/**
* @file Polyfills for maximum cross-browser compatibility.
*
* @version 0.4.1
* @private
*/
//String function polyfills
if (!String.prototype.padStart) {
String.prototype.padStart = function padStart(targetLength, padString) {
targetLength = targetLength >> 0; //truncate if number, or convert non-number to 0;
padString = String(typeof padString !== 'undefined' ? padString : ' ');
if (this.length >= targetLength) {
return String(this);
} else {
targetLength = targetLength - this.length;
if (targetLength > padString.length) {
padString += padString.repeat(targetLength / padString.length); //append to original to ensure we are longer than needed
}
return padString.slice(0, targetLength) + String(this);
}
};
}
if (!String.prototype.padEnd) {
String.prototype.padEnd = function padEnd(targetLength,padString) {
targetLength = targetLength>>0; //floor if number or convert non-number to 0;
padString = String((typeof padString !== 'undefined' ? padString : ' '));
if (this.length > targetLength) {
return String(this);
}
else {
targetLength = targetLength-this.length;
if (targetLength > padString.length) {
padString += padString.repeat(targetLength/padString.length); //append to original to ensure we are longer than needed
}
return String(this) + padString.slice(0,targetLength);
}
};
}
if (!String.prototype.startsWith) {
String.prototype.startsWith = function(search, pos) {
return this.substr(!pos || pos < 0 ? 0 : +pos, search.length) === search;
};
}
if (!String.prototype.endsWith) {
String.prototype.endsWith = function(search, this_len) {
if (this_len === undefined || this_len > this.length) {
this_len = this.length;
}
return this.substring(this_len - search.length, this_len) === search;
};
}
if (!String.prototype.trim) {
String.prototype.trim = function () {
return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
};
}
//TextEncoder polyfill (handles only "utf-8" encoding!)
if (typeof TextEncoder === "undefined") {
TextEncoder=function TextEncoder(){};
TextEncoder.prototype.encode = function encode(str) {
"use strict";
var Len = str.length, resPos = -1, resArr = new Uint8Array(Len * 3);
for (var point=0, nextcode=0, i = 0; i !== Len; ) {
point = str.charCodeAt(i), i += 1;
if (point >= 0xD800 && point <= 0xDBFF) {
if (i === Len) {
resArr[resPos += 1] = 0xef/*0b11101111*/; resArr[resPos += 1] = 0xbf/*0b10111111*/;
resArr[resPos += 1] = 0xbd/*0b10111101*/; break;
}
// https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
nextcode = str.charCodeAt(i);
if (nextcode >= 0xDC00 && nextcode <= 0xDFFF) {
point = (point - 0xD800) * 0x400 + nextcode - 0xDC00 + 0x10000;
i += 1;
if (point > 0xffff) {
resArr[resPos += 1] = (0x1e/*0b11110*/<<3) | (point>>>18);
resArr[resPos += 1] = (0x2/*0b10*/<<6) | ((point>>>12)&0x3f/*0b00111111*/);
resArr[resPos += 1] = (0x2/*0b10*/<<6) | ((point>>>6)&0x3f/*0b00111111*/);
resArr[resPos += 1] = (0x2/*0b10*/<<6) | (point&0x3f/*0b00111111*/);
continue;
}
} else {
resArr[resPos += 1] = 0xef/*0b11101111*/; resArr[resPos += 1] = 0xbf/*0b10111111*/;
resArr[resPos += 1] = 0xbd/*0b10111101*/; continue;
}
}
if (point <= 0x007f) {
resArr[resPos += 1] = (0x0/*0b0*/<<7) | point;
} else if (point <= 0x07ff) {
resArr[resPos += 1] = (0x6/*0b110*/<<5) | (point>>>6);
resArr[resPos += 1] = (0x2/*0b10*/<<6) | (point&0x3f/*0b00111111*/);
} else {
resArr[resPos += 1] = (0xe/*0b1110*/<<4) | (point>>>12);
resArr[resPos += 1] = (0x2/*0b10*/<<6) | ((point>>>6)&0x3f/*0b00111111*/);
resArr[resPos += 1] = (0x2/*0b10*/<<6) | (point&0x3f/*0b00111111*/);
}
}
resArr = new Uint8Array(resArr.buffer.slice(0, resPos+1));
return resArr;
};
TextEncoder.prototype.toString = function(){return "[object TextEncoder]"};
if (Object.defineProperty) {
Object.defineProperty(TextEncoder.prototype,"encoding",{get:function(){if(Object.getPrototypeOf
(this)===TextEncoder.prototype)throw TypeError("Illegal invocation");else return"utf-8"}});
} else {
TextEncoder.prototype.encoding = "utf-8";
}
if(typeof Symbol!=="undefined")TextEncoder.prototype[Symbol.toStringTag]="TextEncoder";
}
/*!
* Platform.js
*
* Detailed platform (runtime, OS, architecture) detection utility.
*
* Copyright 2014-2018 Benjamin Tan
* Copyright 2011-2013 John-David Dalton
* Available under MIT license
*
* https://github.com/bestiejs/platform.js/
*/
;(function() {
'use strict';
/** Used to determine if values are of the language type `Object`. */
var objectTypes = {
'function': true,
'object': true
};
/** Used as a reference to the global object. */
var root = (objectTypes[typeof window] && window) || this;
/** Backup possible global object. */
var oldRoot = root;
/** Detect free variable `exports`. */
var freeExports = objectTypes[typeof exports] && exports;
/** Detect free variable `module`. */
var freeModule = objectTypes[typeof module] && module && !module.nodeType && module;
/** Detect free variable `global` from Node.js or Browserified code and use it as `root`. */
var freeGlobal = freeExports && freeModule && typeof global == 'object' && global;
if (freeGlobal && (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal || freeGlobal.self === freeGlobal)) {
root = freeGlobal;
}
/**
* Used as the maximum length of an array-like object.
* See the [ES6 spec](http://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength)
* for more details.
*/
var maxSafeInteger = Math.pow(2, 53) - 1;
/** Regular expression to detect Opera. */
var reOpera = /\bOpera/;
/** Possible global object. */
var thisBinding = this;
/** Used for native method references. */
var objectProto = Object.prototype;
/** Used to check for own properties of an object. */
var hasOwnProperty = objectProto.hasOwnProperty;
/** Used to resolve the internal `[[Class]]` of values. */
var toString = objectProto.toString;
/*--------------------------------------------------------------------------*/
/**
* Capitalizes a string value.
*
* @private
* @param {string} string The string to capitalize.
* @returns {string} The capitalized string.
*/
function capitalize(string) {
string = String(string);
return string.charAt(0).toUpperCase() + string.slice(1);
}
/**
* A utility function to clean up the OS name.
*
* @private
* @param {string} os The OS name to clean up.
* @param {string} [pattern] A `RegExp` pattern matching the OS name.
* @param {string} [label] A label for the OS.
*/
function cleanupOS(os, pattern, label) {
// Platform tokens are defined at:
// http://msdn.microsoft.com/en-us/library/ms537503(VS.85).aspx
// http://web.archive.org/web/20081122053950/http://msdn.microsoft.com/en-us/library/ms537503(VS.85).aspx
var data = {
'10.0': '10',
'6.4': '10 Technical Preview',
'6.3': '8.1',
'6.2': '8',
'6.1': 'Server 2008 R2 / 7',
'6.0': 'Server 2008 / Vista',
'5.2': 'Server 2003 / XP 64-bit',
'5.1': 'XP',
'5.01': '2000 SP1',
'5.0': '2000',
'4.0': 'NT',
'4.90': 'ME'
};
// Detect Windows version from platform tokens.
if (pattern && label && /^Win/i.test(os) && !/^Windows Phone /i.test(os) &&
(data = data[/[\d.]+$/.exec(os)])) {
os = 'Windows ' + data;
}
// Correct character case and cleanup string.
os = String(os);
if (pattern && label) {
os = os.replace(RegExp(pattern, 'i'), label);
}
os = format(
os.replace(/ ce$/i, ' CE')
.replace(/\bhpw/i, 'web')
.replace(/\bMacintosh\b/, 'Mac OS')
.replace(/_PowerPC\b/i, ' OS')
.replace(/\b(OS X) [^ \d]+/i, '$1')
.replace(/\bMac (OS X)\b/, '$1')
.replace(/\/(\d)/, ' $1')
.replace(/_/g, '.')
.replace(/(?: BePC|[ .]*fc[ \d.]+)$/i, '')
.replace(/\bx86\.64\b/gi, 'x86_64')
.replace(/\b(Windows Phone) OS\b/, '$1')
.replace(/\b(Chrome OS \w+) [\d.]+\b/, '$1')
.split(' on ')[0]
);
return os;
}
/**
* An iteration utility for arrays and objects.
*
* @private
* @param {Array|Object} object The object to iterate over.
* @param {Function} callback The function called per iteration.
*/
function each(object, callback) {
var index = -1,
length = object ? object.length : 0;
if (typeof length == 'number' && length > -1 && length <= maxSafeInteger) {
while (++index < length) {
callback(object[index], index, object);
}
} else {
forOwn(object, callback);
}
}
/**
* Trim and conditionally capitalize string values.
*
* @private
* @param {string} string The string to format.
* @returns {string} The formatted string.
*/
function format(string) {
string = trim(string);
return /^(?:webOS|i(?:OS|P))/.test(string)
? string
: capitalize(string);
}
/**
* Iterates over an object's own properties, executing the `callback` for each.
*
* @private
* @param {Object} object The object to iterate over.
* @param {Function} callback The function executed per own property.
*/
function forOwn(object, callback) {
for (var key in object) {
if (hasOwnProperty.call(object, key)) {
callback(object[key], key, object);
}
}
}
/**
* Gets the internal `[[Class]]` of a value.
*
* @private
* @param {*} value The value.
* @returns {string} The `[[Class]]`.
*/
function getClassOf(value) {
return value == null
? capitalize(value)
: toString.call(value).slice(8, -1);
}
/**
* Host objects can return type values that are different from their actual
* data type. The objects we are concerned with usually return non-primitive
* types of "object", "function", or "unknown".
*
* @private
* @param {*} object The owner of the property.
* @param {string} property The property to check.
* @returns {boolean} Returns `true` if the property value is a non-primitive, else `false`.
*/
function isHostType(object, property) {
var type = object != null ? typeof object[property] : 'number';
return !/^(?:boolean|number|string|undefined)$/.test(type) &&
(type == 'object' ? !!object[property] : true);
}
/**
* Prepares a string for use in a `RegExp` by making hyphens and spaces optional.
*
* @private
* @param {string} string The string to qualify.
* @returns {string} The qualified string.
*/
function qualify(string) {
return String(string).replace(/([ -])(?!$)/g, '$1?');
}
/**
* A bare-bones `Array#reduce` like utility function.
*
* @private
* @param {Array} array The array to iterate over.
* @param {Function} callback The function called per iteration.
* @returns {*} The accumulated result.
*/
function reduce(array, callback) {
var accumulator = null;
each(array, function(value, index) {
accumulator = callback(accumulator, value, index, array);
});
return accumulator;
}
/**
* Removes leading and trailing whitespace from a string.
*
* @private
* @param {string} string The string to trim.
* @returns {string} The trimmed string.
*/
function trim(string) {
return String(string).replace(/^ +| +$/g, '');
}
/*--------------------------------------------------------------------------*/
/**
* Creates a new platform object.
*
* @memberOf platform
* @param {Object|string} [ua=navigator.userAgent] The user agent string or
* context object.
* @returns {Object} A platform object.
*/
function parse(ua) {
/** The environment context object. */
var context = root;
/** Used to flag when a custom context is provided. */
var isCustomContext = ua && typeof ua == 'object' && getClassOf(ua) != 'String';
// Juggle arguments.
if (isCustomContext) {
context = ua;
ua = null;
}
/** Browser navigator object. */
var nav = context.navigator || {};
/** Browser user agent string. */
var userAgent = nav.userAgent || '';
ua || (ua = userAgent);
/** Used to flag when `thisBinding` is the [ModuleScope]. */
var isModuleScope = isCustomContext || thisBinding == oldRoot;
/** Used to detect if browser is like Chrome. */
var likeChrome = isCustomContext
? !!nav.likeChrome
: /\bChrome\b/.test(ua) && !/internal|\n/i.test(toString.toString());
/** Internal `[[Class]]` value shortcuts. */
var objectClass = 'Object',
airRuntimeClass = isCustomContext ? objectClass : 'ScriptBridgingProxyObject',
enviroClass = isCustomContext ? objectClass : 'Environment',
javaClass = (isCustomContext && context.java) ? 'JavaPackage' : getClassOf(context.java),
phantomClass = isCustomContext ? objectClass : 'RuntimeObject';
/** Detect Java environments. */
var java = /\bJava/.test(javaClass) && context.java;
/** Detect Rhino. */
var rhino = java && getClassOf(context.environment) == enviroClass;
/** A character to represent alpha. */
var alpha = java ? 'a' : '\u03b1';
/** A character to represent beta. */
var beta = java ? 'b' : '\u03b2';
/** Browser document object. */
var doc = context.document || {};
/**
* Detect Opera browser (Presto-based).
* http://www.howtocreate.co.uk/operaStuff/operaObject.html
* http://dev.opera.com/articles/view/opera-mini-web-content-authoring-guidelines/#operamini
*/
var opera = context.operamini || context.opera;
/** Opera `[[Class]]`. */
var operaClass = reOpera.test(operaClass = (isCustomContext && opera) ? opera['[[Class]]'] : getClassOf(opera))
? operaClass
: (opera = null);
/*------------------------------------------------------------------------*/
/** Temporary variable used over the script's lifetime. */
var data;
/** The CPU architecture. */
var arch = ua;
/** Platform description array. */
var description = [];
/** Platform alpha/beta indicator. */
var prerelease = null;
/** A flag to indicate that environment features should be used to resolve the platform. */
var useFeatures = ua == userAgent;
/** The browser/environment version. */
var version = useFeatures && opera && typeof opera.version == 'function' && opera.version();
/** A flag to indicate if the OS ends with "/ Version" */
var isSpecialCasedOS;
/* Detectable layout engines (order is important). */
var layout = getLayout([
{ 'label': 'EdgeHTML', 'pattern': '(?:Edge|EdgA|EdgiOS)' },
'Trident',
{ 'label': 'WebKit', 'pattern': 'AppleWebKit' },
'iCab',
'Presto',
'NetFront',
'Tasman',
'KHTML',
'Gecko'
]);
/* Detectable browser names (order is important). */
var name = getName([
'Adobe AIR',
'Arora',
'Avant Browser',
'Breach',
'Camino',
'Electron',
'Epiphany',
'Fennec',
'Flock',
'Galeon',
'GreenBrowser',
'iCab',
'Iceweasel',
'K-Meleon',
'Konqueror',
'Lunascape',
'Maxthon',
{ 'label': 'Microsoft Edge', 'pattern': '(?:Edge|EdgA|EdgiOS)' },
'Midori',
'Nook Browser',
'PaleMoon',
'PhantomJS',
'Raven',
'Rekonq',
'RockMelt',
{ 'label': 'Samsung Internet', 'pattern': 'SamsungBrowser' },
'SeaMonkey',
{ 'label': 'Silk', 'pattern': '(?:Cloud9|Silk-Accelerated)' },
'Sleipnir',
'SlimBrowser',
{ 'label': 'SRWare Iron', 'pattern': 'Iron' },
'Sunrise',
'Swiftfox',
'Waterfox',
'WebPositive',
'Opera Mini',
{ 'label': 'Opera Mini', 'pattern': 'OPiOS' },
'Opera',
{ 'label': 'Opera', 'pattern': 'OPR' },
'Chrome',
{ 'label': 'Chrome Mobile', 'pattern': '(?:CriOS|CrMo)' },
{ 'label': 'Firefox', 'pattern': '(?:Firefox|Minefield)' },
{ 'label': 'Firefox for iOS', 'pattern': 'FxiOS' },
{ 'label': 'IE', 'pattern': 'IEMobile' },
{ 'label': 'IE', 'pattern': 'MSIE' },
'Safari'
]);
/* Detectable products (order is important). */
var product = getProduct([
{ 'label': 'BlackBerry', 'pattern': 'BB10' },
'BlackBerry',
{ 'label': 'Galaxy S', 'pattern': 'GT-I9000' },
{ 'label': 'Galaxy S2', 'pattern': 'GT-I9100' },
{ 'label': 'Galaxy S3', 'pattern': 'GT-I9300' },
{ 'label': 'Galaxy S4', 'pattern': 'GT-I9500' },
{ 'label': 'Galaxy S5', 'pattern': 'SM-G900' },
{ 'label': 'Galaxy S6', 'pattern': 'SM-G920' },
{ 'label': 'Galaxy S6 Edge', 'pattern': 'SM-G925' },
{ 'label': 'Galaxy S7', 'pattern': 'SM-G930' },
{ 'label': 'Galaxy S7 Edge', 'pattern': 'SM-G935' },
'Google TV',
'Lumia',
'iPad',
'iPod',
'iPhone',
'Kindle',
{ 'label': 'Kindle Fire', 'pattern': '(?:Cloud9|Silk-Accelerated)' },
'Nexus',
'Nook',
'PlayBook',
'PlayStation Vita',
'PlayStation',
'TouchPad',
'Transformer',
{ 'label': 'Wii U', 'pattern': 'WiiU' },
'Wii',
'Xbox One',
{ 'label': 'Xbox 360', 'pattern': 'Xbox' },
'Xoom'
]);
/* Detectable manufacturers. */
var manufacturer = getManufacturer({
'Apple': { 'iPad': 1, 'iPhone': 1, 'iPod': 1 },
'Archos': {},
'Amazon': { 'Kindle': 1, 'Kindle Fire': 1 },
'Asus': { 'Transformer': 1 },
'Barnes & Noble': { 'Nook': 1 },
'BlackBerry': { 'PlayBook': 1 },
'Google': { 'Google TV': 1, 'Nexus': 1 },
'HP': { 'TouchPad': 1 },
'HTC': {},
'LG': {},
'Microsoft': { 'Xbox': 1, 'Xbox One': 1 },
'Motorola': { 'Xoom': 1 },
'Nintendo': { 'Wii U': 1, 'Wii': 1 },
'Nokia': { 'Lumia': 1 },
'Samsung': { 'Galaxy S': 1, 'Galaxy S2': 1, 'Galaxy S3': 1, 'Galaxy S4': 1 },
'Sony': { 'PlayStation': 1, 'PlayStation Vita': 1 }
});
/* Detectable operating systems (order is important). */
var os = getOS([
'Windows Phone',
'Android',
'CentOS',
{ 'label': 'Chrome OS', 'pattern': 'CrOS' },
'Debian',
'Fedora',
'FreeBSD',
'Gentoo',
'Haiku',
'Kubuntu',
'Linux Mint',
'OpenBSD',
'Red Hat',
'SuSE',
'Ubuntu',
'Xubuntu',
'Cygwin',
'Symbian OS',
'hpwOS',
'webOS ',
'webOS',
'Tablet OS',
'Tizen',
'Linux',
'Mac OS X',
'Macintosh',
'Mac',
'Windows 98;',
'Windows '
]);
/*------------------------------------------------------------------------*/
/**
* Picks the layout engine from an array of guesses.
*
* @private
* @param {Array} guesses An array of guesses.
* @returns {null|string} The detected layout engine.
*/
function getLayout(guesses) {
return reduce(guesses, function(result, guess) {
return result || RegExp('\\b' + (
guess.pattern || qualify(guess)
) + '\\b', 'i').exec(ua) && (guess.label || guess);
});
}
/**
* Picks the manufacturer from an array of guesses.
*
* @private
* @param {Array} guesses An object of guesses.
* @returns {null|string} The detected manufacturer.
*/
function getManufacturer(guesses) {
return reduce(guesses, function(result, value, key) {
// Lookup the manufacturer by product or scan the UA for the manufacturer.
return result || (
value[product] ||
value[/^[a-z]+(?: +[a-z]+\b)*/i.exec(product)] ||
RegExp('\\b' + qualify(key) + '(?:\\b|\\w*\\d)', 'i').exec(ua)
) && key;
});
}
/**
* Picks the browser name from an array of guesses.
*
* @private
* @param {Array} guesses An array of guesses.
* @returns {null|string} The detected browser name.
*/
function getName(guesses) {
return reduce(guesses, function(result, guess) {
return result || RegExp('\\b' + (
guess.pattern || qualify(guess)
) + '\\b', 'i').exec(ua) && (guess.label || guess);
});
}
/**
* Picks the OS name from an array of guesses.
*
* @private
* @param {Array} guesses An array of guesses.
* @returns {null|string} The detected OS name.
*/
function getOS(guesses) {
return reduce(guesses, function(result, guess) {
var pattern = guess.pattern || qualify(guess);
if (!result && (result =
RegExp('\\b' + pattern + '(?:/[\\d.]+|[ \\w.]*)', 'i').exec(ua)
)) {
result = cleanupOS(result, pattern, guess.label || guess);
}
return result;
});
}
/**
* Picks the product name from an array of guesses.
*
* @private
* @param {Array} guesses An array of guesses.
* @returns {null|string} The detected product name.
*/
function getProduct(guesses) {
return reduce(guesses, function(result, guess) {
var pattern = guess.pattern || qualify(guess);
if (!result && (result =
RegExp('\\b' + pattern + ' *\\d+[.\\w_]*', 'i').exec(ua) ||
RegExp('\\b' + pattern + ' *\\w+-[\\w]*', 'i').exec(ua) ||
RegExp('\\b' + pattern + '(?:; *(?:[a-z]+[_-])?[a-z]+\\d+|[^ ();-]*)', 'i').exec(ua)
)) {
// Split by forward slash and append product version if needed.
if ((result = String((guess.label && !RegExp(pattern, 'i').test(guess.label)) ? guess.label : result).split('/'))[1] && !/[\d.]+/.test(result[0])) {
result[0] += ' ' + result[1];
}
// Correct character case and cleanup string.
guess = guess.label || guess;
result = format(result[0]
.replace(RegExp(pattern, 'i'), guess)
.replace(RegExp('; *(?:' + guess + '[_-])?', 'i'), ' ')
.replace(RegExp('(' + guess + ')[-_.]?(\\w)', 'i'), '$1 $2'));
}
return result;
});
}
/**
* Resolves the version using an array of UA patterns.
*
* @private
* @param {Array} patterns An array of UA patterns.
* @returns {null|string} The detected version.
*/
function getVersion(patterns) {
return reduce(patterns, function(result, pattern) {
return result || (RegExp(pattern +
'(?:-[\\d.]+/|(?: for [\\w-]+)?[ /-])([\\d.]+[^ ();/_-]*)', 'i').exec(ua) || 0)[1] || null;
});
}
/**
* Returns `platform.description` when the platform object is coerced to a string.
*
* @name toString
* @memberOf platform
* @returns {string} Returns `platform.description` if available, else an empty string.
*/
function toStringPlatform() {
return this.description || '';
}
/*------------------------------------------------------------------------*/
// Convert layout to an array so we can add extra details.
layout && (layout = [layout]);
// Detect product names that contain their manufacturer's name.
if (manufacturer && !product) {
product = getProduct([manufacturer]);
}
// Clean up Google TV.
if ((data = /\bGoogle TV\b/.exec(product))) {
product = data[0];
}
// Detect simulators.
if (/\bSimulator\b/i.test(ua)) {
product = (product ? product + ' ' : '') + 'Simulator';
}
// Detect Opera Mini 8+ running in Turbo/Uncompressed mode on iOS.
if (name == 'Opera Mini' && /\bOPiOS\b/.test(ua)) {
description.push('running in Turbo/Uncompressed mode');
}
// Detect IE Mobile 11.
if (name == 'IE' && /\blike iPhone OS\b/.test(ua)) {
data = parse(ua.replace(/like iPhone OS/, ''));
manufacturer = data.manufacturer;
product = data.product;
}
// Detect iOS.
else if (/^iP/.test(product)) {
name || (name = 'Safari');
os = 'iOS' + ((data = / OS ([\d_]+)/i.exec(ua))
? ' ' + data[1].replace(/_/g, '.')
: '');
}
// Detect Kubuntu.
else if (name == 'Konqueror' && !/buntu/i.test(os)) {
os = 'Kubuntu';
}
// Detect Android browsers.
else if ((manufacturer && manufacturer != 'Google' &&
((/Chrome/.test(name) && !/\bMobile Safari\b/i.test(ua)) || /\bVita\b/.test(product))) ||
(/\bAndroid\b/.test(os) && /^Chrome/.test(name) && /\bVersion\//i.test(ua))) {
name = 'Android Browser';
os = /\bAndroid\b/.test(os) ? os : 'Android';
}
// Detect Silk desktop/accelerated modes.
else if (name == 'Silk') {
if (!/\bMobi/i.test(ua)) {
os = 'Android';
description.unshift('desktop mode');
}
if (/Accelerated *= *true/i.test(ua)) {
description.unshift('accelerated');
}
}
// Detect PaleMoon identifying as Firefox.
else if (name == 'PaleMoon' && (data = /\bFirefox\/([\d.]+)\b/.exec(ua))) {
description.push('identifying as Firefox ' + data[1]);
}
// Detect Firefox OS and products running Firefox.
else if (name == 'Firefox' && (data = /\b(Mobile|Tablet|TV)\b/i.exec(ua))) {
os || (os = 'Firefox OS');
product || (product = data[1]);
}
// Detect false positives for Firefox/Safari.
else if (!name || (data = !/\bMinefield\b/i.test(ua) && /\b(?:Firefox|Safari)\b/.exec(name))) {
// Escape the `/` for Firefox 1.
if (name && !product && /[\/,]|^[^(]+?\)/.test(ua.slice(ua.indexOf(data + '/') + 8))) {
// Clear name of false positives.
name = null;
}
// Reassign a generic name.
if ((data = product || manufacturer || os) &&
(product || manufacturer || /\b(?:Android|Symbian OS|Tablet OS|webOS)\b/.test(os))) {
name = /[a-z]+(?: Hat)?/i.exec(/\bAndroid\b/.test(os) ? os : data) + ' Browser';
}
}
// Add Chrome version to description for Electron.
else if (name == 'Electron' && (data = (/\bChrome\/([\d.]+)\b/.exec(ua) || 0)[1])) {
description.push('Chromium ' + data);
}
// Detect non-Opera (Presto-based) versions (order is important).
if (!version) {
version = getVersion([
'(?:Cloud9|CriOS|CrMo|Edge|EdgA|EdgiOS|FxiOS|IEMobile|Iron|Opera ?Mini|OPiOS|OPR|Raven|SamsungBrowser|Silk(?!/[\\d.]+$))',
'Version',
qualify(name),
'(?:Firefox|Minefield|NetFront)'
]);
}
// Detect stubborn layout engines.
if ((data =
layout == 'iCab' && parseFloat(version) > 3 && 'WebKit' ||
/\bOpera\b/.test(name) && (/\bOPR\b/.test(ua) ? 'Blink' : 'Presto') ||
/\b(?:Midori|Nook|Safari)\b/i.test(ua) && !/^(?:Trident|EdgeHTML)$/.test(layout) && 'WebKit' ||
!layout && /\bMSIE\b/i.test(ua) && (os == 'Mac OS' ? 'Tasman' : 'Trident') ||
layout == 'WebKit' && /\bPlayStation\b(?! Vita\b)/i.test(name) && 'NetFront'
)) {
layout = [data];
}
// Detect Windows Phone 7 desktop mode.
if (name == 'IE' && (data = (/; *(?:XBLWP|ZuneWP)(\d+)/i.exec(ua) || 0)[1])) {
name += ' Mobile';
os = 'Windows Phone ' + (/\+$/.test(data) ? data : data + '.x');
description.unshift('desktop mode');
}
// Detect Windows Phone 8.x desktop mode.
else if (/\bWPDesktop\b/i.test(ua)) {
name = 'IE Mobile';
os = 'Windows Phone 8.x';
description.unshift('desktop mode');
version || (version = (/\brv:([\d.]+)/.exec(ua) || 0)[1]);
}
// Detect IE 11 identifying as other browsers.
else if (name != 'IE' && layout == 'Trident' && (data = /\brv:([\d.]+)/.exec(ua))) {
if (name) {
description.push('identifying as ' + name + (version ? ' ' + version : ''));
}
name = 'IE';
version = data[1];
}
// Leverage environment features.
if (useFeatures) {
// Detect server-side environments.
