// The remaining steps should technically happen when SLD comes off the
|
||
// RTCPeerConnection's operations chain (not ahead of going on it), but
|
||
// this is too difficult to shim. Instead, this shim only covers the
|
||
// common case where the operations chain is empty. This is imperfect, but
|
||
// should cover many cases. Rationale: Even if we can't reduce the glare
|
||
// window to zero on imperfect implementations, there's value in tapping
|
||
// into the perfect negotiation pattern that several browsers support.
|
||
desc = { type: desc.type, sdp: desc.sdp };
|
||
if (!desc.type) {
|
||
switch (this.signalingState) {
|
||
case 'stable':
|
||
case 'have-local-offer':
|
||
case 'have-remote-pranswer':
|
||
desc.type = 'offer';
|
||
break;
|
||
default:
|
||
desc.type = 'answer';
|
||
break;
|
||
}
|
||
}
|
||
if (desc.sdp || desc.type !== 'offer' && desc.type !== 'answer') {
|
||
return nativeSetLocalDescription.apply(this, [desc]);
|
||
}
|
||
var func = desc.type === 'offer' ? this.createOffer : this.createAnswer;
|
||
return func.apply(this).then(function (d) {
|
||
return nativeSetLocalDescription.apply(_this, [d]);
|
||
});
|
||
};
|
||
}
|
||
|
||
},{"./utils":11,"sdp":12}],7:[function(require,module,exports){
|
||
/*
|
||
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
|
||
*
|
||
* Use of this source code is governed by a BSD-style license
|
||
* that can be found in the LICENSE file in the root of the source
|
||
* tree.
|
||
*/
|
||
/* eslint-env node */
|
||
'use strict';
|
||
|
||
Object.defineProperty(exports, "__esModule", {
|
||
value: true
|
||
});
|
||
exports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined;
|
||
|
||
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
|
||
|
||
var _getusermedia = require('./getusermedia');
|
||
|
||
Object.defineProperty(exports, 'shimGetUserMedia', {
|
||
enumerable: true,
|
||
get: function get() {
|
||
return _getusermedia.shimGetUserMedia;
|
||
}
|
||
});
|
||
|
||
var _getdisplaymedia = require('./getdisplaymedia');
|
||
|
||
Object.defineProperty(exports, 'shimGetDisplayMedia', {
|
||
enumerable: true,
|
||
get: function get() {
|
||
return _getdisplaymedia.shimGetDisplayMedia;
|
||
}
|
||
});
|
||
exports.shimOnTrack = shimOnTrack;
|
||
exports.shimPeerConnection = shimPeerConnection;
|
||
exports.shimSenderGetStats = shimSenderGetStats;
|
||
exports.shimReceiverGetStats = shimReceiverGetStats;
|
||
exports.shimRemoveStream = shimRemoveStream;
|
||
exports.shimRTCDataChannel = shimRTCDataChannel;
|
||
exports.shimAddTransceiver = shimAddTransceiver;
|
||
exports.shimGetParameters = shimGetParameters;
|
||
exports.shimCreateOffer = shimCreateOffer;
|
||
exports.shimCreateAnswer = shimCreateAnswer;
|
||
|
||
var _utils = require('../utils');
|
||
|
||
var utils = _interopRequireWildcard(_utils);
|
||
|
||
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
|
||
|
||
function _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":11,"./getdisplaymedia":8,"./getusermedia":9}],8:[function(require,module,exports){
|
||
/*
|
||
* Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.
|
||
*
|
||
* Use of this source code is governed by a BSD-style license
|
||
* that can be found in the LICENSE file in the root of the source
|
||
* tree.
|
||
*/
|
||
/* eslint-env node */
|
||
'use strict';
|
||
|
||
Object.defineProperty(exports, "__esModule", {
|
||
value: true
|
||
});
|
||
exports.shimGetDisplayMedia = shimGetDisplayMedia;
|
||
function shimGetDisplayMedia(window, preferredMediaSource) {
|
||
if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {
|
||
return;
|
||
}
|
||
if (!window.navigator.mediaDevices) {
|
||
return;
|
||
}
|
||
window.navigator.mediaDevices.getDisplayMedia = function getDisplayMedia(constraints) {
|
||
if (!(constraints && constraints.video)) {
|
||
var err = new DOMException('getDisplayMedia without video ' + 'constraints is undefined');
|
||
err.name = 'NotFoundError';
|
||
// from https://heycam.github.io/webidl/#idl-DOMException-error-names
|
||
err.code = 8;
|
||
return Promise.reject(err);
|
||
}
|
||
if (constraints.video === true) {
|
||
constraints.video = { mediaSource: preferredMediaSource };
|
||
} else {
|
||
constraints.video.mediaSource = preferredMediaSource;
|
||
}
|
||
return window.navigator.mediaDevices.getUserMedia(constraints);
|
||
};
|
||
}
|
||
|
||
},{}],9:[function(require,module,exports){
|
||
/*
|
||
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
|
||
*
|
||
* Use of this source code is governed by a BSD-style license
|
||
* that can be found in the LICENSE file in the root of the source
|
||
* tree.
|
||
*/
|
||
/* eslint-env node */
|
||
'use strict';
|
||
|
||
Object.defineProperty(exports, "__esModule", {
|
||
value: true
|
||
});
|
||
|
||
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
|
||
|
||
exports.shimGetUserMedia = shimGetUserMedia;
|
||
|
||
var _utils = require('../utils');
|
||
|
||
var utils = _interopRequireWildcard(_utils);
|
||
|
||
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
|
||
|
||
function shimGetUserMedia(window, browserDetails) {
|
||
var navigator = window && window.navigator;
|
||
var MediaStreamTrack = window && window.MediaStreamTrack;
|
||
|
||
navigator.getUserMedia = function (constraints, onSuccess, onError) {
|
||
// Replace Firefox 44+'s deprecation warning with unprefixed version.
|
||
utils.deprecated('navigator.getUserMedia', 'navigator.mediaDevices.getUserMedia');
|
||
navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);
|
||
};
|
||
|
||
if (!(browserDetails.version > 55 && 'autoGainControl' in navigator.mediaDevices.getSupportedConstraints())) {
|
||
var remap = function remap(obj, a, b) {
|
||
if (a in obj && !(b in obj)) {
|
||
obj[b] = obj[a];
|
||
delete obj[a];
|
||
}
|
||
};
|
||
|
||
var nativeGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);
|
||
navigator.mediaDevices.getUserMedia = function (c) {
|
||
if ((typeof c === 'undefined' ? 'undefined' : _typeof(c)) === 'object' && _typeof(c.audio) === 'object') {
|
||
c = JSON.parse(JSON.stringify(c));
|
||
remap(c.audio, 'autoGainControl', 'mozAutoGainControl');
|
||
remap(c.audio, 'noiseSuppression', 'mozNoiseSuppression');
|
||
}
|
||
return nativeGetUserMedia(c);
|
||
};
|
||
|
||
if (MediaStreamTrack && MediaStreamTrack.prototype.getSettings) {
|
||
var nativeGetSettings = MediaStreamTrack.prototype.getSettings;
|
||
MediaStreamTrack.prototype.getSettings = function () {
|
||
var obj = nativeGetSettings.apply(this, arguments);
|
||
remap(obj, 'mozAutoGainControl', 'autoGainControl');
|
||
remap(obj, 'mozNoiseSuppression', 'noiseSuppression');
|
||
return obj;
|
||
};
|
||
}
|
||
|
||
if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) {
|
||
var nativeApplyConstraints = MediaStreamTrack.prototype.applyConstraints;
|
||
MediaStreamTrack.prototype.applyConstraints = function (c) {
|
||
if (this.kind === 'audio' && (typeof c === 'undefined' ? 'undefined' : _typeof(c)) === 'object') {
|
||
c = JSON.parse(JSON.stringify(c));
|
||
remap(c, 'autoGainControl', 'mozAutoGainControl');
|
||
remap(c, 'noiseSuppression', 'mozNoiseSuppression');
|
||
}
|
||
return nativeApplyConstraints.apply(this, [c]);
|
||
};
|
||
}
|
||
}
|
||
}
|
||
|
||
},{"../utils":11}],10:[function(require,module,exports){
|
||
/*
|
||
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
|
||
*
|
||
* Use of this source code is governed by a BSD-style license
|
||
* that can be found in the LICENSE file in the root of the source
|
||
* tree.
