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7659 lines
256 KiB
7659 lines
256 KiB
var ZLMRTCClient = (function (exports) {
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'use strict';
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const Events$1 = {
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WEBRTC_NOT_SUPPORT: 'WEBRTC_NOT_SUPPORT',
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WEBRTC_ICE_CANDIDATE_ERROR: 'WEBRTC_ICE_CANDIDATE_ERROR',
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WEBRTC_OFFER_ANSWER_EXCHANGE_FAILED: 'WEBRTC_OFFER_ANSWER_EXCHANGE_FAILED',
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WEBRTC_ON_REMOTE_STREAMS: 'WEBRTC_ON_REMOTE_STREAMS',
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WEBRTC_ON_LOCAL_STREAM: 'WEBRTC_ON_LOCAL_STREAM',
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CAPTURE_STREAM_FAILED: 'CAPTURE_STREAM_FAILED'
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};
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const VERSION = '1.0.1';
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const BUILD_DATE = 'Mon Jun 07 2021 18:09:53 GMT+0800 (China Standard Time)';
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// Copyright (C) <2018> Intel Corporation
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//
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// SPDX-License-Identifier: Apache-2.0
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// eslint-disable-next-line require-jsdoc
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function isFirefox() {
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return window.navigator.userAgent.match('Firefox') !== null;
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} // eslint-disable-next-line require-jsdoc
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function isChrome() {
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return window.navigator.userAgent.match('Chrome') !== null;
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} // eslint-disable-next-line require-jsdoc
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function isEdge() {
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return window.navigator.userAgent.match(/Edge\/(\d+).(\d+)$/) !== null;
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} // eslint-disable-next-line require-jsdoc
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// Copyright (C) <2018> Intel Corporation
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/**
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* @class AudioSourceInfo
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* @classDesc Source info about an audio track. Values: 'mic', 'screen-cast', 'file', 'mixed'.
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* @memberOf Owt.Base
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* @readonly
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* @enum {string}
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*/
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const AudioSourceInfo = {
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MIC: 'mic',
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SCREENCAST: 'screen-cast',
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FILE: 'file',
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MIXED: 'mixed'
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};
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/**
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* @class VideoSourceInfo
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* @classDesc Source info about a video track. Values: 'camera', 'screen-cast', 'file', 'mixed'.
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* @memberOf Owt.Base
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* @readonly
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* @enum {string}
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*/
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const VideoSourceInfo = {
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CAMERA: 'camera',
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SCREENCAST: 'screen-cast',
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FILE: 'file',
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MIXED: 'mixed'
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};
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/**
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* @class TrackKind
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* @classDesc Kind of a track. Values: 'audio' for audio track, 'video' for video track, 'av' for both audio and video tracks.
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* @memberOf Owt.Base
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* @readonly
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* @enum {string}
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*/
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const TrackKind = {
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/**
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* Audio tracks.
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* @type string
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*/
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AUDIO: 'audio',
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/**
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* Video tracks.
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* @type string
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*/
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VIDEO: 'video',
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/**
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* Both audio and video tracks.
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* @type string
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*/
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AUDIO_AND_VIDEO: 'av'
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};
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/**
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* @class Resolution
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* @memberOf Owt.Base
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* @classDesc The Resolution defines the size of a rectangle.
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* @constructor
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* @param {number} width
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* @param {number} height
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*/
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class Resolution {
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// eslint-disable-next-line require-jsdoc
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constructor(width, height) {
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/**
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* @member {number} width
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* @instance
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* @memberof Owt.Base.Resolution
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*/
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this.width = width;
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/**
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* @member {number} height
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* @instance
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* @memberof Owt.Base.Resolution
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*/
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this.height = height;
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}
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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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let logDisabled_ = true;
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let deprecationWarnings_ = true;
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/**
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* Extract browser version out of the provided user agent string.
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*
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* @param {!string} uastring userAgent string.
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* @param {!string} expr Regular expression used as match criteria.
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* @param {!number} pos position in the version string to be returned.
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* @return {!number} browser version.
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*/
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function extractVersion(uastring, expr, pos) {
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const match = uastring.match(expr);
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return match && match.length >= pos && parseInt(match[pos], 10);
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}
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// Wraps the peerconnection event eventNameToWrap in a function
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// which returns the modified event object (or false to prevent
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// the event).
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function wrapPeerConnectionEvent(window, eventNameToWrap, wrapper) {
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if (!window.RTCPeerConnection) {
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return;
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}
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const proto = window.RTCPeerConnection.prototype;
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const nativeAddEventListener = proto.addEventListener;
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proto.addEventListener = function (nativeEventName, cb) {
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if (nativeEventName !== eventNameToWrap) {
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return nativeAddEventListener.apply(this, arguments);
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}
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const wrappedCallback = (e) => {
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const modifiedEvent = wrapper(e);
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if (modifiedEvent) {
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if (cb.handleEvent) {
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cb.handleEvent(modifiedEvent);
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} else {
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cb(modifiedEvent);
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}
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}
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};
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this._eventMap = this._eventMap || {};
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if (!this._eventMap[eventNameToWrap]) {
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this._eventMap[eventNameToWrap] = new Map();
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}
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this._eventMap[eventNameToWrap].set(cb, wrappedCallback);
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return nativeAddEventListener.apply(this, [nativeEventName,
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wrappedCallback]);
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};
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const nativeRemoveEventListener = proto.removeEventListener;
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proto.removeEventListener = function (nativeEventName, cb) {
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if (nativeEventName !== eventNameToWrap || !this._eventMap
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|| !this._eventMap[eventNameToWrap]) {
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return nativeRemoveEventListener.apply(this, arguments);
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}
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if (!this._eventMap[eventNameToWrap].has(cb)) {
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return nativeRemoveEventListener.apply(this, arguments);
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}
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const unwrappedCb = this._eventMap[eventNameToWrap].get(cb);
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this._eventMap[eventNameToWrap].delete(cb);
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if (this._eventMap[eventNameToWrap].size === 0) {
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delete this._eventMap[eventNameToWrap];
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}
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if (Object.keys(this._eventMap).length === 0) {
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delete this._eventMap;
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}
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return nativeRemoveEventListener.apply(this, [nativeEventName,
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unwrappedCb]);
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};
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Object.defineProperty(proto, 'on' + eventNameToWrap, {
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get() {
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return this['_on' + eventNameToWrap];
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},
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set(cb) {
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if (this['_on' + eventNameToWrap]) {
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this.removeEventListener(eventNameToWrap,
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this['_on' + eventNameToWrap]);
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delete this['_on' + eventNameToWrap];
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}
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if (cb) {
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this.addEventListener(eventNameToWrap,
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this['_on' + eventNameToWrap] = cb);
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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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}
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function disableLog(bool) {
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if (typeof bool !== 'boolean') {
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return new Error('Argument type: ' + typeof bool +
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'. Please use a boolean.');
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}
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logDisabled_ = bool;
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return (bool) ? 'adapter.js logging disabled' :
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'adapter.js logging enabled';
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}
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/**
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* Disable or enable deprecation warnings
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* @param {!boolean} bool set to true to disable warnings.
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*/
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function disableWarnings(bool) {
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if (typeof bool !== 'boolean') {
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return new Error('Argument type: ' + typeof bool +
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'. Please use a boolean.');
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}
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deprecationWarnings_ = !bool;
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return 'adapter.js deprecation warnings ' + (bool ? 'disabled' : 'enabled');
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}
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function log$1() {
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if (typeof window === 'object') {
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if (logDisabled_) {
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return;
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}
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if (typeof console !== 'undefined' && typeof console.log === 'function') {
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console.log.apply(console, arguments);
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}
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}
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}
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/**
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* Shows a deprecation warning suggesting the modern and spec-compatible API.
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*/
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function deprecated(oldMethod, newMethod) {
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if (!deprecationWarnings_) {
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return;
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}
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console.warn(oldMethod + ' is deprecated, please use ' + newMethod +
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' instead.');
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}
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/**
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* Browser detector.
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*
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* @return {object} result containing browser and version
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* properties.
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*/
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function detectBrowser(window) {
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// Returned result object.
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const result = {browser: null, version: null};
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// Fail early if it's not a browser
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if (typeof window === 'undefined' || !window.navigator) {
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result.browser = 'Not a browser.';
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return result;
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}
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const {navigator} = window;
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if (navigator.mozGetUserMedia) { // Firefox.
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result.browser = 'firefox';
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result.version = extractVersion(navigator.userAgent,
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/Firefox\/(\d+)\./, 1);
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} else if (navigator.webkitGetUserMedia ||
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(window.isSecureContext === false && window.webkitRTCPeerConnection &&
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!window.RTCIceGatherer)) {
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// Chrome, Chromium, Webview, Opera.
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// Version matches Chrome/WebRTC version.
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// Chrome 74 removed webkitGetUserMedia on http as well so we need the
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// more complicated fallback to webkitRTCPeerConnection.
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result.browser = 'chrome';
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result.version = extractVersion(navigator.userAgent,
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/Chrom(e|ium)\/(\d+)\./, 2);
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} else if (navigator.mediaDevices &&
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navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)) { // Edge.
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result.browser = 'edge';
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result.version = extractVersion(navigator.userAgent,
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/Edge\/(\d+).(\d+)$/, 2);
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} else if (window.RTCPeerConnection &&
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navigator.userAgent.match(/AppleWebKit\/(\d+)\./)) { // Safari.
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result.browser = 'safari';
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result.version = extractVersion(navigator.userAgent,
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/AppleWebKit\/(\d+)\./, 1);
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result.supportsUnifiedPlan = window.RTCRtpTransceiver &&
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'currentDirection' in window.RTCRtpTransceiver.prototype;
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} else { // Default fallthrough: not supported.
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result.browser = 'Not a supported browser.';
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return result;
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}
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return result;
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}
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/**
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* Checks if something is an object.
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*
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* @param {*} val The something you want to check.
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* @return true if val is an object, false otherwise.
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*/
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function isObject$1(val) {
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return Object.prototype.toString.call(val) === '[object Object]';
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}
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/**
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* Remove all empty objects and undefined values
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* from a nested object -- an enhanced and vanilla version
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* of Lodash's `compact`.
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*/
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function compactObject(data) {
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if (!isObject$1(data)) {
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return data;
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}
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return Object.keys(data).reduce(function (accumulator, key) {
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const isObj = isObject$1(data[key]);
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const value = isObj ? compactObject(data[key]) : data[key];
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const isEmptyObject = isObj && !Object.keys(value).length;
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if (value === undefined || isEmptyObject) {
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return accumulator;
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}
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return Object.assign(accumulator, {[key]: value});
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}, {});
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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(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(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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/* filter getStats for a sender/receiver track. */
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function filterStats(result, track, outbound) {
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const streamStatsType = outbound ? 'outbound-rtp' : 'inbound-rtp';
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const filteredResult = new Map();
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if (track === null) {
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return filteredResult;
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}
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const trackStats = [];
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result.forEach(value => {
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if (value.type === 'track' &&
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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(trackStat => {
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result.forEach(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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* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
|
|
*
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|
* 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
|
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* tree.
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*/
|
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const logging = log$1;
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function shimGetUserMedia$3(window, browserDetails) {
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const navigator = window && window.navigator;
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if (!navigator.mediaDevices) {
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return;
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}
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const constraintsToChrome_ = function (c) {
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if (typeof c !== 'object' || c.mandatory || c.optional) {
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return c;
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}
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const cc = {};
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Object.keys(c).forEach(key => {
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if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
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return;
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}
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const r = (typeof c[key] === 'object') ? c[key] : {ideal: c[key]};
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if (r.exact !== undefined && typeof r.exact === 'number') {
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r.min = r.max = r.exact;
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}
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const oldname_ = function (prefix, name) {
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if (prefix) {
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return prefix + name.charAt(0).toUpperCase() + name.slice(1);
|
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}
|
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return (name === 'deviceId') ? 'sourceId' : name;
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};
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if (r.ideal !== undefined) {
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cc.optional = cc.optional || [];
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let oc = {};
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if (typeof r.ideal === 'number') {
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oc[oldname_('min', key)] = r.ideal;
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cc.optional.push(oc);
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oc = {};
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oc[oldname_('max', key)] = r.ideal;
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cc.optional.push(oc);
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} else {
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oc[oldname_('', key)] = r.ideal;
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cc.optional.push(oc);
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}
|
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}
|
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if (r.exact !== undefined && typeof r.exact !== 'number') {
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cc.mandatory = cc.mandatory || {};
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|
cc.mandatory[oldname_('', key)] = r.exact;
|
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} else {
|
|
['min', 'max'].forEach(mix => {
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|
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;
|
|
};
|
|
|
|
const shimConstraints_ = function (constraints, func) {
|
|
if (browserDetails.version >= 61) {
|
|
return func(constraints);
|
|
}
|
|
constraints = JSON.parse(JSON.stringify(constraints));
|
|
if (constraints && typeof constraints.audio === 'object') {
|
|
const remap = function (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.
|
|
let face = constraints.video.facingMode;
|
|
face = face && ((typeof face === 'object') ? face : {ideal: face});
|
|
const 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;
|
|
let matches;
|
|
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(devices => {
|
|
devices = devices.filter(d => d.kind === 'videoinput');
|
|
let dev = devices.find(d => matches.some(match =>
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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);
|
|
};
|
|
|
|
const shimError_ = function (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() {
|
|
return this.name + (this.message && ': ') + this.message;
|
|
}
|
|
};
|
|
};
|
|
|
|
const getUserMedia_ = function (constraints, onSuccess, onError) {
|
|
shimConstraints_(constraints, c => {
|
|
navigator.webkitGetUserMedia(c, onSuccess, e => {
|
|
if (onError) {
|
|
onError(shimError_(e));
|
|
}
|
|
});
|
|
});
|
|
};
|
|
navigator.getUserMedia = getUserMedia_.bind(navigator);
|
|
|
|
// Even though Chrome 45 has navigator.mediaDevices and a getUserMedia
|
|
// function which returns a Promise, it does not accept spec-style
|
|
// constraints.
|
|
if (navigator.mediaDevices.getUserMedia) {
|
|
const origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);
|
|
navigator.mediaDevices.getUserMedia = function (cs) {
|
|
return shimConstraints_(cs, c => origGetUserMedia(c).then(stream => {
|
|
if (c.audio && !stream.getAudioTracks().length ||
|
|
c.video && !stream.getVideoTracks().length) {
|
|
stream.getTracks().forEach(track => {
|
|
track.stop();
|
|
});
|
|
throw new DOMException('', 'NotFoundError');
|
|
}
|
|
return stream;
|
|
}, e => Promise.reject(shimError_(e))));
|
|
};
|
|
}
|
|
}
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
function shimGetDisplayMedia$2(window, getSourceId) {
|
|
if (window.navigator.mediaDevices &&
|
|
'getDisplayMedia' in window.navigator.mediaDevices) {
|
|
return;
|
|
}
|
|
if (!(window.navigator.mediaDevices)) {
|
|
return;
|
|
}
|
|
// getSourceId is a function that returns a promise resolving with
|
|
// the sourceId of the screen/window/tab to be shared.
|
|
if (typeof getSourceId !== 'function') {
|
|
console.error('shimGetDisplayMedia: getSourceId argument is not ' +
|
|
'a function');
|
|
return;
|
|
}
|
|
window.navigator.mediaDevices.getDisplayMedia =
|
|
function getDisplayMedia(constraints) {
|
|
return getSourceId(constraints)
|
|
.then(sourceId => {
|
|
const widthSpecified = constraints.video && constraints.video.width;
|
|
const heightSpecified = constraints.video &&
|
|
constraints.video.height;
|
|
const 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);
|
|
});
|
|
};
|
|
}
|
|
|
|
/*
|
|
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree.
|
|
*/
|
|
|
|
function shimMediaStream(window) {
|
|
window.MediaStream = window.MediaStream || window.webkitMediaStream;
|
|
}
|
|
|
|
function shimOnTrack$1(window) {
|
|
if (typeof window === 'object' && window.RTCPeerConnection && !('ontrack' in
|
|
window.RTCPeerConnection.prototype)) {
|
|
Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {
|
|
get() {
|
|
return this._ontrack;
|
|
},
|
|
set(f) {
|
|
if (this._ontrack) {
|
|
this.removeEventListener('track', this._ontrack);
|
|
}
|
|
this.addEventListener('track', this._ontrack = f);
|
|
},
|
|
enumerable: true,
|
|
configurable: true
|
|
});
|
|
const origSetRemoteDescription =
|
|
window.RTCPeerConnection.prototype.setRemoteDescription;
|
|
window.RTCPeerConnection.prototype.setRemoteDescription =
|
|
function setRemoteDescription() {
|
|
if (!this._ontrackpoly) {
|
|
this._ontrackpoly = (e) => {
|
|
// onaddstream does not fire when a track is added to an existing
|
|
// stream. But stream.onaddtrack is implemented so we use that.
|
|
e.stream.addEventListener('addtrack', te => {
|
|
let receiver;
|
|
if (window.RTCPeerConnection.prototype.getReceivers) {
|
|
receiver = this.getReceivers()
|
|
.find(r => r.track && r.track.id === te.track.id);
|
|
} else {
|
|
receiver = {track: te.track};
|
|
}
|
|
|
|
const event = new Event('track');
|
|
event.track = te.track;
|
|
event.receiver = receiver;
|
|
event.transceiver = {receiver};
|
|
event.streams = [e.stream];
|
|
this.dispatchEvent(event);
|
|
});
|
|
e.stream.getTracks().forEach(track => {
|
|
let receiver;
|
|
if (window.RTCPeerConnection.prototype.getReceivers) {
|
|
receiver = this.getReceivers()
|
|
.find(r => r.track && r.track.id === track.id);
|
|
} else {
|
|
receiver = {track};
|
|
}
|
|
const event = new Event('track');
|
|
event.track = track;
|
|
event.receiver = receiver;
|
|
event.transceiver = {receiver};
|
|
event.streams = [e.stream];
|
|
this.dispatchEvent(event);
|
|
});
|
|
};
|
|
this.addEventListener('addstream', this._ontrackpoly);
|
|
}
|
|
return origSetRemoteDescription.apply(this, arguments);
|
|
};
|
|
} else {
|
|
// even if RTCRtpTransceiver is in window, it is only used and
|
|
// emitted in unified-plan. Unfortunately this means we need
|
|
// to unconditionally wrap the event.
|
|
wrapPeerConnectionEvent(window, 'track', e => {
|
|
if (!e.transceiver) {
|
|
Object.defineProperty(e, 'transceiver',
|
|
{value: {receiver: e.receiver}});
|
|
}
|
|
return e;
|
|
});
|
|
}
|
|
}
|
|
|
|
function shimGetSendersWithDtmf(window) {
|
|
// Overrides addTrack/removeTrack, depends on shimAddTrackRemoveTrack.
|
|
if (typeof window === 'object' && window.RTCPeerConnection &&
|
|
!('getSenders' in window.RTCPeerConnection.prototype) &&
|
|
'createDTMFSender' in window.RTCPeerConnection.prototype) {
|
|
const shimSenderWithDtmf = function (pc, track) {
|
|
return {
|
|
track,
|
|
get dtmf() {
|
|
if (this._dtmf === undefined) {
|
|
if (track.kind === 'audio') {
|
|
this._dtmf = pc.createDTMFSender(track);
|
|
} else {
|
|
this._dtmf = null;
|
|
}
|
|
}
|
|
return this._dtmf;
|
|
},
|
|
_pc: pc
|
|
};
|
|
};
|
|
|
|
// augment addTrack when getSenders is not available.
|
|
if (!window.RTCPeerConnection.prototype.getSenders) {
|
|
window.RTCPeerConnection.prototype.getSenders = function getSenders() {
|
|
this._senders = this._senders || [];
|
|
return this._senders.slice(); // return a copy of the internal state.
|
|
};
|
|
const origAddTrack = window.RTCPeerConnection.prototype.addTrack;
|
|
window.RTCPeerConnection.prototype.addTrack =
|
|
function addTrack(track, stream) {
|
|
let sender = origAddTrack.apply(this, arguments);
|
|
if (!sender) {
|
|
sender = shimSenderWithDtmf(this, track);
|
|
this._senders.push(sender);
|
|
}
|
|
return sender;
|
|
};
|
|
|
|
const origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
|
|
window.RTCPeerConnection.prototype.removeTrack =
|
|
function removeTrack(sender) {
|
|
origRemoveTrack.apply(this, arguments);
|
|
const idx = this._senders.indexOf(sender);
|
|
if (idx !== -1) {
|
|
this._senders.splice(idx, 1);
|
|
}
|
|
};
|
|
}
|
|
const origAddStream = window.RTCPeerConnection.prototype.addStream;
|
|
window.RTCPeerConnection.prototype.addStream = function addStream(stream) {
|
|
this._senders = this._senders || [];
|
|
origAddStream.apply(this, [stream]);
|
|
stream.getTracks().forEach(track => {
|
|
this._senders.push(shimSenderWithDtmf(this, track));
|
|
});
|
|
};
|
|
|
|
const origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
|
|
window.RTCPeerConnection.prototype.removeStream =
|
|
function removeStream(stream) {
|
|
this._senders = this._senders || [];
|
|
origRemoveStream.apply(this, [stream]);
|
|
|
|
stream.getTracks().forEach(track => {
|
|
const sender = this._senders.find(s => s.track === track);
|
|
if (sender) { // remove sender
|
|
this._senders.splice(this._senders.indexOf(sender), 1);
|
|
}
|
|
});
|
|
};
|
|
} else if (typeof window === 'object' && window.RTCPeerConnection &&
|
|
'getSenders' in window.RTCPeerConnection.prototype &&
|
|
'createDTMFSender' in window.RTCPeerConnection.prototype &&
|
|
window.RTCRtpSender &&
|
|
!('dtmf' in window.RTCRtpSender.prototype)) {
|
|
const origGetSenders = window.RTCPeerConnection.prototype.getSenders;
|
|
window.RTCPeerConnection.prototype.getSenders = function getSenders() {
|
|
const senders = origGetSenders.apply(this, []);
|
|
senders.forEach(sender => sender._pc = this);
|
|
return senders;
|
|
};
|
|
|
|
Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {
|
|
get() {
|
|
if (this._dtmf === undefined) {
|
|
if (this.track.kind === 'audio') {
|
|
this._dtmf = this._pc.createDTMFSender(this.track);
|
|
} else {
|
|
this._dtmf = null;
|
|
}
|
|
}
|
|
return this._dtmf;
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
function shimGetStats(window) {
|
|
if (!window.RTCPeerConnection) {
|
|
return;
|
|
}
|
|
|
|
const origGetStats = window.RTCPeerConnection.prototype.getStats;
|
|
window.RTCPeerConnection.prototype.getStats = function getStats() {
|
|
const [selector, onSucc, onErr] = 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 selector !== 'function')) {
|
|
return origGetStats.apply(this, []);
|
|
}
|
|
|
|
const fixChromeStats_ = function (response) {
|
|
const standardReport = {};
|
|
const reports = response.result();
|
|
reports.forEach(report => {
|
|
const standardStats = {
|
|
id: report.id,
|
|
timestamp: report.timestamp,
|
|
type: {
|
|
localcandidate: 'local-candidate',
|
|
remotecandidate: 'remote-candidate'
|
|
}[report.type] || report.type
|
|
};
|
|
report.names().forEach(name => {
|
|
standardStats[name] = report.stat(name);
|
|
});
|
|
standardReport[standardStats.id] = standardStats;
|
|
});
|
|
|
|
return standardReport;
|
|
};
|
|
|
|
// shim getStats with maplike support
|
|
const makeMapStats = function (stats) {
|
|
return new Map(Object.keys(stats).map(key => [key, stats[key]]));
|
|
};
|
|
|
|
if (arguments.length >= 2) {
|
|
const successCallbackWrapper_ = function (response) {
|
|
onSucc(makeMapStats(fixChromeStats_(response)));
|
|
};
|
|
|
|
return origGetStats.apply(this, [successCallbackWrapper_,
|
|
selector]);
|
|
}
|
|
|
|
// promise-support
|
|
return new Promise((resolve, reject) => {
|
|
origGetStats.apply(this, [
|
|
function (response) {
|
|
resolve(makeMapStats(fixChromeStats_(response)));
|
|
}, reject]);
|
|
}).then(onSucc, onErr);
|
|
};
|
|
}
|
|
|
|
function shimSenderReceiverGetStats(window) {
|
|
if (!(typeof window === 'object' && window.RTCPeerConnection &&
|
|
window.RTCRtpSender && window.RTCRtpReceiver)) {
|
|
return;
|
|
}
|
|
|
|
// shim sender stats.