// Rhino has a global function while others have a global object.
if (isHostType(context, 'global')) {
if (java) {
data = java.lang.System;
arch = data.getProperty('os.arch');
os = os || data.getProperty('os.name') + ' ' + data.getProperty('os.version');
}
if (rhino) {
try {
version = context.require('ringo/engine').version.join('.');
name = 'RingoJS';
} catch(e) {
if ((data = context.system) && data.global.system == context.system) {
name = 'Narwhal';
os || (os = data[0].os || null);
}
}
if (!name) {
name = 'Rhino';
}
}
else if (
typeof context.process == 'object' && !context.process.browser &&
(data = context.process)
) {
if (typeof data.versions == 'object') {
if (typeof data.versions.electron == 'string') {
description.push('Node ' + data.versions.node);
name = 'Electron';
version = data.versions.electron;
} else if (typeof data.versions.nw == 'string') {
description.push('Chromium ' + version, 'Node ' + data.versions.node);
name = 'NW.js';
version = data.versions.nw;
}
}
if (!name) {
name = 'Node.js';
arch = data.arch;
os = data.platform;
version = /[\d.]+/.exec(data.version);
version = version ? version[0] : null;
}
}
}
// Detect Adobe AIR.
else if (getClassOf((data = context.runtime)) == airRuntimeClass) {
name = 'Adobe AIR';
os = data.flash.system.Capabilities.os;
}
// Detect PhantomJS.
else if (getClassOf((data = context.phantom)) == phantomClass) {
name = 'PhantomJS';
version = (data = data.version || null) && (data.major + '.' + data.minor + '.' + data.patch);
}
// Detect IE compatibility modes.
else if (typeof doc.documentMode == 'number' && (data = /\bTrident\/(\d+)/i.exec(ua))) {
// We're in compatibility mode when the Trident version + 4 doesn't
// equal the document mode.
version = [version, doc.documentMode];
if ((data = +data[1] + 4) != version[1]) {
description.push('IE ' + version[1] + ' mode');
layout && (layout[1] = '');
version[1] = data;
}
version = name == 'IE' ? String(version[1].toFixed(1)) : version[0];
}
// Detect IE 11 masking as other browsers.
else if (typeof doc.documentMode == 'number' && /^(?:Chrome|Firefox)\b/.test(name)) {
description.push('masking as ' + name + ' ' + version);
name = 'IE';
version = '11.0';
layout = ['Trident'];
os = 'Windows';
}
os = os && format(os);
}
// Detect prerelease phases.
if (version && (data =
/(?:[ab]|dp|pre|[ab]\d+pre)(?:\d+\+?)?$/i.exec(version) ||
/(?:alpha|beta)(?: ?\d)?/i.exec(ua + ';' + (useFeatures && nav.appMinorVersion)) ||
/\bMinefield\b/i.test(ua) && 'a'
)) {
prerelease = /b/i.test(data) ? 'beta' : 'alpha';
version = version.replace(RegExp(data + '\\+?$'), '') +
(prerelease == 'beta' ? beta : alpha) + (/\d+\+?/.exec(data) || '');
}
// Detect Firefox Mobile.
if (name == 'Fennec' || name == 'Firefox' && /\b(?:Android|Firefox OS)\b/.test(os)) {
name = 'Firefox Mobile';
}
// Obscure Maxthon's unreliable version.
else if (name == 'Maxthon' && version) {
version = version.replace(/\.[\d.]+/, '.x');
}
// Detect Xbox 360 and Xbox One.
else if (/\bXbox\b/i.test(product)) {
if (product == 'Xbox 360') {
os = null;
}
if (product == 'Xbox 360' && /\bIEMobile\b/.test(ua)) {
description.unshift('mobile mode');
}
}
// Add mobile postfix.
else if ((/^(?:Chrome|IE|Opera)$/.test(name) || name && !product && !/Browser|Mobi/.test(name)) &&
(os == 'Windows CE' || /Mobi/i.test(ua))) {
name += ' Mobile';
}
// Detect IE platform preview.
else if (name == 'IE' && useFeatures) {
try {
if (context.external === null) {
description.unshift('platform preview');
}
} catch(e) {
description.unshift('embedded');
}
}
// Detect BlackBerry OS version.
// http://docs.blackberry.com/en/developers/deliverables/18169/HTTP_headers_sent_by_BB_Browser_1234911_11.jsp
else if ((/\bBlackBerry\b/.test(product) || /\bBB10\b/.test(ua)) && (data =
(RegExp(product.replace(/ +/g, ' *') + '/([.\\d]+)', 'i').exec(ua) || 0)[1] ||
version
)) {
data = [data, /BB10/.test(ua)];
os = (data[1] ? (product = null, manufacturer = 'BlackBerry') : 'Device Software') + ' ' + data[0];
version = null;
}
// Detect Opera identifying/masking itself as another browser.
// http://www.opera.com/support/kb/view/843/
else if (this != forOwn && product != 'Wii' && (
(useFeatures && opera) ||
(/Opera/.test(name) && /\b(?:MSIE|Firefox)\b/i.test(ua)) ||
(name == 'Firefox' && /\bOS X (?:\d+\.){2,}/.test(os)) ||
(name == 'IE' && (
(os && !/^Win/.test(os) && version > 5.5) ||
/\bWindows XP\b/.test(os) && version > 8 ||
version == 8 && !/\bTrident\b/.test(ua)
))
) && !reOpera.test((data = parse.call(forOwn, ua.replace(reOpera, '') + ';'))) && data.name) {
// When "identifying", the UA contains both Opera and the other browser's name.
data = 'ing as ' + data.name + ((data = data.version) ? ' ' + data : '');
if (reOpera.test(name)) {
if (/\bIE\b/.test(data) && os == 'Mac OS') {
os = null;
}
data = 'identify' + data;
}
// When "masking", the UA contains only the other browser's name.
else {
data = 'mask' + data;
if (operaClass) {
name = format(operaClass.replace(/([a-z])([A-Z])/g, '$1 $2'));
} else {
name = 'Opera';
}
if (/\bIE\b/.test(data)) {
os = null;
}
if (!useFeatures) {
version = null;
}
}
layout = ['Presto'];
description.push(data);
}
// Detect WebKit Nightly and approximate Chrome/Safari versions.
if ((data = (/\bAppleWebKit\/([\d.]+\+?)/i.exec(ua) || 0)[1])) {
// Correct build number for numeric comparison.
// (e.g. "532.5" becomes "532.05")
data = [parseFloat(data.replace(/\.(\d)$/, '.0$1')), data];
// Nightly builds are postfixed with a "+".
if (name == 'Safari' && data[1].slice(-1) == '+') {
name = 'WebKit Nightly';
prerelease = 'alpha';
version = data[1].slice(0, -1);
}
// Clear incorrect browser versions.
else if (version == data[1] ||
version == (data[2] = (/\bSafari\/([\d.]+\+?)/i.exec(ua) || 0)[1])) {
version = null;
}
// Use the full Chrome version when available.
data[1] = (/\bChrome\/([\d.]+)/i.exec(ua) || 0)[1];
// Detect Blink layout engine.
if (data[0] == 537.36 && data[2] == 537.36 && parseFloat(data[1]) >= 28 && layout == 'WebKit') {
layout = ['Blink'];
}
// Detect JavaScriptCore.
// http://stackoverflow.com/questions/6768474/how-can-i-detect-which-javascript-engine-v8-or-jsc-is-used-at-runtime-in-androi
if (!useFeatures || (!likeChrome && !data[1])) {
layout && (layout[1] = 'like Safari');
data = (data = data[0], data < 400 ? 1 : data < 500 ? 2 : data < 526 ? 3 : data < 533 ? 4 : data < 534 ? '4+' : data < 535 ? 5 : data < 537 ? 6 : data < 538 ? 7 : data < 601 ? 8 : '8');
} else {
layout && (layout[1] = 'like Chrome');
data = data[1] || (data = data[0], data < 530 ? 1 : data < 532 ? 2 : data < 532.05 ? 3 : data < 533 ? 4 : data < 534.03 ? 5 : data < 534.07 ? 6 : data < 534.10 ? 7 : data < 534.13 ? 8 : data < 534.16 ? 9 : data < 534.24 ? 10 : data < 534.30 ? 11 : data < 535.01 ? 12 : data < 535.02 ? '13+' : data < 535.07 ? 15 : data < 535.11 ? 16 : data < 535.19 ? 17 : data < 536.05 ? 18 : data < 536.10 ? 19 : data < 537.01 ? 20 : data < 537.11 ? '21+' : data < 537.13 ? 23 : data < 537.18 ? 24 : data < 537.24 ? 25 : data < 537.36 ? 26 : layout != 'Blink' ? '27' : '28');
}
// Add the postfix of ".x" or "+" for approximate versions.
layout && (layout[1] += ' ' + (data += typeof data == 'number' ? '.x' : /[.+]/.test(data) ? '' : '+'));
// Obscure version for some Safari 1-2 releases.
if (name == 'Safari' && (!version || parseInt(version) > 45)) {
version = data;
}
}
// Detect Opera desktop modes.
if (name == 'Opera' && (data = /\bzbov|zvav$/.exec(os))) {
name += ' ';
description.unshift('desktop mode');
if (data == 'zvav') {
name += 'Mini';
version = null;
} else {
name += 'Mobile';
}
os = os.replace(RegExp(' *' + data + '$'), '');
}
// Detect Chrome desktop mode.
else if (name == 'Safari' && /\bChrome\b/.exec(layout && layout[1])) {
description.unshift('desktop mode');
name = 'Chrome Mobile';
version = null;
if (/\bOS X\b/.test(os)) {
manufacturer = 'Apple';
os = 'iOS 4.3+';
} else {
os = null;
}
}
// Strip incorrect OS versions.
if (version && version.indexOf((data = /[\d.]+$/.exec(os))) == 0 &&
ua.indexOf('/' + data + '-') > -1) {
os = trim(os.replace(data, ''));
}
// Add layout engine.
if (layout && !/\b(?:Avant|Nook)\b/.test(name) && (
/Browser|Lunascape|Maxthon/.test(name) ||
name != 'Safari' && /^iOS/.test(os) && /\bSafari\b/.test(layout[1]) ||
/^(?:Adobe|Arora|Breach|Midori|Opera|Phantom|Rekonq|Rock|Samsung Internet|Sleipnir|Web)/.test(name) && layout[1])) {
// Don't add layout details to description if they are falsey.
(data = layout[layout.length - 1]) && description.push(data);
}
// Combine contextual information.
if (description.length) {
description = ['(' + description.join('; ') + ')'];
}
// Append manufacturer to description.
if (manufacturer && product && product.indexOf(manufacturer) < 0) {
description.push('on ' + manufacturer);
}
// Append product to description.
if (product) {
description.push((/^on /.test(description[description.length - 1]) ? '' : 'on ') + product);
}
// Parse the OS into an object.
if (os) {
data = / ([\d.+]+)$/.exec(os);
isSpecialCasedOS = data && os.charAt(os.length - data[0].length - 1) == '/';
os = {
'architecture': 32,
'family': (data && !isSpecialCasedOS) ? os.replace(data[0], '') : os,
'version': data ? data[1] : null,
'toString': function() {
var version = this.version;
return this.family + ((version && !isSpecialCasedOS) ? ' ' + version : '') + (this.architecture == 64 ? ' 64-bit' : '');
}
};
}
// Add browser/OS architecture.
if ((data = /\b(?:AMD|IA|Win|WOW|x86_|x)64\b/i.exec(arch)) && !/\bi686\b/i.test(arch)) {
if (os) {
os.architecture = 64;
os.family = os.family.replace(RegExp(' *' + data), '');
}
if (
name && (/\bWOW64\b/i.test(ua) ||
(useFeatures && /\w(?:86|32)$/.test(nav.cpuClass || nav.platform) && !/\bWin64; x64\b/i.test(ua)))
) {
description.unshift('32-bit');
}
}
// Chrome 39 and above on OS X is always 64-bit.
else if (
os && /^OS X/.test(os.family) &&
name == 'Chrome' && parseFloat(version) >= 39
) {
os.architecture = 64;
}
ua || (ua = null);
/*------------------------------------------------------------------------*/
/**
* The platform object.
*
* @name platform
* @type Object
*/
var platform = {};
/**
* The platform description.
*
* @memberOf platform
* @type string|null
*/
platform.description = ua;
/**
* The name of the browser's layout engine.
*
* The list of common layout engines include:
* "Blink", "EdgeHTML", "Gecko", "Trident" and "WebKit"
*
* @memberOf platform
* @type string|null
*/
platform.layout = layout && layout[0];
/**
* The name of the product's manufacturer.
*
* The list of manufacturers include:
* "Apple", "Archos", "Amazon", "Asus", "Barnes & Noble", "BlackBerry",
* "Google", "HP", "HTC", "LG", "Microsoft", "Motorola", "Nintendo",
* "Nokia", "Samsung" and "Sony"
*
* @memberOf platform
* @type string|null
*/
platform.manufacturer = manufacturer;
/**
* The name of the browser/environment.
*
* The list of common browser names include:
* "Chrome", "Electron", "Firefox", "Firefox for iOS", "IE",
* "Microsoft Edge", "PhantomJS", "Safari", "SeaMonkey", "Silk",
* "Opera Mini" and "Opera"
*
* Mobile versions of some browsers have "Mobile" appended to their name:
* eg. "Chrome Mobile", "Firefox Mobile", "IE Mobile" and "Opera Mobile"
*
* @memberOf platform
* @type string|null
*/
platform.name = name;
/**
* The alpha/beta release indicator.
*
* @memberOf platform
* @type string|null
*/
platform.prerelease = prerelease;
/**
* The name of the product hosting the browser.
*
* The list of common products include:
*
* "BlackBerry", "Galaxy S4", "Lumia", "iPad", "iPod", "iPhone", "Kindle",
* "Kindle Fire", "Nexus", "Nook", "PlayBook", "TouchPad" and "Transformer"
*
* @memberOf platform
* @type string|null
*/
platform.product = product;
/**
* The browser's user agent string.
*
* @memberOf platform
* @type string|null
*/
platform.ua = ua;
/**
* The browser/environment version.
*
* @memberOf platform
* @type string|null
*/
platform.version = name && version;
/**
* The name of the operating system.
*
* @memberOf platform
* @type Object
*/
platform.os = os || {
/**
* The CPU architecture the OS is built for.
*
* @memberOf platform.os
* @type number|null
*/
'architecture': null,
/**
* The family of the OS.
*
* Common values include:
* "Windows", "Windows Server 2008 R2 / 7", "Windows Server 2008 / Vista",
* "Windows XP", "OS X", "Ubuntu", "Debian", "Fedora", "Red Hat", "SuSE",
* "Android", "iOS" and "Windows Phone"
*
* @memberOf platform.os
* @type string|null
*/
'family': null,
/**
* The version of the OS.
*
* @memberOf platform.os
* @type string|null
*/
'version': null,
/**
* Returns the OS string.
*
* @memberOf platform.os
* @returns {string} The OS string.
*/
'toString': function() { return 'null'; }
};
platform.parse = parse;
platform.toString = toStringPlatform;
if (platform.version) {
description.unshift(version);
}
if (platform.name) {
description.unshift(name);
}
if (os && name && !(os == String(os).split(' ')[0] && (os == name.split(' ')[0] || product))) {
description.push(product ? '(' + os + ')' : 'on ' + os);
}
if (description.length) {
platform.description = description.join(' ');
}
return platform;
}
/*--------------------------------------------------------------------------*/
// Export platform.
var platform = parse();
// Some AMD build optimizers, like r.js, check for condition patterns like the following:
if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) {
// Expose platform on the global object to prevent errors when platform is
// loaded by a script tag in the presence of an AMD loader.
// See http://requirejs.org/docs/errors.html#mismatch for more details.
root.platform = platform;
// Define as an anonymous module so platform can be aliased through path mapping.
define(function() {
return platform;
});
}
// Check for `exports` after `define` in case a build optimizer adds an `exports` object.
else if (freeExports && freeModule) {
// Export for CommonJS support.
forOwn(platform, function(value, key) {
freeExports[key] = value;
});
}
else {
// Export to the global object.
root.platform = platform;
}
}.call(this));
//WebRTC polyfill
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.adapter = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
var _adapter_factory = require('./adapter_factory.js');
var adapter = (0, _adapter_factory.adapterFactory)({ window: window });
module.exports = adapter; // this is the difference from adapter_core.
},{"./adapter_factory.js":2}],2:[function(require,module,exports){
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.adapterFactory = adapterFactory;
var _utils = require('./utils');
var utils = _interopRequireWildcard(_utils);
var _chrome_shim = require('./chrome/chrome_shim');
var chromeShim = _interopRequireWildcard(_chrome_shim);
var _edge_shim = require('./edge/edge_shim');
var edgeShim = _interopRequireWildcard(_edge_shim);
var _firefox_shim = require('./firefox/firefox_shim');
var firefoxShim = _interopRequireWildcard(_firefox_shim);
var _safari_shim = require('./safari/safari_shim');
var safariShim = _interopRequireWildcard(_safari_shim);
var _common_shim = require('./common_shim');
var commonShim = _interopRequireWildcard(_common_shim);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
// Shimming starts here.
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
function adapterFactory() {
var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
window = _ref.window;
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {
shimChrome: true,
shimFirefox: true,
shimEdge: true,
shimSafari: true
};
// Utils.
var logging = utils.log;
var browserDetails = utils.detectBrowser(window);
var adapter = {
browserDetails: browserDetails,
commonShim: commonShim,
extractVersion: utils.extractVersion,
disableLog: utils.disableLog,
disableWarnings: utils.disableWarnings
};
// Shim browser if found.
switch (browserDetails.browser) {
case 'chrome':
if (!chromeShim || !chromeShim.shimPeerConnection || !options.shimChrome) {
logging('Chrome shim is not included in this adapter release.');
return adapter;
}
logging('adapter.js shimming chrome.');
// Export to the adapter global object visible in the browser.
adapter.browserShim = chromeShim;
chromeShim.shimGetUserMedia(window);
chromeShim.shimMediaStream(window);
chromeShim.shimPeerConnection(window);
chromeShim.shimOnTrack(window);
chromeShim.shimAddTrackRemoveTrack(window);
chromeShim.shimGetSendersWithDtmf(window);
chromeShim.shimSenderReceiverGetStats(window);
chromeShim.fixNegotiationNeeded(window);
commonShim.shimRTCIceCandidate(window);
commonShim.shimConnectionState(window);
commonShim.shimMaxMessageSize(window);
commonShim.shimSendThrowTypeError(window);
commonShim.removeAllowExtmapMixed(window);
break;
case 'firefox':
if (!firefoxShim || !firefoxShim.shimPeerConnection || !options.shimFirefox) {
logging('Firefox shim is not included in this adapter release.');
return adapter;
}
logging('adapter.js shimming firefox.');
// Export to the adapter global object visible in the browser.
adapter.browserShim = firefoxShim;
firefoxShim.shimGetUserMedia(window);
firefoxShim.shimPeerConnection(window);
firefoxShim.shimOnTrack(window);
firefoxShim.shimRemoveStream(window);
firefoxShim.shimSenderGetStats(window);
firefoxShim.shimReceiverGetStats(window);
firefoxShim.shimRTCDataChannel(window);
commonShim.shimRTCIceCandidate(window);
commonShim.shimConnectionState(window);
commonShim.shimMaxMessageSize(window);
commonShim.shimSendThrowTypeError(window);
break;
case 'edge':
if (!edgeShim || !edgeShim.shimPeerConnection || !options.shimEdge) {
logging('MS edge shim is not included in this adapter release.');
return adapter;
}
logging('adapter.js shimming edge.');
// Export to the adapter global object visible in the browser.
adapter.browserShim = edgeShim;
edgeShim.shimGetUserMedia(window);
edgeShim.shimGetDisplayMedia(window);
edgeShim.shimPeerConnection(window);
edgeShim.shimReplaceTrack(window);
// the edge shim implements the full RTCIceCandidate object.
commonShim.shimMaxMessageSize(window);
commonShim.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;
safariShim.shimRTCIceServerUrls(window);
safariShim.shimCreateOfferLegacy(window);
safariShim.shimCallbacksAPI(window);
safariShim.shimLocalStreamsAPI(window);
safariShim.shimRemoteStreamsAPI(window);
safariShim.shimTrackEventTransceiver(window);
safariShim.shimGetUserMedia(window);
commonShim.shimRTCIceCandidate(window);
commonShim.shimMaxMessageSize(window);
commonShim.shimSendThrowTypeError(window);
commonShim.removeAllowExtmapMixed(window);
break;
default:
logging('Unsupported browser!');
break;
}
return adapter;
}
// Browser shims.
},{"./chrome/chrome_shim":3,"./common_shim":6,"./edge/edge_shim":7,"./firefox/firefox_shim":11,"./safari/safari_shim":14,"./utils":15}],3:[function(require,module,exports){
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined;
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
var _getusermedia = require('./getusermedia');
Object.defineProperty(exports, 'shimGetUserMedia', {
enumerable: true,
get: function get() {
return _getusermedia.shimGetUserMedia;
}
});
var _getdisplaymedia = require('./getdisplaymedia');
Object.defineProperty(exports, 'shimGetDisplayMedia', {
enumerable: true,
get: function get() {
return _getdisplaymedia.shimGetDisplayMedia;
}
});
exports.shimMediaStream = shimMediaStream;
exports.shimOnTrack = shimOnTrack;
exports.shimGetSendersWithDtmf = shimGetSendersWithDtmf;
exports.shimSenderReceiverGetStats = shimSenderReceiverGetStats;
exports.shimAddTrackRemoveTrackWithNative = shimAddTrackRemoveTrackWithNative;
exports.shimAddTrackRemoveTrack = shimAddTrackRemoveTrack;
exports.shimPeerConnection = shimPeerConnection;
exports.fixNegotiationNeeded = fixNegotiationNeeded;
var _utils = require('../utils.js');
var utils = _interopRequireWildcard(_utils);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
/* iterates the stats graph recursively. */
function walkStats(stats, base, resultSet) {
if (!base || resultSet.has(base.id)) {
return;
}
resultSet.set(base.id, base);
Object.keys(base).forEach(function (name) {
if (name.endsWith('Id')) {
walkStats(stats, stats.get(base[name]), resultSet);
} else if (name.endsWith('Ids')) {
base[name].forEach(function (id) {
walkStats(stats, stats.get(id), resultSet);
});
}
});
}
/* filter getStats for a sender/receiver track. */
function filterStats(result, track, outbound) {
var streamStatsType = outbound ? 'outbound-rtp' : 'inbound-rtp';
var filteredResult = new Map();
if (track === null) {
return filteredResult;
}
var trackStats = [];
result.forEach(function (value) {
if (value.type === 'track' && value.trackIdentifier === track.id) {
trackStats.push(value);
}
});
trackStats.forEach(function (trackStat) {
result.forEach(function (stats) {
if (stats.type === streamStatsType && stats.trackId === trackStat.id) {
walkStats(result, stats, filteredResult);
}
});
});
return filteredResult;
}
function shimMediaStream(window) {
window.MediaStream = window.MediaStream || window.webkitMediaStream;
}
function shimOnTrack(window) {
if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && !('ontrack' in window.RTCPeerConnection.prototype)) {
Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {
get: function get() {
return this._ontrack;
},
set: function set(f) {
if (this._ontrack) {
this.removeEventListener('track', this._ontrack);
}
this.addEventListener('track', this._ontrack = f);
},
enumerable: true,
configurable: true
});
var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;
window.RTCPeerConnection.prototype.setRemoteDescription = function () {
var _this = this;
if (!this._ontrackpoly) {
this._ontrackpoly = function (e) {
// onaddstream does not fire when a track is added to an existing
// stream. But stream.onaddtrack is implemented so we use that.
e.stream.addEventListener('addtrack', function (te) {
var receiver = void 0;
if (window.RTCPeerConnection.prototype.getReceivers) {
receiver = _this.getReceivers().find(function (r) {
return r.track && r.track.id === te.track.id;
});
} else {
receiver = { track: te.track };
}
var event = new Event('track');
event.track = te.track;
event.receiver = receiver;
event.transceiver = { receiver: receiver };
event.streams = [e.stream];
_this.dispatchEvent(event);
});
e.stream.getTracks().forEach(function (track) {
var receiver = void 0;
if (window.RTCPeerConnection.prototype.getReceivers) {
receiver = _this.getReceivers().find(function (r) {
return r.track && r.track.id === track.id;
});
} else {
receiver = { track: track };
}
var event = new Event('track');
event.track = track;
event.receiver = receiver;
event.transceiver = { receiver: receiver };
event.streams = [e.stream];
_this.dispatchEvent(event);
});
};
this.addEventListener('addstream', this._ontrackpoly);
}
return origSetRemoteDescription.apply(this, arguments);
};
} else {
// even if RTCRtpTransceiver is in window, it is only used and
// emitted in unified-plan. Unfortunately this means we need
// to unconditionally wrap the event.
utils.wrapPeerConnectionEvent(window, 'track', function (e) {
if (!e.transceiver) {
Object.defineProperty(e, 'transceiver', { value: { receiver: e.receiver } });
}
return e;
});
}
}
function shimGetSendersWithDtmf(window) {
// Overrides addTrack/removeTrack, depends on shimAddTrackRemoveTrack.
if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && !('getSenders' in window.RTCPeerConnection.prototype) && 'createDTMFSender' in window.RTCPeerConnection.prototype) {
var shimSenderWithDtmf = function shimSenderWithDtmf(pc, track) {
return {
track: track,
get dtmf() {
if (this._dtmf === undefined) {
if (track.kind === 'audio') {
this._dtmf = pc.createDTMFSender(track);
} else {
this._dtmf = null;
}
}
return this._dtmf;
},
_pc: pc
};
};
// augment addTrack when getSenders is not available.
if (!window.RTCPeerConnection.prototype.getSenders) {
window.RTCPeerConnection.prototype.getSenders = function () {
this._senders = this._senders || [];
return this._senders.slice(); // return a copy of the internal state.
};
var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
window.RTCPeerConnection.prototype.addTrack = function (track, stream) {
var sender = origAddTrack.apply(this, arguments);
if (!sender) {
sender = shimSenderWithDtmf(this, track);
this._senders.push(sender);
}
return sender;
};
var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
window.RTCPeerConnection.prototype.removeTrack = function (sender) {
origRemoveTrack.apply(this, arguments);
var idx = this._senders.indexOf(sender);
if (idx !== -1) {
this._senders.splice(idx, 1);
}
};
}
var origAddStream = window.RTCPeerConnection.prototype.addStream;
window.RTCPeerConnection.prototype.addStream = function (stream) {
var _this2 = this;
this._senders = this._senders || [];
origAddStream.apply(this, [stream]);
stream.getTracks().forEach(function (track) {
_this2._senders.push(shimSenderWithDtmf(_this2, track));
});
};
var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
window.RTCPeerConnection.prototype.removeStream = function (stream) {
var _this3 = this;
this._senders = this._senders || [];
origRemoveStream.apply(this, [stream]);
stream.getTracks().forEach(function (track) {
var sender = _this3._senders.find(function (s) {
return s.track === track;
});
if (sender) {
// remove sender
_this3._senders.splice(_this3._senders.indexOf(sender), 1);
}
});
};
} else if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && 'getSenders' in window.RTCPeerConnection.prototype && 'createDTMFSender' in window.RTCPeerConnection.prototype && window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) {
var origGetSenders = window.RTCPeerConnection.prototype.getSenders;
window.RTCPeerConnection.prototype.getSenders = function () {
var _this4 = this;
var senders = origGetSenders.apply(this, []);
senders.forEach(function (sender) {
return sender._pc = _this4;
});
return senders;
};
Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {
get: function get() {
if (this._dtmf === undefined) {
if (this.track.kind === 'audio') {
this._dtmf = this._pc.createDTMFSender(this.track);
} else {
this._dtmf = null;
}
}
return this._dtmf;
}
});
}
}
function shimSenderReceiverGetStats(window) {
if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && window.RTCRtpSender && window.RTCRtpReceiver)) {
return;
}
// shim sender stats.
if (!('getStats' in window.RTCRtpSender.prototype)) {
var origGetSenders = window.RTCPeerConnection.prototype.getSenders;
if (origGetSenders) {
window.RTCPeerConnection.prototype.getSenders = function () {
var _this5 = this;
var senders = origGetSenders.apply(this, []);
senders.forEach(function (sender) {
return sender._pc = _this5;
});
return senders;
};
}
var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
if (origAddTrack) {
window.RTCPeerConnection.prototype.addTrack = function () {
var sender = origAddTrack.apply(this, arguments);
sender._pc = this;
return sender;
};
}
window.RTCRtpSender.prototype.getStats = function () {
var sender = this;
return this._pc.getStats().then(function (result) {
return (
/* Note: this will include stats of all senders that
* send a track with the same id as sender.track as
* it is not possible to identify the RTCRtpSender.
*/
filterStats(result, sender.track, true)
);
});
};
}
// shim receiver stats.
if (!('getStats' in window.RTCRtpReceiver.prototype)) {
var origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;
if (origGetReceivers) {
window.RTCPeerConnection.prototype.getReceivers = function () {
var _this6 = this;
var receivers = origGetReceivers.apply(this, []);
receivers.forEach(function (receiver) {
return receiver._pc = _this6;
});
return receivers;
};
}
utils.wrapPeerConnectionEvent(window, 'track', function (e) {
e.receiver._pc = e.srcElement;
return e;
});
window.RTCRtpReceiver.prototype.getStats = function () {
var receiver = this;
return this._pc.getStats().then(function (result) {
return filterStats(result, receiver.track, false);
});
};
}
if (!('getStats' in window.RTCRtpSender.prototype && 'getStats' in window.RTCRtpReceiver.prototype)) {
return;
}
// shim RTCPeerConnection.getStats(track).
var origGetStats = window.RTCPeerConnection.prototype.getStats;
window.RTCPeerConnection.prototype.getStats = function () {
if (arguments.length > 0 && arguments[0] instanceof window.MediaStreamTrack) {
var track = arguments[0];
var sender = void 0;
var receiver = void 0;
var err = void 0;
this.getSenders().forEach(function (s) {
if (s.track === track) {
if (sender) {
err = true;
} else {
sender = s;
}
}
});
this.getReceivers().forEach(function (r) {
if (r.track === track) {
if (receiver) {
err = true;
} else {
receiver = r;
}
}
return r.track === track;
});
if (err || sender && receiver) {
return Promise.reject(new DOMException('There are more than one sender or receiver for the track.', 'InvalidAccessError'));
} else if (sender) {
return sender.getStats();
} else if (receiver) {
return receiver.getStats();
}
return Promise.reject(new DOMException('There is no sender or receiver for the track.', 'InvalidAccessError'));
}
return origGetStats.apply(this, arguments);
};
}
function shimAddTrackRemoveTrackWithNative(window) {
// shim addTrack/removeTrack with native variants in order to make
// the interactions with legacy getLocalStreams behave as in other browsers.