|
||
*/
|
||
'use strict';
|
||
|
||
Object.defineProperty(exports, "__esModule", {
|
||
value: true
|
||
});
|
||
|
||
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
|
||
|
||
exports.shimLocalStreamsAPI = shimLocalStreamsAPI;
|
||
exports.shimRemoteStreamsAPI = shimRemoteStreamsAPI;
|
||
exports.shimCallbacksAPI = shimCallbacksAPI;
|
||
exports.shimGetUserMedia = shimGetUserMedia;
|
||
exports.shimConstraints = shimConstraints;
|
||
exports.shimRTCIceServerUrls = shimRTCIceServerUrls;
|
||
exports.shimTrackEventTransceiver = shimTrackEventTransceiver;
|
||
exports.shimCreateOfferLegacy = shimCreateOfferLegacy;
|
||
exports.shimAudioContext = shimAudioContext;
|
||
|
||
var _utils = require('../utils');
|
||
|
||
var utils = _interopRequireWildcard(_utils);
|
||
|
||
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
|
||
|
||
function shimLocalStreamsAPI(window) {
|
||
if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) {
|
||
return;
|
||
}
|
||
if (!('getLocalStreams' in window.RTCPeerConnection.prototype)) {
|
||
window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {
|
||
if (!this._localStreams) {
|
||
this._localStreams = [];
|
||
}
|
||
return this._localStreams;
|
||
};
|
||
}
|
||
if (!('addStream' in window.RTCPeerConnection.prototype)) {
|
||
var _addTrack = window.RTCPeerConnection.prototype.addTrack;
|
||
window.RTCPeerConnection.prototype.addStream = function addStream(stream) {
|
||
var _this = this;
|
||
|
||
if (!this._localStreams) {
|
||
this._localStreams = [];
|
||
}
|
||
if (!this._localStreams.includes(stream)) {
|
||
this._localStreams.push(stream);
|
||
}
|
||
// Try to emulate Chrome's behaviour of adding in audio-video order.
|
||
// Safari orders by track id.
|
||
stream.getAudioTracks().forEach(function (track) {
|
||
return _addTrack.call(_this, track, stream);
|
||
});
|
||
stream.getVideoTracks().forEach(function (track) {
|
||
return _addTrack.call(_this, track, stream);
|
||
});
|
||
};
|
||
|
||
window.RTCPeerConnection.prototype.addTrack = function addTrack(track) {
|
||
var _this2 = this;
|
||
|
||
for (var _len = arguments.length, streams = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
|
||
streams[_key - 1] = arguments[_key];
|
||
}
|
||
|
||
if (streams) {
|
||
streams.forEach(function (stream) {
|
||
if (!_this2._localStreams) {
|
||
_this2._localStreams = [stream];
|
||
} else if (!_this2._localStreams.includes(stream)) {
|
||
_this2._localStreams.push(stream);
|
||
}
|
||
});
|
||
}
|
||
return _addTrack.apply(this, arguments);
|
||
};
|
||
}
|
||
if (!('removeStream' in window.RTCPeerConnection.prototype)) {
|
||
window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {
|
||
var _this3 = this;
|
||
|
||
if (!this._localStreams) {
|
||
this._localStreams = [];
|
||
}
|
||
var index = this._localStreams.indexOf(stream);
|
||
if (index === -1) {
|
||
return;
|
||
}
|
||
this._localStreams.splice(index, 1);
|
||
var tracks = stream.getTracks();
|
||
this.getSenders().forEach(function (sender) {
|
||
if (tracks.includes(sender.track)) {
|
||
_this3.removeTrack(sender);
|
||
}
|
||
});
|
||
};
|
||
}
|
||
}
|
||
|
||
function shimRemoteStreamsAPI(window) {
|
||
if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) {
|
||
return;
|
||
}
|
||
if (!('getRemoteStreams' in window.RTCPeerConnection.prototype)) {
|
||
window.RTCPeerConnection.prototype.getRemoteStreams = function getRemoteStreams() {
|
||
return this._remoteStreams ? this._remoteStreams : [];
|
||
};
|
||
}
|
||
if (!('onaddstream' in window.RTCPeerConnection.prototype)) {
|
||
Object.defineProperty(window.RTCPeerConnection.prototype, 'onaddstream', {
|
||
get: function get() {
|
||
return this._onaddstream;
|
||
},
|
||
set: function set(f) {
|
||
var _this4 = this;
|
||
|
||
if (this._onaddstream) {
|
||
this.removeEventListener('addstream', this._onaddstream);
|
||
this.removeEventListener('track', this._onaddstreampoly);
|
||
}
|
||
this.addEventListener('addstream', this._onaddstream = f);
|
||
this.addEventListener('track', this._onaddstreampoly = function (e) {
|
||
e.streams.forEach(function (stream) {
|
||
if (!_this4._remoteStreams) {
|
||
_this4._remoteStreams = [];
|
||
}
|
||
if (_this4._remoteStreams.includes(stream)) {
|
||
return;
|
||
}
|
||
_this4._remoteStreams.push(stream);
|
||
var event = new Event('addstream');
|
||
event.stream = stream;
|
||
_this4.dispatchEvent(event);
|
||
});
|
||
});
|
||
}
|
||
});
|
||
var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;
|
||
window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {
|
||
var pc = this;
|
||
if (!this._onaddstreampoly) {
|
||
this.addEventListener('track', this._onaddstreampoly = function (e) {
|
||
e.streams.forEach(function (stream) {
|
||
if (!pc._remoteStreams) {
|
||
pc._remoteStreams = [];
|
||
}
|
||
if (pc._remoteStreams.indexOf(stream) >= 0) {
|
||
return;
|
||
}
|
||
pc._remoteStreams.push(stream);
|
||
var event = new Event('addstream');
|
||
event.stream = stream;
|
||
pc.dispatchEvent(event);
|
||
});
|
||
});
|
||
}
|
||
return origSetRemoteDescription.apply(pc, arguments);
|
||
};
|
||
}
|
||
}
|
||
|
||
function shimCallbacksAPI(window) {
|
||
if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) {
|
||
return;
|
||
}
|
||
var prototype = window.RTCPeerConnection.prototype;
|
||
var origCreateOffer = prototype.createOffer;
|
||
var origCreateAnswer = prototype.createAnswer;
|
||
var setLocalDescription = prototype.setLocalDescription;
|
||
var setRemoteDescription = prototype.setRemoteDescription;
|
||
var addIceCandidate = prototype.addIceCandidate;
|
||
|
||
prototype.createOffer = function createOffer(successCallback, failureCallback) {
|
||
var options = arguments.length >= 2 ? arguments[2] : arguments[0];
|
||
var promise = origCreateOffer.apply(this, [options]);
|
||
if (!failureCallback) {
|
||
return promise;
|
||
}
|
||
promise.then(successCallback, failureCallback);
|
||
return Promise.resolve();
|
||
};
|
||
|
||
prototype.createAnswer = function createAnswer(successCallback, failureCallback) {
|
||
var options = arguments.length >= 2 ? arguments[2] : arguments[0];
|
||
var promise = origCreateAnswer.apply(this, [options]);
|
||
if (!failureCallback) {
|
||
return promise;
|
||
}
|
||
promise.then(successCallback, failureCallback);
|
||
return Promise.resolve();
|
||
};
|
||
|
||
var withCallback = function withCallback(description, successCallback, failureCallback) {
|
||
var promise = setLocalDescription.apply(this, [description]);
|
||
if (!failureCallback) {
|
||
return promise;
|
||
}
|
||
promise.then(successCallback, failureCallback);
|
||
return Promise.resolve();
|
||
};
|
||
prototype.setLocalDescription = withCallback;
|
||
|
||
withCallback = function withCallback(description, successCallback, failureCallback) {
|
||
var promise = setRemoteDescription.apply(this, [description]);
|
||
if (!failureCallback) {
|
||
return promise;
|
||
}
|
||
promise.then(successCallback, failureCallback);
|
||
return Promise.resolve();
|
||
};
|
||
prototype.setRemoteDescription = withCallback;
|
||
|
||
withCallback = function withCallback(candidate, successCallback, failureCallback) {
|
||
var promise = addIceCandidate.apply(this, [candidate]);
|
||
if (!failureCallback) {
|
||
return promise;
|
||
}
|
||
promise.then(successCallback, failureCallback);
|
||
return Promise.resolve();
|
||
};
|
||
prototype.addIceCandidate = withCallback;
|
||
}
|
||
|
||
function shimGetUserMedia(window) {
|
||
var navigator = window && window.navigator;
|
||
|
||
if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {
|
||
// shim not needed in Safari 12.1
|
||
var mediaDevices = navigator.mediaDevices;
|
||
var _getUserMedia = mediaDevices.getUserMedia.bind(mediaDevices);
|
||
navigator.mediaDevices.getUserMedia = function (constraints) {
|
||
return _getUserMedia(shimConstraints(constraints));
|
||
};
|
||
}
|
||
|
||
if (!navigator.getUserMedia && navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {
|
||
navigator.getUserMedia = function getUserMedia(constraints, cb, errcb) {
|
||
navigator.mediaDevices.getUserMedia(constraints).then(cb, errcb);
|
||
}.bind(navigator);
|
||
}
|
||
}
|
||
|
||
function shimConstraints(constraints) {
|
||
if (constraints && constraints.video !== undefined) {
|
||
return Object.assign({}, constraints, { video: utils.compactObject(constraints.video) });
|
||
}
|
||
|
||
return constraints;
|
||
}
|
||
|
||
function shimRTCIceServerUrls(window) {
|
||
if (!window.RTCPeerConnection) {
|
||
return;
|
||
}
|
||
// migrate from non-spec RTCIceServer.url to RTCIceServer.urls
|
||
var OrigPeerConnection = window.RTCPeerConnection;
|
||
window.RTCPeerConnection = function RTCPeerConnection(pcConfig, pcConstraints) {
|
||
if (pcConfig && pcConfig.iceServers) {
|
||
var newIceServers = [];
|
||
for (var i = 0; i < pcConfig.iceServers.length; i++) {
|
||
var server = pcConfig.iceServers[i];
|
||
if (!server.hasOwnProperty('urls') && server.hasOwnProperty('url')) {
|
||
utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');
|
||
server = JSON.parse(JSON.stringify(server));
|
||
server.urls = server.url;
|
||
delete server.url;
|
||
newIceServers.push(server);
|
||
} else {
|
||
newIceServers.push(pcConfig.iceServers[i]);
|
||
}
|
||
}
|
||
pcConfig.iceServers = newIceServers;
|
||
}
|
||
return new OrigPeerConnection(pcConfig, pcConstraints);
|
||
};
|
||
window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;
|
||
// wrap static methods. Currently just generateCertificate.
