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@@ -0,0 +1,5245 @@
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+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.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){
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+/*
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+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
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+ *
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+ * Use of this source code is governed by a BSD-style license
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+ * that can be found in the LICENSE file in the root of the source
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+ * tree.
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+ */
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+/* eslint-env node */
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+
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+'use strict';
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+
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+var _adapter_factory = require('./adapter_factory.js');
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+
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+var adapter = (0, _adapter_factory.adapterFactory)({ window: window });
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+module.exports = adapter; // this is the difference from adapter_core.
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+
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+},{"./adapter_factory.js":2}],2:[function(require,module,exports){
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+'use strict';
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+
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+Object.defineProperty(exports, "__esModule", {
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+ value: true
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+});
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+exports.adapterFactory = adapterFactory;
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+
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+var _utils = require('./utils');
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+
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+var utils = _interopRequireWildcard(_utils);
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+
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+var _chrome_shim = require('./chrome/chrome_shim');
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+
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+var chromeShim = _interopRequireWildcard(_chrome_shim);
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+
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+var _edge_shim = require('./edge/edge_shim');
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+
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+var edgeShim = _interopRequireWildcard(_edge_shim);
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+
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+var _firefox_shim = require('./firefox/firefox_shim');
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+
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+var firefoxShim = _interopRequireWildcard(_firefox_shim);
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+
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+var _safari_shim = require('./safari/safari_shim');
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+
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+var safariShim = _interopRequireWildcard(_safari_shim);
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+
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+var _common_shim = require('./common_shim');
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+
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+var commonShim = _interopRequireWildcard(_common_shim);
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+
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+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; } }
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+
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+// Shimming starts here.
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+/*
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+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
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+ *
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+ * Use of this source code is governed by a BSD-style license
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+ * that can be found in the LICENSE file in the root of the source
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+ * tree.
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+ */
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+function adapterFactory() {
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+ var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
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+ window = _ref.window;
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+
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+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {
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+ shimChrome: true,
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+ shimFirefox: true,
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+ shimEdge: true,
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+ shimSafari: true
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+ };
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+
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+ // Utils.
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+ var logging = utils.log;
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+ var browserDetails = utils.detectBrowser(window);
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+
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+ var adapter = {
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+ browserDetails: browserDetails,
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+ commonShim: commonShim,
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+ extractVersion: utils.extractVersion,
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+ disableLog: utils.disableLog,
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+ disableWarnings: utils.disableWarnings
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+ };
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+
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+ // Shim browser if found.
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+ switch (browserDetails.browser) {
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+ case 'chrome':
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+ if (!chromeShim || !chromeShim.shimPeerConnection || !options.shimChrome) {
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+ logging('Chrome shim is not included in this adapter release.');
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+ return adapter;
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+ }
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+ logging('adapter.js shimming chrome.');
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+ // Export to the adapter global object visible in the browser.
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+ adapter.browserShim = chromeShim;
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+
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+ chromeShim.shimGetUserMedia(window);
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+ chromeShim.shimMediaStream(window);
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+ chromeShim.shimPeerConnection(window);
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+ chromeShim.shimOnTrack(window);
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+ chromeShim.shimAddTrackRemoveTrack(window);
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+ chromeShim.shimGetSendersWithDtmf(window);
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+ chromeShim.shimSenderReceiverGetStats(window);
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+ chromeShim.fixNegotiationNeeded(window);
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+
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+ commonShim.shimRTCIceCandidate(window);
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+ commonShim.shimConnectionState(window);
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+ commonShim.shimMaxMessageSize(window);
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+ commonShim.shimSendThrowTypeError(window);
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+ commonShim.removeAllowExtmapMixed(window);
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+ break;
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+ case 'firefox':
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+ if (!firefoxShim || !firefoxShim.shimPeerConnection || !options.shimFirefox) {
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+ logging('Firefox shim is not included in this adapter release.');
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+ return adapter;
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+ }
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+ logging('adapter.js shimming firefox.');
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+ // Export to the adapter global object visible in the browser.
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+ adapter.browserShim = firefoxShim;
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+
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+ firefoxShim.shimGetUserMedia(window);
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+ firefoxShim.shimPeerConnection(window);
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+ firefoxShim.shimOnTrack(window);
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+ firefoxShim.shimRemoveStream(window);
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+ firefoxShim.shimSenderGetStats(window);
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+ firefoxShim.shimReceiverGetStats(window);
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+ firefoxShim.shimRTCDataChannel(window);
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+
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+ commonShim.shimRTCIceCandidate(window);
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+ commonShim.shimConnectionState(window);
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+ commonShim.shimMaxMessageSize(window);
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+ commonShim.shimSendThrowTypeError(window);
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+ break;
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+ case 'edge':
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+ if (!edgeShim || !edgeShim.shimPeerConnection || !options.shimEdge) {
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+ logging('MS edge shim is not included in this adapter release.');
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+ return adapter;
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+ }
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+ logging('adapter.js shimming edge.');
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+ // Export to the adapter global object visible in the browser.
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+ adapter.browserShim = edgeShim;
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+
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+ edgeShim.shimGetUserMedia(window);
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+ edgeShim.shimGetDisplayMedia(window);
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+ edgeShim.shimPeerConnection(window);
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+ edgeShim.shimReplaceTrack(window);
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+
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+ // the edge shim implements the full RTCIceCandidate object.
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+
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+ commonShim.shimMaxMessageSize(window);
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+ commonShim.shimSendThrowTypeError(window);
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+ break;
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+ case 'safari':
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+ if (!safariShim || !options.shimSafari) {
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+ logging('Safari shim is not included in this adapter release.');
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+ return adapter;
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+ }
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+ logging('adapter.js shimming safari.');
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+ // Export to the adapter global object visible in the browser.
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+ adapter.browserShim = safariShim;
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+
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+ safariShim.shimRTCIceServerUrls(window);
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+ safariShim.shimCreateOfferLegacy(window);
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+ safariShim.shimCallbacksAPI(window);
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+ safariShim.shimLocalStreamsAPI(window);
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+ safariShim.shimRemoteStreamsAPI(window);
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+ safariShim.shimTrackEventTransceiver(window);
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+ safariShim.shimGetUserMedia(window);
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+
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+ commonShim.shimRTCIceCandidate(window);
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+ commonShim.shimMaxMessageSize(window);
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+ commonShim.shimSendThrowTypeError(window);
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+ commonShim.removeAllowExtmapMixed(window);
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+ break;
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+ default:
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+ logging('Unsupported browser!');
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+ break;
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+ }
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+
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+ return adapter;
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+}
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+
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+// Browser shims.
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+
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+},{"./chrome/chrome_shim":3,"./common_shim":6,"./edge/edge_shim":7,"./firefox/firefox_shim":11,"./safari/safari_shim":14,"./utils":15}],3:[function(require,module,exports){
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+
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+/*
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+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
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+ *
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+ * Use of this source code is governed by a BSD-style license
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+ * that can be found in the LICENSE file in the root of the source
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+ * tree.
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+ */
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+/* eslint-env node */
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+'use strict';
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+
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+Object.defineProperty(exports, "__esModule", {
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+ value: true
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+});
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+exports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined;
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+
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+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; };
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+
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+var _getusermedia = require('./getusermedia');
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+
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+Object.defineProperty(exports, 'shimGetUserMedia', {
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+ enumerable: true,
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+ get: function get() {
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+ return _getusermedia.shimGetUserMedia;
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+ }
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+});
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+
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+var _getdisplaymedia = require('./getdisplaymedia');
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+
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+Object.defineProperty(exports, 'shimGetDisplayMedia', {
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+ enumerable: true,
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+ get: function get() {
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+ return _getdisplaymedia.shimGetDisplayMedia;
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+ }
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+});
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+exports.shimMediaStream = shimMediaStream;
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+exports.shimOnTrack = shimOnTrack;
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+exports.shimGetSendersWithDtmf = shimGetSendersWithDtmf;
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+exports.shimSenderReceiverGetStats = shimSenderReceiverGetStats;
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+exports.shimAddTrackRemoveTrackWithNative = shimAddTrackRemoveTrackWithNative;
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+exports.shimAddTrackRemoveTrack = shimAddTrackRemoveTrack;
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+exports.shimPeerConnection = shimPeerConnection;
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+exports.fixNegotiationNeeded = fixNegotiationNeeded;
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+
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+var _utils = require('../utils.js');
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+
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+var utils = _interopRequireWildcard(_utils);
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+
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+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; } }
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+
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+/* iterates the stats graph recursively. */
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+function walkStats(stats, base, resultSet) {
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+ if (!base || resultSet.has(base.id)) {
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+ return;
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+ }
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+ resultSet.set(base.id, base);
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+ Object.keys(base).forEach(function (name) {
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+ if (name.endsWith('Id')) {
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+ walkStats(stats, stats.get(base[name]), resultSet);
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+ } else if (name.endsWith('Ids')) {
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+ base[name].forEach(function (id) {
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+ walkStats(stats, stats.get(id), resultSet);
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+ });
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+ }
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+ });
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+}
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+
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+/* filter getStats for a sender/receiver track. */
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+function filterStats(result, track, outbound) {
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+ var streamStatsType = outbound ? 'outbound-rtp' : 'inbound-rtp';
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+ var filteredResult = new Map();
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+ if (track === null) {
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+ return filteredResult;
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+ }
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+ var trackStats = [];
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+ result.forEach(function (value) {
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+ if (value.type === 'track' && value.trackIdentifier === track.id) {
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+ trackStats.push(value);
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+ }
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+ });
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+ trackStats.forEach(function (trackStat) {
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+ result.forEach(function (stats) {
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+ if (stats.type === streamStatsType && stats.trackId === trackStat.id) {
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+ walkStats(result, stats, filteredResult);
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+ }
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+ });
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+ });
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+ return filteredResult;
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+}
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+
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+function shimMediaStream(window) {
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+ window.MediaStream = window.MediaStream || window.webkitMediaStream;
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+}
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+
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+function shimOnTrack(window) {
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+ if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && !('ontrack' in window.RTCPeerConnection.prototype)) {
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+ Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {
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+ get: function get() {
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+ return this._ontrack;
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+ },
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+ set: function set(f) {
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+ if (this._ontrack) {
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+ this.removeEventListener('track', this._ontrack);
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+ }
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+ this.addEventListener('track', this._ontrack = f);
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+ },
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+
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+ enumerable: true,
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+ configurable: true
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+ });
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+ var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;
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+ window.RTCPeerConnection.prototype.setRemoteDescription = function () {
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+ var _this = this;
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+
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+ if (!this._ontrackpoly) {
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+ this._ontrackpoly = function (e) {
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+ // onaddstream does not fire when a track is added to an existing
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+ // stream. But stream.onaddtrack is implemented so we use that.
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+ e.stream.addEventListener('addtrack', function (te) {
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+ var receiver = void 0;
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+ if (window.RTCPeerConnection.prototype.getReceivers) {
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+ receiver = _this.getReceivers().find(function (r) {
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+ return r.track && r.track.id === te.track.id;
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+ });
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+ } else {
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+ receiver = { track: te.track };
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+ }
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+
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+ var event = new Event('track');
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+ event.track = te.track;
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+ event.receiver = receiver;
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+ event.transceiver = { receiver: receiver };
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+ event.streams = [e.stream];
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+ _this.dispatchEvent(event);
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+ });
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+ e.stream.getTracks().forEach(function (track) {
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+ var receiver = void 0;
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+ if (window.RTCPeerConnection.prototype.getReceivers) {
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+ receiver = _this.getReceivers().find(function (r) {
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+ return r.track && r.track.id === track.id;
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+ });
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+ } else {
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+ receiver = { track: track };
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+ }
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+ var event = new Event('track');
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+ event.track = track;
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+ event.receiver = receiver;
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+ event.transceiver = { receiver: receiver };
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+ event.streams = [e.stream];
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+ _this.dispatchEvent(event);
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+ });
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+ };
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+ this.addEventListener('addstream', this._ontrackpoly);
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+ }
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+ return origSetRemoteDescription.apply(this, arguments);
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+ };
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+ } else {
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+ // even if RTCRtpTransceiver is in window, it is only used and
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+ // emitted in unified-plan. Unfortunately this means we need
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+ // to unconditionally wrap the event.
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+ utils.wrapPeerConnectionEvent(window, 'track', function (e) {
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+ if (!e.transceiver) {
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+ Object.defineProperty(e, 'transceiver', { value: { receiver: e.receiver } });
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+ }
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+ return e;
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+ });
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+ }
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+}
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+
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+function shimGetSendersWithDtmf(window) {
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+ // Overrides addTrack/removeTrack, depends on shimAddTrackRemoveTrack.
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+ if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && !('getSenders' in window.RTCPeerConnection.prototype) && 'createDTMFSender' in window.RTCPeerConnection.prototype) {
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+ var shimSenderWithDtmf = function shimSenderWithDtmf(pc, track) {
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+ return {
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+ track: track,
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+ get dtmf() {
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+ if (this._dtmf === undefined) {
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+ if (track.kind === 'audio') {
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+ this._dtmf = pc.createDTMFSender(track);
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+ } else {
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+ this._dtmf = null;
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+ }
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+ }
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+ return this._dtmf;
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+ },
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+ _pc: pc
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+ };
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+ };
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+
|
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+ // augment addTrack when getSenders is not available.
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+ if (!window.RTCPeerConnection.prototype.getSenders) {
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+ window.RTCPeerConnection.prototype.getSenders = function () {
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+ this._senders = this._senders || [];
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|
|
+ return this._senders.slice(); // return a copy of the internal state.
|
|
|
+ };
|
|
|
+ var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
|
|
|
+ window.RTCPeerConnection.prototype.addTrack = function (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 (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 (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 (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 () {
|
|
|
+ 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 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 () {
|
|
|
+ var _this5 = this;
|
|
|
+
|
|
|
+ var senders = origGetSenders.apply(this, []);
|
|
|
+ senders.forEach(function (sender) {
|
|
|
+ return sender._pc = _this5;
|
|
|
+ });
|
|
|
+ return senders;
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+ var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
|
|
|
+ if (origAddTrack) {
|
|
|
+ window.RTCPeerConnection.prototype.addTrack = function () {
|
|
|
+ var sender = origAddTrack.apply(this, arguments);
|
|
|
+ sender._pc = this;
|
|
|
+ return sender;
|
|
|
+ };
|
|
|
+ }
|
|
|
+ window.RTCRtpSender.prototype.getStats = function () {
|
|
|
+ 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.
|
|
|
+ */
|
|
|
+ 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 () {
|
|
|
+ var _this6 = this;
|
|
|
+
|
|
|
+ var receivers = origGetReceivers.apply(this, []);
|
|
|
+ receivers.forEach(function (receiver) {
|
|
|
+ return receiver._pc = _this6;
|
|
|
+ });
|
|
|
+ return receivers;
|
|
|
+ };
|
|
|
+ }
|
|
|
+ utils.wrapPeerConnectionEvent(window, 'track', function (e) {
|
|
|
+ e.receiver._pc = e.srcElement;
|
|
|
+ return e;
|
|
|
+ });
|
|
|
+ window.RTCRtpReceiver.prototype.getStats = function () {
|
|
|
+ var receiver = this;
|
|
|
+ return this._pc.getStats().then(function (result) {
|
|
|
+ return 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 () {
|
|
|
+ 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 () {
|
|
|
+ var _this7 = this;
|
|
|
+
|
|
|
+ this._shimmedLocalStreams = this._shimmedLocalStreams || {};
|
|
|
+ return Object.keys(this._shimmedLocalStreams).map(function (streamId) {
|
|
|
+ return _this7._shimmedLocalStreams[streamId][0];
|
|
|
+ });
|
|
|
+ };
|
|
|
+
|
|
|
+ var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
|
|
|
+ window.RTCPeerConnection.prototype.addTrack = function (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 (stream) {
|
|
|
+ var _this8 = this;
|
|
|
+
|
|
|
+ this._shimmedLocalStreams = this._shimmedLocalStreams || {};
|
|
|
+
|
|
|
+ stream.getTracks().forEach(function (track) {
|
|
|
+ var alreadyExists = _this8.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 (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 (sender) {
|
|
|
+ var _this9 = this;
|
|
|
+
|
|
|
+ this._shimmedLocalStreams = this._shimmedLocalStreams || {};
|
|
|
+ if (sender) {
|
|
|
+ Object.keys(this._shimmedLocalStreams).forEach(function (streamId) {
|
|
|
+ var idx = _this9._shimmedLocalStreams[streamId].indexOf(sender);
|
|
|
+ if (idx !== -1) {
|
|
|
+ _this9._shimmedLocalStreams[streamId].splice(idx, 1);
|
|
|
+ }
|
|
|
+ if (_this9._shimmedLocalStreams[streamId].length === 1) {
|
|
|
+ delete _this9._shimmedLocalStreams[streamId];
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+ return origRemoveTrack.apply(this, arguments);
|
|
|
+ };
|
|
|
+}
|
|
|
+
|
|
|
+function shimAddTrackRemoveTrack(window) {
|
|
|
+ if (!window.RTCPeerConnection) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ var browserDetails = utils.detectBrowser(window);
|
|
|
+ // shim addTrack and removeTrack.
|
|
|
+ if (window.RTCPeerConnection.prototype.addTrack && browserDetails.version >= 65) {
|
|
|
+ return shimAddTrackRemoveTrackWithNative(window);
|
|
|
+ }
|
|
|
+
|
|
|
+ // also shim pc.getLocalStreams when addTrack is shimmed
|
|
|
+ // to return the original streams.
|
|
|
+ var origGetLocalStreams = window.RTCPeerConnection.prototype.getLocalStreams;
|
|
|
+ window.RTCPeerConnection.prototype.getLocalStreams = function () {
|
|
|
+ var _this10 = this;
|
|
|
+
|
|
|
+ var nativeStreams = origGetLocalStreams.apply(this);
|
|
|
+ this._reverseStreams = this._reverseStreams || {};
|
|
|
+ return nativeStreams.map(function (stream) {
|
|
|
+ return _this10._reverseStreams[stream.id];
|
|
|
+ });
|
|
|
+ };
|
|
|
+
|
|
|
+ var origAddStream = window.RTCPeerConnection.prototype.addStream;
|
|
|
+ window.RTCPeerConnection.prototype.addStream = function (stream) {
|
|
|
+ var _this11 = this;
|
|
|
+
|
|
|
+ this._streams = this._streams || {};
|
|
|
+ this._reverseStreams = this._reverseStreams || {};
|
|
|
+
|
|
|
+ stream.getTracks().forEach(function (track) {
|
|
|
+ var alreadyExists = _this11.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 (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 (track, stream) {
|
|
|
+ var _this12 = 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 () {
|
|
|
+ _this12.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];
|
|
|
+ window.RTCPeerConnection.prototype[method] = function () {
|
|
|
+ var _this13 = this;
|
|
|
+
|
|
|
+ var args = arguments;
|
|
|
+ var isLegacyCall = arguments.length && typeof arguments[0] === 'function';
|
|
|
+ if (isLegacyCall) {
|
|
|
+ return nativeMethod.apply(this, [function (description) {
|
|
|
+ var desc = replaceInternalStreamId(_this13, 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(_this13, description);
|
|
|
+ });
|
|
|
+ };
|
|
|
+ });
|
|
|
+
|
|
|
+ var origSetLocalDescription = window.RTCPeerConnection.prototype.setLocalDescription;
|
|
|
+ window.RTCPeerConnection.prototype.setLocalDescription = function () {
|
|
|
+ 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 (sender) {
|
|
|
+ var _this14 = 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 = _this14._streams[streamid].getTracks().find(function (track) {
|
|
|
+ return sender.track === track;
|
|
|
+ });
|
|
|
+ if (hasTrack) {
|
|
|
+ stream = _this14._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) {
|
|
|
+ if (!window.RTCPeerConnection && window.webkitRTCPeerConnection) {
|
|
|
+ // very basic support for old versions.
|
|
|
+ window.RTCPeerConnection = window.webkitRTCPeerConnection;
|
|
|
+ }
|
|
|
+ if (!window.RTCPeerConnection) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ var origGetStats = window.RTCPeerConnection.prototype.getStats;
|
|
|
+ window.RTCPeerConnection.prototype.getStats = function (selector, successCallback, errorCallback) {
|
|
|
+ var _this15 = this;
|
|
|
+
|
|
|
+ var args = arguments;
|
|
|
+
|
|
|
+ // 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 arguments[0] !== '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) {
|
|
|
+ args[1](makeMapStats(fixChromeStats_(response)));
|
|
|
+ };
|
|
|
+
|
|
|
+ return origGetStats.apply(this, [successCallbackWrapper_, arguments[0]]);
|
|
|
+ }
|
|
|
+
|
|
|
+ // promise-support
|
|
|
+ return new Promise(function (resolve, reject) {
|
|
|
+ origGetStats.apply(_this15, [function (response) {
|
|
|
+ resolve(makeMapStats(fixChromeStats_(response)));
|
|
|
+ }, reject]);
|
|
|
+ }).then(successCallback, errorCallback);
|
|
|
+ };
|
|
|
+
|
|
|
+ // shim implicit creation of RTCSessionDescription/RTCIceCandidate
|
|
|
+ ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'].forEach(function (method) {
|
|
|
+ var nativeMethod = window.RTCPeerConnection.prototype[method];
|
|
|
+ window.RTCPeerConnection.prototype[method] = function () {
|
|
|
+ arguments[0] = new (method === 'addIceCandidate' ? window.RTCIceCandidate : window.RTCSessionDescription)(arguments[0]);
|
|
|
+ return nativeMethod.apply(this, arguments);
|
|
|
+ };
|
|
|
+ });
|
|
|
+
|
|
|
+ // support for addIceCandidate(null or undefined)
|
|
|
+ var nativeAddIceCandidate = window.RTCPeerConnection.prototype.addIceCandidate;
|
|
|
+ window.RTCPeerConnection.prototype.addIceCandidate = function () {
|
|
|
+ if (!arguments[0]) {
|
|
|
+ if (arguments[1]) {
|
|
|
+ arguments[1].apply(null);
|
|
|
+ }
|
|
|
+ return Promise.resolve();
|
|
|
+ }
|
|
|
+ return nativeAddIceCandidate.apply(this, arguments);
|
|
|
+ };
|
|
|
+}
|
|
|
+
|
|
|
+function fixNegotiationNeeded(window) {
|
|
|
+ utils.wrapPeerConnectionEvent(window, 'negotiationneeded', function (e) {
|
|
|
+ var pc = e.target;
|
|
|
+ if (pc.signalingState !== 'stable') {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ return e;
|
|
|
+ });
|
|
|
+}
|
|
|
+
|
|
|
+},{"../utils.js":15,"./getdisplaymedia":4,"./getusermedia":5}],4:[function(require,module,exports){
|
|
|
+/*
|
|
|
+ * Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.
|
|
|
+ *
|
|
|
+ * Use of this source code is governed by a BSD-style license
|
|
|
+ * that can be found in the LICENSE file in the root of the source
|
|
|
+ * tree.
|
|
|
+ */
|
|
|
+/* eslint-env node */
|
|
|
+'use strict';
|
|
|
+
|
|
|
+Object.defineProperty(exports, "__esModule", {
|
|
|
+ value: true
|
|
|
+});
|
|
|
+exports.shimGetDisplayMedia = shimGetDisplayMedia;
|
|
|
+function shimGetDisplayMedia(window, getSourceId) {
|
|
|
+ if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ if (!window.navigator.mediaDevices) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ // getSourceId is a function that returns a promise resolving with
|
|
|
+ // the sourceId of the screen/window/tab to be shared.
|
|
|
+ if (typeof getSourceId !== 'function') {
|
|
|
+ console.error('shimGetDisplayMedia: getSourceId argument is not ' + 'a function');
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ window.navigator.mediaDevices.getDisplayMedia = function (constraints) {
|
|
|
+ return getSourceId(constraints).then(function (sourceId) {
|
|
|
+ var widthSpecified = constraints.video && constraints.video.width;
|
|
|
+ var heightSpecified = constraints.video && constraints.video.height;
|
|
|
+ var frameRateSpecified = constraints.video && constraints.video.frameRate;
|
|
|
+ constraints.video = {
|
|
|
+ mandatory: {
|
|
|
+ chromeMediaSource: 'desktop',
|
|
|
+ chromeMediaSourceId: sourceId,
|
|
|
+ maxFrameRate: frameRateSpecified || 3
|
|
|
+ }
|
|
|
+ };
|
|
|
+ if (widthSpecified) {
|
|
|
+ constraints.video.mandatory.maxWidth = widthSpecified;
|
|
|
+ }
|
|
|
+ if (heightSpecified) {
|
|
|
+ constraints.video.mandatory.maxHeight = heightSpecified;
|
|
|
+ }
|
|
|
+ return window.navigator.mediaDevices.getUserMedia(constraints);
|
|
|
+ });
|
|
|
+ };
|
|
|
+}
|
|
|
+
|
|
|
+},{}],5:[function(require,module,exports){
|
|
|
+/*
|
|
|
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
|
|
|
+ *
|
|
|
+ * Use of this source code is governed by a BSD-style license
|
|
|
+ * that can be found in the LICENSE file in the root of the source
|
|
|
+ * tree.