// Keeps a mapping stream.id => [stream, rtpsenders...]
window.RTCPeerConnection.prototype.getLocalStreams = function () {
var _this7 = this;
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
return Object.keys(this._shimmedLocalStreams).map(function (streamId) {
return _this7._shimmedLocalStreams[streamId][0];
});
};
var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
window.RTCPeerConnection.prototype.addTrack = function (track, stream) {
if (!stream) {
return origAddTrack.apply(this, arguments);
}
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
var sender = origAddTrack.apply(this, arguments);
if (!this._shimmedLocalStreams[stream.id]) {
this._shimmedLocalStreams[stream.id] = [stream, sender];
} else if (this._shimmedLocalStreams[stream.id].indexOf(sender) === -1) {
this._shimmedLocalStreams[stream.id].push(sender);
}
return sender;
};
var origAddStream = window.RTCPeerConnection.prototype.addStream;
window.RTCPeerConnection.prototype.addStream = function (stream) {
var _this8 = this;
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
stream.getTracks().forEach(function (track) {
var alreadyExists = _this8.getSenders().find(function (s) {
return s.track === track;
});
if (alreadyExists) {
throw new DOMException('Track already exists.', 'InvalidAccessError');
}
});
var existingSenders = this.getSenders();
origAddStream.apply(this, arguments);
var newSenders = this.getSenders().filter(function (newSender) {
return existingSenders.indexOf(newSender) === -1;
});
this._shimmedLocalStreams[stream.id] = [stream].concat(newSenders);
};
var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
window.RTCPeerConnection.prototype.removeStream = function (stream) {
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
delete this._shimmedLocalStreams[stream.id];
return origRemoveStream.apply(this, arguments);
};
var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
window.RTCPeerConnection.prototype.removeTrack = function (sender) {
var _this9 = this;
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
if (sender) {
Object.keys(this._shimmedLocalStreams).forEach(function (streamId) {
var idx = _this9._shimmedLocalStreams[streamId].indexOf(sender);
if (idx !== -1) {
_this9._shimmedLocalStreams[streamId].splice(idx, 1);
}
if (_this9._shimmedLocalStreams[streamId].length === 1) {
delete _this9._shimmedLocalStreams[streamId];
}
});
}
return origRemoveTrack.apply(this, arguments);
};
}
function shimAddTrackRemoveTrack(window) {
if (!window.RTCPeerConnection) {
return;
}
var browserDetails = utils.detectBrowser(window);
// shim addTrack and removeTrack.
if (window.RTCPeerConnection.prototype.addTrack && browserDetails.version >= 65) {
return shimAddTrackRemoveTrackWithNative(window);
}
// also shim pc.getLocalStreams when addTrack is shimmed
// to return the original streams.
var origGetLocalStreams = window.RTCPeerConnection.prototype.getLocalStreams;
window.RTCPeerConnection.prototype.getLocalStreams = function () {
var _this10 = this;
var nativeStreams = origGetLocalStreams.apply(this);
this._reverseStreams = this._reverseStreams || {};
return nativeStreams.map(function (stream) {
return _this10._reverseStreams[stream.id];
});
};
var origAddStream = window.RTCPeerConnection.prototype.addStream;
window.RTCPeerConnection.prototype.addStream = function (stream) {
var _this11 = this;
this._streams = this._streams || {};
this._reverseStreams = this._reverseStreams || {};
stream.getTracks().forEach(function (track) {
var alreadyExists = _this11.getSenders().find(function (s) {
return s.track === track;
});
if (alreadyExists) {
throw new DOMException('Track already exists.', 'InvalidAccessError');
}
});
// Add identity mapping for consistency with addTrack.
// Unless this is being used with a stream from addTrack.
if (!this._reverseStreams[stream.id]) {
var newStream = new window.MediaStream(stream.getTracks());
this._streams[stream.id] = newStream;
this._reverseStreams[newStream.id] = stream;
stream = newStream;
}
origAddStream.apply(this, [stream]);
};
var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
window.RTCPeerConnection.prototype.removeStream = function (stream) {
this._streams = this._streams || {};
this._reverseStreams = this._reverseStreams || {};
origRemoveStream.apply(this, [this._streams[stream.id] || stream]);
delete this._reverseStreams[this._streams[stream.id] ? this._streams[stream.id].id : stream.id];
delete this._streams[stream.id];
};
window.RTCPeerConnection.prototype.addTrack = function (track, stream) {
var _this12 = this;
if (this.signalingState === 'closed') {
throw new DOMException('The RTCPeerConnection\'s signalingState is \'closed\'.', 'InvalidStateError');
}
var streams = [].slice.call(arguments, 1);
if (streams.length !== 1 || !streams[0].getTracks().find(function (t) {
return t === track;
})) {
// this is not fully correct but all we can manage without
// [[associated MediaStreams]] internal slot.
throw new DOMException('The adapter.js addTrack polyfill only supports a single ' + ' stream which is associated with the specified track.', 'NotSupportedError');
}
var alreadyExists = this.getSenders().find(function (s) {
return s.track === track;
});
if (alreadyExists) {
throw new DOMException('Track already exists.', 'InvalidAccessError');
}
this._streams = this._streams || {};
this._reverseStreams = this._reverseStreams || {};
var oldStream = this._streams[stream.id];
if (oldStream) {
// this is using odd Chrome behaviour, use with caution:
// https://bugs.chromium.org/p/webrtc/issues/detail?id=7815
// Note: we rely on the high-level addTrack/dtmf shim to
// create the sender with a dtmf sender.
oldStream.addTrack(track);
// Trigger ONN async.
Promise.resolve().then(function () {
_this12.dispatchEvent(new Event('negotiationneeded'));
});
} else {
var newStream = new window.MediaStream([track]);
this._streams[stream.id] = newStream;
this._reverseStreams[newStream.id] = stream;
this.addStream(newStream);
}
return this.getSenders().find(function (s) {
return s.track === track;
});
};
// replace the internal stream id with the external one and
// vice versa.
function replaceInternalStreamId(pc, description) {
var sdp = description.sdp;
Object.keys(pc._reverseStreams || []).forEach(function (internalId) {
var externalStream = pc._reverseStreams[internalId];
var internalStream = pc._streams[externalStream.id];
sdp = sdp.replace(new RegExp(internalStream.id, 'g'), externalStream.id);
});
return new RTCSessionDescription({
type: description.type,
sdp: sdp
});
}
function replaceExternalStreamId(pc, description) {
var sdp = description.sdp;
Object.keys(pc._reverseStreams || []).forEach(function (internalId) {
var externalStream = pc._reverseStreams[internalId];
var internalStream = pc._streams[externalStream.id];
sdp = sdp.replace(new RegExp(externalStream.id, 'g'), internalStream.id);
});
return new RTCSessionDescription({
type: description.type,
sdp: sdp
});
}
['createOffer', 'createAnswer'].forEach(function (method) {
var nativeMethod = window.RTCPeerConnection.prototype[method];
window.RTCPeerConnection.prototype[method] = function () {
var _this13 = this;
var args = arguments;
var isLegacyCall = arguments.length && typeof arguments[0] === 'function';
if (isLegacyCall) {
return nativeMethod.apply(this, [function (description) {
var desc = replaceInternalStreamId(_this13, description);
args[0].apply(null, [desc]);
}, function (err) {
if (args[1]) {
args[1].apply(null, err);
}
}, arguments[2]]);
}
return nativeMethod.apply(this, arguments).then(function (description) {
return replaceInternalStreamId(_this13, description);
});
};
});
var origSetLocalDescription = window.RTCPeerConnection.prototype.setLocalDescription;
window.RTCPeerConnection.prototype.setLocalDescription = function () {
if (!arguments.length || !arguments[0].type) {
return origSetLocalDescription.apply(this, arguments);
}
arguments[0] = replaceExternalStreamId(this, arguments[0]);
return origSetLocalDescription.apply(this, arguments);
};
// TODO: mangle getStats: https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamstats-streamidentifier
var origLocalDescription = Object.getOwnPropertyDescriptor(window.RTCPeerConnection.prototype, 'localDescription');
Object.defineProperty(window.RTCPeerConnection.prototype, 'localDescription', {
get: function get() {
var description = origLocalDescription.get.apply(this);
if (description.type === '') {
return description;
}
return replaceInternalStreamId(this, description);
}
});
window.RTCPeerConnection.prototype.removeTrack = function (sender) {
var _this14 = this;
if (this.signalingState === 'closed') {
throw new DOMException('The RTCPeerConnection\'s signalingState is \'closed\'.', 'InvalidStateError');
}
// We can not yet check for sender instanceof RTCRtpSender
// since we shim RTPSender. So we check if sender._pc is set.
if (!sender._pc) {
throw new DOMException('Argument 1 of RTCPeerConnection.removeTrack ' + 'does not implement interface RTCRtpSender.', 'TypeError');
}
var isLocal = sender._pc === this;
if (!isLocal) {
throw new DOMException('Sender was not created by this connection.', 'InvalidAccessError');
}
// Search for the native stream the senders track belongs to.
this._streams = this._streams || {};
var stream = void 0;
Object.keys(this._streams).forEach(function (streamid) {
var hasTrack = _this14._streams[streamid].getTracks().find(function (track) {
return sender.track === track;
});
if (hasTrack) {
stream = _this14._streams[streamid];
}
});
if (stream) {
if (stream.getTracks().length === 1) {
// if this is the last track of the stream, remove the stream. This
// takes care of any shimmed _senders.
this.removeStream(this._reverseStreams[stream.id]);
} else {
// relying on the same odd chrome behaviour as above.
stream.removeTrack(sender.track);
}
this.dispatchEvent(new Event('negotiationneeded'));
}
};
}
function shimPeerConnection(window) {
if (!window.RTCPeerConnection && window.webkitRTCPeerConnection) {
// very basic support for old versions.
window.RTCPeerConnection = window.webkitRTCPeerConnection;
}
if (!window.RTCPeerConnection) {
return;
}
var origGetStats = window.RTCPeerConnection.prototype.getStats;
window.RTCPeerConnection.prototype.getStats = function (selector, successCallback, errorCallback) {
var _this15 = this;
var args = arguments;
// If selector is a function then we are in the old style stats so just
// pass back the original getStats format to avoid breaking old users.
if (arguments.length > 0 && typeof selector === 'function') {
return origGetStats.apply(this, arguments);
}
// When spec-style getStats is supported, return those when called with
// either no arguments or the selector argument is null.
if (origGetStats.length === 0 && (arguments.length === 0 || typeof arguments[0] !== 'function')) {
return origGetStats.apply(this, []);
}
var fixChromeStats_ = function fixChromeStats_(response) {
var standardReport = {};
var reports = response.result();
reports.forEach(function (report) {
var standardStats = {
id: report.id,
timestamp: report.timestamp,
type: {
localcandidate: 'local-candidate',
remotecandidate: 'remote-candidate'
}[report.type] || report.type
};
report.names().forEach(function (name) {
standardStats[name] = report.stat(name);
});
standardReport[standardStats.id] = standardStats;
});
return standardReport;
};
// shim getStats with maplike support
var makeMapStats = function makeMapStats(stats) {
return new Map(Object.keys(stats).map(function (key) {
return [key, stats[key]];
}));
};
if (arguments.length >= 2) {
var successCallbackWrapper_ = function successCallbackWrapper_(response) {
args[1](makeMapStats(fixChromeStats_(response)));
};
return origGetStats.apply(this, [successCallbackWrapper_, arguments[0]]);
}
// promise-support
return new Promise(function (resolve, reject) {
origGetStats.apply(_this15, [function (response) {
resolve(makeMapStats(fixChromeStats_(response)));
}, reject]);
}).then(successCallback, errorCallback);
};
// shim implicit creation of RTCSessionDescription/RTCIceCandidate
['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'].forEach(function (method) {
var nativeMethod = window.RTCPeerConnection.prototype[method];
window.RTCPeerConnection.prototype[method] = function () {
arguments[0] = new (method === 'addIceCandidate' ? window.RTCIceCandidate : window.RTCSessionDescription)(arguments[0]);
return nativeMethod.apply(this, arguments);
};
});
// support for addIceCandidate(null or undefined)
var nativeAddIceCandidate = window.RTCPeerConnection.prototype.addIceCandidate;
window.RTCPeerConnection.prototype.addIceCandidate = function () {
if (!arguments[0]) {
if (arguments[1]) {
arguments[1].apply(null);
}
return Promise.resolve();
}
return nativeAddIceCandidate.apply(this, arguments);
};
}
function fixNegotiationNeeded(window) {
utils.wrapPeerConnectionEvent(window, 'negotiationneeded', function (e) {
var pc = e.target;
if (pc.signalingState !== 'stable') {
return;
}
return e;
});
}
},{"../utils.js":15,"./getdisplaymedia":4,"./getusermedia":5}],4:[function(require,module,exports){
/*
* Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.shimGetDisplayMedia = shimGetDisplayMedia;
function shimGetDisplayMedia(window, getSourceId) {
if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {
return;
}
if (!window.navigator.mediaDevices) {
return;
}
// getSourceId is a function that returns a promise resolving with
// the sourceId of the screen/window/tab to be shared.
if (typeof getSourceId !== 'function') {
console.error('shimGetDisplayMedia: getSourceId argument is not ' + 'a function');
return;
}
window.navigator.mediaDevices.getDisplayMedia = function (constraints) {
return getSourceId(constraints).then(function (sourceId) {
var widthSpecified = constraints.video && constraints.video.width;
var heightSpecified = constraints.video && constraints.video.height;
var frameRateSpecified = constraints.video && constraints.video.frameRate;
constraints.video = {
mandatory: {
chromeMediaSource: 'desktop',
chromeMediaSourceId: sourceId,
maxFrameRate: frameRateSpecified || 3
}
};
if (widthSpecified) {
constraints.video.mandatory.maxWidth = widthSpecified;
}
if (heightSpecified) {
constraints.video.mandatory.maxHeight = heightSpecified;
}
return window.navigator.mediaDevices.getUserMedia(constraints);
});
};
}
},{}],5:[function(require,module,exports){
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
exports.shimGetUserMedia = shimGetUserMedia;
var _utils = require('../utils.js');
var utils = _interopRequireWildcard(_utils);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
var logging = utils.log;
function shimGetUserMedia(window) {
var navigator = window && window.navigator;
if (!navigator.mediaDevices) {
return;
}
var browserDetails = utils.detectBrowser(window);
var constraintsToChrome_ = function constraintsToChrome_(c) {
if ((typeof c === 'undefined' ? 'undefined' : _typeof(c)) !== 'object' || c.mandatory || c.optional) {
return c;
}
var cc = {};
Object.keys(c).forEach(function (key) {
if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
return;
}
var r = _typeof(c[key]) === 'object' ? c[key] : { ideal: c[key] };
if (r.exact !== undefined && typeof r.exact === 'number') {
r.min = r.max = r.exact;
}
var oldname_ = function oldname_(prefix, name) {
if (prefix) {
return prefix + name.charAt(0).toUpperCase() + name.slice(1);
}
return name === 'deviceId' ? 'sourceId' : name;
};
if (r.ideal !== undefined) {
cc.optional = cc.optional || [];
var oc = {};
if (typeof r.ideal === 'number') {
oc[oldname_('min', key)] = r.ideal;
cc.optional.push(oc);
oc = {};
oc[oldname_('max', key)] = r.ideal;
cc.optional.push(oc);
} else {
oc[oldname_('', key)] = r.ideal;
cc.optional.push(oc);
}
}
if (r.exact !== undefined && typeof r.exact !== 'number') {
cc.mandatory = cc.mandatory || {};
cc.mandatory[oldname_('', key)] = r.exact;
} else {
['min', 'max'].forEach(function (mix) {
if (r[mix] !== undefined) {
cc.mandatory = cc.mandatory || {};
cc.mandatory[oldname_(mix, key)] = r[mix];
}
});
}
});
if (c.advanced) {
cc.optional = (cc.optional || []).concat(c.advanced);
}
return cc;
};
var shimConstraints_ = function shimConstraints_(constraints, func) {
if (browserDetails.version >= 61) {
return func(constraints);
}
constraints = JSON.parse(JSON.stringify(constraints));
if (constraints && _typeof(constraints.audio) === 'object') {
var remap = function remap(obj, a, b) {
if (a in obj && !(b in obj)) {
obj[b] = obj[a];
delete obj[a];
}
};
constraints = JSON.parse(JSON.stringify(constraints));
remap(constraints.audio, 'autoGainControl', 'googAutoGainControl');
remap(constraints.audio, 'noiseSuppression', 'googNoiseSuppression');
constraints.audio = constraintsToChrome_(constraints.audio);
}
if (constraints && _typeof(constraints.video) === 'object') {
// Shim facingMode for mobile & surface pro.
var face = constraints.video.facingMode;
face = face && ((typeof face === 'undefined' ? 'undefined' : _typeof(face)) === 'object' ? face : { ideal: face });
var getSupportedFacingModeLies = browserDetails.version < 66;
if (face && (face.exact === 'user' || face.exact === 'environment' || face.ideal === 'user' || face.ideal === 'environment') && !(navigator.mediaDevices.getSupportedConstraints && navigator.mediaDevices.getSupportedConstraints().facingMode && !getSupportedFacingModeLies)) {
delete constraints.video.facingMode;
var matches = void 0;
if (face.exact === 'environment' || face.ideal === 'environment') {
matches = ['back', 'rear'];
} else if (face.exact === 'user' || face.ideal === 'user') {
matches = ['front'];
}
if (matches) {
// Look for matches in label, or use last cam for back (typical).
return navigator.mediaDevices.enumerateDevices().then(function (devices) {
devices = devices.filter(function (d) {
return d.kind === 'videoinput';
});
var dev = devices.find(function (d) {
return matches.some(function (match) {
return d.label.toLowerCase().includes(match);
});
});
if (!dev && devices.length && matches.includes('back')) {
dev = devices[devices.length - 1]; // more likely the back cam
}
if (dev) {
constraints.video.deviceId = face.exact ? { exact: dev.deviceId } : { ideal: dev.deviceId };
}
constraints.video = constraintsToChrome_(constraints.video);
logging('chrome: ' + JSON.stringify(constraints));
return func(constraints);
});
}
}
constraints.video = constraintsToChrome_(constraints.video);
}
logging('chrome: ' + JSON.stringify(constraints));
return func(constraints);
};
var shimError_ = function shimError_(e) {
if (browserDetails.version >= 64) {
return e;
}
return {
name: {
PermissionDeniedError: 'NotAllowedError',
PermissionDismissedError: 'NotAllowedError',
InvalidStateError: 'NotAllowedError',
DevicesNotFoundError: 'NotFoundError',
ConstraintNotSatisfiedError: 'OverconstrainedError',
TrackStartError: 'NotReadableError',
MediaDeviceFailedDueToShutdown: 'NotAllowedError',
MediaDeviceKillSwitchOn: 'NotAllowedError',
TabCaptureError: 'AbortError',
ScreenCaptureError: 'AbortError',
DeviceCaptureError: 'AbortError'
}[e.name] || e.name,
message: e.message,
constraint: e.constraint || e.constraintName,
toString: function toString() {
return this.name + (this.message && ': ') + this.message;
}
};
};
var getUserMedia_ = function getUserMedia_(constraints, onSuccess, onError) {
shimConstraints_(constraints, function (c) {
navigator.webkitGetUserMedia(c, onSuccess, function (e) {
if (onError) {
onError(shimError_(e));
}
});
});
};
navigator.getUserMedia = getUserMedia_.bind(navigator);
// Even though Chrome 45 has navigator.mediaDevices and a getUserMedia
// function which returns a Promise, it does not accept spec-style
// constraints.
var origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);
navigator.mediaDevices.getUserMedia = function (cs) {
return shimConstraints_(cs, function (c) {
return origGetUserMedia(c).then(function (stream) {
if (c.audio && !stream.getAudioTracks().length || c.video && !stream.getVideoTracks().length) {
stream.getTracks().forEach(function (track) {
track.stop();
});
throw new DOMException('', 'NotFoundError');
}
return stream;
}, function (e) {
return Promise.reject(shimError_(e));
});
});
};
}
},{"../utils.js":15}],6:[function(require,module,exports){
/*
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
exports.shimRTCIceCandidate = shimRTCIceCandidate;
exports.shimMaxMessageSize = shimMaxMessageSize;
exports.shimSendThrowTypeError = shimSendThrowTypeError;
exports.shimConnectionState = shimConnectionState;
exports.removeAllowExtmapMixed = removeAllowExtmapMixed;
var _sdp = require('sdp');
var _sdp2 = _interopRequireDefault(_sdp);
var _utils = require('./utils');
var utils = _interopRequireWildcard(_utils);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function shimRTCIceCandidate(window) {
// foundation is arbitrarily chosen as an indicator for full support for
// https://w3c.github.io/webrtc-pc/#rtcicecandidate-interface
if (!window.RTCIceCandidate || window.RTCIceCandidate && 'foundation' in window.RTCIceCandidate.prototype) {
return;
}
var NativeRTCIceCandidate = window.RTCIceCandidate;
window.RTCIceCandidate = function (args) {
// Remove the a= which shouldn't be part of the candidate string.
if ((typeof args === 'undefined' ? 'undefined' : _typeof(args)) === 'object' && args.candidate && args.candidate.indexOf('a=') === 0) {
args = JSON.parse(JSON.stringify(args));
args.candidate = args.candidate.substr(2);
}
if (args.candidate && args.candidate.length) {
// Augment the native candidate with the parsed fields.
var nativeCandidate = new NativeRTCIceCandidate(args);
var parsedCandidate = _sdp2.default.parseCandidate(args.candidate);
var augmentedCandidate = Object.assign(nativeCandidate, parsedCandidate);
// Add a serializer that does not serialize the extra attributes.
augmentedCandidate.toJSON = function () {
return {
candidate: augmentedCandidate.candidate,
sdpMid: augmentedCandidate.sdpMid,
sdpMLineIndex: augmentedCandidate.sdpMLineIndex,
usernameFragment: augmentedCandidate.usernameFragment
};
};
return augmentedCandidate;
}
return new NativeRTCIceCandidate(args);
};
window.RTCIceCandidate.prototype = NativeRTCIceCandidate.prototype;
// Hook up the augmented candidate in onicecandidate and
// addEventListener('icecandidate', ...)
utils.wrapPeerConnectionEvent(window, 'icecandidate', function (e) {
if (e.candidate) {
Object.defineProperty(e, 'candidate', {
value: new window.RTCIceCandidate(e.candidate),
writable: 'false'
});
}
return e;
});
}
function shimMaxMessageSize(window) {
if (window.RTCSctpTransport || !window.RTCPeerConnection) {
return;
}
var browserDetails = utils.detectBrowser(window);
if (!('sctp' in window.RTCPeerConnection.prototype)) {
Object.defineProperty(window.RTCPeerConnection.prototype, 'sctp', {
get: function get() {
return typeof this._sctp === 'undefined' ? null : this._sctp;
}
});
}
var sctpInDescription = function sctpInDescription(description) {
var sections = _sdp2.default.splitSections(description.sdp);
sections.shift();
return sections.some(function (mediaSection) {
var mLine = _sdp2.default.parseMLine(mediaSection);
return mLine && mLine.kind === 'application' && mLine.protocol.indexOf('SCTP') !== -1;
});
};
var getRemoteFirefoxVersion = function getRemoteFirefoxVersion(description) {
// TODO: Is there a better solution for detecting Firefox?
var match = description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);
if (match === null || match.length < 2) {
return -1;
}
var version = parseInt(match[1], 10);
// Test for NaN (yes, this is ugly)
return version !== version ? -1 : version;
};
var getCanSendMaxMessageSize = function getCanSendMaxMessageSize(remoteIsFirefox) {
// Every implementation we know can send at least 64 KiB.
// Note: Although Chrome is technically able to send up to 256 KiB, the
// data does not reach the other peer reliably.
// See: https://bugs.chromium.org/p/webrtc/issues/detail?id=8419
var canSendMaxMessageSize = 65536;
if (browserDetails.browser === 'firefox') {
if (browserDetails.version < 57) {
if (remoteIsFirefox === -1) {
// FF < 57 will send in 16 KiB chunks using the deprecated PPID
// fragmentation.
canSendMaxMessageSize = 16384;
} else {
// However, other FF (and RAWRTC) can reassemble PPID-fragmented
// messages. Thus, supporting ~2 GiB when sending.
canSendMaxMessageSize = 2147483637;
}
} else if (browserDetails.version < 60) {
// Currently, all FF >= 57 will reset the remote maximum message size
// to the default value when a data channel is created at a later
// stage. :(
// See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
canSendMaxMessageSize = browserDetails.version === 57 ? 65535 : 65536;
} else {
// FF >= 60 supports sending ~2 GiB
canSendMaxMessageSize = 2147483637;
}
}
return canSendMaxMessageSize;
};
var getMaxMessageSize = function getMaxMessageSize(description, remoteIsFirefox) {
// Note: 65536 bytes is the default value from the SDP spec. Also,
// every implementation we know supports receiving 65536 bytes.
var maxMessageSize = 65536;
// FF 57 has a slightly incorrect default remote max message size, so
// we need to adjust it here to avoid a failure when sending.
// See: https://bugzilla.mozilla.org/show_bug.cgi?id=1425697
if (browserDetails.browser === 'firefox' && browserDetails.version === 57) {
maxMessageSize = 65535;
}
var match = _sdp2.default.matchPrefix(description.sdp, 'a=max-message-size:');
if (match.length > 0) {
maxMessageSize = parseInt(match[0].substr(19), 10);
} else if (browserDetails.browser === 'firefox' && remoteIsFirefox !== -1) {
// If the maximum message size is not present in the remote SDP and
// both local and remote are Firefox, the remote peer can receive
// ~2 GiB.
maxMessageSize = 2147483637;
}
return maxMessageSize;
};
var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;
window.RTCPeerConnection.prototype.setRemoteDescription = function () {
this._sctp = null;
if (sctpInDescription(arguments[0])) {
// Check if the remote is FF.
var isFirefox = getRemoteFirefoxVersion(arguments[0]);
// Get the maximum message size the local peer is capable of sending
var canSendMMS = getCanSendMaxMessageSize(isFirefox);
// Get the maximum message size of the remote peer.
var remoteMMS = getMaxMessageSize(arguments[0], isFirefox);
// Determine final maximum message size
var maxMessageSize = void 0;
if (canSendMMS === 0 && remoteMMS === 0) {
maxMessageSize = Number.POSITIVE_INFINITY;
} else if (canSendMMS === 0 || remoteMMS === 0) {
maxMessageSize = Math.max(canSendMMS, remoteMMS);
} else {
maxMessageSize = Math.min(canSendMMS, remoteMMS);
}
// Create a dummy RTCSctpTransport object and the 'maxMessageSize'
// attribute.
var sctp = {};
Object.defineProperty(sctp, 'maxMessageSize', {
get: function get() {
return maxMessageSize;
}
});
this._sctp = sctp;
}
return origSetRemoteDescription.apply(this, arguments);
};
}
function shimSendThrowTypeError(window) {
if (!(window.RTCPeerConnection && 'createDataChannel' in window.RTCPeerConnection.prototype)) {
return;
}
// Note: Although Firefox >= 57 has a native implementation, the maximum
// message size can be reset for all data channels at a later stage.
// See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
function wrapDcSend(dc, pc) {
var origDataChannelSend = dc.send;
dc.send = function () {
var data = arguments[0];
var length = data.length || data.size || data.byteLength;
if (dc.readyState === 'open' && pc.sctp && length > pc.sctp.maxMessageSize) {
throw new TypeError('Message too large (can send a maximum of ' + pc.sctp.maxMessageSize + ' bytes)');
}
return origDataChannelSend.apply(dc, arguments);
};
}
var origCreateDataChannel = window.RTCPeerConnection.prototype.createDataChannel;
window.RTCPeerConnection.prototype.createDataChannel = function () {
var dataChannel = origCreateDataChannel.apply(this, arguments);
wrapDcSend(dataChannel, this);
return dataChannel;
};
utils.wrapPeerConnectionEvent(window, 'datachannel', function (e) {
wrapDcSend(e.channel, e.target);
return e;
});
}
/* shims RTCConnectionState by pretending it is the same as iceConnectionState.
* See https://bugs.chromium.org/p/webrtc/issues/detail?id=6145#c12
* for why this is a valid hack in Chrome. In Firefox it is slightly incorrect
* since DTLS failures would be hidden. See
* https://bugzilla.mozilla.org/show_bug.cgi?id=1265827
* for the Firefox tracking bug.