|
||
if ('generateCertificate' in OrigPeerConnection) {
|
||
Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
|
||
get: function get() {
|
||
return OrigPeerConnection.generateCertificate;
|
||
}
|
||
});
|
||
}
|
||
}
|
||
|
||
function shimTrackEventTransceiver(window) {
|
||
// Add event.transceiver member over deprecated event.receiver
|
||
if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCTrackEvent && 'receiver' in window.RTCTrackEvent.prototype && !('transceiver' in window.RTCTrackEvent.prototype)) {
|
||
Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
|
||
get: function get() {
|
||
return { receiver: this.receiver };
|
||
}
|
||
});
|
||
}
|
||
}
|
||
|
||
function shimCreateOfferLegacy(window) {
|
||
var origCreateOffer = window.RTCPeerConnection.prototype.createOffer;
|
||
window.RTCPeerConnection.prototype.createOffer = function createOffer(offerOptions) {
|
||
if (offerOptions) {
|
||
if (typeof offerOptions.offerToReceiveAudio !== 'undefined') {
|
||
// support bit values
|
||
offerOptions.offerToReceiveAudio = !!offerOptions.offerToReceiveAudio;
|
||
}
|
||
var audioTransceiver = this.getTransceivers().find(function (transceiver) {
|
||
return transceiver.receiver.track.kind === 'audio';
|
||
});
|
||
if (offerOptions.offerToReceiveAudio === false && audioTransceiver) {
|
||
if (audioTransceiver.direction === 'sendrecv') {
|
||
if (audioTransceiver.setDirection) {
|
||
audioTransceiver.setDirection('sendonly');
|
||
} else {
|
||
audioTransceiver.direction = 'sendonly';
|
||
}
|
||
} else if (audioTransceiver.direction === 'recvonly') {
|
||
if (audioTransceiver.setDirection) {
|
||
audioTransceiver.setDirection('inactive');
|
||
} else {
|
||
audioTransceiver.direction = 'inactive';
|
||
}
|
||
}
|
||
} else if (offerOptions.offerToReceiveAudio === true && !audioTransceiver) {
|
||
this.addTransceiver('audio', { direction: 'recvonly' });
|
||
}
|
||
|
||
if (typeof offerOptions.offerToReceiveVideo !== 'undefined') {
|
||
// support bit values
|
||
offerOptions.offerToReceiveVideo = !!offerOptions.offerToReceiveVideo;
|
||
}
|
||
var videoTransceiver = this.getTransceivers().find(function (transceiver) {
|
||
return transceiver.receiver.track.kind === 'video';
|
||
});
|
||
if (offerOptions.offerToReceiveVideo === false && videoTransceiver) {
|
||
if (videoTransceiver.direction === 'sendrecv') {
|
||
if (videoTransceiver.setDirection) {
|
||
videoTransceiver.setDirection('sendonly');
|
||
} else {
|
||
videoTransceiver.direction = 'sendonly';
|
||
}
|
||
} else if (videoTransceiver.direction === 'recvonly') {
|
||
if (videoTransceiver.setDirection) {
|
||
videoTransceiver.setDirection('inactive');
|
||
} else {
|
||
videoTransceiver.direction = 'inactive';
|
||
}
|
||
}
|
||
} else if (offerOptions.offerToReceiveVideo === true && !videoTransceiver) {
|
||
this.addTransceiver('video', { direction: 'recvonly' });
|
||
}
|
||
}
|
||
return origCreateOffer.apply(this, arguments);
|
||
};
|
||
}
|
||
|
||
function shimAudioContext(window) {
|
||
if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || window.AudioContext) {
|
||
return;
|
||
}
|
||
window.AudioContext = window.webkitAudioContext;
|
||
}
|
||
|
||
},{"../utils":11}],11:[function(require,module,exports){
|
||
/*
|
||
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
|
||
*
|
||
* Use of this source code is governed by a BSD-style license
|
||
* that can be found in the LICENSE file in the root of the source
|
||
* tree.
|
||
*/
|
||
/* eslint-env node */
|
||
'use strict';
|
||
|
||
Object.defineProperty(exports, "__esModule", {
|
||
value: true
|
||
});
|
||
|
||
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
|
||
|
||
exports.extractVersion = extractVersion;
|
||
exports.wrapPeerConnectionEvent = wrapPeerConnectionEvent;
|
||
exports.disableLog = disableLog;
|
||
exports.disableWarnings = disableWarnings;
|
||
exports.log = log;
|
||
exports.deprecated = deprecated;
|
||
exports.detectBrowser = detectBrowser;
|
||
exports.compactObject = compactObject;
|
||
exports.walkStats = walkStats;
|
||
exports.filterStats = filterStats;
|
||
|
||
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
|
||
|
||
var logDisabled_ = true;
|
||
var deprecationWarnings_ = true;
|
||
|
||
/**
|
||
* Extract browser version out of the provided user agent string.
|
||
*
|
||
* @param {!string} uastring userAgent string.
|
||
* @param {!string} expr Regular expression used as match criteria.
|
||
* @param {!number} pos position in the version string to be returned.
|
||
* @return {!number} browser version.
|
||
*/
|
||
function extractVersion(uastring, expr, pos) {
|
||
var match = uastring.match(expr);
|
||
return match && match.length >= pos && parseInt(match[pos], 10);
|
||
}
|
||
|
||
// Wraps the peerconnection event eventNameToWrap in a function
|
||
// which returns the modified event object (or false to prevent
|
||
// the event).