|
|
if (!('getStats' in window.RTCRtpSender.prototype)) {
|
|
const origGetSenders = window.RTCPeerConnection.prototype.getSenders;
|
|
if (origGetSenders) {
|
|
window.RTCPeerConnection.prototype.getSenders = function getSenders() {
|
|
const senders = origGetSenders.apply(this, []);
|
|
senders.forEach(sender => sender._pc = this);
|
|
return senders;
|
|
};
|
|
}
|
|
|
|
const origAddTrack = window.RTCPeerConnection.prototype.addTrack;
|
|
if (origAddTrack) {
|
|
window.RTCPeerConnection.prototype.addTrack = function addTrack() {
|
|
const sender = origAddTrack.apply(this, arguments);
|
|
sender._pc = this;
|
|
return sender;
|
|
};
|
|
}
|
|
window.RTCRtpSender.prototype.getStats = function getStats() {
|
|
const sender = this;
|
|
return this._pc.getStats().then(result =>
|
|
/* 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)) {
|
|
const origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;
|
|
if (origGetReceivers) {
|
|
window.RTCPeerConnection.prototype.getReceivers =
|
|
function getReceivers() {
|
|
const receivers = origGetReceivers.apply(this, []);
|
|
receivers.forEach(receiver => receiver._pc = this);
|
|
return receivers;
|
|
};
|
|
}
|
|
wrapPeerConnectionEvent(window, 'track', e => {
|
|
e.receiver._pc = e.srcElement;
|
|
return e;
|
|
});
|
|
window.RTCRtpReceiver.prototype.getStats = function getStats() {
|
|
const receiver = this;
|
|
return this._pc.getStats().then(result =>
|
|
filterStats(result, receiver.track, false));
|
|
};
|
|
}
|
|
|
|
if (!('getStats' in window.RTCRtpSender.prototype &&
|
|
'getStats' in window.RTCRtpReceiver.prototype)) {
|
|
return;
|
|
}
|
|
|
|
// shim RTCPeerConnection.getStats(track).
|
|
const origGetStats = window.RTCPeerConnection.prototype.getStats;
|
|
window.RTCPeerConnection.prototype.getStats = function getStats() {
|
|
if (arguments.length > 0 &&
|
|
arguments[0] instanceof window.MediaStreamTrack) {
|
|
const track = arguments[0];
|
|
let sender;
|
|
let receiver;
|
|
let err;
|
|
this.getSenders().forEach(s => {
|
|
if (s.track === track) {
|
|
if (sender) {
|
|
err = true;
|
|
} else {
|
|
sender = s;
|
|
}
|
|
}
|
|
});
|
|
this.getReceivers().forEach(r => {
|
|
if (r.track === track) {
|
|
if (receiver) {
|
|
err = true;
|
|
} else {
|
|
receiver = r;
|
|
}
|
|
}
|
|
return r.track === track;
|
|
});
|
|
if (err || (sender && receiver)) {
|
|
return Promise.reject(new DOMException(
|
|
'There are more than one sender or receiver for the track.',
|
|
'InvalidAccessError'));
|
|
} else if (sender) {
|
|
return sender.getStats();
|
|
} else if (receiver) {
|
|
return receiver.getStats();
|
|
}
|
|
return Promise.reject(new DOMException(
|
|
'There is no sender or receiver for the track.',
|
|
'InvalidAccessError'));
|
|
}
|
|
return origGetStats.apply(this, arguments);
|
|
};
|
|
}
|
|
|
|
function shimAddTrackRemoveTrackWithNative(window) {
|
|
// shim addTrack/removeTrack with native variants in order to make
|
|
// the interactions with legacy getLocalStreams behave as in other browsers.
|
|
// Keeps a mapping stream.id => [stream, rtpsenders...]
|
|
window.RTCPeerConnection.prototype.getLocalStreams =
|
|
function getLocalStreams() {
|
|
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
|
|
return Object.keys(this._shimmedLocalStreams)
|
|
.map(streamId => this._shimmedLocalStreams[streamId][0]);
|
|
};
|
|
|
|
const origAddTrack = window.RTCPeerConnection.prototype.addTrack;
|
|
window.RTCPeerConnection.prototype.addTrack =
|
|
function addTrack(track, stream) {
|
|
if (!stream) {
|
|
return origAddTrack.apply(this, arguments);
|
|
}
|
|
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
|
|
|
|
const 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;
|
|
};
|
|
|
|
const origAddStream = window.RTCPeerConnection.prototype.addStream;
|
|
window.RTCPeerConnection.prototype.addStream = function addStream(stream) {
|
|
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
|
|
|
|
stream.getTracks().forEach(track => {
|
|
const alreadyExists = this.getSenders().find(s => s.track === track);
|
|
if (alreadyExists) {
|
|
throw new DOMException('Track already exists.',
|
|
'InvalidAccessError');
|
|
}
|
|
});
|
|
const existingSenders = this.getSenders();
|
|
origAddStream.apply(this, arguments);
|
|
const newSenders = this.getSenders()
|
|
.filter(newSender => existingSenders.indexOf(newSender) === -1);
|
|
this._shimmedLocalStreams[stream.id] = [stream].concat(newSenders);
|
|
};
|
|
|
|
const origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
|
|
window.RTCPeerConnection.prototype.removeStream =
|
|
function removeStream(stream) {
|
|
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
|
|
delete this._shimmedLocalStreams[stream.id];
|
|
return origRemoveStream.apply(this, arguments);
|
|
};
|
|
|
|
const origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
|
|
window.RTCPeerConnection.prototype.removeTrack =
|
|
function removeTrack(sender) {
|
|
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
|
|
if (sender) {
|
|
Object.keys(this._shimmedLocalStreams).forEach(streamId => {
|
|
const idx = this._shimmedLocalStreams[streamId].indexOf(sender);
|
|
if (idx !== -1) {
|
|
this._shimmedLocalStreams[streamId].splice(idx, 1);
|
|
}
|
|
if (this._shimmedLocalStreams[streamId].length === 1) {
|
|
delete this._shimmedLocalStreams[streamId];
|
|
}
|
|
});
|
|
}
|
|
return origRemoveTrack.apply(this, arguments);
|
|
};
|
|
}
|
|
|
|
function shimAddTrackRemoveTrack(window, browserDetails) {
|
|
if (!window.RTCPeerConnection) {
|
|
return;
|
|
}
|
|
// shim addTrack and removeTrack.
|
|
if (window.RTCPeerConnection.prototype.addTrack &&
|
|
browserDetails.version >= 65) {
|
|
return shimAddTrackRemoveTrackWithNative(window);
|
|
}
|
|
|
|
// also shim pc.getLocalStreams when addTrack is shimmed
|
|
// to return the original streams.
|
|
const origGetLocalStreams = window.RTCPeerConnection.prototype
|
|
.getLocalStreams;
|
|
window.RTCPeerConnection.prototype.getLocalStreams =
|
|
function getLocalStreams() {
|
|
const nativeStreams = origGetLocalStreams.apply(this);
|
|
this._reverseStreams = this._reverseStreams || {};
|
|
return nativeStreams.map(stream => this._reverseStreams[stream.id]);
|
|
};
|
|
|
|
const origAddStream = window.RTCPeerConnection.prototype.addStream;
|
|
window.RTCPeerConnection.prototype.addStream = function addStream(stream) {
|
|
this._streams = this._streams || {};
|
|
this._reverseStreams = this._reverseStreams || {};
|
|
|
|
stream.getTracks().forEach(track => {
|
|
const alreadyExists = this.getSenders().find(s => 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]) {
|
|
const newStream = new window.MediaStream(stream.getTracks());
|
|
this._streams[stream.id] = newStream;
|
|
this._reverseStreams[newStream.id] = stream;
|
|
stream = newStream;
|
|
}
|
|
origAddStream.apply(this, [stream]);
|
|
};
|
|
|
|
const origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
|
|
window.RTCPeerConnection.prototype.removeStream =
|
|
function removeStream(stream) {
|
|
this._streams = this._streams || {};
|
|
this._reverseStreams = this._reverseStreams || {};
|
|
|
|
origRemoveStream.apply(this, [(this._streams[stream.id] || stream)]);
|
|
delete this._reverseStreams[(this._streams[stream.id] ?
|
|
this._streams[stream.id].id : stream.id)];
|
|
delete this._streams[stream.id];
|
|
};
|
|
|
|
window.RTCPeerConnection.prototype.addTrack =
|
|
function addTrack(track, stream) {
|
|
if (this.signalingState === 'closed') {
|
|
throw new DOMException(
|
|
'The RTCPeerConnection\'s signalingState is \'closed\'.',
|
|
'InvalidStateError');
|
|
}
|
|
const streams = [].slice.call(arguments, 1);
|
|
if (streams.length !== 1 ||
|
|
!streams[0].getTracks().find(t => 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');
|
|
}
|
|
|
|
const alreadyExists = this.getSenders().find(s => s.track === track);
|
|
if (alreadyExists) {
|
|
throw new DOMException('Track already exists.',
|
|
'InvalidAccessError');
|
|
}
|
|
|
|
this._streams = this._streams || {};
|
|
this._reverseStreams = this._reverseStreams || {};
|
|
const 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(() => {
|
|
this.dispatchEvent(new Event('negotiationneeded'));
|
|
});
|
|
} else {
|
|
const newStream = new window.MediaStream([track]);
|
|
this._streams[stream.id] = newStream;
|
|
this._reverseStreams[newStream.id] = stream;
|
|
this.addStream(newStream);
|
|
}
|
|
return this.getSenders().find(s => s.track === track);
|
|
};
|
|
|
|
// replace the internal stream id with the external one and
|
|
// vice versa.
|
|
function replaceInternalStreamId(pc, description) {
|
|
let sdp = description.sdp;
|
|
Object.keys(pc._reverseStreams || []).forEach(internalId => {
|
|
const externalStream = pc._reverseStreams[internalId];
|
|
const internalStream = pc._streams[externalStream.id];
|
|
sdp = sdp.replace(new RegExp(internalStream.id, 'g'),
|
|
externalStream.id);
|
|
});
|
|
return new RTCSessionDescription({
|
|
type: description.type,
|
|
sdp
|
|
});
|
|
}
|
|
|
|
function replaceExternalStreamId(pc, description) {
|
|
let sdp = description.sdp;
|
|
Object.keys(pc._reverseStreams || []).forEach(internalId => {
|
|
const externalStream = pc._reverseStreams[internalId];
|
|
const internalStream = pc._streams[externalStream.id];
|
|
sdp = sdp.replace(new RegExp(externalStream.id, 'g'),
|
|
internalStream.id);
|
|
});
|
|
return new RTCSessionDescription({
|
|
type: description.type,
|
|
sdp
|
|
});
|
|
}
|
|
|
|
['createOffer', 'createAnswer'].forEach(function (method) {
|
|
const nativeMethod = window.RTCPeerConnection.prototype[method];
|
|
const methodObj = {
|
|
[method]() {
|
|
const args = arguments;
|
|
const isLegacyCall = arguments.length &&
|
|
typeof arguments[0] === 'function';
|
|
if (isLegacyCall) {
|
|
return nativeMethod.apply(this, [
|
|
(description) => {
|
|
const desc = replaceInternalStreamId(this, description);
|
|
args[0].apply(null, [desc]);
|
|
},
|
|
(err) => {
|
|
if (args[1]) {
|
|
args[1].apply(null, err);
|
|
}
|
|
}, arguments[2]
|
|
]);
|
|
}
|
|
return nativeMethod.apply(this, arguments)
|
|
.then(description => replaceInternalStreamId(this, description));
|
|
}
|
|
};
|
|
window.RTCPeerConnection.prototype[method] = methodObj[method];
|
|
});
|
|
|
|
const origSetLocalDescription =
|
|
window.RTCPeerConnection.prototype.setLocalDescription;
|
|
window.RTCPeerConnection.prototype.setLocalDescription =
|
|
function setLocalDescription() {
|
|
if (!arguments.length || !arguments[0].type) {
|
|
return origSetLocalDescription.apply(this, arguments);
|
|
}
|
|
arguments[0] = replaceExternalStreamId(this, arguments[0]);
|
|
return origSetLocalDescription.apply(this, arguments);
|
|
};
|
|
|
|
// TODO: mangle getStats: https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamstats-streamidentifier
|
|
|
|
const origLocalDescription = Object.getOwnPropertyDescriptor(
|
|
window.RTCPeerConnection.prototype, 'localDescription');
|
|
Object.defineProperty(window.RTCPeerConnection.prototype,
|
|
'localDescription', {
|
|
get() {
|
|
const description = origLocalDescription.get.apply(this);
|
|
if (description.type === '') {
|
|
return description;
|
|
}
|
|
return replaceInternalStreamId(this, description);
|
|
}
|
|
});
|
|
|
|
window.RTCPeerConnection.prototype.removeTrack =
|
|
function removeTrack(sender) {
|
|
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');
|
|
}
|
|
const 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 || {};
|
|
let stream;
|
|
Object.keys(this._streams).forEach(streamid => {
|
|
const hasTrack = this._streams[streamid].getTracks()
|
|
.find(track => sender.track === track);
|
|
if (hasTrack) {
|
|
stream = this._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$2(window, browserDetails) {
|
|
if (!window.RTCPeerConnection && window.webkitRTCPeerConnection) {
|
|
// very basic support for old versions.
|
|
window.RTCPeerConnection = window.webkitRTCPeerConnection;
|
|
}
|
|
if (!window.RTCPeerConnection) {
|
|
return;
|
|
}
|
|
|
|
// shim implicit creation of RTCSessionDescription/RTCIceCandidate
|
|
if (browserDetails.version < 53) {
|
|
['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
|
|
.forEach(function (method) {
|
|
const nativeMethod = window.RTCPeerConnection.prototype[method];
|
|
const methodObj = {
|
|
[method]() {
|
|
arguments[0] = new ((method === 'addIceCandidate') ?
|
|
window.RTCIceCandidate :
|
|
window.RTCSessionDescription)(arguments[0]);
|
|
return nativeMethod.apply(this, arguments);
|
|
}
|
|
};
|
|
window.RTCPeerConnection.prototype[method] = methodObj[method];
|
|
});
|
|
}
|
|
}
|
|
|
|
// Attempt to fix ONN in plan-b mode.
|
|
function fixNegotiationNeeded(window, browserDetails) {
|
|
wrapPeerConnectionEvent(window, 'negotiationneeded', e => {
|
|
const pc = e.target;
|
|
if (browserDetails.version < 72 || (pc.getConfiguration &&
|
|
pc.getConfiguration().sdpSemantics === 'plan-b')) {
|
|
if (pc.signalingState !== 'stable') {
|
|
return;
|
|
}
|
|
}
|
|
return e;
|
|
});
|
|
}
|
|
|
|
var chromeShim = /*#__PURE__*/Object.freeze({
|
|
__proto__: null,
|
|
shimMediaStream: shimMediaStream,
|
|
shimOnTrack: shimOnTrack$1,
|
|
shimGetSendersWithDtmf: shimGetSendersWithDtmf,
|
|
shimGetStats: shimGetStats,
|
|
shimSenderReceiverGetStats: shimSenderReceiverGetStats,
|
|
shimAddTrackRemoveTrackWithNative: shimAddTrackRemoveTrackWithNative,
|
|
shimAddTrackRemoveTrack: shimAddTrackRemoveTrack,
|
|
shimPeerConnection: shimPeerConnection$2,
|
|
fixNegotiationNeeded: fixNegotiationNeeded,
|
|
shimGetUserMedia: shimGetUserMedia$3,
|
|
shimGetDisplayMedia: shimGetDisplayMedia$2
|
|
});
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
// 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$1(iceServers, edgeVersion) {
|
|
let hasTurn = false;
|
|
iceServers = JSON.parse(JSON.stringify(iceServers));
|
|
return iceServers.filter(server => {
|
|
if (server && (server.urls || server.url)) {
|
|
let urls = server.urls || server.url;
|
|
if (server.url && !server.urls) {
|
|
deprecated('RTCIceServer.url', 'RTCIceServer.urls');
|
|
}
|
|
const isString = typeof urls === 'string';
|
|
if (isString) {
|
|
urls = [urls];
|
|
}
|
|
urls = urls.filter(url => {
|
|
// filter STUN unconditionally.
|
|
if (url.indexOf('stun:') === 0) {
|
|
return false;
|
|
}
|
|
|
|
const 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;
|
|
}
|
|
});
|
|
}
|
|
|
|
function createCommonjsModule(fn) {
|
|
var module = {exports: {}};
|
|
return fn(module, module.exports), module.exports;
|
|
}
|
|
|
|
/* eslint-env node */
|
|
|
|
var sdp = createCommonjsModule(function (module) {
|
|
|
|
// SDP helpers.
|
|
var SDPUtils = {};
|
|
|
|
// Generate an alphanumeric identifier for cname or mids.
|
|
// TODO: use UUIDs instead? https://gist.github.com/jed/982883
|
|
SDPUtils.generateIdentifier = function () {
|
|
return Math.random().toString(36).substr(2, 10);
|
|
};
|
|
|
|
// The RTCP CNAME used by all peerconnections from the same JS.
|
|
SDPUtils.localCName = SDPUtils.generateIdentifier();
|
|
|
|
// Splits SDP into lines, dealing with both CRLF and LF.
|
|
SDPUtils.splitLines = function (blob) {
|
|
return blob.trim().split('\n').map(function (line) {
|
|
return line.trim();
|
|
});
|
|
};
|
|
// Splits SDP into sessionpart and mediasections. Ensures CRLF.
|
|
SDPUtils.splitSections = function (blob) {
|
|
var parts = blob.split('\nm=');
|
|
return parts.map(function (part, index) {
|
|
return (index > 0 ? 'm=' + part : part).trim() + '\r\n';
|
|
});
|
|
};
|
|
|
|
// returns the session description.
|
|
SDPUtils.getDescription = function (blob) {
|
|
var sections = SDPUtils.splitSections(blob);
|
|
return sections && sections[0];
|
|
};
|
|
|
|
// returns the individual media sections.
|
|
SDPUtils.getMediaSections = function (blob) {
|
|
var sections = SDPUtils.splitSections(blob);
|
|
sections.shift();
|
|
return sections;
|
|
};
|
|
|
|
// Returns lines that start with a certain prefix.
|
|
SDPUtils.matchPrefix = function (blob, prefix) {
|
|
return SDPUtils.splitLines(blob).filter(function (line) {
|
|
return line.indexOf(prefix) === 0;
|
|
});
|
|
};
|
|
|
|
// Parses an ICE candidate line. Sample input:
|
|
// candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8
|
|
// rport 55996"
|
|
SDPUtils.parseCandidate = function (line) {
|
|
var parts;
|
|
// Parse both variants.
|
|
if (line.indexOf('a=candidate:') === 0) {
|
|
parts = line.substring(12).split(' ');
|
|
} else {
|
|
parts = line.substring(10).split(' ');
|
|
}
|
|
|
|
var candidate = {
|
|
foundation: parts[0],
|
|
component: parseInt(parts[1], 10),
|
|
protocol: parts[2].toLowerCase(),
|
|
priority: parseInt(parts[3], 10),
|
|
ip: parts[4],
|
|
address: parts[4], // address is an alias for ip.
|
|
port: parseInt(parts[5], 10),
|
|
// skip parts[6] == 'typ'
|
|
type: parts[7]
|
|
};
|
|
|
|
for (var i = 8; i < parts.length; i += 2) {
|
|
switch (parts[i]) {
|
|
case 'raddr':
|
|
candidate.relatedAddress = parts[i + 1];
|
|
break;
|
|
case 'rport':
|
|
candidate.relatedPort = parseInt(parts[i + 1], 10);
|
|
break;
|
|
case 'tcptype':
|
|
candidate.tcpType = parts[i + 1];
|
|
break;
|
|
case 'ufrag':
|
|
candidate.ufrag = parts[i + 1]; // for backward compability.
|
|
candidate.usernameFragment = parts[i + 1];
|
|
break;
|
|
default: // extension handling, in particular ufrag
|
|
candidate[parts[i]] = parts[i + 1];
|
|
break;
|
|
}
|
|
}
|
|
return candidate;
|
|
};
|
|
|
|
// Translates a candidate object into SDP candidate attribute.
|
|
SDPUtils.writeCandidate = function (candidate) {
|
|
var sdp = [];
|
|
sdp.push(candidate.foundation);
|
|
sdp.push(candidate.component);
|
|
sdp.push(candidate.protocol.toUpperCase());
|
|
sdp.push(candidate.priority);
|
|
sdp.push(candidate.address || candidate.ip);
|
|
sdp.push(candidate.port);
|
|
|
|
var type = candidate.type;
|
|
sdp.push('typ');
|
|
sdp.push(type);
|
|
if (type !== 'host' && candidate.relatedAddress &&
|
|
candidate.relatedPort) {
|
|
sdp.push('raddr');
|
|
sdp.push(candidate.relatedAddress);
|
|
sdp.push('rport');
|
|
sdp.push(candidate.relatedPort);
|
|
}
|
|
if (candidate.tcpType && candidate.protocol.toLowerCase() === 'tcp') {
|
|
sdp.push('tcptype');
|
|
sdp.push(candidate.tcpType);
|
|
}
|
|
if (candidate.usernameFragment || candidate.ufrag) {
|
|
sdp.push('ufrag');
|
|
sdp.push(candidate.usernameFragment || candidate.ufrag);
|
|
}
|
|
return 'candidate:' + sdp.join(' ');
|
|
};
|
|
|
|
// Parses an ice-options line, returns an array of option tags.
|
|
// a=ice-options:foo bar
|
|
SDPUtils.parseIceOptions = function (line) {
|
|
return line.substr(14).split(' ');
|
|
};
|
|
|
|
// Parses an rtpmap line, returns RTCRtpCoddecParameters. Sample input:
|
|
// a=rtpmap:111 opus/48000/2
|
|
SDPUtils.parseRtpMap = function (line) {
|
|
var parts = line.substr(9).split(' ');
|
|
var parsed = {
|
|
payloadType: parseInt(parts.shift(), 10) // was: id
|
|
};
|
|
|
|
parts = parts[0].split('/');
|
|
|
|
parsed.name = parts[0];
|
|
parsed.clockRate = parseInt(parts[1], 10); // was: clockrate
|
|
parsed.channels = parts.length === 3 ? parseInt(parts[2], 10) : 1;
|
|
// legacy alias, got renamed back to channels in ORTC.
|
|
parsed.numChannels = parsed.channels;
|
|
return parsed;
|
|
};
|
|
|
|
// Generate an a=rtpmap line from RTCRtpCodecCapability or
|
|
// RTCRtpCodecParameters.
|
|
SDPUtils.writeRtpMap = function (codec) {
|
|
var pt = codec.payloadType;
|
|
if (codec.preferredPayloadType !== undefined) {
|
|
pt = codec.preferredPayloadType;
|
|
}
|
|
var channels = codec.channels || codec.numChannels || 1;
|
|
return 'a=rtpmap:' + pt + ' ' + codec.name + '/' + codec.clockRate +
|
|
(channels !== 1 ? '/' + channels : '') + '\r\n';
|
|
};
|
|
|
|
// Parses an a=extmap line (headerextension from RFC 5285). Sample input:
|
|
// a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
|
|
// a=extmap:2/sendonly urn:ietf:params:rtp-hdrext:toffset
|
|
SDPUtils.parseExtmap = function (line) {
|
|
var parts = line.substr(9).split(' ');
|
|
return {
|
|
id: parseInt(parts[0], 10),
|
|
direction: parts[0].indexOf('/') > 0 ? parts[0].split('/')[1] : 'sendrecv',
|
|
uri: parts[1]
|
|
};
|
|
};
|
|
|
|
// Generates a=extmap line from RTCRtpHeaderExtensionParameters or
|
|
// RTCRtpHeaderExtension.
|
|
SDPUtils.writeExtmap = function (headerExtension) {
|
|
return 'a=extmap:' + (headerExtension.id || headerExtension.preferredId) +
|
|
(headerExtension.direction && headerExtension.direction !== 'sendrecv'
|
|
? '/' + headerExtension.direction
|
|
: '') +
|
|
' ' + headerExtension.uri + '\r\n';
|
|
};
|
|
|
|
// Parses an ftmp line, returns dictionary. Sample input:
|
|
// a=fmtp:96 vbr=on;cng=on
|
|
// Also deals with vbr=on; cng=on
|
|
SDPUtils.parseFmtp = function (line) {
|
|
var parsed = {};
|
|
var kv;
|
|
var parts = line.substr(line.indexOf(' ') + 1).split(';');
|
|
for (var j = 0; j < parts.length; j++) {
|
|
kv = parts[j].trim().split('=');
|
|
parsed[kv[0].trim()] = kv[1];
|
|
}
|
|
return parsed;
|
|
};
|
|
|
|
// Generates an a=ftmp line from RTCRtpCodecCapability or RTCRtpCodecParameters.
|
|
SDPUtils.writeFmtp = function (codec) {
|
|
var line = '';
|
|
var pt = codec.payloadType;
|
|
if (codec.preferredPayloadType !== undefined) {
|
|
pt = codec.preferredPayloadType;
|
|
}
|
|
if (codec.parameters && Object.keys(codec.parameters).length) {
|
|
var params = [];
|
|
Object.keys(codec.parameters).forEach(function (param) {
|
|
if (codec.parameters[param]) {
|
|
params.push(param + '=' + codec.parameters[param]);
|
|
} else {
|
|
params.push(param);
|
|
}
|
|
});
|
|
line += 'a=fmtp:' + pt + ' ' + params.join(';') + '\r\n';
|
|
}
|
|
return line;
|
|
};
|
|
|
|
// Parses an rtcp-fb line, returns RTCPRtcpFeedback object. Sample input:
|
|
// a=rtcp-fb:98 nack rpsi
|
|
SDPUtils.parseRtcpFb = function (line) {
|
|
var parts = line.substr(line.indexOf(' ') + 1).split(' ');
|
|
return {
|
|
type: parts.shift(),
|
|
parameter: parts.join(' ')
|
|
};
|
|
};
|
|
// Generate a=rtcp-fb lines from RTCRtpCodecCapability or RTCRtpCodecParameters.
|
|
SDPUtils.writeRtcpFb = function (codec) {
|
|
var lines = '';
|
|
var pt = codec.payloadType;
|
|
if (codec.preferredPayloadType !== undefined) {
|
|
pt = codec.preferredPayloadType;
|
|
}
|
|
if (codec.rtcpFeedback && codec.rtcpFeedback.length) {
|
|
// FIXME: special handling for trr-int?