*/
function shimConnectionState(window) {
if (!window.RTCPeerConnection || 'connectionState' in window.RTCPeerConnection.prototype) {
return;
}
var proto = window.RTCPeerConnection.prototype;
Object.defineProperty(proto, 'connectionState', {
get: function get() {
return {
completed: 'connected',
checking: 'connecting'
}[this.iceConnectionState] || this.iceConnectionState;
},
enumerable: true,
configurable: true
});
Object.defineProperty(proto, 'onconnectionstatechange', {
get: function get() {
return this._onconnectionstatechange || null;
},
set: function set(cb) {
if (this._onconnectionstatechange) {
this.removeEventListener('connectionstatechange', this._onconnectionstatechange);
delete this._onconnectionstatechange;
}
if (cb) {
this.addEventListener('connectionstatechange', this._onconnectionstatechange = cb);
}
},
enumerable: true,
configurable: true
});
['setLocalDescription', 'setRemoteDescription'].forEach(function (method) {
var origMethod = proto[method];
proto[method] = function () {
if (!this._connectionstatechangepoly) {
this._connectionstatechangepoly = function (e) {
var pc = e.target;
if (pc._lastConnectionState !== pc.connectionState) {
pc._lastConnectionState = pc.connectionState;
var newEvent = new Event('connectionstatechange', e);
pc.dispatchEvent(newEvent);
}
return e;
};
this.addEventListener('iceconnectionstatechange', this._connectionstatechangepoly);
}
return origMethod.apply(this, arguments);
};
});
}
function removeAllowExtmapMixed(window) {
/* remove a=extmap-allow-mixed for Chrome < M71 */
if (!window.RTCPeerConnection) {
return;
}
var browserDetails = utils.detectBrowser(window);
if (browserDetails.browser === 'chrome' && browserDetails.version >= 71) {
return;
}
var nativeSRD = window.RTCPeerConnection.prototype.setRemoteDescription;
window.RTCPeerConnection.prototype.setRemoteDescription = function (desc) {
if (desc && desc.sdp && desc.sdp.indexOf('\na=extmap-allow-mixed') !== -1) {
desc.sdp = desc.sdp.split('\n').filter(function (line) {
return line.trim() !== 'a=extmap-allow-mixed';
}).join('\n');
}
return nativeSRD.apply(this, arguments);
};
}
},{"./utils":15,"sdp":17}],7:[function(require,module,exports){
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined;
var _getusermedia = require('./getusermedia');
Object.defineProperty(exports, 'shimGetUserMedia', {
enumerable: true,
get: function get() {
return _getusermedia.shimGetUserMedia;
}
});
var _getdisplaymedia = require('./getdisplaymedia');
Object.defineProperty(exports, 'shimGetDisplayMedia', {
enumerable: true,
get: function get() {
return _getdisplaymedia.shimGetDisplayMedia;
}
});
exports.shimPeerConnection = shimPeerConnection;
exports.shimReplaceTrack = shimReplaceTrack;
var _utils = require('../utils');
var utils = _interopRequireWildcard(_utils);
var _filtericeservers = require('./filtericeservers');
var _rtcpeerconnectionShim = require('rtcpeerconnection-shim');
var _rtcpeerconnectionShim2 = _interopRequireDefault(_rtcpeerconnectionShim);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function shimPeerConnection(window) {
var browserDetails = utils.detectBrowser(window);
if (window.RTCIceGatherer) {
if (!window.RTCIceCandidate) {
window.RTCIceCandidate = function (args) {
return args;
};
}
if (!window.RTCSessionDescription) {
window.RTCSessionDescription = function (args) {
return args;
};
}
// this adds an additional event listener to MediaStrackTrack that signals
// when a tracks enabled property was changed. Workaround for a bug in
// addStream, see below. No longer required in 15025+
if (browserDetails.version < 15025) {
var origMSTEnabled = Object.getOwnPropertyDescriptor(window.MediaStreamTrack.prototype, 'enabled');
Object.defineProperty(window.MediaStreamTrack.prototype, 'enabled', {
set: function set(value) {
origMSTEnabled.set.call(this, value);
var ev = new Event('enabled');
ev.enabled = value;
this.dispatchEvent(ev);
}
});
}
}
// ORTC defines the DTMF sender a bit different.
// https://github.com/w3c/ortc/issues/714
if (window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) {
Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {
get: function get() {
if (this._dtmf === undefined) {
if (this.track.kind === 'audio') {
this._dtmf = new window.RTCDtmfSender(this);
} else if (this.track.kind === 'video') {
this._dtmf = null;
}
}
return this._dtmf;
}
});
}
// Edge currently only implements the RTCDtmfSender, not the
// RTCDTMFSender alias. See http://draft.ortc.org/#rtcdtmfsender2*
if (window.RTCDtmfSender && !window.RTCDTMFSender) {
window.RTCDTMFSender = window.RTCDtmfSender;
}
var RTCPeerConnectionShim = (0, _rtcpeerconnectionShim2.default)(window, browserDetails.version);
window.RTCPeerConnection = function (config) {
if (config && config.iceServers) {
config.iceServers = (0, _filtericeservers.filterIceServers)(config.iceServers, browserDetails.version);
utils.log('ICE servers after filtering:', config.iceServers);
}
return new RTCPeerConnectionShim(config);
};
window.RTCPeerConnection.prototype = RTCPeerConnectionShim.prototype;
}
function shimReplaceTrack(window) {
// ORTC has replaceTrack -- https://github.com/w3c/ortc/issues/614
if (window.RTCRtpSender && !('replaceTrack' in window.RTCRtpSender.prototype)) {
window.RTCRtpSender.prototype.replaceTrack = window.RTCRtpSender.prototype.setTrack;
}
}
},{"../utils":15,"./filtericeservers":8,"./getdisplaymedia":9,"./getusermedia":10,"rtcpeerconnection-shim":16}],8:[function(require,module,exports){
/*
* Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.filterIceServers = filterIceServers;
var _utils = require('../utils');
var utils = _interopRequireWildcard(_utils);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
// Edge does not like
// 1) stun: filtered after 14393 unless ?transport=udp is present
// 2) turn: that does not have all of turn:host:port?transport=udp
// 3) turn: with ipv6 addresses
// 4) turn: occurring muliple times
function filterIceServers(iceServers, edgeVersion) {
var hasTurn = false;
iceServers = JSON.parse(JSON.stringify(iceServers));
return iceServers.filter(function (server) {
if (server && (server.urls || server.url)) {
var urls = server.urls || server.url;
if (server.url && !server.urls) {
utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');
}
var isString = typeof urls === 'string';
if (isString) {
urls = [urls];
}
urls = urls.filter(function (url) {
// filter STUN unconditionally.
if (url.indexOf('stun:') === 0) {
return false;
}
var validTurn = url.startsWith('turn') && !url.startsWith('turn:[') && url.includes('transport=udp');
if (validTurn && !hasTurn) {
hasTurn = true;
return true;
}
return validTurn && !hasTurn;
});
delete server.url;
server.urls = isString ? urls[0] : urls;
return !!urls.length;
}
});
}
},{"../utils":15}],9:[function(require,module,exports){
/*
* Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.shimGetDisplayMedia = shimGetDisplayMedia;
function shimGetDisplayMedia(window) {
if (!('getDisplayMedia' in window.navigator)) {
return;
}
if (!window.navigator.mediaDevices) {
return;
}
if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {
return;
}
window.navigator.mediaDevices.getDisplayMedia = window.navigator.getDisplayMedia.bind(window.navigator);
}
},{}],10:[function(require,module,exports){
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.shimGetUserMedia = shimGetUserMedia;
function shimGetUserMedia(window) {
var navigator = window && window.navigator;
var shimError_ = function shimError_(e) {
return {
name: { PermissionDeniedError: 'NotAllowedError' }[e.name] || e.name,
message: e.message,
constraint: e.constraint,
toString: function toString() {
return this.name;
}
};
};
// getUserMedia error shim.
var origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);
navigator.mediaDevices.getUserMedia = function (c) {
return origGetUserMedia(c).catch(function (e) {
return Promise.reject(shimError_(e));
});
};
}
},{}],11:[function(require,module,exports){
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined;
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
var _getusermedia = require('./getusermedia');
Object.defineProperty(exports, 'shimGetUserMedia', {
enumerable: true,
get: function get() {
return _getusermedia.shimGetUserMedia;
}
});
var _getdisplaymedia = require('./getdisplaymedia');
Object.defineProperty(exports, 'shimGetDisplayMedia', {
enumerable: true,
get: function get() {
return _getdisplaymedia.shimGetDisplayMedia;
}
});
exports.shimOnTrack = shimOnTrack;
exports.shimPeerConnection = shimPeerConnection;
exports.shimSenderGetStats = shimSenderGetStats;
exports.shimReceiverGetStats = shimReceiverGetStats;
exports.shimRemoveStream = shimRemoveStream;
exports.shimRTCDataChannel = shimRTCDataChannel;
var _utils = require('../utils');
var utils = _interopRequireWildcard(_utils);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function shimOnTrack(window) {
if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCTrackEvent && 'receiver' in window.RTCTrackEvent.prototype && !('transceiver' in window.RTCTrackEvent.prototype)) {
Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
get: function get() {
return { receiver: this.receiver };
}
});
}
}
function shimPeerConnection(window) {
var browserDetails = utils.detectBrowser(window);
if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !(window.RTCPeerConnection || window.mozRTCPeerConnection)) {
return; // probably media.peerconnection.enabled=false in about:config
}
if (!window.RTCPeerConnection && window.mozRTCPeerConnection) {
// very basic support for old versions.
window.RTCPeerConnection = window.mozRTCPeerConnection;
}
// shim away need for obsolete RTCIceCandidate/RTCSessionDescription.
['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'].forEach(function (method) {
var nativeMethod = window.RTCPeerConnection.prototype[method];
window.RTCPeerConnection.prototype[method] = function () {
arguments[0] = new (method === 'addIceCandidate' ? window.RTCIceCandidate : window.RTCSessionDescription)(arguments[0]);
return nativeMethod.apply(this, arguments);
};
});
// support for addIceCandidate(null or undefined)
var nativeAddIceCandidate = window.RTCPeerConnection.prototype.addIceCandidate;
window.RTCPeerConnection.prototype.addIceCandidate = function () {
if (!arguments[0]) {
if (arguments[1]) {
arguments[1].apply(null);
}
return Promise.resolve();
}
return nativeAddIceCandidate.apply(this, arguments);
};
var modernStatsTypes = {
inboundrtp: 'inbound-rtp',
outboundrtp: 'outbound-rtp',
candidatepair: 'candidate-pair',
localcandidate: 'local-candidate',
remotecandidate: 'remote-candidate'
};
var nativeGetStats = window.RTCPeerConnection.prototype.getStats;
window.RTCPeerConnection.prototype.getStats = function (selector, onSucc, onErr) {
return nativeGetStats.apply(this, [selector || null]).then(function (stats) {
if (browserDetails.version < 53 && !onSucc) {
// Shim only promise getStats with spec-hyphens in type names
// Leave callback version alone; misc old uses of forEach before Map
try {
stats.forEach(function (stat) {
stat.type = modernStatsTypes[stat.type] || stat.type;
});
} catch (e) {
if (e.name !== 'TypeError') {
throw e;
}
// Avoid TypeError: "type" is read-only, in old versions. 34-43ish
stats.forEach(function (stat, i) {
stats.set(i, Object.assign({}, stat, {
type: modernStatsTypes[stat.type] || stat.type
}));
});
}
}
return stats;
}).then(onSucc, onErr);
};
}
function shimSenderGetStats(window) {
if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && window.RTCRtpSender)) {
return;
}
if (window.RTCRtpSender && 'getStats' in window.RTCRtpSender.prototype) {
return;
}
var origGetSenders = window.RTCPeerConnection.prototype.getSenders;
if (origGetSenders) {
window.RTCPeerConnection.prototype.getSenders = function () {
var _this = this;
var senders = origGetSenders.apply(this, []);
senders.forEach(function (sender) {
return sender._pc = _this;
});
return senders;
};
}
var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
if (origAddTrack) {
window.RTCPeerConnection.prototype.addTrack = function () {
var sender = origAddTrack.apply(this, arguments);
sender._pc = this;
return sender;
};
}
window.RTCRtpSender.prototype.getStats = function () {
return this.track ? this._pc.getStats(this.track) : Promise.resolve(new Map());
};
}
function shimReceiverGetStats(window) {
if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && window.RTCRtpSender)) {
return;
}
if (window.RTCRtpSender && 'getStats' in window.RTCRtpReceiver.prototype) {
return;
}
var origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;
if (origGetReceivers) {
window.RTCPeerConnection.prototype.getReceivers = function () {
var _this2 = this;
var receivers = origGetReceivers.apply(this, []);
receivers.forEach(function (receiver) {
return receiver._pc = _this2;
});
return receivers;
};
}
utils.wrapPeerConnectionEvent(window, 'track', function (e) {
e.receiver._pc = e.srcElement;
return e;
});
window.RTCRtpReceiver.prototype.getStats = function () {
return this._pc.getStats(this.track);
};
}
function shimRemoveStream(window) {
if (!window.RTCPeerConnection || 'removeStream' in window.RTCPeerConnection.prototype) {
return;
}
window.RTCPeerConnection.prototype.removeStream = function (stream) {
var _this3 = this;
utils.deprecated('removeStream', 'removeTrack');
this.getSenders().forEach(function (sender) {
if (sender.track && stream.getTracks().includes(sender.track)) {
_this3.removeTrack(sender);
}
});
};
}
function shimRTCDataChannel(window) {
// rename DataChannel to RTCDataChannel (native fix in FF60):
// https://bugzilla.mozilla.org/show_bug.cgi?id=1173851
if (window.DataChannel && !window.RTCDataChannel) {
window.RTCDataChannel = window.DataChannel;
}
}
},{"../utils":15,"./getdisplaymedia":12,"./getusermedia":13}],12:[function(require,module,exports){
/*
* Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.shimGetDisplayMedia = shimGetDisplayMedia;
function shimGetDisplayMedia(window, preferredMediaSource) {
if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {
return;
}
if (!window.navigator.mediaDevices) {
return;
}
window.navigator.mediaDevices.getDisplayMedia = function (constraints) {
if (!(constraints && constraints.video)) {
var err = new DOMException('getDisplayMedia without video ' + 'constraints is undefined');
err.name = 'NotFoundError';
// from https://heycam.github.io/webidl/#idl-DOMException-error-names
err.code = 8;
return Promise.reject(err);
}
if (constraints.video === true) {
constraints.video = { mediaSource: preferredMediaSource };
} else {
constraints.video.mediaSource = preferredMediaSource;
}
return window.navigator.mediaDevices.getUserMedia(constraints);
};
}
},{}],13:[function(require,module,exports){
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
exports.shimGetUserMedia = shimGetUserMedia;
var _utils = require('../utils');
var utils = _interopRequireWildcard(_utils);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function shimGetUserMedia(window) {
var browserDetails = utils.detectBrowser(window);
var navigator = window && window.navigator;
var MediaStreamTrack = window && window.MediaStreamTrack;
navigator.getUserMedia = function (constraints, onSuccess, onError) {
// Replace Firefox 44+'s deprecation warning with unprefixed version.
utils.deprecated('navigator.getUserMedia', 'navigator.mediaDevices.getUserMedia');
navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);
};
if (!(browserDetails.version > 55 && 'autoGainControl' in navigator.mediaDevices.getSupportedConstraints())) {
var remap = function remap(obj, a, b) {
if (a in obj && !(b in obj)) {
obj[b] = obj[a];
delete obj[a];
}
};
var nativeGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);
navigator.mediaDevices.getUserMedia = function (c) {
if ((typeof c === 'undefined' ? 'undefined' : _typeof(c)) === 'object' && _typeof(c.audio) === 'object') {
c = JSON.parse(JSON.stringify(c));
remap(c.audio, 'autoGainControl', 'mozAutoGainControl');
remap(c.audio, 'noiseSuppression', 'mozNoiseSuppression');
}
return nativeGetUserMedia(c);
};
if (MediaStreamTrack && MediaStreamTrack.prototype.getSettings) {
var nativeGetSettings = MediaStreamTrack.prototype.getSettings;
MediaStreamTrack.prototype.getSettings = function () {
var obj = nativeGetSettings.apply(this, arguments);
remap(obj, 'mozAutoGainControl', 'autoGainControl');
remap(obj, 'mozNoiseSuppression', 'noiseSuppression');
return obj;
};
}
if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) {
var nativeApplyConstraints = MediaStreamTrack.prototype.applyConstraints;
MediaStreamTrack.prototype.applyConstraints = function (c) {
if (this.kind === 'audio' && (typeof c === 'undefined' ? 'undefined' : _typeof(c)) === 'object') {
c = JSON.parse(JSON.stringify(c));
remap(c, 'autoGainControl', 'mozAutoGainControl');
remap(c, 'noiseSuppression', 'mozNoiseSuppression');
}
return nativeApplyConstraints.apply(this, [c]);
};
}
}
}
},{"../utils":15}],14:[function(require,module,exports){
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
exports.shimLocalStreamsAPI = shimLocalStreamsAPI;
exports.shimRemoteStreamsAPI = shimRemoteStreamsAPI;
exports.shimCallbacksAPI = shimCallbacksAPI;
exports.shimGetUserMedia = shimGetUserMedia;
exports.shimConstraints = shimConstraints;
exports.shimRTCIceServerUrls = shimRTCIceServerUrls;
exports.shimTrackEventTransceiver = shimTrackEventTransceiver;
exports.shimCreateOfferLegacy = shimCreateOfferLegacy;
var _utils = require('../utils');
var utils = _interopRequireWildcard(_utils);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function shimLocalStreamsAPI(window) {
if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) {
return;
}
if (!('getLocalStreams' in window.RTCPeerConnection.prototype)) {
window.RTCPeerConnection.prototype.getLocalStreams = function () {
if (!this._localStreams) {
this._localStreams = [];
}
return this._localStreams;
};
}
if (!('addStream' in window.RTCPeerConnection.prototype)) {
var _addTrack = window.RTCPeerConnection.prototype.addTrack;
window.RTCPeerConnection.prototype.addStream = function (stream) {
var _this = this;
if (!this._localStreams) {
this._localStreams = [];
}
if (!this._localStreams.includes(stream)) {
this._localStreams.push(stream);
}
stream.getTracks().forEach(function (track) {
return _addTrack.call(_this, track, stream);
});
};
window.RTCPeerConnection.prototype.addTrack = function (track, stream) {
if (stream) {
if (!this._localStreams) {
this._localStreams = [stream];
} else if (!this._localStreams.includes(stream)) {
this._localStreams.push(stream);
}
}
return _addTrack.call(this, track, stream);
};
}
if (!('removeStream' in window.RTCPeerConnection.prototype)) {
window.RTCPeerConnection.prototype.removeStream = function (stream) {
var _this2 = this;
if (!this._localStreams) {
this._localStreams = [];
}
var index = this._localStreams.indexOf(stream);
if (index === -1) {
return;
}
this._localStreams.splice(index, 1);
var tracks = stream.getTracks();
this.getSenders().forEach(function (sender) {
if (tracks.includes(sender.track)) {
_this2.removeTrack(sender);
}
});
};
}
}
function shimRemoteStreamsAPI(window) {
if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) {
return;
}
if (!('getRemoteStreams' in window.RTCPeerConnection.prototype)) {
window.RTCPeerConnection.prototype.getRemoteStreams = function () {
return this._remoteStreams ? this._remoteStreams : [];
};
}
if (!('onaddstream' in window.RTCPeerConnection.prototype)) {
Object.defineProperty(window.RTCPeerConnection.prototype, 'onaddstream', {
get: function get() {
return this._onaddstream;
},
set: function set(f) {
var _this3 = this;
if (this._onaddstream) {
this.removeEventListener('addstream', this._onaddstream);
this.removeEventListener('track', this._onaddstreampoly);
}
this.addEventListener('addstream', this._onaddstream = f);
this.addEventListener('track', this._onaddstreampoly = function (e) {
e.streams.forEach(function (stream) {
if (!_this3._remoteStreams) {
_this3._remoteStreams = [];
}
if (_this3._remoteStreams.includes(stream)) {
return;
}
_this3._remoteStreams.push(stream);
var event = new Event('addstream');
event.stream = stream;
_this3.dispatchEvent(event);
});
});
}
});
var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;
window.RTCPeerConnection.prototype.setRemoteDescription = function () {
var pc = this;
if (!this._onaddstreampoly) {
this.addEventListener('track', this._onaddstreampoly = function (e) {
e.streams.forEach(function (stream) {
if (!pc._remoteStreams) {
pc._remoteStreams = [];
}
if (pc._remoteStreams.indexOf(stream) >= 0) {
return;
}
pc._remoteStreams.push(stream);
var event = new Event('addstream');
event.stream = stream;
pc.dispatchEvent(event);
});
});
}
return origSetRemoteDescription.apply(pc, arguments);
};
}
}
function shimCallbacksAPI(window) {
if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) {
return;
}
var prototype = window.RTCPeerConnection.prototype;
var createOffer = prototype.createOffer;
var createAnswer = prototype.createAnswer;
var setLocalDescription = prototype.setLocalDescription;
var setRemoteDescription = prototype.setRemoteDescription;
var addIceCandidate = prototype.addIceCandidate;
prototype.createOffer = function (successCallback, failureCallback) {
var options = arguments.length >= 2 ? arguments[2] : arguments[0];
var promise = createOffer.apply(this, [options]);
if (!failureCallback) {
return promise;
}
promise.then(successCallback, failureCallback);
return Promise.resolve();
};
prototype.createAnswer = function (successCallback, failureCallback) {
var options = arguments.length >= 2 ? arguments[2] : arguments[0];
var promise = createAnswer.apply(this, [options]);
if (!failureCallback) {
return promise;
}
promise.then(successCallback, failureCallback);
return Promise.resolve();
};
var withCallback = function withCallback(description, successCallback, failureCallback) {
var promise = setLocalDescription.apply(this, [description]);
if (!failureCallback) {
return promise;
}
promise.then(successCallback, failureCallback);
return Promise.resolve();
};
prototype.setLocalDescription = withCallback;
withCallback = function withCallback(description, successCallback, failureCallback) {
var promise = setRemoteDescription.apply(this, [description]);
if (!failureCallback) {
return promise;
}
promise.then(successCallback, failureCallback);
return Promise.resolve();
};
prototype.setRemoteDescription = withCallback;
withCallback = function withCallback(candidate, successCallback, failureCallback) {
var promise = addIceCandidate.apply(this, [candidate]);
if (!failureCallback) {
return promise;
}
promise.then(successCallback, failureCallback);
return Promise.resolve();
};
prototype.addIceCandidate = withCallback;
}
function shimGetUserMedia(window) {
var navigator = window && window.navigator;
if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {
// shim not needed in Safari 12.1
var mediaDevices = navigator.mediaDevices;
var _getUserMedia = mediaDevices.getUserMedia.bind(mediaDevices);
navigator.mediaDevices.getUserMedia = function (constraints) {
return _getUserMedia(shimConstraints(constraints));
};
}
if (!navigator.getUserMedia && navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {
navigator.getUserMedia = function (constraints, cb, errcb) {
navigator.mediaDevices.getUserMedia(constraints).then(cb, errcb);
}.bind(navigator);
}
}
function shimConstraints(constraints) {
if (constraints && constraints.video !== undefined) {
return Object.assign({}, constraints, { video: utils.compactObject(constraints.video) });
}
return constraints;
}
function shimRTCIceServerUrls(window) {
// migrate from non-spec RTCIceServer.url to RTCIceServer.urls
var OrigPeerConnection = window.RTCPeerConnection;
window.RTCPeerConnection = function (pcConfig, pcConstraints) {
if (pcConfig && pcConfig.iceServers) {
var newIceServers = [];
for (var i = 0; i < pcConfig.iceServers.length; i++) {
var server = pcConfig.iceServers[i];
if (!server.hasOwnProperty('urls') && server.hasOwnProperty('url')) {
utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');
server = JSON.parse(JSON.stringify(server));
server.urls = server.url;
delete server.url;
newIceServers.push(server);
} else {
newIceServers.push(pcConfig.iceServers[i]);
}
}
pcConfig.iceServers = newIceServers;
}
return new OrigPeerConnection(pcConfig, pcConstraints);
};
window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;
// wrap static methods. Currently just generateCertificate.
if ('generateCertificate' in window.RTCPeerConnection) {
Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
get: function get() {
return OrigPeerConnection.generateCertificate;
}
});
}
}
function shimTrackEventTransceiver(window) {
// Add event.transceiver member over deprecated event.receiver
if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && 'receiver' in window.RTCTrackEvent.prototype &&
// can't check 'transceiver' in window.RTCTrackEvent.prototype, as it is
// defined for some reason even when window.RTCTransceiver is not.
!window.RTCTransceiver) {
Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
get: function get() {
return { receiver: this.receiver };
}
});
}
}
function shimCreateOfferLegacy(window) {
var origCreateOffer = window.RTCPeerConnection.prototype.createOffer;
window.RTCPeerConnection.prototype.createOffer = function (offerOptions) {
if (offerOptions) {
if (typeof offerOptions.offerToReceiveAudio !== 'undefined') {
// support bit values
offerOptions.offerToReceiveAudio = !!offerOptions.offerToReceiveAudio;
}
var audioTransceiver = this.getTransceivers().find(function (transceiver) {
return transceiver.sender.track && transceiver.sender.track.kind === 'audio';
});
if (offerOptions.offerToReceiveAudio === false && audioTransceiver) {
if (audioTransceiver.direction === 'sendrecv') {
if (audioTransceiver.setDirection) {
audioTransceiver.setDirection('sendonly');
} else {
audioTransceiver.direction = 'sendonly';
}
} else if (audioTransceiver.direction === 'recvonly') {
if (audioTransceiver.setDirection) {
audioTransceiver.setDirection('inactive');
} else {
audioTransceiver.direction = 'inactive';
}
}
} else if (offerOptions.offerToReceiveAudio === true && !audioTransceiver) {
this.addTransceiver('audio');
}
if (typeof offerOptions.offerToReceiveVideo !== 'undefined') {
// support bit values
offerOptions.offerToReceiveVideo = !!offerOptions.offerToReceiveVideo;
}
var videoTransceiver = this.getTransceivers().find(function (transceiver) {
return transceiver.sender.track && transceiver.sender.track.kind === 'video';
});
if (offerOptions.offerToReceiveVideo === false && videoTransceiver) {
if (videoTransceiver.direction === 'sendrecv') {
if (videoTransceiver.setDirection) {
videoTransceiver.setDirection('sendonly');
} else {
videoTransceiver.direction = 'sendonly';
}
} else if (videoTransceiver.direction === 'recvonly') {
if (videoTransceiver.setDirection) {
videoTransceiver.setDirection('inactive');
} else {
videoTransceiver.direction = 'inactive';
}
}
} else if (offerOptions.offerToReceiveVideo === true && !videoTransceiver) {
this.addTransceiver('video');
}
}
return origCreateOffer.apply(this, arguments);
};
}
},{"../utils":15}],15:[function(require,module,exports){
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
exports.extractVersion = extractVersion;
exports.wrapPeerConnectionEvent = wrapPeerConnectionEvent;
exports.disableLog = disableLog;
exports.disableWarnings = disableWarnings;
exports.log = log;
exports.deprecated = deprecated;
exports.detectBrowser = detectBrowser;
exports.compactObject = compactObject;
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
var logDisabled_ = true;
var deprecationWarnings_ = true;
/**
* Extract browser version out of the provided user agent string.
*
* @param {!string} uastring userAgent string.
* @param {!string} expr Regular expression used as match criteria.
* @param {!number} pos position in the version string to be returned.
* @return {!number} browser version.
*/
function extractVersion(uastring, expr, pos) {
var match = uastring.match(expr);
return match && match.length >= pos && parseInt(match[pos], 10);
}
// Wraps the peerconnection event eventNameToWrap in a function
// which returns the modified event object (or false to prevent
// the event).
function wrapPeerConnectionEvent(window, eventNameToWrap, wrapper) {
if (!window.RTCPeerConnection) {
return;
}
var proto = window.RTCPeerConnection.prototype;
var nativeAddEventListener = proto.addEventListener;
proto.addEventListener = function (nativeEventName, cb) {
if (nativeEventName !== eventNameToWrap) {
return nativeAddEventListener.apply(this, arguments);
}
var wrappedCallback = function wrappedCallback(e) {
var modifiedEvent = wrapper(e);
if (modifiedEvent) {
cb(modifiedEvent);
}
};
this._eventMap = this._eventMap || {};
this._eventMap[cb] = wrappedCallback;
return nativeAddEventListener.apply(this, [nativeEventName, wrappedCallback]);
};
var nativeRemoveEventListener = proto.removeEventListener;
proto.removeEventListener = function (nativeEventName, cb) {
if (nativeEventName !== eventNameToWrap || !this._eventMap || !this._eventMap[cb]) {
return nativeRemoveEventListener.apply(this, arguments);
}
var unwrappedCb = this._eventMap[cb];
delete this._eventMap[cb];
return nativeRemoveEventListener.apply(this, [nativeEventName, unwrappedCb]);
};
Object.defineProperty(proto, 'on' + eventNameToWrap, {
get: function get() {
return this['_on' + eventNameToWrap];
},
set: function set(cb) {
if (this['_on' + eventNameToWrap]) {
this.removeEventListener(eventNameToWrap, this['_on' + eventNameToWrap]);
delete this['_on' + eventNameToWrap];
}
if (cb) {
this.addEventListener(eventNameToWrap, this['_on' + eventNameToWrap] = cb);
}
},
enumerable: true,
configurable: true
});
}
function disableLog(bool) {
if (typeof bool !== 'boolean') {
return new Error('Argument type: ' + (typeof bool === 'undefined' ? 'undefined' : _typeof(bool)) + '. Please use a boolean.');
}
logDisabled_ = bool;
return bool ? 'adapter.js logging disabled' : 'adapter.js logging enabled';
}
/**
* Disable or enable deprecation warnings
* @param {!boolean} bool set to true to disable warnings.
*/
function disableWarnings(bool) {
if (typeof bool !== 'boolean') {
return new Error('Argument type: ' + (typeof bool === 'undefined' ? 'undefined' : _typeof(bool)) + '. Please use a boolean.');
}
deprecationWarnings_ = !bool;
return 'adapter.js deprecation warnings ' + (bool ? 'disabled' : 'enabled');
}
function log() {
if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object') {
if (logDisabled_) {
return;
}
if (typeof console !== 'undefined' && typeof console.log === 'function') {
console.log.apply(console, arguments);
}
}
}
/**
* Shows a deprecation warning suggesting the modern and spec-compatible API.
*/
function deprecated(oldMethod, newMethod) {
if (!deprecationWarnings_) {
return;
}
console.warn(oldMethod + ' is deprecated, please use ' + newMethod + ' instead.');
}
/**
* Browser detector.