|
||
function wrapPeerConnectionEvent(window, eventNameToWrap, wrapper) {
|
||
if (!window.RTCPeerConnection) {
|
||
return;
|
||
}
|
||
var proto = window.RTCPeerConnection.prototype;
|
||
var nativeAddEventListener = proto.addEventListener;
|
||
proto.addEventListener = function (nativeEventName, cb) {
|
||
if (nativeEventName !== eventNameToWrap) {
|
||
return nativeAddEventListener.apply(this, arguments);
|
||
}
|
||
var wrappedCallback = function wrappedCallback(e) {
|
||
var modifiedEvent = wrapper(e);
|
||
if (modifiedEvent) {
|
||
if (cb.handleEvent) {
|
||
cb.handleEvent(modifiedEvent);
|
||
} else {
|
||
cb(modifiedEvent);
|
||
}
|
||
}
|
||
};
|
||
this._eventMap = this._eventMap || {};
|
||
if (!this._eventMap[eventNameToWrap]) {
|
||
this._eventMap[eventNameToWrap] = new Map();
|
||
}
|
||
this._eventMap[eventNameToWrap].set(cb, wrappedCallback);
|
||
return nativeAddEventListener.apply(this, [nativeEventName, wrappedCallback]);
|
||
};
|
||
|
||
var nativeRemoveEventListener = proto.removeEventListener;
|
||
proto.removeEventListener = function (nativeEventName, cb) {
|
||
if (nativeEventName !== eventNameToWrap || !this._eventMap || !this._eventMap[eventNameToWrap]) {
|
||
return nativeRemoveEventListener.apply(this, arguments);
|
||
}
|
||
if (!this._eventMap[eventNameToWrap].has(cb)) {
|
||
return nativeRemoveEventListener.apply(this, arguments);
|
||
}
|
||
var unwrappedCb = this._eventMap[eventNameToWrap].get(cb);
|
||
this._eventMap[eventNameToWrap].delete(cb);
|
||
if (this._eventMap[eventNameToWrap].size === 0) {
|
||
delete this._eventMap[eventNameToWrap];
|
||
}
|
||
if (Object.keys(this._eventMap).length === 0) {
|
||
delete this._eventMap;
|
||
}
|
||
return nativeRemoveEventListener.apply(this, [nativeEventName, unwrappedCb]);
|
||
};
|
||
|
||
Object.defineProperty(proto, 'on' + eventNameToWrap, {
|
||
get: function get() {
|
||
return this['_on' + eventNameToWrap];
|
||
},
|
||
set: function set(cb) {
|
||
if (this['_on' + eventNameToWrap]) {
|
||
this.removeEventListener(eventNameToWrap, this['_on' + eventNameToWrap]);
|
||
delete this['_on' + eventNameToWrap];
|
||
}
|
||
if (cb) {
|
||
this.addEventListener(eventNameToWrap, this['_on' + eventNameToWrap] = cb);
|
||
}
|
||
},
|
||
|
||
enumerable: true,
|
||
configurable: true
|
||
});
|
||
}
|
||
|
||
function disableLog(bool) {
|
||
if (typeof bool !== 'boolean') {
|
||
return new Error('Argument type: ' + (typeof bool === 'undefined' ? 'undefined' : _typeof(bool)) + '. Please use a boolean.');
|
||
}
|
||
logDisabled_ = bool;
|
||
return bool ? 'adapter.js logging disabled' : 'adapter.js logging enabled';
|
||
}
|
||
|
||
/**
|
||
* Disable or enable deprecation warnings
|
||
* @param {!boolean} bool set to true to disable warnings.
|
||
*/
|
||
function disableWarnings(bool) {
|
||
if (typeof bool !== 'boolean') {
|
||
return new Error('Argument type: ' + (typeof bool === 'undefined' ? 'undefined' : _typeof(bool)) + '. Please use a boolean.');
|
||
}
|
||
deprecationWarnings_ = !bool;
|
||
return 'adapter.js deprecation warnings ' + (bool ? 'disabled' : 'enabled');
|
||
}
|
||
|
||
function log() {
|
||
if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object') {
|
||
if (logDisabled_) {
|
||
return;
|
||
}
|
||
if (typeof console !== 'undefined' && typeof console.log === 'function') {
|
||
console.log.apply(console, arguments);
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Shows a deprecation warning suggesting the modern and spec-compatible API.
|
||
*/
|
||
function deprecated(oldMethod, newMethod) {
|
||
if (!deprecationWarnings_) {
|
||
return;
|
||
}
|
||
console.warn(oldMethod + ' is deprecated, please use ' + newMethod + ' instead.');
|
||
}
|
||
|
||
/**
|
||
* Browser detector.
|
||
*
|
||
* @return {object} result containing browser and version
|
||
* properties.
|
||
*/
|
||
function detectBrowser(window) {
|
||
// Returned result object.
|
||
var result = { browser: null, version: null };
|
||
|
||
// Fail early if it's not a browser
|
||
if (typeof window === 'undefined' || !window.navigator) {
|
||
result.browser = 'Not a browser.';
|
||
return result;
|
||
}
|
||
|
||
var navigator = window.navigator;
|
||
|
||
|
||
if (navigator.mozGetUserMedia) {
|
||
// Firefox.
|
||
result.browser = 'firefox';
|
||
result.version = extractVersion(navigator.userAgent, /Firefox\/(\d+)\./, 1);
|
||
} else if (navigator.webkitGetUserMedia || window.isSecureContext === false && window.webkitRTCPeerConnection && !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 (window.RTCPeerConnection && navigator.userAgent.match(/AppleWebKit\/(\d+)\./)) {
|
||
// Safari.
|
||
result.browser = 'safari';
|
||
result.version = extractVersion(navigator.userAgent, /AppleWebKit\/(\d+)\./, 1);
|
||
result.supportsUnifiedPlan = window.RTCRtpTransceiver && 'currentDirection' in window.RTCRtpTransceiver.prototype;
|
||
} else {
|
||
// Default fallthrough: not supported.
|
||
result.browser = 'Not a supported browser.';
|
||
return result;
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
/**
|
||
* Checks if something is an object.
|
||
*
|
||
* @param {*} val The something you want to check.
|
||
* @return true if val is an object, false otherwise.
|
||
*/
|
||
function isObject(val) {
|
||
return Object.prototype.toString.call(val) === '[object Object]';
|
||
}
|
||
|
||
/**
|
||
* Remove all empty objects and undefined values
|
||
* from a nested object -- an enhanced and vanilla version
|
||
* of Lodash's `compact`.
|
||
*/
|
||
function compactObject(data) {
|
||
if (!isObject(data)) {
|
||
return data;
|
||
}
|
||
|
||
return Object.keys(data).reduce(function (accumulator, key) {
|
||
var isObj = isObject(data[key]);
|
||
var value = isObj ? compactObject(data[key]) : data[key];
|
||
var isEmptyObject = isObj && !Object.keys(value).length;
|
||
if (value === undefined || isEmptyObject) {
|
||
return accumulator;
|
||
}
|
||
return Object.assign(accumulator, _defineProperty({}, key, value));
|
||
}, {});
|
||
}
|
||
|
||
/* iterates the stats graph recursively. */
|
||
function walkStats(stats, base, resultSet) {
|
||
if (!base || resultSet.has(base.id)) {
|
||
return;
|
||
}
|
||
resultSet.set(base.id, base);
|
||
Object.keys(base).forEach(function (name) {
|
||
if (name.endsWith('Id')) {
|
||
walkStats(stats, stats.get(base[name]), resultSet);
|
||
} else if (name.endsWith('Ids')) {
|
||
base[name].forEach(function (id) {
|
||
walkStats(stats, stats.get(id), resultSet);
|
||
});
|
||
}
|
||
});
|
||
}
|
||
|
||
/* filter getStats for a sender/receiver track. */
|
||
function filterStats(result, track, outbound) {
|
||
var streamStatsType = outbound ? 'outbound-rtp' : 'inbound-rtp';
|
||
var filteredResult = new Map();
|
||
if (track === null) {
|
||
return filteredResult;
|
||
}
|
||
var trackStats = [];
|
||
result.forEach(function (value) {
|
||
if (value.type === 'track' && value.trackIdentifier === track.id) {
|
||
trackStats.push(value);
|
||
}
|
||
});
|
||
trackStats.forEach(function (trackStat) {
|
||
result.forEach(function (stats) {
|
||
if (stats.type === streamStatsType && stats.trackId === trackStat.id) {
|
||
walkStats(result, stats, filteredResult);
|
||
}
|
||
});
|
||
});
|
||
return filteredResult;
|
||
}
|
||
|
||
},{}],12:[function(require,module,exports){
|
||
/* eslint-env node */
|
||
'use strict';
|
||
|
||
// SDP helpers.
|
||
|
||
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
|
||
|
||
var SDPUtils = {};
|
||
|
||
// Generate an alphanumeric identifier for cname or mids.
|
||
// TODO: use UUIDs instead? https://gist.github.com/jed/982883
|
||
SDPUtils.generateIdentifier = function () {
|
||
return Math.random().toString(36).substr(2, 10);
|
||
};
|
||
|
||
// The RTCP CNAME used by all peerconnections from the same JS.
|
||
SDPUtils.localCName = SDPUtils.generateIdentifier();
|
||
|
||
// Splits SDP into lines, dealing with both CRLF and LF.