|
|
|
+ */
|
|
|
+/* eslint-env node */
|
|
|
+'use strict';
|
|
|
+
|
|
|
+Object.defineProperty(exports, "__esModule", {
|
|
|
+ value: true
|
|
|
+});
|
|
|
+
|
|
|
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
|
|
|
+
|
|
|
+exports.shimGetUserMedia = shimGetUserMedia;
|
|
|
+
|
|
|
+var _utils = require('../utils.js');
|
|
|
+
|
|
|
+var utils = _interopRequireWildcard(_utils);
|
|
|
+
|
|
|
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
|
|
|
+
|
|
|
+var logging = utils.log;
|
|
|
+
|
|
|
+function shimGetUserMedia(window) {
|
|
|
+ var navigator = window && window.navigator;
|
|
|
+
|
|
|
+ if (!navigator.mediaDevices) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ var browserDetails = utils.detectBrowser(window);
|
|
|
+
|
|
|
+ var constraintsToChrome_ = function constraintsToChrome_(c) {
|
|
|
+ if ((typeof c === 'undefined' ? 'undefined' : _typeof(c)) !== 'object' || c.mandatory || c.optional) {
|
|
|
+ return c;
|
|
|
+ }
|
|
|
+ var cc = {};
|
|
|
+ Object.keys(c).forEach(function (key) {
|
|
|
+ if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ var r = _typeof(c[key]) === 'object' ? c[key] : { ideal: c[key] };
|
|
|
+ if (r.exact !== undefined && typeof r.exact === 'number') {
|
|
|
+ r.min = r.max = r.exact;
|
|
|
+ }
|
|
|
+ var oldname_ = function oldname_(prefix, name) {
|
|
|
+ if (prefix) {
|
|
|
+ return prefix + name.charAt(0).toUpperCase() + name.slice(1);
|
|
|
+ }
|
|
|
+ return name === 'deviceId' ? 'sourceId' : name;
|
|
|
+ };
|
|
|
+ if (r.ideal !== undefined) {
|
|
|
+ cc.optional = cc.optional || [];
|
|
|
+ var oc = {};
|
|
|
+ if (typeof r.ideal === 'number') {
|
|
|
+ oc[oldname_('min', key)] = r.ideal;
|
|
|
+ cc.optional.push(oc);
|
|
|
+ oc = {};
|
|
|
+ oc[oldname_('max', key)] = r.ideal;
|
|
|
+ cc.optional.push(oc);
|
|
|
+ } else {
|
|
|
+ oc[oldname_('', key)] = r.ideal;
|
|
|
+ cc.optional.push(oc);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (r.exact !== undefined && typeof r.exact !== 'number') {
|
|
|
+ cc.mandatory = cc.mandatory || {};
|
|
|
+ cc.mandatory[oldname_('', key)] = r.exact;
|
|
|
+ } else {
|
|
|
+ ['min', 'max'].forEach(function (mix) {
|
|
|
+ if (r[mix] !== undefined) {
|
|
|
+ cc.mandatory = cc.mandatory || {};
|
|
|
+ cc.mandatory[oldname_(mix, key)] = r[mix];
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+ });
|
|
|
+ if (c.advanced) {
|
|
|
+ cc.optional = (cc.optional || []).concat(c.advanced);
|
|
|
+ }
|
|
|
+ return cc;
|
|
|
+ };
|
|
|
+
|
|
|
+ var shimConstraints_ = function shimConstraints_(constraints, func) {
|
|
|
+ if (browserDetails.version >= 61) {
|
|
|
+ return func(constraints);
|
|
|
+ }
|
|
|
+ constraints = JSON.parse(JSON.stringify(constraints));
|
|
|
+ if (constraints && _typeof(constraints.audio) === 'object') {
|
|
|
+ var remap = function remap(obj, a, b) {
|
|
|
+ if (a in obj && !(b in obj)) {
|
|
|
+ obj[b] = obj[a];
|
|
|
+ delete obj[a];
|
|
|
+ }
|
|
|
+ };
|
|
|
+ constraints = JSON.parse(JSON.stringify(constraints));
|
|
|
+ remap(constraints.audio, 'autoGainControl', 'googAutoGainControl');
|
|
|
+ remap(constraints.audio, 'noiseSuppression', 'googNoiseSuppression');
|
|
|
+ constraints.audio = constraintsToChrome_(constraints.audio);
|
|
|
+ }
|
|
|
+ if (constraints && _typeof(constraints.video) === 'object') {
|
|
|
+ // Shim facingMode for mobile & surface pro.
|
|
|
+ var face = constraints.video.facingMode;
|
|
|
+ face = face && ((typeof face === 'undefined' ? 'undefined' : _typeof(face)) === 'object' ? face : { ideal: face });
|
|
|
+ var getSupportedFacingModeLies = browserDetails.version < 66;
|
|
|
+
|
|
|
+ if (face && (face.exact === 'user' || face.exact === 'environment' || face.ideal === 'user' || face.ideal === 'environment') && !(navigator.mediaDevices.getSupportedConstraints && navigator.mediaDevices.getSupportedConstraints().facingMode && !getSupportedFacingModeLies)) {
|
|
|
+ delete constraints.video.facingMode;
|
|
|
+ var matches = void 0;
|
|
|
+ if (face.exact === 'environment' || face.ideal === 'environment') {
|
|
|
+ matches = ['back', 'rear'];
|
|
|
+ } else if (face.exact === 'user' || face.ideal === 'user') {
|
|
|
+ matches = ['front'];
|
|
|
+ }
|
|
|
+ if (matches) {
|
|
|
+ // Look for matches in label, or use last cam for back (typical).
|
|
|
+ return navigator.mediaDevices.enumerateDevices().then(function (devices) {
|
|
|
+ devices = devices.filter(function (d) {
|
|
|
+ return d.kind === 'videoinput';
|
|
|
+ });
|
|
|
+ var dev = devices.find(function (d) {
|
|
|
+ return matches.some(function (match) {
|
|
|
+ return d.label.toLowerCase().includes(match);
|
|
|
+ });
|
|
|
+ });
|
|
|
+ if (!dev && devices.length && matches.includes('back')) {
|
|
|
+ dev = devices[devices.length - 1]; // more likely the back cam
|
|
|
+ }
|
|
|
+ if (dev) {
|
|
|
+ constraints.video.deviceId = face.exact ? { exact: dev.deviceId } : { ideal: dev.deviceId };
|
|
|
+ }
|
|
|
+ constraints.video = constraintsToChrome_(constraints.video);
|
|
|
+ logging('chrome: ' + JSON.stringify(constraints));
|
|
|
+ return func(constraints);
|
|
|
+ });
|
|
|
+ }
|
|
|
+ }
|
|
|
+ constraints.video = constraintsToChrome_(constraints.video);
|
|
|
+ }
|
|
|
+ logging('chrome: ' + JSON.stringify(constraints));
|
|
|
+ return func(constraints);
|
|
|
+ };
|
|
|
+
|
|
|
+ var shimError_ = function shimError_(e) {
|
|
|
+ if (browserDetails.version >= 64) {
|
|
|
+ return e;
|
|
|
+ }
|
|
|
+ return {
|
|
|
+ name: {
|
|
|
+ PermissionDeniedError: 'NotAllowedError',
|
|
|
+ PermissionDismissedError: 'NotAllowedError',
|
|
|
+ InvalidStateError: 'NotAllowedError',
|
|
|
+ DevicesNotFoundError: 'NotFoundError',
|
|
|
+ ConstraintNotSatisfiedError: 'OverconstrainedError',
|
|
|
+ TrackStartError: 'NotReadableError',
|
|
|
+ MediaDeviceFailedDueToShutdown: 'NotAllowedError',
|
|
|
+ MediaDeviceKillSwitchOn: 'NotAllowedError',
|
|
|
+ TabCaptureError: 'AbortError',
|
|
|
+ ScreenCaptureError: 'AbortError',
|
|
|
+ DeviceCaptureError: 'AbortError'
|
|
|
+ }[e.name] || e.name,
|
|
|
+ message: e.message,
|
|
|
+ constraint: e.constraint || e.constraintName,
|
|
|
+ toString: function toString() {
|
|
|
+ return this.name + (this.message && ': ') + this.message;
|
|
|
+ }
|
|
|
+ };
|
|
|
+ };
|
|
|
+
|
|
|
+ var getUserMedia_ = function getUserMedia_(constraints, onSuccess, onError) {
|
|
|
+ shimConstraints_(constraints, function (c) {
|
|
|
+ navigator.webkitGetUserMedia(c, onSuccess, function (e) {
|
|
|
+ if (onError) {
|
|
|
+ onError(shimError_(e));
|
|
|
+ }
|
|
|
+ });
|
|
|
+ });
|
|
|
+ };
|
|
|
+ navigator.getUserMedia = getUserMedia_.bind(navigator);
|
|
|
+
|
|
|
+ // Even though Chrome 45 has navigator.mediaDevices and a getUserMedia
|
|
|
+ // function which returns a Promise, it does not accept spec-style
|
|
|
+ // constraints.
|
|
|
+ var origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);
|
|
|
+ navigator.mediaDevices.getUserMedia = function (cs) {
|
|
|
+ return shimConstraints_(cs, function (c) {
|
|
|
+ return origGetUserMedia(c).then(function (stream) {
|
|
|
+ if (c.audio && !stream.getAudioTracks().length || c.video && !stream.getVideoTracks().length) {
|
|
|
+ stream.getTracks().forEach(function (track) {
|
|
|
+ track.stop();
|
|
|
+ });
|
|
|
+ throw new DOMException('', 'NotFoundError');
|
|
|
+ }
|
|
|
+ return stream;
|
|
|
+ }, function (e) {
|
|
|
+ return Promise.reject(shimError_(e));
|
|
|
+ });
|
|
|
+ });
|
|
|
+ };
|
|
|
+}
|
|
|
+
|
|
|
+},{"../utils.js":15}],6:[function(require,module,exports){
|
|
|
+/*
|
|
|
+ * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
|
|
|
+ *
|
|
|
+ * Use of this source code is governed by a BSD-style license
|
|
|
+ * that can be found in the LICENSE file in the root of the source
|
|
|
+ * tree.
|
|
|
+ */
|
|
|
+/* eslint-env node */
|
|
|
+'use strict';
|
|
|
+
|
|
|
+Object.defineProperty(exports, "__esModule", {
|
|
|
+ value: true
|
|
|
+});
|
|
|
+
|
|
|
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
|
|
|
+
|
|
|
+exports.shimRTCIceCandidate = shimRTCIceCandidate;
|
|
|
+exports.shimMaxMessageSize = shimMaxMessageSize;
|
|
|
+exports.shimSendThrowTypeError = shimSendThrowTypeError;
|
|
|
+exports.shimConnectionState = shimConnectionState;
|
|
|
+exports.removeAllowExtmapMixed = removeAllowExtmapMixed;
|
|
|
+
|
|
|
+var _sdp = require('sdp');
|
|
|
+
|
|
|
+var _sdp2 = _interopRequireDefault(_sdp);
|
|
|
+
|
|
|
+var _utils = require('./utils');
|
|
|
+
|
|
|
+var utils = _interopRequireWildcard(_utils);
|
|
|
+
|
|
|
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
|
|
|
+
|
|
|
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
|
|
|
+
|
|
|
+function shimRTCIceCandidate(window) {
|
|
|
+ // foundation is arbitrarily chosen as an indicator for full support for
|
|
|
+ // https://w3c.github.io/webrtc-pc/#rtcicecandidate-interface
|
|
|
+ if (!window.RTCIceCandidate || window.RTCIceCandidate && 'foundation' in window.RTCIceCandidate.prototype) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ var NativeRTCIceCandidate = window.RTCIceCandidate;
|
|
|
+ window.RTCIceCandidate = function (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 () {
|
|
|
+ return {
|
|
|
+ candidate: augmentedCandidate.candidate,
|
|
|
+ sdpMid: augmentedCandidate.sdpMid,
|
|
|
+ sdpMLineIndex: augmentedCandidate.sdpMLineIndex,
|
|
|
+ usernameFragment: augmentedCandidate.usernameFragment
|
|
|
+ };
|
|
|
+ };
|
|
|
+ return augmentedCandidate;
|
|
|
+ }
|
|
|
+ return new NativeRTCIceCandidate(args);
|
|
|
+ };
|
|
|
+ window.RTCIceCandidate.prototype = NativeRTCIceCandidate.prototype;
|
|
|
+
|
|
|
+ // Hook up the augmented candidate in onicecandidate and
|
|
|
+ // addEventListener('icecandidate', ...)
|
|
|
+ utils.wrapPeerConnectionEvent(window, 'icecandidate', function (e) {
|
|
|
+ if (e.candidate) {
|
|
|
+ Object.defineProperty(e, 'candidate', {
|
|
|
+ value: new window.RTCIceCandidate(e.candidate),
|
|
|
+ writable: 'false'
|
|
|
+ });
|
|
|
+ }
|
|
|
+ return e;
|
|
|
+ });
|
|
|
+}
|
|
|
+
|
|
|
+function shimMaxMessageSize(window) {
|
|
|
+ if (window.RTCSctpTransport || !window.RTCPeerConnection) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ var browserDetails = utils.detectBrowser(window);
|
|
|
+
|
|
|
+ if (!('sctp' in window.RTCPeerConnection.prototype)) {
|
|
|
+ Object.defineProperty(window.RTCPeerConnection.prototype, 'sctp', {
|
|
|
+ get: function get() {
|
|
|
+ return typeof this._sctp === 'undefined' ? null : this._sctp;
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ var sctpInDescription = function sctpInDescription(description) {
|
|
|
+ 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 () {
|
|
|
+ this._sctp = null;
|
|
|
+
|
|
|
+ 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 () {
|
|
|
+ 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 () {
|
|
|
+ var dataChannel = origCreateDataChannel.apply(this, arguments);
|
|
|
+ wrapDcSend(dataChannel, this);
|
|
|
+ return dataChannel;
|
|
|
+ };
|
|
|
+ utils.wrapPeerConnectionEvent(window, 'datachannel', function (e) {
|
|
|
+ wrapDcSend(e.channel, e.target);
|
|
|
+ return e;
|
|
|
+ });
|
|
|
+}
|
|
|
+
|
|
|
+/* shims RTCConnectionState by pretending it is the same as iceConnectionState.
|
|
|
+ * See https://bugs.chromium.org/p/webrtc/issues/detail?id=6145#c12
|
|
|
+ * for why this is a valid hack in Chrome. In Firefox it is slightly incorrect
|
|
|
+ * since DTLS failures would be hidden. See
|
|
|
+ * https://bugzilla.mozilla.org/show_bug.cgi?id=1265827
|
|
|
+ * for the Firefox tracking bug.
|
|
|
+ */
|
|
|
+function shimConnectionState(window) {
|
|
|
+ if (!window.RTCPeerConnection || 'connectionState' in window.RTCPeerConnection.prototype) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ var proto = window.RTCPeerConnection.prototype;
|
|
|
+ Object.defineProperty(proto, 'connectionState', {
|
|
|
+ get: function get() {
|
|
|
+ return {
|
|
|
+ completed: 'connected',
|
|
|
+ checking: 'connecting'
|
|
|
+ }[this.iceConnectionState] || this.iceConnectionState;
|
|
|
+ },
|
|
|
+
|
|
|
+ enumerable: true,
|
|
|
+ configurable: true
|
|
|
+ });
|
|
|
+ Object.defineProperty(proto, 'onconnectionstatechange', {
|
|
|
+ get: function get() {
|
|
|
+ return this._onconnectionstatechange || null;
|
|
|
+ },
|
|
|
+ set: function set(cb) {
|
|
|
+ if (this._onconnectionstatechange) {
|
|
|
+ this.removeEventListener('connectionstatechange', this._onconnectionstatechange);
|
|
|
+ delete this._onconnectionstatechange;
|
|
|
+ }
|
|
|
+ if (cb) {
|
|
|
+ this.addEventListener('connectionstatechange', this._onconnectionstatechange = cb);
|
|
|
+ }
|
|
|
+ },
|
|
|
+
|
|
|
+ enumerable: true,
|
|
|
+ configurable: true
|
|
|
+ });
|
|
|
+
|
|
|
+ ['setLocalDescription', 'setRemoteDescription'].forEach(function (method) {
|
|
|
+ var origMethod = proto[method];
|
|
|
+ proto[method] = function () {
|
|
|
+ if (!this._connectionstatechangepoly) {
|
|
|
+ this._connectionstatechangepoly = function (e) {
|
|
|
+ var pc = e.target;
|
|
|
+ if (pc._lastConnectionState !== pc.connectionState) {
|
|
|
+ pc._lastConnectionState = pc.connectionState;
|
|
|
+ var newEvent = new Event('connectionstatechange', e);
|
|
|
+ pc.dispatchEvent(newEvent);
|
|
|
+ }
|
|
|
+ return e;
|
|
|
+ };
|
|
|
+ this.addEventListener('iceconnectionstatechange', this._connectionstatechangepoly);
|
|
|
+ }
|
|
|
+ return origMethod.apply(this, arguments);
|
|
|
+ };
|
|
|
+ });
|
|
|
+}
|
|
|
+
|
|
|
+function removeAllowExtmapMixed(window) {
|
|
|
+ /* remove a=extmap-allow-mixed for Chrome < M71 */
|
|
|
+ if (!window.RTCPeerConnection) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ var browserDetails = utils.detectBrowser(window);
|
|
|
+ if (browserDetails.browser === 'chrome' && browserDetails.version >= 71) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ var nativeSRD = window.RTCPeerConnection.prototype.setRemoteDescription;
|
|
|
+ window.RTCPeerConnection.prototype.setRemoteDescription = function (desc) {
|
|
|
+ if (desc && desc.sdp && desc.sdp.indexOf('\na=extmap-allow-mixed') !== -1) {
|
|
|
+ desc.sdp = desc.sdp.split('\n').filter(function (line) {
|
|
|
+ return line.trim() !== 'a=extmap-allow-mixed';
|
|
|
+ }).join('\n');
|
|
|
+ }
|
|
|
+ return nativeSRD.apply(this, arguments);
|
|
|
+ };
|
|
|
+}
|
|
|
+
|
|
|
+},{"./utils":15,"sdp":17}],7:[function(require,module,exports){
|
|
|
+/*
|
|
|
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
|
|
|
+ *
|
|
|
+ * Use of this source code is governed by a BSD-style license
|
|
|
+ * that can be found in the LICENSE file in the root of the source
|
|
|
+ * tree.
|
|
|
+ */
|
|
|
+/* eslint-env node */
|
|
|
+'use strict';
|
|
|
+
|
|
|
+Object.defineProperty(exports, "__esModule", {
|
|
|
+ value: true
|
|
|
+});
|
|
|
+exports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined;
|
|
|
+
|
|
|
+var _getusermedia = require('./getusermedia');
|
|
|
+
|
|
|
+Object.defineProperty(exports, 'shimGetUserMedia', {
|
|
|
+ enumerable: true,
|
|
|
+ get: function get() {
|
|
|
+ return _getusermedia.shimGetUserMedia;
|
|
|
+ }
|
|
|
+});
|
|
|
+
|
|
|
+var _getdisplaymedia = require('./getdisplaymedia');
|
|
|
+
|
|
|
+Object.defineProperty(exports, 'shimGetDisplayMedia', {
|
|
|
+ enumerable: true,
|
|
|
+ get: function get() {
|
|
|
+ return _getdisplaymedia.shimGetDisplayMedia;
|
|
|
+ }
|
|
|
+});
|
|
|
+exports.shimPeerConnection = shimPeerConnection;
|
|
|
+exports.shimReplaceTrack = shimReplaceTrack;
|
|
|
+
|
|
|
+var _utils = require('../utils');
|
|
|
+
|
|
|
+var utils = _interopRequireWildcard(_utils);
|
|
|
+
|
|
|
+var _filtericeservers = require('./filtericeservers');
|
|
|
+
|
|
|
+var _rtcpeerconnectionShim = require('rtcpeerconnection-shim');
|
|
|
+
|
|
|
+var _rtcpeerconnectionShim2 = _interopRequireDefault(_rtcpeerconnectionShim);
|
|
|
+
|
|
|
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
|
|
|
+
|
|
|
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
|
|
|
+
|
|
|
+function shimPeerConnection(window) {
|
|
|
+ var browserDetails = utils.detectBrowser(window);
|
|
|
+
|
|
|
+ if (window.RTCIceGatherer) {
|
|
|
+ if (!window.RTCIceCandidate) {
|
|
|
+ window.RTCIceCandidate = function (args) {
|
|
|
+ return args;
|
|
|
+ };
|
|
|
+ }
|
|
|
+ if (!window.RTCSessionDescription) {
|
|
|
+ window.RTCSessionDescription = function (args) {
|
|
|
+ return args;
|
|
|
+ };
|
|
|
+ }
|
|
|
+ // this adds an additional event listener to MediaStrackTrack that signals
|
|
|
+ // when a tracks enabled property was changed. Workaround for a bug in
|
|
|
+ // addStream, see below. No longer required in 15025+
|
|
|
+ if (browserDetails.version < 15025) {
|
|
|
+ var origMSTEnabled = Object.getOwnPropertyDescriptor(window.MediaStreamTrack.prototype, 'enabled');
|
|
|
+ Object.defineProperty(window.MediaStreamTrack.prototype, 'enabled', {
|
|
|
+ set: function set(value) {
|
|
|
+ origMSTEnabled.set.call(this, value);
|
|
|
+ var ev = new Event('enabled');
|
|
|
+ ev.enabled = value;
|
|
|
+ this.dispatchEvent(ev);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // ORTC defines the DTMF sender a bit different.
|
|
|
+ // https://github.com/w3c/ortc/issues/714
|
|
|
+ if (window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) {
|
|
|
+ Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {
|
|
|
+ get: function get() {
|
|
|
+ if (this._dtmf === undefined) {
|
|
|
+ if (this.track.kind === 'audio') {
|
|
|
+ this._dtmf = new window.RTCDtmfSender(this);
|
|
|
+ } else if (this.track.kind === 'video') {
|
|
|
+ this._dtmf = null;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return this._dtmf;
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+ // Edge currently only implements the RTCDtmfSender, not the
|
|
|
+ // RTCDTMFSender alias. See http://draft.ortc.org/#rtcdtmfsender2*
|
|
|
+ if (window.RTCDtmfSender && !window.RTCDTMFSender) {
|
|
|
+ window.RTCDTMFSender = window.RTCDtmfSender;
|
|
|
+ }
|
|
|
+
|
|
|
+ var RTCPeerConnectionShim = (0, _rtcpeerconnectionShim2.default)(window, browserDetails.version);
|
|
|
+ window.RTCPeerConnection = function (config) {
|
|
|
+ if (config && config.iceServers) {
|
|
|
+ config.iceServers = (0, _filtericeservers.filterIceServers)(config.iceServers, browserDetails.version);
|
|
|
+ utils.log('ICE servers after filtering:', config.iceServers);
|
|
|
+ }
|
|
|
+ return new RTCPeerConnectionShim(config);
|
|
|
+ };
|
|
|
+ window.RTCPeerConnection.prototype = RTCPeerConnectionShim.prototype;
|
|
|
+}
|
|
|
+
|
|
|
+function shimReplaceTrack(window) {
|
|
|
+ // ORTC has replaceTrack -- https://github.com/w3c/ortc/issues/614
|
|
|
+ if (window.RTCRtpSender && !('replaceTrack' in window.RTCRtpSender.prototype)) {
|
|
|
+ window.RTCRtpSender.prototype.replaceTrack = window.RTCRtpSender.prototype.setTrack;
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+},{"../utils":15,"./filtericeservers":8,"./getdisplaymedia":9,"./getusermedia":10,"rtcpeerconnection-shim":16}],8:[function(require,module,exports){
|
|
|
+/*
|
|
|
+ * Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
|
|
|
+ *
|
|
|
+ * Use of this source code is governed by a BSD-style license
|
|
|
+ * that can be found in the LICENSE file in the root of the source
|
|
|
+ * tree.
|
|
|
+ */
|
|
|
+/* eslint-env node */
|
|
|
+'use strict';
|
|
|
+
|
|
|
+Object.defineProperty(exports, "__esModule", {
|
|
|
+ value: true
|
|
|
+});
|
|
|
+exports.filterIceServers = filterIceServers;
|
|
|
+
|
|
|
+var _utils = require('../utils');
|
|
|
+
|
|
|
+var utils = _interopRequireWildcard(_utils);
|
|
|
+
|
|
|
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
|
|
|
+
|
|
|
+// Edge does not like
|
|
|
+// 1) stun: filtered after 14393 unless ?transport=udp is present
|
|
|
+// 2) turn: that does not have all of turn:host:port?transport=udp
|
|
|
+// 3) turn: with ipv6 addresses
|
|
|
+// 4) turn: occurring muliple times
|
|
|
+function filterIceServers(iceServers, edgeVersion) {
|
|
|
+ var hasTurn = false;
|
|
|
+ iceServers = JSON.parse(JSON.stringify(iceServers));
|
|
|
+ return iceServers.filter(function (server) {
|
|
|
+ if (server && (server.urls || server.url)) {
|
|
|
+ var urls = server.urls || server.url;
|
|
|
+ if (server.url && !server.urls) {
|
|
|
+ utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');
|
|
|
+ }
|
|
|
+ var isString = typeof urls === 'string';
|
|
|
+ if (isString) {
|
|
|
+ urls = [urls];
|
|
|
+ }
|
|
|
+ urls = urls.filter(function (url) {
|
|
|
+ // filter STUN unconditionally.
|
|
|
+ if (url.indexOf('stun:') === 0) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ var validTurn = url.startsWith('turn') && !url.startsWith('turn:[') && url.includes('transport=udp');
|
|
|
+ if (validTurn && !hasTurn) {
|
|
|
+ hasTurn = true;
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ return validTurn && !hasTurn;
|
|
|
+ });
|
|
|
+
|
|
|
+ delete server.url;
|
|
|
+ server.urls = isString ? urls[0] : urls;
|
|
|
+ return !!urls.length;
|
|
|
+ }
|
|
|
+ });
|
|
|
+}
|
|
|
+
|
|
|
+},{"../utils":15}],9:[function(require,module,exports){
|
|
|
+/*
|
|
|
+ * Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.
|
|
|
+ *
|
|
|
+ * Use of this source code is governed by a BSD-style license
|
|
|
+ * that can be found in the LICENSE file in the root of the source
|
|
|
+ * tree.
|
|
|
+ */
|
|
|
+/* eslint-env node */
|
|
|
+'use strict';
|
|
|
+
|
|
|
+Object.defineProperty(exports, "__esModule", {
|
|
|
+ value: true
|
|
|
+});
|
|
|
+exports.shimGetDisplayMedia = shimGetDisplayMedia;
|
|
|
+function shimGetDisplayMedia(window) {
|
|
|
+ if (!('getDisplayMedia' in window.navigator)) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ if (!window.navigator.mediaDevices) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ window.navigator.mediaDevices.getDisplayMedia = window.navigator.getDisplayMedia.bind(window.navigator);
|
|
|
+}
|
|
|
+
|
|
|
+},{}],10:[function(require,module,exports){
|
|
|
+/*
|
|
|
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
|
|
|
+ *
|
|
|
+ * Use of this source code is governed by a BSD-style license
|
|
|
+ * that can be found in the LICENSE file in the root of the source
|
|
|
+ * tree.