*
* @return {object} result containing browser and version
* properties.
*/
function detectBrowser(window) {
var navigator = window.navigator;
// Returned result object.
var result = { browser: null, version: null };
// Fail early if it's not a browser
if (typeof window === 'undefined' || !window.navigator) {
result.browser = 'Not a browser.';
return result;
}
if (navigator.mozGetUserMedia) {
// Firefox.
result.browser = 'firefox';
result.version = extractVersion(navigator.userAgent, /Firefox\/(\d+)\./, 1);
} else if (navigator.webkitGetUserMedia) {
// Chrome, Chromium, Webview, Opera.
// Version matches Chrome/WebRTC version.
result.browser = 'chrome';
result.version = extractVersion(navigator.userAgent, /Chrom(e|ium)\/(\d+)\./, 2);
} else if (navigator.mediaDevices && navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)) {
// Edge.
result.browser = 'edge';
result.version = extractVersion(navigator.userAgent, /Edge\/(\d+).(\d+)$/, 2);
} else if (window.RTCPeerConnection && navigator.userAgent.match(/AppleWebKit\/(\d+)\./)) {
// Safari.
result.browser = 'safari';
result.version = extractVersion(navigator.userAgent, /AppleWebKit\/(\d+)\./, 1);
} else {
// Default fallthrough: not supported.
result.browser = 'Not a supported browser.';
return result;
}
return result;
}
/**
* Remove all empty objects and undefined values
* from a nested object -- an enhanced and vanilla version
* of Lodash's `compact`.
*/
function compactObject(data) {
if ((typeof data === 'undefined' ? 'undefined' : _typeof(data)) !== 'object') {
return data;
}
return Object.keys(data).reduce(function (accumulator, key) {
var isObject = _typeof(data[key]) === 'object';
var value = isObject ? compactObject(data[key]) : data[key];
var isEmptyObject = isObject && !Object.keys(value).length;
if (value === undefined || isEmptyObject) {
return accumulator;
}
return Object.assign(accumulator, _defineProperty({}, key, value));
}, {});
}
},{}],16:[function(require,module,exports){
/*
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
var SDPUtils = require('sdp');
function fixStatsType(stat) {
return {
inboundrtp: 'inbound-rtp',
outboundrtp: 'outbound-rtp',
candidatepair: 'candidate-pair',
localcandidate: 'local-candidate',
remotecandidate: 'remote-candidate'
}[stat.type] || stat.type;
}
function writeMediaSection(transceiver, caps, type, stream, dtlsRole) {
var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps);
// Map ICE parameters (ufrag, pwd) to SDP.
sdp += SDPUtils.writeIceParameters(
transceiver.iceGatherer.getLocalParameters());
// Map DTLS parameters to SDP.
sdp += SDPUtils.writeDtlsParameters(
transceiver.dtlsTransport.getLocalParameters(),
type === 'offer' ? 'actpass' : dtlsRole || 'active');
sdp += 'a=mid:' + transceiver.mid + '\r\n';
if (transceiver.rtpSender && transceiver.rtpReceiver) {
sdp += 'a=sendrecv\r\n';
} else if (transceiver.rtpSender) {
sdp += 'a=sendonly\r\n';
} else if (transceiver.rtpReceiver) {
sdp += 'a=recvonly\r\n';
} else {
sdp += 'a=inactive\r\n';
}
if (transceiver.rtpSender) {
var trackId = transceiver.rtpSender._initialTrackId ||
transceiver.rtpSender.track.id;
transceiver.rtpSender._initialTrackId = trackId;
// spec.
var msid = 'msid:' + (stream ? stream.id : '-') + ' ' +
trackId + '\r\n';
sdp += 'a=' + msid;
// for Chrome. Legacy should no longer be required.
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
' ' + msid;
// RTX
if (transceiver.sendEncodingParameters[0].rtx) {
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
' ' + msid;
sdp += 'a=ssrc-group:FID ' +
transceiver.sendEncodingParameters[0].ssrc + ' ' +
transceiver.sendEncodingParameters[0].rtx.ssrc +
'\r\n';
}
}
// FIXME: this should be written by writeRtpDescription.
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
' cname:' + SDPUtils.localCName + '\r\n';
if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
' cname:' + SDPUtils.localCName + '\r\n';
}
return sdp;
}
// Edge does not like
// 1) stun: filtered after 14393 unless ?transport=udp is present
// 2) turn: that does not have all of turn:host:port?transport=udp
// 3) turn: with ipv6 addresses
// 4) turn: occurring muliple times
function filterIceServers(iceServers, edgeVersion) {
var hasTurn = false;
iceServers = JSON.parse(JSON.stringify(iceServers));
return iceServers.filter(function(server) {
if (server && (server.urls || server.url)) {
var urls = server.urls || server.url;
if (server.url && !server.urls) {
console.warn('RTCIceServer.url is deprecated! Use urls instead.');
}
var isString = typeof urls === 'string';
if (isString) {
urls = [urls];
}
urls = urls.filter(function(url) {
var validTurn = url.indexOf('turn:') === 0 &&
url.indexOf('transport=udp') !== -1 &&
url.indexOf('turn:[') === -1 &&
!hasTurn;
if (validTurn) {
hasTurn = true;
return true;
}
return url.indexOf('stun:') === 0 && edgeVersion >= 14393 &&
url.indexOf('?transport=udp') === -1;
});
delete server.url;
server.urls = isString ? urls[0] : urls;
return !!urls.length;
}
});
}
// Determines the intersection of local and remote capabilities.
function getCommonCapabilities(localCapabilities, remoteCapabilities) {
var commonCapabilities = {
codecs: [],
headerExtensions: [],
fecMechanisms: []
};
var findCodecByPayloadType = function(pt, codecs) {
pt = parseInt(pt, 10);
for (var i = 0; i < codecs.length; i++) {
if (codecs[i].payloadType === pt ||
codecs[i].preferredPayloadType === pt) {
return codecs[i];
}
}
};
var rtxCapabilityMatches = function(lRtx, rRtx, lCodecs, rCodecs) {
var lCodec = findCodecByPayloadType(lRtx.parameters.apt, lCodecs);
var rCodec = findCodecByPayloadType(rRtx.parameters.apt, rCodecs);
return lCodec && rCodec &&
lCodec.name.toLowerCase() === rCodec.name.toLowerCase();
};
localCapabilities.codecs.forEach(function(lCodec) {
for (var i = 0; i < remoteCapabilities.codecs.length; i++) {
var rCodec = remoteCapabilities.codecs[i];
if (lCodec.name.toLowerCase() === rCodec.name.toLowerCase() &&
lCodec.clockRate === rCodec.clockRate) {
if (lCodec.name.toLowerCase() === 'rtx' &&
lCodec.parameters && rCodec.parameters.apt) {
// for RTX we need to find the local rtx that has a apt
// which points to the same local codec as the remote one.
if (!rtxCapabilityMatches(lCodec, rCodec,
localCapabilities.codecs, remoteCapabilities.codecs)) {
continue;
}
}
rCodec = JSON.parse(JSON.stringify(rCodec)); // deepcopy
// number of channels is the highest common number of channels
rCodec.numChannels = Math.min(lCodec.numChannels,
rCodec.numChannels);
// push rCodec so we reply with offerer payload type
commonCapabilities.codecs.push(rCodec);
// determine common feedback mechanisms
rCodec.rtcpFeedback = rCodec.rtcpFeedback.filter(function(fb) {
for (var j = 0; j < lCodec.rtcpFeedback.length; j++) {
if (lCodec.rtcpFeedback[j].type === fb.type &&
lCodec.rtcpFeedback[j].parameter === fb.parameter) {
return true;
}
}
return false;
});
// FIXME: also need to determine .parameters
// see https://github.com/openpeer/ortc/issues/569
break;
}
}
});
localCapabilities.headerExtensions.forEach(function(lHeaderExtension) {
for (var i = 0; i < remoteCapabilities.headerExtensions.length;
i++) {
var rHeaderExtension = remoteCapabilities.headerExtensions[i];
if (lHeaderExtension.uri === rHeaderExtension.uri) {
commonCapabilities.headerExtensions.push(rHeaderExtension);
break;
}
}
});
// FIXME: fecMechanisms
return commonCapabilities;
}
// is action=setLocalDescription with type allowed in signalingState
function isActionAllowedInSignalingState(action, type, signalingState) {
return {
offer: {
setLocalDescription: ['stable', 'have-local-offer'],
setRemoteDescription: ['stable', 'have-remote-offer']
},
answer: {
setLocalDescription: ['have-remote-offer', 'have-local-pranswer'],
setRemoteDescription: ['have-local-offer', 'have-remote-pranswer']
}
}[type][action].indexOf(signalingState) !== -1;
}
function maybeAddCandidate(iceTransport, candidate) {
// Edge's internal representation adds some fields therefore
// not all fieldŅ are taken into account.
var alreadyAdded = iceTransport.getRemoteCandidates()
.find(function(remoteCandidate) {
return candidate.foundation === remoteCandidate.foundation &&
candidate.ip === remoteCandidate.ip &&
candidate.port === remoteCandidate.port &&
candidate.priority === remoteCandidate.priority &&
candidate.protocol === remoteCandidate.protocol &&
candidate.type === remoteCandidate.type;
});
if (!alreadyAdded) {
iceTransport.addRemoteCandidate(candidate);
}
return !alreadyAdded;
}
function makeError(name, description) {
var e = new Error(description);
e.name = name;
// legacy error codes from https://heycam.github.io/webidl/#idl-DOMException-error-names
e.code = {
NotSupportedError: 9,
InvalidStateError: 11,
InvalidAccessError: 15,
TypeError: undefined,
OperationError: undefined
}[name];
return e;
}
module.exports = function(window, edgeVersion) {
// https://w3c.github.io/mediacapture-main/#mediastream
// Helper function to add the track to the stream and
// dispatch the event ourselves.
function addTrackToStreamAndFireEvent(track, stream) {
stream.addTrack(track);
stream.dispatchEvent(new window.MediaStreamTrackEvent('addtrack',
{track: track}));
}
function removeTrackFromStreamAndFireEvent(track, stream) {
stream.removeTrack(track);
stream.dispatchEvent(new window.MediaStreamTrackEvent('removetrack',
{track: track}));
}
function fireAddTrack(pc, track, receiver, streams) {
var trackEvent = new Event('track');
trackEvent.track = track;
trackEvent.receiver = receiver;
trackEvent.transceiver = {receiver: receiver};
trackEvent.streams = streams;
window.setTimeout(function() {
pc._dispatchEvent('track', trackEvent);
});
}
var RTCPeerConnection = function(config) {
var pc = this;
var _eventTarget = document.createDocumentFragment();
['addEventListener', 'removeEventListener', 'dispatchEvent']
.forEach(function(method) {
pc[method] = _eventTarget[method].bind(_eventTarget);
});
this.canTrickleIceCandidates = null;
this.needNegotiation = false;
this.localStreams = [];
this.remoteStreams = [];
this._localDescription = null;
this._remoteDescription = null;
this.signalingState = 'stable';
this.iceConnectionState = 'new';
this.connectionState = 'new';
this.iceGatheringState = 'new';
config = JSON.parse(JSON.stringify(config || {}));
this.usingBundle = config.bundlePolicy === 'max-bundle';
if (config.rtcpMuxPolicy === 'negotiate') {
throw(makeError('NotSupportedError',
'rtcpMuxPolicy \'negotiate\' is not supported'));
} else if (!config.rtcpMuxPolicy) {
config.rtcpMuxPolicy = 'require';
}
switch (config.iceTransportPolicy) {
case 'all':
case 'relay':
break;
default:
config.iceTransportPolicy = 'all';
break;
}
switch (config.bundlePolicy) {
case 'balanced':
case 'max-compat':
case 'max-bundle':
break;
default:
config.bundlePolicy = 'balanced';
break;
}
config.iceServers = filterIceServers(config.iceServers || [], edgeVersion);
this._iceGatherers = [];
if (config.iceCandidatePoolSize) {
for (var i = config.iceCandidatePoolSize; i > 0; i--) {
this._iceGatherers.push(new window.RTCIceGatherer({
iceServers: config.iceServers,
gatherPolicy: config.iceTransportPolicy
}));
}
} else {
config.iceCandidatePoolSize = 0;
}
this._config = config;
// per-track iceGathers, iceTransports, dtlsTransports, rtpSenders, ...
// everything that is needed to describe a SDP m-line.
this.transceivers = [];
this._sdpSessionId = SDPUtils.generateSessionId();
this._sdpSessionVersion = 0;
this._dtlsRole = undefined; // role for a=setup to use in answers.
this._isClosed = false;
};
Object.defineProperty(RTCPeerConnection.prototype, 'localDescription', {
configurable: true,
get: function() {
return this._localDescription;
}
});
Object.defineProperty(RTCPeerConnection.prototype, 'remoteDescription', {
configurable: true,
get: function() {
return this._remoteDescription;
}
});
// set up event handlers on prototype
RTCPeerConnection.prototype.onicecandidate = null;
RTCPeerConnection.prototype.onaddstream = null;
RTCPeerConnection.prototype.ontrack = null;
RTCPeerConnection.prototype.onremovestream = null;
RTCPeerConnection.prototype.onsignalingstatechange = null;
RTCPeerConnection.prototype.oniceconnectionstatechange = null;
RTCPeerConnection.prototype.onconnectionstatechange = null;
RTCPeerConnection.prototype.onicegatheringstatechange = null;
RTCPeerConnection.prototype.onnegotiationneeded = null;
RTCPeerConnection.prototype.ondatachannel = null;
RTCPeerConnection.prototype._dispatchEvent = function(name, event) {
if (this._isClosed) {
return;
}
this.dispatchEvent(event);
if (typeof this['on' + name] === 'function') {
this['on' + name](event);
}
};
RTCPeerConnection.prototype._emitGatheringStateChange = function() {
var event = new Event('icegatheringstatechange');
this._dispatchEvent('icegatheringstatechange', event);
};
RTCPeerConnection.prototype.getConfiguration = function() {
return this._config;
};
RTCPeerConnection.prototype.getLocalStreams = function() {
return this.localStreams;
};
RTCPeerConnection.prototype.getRemoteStreams = function() {
return this.remoteStreams;
};
// internal helper to create a transceiver object.
// (which is not yet the same as the WebRTC 1.0 transceiver)
RTCPeerConnection.prototype._createTransceiver = function(kind, doNotAdd) {
var hasBundleTransport = this.transceivers.length > 0;
var transceiver = {
track: null,
iceGatherer: null,
iceTransport: null,
dtlsTransport: null,
localCapabilities: null,
remoteCapabilities: null,
rtpSender: null,
rtpReceiver: null,
kind: kind,
mid: null,
sendEncodingParameters: null,
recvEncodingParameters: null,
stream: null,
associatedRemoteMediaStreams: [],
wantReceive: true
};
if (this.usingBundle && hasBundleTransport) {
transceiver.iceTransport = this.transceivers[0].iceTransport;
transceiver.dtlsTransport = this.transceivers[0].dtlsTransport;
} else {
var transports = this._createIceAndDtlsTransports();
transceiver.iceTransport = transports.iceTransport;
transceiver.dtlsTransport = transports.dtlsTransport;
}
if (!doNotAdd) {
this.transceivers.push(transceiver);
}
return transceiver;
};
RTCPeerConnection.prototype.addTrack = function(track, stream) {
if (this._isClosed) {
throw makeError('InvalidStateError',
'Attempted to call addTrack on a closed peerconnection.');
}
var alreadyExists = this.transceivers.find(function(s) {
return s.track === track;
});
if (alreadyExists) {
throw makeError('InvalidAccessError', 'Track already exists.');
}
var transceiver;
for (var i = 0; i < this.transceivers.length; i++) {
if (!this.transceivers[i].track &&
this.transceivers[i].kind === track.kind) {
transceiver = this.transceivers[i];
}
}
if (!transceiver) {
transceiver = this._createTransceiver(track.kind);
}
this._maybeFireNegotiationNeeded();
if (this.localStreams.indexOf(stream) === -1) {
this.localStreams.push(stream);
}
transceiver.track = track;
transceiver.stream = stream;
transceiver.rtpSender = new window.RTCRtpSender(track,
transceiver.dtlsTransport);
return transceiver.rtpSender;
};
RTCPeerConnection.prototype.addStream = function(stream) {
var pc = this;
if (edgeVersion >= 15025) {
stream.getTracks().forEach(function(track) {
pc.addTrack(track, stream);
});
} else {
// Clone is necessary for local demos mostly, attaching directly
// to two different senders does not work (build 10547).
// Fixed in 15025 (or earlier)
var clonedStream = stream.clone();
stream.getTracks().forEach(function(track, idx) {
var clonedTrack = clonedStream.getTracks()[idx];
track.addEventListener('enabled', function(event) {
clonedTrack.enabled = event.enabled;
});
});
clonedStream.getTracks().forEach(function(track) {
pc.addTrack(track, clonedStream);
});
}
};
RTCPeerConnection.prototype.removeTrack = function(sender) {
if (this._isClosed) {
throw makeError('InvalidStateError',
'Attempted to call removeTrack on a closed peerconnection.');
}
if (!(sender instanceof window.RTCRtpSender)) {
throw new TypeError('Argument 1 of RTCPeerConnection.removeTrack ' +
'does not implement interface RTCRtpSender.');
}
var transceiver = this.transceivers.find(function(t) {
return t.rtpSender === sender;
});
if (!transceiver) {
throw makeError('InvalidAccessError',
'Sender was not created by this connection.');
}
var stream = transceiver.stream;
transceiver.rtpSender.stop();
transceiver.rtpSender = null;
transceiver.track = null;
transceiver.stream = null;
// remove the stream from the set of local streams
var localStreams = this.transceivers.map(function(t) {
return t.stream;
});
if (localStreams.indexOf(stream) === -1 &&
this.localStreams.indexOf(stream) > -1) {
this.localStreams.splice(this.localStreams.indexOf(stream), 1);
}
this._maybeFireNegotiationNeeded();
};
RTCPeerConnection.prototype.removeStream = function(stream) {
var pc = this;
stream.getTracks().forEach(function(track) {
var sender = pc.getSenders().find(function(s) {
return s.track === track;
});
if (sender) {
pc.removeTrack(sender);
}
});
};
RTCPeerConnection.prototype.getSenders = function() {
return this.transceivers.filter(function(transceiver) {
return !!transceiver.rtpSender;
})
.map(function(transceiver) {
return transceiver.rtpSender;
});
};
RTCPeerConnection.prototype.getReceivers = function() {
return this.transceivers.filter(function(transceiver) {
return !!transceiver.rtpReceiver;
})
.map(function(transceiver) {
return transceiver.rtpReceiver;
});
};
RTCPeerConnection.prototype._createIceGatherer = function(sdpMLineIndex,
usingBundle) {
var pc = this;
if (usingBundle && sdpMLineIndex > 0) {
return this.transceivers[0].iceGatherer;
} else if (this._iceGatherers.length) {
return this._iceGatherers.shift();
}
var iceGatherer = new window.RTCIceGatherer({
iceServers: this._config.iceServers,
gatherPolicy: this._config.iceTransportPolicy
});
Object.defineProperty(iceGatherer, 'state',
{value: 'new', writable: true}
);
this.transceivers[sdpMLineIndex].bufferedCandidateEvents = [];
this.transceivers[sdpMLineIndex].bufferCandidates = function(event) {
var end = !event.candidate || Object.keys(event.candidate).length === 0;
// polyfill since RTCIceGatherer.state is not implemented in
// Edge 10547 yet.
iceGatherer.state = end ? 'completed' : 'gathering';
if (pc.transceivers[sdpMLineIndex].bufferedCandidateEvents !== null) {
pc.transceivers[sdpMLineIndex].bufferedCandidateEvents.push(event);
}
};
iceGatherer.addEventListener('localcandidate',
this.transceivers[sdpMLineIndex].bufferCandidates);
return iceGatherer;
};
// start gathering from an RTCIceGatherer.
RTCPeerConnection.prototype._gather = function(mid, sdpMLineIndex) {
var pc = this;
var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;
if (iceGatherer.onlocalcandidate) {
return;
}
var bufferedCandidateEvents =
this.transceivers[sdpMLineIndex].bufferedCandidateEvents;
this.transceivers[sdpMLineIndex].bufferedCandidateEvents = null;
iceGatherer.removeEventListener('localcandidate',
this.transceivers[sdpMLineIndex].bufferCandidates);
iceGatherer.onlocalcandidate = function(evt) {
if (pc.usingBundle && sdpMLineIndex > 0) {
// if we know that we use bundle we can drop candidates with
// ŅdpMLineIndex > 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 RTCIceCandidateCompleteâĨ
var end = !cand || Object.keys(cand).length === 0;
if (end) {
// polyfill since RTCIceGatherer.state is not implemented in
// Edge 10547 yet.
if (iceGatherer.state === 'new' || iceGatherer.state === 'gathering') {
iceGatherer.state = 'completed';
}
} else {
if (iceGatherer.state === 'new') {
iceGatherer.state = 'gathering';
}
// RTCIceCandidate doesn't have a component, needs to be added
cand.component = 1;
// also the usernameFragment. TODO: update SDP to take both variants.
cand.ufrag = iceGatherer.getLocalParameters().usernameFragment;
var serializedCandidate = SDPUtils.writeCandidate(cand);
event.candidate = Object.assign(event.candidate,
SDPUtils.parseCandidate(serializedCandidate));
event.candidate.candidate = serializedCandidate;
event.candidate.toJSON = function() {
return {
candidate: event.candidate.candidate,
sdpMid: event.candidate.sdpMid,
sdpMLineIndex: event.candidate.sdpMLineIndex,
usernameFragment: event.candidate.usernameFragment
};
};
}
// update local description.
var sections = SDPUtils.getMediaSections(pc._localDescription.sdp);
if (!end) {
sections[event.candidate.sdpMLineIndex] +=
'a=' + event.candidate.candidate + '\r\n';
} else {
sections[event.candidate.sdpMLineIndex] +=
'a=end-of-candidates\r\n';
}
pc._localDescription.sdp =
SDPUtils.getDescription(pc._localDescription.sdp) +
sections.join('');
var complete = pc.transceivers.every(function(transceiver) {
return transceiver.iceGatherer &&
transceiver.iceGatherer.state === 'completed';
});
if (pc.iceGatheringState !== 'gathering') {
pc.iceGatheringState = 'gathering';
pc._emitGatheringStateChange();
}
// Emit candidate. Also emit null candidate when all gatherers are
// complete.
if (!end) {
pc._dispatchEvent('icecandidate', event);
}
if (complete) {
pc._dispatchEvent('icecandidate', new Event('icecandidate'));
pc.iceGatheringState = 'complete';
pc._emitGatheringStateChange();
}
};
// emit already gathered candidates.
window.setTimeout(function() {
bufferedCandidateEvents.forEach(function(e) {
iceGatherer.onlocalcandidate(e);
});
}, 0);
};
// Create ICE transport and DTLS transport.
RTCPeerConnection.prototype._createIceAndDtlsTransports = function() {
var pc = this;
var iceTransport = new window.RTCIceTransport(null);
iceTransport.onicestatechange = function() {
pc._updateIceConnectionState();
pc._updateConnectionState();
};
var dtlsTransport = new window.RTCDtlsTransport(iceTransport);
dtlsTransport.ondtlsstatechange = function() {
pc._updateConnectionState();
};
dtlsTransport.onerror = function() {
// onerror does not set state to failed by itself.
Object.defineProperty(dtlsTransport, 'state',
{value: 'failed', writable: true});
pc._updateConnectionState();
};
return {
iceTransport: iceTransport,
dtlsTransport: dtlsTransport
};
};
// Destroy ICE gatherer, ICE transport and DTLS transport.
// Without triggering the callbacks.
RTCPeerConnection.prototype._disposeIceAndDtlsTransports = function(
sdpMLineIndex) {
var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;
if (iceGatherer) {
delete iceGatherer.onlocalcandidate;
delete this.transceivers[sdpMLineIndex].iceGatherer;
}
var iceTransport = this.transceivers[sdpMLineIndex].iceTransport;
if (iceTransport) {
delete iceTransport.onicestatechange;
delete this.transceivers[sdpMLineIndex].iceTransport;
}
var dtlsTransport = this.transceivers[sdpMLineIndex].dtlsTransport;
if (dtlsTransport) {
delete dtlsTransport.ondtlsstatechange;
delete dtlsTransport.onerror;
delete this.transceivers[sdpMLineIndex].dtlsTransport;
}
};
// Start the RTP Sender and Receiver for a transceiver.
RTCPeerConnection.prototype._transceive = function(transceiver,
send, recv) {
var params = getCommonCapabilities(transceiver.localCapabilities,
transceiver.remoteCapabilities);
if (send && transceiver.rtpSender) {
params.encodings = transceiver.sendEncodingParameters;
params.rtcp = {
cname: SDPUtils.localCName,
compound: transceiver.rtcpParameters.compound
};
if (transceiver.recvEncodingParameters.length) {
params.rtcp.ssrc = transceiver.recvEncodingParameters[0].ssrc;
}
transceiver.rtpSender.send(params);
}
if (recv && transceiver.rtpReceiver && params.codecs.length > 0) {
// remove RTX field in Edge 14942
if (transceiver.kind === 'video'
&& transceiver.recvEncodingParameters
&& edgeVersion < 15019) {
transceiver.recvEncodingParameters.forEach(function(p) {
delete p.rtx;
});
}
if (transceiver.recvEncodingParameters.length) {
params.encodings = transceiver.recvEncodingParameters;
} else {
params.encodings = [{}];
}
params.rtcp = {
compound: transceiver.rtcpParameters.compound
};
if (transceiver.rtcpParameters.cname) {
params.rtcp.cname = transceiver.rtcpParameters.cname;
}
if (transceiver.sendEncodingParameters.length) {
params.rtcp.ssrc = transceiver.sendEncodingParameters[0].ssrc;
}
transceiver.rtpReceiver.receive(params);
}
};
RTCPeerConnection.prototype.setLocalDescription = function(description) {
var pc = this;
// Note: pranswer is not supported.
if (['offer', 'answer'].indexOf(description.type) === -1) {
return Promise.reject(makeError('TypeError',
'Unsupported type "' + description.type + '"'));
}
if (!isActionAllowedInSignalingState('setLocalDescription',
description.type, pc.signalingState) || pc._isClosed) {
return Promise.reject(makeError('InvalidStateError',
'Can not set local ' + description.type +
' in state ' + pc.signalingState));
}
var sections;
var sessionpart;
if (description.type === 'offer') {
// VERY limited support for SDP munging. Limited to:
// * changing the order of codecs
sections = SDPUtils.splitSections(description.sdp);
sessionpart = sections.shift();
sections.forEach(function(mediaSection, sdpMLineIndex) {
var caps = SDPUtils.parseRtpParameters(mediaSection);
pc.transceivers[sdpMLineIndex].localCapabilities = caps;
});
pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {
pc._gather(transceiver.mid, sdpMLineIndex);
});
} else if (description.type === 'answer') {
sections = SDPUtils.splitSections(pc._remoteDescription.sdp);
sessionpart = sections.shift();
var isIceLite = SDPUtils.matchPrefix(sessionpart,
'a=ice-lite').length > 0;
sections.forEach(function(mediaSection, sdpMLineIndex) {
var transceiver = pc.transceivers[sdpMLineIndex];
var iceGatherer = transceiver.iceGatherer;
var iceTransport = transceiver.iceTransport;
var dtlsTransport = transceiver.dtlsTransport;
var localCapabilities = transceiver.localCapabilities;
var remoteCapabilities = transceiver.remoteCapabilities;
// treat bundle-only as not-rejected.
var rejected = SDPUtils.isRejected(mediaSection) &&
SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;
if (!rejected && !transceiver.rejected) {
var remoteIceParameters = SDPUtils.getIceParameters(
mediaSection, sessionpart);
var remoteDtlsParameters = SDPUtils.getDtlsParameters(
mediaSection, sessionpart);
if (isIceLite) {
remoteDtlsParameters.role = 'server';
}
if (!pc.usingBundle || sdpMLineIndex === 0) {
pc._gather(transceiver.mid, sdpMLineIndex);
if (iceTransport.state === 'new') {
iceTransport.start(iceGatherer, remoteIceParameters,
isIceLite ? 'controlling' : 'controlled');
}
if (dtlsTransport.state === 'new') {
dtlsTransport.start(remoteDtlsParameters);
}
}
// Calculate intersection of capabilities.
var params = getCommonCapabilities(localCapabilities,
remoteCapabilities);
// Start the RTCRtpSender. The RTCRtpReceiver for this
// transceiver has already been started in setRemoteDescription.
pc._transceive(transceiver,
params.codecs.length > 0,
false);
}
});
}
pc._localDescription = {
type: description.type,
sdp: description.sdp
};
if (description.type === 'offer') {
pc._updateSignalingState('have-local-offer');
} else {
pc._updateSignalingState('stable');
}
return Promise.resolve();
};
RTCPeerConnection.prototype.setRemoteDescription = function(description) {
var pc = this;
// Note: pranswer is not supported.