|
||
SDPUtils.splitLines = function (blob) {
|
||
return blob.trim().split('\n').map(function (line) {
|
||
return line.trim();
|
||
});
|
||
};
|
||
// Splits SDP into sessionpart and mediasections. Ensures CRLF.
|
||
SDPUtils.splitSections = function (blob) {
|
||
var parts = blob.split('\nm=');
|
||
return parts.map(function (part, index) {
|
||
return (index > 0 ? 'm=' + part : part).trim() + '\r\n';
|
||
});
|
||
};
|
||
|
||
// Returns the session description.
|
||
SDPUtils.getDescription = function (blob) {
|
||
var sections = SDPUtils.splitSections(blob);
|
||
return sections && sections[0];
|
||
};
|
||
|
||
// Returns the individual media sections.
|
||
SDPUtils.getMediaSections = function (blob) {
|
||
var sections = SDPUtils.splitSections(blob);
|
||
sections.shift();
|
||
return sections;
|
||
};
|
||
|
||
// Returns lines that start with a certain prefix.
|
||
SDPUtils.matchPrefix = function (blob, prefix) {
|
||
return SDPUtils.splitLines(blob).filter(function (line) {
|
||
return line.indexOf(prefix) === 0;
|
||
});
|
||
};
|
||
|
||
// Parses an ICE candidate line. Sample input:
|
||
// candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8
|
||
// rport 55996"
|
||
// Input can be prefixed with a=.
|
||
SDPUtils.parseCandidate = function (line) {
|
||
var parts = void 0;
|
||
// Parse both variants.
|
||
if (line.indexOf('a=candidate:') === 0) {
|
||
parts = line.substring(12).split(' ');
|
||
} else {
|
||
parts = line.substring(10).split(' ');
|
||
}
|
||
|
||
var candidate = {
|
||
foundation: parts[0],
|
||
component: { 1: 'rtp', 2: 'rtcp' }[parts[1]] || parts[1],
|
||
protocol: parts[2].toLowerCase(),
|
||
priority: parseInt(parts[3], 10),
|
||
ip: parts[4],
|
||
address: parts[4], // address is an alias for ip.
|
||
port: parseInt(parts[5], 10),
|
||
// skip parts[6] == 'typ'
|
||
type: parts[7]
|
||
};
|
||
|
||
for (var i = 8; i < parts.length; i += 2) {
|
||
switch (parts[i]) {
|
||
case 'raddr':
|
||
candidate.relatedAddress = parts[i + 1];
|
||
break;
|
||
case 'rport':
|
||
candidate.relatedPort = parseInt(parts[i + 1], 10);
|
||
break;
|
||
case 'tcptype':
|
||
candidate.tcpType = parts[i + 1];
|
||
break;
|
||
case 'ufrag':
|
||
candidate.ufrag = parts[i + 1]; // for backward compatibility.
|
||
candidate.usernameFragment = parts[i + 1];
|
||
break;
|
||
default:
|
||
// extension handling, in particular ufrag. Don't overwrite.
|
||
if (candidate[parts[i]] === undefined) {
|
||
candidate[parts[i]] = parts[i + 1];
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
return candidate;
|
||
};
|
||
|
||
// Translates a candidate object into SDP candidate attribute.
|
||
// This does not include the a= prefix!
|
||
SDPUtils.writeCandidate = function (candidate) {
|
||
var sdp = [];
|
||
sdp.push(candidate.foundation);
|
||
|
||
var component = candidate.component;
|
||
if (component === 'rtp') {
|
||
sdp.push(1);
|
||
} else if (component === 'rtcp') {
|
||
sdp.push(2);
|
||
} else {
|
||
sdp.push(component);
|
||
}
|
||
sdp.push(candidate.protocol.toUpperCase());
|
||
sdp.push(candidate.priority);
|
||
sdp.push(candidate.address || candidate.ip);
|
||
sdp.push(candidate.port);
|
||
|
||
var type = candidate.type;
|
||
sdp.push('typ');
|
||
sdp.push(type);
|
||
if (type !== 'host' && candidate.relatedAddress && candidate.relatedPort) {
|
||
sdp.push('raddr');
|
||
sdp.push(candidate.relatedAddress);
|
||
sdp.push('rport');
|
||
sdp.push(candidate.relatedPort);
|
||
}
|
||
if (candidate.tcpType && candidate.protocol.toLowerCase() === 'tcp') {
|
||
sdp.push('tcptype');
|
||
sdp.push(candidate.tcpType);
|
||
}
|
||
if (candidate.usernameFragment || candidate.ufrag) {
|
||
sdp.push('ufrag');
|
||
sdp.push(candidate.usernameFragment || candidate.ufrag);
|
||
}
|
||
return 'candidate:' + sdp.join(' ');
|
||
};
|
||
|
||
// Parses an ice-options line, returns an array of option tags.
|
||
// Sample input:
|
||
// a=ice-options:foo bar
|
||
SDPUtils.parseIceOptions = function (line) {
|
||
return line.substr(14).split(' ');
|
||
};
|
||
|
||
// Parses a rtpmap line, returns RTCRtpCoddecParameters. Sample input:
|
||
// a=rtpmap:111 opus/48000/2
|
||
SDPUtils.parseRtpMap = function (line) {
|
||
var parts = line.substr(9).split(' ');
|
||
var parsed = {
|
||
payloadType: parseInt(parts.shift(), 10) // was: id
|
||
};
|
||
|
||
parts = parts[0].split('/');
|
||
|
||
parsed.name = parts[0];
|
||
parsed.clockRate = parseInt(parts[1], 10); // was: clockrate
|
||
parsed.channels = parts.length === 3 ? parseInt(parts[2], 10) : 1;
|
||
// legacy alias, got renamed back to channels in ORTC.
|
||
parsed.numChannels = parsed.channels;
|
||
return parsed;
|
||
};
|
||
|
||
// Generates a rtpmap line from RTCRtpCodecCapability or
|
||
// RTCRtpCodecParameters.
|
||
SDPUtils.writeRtpMap = function (codec) {
|
||
var pt = codec.payloadType;
|
||
if (codec.preferredPayloadType !== undefined) {
|
||
pt = codec.preferredPayloadType;
|
||
}
|
||
var channels = codec.channels || codec.numChannels || 1;
|
||
return 'a=rtpmap:' + pt + ' ' + codec.name + '/' + codec.clockRate + (channels !== 1 ? '/' + channels : '') + '\r\n';
|
||
};
|
||
|
||
// Parses a extmap line (headerextension from RFC 5285). Sample input:
|
||
// a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
|
||
// a=extmap:2/sendonly urn:ietf:params:rtp-hdrext:toffset
|
||
SDPUtils.parseExtmap = function (line) {
|
||
var parts = line.substr(9).split(' ');
|
||
return {
|
||
id: parseInt(parts[0], 10),
|
||
direction: parts[0].indexOf('/') > 0 ? parts[0].split('/')[1] : 'sendrecv',
|
||
uri: parts[1]
|
||
};
|
||
};
|
||
|
||
// Generates an extmap line from RTCRtpHeaderExtensionParameters or
|
||
// RTCRtpHeaderExtension.
|
||
SDPUtils.writeExtmap = function (headerExtension) {
|
||
return 'a=extmap:' + (headerExtension.id || headerExtension.preferredId) + (headerExtension.direction && headerExtension.direction !== 'sendrecv' ? '/' + headerExtension.direction : '') + ' ' + headerExtension.uri + '\r\n';
|
||
};
|
||
|
||
// Parses a fmtp line, returns dictionary. Sample input:
|
||
// a=fmtp:96 vbr=on;cng=on
|
||
// Also deals with vbr=on; cng=on
|
||
SDPUtils.parseFmtp = function (line) {
|
||
var parsed = {};
|
||
var kv = void 0;
|
||
var parts = line.substr(line.indexOf(' ') + 1).split(';');
|
||
for (var j = 0; j < parts.length; j++) {
|
||
kv = parts[j].trim().split('=');
|
||
parsed[kv[0].trim()] = kv[1];
|
||
}
|
||
return parsed;
|
||
};
|
||
|
||
// Generates a fmtp line from RTCRtpCodecCapability or RTCRtpCodecParameters.