|
|
codec.rtcpFeedback.forEach(function (fb) {
|
|
lines += 'a=rtcp-fb:' + pt + ' ' + fb.type +
|
|
(fb.parameter && fb.parameter.length ? ' ' + fb.parameter : '') +
|
|
'\r\n';
|
|
});
|
|
}
|
|
return lines;
|
|
};
|
|
|
|
// Parses an RFC 5576 ssrc media attribute. Sample input:
|
|
// a=ssrc:3735928559 cname:something
|
|
SDPUtils.parseSsrcMedia = function (line) {
|
|
var sp = line.indexOf(' ');
|
|
var parts = {
|
|
ssrc: parseInt(line.substr(7, sp - 7), 10)
|
|
};
|
|
var colon = line.indexOf(':', sp);
|
|
if (colon > -1) {
|
|
parts.attribute = line.substr(sp + 1, colon - sp - 1);
|
|
parts.value = line.substr(colon + 1);
|
|
} else {
|
|
parts.attribute = line.substr(sp + 1);
|
|
}
|
|
return parts;
|
|
};
|
|
|
|
SDPUtils.parseSsrcGroup = function (line) {
|
|
var parts = line.substr(13).split(' ');
|
|
return {
|
|
semantics: parts.shift(),
|
|
ssrcs: parts.map(function (ssrc) {
|
|
return parseInt(ssrc, 10);
|
|
})
|
|
};
|
|
};
|
|
|
|
// Extracts the MID (RFC 5888) from a media section.
|
|
// returns the MID or undefined if no mid line was found.
|
|
SDPUtils.getMid = function (mediaSection) {
|
|
var mid = SDPUtils.matchPrefix(mediaSection, 'a=mid:')[0];
|
|
if (mid) {
|
|
return mid.substr(6);
|
|
}
|
|
};
|
|
|
|
SDPUtils.parseFingerprint = function (line) {
|
|
var parts = line.substr(14).split(' ');
|
|
return {
|
|
algorithm: parts[0].toLowerCase(), // algorithm is case-sensitive in Edge.
|
|
value: parts[1]
|
|
};
|
|
};
|
|
|
|
// Extracts DTLS parameters from SDP media section or sessionpart.
|
|
// FIXME: for consistency with other functions this should only
|
|
// get the fingerprint line as input. See also getIceParameters.
|
|
SDPUtils.getDtlsParameters = function (mediaSection, sessionpart) {
|
|
var lines = SDPUtils.matchPrefix(mediaSection + sessionpart,
|
|
'a=fingerprint:');
|
|
// Note: a=setup line is ignored since we use the 'auto' role.
|
|
// Note2: 'algorithm' is not case sensitive except in Edge.
|
|
return {
|
|
role: 'auto',
|
|
fingerprints: lines.map(SDPUtils.parseFingerprint)
|
|
};
|
|
};
|
|
|
|
// Serializes DTLS parameters to SDP.
|
|
SDPUtils.writeDtlsParameters = function (params, setupType) {
|
|
var sdp = 'a=setup:' + setupType + '\r\n';
|
|
params.fingerprints.forEach(function (fp) {
|
|
sdp += 'a=fingerprint:' + fp.algorithm + ' ' + fp.value + '\r\n';
|
|
});
|
|
return sdp;
|
|
};
|
|
|
|
// Parses a=crypto lines into
|
|
// https://rawgit.com/aboba/edgertc/master/msortc-rs4.html#dictionary-rtcsrtpsdesparameters-members
|
|
SDPUtils.parseCryptoLine = function (line) {
|
|
var parts = line.substr(9).split(' ');
|
|
return {
|
|
tag: parseInt(parts[0], 10),
|
|
cryptoSuite: parts[1],
|
|
keyParams: parts[2],
|
|
sessionParams: parts.slice(3),
|
|
};
|
|
};
|
|
|
|
SDPUtils.writeCryptoLine = function (parameters) {
|
|
return 'a=crypto:' + parameters.tag + ' ' +
|
|
parameters.cryptoSuite + ' ' +
|
|
(typeof parameters.keyParams === 'object'
|
|
? SDPUtils.writeCryptoKeyParams(parameters.keyParams)
|
|
: parameters.keyParams) +
|
|
(parameters.sessionParams ? ' ' + parameters.sessionParams.join(' ') : '') +
|
|
'\r\n';
|
|
};
|
|
|
|
// Parses the crypto key parameters into
|
|
// https://rawgit.com/aboba/edgertc/master/msortc-rs4.html#rtcsrtpkeyparam*
|
|
SDPUtils.parseCryptoKeyParams = function (keyParams) {
|
|
if (keyParams.indexOf('inline:') !== 0) {
|
|
return null;
|
|
}
|
|
var parts = keyParams.substr(7).split('|');
|
|
return {
|
|
keyMethod: 'inline',
|
|
keySalt: parts[0],
|
|
lifeTime: parts[1],
|
|
mkiValue: parts[2] ? parts[2].split(':')[0] : undefined,
|
|
mkiLength: parts[2] ? parts[2].split(':')[1] : undefined,
|
|
};
|
|
};
|
|
|
|
SDPUtils.writeCryptoKeyParams = function (keyParams) {
|
|
return keyParams.keyMethod + ':'
|
|
+ keyParams.keySalt +
|
|
(keyParams.lifeTime ? '|' + keyParams.lifeTime : '') +
|
|
(keyParams.mkiValue && keyParams.mkiLength
|
|
? '|' + keyParams.mkiValue + ':' + keyParams.mkiLength
|
|
: '');
|
|
};
|
|
|
|
// Extracts all SDES paramters.
|
|
SDPUtils.getCryptoParameters = function (mediaSection, sessionpart) {
|
|
var lines = SDPUtils.matchPrefix(mediaSection + sessionpart,
|
|
'a=crypto:');
|
|
return lines.map(SDPUtils.parseCryptoLine);
|
|
};
|
|
|
|
// Parses ICE information from SDP media section or sessionpart.
|
|
// FIXME: for consistency with other functions this should only
|
|
// get the ice-ufrag and ice-pwd lines as input.
|
|
SDPUtils.getIceParameters = function (mediaSection, sessionpart) {
|
|
var ufrag = SDPUtils.matchPrefix(mediaSection + sessionpart,
|
|
'a=ice-ufrag:')[0];
|
|
var pwd = SDPUtils.matchPrefix(mediaSection + sessionpart,
|
|
'a=ice-pwd:')[0];
|
|
if (!(ufrag && pwd)) {
|
|
return null;
|
|
}
|
|
return {
|
|
usernameFragment: ufrag.substr(12),
|
|
password: pwd.substr(10),
|
|
};
|
|
};
|
|
|
|
// Serializes ICE parameters to SDP.
|
|
SDPUtils.writeIceParameters = function (params) {
|
|
return 'a=ice-ufrag:' + params.usernameFragment + '\r\n' +
|
|
'a=ice-pwd:' + params.password + '\r\n';
|
|
};
|
|
|
|
// Parses the SDP media section and returns RTCRtpParameters.
|
|
SDPUtils.parseRtpParameters = function (mediaSection) {
|
|
var description = {
|
|
codecs: [],
|
|
headerExtensions: [],
|
|
fecMechanisms: [],
|
|
rtcp: []
|
|
};
|
|
var lines = SDPUtils.splitLines(mediaSection);
|
|
var mline = lines[0].split(' ');
|
|
for (var i = 3; i < mline.length; i++) { // find all codecs from mline[3..]
|
|
var pt = mline[i];
|
|
var rtpmapline = SDPUtils.matchPrefix(
|
|
mediaSection, 'a=rtpmap:' + pt + ' ')[0];
|
|
if (rtpmapline) {
|
|
var codec = SDPUtils.parseRtpMap(rtpmapline);
|
|
var fmtps = SDPUtils.matchPrefix(
|
|
mediaSection, 'a=fmtp:' + pt + ' ');
|
|
// Only the first a=fmtp:<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;
|
|
}
|
|
}
|
|
}
|
|
SDPUtils.matchPrefix(mediaSection, 'a=extmap:').forEach(function (line) {
|
|
description.headerExtensions.push(SDPUtils.parseExtmap(line));
|
|
});
|
|
// FIXME: parse rtcp.
|
|
return description;
|
|
};
|
|
|
|
// Generates parts of the SDP media section describing the capabilities /
|
|
// parameters.
|
|
SDPUtils.writeRtpDescription = function (kind, caps) {
|
|
var sdp = '';
|
|
|
|
// Build the mline.
|
|
sdp += 'm=' + kind + ' ';
|
|
sdp += caps.codecs.length > 0 ? '9' : '0'; // reject if no codecs.
|
|
sdp += ' UDP/TLS/RTP/SAVPF ';
|
|
sdp += caps.codecs.map(function (codec) {
|
|
if (codec.preferredPayloadType !== undefined) {
|
|
return codec.preferredPayloadType;
|
|
}
|
|
return codec.payloadType;
|
|
}).join(' ') + '\r\n';
|
|
|
|
sdp += 'c=IN IP4 0.0.0.0\r\n';
|
|
sdp += 'a=rtcp:9 IN IP4 0.0.0.0\r\n';
|
|
|
|
// Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb.
|
|
caps.codecs.forEach(function (codec) {
|
|
sdp += SDPUtils.writeRtpMap(codec);
|
|
sdp += SDPUtils.writeFmtp(codec);
|
|
sdp += SDPUtils.writeRtcpFb(codec);
|
|
});
|
|
var maxptime = 0;
|
|
caps.codecs.forEach(function (codec) {
|
|
if (codec.maxptime > maxptime) {
|
|
maxptime = codec.maxptime;
|
|
}
|
|
});
|
|
if (maxptime > 0) {
|
|
sdp += 'a=maxptime:' + maxptime + '\r\n';
|
|
}
|
|
sdp += 'a=rtcp-mux\r\n';
|
|
|
|
if (caps.headerExtensions) {
|
|
caps.headerExtensions.forEach(function (extension) {
|
|
sdp += SDPUtils.writeExtmap(extension);
|
|
});
|
|
}
|
|
// FIXME: write fecMechanisms.
|
|
return sdp;
|
|
};
|
|
|
|
// Parses the SDP media section and returns an array of
|
|
// RTCRtpEncodingParameters.
|
|
SDPUtils.parseRtpEncodingParameters = function (mediaSection) {
|
|
var encodingParameters = [];
|
|
var description = SDPUtils.parseRtpParameters(mediaSection);
|
|
var hasRed = description.fecMechanisms.indexOf('RED') !== -1;
|
|
var hasUlpfec = description.fecMechanisms.indexOf('ULPFEC') !== -1;
|
|
|
|
// filter a=ssrc:... cname:, ignore PlanB-msid
|
|
var ssrcs = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
|
|
.map(function (line) {
|
|
return SDPUtils.parseSsrcMedia(line);
|
|
})
|
|
.filter(function (parts) {
|
|
return parts.attribute === 'cname';
|
|
});
|
|
var primarySsrc = ssrcs.length > 0 && ssrcs[0].ssrc;
|
|
var secondarySsrc;
|
|
|
|
var flows = SDPUtils.matchPrefix(mediaSection, 'a=ssrc-group:FID')
|
|
.map(function (line) {
|
|
var parts = line.substr(17).split(' ');
|
|
return parts.map(function (part) {
|
|
return parseInt(part, 10);
|
|
});
|
|
});
|
|
if (flows.length > 0 && flows[0].length > 1 && flows[0][0] === primarySsrc) {
|
|
secondarySsrc = flows[0][1];
|
|
}
|
|
|
|
description.codecs.forEach(function (codec) {
|
|
if (codec.name.toUpperCase() === 'RTX' && codec.parameters.apt) {
|
|
var encParam = {
|
|
ssrc: primarySsrc,
|
|
codecPayloadType: parseInt(codec.parameters.apt, 10)
|
|
};
|
|
if (primarySsrc && secondarySsrc) {
|
|
encParam.rtx = {ssrc: secondarySsrc};
|
|
}
|
|
encodingParameters.push(encParam);
|
|
if (hasRed) {
|
|
encParam = JSON.parse(JSON.stringify(encParam));
|
|
encParam.fec = {
|
|
ssrc: primarySsrc,
|
|
mechanism: hasUlpfec ? 'red+ulpfec' : 'red'
|
|
};
|
|
encodingParameters.push(encParam);
|
|
}
|
|
}
|
|
});
|
|
if (encodingParameters.length === 0 && primarySsrc) {
|
|
encodingParameters.push({
|
|
ssrc: primarySsrc
|
|
});
|
|
}
|
|
|
|
// we support both b=AS and b=TIAS but interpret AS as TIAS.
|
|
var bandwidth = SDPUtils.matchPrefix(mediaSection, 'b=');
|
|
if (bandwidth.length) {
|
|
if (bandwidth[0].indexOf('b=TIAS:') === 0) {
|
|
bandwidth = parseInt(bandwidth[0].substr(7), 10);
|
|
} else if (bandwidth[0].indexOf('b=AS:') === 0) {
|
|
// use formula from JSEP to convert b=AS to TIAS value.
|
|
bandwidth = parseInt(bandwidth[0].substr(5), 10) * 1000 * 0.95
|
|
- (50 * 40 * 8);
|
|
} else {
|
|
bandwidth = undefined;
|
|
}
|
|
encodingParameters.forEach(function (params) {
|
|
params.maxBitrate = bandwidth;
|
|
});
|
|
}
|
|
return encodingParameters;
|
|
};
|
|
|
|
// parses http://draft.ortc.org/#rtcrtcpparameters*
|
|
SDPUtils.parseRtcpParameters = function (mediaSection) {
|
|
var rtcpParameters = {};
|
|
|
|
// Gets the first SSRC. Note tha with RTX there might be multiple
|
|
// SSRCs.
|
|
var remoteSsrc = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
|
|
.map(function (line) {
|
|
return SDPUtils.parseSsrcMedia(line);
|
|
})
|
|
.filter(function (obj) {
|
|
return obj.attribute === 'cname';
|
|
})[0];
|
|
if (remoteSsrc) {
|
|
rtcpParameters.cname = remoteSsrc.value;
|
|
rtcpParameters.ssrc = remoteSsrc.ssrc;
|
|
}
|
|
|
|
// Edge uses the compound attribute instead of reducedSize
|
|
// compound is !reducedSize
|
|
var rsize = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-rsize');
|
|
rtcpParameters.reducedSize = rsize.length > 0;
|
|
rtcpParameters.compound = rsize.length === 0;
|
|
|
|
// parses the rtcp-mux attrіbute.
|
|
// Note that Edge does not support unmuxed RTCP.
|
|
var mux = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-mux');
|
|
rtcpParameters.mux = mux.length > 0;
|
|
|
|
return rtcpParameters;
|
|
};
|
|
|
|
// parses either a=msid: or a=ssrc:... msid lines and returns
|
|
// the id of the MediaStream and MediaStreamTrack.
|
|
SDPUtils.parseMsid = function (mediaSection) {
|
|
var parts;
|
|
var spec = SDPUtils.matchPrefix(mediaSection, 'a=msid:');
|
|
if (spec.length === 1) {
|
|
parts = spec[0].substr(7).split(' ');
|
|
return {stream: parts[0], track: parts[1]};
|
|
}
|
|
var planB = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
|
|
.map(function (line) {
|
|
return SDPUtils.parseSsrcMedia(line);
|
|
})
|
|
.filter(function (msidParts) {
|
|
return msidParts.attribute === 'msid';
|
|
});
|
|
if (planB.length > 0) {
|
|
parts = planB[0].value.split(' ');
|
|
return {stream: parts[0], track: parts[1]};
|
|
}
|
|
};
|
|
|
|
// SCTP
|
|
// parses draft-ietf-mmusic-sctp-sdp-26 first and falls back
|
|
// to draft-ietf-mmusic-sctp-sdp-05
|
|
SDPUtils.parseSctpDescription = function (mediaSection) {
|
|
var mline = SDPUtils.parseMLine(mediaSection);
|
|
var maxSizeLine = SDPUtils.matchPrefix(mediaSection, 'a=max-message-size:');
|
|
var maxMessageSize;
|
|
if (maxSizeLine.length > 0) {
|
|
maxMessageSize = parseInt(maxSizeLine[0].substr(19), 10);
|
|
}
|
|
if (isNaN(maxMessageSize)) {
|
|
maxMessageSize = 65536;
|
|
}
|
|
var sctpPort = SDPUtils.matchPrefix(mediaSection, 'a=sctp-port:');
|
|
if (sctpPort.length > 0) {
|
|
return {
|
|
port: parseInt(sctpPort[0].substr(12), 10),
|
|
protocol: mline.fmt,
|
|
maxMessageSize: maxMessageSize
|
|
};
|
|
}
|
|
var sctpMapLines = SDPUtils.matchPrefix(mediaSection, 'a=sctpmap:');
|
|
if (sctpMapLines.length > 0) {
|
|
var parts = SDPUtils.matchPrefix(mediaSection, 'a=sctpmap:')[0]
|
|
.substr(10)
|
|
.split(' ');
|
|
return {
|
|
port: parseInt(parts[0], 10),
|
|
protocol: parts[1],
|
|
maxMessageSize: maxMessageSize
|
|
};
|
|
}
|
|
};
|
|
|
|
// SCTP
|
|
// outputs the draft-ietf-mmusic-sctp-sdp-26 version that all browsers
|
|
// support by now receiving in this format, unless we originally parsed
|
|
// as the draft-ietf-mmusic-sctp-sdp-05 format (indicated by the m-line
|
|
// protocol of DTLS/SCTP -- without UDP/ or TCP/)
|
|
SDPUtils.writeSctpDescription = function (media, sctp) {
|
|
var output = [];
|
|
if (media.protocol !== 'DTLS/SCTP') {
|
|
output = [
|
|
'm=' + media.kind + ' 9 ' + media.protocol + ' ' + sctp.protocol + '\r\n',
|
|
'c=IN IP4 0.0.0.0\r\n',
|
|
'a=sctp-port:' + sctp.port + '\r\n'
|
|
];
|
|
} else {
|
|
output = [
|
|
'm=' + media.kind + ' 9 ' + media.protocol + ' ' + sctp.port + '\r\n',
|
|
'c=IN IP4 0.0.0.0\r\n',
|
|
'a=sctpmap:' + sctp.port + ' ' + sctp.protocol + ' 65535\r\n'
|
|
];
|
|
}
|
|
if (sctp.maxMessageSize !== undefined) {
|
|
output.push('a=max-message-size:' + sctp.maxMessageSize + '\r\n');
|
|
}
|
|
return output.join('');
|
|
};
|
|
|
|
// Generate a session ID for SDP.
|
|
// https://tools.ietf.org/html/draft-ietf-rtcweb-jsep-20#section-5.2.1
|
|
// recommends using a cryptographically random +ve 64-bit value
|
|
// but right now this should be acceptable and within the right range
|
|
SDPUtils.generateSessionId = function () {
|
|
return Math.random().toString().substr(2, 21);
|
|
};
|
|
|
|
// Write boilder plate for start of SDP
|
|
// sessId argument is optional - if not supplied it will
|
|
// be generated randomly
|
|
// sessVersion is optional and defaults to 2
|
|
// sessUser is optional and defaults to 'thisisadapterortc'
|
|
SDPUtils.writeSessionBoilerplate = function (sessId, sessVer, sessUser) {
|
|
var sessionId;
|
|
var version = sessVer !== undefined ? sessVer : 2;
|
|
if (sessId) {
|
|
sessionId = sessId;
|
|
} else {
|
|
sessionId = SDPUtils.generateSessionId();
|
|
}
|
|
var user = sessUser || 'thisisadapterortc';
|
|
// FIXME: sess-id should be an NTP timestamp.
|
|
return 'v=0\r\n' +
|
|
'o=' + user + ' ' + sessionId + ' ' + version +
|
|
' IN IP4 127.0.0.1\r\n' +
|
|
's=-\r\n' +
|
|
't=0 0\r\n';
|
|
};
|
|
|
|
SDPUtils.writeMediaSection = function (transceiver, caps, type, stream) {
|
|
var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps);
|
|
|
|
// Map ICE parameters (ufrag, pwd) to SDP.
|
|
sdp += SDPUtils.writeIceParameters(
|
|
transceiver.iceGatherer.getLocalParameters());
|
|
|
|
// Map DTLS parameters to SDP.
|
|
sdp += SDPUtils.writeDtlsParameters(
|
|
transceiver.dtlsTransport.getLocalParameters(),
|
|
type === 'offer' ? 'actpass' : 'active');
|
|
|
|
sdp += 'a=mid:' + transceiver.mid + '\r\n';
|
|
|
|
if (transceiver.direction) {
|
|
sdp += 'a=' + transceiver.direction + '\r\n';
|
|
} else if (transceiver.rtpSender && transceiver.rtpReceiver) {
|
|
sdp += 'a=sendrecv\r\n';
|
|
} else if (transceiver.rtpSender) {
|
|
sdp += 'a=sendonly\r\n';
|
|
} else if (transceiver.rtpReceiver) {
|
|
sdp += 'a=recvonly\r\n';
|
|
} else {
|
|
sdp += 'a=inactive\r\n';
|
|
}
|
|
|
|
if (transceiver.rtpSender) {
|
|
// spec.
|
|
var msid = 'msid:' + stream.id + ' ' +
|
|
transceiver.rtpSender.track.id + '\r\n';
|
|
sdp += 'a=' + msid;
|
|
|
|
// for Chrome.
|
|
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
|
|
' ' + msid;
|
|
if (transceiver.sendEncodingParameters[0].rtx) {
|
|
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
|
|
' ' + msid;
|
|
sdp += 'a=ssrc-group:FID ' +
|
|
transceiver.sendEncodingParameters[0].ssrc + ' ' +
|
|
transceiver.sendEncodingParameters[0].rtx.ssrc +
|
|
'\r\n';
|
|
}
|
|
}
|
|
// FIXME: this should be written by writeRtpDescription.
|
|
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
|
|
' cname:' + SDPUtils.localCName + '\r\n';
|
|
if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {
|
|
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
|
|
' cname:' + SDPUtils.localCName + '\r\n';
|
|
}
|
|
return sdp;
|
|
};
|
|
|
|
// Gets the direction from the mediaSection or the sessionpart.
|
|
SDPUtils.getDirection = function (mediaSection, sessionpart) {
|
|
// Look for sendrecv, sendonly, recvonly, inactive, default to sendrecv.
|
|
var lines = SDPUtils.splitLines(mediaSection);
|
|
for (var i = 0; i < lines.length; i++) {
|
|
switch (lines[i]) {
|
|
case 'a=sendrecv':
|
|
case 'a=sendonly':
|
|
case 'a=recvonly':
|
|
case 'a=inactive':
|
|
return lines[i].substr(2);
|
|
// 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.
|
|
{
|
|
module.exports = SDPUtils;
|
|
}
|
|
});
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
|
|
|
|
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$1 = sdp.writeRtpDescription(transceiver.kind, caps);
|
|
|
|
// Map ICE parameters (ufrag, pwd) to SDP.
|
|
sdp$1 += sdp.writeIceParameters(
|
|
transceiver.iceGatherer.getLocalParameters());
|
|
|
|
// Map DTLS parameters to SDP.
|
|
sdp$1 += sdp.writeDtlsParameters(
|
|
transceiver.dtlsTransport.getLocalParameters(),
|
|
type === 'offer' ? 'actpass' : dtlsRole || 'active');
|
|
|
|
sdp$1 += 'a=mid:' + transceiver.mid + '\r\n';
|
|
|
|
if (transceiver.rtpSender && transceiver.rtpReceiver) {
|
|
sdp$1 += 'a=sendrecv\r\n';
|
|
} else if (transceiver.rtpSender) {
|
|
sdp$1 += 'a=sendonly\r\n';
|
|
} else if (transceiver.rtpReceiver) {
|
|
sdp$1 += 'a=recvonly\r\n';
|
|
} else {
|
|
sdp$1 += '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$1 += 'a=' + msid;
|
|
// for Chrome. Legacy should no longer be required.
|
|
sdp$1 += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
|
|
' ' + msid;
|
|
|
|
// RTX
|
|
if (transceiver.sendEncodingParameters[0].rtx) {
|
|
sdp$1 += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
|
|
' ' + msid;
|
|
sdp$1 += 'a=ssrc-group:FID ' +
|
|
transceiver.sendEncodingParameters[0].ssrc + ' ' +
|
|
transceiver.sendEncodingParameters[0].rtx.ssrc +
|
|
'\r\n';
|
|
}
|
|
}
|
|
// FIXME: this should be written by writeRtpDescription.