if (['offer', 'answer'].indexOf(description.type) === -1) {
return Promise.reject(makeError('TypeError',
'Unsupported type "' + description.type + '"'));
}
if (!isActionAllowedInSignalingState('setRemoteDescription',
description.type, pc.signalingState) || pc._isClosed) {
return Promise.reject(makeError('InvalidStateError',
'Can not set remote ' + description.type +
' in state ' + pc.signalingState));
}
var streams = {};
pc.remoteStreams.forEach(function(stream) {
streams[stream.id] = stream;
});
var receiverList = [];
var sections = SDPUtils.splitSections(description.sdp);
var sessionpart = sections.shift();
var isIceLite = SDPUtils.matchPrefix(sessionpart,
'a=ice-lite').length > 0;
var usingBundle = SDPUtils.matchPrefix(sessionpart,
'a=group:BUNDLE ').length > 0;
pc.usingBundle = usingBundle;
var iceOptions = SDPUtils.matchPrefix(sessionpart,
'a=ice-options:')[0];
if (iceOptions) {
pc.canTrickleIceCandidates = iceOptions.substr(14).split(' ')
.indexOf('trickle') >= 0;
} else {
pc.canTrickleIceCandidates = false;
}
sections.forEach(function(mediaSection, sdpMLineIndex) {
var lines = SDPUtils.splitLines(mediaSection);
var kind = SDPUtils.getKind(mediaSection);
// treat bundle-only as not-rejected.
var rejected = SDPUtils.isRejected(mediaSection) &&
SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;
var protocol = lines[0].substr(2).split(' ')[2];
var direction = SDPUtils.getDirection(mediaSection, sessionpart);
var remoteMsid = SDPUtils.parseMsid(mediaSection);
var mid = SDPUtils.getMid(mediaSection) || SDPUtils.generateIdentifier();
// Reject datachannels which are not implemented yet.
if (rejected || (kind === 'application' && (protocol === 'DTLS/SCTP' ||
protocol === 'UDP/DTLS/SCTP'))) {
// TODO: this is dangerous in the case where a non-rejected m-line
// becomes rejected.
pc.transceivers[sdpMLineIndex] = {
mid: mid,
kind: kind,
protocol: protocol,
rejected: true
};
return;
}
if (!rejected && pc.transceivers[sdpMLineIndex] &&
pc.transceivers[sdpMLineIndex].rejected) {
// recycle a rejected transceiver.
pc.transceivers[sdpMLineIndex] = pc._createTransceiver(kind, true);
}
var transceiver;
var iceGatherer;
var iceTransport;
var dtlsTransport;
var rtpReceiver;
var sendEncodingParameters;
var recvEncodingParameters;
var localCapabilities;
var track;
// FIXME: ensure the mediaSection has rtcp-mux set.
var remoteCapabilities = SDPUtils.parseRtpParameters(mediaSection);
var remoteIceParameters;
var remoteDtlsParameters;
if (!rejected) {
remoteIceParameters = SDPUtils.getIceParameters(mediaSection,
sessionpart);
remoteDtlsParameters = SDPUtils.getDtlsParameters(mediaSection,
sessionpart);
remoteDtlsParameters.role = 'client';
}
recvEncodingParameters =
SDPUtils.parseRtpEncodingParameters(mediaSection);
var rtcpParameters = SDPUtils.parseRtcpParameters(mediaSection);
var isComplete = SDPUtils.matchPrefix(mediaSection,
'a=end-of-candidates', sessionpart).length > 0;
var cands = SDPUtils.matchPrefix(mediaSection, 'a=candidate:')
.map(function(cand) {
return SDPUtils.parseCandidate(cand);
})
.filter(function(cand) {
return cand.component === 1;
});
// Check if we can use BUNDLE and dispose transports.
if ((description.type === 'offer' || description.type === 'answer') &&
!rejected && usingBundle && sdpMLineIndex > 0 &&
pc.transceivers[sdpMLineIndex]) {
pc._disposeIceAndDtlsTransports(sdpMLineIndex);
pc.transceivers[sdpMLineIndex].iceGatherer =
pc.transceivers[0].iceGatherer;
pc.transceivers[sdpMLineIndex].iceTransport =
pc.transceivers[0].iceTransport;
pc.transceivers[sdpMLineIndex].dtlsTransport =
pc.transceivers[0].dtlsTransport;
if (pc.transceivers[sdpMLineIndex].rtpSender) {
pc.transceivers[sdpMLineIndex].rtpSender.setTransport(
pc.transceivers[0].dtlsTransport);
}
if (pc.transceivers[sdpMLineIndex].rtpReceiver) {
pc.transceivers[sdpMLineIndex].rtpReceiver.setTransport(
pc.transceivers[0].dtlsTransport);
}
}
if (description.type === 'offer' && !rejected) {
transceiver = pc.transceivers[sdpMLineIndex] ||
pc._createTransceiver(kind);
transceiver.mid = mid;
if (!transceiver.iceGatherer) {
transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,
usingBundle);
}
if (cands.length && transceiver.iceTransport.state === 'new') {
if (isComplete && (!usingBundle || sdpMLineIndex === 0)) {
transceiver.iceTransport.setRemoteCandidates(cands);
} else {
cands.forEach(function(candidate) {
maybeAddCandidate(transceiver.iceTransport, candidate);
});
}
}
localCapabilities = window.RTCRtpReceiver.getCapabilities(kind);
// filter RTX until additional stuff needed for RTX is implemented
// in adapter.js
if (edgeVersion < 15019) {
localCapabilities.codecs = localCapabilities.codecs.filter(
function(codec) {
return codec.name !== 'rtx';
});
}
sendEncodingParameters = transceiver.sendEncodingParameters || [{
ssrc: (2 * sdpMLineIndex + 2) * 1001
}];
// TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams
var isNewTrack = false;
if (direction === 'sendrecv' || direction === 'sendonly') {
isNewTrack = !transceiver.rtpReceiver;
rtpReceiver = transceiver.rtpReceiver ||
new window.RTCRtpReceiver(transceiver.dtlsTransport, kind);
if (isNewTrack) {
var stream;
track = rtpReceiver.track;
// FIXME: does not work with Plan B.
if (remoteMsid && remoteMsid.stream === '-') {
// no-op. a stream id of '-' means: no associated stream.
} else if (remoteMsid) {
if (!streams[remoteMsid.stream]) {
streams[remoteMsid.stream] = new window.MediaStream();
Object.defineProperty(streams[remoteMsid.stream], 'id', {
get: function() {
return remoteMsid.stream;
}
});
}
Object.defineProperty(track, 'id', {
get: function() {
return remoteMsid.track;
}
});
stream = streams[remoteMsid.stream];
} else {
if (!streams.default) {
streams.default = new window.MediaStream();
}
stream = streams.default;
}
if (stream) {
addTrackToStreamAndFireEvent(track, stream);
transceiver.associatedRemoteMediaStreams.push(stream);
}
receiverList.push([track, rtpReceiver, stream]);
}
} else if (transceiver.rtpReceiver && transceiver.rtpReceiver.track) {
transceiver.associatedRemoteMediaStreams.forEach(function(s) {
var nativeTrack = s.getTracks().find(function(t) {
return t.id === transceiver.rtpReceiver.track.id;
});
if (nativeTrack) {
removeTrackFromStreamAndFireEvent(nativeTrack, s);
}
});
transceiver.associatedRemoteMediaStreams = [];
}
transceiver.localCapabilities = localCapabilities;
transceiver.remoteCapabilities = remoteCapabilities;
transceiver.rtpReceiver = rtpReceiver;
transceiver.rtcpParameters = rtcpParameters;
transceiver.sendEncodingParameters = sendEncodingParameters;
transceiver.recvEncodingParameters = recvEncodingParameters;
// Start the RTCRtpReceiver now. The RTPSender is started in
// setLocalDescription.
pc._transceive(pc.transceivers[sdpMLineIndex],
false,
isNewTrack);
} else if (description.type === 'answer' && !rejected) {
transceiver = pc.transceivers[sdpMLineIndex];
iceGatherer = transceiver.iceGatherer;
iceTransport = transceiver.iceTransport;
dtlsTransport = transceiver.dtlsTransport;
rtpReceiver = transceiver.rtpReceiver;
sendEncodingParameters = transceiver.sendEncodingParameters;
localCapabilities = transceiver.localCapabilities;
pc.transceivers[sdpMLineIndex].recvEncodingParameters =
recvEncodingParameters;
pc.transceivers[sdpMLineIndex].remoteCapabilities =
remoteCapabilities;
pc.transceivers[sdpMLineIndex].rtcpParameters = rtcpParameters;
if (cands.length && iceTransport.state === 'new') {
if ((isIceLite || isComplete) &&
(!usingBundle || sdpMLineIndex === 0)) {
iceTransport.setRemoteCandidates(cands);
} else {
cands.forEach(function(candidate) {
maybeAddCandidate(transceiver.iceTransport, candidate);
});
}
}
if (!usingBundle || sdpMLineIndex === 0) {
if (iceTransport.state === 'new') {
iceTransport.start(iceGatherer, remoteIceParameters,
'controlling');
}
if (dtlsTransport.state === 'new') {
dtlsTransport.start(remoteDtlsParameters);
}
}
// If the offer contained RTX but the answer did not,
// remove RTX from sendEncodingParameters.
var commonCapabilities = getCommonCapabilities(
transceiver.localCapabilities,
transceiver.remoteCapabilities);
var hasRtx = commonCapabilities.codecs.filter(function(c) {
return c.name.toLowerCase() === 'rtx';
}).length;
if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) {
delete transceiver.sendEncodingParameters[0].rtx;
}
pc._transceive(transceiver,
direction === 'sendrecv' || direction === 'recvonly',
direction === 'sendrecv' || direction === 'sendonly');
// TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams
if (rtpReceiver &&
(direction === 'sendrecv' || direction === 'sendonly')) {
track = rtpReceiver.track;
if (remoteMsid) {
if (!streams[remoteMsid.stream]) {
streams[remoteMsid.stream] = new window.MediaStream();
}
addTrackToStreamAndFireEvent(track, streams[remoteMsid.stream]);
receiverList.push([track, rtpReceiver, streams[remoteMsid.stream]]);
} else {
if (!streams.default) {
streams.default = new window.MediaStream();
}
addTrackToStreamAndFireEvent(track, streams.default);
receiverList.push([track, rtpReceiver, streams.default]);
}
} else {
// FIXME: actually the receiver should be created later.
delete transceiver.rtpReceiver;
}
}
});
if (pc._dtlsRole === undefined) {
pc._dtlsRole = description.type === 'offer' ? 'active' : 'passive';
}
pc._remoteDescription = {
type: description.type,
sdp: description.sdp
};
if (description.type === 'offer') {
pc._updateSignalingState('have-remote-offer');
} else {
pc._updateSignalingState('stable');
}
Object.keys(streams).forEach(function(sid) {
var stream = streams[sid];
if (stream.getTracks().length) {
if (pc.remoteStreams.indexOf(stream) === -1) {
pc.remoteStreams.push(stream);
var event = new Event('addstream');
event.stream = stream;
window.setTimeout(function() {
pc._dispatchEvent('addstream', event);
});
}
receiverList.forEach(function(item) {
var track = item[0];
var receiver = item[1];
if (stream.id !== item[2].id) {
return;
}
fireAddTrack(pc, track, receiver, [stream]);
});
}
});
receiverList.forEach(function(item) {
if (item[2]) {
return;
}
fireAddTrack(pc, item[0], item[1], []);
});
// check whether addIceCandidate({}) was called within four seconds after
// setRemoteDescription.
window.setTimeout(function() {
if (!(pc && pc.transceivers)) {
return;
}
pc.transceivers.forEach(function(transceiver) {
if (transceiver.iceTransport &&
transceiver.iceTransport.state === 'new' &&
transceiver.iceTransport.getRemoteCandidates().length > 0) {
console.warn('Timeout for addRemoteCandidate. Consider sending ' +
'an end-of-candidates notification');
transceiver.iceTransport.addRemoteCandidate({});
}
});
}, 4000);
return Promise.resolve();
};
RTCPeerConnection.prototype.close = function() {
this.transceivers.forEach(function(transceiver) {
/* not yet
if (transceiver.iceGatherer) {
transceiver.iceGatherer.close();
}
*/
if (transceiver.iceTransport) {
transceiver.iceTransport.stop();
}
if (transceiver.dtlsTransport) {
transceiver.dtlsTransport.stop();
}
if (transceiver.rtpSender) {
transceiver.rtpSender.stop();
}
if (transceiver.rtpReceiver) {
transceiver.rtpReceiver.stop();
}
});
// FIXME: clean up tracks, local streams, remote streams, etc
this._isClosed = true;
this._updateSignalingState('closed');
};
// Update the signaling state.
RTCPeerConnection.prototype._updateSignalingState = function(newState) {
this.signalingState = newState;
var event = new Event('signalingstatechange');
this._dispatchEvent('signalingstatechange', event);
};
// Determine whether to fire the negotiationneeded event.
RTCPeerConnection.prototype._maybeFireNegotiationNeeded = function() {
var pc = this;
if (this.signalingState !== 'stable' || this.needNegotiation === true) {
return;
}
this.needNegotiation = true;
window.setTimeout(function() {
if (pc.needNegotiation) {
pc.needNegotiation = false;
var event = new Event('negotiationneeded');
pc._dispatchEvent('negotiationneeded', event);
}
}, 0);
};
// Update the ice connection state.
RTCPeerConnection.prototype._updateIceConnectionState = function() {
var newState;
var states = {
'new': 0,
closed: 0,
checking: 0,
connected: 0,
completed: 0,
disconnected: 0,
failed: 0
};
this.transceivers.forEach(function(transceiver) {
if (transceiver.iceTransport && !transceiver.rejected) {
states[transceiver.iceTransport.state]++;
}
});
newState = 'new';
if (states.failed > 0) {
newState = 'failed';
} else if (states.checking > 0) {
newState = 'checking';
} else if (states.disconnected > 0) {
newState = 'disconnected';
} else if (states.new > 0) {
newState = 'new';
} else if (states.connected > 0) {
newState = 'connected';
} else if (states.completed > 0) {
newState = 'completed';
}
if (newState !== this.iceConnectionState) {
this.iceConnectionState = newState;
var event = new Event('iceconnectionstatechange');
this._dispatchEvent('iceconnectionstatechange', event);
}
};
// Update the connection state.
RTCPeerConnection.prototype._updateConnectionState = function() {
var newState;
var states = {
'new': 0,
closed: 0,
connecting: 0,
connected: 0,
completed: 0,
disconnected: 0,
failed: 0
};
this.transceivers.forEach(function(transceiver) {
if (transceiver.iceTransport && transceiver.dtlsTransport &&
!transceiver.rejected) {
states[transceiver.iceTransport.state]++;
states[transceiver.dtlsTransport.state]++;
}
});
// ICETransport.completed and connected are the same for this purpose.
states.connected += states.completed;
newState = 'new';
if (states.failed > 0) {
newState = 'failed';
} else if (states.connecting > 0) {
newState = 'connecting';
} else if (states.disconnected > 0) {
newState = 'disconnected';
} else if (states.new > 0) {
newState = 'new';
} else if (states.connected > 0) {
newState = 'connected';
}
if (newState !== this.connectionState) {
this.connectionState = newState;
var event = new Event('connectionstatechange');
this._dispatchEvent('connectionstatechange', event);
}
};
RTCPeerConnection.prototype.createOffer = function() {
var pc = this;
if (pc._isClosed) {
return Promise.reject(makeError('InvalidStateError',
'Can not call createOffer after close'));
}
var numAudioTracks = pc.transceivers.filter(function(t) {
return t.kind === 'audio';
}).length;
var numVideoTracks = pc.transceivers.filter(function(t) {
return t.kind === 'video';
}).length;
// Determine number of audio and video tracks we need to send/recv.
var offerOptions = arguments[0];
if (offerOptions) {
// Reject Chrome legacy constraints.
if (offerOptions.mandatory || offerOptions.optional) {
throw new TypeError(
'Legacy mandatory/optional constraints not supported.');
}
if (offerOptions.offerToReceiveAudio !== undefined) {
if (offerOptions.offerToReceiveAudio === true) {
numAudioTracks = 1;
} else if (offerOptions.offerToReceiveAudio === false) {
numAudioTracks = 0;
} else {
numAudioTracks = offerOptions.offerToReceiveAudio;
}
}
if (offerOptions.offerToReceiveVideo !== undefined) {
if (offerOptions.offerToReceiveVideo === true) {
numVideoTracks = 1;
} else if (offerOptions.offerToReceiveVideo === false) {
numVideoTracks = 0;
} else {
numVideoTracks = offerOptions.offerToReceiveVideo;
}
}
}
pc.transceivers.forEach(function(transceiver) {
if (transceiver.kind === 'audio') {
numAudioTracks--;
if (numAudioTracks < 0) {
transceiver.wantReceive = false;
}
} else if (transceiver.kind === 'video') {
numVideoTracks--;
if (numVideoTracks < 0) {
transceiver.wantReceive = false;
}
}
});
// Create M-lines for recvonly streams.
while (numAudioTracks > 0 || numVideoTracks > 0) {
if (numAudioTracks > 0) {
pc._createTransceiver('audio');
numAudioTracks--;
}
if (numVideoTracks > 0) {
pc._createTransceiver('video');
numVideoTracks--;
}
}
var sdp = SDPUtils.writeSessionBoilerplate(pc._sdpSessionId,
pc._sdpSessionVersion++);
pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {
// For each track, create an ice gatherer, ice transport,
// dtls transport, potentially rtpsender and rtpreceiver.
var track = transceiver.track;
var kind = transceiver.kind;
var mid = transceiver.mid || SDPUtils.generateIdentifier();
transceiver.mid = mid;
if (!transceiver.iceGatherer) {
transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,
pc.usingBundle);
}
var localCapabilities = window.RTCRtpSender.getCapabilities(kind);
// filter RTX until additional stuff needed for RTX is implemented
// in adapter.js
if (edgeVersion < 15019) {
localCapabilities.codecs = localCapabilities.codecs.filter(
function(codec) {
return codec.name !== 'rtx';
});
}
localCapabilities.codecs.forEach(function(codec) {
// work around https://bugs.chromium.org/p/webrtc/issues/detail?id=6552
// by adding level-asymmetry-allowed=1
if (codec.name === 'H264' &&
codec.parameters['level-asymmetry-allowed'] === undefined) {
codec.parameters['level-asymmetry-allowed'] = '1';
}
// for subsequent offers, we might have to re-use the payload
// type of the last offer.
if (transceiver.remoteCapabilities &&
transceiver.remoteCapabilities.codecs) {
transceiver.remoteCapabilities.codecs.forEach(function(remoteCodec) {
if (codec.name.toLowerCase() === remoteCodec.name.toLowerCase() &&
codec.clockRate === remoteCodec.clockRate) {
codec.preferredPayloadType = remoteCodec.payloadType;
}
});
}
});
localCapabilities.headerExtensions.forEach(function(hdrExt) {
var remoteExtensions = transceiver.remoteCapabilities &&
transceiver.remoteCapabilities.headerExtensions || [];
remoteExtensions.forEach(function(rHdrExt) {
if (hdrExt.uri === rHdrExt.uri) {
hdrExt.id = rHdrExt.id;
}
});
});
// generate an ssrc now, to be used later in rtpSender.send
var sendEncodingParameters = transceiver.sendEncodingParameters || [{
ssrc: (2 * sdpMLineIndex + 1) * 1001
}];
if (track) {
// add RTX
if (edgeVersion >= 15019 && kind === 'video' &&
!sendEncodingParameters[0].rtx) {
sendEncodingParameters[0].rtx = {
ssrc: sendEncodingParameters[0].ssrc + 1
};
}
}
if (transceiver.wantReceive) {
transceiver.rtpReceiver = new window.RTCRtpReceiver(
transceiver.dtlsTransport, kind);
}
transceiver.localCapabilities = localCapabilities;
transceiver.sendEncodingParameters = sendEncodingParameters;
});
// always offer BUNDLE and dispose on return if not supported.
if (pc._config.bundlePolicy !== 'max-compat') {
sdp += 'a=group:BUNDLE ' + pc.transceivers.map(function(t) {
return t.mid;
}).join(' ') + '\r\n';
}
sdp += 'a=ice-options:trickle\r\n';
pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {
sdp += writeMediaSection(transceiver, transceiver.localCapabilities,
'offer', transceiver.stream, pc._dtlsRole);
sdp += 'a=rtcp-rsize\r\n';
if (transceiver.iceGatherer && pc.iceGatheringState !== 'new' &&
(sdpMLineIndex === 0 || !pc.usingBundle)) {
transceiver.iceGatherer.getLocalCandidates().forEach(function(cand) {
cand.component = 1;
sdp += 'a=' + SDPUtils.writeCandidate(cand) + '\r\n';
});
if (transceiver.iceGatherer.state === 'completed') {
sdp += 'a=end-of-candidates\r\n';
}
}
});
var desc = new window.RTCSessionDescription({
type: 'offer',
sdp: sdp
});
return Promise.resolve(desc);
};
RTCPeerConnection.prototype.createAnswer = function() {
var pc = this;
if (pc._isClosed) {
return Promise.reject(makeError('InvalidStateError',
'Can not call createAnswer after close'));
}
if (!(pc.signalingState === 'have-remote-offer' ||
pc.signalingState === 'have-local-pranswer')) {
return Promise.reject(makeError('InvalidStateError',
'Can not call createAnswer in signalingState ' + pc.signalingState));
}
var sdp = SDPUtils.writeSessionBoilerplate(pc._sdpSessionId,
pc._sdpSessionVersion++);
if (pc.usingBundle) {
sdp += 'a=group:BUNDLE ' + pc.transceivers.map(function(t) {
return t.mid;
}).join(' ') + '\r\n';
}
sdp += 'a=ice-options:trickle\r\n';
var mediaSectionsInOffer = SDPUtils.getMediaSections(
pc._remoteDescription.sdp).length;
pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {
if (sdpMLineIndex + 1 > mediaSectionsInOffer) {
return;
}
if (transceiver.rejected) {
if (transceiver.kind === 'application') {
if (transceiver.protocol === 'DTLS/SCTP') { // legacy fmt
sdp += 'm=application 0 DTLS/SCTP 5000\r\n';
} else {
sdp += 'm=application 0 ' + transceiver.protocol +
' webrtc-datachannel\r\n';
}
} else if (transceiver.kind === 'audio') {
sdp += 'm=audio 0 UDP/TLS/RTP/SAVPF 0\r\n' +
'a=rtpmap:0 PCMU/8000\r\n';
} else if (transceiver.kind === 'video') {
sdp += 'm=video 0 UDP/TLS/RTP/SAVPF 120\r\n' +
'a=rtpmap:120 VP8/90000\r\n';
}
sdp += 'c=IN IP4 0.0.0.0\r\n' +
'a=inactive\r\n' +
'a=mid:' + transceiver.mid + '\r\n';
return;
}
// FIXME: look at direction.
if (transceiver.stream) {
var localTrack;
if (transceiver.kind === 'audio') {
localTrack = transceiver.stream.getAudioTracks()[0];
} else if (transceiver.kind === 'video') {
localTrack = transceiver.stream.getVideoTracks()[0];
}
if (localTrack) {
// add RTX
if (edgeVersion >= 15019 && transceiver.kind === 'video' &&
!transceiver.sendEncodingParameters[0].rtx) {
transceiver.sendEncodingParameters[0].rtx = {
ssrc: transceiver.sendEncodingParameters[0].ssrc + 1
};
}
}
}
// Calculate intersection of capabilities.
var commonCapabilities = getCommonCapabilities(
transceiver.localCapabilities,
transceiver.remoteCapabilities);
var hasRtx = commonCapabilities.codecs.filter(function(c) {
return c.name.toLowerCase() === 'rtx';
}).length;
if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) {
delete transceiver.sendEncodingParameters[0].rtx;
}
sdp += writeMediaSection(transceiver, commonCapabilities,
'answer', transceiver.stream, pc._dtlsRole);
if (transceiver.rtcpParameters &&
transceiver.rtcpParameters.reducedSize) {
sdp += 'a=rtcp-rsize\r\n';
}
});
var desc = new window.RTCSessionDescription({
type: 'answer',
sdp: sdp
});
return Promise.resolve(desc);
};
RTCPeerConnection.prototype.addIceCandidate = function(candidate) {
var pc = this;
var sections;
if (candidate && !(candidate.sdpMLineIndex !== undefined ||
candidate.sdpMid)) {
return Promise.reject(new TypeError('sdpMLineIndex or sdpMid required'));
}
// TODO: needs to go into ops queue.
return new Promise(function(resolve, reject) {
if (!pc._remoteDescription) {
return reject(makeError('InvalidStateError',
'Can not add ICE candidate without a remote description'));
} else if (!candidate || candidate.candidate === '') {
for (var j = 0; j < pc.transceivers.length; j++) {
if (pc.transceivers[j].rejected) {
continue;
}
pc.transceivers[j].iceTransport.addRemoteCandidate({});
sections = SDPUtils.getMediaSections(pc._remoteDescription.sdp);
sections[j] += 'a=end-of-candidates\r\n';
pc._remoteDescription.sdp =
SDPUtils.getDescription(pc._remoteDescription.sdp) +
sections.join('');
if (pc.usingBundle) {
break;
}
}
} else {
var sdpMLineIndex = candidate.sdpMLineIndex;
if (candidate.sdpMid) {
for (var i = 0; i < pc.transceivers.length; i++) {
if (pc.transceivers[i].mid === candidate.sdpMid) {
sdpMLineIndex = i;
break;
}
}
}
var transceiver = pc.transceivers[sdpMLineIndex];
if (transceiver) {
if (transceiver.rejected) {
return resolve();
}
var cand = Object.keys(candidate.candidate).length > 0 ?
SDPUtils.parseCandidate(candidate.candidate) : {};
// Ignore Chrome's invalid candidates since Edge does not like them.
if (cand.protocol === 'tcp' && (cand.port === 0 || cand.port === 9)) {
return resolve();
}
// Ignore RTCP candidates, we assume RTCP-MUX.
if (cand.component && cand.component !== 1) {
return resolve();
}
// when using bundle, avoid adding candidates to the wrong
// ice transport. And avoid adding candidates added in the SDP.
if (sdpMLineIndex === 0 || (sdpMLineIndex > 0 &&
transceiver.iceTransport !== pc.transceivers[0].iceTransport)) {
if (!maybeAddCandidate(transceiver.iceTransport, cand)) {
return reject(makeError('OperationError',
'Can not add ICE candidate'));
}
}
// update the remoteDescription.
var candidateString = candidate.candidate.trim();
if (candidateString.indexOf('a=') === 0) {
candidateString = candidateString.substr(2);
}
sections = SDPUtils.getMediaSections(pc._remoteDescription.sdp);
sections[sdpMLineIndex] += 'a=' +
(cand.type ? candidateString : 'end-of-candidates')
+ '\r\n';
pc._remoteDescription.sdp =
SDPUtils.getDescription(pc._remoteDescription.sdp) +
sections.join('');
} else {
return reject(makeError('OperationError',
'Can not add ICE candidate'));
}
}
resolve();
});
};
RTCPeerConnection.prototype.getStats = function(selector) {
if (selector && selector instanceof window.MediaStreamTrack) {
var senderOrReceiver = null;
this.transceivers.forEach(function(transceiver) {
if (transceiver.rtpSender &&
transceiver.rtpSender.track === selector) {
senderOrReceiver = transceiver.rtpSender;
} else if (transceiver.rtpReceiver &&
transceiver.rtpReceiver.track === selector) {
senderOrReceiver = transceiver.rtpReceiver;
}
});
if (!senderOrReceiver) {
throw makeError('InvalidAccessError', 'Invalid selector.');
}
return senderOrReceiver.getStats();
}
var promises = [];
this.transceivers.forEach(function(transceiver) {
['rtpSender', 'rtpReceiver', 'iceGatherer', 'iceTransport',
'dtlsTransport'].forEach(function(method) {
if (transceiver[method]) {
promises.push(transceiver[method].getStats());
}
});
});
return Promise.all(promises).then(function(allStats) {
var results = new Map();
allStats.forEach(function(stats) {
stats.forEach(function(stat) {
results.set(stat.id, stat);
});
});
return results;
});
};
// fix low-level stat names and return Map instead of object.
var ortcObjects = ['RTCRtpSender', 'RTCRtpReceiver', 'RTCIceGatherer',
'RTCIceTransport', 'RTCDtlsTransport'];
ortcObjects.forEach(function(ortcObjectName) {
var obj = window[ortcObjectName];
if (obj && obj.prototype && obj.prototype.getStats) {
var nativeGetstats = obj.prototype.getStats;
obj.prototype.getStats = function() {
return nativeGetstats.apply(this)
.then(function(nativeStats) {
var mapStats = new Map();
Object.keys(nativeStats).forEach(function(id) {
nativeStats[id].type = fixStatsType(nativeStats[id]);
mapStats.set(id, nativeStats[id]);
});
return mapStats;
});
};
}
});
// legacy callback shims. Should be moved to adapter.js some days.
var methods = ['createOffer', 'createAnswer'];
methods.forEach(function(method) {
var nativeMethod = RTCPeerConnection.prototype[method];
RTCPeerConnection.prototype[method] = function() {
var args = arguments;
if (typeof args[0] === 'function' ||
typeof args[1] === 'function') { // legacy
return nativeMethod.apply(this, [arguments[2]])
.then(function(description) {
if (typeof args[0] === 'function') {
args[0].apply(null, [description]);
}
}, function(error) {
if (typeof args[1] === 'function') {
args[1].apply(null, [error]);
}
});
}
return nativeMethod.apply(this, arguments);
};
});
methods = ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'];
methods.forEach(function(method) {
var nativeMethod = RTCPeerConnection.prototype[method];
RTCPeerConnection.prototype[method] = function() {
var args = arguments;
if (typeof args[1] === 'function' ||
typeof args[2] === 'function') { // legacy
return nativeMethod.apply(this, arguments)
.then(function() {
if (typeof args[1] === 'function') {
args[1].apply(null);
}
}, function(error) {
if (typeof args[2] === 'function') {
args[2].apply(null, [error]);
}
});
}
return nativeMethod.apply(this, arguments);
};
});
// getStats is special. It doesn't have a spec legacy method yet we support
// getStats(something, cb) without error callbacks.