|
||
SDPUtils.writeFmtp = function (codec) {
|
||
var line = '';
|
||
var pt = codec.payloadType;
|
||
if (codec.preferredPayloadType !== undefined) {
|
||
pt = codec.preferredPayloadType;
|
||
}
|
||
if (codec.parameters && Object.keys(codec.parameters).length) {
|
||
var params = [];
|
||
Object.keys(codec.parameters).forEach(function (param) {
|
||
if (codec.parameters[param] !== undefined) {
|
||
params.push(param + '=' + codec.parameters[param]);
|
||
} else {
|
||
params.push(param);
|
||
}
|
||
});
|
||
line += 'a=fmtp:' + pt + ' ' + params.join(';') + '\r\n';
|
||
}
|
||
return line;
|
||
};
|
||
|
||
// Parses a rtcp-fb line, returns RTCPRtcpFeedback object. Sample input:
|
||
// a=rtcp-fb:98 nack rpsi
|
||
SDPUtils.parseRtcpFb = function (line) {
|
||
var parts = line.substr(line.indexOf(' ') + 1).split(' ');
|
||
return {
|
||
type: parts.shift(),
|
||
parameter: parts.join(' ')
|
||
};
|
||
};
|
||
|
||
// Generate a=rtcp-fb lines from RTCRtpCodecCapability or RTCRtpCodecParameters.
|
||
SDPUtils.writeRtcpFb = function (codec) {
|
||
var lines = '';
|
||
var pt = codec.payloadType;
|
||
if (codec.preferredPayloadType !== undefined) {
|
||
pt = codec.preferredPayloadType;
|
||
}
|
||
if (codec.rtcpFeedback && codec.rtcpFeedback.length) {
|
||
// FIXME: special handling for trr-int?
|
||
codec.rtcpFeedback.forEach(function (fb) {
|
||
lines += 'a=rtcp-fb:' + pt + ' ' + fb.type + (fb.parameter && fb.parameter.length ? ' ' + fb.parameter : '') + '\r\n';
|
||
});
|
||
}
|
||
return lines;
|
||
};
|
||
|
||
// Parses a RFC 5576 ssrc media attribute. Sample input:
|
||
// a=ssrc:3735928559 cname:something
|
||
SDPUtils.parseSsrcMedia = function (line) {
|
||
var sp = line.indexOf(' ');
|
||
var parts = {
|
||
ssrc: parseInt(line.substr(7, sp - 7), 10)
|
||
};
|
||
var colon = line.indexOf(':', sp);
|
||
if (colon > -1) {
|
||
parts.attribute = line.substr(sp + 1, colon - sp - 1);
|
||
parts.value = line.substr(colon + 1);
|
||
} else {
|
||
parts.attribute = line.substr(sp + 1);
|
||
}
|
||
return parts;
|
||
};
|
||
|
||
// Parse a ssrc-group line (see RFC 5576). Sample input:
|
||
// a=ssrc-group:semantics 12 34
|
||
SDPUtils.parseSsrcGroup = function (line) {
|
||
var parts = line.substr(13).split(' ');
|
||
return {
|
||
semantics: parts.shift(),
|
||
ssrcs: parts.map(function (ssrc) {
|
||
return parseInt(ssrc, 10);
|
||
})
|
||
};
|
||
};
|
||
|
||
// Extracts the MID (RFC 5888) from a media section.
|
||
// Returns the MID or undefined if no mid line was found.
|
||
SDPUtils.getMid = function (mediaSection) {
|
||
var mid = SDPUtils.matchPrefix(mediaSection, 'a=mid:')[0];
|
||
if (mid) {
|
||
return mid.substr(6);
|
||
}
|
||
};
|
||
|
||
// Parses a fingerprint line for DTLS-SRTP.
|
||
SDPUtils.parseFingerprint = function (line) {
|
||
var parts = line.substr(14).split(' ');
|
||
return {
|
||
algorithm: parts[0].toLowerCase(), // algorithm is case-sensitive in Edge.
|
||
value: parts[1].toUpperCase() // the definition is upper-case in RFC 4572.
|
||
};
|
||
};
|
||
|
||
// Extracts DTLS parameters from SDP media section or sessionpart.
|
||
// FIXME: for consistency with other functions this should only
|
||
// get the fingerprint line as input. See also getIceParameters.
|
||
SDPUtils.getDtlsParameters = function (mediaSection, sessionpart) {
|
||
var lines = SDPUtils.matchPrefix(mediaSection + sessionpart, 'a=fingerprint:');
|
||
// Note: a=setup line is ignored since we use the 'auto' role in Edge.
|
||
return {
|
||
role: 'auto',
|
||
fingerprints: lines.map(SDPUtils.parseFingerprint)
|
||
};
|
||
};
|
||
|
||
// Serializes DTLS parameters to SDP.
|
||
SDPUtils.writeDtlsParameters = function (params, setupType) {
|
||
var sdp = 'a=setup:' + setupType + '\r\n';
|
||
params.fingerprints.forEach(function (fp) {
|
||
sdp += 'a=fingerprint:' + fp.algorithm + ' ' + fp.value + '\r\n';
|
||
});
|
||
return sdp;
|
||
};
|
||
|
||
// Parses a=crypto lines into
|
||
// https://rawgit.com/aboba/edgertc/master/msortc-rs4.html#dictionary-rtcsrtpsdesparameters-members
|
||
SDPUtils.parseCryptoLine = function (line) {
|
||
var parts = line.substr(9).split(' ');
|
||
return {
|
||
tag: parseInt(parts[0], 10),
|
||
cryptoSuite: parts[1],
|
||
keyParams: parts[2],
|
||
sessionParams: parts.slice(3)
|
||
};
|
||
};
|
||
|
||
SDPUtils.writeCryptoLine = function (parameters) {
|
||
return 'a=crypto:' + parameters.tag + ' ' + parameters.cryptoSuite + ' ' + (_typeof(parameters.keyParams) === 'object' ? SDPUtils.writeCryptoKeyParams(parameters.keyParams) : parameters.keyParams) + (parameters.sessionParams ? ' ' + parameters.sessionParams.join(' ') : '') + '\r\n';
|
||
};
|
||
|
||
// Parses the crypto key parameters into
|
||
// https://rawgit.com/aboba/edgertc/master/msortc-rs4.html#rtcsrtpkeyparam*
|
||
SDPUtils.parseCryptoKeyParams = function (keyParams) {
|
||
if (keyParams.indexOf('inline:') !== 0) {
|
||
return null;
|
||
}
|
||
var parts = keyParams.substr(7).split('|');
|
||
return {
|
||
keyMethod: 'inline',
|
||
keySalt: parts[0],
|
||
lifeTime: parts[1],
|
||
mkiValue: parts[2] ? parts[2].split(':')[0] : undefined,
|
||
mkiLength: parts[2] ? parts[2].split(':')[1] : undefined
|
||
};
|
||
};
|
||
|
||
SDPUtils.writeCryptoKeyParams = function (keyParams) {
|
||
return keyParams.keyMethod + ':' + keyParams.keySalt + (keyParams.lifeTime ? '|' + keyParams.lifeTime : '') + (keyParams.mkiValue && keyParams.mkiLength ? '|' + keyParams.mkiValue + ':' + keyParams.mkiLength : '');
|
||
};
|
||
|
||
// Extracts all SDES parameters.
|
||
SDPUtils.getCryptoParameters = function (mediaSection, sessionpart) {
|
||
var lines = SDPUtils.matchPrefix(mediaSection + sessionpart, 'a=crypto:');
|
||
return lines.map(SDPUtils.parseCryptoLine);
|
||
};
|
||
|
||
// Parses ICE information from SDP media section or sessionpart.
|
||
// FIXME: for consistency with other functions this should only
|
||
// get the ice-ufrag and ice-pwd lines as input.
|
||
SDPUtils.getIceParameters = function (mediaSection, sessionpart) {
|
||
var ufrag = SDPUtils.matchPrefix(mediaSection + sessionpart, 'a=ice-ufrag:')[0];
|
||
var pwd = SDPUtils.matchPrefix(mediaSection + sessionpart, 'a=ice-pwd:')[0];
|
||
if (!(ufrag && pwd)) {
|
||
return null;
|
||
}
|
||
return {
|
||
usernameFragment: ufrag.substr(12),
|
||
password: pwd.substr(10)
|
||
};
|
||
};
|
||
|
||
// Serializes ICE parameters to SDP.
|
||
SDPUtils.writeIceParameters = function (params) {
|
||
var sdp = 'a=ice-ufrag:' + params.usernameFragment + '\r\n' + 'a=ice-pwd:' + params.password + '\r\n';
|
||
if (params.iceLite) {
|
||
sdp += 'a=ice-lite\r\n';
|
||
}
|
||
return sdp;
|
||
};
|
||
|
||
// Parses the SDP media section and returns RTCRtpParameters.