|
|
sdp$1 += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
|
|
' cname:' + sdp.localCName + '\r\n';
|
|
if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {
|
|
sdp$1 += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
|
|
' cname:' + sdp.localCName + '\r\n';
|
|
}
|
|
return sdp$1;
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
|
|
var rtcpeerconnection = 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 = sdp.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 = sdp.writeCandidate(cand);
|
|
event.candidate = Object.assign(event.candidate,
|
|
sdp.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 = sdp.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 =
|
|
sdp.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: sdp.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 = sdp.splitSections(description.sdp);
|
|
sessionpart = sections.shift();
|
|
sections.forEach(function (mediaSection, sdpMLineIndex) {
|
|
var caps = sdp.parseRtpParameters(mediaSection);
|
|
pc.transceivers[sdpMLineIndex].localCapabilities = caps;
|
|
});
|
|
|
|
pc.transceivers.forEach(function (transceiver, sdpMLineIndex) {
|
|
pc._gather(transceiver.mid, sdpMLineIndex);
|
|
});
|
|
} else if (description.type === 'answer') {
|
|
sections = sdp.splitSections(pc._remoteDescription.sdp);
|
|
sessionpart = sections.shift();
|
|
var isIceLite = sdp.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 = sdp.isRejected(mediaSection) &&
|
|
sdp.matchPrefix(mediaSection, 'a=bundle-only').length === 0;
|
|
|
|
if (!rejected && !transceiver.rejected) {
|
|
var remoteIceParameters = sdp.getIceParameters(
|
|
mediaSection, sessionpart);
|
|
var remoteDtlsParameters = sdp.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 = sdp.splitSections(description.sdp);
|
|
var sessionpart = sections.shift();
|
|
var isIceLite = sdp.matchPrefix(sessionpart,
|
|
'a=ice-lite').length > 0;
|
|
var usingBundle = sdp.matchPrefix(sessionpart,
|
|
'a=group:BUNDLE ').length > 0;
|
|
pc.usingBundle = usingBundle;
|
|
var iceOptions = sdp.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 = sdp.splitLines(mediaSection);
|
|
var kind = sdp.getKind(mediaSection);
|
|
// treat bundle-only as not-rejected.
|
|
var rejected = sdp.isRejected(mediaSection) &&
|
|
sdp.matchPrefix(mediaSection, 'a=bundle-only').length === 0;
|
|
var protocol = lines[0].substr(2).split(' ')[2];
|
|
|
|
var direction = sdp.getDirection(mediaSection, sessionpart);
|
|
var remoteMsid = sdp.parseMsid(mediaSection);
|
|
|
|
var mid = sdp.getMid(mediaSection) || sdp.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 = sdp.parseRtpParameters(mediaSection);
|
|
var remoteIceParameters;
|
|
var remoteDtlsParameters;
|
|
if (!rejected) {
|
|
remoteIceParameters = sdp.getIceParameters(mediaSection,
|
|
sessionpart);
|
|
remoteDtlsParameters = sdp.getDtlsParameters(mediaSection,
|
|
sessionpart);
|
|
remoteDtlsParameters.role = 'client';
|
|
}
|
|
recvEncodingParameters =
|
|
sdp.parseRtpEncodingParameters(mediaSection);
|
|
|
|
var rtcpParameters = sdp.parseRtcpParameters(mediaSection);
|
|
|
|
var isComplete = sdp.matchPrefix(mediaSection,
|
|
'a=end-of-candidates', sessionpart).length > 0;
|
|
var cands = sdp.matchPrefix(mediaSection, 'a=candidate:')
|
|
.map(function (cand) {
|
|
return sdp.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 === '-') ; 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$1 = sdp.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 || sdp.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$1 += 'a=group:BUNDLE ' + pc.transceivers.map(function (t) {
|
|
return t.mid;
|
|
}).join(' ') + '\r\n';
|
|
}
|
|
sdp$1 += 'a=ice-options:trickle\r\n';
|
|
|
|
pc.transceivers.forEach(function (transceiver, sdpMLineIndex) {
|
|
sdp$1 += writeMediaSection(transceiver, transceiver.localCapabilities,
|
|
'offer', transceiver.stream, pc._dtlsRole);
|
|
sdp$1 += '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$1 += 'a=' + sdp.writeCandidate(cand) + '\r\n';
|
|
});
|
|
|
|
if (transceiver.iceGatherer.state === 'completed') {
|
|
sdp$1 += 'a=end-of-candidates\r\n';
|
|
}
|
|
}
|
|
});
|
|
|
|
var desc = new window.RTCSessionDescription({
|
|
type: 'offer',
|
|
sdp: sdp$1
|
|
});
|
|
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$1 = sdp.writeSessionBoilerplate(pc._sdpSessionId,
|
|
pc._sdpSessionVersion++);
|
|
if (pc.usingBundle) {
|
|
sdp$1 += 'a=group:BUNDLE ' + pc.transceivers.map(function (t) {
|
|
return t.mid;
|
|
}).join(' ') + '\r\n';
|
|
}
|
|
sdp$1 += 'a=ice-options:trickle\r\n';
|
|
|
|
var mediaSectionsInOffer = sdp.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$1 += 'm=application 0 DTLS/SCTP 5000\r\n';
|
|
} else {
|
|
sdp$1 += 'm=application 0 ' + transceiver.protocol +
|
|
' webrtc-datachannel\r\n';
|
|
}
|
|
} else if (transceiver.kind === 'audio') {
|
|
sdp$1 += 'm=audio 0 UDP/TLS/RTP/SAVPF 0\r\n' +
|
|
'a=rtpmap:0 PCMU/8000\r\n';
|
|
} else if (transceiver.kind === 'video') {
|
|
sdp$1 += 'm=video 0 UDP/TLS/RTP/SAVPF 120\r\n' +
|
|
'a=rtpmap:120 VP8/90000\r\n';
|
|
}
|
|
sdp$1 += '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$1 += writeMediaSection(transceiver, commonCapabilities,
|
|
'answer', transceiver.stream, pc._dtlsRole);
|
|
if (transceiver.rtcpParameters &&
|
|
transceiver.rtcpParameters.reducedSize) {
|
|
sdp$1 += 'a=rtcp-rsize\r\n';
|
|
}
|
|
});
|
|
|
|
var desc = new window.RTCSessionDescription({
|
|
type: 'answer',
|
|
sdp: sdp$1
|
|
});
|
|
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 = sdp.getMediaSections(pc._remoteDescription.sdp);
|
|
sections[j] += 'a=end-of-candidates\r\n';
|
|
pc._remoteDescription.sdp =
|
|
sdp.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 ?
|
|
sdp.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 = sdp.getMediaSections(pc._remoteDescription.sdp);
|
|
sections[sdpMLineIndex] += 'a=' +
|
|
(cand.type ? candidateString : 'end-of-candidates')
|
|
+ '\r\n';
|
|
pc._remoteDescription.sdp =
|
|
sdp.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;
|
|
};
|
|
|
|
/*
|
|
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree.
|
|
*/
|
|
|
|
function shimGetUserMedia$2(window) {
|
|
const navigator = window && window.navigator;
|
|
|
|
const shimError_ = function (e) {
|
|
return {
|
|
name: {PermissionDeniedError: 'NotAllowedError'}[e.name] || e.name,
|
|
message: e.message,
|
|
constraint: e.constraint,
|
|
toString() {
|
|
return this.name;
|
|
}
|
|
};
|
|
};
|
|
|
|
// getUserMedia error shim.
|
|
const origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);
|
|
navigator.mediaDevices.getUserMedia = function (c) {
|
|
return origGetUserMedia(c).catch(e => Promise.reject(shimError_(e)));
|
|
};
|
|
}
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
|
|
function shimGetDisplayMedia$1(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);
|
|
}
|
|
|
|
/*
|
|
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree.
|
|
*/
|
|
|
|
function shimPeerConnection$1(window, browserDetails) {
|
|
if (window.RTCIceGatherer) {
|
|
if (!window.RTCIceCandidate) {
|
|
window.RTCIceCandidate = function RTCIceCandidate(args) {
|
|
return args;
|
|
};
|
|
}
|
|
if (!window.RTCSessionDescription) {
|
|
window.RTCSessionDescription = function RTCSessionDescription(args) {
|
|
return args;
|
|
};
|
|
}
|
|
// this adds an additional event listener to MediaStrackTrack that signals
|
|
// when a tracks enabled property was changed. Workaround for a bug in
|
|
// addStream, see below. No longer required in 15025+
|
|
if (browserDetails.version < 15025) {
|
|
const origMSTEnabled = Object.getOwnPropertyDescriptor(
|
|
window.MediaStreamTrack.prototype, 'enabled');
|
|
Object.defineProperty(window.MediaStreamTrack.prototype, 'enabled', {
|
|
set(value) {
|
|
origMSTEnabled.set.call(this, value);
|
|
const 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() {
|
|
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;
|
|
}
|
|
|
|
const RTCPeerConnectionShim = rtcpeerconnection(window,
|
|
browserDetails.version);
|
|
window.RTCPeerConnection = function RTCPeerConnection(config) {
|
|
if (config && config.iceServers) {
|
|
config.iceServers = filterIceServers$1(config.iceServers,
|
|
browserDetails.version);
|
|
log$1('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;
|
|
}
|
|
}
|
|
|
|
var edgeShim = /*#__PURE__*/Object.freeze({
|
|
__proto__: null,
|
|
shimPeerConnection: shimPeerConnection$1,
|
|
shimReplaceTrack: shimReplaceTrack,
|
|
shimGetUserMedia: shimGetUserMedia$2,
|
|
shimGetDisplayMedia: shimGetDisplayMedia$1
|
|
});
|
|
|
|
/*
|
|
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree.
|
|
*/
|
|
|
|
function shimGetUserMedia$1(window, browserDetails) {
|
|
const navigator = window && window.navigator;
|
|
const MediaStreamTrack = window && window.MediaStreamTrack;
|
|
|
|
navigator.getUserMedia = function (constraints, onSuccess, onError) {
|
|
// Replace Firefox 44+'s deprecation warning with unprefixed version.
|
|
deprecated('navigator.getUserMedia',
|
|
'navigator.mediaDevices.getUserMedia');
|
|
navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);
|
|
};
|
|
|
|
if (!(browserDetails.version > 55 &&
|
|
'autoGainControl' in navigator.mediaDevices.getSupportedConstraints())) {
|
|
const remap = function (obj, a, b) {
|
|
if (a in obj && !(b in obj)) {
|
|
obj[b] = obj[a];
|
|
delete obj[a];
|
|
}
|
|
};
|
|
|
|
const nativeGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);
|
|
navigator.mediaDevices.getUserMedia = function (c) {
|
|
if (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) {
|
|
const nativeGetSettings = MediaStreamTrack.prototype.getSettings;
|
|
MediaStreamTrack.prototype.getSettings = function () {
|
|
const obj = nativeGetSettings.apply(this, arguments);
|
|
remap(obj, 'mozAutoGainControl', 'autoGainControl');
|
|
remap(obj, 'mozNoiseSuppression', 'noiseSuppression');
|
|
return obj;
|
|
};
|
|
}
|
|
|
|
if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) {
|
|
const nativeApplyConstraints =
|
|
MediaStreamTrack.prototype.applyConstraints;
|
|
MediaStreamTrack.prototype.applyConstraints = function (c) {
|
|
if (this.kind === 'audio' && typeof c === 'object') {
|
|
c = JSON.parse(JSON.stringify(c));
|
|
remap(c, 'autoGainControl', 'mozAutoGainControl');
|
|
remap(c, 'noiseSuppression', 'mozNoiseSuppression');
|
|
}
|
|
return nativeApplyConstraints.apply(this, [c]);
|
|
};
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
|
|
function shimGetDisplayMedia(window, preferredMediaSource) {
|
|
if (window.navigator.mediaDevices &&
|
|
'getDisplayMedia' in window.navigator.mediaDevices) {
|
|
return;
|
|
}
|
|
if (!(window.navigator.mediaDevices)) {
|
|
return;
|
|
}
|
|
window.navigator.mediaDevices.getDisplayMedia =
|
|
function getDisplayMedia(constraints) {
|
|
if (!(constraints && constraints.video)) {
|
|
const 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);
|
|
};
|
|
}
|
|
|
|
/*
|
|
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree.
|
|
*/
|
|
|
|
function shimOnTrack(window) {
|
|
if (typeof window === 'object' && window.RTCTrackEvent &&
|
|
('receiver' in window.RTCTrackEvent.prototype) &&
|
|
!('transceiver' in window.RTCTrackEvent.prototype)) {
|
|
Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
|
|
get() {
|
|
return {receiver: this.receiver};
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
function shimPeerConnection(window, browserDetails) {
|
|
if (typeof window !== 'object' ||
|
|
!(window.RTCPeerConnection || window.mozRTCPeerConnection)) {
|
|
return; // probably media.peerconnection.enabled=false in about:config
|
|
}
|
|
if (!window.RTCPeerConnection && window.mozRTCPeerConnection) {
|
|
// very basic support for old versions.
|
|
window.RTCPeerConnection = window.mozRTCPeerConnection;
|
|
}
|
|
|
|
if (browserDetails.version < 53) {
|
|
// shim away need for obsolete RTCIceCandidate/RTCSessionDescription.
|
|
['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
|
|
.forEach(function (method) {
|
|
const nativeMethod = window.RTCPeerConnection.prototype[method];
|
|
const methodObj = {
|
|
[method]() {
|
|
arguments[0] = new ((method === 'addIceCandidate') ?
|
|
window.RTCIceCandidate :
|
|
window.RTCSessionDescription)(arguments[0]);
|
|
return nativeMethod.apply(this, arguments);
|
|
}
|
|
};
|
|
window.RTCPeerConnection.prototype[method] = methodObj[method];
|
|
});
|
|
}
|
|
|
|
const modernStatsTypes = {
|
|
inboundrtp: 'inbound-rtp',
|
|
outboundrtp: 'outbound-rtp',
|
|
candidatepair: 'candidate-pair',
|
|
localcandidate: 'local-candidate',
|
|
remotecandidate: 'remote-candidate'
|
|
};
|
|
|
|
const nativeGetStats = window.RTCPeerConnection.prototype.getStats;
|
|
window.RTCPeerConnection.prototype.getStats = function getStats() {
|
|
const [selector, onSucc, onErr] = arguments;
|
|
return nativeGetStats.apply(this, [selector || null])
|
|
.then(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(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((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 === 'object' && window.RTCPeerConnection &&
|
|
window.RTCRtpSender)) {
|
|
return;
|
|
}
|
|
if (window.RTCRtpSender && 'getStats' in window.RTCRtpSender.prototype) {
|
|
return;
|
|
}
|
|
const origGetSenders = window.RTCPeerConnection.prototype.getSenders;
|
|
if (origGetSenders) {
|
|
window.RTCPeerConnection.prototype.getSenders = function getSenders() {
|
|
const senders = origGetSenders.apply(this, []);
|
|
senders.forEach(sender => sender._pc = this);
|
|
return senders;
|
|
};
|
|
}
|
|
|
|
const origAddTrack = window.RTCPeerConnection.prototype.addTrack;
|
|
if (origAddTrack) {
|
|
window.RTCPeerConnection.prototype.addTrack = function addTrack() {
|
|
const sender = origAddTrack.apply(this, arguments);
|
|
sender._pc = this;
|
|
return sender;
|
|
};
|
|
}
|
|
window.RTCRtpSender.prototype.getStats = function getStats() {
|
|
return this.track ? this._pc.getStats(this.track) :
|
|
Promise.resolve(new Map());
|
|
};
|
|
}
|
|
|
|
function shimReceiverGetStats(window) {
|
|
if (!(typeof window === 'object' && window.RTCPeerConnection &&
|
|
window.RTCRtpSender)) {
|
|
return;
|
|
}
|
|
if (window.RTCRtpSender && 'getStats' in window.RTCRtpReceiver.prototype) {
|
|
return;
|
|
}
|
|
const origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;
|
|
if (origGetReceivers) {
|
|
window.RTCPeerConnection.prototype.getReceivers = function getReceivers() {
|
|
const receivers = origGetReceivers.apply(this, []);
|
|
receivers.forEach(receiver => receiver._pc = this);
|
|
return receivers;
|
|
};
|
|
}
|
|
wrapPeerConnectionEvent(window, 'track', e => {
|
|
e.receiver._pc = e.srcElement;
|
|
return e;
|
|
});
|
|
window.RTCRtpReceiver.prototype.getStats = function getStats() {
|
|
return this._pc.getStats(this.track);
|
|
};
|
|
}
|
|
|
|
function shimRemoveStream(window) {
|
|
if (!window.RTCPeerConnection ||
|
|
'removeStream' in window.RTCPeerConnection.prototype) {
|
|
return;
|
|
}
|
|
window.RTCPeerConnection.prototype.removeStream =
|
|
function removeStream(stream) {
|
|
deprecated('removeStream', 'removeTrack');
|
|
this.getSenders().forEach(sender => {
|
|
if (sender.track && stream.getTracks().includes(sender.track)) {
|
|
this.removeTrack(sender);
|
|
}
|
|
});
|
|
};
|
|
}
|
|
|
|
function shimRTCDataChannel(window) {
|
|
// rename DataChannel to RTCDataChannel (native fix in FF60):
|
|
// https://bugzilla.mozilla.org/show_bug.cgi?id=1173851
|
|
if (window.DataChannel && !window.RTCDataChannel) {
|
|
window.RTCDataChannel = window.DataChannel;
|
|
}
|
|
}
|
|
|
|
function shimAddTransceiver(window) {
|
|
// https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647
|
|
// Firefox ignores the init sendEncodings options passed to addTransceiver
|
|
// https://bugzilla.mozilla.org/show_bug.cgi?id=1396918
|
|
if (!(typeof window === 'object' && window.RTCPeerConnection)) {
|
|
return;
|
|
}
|
|
const origAddTransceiver = window.RTCPeerConnection.prototype.addTransceiver;
|
|
if (origAddTransceiver) {
|
|
window.RTCPeerConnection.prototype.addTransceiver =
|
|
function addTransceiver() {
|
|
this.setParametersPromises = [];
|
|
const initParameters = arguments[1];
|
|
const shouldPerformCheck = initParameters &&
|
|
'sendEncodings' in initParameters;
|
|
if (shouldPerformCheck) {
|
|
// If sendEncodings params are provided, validate grammar
|
|
initParameters.sendEncodings.forEach((encodingParam) => {
|
|
if ('rid' in encodingParam) {
|
|
const ridRegex = /^[a-z0-9]{0,16}$/i;
|
|
if (!ridRegex.test(encodingParam.rid)) {
|
|
throw new TypeError('Invalid RID value provided.');
|
|
}
|
|
}
|
|
if ('scaleResolutionDownBy' in encodingParam) {
|
|
if (!(parseFloat(encodingParam.scaleResolutionDownBy) >= 1.0)) {
|
|
throw new RangeError('scale_resolution_down_by must be >= 1.0');
|
|
}
|
|
}
|
|
if ('maxFramerate' in encodingParam) {
|
|
if (!(parseFloat(encodingParam.maxFramerate) >= 0)) {
|
|
throw new RangeError('max_framerate must be >= 0.0');
|
|
}
|
|
}
|
|
});
|
|
}
|
|
const transceiver = origAddTransceiver.apply(this, arguments);
|
|
if (shouldPerformCheck) {
|
|
// Check if the init options were applied. If not we do this in an
|
|
// asynchronous way and save the promise reference in a global object.
|
|
// This is an ugly hack, but at the same time is way more robust than
|
|
// checking the sender parameters before and after the createOffer
|
|
// Also note that after the createoffer we are not 100% sure that
|
|
// the params were asynchronously applied so we might miss the
|
|
// opportunity to recreate offer.
|
|
const {sender} = transceiver;
|
|
const params = sender.getParameters();
|
|
if (!('encodings' in params) ||
|
|
// Avoid being fooled by patched getParameters() below.
|
|
(params.encodings.length === 1 &&
|
|
Object.keys(params.encodings[0]).length === 0)) {
|
|
params.encodings = initParameters.sendEncodings;
|
|
sender.sendEncodings = initParameters.sendEncodings;
|
|
this.setParametersPromises.push(sender.setParameters(params)
|
|
.then(() => {
|
|
delete sender.sendEncodings;
|
|
}).catch(() => {
|
|
delete sender.sendEncodings;
|
|
})
|
|
);
|
|
}
|
|
}
|
|
return transceiver;
|
|
};
|
|
}
|
|
}
|
|
|
|
function shimGetParameters(window) {
|
|
if (!(typeof window === 'object' && window.RTCRtpSender)) {
|
|
return;
|
|
}
|
|
const origGetParameters = window.RTCRtpSender.prototype.getParameters;
|
|
if (origGetParameters) {
|
|
window.RTCRtpSender.prototype.getParameters =
|
|
function getParameters() {
|
|
const params = origGetParameters.apply(this, arguments);
|
|
if (!('encodings' in params)) {
|
|
params.encodings = [].concat(this.sendEncodings || [{}]);
|
|
}
|
|
return params;
|
|
};
|
|
}
|
|
}
|
|
|
|
function shimCreateOffer(window) {
|
|
// https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647
|
|
// Firefox ignores the init sendEncodings options passed to addTransceiver
|
|
// https://bugzilla.mozilla.org/show_bug.cgi?id=1396918
|
|
if (!(typeof window === 'object' && window.RTCPeerConnection)) {
|
|
return;
|
|
}
|
|
const origCreateOffer = window.RTCPeerConnection.prototype.createOffer;
|
|
window.RTCPeerConnection.prototype.createOffer = function createOffer() {
|
|
if (this.setParametersPromises && this.setParametersPromises.length) {
|
|
return Promise.all(this.setParametersPromises)
|
|
.then(() => {
|
|
return origCreateOffer.apply(this, arguments);
|
|
})
|
|
.finally(() => {
|
|
this.setParametersPromises = [];
|
|
});
|
|
}
|
|
return origCreateOffer.apply(this, arguments);
|
|
};
|
|
}
|
|
|
|
function shimCreateAnswer(window) {
|
|
// https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647
|
|
// Firefox ignores the init sendEncodings options passed to addTransceiver
|
|
// https://bugzilla.mozilla.org/show_bug.cgi?id=1396918
|
|
if (!(typeof window === 'object' && window.RTCPeerConnection)) {
|
|
return;
|
|
}
|
|
const origCreateAnswer = window.RTCPeerConnection.prototype.createAnswer;
|
|
window.RTCPeerConnection.prototype.createAnswer = function createAnswer() {
|
|
if (this.setParametersPromises && this.setParametersPromises.length) {
|
|
return Promise.all(this.setParametersPromises)
|
|
.then(() => {
|
|
return origCreateAnswer.apply(this, arguments);
|
|
})
|
|
.finally(() => {
|
|
this.setParametersPromises = [];
|
|
});
|
|
}
|
|
return origCreateAnswer.apply(this, arguments);
|
|
};
|
|
}
|
|
|
|
var firefoxShim = /*#__PURE__*/Object.freeze({
|
|
__proto__: null,
|
|
shimOnTrack: shimOnTrack,
|
|
shimPeerConnection: shimPeerConnection,
|
|
shimSenderGetStats: shimSenderGetStats,
|
|
shimReceiverGetStats: shimReceiverGetStats,
|
|
shimRemoveStream: shimRemoveStream,
|
|
shimRTCDataChannel: shimRTCDataChannel,
|
|
shimAddTransceiver: shimAddTransceiver,
|
|
shimGetParameters: shimGetParameters,
|
|
shimCreateOffer: shimCreateOffer,
|
|
shimCreateAnswer: shimCreateAnswer,
|
|
shimGetUserMedia: shimGetUserMedia$1,
|
|
shimGetDisplayMedia: shimGetDisplayMedia
|
|
});
|
|
|
|
/*
|
|
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree.
|
|
*/
|
|
|
|
function shimLocalStreamsAPI(window) {
|
|
if (typeof window !== 'object' || !window.RTCPeerConnection) {
|
|
return;
|
|
}
|
|
if (!('getLocalStreams' in window.RTCPeerConnection.prototype)) {
|
|
window.RTCPeerConnection.prototype.getLocalStreams =
|
|
function getLocalStreams() {
|
|
if (!this._localStreams) {
|
|
this._localStreams = [];
|
|
}
|
|
return this._localStreams;
|
|
};
|
|
}
|
|
if (!('addStream' in window.RTCPeerConnection.prototype)) {
|
|
const _addTrack = window.RTCPeerConnection.prototype.addTrack;
|
|
window.RTCPeerConnection.prototype.addStream = function addStream(stream) {
|
|
if (!this._localStreams) {
|
|
this._localStreams = [];
|
|
}
|
|
if (!this._localStreams.includes(stream)) {
|
|
this._localStreams.push(stream);
|
|
}
|
|
// Try to emulate Chrome's behaviour of adding in audio-video order.
|
|
// Safari orders by track id.