['getStats'].forEach(function(method) {
var nativeMethod = RTCPeerConnection.prototype[method];
RTCPeerConnection.prototype[method] = function() {
var args = arguments;
if (typeof args[1] === 'function') {
return nativeMethod.apply(this, arguments)
.then(function() {
if (typeof args[1] === 'function') {
args[1].apply(null);
}
});
}
return nativeMethod.apply(this, arguments);
};
});
return RTCPeerConnection;
};
},{"sdp":17}],17:[function(require,module,exports){
/* eslint-env node */
'use strict';
// SDP helpers.
var SDPUtils = {};
// Generate an alphanumeric identifier for cname or mids.
// TODO: use UUIDs instead? https://gist.github.com/jed/982883
SDPUtils.generateIdentifier = function() {
return Math.random().toString(36).substr(2, 10);
};
// The RTCP CNAME used by all peerconnections from the same JS.
SDPUtils.localCName = SDPUtils.generateIdentifier();
// Splits SDP into lines, dealing with both CRLF and LF.
SDPUtils.splitLines = function(blob) {
return blob.trim().split('\n').map(function(line) {
return line.trim();
});
};
// Splits SDP into sessionpart and mediasections. Ensures CRLF.
SDPUtils.splitSections = function(blob) {
var parts = blob.split('\nm=');
return parts.map(function(part, index) {
return (index > 0 ? 'm=' + part : part).trim() + '\r\n';
});
};
// returns the session description.
SDPUtils.getDescription = function(blob) {
var sections = SDPUtils.splitSections(blob);
return sections && sections[0];
};
// returns the individual media sections.
SDPUtils.getMediaSections = function(blob) {
var sections = SDPUtils.splitSections(blob);
sections.shift();
return sections;
};
// Returns lines that start with a certain prefix.
SDPUtils.matchPrefix = function(blob, prefix) {
return SDPUtils.splitLines(blob).filter(function(line) {
return line.indexOf(prefix) === 0;
});
};
// Parses an ICE candidate line. Sample input:
// candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8
// rport 55996"
SDPUtils.parseCandidate = function(line) {
var parts;
// Parse both variants.
if (line.indexOf('a=candidate:') === 0) {
parts = line.substring(12).split(' ');
} else {
parts = line.substring(10).split(' ');
}
var candidate = {
foundation: parts[0],
component: parseInt(parts[1], 10),
protocol: parts[2].toLowerCase(),
priority: parseInt(parts[3], 10),
ip: parts[4],
address: parts[4], // address is an alias for ip.
port: parseInt(parts[5], 10),
// skip parts[6] == 'typ'
type: parts[7]
};
for (var i = 8; i < parts.length; i += 2) {
switch (parts[i]) {
case 'raddr':
candidate.relatedAddress = parts[i + 1];
break;
case 'rport':
candidate.relatedPort = parseInt(parts[i + 1], 10);
break;
case 'tcptype':
candidate.tcpType = parts[i + 1];
break;
case 'ufrag':
candidate.ufrag = parts[i + 1]; // for backward compability.
candidate.usernameFragment = parts[i + 1];
break;
default: // extension handling, in particular ufrag
candidate[parts[i]] = parts[i + 1];
break;
}
}
return candidate;
};
// Translates a candidate object into SDP candidate attribute.
SDPUtils.writeCandidate = function(candidate) {
var sdp = [];
sdp.push(candidate.foundation);
sdp.push(candidate.component);
sdp.push(candidate.protocol.toUpperCase());
sdp.push(candidate.priority);
sdp.push(candidate.address || candidate.ip);
sdp.push(candidate.port);
var type = candidate.type;
sdp.push('typ');
sdp.push(type);
if (type !== 'host' && candidate.relatedAddress &&
candidate.relatedPort) {
sdp.push('raddr');
sdp.push(candidate.relatedAddress);
sdp.push('rport');
sdp.push(candidate.relatedPort);
}
if (candidate.tcpType && candidate.protocol.toLowerCase() === 'tcp') {
sdp.push('tcptype');
sdp.push(candidate.tcpType);
}
if (candidate.usernameFragment || candidate.ufrag) {
sdp.push('ufrag');
sdp.push(candidate.usernameFragment || candidate.ufrag);
}
return 'candidate:' + sdp.join(' ');
};
// Parses an ice-options line, returns an array of option tags.
// a=ice-options:foo bar
SDPUtils.parseIceOptions = function(line) {
return line.substr(14).split(' ');
};
// Parses an rtpmap line, returns RTCRtpCoddecParameters. Sample input:
// a=rtpmap:111 opus/48000/2
SDPUtils.parseRtpMap = function(line) {
var parts = line.substr(9).split(' ');
var parsed = {
payloadType: parseInt(parts.shift(), 10) // was: id
};
parts = parts[0].split('/');
parsed.name = parts[0];
parsed.clockRate = parseInt(parts[1], 10); // was: clockrate
parsed.channels = parts.length === 3 ? parseInt(parts[2], 10) : 1;
// legacy alias, got renamed back to channels in ORTC.
parsed.numChannels = parsed.channels;
return parsed;
};
// Generate an a=rtpmap line from RTCRtpCodecCapability or
// RTCRtpCodecParameters.
SDPUtils.writeRtpMap = function(codec) {
var pt = codec.payloadType;
if (codec.preferredPayloadType !== undefined) {
pt = codec.preferredPayloadType;
}
var channels = codec.channels || codec.numChannels || 1;
return 'a=rtpmap:' + pt + ' ' + codec.name + '/' + codec.clockRate +
(channels !== 1 ? '/' + channels : '') + '\r\n';
};
// Parses an a=extmap line (headerextension from RFC 5285). Sample input:
// a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
// a=extmap:2/sendonly urn:ietf:params:rtp-hdrext:toffset
SDPUtils.parseExtmap = function(line) {
var parts = line.substr(9).split(' ');
return {
id: parseInt(parts[0], 10),
direction: parts[0].indexOf('/') > 0 ? parts[0].split('/')[1] : 'sendrecv',
uri: parts[1]
};
};
// Generates a=extmap line from RTCRtpHeaderExtensionParameters or
// RTCRtpHeaderExtension.
SDPUtils.writeExtmap = function(headerExtension) {
return 'a=extmap:' + (headerExtension.id || headerExtension.preferredId) +
(headerExtension.direction && headerExtension.direction !== 'sendrecv'
? '/' + headerExtension.direction
: '') +
' ' + headerExtension.uri + '\r\n';
};
// Parses an ftmp line, returns dictionary. Sample input:
// a=fmtp:96 vbr=on;cng=on
// Also deals with vbr=on; cng=on
SDPUtils.parseFmtp = function(line) {
var parsed = {};
var kv;
var parts = line.substr(line.indexOf(' ') + 1).split(';');
for (var j = 0; j < parts.length; j++) {
kv = parts[j].trim().split('=');
parsed[kv[0].trim()] = kv[1];
}
return parsed;
};
// Generates an a=ftmp line from RTCRtpCodecCapability or RTCRtpCodecParameters.
SDPUtils.writeFmtp = function(codec) {
var line = '';
var pt = codec.payloadType;
if (codec.preferredPayloadType !== undefined) {
pt = codec.preferredPayloadType;
}
if (codec.parameters && Object.keys(codec.parameters).length) {
var params = [];
Object.keys(codec.parameters).forEach(function(param) {
if (codec.parameters[param]) {
params.push(param + '=' + codec.parameters[param]);
} else {
params.push(param);
}
});
line += 'a=fmtp:' + pt + ' ' + params.join(';') + '\r\n';
}
return line;
};
// Parses an rtcp-fb line, returns RTCPRtcpFeedback object. Sample input:
// a=rtcp-fb:98 nack rpsi
SDPUtils.parseRtcpFb = function(line) {
var parts = line.substr(line.indexOf(' ') + 1).split(' ');
return {
type: parts.shift(),
parameter: parts.join(' ')
};
};
// Generate a=rtcp-fb lines from RTCRtpCodecCapability or RTCRtpCodecParameters.
SDPUtils.writeRtcpFb = function(codec) {
var lines = '';
var pt = codec.payloadType;
if (codec.preferredPayloadType !== undefined) {
pt = codec.preferredPayloadType;
}
if (codec.rtcpFeedback && codec.rtcpFeedback.length) {
// FIXME: special handling for trr-int?
codec.rtcpFeedback.forEach(function(fb) {
lines += 'a=rtcp-fb:' + pt + ' ' + fb.type +
(fb.parameter && fb.parameter.length ? ' ' + fb.parameter : '') +
'\r\n';
});
}
return lines;
};
// Parses an RFC 5576 ssrc media attribute. Sample input:
// a=ssrc:3735928559 cname:something
SDPUtils.parseSsrcMedia = function(line) {
var sp = line.indexOf(' ');
var parts = {
ssrc: parseInt(line.substr(7, sp - 7), 10)
};
var colon = line.indexOf(':', sp);
if (colon > -1) {
parts.attribute = line.substr(sp + 1, colon - sp - 1);
parts.value = line.substr(colon + 1);
} else {
parts.attribute = line.substr(sp + 1);
}
return parts;
};
SDPUtils.parseSsrcGroup = function(line) {
var parts = line.substr(13).split(' ');
return {
semantics: parts.shift(),
ssrcs: parts.map(function(ssrc) {
return parseInt(ssrc, 10);
})
};
};
// Extracts the MID (RFC 5888) from a media section.
// returns the MID or undefined if no mid line was found.
SDPUtils.getMid = function(mediaSection) {
var mid = SDPUtils.matchPrefix(mediaSection, 'a=mid:')[0];
if (mid) {
return mid.substr(6);
}
};
SDPUtils.parseFingerprint = function(line) {
var parts = line.substr(14).split(' ');
return {
algorithm: parts[0].toLowerCase(), // algorithm is case-sensitive in Edge.
value: parts[1]
};
};
// Extracts DTLS parameters from SDP media section or sessionpart.
// FIXME: for consistency with other functions this should only
// get the fingerprint line as input. See also getIceParameters.
SDPUtils.getDtlsParameters = function(mediaSection, sessionpart) {
var lines = SDPUtils.matchPrefix(mediaSection + sessionpart,
'a=fingerprint:');
// Note: a=setup line is ignored since we use the 'auto' role.
// Note2: 'algorithm' is not case sensitive except in Edge.
return {
role: 'auto',
fingerprints: lines.map(SDPUtils.parseFingerprint)
};
};
// Serializes DTLS parameters to SDP.
SDPUtils.writeDtlsParameters = function(params, setupType) {
var sdp = 'a=setup:' + setupType + '\r\n';
params.fingerprints.forEach(function(fp) {
sdp += 'a=fingerprint:' + fp.algorithm + ' ' + fp.value + '\r\n';
});
return sdp;
};
// Parses ICE information from SDP media section or sessionpart.
// FIXME: for consistency with other functions this should only
// get the ice-ufrag and ice-pwd lines as input.
SDPUtils.getIceParameters = function(mediaSection, sessionpart) {
var lines = SDPUtils.splitLines(mediaSection);
// Search in session part, too.
lines = lines.concat(SDPUtils.splitLines(sessionpart));
var iceParameters = {
usernameFragment: lines.filter(function(line) {
return line.indexOf('a=ice-ufrag:') === 0;
})[0].substr(12),
password: lines.filter(function(line) {
return line.indexOf('a=ice-pwd:') === 0;
})[0].substr(10)
};
return iceParameters;
};
// Serializes ICE parameters to SDP.
SDPUtils.writeIceParameters = function(params) {
return 'a=ice-ufrag:' + params.usernameFragment + '\r\n' +
'a=ice-pwd:' + params.password + '\r\n';
};
// Parses the SDP media section and returns RTCRtpParameters.
SDPUtils.parseRtpParameters = function(mediaSection) {
var description = {
codecs: [],
headerExtensions: [],
fecMechanisms: [],
rtcp: []
};
var lines = SDPUtils.splitLines(mediaSection);
var mline = lines[0].split(' ');
for (var i = 3; i < mline.length; i++) { // find all codecs from mline[3..]
var pt = mline[i];
var rtpmapline = SDPUtils.matchPrefix(
mediaSection, 'a=rtpmap:' + pt + ' ')[0];
if (rtpmapline) {
var codec = SDPUtils.parseRtpMap(rtpmapline);
var fmtps = SDPUtils.matchPrefix(
mediaSection, 'a=fmtp:' + pt + ' ');
// Only the first a=fmtp:<pt> is considered.
codec.parameters = fmtps.length ? SDPUtils.parseFmtp(fmtps[0]) : {};
codec.rtcpFeedback = SDPUtils.matchPrefix(
mediaSection, 'a=rtcp-fb:' + pt + ' ')
.map(SDPUtils.parseRtcpFb);
description.codecs.push(codec);
// parse FEC mechanisms from rtpmap lines.
switch (codec.name.toUpperCase()) {
case 'RED':
case 'ULPFEC':
description.fecMechanisms.push(codec.name.toUpperCase());
break;
default: // only RED and ULPFEC are recognized as FEC mechanisms.
break;
}
}
}
SDPUtils.matchPrefix(mediaSection, 'a=extmap:').forEach(function(line) {
description.headerExtensions.push(SDPUtils.parseExtmap(line));
});
// FIXME: parse rtcp.
return description;
};
// Generates parts of the SDP media section describing the capabilities /
// parameters.
SDPUtils.writeRtpDescription = function(kind, caps) {
var sdp = '';
// Build the mline.
sdp += 'm=' + kind + ' ';
sdp += caps.codecs.length > 0 ? '9' : '0'; // reject if no codecs.
sdp += ' UDP/TLS/RTP/SAVPF ';
sdp += caps.codecs.map(function(codec) {
if (codec.preferredPayloadType !== undefined) {
return codec.preferredPayloadType;
}
return codec.payloadType;
}).join(' ') + '\r\n';
sdp += 'c=IN IP4 0.0.0.0\r\n';
sdp += 'a=rtcp:9 IN IP4 0.0.0.0\r\n';
// Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb.
caps.codecs.forEach(function(codec) {
sdp += SDPUtils.writeRtpMap(codec);
sdp += SDPUtils.writeFmtp(codec);
sdp += SDPUtils.writeRtcpFb(codec);
});
var maxptime = 0;
caps.codecs.forEach(function(codec) {
if (codec.maxptime > maxptime) {
maxptime = codec.maxptime;
}
});
if (maxptime > 0) {
sdp += 'a=maxptime:' + maxptime + '\r\n';
}
sdp += 'a=rtcp-mux\r\n';
if (caps.headerExtensions) {
caps.headerExtensions.forEach(function(extension) {
sdp += SDPUtils.writeExtmap(extension);
});
}
// FIXME: write fecMechanisms.
return sdp;
};
// Parses the SDP media section and returns an array of
// RTCRtpEncodingParameters.
SDPUtils.parseRtpEncodingParameters = function(mediaSection) {
var encodingParameters = [];
var description = SDPUtils.parseRtpParameters(mediaSection);
var hasRed = description.fecMechanisms.indexOf('RED') !== -1;
var hasUlpfec = description.fecMechanisms.indexOf('ULPFEC') !== -1;
// filter a=ssrc:... cname:, ignore PlanB-msid
var ssrcs = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
.map(function(line) {
return SDPUtils.parseSsrcMedia(line);
})
.filter(function(parts) {
return parts.attribute === 'cname';
});
var primarySsrc = ssrcs.length > 0 && ssrcs[0].ssrc;
var secondarySsrc;
var flows = SDPUtils.matchPrefix(mediaSection, 'a=ssrc-group:FID')
.map(function(line) {
var parts = line.substr(17).split(' ');
return parts.map(function(part) {
return parseInt(part, 10);
});
});
if (flows.length > 0 && flows[0].length > 1 && flows[0][0] === primarySsrc) {
secondarySsrc = flows[0][1];
}
description.codecs.forEach(function(codec) {
if (codec.name.toUpperCase() === 'RTX' && codec.parameters.apt) {
var encParam = {
ssrc: primarySsrc,
codecPayloadType: parseInt(codec.parameters.apt, 10)
};
if (primarySsrc && secondarySsrc) {
encParam.rtx = {ssrc: secondarySsrc};
}
encodingParameters.push(encParam);
if (hasRed) {
encParam = JSON.parse(JSON.stringify(encParam));
encParam.fec = {
ssrc: primarySsrc,
mechanism: hasUlpfec ? 'red+ulpfec' : 'red'
};
encodingParameters.push(encParam);
}
}
});
if (encodingParameters.length === 0 && primarySsrc) {
encodingParameters.push({
ssrc: primarySsrc
});
}
// we support both b=AS and b=TIAS but interpret AS as TIAS.
var bandwidth = SDPUtils.matchPrefix(mediaSection, 'b=');
if (bandwidth.length) {
if (bandwidth[0].indexOf('b=TIAS:') === 0) {
bandwidth = parseInt(bandwidth[0].substr(7), 10);
} else if (bandwidth[0].indexOf('b=AS:') === 0) {
// use formula from JSEP to convert b=AS to TIAS value.
bandwidth = parseInt(bandwidth[0].substr(5), 10) * 1000 * 0.95
- (50 * 40 * 8);
} else {
bandwidth = undefined;
}
encodingParameters.forEach(function(params) {
params.maxBitrate = bandwidth;
});
}
return encodingParameters;
};
// parses http://draft.ortc.org/#rtcrtcpparameters*
SDPUtils.parseRtcpParameters = function(mediaSection) {
var rtcpParameters = {};
// Gets the first SSRC. Note tha with RTX there might be multiple
// SSRCs.
var remoteSsrc = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
.map(function(line) {
return SDPUtils.parseSsrcMedia(line);
})
.filter(function(obj) {
return obj.attribute === 'cname';
})[0];
if (remoteSsrc) {
rtcpParameters.cname = remoteSsrc.value;
rtcpParameters.ssrc = remoteSsrc.ssrc;
}
// Edge uses the compound attribute instead of reducedSize
// compound is !reducedSize
var rsize = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-rsize');
rtcpParameters.reducedSize = rsize.length > 0;
rtcpParameters.compound = rsize.length === 0;
// parses the rtcp-mux attrŅbute.
// Note that Edge does not support unmuxed RTCP.
var mux = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-mux');
rtcpParameters.mux = mux.length > 0;
return rtcpParameters;
};
// parses either a=msid: or a=ssrc:... msid lines and returns
// the id of the MediaStream and MediaStreamTrack.
SDPUtils.parseMsid = function(mediaSection) {
var parts;
var spec = SDPUtils.matchPrefix(mediaSection, 'a=msid:');
if (spec.length === 1) {
parts = spec[0].substr(7).split(' ');
return {stream: parts[0], track: parts[1]};
}
var planB = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
.map(function(line) {
return SDPUtils.parseSsrcMedia(line);
})
.filter(function(msidParts) {
return msidParts.attribute === 'msid';
});
if (planB.length > 0) {
parts = planB[0].value.split(' ');
return {stream: parts[0], track: parts[1]};
}
};
// Generate a session ID for SDP.
// https://tools.ietf.org/html/draft-ietf-rtcweb-jsep-20#section-5.2.1
// recommends using a cryptographically random +ve 64-bit value
// but right now this should be acceptable and within the right range
SDPUtils.generateSessionId = function() {
return Math.random().toString().substr(2, 21);
};
// Write boilder plate for start of SDP
// sessId argument is optional - if not supplied it will
// be generated randomly
// sessVersion is optional and defaults to 2
// sessUser is optional and defaults to 'thisisadapterortc'
SDPUtils.writeSessionBoilerplate = function(sessId, sessVer, sessUser) {
var sessionId;
var version = sessVer !== undefined ? sessVer : 2;
if (sessId) {
sessionId = sessId;
} else {
sessionId = SDPUtils.generateSessionId();
}
var user = sessUser || 'thisisadapterortc';
// FIXME: sess-id should be an NTP timestamp.
return 'v=0\r\n' +
'o=' + user + ' ' + sessionId + ' ' + version +
' IN IP4 127.0.0.1\r\n' +
's=-\r\n' +
't=0 0\r\n';
};
SDPUtils.writeMediaSection = function(transceiver, caps, type, stream) {
var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps);
// Map ICE parameters (ufrag, pwd) to SDP.
sdp += SDPUtils.writeIceParameters(
transceiver.iceGatherer.getLocalParameters());
// Map DTLS parameters to SDP.
sdp += SDPUtils.writeDtlsParameters(
transceiver.dtlsTransport.getLocalParameters(),
type === 'offer' ? 'actpass' : 'active');
sdp += 'a=mid:' + transceiver.mid + '\r\n';
if (transceiver.direction) {
sdp += 'a=' + transceiver.direction + '\r\n';
} else if (transceiver.rtpSender && transceiver.rtpReceiver) {
sdp += 'a=sendrecv\r\n';
} else if (transceiver.rtpSender) {
sdp += 'a=sendonly\r\n';
} else if (transceiver.rtpReceiver) {
sdp += 'a=recvonly\r\n';
} else {
sdp += 'a=inactive\r\n';
}
if (transceiver.rtpSender) {
// spec.
var msid = 'msid:' + stream.id + ' ' +
transceiver.rtpSender.track.id + '\r\n';
sdp += 'a=' + msid;
// for Chrome.
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
' ' + msid;
if (transceiver.sendEncodingParameters[0].rtx) {
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
' ' + msid;
sdp += 'a=ssrc-group:FID ' +
transceiver.sendEncodingParameters[0].ssrc + ' ' +
transceiver.sendEncodingParameters[0].rtx.ssrc +
'\r\n';
}
}
// FIXME: this should be written by writeRtpDescription.
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
' cname:' + SDPUtils.localCName + '\r\n';
if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
' cname:' + SDPUtils.localCName + '\r\n';
}
return sdp;
};
// Gets the direction from the mediaSection or the sessionpart.
SDPUtils.getDirection = function(mediaSection, sessionpart) {
// Look for sendrecv, sendonly, recvonly, inactive, default to sendrecv.
var lines = SDPUtils.splitLines(mediaSection);
for (var i = 0; i < lines.length; i++) {
switch (lines[i]) {
case 'a=sendrecv':
case 'a=sendonly':
case 'a=recvonly':
case 'a=inactive':
return lines[i].substr(2);
default:
// FIXME: What should happen here?
}
}
if (sessionpart) {
return SDPUtils.getDirection(sessionpart);
}
return 'sendrecv';
};
SDPUtils.getKind = function(mediaSection) {
var lines = SDPUtils.splitLines(mediaSection);
var mline = lines[0].split(' ');
return mline[0].substr(2);
};
SDPUtils.isRejected = function(mediaSection) {
return mediaSection.split(' ', 2)[1] === '0';
};
SDPUtils.parseMLine = function(mediaSection) {
var lines = SDPUtils.splitLines(mediaSection);
var parts = lines[0].substr(2).split(' ');
return {
kind: parts[0],
port: parseInt(parts[1], 10),
protocol: parts[2],
fmt: parts.slice(3).join(' ')
};
};
SDPUtils.parseOLine = function(mediaSection) {
var line = SDPUtils.matchPrefix(mediaSection, 'o=')[0];
var parts = line.substr(2).split(' ');
return {
username: parts[0],
sessionId: parts[1],
sessionVersion: parseInt(parts[2], 10),
netType: parts[3],
addressType: parts[4],
address: parts[5]
};
};
// a very naive interpretation of a valid SDP.
SDPUtils.isValidSDP = function(blob) {
if (typeof blob !== 'string' || blob.length === 0) {
return false;
}
var lines = SDPUtils.splitLines(blob);
for (var i = 0; i < lines.length; i++) {
if (lines[i].length < 2 || lines[i].charAt(1) !== '=') {
return false;
}
// TODO: check the modifier a bit more.
}
return true;
};
// Expose public methods.