|
|
|
+ */
|
|
|
+/* eslint-env node */
|
|
|
+'use strict';
|
|
|
+
|
|
|
+Object.defineProperty(exports, "__esModule", {
|
|
|
+ value: true
|
|
|
+});
|
|
|
+exports.shimGetUserMedia = shimGetUserMedia;
|
|
|
+function shimGetUserMedia(window) {
|
|
|
+ var navigator = window && window.navigator;
|
|
|
+
|
|
|
+ var shimError_ = function shimError_(e) {
|
|
|
+ return {
|
|
|
+ name: { PermissionDeniedError: 'NotAllowedError' }[e.name] || e.name,
|
|
|
+ message: e.message,
|
|
|
+ constraint: e.constraint,
|
|
|
+ toString: function toString() {
|
|
|
+ return this.name;
|
|
|
+ }
|
|
|
+ };
|
|
|
+ };
|
|
|
+
|
|
|
+ // getUserMedia error shim.
|
|
|
+ var origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);
|
|
|
+ navigator.mediaDevices.getUserMedia = function (c) {
|
|
|
+ return origGetUserMedia(c).catch(function (e) {
|
|
|
+ return Promise.reject(shimError_(e));
|
|
|
+ });
|
|
|
+ };
|
|
|
+}
|
|
|
+
|
|
|
+},{}],11:[function(require,module,exports){
|
|
|
+/*
|
|
|
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
|
|
|
+ *
|
|
|
+ * Use of this source code is governed by a BSD-style license
|
|
|
+ * that can be found in the LICENSE file in the root of the source
|
|
|
+ * tree.
|
|
|
+ */
|
|
|
+/* eslint-env node */
|
|
|
+'use strict';
|
|
|
+
|
|
|
+Object.defineProperty(exports, "__esModule", {
|
|
|
+ value: true
|
|
|
+});
|
|
|
+exports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined;
|
|
|
+
|
|
|
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
|
|
|
+
|
|
|
+var _getusermedia = require('./getusermedia');
|
|
|
+
|
|
|
+Object.defineProperty(exports, 'shimGetUserMedia', {
|
|
|
+ enumerable: true,
|
|
|
+ get: function get() {
|
|
|
+ return _getusermedia.shimGetUserMedia;
|
|
|
+ }
|
|
|
+});
|
|
|
+
|
|
|
+var _getdisplaymedia = require('./getdisplaymedia');
|
|
|
+
|
|
|
+Object.defineProperty(exports, 'shimGetDisplayMedia', {
|
|
|
+ enumerable: true,
|
|
|
+ get: function get() {
|
|
|
+ return _getdisplaymedia.shimGetDisplayMedia;
|
|
|
+ }
|
|
|
+});
|
|
|
+exports.shimOnTrack = shimOnTrack;
|
|
|
+exports.shimPeerConnection = shimPeerConnection;
|
|
|
+exports.shimSenderGetStats = shimSenderGetStats;
|
|
|
+exports.shimReceiverGetStats = shimReceiverGetStats;
|
|
|
+exports.shimRemoveStream = shimRemoveStream;
|
|
|
+exports.shimRTCDataChannel = shimRTCDataChannel;
|
|
|
+
|
|
|
+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 shimOnTrack(window) {
|
|
|
+ if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCTrackEvent && 'receiver' in window.RTCTrackEvent.prototype && !('transceiver' in window.RTCTrackEvent.prototype)) {
|
|
|
+ Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
|
|
|
+ get: function get() {
|
|
|
+ return { receiver: this.receiver };
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+function shimPeerConnection(window) {
|
|
|
+ var browserDetails = utils.detectBrowser(window);
|
|
|
+
|
|
|
+ if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !(window.RTCPeerConnection || window.mozRTCPeerConnection)) {
|
|
|
+ return; // probably media.peerconnection.enabled=false in about:config
|
|
|
+ }
|
|
|
+ if (!window.RTCPeerConnection && window.mozRTCPeerConnection) {
|
|
|
+ // very basic support for old versions.
|
|
|
+ window.RTCPeerConnection = window.mozRTCPeerConnection;
|
|
|
+ }
|
|
|
+
|
|
|
+ // shim away need for obsolete RTCIceCandidate/RTCSessionDescription.
|
|
|
+ ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'].forEach(function (method) {
|
|
|
+ var nativeMethod = window.RTCPeerConnection.prototype[method];
|
|
|
+ window.RTCPeerConnection.prototype[method] = function () {
|
|
|
+ arguments[0] = new (method === 'addIceCandidate' ? window.RTCIceCandidate : window.RTCSessionDescription)(arguments[0]);
|
|
|
+ return nativeMethod.apply(this, arguments);
|
|
|
+ };
|
|
|
+ });
|
|
|
+
|
|
|
+ // support for addIceCandidate(null or undefined)
|
|
|
+ var nativeAddIceCandidate = window.RTCPeerConnection.prototype.addIceCandidate;
|
|
|
+ window.RTCPeerConnection.prototype.addIceCandidate = function () {
|
|
|
+ if (!arguments[0]) {
|
|
|
+ if (arguments[1]) {
|
|
|
+ arguments[1].apply(null);
|
|
|
+ }
|
|
|
+ return Promise.resolve();
|
|
|
+ }
|
|
|
+ return nativeAddIceCandidate.apply(this, arguments);
|
|
|
+ };
|
|
|
+
|
|
|
+ var modernStatsTypes = {
|
|
|
+ inboundrtp: 'inbound-rtp',
|
|
|
+ outboundrtp: 'outbound-rtp',
|
|
|
+ candidatepair: 'candidate-pair',
|
|
|
+ localcandidate: 'local-candidate',
|
|
|
+ remotecandidate: 'remote-candidate'
|
|
|
+ };
|
|
|
+
|
|
|
+ var nativeGetStats = window.RTCPeerConnection.prototype.getStats;
|
|
|
+ window.RTCPeerConnection.prototype.getStats = function (selector, onSucc, onErr) {
|
|
|
+ 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 () {
|
|
|
+ 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 () {
|
|
|
+ var sender = origAddTrack.apply(this, arguments);
|
|
|
+ sender._pc = this;
|
|
|
+ return sender;
|
|
|
+ };
|
|
|
+ }
|
|
|
+ window.RTCRtpSender.prototype.getStats = function () {
|
|
|
+ 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 () {
|
|
|
+ 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 () {
|
|
|
+ return this._pc.getStats(this.track);
|
|
|
+ };
|
|
|
+}
|
|
|
+
|
|
|
+function shimRemoveStream(window) {
|
|
|
+ if (!window.RTCPeerConnection || 'removeStream' in window.RTCPeerConnection.prototype) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ window.RTCPeerConnection.prototype.removeStream = function (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;
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+},{"../utils":15,"./getdisplaymedia":12,"./getusermedia":13}],12:[function(require,module,exports){
|
|
|
+/*
|
|
|
+ * Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.
|
|
|
+ *
|
|
|
+ * Use of this source code is governed by a BSD-style license
|
|
|
+ * that can be found in the LICENSE file in the root of the source
|
|
|
+ * tree.
|
|
|
+ */
|
|
|
+/* eslint-env node */
|
|
|
+'use strict';
|
|
|
+
|
|
|
+Object.defineProperty(exports, "__esModule", {
|
|
|
+ value: true
|
|
|
+});
|
|
|
+exports.shimGetDisplayMedia = shimGetDisplayMedia;
|
|
|
+function shimGetDisplayMedia(window, preferredMediaSource) {
|
|
|
+ if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ if (!window.navigator.mediaDevices) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ window.navigator.mediaDevices.getDisplayMedia = function (constraints) {
|
|
|
+ if (!(constraints && constraints.video)) {
|
|
|
+ var err = new DOMException('getDisplayMedia without video ' + 'constraints is undefined');
|
|
|
+ err.name = 'NotFoundError';
|
|
|
+ // from https://heycam.github.io/webidl/#idl-DOMException-error-names
|
|
|
+ err.code = 8;
|
|
|
+ return Promise.reject(err);
|
|
|
+ }
|
|
|
+ if (constraints.video === true) {
|
|
|
+ constraints.video = { mediaSource: preferredMediaSource };
|
|
|
+ } else {
|
|
|
+ constraints.video.mediaSource = preferredMediaSource;
|
|
|
+ }
|
|
|
+ return window.navigator.mediaDevices.getUserMedia(constraints);
|
|
|
+ };
|
|
|
+}
|
|
|
+
|
|
|
+},{}],13:[function(require,module,exports){
|
|
|
+/*
|
|
|
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
|
|
|
+ *
|
|
|
+ * Use of this source code is governed by a BSD-style license
|
|
|
+ * that can be found in the LICENSE file in the root of the source
|
|
|
+ * tree.
|
|
|
+ */
|
|
|
+/* eslint-env node */
|
|
|
+'use strict';
|
|
|
+
|
|
|
+Object.defineProperty(exports, "__esModule", {
|
|
|
+ value: true
|
|
|
+});
|
|
|
+
|
|
|
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
|
|
|
+
|
|
|
+exports.shimGetUserMedia = shimGetUserMedia;
|
|
|
+
|
|
|
+var _utils = require('../utils');
|
|
|
+
|
|
|
+var utils = _interopRequireWildcard(_utils);
|
|
|
+
|
|
|
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
|
|
|
+
|
|
|
+function shimGetUserMedia(window) {
|
|
|
+ var browserDetails = utils.detectBrowser(window);
|
|
|
+ var navigator = window && window.navigator;
|
|
|
+ var MediaStreamTrack = window && window.MediaStreamTrack;
|
|
|
+
|
|
|
+ navigator.getUserMedia = function (constraints, onSuccess, onError) {
|
|
|
+ // Replace Firefox 44+'s deprecation warning with unprefixed version.
|
|
|
+ utils.deprecated('navigator.getUserMedia', 'navigator.mediaDevices.getUserMedia');
|
|
|
+ navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);
|
|
|
+ };
|
|
|
+
|
|
|
+ if (!(browserDetails.version > 55 && 'autoGainControl' in navigator.mediaDevices.getSupportedConstraints())) {
|
|
|
+ var remap = function remap(obj, a, b) {
|
|
|
+ if (a in obj && !(b in obj)) {
|
|
|
+ obj[b] = obj[a];
|
|
|
+ delete obj[a];
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ var nativeGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);
|
|
|
+ navigator.mediaDevices.getUserMedia = function (c) {
|
|
|
+ if ((typeof c === 'undefined' ? 'undefined' : _typeof(c)) === 'object' && _typeof(c.audio) === 'object') {
|
|
|
+ c = JSON.parse(JSON.stringify(c));
|
|
|
+ remap(c.audio, 'autoGainControl', 'mozAutoGainControl');
|
|
|
+ remap(c.audio, 'noiseSuppression', 'mozNoiseSuppression');
|
|
|
+ }
|
|
|
+ return nativeGetUserMedia(c);
|
|
|
+ };
|
|
|
+
|
|
|
+ if (MediaStreamTrack && MediaStreamTrack.prototype.getSettings) {
|
|
|
+ var nativeGetSettings = MediaStreamTrack.prototype.getSettings;
|
|
|
+ MediaStreamTrack.prototype.getSettings = function () {
|
|
|
+ var obj = nativeGetSettings.apply(this, arguments);
|
|
|
+ remap(obj, 'mozAutoGainControl', 'autoGainControl');
|
|
|
+ remap(obj, 'mozNoiseSuppression', 'noiseSuppression');
|
|
|
+ return obj;
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+ if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) {
|
|
|
+ var nativeApplyConstraints = MediaStreamTrack.prototype.applyConstraints;
|
|
|
+ MediaStreamTrack.prototype.applyConstraints = function (c) {
|
|
|
+ if (this.kind === 'audio' && (typeof c === 'undefined' ? 'undefined' : _typeof(c)) === 'object') {
|
|
|
+ c = JSON.parse(JSON.stringify(c));
|
|
|
+ remap(c, 'autoGainControl', 'mozAutoGainControl');
|
|
|
+ remap(c, 'noiseSuppression', 'mozNoiseSuppression');
|
|
|
+ }
|
|
|
+ return nativeApplyConstraints.apply(this, [c]);
|
|
|
+ };
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+},{"../utils":15}],14:[function(require,module,exports){
|
|
|
+/*
|
|
|
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
|
|
|
+ *
|
|
|
+ * Use of this source code is governed by a BSD-style license
|
|
|
+ * that can be found in the LICENSE file in the root of the source
|
|
|
+ * tree.
|
|
|
+ */
|
|
|
+'use strict';
|
|
|
+
|
|
|
+Object.defineProperty(exports, "__esModule", {
|
|
|
+ value: true
|
|
|
+});
|
|
|
+
|
|
|
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
|
|
|
+
|
|
|
+exports.shimLocalStreamsAPI = shimLocalStreamsAPI;
|
|
|
+exports.shimRemoteStreamsAPI = shimRemoteStreamsAPI;
|
|
|
+exports.shimCallbacksAPI = shimCallbacksAPI;
|
|
|
+exports.shimGetUserMedia = shimGetUserMedia;
|
|
|
+exports.shimConstraints = shimConstraints;
|
|
|
+exports.shimRTCIceServerUrls = shimRTCIceServerUrls;
|
|
|
+exports.shimTrackEventTransceiver = shimTrackEventTransceiver;
|
|
|
+exports.shimCreateOfferLegacy = shimCreateOfferLegacy;
|
|
|
+
|
|
|
+var _utils = require('../utils');
|
|
|
+
|
|
|
+var utils = _interopRequireWildcard(_utils);
|
|
|
+
|
|
|
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
|
|
|
+
|
|
|
+function shimLocalStreamsAPI(window) {
|
|
|
+ if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ if (!('getLocalStreams' in window.RTCPeerConnection.prototype)) {
|
|
|
+ window.RTCPeerConnection.prototype.getLocalStreams = function () {
|
|
|
+ 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 (stream) {
|
|
|
+ var _this = this;
|
|
|
+
|
|
|
+ if (!this._localStreams) {
|
|
|
+ this._localStreams = [];
|
|
|
+ }
|
|
|
+ if (!this._localStreams.includes(stream)) {
|
|
|
+ this._localStreams.push(stream);
|
|
|
+ }
|
|
|
+ stream.getTracks().forEach(function (track) {
|
|
|
+ return _addTrack.call(_this, track, stream);
|
|
|
+ });
|
|
|
+ };
|
|
|
+
|
|
|
+ window.RTCPeerConnection.prototype.addTrack = function (track, stream) {
|
|
|
+ if (stream) {
|
|
|
+ if (!this._localStreams) {
|
|
|
+ this._localStreams = [stream];
|
|
|
+ } else if (!this._localStreams.includes(stream)) {
|
|
|
+ this._localStreams.push(stream);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return _addTrack.call(this, track, stream);
|
|
|
+ };
|
|
|
+ }
|
|
|
+ if (!('removeStream' in window.RTCPeerConnection.prototype)) {
|
|
|
+ window.RTCPeerConnection.prototype.removeStream = function (stream) {
|
|
|
+ var _this2 = this;
|
|
|
+
|
|
|
+ if (!this._localStreams) {
|
|
|
+ this._localStreams = [];
|
|
|
+ }
|
|
|
+ var index = this._localStreams.indexOf(stream);
|
|
|
+ if (index === -1) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ this._localStreams.splice(index, 1);
|
|
|
+ var tracks = stream.getTracks();
|
|
|
+ this.getSenders().forEach(function (sender) {
|
|
|
+ if (tracks.includes(sender.track)) {
|
|
|
+ _this2.removeTrack(sender);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ };
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+function shimRemoteStreamsAPI(window) {
|
|
|
+ if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ if (!('getRemoteStreams' in window.RTCPeerConnection.prototype)) {
|
|
|
+ window.RTCPeerConnection.prototype.getRemoteStreams = function () {
|
|
|
+ return this._remoteStreams ? this._remoteStreams : [];
|
|
|
+ };
|
|
|
+ }
|
|
|
+ if (!('onaddstream' in window.RTCPeerConnection.prototype)) {
|
|
|
+ Object.defineProperty(window.RTCPeerConnection.prototype, 'onaddstream', {
|
|
|
+ get: function get() {
|
|
|
+ return this._onaddstream;
|
|
|
+ },
|
|
|
+ set: function set(f) {
|
|
|
+ var _this3 = this;
|
|
|
+
|
|
|
+ if (this._onaddstream) {
|
|
|
+ this.removeEventListener('addstream', this._onaddstream);
|
|
|
+ this.removeEventListener('track', this._onaddstreampoly);
|
|
|
+ }
|
|
|
+ this.addEventListener('addstream', this._onaddstream = f);
|
|
|
+ this.addEventListener('track', this._onaddstreampoly = function (e) {
|
|
|
+ e.streams.forEach(function (stream) {
|
|
|
+ if (!_this3._remoteStreams) {
|
|
|
+ _this3._remoteStreams = [];
|
|
|
+ }
|
|
|
+ if (_this3._remoteStreams.includes(stream)) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ _this3._remoteStreams.push(stream);
|
|
|
+ var event = new Event('addstream');
|
|
|
+ event.stream = stream;
|
|
|
+ _this3.dispatchEvent(event);
|
|
|
+ });
|
|
|
+ });
|
|
|
+ }
|
|
|
+ });
|
|
|
+ var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;
|
|
|
+ window.RTCPeerConnection.prototype.setRemoteDescription = function () {
|
|
|
+ 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 createOffer = prototype.createOffer;
|
|
|
+ var createAnswer = prototype.createAnswer;
|
|
|
+ var setLocalDescription = prototype.setLocalDescription;
|
|
|
+ var setRemoteDescription = prototype.setRemoteDescription;
|
|
|
+ var addIceCandidate = prototype.addIceCandidate;
|
|
|
+
|
|
|
+ prototype.createOffer = function (successCallback, failureCallback) {
|
|
|
+ var options = arguments.length >= 2 ? arguments[2] : arguments[0];
|
|
|
+ var promise = createOffer.apply(this, [options]);
|
|
|
+ if (!failureCallback) {
|
|
|
+ return promise;
|
|
|
+ }
|
|
|
+ promise.then(successCallback, failureCallback);
|
|
|
+ return Promise.resolve();
|
|
|
+ };
|
|
|
+
|
|
|
+ prototype.createAnswer = function (successCallback, failureCallback) {
|
|
|
+ var options = arguments.length >= 2 ? arguments[2] : arguments[0];
|
|
|
+ var promise = createAnswer.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 (constraints, cb, errcb) {
|
|
|
+ navigator.mediaDevices.getUserMedia(constraints).then(cb, errcb);
|
|
|
+ }.bind(navigator);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+function shimConstraints(constraints) {
|
|
|
+ if (constraints && constraints.video !== undefined) {
|
|
|
+ return Object.assign({}, constraints, { video: utils.compactObject(constraints.video) });
|
|
|
+ }
|
|
|
+
|
|
|
+ return constraints;
|
|
|
+}
|
|
|
+
|
|
|
+function shimRTCIceServerUrls(window) {
|
|
|
+ // migrate from non-spec RTCIceServer.url to RTCIceServer.urls
|
|
|
+ var OrigPeerConnection = window.RTCPeerConnection;
|
|
|
+ window.RTCPeerConnection = function (pcConfig, pcConstraints) {
|
|
|
+ if (pcConfig && pcConfig.iceServers) {
|
|
|
+ var newIceServers = [];
|
|
|
+ for (var i = 0; i < pcConfig.iceServers.length; i++) {
|
|
|
+ var server = pcConfig.iceServers[i];
|
|
|
+ if (!server.hasOwnProperty('urls') && server.hasOwnProperty('url')) {
|
|
|
+ utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');
|
|
|
+ server = JSON.parse(JSON.stringify(server));
|
|
|
+ server.urls = server.url;
|
|
|
+ delete server.url;
|
|
|
+ newIceServers.push(server);
|
|
|
+ } else {
|
|
|
+ newIceServers.push(pcConfig.iceServers[i]);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ pcConfig.iceServers = newIceServers;
|
|
|
+ }
|
|
|
+ return new OrigPeerConnection(pcConfig, pcConstraints);
|
|
|
+ };
|
|
|
+ window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;
|
|
|
+ // wrap static methods. Currently just generateCertificate.
|
|
|
+ if ('generateCertificate' in window.RTCPeerConnection) {
|
|
|
+ Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
|
|
|
+ get: function get() {
|
|
|
+ return OrigPeerConnection.generateCertificate;
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+function shimTrackEventTransceiver(window) {
|
|
|
+ // Add event.transceiver member over deprecated event.receiver
|
|
|
+ if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && 'receiver' in window.RTCTrackEvent.prototype &&
|
|
|
+ // can't check 'transceiver' in window.RTCTrackEvent.prototype, as it is
|
|
|
+ // defined for some reason even when window.RTCTransceiver is not.
|
|
|
+ !window.RTCTransceiver) {
|
|
|
+ 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 (offerOptions) {
|
|
|
+ if (offerOptions) {
|
|
|
+ if (typeof offerOptions.offerToReceiveAudio !== 'undefined') {
|
|
|
+ // support bit values
|
|
|
+ offerOptions.offerToReceiveAudio = !!offerOptions.offerToReceiveAudio;
|
|
|
+ }
|
|
|
+ var audioTransceiver = this.getTransceivers().find(function (transceiver) {
|
|
|
+ return transceiver.sender.track && transceiver.sender.track.kind === 'audio';
|
|
|
+ });
|
|
|
+ if (offerOptions.offerToReceiveAudio === false && audioTransceiver) {
|
|
|
+ if (audioTransceiver.direction === 'sendrecv') {
|
|
|
+ if (audioTransceiver.setDirection) {
|
|
|
+ audioTransceiver.setDirection('sendonly');
|
|
|
+ } else {
|
|
|
+ audioTransceiver.direction = 'sendonly';
|
|
|
+ }
|
|
|
+ } else if (audioTransceiver.direction === 'recvonly') {
|
|
|
+ if (audioTransceiver.setDirection) {
|
|
|
+ audioTransceiver.setDirection('inactive');
|
|
|
+ } else {
|
|
|
+ audioTransceiver.direction = 'inactive';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } else if (offerOptions.offerToReceiveAudio === true && !audioTransceiver) {
|
|
|
+ this.addTransceiver('audio');
|
|
|
+ }
|
|
|
+
|
|
|
+ if (typeof offerOptions.offerToReceiveVideo !== 'undefined') {
|
|
|
+ // support bit values
|
|
|
+ offerOptions.offerToReceiveVideo = !!offerOptions.offerToReceiveVideo;
|
|
|
+ }
|
|
|
+ var videoTransceiver = this.getTransceivers().find(function (transceiver) {
|
|
|
+ return transceiver.sender.track && transceiver.sender.track.kind === 'video';
|
|
|
+ });
|
|
|
+ if (offerOptions.offerToReceiveVideo === false && videoTransceiver) {
|
|
|
+ if (videoTransceiver.direction === 'sendrecv') {
|
|
|
+ if (videoTransceiver.setDirection) {
|
|
|
+ videoTransceiver.setDirection('sendonly');
|
|
|
+ } else {
|
|
|
+ videoTransceiver.direction = 'sendonly';
|
|
|
+ }
|
|
|
+ } else if (videoTransceiver.direction === 'recvonly') {
|
|
|
+ if (videoTransceiver.setDirection) {
|
|
|
+ videoTransceiver.setDirection('inactive');
|
|
|
+ } else {
|
|
|
+ videoTransceiver.direction = 'inactive';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } else if (offerOptions.offerToReceiveVideo === true && !videoTransceiver) {
|
|
|
+ this.addTransceiver('video');
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return origCreateOffer.apply(this, arguments);
|
|
|
+ };
|
|
|
+}
|
|
|
+
|
|
|
+},{"../utils":15}],15:[function(require,module,exports){
|
|
|
+/*
|
|
|
+ * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
|
|
|
+ *
|
|
|
+ * Use of this source code is governed by a BSD-style license
|
|
|
+ * that can be found in the LICENSE file in the root of the source
|
|
|
+ * tree.
|
|
|
+ */
|
|
|
+/* eslint-env node */
|
|
|
+'use strict';
|
|
|
+
|
|
|
+Object.defineProperty(exports, "__esModule", {
|
|
|
+ value: true
|
|
|
+});
|
|
|
+
|
|
|
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
|
|
|
+
|
|
|
+exports.extractVersion = extractVersion;
|
|
|
+exports.wrapPeerConnectionEvent = wrapPeerConnectionEvent;
|
|
|
+exports.disableLog = disableLog;
|
|
|
+exports.disableWarnings = disableWarnings;
|
|
|
+exports.log = log;
|
|
|
+exports.deprecated = deprecated;
|
|
|
+exports.detectBrowser = detectBrowser;
|
|
|
+exports.compactObject = compactObject;
|
|
|
+
|
|
|
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
|
|
|
+
|
|
|
+var logDisabled_ = true;
|
|
|
+var deprecationWarnings_ = true;
|
|
|
+
|
|
|
+/**
|
|
|
+ * Extract browser version out of the provided user agent string.
|
|
|
+ *
|
|
|
+ * @param {!string} uastring userAgent string.
|
|
|
+ * @param {!string} expr Regular expression used as match criteria.
|
|
|
+ * @param {!number} pos position in the version string to be returned.
|
|
|
+ * @return {!number} browser version.
|
|
|
+ */
|
|
|
+function extractVersion(uastring, expr, pos) {
|
|
|
+ var match = uastring.match(expr);
|
|
|
+ return match && match.length >= pos && parseInt(match[pos], 10);
|
|
|
+}
|
|
|
+
|
|
|
+// Wraps the peerconnection event eventNameToWrap in a function
|
|
|
+// which returns the modified event object (or false to prevent
|
|
|
+// the event).