|
|
stream.getAudioTracks().forEach(track => _addTrack.call(this, track,
|
|
stream));
|
|
stream.getVideoTracks().forEach(track => _addTrack.call(this, track,
|
|
stream));
|
|
};
|
|
|
|
window.RTCPeerConnection.prototype.addTrack =
|
|
function addTrack(track, ...streams) {
|
|
if (streams) {
|
|
streams.forEach((stream) => {
|
|
if (!this._localStreams) {
|
|
this._localStreams = [stream];
|
|
} else if (!this._localStreams.includes(stream)) {
|
|
this._localStreams.push(stream);
|
|
}
|
|
});
|
|
}
|
|
return _addTrack.apply(this, arguments);
|
|
};
|
|
}
|
|
if (!('removeStream' in window.RTCPeerConnection.prototype)) {
|
|
window.RTCPeerConnection.prototype.removeStream =
|
|
function removeStream(stream) {
|
|
if (!this._localStreams) {
|
|
this._localStreams = [];
|
|
}
|
|
const index = this._localStreams.indexOf(stream);
|
|
if (index === -1) {
|
|
return;
|
|
}
|
|
this._localStreams.splice(index, 1);
|
|
const tracks = stream.getTracks();
|
|
this.getSenders().forEach(sender => {
|
|
if (tracks.includes(sender.track)) {
|
|
this.removeTrack(sender);
|
|
}
|
|
});
|
|
};
|
|
}
|
|
}
|
|
|
|
function shimRemoteStreamsAPI(window) {
|
|
if (typeof window !== 'object' || !window.RTCPeerConnection) {
|
|
return;
|
|
}
|
|
if (!('getRemoteStreams' in window.RTCPeerConnection.prototype)) {
|
|
window.RTCPeerConnection.prototype.getRemoteStreams =
|
|
function getRemoteStreams() {
|
|
return this._remoteStreams ? this._remoteStreams : [];
|
|
};
|
|
}
|
|
if (!('onaddstream' in window.RTCPeerConnection.prototype)) {
|
|
Object.defineProperty(window.RTCPeerConnection.prototype, 'onaddstream', {
|
|
get() {
|
|
return this._onaddstream;
|
|
},
|
|
set(f) {
|
|
if (this._onaddstream) {
|
|
this.removeEventListener('addstream', this._onaddstream);
|
|
this.removeEventListener('track', this._onaddstreampoly);
|
|
}
|
|
this.addEventListener('addstream', this._onaddstream = f);
|
|
this.addEventListener('track', this._onaddstreampoly = (e) => {
|
|
e.streams.forEach(stream => {
|
|
if (!this._remoteStreams) {
|
|
this._remoteStreams = [];
|
|
}
|
|
if (this._remoteStreams.includes(stream)) {
|
|
return;
|
|
}
|
|
this._remoteStreams.push(stream);
|
|
const event = new Event('addstream');
|
|
event.stream = stream;
|
|
this.dispatchEvent(event);
|
|
});
|
|
});
|
|
}
|
|
});
|
|
const origSetRemoteDescription =
|
|
window.RTCPeerConnection.prototype.setRemoteDescription;
|
|
window.RTCPeerConnection.prototype.setRemoteDescription =
|
|
function setRemoteDescription() {
|
|
const pc = this;
|
|
if (!this._onaddstreampoly) {
|
|
this.addEventListener('track', this._onaddstreampoly = function (e) {
|
|
e.streams.forEach(stream => {
|
|
if (!pc._remoteStreams) {
|
|
pc._remoteStreams = [];
|
|
}
|
|
if (pc._remoteStreams.indexOf(stream) >= 0) {
|
|
return;
|
|
}
|
|
pc._remoteStreams.push(stream);
|
|
const event = new Event('addstream');
|
|
event.stream = stream;
|
|
pc.dispatchEvent(event);
|
|
});
|
|
});
|
|
}
|
|
return origSetRemoteDescription.apply(pc, arguments);
|
|
};
|
|
}
|
|
}
|
|
|
|
function shimCallbacksAPI(window) {
|
|
if (typeof window !== 'object' || !window.RTCPeerConnection) {
|
|
return;
|
|
}
|
|
const prototype = window.RTCPeerConnection.prototype;
|
|
const origCreateOffer = prototype.createOffer;
|
|
const origCreateAnswer = prototype.createAnswer;
|
|
const setLocalDescription = prototype.setLocalDescription;
|
|
const setRemoteDescription = prototype.setRemoteDescription;
|
|
const addIceCandidate = prototype.addIceCandidate;
|
|
|
|
prototype.createOffer =
|
|
function createOffer(successCallback, failureCallback) {
|
|
const options = (arguments.length >= 2) ? arguments[2] : arguments[0];
|
|
const promise = origCreateOffer.apply(this, [options]);
|
|
if (!failureCallback) {
|
|
return promise;
|
|
}
|
|
promise.then(successCallback, failureCallback);
|
|
return Promise.resolve();
|
|
};
|
|
|
|
prototype.createAnswer =
|
|
function createAnswer(successCallback, failureCallback) {
|
|
const options = (arguments.length >= 2) ? arguments[2] : arguments[0];
|
|
const promise = origCreateAnswer.apply(this, [options]);
|
|
if (!failureCallback) {
|
|
return promise;
|
|
}
|
|
promise.then(successCallback, failureCallback);
|
|
return Promise.resolve();
|
|
};
|
|
|
|
let withCallback = function (description, successCallback, failureCallback) {
|
|
const promise = setLocalDescription.apply(this, [description]);
|
|
if (!failureCallback) {
|
|
return promise;
|
|
}
|
|
promise.then(successCallback, failureCallback);
|
|
return Promise.resolve();
|
|
};
|
|
prototype.setLocalDescription = withCallback;
|
|
|
|
withCallback = function (description, successCallback, failureCallback) {
|
|
const promise = setRemoteDescription.apply(this, [description]);
|
|
if (!failureCallback) {
|
|
return promise;
|
|
}
|
|
promise.then(successCallback, failureCallback);
|
|
return Promise.resolve();
|
|
};
|
|
prototype.setRemoteDescription = withCallback;
|
|
|
|
withCallback = function (candidate, successCallback, failureCallback) {
|
|
const promise = addIceCandidate.apply(this, [candidate]);
|
|
if (!failureCallback) {
|
|
return promise;
|
|
}
|
|
promise.then(successCallback, failureCallback);
|
|
return Promise.resolve();
|
|
};
|
|
prototype.addIceCandidate = withCallback;
|
|
}
|
|
|
|
function shimGetUserMedia(window) {
|
|
const navigator = window && window.navigator;
|
|
|
|
if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {
|
|
// shim not needed in Safari 12.1
|
|
const mediaDevices = navigator.mediaDevices;
|
|
const _getUserMedia = mediaDevices.getUserMedia.bind(mediaDevices);
|
|
navigator.mediaDevices.getUserMedia = (constraints) => {
|
|
return _getUserMedia(shimConstraints(constraints));
|
|
};
|
|
}
|
|
|
|
if (!navigator.getUserMedia && navigator.mediaDevices &&
|
|
navigator.mediaDevices.getUserMedia) {
|
|
navigator.getUserMedia = function getUserMedia(constraints, cb, errcb) {
|
|
navigator.mediaDevices.getUserMedia(constraints)
|
|
.then(cb, errcb);
|
|
}.bind(navigator);
|
|
}
|
|
}
|
|
|
|
function shimConstraints(constraints) {
|
|
if (constraints && constraints.video !== undefined) {
|
|
return Object.assign({},
|
|
constraints,
|
|
{video: compactObject(constraints.video)}
|
|
);
|
|
}
|
|
|
|
return constraints;
|
|
}
|
|
|
|
function shimRTCIceServerUrls(window) {
|
|
if (!window.RTCPeerConnection) {
|
|
return;
|
|
}
|
|
// migrate from non-spec RTCIceServer.url to RTCIceServer.urls
|
|
const OrigPeerConnection = window.RTCPeerConnection;
|
|
window.RTCPeerConnection =
|
|
function RTCPeerConnection(pcConfig, pcConstraints) {
|
|
if (pcConfig && pcConfig.iceServers) {
|
|
const newIceServers = [];
|
|
for (let i = 0; i < pcConfig.iceServers.length; i++) {
|
|
let server = pcConfig.iceServers[i];
|
|
if (!server.hasOwnProperty('urls') &&
|
|
server.hasOwnProperty('url')) {
|
|
deprecated('RTCIceServer.url', 'RTCIceServer.urls');
|
|
server = JSON.parse(JSON.stringify(server));
|
|
server.urls = server.url;
|
|
delete server.url;
|
|
newIceServers.push(server);
|
|
} else {
|
|
newIceServers.push(pcConfig.iceServers[i]);
|
|
}
|
|
}
|
|
pcConfig.iceServers = newIceServers;
|
|
}
|
|
return new OrigPeerConnection(pcConfig, pcConstraints);
|
|
};
|
|
window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;
|
|
// wrap static methods. Currently just generateCertificate.
|
|
if ('generateCertificate' in OrigPeerConnection) {
|
|
Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
|
|
get() {
|
|
return OrigPeerConnection.generateCertificate;
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
function shimTrackEventTransceiver(window) {
|
|
// Add event.transceiver member over deprecated event.receiver
|
|
if (typeof window === 'object' && window.RTCTrackEvent &&
|
|
'receiver' in window.RTCTrackEvent.prototype &&
|
|
!('transceiver' in window.RTCTrackEvent.prototype)) {
|
|
Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
|
|
get() {
|
|
return {receiver: this.receiver};
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
function shimCreateOfferLegacy(window) {
|
|
const origCreateOffer = window.RTCPeerConnection.prototype.createOffer;
|
|
window.RTCPeerConnection.prototype.createOffer =
|
|
function createOffer(offerOptions) {
|
|
if (offerOptions) {
|
|
if (typeof offerOptions.offerToReceiveAudio !== 'undefined') {
|
|
// support bit values
|
|
offerOptions.offerToReceiveAudio =
|
|
!!offerOptions.offerToReceiveAudio;
|
|
}
|
|
const audioTransceiver = this.getTransceivers().find(transceiver =>
|
|
transceiver.receiver.track.kind === 'audio');
|
|
if (offerOptions.offerToReceiveAudio === false && audioTransceiver) {
|
|
if (audioTransceiver.direction === 'sendrecv') {
|
|
if (audioTransceiver.setDirection) {
|
|
audioTransceiver.setDirection('sendonly');
|
|
} else {
|
|
audioTransceiver.direction = 'sendonly';
|
|
}
|
|
} else if (audioTransceiver.direction === 'recvonly') {
|
|
if (audioTransceiver.setDirection) {
|
|
audioTransceiver.setDirection('inactive');
|
|
} else {
|
|
audioTransceiver.direction = 'inactive';
|
|
}
|
|
}
|
|
} else if (offerOptions.offerToReceiveAudio === true &&
|
|
!audioTransceiver) {
|
|
this.addTransceiver('audio');
|
|
}
|
|
|
|
if (typeof offerOptions.offerToReceiveVideo !== 'undefined') {
|
|
// support bit values
|
|
offerOptions.offerToReceiveVideo =
|
|
!!offerOptions.offerToReceiveVideo;
|
|
}
|
|
const videoTransceiver = this.getTransceivers().find(transceiver =>
|
|
transceiver.receiver.track.kind === 'video');
|
|
if (offerOptions.offerToReceiveVideo === false && videoTransceiver) {
|
|
if (videoTransceiver.direction === 'sendrecv') {
|
|
if (videoTransceiver.setDirection) {
|
|
videoTransceiver.setDirection('sendonly');
|
|
} else {
|
|
videoTransceiver.direction = 'sendonly';
|
|
}
|
|
} else if (videoTransceiver.direction === 'recvonly') {
|
|
if (videoTransceiver.setDirection) {
|
|
videoTransceiver.setDirection('inactive');
|
|
} else {
|
|
videoTransceiver.direction = 'inactive';
|
|
}
|
|
}
|
|
} else if (offerOptions.offerToReceiveVideo === true &&
|
|
!videoTransceiver) {
|
|
this.addTransceiver('video');
|
|
}
|
|
}
|
|
return origCreateOffer.apply(this, arguments);
|
|
};
|
|
}
|
|
|
|
function shimAudioContext(window) {
|
|
if (typeof window !== 'object' || window.AudioContext) {
|
|
return;
|
|
}
|
|
window.AudioContext = window.webkitAudioContext;
|
|
}
|
|
|
|
var safariShim = /*#__PURE__*/Object.freeze({
|
|
__proto__: null,
|
|
shimLocalStreamsAPI: shimLocalStreamsAPI,
|
|
shimRemoteStreamsAPI: shimRemoteStreamsAPI,
|
|
shimCallbacksAPI: shimCallbacksAPI,
|
|
shimGetUserMedia: shimGetUserMedia,
|
|
shimConstraints: shimConstraints,
|
|
shimRTCIceServerUrls: shimRTCIceServerUrls,
|
|
shimTrackEventTransceiver: shimTrackEventTransceiver,
|
|
shimCreateOfferLegacy: shimCreateOfferLegacy,
|
|
shimAudioContext: shimAudioContext
|
|
});
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
|
|
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;
|
|
}
|
|
|
|
const NativeRTCIceCandidate = window.RTCIceCandidate;
|
|
window.RTCIceCandidate = function RTCIceCandidate(args) {
|
|
// Remove the a= which shouldn't be part of the candidate string.
|
|
if (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.
|
|
const nativeCandidate = new NativeRTCIceCandidate(args);
|
|
const parsedCandidate = sdp.parseCandidate(args.candidate);
|
|
const augmentedCandidate = Object.assign(nativeCandidate,
|
|
parsedCandidate);
|
|
|
|
// Add a serializer that does not serialize the extra attributes.
|
|
augmentedCandidate.toJSON = function toJSON() {
|
|
return {
|
|
candidate: augmentedCandidate.candidate,
|
|
sdpMid: augmentedCandidate.sdpMid,
|
|
sdpMLineIndex: augmentedCandidate.sdpMLineIndex,
|
|
usernameFragment: augmentedCandidate.usernameFragment,
|
|
};
|
|
};
|
|
return augmentedCandidate;
|
|
}
|
|
return new NativeRTCIceCandidate(args);
|
|
};
|
|
window.RTCIceCandidate.prototype = NativeRTCIceCandidate.prototype;
|
|
|
|
// Hook up the augmented candidate in onicecandidate and
|
|
// addEventListener('icecandidate', ...)
|
|
wrapPeerConnectionEvent(window, 'icecandidate', e => {
|
|
if (e.candidate) {
|
|
Object.defineProperty(e, 'candidate', {
|
|
value: new window.RTCIceCandidate(e.candidate),
|
|
writable: 'false'
|
|
});
|
|
}
|
|
return e;
|
|
});
|
|
}
|
|
|
|
function shimMaxMessageSize(window, browserDetails) {
|
|
if (!window.RTCPeerConnection) {
|
|
return;
|
|
}
|
|
|
|
if (!('sctp' in window.RTCPeerConnection.prototype)) {
|
|
Object.defineProperty(window.RTCPeerConnection.prototype, 'sctp', {
|
|
get() {
|
|
return typeof this._sctp === 'undefined' ? null : this._sctp;
|
|
}
|
|
});
|
|
}
|
|
|
|
const sctpInDescription = function (description) {
|
|
if (!description || !description.sdp) {
|
|
return false;
|
|
}
|
|
const sections = sdp.splitSections(description.sdp);
|
|
sections.shift();
|
|
return sections.some(mediaSection => {
|
|
const mLine = sdp.parseMLine(mediaSection);
|
|
return mLine && mLine.kind === 'application'
|
|
&& mLine.protocol.indexOf('SCTP') !== -1;
|
|
});
|
|
};
|
|
|
|
const getRemoteFirefoxVersion = function (description) {
|
|
// TODO: Is there a better solution for detecting Firefox?
|
|
const match = description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);
|
|
if (match === null || match.length < 2) {
|
|
return -1;
|
|
}
|
|
const version = parseInt(match[1], 10);
|
|
// Test for NaN (yes, this is ugly)
|
|
return version !== version ? -1 : version;
|
|
};
|
|
|
|
const getCanSendMaxMessageSize = function (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
|
|
let 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;
|
|
};
|
|
|
|
const getMaxMessageSize = function (description, remoteIsFirefox) {
|
|
// Note: 65536 bytes is the default value from the SDP spec. Also,
|
|
// every implementation we know supports receiving 65536 bytes.
|
|
let 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;
|
|
}
|
|
|
|
const match = sdp.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;
|
|
};
|
|
|
|
const origSetRemoteDescription =
|
|
window.RTCPeerConnection.prototype.setRemoteDescription;
|
|
window.RTCPeerConnection.prototype.setRemoteDescription =
|
|
function setRemoteDescription() {
|
|
this._sctp = null;
|
|
// Chrome decided to not expose .sctp in plan-b mode.
|
|
// As usual, adapter.js has to do an 'ugly worakaround'
|
|
// to cover up the mess.
|
|
if (browserDetails.browser === 'chrome' && browserDetails.version >= 76) {
|
|
const {sdpSemantics} = this.getConfiguration();
|
|
if (sdpSemantics === 'plan-b') {
|
|
Object.defineProperty(this, 'sctp', {
|
|
get() {
|
|
return typeof this._sctp === 'undefined' ? null : this._sctp;
|
|
},
|
|
enumerable: true,
|
|
configurable: true,
|
|
});
|
|
}
|
|
}
|
|
|
|
if (sctpInDescription(arguments[0])) {
|
|
// Check if the remote is FF.
|
|
const isFirefox = getRemoteFirefoxVersion(arguments[0]);
|
|
|
|
// Get the maximum message size the local peer is capable of sending
|
|
const canSendMMS = getCanSendMaxMessageSize(isFirefox);
|
|
|
|
// Get the maximum message size of the remote peer.
|
|
const remoteMMS = getMaxMessageSize(arguments[0], isFirefox);
|
|
|
|
// Determine final maximum message size
|
|
let maxMessageSize;
|
|
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.
|
|
const sctp = {};
|
|
Object.defineProperty(sctp, 'maxMessageSize', {
|
|
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) {
|
|
const origDataChannelSend = dc.send;
|
|
dc.send = function send() {
|
|
const data = arguments[0];
|
|
const 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);
|
|
};
|
|
}
|
|
|
|
const origCreateDataChannel =
|
|
window.RTCPeerConnection.prototype.createDataChannel;
|
|
window.RTCPeerConnection.prototype.createDataChannel =
|
|
function createDataChannel() {
|
|
const dataChannel = origCreateDataChannel.apply(this, arguments);
|
|
wrapDcSend(dataChannel, this);
|
|
return dataChannel;
|
|
};
|
|
wrapPeerConnectionEvent(window, 'datachannel', 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;
|
|
}
|
|
const proto = window.RTCPeerConnection.prototype;
|
|
Object.defineProperty(proto, 'connectionState', {
|
|
get() {
|
|
return {
|
|
completed: 'connected',
|
|
checking: 'connecting'
|
|
}[this.iceConnectionState] || this.iceConnectionState;
|
|
},
|
|
enumerable: true,
|
|
configurable: true
|
|
});
|
|
Object.defineProperty(proto, 'onconnectionstatechange', {
|
|
get() {
|
|
return this._onconnectionstatechange || null;
|
|
},
|
|
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((method) => {
|
|
const origMethod = proto[method];
|
|
proto[method] = function () {
|
|
if (!this._connectionstatechangepoly) {
|
|
this._connectionstatechangepoly = e => {
|
|
const pc = e.target;
|
|
if (pc._lastConnectionState !== pc.connectionState) {
|
|
pc._lastConnectionState = pc.connectionState;
|
|
const newEvent = new Event('connectionstatechange', e);
|
|
pc.dispatchEvent(newEvent);
|
|
}
|
|
return e;
|
|
};
|
|
this.addEventListener('iceconnectionstatechange',
|
|
this._connectionstatechangepoly);
|
|
}
|
|
return origMethod.apply(this, arguments);
|
|
};
|
|
});
|
|
}
|
|
|
|
function removeExtmapAllowMixed(window, browserDetails) {
|
|
/* remove a=extmap-allow-mixed for webrtc.org < M71 */
|
|
if (!window.RTCPeerConnection) {
|
|
return;
|
|
}
|
|
if (browserDetails.browser === 'chrome' && browserDetails.version >= 71) {
|
|
return;
|
|
}
|
|
if (browserDetails.browser === 'safari' && browserDetails.version >= 605) {
|
|
return;
|
|
}
|
|
const nativeSRD = window.RTCPeerConnection.prototype.setRemoteDescription;
|
|
window.RTCPeerConnection.prototype.setRemoteDescription =
|
|
function setRemoteDescription(desc) {
|
|
if (desc && desc.sdp && desc.sdp.indexOf('\na=extmap-allow-mixed') !== -1) {
|
|
const sdp = desc.sdp.split('\n').filter((line) => {
|
|
return line.trim() !== 'a=extmap-allow-mixed';
|
|
}).join('\n');
|
|
// Safari enforces read-only-ness of RTCSessionDescription fields.
|
|
if (window.RTCSessionDescription &&
|
|
desc instanceof window.RTCSessionDescription) {
|
|
arguments[0] = new window.RTCSessionDescription({
|
|
type: desc.type,
|
|
sdp,
|
|
});
|
|
} else {
|
|
desc.sdp = sdp;
|
|
}
|
|
}
|
|
return nativeSRD.apply(this, arguments);
|
|
};
|
|
}
|
|
|
|
function shimAddIceCandidateNullOrEmpty(window, browserDetails) {
|
|
// Support for addIceCandidate(null or undefined)
|
|
// as well as addIceCandidate({candidate: "", ...})
|
|
// https://bugs.chromium.org/p/chromium/issues/detail?id=978582
|
|
// Note: must be called before other polyfills which change the signature.
|
|
if (!(window.RTCPeerConnection && window.RTCPeerConnection.prototype)) {
|
|
return;
|
|
}
|
|
const nativeAddIceCandidate =
|
|
window.RTCPeerConnection.prototype.addIceCandidate;
|
|
if (!nativeAddIceCandidate || nativeAddIceCandidate.length === 0) {
|
|
return;
|
|
}
|
|
window.RTCPeerConnection.prototype.addIceCandidate =
|
|
function addIceCandidate() {
|
|
if (!arguments[0]) {
|
|
if (arguments[1]) {
|
|
arguments[1].apply(null);
|
|
}
|
|
return Promise.resolve();
|
|
}
|
|
// Firefox 68+ emits and processes {candidate: "", ...}, ignore
|
|
// in older versions.
|
|
// Native support for ignoring exists for Chrome M77+.
|
|
// Safari ignores as well, exact version unknown but works in the same
|
|
// version that also ignores addIceCandidate(null).
|
|
if (((browserDetails.browser === 'chrome' && browserDetails.version < 78)
|
|
|| (browserDetails.browser === 'firefox'
|
|
&& browserDetails.version < 68)
|
|
|| (browserDetails.browser === 'safari'))
|
|
&& arguments[0] && arguments[0].candidate === '') {
|
|
return Promise.resolve();
|
|
}
|
|
return nativeAddIceCandidate.apply(this, arguments);
|
|
};
|
|
}
|
|
|
|
var commonShim = /*#__PURE__*/Object.freeze({
|
|
__proto__: null,
|
|
shimRTCIceCandidate: shimRTCIceCandidate,
|
|
shimMaxMessageSize: shimMaxMessageSize,
|
|
shimSendThrowTypeError: shimSendThrowTypeError,
|
|
shimConnectionState: shimConnectionState,
|
|
removeExtmapAllowMixed: removeExtmapAllowMixed,
|
|
shimAddIceCandidateNullOrEmpty: shimAddIceCandidateNullOrEmpty
|
|
});
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
|
|
// Shimming starts here.
|
|
function adapterFactory({window} = {}, options = {
|
|
shimChrome: true,
|
|
shimFirefox: true,
|
|
shimEdge: true,
|
|
shimSafari: true,
|
|
}) {
|
|
// Utils.
|
|
const logging = log$1;
|
|
const browserDetails = detectBrowser(window);
|
|
|
|
const adapter = {
|
|
browserDetails,
|
|
commonShim,
|
|
extractVersion: extractVersion,
|
|
disableLog: disableLog,
|
|
disableWarnings: disableWarnings
|
|
};
|
|
|
|
// Shim browser if found.
|
|
switch (browserDetails.browser) {
|
|
case 'chrome':
|
|
if (!chromeShim || !shimPeerConnection$2 ||
|
|
!options.shimChrome) {
|
|
logging('Chrome shim is not included in this adapter release.');
|
|
return adapter;
|
|
}
|
|
if (browserDetails.version === null) {
|
|
logging('Chrome shim can not determine version, not shimming.');
|
|
return adapter;
|
|
}
|
|
logging('adapter.js shimming chrome.');
|
|
// Export to the adapter global object visible in the browser.
|
|
adapter.browserShim = chromeShim;
|
|
|
|
// Must be called before shimPeerConnection.
|
|
shimAddIceCandidateNullOrEmpty(window, browserDetails);
|
|
|
|
shimGetUserMedia$3(window, browserDetails);
|
|
shimMediaStream(window);
|
|
shimPeerConnection$2(window, browserDetails);
|
|
shimOnTrack$1(window);
|
|
shimAddTrackRemoveTrack(window, browserDetails);
|
|
shimGetSendersWithDtmf(window);
|
|
shimGetStats(window);
|
|
shimSenderReceiverGetStats(window);
|
|
fixNegotiationNeeded(window, browserDetails);
|
|
|
|
shimRTCIceCandidate(window);
|
|
shimConnectionState(window);
|
|
shimMaxMessageSize(window, browserDetails);
|
|
shimSendThrowTypeError(window);
|
|
removeExtmapAllowMixed(window, browserDetails);
|
|
break;
|
|
case 'firefox':
|
|
if (!firefoxShim || !shimPeerConnection ||
|
|
!options.shimFirefox) {
|
|
logging('Firefox shim is not included in this adapter release.');
|
|
return adapter;
|
|
}
|
|
logging('adapter.js shimming firefox.');
|
|
// Export to the adapter global object visible in the browser.
|
|
adapter.browserShim = firefoxShim;
|
|
|
|
// Must be called before shimPeerConnection.
|
|
shimAddIceCandidateNullOrEmpty(window, browserDetails);
|
|
|
|
shimGetUserMedia$1(window, browserDetails);
|
|
shimPeerConnection(window, browserDetails);
|
|
shimOnTrack(window);
|
|
shimRemoveStream(window);
|
|
shimSenderGetStats(window);
|
|
shimReceiverGetStats(window);
|
|
shimRTCDataChannel(window);
|
|
shimAddTransceiver(window);
|
|
shimGetParameters(window);
|
|
shimCreateOffer(window);
|
|
shimCreateAnswer(window);
|
|
|
|
shimRTCIceCandidate(window);
|
|
shimConnectionState(window);
|
|
shimMaxMessageSize(window, browserDetails);
|
|
shimSendThrowTypeError(window);
|
|
break;
|
|
case 'edge':
|
|
if (!edgeShim || !shimPeerConnection$1 || !options.shimEdge) {
|
|
logging('MS edge shim is not included in this adapter release.');
|
|
return adapter;
|
|
}
|
|
logging('adapter.js shimming edge.');
|
|
// Export to the adapter global object visible in the browser.