if (typeof module === 'object') {
module.exports = SDPUtils;
}
},{}]},{},[1])(1)
});
'use strict';
// Last Updated On: 2019-02-27 10:23:56 AM UTC
// ________________
// DetectRTC v1.3.9
// Open-Sourced: https://github.com/muaz-khan/DetectRTC
// --------------------------------------------------
// Muaz Khan - www.MuazKhan.com
// MIT License - www.WebRTC-Experiment.com/licence
// --------------------------------------------------
(function() {
var browserFakeUserAgent = 'Fake/5.0 (FakeOS) AppleWebKit/123 (KHTML, like Gecko) Fake/12.3.4567.89 Fake/123.45';
var isNodejs = typeof process === 'object' && typeof process.versions === 'object' && process.versions.node && /*node-process*/ !process.browser;
if (isNodejs) {
var version = process.versions.node.toString().replace('v', '');
browserFakeUserAgent = 'Nodejs/' + version + ' (NodeOS) AppleWebKit/' + version + ' (KHTML, like Gecko) Nodejs/' + version + ' Nodejs/' + version
}
(function(that) {
if (typeof window !== 'undefined') {
return;
}
if (typeof window === 'undefined' && typeof global !== 'undefined') {
global.navigator = {
userAgent: browserFakeUserAgent,
getUserMedia: function() {}
};
/*global window:true */
that.window = global;
} else if (typeof window === 'undefined') {
// window = this;
}
if (typeof location === 'undefined') {
/*global location:true */
that.location = {
protocol: 'file:',
href: '',
hash: ''
};
}
if (typeof screen === 'undefined') {
/*global screen:true */
that.screen = {
width: 0,
height: 0
};
}
})(typeof global !== 'undefined' ? global : window);
/*global navigator:true */
var navigator = window.navigator;
if (typeof navigator !== 'undefined') {
if (typeof navigator.webkitGetUserMedia !== 'undefined') {
navigator.getUserMedia = navigator.webkitGetUserMedia;
}
if (typeof navigator.mozGetUserMedia !== 'undefined') {
navigator.getUserMedia = navigator.mozGetUserMedia;
}
} else {
navigator = {
getUserMedia: function() {},
userAgent: browserFakeUserAgent
};
}
var isMobileDevice = !!(/Android|webOS|iPhone|iPad|iPod|BB10|BlackBerry|IEMobile|Opera Mini|Mobile|mobile/i.test(navigator.userAgent || ''));
var isEdge = navigator.userAgent.indexOf('Edge') !== -1 && (!!navigator.msSaveOrOpenBlob || !!navigator.msSaveBlob);
var isOpera = !!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0;
var isFirefox = navigator.userAgent.toLowerCase().indexOf('firefox') > -1 && ('netscape' in window) && / rv:/.test(navigator.userAgent);
var isSafari = /^((?!chrome|android).)*safari/i.test(navigator.userAgent);
var isChrome = !!window.chrome && !isOpera;
var isIE = typeof document !== 'undefined' && !!document.documentMode && !isEdge;
// this one can also be used:
// https://www.websocket.org/js/stuff.js (DetectBrowser.js)
function getBrowserInfo() {
var nVer = navigator.appVersion;
var nAgt = navigator.userAgent;
var browserName = navigator.appName;
var fullVersion = '' + parseFloat(navigator.appVersion);
var majorVersion = parseInt(navigator.appVersion, 10);
var nameOffset, verOffset, ix;
// In Opera, the true version is after 'Opera' or after 'Version'
if (isOpera) {
browserName = 'Opera';
try {
fullVersion = navigator.userAgent.split('OPR/')[1].split(' ')[0];
majorVersion = fullVersion.split('.')[0];
} catch (e) {
fullVersion = '0.0.0.0';
majorVersion = 0;
}
}
// In MSIE version <=10, the true version is after 'MSIE' in userAgent
// In IE 11, look for the string after 'rv:'
else if (isIE) {
verOffset = nAgt.indexOf('rv:');
if (verOffset > 0) { //IE 11
fullVersion = nAgt.substring(verOffset + 3);
} else { //IE 10 or earlier
verOffset = nAgt.indexOf('MSIE');
fullVersion = nAgt.substring(verOffset + 5);
}
browserName = 'IE';
}
// In Chrome, the true version is after 'Chrome'
else if (isChrome) {
verOffset = nAgt.indexOf('Chrome');
browserName = 'Chrome';
fullVersion = nAgt.substring(verOffset + 7);
}
// In Safari, the true version is after 'Safari' or after 'Version'
else if (isSafari) {
// both and safri and chrome has same userAgent
if (nAgt.indexOf('CriOS') !== -1) {
verOffset = nAgt.indexOf('CriOS');
browserName = 'Chrome';
fullVersion = nAgt.substring(verOffset + 6);
} else if (nAgt.indexOf('FxiOS') !== -1) {
verOffset = nAgt.indexOf('FxiOS');
browserName = 'Firefox';
fullVersion = nAgt.substring(verOffset + 6);
} else {
verOffset = nAgt.indexOf('Safari');
browserName = 'Safari';
fullVersion = nAgt.substring(verOffset + 7);
if ((verOffset = nAgt.indexOf('Version')) !== -1) {
fullVersion = nAgt.substring(verOffset + 8);
}
if (navigator.userAgent.indexOf('Version/') !== -1) {
fullVersion = navigator.userAgent.split('Version/')[1].split(' ')[0];
}
}
}
// In Firefox, the true version is after 'Firefox'
else if (isFirefox) {
verOffset = nAgt.indexOf('Firefox');
browserName = 'Firefox';
fullVersion = nAgt.substring(verOffset + 8);
}
// In most other browsers, 'name/version' is at the end of userAgent
else if ((nameOffset = nAgt.lastIndexOf(' ') + 1) < (verOffset = nAgt.lastIndexOf('/'))) {
browserName = nAgt.substring(nameOffset, verOffset);
fullVersion = nAgt.substring(verOffset + 1);
if (browserName.toLowerCase() === browserName.toUpperCase()) {
browserName = navigator.appName;
}
}
if (isEdge) {
browserName = 'Edge';
fullVersion = navigator.userAgent.split('Edge/')[1];
// fullVersion = parseInt(navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)[2], 10).toString();
}
// trim the fullVersion string at semicolon/space/bracket if present
if ((ix = fullVersion.search(/[; \)]/)) !== -1) {
fullVersion = fullVersion.substring(0, ix);
}
majorVersion = parseInt('' + fullVersion, 10);
if (isNaN(majorVersion)) {
fullVersion = '' + parseFloat(navigator.appVersion);
majorVersion = parseInt(navigator.appVersion, 10);
}
return {
fullVersion: fullVersion,
version: majorVersion,
name: browserName,
isPrivateBrowsing: false
};
}
// via: https://gist.github.com/cou929/7973956
function retry(isDone, next) {
var currentTrial = 0,
maxRetry = 50,
interval = 10,
isTimeout = false;
var id = window.setInterval(
function() {
if (isDone()) {
window.clearInterval(id);
next(isTimeout);
}
if (currentTrial++ > maxRetry) {
window.clearInterval(id);
isTimeout = true;
next(isTimeout);
}
},
10
);
}
function isIE10OrLater(userAgent) {
var ua = userAgent.toLowerCase();
if (ua.indexOf('msie') === 0 && ua.indexOf('trident') === 0) {
return false;
}
var match = /(?:msie|rv:)\s?([\d\.]+)/.exec(ua);
if (match && parseInt(match[1], 10) >= 10) {
return true;
}
return false;
}
function detectPrivateMode(callback) {
var isPrivate;
try {
if (window.webkitRequestFileSystem) {
window.webkitRequestFileSystem(
window.TEMPORARY, 1,
function() {
isPrivate = false;
},
function(e) {
isPrivate = true;
}
);
} else if (window.indexedDB && /Firefox/.test(window.navigator.userAgent)) {
var db;
try {
db = window.indexedDB.open('test');
db.onerror = function() {
return true;
};
} catch (e) {
isPrivate = true;
}
if (typeof isPrivate === 'undefined') {
retry(
function isDone() {
return db.readyState === 'done' ? true : false;
},
function next(isTimeout) {
if (!isTimeout) {
isPrivate = db.result ? false : true;
}
}
);
}
} else if (isIE10OrLater(window.navigator.userAgent)) {
isPrivate = false;
try {
if (!window.indexedDB) {
isPrivate = true;
}
} catch (e) {
isPrivate = true;
}
} else if (window.localStorage && /Safari/.test(window.navigator.userAgent)) {
try {
window.localStorage.setItem('test', 1);
} catch (e) {
isPrivate = true;
}
if (typeof isPrivate === 'undefined') {
isPrivate = false;
window.localStorage.removeItem('test');
}
}
} catch (e) {
isPrivate = false;
}
retry(
function isDone() {
return typeof isPrivate !== 'undefined' ? true : false;
},
function next(isTimeout) {
callback(isPrivate);
}
);
}
var isMobile = {
Android: function() {
return navigator.userAgent.match(/Android/i);
},
BlackBerry: function() {
return navigator.userAgent.match(/BlackBerry|BB10/i);
},
iOS: function() {
return navigator.userAgent.match(/iPhone|iPad|iPod/i);
},
Opera: function() {
return navigator.userAgent.match(/Opera Mini/i);
},
Windows: function() {
return navigator.userAgent.match(/IEMobile/i);
},
any: function() {
return (isMobile.Android() || isMobile.BlackBerry() || isMobile.iOS() || isMobile.Opera() || isMobile.Windows());
},
getOsName: function() {
var osName = 'Unknown OS';
if (isMobile.Android()) {
osName = 'Android';
}
if (isMobile.BlackBerry()) {
osName = 'BlackBerry';
}
if (isMobile.iOS()) {
osName = 'iOS';
}
if (isMobile.Opera()) {
osName = 'Opera Mini';
}
if (isMobile.Windows()) {
osName = 'Windows';
}
return osName;
}
};
// via: http://jsfiddle.net/ChristianL/AVyND/
function detectDesktopOS() {
var unknown = '-';
var nVer = navigator.appVersion;
var nAgt = navigator.userAgent;
var os = unknown;
var clientStrings = [{
s: 'Chrome OS',
r: /CrOS/
}, {
s: 'Windows 10',
r: /(Windows 10.0|Windows NT 10.0)/
}, {
s: 'Windows 8.1',
r: /(Windows 8.1|Windows NT 6.3)/
}, {
s: 'Windows 8',
r: /(Windows 8|Windows NT 6.2)/
}, {
s: 'Windows 7',
r: /(Windows 7|Windows NT 6.1)/
}, {
s: 'Windows Vista',
r: /Windows NT 6.0/
}, {
s: 'Windows Server 2003',
r: /Windows NT 5.2/
}, {
s: 'Windows XP',
r: /(Windows NT 5.1|Windows XP)/
}, {
s: 'Windows 2000',
r: /(Windows NT 5.0|Windows 2000)/
}, {
s: 'Windows ME',
r: /(Win 9x 4.90|Windows ME)/
}, {
s: 'Windows 98',
r: /(Windows 98|Win98)/
}, {
s: 'Windows 95',
r: /(Windows 95|Win95|Windows_95)/
}, {
s: 'Windows NT 4.0',
r: /(Windows NT 4.0|WinNT4.0|WinNT|Windows NT)/
}, {
s: 'Windows CE',
r: /Windows CE/
}, {
s: 'Windows 3.11',
r: /Win16/
}, {
s: 'Android',
r: /Android/
}, {
s: 'Open BSD',
r: /OpenBSD/
}, {
s: 'Sun OS',
r: /SunOS/
}, {
s: 'Linux',
r: /(Linux|X11)/
}, {
s: 'iOS',
r: /(iPhone|iPad|iPod)/
}, {
s: 'Mac OS X',
r: /Mac OS X/
}, {
s: 'Mac OS',
r: /(MacPPC|MacIntel|Mac_PowerPC|Macintosh)/
}, {
s: 'QNX',
r: /QNX/
}, {
s: 'UNIX',
r: /UNIX/
}, {
s: 'BeOS',
r: /BeOS/
}, {
s: 'OS/2',
r: /OS\/2/
}, {
s: 'Search Bot',
r: /(nuhk|Googlebot|Yammybot|Openbot|Slurp|MSNBot|Ask Jeeves\/Teoma|ia_archiver)/
}];
for (var i = 0, cs; cs = clientStrings[i]; i++) {
if (cs.r.test(nAgt)) {
os = cs.s;
break;
}
}
var osVersion = unknown;
if (/Windows/.test(os)) {
if (/Windows (.*)/.test(os)) {
osVersion = /Windows (.*)/.exec(os)[1];
}
os = 'Windows';
}
switch (os) {
case 'Mac OS X':
if (/Mac OS X (10[\.\_\d]+)/.test(nAgt)) {
osVersion = /Mac OS X (10[\.\_\d]+)/.exec(nAgt)[1];
}
break;
case 'Android':
if (/Android ([\.\_\d]+)/.test(nAgt)) {
osVersion = /Android ([\.\_\d]+)/.exec(nAgt)[1];
}
break;
case 'iOS':
if (/OS (\d+)_(\d+)_?(\d+)?/.test(nAgt)) {
osVersion = /OS (\d+)_(\d+)_?(\d+)?/.exec(nVer);
osVersion = osVersion[1] + '.' + osVersion[2] + '.' + (osVersion[3] | 0);
}
break;
}
return {
osName: os,
osVersion: osVersion
};
}
var osName = 'Unknown OS';
var osVersion = 'Unknown OS Version';
function getAndroidVersion(ua) {
ua = (ua || navigator.userAgent).toLowerCase();
var match = ua.match(/android\s([0-9\.]*)/);
return match ? match[1] : false;
}
var osInfo = detectDesktopOS();
if (osInfo && osInfo.osName && osInfo.osName != '-') {
osName = osInfo.osName;
osVersion = osInfo.osVersion;
} else if (isMobile.any()) {
osName = isMobile.getOsName();
if (osName == 'Android') {
osVersion = getAndroidVersion();
}
}
var isNodejs = typeof process === 'object' && typeof process.versions === 'object' && process.versions.node;
if (osName === 'Unknown OS' && isNodejs) {
osName = 'Nodejs';
osVersion = process.versions.node.toString().replace('v', '');
}
var isCanvasSupportsStreamCapturing = false;
var isVideoSupportsStreamCapturing = false;
['captureStream', 'mozCaptureStream', 'webkitCaptureStream'].forEach(function(item) {
if (typeof document === 'undefined' || typeof document.createElement !== 'function') {
return;
}
if (!isCanvasSupportsStreamCapturing && item in document.createElement('canvas')) {
isCanvasSupportsStreamCapturing = true;
}
if (!isVideoSupportsStreamCapturing && item in document.createElement('video')) {
isVideoSupportsStreamCapturing = true;
}
});
var regexIpv4Local = /^(192\.168\.|169\.254\.|10\.|172\.(1[6-9]|2\d|3[01]))/,
regexIpv4 = /([0-9]{1,3}(\.[0-9]{1,3}){3})/,
regexIpv6 = /[a-f0-9]{1,4}(:[a-f0-9]{1,4}){7}/;
// via: https://github.com/diafygi/webrtc-ips
function DetectLocalIPAddress(callback, stream) {
if (!DetectRTC.isWebRTCSupported) {
return;
}
var isPublic = true,
isIpv4 = true;
getIPs(function(ip) {
if (!ip) {
callback(); // Pass nothing to tell that ICE-gathering-ended
} else if (ip.match(regexIpv4Local)) {
isPublic = false;
callback('Local: ' + ip, isPublic, isIpv4);
} else if (ip.match(regexIpv6)) { //via https://ourcodeworld.com/articles/read/257/how-to-get-the-client-ip-address-with-javascript-only
isIpv4 = false;
callback('Public: ' + ip, isPublic, isIpv4);
} else {
callback('Public: ' + ip, isPublic, isIpv4);
}
}, stream);
}
function getIPs(callback, stream) {
if (typeof document === 'undefined' || typeof document.getElementById !== 'function') {
return;
}
var ipDuplicates = {};
var RTCPeerConnection = window.RTCPeerConnection || window.mozRTCPeerConnection || window.webkitRTCPeerConnection;
if (!RTCPeerConnection) {
var iframe = document.getElementById('iframe');
if (!iframe) {
return;
}
var win = iframe.contentWindow;
RTCPeerConnection = win.RTCPeerConnection || win.mozRTCPeerConnection || win.webkitRTCPeerConnection;
}
if (!RTCPeerConnection) {
return;
}
var peerConfig = null;
if (DetectRTC.browser === 'Chrome' && DetectRTC.browser.version < 58) {
// todo: add support for older Opera
peerConfig = {
optional: [{
RtpDataChannels: true
}]
};
}
var servers = {
iceServers: [{
urls: 'stun:stun.l.google.com:19302'
}]
};
var pc = new RTCPeerConnection(servers, peerConfig);
if (stream) {
if (pc.addStream) {
pc.addStream(stream);
} else if (pc.addTrack && stream.getTracks()[0]) {
pc.addTrack(stream.getTracks()[0], stream);
}
}
function handleCandidate(candidate) {
if (!candidate) {
callback(); // Pass nothing to tell that ICE-gathering-ended
return;
}
var match = regexIpv4.exec(candidate);
if (!match) {
return;
}
var ipAddress = match[1];
var isPublic = (candidate.match(regexIpv4Local)),
isIpv4 = true;
if (ipDuplicates[ipAddress] === undefined) {
callback(ipAddress, isPublic, isIpv4);
}
ipDuplicates[ipAddress] = true;
}
// listen for candidate events
pc.onicecandidate = function(event) {
if (event.candidate && event.candidate.candidate) {
handleCandidate(event.candidate.candidate);
} else {
handleCandidate(); // Pass nothing to tell that ICE-gathering-ended
}
};
// create data channel
if (!stream) {
try {
pc.createDataChannel('sctp', {});
} catch (e) {}
}
// create an offer sdp
if (DetectRTC.isPromisesSupported) {
pc.createOffer().then(function(result) {
pc.setLocalDescription(result).then(afterCreateOffer);
});
} else {
pc.createOffer(function(result) {
pc.setLocalDescription(result, afterCreateOffer, function() {});
}, function() {});
}
function afterCreateOffer() {
var lines = pc.localDescription.sdp.split('\n');
lines.forEach(function(line) {
if (line && line.indexOf('a=candidate:') === 0) {
handleCandidate(line);
}
});
}
}
var MediaDevices = [];
var audioInputDevices = [];
var audioOutputDevices = [];
var videoInputDevices = [];
if (navigator.mediaDevices && navigator.mediaDevices.enumerateDevices) {
// Firefox 38+ seems having support of enumerateDevices
// Thanks @xdumaine/enumerateDevices
navigator.enumerateDevices = function(callback) {
var enumerateDevices = navigator.mediaDevices.enumerateDevices();
if (enumerateDevices && enumerateDevices.then) {
navigator.mediaDevices.enumerateDevices().then(callback).catch(function() {
callback([]);
});
} else {
callback([]);
}
};
}
// Media Devices detection
var canEnumerate = false;
/*global MediaStreamTrack:true */
if (typeof MediaStreamTrack !== 'undefined' && 'getSources' in MediaStreamTrack) {
canEnumerate = true;
} else if (navigator.mediaDevices && !!navigator.mediaDevices.enumerateDevices) {
canEnumerate = true;
}
var hasMicrophone = false;
var hasSpeakers = false;
var hasWebcam = false;
var isWebsiteHasMicrophonePermissions = false;
var isWebsiteHasWebcamPermissions = false;
// http://dev.w3.org/2011/webrtc/editor/getusermedia.html#mediadevices
function checkDeviceSupport(callback) {
if (!canEnumerate) {
if (callback) {
callback();
}
return;
}
if (!navigator.enumerateDevices && window.MediaStreamTrack && window.MediaStreamTrack.getSources) {
navigator.enumerateDevices = window.MediaStreamTrack.getSources.bind(window.MediaStreamTrack);
}
if (!navigator.enumerateDevices && navigator.enumerateDevices) {
navigator.enumerateDevices = navigator.enumerateDevices.bind(navigator);
}
if (!navigator.enumerateDevices) {
if (callback) {
callback();
}
return;
}
MediaDevices = [];
audioInputDevices = [];
audioOutputDevices = [];
videoInputDevices = [];
hasMicrophone = false;
hasSpeakers = false;
hasWebcam = false;
isWebsiteHasMicrophonePermissions = false;
isWebsiteHasWebcamPermissions = false;
// to prevent duplication
var alreadyUsedDevices = {};
navigator.enumerateDevices(function(devices) {
devices.forEach(function(_device) {
var device = {};
for (var d in _device) {
try {
if (typeof _device[d] !== 'function') {
device[d] = _device[d];
}
} catch (e) {}
}
if (alreadyUsedDevices[device.deviceId + device.label + device.kind]) {
return;
}
// if it is MediaStreamTrack.getSources
if (device.kind === 'audio') {
device.kind = 'audioinput';
}
if (device.kind === 'video') {
device.kind = 'videoinput';
}
if (!device.deviceId) {
device.deviceId = device.id;
}
if (!device.id) {
device.id = device.deviceId;
}
if (!device.label) {
device.isCustomLabel = true;
if (device.kind === 'videoinput') {
device.label = 'Camera ' + (videoInputDevices.length + 1);
} else if (device.kind === 'audioinput') {
device.label = 'Microphone ' + (audioInputDevices.length + 1);
} else if (device.kind === 'audiooutput') {
device.label = 'Speaker ' + (audioOutputDevices.length + 1);
} else {
device.label = 'Please invoke getUserMedia once.';
}
if (typeof DetectRTC !== 'undefined' && DetectRTC.browser.isChrome && DetectRTC.browser.version >= 46 && !/^(https:|chrome-extension:)$/g.test(location.protocol || '')) {
if (typeof document !== 'undefined' && typeof document.domain === 'string' && document.domain.search && document.domain.search(/localhost|127.0./g) === -1) {
device.label = 'HTTPs is required to get label of this ' + device.kind + ' device.';
}
}
} else {
// Firefox on Android still returns empty label
if (device.kind === 'videoinput' && !isWebsiteHasWebcamPermissions) {
isWebsiteHasWebcamPermissions = true;
}
if (device.kind === 'audioinput' && !isWebsiteHasMicrophonePermissions) {
isWebsiteHasMicrophonePermissions = true;
}
}
if (device.kind === 'audioinput') {
hasMicrophone = true;
if (audioInputDevices.indexOf(device) === -1) {
audioInputDevices.push(device);
}
}
if (device.kind === 'audiooutput') {
hasSpeakers = true;
if (audioOutputDevices.indexOf(device) === -1) {
audioOutputDevices.push(device);
}
}
if (device.kind === 'videoinput') {
hasWebcam = true;
if (videoInputDevices.indexOf(device) === -1) {
videoInputDevices.push(device);
}
}
// there is no 'videoouput' in the spec.
MediaDevices.push(device);
alreadyUsedDevices[device.deviceId + device.label + device.kind] = device;
});
if (typeof DetectRTC !== 'undefined') {
// to sync latest outputs
DetectRTC.MediaDevices = MediaDevices;
DetectRTC.hasMicrophone = hasMicrophone;
DetectRTC.hasSpeakers = hasSpeakers;
DetectRTC.hasWebcam = hasWebcam;
DetectRTC.isWebsiteHasWebcamPermissions = isWebsiteHasWebcamPermissions;
DetectRTC.isWebsiteHasMicrophonePermissions = isWebsiteHasMicrophonePermissions;
DetectRTC.audioInputDevices = audioInputDevices;
DetectRTC.audioOutputDevices = audioOutputDevices;
DetectRTC.videoInputDevices = videoInputDevices;
}
if (callback) {
callback();
}
});
}
var DetectRTC = window.DetectRTC || {};
// ----------
// DetectRTC.browser.name || DetectRTC.browser.version || DetectRTC.browser.fullVersion
DetectRTC.browser = getBrowserInfo();
detectPrivateMode(function(isPrivateBrowsing) {
DetectRTC.browser.isPrivateBrowsing = !!isPrivateBrowsing;
});
// DetectRTC.isChrome || DetectRTC.isFirefox || DetectRTC.isEdge
DetectRTC.browser['is' + DetectRTC.browser.name] = true;
// -----------
DetectRTC.osName = osName;
DetectRTC.osVersion = osVersion;
var isNodeWebkit = typeof process === 'object' && typeof process.versions === 'object' && process.versions['node-webkit'];
// --------- Detect if system supports WebRTC 1.0 or WebRTC 1.1.
var isWebRTCSupported = false;
['RTCPeerConnection', 'webkitRTCPeerConnection', 'mozRTCPeerConnection', 'RTCIceGatherer'].forEach(function(item) {
if (isWebRTCSupported) {
return;
}
if (item in window) {
isWebRTCSupported = true;
}
});
DetectRTC.isWebRTCSupported = isWebRTCSupported;
//-------
DetectRTC.isORTCSupported = typeof RTCIceGatherer !== 'undefined';
// --------- Detect if system supports screen capturing API
var isScreenCapturingSupported = false;
if (DetectRTC.browser.isChrome && DetectRTC.browser.version >= 35) {
isScreenCapturingSupported = true;
} else if (DetectRTC.browser.isFirefox && DetectRTC.browser.version >= 34) {
isScreenCapturingSupported = true;
} else if (DetectRTC.browser.isEdge && DetectRTC.browser.version >= 17) {
isScreenCapturingSupported = true;
} else if (DetectRTC.osName === 'Android' && DetectRTC.browser.isChrome) {
isScreenCapturingSupported = true;
}
if (!!navigator.getDisplayMedia || (navigator.mediaDevices && navigator.mediaDevices.getDisplayMedia)) {
isScreenCapturingSupported = true;
}
if (!/^(https:|chrome-extension:)$/g.test(location.protocol || '')) {
var isNonLocalHost = typeof document !== 'undefined' && typeof document.domain === 'string' && document.domain.search && document.domain.search(/localhost|127.0./g) === -1;
if (isNonLocalHost && (DetectRTC.browser.isChrome || DetectRTC.browser.isEdge || DetectRTC.browser.isOpera)) {
isScreenCapturingSupported = false;
} else if (DetectRTC.browser.isFirefox) {
isScreenCapturingSupported = false;
}
}
DetectRTC.isScreenCapturingSupported = isScreenCapturingSupported;
// --------- Detect if WebAudio API are supported
var webAudio = {
isSupported: false,
isCreateMediaStreamSourceSupported: false
};
['AudioContext', 'webkitAudioContext', 'mozAudioContext', 'msAudioContext'].forEach(function(item) {
if (webAudio.isSupported) {
return;
}
if (item in window) {
webAudio.isSupported = true;
if (window[item] && 'createMediaStreamSource' in window[item].prototype) {
webAudio.isCreateMediaStreamSourceSupported = true;
}
}
});
DetectRTC.isAudioContextSupported = webAudio.isSupported;
DetectRTC.isCreateMediaStreamSourceSupported = webAudio.isCreateMediaStreamSourceSupported;
// ---------- Detect if SCTP/RTP channels are supported.
var isRtpDataChannelsSupported = false;
if (DetectRTC.browser.isChrome && DetectRTC.browser.version > 31) {
isRtpDataChannelsSupported = true;
}
DetectRTC.isRtpDataChannelsSupported = isRtpDataChannelsSupported;
var isSCTPSupportd = false;
if (DetectRTC.browser.isFirefox && DetectRTC.browser.version > 28) {
isSCTPSupportd = true;
} else if (DetectRTC.browser.isChrome && DetectRTC.browser.version > 25) {
isSCTPSupportd = true;
} else if (DetectRTC.browser.isOpera && DetectRTC.browser.version >= 11) {
isSCTPSupportd = true;
}
DetectRTC.isSctpDataChannelsSupported = isSCTPSupportd;
// ---------
DetectRTC.isMobileDevice = isMobileDevice; // "isMobileDevice" boolean is defined in "getBrowserInfo.js"
// ------
var isGetUserMediaSupported = false;
if (navigator.getUserMedia) {
isGetUserMediaSupported = true;
} else if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {
isGetUserMediaSupported = true;
}
if (DetectRTC.browser.isChrome && DetectRTC.browser.version >= 46 && !/^(https:|chrome-extension:)$/g.test(location.protocol || '')) {
if (typeof document !== 'undefined' && typeof document.domain === 'string' && document.domain.search && document.domain.search(/localhost|127.0./g) === -1) {
isGetUserMediaSupported = 'Requires HTTPs';
}
}
if (DetectRTC.osName === 'Nodejs') {
isGetUserMediaSupported = false;
}
DetectRTC.isGetUserMediaSupported = isGetUserMediaSupported;
var displayResolution = '';
if (screen.width) {
var width = (screen.width) ? screen.width : '';
var height = (screen.height) ? screen.height : '';
displayResolution += '' + width + ' x ' + height;
}
DetectRTC.displayResolution = displayResolution;
function getAspectRatio(w, h) {
function gcd(a, b) {
return (b == 0) ? a : gcd(b, a % b);
}
var r = gcd(w, h);
return (w / r) / (h / r);
}
DetectRTC.displayAspectRatio = getAspectRatio(screen.width, screen.height).toFixed(2);
// ----------
DetectRTC.isCanvasSupportsStreamCapturing = isCanvasSupportsStreamCapturing;
DetectRTC.isVideoSupportsStreamCapturing = isVideoSupportsStreamCapturing;
if (DetectRTC.browser.name == 'Chrome' && DetectRTC.browser.version >= 53) {
if (!DetectRTC.isCanvasSupportsStreamCapturing) {
DetectRTC.isCanvasSupportsStreamCapturing = 'Requires chrome flag: enable-experimental-web-platform-features';
}
if (!DetectRTC.isVideoSupportsStreamCapturing) {
DetectRTC.isVideoSupportsStreamCapturing = 'Requires chrome flag: enable-experimental-web-platform-features';
}
}
// ------
DetectRTC.DetectLocalIPAddress = DetectLocalIPAddress;
DetectRTC.isWebSocketsSupported = 'WebSocket' in window && 2 === window.WebSocket.CLOSING;
DetectRTC.isWebSocketsBlocked = !DetectRTC.isWebSocketsSupported;
if (DetectRTC.osName === 'Nodejs') {
DetectRTC.isWebSocketsSupported = true;
DetectRTC.isWebSocketsBlocked = false;
}
DetectRTC.checkWebSocketsSupport = function(callback) {
callback = callback || function() {};
try {
var starttime;
var websocket = new WebSocket('wss://echo.websocket.org:443/');
websocket.onopen = function() {
DetectRTC.isWebSocketsBlocked = false;
starttime = (new Date).getTime();
websocket.send('ping');
};
websocket.onmessage = function() {
DetectRTC.WebsocketLatency = (new Date).getTime() - starttime + 'ms';
callback();
websocket.close();
websocket = null;
};
websocket.onerror = function() {
DetectRTC.isWebSocketsBlocked = true;
callback();
};
} catch (e) {
DetectRTC.isWebSocketsBlocked = true;
callback();
}
};
// -------
DetectRTC.load = function(callback) {
callback = callback || function() {};
checkDeviceSupport(callback);
};
// check for microphone/camera support!
if (typeof checkDeviceSupport === 'function') {
// checkDeviceSupport();
}
if (typeof MediaDevices !== 'undefined') {
DetectRTC.MediaDevices = MediaDevices;
} else {
DetectRTC.MediaDevices = [];
}
DetectRTC.hasMicrophone = hasMicrophone;
DetectRTC.hasSpeakers = hasSpeakers;
DetectRTC.hasWebcam = hasWebcam;
DetectRTC.isWebsiteHasWebcamPermissions = isWebsiteHasWebcamPermissions;
DetectRTC.isWebsiteHasMicrophonePermissions = isWebsiteHasMicrophonePermissions;
DetectRTC.audioInputDevices = audioInputDevices;
DetectRTC.audioOutputDevices = audioOutputDevices;
DetectRTC.videoInputDevices = videoInputDevices;
// ------
var isSetSinkIdSupported = false;
if (typeof document !== 'undefined' && typeof document.createElement === 'function' && 'setSinkId' in document.createElement('video')) {
isSetSinkIdSupported = true;
}
DetectRTC.isSetSinkIdSupported = isSetSinkIdSupported;
// -----
var isRTPSenderReplaceTracksSupported = false;
if (DetectRTC.browser.isFirefox && typeof mozRTCPeerConnection !== 'undefined' /*&& DetectRTC.browser.version > 39*/ ) {
/*global mozRTCPeerConnection:true */
if ('getSenders' in mozRTCPeerConnection.prototype) {
isRTPSenderReplaceTracksSupported = true;
}
} else if (DetectRTC.browser.isChrome && typeof webkitRTCPeerConnection !== 'undefined') {
/*global webkitRTCPeerConnection:true */
if ('getSenders' in webkitRTCPeerConnection.prototype) {
isRTPSenderReplaceTracksSupported = true;
}
}
DetectRTC.isRTPSenderReplaceTracksSupported = isRTPSenderReplaceTracksSupported;
//------
var isRemoteStreamProcessingSupported = false;
if (DetectRTC.browser.isFirefox && DetectRTC.browser.version > 38) {
isRemoteStreamProcessingSupported = true;
}
DetectRTC.isRemoteStreamProcessingSupported = isRemoteStreamProcessingSupported;
//-------
var isApplyConstraintsSupported = false;
/*global MediaStreamTrack:true */
if (typeof MediaStreamTrack !== 'undefined' && 'applyConstraints' in MediaStreamTrack.prototype) {
isApplyConstraintsSupported = true;
}
DetectRTC.isApplyConstraintsSupported = isApplyConstraintsSupported;
//-------
var isMultiMonitorScreenCapturingSupported = false;
if (DetectRTC.browser.isFirefox && DetectRTC.browser.version >= 43) {
// version 43 merely supports platforms for multi-monitors
// version 44 will support exact multi-monitor selection i.e. you can select any monitor for screen capturing.
isMultiMonitorScreenCapturingSupported = true;
}
DetectRTC.isMultiMonitorScreenCapturingSupported = isMultiMonitorScreenCapturingSupported;
DetectRTC.isPromisesSupported = !!('Promise' in window);
// version is generated by "grunt"
DetectRTC.version = '1.3.9';
if (typeof DetectRTC === 'undefined') {
window.DetectRTC = {};
}
var MediaStream = window.MediaStream;
if (typeof MediaStream === 'undefined' && typeof webkitMediaStream !== 'undefined') {
MediaStream = webkitMediaStream;
}
if (typeof MediaStream !== 'undefined' && typeof MediaStream === 'function') {
DetectRTC.MediaStream = Object.keys(MediaStream.prototype);
} else DetectRTC.MediaStream = false;
if (typeof MediaStreamTrack !== 'undefined') {
DetectRTC.MediaStreamTrack = Object.keys(MediaStreamTrack.prototype);
} else DetectRTC.MediaStreamTrack = false;
var RTCPeerConnection = window.RTCPeerConnection || window.mozRTCPeerConnection || window.webkitRTCPeerConnection;
if (typeof RTCPeerConnection !== 'undefined') {
DetectRTC.RTCPeerConnection = Object.keys(RTCPeerConnection.prototype);
} else DetectRTC.RTCPeerConnection = false;
window.DetectRTC = DetectRTC;
if (typeof module !== 'undefined' /* && !!module.exports*/ ) {
module.exports = DetectRTC;
}
if (typeof define === 'function' && define.amd) {
define('DetectRTC', [], function() {
return DetectRTC;
});
}
})();