|
|
|
+function wrapPeerConnectionEvent(window, eventNameToWrap, wrapper) {
|
|
|
+ if (!window.RTCPeerConnection) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ var proto = window.RTCPeerConnection.prototype;
|
|
|
+ var nativeAddEventListener = proto.addEventListener;
|
|
|
+ proto.addEventListener = function (nativeEventName, cb) {
|
|
|
+ if (nativeEventName !== eventNameToWrap) {
|
|
|
+ return nativeAddEventListener.apply(this, arguments);
|
|
|
+ }
|
|
|
+ var wrappedCallback = function wrappedCallback(e) {
|
|
|
+ var modifiedEvent = wrapper(e);
|
|
|
+ if (modifiedEvent) {
|
|
|
+ cb(modifiedEvent);
|
|
|
+ }
|
|
|
+ };
|
|
|
+ this._eventMap = this._eventMap || {};
|
|
|
+ this._eventMap[cb] = wrappedCallback;
|
|
|
+ return nativeAddEventListener.apply(this, [nativeEventName, wrappedCallback]);
|
|
|
+ };
|
|
|
+
|
|
|
+ var nativeRemoveEventListener = proto.removeEventListener;
|
|
|
+ proto.removeEventListener = function (nativeEventName, cb) {
|
|
|
+ if (nativeEventName !== eventNameToWrap || !this._eventMap || !this._eventMap[cb]) {
|
|
|
+ return nativeRemoveEventListener.apply(this, arguments);
|
|
|
+ }
|
|
|
+ var unwrappedCb = this._eventMap[cb];
|
|
|
+ delete this._eventMap[cb];
|
|
|
+ return nativeRemoveEventListener.apply(this, [nativeEventName, unwrappedCb]);
|
|
|
+ };
|
|
|
+
|
|
|
+ Object.defineProperty(proto, 'on' + eventNameToWrap, {
|
|
|
+ get: function get() {
|
|
|
+ return this['_on' + eventNameToWrap];
|
|
|
+ },
|
|
|
+ set: function set(cb) {
|
|
|
+ if (this['_on' + eventNameToWrap]) {
|
|
|
+ this.removeEventListener(eventNameToWrap, this['_on' + eventNameToWrap]);
|
|
|
+ delete this['_on' + eventNameToWrap];
|
|
|
+ }
|
|
|
+ if (cb) {
|
|
|
+ this.addEventListener(eventNameToWrap, this['_on' + eventNameToWrap] = cb);
|
|
|
+ }
|
|
|
+ },
|
|
|
+
|
|
|
+ enumerable: true,
|
|
|
+ configurable: true
|
|
|
+ });
|
|
|
+}
|
|
|
+
|
|
|
+function disableLog(bool) {
|
|
|
+ if (typeof bool !== 'boolean') {
|
|
|
+ return new Error('Argument type: ' + (typeof bool === 'undefined' ? 'undefined' : _typeof(bool)) + '. Please use a boolean.');
|
|
|
+ }
|
|
|
+ logDisabled_ = bool;
|
|
|
+ return bool ? 'adapter.js logging disabled' : 'adapter.js logging enabled';
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Disable or enable deprecation warnings
|
|
|
+ * @param {!boolean} bool set to true to disable warnings.
|
|
|
+ */
|
|
|
+function disableWarnings(bool) {
|
|
|
+ if (typeof bool !== 'boolean') {
|
|
|
+ return new Error('Argument type: ' + (typeof bool === 'undefined' ? 'undefined' : _typeof(bool)) + '. Please use a boolean.');
|
|
|
+ }
|
|
|
+ deprecationWarnings_ = !bool;
|
|
|
+ return 'adapter.js deprecation warnings ' + (bool ? 'disabled' : 'enabled');
|
|
|
+}
|
|
|
+
|
|
|
+function log() {
|
|
|
+ if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object') {
|
|
|
+ if (logDisabled_) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ if (typeof console !== 'undefined' && typeof console.log === 'function') {
|
|
|
+ console.log.apply(console, arguments);
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Shows a deprecation warning suggesting the modern and spec-compatible API.
|
|
|
+ */
|
|
|
+function deprecated(oldMethod, newMethod) {
|
|
|
+ if (!deprecationWarnings_) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ console.warn(oldMethod + ' is deprecated, please use ' + newMethod + ' instead.');
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Browser detector.
|
|
|
+ *
|
|
|
+ * @return {object} result containing browser and version
|
|
|
+ * properties.
|
|
|
+ */
|
|
|
+function detectBrowser(window) {
|
|
|
+ var navigator = window.navigator;
|
|
|
+
|
|
|
+ // Returned result object.
|
|
|
+
|
|
|
+ var result = { browser: null, version: null };
|
|
|
+
|
|
|
+ // Fail early if it's not a browser
|
|
|
+ if (typeof window === 'undefined' || !window.navigator) {
|
|
|
+ result.browser = 'Not a browser.';
|
|
|
+ return result;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (navigator.mozGetUserMedia) {
|
|
|
+ // Firefox.
|
|
|
+ result.browser = 'firefox';
|
|
|
+ result.version = extractVersion(navigator.userAgent, /Firefox\/(\d+)\./, 1);
|
|
|
+ } else if (navigator.webkitGetUserMedia) {
|
|
|
+ // Chrome, Chromium, Webview, Opera.
|
|
|
+ // Version matches Chrome/WebRTC version.
|
|
|
+ result.browser = 'chrome';
|
|
|
+ result.version = extractVersion(navigator.userAgent, /Chrom(e|ium)\/(\d+)\./, 2);
|
|
|
+ } else if (navigator.mediaDevices && navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)) {
|
|
|
+ // Edge.
|
|
|
+ result.browser = 'edge';
|
|
|
+ result.version = extractVersion(navigator.userAgent, /Edge\/(\d+).(\d+)$/, 2);
|
|
|
+ } else if (window.RTCPeerConnection && navigator.userAgent.match(/AppleWebKit\/(\d+)\./)) {
|
|
|
+ // Safari.
|
|
|
+ result.browser = 'safari';
|
|
|
+ result.version = extractVersion(navigator.userAgent, /AppleWebKit\/(\d+)\./, 1);
|
|
|
+ } else {
|
|
|
+ // Default fallthrough: not supported.
|
|
|
+ result.browser = 'Not a supported browser.';
|
|
|
+ return result;
|
|
|
+ }
|
|
|
+
|
|
|
+ return result;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Remove all empty objects and undefined values
|
|
|
+ * from a nested object -- an enhanced and vanilla version
|
|
|
+ * of Lodash's `compact`.
|
|
|
+ */
|
|
|
+function compactObject(data) {
|
|
|
+ if ((typeof data === 'undefined' ? 'undefined' : _typeof(data)) !== 'object') {
|
|
|
+ return data;
|
|
|
+ }
|
|
|
+
|
|
|
+ return Object.keys(data).reduce(function (accumulator, key) {
|
|
|
+ var isObject = _typeof(data[key]) === 'object';
|
|
|
+ var value = isObject ? compactObject(data[key]) : data[key];
|
|
|
+ var isEmptyObject = isObject && !Object.keys(value).length;
|
|
|
+ if (value === undefined || isEmptyObject) {
|
|
|
+ return accumulator;
|
|
|
+ }
|
|
|
+
|
|
|
+ return Object.assign(accumulator, _defineProperty({}, key, value));
|
|
|
+ }, {});
|
|
|
+}
|
|
|
+
|
|
|
+},{}],16:[function(require,module,exports){
|
|
|
+/*
|
|
|
+ * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
|
|
|
+ *
|
|
|
+ * Use of this source code is governed by a BSD-style license
|
|
|
+ * that can be found in the LICENSE file in the root of the source
|
|
|
+ * tree.
|
|
|
+ */
|
|
|
+ /* eslint-env node */
|
|
|
+'use strict';
|
|
|
+
|
|
|
+var SDPUtils = require('sdp');
|
|
|
+
|
|
|
+function fixStatsType(stat) {
|
|
|
+ return {
|
|
|
+ inboundrtp: 'inbound-rtp',
|
|
|
+ outboundrtp: 'outbound-rtp',
|
|
|
+ candidatepair: 'candidate-pair',
|
|
|
+ localcandidate: 'local-candidate',
|
|
|
+ remotecandidate: 'remote-candidate'
|
|
|
+ }[stat.type] || stat.type;
|
|
|
+}
|
|
|
+
|
|
|
+function writeMediaSection(transceiver, caps, type, stream, dtlsRole) {
|
|
|
+ var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps);
|
|
|
+
|
|
|
+ // Map ICE parameters (ufrag, pwd) to SDP.
|
|
|
+ sdp += SDPUtils.writeIceParameters(
|
|
|
+ transceiver.iceGatherer.getLocalParameters());
|
|
|
+
|
|
|
+ // Map DTLS parameters to SDP.
|
|
|
+ sdp += SDPUtils.writeDtlsParameters(
|
|
|
+ transceiver.dtlsTransport.getLocalParameters(),
|
|
|
+ type === 'offer' ? 'actpass' : dtlsRole || 'active');
|
|
|
+
|
|
|
+ sdp += 'a=mid:' + transceiver.mid + '\r\n';
|
|
|
+
|
|
|
+ if (transceiver.rtpSender && transceiver.rtpReceiver) {
|
|
|
+ sdp += 'a=sendrecv\r\n';
|
|
|
+ } else if (transceiver.rtpSender) {
|
|
|
+ sdp += 'a=sendonly\r\n';
|
|
|
+ } else if (transceiver.rtpReceiver) {
|
|
|
+ sdp += 'a=recvonly\r\n';
|
|
|
+ } else {
|
|
|
+ sdp += 'a=inactive\r\n';
|
|
|
+ }
|
|
|
+
|
|
|
+ if (transceiver.rtpSender) {
|
|
|
+ var trackId = transceiver.rtpSender._initialTrackId ||
|
|
|
+ transceiver.rtpSender.track.id;
|
|
|
+ transceiver.rtpSender._initialTrackId = trackId;
|
|
|
+ // spec.
|
|
|
+ var msid = 'msid:' + (stream ? stream.id : '-') + ' ' +
|
|
|
+ trackId + '\r\n';
|
|
|
+ sdp += 'a=' + msid;
|
|
|
+ // for Chrome. Legacy should no longer be required.
|
|
|
+ sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
|
|
|
+ ' ' + msid;
|
|
|
+
|
|
|
+ // RTX
|
|
|
+ if (transceiver.sendEncodingParameters[0].rtx) {
|
|
|
+ sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
|
|
|
+ ' ' + msid;
|
|
|
+ sdp += 'a=ssrc-group:FID ' +
|
|
|
+ transceiver.sendEncodingParameters[0].ssrc + ' ' +
|
|
|
+ transceiver.sendEncodingParameters[0].rtx.ssrc +
|
|
|
+ '\r\n';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ // FIXME: this should be written by writeRtpDescription.
|
|
|
+ sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
|
|
|
+ ' cname:' + SDPUtils.localCName + '\r\n';
|
|
|
+ if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {
|
|
|
+ sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
|
|
|
+ ' cname:' + SDPUtils.localCName + '\r\n';
|
|
|
+ }
|
|
|
+ return sdp;
|
|
|
+}
|
|
|
+
|
|
|
+// Edge does not like
|
|
|
+// 1) stun: filtered after 14393 unless ?transport=udp is present
|
|
|
+// 2) turn: that does not have all of turn:host:port?transport=udp
|
|
|
+// 3) turn: with ipv6 addresses
|
|
|
+// 4) turn: occurring muliple times
|
|
|
+function filterIceServers(iceServers, edgeVersion) {
|
|
|
+ var hasTurn = false;
|
|
|
+ iceServers = JSON.parse(JSON.stringify(iceServers));
|
|
|
+ return iceServers.filter(function(server) {
|
|
|
+ if (server && (server.urls || server.url)) {
|
|
|
+ var urls = server.urls || server.url;
|
|
|
+ if (server.url && !server.urls) {
|
|
|
+ console.warn('RTCIceServer.url is deprecated! Use urls instead.');
|
|
|
+ }
|
|
|
+ var isString = typeof urls === 'string';
|
|
|
+ if (isString) {
|
|
|
+ urls = [urls];
|
|
|
+ }
|
|
|
+ urls = urls.filter(function(url) {
|
|
|
+ var validTurn = url.indexOf('turn:') === 0 &&
|
|
|
+ url.indexOf('transport=udp') !== -1 &&
|
|
|
+ url.indexOf('turn:[') === -1 &&
|
|
|
+ !hasTurn;
|
|
|
+
|
|
|
+ if (validTurn) {
|
|
|
+ hasTurn = true;
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ return url.indexOf('stun:') === 0 && edgeVersion >= 14393 &&
|
|
|
+ url.indexOf('?transport=udp') === -1;
|
|
|
+ });
|
|
|
+
|
|
|
+ delete server.url;
|
|
|
+ server.urls = isString ? urls[0] : urls;
|
|
|
+ return !!urls.length;
|
|
|
+ }
|
|
|
+ });
|
|
|
+}
|
|
|
+
|
|
|
+// Determines the intersection of local and remote capabilities.
|
|
|
+function getCommonCapabilities(localCapabilities, remoteCapabilities) {
|
|
|
+ var commonCapabilities = {
|
|
|
+ codecs: [],
|
|
|
+ headerExtensions: [],
|
|
|
+ fecMechanisms: []
|
|
|
+ };
|
|
|
+
|
|
|
+ var findCodecByPayloadType = function(pt, codecs) {
|
|
|
+ pt = parseInt(pt, 10);
|
|
|
+ for (var i = 0; i < codecs.length; i++) {
|
|
|
+ if (codecs[i].payloadType === pt ||
|
|
|
+ codecs[i].preferredPayloadType === pt) {
|
|
|
+ return codecs[i];
|
|
|
+ }
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ var rtxCapabilityMatches = function(lRtx, rRtx, lCodecs, rCodecs) {
|
|
|
+ var lCodec = findCodecByPayloadType(lRtx.parameters.apt, lCodecs);
|
|
|
+ var rCodec = findCodecByPayloadType(rRtx.parameters.apt, rCodecs);
|
|
|
+ return lCodec && rCodec &&
|
|
|
+ lCodec.name.toLowerCase() === rCodec.name.toLowerCase();
|
|
|
+ };
|
|
|
+
|
|
|
+ localCapabilities.codecs.forEach(function(lCodec) {
|
|
|
+ for (var i = 0; i < remoteCapabilities.codecs.length; i++) {
|
|
|
+ var rCodec = remoteCapabilities.codecs[i];
|
|
|
+ if (lCodec.name.toLowerCase() === rCodec.name.toLowerCase() &&
|
|
|
+ lCodec.clockRate === rCodec.clockRate) {
|
|
|
+ if (lCodec.name.toLowerCase() === 'rtx' &&
|
|
|
+ lCodec.parameters && rCodec.parameters.apt) {
|
|
|
+ // for RTX we need to find the local rtx that has a apt
|
|
|
+ // which points to the same local codec as the remote one.
|
|
|
+ if (!rtxCapabilityMatches(lCodec, rCodec,
|
|
|
+ localCapabilities.codecs, remoteCapabilities.codecs)) {
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ rCodec = JSON.parse(JSON.stringify(rCodec)); // deepcopy
|
|
|
+ // number of channels is the highest common number of channels
|
|
|
+ rCodec.numChannels = Math.min(lCodec.numChannels,
|
|
|
+ rCodec.numChannels);
|
|
|
+ // push rCodec so we reply with offerer payload type
|
|
|
+ commonCapabilities.codecs.push(rCodec);
|
|
|
+
|
|
|
+ // determine common feedback mechanisms
|
|
|
+ rCodec.rtcpFeedback = rCodec.rtcpFeedback.filter(function(fb) {
|
|
|
+ for (var j = 0; j < lCodec.rtcpFeedback.length; j++) {
|
|
|
+ if (lCodec.rtcpFeedback[j].type === fb.type &&
|
|
|
+ lCodec.rtcpFeedback[j].parameter === fb.parameter) {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return false;
|
|
|
+ });
|
|
|
+ // FIXME: also need to determine .parameters
|
|
|
+ // see https://github.com/openpeer/ortc/issues/569
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ localCapabilities.headerExtensions.forEach(function(lHeaderExtension) {
|
|
|
+ for (var i = 0; i < remoteCapabilities.headerExtensions.length;
|
|
|
+ i++) {
|
|
|
+ var rHeaderExtension = remoteCapabilities.headerExtensions[i];
|
|
|
+ if (lHeaderExtension.uri === rHeaderExtension.uri) {
|
|
|
+ commonCapabilities.headerExtensions.push(rHeaderExtension);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ // FIXME: fecMechanisms
|
|
|
+ return commonCapabilities;
|
|
|
+}
|
|
|
+
|
|
|
+// is action=setLocalDescription with type allowed in signalingState
|
|
|
+function isActionAllowedInSignalingState(action, type, signalingState) {
|
|
|
+ return {
|
|
|
+ offer: {
|
|
|
+ setLocalDescription: ['stable', 'have-local-offer'],
|
|
|
+ setRemoteDescription: ['stable', 'have-remote-offer']
|
|
|
+ },
|
|
|
+ answer: {
|
|
|
+ setLocalDescription: ['have-remote-offer', 'have-local-pranswer'],
|
|
|
+ setRemoteDescription: ['have-local-offer', 'have-remote-pranswer']
|
|
|
+ }
|
|
|
+ }[type][action].indexOf(signalingState) !== -1;
|
|
|
+}
|
|
|
+
|
|
|
+function maybeAddCandidate(iceTransport, candidate) {
|
|
|
+ // Edge's internal representation adds some fields therefore
|
|
|
+ // not all fieldѕ are taken into account.
|
|
|
+ var alreadyAdded = iceTransport.getRemoteCandidates()
|
|
|
+ .find(function(remoteCandidate) {
|
|
|
+ return candidate.foundation === remoteCandidate.foundation &&
|
|
|
+ candidate.ip === remoteCandidate.ip &&
|
|
|
+ candidate.port === remoteCandidate.port &&
|
|
|
+ candidate.priority === remoteCandidate.priority &&
|
|
|
+ candidate.protocol === remoteCandidate.protocol &&
|
|
|
+ candidate.type === remoteCandidate.type;
|
|
|
+ });
|
|
|
+ if (!alreadyAdded) {
|
|
|
+ iceTransport.addRemoteCandidate(candidate);
|
|
|
+ }
|
|
|
+ return !alreadyAdded;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+function makeError(name, description) {
|
|
|
+ var e = new Error(description);
|
|
|
+ e.name = name;
|
|
|
+ // legacy error codes from https://heycam.github.io/webidl/#idl-DOMException-error-names
|
|
|
+ e.code = {
|
|
|
+ NotSupportedError: 9,
|
|
|
+ InvalidStateError: 11,
|
|
|
+ InvalidAccessError: 15,
|
|
|
+ TypeError: undefined,
|
|
|
+ OperationError: undefined
|
|
|
+ }[name];
|
|
|
+ return e;
|
|
|
+}
|
|
|
+
|
|
|
+module.exports = function(window, edgeVersion) {
|
|
|
+ // https://w3c.github.io/mediacapture-main/#mediastream
|
|
|
+ // Helper function to add the track to the stream and
|
|
|
+ // dispatch the event ourselves.
|
|
|
+ function addTrackToStreamAndFireEvent(track, stream) {
|
|
|
+ stream.addTrack(track);
|
|
|
+ stream.dispatchEvent(new window.MediaStreamTrackEvent('addtrack',
|
|
|
+ {track: track}));
|
|
|
+ }
|
|
|
+
|
|
|
+ function removeTrackFromStreamAndFireEvent(track, stream) {
|
|
|
+ stream.removeTrack(track);
|
|
|
+ stream.dispatchEvent(new window.MediaStreamTrackEvent('removetrack',
|
|
|
+ {track: track}));
|
|
|
+ }
|
|
|
+
|
|
|
+ function fireAddTrack(pc, track, receiver, streams) {
|
|
|
+ var trackEvent = new Event('track');
|
|
|
+ trackEvent.track = track;
|
|
|
+ trackEvent.receiver = receiver;
|
|
|
+ trackEvent.transceiver = {receiver: receiver};
|
|
|
+ trackEvent.streams = streams;
|
|
|
+ window.setTimeout(function() {
|
|
|
+ pc._dispatchEvent('track', trackEvent);
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ var RTCPeerConnection = function(config) {
|
|
|
+ var pc = this;
|
|
|
+
|
|
|
+ var _eventTarget = document.createDocumentFragment();
|
|
|
+ ['addEventListener', 'removeEventListener', 'dispatchEvent']
|
|
|
+ .forEach(function(method) {
|
|
|
+ pc[method] = _eventTarget[method].bind(_eventTarget);
|
|
|
+ });
|
|
|
+
|
|
|
+ this.canTrickleIceCandidates = null;
|
|
|
+
|
|
|
+ this.needNegotiation = false;
|
|
|
+
|
|
|
+ this.localStreams = [];
|
|
|
+ this.remoteStreams = [];
|
|
|
+
|
|
|
+ this._localDescription = null;
|
|
|
+ this._remoteDescription = null;
|
|
|
+
|
|
|
+ this.signalingState = 'stable';
|
|
|
+ this.iceConnectionState = 'new';
|
|
|
+ this.connectionState = 'new';
|
|
|
+ this.iceGatheringState = 'new';
|
|
|
+
|
|
|
+ config = JSON.parse(JSON.stringify(config || {}));
|
|
|
+
|
|
|
+ this.usingBundle = config.bundlePolicy === 'max-bundle';
|
|
|
+ if (config.rtcpMuxPolicy === 'negotiate') {
|
|
|
+ throw(makeError('NotSupportedError',
|
|
|
+ 'rtcpMuxPolicy \'negotiate\' is not supported'));
|
|
|
+ } else if (!config.rtcpMuxPolicy) {
|
|
|
+ config.rtcpMuxPolicy = 'require';
|
|
|
+ }
|
|
|
+
|
|
|
+ switch (config.iceTransportPolicy) {
|
|
|
+ case 'all':
|
|
|
+ case 'relay':
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ config.iceTransportPolicy = 'all';
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ switch (config.bundlePolicy) {
|
|
|
+ case 'balanced':
|
|
|
+ case 'max-compat':
|
|
|
+ case 'max-bundle':
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ config.bundlePolicy = 'balanced';
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ config.iceServers = filterIceServers(config.iceServers || [], edgeVersion);
|
|
|
+
|
|
|
+ this._iceGatherers = [];
|
|
|
+ if (config.iceCandidatePoolSize) {
|
|
|
+ for (var i = config.iceCandidatePoolSize; i > 0; i--) {
|
|
|
+ this._iceGatherers.push(new window.RTCIceGatherer({
|
|
|
+ iceServers: config.iceServers,
|
|
|
+ gatherPolicy: config.iceTransportPolicy
|
|
|
+ }));
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ config.iceCandidatePoolSize = 0;
|
|
|
+ }
|
|
|
+
|
|
|
+ this._config = config;
|
|
|
+
|
|
|
+ // per-track iceGathers, iceTransports, dtlsTransports, rtpSenders, ...
|
|
|
+ // everything that is needed to describe a SDP m-line.
|
|
|
+ this.transceivers = [];
|
|
|
+
|
|
|
+ this._sdpSessionId = SDPUtils.generateSessionId();
|
|
|
+ this._sdpSessionVersion = 0;
|
|
|
+
|
|
|
+ this._dtlsRole = undefined; // role for a=setup to use in answers.
|
|
|
+
|
|
|
+ this._isClosed = false;
|
|
|
+ };
|
|
|
+
|
|
|
+ Object.defineProperty(RTCPeerConnection.prototype, 'localDescription', {
|
|
|
+ configurable: true,
|
|
|
+ get: function() {
|
|
|
+ return this._localDescription;
|
|
|
+ }
|
|
|
+ });
|
|
|
+ Object.defineProperty(RTCPeerConnection.prototype, 'remoteDescription', {
|
|
|
+ configurable: true,
|
|
|
+ get: function() {
|
|
|
+ return this._remoteDescription;
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ // set up event handlers on prototype
|
|
|
+ RTCPeerConnection.prototype.onicecandidate = null;
|
|
|
+ RTCPeerConnection.prototype.onaddstream = null;
|
|
|
+ RTCPeerConnection.prototype.ontrack = null;
|
|
|
+ RTCPeerConnection.prototype.onremovestream = null;
|
|
|
+ RTCPeerConnection.prototype.onsignalingstatechange = null;
|
|
|
+ RTCPeerConnection.prototype.oniceconnectionstatechange = null;
|
|
|
+ RTCPeerConnection.prototype.onconnectionstatechange = null;
|
|
|
+ RTCPeerConnection.prototype.onicegatheringstatechange = null;
|
|
|
+ RTCPeerConnection.prototype.onnegotiationneeded = null;
|
|
|
+ RTCPeerConnection.prototype.ondatachannel = null;
|
|
|
+
|
|
|
+ RTCPeerConnection.prototype._dispatchEvent = function(name, event) {
|
|
|
+ if (this._isClosed) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ this.dispatchEvent(event);
|
|
|
+ if (typeof this['on' + name] === 'function') {
|
|
|
+ this['on' + name](event);
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ RTCPeerConnection.prototype._emitGatheringStateChange = function() {
|
|
|
+ var event = new Event('icegatheringstatechange');
|
|
|
+ this._dispatchEvent('icegatheringstatechange', event);
|
|
|
+ };
|
|
|
+
|
|
|
+ RTCPeerConnection.prototype.getConfiguration = function() {
|
|
|
+ return this._config;
|
|
|
+ };
|
|
|
+
|
|
|
+ RTCPeerConnection.prototype.getLocalStreams = function() {
|
|
|
+ return this.localStreams;
|
|
|
+ };
|
|
|
+
|
|
|
+ RTCPeerConnection.prototype.getRemoteStreams = function() {
|
|
|
+ return this.remoteStreams;
|
|
|
+ };
|
|
|
+
|
|
|
+ // internal helper to create a transceiver object.