|
|
adapter.browserShim = edgeShim;
|
|
|
|
shimGetUserMedia$2(window);
|
|
shimGetDisplayMedia$1(window);
|
|
shimPeerConnection$1(window, browserDetails);
|
|
shimReplaceTrack(window);
|
|
|
|
// the edge shim implements the full RTCIceCandidate object.
|
|
|
|
shimMaxMessageSize(window, browserDetails);
|
|
shimSendThrowTypeError(window);
|
|
break;
|
|
case 'safari':
|
|
if (!safariShim || !options.shimSafari) {
|
|
logging('Safari shim is not included in this adapter release.');
|
|
return adapter;
|
|
}
|
|
logging('adapter.js shimming safari.');
|
|
// Export to the adapter global object visible in the browser.
|
|
adapter.browserShim = safariShim;
|
|
|
|
// Must be called before shimCallbackAPI.
|
|
shimAddIceCandidateNullOrEmpty(window, browserDetails);
|
|
|
|
shimRTCIceServerUrls(window);
|
|
shimCreateOfferLegacy(window);
|
|
shimCallbacksAPI(window);
|
|
shimLocalStreamsAPI(window);
|
|
shimRemoteStreamsAPI(window);
|
|
shimTrackEventTransceiver(window);
|
|
shimGetUserMedia(window);
|
|
shimAudioContext(window);
|
|
|
|
shimRTCIceCandidate(window);
|
|
shimMaxMessageSize(window, browserDetails);
|
|
shimSendThrowTypeError(window);
|
|
removeExtmapAllowMixed(window, browserDetails);
|
|
break;
|
|
default:
|
|
logging('Unsupported browser!');
|
|
break;
|
|
}
|
|
|
|
return adapter;
|
|
}
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
|
|
adapterFactory({window: typeof window === 'undefined' ? undefined : window});
|
|
|
|
/**
|
|
* @class AudioTrackConstraints
|
|
* @classDesc Constraints for creating an audio MediaStreamTrack.
|
|
* @memberof Owt.Base
|
|
* @constructor
|
|
* @param {Owt.Base.AudioSourceInfo} source Source info of this audio track.
|
|
*/
|
|
|
|
class AudioTrackConstraints {
|
|
// eslint-disable-next-line require-jsdoc
|
|
constructor(source) {
|
|
if (!Object.values(AudioSourceInfo).some(v => v === source)) {
|
|
throw new TypeError('Invalid source.');
|
|
}
|
|
/**
|
|
* @member {string} source
|
|
* @memberof Owt.Base.AudioTrackConstraints
|
|
* @desc Values could be "mic", "screen-cast", "file" or "mixed".
|
|
* @instance
|
|
*/
|
|
|
|
|
|
this.source = source;
|
|
/**
|
|
* @member {string} deviceId
|
|
* @memberof Owt.Base.AudioTrackConstraints
|
|
* @desc Do not provide deviceId if source is not "mic".
|
|
* @instance
|
|
* @see https://w3c.github.io/mediacapture-main/#def-constraint-deviceId
|
|
*/
|
|
|
|
this.deviceId = undefined;
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* @class VideoTrackConstraints
|
|
* @classDesc Constraints for creating a video MediaStreamTrack.
|
|
* @memberof Owt.Base
|
|
* @constructor
|
|
* @param {Owt.Base.VideoSourceInfo} source Source info of this video track.
|
|
*/
|
|
|
|
class VideoTrackConstraints {
|
|
// eslint-disable-next-line require-jsdoc
|
|
constructor(source) {
|
|
if (!Object.values(VideoSourceInfo).some(v => v === source)) {
|
|
throw new TypeError('Invalid source.');
|
|
}
|
|
/**
|
|
* @member {string} source
|
|
* @memberof Owt.Base.VideoTrackConstraints
|
|
* @desc Values could be "camera", "screen-cast", "file" or "mixed".
|
|
* @instance
|
|
*/
|
|
|
|
|
|
this.source = source;
|
|
/**
|
|
* @member {string} deviceId
|
|
* @memberof Owt.Base.VideoTrackConstraints
|
|
* @desc Do not provide deviceId if source is not "camera".
|
|
* @instance
|
|
* @see https://w3c.github.io/mediacapture-main/#def-constraint-deviceId
|
|
*/
|
|
|
|
this.deviceId = undefined;
|
|
/**
|
|
* @member {Owt.Base.Resolution} resolution
|
|
* @memberof Owt.Base.VideoTrackConstraints
|
|
* @instance
|
|
*/
|
|
|
|
this.resolution = undefined;
|
|
/**
|
|
* @member {number} frameRate
|
|
* @memberof Owt.Base.VideoTrackConstraints
|
|
* @instance
|
|
*/
|
|
|
|
this.frameRate = undefined;
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* @class StreamConstraints
|
|
* @classDesc Constraints for creating a MediaStream from screen mic and camera.
|
|
* @memberof Owt.Base
|
|
* @constructor
|
|
* @param {?Owt.Base.AudioTrackConstraints} audioConstraints
|
|
* @param {?Owt.Base.VideoTrackConstraints} videoConstraints
|
|
*/
|
|
|
|
class StreamConstraints {
|
|
// eslint-disable-next-line require-jsdoc
|
|
constructor(audioConstraints = false, videoConstraints = false) {
|
|
/**
|
|
* @member {Owt.Base.MediaStreamTrackDeviceConstraintsForAudio} audio
|
|
* @memberof Owt.Base.MediaStreamDeviceConstraints
|
|
* @instance
|
|
*/
|
|
this.audio = audioConstraints;
|
|
/**
|
|
* @member {Owt.Base.MediaStreamTrackDeviceConstraintsForVideo} Video
|
|
* @memberof Owt.Base.MediaStreamDeviceConstraints
|
|
* @instance
|
|
*/
|
|
|
|
this.video = videoConstraints;
|
|
}
|
|
|
|
} // eslint-disable-next-line require-jsdoc
|
|
|
|
function isVideoConstrainsForScreenCast(constraints) {
|
|
return typeof constraints.video === 'object' && constraints.video.source === VideoSourceInfo.SCREENCAST;
|
|
}
|
|
|
|
/**
|
|
* @class MediaStreamFactory
|
|
* @classDesc A factory to create MediaStream. You can also create MediaStream by yourself.
|
|
* @memberof Owt.Base
|
|
*/
|
|
|
|
|
|
class MediaStreamFactory {
|
|
/**
|
|
* @function createMediaStream
|
|
* @static
|
|
* @desc Create a MediaStream with given constraints. If you want to create a MediaStream for screen cast, please make sure both audio and video's source are "screen-cast".
|
|
* @memberof Owt.Base.MediaStreamFactory
|
|
* @return {Promise<MediaStream, Error>} Return a promise that is resolved when stream is successfully created, or rejected if one of the following error happened:
|
|
* - One or more parameters cannot be satisfied.
|
|
* - Specified device is busy.
|
|
* - Cannot obtain necessary permission or operation is canceled by user.
|
|
* - Video source is screen cast, while audio source is not.
|
|
* - Audio source is screen cast, while video source is disabled.
|
|
* @param {Owt.Base.StreamConstraints} constraints
|
|
*/
|
|
static createMediaStream(constraints) {
|
|
if (typeof constraints !== 'object' || !constraints.audio && !constraints.video) {
|
|
return Promise.reject(new TypeError('Invalid constrains'));
|
|
}
|
|
|
|
if (!isVideoConstrainsForScreenCast(constraints) && typeof constraints.audio === 'object' && constraints.audio.source === AudioSourceInfo.SCREENCAST) {
|
|
return Promise.reject(new TypeError('Cannot share screen without video.'));
|
|
}
|
|
|
|
if (isVideoConstrainsForScreenCast(constraints) && !isChrome() && !isFirefox()) {
|
|
return Promise.reject(new TypeError('Screen sharing only supports Chrome and Firefox.'));
|
|
}
|
|
|
|
if (isVideoConstrainsForScreenCast(constraints) && typeof constraints.audio === 'object' && constraints.audio.source !== AudioSourceInfo.SCREENCAST) {
|
|
return Promise.reject(new TypeError('Cannot capture video from screen cast while capture audio from' + ' other source.'));
|
|
} // Check and convert constraints.
|
|
|
|
|
|
if (!constraints.audio && !constraints.video) {
|
|
return Promise.reject(new TypeError('At least one of audio and video must be requested.'));
|
|
}
|
|
|
|
const mediaConstraints = Object.create({});
|
|
|
|
if (typeof constraints.audio === 'object' && constraints.audio.source === AudioSourceInfo.MIC) {
|
|
mediaConstraints.audio = Object.create({});
|
|
|
|
if (isEdge()) {
|
|
mediaConstraints.audio.deviceId = constraints.audio.deviceId;
|
|
} else {
|
|
mediaConstraints.audio.deviceId = {
|
|
exact: constraints.audio.deviceId
|
|
};
|
|
}
|
|
} else {
|
|
if (constraints.audio.source === AudioSourceInfo.SCREENCAST) {
|
|
mediaConstraints.audio = true;
|
|
} else {
|
|
mediaConstraints.audio = constraints.audio;
|
|
}
|
|
}
|
|
|
|
if (typeof constraints.video === 'object') {
|
|
mediaConstraints.video = Object.create({});
|
|
|
|
if (typeof constraints.video.frameRate === 'number') {
|
|
mediaConstraints.video.frameRate = constraints.video.frameRate;
|
|
}
|
|
|
|
if (constraints.video.resolution && constraints.video.resolution.width && constraints.video.resolution.height) {
|
|
if (constraints.video.source === VideoSourceInfo.SCREENCAST) {
|
|
mediaConstraints.video.width = constraints.video.resolution.width;
|
|
mediaConstraints.video.height = constraints.video.resolution.height;
|
|
} else {
|
|
mediaConstraints.video.width = Object.create({});
|
|
mediaConstraints.video.width.exact = constraints.video.resolution.width;
|
|
mediaConstraints.video.height = Object.create({});
|
|
mediaConstraints.video.height.exact = constraints.video.resolution.height;
|
|
}
|
|
}
|
|
|
|
if (typeof constraints.video.deviceId === 'string') {
|
|
mediaConstraints.video.deviceId = {
|
|
exact: constraints.video.deviceId
|
|
};
|
|
}
|
|
|
|
if (isFirefox() && constraints.video.source === VideoSourceInfo.SCREENCAST) {
|
|
mediaConstraints.video.mediaSource = 'screen';
|
|
}
|
|
} else {
|
|
mediaConstraints.video = constraints.video;
|
|
}
|
|
|
|
if (isVideoConstrainsForScreenCast(constraints)) {
|
|
return navigator.mediaDevices.getDisplayMedia(mediaConstraints);
|
|
} else {
|
|
return navigator.mediaDevices.getUserMedia(mediaConstraints);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
// Copyright (C) <2018> Intel Corporation
|
|
|
|
var media = /*#__PURE__*/Object.freeze({
|
|
__proto__: null,
|
|
AudioTrackConstraints: AudioTrackConstraints,
|
|
VideoTrackConstraints: VideoTrackConstraints,
|
|
StreamConstraints: StreamConstraints,
|
|
MediaStreamFactory: MediaStreamFactory,
|
|
AudioSourceInfo: AudioSourceInfo,
|
|
VideoSourceInfo: VideoSourceInfo,
|
|
TrackKind: TrackKind,
|
|
Resolution: Resolution
|
|
});
|
|
|
|
let logger;
|
|
let errorLogger;
|
|
|
|
function setLogger() {
|
|
/*eslint-disable */
|
|
logger = console.log;
|
|
errorLogger = console.error;
|
|
/*eslint-enable */
|
|
}
|
|
|
|
function log(message, ...optionalParams) {
|
|
if (logger) {
|
|
logger(message, ...optionalParams);
|
|
}
|
|
}
|
|
|
|
function error(message, ...optionalParams) {
|
|
if (errorLogger) {
|
|
errorLogger(message, ...optionalParams);
|
|
}
|
|
}
|
|
|
|
class Event$1 {
|
|
constructor(type) {
|
|
this.listener = {};
|
|
this.type = type | '';
|
|
}
|
|
|
|
on(event, fn) {
|
|
if (!this.listener[event]) {
|
|
this.listener[event] = [];
|
|
}
|
|
|
|
this.listener[event].push(fn);
|
|
return true;
|
|
}
|
|
|
|
off(event, fn) {
|
|
if (this.listener[event]) {
|
|
var index = this.listener[event].indexOf(fn);
|
|
|
|
if (index > -1) {
|
|
this.listener[event].splice(index, 1);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
offAll() {
|
|
this.listener = {};
|
|
}
|
|
|
|
dispatch(event, data) {
|
|
if (this.listener[event]) {
|
|
this.listener[event].map(each => {
|
|
each.apply(null, [data]);
|
|
});
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
}
|
|
|
|
var bind = function bind(fn, thisArg) {
|
|
return function wrap() {
|
|
var args = new Array(arguments.length);
|
|
for (var i = 0; i < args.length; i++) {
|
|
args[i] = arguments[i];
|
|
}
|
|
return fn.apply(thisArg, args);
|
|
};
|
|
};
|
|
|
|
/*global toString:true*/
|
|
|
|
// utils is a library of generic helper functions non-specific to axios
|
|
|
|
var toString = Object.prototype.toString;
|
|
|
|
/**
|
|
* Determine if a value is an Array
|
|
*
|
|
* @param {Object} val The value to test
|
|
* @returns {boolean} True if value is an Array, otherwise false
|
|
*/
|
|
function isArray(val) {
|
|
return toString.call(val) === '[object Array]';
|
|
}
|
|
|
|
/**
|
|
* Determine if a value is undefined
|
|
*
|
|
* @param {Object} val The value to test
|
|
* @returns {boolean} True if the value is undefined, otherwise false
|
|
*/
|
|
function isUndefined(val) {
|
|
return typeof val === 'undefined';
|
|
}
|
|
|
|
/**
|
|
* Determine if a value is a Buffer
|
|
*
|
|
* @param {Object} val The value to test
|
|
* @returns {boolean} True if value is a Buffer, otherwise false
|
|
*/
|
|
function isBuffer(val) {
|
|
return val !== null && !isUndefined(val) && val.constructor !== null && !isUndefined(val.constructor)
|
|
&& typeof val.constructor.isBuffer === 'function' && val.constructor.isBuffer(val);
|
|
}
|
|
|
|
/**
|
|
* Determine if a value is an ArrayBuffer
|
|
*
|
|
* @param {Object} val The value to test
|
|
* @returns {boolean} True if value is an ArrayBuffer, otherwise false
|
|
*/
|
|
function isArrayBuffer(val) {
|
|
return toString.call(val) === '[object ArrayBuffer]';
|
|
}
|
|
|
|
/**
|
|
* Determine if a value is a FormData
|
|
*
|
|
* @param {Object} val The value to test
|
|
* @returns {boolean} True if value is an FormData, otherwise false
|
|
*/
|
|
function isFormData(val) {
|
|
return (typeof FormData !== 'undefined') && (val instanceof FormData);
|
|
}
|
|
|
|
/**
|
|
* Determine if a value is a view on an ArrayBuffer
|
|
*
|
|
* @param {Object} val The value to test
|
|
* @returns {boolean} True if value is a view on an ArrayBuffer, otherwise false
|
|
*/
|
|
function isArrayBufferView(val) {
|
|
var result;
|
|
if ((typeof ArrayBuffer !== 'undefined') && (ArrayBuffer.isView)) {
|
|
result = ArrayBuffer.isView(val);
|
|
} else {
|
|
result = (val) && (val.buffer) && (val.buffer instanceof ArrayBuffer);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* Determine if a value is a String
|
|
*
|
|
* @param {Object} val The value to test
|
|
* @returns {boolean} True if value is a String, otherwise false
|
|
*/
|
|
function isString(val) {
|
|
return typeof val === 'string';
|
|
}
|
|
|
|
/**
|
|
* Determine if a value is a Number
|
|
*
|
|
* @param {Object} val The value to test
|
|
* @returns {boolean} True if value is a Number, otherwise false
|
|
*/
|
|
function isNumber(val) {
|
|
return typeof val === 'number';
|
|
}
|
|
|
|
/**
|
|
* Determine if a value is an Object
|
|
*
|
|
* @param {Object} val The value to test
|
|
* @returns {boolean} True if value is an Object, otherwise false
|
|
*/
|
|
function isObject(val) {
|
|
return val !== null && typeof val === 'object';
|
|
}
|
|
|
|
/**
|
|
* Determine if a value is a plain Object
|
|
*
|
|
* @param {Object} val The value to test
|
|
* @return {boolean} True if value is a plain Object, otherwise false
|
|
*/
|
|
function isPlainObject(val) {
|
|
if (toString.call(val) !== '[object Object]') {
|
|
return false;
|
|
}
|
|
|
|
var prototype = Object.getPrototypeOf(val);
|
|
return prototype === null || prototype === Object.prototype;
|
|
}
|
|
|
|
/**
|
|
* Determine if a value is a Date
|
|
*
|
|
* @param {Object} val The value to test
|
|
* @returns {boolean} True if value is a Date, otherwise false
|
|
*/
|
|
function isDate(val) {
|
|
return toString.call(val) === '[object Date]';
|
|
}
|
|
|
|
/**
|
|
* Determine if a value is a File
|
|
*
|
|
* @param {Object} val The value to test
|
|
* @returns {boolean} True if value is a File, otherwise false
|
|
*/
|
|
function isFile(val) {
|
|
return toString.call(val) === '[object File]';
|
|
}
|
|
|
|
/**
|
|
* Determine if a value is a Blob
|
|
*
|
|
* @param {Object} val The value to test
|
|
* @returns {boolean} True if value is a Blob, otherwise false
|
|
*/
|
|
function isBlob(val) {
|
|
return toString.call(val) === '[object Blob]';
|
|
}
|
|
|
|
/**
|
|
* Determine if a value is a Function
|
|
*
|
|
* @param {Object} val The value to test
|
|
* @returns {boolean} True if value is a Function, otherwise false
|
|
*/
|
|
function isFunction(val) {
|
|
return toString.call(val) === '[object Function]';
|
|
}
|
|
|
|
/**
|
|
* Determine if a value is a Stream
|
|
*
|
|
* @param {Object} val The value to test
|
|
* @returns {boolean} True if value is a Stream, otherwise false
|
|
*/
|
|
function isStream(val) {
|
|
return isObject(val) && isFunction(val.pipe);
|
|
}
|
|
|
|
/**
|
|
* Determine if a value is a URLSearchParams object
|
|
*
|
|
* @param {Object} val The value to test
|
|
* @returns {boolean} True if value is a URLSearchParams object, otherwise false
|
|
*/
|
|
function isURLSearchParams(val) {
|
|
return typeof URLSearchParams !== 'undefined' && val instanceof URLSearchParams;
|
|
}
|
|
|
|
/**
|
|
* Trim excess whitespace off the beginning and end of a string
|
|
*
|
|
* @param {String} str The String to trim
|
|
* @returns {String} The String freed of excess whitespace
|
|
*/
|
|
function trim(str) {
|
|
return str.replace(/^\s*/, '').replace(/\s*$/, '');
|
|
}
|
|
|
|
/**
|
|
* Determine if we're running in a standard browser environment
|
|
*
|
|
* This allows axios to run in a web worker, and react-native.
|
|
* Both environments support XMLHttpRequest, but not fully standard globals.
|
|
*
|
|
* web workers:
|
|
* typeof window -> undefined
|
|
* typeof document -> undefined
|
|
*
|
|
* react-native:
|
|
* navigator.product -> 'ReactNative'
|
|
* nativescript
|
|
* navigator.product -> 'NativeScript' or 'NS'
|
|
*/
|
|
function isStandardBrowserEnv() {
|
|
if (typeof navigator !== 'undefined' && (navigator.product === 'ReactNative' ||
|
|
navigator.product === 'NativeScript' ||
|
|
navigator.product === 'NS')) {
|
|
return false;
|
|
}
|
|
return (
|
|
typeof window !== 'undefined' &&
|
|
typeof document !== 'undefined'
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Iterate over an Array or an Object invoking a function for each item.
|
|
*
|
|
* If `obj` is an Array callback will be called passing
|
|
* the value, index, and complete array for each item.
|
|
*
|
|
* If 'obj' is an Object callback will be called passing
|
|
* the value, key, and complete object for each property.
|
|
*
|
|
* @param {Object|Array} obj The object to iterate
|
|
* @param {Function} fn The callback to invoke for each item
|
|
*/
|
|
function forEach(obj, fn) {
|
|
// Don't bother if no value provided
|
|
if (obj === null || typeof obj === 'undefined') {
|
|
return;
|
|
}
|
|
|
|
// Force an array if not already something iterable
|
|
if (typeof obj !== 'object') {
|
|
/*eslint no-param-reassign:0*/
|
|
obj = [obj];
|
|
}
|
|
|
|
if (isArray(obj)) {
|
|
// Iterate over array values
|
|
for (var i = 0, l = obj.length; i < l; i++) {
|
|
fn.call(null, obj[i], i, obj);
|
|
}
|
|
} else {
|
|
// Iterate over object keys
|
|
for (var key in obj) {
|
|
if (Object.prototype.hasOwnProperty.call(obj, key)) {
|
|
fn.call(null, obj[key], key, obj);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Accepts varargs expecting each argument to be an object, then
|
|
* immutably merges the properties of each object and returns result.
|
|
*
|
|
* When multiple objects contain the same key the later object in
|
|
* the arguments list will take precedence.
|
|
*
|
|
* Example:
|
|
*
|
|
* ```js
|
|
* var result = merge({foo: 123}, {foo: 456});
|
|
* console.log(result.foo); // outputs 456
|
|
* ```
|
|
*
|
|
* @param {Object} obj1 Object to merge
|
|
* @returns {Object} Result of all merge properties
|
|
*/
|
|
function merge(/* obj1, obj2, obj3, ... */) {
|
|
var result = {};
|
|
|
|
function assignValue(val, key) {
|
|
if (isPlainObject(result[key]) && isPlainObject(val)) {
|
|
result[key] = merge(result[key], val);
|
|
} else if (isPlainObject(val)) {
|
|
result[key] = merge({}, val);
|
|
} else if (isArray(val)) {
|
|
result[key] = val.slice();
|
|
} else {
|
|
result[key] = val;
|
|
}
|
|
}
|
|
|
|
for (var i = 0, l = arguments.length; i < l; i++) {
|
|
forEach(arguments[i], assignValue);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* Extends object a by mutably adding to it the properties of object b.
|
|
*
|
|
* @param {Object} a The object to be extended
|
|
* @param {Object} b The object to copy properties from
|
|
* @param {Object} thisArg The object to bind function to
|
|
* @return {Object} The resulting value of object a
|
|
*/
|
|
function extend(a, b, thisArg) {
|
|
forEach(b, function assignValue(val, key) {
|
|
if (thisArg && typeof val === 'function') {
|
|
a[key] = bind(val, thisArg);
|
|
} else {
|
|
a[key] = val;
|
|
}
|
|
});
|
|
return a;
|
|
}
|
|
|
|
/**
|
|
* Remove byte order marker. This catches EF BB BF (the UTF-8 BOM)
|
|
*
|
|
* @param {string} content with BOM
|
|
* @return {string} content value without BOM
|
|
*/
|
|
function stripBOM(content) {
|
|
if (content.charCodeAt(0) === 0xFEFF) {
|
|
content = content.slice(1);
|
|
}
|
|
return content;
|
|
}
|
|
|
|
var utils = {
|
|
isArray: isArray,
|
|
isArrayBuffer: isArrayBuffer,
|
|
isBuffer: isBuffer,
|
|
isFormData: isFormData,
|
|
isArrayBufferView: isArrayBufferView,
|
|
isString: isString,
|
|
isNumber: isNumber,
|
|
isObject: isObject,
|
|
isPlainObject: isPlainObject,
|
|
isUndefined: isUndefined,
|
|
isDate: isDate,
|
|
isFile: isFile,
|
|
isBlob: isBlob,
|
|
isFunction: isFunction,
|
|
isStream: isStream,
|
|
isURLSearchParams: isURLSearchParams,
|
|
isStandardBrowserEnv: isStandardBrowserEnv,
|
|
forEach: forEach,
|
|
merge: merge,
|
|
extend: extend,
|
|
trim: trim,
|
|
stripBOM: stripBOM
|
|
};
|
|
|
|
function encode(val) {
|
|
return encodeURIComponent(val).replace(/%3A/gi, ':').replace(/%24/g, '$').replace(/%2C/gi, ',').replace(/%20/g, '+').replace(/%5B/gi, '[').replace(/%5D/gi, ']');
|
|
}
|
|
|
|
/**
|
|
* Build a URL by appending params to the end
|
|
*
|
|
* @param {string} url The base of the url (e.g., http://www.google.com)
|
|
* @param {object} [params] The params to be appended
|
|
* @returns {string} The formatted url
|
|
*/
|
|
var buildURL = function buildURL(url, params, paramsSerializer) {
|
|
/*eslint no-param-reassign:0*/
|
|
if (!params) {
|
|
return url;
|
|
}
|
|
|
|
var serializedParams;
|
|
if (paramsSerializer) {
|
|
serializedParams = paramsSerializer(params);
|
|
} else if (utils.isURLSearchParams(params)) {
|
|
serializedParams = params.toString();
|
|
} else {
|
|
var parts = [];
|
|
|
|
utils.forEach(params, function serialize(val, key) {
|
|
if (val === null || typeof val === 'undefined') {
|
|
return;
|
|
}
|
|
|
|
if (utils.isArray(val)) {
|
|
key = key + '[]';
|
|
} else {
|
|
val = [val];
|
|
}
|
|
|
|
utils.forEach(val, function parseValue(v) {
|
|
if (utils.isDate(v)) {
|
|
v = v.toISOString();
|
|
} else if (utils.isObject(v)) {
|
|
v = JSON.stringify(v);
|
|
}
|
|
parts.push(encode(key) + '=' + encode(v));
|
|
});
|
|
});
|
|
|
|
serializedParams = parts.join('&');
|
|
}
|
|
|
|
if (serializedParams) {
|
|
var hashmarkIndex = url.indexOf('#');
|
|
if (hashmarkIndex !== -1) {
|
|
url = url.slice(0, hashmarkIndex);
|
|
}
|
|
|
|
url += (url.indexOf('?') === -1 ? '?' : '&') + serializedParams;
|
|
}
|
|
|
|
return url;
|
|
};
|
|
|
|
function InterceptorManager() {
|
|
this.handlers = [];
|
|
}
|
|
|
|
/**
|
|
* Add a new interceptor to the stack
|
|
*
|
|
* @param {Function} fulfilled The function to handle `then` for a `Promise`
|
|
* @param {Function} rejected The function to handle `reject` for a `Promise`
|
|
*
|
|
* @return {Number} An ID used to remove interceptor later
|
|
*/
|
|
InterceptorManager.prototype.use = function use(fulfilled, rejected) {
|
|
this.handlers.push({
|
|
fulfilled: fulfilled,
|
|
rejected: rejected
|
|
});
|
|
return this.handlers.length - 1;
|
|
};
|
|
|
|
/**
|
|
* Remove an interceptor from the stack
|
|
*
|
|
* @param {Number} id The ID that was returned by `use`
|
|
*/
|
|
InterceptorManager.prototype.eject = function eject(id) {
|
|
if (this.handlers[id]) {
|
|
this.handlers[id] = null;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Iterate over all the registered interceptors
|
|
*
|
|
* This method is particularly useful for skipping over any
|
|
* interceptors that may have become `null` calling `eject`.