|
||
SDPUtils.parseRtpParameters = function (mediaSection) {
|
||
var description = {
|
||
codecs: [],
|
||
headerExtensions: [],
|
||
fecMechanisms: [],
|
||
rtcp: []
|
||
};
|
||
var lines = SDPUtils.splitLines(mediaSection);
|
||
var mline = lines[0].split(' ');
|
||
for (var i = 3; i < mline.length; i++) {
|
||
// find all codecs from mline[3..]
|
||
var pt = mline[i];
|
||
var rtpmapline = SDPUtils.matchPrefix(mediaSection, 'a=rtpmap:' + pt + ' ')[0];
|
||
if (rtpmapline) {
|
||
var codec = SDPUtils.parseRtpMap(rtpmapline);
|
||
var fmtps = SDPUtils.matchPrefix(mediaSection, 'a=fmtp:' + pt + ' ');
|
||
// Only the first a=fmtp:<pt> is considered.
|
||
codec.parameters = fmtps.length ? SDPUtils.parseFmtp(fmtps[0]) : {};
|
||
codec.rtcpFeedback = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-fb:' + pt + ' ').map(SDPUtils.parseRtcpFb);
|
||
description.codecs.push(codec);
|
||
// parse FEC mechanisms from rtpmap lines.
|
||
switch (codec.name.toUpperCase()) {
|
||
case 'RED':
|
||
case 'ULPFEC':
|
||
description.fecMechanisms.push(codec.name.toUpperCase());
|
||
break;
|
||
default:
|
||
// only RED and ULPFEC are recognized as FEC mechanisms.
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
SDPUtils.matchPrefix(mediaSection, 'a=extmap:').forEach(function (line) {
|
||
description.headerExtensions.push(SDPUtils.parseExtmap(line));
|
||
});
|
||
// FIXME: parse rtcp.
|
||
return description;
|
||
};
|
||
|
||
// Generates parts of the SDP media section describing the capabilities /
|
||
// parameters.
|
||
SDPUtils.writeRtpDescription = function (kind, caps) {
|
||
var sdp = '';
|
||
|
||
// Build the mline.
|
||
sdp += 'm=' + kind + ' ';
|
||
sdp += caps.codecs.length > 0 ? '9' : '0'; // reject if no codecs.
|
||
sdp += ' UDP/TLS/RTP/SAVPF ';
|
||
sdp += caps.codecs.map(function (codec) {
|
||
if (codec.preferredPayloadType !== undefined) {
|
||
return codec.preferredPayloadType;
|
||
}
|
||
return codec.payloadType;
|
||
}).join(' ') + '\r\n';
|
||
|
||
sdp += 'c=IN IP4 0.0.0.0\r\n';
|
||
sdp += 'a=rtcp:9 IN IP4 0.0.0.0\r\n';
|
||
|
||
// Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb.
|
||
caps.codecs.forEach(function (codec) {
|
||
sdp += SDPUtils.writeRtpMap(codec);
|
||
sdp += SDPUtils.writeFmtp(codec);
|
||
sdp += SDPUtils.writeRtcpFb(codec);
|
||
});
|
||
var maxptime = 0;
|
||
caps.codecs.forEach(function (codec) {
|
||
if (codec.maxptime > maxptime) {
|
||
maxptime = codec.maxptime;
|
||
}
|
||
});
|
||
if (maxptime > 0) {
|
||
sdp += 'a=maxptime:' + maxptime + '\r\n';
|
||
}
|
||
|
||
if (caps.headerExtensions) {
|
||
caps.headerExtensions.forEach(function (extension) {
|
||
sdp += SDPUtils.writeExtmap(extension);
|
||
});
|
||
}
|
||
// FIXME: write fecMechanisms.
|
||
return sdp;
|
||
};
|
||
|
||
// Parses the SDP media section and returns an array of
|
||
// RTCRtpEncodingParameters.
|
||
SDPUtils.parseRtpEncodingParameters = function (mediaSection) {
|
||
var encodingParameters = [];
|
||
var description = SDPUtils.parseRtpParameters(mediaSection);
|
||
var hasRed = description.fecMechanisms.indexOf('RED') !== -1;
|
||
var hasUlpfec = description.fecMechanisms.indexOf('ULPFEC') !== -1;
|
||
|
||
// filter a=ssrc:... cname:, ignore PlanB-msid
|
||
var ssrcs = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:').map(function (line) {
|
||
return SDPUtils.parseSsrcMedia(line);
|
||
}).filter(function (parts) {
|
||
return parts.attribute === 'cname';
|
||
});
|
||
var primarySsrc = ssrcs.length > 0 && ssrcs[0].ssrc;
|
||
var secondarySsrc = void 0;
|
||
|
||
var flows = SDPUtils.matchPrefix(mediaSection, 'a=ssrc-group:FID').map(function (line) {
|
||
var parts = line.substr(17).split(' ');
|
||
return parts.map(function (part) {
|
||
return parseInt(part, 10);
|
||
});
|
||
});
|
||
if (flows.length > 0 && flows[0].length > 1 && flows[0][0] === primarySsrc) {
|
||
secondarySsrc = flows[0][1];
|
||
}
|
||
|
||
description.codecs.forEach(function (codec) {
|
||
if (codec.name.toUpperCase() === 'RTX' && codec.parameters.apt) {
|
||
var encParam = {
|
||
ssrc: primarySsrc,
|
||
codecPayloadType: parseInt(codec.parameters.apt, 10)
|
||
};
|
||
if (primarySsrc && secondarySsrc) {
|
||
encParam.rtx = { ssrc: secondarySsrc };
|
||
}
|
||
encodingParameters.push(encParam);
|
||
if (hasRed) {
|
||
encParam = JSON.parse(JSON.stringify(encParam));
|
||
encParam.fec = {
|
||
ssrc: primarySsrc,
|
||
mechanism: hasUlpfec ? 'red+ulpfec' : 'red'
|
||
};
|
||
encodingParameters.push(encParam);
|
||
}
|
||
}
|
||
});
|
||
if (encodingParameters.length === 0 && primarySsrc) {
|
||
encodingParameters.push({
|
||
ssrc: primarySsrc
|
||
});
|
||
}
|
||
|
||
// we support both b=AS and b=TIAS but interpret AS as TIAS.
|
||
var bandwidth = SDPUtils.matchPrefix(mediaSection, 'b=');
|
||
if (bandwidth.length) {
|
||
if (bandwidth[0].indexOf('b=TIAS:') === 0) {
|
||
bandwidth = parseInt(bandwidth[0].substr(7), 10);
|
||
} else if (bandwidth[0].indexOf('b=AS:') === 0) {
|
||
// use formula from JSEP to convert b=AS to TIAS value.
|
||
bandwidth = parseInt(bandwidth[0].substr(5), 10) * 1000 * 0.95 - 50 * 40 * 8;
|
||
} else {
|
||
bandwidth = undefined;
|
||
}
|
||
encodingParameters.forEach(function (params) {
|
||
params.maxBitrate = bandwidth;
|
||
});
|
||
}
|
||
return encodingParameters;
|
||
};
|
||
|
||
// parses http://draft.ortc.org/#rtcrtcpparameters*
|
||
SDPUtils.parseRtcpParameters = function (mediaSection) {
|
||
var rtcpParameters = {};
|
||
|
||
// Gets the first SSRC. Note that with RTX there might be multiple
|
||
// SSRCs.
|
||
var remoteSsrc = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:').map(function (line) {
|
||
return SDPUtils.parseSsrcMedia(line);
|
||
}).filter(function (obj) {
|
||
return obj.attribute === 'cname';
|
||
})[0];
|
||
if (remoteSsrc) {
|
||
rtcpParameters.cname = remoteSsrc.value;
|
||
rtcpParameters.ssrc = remoteSsrc.ssrc;
|
||
}
|
||
|
||
// Edge uses the compound attribute instead of reducedSize
|
||
// compound is !reducedSize
|
||
var rsize = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-rsize');
|
||
rtcpParameters.reducedSize = rsize.length > 0;
|
||
rtcpParameters.compound = rsize.length === 0;
|
||
|
||
// parses the rtcp-mux attrіbute.
|
||
// Note that Edge does not support unmuxed RTCP.