|
|
|
+ // (which is not yet the same as the WebRTC 1.0 transceiver)
|
|
|
+ RTCPeerConnection.prototype._createTransceiver = function(kind, doNotAdd) {
|
|
|
+ var hasBundleTransport = this.transceivers.length > 0;
|
|
|
+ var transceiver = {
|
|
|
+ track: null,
|
|
|
+ iceGatherer: null,
|
|
|
+ iceTransport: null,
|
|
|
+ dtlsTransport: null,
|
|
|
+ localCapabilities: null,
|
|
|
+ remoteCapabilities: null,
|
|
|
+ rtpSender: null,
|
|
|
+ rtpReceiver: null,
|
|
|
+ kind: kind,
|
|
|
+ mid: null,
|
|
|
+ sendEncodingParameters: null,
|
|
|
+ recvEncodingParameters: null,
|
|
|
+ stream: null,
|
|
|
+ associatedRemoteMediaStreams: [],
|
|
|
+ wantReceive: true
|
|
|
+ };
|
|
|
+ if (this.usingBundle && hasBundleTransport) {
|
|
|
+ transceiver.iceTransport = this.transceivers[0].iceTransport;
|
|
|
+ transceiver.dtlsTransport = this.transceivers[0].dtlsTransport;
|
|
|
+ } else {
|
|
|
+ var transports = this._createIceAndDtlsTransports();
|
|
|
+ transceiver.iceTransport = transports.iceTransport;
|
|
|
+ transceiver.dtlsTransport = transports.dtlsTransport;
|
|
|
+ }
|
|
|
+ if (!doNotAdd) {
|
|
|
+ this.transceivers.push(transceiver);
|
|
|
+ }
|
|
|
+ return transceiver;
|
|
|
+ };
|
|
|
+
|
|
|
+ RTCPeerConnection.prototype.addTrack = function(track, stream) {
|
|
|
+ if (this._isClosed) {
|
|
|
+ throw makeError('InvalidStateError',
|
|
|
+ 'Attempted to call addTrack on a closed peerconnection.');
|
|
|
+ }
|
|
|
+
|
|
|
+ var alreadyExists = this.transceivers.find(function(s) {
|
|
|
+ return s.track === track;
|
|
|
+ });
|
|
|
+
|
|
|
+ if (alreadyExists) {
|
|
|
+ throw makeError('InvalidAccessError', 'Track already exists.');
|
|
|
+ }
|
|
|
+
|
|
|
+ var transceiver;
|
|
|
+ for (var i = 0; i < this.transceivers.length; i++) {
|
|
|
+ if (!this.transceivers[i].track &&
|
|
|
+ this.transceivers[i].kind === track.kind) {
|
|
|
+ transceiver = this.transceivers[i];
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (!transceiver) {
|
|
|
+ transceiver = this._createTransceiver(track.kind);
|
|
|
+ }
|
|
|
+
|
|
|
+ this._maybeFireNegotiationNeeded();
|
|
|
+
|
|
|
+ if (this.localStreams.indexOf(stream) === -1) {
|
|
|
+ this.localStreams.push(stream);
|
|
|
+ }
|
|
|
+
|
|
|
+ transceiver.track = track;
|
|
|
+ transceiver.stream = stream;
|
|
|
+ transceiver.rtpSender = new window.RTCRtpSender(track,
|
|
|
+ transceiver.dtlsTransport);
|
|
|
+ return transceiver.rtpSender;
|
|
|
+ };
|
|
|
+
|
|
|
+ RTCPeerConnection.prototype.addStream = function(stream) {
|
|
|
+ var pc = this;
|
|
|
+ if (edgeVersion >= 15025) {
|
|
|
+ stream.getTracks().forEach(function(track) {
|
|
|
+ pc.addTrack(track, stream);
|
|
|
+ });
|
|
|
+ } else {
|
|
|
+ // Clone is necessary for local demos mostly, attaching directly
|
|
|
+ // to two different senders does not work (build 10547).
|
|
|
+ // Fixed in 15025 (or earlier)
|
|
|
+ var clonedStream = stream.clone();
|
|
|
+ stream.getTracks().forEach(function(track, idx) {
|
|
|
+ var clonedTrack = clonedStream.getTracks()[idx];
|
|
|
+ track.addEventListener('enabled', function(event) {
|
|
|
+ clonedTrack.enabled = event.enabled;
|
|
|
+ });
|
|
|
+ });
|
|
|
+ clonedStream.getTracks().forEach(function(track) {
|
|
|
+ pc.addTrack(track, clonedStream);
|
|
|
+ });
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ RTCPeerConnection.prototype.removeTrack = function(sender) {
|
|
|
+ if (this._isClosed) {
|
|
|
+ throw makeError('InvalidStateError',
|
|
|
+ 'Attempted to call removeTrack on a closed peerconnection.');
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!(sender instanceof window.RTCRtpSender)) {
|
|
|
+ throw new TypeError('Argument 1 of RTCPeerConnection.removeTrack ' +
|
|
|
+ 'does not implement interface RTCRtpSender.');
|
|
|
+ }
|
|
|
+
|
|
|
+ var transceiver = this.transceivers.find(function(t) {
|
|
|
+ return t.rtpSender === sender;
|
|
|
+ });
|
|
|
+
|
|
|
+ if (!transceiver) {
|
|
|
+ throw makeError('InvalidAccessError',
|
|
|
+ 'Sender was not created by this connection.');
|
|
|
+ }
|
|
|
+ var stream = transceiver.stream;
|
|
|
+
|
|
|
+ transceiver.rtpSender.stop();
|
|
|
+ transceiver.rtpSender = null;
|
|
|
+ transceiver.track = null;
|
|
|
+ transceiver.stream = null;
|
|
|
+
|
|
|
+ // remove the stream from the set of local streams
|
|
|
+ var localStreams = this.transceivers.map(function(t) {
|
|
|
+ return t.stream;
|
|
|
+ });
|
|
|
+ if (localStreams.indexOf(stream) === -1 &&
|
|
|
+ this.localStreams.indexOf(stream) > -1) {
|
|
|
+ this.localStreams.splice(this.localStreams.indexOf(stream), 1);
|
|
|
+ }
|
|
|
+
|
|
|
+ this._maybeFireNegotiationNeeded();
|
|
|
+ };
|
|
|
+
|
|
|
+ RTCPeerConnection.prototype.removeStream = function(stream) {
|
|
|
+ var pc = this;
|
|
|
+ stream.getTracks().forEach(function(track) {
|
|
|
+ var sender = pc.getSenders().find(function(s) {
|
|
|
+ return s.track === track;
|
|
|
+ });
|
|
|
+ if (sender) {
|
|
|
+ pc.removeTrack(sender);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ };
|
|
|
+
|
|
|
+ RTCPeerConnection.prototype.getSenders = function() {
|
|
|
+ return this.transceivers.filter(function(transceiver) {
|
|
|
+ return !!transceiver.rtpSender;
|
|
|
+ })
|
|
|
+ .map(function(transceiver) {
|
|
|
+ return transceiver.rtpSender;
|
|
|
+ });
|
|
|
+ };
|
|
|
+
|
|
|
+ RTCPeerConnection.prototype.getReceivers = function() {
|
|
|
+ return this.transceivers.filter(function(transceiver) {
|
|
|
+ return !!transceiver.rtpReceiver;
|
|
|
+ })
|
|
|
+ .map(function(transceiver) {
|
|
|
+ return transceiver.rtpReceiver;
|
|
|
+ });
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+ RTCPeerConnection.prototype._createIceGatherer = function(sdpMLineIndex,
|
|
|
+ usingBundle) {
|
|
|
+ var pc = this;
|
|
|
+ if (usingBundle && sdpMLineIndex > 0) {
|
|
|
+ return this.transceivers[0].iceGatherer;
|
|
|
+ } else if (this._iceGatherers.length) {
|
|
|
+ return this._iceGatherers.shift();
|
|
|
+ }
|
|
|
+ var iceGatherer = new window.RTCIceGatherer({
|
|
|
+ iceServers: this._config.iceServers,
|
|
|
+ gatherPolicy: this._config.iceTransportPolicy
|
|
|
+ });
|
|
|
+ Object.defineProperty(iceGatherer, 'state',
|
|
|
+ {value: 'new', writable: true}
|
|
|
+ );
|
|
|
+
|
|
|
+ this.transceivers[sdpMLineIndex].bufferedCandidateEvents = [];
|
|
|
+ this.transceivers[sdpMLineIndex].bufferCandidates = function(event) {
|
|
|
+ var end = !event.candidate || Object.keys(event.candidate).length === 0;
|
|
|
+ // polyfill since RTCIceGatherer.state is not implemented in
|
|
|
+ // Edge 10547 yet.
|
|
|
+ iceGatherer.state = end ? 'completed' : 'gathering';
|
|
|
+ if (pc.transceivers[sdpMLineIndex].bufferedCandidateEvents !== null) {
|
|
|
+ pc.transceivers[sdpMLineIndex].bufferedCandidateEvents.push(event);
|
|
|
+ }
|
|
|
+ };
|
|
|
+ iceGatherer.addEventListener('localcandidate',
|
|
|
+ this.transceivers[sdpMLineIndex].bufferCandidates);
|
|
|
+ return iceGatherer;
|
|
|
+ };
|
|
|
+
|
|
|
+ // start gathering from an RTCIceGatherer.
|
|
|
+ RTCPeerConnection.prototype._gather = function(mid, sdpMLineIndex) {
|
|
|
+ var pc = this;
|
|
|
+ var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;
|
|
|
+ if (iceGatherer.onlocalcandidate) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ var bufferedCandidateEvents =
|
|
|
+ this.transceivers[sdpMLineIndex].bufferedCandidateEvents;
|
|
|
+ this.transceivers[sdpMLineIndex].bufferedCandidateEvents = null;
|
|
|
+ iceGatherer.removeEventListener('localcandidate',
|
|
|
+ this.transceivers[sdpMLineIndex].bufferCandidates);
|
|
|
+ iceGatherer.onlocalcandidate = function(evt) {
|
|
|
+ if (pc.usingBundle && sdpMLineIndex > 0) {
|
|
|
+ // if we know that we use bundle we can drop candidates with
|
|
|
+ // ѕdpMLineIndex > 0. If we don't do this then our state gets
|
|
|
+ // confused since we dispose the extra ice gatherer.
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ var event = new Event('icecandidate');
|
|
|
+ event.candidate = {sdpMid: mid, sdpMLineIndex: sdpMLineIndex};
|
|
|
+
|
|
|
+ var cand = evt.candidate;
|
|
|
+ // Edge emits an empty object for RTCIceCandidateComplete‥
|
|
|
+ var end = !cand || Object.keys(cand).length === 0;
|
|
|
+ if (end) {
|
|
|
+ // polyfill since RTCIceGatherer.state is not implemented in
|
|
|
+ // Edge 10547 yet.
|
|
|
+ if (iceGatherer.state === 'new' || iceGatherer.state === 'gathering') {
|
|
|
+ iceGatherer.state = 'completed';
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ if (iceGatherer.state === 'new') {
|
|
|
+ iceGatherer.state = 'gathering';
|
|
|
+ }
|
|
|
+ // RTCIceCandidate doesn't have a component, needs to be added
|
|
|
+ cand.component = 1;
|
|
|
+ // also the usernameFragment. TODO: update SDP to take both variants.
|
|
|
+ cand.ufrag = iceGatherer.getLocalParameters().usernameFragment;
|
|
|
+
|
|
|
+ var serializedCandidate = SDPUtils.writeCandidate(cand);
|
|
|
+ event.candidate = Object.assign(event.candidate,
|
|
|
+ SDPUtils.parseCandidate(serializedCandidate));
|
|
|
+
|
|
|
+ event.candidate.candidate = serializedCandidate;
|
|
|
+ event.candidate.toJSON = function() {
|
|
|
+ return {
|
|
|
+ candidate: event.candidate.candidate,
|
|
|
+ sdpMid: event.candidate.sdpMid,
|
|
|
+ sdpMLineIndex: event.candidate.sdpMLineIndex,
|
|
|
+ usernameFragment: event.candidate.usernameFragment
|
|
|
+ };
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+ // update local description.
|
|
|
+ var sections = SDPUtils.getMediaSections(pc._localDescription.sdp);
|
|
|
+ if (!end) {
|
|
|
+ sections[event.candidate.sdpMLineIndex] +=
|
|
|
+ 'a=' + event.candidate.candidate + '\r\n';
|
|
|
+ } else {
|
|
|
+ sections[event.candidate.sdpMLineIndex] +=
|
|
|
+ 'a=end-of-candidates\r\n';
|
|
|
+ }
|
|
|
+ pc._localDescription.sdp =
|
|
|
+ SDPUtils.getDescription(pc._localDescription.sdp) +
|
|
|
+ sections.join('');
|
|
|
+ var complete = pc.transceivers.every(function(transceiver) {
|
|
|
+ return transceiver.iceGatherer &&
|
|
|
+ transceiver.iceGatherer.state === 'completed';
|
|
|
+ });
|
|
|
+
|
|
|
+ if (pc.iceGatheringState !== 'gathering') {
|
|
|
+ pc.iceGatheringState = 'gathering';
|
|
|
+ pc._emitGatheringStateChange();
|
|
|
+ }
|
|
|
+
|
|
|
+ // Emit candidate. Also emit null candidate when all gatherers are
|
|
|
+ // complete.
|
|
|
+ if (!end) {
|
|
|
+ pc._dispatchEvent('icecandidate', event);
|
|
|
+ }
|
|
|
+ if (complete) {
|
|
|
+ pc._dispatchEvent('icecandidate', new Event('icecandidate'));
|
|
|
+ pc.iceGatheringState = 'complete';
|
|
|
+ pc._emitGatheringStateChange();
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ // emit already gathered candidates.
|
|
|
+ window.setTimeout(function() {
|
|
|
+ bufferedCandidateEvents.forEach(function(e) {
|
|
|
+ iceGatherer.onlocalcandidate(e);
|
|
|
+ });
|
|
|
+ }, 0);
|
|
|
+ };
|
|
|
+
|
|
|
+ // Create ICE transport and DTLS transport.
|
|
|
+ RTCPeerConnection.prototype._createIceAndDtlsTransports = function() {
|
|
|
+ var pc = this;
|
|
|
+ var iceTransport = new window.RTCIceTransport(null);
|
|
|
+ iceTransport.onicestatechange = function() {
|
|
|
+ pc._updateIceConnectionState();
|
|
|
+ pc._updateConnectionState();
|
|
|
+ };
|
|
|
+
|
|
|
+ var dtlsTransport = new window.RTCDtlsTransport(iceTransport);
|
|
|
+ dtlsTransport.ondtlsstatechange = function() {
|
|
|
+ pc._updateConnectionState();
|
|
|
+ };
|
|
|
+ dtlsTransport.onerror = function() {
|
|
|
+ // onerror does not set state to failed by itself.
|
|
|
+ Object.defineProperty(dtlsTransport, 'state',
|
|
|
+ {value: 'failed', writable: true});
|
|
|
+ pc._updateConnectionState();
|
|
|
+ };
|
|
|
+
|
|
|
+ return {
|
|
|
+ iceTransport: iceTransport,
|
|
|
+ dtlsTransport: dtlsTransport
|
|
|
+ };
|
|
|
+ };
|
|
|
+
|
|
|
+ // Destroy ICE gatherer, ICE transport and DTLS transport.
|
|
|
+ // Without triggering the callbacks.
|
|
|
+ RTCPeerConnection.prototype._disposeIceAndDtlsTransports = function(
|
|
|
+ sdpMLineIndex) {
|
|
|
+ var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;
|
|
|
+ if (iceGatherer) {
|
|
|
+ delete iceGatherer.onlocalcandidate;
|
|
|
+ delete this.transceivers[sdpMLineIndex].iceGatherer;
|
|
|
+ }
|
|
|
+ var iceTransport = this.transceivers[sdpMLineIndex].iceTransport;
|
|
|
+ if (iceTransport) {
|
|
|
+ delete iceTransport.onicestatechange;
|
|
|
+ delete this.transceivers[sdpMLineIndex].iceTransport;
|
|
|
+ }
|
|
|
+ var dtlsTransport = this.transceivers[sdpMLineIndex].dtlsTransport;
|
|
|
+ if (dtlsTransport) {
|
|
|
+ delete dtlsTransport.ondtlsstatechange;
|
|
|
+ delete dtlsTransport.onerror;
|
|
|
+ delete this.transceivers[sdpMLineIndex].dtlsTransport;
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ // Start the RTP Sender and Receiver for a transceiver.
|
|
|
+ RTCPeerConnection.prototype._transceive = function(transceiver,
|
|
|
+ send, recv) {
|
|
|
+ var params = getCommonCapabilities(transceiver.localCapabilities,
|
|
|
+ transceiver.remoteCapabilities);
|
|
|
+ if (send && transceiver.rtpSender) {
|
|
|
+ params.encodings = transceiver.sendEncodingParameters;
|
|
|
+ params.rtcp = {
|
|
|
+ cname: SDPUtils.localCName,
|
|
|
+ compound: transceiver.rtcpParameters.compound
|
|
|
+ };
|
|
|
+ if (transceiver.recvEncodingParameters.length) {
|
|
|
+ params.rtcp.ssrc = transceiver.recvEncodingParameters[0].ssrc;
|
|
|
+ }
|
|
|
+ transceiver.rtpSender.send(params);
|
|
|
+ }
|
|
|
+ if (recv && transceiver.rtpReceiver && params.codecs.length > 0) {
|
|
|
+ // remove RTX field in Edge 14942
|
|
|
+ if (transceiver.kind === 'video'
|
|
|
+ && transceiver.recvEncodingParameters
|
|
|
+ && edgeVersion < 15019) {
|
|
|
+ transceiver.recvEncodingParameters.forEach(function(p) {
|
|
|
+ delete p.rtx;
|
|
|
+ });
|
|
|
+ }
|
|
|
+ if (transceiver.recvEncodingParameters.length) {
|
|
|
+ params.encodings = transceiver.recvEncodingParameters;
|
|
|
+ } else {
|
|
|
+ params.encodings = [{}];
|
|
|
+ }
|
|
|
+ params.rtcp = {
|
|
|
+ compound: transceiver.rtcpParameters.compound
|
|
|
+ };
|
|
|
+ if (transceiver.rtcpParameters.cname) {
|
|
|
+ params.rtcp.cname = transceiver.rtcpParameters.cname;
|
|
|
+ }
|
|
|
+ if (transceiver.sendEncodingParameters.length) {
|
|
|
+ params.rtcp.ssrc = transceiver.sendEncodingParameters[0].ssrc;
|
|
|
+ }
|
|
|
+ transceiver.rtpReceiver.receive(params);
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ RTCPeerConnection.prototype.setLocalDescription = function(description) {
|
|
|
+ var pc = this;
|
|
|
+
|
|
|
+ // Note: pranswer is not supported.
|
|
|
+ if (['offer', 'answer'].indexOf(description.type) === -1) {
|
|
|
+ return Promise.reject(makeError('TypeError',
|
|
|
+ 'Unsupported type "' + description.type + '"'));
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!isActionAllowedInSignalingState('setLocalDescription',
|
|
|
+ description.type, pc.signalingState) || pc._isClosed) {
|
|
|
+ return Promise.reject(makeError('InvalidStateError',
|
|
|
+ 'Can not set local ' + description.type +
|
|
|
+ ' in state ' + pc.signalingState));
|
|
|
+ }
|
|
|
+
|
|
|
+ var sections;
|
|
|
+ var sessionpart;
|
|
|
+ if (description.type === 'offer') {
|
|
|
+ // VERY limited support for SDP munging. Limited to:
|
|
|
+ // * changing the order of codecs
|
|
|
+ sections = SDPUtils.splitSections(description.sdp);
|
|
|
+ sessionpart = sections.shift();
|
|
|
+ sections.forEach(function(mediaSection, sdpMLineIndex) {
|
|
|
+ var caps = SDPUtils.parseRtpParameters(mediaSection);
|
|
|
+ pc.transceivers[sdpMLineIndex].localCapabilities = caps;
|
|
|
+ });
|
|
|
+
|
|
|
+ pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {
|
|
|
+ pc._gather(transceiver.mid, sdpMLineIndex);
|
|
|
+ });
|
|
|
+ } else if (description.type === 'answer') {
|
|
|
+ sections = SDPUtils.splitSections(pc._remoteDescription.sdp);
|
|
|
+ sessionpart = sections.shift();
|
|
|
+ var isIceLite = SDPUtils.matchPrefix(sessionpart,
|
|
|
+ 'a=ice-lite').length > 0;
|
|
|
+ sections.forEach(function(mediaSection, sdpMLineIndex) {
|
|
|
+ var transceiver = pc.transceivers[sdpMLineIndex];
|
|
|
+ var iceGatherer = transceiver.iceGatherer;
|
|
|
+ var iceTransport = transceiver.iceTransport;
|
|
|
+ var dtlsTransport = transceiver.dtlsTransport;
|
|
|
+ var localCapabilities = transceiver.localCapabilities;
|
|
|
+ var remoteCapabilities = transceiver.remoteCapabilities;
|
|
|
+
|
|
|
+ // treat bundle-only as not-rejected.
|
|
|
+ var rejected = SDPUtils.isRejected(mediaSection) &&
|
|
|
+ SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;
|
|
|
+
|
|
|
+ if (!rejected && !transceiver.rejected) {
|
|
|
+ var remoteIceParameters = SDPUtils.getIceParameters(
|
|
|
+ mediaSection, sessionpart);
|
|
|
+ var remoteDtlsParameters = SDPUtils.getDtlsParameters(
|
|
|
+ mediaSection, sessionpart);
|
|
|
+ if (isIceLite) {
|
|
|
+ remoteDtlsParameters.role = 'server';
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!pc.usingBundle || sdpMLineIndex === 0) {
|
|
|
+ pc._gather(transceiver.mid, sdpMLineIndex);
|
|
|
+ if (iceTransport.state === 'new') {
|
|
|
+ iceTransport.start(iceGatherer, remoteIceParameters,
|
|
|
+ isIceLite ? 'controlling' : 'controlled');
|
|
|
+ }
|
|
|
+ if (dtlsTransport.state === 'new') {
|
|
|
+ dtlsTransport.start(remoteDtlsParameters);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // Calculate intersection of capabilities.
|
|
|
+ var params = getCommonCapabilities(localCapabilities,
|
|
|
+ remoteCapabilities);
|
|
|
+
|
|
|
+ // Start the RTCRtpSender. The RTCRtpReceiver for this
|
|
|
+ // transceiver has already been started in setRemoteDescription.
|
|
|
+ pc._transceive(transceiver,
|
|
|
+ params.codecs.length > 0,
|
|
|
+ false);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ pc._localDescription = {
|
|
|
+ type: description.type,
|
|
|
+ sdp: description.sdp
|
|
|
+ };
|
|
|
+ if (description.type === 'offer') {
|
|
|
+ pc._updateSignalingState('have-local-offer');
|
|
|
+ } else {
|
|
|
+ pc._updateSignalingState('stable');
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.resolve();
|
|
|
+ };
|
|
|
+
|
|
|
+ RTCPeerConnection.prototype.setRemoteDescription = function(description) {
|
|
|
+ var pc = this;
|
|
|
+
|
|
|
+ // Note: pranswer is not supported.
|
|
|
+ if (['offer', 'answer'].indexOf(description.type) === -1) {
|
|
|
+ return Promise.reject(makeError('TypeError',
|
|
|
+ 'Unsupported type "' + description.type + '"'));
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!isActionAllowedInSignalingState('setRemoteDescription',
|
|
|
+ description.type, pc.signalingState) || pc._isClosed) {
|
|
|
+ return Promise.reject(makeError('InvalidStateError',
|
|
|
+ 'Can not set remote ' + description.type +
|
|
|
+ ' in state ' + pc.signalingState));
|
|
|
+ }
|
|
|
+
|
|
|
+ var streams = {};
|
|
|
+ pc.remoteStreams.forEach(function(stream) {
|
|
|
+ streams[stream.id] = stream;
|
|
|
+ });
|
|
|
+ var receiverList = [];
|
|
|
+ var sections = SDPUtils.splitSections(description.sdp);
|
|
|
+ var sessionpart = sections.shift();
|
|
|
+ var isIceLite = SDPUtils.matchPrefix(sessionpart,
|
|
|
+ 'a=ice-lite').length > 0;
|
|
|
+ var usingBundle = SDPUtils.matchPrefix(sessionpart,
|
|
|
+ 'a=group:BUNDLE ').length > 0;
|
|
|
+ pc.usingBundle = usingBundle;
|
|
|
+ var iceOptions = SDPUtils.matchPrefix(sessionpart,
|
|
|
+ 'a=ice-options:')[0];
|
|
|
+ if (iceOptions) {
|
|
|
+ pc.canTrickleIceCandidates = iceOptions.substr(14).split(' ')
|
|
|
+ .indexOf('trickle') >= 0;
|
|
|
+ } else {
|
|
|
+ pc.canTrickleIceCandidates = false;
|
|
|
+ }
|
|
|
+
|
|
|
+ sections.forEach(function(mediaSection, sdpMLineIndex) {
|
|
|
+ var lines = SDPUtils.splitLines(mediaSection);
|
|
|
+ var kind = SDPUtils.getKind(mediaSection);
|
|
|
+ // treat bundle-only as not-rejected.
|
|
|
+ var rejected = SDPUtils.isRejected(mediaSection) &&
|
|
|
+ SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;
|
|
|
+ var protocol = lines[0].substr(2).split(' ')[2];
|
|
|
+
|
|
|
+ var direction = SDPUtils.getDirection(mediaSection, sessionpart);
|
|
|
+ var remoteMsid = SDPUtils.parseMsid(mediaSection);
|
|
|
+
|
|
|
+ var mid = SDPUtils.getMid(mediaSection) || SDPUtils.generateIdentifier();
|
|
|
+
|
|
|
+ // Reject datachannels which are not implemented yet.
|
|
|
+ if (rejected || (kind === 'application' && (protocol === 'DTLS/SCTP' ||
|
|
|
+ protocol === 'UDP/DTLS/SCTP'))) {
|
|
|
+ // TODO: this is dangerous in the case where a non-rejected m-line
|
|
|
+ // becomes rejected.
|
|
|
+ pc.transceivers[sdpMLineIndex] = {
|
|
|
+ mid: mid,
|
|
|
+ kind: kind,
|
|
|
+ protocol: protocol,
|
|
|
+ rejected: true
|
|
|
+ };
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!rejected && pc.transceivers[sdpMLineIndex] &&
|
|
|
+ pc.transceivers[sdpMLineIndex].rejected) {
|
|
|
+ // recycle a rejected transceiver.