|
|
*
|
|
* @param {Function} fn The function to call for each interceptor
|
|
*/
|
|
InterceptorManager.prototype.forEach = function forEach(fn) {
|
|
utils.forEach(this.handlers, function forEachHandler(h) {
|
|
if (h !== null) {
|
|
fn(h);
|
|
}
|
|
});
|
|
};
|
|
|
|
var InterceptorManager_1 = InterceptorManager;
|
|
|
|
/**
|
|
* Transform the data for a request or a response
|
|
*
|
|
* @param {Object|String} data The data to be transformed
|
|
* @param {Array} headers The headers for the request or response
|
|
* @param {Array|Function} fns A single function or Array of functions
|
|
* @returns {*} The resulting transformed data
|
|
*/
|
|
var transformData = function transformData(data, headers, fns) {
|
|
/*eslint no-param-reassign:0*/
|
|
utils.forEach(fns, function transform(fn) {
|
|
data = fn(data, headers);
|
|
});
|
|
|
|
return data;
|
|
};
|
|
|
|
var isCancel = function isCancel(value) {
|
|
return !!(value && value.__CANCEL__);
|
|
};
|
|
|
|
var normalizeHeaderName = function normalizeHeaderName(headers, normalizedName) {
|
|
utils.forEach(headers, function processHeader(value, name) {
|
|
if (name !== normalizedName && name.toUpperCase() === normalizedName.toUpperCase()) {
|
|
headers[normalizedName] = value;
|
|
delete headers[name];
|
|
}
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Update an Error with the specified config, error code, and response.
|
|
*
|
|
* @param {Error} error The error to update.
|
|
* @param {Object} config The config.
|
|
* @param {string} [code] The error code (for example, 'ECONNABORTED').
|
|
* @param {Object} [request] The request.
|
|
* @param {Object} [response] The response.
|
|
* @returns {Error} The error.
|
|
*/
|
|
var enhanceError = function enhanceError(error, config, code, request, response) {
|
|
error.config = config;
|
|
if (code) {
|
|
error.code = code;
|
|
}
|
|
|
|
error.request = request;
|
|
error.response = response;
|
|
error.isAxiosError = true;
|
|
|
|
error.toJSON = function toJSON() {
|
|
return {
|
|
// Standard
|
|
message: this.message,
|
|
name: this.name,
|
|
// Microsoft
|
|
description: this.description,
|
|
number: this.number,
|
|
// Mozilla
|
|
fileName: this.fileName,
|
|
lineNumber: this.lineNumber,
|
|
columnNumber: this.columnNumber,
|
|
stack: this.stack,
|
|
// Axios
|
|
config: this.config,
|
|
code: this.code
|
|
};
|
|
};
|
|
return error;
|
|
};
|
|
|
|
/**
|
|
* Create an Error with the specified message, config, error code, request and response.
|
|
*
|
|
* @param {string} message The error message.
|
|
* @param {Object} config The config.
|
|
* @param {string} [code] The error code (for example, 'ECONNABORTED').
|
|
* @param {Object} [request] The request.
|
|
* @param {Object} [response] The response.
|
|
* @returns {Error} The created error.
|
|
*/
|
|
var createError = function createError(message, config, code, request, response) {
|
|
var error = new Error(message);
|
|
return enhanceError(error, config, code, request, response);
|
|
};
|
|
|
|
/**
|
|
* Resolve or reject a Promise based on response status.
|
|
*
|
|
* @param {Function} resolve A function that resolves the promise.
|
|
* @param {Function} reject A function that rejects the promise.
|
|
* @param {object} response The response.
|
|
*/
|
|
var settle = function settle(resolve, reject, response) {
|
|
var validateStatus = response.config.validateStatus;
|
|
if (!response.status || !validateStatus || validateStatus(response.status)) {
|
|
resolve(response);
|
|
} else {
|
|
reject(createError(
|
|
'Request failed with status code ' + response.status,
|
|
response.config,
|
|
null,
|
|
response.request,
|
|
response
|
|
));
|
|
}
|
|
};
|
|
|
|
var cookies = (
|
|
utils.isStandardBrowserEnv() ?
|
|
|
|
// Standard browser envs support document.cookie
|
|
(function standardBrowserEnv() {
|
|
return {
|
|
write: function write(name, value, expires, path, domain, secure) {
|
|
var cookie = [];
|
|
cookie.push(name + '=' + encodeURIComponent(value));
|
|
|
|
if (utils.isNumber(expires)) {
|
|
cookie.push('expires=' + new Date(expires).toGMTString());
|
|
}
|
|
|
|
if (utils.isString(path)) {
|
|
cookie.push('path=' + path);
|
|
}
|
|
|
|
if (utils.isString(domain)) {
|
|
cookie.push('domain=' + domain);
|
|
}
|
|
|
|
if (secure === true) {
|
|
cookie.push('secure');
|
|
}
|
|
|
|
document.cookie = cookie.join('; ');
|
|
},
|
|
|
|
read: function read(name) {
|
|
var match = document.cookie.match(new RegExp('(^|;\\s*)(' + name + ')=([^;]*)'));
|
|
return (match ? decodeURIComponent(match[3]) : null);
|
|
},
|
|
|
|
remove: function remove(name) {
|
|
this.write(name, '', Date.now() - 86400000);
|
|
}
|
|
};
|
|
})() :
|
|
|
|
// Non standard browser env (web workers, react-native) lack needed support.
|
|
(function nonStandardBrowserEnv() {
|
|
return {
|
|
write: function write() {
|
|
},
|
|
read: function read() {
|
|
return null;
|
|
},
|
|
remove: function remove() {
|
|
}
|
|
};
|
|
})()
|
|
);
|
|
|
|
/**
|
|
* Determines whether the specified URL is absolute
|
|
*
|
|
* @param {string} url The URL to test
|
|
* @returns {boolean} True if the specified URL is absolute, otherwise false
|
|
*/
|
|
var isAbsoluteURL = function isAbsoluteURL(url) {
|
|
// A URL is considered absolute if it begins with "<scheme>://" or "//" (protocol-relative URL).
|
|
// RFC 3986 defines scheme name as a sequence of characters beginning with a letter and followed
|
|
// by any combination of letters, digits, plus, period, or hyphen.
|
|
return /^([a-z][a-z\d\+\-\.]*:)?\/\//i.test(url);
|
|
};
|
|
|
|
/**
|
|
* Creates a new URL by combining the specified URLs
|
|
*
|
|
* @param {string} baseURL The base URL
|
|
* @param {string} relativeURL The relative URL
|
|
* @returns {string} The combined URL
|
|
*/
|
|
var combineURLs = function combineURLs(baseURL, relativeURL) {
|
|
return relativeURL
|
|
? baseURL.replace(/\/+$/, '') + '/' + relativeURL.replace(/^\/+/, '')
|
|
: baseURL;
|
|
};
|
|
|
|
/**
|
|
* Creates a new URL by combining the baseURL with the requestedURL,
|
|
* only when the requestedURL is not already an absolute URL.
|
|
* If the requestURL is absolute, this function returns the requestedURL untouched.
|
|
*
|
|
* @param {string} baseURL The base URL
|
|
* @param {string} requestedURL Absolute or relative URL to combine
|
|
* @returns {string} The combined full path
|
|
*/
|
|
var buildFullPath = function buildFullPath(baseURL, requestedURL) {
|
|
if (baseURL && !isAbsoluteURL(requestedURL)) {
|
|
return combineURLs(baseURL, requestedURL);
|
|
}
|
|
return requestedURL;
|
|
};
|
|
|
|
// Headers whose duplicates are ignored by node
|
|
// c.f. https://nodejs.org/api/http.html#http_message_headers
|
|
var ignoreDuplicateOf = [
|
|
'age', 'authorization', 'content-length', 'content-type', 'etag',
|
|
'expires', 'from', 'host', 'if-modified-since', 'if-unmodified-since',
|
|
'last-modified', 'location', 'max-forwards', 'proxy-authorization',
|
|
'referer', 'retry-after', 'user-agent'
|
|
];
|
|
|
|
/**
|
|
* Parse headers into an object
|
|
*
|
|
* ```
|
|
* Date: Wed, 27 Aug 2014 08:58:49 GMT
|
|
* Content-Type: application/json
|
|
* Connection: keep-alive
|
|
* Transfer-Encoding: chunked
|
|
* ```
|
|
*
|
|
* @param {String} headers Headers needing to be parsed
|
|
* @returns {Object} Headers parsed into an object
|
|
*/
|
|
var parseHeaders = function parseHeaders(headers) {
|
|
var parsed = {};
|
|
var key;
|
|
var val;
|
|
var i;
|
|
|
|
if (!headers) {
|
|
return parsed;
|
|
}
|
|
|
|
utils.forEach(headers.split('\n'), function parser(line) {
|
|
i = line.indexOf(':');
|
|
key = utils.trim(line.substr(0, i)).toLowerCase();
|
|
val = utils.trim(line.substr(i + 1));
|
|
|
|
if (key) {
|
|
if (parsed[key] && ignoreDuplicateOf.indexOf(key) >= 0) {
|
|
return;
|
|
}
|
|
if (key === 'set-cookie') {
|
|
parsed[key] = (parsed[key] ? parsed[key] : []).concat([val]);
|
|
} else {
|
|
parsed[key] = parsed[key] ? parsed[key] + ', ' + val : val;
|
|
}
|
|
}
|
|
});
|
|
|
|
return parsed;
|
|
};
|
|
|
|
var isURLSameOrigin = (
|
|
utils.isStandardBrowserEnv() ?
|
|
|
|
// Standard browser envs have full support of the APIs needed to test
|
|
// whether the request URL is of the same origin as current location.
|
|
(function standardBrowserEnv() {
|
|
var msie = /(msie|trident)/i.test(navigator.userAgent);
|
|
var urlParsingNode = document.createElement('a');
|
|
var originURL;
|
|
|
|
/**
|
|
* Parse a URL to discover it's components
|
|
*
|
|
* @param {String} url The URL to be parsed
|
|
* @returns {Object}
|
|
*/
|
|
function resolveURL(url) {
|
|
var href = url;
|
|
|
|
if (msie) {
|
|
// IE needs attribute set twice to normalize properties
|
|
urlParsingNode.setAttribute('href', href);
|
|
href = urlParsingNode.href;
|
|
}
|
|
|
|
urlParsingNode.setAttribute('href', href);
|
|
|
|
// urlParsingNode provides the UrlUtils interface - http://url.spec.whatwg.org/#urlutils
|
|
return {
|
|
href: urlParsingNode.href,
|
|
protocol: urlParsingNode.protocol ? urlParsingNode.protocol.replace(/:$/, '') : '',
|
|
host: urlParsingNode.host,
|
|
search: urlParsingNode.search ? urlParsingNode.search.replace(/^\?/, '') : '',
|
|
hash: urlParsingNode.hash ? urlParsingNode.hash.replace(/^#/, '') : '',
|
|
hostname: urlParsingNode.hostname,
|
|
port: urlParsingNode.port,
|
|
pathname: (urlParsingNode.pathname.charAt(0) === '/') ?
|
|
urlParsingNode.pathname :
|
|
'/' + urlParsingNode.pathname
|
|
};
|
|
}
|
|
|
|
originURL = resolveURL(window.location.href);
|
|
|
|
/**
|
|
* Determine if a URL shares the same origin as the current location
|
|
*
|
|
* @param {String} requestURL The URL to test
|
|
* @returns {boolean} True if URL shares the same origin, otherwise false
|
|
*/
|
|
return function isURLSameOrigin(requestURL) {
|
|
var parsed = (utils.isString(requestURL)) ? resolveURL(requestURL) : requestURL;
|
|
return (parsed.protocol === originURL.protocol &&
|
|
parsed.host === originURL.host);
|
|
};
|
|
})() :
|
|
|
|
// Non standard browser envs (web workers, react-native) lack needed support.
|
|
(function nonStandardBrowserEnv() {
|
|
return function isURLSameOrigin() {
|
|
return true;
|
|
};
|
|
})()
|
|
);
|
|
|
|
var xhr = function xhrAdapter(config) {
|
|
return new Promise(function dispatchXhrRequest(resolve, reject) {
|
|
var requestData = config.data;
|
|
var requestHeaders = config.headers;
|
|
|
|
if (utils.isFormData(requestData)) {
|
|
delete requestHeaders['Content-Type']; // Let the browser set it
|
|
}
|
|
|
|
var request = new XMLHttpRequest();
|
|
|
|
// HTTP basic authentication
|
|
if (config.auth) {
|
|
var username = config.auth.username || '';
|
|
var password = config.auth.password ? unescape(encodeURIComponent(config.auth.password)) : '';
|
|
requestHeaders.Authorization = 'Basic ' + btoa(username + ':' + password);
|
|
}
|
|
|
|
var fullPath = buildFullPath(config.baseURL, config.url);
|
|
request.open(config.method.toUpperCase(), buildURL(fullPath, config.params, config.paramsSerializer), true);
|
|
|
|
// Set the request timeout in MS
|
|
request.timeout = config.timeout;
|
|
|
|
// Listen for ready state
|
|
request.onreadystatechange = function handleLoad() {
|
|
if (!request || request.readyState !== 4) {
|
|
return;
|
|
}
|
|
|
|
// The request errored out and we didn't get a response, this will be
|
|
// handled by onerror instead
|
|
// With one exception: request that using file: protocol, most browsers
|
|
// will return status as 0 even though it's a successful request
|
|
if (request.status === 0 && !(request.responseURL && request.responseURL.indexOf('file:') === 0)) {
|
|
return;
|
|
}
|
|
|
|
// Prepare the response
|
|
var responseHeaders = 'getAllResponseHeaders' in request ? parseHeaders(request.getAllResponseHeaders()) : null;
|
|
var responseData = !config.responseType || config.responseType === 'text' ? request.responseText : request.response;
|
|
var response = {
|
|
data: responseData,
|
|
status: request.status,
|
|
statusText: request.statusText,
|
|
headers: responseHeaders,
|
|
config: config,
|
|
request: request
|
|
};
|
|
|
|
settle(resolve, reject, response);
|
|
|
|
// Clean up request
|
|
request = null;
|
|
};
|
|
|
|
// Handle browser request cancellation (as opposed to a manual cancellation)
|
|
request.onabort = function handleAbort() {
|
|
if (!request) {
|
|
return;
|
|
}
|
|
|
|
reject(createError('Request aborted', config, 'ECONNABORTED', request));
|
|
|
|
// Clean up request
|
|
request = null;
|
|
};
|
|
|
|
// Handle low level network errors
|
|
request.onerror = function handleError() {
|
|
// Real errors are hidden from us by the browser
|
|
// onerror should only fire if it's a network error
|
|
reject(createError('Network Error', config, null, request));
|
|
|
|
// Clean up request
|
|
request = null;
|
|
};
|
|
|
|
// Handle timeout
|
|
request.ontimeout = function handleTimeout() {
|
|
var timeoutErrorMessage = 'timeout of ' + config.timeout + 'ms exceeded';
|
|
if (config.timeoutErrorMessage) {
|
|
timeoutErrorMessage = config.timeoutErrorMessage;
|
|
}
|
|
reject(createError(timeoutErrorMessage, config, 'ECONNABORTED',
|
|
request));
|
|
|
|
// Clean up request
|
|
request = null;
|
|
};
|
|
|
|
// Add xsrf header
|
|
// This is only done if running in a standard browser environment.
|
|
// Specifically not if we're in a web worker, or react-native.
|
|
if (utils.isStandardBrowserEnv()) {
|
|
// Add xsrf header
|
|
var xsrfValue = (config.withCredentials || isURLSameOrigin(fullPath)) && config.xsrfCookieName ?
|
|
cookies.read(config.xsrfCookieName) :
|
|
undefined;
|
|
|
|
if (xsrfValue) {
|
|
requestHeaders[config.xsrfHeaderName] = xsrfValue;
|
|
}
|
|
}
|
|
|
|
// Add headers to the request
|
|
if ('setRequestHeader' in request) {
|
|
utils.forEach(requestHeaders, function setRequestHeader(val, key) {
|
|
if (typeof requestData === 'undefined' && key.toLowerCase() === 'content-type') {
|
|
// Remove Content-Type if data is undefined
|
|
delete requestHeaders[key];
|
|
} else {
|
|
// Otherwise add header to the request
|
|
request.setRequestHeader(key, val);
|
|
}
|
|
});
|
|
}
|
|
|
|
// Add withCredentials to request if needed
|
|
if (!utils.isUndefined(config.withCredentials)) {
|
|
request.withCredentials = !!config.withCredentials;
|
|
}
|
|
|
|
// Add responseType to request if needed
|
|
if (config.responseType) {
|
|
try {
|
|
request.responseType = config.responseType;
|
|
} catch (e) {
|
|
// Expected DOMException thrown by browsers not compatible XMLHttpRequest Level 2.
|
|
// But, this can be suppressed for 'json' type as it can be parsed by default 'transformResponse' function.
|
|
if (config.responseType !== 'json') {
|
|
throw e;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Handle progress if needed
|
|
if (typeof config.onDownloadProgress === 'function') {
|
|
request.addEventListener('progress', config.onDownloadProgress);
|
|
}
|
|
|
|
// Not all browsers support upload events
|
|
if (typeof config.onUploadProgress === 'function' && request.upload) {
|
|
request.upload.addEventListener('progress', config.onUploadProgress);
|
|
}
|
|
|
|
if (config.cancelToken) {
|
|
// Handle cancellation
|
|
config.cancelToken.promise.then(function onCanceled(cancel) {
|
|
if (!request) {
|
|
return;
|
|
}
|
|
|
|
request.abort();
|
|
reject(cancel);
|
|
// Clean up request
|
|
request = null;
|
|
});
|
|
}
|
|
|
|
if (!requestData) {
|
|
requestData = null;
|
|
}
|
|
|
|
// Send the request
|
|
request.send(requestData);
|
|
});
|
|
};
|
|
|
|
var DEFAULT_CONTENT_TYPE = {
|
|
'Content-Type': 'application/x-www-form-urlencoded'
|
|
};
|
|
|
|
function setContentTypeIfUnset(headers, value) {
|
|
if (!utils.isUndefined(headers) && utils.isUndefined(headers['Content-Type'])) {
|
|
headers['Content-Type'] = value;
|
|
}
|
|
}
|
|
|
|
function getDefaultAdapter() {
|
|
var adapter;
|
|
if (typeof XMLHttpRequest !== 'undefined') {
|
|
// For browsers use XHR adapter
|
|
adapter = xhr;
|
|
} else if (typeof process !== 'undefined' && Object.prototype.toString.call(process) === '[object process]') {
|
|
// For node use HTTP adapter
|
|
adapter = xhr;
|
|
}
|
|
return adapter;
|
|
}
|
|
|
|
var defaults = {
|
|
adapter: getDefaultAdapter(),
|
|
|
|
transformRequest: [function transformRequest(data, headers) {
|
|
normalizeHeaderName(headers, 'Accept');
|
|
normalizeHeaderName(headers, 'Content-Type');
|
|
if (utils.isFormData(data) ||
|
|
utils.isArrayBuffer(data) ||
|
|
utils.isBuffer(data) ||
|
|
utils.isStream(data) ||
|
|
utils.isFile(data) ||
|
|
utils.isBlob(data)
|
|
) {
|
|
return data;
|
|
}
|
|
if (utils.isArrayBufferView(data)) {
|
|
return data.buffer;
|
|
}
|
|
if (utils.isURLSearchParams(data)) {
|
|
setContentTypeIfUnset(headers, 'application/x-www-form-urlencoded;charset=utf-8');
|
|
return data.toString();
|
|
}
|
|
if (utils.isObject(data)) {
|
|
setContentTypeIfUnset(headers, 'application/json;charset=utf-8');
|
|
return JSON.stringify(data);
|
|
}
|
|
return data;
|
|
}],
|
|
|
|
transformResponse: [function transformResponse(data) {
|
|
/*eslint no-param-reassign:0*/
|
|
if (typeof data === 'string') {
|
|
try {
|
|
data = JSON.parse(data);
|
|
} catch (e) { /* Ignore */
|
|
}
|
|
}
|
|
return data;
|
|
}],
|
|
|
|
/**
|
|
* A timeout in milliseconds to abort a request. If set to 0 (default) a
|
|
* timeout is not created.
|
|
*/
|
|
timeout: 0,
|
|
|
|
xsrfCookieName: 'XSRF-TOKEN',
|
|
xsrfHeaderName: 'X-XSRF-TOKEN',
|
|
|
|
maxContentLength: -1,
|
|
maxBodyLength: -1,
|
|
|
|
validateStatus: function validateStatus(status) {
|
|
return status >= 200 && status < 300;
|
|
}
|
|
};
|
|
|
|
defaults.headers = {
|
|
common: {
|
|
'Accept': 'application/json, text/plain, */*'
|
|
}
|
|
};
|
|
|
|
utils.forEach(['delete', 'get', 'head'], function forEachMethodNoData(method) {
|
|
defaults.headers[method] = {};
|
|
});
|
|
|
|
utils.forEach(['post', 'put', 'patch'], function forEachMethodWithData(method) {
|
|
defaults.headers[method] = utils.merge(DEFAULT_CONTENT_TYPE);
|
|
});
|
|
|
|
var defaults_1 = defaults;
|
|
|
|
/**
|
|
* Throws a `Cancel` if cancellation has been requested.
|
|
*/
|
|
function throwIfCancellationRequested(config) {
|
|
if (config.cancelToken) {
|
|
config.cancelToken.throwIfRequested();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Dispatch a request to the server using the configured adapter.
|
|
*
|
|
* @param {object} config The config that is to be used for the request
|
|
* @returns {Promise} The Promise to be fulfilled
|
|
*/
|
|
var dispatchRequest = function dispatchRequest(config) {
|
|
throwIfCancellationRequested(config);
|
|
|
|
// Ensure headers exist
|
|
config.headers = config.headers || {};
|
|
|
|
// Transform request data
|
|
config.data = transformData(
|
|
config.data,
|
|
config.headers,
|
|
config.transformRequest
|
|
);
|
|
|
|
// Flatten headers
|
|
config.headers = utils.merge(
|
|
config.headers.common || {},
|
|
config.headers[config.method] || {},
|
|
config.headers
|
|
);
|
|
|
|
utils.forEach(
|
|
['delete', 'get', 'head', 'post', 'put', 'patch', 'common'],
|
|
function cleanHeaderConfig(method) {
|
|
delete config.headers[method];
|
|
}
|
|
);
|
|
|
|
var adapter = config.adapter || defaults_1.adapter;
|
|
|
|
return adapter(config).then(function onAdapterResolution(response) {
|
|
throwIfCancellationRequested(config);
|
|
|
|
// Transform response data
|
|
response.data = transformData(
|
|
response.data,
|
|
response.headers,
|
|
config.transformResponse
|
|
);
|
|
|
|
return response;
|
|
}, function onAdapterRejection(reason) {
|
|
if (!isCancel(reason)) {
|
|
throwIfCancellationRequested(config);
|
|
|
|
// Transform response data
|
|
if (reason && reason.response) {
|
|
reason.response.data = transformData(
|
|
reason.response.data,
|
|
reason.response.headers,
|
|
config.transformResponse
|
|
);
|
|
}
|
|
}
|
|
|
|
return Promise.reject(reason);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Config-specific merge-function which creates a new config-object
|
|
* by merging two configuration objects together.