|
||
var mux = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-mux');
|
||
rtcpParameters.mux = mux.length > 0;
|
||
|
||
return rtcpParameters;
|
||
};
|
||
|
||
SDPUtils.writeRtcpParameters = function (rtcpParameters) {
|
||
var sdp = '';
|
||
if (rtcpParameters.reducedSize) {
|
||
sdp += 'a=rtcp-rsize\r\n';
|
||
}
|
||
if (rtcpParameters.mux) {
|
||
sdp += 'a=rtcp-mux\r\n';
|
||
}
|
||
if (rtcpParameters.ssrc !== undefined && rtcpParameters.cname) {
|
||
sdp += 'a=ssrc:' + rtcpParameters.ssrc + ' cname:' + rtcpParameters.cname + '\r\n';
|
||
}
|
||
return sdp;
|
||
};
|
||
|
||
// parses either a=msid: or a=ssrc:... msid lines and returns
|
||
// the id of the MediaStream and MediaStreamTrack.
|
||
SDPUtils.parseMsid = function (mediaSection) {
|
||
var parts = void 0;
|
||
var spec = SDPUtils.matchPrefix(mediaSection, 'a=msid:');
|
||
if (spec.length === 1) {
|
||
parts = spec[0].substr(7).split(' ');
|
||
return { stream: parts[0], track: parts[1] };
|
||
}
|
||
var planB = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:').map(function (line) {
|
||
return SDPUtils.parseSsrcMedia(line);
|
||
}).filter(function (msidParts) {
|
||
return msidParts.attribute === 'msid';
|
||
});
|
||
if (planB.length > 0) {
|
||
parts = planB[0].value.split(' ');
|
||
return { stream: parts[0], track: parts[1] };
|
||
}
|
||
};
|
||
|
||
// SCTP
|
||
// parses draft-ietf-mmusic-sctp-sdp-26 first and falls back
|
||
// to draft-ietf-mmusic-sctp-sdp-05
|
||
SDPUtils.parseSctpDescription = function (mediaSection) {
|
||
var mline = SDPUtils.parseMLine(mediaSection);
|
||
var maxSizeLine = SDPUtils.matchPrefix(mediaSection, 'a=max-message-size:');
|
||
var maxMessageSize = void 0;
|
||
if (maxSizeLine.length > 0) {
|
||
maxMessageSize = parseInt(maxSizeLine[0].substr(19), 10);
|
||
}
|
||
if (isNaN(maxMessageSize)) {
|
||
maxMessageSize = 65536;
|
||
}
|
||
var sctpPort = SDPUtils.matchPrefix(mediaSection, 'a=sctp-port:');
|
||
if (sctpPort.length > 0) {
|
||
return {
|
||
port: parseInt(sctpPort[0].substr(12), 10),
|
||
protocol: mline.fmt,
|
||
maxMessageSize: maxMessageSize
|
||
};
|
||
}
|
||
var sctpMapLines = SDPUtils.matchPrefix(mediaSection, 'a=sctpmap:');
|
||
if (sctpMapLines.length > 0) {
|
||
var parts = sctpMapLines[0].substr(10).split(' ');
|
||
return {
|
||
port: parseInt(parts[0], 10),
|
||
protocol: parts[1],
|
||
maxMessageSize: maxMessageSize
|
||
};
|
||
}
|
||
};
|
||
|
||
// SCTP
|
||
// outputs the draft-ietf-mmusic-sctp-sdp-26 version that all browsers
|
||
// support by now receiving in this format, unless we originally parsed
|
||
// as the draft-ietf-mmusic-sctp-sdp-05 format (indicated by the m-line
|
||
// protocol of DTLS/SCTP -- without UDP/ or TCP/)
|
||
SDPUtils.writeSctpDescription = function (media, sctp) {
|
||
var output = [];
|
||
if (media.protocol !== 'DTLS/SCTP') {
|
||
output = ['m=' + media.kind + ' 9 ' + media.protocol + ' ' + sctp.protocol + '\r\n', 'c=IN IP4 0.0.0.0\r\n', 'a=sctp-port:' + sctp.port + '\r\n'];
|
||
} else {
|
||
output = ['m=' + media.kind + ' 9 ' + media.protocol + ' ' + sctp.port + '\r\n', 'c=IN IP4 0.0.0.0\r\n', 'a=sctpmap:' + sctp.port + ' ' + sctp.protocol + ' 65535\r\n'];
|
||
}
|
||
if (sctp.maxMessageSize !== undefined) {
|
||
output.push('a=max-message-size:' + sctp.maxMessageSize + '\r\n');
|
||
}
|
||
return output.join('');
|
||
};
|
||
|
||
// Generate a session ID for SDP.
|
||
// https://tools.ietf.org/html/draft-ietf-rtcweb-jsep-20#section-5.2.1
|
||
// recommends using a cryptographically random +ve 64-bit value
|
||
// but right now this should be acceptable and within the right range
|
||
SDPUtils.generateSessionId = function () {
|
||
return Math.random().toString().substr(2, 21);
|
||
};
|
||
|
||
// Write boiler plate for start of SDP
|
||
// sessId argument is optional - if not supplied it will
|
||
// be generated randomly
|
||
// sessVersion is optional and defaults to 2
|
||
// sessUser is optional and defaults to 'thisisadapterortc'
|
||
SDPUtils.writeSessionBoilerplate = function (sessId, sessVer, sessUser) {
|
||
var sessionId = void 0;
|
||
var version = sessVer !== undefined ? sessVer : 2;
|
||
if (sessId) {
|
||
sessionId = sessId;
|
||
} else {
|
||
sessionId = SDPUtils.generateSessionId();
|
||
}
|
||
var user = sessUser || 'thisisadapterortc';
|
||
// FIXME: sess-id should be an NTP timestamp.
|
||
return 'v=0\r\n' + 'o=' + user + ' ' + sessionId + ' ' + version + ' IN IP4 127.0.0.1\r\n' + 's=-\r\n' + 't=0 0\r\n';
|
||
};
|
||
|
||
// Gets the direction from the mediaSection or the sessionpart.
|
||
SDPUtils.getDirection = function (mediaSection, sessionpart) {
|
||
// Look for sendrecv, sendonly, recvonly, inactive, default to sendrecv.
|
||
var lines = SDPUtils.splitLines(mediaSection);
|
||
for (var i = 0; i < lines.length; i++) {
|
||
switch (lines[i]) {
|
||
case 'a=sendrecv':
|
||
case 'a=sendonly':
|
||
case 'a=recvonly':
|
||
case 'a=inactive':
|
||
return lines[i].substr(2);
|
||
default:
|
||
// FIXME: What should happen here?
|
||
}
|
||
}
|
||
if (sessionpart) {
|
||
return SDPUtils.getDirection(sessionpart);
|
||
}
|
||
return 'sendrecv';
|
||
};
|
||
|
||
SDPUtils.getKind = function (mediaSection) {
|
||
var lines = SDPUtils.splitLines(mediaSection);
|
||
var mline = lines[0].split(' ');
|
||
return mline[0].substr(2);
|
||
};
|
||
|
||
SDPUtils.isRejected = function (mediaSection) {
|
||
return mediaSection.split(' ', 2)[1] === '0';
|
||
};
|
||
|
||
SDPUtils.parseMLine = function (mediaSection) {
|
||
var lines = SDPUtils.splitLines(mediaSection);
|
||
var parts = lines[0].substr(2).split(' ');
|
||
return {
|
||
kind: parts[0],
|
||
port: parseInt(parts[1], 10),
|
||
protocol: parts[2],
|
||
fmt: parts.slice(3).join(' ')
|
||
};
|
||
};
|
||
|
||
SDPUtils.parseOLine = function (mediaSection) {
|
||
var line = SDPUtils.matchPrefix(mediaSection, 'o=')[0];
|
||
var parts = line.substr(2).split(' ');
|
||
return {
|
||
username: parts[0],
|
||
sessionId: parts[1],
|
||
sessionVersion: parseInt(parts[2], 10),
|
||
netType: parts[3],
|
||
addressType: parts[4],
|
||
address: parts[5]
|
||
};
|
||
};
|
||
|
||
// a very naive interpretation of a valid SDP.
|
||
SDPUtils.isValidSDP = function (blob) {
|
||
if (typeof blob !== 'string' || blob.length === 0) {
|
||
return false;
|
||
}
|
||
var lines = SDPUtils.splitLines(blob);
|
||
for (var i = 0; i < lines.length; i++) {
|
||
if (lines[i].length < 2 || lines[i].charAt(1) !== '=') {
|
||
return false;
|
||
}
|
||
// TODO: check the modifier a bit more.
|
||
}
|
||
return true;
|
||
};
|
||
|
||
// Expose public methods.
|
||
if ((typeof module === 'undefined' ? 'undefined' : _typeof(module)) === 'object') {
|
||
module.exports = SDPUtils;
|
||
}
|
||
},{}]},{},[1])(1)
|
||
});
|