|
|
|
+ pc.transceivers[sdpMLineIndex] = pc._createTransceiver(kind, true);
|
|
|
+ }
|
|
|
+
|
|
|
+ var transceiver;
|
|
|
+ var iceGatherer;
|
|
|
+ var iceTransport;
|
|
|
+ var dtlsTransport;
|
|
|
+ var rtpReceiver;
|
|
|
+ var sendEncodingParameters;
|
|
|
+ var recvEncodingParameters;
|
|
|
+ var localCapabilities;
|
|
|
+
|
|
|
+ var track;
|
|
|
+ // FIXME: ensure the mediaSection has rtcp-mux set.
|
|
|
+ var remoteCapabilities = SDPUtils.parseRtpParameters(mediaSection);
|
|
|
+ var remoteIceParameters;
|
|
|
+ var remoteDtlsParameters;
|
|
|
+ if (!rejected) {
|
|
|
+ remoteIceParameters = SDPUtils.getIceParameters(mediaSection,
|
|
|
+ sessionpart);
|
|
|
+ remoteDtlsParameters = SDPUtils.getDtlsParameters(mediaSection,
|
|
|
+ sessionpart);
|
|
|
+ remoteDtlsParameters.role = 'client';
|
|
|
+ }
|
|
|
+ recvEncodingParameters =
|
|
|
+ SDPUtils.parseRtpEncodingParameters(mediaSection);
|
|
|
+
|
|
|
+ var rtcpParameters = SDPUtils.parseRtcpParameters(mediaSection);
|
|
|
+
|
|
|
+ var isComplete = SDPUtils.matchPrefix(mediaSection,
|
|
|
+ 'a=end-of-candidates', sessionpart).length > 0;
|
|
|
+ var cands = SDPUtils.matchPrefix(mediaSection, 'a=candidate:')
|
|
|
+ .map(function(cand) {
|
|
|
+ return SDPUtils.parseCandidate(cand);
|
|
|
+ })
|
|
|
+ .filter(function(cand) {
|
|
|
+ return cand.component === 1;
|
|
|
+ });
|
|
|
+
|
|
|
+ // Check if we can use BUNDLE and dispose transports.
|
|
|
+ if ((description.type === 'offer' || description.type === 'answer') &&
|
|
|
+ !rejected && usingBundle && sdpMLineIndex > 0 &&
|
|
|
+ pc.transceivers[sdpMLineIndex]) {
|
|
|
+ pc._disposeIceAndDtlsTransports(sdpMLineIndex);
|
|
|
+ pc.transceivers[sdpMLineIndex].iceGatherer =
|
|
|
+ pc.transceivers[0].iceGatherer;
|
|
|
+ pc.transceivers[sdpMLineIndex].iceTransport =
|
|
|
+ pc.transceivers[0].iceTransport;
|
|
|
+ pc.transceivers[sdpMLineIndex].dtlsTransport =
|
|
|
+ pc.transceivers[0].dtlsTransport;
|
|
|
+ if (pc.transceivers[sdpMLineIndex].rtpSender) {
|
|
|
+ pc.transceivers[sdpMLineIndex].rtpSender.setTransport(
|
|
|
+ pc.transceivers[0].dtlsTransport);
|
|
|
+ }
|
|
|
+ if (pc.transceivers[sdpMLineIndex].rtpReceiver) {
|
|
|
+ pc.transceivers[sdpMLineIndex].rtpReceiver.setTransport(
|
|
|
+ pc.transceivers[0].dtlsTransport);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (description.type === 'offer' && !rejected) {
|
|
|
+ transceiver = pc.transceivers[sdpMLineIndex] ||
|
|
|
+ pc._createTransceiver(kind);
|
|
|
+ transceiver.mid = mid;
|
|
|
+
|
|
|
+ if (!transceiver.iceGatherer) {
|
|
|
+ transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,
|
|
|
+ usingBundle);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (cands.length && transceiver.iceTransport.state === 'new') {
|
|
|
+ if (isComplete && (!usingBundle || sdpMLineIndex === 0)) {
|
|
|
+ transceiver.iceTransport.setRemoteCandidates(cands);
|
|
|
+ } else {
|
|
|
+ cands.forEach(function(candidate) {
|
|
|
+ maybeAddCandidate(transceiver.iceTransport, candidate);
|
|
|
+ });
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ localCapabilities = window.RTCRtpReceiver.getCapabilities(kind);
|
|
|
+
|
|
|
+ // filter RTX until additional stuff needed for RTX is implemented
|
|
|
+ // in adapter.js
|
|
|
+ if (edgeVersion < 15019) {
|
|
|
+ localCapabilities.codecs = localCapabilities.codecs.filter(
|
|
|
+ function(codec) {
|
|
|
+ return codec.name !== 'rtx';
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ sendEncodingParameters = transceiver.sendEncodingParameters || [{
|
|
|
+ ssrc: (2 * sdpMLineIndex + 2) * 1001
|
|
|
+ }];
|
|
|
+
|
|
|
+ // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams
|
|
|
+ var isNewTrack = false;
|
|
|
+ if (direction === 'sendrecv' || direction === 'sendonly') {
|
|
|
+ isNewTrack = !transceiver.rtpReceiver;
|
|
|
+ rtpReceiver = transceiver.rtpReceiver ||
|
|
|
+ new window.RTCRtpReceiver(transceiver.dtlsTransport, kind);
|
|
|
+
|
|
|
+ if (isNewTrack) {
|
|
|
+ var stream;
|
|
|
+ track = rtpReceiver.track;
|
|
|
+ // FIXME: does not work with Plan B.
|
|
|
+ if (remoteMsid && remoteMsid.stream === '-') {
|
|
|
+ // no-op. a stream id of '-' means: no associated stream.
|
|
|
+ } else if (remoteMsid) {
|
|
|
+ if (!streams[remoteMsid.stream]) {
|
|
|
+ streams[remoteMsid.stream] = new window.MediaStream();
|
|
|
+ Object.defineProperty(streams[remoteMsid.stream], 'id', {
|
|
|
+ get: function() {
|
|
|
+ return remoteMsid.stream;
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+ Object.defineProperty(track, 'id', {
|
|
|
+ get: function() {
|
|
|
+ return remoteMsid.track;
|
|
|
+ }
|
|
|
+ });
|
|
|
+ stream = streams[remoteMsid.stream];
|
|
|
+ } else {
|
|
|
+ if (!streams.default) {
|
|
|
+ streams.default = new window.MediaStream();
|
|
|
+ }
|
|
|
+ stream = streams.default;
|
|
|
+ }
|
|
|
+ if (stream) {
|
|
|
+ addTrackToStreamAndFireEvent(track, stream);
|
|
|
+ transceiver.associatedRemoteMediaStreams.push(stream);
|
|
|
+ }
|
|
|
+ receiverList.push([track, rtpReceiver, stream]);
|
|
|
+ }
|
|
|
+ } else if (transceiver.rtpReceiver && transceiver.rtpReceiver.track) {
|
|
|
+ transceiver.associatedRemoteMediaStreams.forEach(function(s) {
|
|
|
+ var nativeTrack = s.getTracks().find(function(t) {
|
|
|
+ return t.id === transceiver.rtpReceiver.track.id;
|
|
|
+ });
|
|
|
+ if (nativeTrack) {
|
|
|
+ removeTrackFromStreamAndFireEvent(nativeTrack, s);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ transceiver.associatedRemoteMediaStreams = [];
|
|
|
+ }
|
|
|
+
|
|
|
+ transceiver.localCapabilities = localCapabilities;
|
|
|
+ transceiver.remoteCapabilities = remoteCapabilities;
|
|
|
+ transceiver.rtpReceiver = rtpReceiver;
|
|
|
+ transceiver.rtcpParameters = rtcpParameters;
|
|
|
+ transceiver.sendEncodingParameters = sendEncodingParameters;
|
|
|
+ transceiver.recvEncodingParameters = recvEncodingParameters;
|
|
|
+
|
|
|
+ // Start the RTCRtpReceiver now. The RTPSender is started in
|
|
|
+ // setLocalDescription.
|
|
|
+ pc._transceive(pc.transceivers[sdpMLineIndex],
|
|
|
+ false,
|
|
|
+ isNewTrack);
|
|
|
+ } else if (description.type === 'answer' && !rejected) {
|
|
|
+ transceiver = pc.transceivers[sdpMLineIndex];
|
|
|
+ iceGatherer = transceiver.iceGatherer;
|
|
|
+ iceTransport = transceiver.iceTransport;
|
|
|
+ dtlsTransport = transceiver.dtlsTransport;
|
|
|
+ rtpReceiver = transceiver.rtpReceiver;
|
|
|
+ sendEncodingParameters = transceiver.sendEncodingParameters;
|
|
|
+ localCapabilities = transceiver.localCapabilities;
|
|
|
+
|
|
|
+ pc.transceivers[sdpMLineIndex].recvEncodingParameters =
|
|
|
+ recvEncodingParameters;
|
|
|
+ pc.transceivers[sdpMLineIndex].remoteCapabilities =
|
|
|
+ remoteCapabilities;
|
|
|
+ pc.transceivers[sdpMLineIndex].rtcpParameters = rtcpParameters;
|
|
|
+
|
|
|
+ if (cands.length && iceTransport.state === 'new') {
|
|
|
+ if ((isIceLite || isComplete) &&
|
|
|
+ (!usingBundle || sdpMLineIndex === 0)) {
|
|
|
+ iceTransport.setRemoteCandidates(cands);
|
|
|
+ } else {
|
|
|
+ cands.forEach(function(candidate) {
|
|
|
+ maybeAddCandidate(transceiver.iceTransport, candidate);
|
|
|
+ });
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!usingBundle || sdpMLineIndex === 0) {
|
|
|
+ if (iceTransport.state === 'new') {
|
|
|
+ iceTransport.start(iceGatherer, remoteIceParameters,
|
|
|
+ 'controlling');
|
|
|
+ }
|
|
|
+ if (dtlsTransport.state === 'new') {
|
|
|
+ dtlsTransport.start(remoteDtlsParameters);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // If the offer contained RTX but the answer did not,
|
|
|
+ // remove RTX from sendEncodingParameters.
|
|
|
+ var commonCapabilities = getCommonCapabilities(
|
|
|
+ transceiver.localCapabilities,
|
|
|
+ transceiver.remoteCapabilities);
|
|
|
+
|
|
|
+ var hasRtx = commonCapabilities.codecs.filter(function(c) {
|
|
|
+ return c.name.toLowerCase() === 'rtx';
|
|
|
+ }).length;
|
|
|
+ if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) {
|
|
|
+ delete transceiver.sendEncodingParameters[0].rtx;
|
|
|
+ }
|
|
|
+
|
|
|
+ pc._transceive(transceiver,
|
|
|
+ direction === 'sendrecv' || direction === 'recvonly',
|
|
|
+ direction === 'sendrecv' || direction === 'sendonly');
|
|
|
+
|
|
|
+ // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams
|
|
|
+ if (rtpReceiver &&
|
|
|
+ (direction === 'sendrecv' || direction === 'sendonly')) {
|
|
|
+ track = rtpReceiver.track;
|
|
|
+ if (remoteMsid) {
|
|
|
+ if (!streams[remoteMsid.stream]) {
|
|
|
+ streams[remoteMsid.stream] = new window.MediaStream();
|
|
|
+ }
|
|
|
+ addTrackToStreamAndFireEvent(track, streams[remoteMsid.stream]);
|
|
|
+ receiverList.push([track, rtpReceiver, streams[remoteMsid.stream]]);
|
|
|
+ } else {
|
|
|
+ if (!streams.default) {
|
|
|
+ streams.default = new window.MediaStream();
|
|
|
+ }
|
|
|
+ addTrackToStreamAndFireEvent(track, streams.default);
|
|
|
+ receiverList.push([track, rtpReceiver, streams.default]);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ // FIXME: actually the receiver should be created later.
|
|
|
+ delete transceiver.rtpReceiver;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ if (pc._dtlsRole === undefined) {
|
|
|
+ pc._dtlsRole = description.type === 'offer' ? 'active' : 'passive';
|
|
|
+ }
|
|
|
+
|
|
|
+ pc._remoteDescription = {
|
|
|
+ type: description.type,
|
|
|
+ sdp: description.sdp
|
|
|
+ };
|
|
|
+ if (description.type === 'offer') {
|
|
|
+ pc._updateSignalingState('have-remote-offer');
|
|
|
+ } else {
|
|
|
+ pc._updateSignalingState('stable');
|
|
|
+ }
|
|
|
+ Object.keys(streams).forEach(function(sid) {
|
|
|
+ var stream = streams[sid];
|
|
|
+ if (stream.getTracks().length) {
|
|
|
+ if (pc.remoteStreams.indexOf(stream) === -1) {
|
|
|
+ pc.remoteStreams.push(stream);
|
|
|
+ var event = new Event('addstream');
|
|
|
+ event.stream = stream;
|
|
|
+ window.setTimeout(function() {
|
|
|
+ pc._dispatchEvent('addstream', event);
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ receiverList.forEach(function(item) {
|
|
|
+ var track = item[0];
|
|
|
+ var receiver = item[1];
|
|
|
+ if (stream.id !== item[2].id) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ fireAddTrack(pc, track, receiver, [stream]);
|
|
|
+ });
|
|
|
+ }
|
|
|
+ });
|
|
|
+ receiverList.forEach(function(item) {
|
|
|
+ if (item[2]) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ fireAddTrack(pc, item[0], item[1], []);
|
|
|
+ });
|
|
|
+
|
|
|
+ // check whether addIceCandidate({}) was called within four seconds after
|
|
|
+ // setRemoteDescription.
|
|
|
+ window.setTimeout(function() {
|
|
|
+ if (!(pc && pc.transceivers)) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ pc.transceivers.forEach(function(transceiver) {
|
|
|
+ if (transceiver.iceTransport &&
|
|
|
+ transceiver.iceTransport.state === 'new' &&
|
|
|
+ transceiver.iceTransport.getRemoteCandidates().length > 0) {
|
|
|
+ console.warn('Timeout for addRemoteCandidate. Consider sending ' +
|
|
|
+ 'an end-of-candidates notification');
|
|
|
+ transceiver.iceTransport.addRemoteCandidate({});
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }, 4000);
|
|
|
+
|
|
|
+ return Promise.resolve();
|
|
|
+ };
|
|
|
+
|
|
|
+ RTCPeerConnection.prototype.close = function() {
|
|
|
+ this.transceivers.forEach(function(transceiver) {
|
|
|
+ /* not yet
|
|
|
+ if (transceiver.iceGatherer) {
|
|
|
+ transceiver.iceGatherer.close();
|
|
|
+ }
|
|
|
+ */
|
|
|
+ if (transceiver.iceTransport) {
|
|
|
+ transceiver.iceTransport.stop();
|
|
|
+ }
|
|
|
+ if (transceiver.dtlsTransport) {
|
|
|
+ transceiver.dtlsTransport.stop();
|
|
|
+ }
|
|
|
+ if (transceiver.rtpSender) {
|
|
|
+ transceiver.rtpSender.stop();
|
|
|
+ }
|
|
|
+ if (transceiver.rtpReceiver) {
|
|
|
+ transceiver.rtpReceiver.stop();
|
|
|
+ }
|
|
|
+ });
|
|
|
+ // FIXME: clean up tracks, local streams, remote streams, etc
|
|
|
+ this._isClosed = true;
|
|
|
+ this._updateSignalingState('closed');
|
|
|
+ };
|
|
|
+
|
|
|
+ // Update the signaling state.
|
|
|
+ RTCPeerConnection.prototype._updateSignalingState = function(newState) {
|
|
|
+ this.signalingState = newState;
|
|
|
+ var event = new Event('signalingstatechange');
|
|
|
+ this._dispatchEvent('signalingstatechange', event);
|
|
|
+ };
|
|
|
+
|
|
|
+ // Determine whether to fire the negotiationneeded event.
|
|
|
+ RTCPeerConnection.prototype._maybeFireNegotiationNeeded = function() {
|
|
|
+ var pc = this;
|
|
|
+ if (this.signalingState !== 'stable' || this.needNegotiation === true) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ this.needNegotiation = true;
|
|
|
+ window.setTimeout(function() {
|
|
|
+ if (pc.needNegotiation) {
|
|
|
+ pc.needNegotiation = false;
|
|
|
+ var event = new Event('negotiationneeded');
|
|
|
+ pc._dispatchEvent('negotiationneeded', event);
|
|
|
+ }
|
|
|
+ }, 0);
|
|
|
+ };
|
|
|
+
|
|
|
+ // Update the ice connection state.
|
|
|
+ RTCPeerConnection.prototype._updateIceConnectionState = function() {
|
|
|
+ var newState;
|
|
|
+ var states = {
|
|
|
+ 'new': 0,
|
|
|
+ closed: 0,
|
|
|
+ checking: 0,
|
|
|
+ connected: 0,
|
|
|
+ completed: 0,
|
|
|
+ disconnected: 0,
|
|
|
+ failed: 0
|
|
|
+ };
|
|
|
+ this.transceivers.forEach(function(transceiver) {
|
|
|
+ if (transceiver.iceTransport && !transceiver.rejected) {
|
|
|
+ states[transceiver.iceTransport.state]++;
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ newState = 'new';
|
|
|
+ if (states.failed > 0) {
|
|
|
+ newState = 'failed';
|
|
|
+ } else if (states.checking > 0) {
|
|
|
+ newState = 'checking';
|
|
|
+ } else if (states.disconnected > 0) {
|
|
|
+ newState = 'disconnected';
|
|
|
+ } else if (states.new > 0) {
|
|
|
+ newState = 'new';
|
|
|
+ } else if (states.connected > 0) {
|
|
|
+ newState = 'connected';
|
|
|
+ } else if (states.completed > 0) {
|
|
|
+ newState = 'completed';
|
|
|
+ }
|
|
|
+
|
|
|
+ if (newState !== this.iceConnectionState) {
|
|
|
+ this.iceConnectionState = newState;
|
|
|
+ var event = new Event('iceconnectionstatechange');
|
|
|
+ this._dispatchEvent('iceconnectionstatechange', event);
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ // Update the connection state.
|
|
|
+ RTCPeerConnection.prototype._updateConnectionState = function() {
|
|
|
+ var newState;
|
|
|
+ var states = {
|
|
|
+ 'new': 0,
|
|
|
+ closed: 0,
|
|
|
+ connecting: 0,
|
|
|
+ connected: 0,
|
|
|
+ completed: 0,
|
|
|
+ disconnected: 0,
|
|
|
+ failed: 0
|
|
|
+ };
|
|
|
+ this.transceivers.forEach(function(transceiver) {
|
|
|
+ if (transceiver.iceTransport && transceiver.dtlsTransport &&
|
|
|
+ !transceiver.rejected) {
|
|
|
+ states[transceiver.iceTransport.state]++;
|
|
|
+ states[transceiver.dtlsTransport.state]++;
|
|
|
+ }
|
|
|
+ });
|
|
|
+ // ICETransport.completed and connected are the same for this purpose.
|
|
|
+ states.connected += states.completed;
|
|
|
+
|
|
|
+ newState = 'new';
|
|
|
+ if (states.failed > 0) {
|
|
|
+ newState = 'failed';
|
|
|
+ } else if (states.connecting > 0) {
|
|
|
+ newState = 'connecting';
|
|
|
+ } else if (states.disconnected > 0) {
|
|
|
+ newState = 'disconnected';
|
|
|
+ } else if (states.new > 0) {
|
|
|
+ newState = 'new';
|
|
|
+ } else if (states.connected > 0) {
|
|
|
+ newState = 'connected';
|
|
|
+ }
|
|
|
+
|
|
|
+ if (newState !== this.connectionState) {
|
|
|
+ this.connectionState = newState;
|
|
|
+ var event = new Event('connectionstatechange');
|
|
|
+ this._dispatchEvent('connectionstatechange', event);
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ RTCPeerConnection.prototype.createOffer = function() {
|
|
|
+ var pc = this;
|
|
|
+
|
|
|
+ if (pc._isClosed) {
|
|
|
+ return Promise.reject(makeError('InvalidStateError',
|
|
|
+ 'Can not call createOffer after close'));
|
|
|
+ }
|
|
|
+
|
|
|
+ var numAudioTracks = pc.transceivers.filter(function(t) {
|
|
|
+ return t.kind === 'audio';
|
|
|
+ }).length;
|
|
|
+ var numVideoTracks = pc.transceivers.filter(function(t) {
|
|
|
+ return t.kind === 'video';
|
|
|
+ }).length;
|
|
|
+
|
|
|
+ // Determine number of audio and video tracks we need to send/recv.
|
|
|
+ var offerOptions = arguments[0];
|
|
|
+ if (offerOptions) {
|
|
|
+ // Reject Chrome legacy constraints.
|
|
|
+ if (offerOptions.mandatory || offerOptions.optional) {
|
|
|
+ throw new TypeError(
|
|
|
+ 'Legacy mandatory/optional constraints not supported.');
|
|
|
+ }
|
|
|
+ if (offerOptions.offerToReceiveAudio !== undefined) {
|
|
|
+ if (offerOptions.offerToReceiveAudio === true) {
|
|
|
+ numAudioTracks = 1;
|
|
|
+ } else if (offerOptions.offerToReceiveAudio === false) {
|
|
|
+ numAudioTracks = 0;
|
|
|
+ } else {
|
|
|
+ numAudioTracks = offerOptions.offerToReceiveAudio;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (offerOptions.offerToReceiveVideo !== undefined) {
|
|
|
+ if (offerOptions.offerToReceiveVideo === true) {
|
|
|
+ numVideoTracks = 1;
|
|
|
+ } else if (offerOptions.offerToReceiveVideo === false) {
|
|
|
+ numVideoTracks = 0;
|
|
|
+ } else {
|
|
|
+ numVideoTracks = offerOptions.offerToReceiveVideo;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ pc.transceivers.forEach(function(transceiver) {
|
|
|
+ if (transceiver.kind === 'audio') {
|
|
|
+ numAudioTracks--;
|
|
|
+ if (numAudioTracks < 0) {
|
|
|
+ transceiver.wantReceive = false;
|
|
|
+ }
|
|
|
+ } else if (transceiver.kind === 'video') {
|
|
|
+ numVideoTracks--;
|
|
|
+ if (numVideoTracks < 0) {
|
|
|
+ transceiver.wantReceive = false;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ // Create M-lines for recvonly streams.
|
|
|
+ while (numAudioTracks > 0 || numVideoTracks > 0) {
|
|
|
+ if (numAudioTracks > 0) {
|
|
|
+ pc._createTransceiver('audio');
|
|
|
+ numAudioTracks--;
|
|
|
+ }
|
|
|
+ if (numVideoTracks > 0) {
|
|
|
+ pc._createTransceiver('video');
|
|
|
+ numVideoTracks--;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ var sdp = SDPUtils.writeSessionBoilerplate(pc._sdpSessionId,
|
|
|
+ pc._sdpSessionVersion++);
|
|
|
+ pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {
|
|
|
+ // For each track, create an ice gatherer, ice transport,
|
|
|
+ // dtls transport, potentially rtpsender and rtpreceiver.
|
|
|
+ var track = transceiver.track;
|
|
|
+ var kind = transceiver.kind;
|
|
|
+ var mid = transceiver.mid || SDPUtils.generateIdentifier();
|
|
|
+ transceiver.mid = mid;
|
|
|
+
|
|
|
+ if (!transceiver.iceGatherer) {
|
|
|
+ transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,
|
|
|
+ pc.usingBundle);
|
|
|
+ }
|
|
|
+
|
|
|
+ var localCapabilities = window.RTCRtpSender.getCapabilities(kind);
|
|
|
+ // filter RTX until additional stuff needed for RTX is implemented
|
|
|
+ // in adapter.js
|
|
|
+ if (edgeVersion < 15019) {
|
|
|
+ localCapabilities.codecs = localCapabilities.codecs.filter(
|
|
|
+ function(codec) {
|
|
|
+ return codec.name !== 'rtx';
|
|
|
+ });
|
|
|
+ }
|
|
|
+ localCapabilities.codecs.forEach(function(codec) {
|
|
|
+ // work around https://bugs.chromium.org/p/webrtc/issues/detail?id=6552
|
|
|
+ // by adding level-asymmetry-allowed=1
|
|
|
+ if (codec.name === 'H264' &&
|
|
|
+ codec.parameters['level-asymmetry-allowed'] === undefined) {
|
|
|
+ codec.parameters['level-asymmetry-allowed'] = '1';
|
|
|
+ }
|
|
|
+
|
|
|
+ // for subsequent offers, we might have to re-use the payload
|
|
|
+ // type of the last offer.
|
|
|
+ if (transceiver.remoteCapabilities &&
|
|
|
+ transceiver.remoteCapabilities.codecs) {
|
|
|
+ transceiver.remoteCapabilities.codecs.forEach(function(remoteCodec) {
|
|
|
+ if (codec.name.toLowerCase() === remoteCodec.name.toLowerCase() &&
|
|
|
+ codec.clockRate === remoteCodec.clockRate) {
|
|
|
+ codec.preferredPayloadType = remoteCodec.payloadType;
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+ });
|
|
|
+ localCapabilities.headerExtensions.forEach(function(hdrExt) {
|
|
|
+ var remoteExtensions = transceiver.remoteCapabilities &&
|
|
|
+ transceiver.remoteCapabilities.headerExtensions || [];
|
|
|
+ remoteExtensions.forEach(function(rHdrExt) {
|
|
|
+ if (hdrExt.uri === rHdrExt.uri) {
|
|
|
+ hdrExt.id = rHdrExt.id;
|
|
|
+ }
|
|
|
+ });
|
|
|
+ });
|
|
|
+
|
|
|
+ // generate an ssrc now, to be used later in rtpSender.send
|
|
|
+ var sendEncodingParameters = transceiver.sendEncodingParameters || [{
|
|
|
+ ssrc: (2 * sdpMLineIndex + 1) * 1001
|
|
|
+ }];
|
|
|
+ if (track) {
|
|
|
+ // add RTX
|
|
|
+ if (edgeVersion >= 15019 && kind === 'video' &&
|
|
|
+ !sendEncodingParameters[0].rtx) {
|
|
|
+ sendEncodingParameters[0].rtx = {
|
|
|
+ ssrc: sendEncodingParameters[0].ssrc + 1
|
|
|
+ };
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (transceiver.wantReceive) {
|
|
|
+ transceiver.rtpReceiver = new window.RTCRtpReceiver(
|
|
|
+ transceiver.dtlsTransport, kind);
|
|
|
+ }
|
|
|
+
|
|
|
+ transceiver.localCapabilities = localCapabilities;
|
|
|
+ transceiver.sendEncodingParameters = sendEncodingParameters;
|
|
|
+ });
|
|
|
+
|
|
|
+ // always offer BUNDLE and dispose on return if not supported.