|
|
*
|
|
* @param {Object} config1
|
|
* @param {Object} config2
|
|
* @returns {Object} New object resulting from merging config2 to config1
|
|
*/
|
|
var mergeConfig = function mergeConfig(config1, config2) {
|
|
// eslint-disable-next-line no-param-reassign
|
|
config2 = config2 || {};
|
|
var config = {};
|
|
|
|
var valueFromConfig2Keys = ['url', 'method', 'data'];
|
|
var mergeDeepPropertiesKeys = ['headers', 'auth', 'proxy', 'params'];
|
|
var defaultToConfig2Keys = [
|
|
'baseURL', 'transformRequest', 'transformResponse', 'paramsSerializer',
|
|
'timeout', 'timeoutMessage', 'withCredentials', 'adapter', 'responseType', 'xsrfCookieName',
|
|
'xsrfHeaderName', 'onUploadProgress', 'onDownloadProgress', 'decompress',
|
|
'maxContentLength', 'maxBodyLength', 'maxRedirects', 'transport', 'httpAgent',
|
|
'httpsAgent', 'cancelToken', 'socketPath', 'responseEncoding'
|
|
];
|
|
var directMergeKeys = ['validateStatus'];
|
|
|
|
function getMergedValue(target, source) {
|
|
if (utils.isPlainObject(target) && utils.isPlainObject(source)) {
|
|
return utils.merge(target, source);
|
|
} else if (utils.isPlainObject(source)) {
|
|
return utils.merge({}, source);
|
|
} else if (utils.isArray(source)) {
|
|
return source.slice();
|
|
}
|
|
return source;
|
|
}
|
|
|
|
function mergeDeepProperties(prop) {
|
|
if (!utils.isUndefined(config2[prop])) {
|
|
config[prop] = getMergedValue(config1[prop], config2[prop]);
|
|
} else if (!utils.isUndefined(config1[prop])) {
|
|
config[prop] = getMergedValue(undefined, config1[prop]);
|
|
}
|
|
}
|
|
|
|
utils.forEach(valueFromConfig2Keys, function valueFromConfig2(prop) {
|
|
if (!utils.isUndefined(config2[prop])) {
|
|
config[prop] = getMergedValue(undefined, config2[prop]);
|
|
}
|
|
});
|
|
|
|
utils.forEach(mergeDeepPropertiesKeys, mergeDeepProperties);
|
|
|
|
utils.forEach(defaultToConfig2Keys, function defaultToConfig2(prop) {
|
|
if (!utils.isUndefined(config2[prop])) {
|
|
config[prop] = getMergedValue(undefined, config2[prop]);
|
|
} else if (!utils.isUndefined(config1[prop])) {
|
|
config[prop] = getMergedValue(undefined, config1[prop]);
|
|
}
|
|
});
|
|
|
|
utils.forEach(directMergeKeys, function merge(prop) {
|
|
if (prop in config2) {
|
|
config[prop] = getMergedValue(config1[prop], config2[prop]);
|
|
} else if (prop in config1) {
|
|
config[prop] = getMergedValue(undefined, config1[prop]);
|
|
}
|
|
});
|
|
|
|
var axiosKeys = valueFromConfig2Keys
|
|
.concat(mergeDeepPropertiesKeys)
|
|
.concat(defaultToConfig2Keys)
|
|
.concat(directMergeKeys);
|
|
|
|
var otherKeys = Object
|
|
.keys(config1)
|
|
.concat(Object.keys(config2))
|
|
.filter(function filterAxiosKeys(key) {
|
|
return axiosKeys.indexOf(key) === -1;
|
|
});
|
|
|
|
utils.forEach(otherKeys, mergeDeepProperties);
|
|
|
|
return config;
|
|
};
|
|
|
|
/**
|
|
* Create a new instance of Axios
|
|
*
|
|
* @param {Object} instanceConfig The default config for the instance
|
|
*/
|
|
function Axios(instanceConfig) {
|
|
this.defaults = instanceConfig;
|
|
this.interceptors = {
|
|
request: new InterceptorManager_1(),
|
|
response: new InterceptorManager_1()
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Dispatch a request
|
|
*
|
|
* @param {Object} config The config specific for this request (merged with this.defaults)
|
|
*/
|
|
Axios.prototype.request = function request(config) {
|
|
/*eslint no-param-reassign:0*/
|
|
// Allow for axios('example/url'[, config]) a la fetch API
|
|
if (typeof config === 'string') {
|
|
config = arguments[1] || {};
|
|
config.url = arguments[0];
|
|
} else {
|
|
config = config || {};
|
|
}
|
|
|
|
config = mergeConfig(this.defaults, config);
|
|
|
|
// Set config.method
|
|
if (config.method) {
|
|
config.method = config.method.toLowerCase();
|
|
} else if (this.defaults.method) {
|
|
config.method = this.defaults.method.toLowerCase();
|
|
} else {
|
|
config.method = 'get';
|
|
}
|
|
|
|
// Hook up interceptors middleware
|
|
var chain = [dispatchRequest, undefined];
|
|
var promise = Promise.resolve(config);
|
|
|
|
this.interceptors.request.forEach(function unshiftRequestInterceptors(interceptor) {
|
|
chain.unshift(interceptor.fulfilled, interceptor.rejected);
|
|
});
|
|
|
|
this.interceptors.response.forEach(function pushResponseInterceptors(interceptor) {
|
|
chain.push(interceptor.fulfilled, interceptor.rejected);
|
|
});
|
|
|
|
while (chain.length) {
|
|
promise = promise.then(chain.shift(), chain.shift());
|
|
}
|
|
|
|
return promise;
|
|
};
|
|
|
|
Axios.prototype.getUri = function getUri(config) {
|
|
config = mergeConfig(this.defaults, config);
|
|
return buildURL(config.url, config.params, config.paramsSerializer).replace(/^\?/, '');
|
|
};
|
|
|
|
// Provide aliases for supported request methods
|
|
utils.forEach(['delete', 'get', 'head', 'options'], function forEachMethodNoData(method) {
|
|
/*eslint func-names:0*/
|
|
Axios.prototype[method] = function (url, config) {
|
|
return this.request(mergeConfig(config || {}, {
|
|
method: method,
|
|
url: url,
|
|
data: (config || {}).data
|
|
}));
|
|
};
|
|
});
|
|
|
|
utils.forEach(['post', 'put', 'patch'], function forEachMethodWithData(method) {
|
|
/*eslint func-names:0*/
|
|
Axios.prototype[method] = function (url, data, config) {
|
|
return this.request(mergeConfig(config || {}, {
|
|
method: method,
|
|
url: url,
|
|
data: data
|
|
}));
|
|
};
|
|
});
|
|
|
|
var Axios_1 = Axios;
|
|
|
|
/**
|
|
* A `Cancel` is an object that is thrown when an operation is canceled.
|
|
*
|
|
* @class
|
|
* @param {string=} message The message.
|
|
*/
|
|
function Cancel(message) {
|
|
this.message = message;
|
|
}
|
|
|
|
Cancel.prototype.toString = function toString() {
|
|
return 'Cancel' + (this.message ? ': ' + this.message : '');
|
|
};
|
|
|
|
Cancel.prototype.__CANCEL__ = true;
|
|
|
|
var Cancel_1 = Cancel;
|
|
|
|
/**
|
|
* A `CancelToken` is an object that can be used to request cancellation of an operation.
|
|
*
|
|
* @class
|
|
* @param {Function} executor The executor function.
|
|
*/
|
|
function CancelToken(executor) {
|
|
if (typeof executor !== 'function') {
|
|
throw new TypeError('executor must be a function.');
|
|
}
|
|
|
|
var resolvePromise;
|
|
this.promise = new Promise(function promiseExecutor(resolve) {
|
|
resolvePromise = resolve;
|
|
});
|
|
|
|
var token = this;
|
|
executor(function cancel(message) {
|
|
if (token.reason) {
|
|
// Cancellation has already been requested
|
|
return;
|
|
}
|
|
|
|
token.reason = new Cancel_1(message);
|
|
resolvePromise(token.reason);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Throws a `Cancel` if cancellation has been requested.
|
|
*/
|
|
CancelToken.prototype.throwIfRequested = function throwIfRequested() {
|
|
if (this.reason) {
|
|
throw this.reason;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Returns an object that contains a new `CancelToken` and a function that, when called,
|
|
* cancels the `CancelToken`.
|
|
*/
|
|
CancelToken.source = function source() {
|
|
var cancel;
|
|
var token = new CancelToken(function executor(c) {
|
|
cancel = c;
|
|
});
|
|
return {
|
|
token: token,
|
|
cancel: cancel
|
|
};
|
|
};
|
|
|
|
var CancelToken_1 = CancelToken;
|
|
|
|
/**
|
|
* Syntactic sugar for invoking a function and expanding an array for arguments.
|
|
*
|
|
* Common use case would be to use `Function.prototype.apply`.
|
|
*
|
|
* ```js
|
|
* function f(x, y, z) {}
|
|
* var args = [1, 2, 3];
|
|
* f.apply(null, args);
|
|
* ```
|
|
*
|
|
* With `spread` this example can be re-written.
|
|
*
|
|
* ```js
|
|
* spread(function(x, y, z) {})([1, 2, 3]);
|
|
* ```
|
|
*
|
|
* @param {Function} callback
|
|
* @returns {Function}
|
|
*/
|
|
var spread = function spread(callback) {
|
|
return function wrap(arr) {
|
|
return callback.apply(null, arr);
|
|
};
|
|
};
|
|
|
|
/**
|
|
* Determines whether the payload is an error thrown by Axios
|
|
*
|
|
* @param {*} payload The value to test
|
|
* @returns {boolean} True if the payload is an error thrown by Axios, otherwise false
|
|
*/
|
|
var isAxiosError = function isAxiosError(payload) {
|
|
return (typeof payload === 'object') && (payload.isAxiosError === true);
|
|
};
|
|
|
|
/**
|
|
* Create an instance of Axios
|
|
*
|
|
* @param {Object} defaultConfig The default config for the instance
|
|
* @return {Axios} A new instance of Axios
|
|
*/
|
|
function createInstance(defaultConfig) {
|
|
var context = new Axios_1(defaultConfig);
|
|
var instance = bind(Axios_1.prototype.request, context);
|
|
|
|
// Copy axios.prototype to instance
|
|
utils.extend(instance, Axios_1.prototype, context);
|
|
|
|
// Copy context to instance
|
|
utils.extend(instance, context);
|
|
|
|
return instance;
|
|
}
|
|
|
|
// Create the default instance to be exported
|
|
var axios$1 = createInstance(defaults_1);
|
|
|
|
// Expose Axios class to allow class inheritance
|
|
axios$1.Axios = Axios_1;
|
|
|
|
// Factory for creating new instances
|
|
axios$1.create = function create(instanceConfig) {
|
|
return createInstance(mergeConfig(axios$1.defaults, instanceConfig));
|
|
};
|
|
|
|
// Expose Cancel & CancelToken
|
|
axios$1.Cancel = Cancel_1;
|
|
axios$1.CancelToken = CancelToken_1;
|
|
axios$1.isCancel = isCancel;
|
|
|
|
// Expose all/spread
|
|
axios$1.all = function all(promises) {
|
|
return Promise.all(promises);
|
|
};
|
|
axios$1.spread = spread;
|
|
|
|
// Expose isAxiosError
|
|
axios$1.isAxiosError = isAxiosError;
|
|
|
|
var axios_1 = axios$1;
|
|
|
|
// Allow use of default import syntax in TypeScript
|
|
var _default = axios$1;
|
|
axios_1.default = _default;
|
|
|
|
var axios = axios_1;
|
|
|
|
class RTCEndpoint extends Event$1 {
|
|
constructor(options) {
|
|
super('RTCPusherPlayer');
|
|
this.TAG = '[RTCPusherPlayer]';
|
|
let defaults = {
|
|
element: '',
|
|
// html video element
|
|
debug: false,
|
|
// if output debug log
|
|
zlmsdpUrl: '',
|
|
simulcast: false,
|
|
useCamera: true,
|
|
audioEnable: true,
|
|
videoEnable: true,
|
|
recvOnly: false,
|
|
resolution: {
|
|
w: 0,
|
|
h: 0
|
|
}
|
|
};
|
|
this.options = Object.assign({}, defaults, options);
|
|
|
|
if (this.options.debug) {
|
|
setLogger();
|
|
}
|
|
|
|
this.e = {
|
|
onicecandidate: this._onIceCandidate.bind(this),
|
|
ontrack: this._onTrack.bind(this),
|
|
onicecandidateerror: this._onIceCandidateError.bind(this)
|
|
};
|
|
this._remoteStream = null;
|
|
this._localStream = null;
|
|
this.pc = new RTCPeerConnection(null);
|
|
this.pc.onicecandidate = this.e.onicecandidate;
|
|
this.pc.onicecandidateerror = this.e.onicecandidateerror;
|
|
this.pc.ontrack = this.e.ontrack;
|
|
if (!this.options.recvOnly && (this.options.audioEnable || this.options.videoEnable)) this.start(); else this.receive();
|
|
}
|
|
|
|
receive() {
|
|
|
|
const AudioTransceiverInit = {
|
|
direction: 'recvonly',
|
|
sendEncodings: []
|
|
};
|
|
const VideoTransceiverInit = {
|
|
direction: 'recvonly',
|
|
sendEncodings: []
|
|
};
|
|
this.pc.addTransceiver('audio', AudioTransceiverInit);
|
|
this.pc.addTransceiver('video', VideoTransceiverInit);
|
|
this.pc.createOffer().then(desc => {
|
|
log(this.TAG, 'offer:', desc.sdp);
|
|
this.pc.setLocalDescription(desc).then(() => {
|
|
axios({
|
|
method: 'post',
|
|
url: this.options.zlmsdpUrl,
|
|
responseType: 'json',
|
|
data: desc.sdp,
|
|
headers: {
|
|
'Content-Type': 'text/plain;charset=utf-8'
|
|
}
|
|
}).then(response => {
|
|
let ret = response.data; //JSON.parse(response.data);
|
|
|
|
if (ret.code != 0) {
|
|
// mean failed for offer/answer exchange
|
|
this.dispatch(Events$1.WEBRTC_OFFER_ANSWER_EXCHANGE_FAILED, ret);
|
|
return;
|
|
}
|
|
|
|
let answer = {};
|
|
answer.sdp = ret.sdp;
|
|
answer.type = 'answer';
|
|
log(this.TAG, 'answer:', ret.sdp);
|
|
this.pc.setRemoteDescription(answer).then(() => {
|
|
log(this.TAG, 'set remote sucess');
|
|
}).catch(e => {
|
|
error(this.TAG, e);
|
|
});
|
|
});
|
|
});
|
|
}).catch(e => {
|
|
error(this.TAG, e);
|
|
});
|
|
}
|
|
|
|
start() {
|
|
let videoConstraints = false;
|
|
let audioConstraints = false;
|
|
|
|
if (this.options.useCamera) {
|
|
if (this.options.videoEnable) videoConstraints = new VideoTrackConstraints(VideoSourceInfo.CAMERA);
|
|
if (this.options.audioEnable) audioConstraints = new AudioTrackConstraints(AudioSourceInfo.MIC);
|
|
} else {
|
|
if (this.options.videoEnable) {
|
|
videoConstraints = new VideoTrackConstraints(VideoSourceInfo.SCREENCAST);
|
|
if (this.options.audioEnable) audioConstraints = new AudioTrackConstraints(AudioSourceInfo.SCREENCAST);
|
|
} else {
|
|
if (this.options.audioEnable) audioConstraints = new AudioTrackConstraints(AudioSourceInfo.MIC); else {
|
|
// error shared display media not only audio
|
|
error(this.TAG, 'error paramter');
|
|
}
|
|
}
|
|
}
|
|
|
|
if (this.options.resolution.w != 0 && this.options.resolution.h != 0 && typeof videoConstraints == 'object') {
|
|
videoConstraints.resolution = new Resolution(this.options.resolution.w, this.options.resolution.h);
|
|
}
|
|
|
|
MediaStreamFactory.createMediaStream(new StreamConstraints(audioConstraints, videoConstraints)).then(stream => {
|
|
this._localStream = stream;
|
|
this.dispatch(Events$1.WEBRTC_ON_LOCAL_STREAM, stream);
|
|
const AudioTransceiverInit = {
|
|
direction: 'sendrecv',
|
|
sendEncodings: []
|
|
};
|
|
const VideoTransceiverInit = {
|
|
direction: 'sendrecv',
|
|
sendEncodings: []
|
|
};
|
|
|
|
if (this.options.simulcast && stream.getVideoTracks().length > 0) {
|
|
VideoTransceiverInit.sendEncodings = [
|
|
{rid: "h", active: true, maxBitrate: 1000000},
|
|
{rid: "m", active: true, maxBitrate: 500000, scaleResolutionDownBy: 2},
|
|
{rid: "l", active: true, maxBitrate: 200000, scaleResolutionDownBy: 4}
|
|
];
|
|
}
|
|
|
|
if (stream.getAudioTracks().length > 0) {
|
|
this.pc.addTransceiver(stream.getAudioTracks()[0], AudioTransceiverInit);
|
|
} else {
|
|
AudioTransceiverInit.direction = 'recvonly';
|
|
this.pc.addTransceiver('audio', AudioTransceiverInit);
|
|
}
|
|
|
|
if (stream.getVideoTracks().length > 0) {
|
|
this.pc.addTransceiver(stream.getVideoTracks()[0], VideoTransceiverInit);
|
|
} else {
|
|
VideoTransceiverInit.direction = 'recvonly';
|
|
this.pc.addTransceiver('video', VideoTransceiverInit);
|
|
}
|
|
/*
|
|
stream.getTracks().forEach((track,idx)=>{
|
|
debug.log(this.TAG,track);
|
|
this.pc.addTrack(track);
|
|
});
|
|
*/
|
|
|
|
|
|
this.pc.createOffer().then(desc => {
|
|
log(this.TAG, 'offer:', desc.sdp);
|
|
this.pc.setLocalDescription(desc).then(() => {
|
|
axios({
|
|
method: 'post',
|
|
url: this.options.zlmsdpUrl,
|
|
responseType: 'json',
|
|
data: desc.sdp,
|
|
headers: {
|
|
'Content-Type': 'text/plain;charset=utf-8'
|
|
}
|
|
}).then(response => {
|
|
let ret = response.data; //JSON.parse(response.data);
|
|
|
|
if (ret.code != 0) {
|
|
// mean failed for offer/answer exchange
|
|
this.dispatch(Events$1.WEBRTC_OFFER_ANSWER_EXCHANGE_FAILED, ret);
|
|
return;
|
|
}
|
|
|
|
let answer = {};
|
|
answer.sdp = ret.sdp;
|
|
answer.type = 'answer';
|
|
log(this.TAG, 'answer:', ret.sdp);
|
|
this.pc.setRemoteDescription(answer).then(() => {
|
|
log(this.TAG, 'set remote sucess');
|
|
}).catch(e => {
|
|
error(this.TAG, e);
|
|
});
|
|
});
|
|
});
|
|
}).catch(e => {
|
|
error(this.TAG, e);
|
|
});
|
|
}).catch(e => {
|
|
this.dispatch(Events$1.CAPTURE_STREAM_FAILED); //debug.error(this.TAG,e);
|
|
}); //const offerOptions = {};
|
|
|
|
/*
|
|
if (typeof this.pc.addTransceiver === 'function') {
|
|
// |direction| seems not working on Safari.
|
|
this.pc.addTransceiver('audio', { direction: 'recvonly' });
|
|
this.pc.addTransceiver('video', { direction: 'recvonly' });
|
|
} else {
|
|
offerOptions.offerToReceiveAudio = true;
|
|
offerOptions.offerToReceiveVideo = true;
|
|
}
|
|
*/
|
|
}
|
|
|
|
_onIceCandidate(event) {
|
|
if (event.candidate) {
|
|
log('Remote ICE candidate: \n ' + event.candidate.candidate); // Send the candidate to the remote peer
|
|
}
|
|
}
|
|
|
|
_onTrack(event) {
|
|
if (this.options.element && event.streams && event.streams.length > 0) {
|
|
this.options.element.srcObject = event.streams[0];
|
|
this._remoteStream = event.streams[0];
|
|
this.dispatch(Events$1.WEBRTC_ON_REMOTE_STREAMS, event);
|
|
} else {
|
|
error('element pararm is failed');
|
|
}
|
|
}
|
|
|
|
_onIceCandidateError(event) {
|
|
this.dispatch(Events$1.WEBRTC_ICE_CANDIDATE_ERROR, event);
|
|
}
|
|
|
|
close() {
|
|
if (this.pc) {
|
|
this.pc.close();
|
|
this.pc = null;
|
|
}
|
|
|
|
if (this.options) {
|
|
this.options = null;
|
|
}
|
|
|
|
if (this._localStream) {
|
|
this._localStream.getTracks().forEach((track, idx) => {
|
|
track.stop();
|
|
});
|
|
}
|
|
|
|
if (this._remoteStream) {
|
|
this._remoteStream.getTracks().forEach((track, idx) => {
|
|
track.stop();
|
|
});
|
|
}
|
|
}
|
|
|
|
get remoteStream() {
|
|
return this._remoteStream;
|
|
}
|
|
|
|
get localStream() {
|
|
return this._localStream;
|
|
}
|
|
|
|
}
|
|
|
|
const quickScan = [{
|
|
'label': '4K(UHD)',
|
|
'width': 3840,
|
|
'height': 2160
|
|
}, {
|
|
'label': '1080p(FHD)',
|
|
'width': 1920,
|
|
'height': 1080
|
|
}, {
|
|
'label': 'UXGA',
|
|
'width': 1600,
|
|
'height': 1200,
|
|
'ratio': '4:3'
|
|
}, {
|
|
'label': '720p(HD)',
|
|
'width': 1280,
|
|
'height': 720
|
|
}, {
|
|
'label': 'SVGA',
|
|
'width': 800,
|
|
'height': 600
|
|
}, {
|
|
'label': 'VGA',
|
|
'width': 640,
|
|
'height': 480
|
|
}, {
|
|
'label': '360p(nHD)',
|
|
'width': 640,
|
|
'height': 360
|
|
}, {
|
|
'label': 'CIF',
|
|
'width': 352,
|
|
'height': 288
|
|
}, {
|
|
'label': 'QVGA',
|
|
'width': 320,
|
|
'height': 240
|
|
}, {
|
|
'label': 'QCIF',
|
|
'width': 176,
|
|
'height': 144
|
|
}, {
|
|
'label': 'QQVGA',
|
|
'width': 160,
|
|
'height': 120
|
|
}];
|
|
|
|
function GetSupportCameraResolutions$1() {
|
|
return new Promise(function (resolve, reject) {
|
|
let resolutions = [];
|
|
let ok = 0;
|
|
let err = 0;
|
|
|
|
for (let i = 0; i < quickScan.length; ++i) {
|
|
let videoConstraints = new VideoTrackConstraints(VideoSourceInfo.CAMERA);
|
|
videoConstraints.resolution = new Resolution(quickScan[i].width, quickScan[i].height);
|
|
MediaStreamFactory.createMediaStream(new StreamConstraints(false, videoConstraints)).then(stream => {
|
|
resolutions.push(quickScan[i]);
|
|
ok++;
|
|
|
|
if (ok + err == quickScan.length) {
|
|
resolve(resolutions);
|
|
}
|
|
}).catch(e => {
|
|
err++;
|
|
|
|
if (ok + err == quickScan.length) {
|
|
resolve(resolutions);
|
|
}
|
|
});
|
|
}
|
|
});
|
|
}
|
|
|
|
function GetAllScanResolution$1() {
|
|
return quickScan;
|
|
}
|
|
|
|
function isSupportResolution$1(w, h) {
|
|
return new Promise(function (resolve, reject) {
|
|
let videoConstraints = new VideoTrackConstraints(VideoSourceInfo.CAMERA);
|
|
videoConstraints.resolution = new Resolution(w, h);
|
|
MediaStreamFactory.createMediaStream(new StreamConstraints(false, videoConstraints)).then(stream => {
|
|
resolve();
|
|
}).catch(e => {
|
|
reject(e);
|
|
});
|
|
});
|
|
}
|
|
|
|
console.log('build date:', BUILD_DATE);
|
|
console.log('version:', VERSION);
|
|
const Events = Events$1;
|
|
const Media = media;
|
|
const Endpoint = RTCEndpoint;
|
|
const GetSupportCameraResolutions = GetSupportCameraResolutions$1;
|
|
const GetAllScanResolution = GetAllScanResolution$1;
|
|
const isSupportResolution = isSupportResolution$1;
|
|
|
|
exports.Endpoint = Endpoint;
|
|
exports.Events = Events;
|
|
exports.GetAllScanResolution = GetAllScanResolution;
|
|
exports.GetSupportCameraResolutions = GetSupportCameraResolutions;
|
|
exports.Media = Media;
|
|
exports.isSupportResolution = isSupportResolution;
|
|
|
|
Object.defineProperty(exports, '__esModule', {value: true});
|
|
|
|
return exports;
|
|
|
|
}({}));
|
|
export default ZLMRTCClient;
|
|
//# sourceMappingURL=ZLMRTCClient.js.map
|
|
|