|
|
|
+ if (pc._config.bundlePolicy !== 'max-compat') {
|
|
|
+ sdp += 'a=group:BUNDLE ' + pc.transceivers.map(function(t) {
|
|
|
+ return t.mid;
|
|
|
+ }).join(' ') + '\r\n';
|
|
|
+ }
|
|
|
+ sdp += 'a=ice-options:trickle\r\n';
|
|
|
+
|
|
|
+ pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {
|
|
|
+ sdp += writeMediaSection(transceiver, transceiver.localCapabilities,
|
|
|
+ 'offer', transceiver.stream, pc._dtlsRole);
|
|
|
+ sdp += 'a=rtcp-rsize\r\n';
|
|
|
+
|
|
|
+ if (transceiver.iceGatherer && pc.iceGatheringState !== 'new' &&
|
|
|
+ (sdpMLineIndex === 0 || !pc.usingBundle)) {
|
|
|
+ transceiver.iceGatherer.getLocalCandidates().forEach(function(cand) {
|
|
|
+ cand.component = 1;
|
|
|
+ sdp += 'a=' + SDPUtils.writeCandidate(cand) + '\r\n';
|
|
|
+ });
|
|
|
+
|
|
|
+ if (transceiver.iceGatherer.state === 'completed') {
|
|
|
+ sdp += 'a=end-of-candidates\r\n';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ var desc = new window.RTCSessionDescription({
|
|
|
+ type: 'offer',
|
|
|
+ sdp: sdp
|
|
|
+ });
|
|
|
+ return Promise.resolve(desc);
|
|
|
+ };
|
|
|
+
|
|
|
+ RTCPeerConnection.prototype.createAnswer = function() {
|
|
|
+ var pc = this;
|
|
|
+
|
|
|
+ if (pc._isClosed) {
|
|
|
+ return Promise.reject(makeError('InvalidStateError',
|
|
|
+ 'Can not call createAnswer after close'));
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!(pc.signalingState === 'have-remote-offer' ||
|
|
|
+ pc.signalingState === 'have-local-pranswer')) {
|
|
|
+ return Promise.reject(makeError('InvalidStateError',
|
|
|
+ 'Can not call createAnswer in signalingState ' + pc.signalingState));
|
|
|
+ }
|
|
|
+
|
|
|
+ var sdp = SDPUtils.writeSessionBoilerplate(pc._sdpSessionId,
|
|
|
+ pc._sdpSessionVersion++);
|
|
|
+ if (pc.usingBundle) {
|
|
|
+ sdp += 'a=group:BUNDLE ' + pc.transceivers.map(function(t) {
|
|
|
+ return t.mid;
|
|
|
+ }).join(' ') + '\r\n';
|
|
|
+ }
|
|
|
+ sdp += 'a=ice-options:trickle\r\n';
|
|
|
+
|
|
|
+ var mediaSectionsInOffer = SDPUtils.getMediaSections(
|
|
|
+ pc._remoteDescription.sdp).length;
|
|
|
+ pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {
|
|
|
+ if (sdpMLineIndex + 1 > mediaSectionsInOffer) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ if (transceiver.rejected) {
|
|
|
+ if (transceiver.kind === 'application') {
|
|
|
+ if (transceiver.protocol === 'DTLS/SCTP') { // legacy fmt
|
|
|
+ sdp += 'm=application 0 DTLS/SCTP 5000\r\n';
|
|
|
+ } else {
|
|
|
+ sdp += 'm=application 0 ' + transceiver.protocol +
|
|
|
+ ' webrtc-datachannel\r\n';
|
|
|
+ }
|
|
|
+ } else if (transceiver.kind === 'audio') {
|
|
|
+ sdp += 'm=audio 0 UDP/TLS/RTP/SAVPF 0\r\n' +
|
|
|
+ 'a=rtpmap:0 PCMU/8000\r\n';
|
|
|
+ } else if (transceiver.kind === 'video') {
|
|
|
+ sdp += 'm=video 0 UDP/TLS/RTP/SAVPF 120\r\n' +
|
|
|
+ 'a=rtpmap:120 VP8/90000\r\n';
|
|
|
+ }
|
|
|
+ sdp += 'c=IN IP4 0.0.0.0\r\n' +
|
|
|
+ 'a=inactive\r\n' +
|
|
|
+ 'a=mid:' + transceiver.mid + '\r\n';
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ // FIXME: look at direction.
|
|
|
+ if (transceiver.stream) {
|
|
|
+ var localTrack;
|
|
|
+ if (transceiver.kind === 'audio') {
|
|
|
+ localTrack = transceiver.stream.getAudioTracks()[0];
|
|
|
+ } else if (transceiver.kind === 'video') {
|
|
|
+ localTrack = transceiver.stream.getVideoTracks()[0];
|
|
|
+ }
|
|
|
+ if (localTrack) {
|
|
|
+ // add RTX
|
|
|
+ if (edgeVersion >= 15019 && transceiver.kind === 'video' &&
|
|
|
+ !transceiver.sendEncodingParameters[0].rtx) {
|
|
|
+ transceiver.sendEncodingParameters[0].rtx = {
|
|
|
+ ssrc: transceiver.sendEncodingParameters[0].ssrc + 1
|
|
|
+ };
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // Calculate intersection of capabilities.
|
|
|
+ var commonCapabilities = getCommonCapabilities(
|
|
|
+ transceiver.localCapabilities,
|
|
|
+ transceiver.remoteCapabilities);
|
|
|
+
|
|
|
+ var hasRtx = commonCapabilities.codecs.filter(function(c) {
|
|
|
+ return c.name.toLowerCase() === 'rtx';
|
|
|
+ }).length;
|
|
|
+ if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) {
|
|
|
+ delete transceiver.sendEncodingParameters[0].rtx;
|
|
|
+ }
|
|
|
+
|
|
|
+ sdp += writeMediaSection(transceiver, commonCapabilities,
|
|
|
+ 'answer', transceiver.stream, pc._dtlsRole);
|
|
|
+ if (transceiver.rtcpParameters &&
|
|
|
+ transceiver.rtcpParameters.reducedSize) {
|
|
|
+ sdp += 'a=rtcp-rsize\r\n';
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ var desc = new window.RTCSessionDescription({
|
|
|
+ type: 'answer',
|
|
|
+ sdp: sdp
|
|
|
+ });
|
|
|
+ return Promise.resolve(desc);
|
|
|
+ };
|
|
|
+
|
|
|
+ RTCPeerConnection.prototype.addIceCandidate = function(candidate) {
|
|
|
+ var pc = this;
|
|
|
+ var sections;
|
|
|
+ if (candidate && !(candidate.sdpMLineIndex !== undefined ||
|
|
|
+ candidate.sdpMid)) {
|
|
|
+ return Promise.reject(new TypeError('sdpMLineIndex or sdpMid required'));
|
|
|
+ }
|
|
|
+
|
|
|
+ // TODO: needs to go into ops queue.
|
|
|
+ return new Promise(function(resolve, reject) {
|
|
|
+ if (!pc._remoteDescription) {
|
|
|
+ return reject(makeError('InvalidStateError',
|
|
|
+ 'Can not add ICE candidate without a remote description'));
|
|
|
+ } else if (!candidate || candidate.candidate === '') {
|
|
|
+ for (var j = 0; j < pc.transceivers.length; j++) {
|
|
|
+ if (pc.transceivers[j].rejected) {
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ pc.transceivers[j].iceTransport.addRemoteCandidate({});
|
|
|
+ sections = SDPUtils.getMediaSections(pc._remoteDescription.sdp);
|
|
|
+ sections[j] += 'a=end-of-candidates\r\n';
|
|
|
+ pc._remoteDescription.sdp =
|
|
|
+ SDPUtils.getDescription(pc._remoteDescription.sdp) +
|
|
|
+ sections.join('');
|
|
|
+ if (pc.usingBundle) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ var sdpMLineIndex = candidate.sdpMLineIndex;
|
|
|
+ if (candidate.sdpMid) {
|
|
|
+ for (var i = 0; i < pc.transceivers.length; i++) {
|
|
|
+ if (pc.transceivers[i].mid === candidate.sdpMid) {
|
|
|
+ sdpMLineIndex = i;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ var transceiver = pc.transceivers[sdpMLineIndex];
|
|
|
+ if (transceiver) {
|
|
|
+ if (transceiver.rejected) {
|
|
|
+ return resolve();
|
|
|
+ }
|
|
|
+ var cand = Object.keys(candidate.candidate).length > 0 ?
|
|
|
+ SDPUtils.parseCandidate(candidate.candidate) : {};
|
|
|
+ // Ignore Chrome's invalid candidates since Edge does not like them.
|
|
|
+ if (cand.protocol === 'tcp' && (cand.port === 0 || cand.port === 9)) {
|
|
|
+ return resolve();
|
|
|
+ }
|
|
|
+ // Ignore RTCP candidates, we assume RTCP-MUX.
|
|
|
+ if (cand.component && cand.component !== 1) {
|
|
|
+ return resolve();
|
|
|
+ }
|
|
|
+ // when using bundle, avoid adding candidates to the wrong
|
|
|
+ // ice transport. And avoid adding candidates added in the SDP.
|
|
|
+ if (sdpMLineIndex === 0 || (sdpMLineIndex > 0 &&
|
|
|
+ transceiver.iceTransport !== pc.transceivers[0].iceTransport)) {
|
|
|
+ if (!maybeAddCandidate(transceiver.iceTransport, cand)) {
|
|
|
+ return reject(makeError('OperationError',
|
|
|
+ 'Can not add ICE candidate'));
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // update the remoteDescription.
|
|
|
+ var candidateString = candidate.candidate.trim();
|
|
|
+ if (candidateString.indexOf('a=') === 0) {
|
|
|
+ candidateString = candidateString.substr(2);
|
|
|
+ }
|
|
|
+ sections = SDPUtils.getMediaSections(pc._remoteDescription.sdp);
|
|
|
+ sections[sdpMLineIndex] += 'a=' +
|
|
|
+ (cand.type ? candidateString : 'end-of-candidates')
|
|
|
+ + '\r\n';
|
|
|
+ pc._remoteDescription.sdp =
|
|
|
+ SDPUtils.getDescription(pc._remoteDescription.sdp) +
|
|
|
+ sections.join('');
|
|
|
+ } else {
|
|
|
+ return reject(makeError('OperationError',
|
|
|
+ 'Can not add ICE candidate'));
|
|
|
+ }
|
|
|
+ }
|
|
|
+ resolve();
|
|
|
+ });
|
|
|
+ };
|
|
|
+
|
|
|
+ RTCPeerConnection.prototype.getStats = function(selector) {
|
|
|
+ if (selector && selector instanceof window.MediaStreamTrack) {
|
|
|
+ var senderOrReceiver = null;
|
|
|
+ this.transceivers.forEach(function(transceiver) {
|
|
|
+ if (transceiver.rtpSender &&
|
|
|
+ transceiver.rtpSender.track === selector) {
|
|
|
+ senderOrReceiver = transceiver.rtpSender;
|
|
|
+ } else if (transceiver.rtpReceiver &&
|
|
|
+ transceiver.rtpReceiver.track === selector) {
|
|
|
+ senderOrReceiver = transceiver.rtpReceiver;
|
|
|
+ }
|
|
|
+ });
|
|
|
+ if (!senderOrReceiver) {
|
|
|
+ throw makeError('InvalidAccessError', 'Invalid selector.');
|
|
|
+ }
|
|
|
+ return senderOrReceiver.getStats();
|
|
|
+ }
|
|
|
+
|
|
|
+ var promises = [];
|
|
|
+ this.transceivers.forEach(function(transceiver) {
|
|
|
+ ['rtpSender', 'rtpReceiver', 'iceGatherer', 'iceTransport',
|
|
|
+ 'dtlsTransport'].forEach(function(method) {
|
|
|
+ if (transceiver[method]) {
|
|
|
+ promises.push(transceiver[method].getStats());
|
|
|
+ }
|
|
|
+ });
|
|
|
+ });
|
|
|
+ return Promise.all(promises).then(function(allStats) {
|
|
|
+ var results = new Map();
|
|
|
+ allStats.forEach(function(stats) {
|
|
|
+ stats.forEach(function(stat) {
|
|
|
+ results.set(stat.id, stat);
|
|
|
+ });
|
|
|
+ });
|
|
|
+ return results;
|
|
|
+ });
|
|
|
+ };
|
|
|
+
|
|
|
+ // fix low-level stat names and return Map instead of object.
|
|
|
+ var ortcObjects = ['RTCRtpSender', 'RTCRtpReceiver', 'RTCIceGatherer',
|
|
|
+ 'RTCIceTransport', 'RTCDtlsTransport'];
|
|
|
+ ortcObjects.forEach(function(ortcObjectName) {
|
|
|
+ var obj = window[ortcObjectName];
|
|
|
+ if (obj && obj.prototype && obj.prototype.getStats) {
|
|
|
+ var nativeGetstats = obj.prototype.getStats;
|
|
|
+ obj.prototype.getStats = function() {
|
|
|
+ return nativeGetstats.apply(this)
|
|
|
+ .then(function(nativeStats) {
|
|
|
+ var mapStats = new Map();
|
|
|
+ Object.keys(nativeStats).forEach(function(id) {
|
|
|
+ nativeStats[id].type = fixStatsType(nativeStats[id]);
|
|
|
+ mapStats.set(id, nativeStats[id]);
|
|
|
+ });
|
|
|
+ return mapStats;
|
|
|
+ });
|
|
|
+ };
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ // legacy callback shims. Should be moved to adapter.js some days.
|
|
|
+ var methods = ['createOffer', 'createAnswer'];
|
|
|
+ methods.forEach(function(method) {
|
|
|
+ var nativeMethod = RTCPeerConnection.prototype[method];
|
|
|
+ RTCPeerConnection.prototype[method] = function() {
|
|
|
+ var args = arguments;
|
|
|
+ if (typeof args[0] === 'function' ||
|
|
|
+ typeof args[1] === 'function') { // legacy
|
|
|
+ return nativeMethod.apply(this, [arguments[2]])
|
|
|
+ .then(function(description) {
|
|
|
+ if (typeof args[0] === 'function') {
|
|
|
+ args[0].apply(null, [description]);
|
|
|
+ }
|
|
|
+ }, function(error) {
|
|
|
+ if (typeof args[1] === 'function') {
|
|
|
+ args[1].apply(null, [error]);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+ return nativeMethod.apply(this, arguments);
|
|
|
+ };
|
|
|
+ });
|
|
|
+
|
|
|
+ methods = ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'];
|
|
|
+ methods.forEach(function(method) {
|
|
|
+ var nativeMethod = RTCPeerConnection.prototype[method];
|
|
|
+ RTCPeerConnection.prototype[method] = function() {
|
|
|
+ var args = arguments;
|
|
|
+ if (typeof args[1] === 'function' ||
|
|
|
+ typeof args[2] === 'function') { // legacy
|
|
|
+ return nativeMethod.apply(this, arguments)
|
|
|
+ .then(function() {
|
|
|
+ if (typeof args[1] === 'function') {
|
|
|
+ args[1].apply(null);
|
|
|
+ }
|
|
|
+ }, function(error) {
|
|
|
+ if (typeof args[2] === 'function') {
|
|
|
+ args[2].apply(null, [error]);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+ return nativeMethod.apply(this, arguments);
|
|
|
+ };
|
|
|
+ });
|
|
|
+
|
|
|
+ // getStats is special. It doesn't have a spec legacy method yet we support
|
|
|
+ // getStats(something, cb) without error callbacks.
|
|
|
+ ['getStats'].forEach(function(method) {
|
|
|
+ var nativeMethod = RTCPeerConnection.prototype[method];
|
|
|
+ RTCPeerConnection.prototype[method] = function() {
|
|
|
+ var args = arguments;
|
|
|
+ if (typeof args[1] === 'function') {
|
|
|
+ return nativeMethod.apply(this, arguments)
|
|
|
+ .then(function() {
|
|
|
+ if (typeof args[1] === 'function') {
|
|
|
+ args[1].apply(null);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+ return nativeMethod.apply(this, arguments);
|
|
|
+ };
|
|
|
+ });
|
|
|
+
|
|
|
+ return RTCPeerConnection;
|
|
|
+};
|
|
|
+
|
|
|
+},{"sdp":17}],17:[function(require,module,exports){
|
|
|
+ /* eslint-env node */
|
|
|
+'use strict';
|
|
|
+
|
|
|
+// SDP helpers.
|
|
|
+var SDPUtils = {};
|
|
|
+
|
|
|
+// Generate an alphanumeric identifier for cname or mids.
|
|
|
+// TODO: use UUIDs instead? https://gist.github.com/jed/982883
|
|
|
+SDPUtils.generateIdentifier = function() {
|
|
|
+ return Math.random().toString(36).substr(2, 10);
|
|
|
+};
|
|
|
+
|
|
|
+// The RTCP CNAME used by all peerconnections from the same JS.
|
|
|
+SDPUtils.localCName = SDPUtils.generateIdentifier();
|
|
|
+
|
|
|
+// Splits SDP into lines, dealing with both CRLF and LF.
|
|
|
+SDPUtils.splitLines = function(blob) {
|
|
|
+ return blob.trim().split('\n').map(function(line) {
|
|
|
+ return line.trim();
|
|
|
+ });
|
|
|
+};
|
|
|
+// Splits SDP into sessionpart and mediasections. Ensures CRLF.
|
|
|
+SDPUtils.splitSections = function(blob) {
|
|
|
+ var parts = blob.split('\nm=');
|
|
|
+ return parts.map(function(part, index) {
|
|
|
+ return (index > 0 ? 'm=' + part : part).trim() + '\r\n';
|
|
|
+ });
|
|
|
+};
|
|
|
+
|
|
|
+// returns the session description.
|
|
|
+SDPUtils.getDescription = function(blob) {
|
|
|
+ var sections = SDPUtils.splitSections(blob);
|
|
|
+ return sections && sections[0];
|
|
|
+};
|
|
|
+
|
|
|
+// returns the individual media sections.
|
|
|
+SDPUtils.getMediaSections = function(blob) {
|
|
|
+ var sections = SDPUtils.splitSections(blob);
|
|
|
+ sections.shift();
|
|
|
+ return sections;
|
|
|
+};
|
|
|
+
|
|
|
+// Returns lines that start with a certain prefix.
|
|
|
+SDPUtils.matchPrefix = function(blob, prefix) {
|
|
|
+ return SDPUtils.splitLines(blob).filter(function(line) {
|
|
|
+ return line.indexOf(prefix) === 0;
|
|
|
+ });
|
|
|
+};
|
|
|
+
|
|
|
+// Parses an ICE candidate line. Sample input:
|
|
|
+// candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8
|
|
|
+// rport 55996"
|
|
|
+SDPUtils.parseCandidate = function(line) {
|
|
|
+ var parts;
|
|
|
+ // Parse both variants.
|
|
|
+ if (line.indexOf('a=candidate:') === 0) {
|
|
|
+ parts = line.substring(12).split(' ');
|
|
|
+ } else {
|
|
|
+ parts = line.substring(10).split(' ');
|
|
|
+ }
|
|
|
+
|
|
|
+ var candidate = {
|
|
|
+ foundation: parts[0],
|
|
|
+ component: parseInt(parts[1], 10),
|
|
|
+ protocol: parts[2].toLowerCase(),
|
|
|
+ priority: parseInt(parts[3], 10),
|
|
|
+ ip: parts[4],
|
|
|
+ address: parts[4], // address is an alias for ip.
|
|
|
+ port: parseInt(parts[5], 10),
|
|
|
+ // skip parts[6] == 'typ'
|
|
|
+ type: parts[7]
|
|
|
+ };
|
|
|
+
|
|
|
+ for (var i = 8; i < parts.length; i += 2) {
|
|
|
+ switch (parts[i]) {
|
|
|
+ case 'raddr':
|
|
|
+ candidate.relatedAddress = parts[i + 1];
|
|
|
+ break;
|
|
|
+ case 'rport':
|
|
|
+ candidate.relatedPort = parseInt(parts[i + 1], 10);
|
|
|
+ break;
|
|
|
+ case 'tcptype':
|
|
|
+ candidate.tcpType = parts[i + 1];
|
|
|
+ break;
|
|
|
+ case 'ufrag':
|
|
|
+ candidate.ufrag = parts[i + 1]; // for backward compability.
|
|
|
+ candidate.usernameFragment = parts[i + 1];
|
|
|
+ break;
|
|
|
+ default: // extension handling, in particular ufrag
|
|
|
+ candidate[parts[i]] = parts[i + 1];
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return candidate;
|
|
|
+};
|
|
|
+
|
|
|
+// Translates a candidate object into SDP candidate attribute.
|
|
|
+SDPUtils.writeCandidate = function(candidate) {
|
|
|
+ var sdp = [];
|
|
|
+ sdp.push(candidate.foundation);
|
|
|
+ sdp.push(candidate.component);
|
|
|
+ sdp.push(candidate.protocol.toUpperCase());
|
|
|
+ sdp.push(candidate.priority);
|
|
|
+ sdp.push(candidate.address || candidate.ip);
|
|
|
+ sdp.push(candidate.port);
|
|
|
+
|
|
|
+ var type = candidate.type;
|
|
|
+ sdp.push('typ');
|
|
|
+ sdp.push(type);
|
|
|
+ if (type !== 'host' && candidate.relatedAddress &&
|
|
|
+ candidate.relatedPort) {
|
|
|
+ sdp.push('raddr');
|
|
|
+ sdp.push(candidate.relatedAddress);
|
|
|
+ sdp.push('rport');
|
|
|
+ sdp.push(candidate.relatedPort);
|
|
|
+ }
|
|
|
+ if (candidate.tcpType && candidate.protocol.toLowerCase() === 'tcp') {
|
|
|
+ sdp.push('tcptype');
|
|
|
+ sdp.push(candidate.tcpType);
|
|
|
+ }
|
|
|
+ if (candidate.usernameFragment || candidate.ufrag) {
|
|
|
+ sdp.push('ufrag');
|
|
|
+ sdp.push(candidate.usernameFragment || candidate.ufrag);
|
|
|
+ }
|
|
|
+ return 'candidate:' + sdp.join(' ');
|
|
|
+};
|
|
|
+
|
|
|
+// Parses an ice-options line, returns an array of option tags.
|
|
|
+// a=ice-options:foo bar
|
|
|
+SDPUtils.parseIceOptions = function(line) {
|
|
|
+ return line.substr(14).split(' ');
|
|
|
+};
|
|
|
+
|
|
|
+// Parses an rtpmap line, returns RTCRtpCoddecParameters. Sample input:
|
|
|
+// a=rtpmap:111 opus/48000/2
|
|
|
+SDPUtils.parseRtpMap = function(line) {
|
|
|
+ var parts = line.substr(9).split(' ');
|
|
|
+ var parsed = {
|
|
|
+ payloadType: parseInt(parts.shift(), 10) // was: id
|
|
|
+ };
|
|
|
+
|
|
|
+ parts = parts[0].split('/');
|
|
|
+
|
|
|
+ parsed.name = parts[0];
|
|
|
+ parsed.clockRate = parseInt(parts[1], 10); // was: clockrate
|
|
|
+ parsed.channels = parts.length === 3 ? parseInt(parts[2], 10) : 1;
|
|
|
+ // legacy alias, got renamed back to channels in ORTC.
|
|
|
+ parsed.numChannels = parsed.channels;
|
|
|
+ return parsed;
|
|
|
+};
|
|
|
+
|
|
|
+// Generate an a=rtpmap line from RTCRtpCodecCapability or
|
|
|
+// RTCRtpCodecParameters.
|
|
|
+SDPUtils.writeRtpMap = function(codec) {
|
|
|
+ var pt = codec.payloadType;
|
|
|
+ if (codec.preferredPayloadType !== undefined) {
|
|
|
+ pt = codec.preferredPayloadType;
|
|
|
+ }
|
|
|
+ var channels = codec.channels || codec.numChannels || 1;
|
|
|
+ return 'a=rtpmap:' + pt + ' ' + codec.name + '/' + codec.clockRate +
|
|
|
+ (channels !== 1 ? '/' + channels : '') + '\r\n';
|
|
|
+};
|
|
|
+
|
|
|
+// Parses an a=extmap line (headerextension from RFC 5285). Sample input:
|
|
|
+// a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
|
|
|
+// a=extmap:2/sendonly urn:ietf:params:rtp-hdrext:toffset
|
|
|
+SDPUtils.parseExtmap = function(line) {
|
|
|
+ var parts = line.substr(9).split(' ');
|
|
|
+ return {
|
|
|
+ id: parseInt(parts[0], 10),
|
|
|
+ direction: parts[0].indexOf('/') > 0 ? parts[0].split('/')[1] : 'sendrecv',
|
|
|
+ uri: parts[1]
|
|
|
+ };
|
|
|
+};
|
|
|
+
|
|
|
+// Generates a=extmap line from RTCRtpHeaderExtensionParameters or
|
|
|
+// RTCRtpHeaderExtension.
|
|
|
+SDPUtils.writeExtmap = function(headerExtension) {
|
|
|
+ return 'a=extmap:' + (headerExtension.id || headerExtension.preferredId) +
|
|
|
+ (headerExtension.direction && headerExtension.direction !== 'sendrecv'
|
|
|
+ ? '/' + headerExtension.direction
|
|
|
+ : '') +
|
|
|
+ ' ' + headerExtension.uri + '\r\n';
|
|
|
+};
|
|
|
+
|
|
|
+// Parses an ftmp line, returns dictionary. Sample input:
|
|
|
+// a=fmtp:96 vbr=on;cng=on
|
|
|
+// Also deals with vbr=on; cng=on
|
|
|
+SDPUtils.parseFmtp = function(line) {
|
|
|
+ var parsed = {};
|
|
|
+ var kv;
|
|
|
+ var parts = line.substr(line.indexOf(' ') + 1).split(';');
|
|
|
+ for (var j = 0; j < parts.length; j++) {
|
|
|
+ kv = parts[j].trim().split('=');
|
|
|
+ parsed[kv[0].trim()] = kv[1];
|
|
|
+ }
|
|
|
+ return parsed;
|
|
|
+};
|
|
|
+
|
|
|
+// Generates an a=ftmp line from RTCRtpCodecCapability or RTCRtpCodecParameters.
|
|
|
+SDPUtils.writeFmtp = function(codec) {
|
|
|
+ var line = '';
|
|
|
+ var pt = codec.payloadType;
|
|
|
+ if (codec.preferredPayloadType !== undefined) {
|
|
|
+ pt = codec.preferredPayloadType;
|
|
|
+ }
|
|
|
+ if (codec.parameters && Object.keys(codec.parameters).length) {
|
|
|
+ var params = [];
|
|
|
+ Object.keys(codec.parameters).forEach(function(param) {
|
|
|
+ if (codec.parameters[param]) {
|
|
|
+ params.push(param + '=' + codec.parameters[param]);
|
|
|
+ } else {
|
|
|
+ params.push(param);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ line += 'a=fmtp:' + pt + ' ' + params.join(';') + '\r\n';
|
|
|
+ }
|
|
|
+ return line;
|
|
|
+};
|
|
|
+
|
|
|
+// Parses an rtcp-fb line, returns RTCPRtcpFeedback object. Sample input:
|
|
|
+// a=rtcp-fb:98 nack rpsi
|
|
|
+SDPUtils.parseRtcpFb = function(line) {
|
|
|
+ var parts = line.substr(line.indexOf(' ') + 1).split(' ');
|
|
|
+ return {
|
|
|
+ type: parts.shift(),
|
|
|
+ parameter: parts.join(' ')
|
|
|
+ };
|
|
|
+};
|
|
|
+// Generate a=rtcp-fb lines from RTCRtpCodecCapability or RTCRtpCodecParameters.
|
|
|
+SDPUtils.writeRtcpFb = function(codec) {
|
|
|
+ var lines = '';
|
|
|
+ var pt = codec.payloadType;
|
|
|
+ if (codec.preferredPayloadType !== undefined) {
|
|
|
+ pt = codec.preferredPayloadType;
|
|
|
+ }
|
|
|
+ if (codec.rtcpFeedback && codec.rtcpFeedback.length) {
|
|
|
+ // FIXME: special handling for trr-int?
|
|
|
+ codec.rtcpFeedback.forEach(function(fb) {
|
|
|
+ lines += 'a=rtcp-fb:' + pt + ' ' + fb.type +
|
|
|
+ (fb.parameter && fb.parameter.length ? ' ' + fb.parameter : '') +
|
|
|
+ '\r\n';
|
|
|
+ });
|
|
|
+ }
|
|
|
+ return lines;
|
|
|
+};
|
|
|
+
|
|
|
+// Parses an RFC 5576 ssrc media attribute. Sample input:
|
|
|
+// a=ssrc:3735928559 cname:something
|
|
|
+SDPUtils.parseSsrcMedia = function(line) {
|
|
|
+ var sp = line.indexOf(' ');
|
|
|
+ var parts = {
|
|
|
+ ssrc: parseInt(line.substr(7, sp - 7), 10)
|
|
|
+ };
|
|
|
+ var colon = line.indexOf(':', sp);
|
|
|
+ if (colon > -1) {
|
|
|
+ parts.attribute = line.substr(sp + 1, colon - sp - 1);
|
|
|
+ parts.value = line.substr(colon + 1);
|
|
|
+ } else {
|
|
|
+ parts.attribute = line.substr(sp + 1);
|
|
|
+ }
|
|
|
+ return parts;
|
|
|
+};
|
|
|
+
|
|
|
+SDPUtils.parseSsrcGroup = function(line) {
|
|
|
+ var parts = line.substr(13).split(' ');
|
|
|
+ return {
|
|
|
+ semantics: parts.shift(),
|
|
|
+ ssrcs: parts.map(function(ssrc) {
|
|
|
+ return parseInt(ssrc, 10);
|
|
|
+ })
|
|
|
+ };
|
|
|
+};
|
|
|
+
|
|
|
+// Extracts the MID (RFC 5888) from a media section.
|
|
|
+// returns the MID or undefined if no mid line was found.
|
|
|
+SDPUtils.getMid = function(mediaSection) {
|
|
|
+ var mid = SDPUtils.matchPrefix(mediaSection, 'a=mid:')[0];
|
|
|
+ if (mid) {
|
|
|
+ return mid.substr(6);
|
|
|
+ }
|
|
|
+};
|
|
|
+
|
|
|
+SDPUtils.parseFingerprint = function(line) {
|
|
|
+ var parts = line.substr(14).split(' ');
|
|
|
+ return {
|
|
|
+ algorithm: parts[0].toLowerCase(), // algorithm is case-sensitive in Edge.
|
|
|
+ value: parts[1]
|
|
|
+ };
|
|
|
+};
|
|
|
+
|
|
|
+// Extracts DTLS parameters from SDP media section or sessionpart.
|
|
|
+// FIXME: for consistency with other functions this should only
|
|
|
+// get the fingerprint line as input. See also getIceParameters.
|
|
|
+SDPUtils.getDtlsParameters = function(mediaSection, sessionpart) {
|
|
|
+ var lines = SDPUtils.matchPrefix(mediaSection + sessionpart,
|
|
|
+ 'a=fingerprint:');
|
|
|
+ // Note: a=setup line is ignored since we use the 'auto' role.
|
|
|
+ // Note2: 'algorithm' is not case sensitive except in Edge.
|
|
|
+ return {
|
|
|
+ role: 'auto',
|
|
|
+ fingerprints: lines.map(SDPUtils.parseFingerprint)
|
|
|
+ };
|
|
|
+};
|
|
|
+
|
|
|
+// Serializes DTLS parameters to SDP.
|
|
|
+SDPUtils.writeDtlsParameters = function(params, setupType) {
|
|
|
+ var sdp = 'a=setup:' + setupType + '\r\n';
|
|
|
+ params.fingerprints.forEach(function(fp) {
|
|
|
+ sdp += 'a=fingerprint:' + fp.algorithm + ' ' + fp.value + '\r\n';
|
|
|
+ });
|
|
|
+ return sdp;
|
|
|
+};
|
|
|
+// Parses 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 lines = SDPUtils.splitLines(mediaSection);
|
|
|
+ // Search in session part, too.
|
|
|
+ lines = lines.concat(SDPUtils.splitLines(sessionpart));
|
|
|
+ var iceParameters = {
|
|
|
+ usernameFragment: lines.filter(function(line) {
|
|
|
+ return line.indexOf('a=ice-ufrag:') === 0;
|
|
|
+ })[0].substr(12),
|
|
|
+ password: lines.filter(function(line) {
|
|
|
+ return line.indexOf('a=ice-pwd:') === 0;
|
|
|
+ })[0].substr(10)
|
|
|
+ };
|
|
|
+ return iceParameters;
|
|
|
+};
|
|
|
+
|
|
|
+// Serializes ICE parameters to SDP.
|
|
|
+SDPUtils.writeIceParameters = function(params) {
|
|
|
+ return 'a=ice-ufrag:' + params.usernameFragment + '\r\n' +
|
|
|
+ 'a=ice-pwd:' + params.password + '\r\n';
|
|
|
+};
|
|
|
+
|
|
|
+// Parses the SDP media section and returns RTCRtpParameters.
|
|
|
+SDPUtils.parseRtpParameters = function(mediaSection) {
|
|
|
+ var description = {
|
|
|
+ codecs: [],
|
|
|
+ headerExtensions: [],
|
|
|
+ fecMechanisms: [],
|
|
|
+ rtcp: []
|
|
|
+ };
|
|
|
+ var lines = SDPUtils.splitLines(mediaSection);
|
|
|
+ var mline = lines[0].split(' ');
|
|
|
+ for (var i = 3; i < mline.length; i++) { // find all codecs from mline[3..]
|
|
|
+ var pt = mline[i];
|
|
|
+ var rtpmapline = SDPUtils.matchPrefix(
|
|
|
+ mediaSection, 'a=rtpmap:' + pt + ' ')[0];
|
|
|
+ if (rtpmapline) {
|
|
|
+ var codec = SDPUtils.parseRtpMap(rtpmapline);
|
|
|
+ var fmtps = SDPUtils.matchPrefix(
|
|
|
+ mediaSection, 'a=fmtp:' + pt + ' ');
|
|
|
+ // Only the first a=fmtp:<pt> is considered.
|
|
|
+ codec.parameters = fmtps.length ? SDPUtils.parseFmtp(fmtps[0]) : {};
|
|
|
+ codec.rtcpFeedback = SDPUtils.matchPrefix(
|
|
|
+ mediaSection, 'a=rtcp-fb:' + pt + ' ')
|
|
|
+ .map(SDPUtils.parseRtcpFb);
|
|
|
+ description.codecs.push(codec);
|
|
|
+ // parse FEC mechanisms from rtpmap lines.
|
|
|
+ switch (codec.name.toUpperCase()) {
|
|
|
+ case 'RED':
|
|
|
+ case 'ULPFEC':
|
|
|
+ description.fecMechanisms.push(codec.name.toUpperCase());
|
|
|
+ break;
|
|
|
+ default: // only RED and ULPFEC are recognized as FEC mechanisms.
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ SDPUtils.matchPrefix(mediaSection, 'a=extmap:').forEach(function(line) {
|
|
|
+ description.headerExtensions.push(SDPUtils.parseExtmap(line));
|
|
|
+ });
|
|
|
+ // FIXME: parse rtcp.
|
|
|
+ return description;
|
|
|
+};
|
|
|
+
|
|
|
+// Generates parts of the SDP media section describing the capabilities /
|
|
|
+// parameters.
|
|
|
+SDPUtils.writeRtpDescription = function(kind, caps) {
|
|
|
+ var sdp = '';
|
|
|
+
|
|
|
+ // Build the mline.
|
|
|
+ sdp += 'm=' + kind + ' ';
|
|
|
+ sdp += caps.codecs.length > 0 ? '9' : '0'; // reject if no codecs.
|
|
|
+ sdp += ' UDP/TLS/RTP/SAVPF ';
|
|
|
+ sdp += caps.codecs.map(function(codec) {
|
|
|
+ if (codec.preferredPayloadType !== undefined) {
|
|
|
+ return codec.preferredPayloadType;
|
|
|
+ }
|
|
|
+ return codec.payloadType;
|
|
|
+ }).join(' ') + '\r\n';
|
|
|
+
|
|
|
+ sdp += 'c=IN IP4 0.0.0.0\r\n';
|
|
|
+ sdp += 'a=rtcp:9 IN IP4 0.0.0.0\r\n';
|
|
|
+
|
|
|
+ // Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb.
|
|
|
+ caps.codecs.forEach(function(codec) {
|
|
|
+ sdp += SDPUtils.writeRtpMap(codec);
|
|
|
+ sdp += SDPUtils.writeFmtp(codec);
|
|
|
+ sdp += SDPUtils.writeRtcpFb(codec);
|
|
|
+ });
|
|
|
+ var maxptime = 0;
|
|
|
+ caps.codecs.forEach(function(codec) {
|
|
|
+ if (codec.maxptime > maxptime) {
|
|
|
+ maxptime = codec.maxptime;
|
|
|
+ }
|
|
|
+ });
|
|
|
+ if (maxptime > 0) {
|
|
|
+ sdp += 'a=maxptime:' + maxptime + '\r\n';
|
|
|
+ }
|
|
|
+ sdp += 'a=rtcp-mux\r\n';
|
|
|
+
|
|
|
+ if (caps.headerExtensions) {
|
|
|
+ caps.headerExtensions.forEach(function(extension) {
|
|
|
+ sdp += SDPUtils.writeExtmap(extension);
|
|
|
+ });
|
|
|
+ }
|
|
|
+ // FIXME: write fecMechanisms.
|
|
|
+ return sdp;
|
|
|
+};
|
|
|
+
|
|
|
+// Parses the SDP media section and returns an array of
|
|
|
+// RTCRtpEncodingParameters.
|
|
|
+SDPUtils.parseRtpEncodingParameters = function(mediaSection) {
|
|
|
+ var encodingParameters = [];
|
|
|
+ var description = SDPUtils.parseRtpParameters(mediaSection);
|
|
|
+ var hasRed = description.fecMechanisms.indexOf('RED') !== -1;
|
|
|
+ var hasUlpfec = description.fecMechanisms.indexOf('ULPFEC') !== -1;
|
|
|
+
|
|
|
+ // filter a=ssrc:... cname:, ignore PlanB-msid
|
|
|
+ var ssrcs = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
|
|
|
+ .map(function(line) {
|
|
|
+ return SDPUtils.parseSsrcMedia(line);
|
|
|
+ })
|
|
|
+ .filter(function(parts) {
|
|
|
+ return parts.attribute === 'cname';
|
|
|
+ });
|
|
|
+ var primarySsrc = ssrcs.length > 0 && ssrcs[0].ssrc;
|
|
|
+ var secondarySsrc;
|
|
|
+
|
|
|
+ var flows = SDPUtils.matchPrefix(mediaSection, 'a=ssrc-group:FID')
|
|
|
+ .map(function(line) {
|
|
|
+ var parts = line.substr(17).split(' ');
|
|
|
+ return parts.map(function(part) {
|
|
|
+ return parseInt(part, 10);
|
|
|
+ });
|
|
|
+ });
|
|
|
+ if (flows.length > 0 && flows[0].length > 1 && flows[0][0] === primarySsrc) {
|
|
|
+ secondarySsrc = flows[0][1];
|
|
|
+ }
|
|
|
+
|
|
|
+ description.codecs.forEach(function(codec) {
|
|
|
+ if (codec.name.toUpperCase() === 'RTX' && codec.parameters.apt) {
|
|
|
+ var encParam = {
|
|
|
+ ssrc: primarySsrc,
|
|
|
+ codecPayloadType: parseInt(codec.parameters.apt, 10)
|
|
|
+ };
|
|
|
+ if (primarySsrc && secondarySsrc) {
|
|
|
+ encParam.rtx = {ssrc: secondarySsrc};
|
|
|
+ }
|
|
|
+ encodingParameters.push(encParam);
|
|
|
+ if (hasRed) {
|
|
|
+ encParam = JSON.parse(JSON.stringify(encParam));
|
|
|
+ encParam.fec = {
|
|
|
+ ssrc: primarySsrc,
|
|
|
+ mechanism: hasUlpfec ? 'red+ulpfec' : 'red'
|
|
|
+ };
|
|
|
+ encodingParameters.push(encParam);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ });
|
|
|
+ if (encodingParameters.length === 0 && primarySsrc) {
|
|
|
+ encodingParameters.push({
|
|
|
+ ssrc: primarySsrc
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ // we support both b=AS and b=TIAS but interpret AS as TIAS.
|
|
|
+ var bandwidth = SDPUtils.matchPrefix(mediaSection, 'b=');
|
|
|
+ if (bandwidth.length) {
|
|
|
+ if (bandwidth[0].indexOf('b=TIAS:') === 0) {
|
|
|
+ bandwidth = parseInt(bandwidth[0].substr(7), 10);
|
|
|
+ } else if (bandwidth[0].indexOf('b=AS:') === 0) {
|
|
|
+ // use formula from JSEP to convert b=AS to TIAS value.
|
|
|
+ bandwidth = parseInt(bandwidth[0].substr(5), 10) * 1000 * 0.95
|
|
|
+ - (50 * 40 * 8);
|
|
|
+ } else {
|
|
|
+ bandwidth = undefined;
|
|
|
+ }
|
|
|
+ encodingParameters.forEach(function(params) {
|
|
|
+ params.maxBitrate = bandwidth;
|
|
|
+ });
|
|
|
+ }
|
|
|
+ return encodingParameters;
|
|
|
+};
|
|
|
+
|
|
|
+// parses http://draft.ortc.org/#rtcrtcpparameters*
|
|
|
+SDPUtils.parseRtcpParameters = function(mediaSection) {
|
|
|
+ var rtcpParameters = {};
|
|
|
+
|
|
|
+ // Gets the first SSRC. Note tha with RTX there might be multiple
|
|
|
+ // SSRCs.
|
|
|
+ var remoteSsrc = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
|
|
|
+ .map(function(line) {
|
|
|
+ return SDPUtils.parseSsrcMedia(line);
|
|
|
+ })
|
|
|
+ .filter(function(obj) {
|
|
|
+ return obj.attribute === 'cname';
|
|
|
+ })[0];
|
|
|
+ if (remoteSsrc) {
|
|
|
+ rtcpParameters.cname = remoteSsrc.value;
|
|
|
+ rtcpParameters.ssrc = remoteSsrc.ssrc;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Edge uses the compound attribute instead of reducedSize
|
|
|
+ // compound is !reducedSize
|
|
|
+ var rsize = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-rsize');
|
|
|
+ rtcpParameters.reducedSize = rsize.length > 0;
|
|
|
+ rtcpParameters.compound = rsize.length === 0;
|
|
|
+
|
|
|
+ // parses the rtcp-mux attrіbute.
|
|
|
+ // Note that Edge does not support unmuxed RTCP.
|
|
|
+ var mux = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-mux');
|
|
|
+ rtcpParameters.mux = mux.length > 0;
|
|
|
+
|
|
|
+ return rtcpParameters;
|
|
|
+};
|
|
|
+
|
|
|
+// parses either a=msid: or a=ssrc:... msid lines and returns
|
|
|
+// the id of the MediaStream and MediaStreamTrack.
|
|
|
+SDPUtils.parseMsid = function(mediaSection) {
|
|
|
+ var parts;
|
|
|
+ var spec = SDPUtils.matchPrefix(mediaSection, 'a=msid:');
|
|
|
+ if (spec.length === 1) {
|
|
|
+ parts = spec[0].substr(7).split(' ');
|
|
|
+ return {stream: parts[0], track: parts[1]};
|
|
|
+ }
|
|
|
+ var planB = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
|
|
|
+ .map(function(line) {
|
|
|
+ return SDPUtils.parseSsrcMedia(line);
|
|
|
+ })
|
|
|
+ .filter(function(msidParts) {
|
|
|
+ return msidParts.attribute === 'msid';
|
|
|
+ });
|
|
|
+ if (planB.length > 0) {
|
|
|
+ parts = planB[0].value.split(' ');
|
|
|
+ return {stream: parts[0], track: parts[1]};
|
|
|
+ }
|
|
|
+};
|
|
|
+
|
|
|
+// Generate a session ID for SDP.
|
|
|
+// https://tools.ietf.org/html/draft-ietf-rtcweb-jsep-20#section-5.2.1
|
|
|
+// recommends using a cryptographically random +ve 64-bit value
|
|
|
+// but right now this should be acceptable and within the right range
|
|
|
+SDPUtils.generateSessionId = function() {
|
|
|
+ return Math.random().toString().substr(2, 21);
|
|
|
+};
|
|
|
+
|
|
|
+// Write boilder plate for start of SDP
|
|
|
+// sessId argument is optional - if not supplied it will
|
|
|
+// be generated randomly
|
|
|
+// sessVersion is optional and defaults to 2
|
|
|
+// sessUser is optional and defaults to 'thisisadapterortc'
|
|
|
+SDPUtils.writeSessionBoilerplate = function(sessId, sessVer, sessUser) {
|
|
|
+ var sessionId;
|
|
|
+ var version = sessVer !== undefined ? sessVer : 2;
|
|
|
+ if (sessId) {
|
|
|
+ sessionId = sessId;
|
|
|
+ } else {
|
|
|
+ sessionId = SDPUtils.generateSessionId();
|
|
|
+ }
|
|
|
+ var user = sessUser || 'thisisadapterortc';
|
|
|
+ // FIXME: sess-id should be an NTP timestamp.
|
|
|
+ return 'v=0\r\n' +
|
|
|
+ 'o=' + user + ' ' + sessionId + ' ' + version +
|
|
|
+ ' IN IP4 127.0.0.1\r\n' +
|
|
|
+ 's=-\r\n' +
|
|
|
+ 't=0 0\r\n';
|
|
|
+};
|
|
|
+
|
|
|
+SDPUtils.writeMediaSection = function(transceiver, caps, type, stream) {
|
|
|
+ var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps);
|
|
|
+
|
|
|
+ // Map ICE parameters (ufrag, pwd) to SDP.
|
|
|
+ sdp += SDPUtils.writeIceParameters(
|
|
|
+ transceiver.iceGatherer.getLocalParameters());
|
|
|
+
|
|
|
+ // Map DTLS parameters to SDP.
|
|
|
+ sdp += SDPUtils.writeDtlsParameters(
|
|
|
+ transceiver.dtlsTransport.getLocalParameters(),
|
|
|
+ type === 'offer' ? 'actpass' : 'active');
|
|
|
+
|
|
|
+ sdp += 'a=mid:' + transceiver.mid + '\r\n';
|
|
|
+
|
|
|
+ if (transceiver.direction) {
|
|
|
+ sdp += 'a=' + transceiver.direction + '\r\n';
|
|
|
+ } else if (transceiver.rtpSender && transceiver.rtpReceiver) {
|
|
|
+ sdp += 'a=sendrecv\r\n';
|
|
|
+ } else if (transceiver.rtpSender) {
|
|
|
+ sdp += 'a=sendonly\r\n';
|
|
|
+ } else if (transceiver.rtpReceiver) {
|
|
|
+ sdp += 'a=recvonly\r\n';
|
|
|
+ } else {
|
|
|
+ sdp += 'a=inactive\r\n';
|
|
|
+ }
|
|
|
+
|
|
|
+ if (transceiver.rtpSender) {
|
|
|
+ // spec.
|
|
|
+ var msid = 'msid:' + stream.id + ' ' +
|
|
|
+ transceiver.rtpSender.track.id + '\r\n';
|
|
|
+ sdp += 'a=' + msid;
|
|
|
+
|
|
|
+ // for Chrome.
|
|
|
+ sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
|
|
|
+ ' ' + msid;
|
|
|
+ if (transceiver.sendEncodingParameters[0].rtx) {
|
|
|
+ sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
|
|
|
+ ' ' + msid;
|
|
|
+ sdp += 'a=ssrc-group:FID ' +
|
|
|
+ transceiver.sendEncodingParameters[0].ssrc + ' ' +
|
|
|
+ transceiver.sendEncodingParameters[0].rtx.ssrc +
|
|
|
+ '\r\n';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ // FIXME: this should be written by writeRtpDescription.
|
|
|
+ sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
|
|
|
+ ' cname:' + SDPUtils.localCName + '\r\n';
|
|
|
+ if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {
|
|
|
+ sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
|
|
|
+ ' cname:' + SDPUtils.localCName + '\r\n';
|
|
|
+ }
|
|
|
+ return sdp;
|
|
|
+};
|
|
|
+
|
|
|
+// Gets the direction from the mediaSection or the sessionpart.
|
|
|
+SDPUtils.getDirection = function(mediaSection, sessionpart) {
|
|
|
+ // Look for sendrecv, sendonly, recvonly, inactive, default to sendrecv.
|
|
|
+ var lines = SDPUtils.splitLines(mediaSection);
|
|
|
+ for (var i = 0; i < lines.length; i++) {
|
|
|
+ switch (lines[i]) {
|
|
|
+ case 'a=sendrecv':
|
|
|
+ case 'a=sendonly':
|
|
|
+ case 'a=recvonly':
|
|
|
+ case 'a=inactive':
|
|
|
+ return lines[i].substr(2);
|
|
|
+ default:
|
|
|
+ // FIXME: What should happen here?
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (sessionpart) {
|
|
|
+ return SDPUtils.getDirection(sessionpart);
|
|
|
+ }
|
|
|
+ return 'sendrecv';
|
|
|
+};
|
|
|
+
|
|
|
+SDPUtils.getKind = function(mediaSection) {
|
|
|
+ var lines = SDPUtils.splitLines(mediaSection);
|
|
|
+ var mline = lines[0].split(' ');
|
|
|
+ return mline[0].substr(2);
|
|
|
+};
|
|
|
+
|
|
|
+SDPUtils.isRejected = function(mediaSection) {
|
|
|
+ return mediaSection.split(' ', 2)[1] === '0';
|
|
|
+};
|
|
|
+
|
|
|
+SDPUtils.parseMLine = function(mediaSection) {
|
|
|
+ var lines = SDPUtils.splitLines(mediaSection);
|
|
|
+ var parts = lines[0].substr(2).split(' ');
|
|
|
+ return {
|
|
|
+ kind: parts[0],
|
|
|
+ port: parseInt(parts[1], 10),
|
|
|
+ protocol: parts[2],
|
|
|
+ fmt: parts.slice(3).join(' ')
|
|
|
+ };
|
|
|
+};
|
|
|
+
|
|
|
+SDPUtils.parseOLine = function(mediaSection) {
|
|
|
+ var line = SDPUtils.matchPrefix(mediaSection, 'o=')[0];
|
|
|
+ var parts = line.substr(2).split(' ');
|
|
|
+ return {
|
|
|
+ username: parts[0],
|
|
|
+ sessionId: parts[1],
|
|
|
+ sessionVersion: parseInt(parts[2], 10),
|
|
|
+ netType: parts[3],
|
|
|
+ addressType: parts[4],
|
|
|
+ address: parts[5]
|
|
|
+ };
|
|
|
+};
|
|
|
+
|
|
|
+// a very naive interpretation of a valid SDP.
|
|
|
+SDPUtils.isValidSDP = function(blob) {
|
|
|
+ if (typeof blob !== 'string' || blob.length === 0) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ var lines = SDPUtils.splitLines(blob);
|
|
|
+ for (var i = 0; i < lines.length; i++) {
|
|
|
+ if (lines[i].length < 2 || lines[i].charAt(1) !== '=') {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ // TODO: check the modifier a bit more.
|
|
|
+ }
|
|
|
+ return true;
|
|
|
+};
|
|
|
+
|
|
|
+// Expose public methods.
|
|
|
+if (typeof module === 'object') {
|
|
|
+ module.exports = SDPUtils;
|
|
|
+}
|
|
|
+
|
|
|
+},{}]},{},[1])(1)
|
|
|
+});
|
