/* * Copyright (c) 2014 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. */ /* * Copyright (c) 2014 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'; var RTCPeerConnection = null; var getUserMedia = null; var attachMediaStream = null; var reattachMediaStream = null; var webrtcDetectedBrowser = null; var webrtcDetectedVersion = null; function maybeFixConfiguration(pcConfig) { if (!pcConfig) { return; } for (var i = 0; i < pcConfig.iceServers.length; i++) { if (pcConfig.iceServers[i].hasOwnProperty('urls')) { pcConfig.iceServers[i].url = pcConfig.iceServers[i].urls; delete pcConfig.iceServers[i].urls; } } } if (navigator.mozGetUserMedia) { console.log('This appears to be Firefox'); window.webrtcDetectedBrowser = 'firefox'; window.webrtcDetectedVersion = parseInt(navigator.userAgent.match(/Firefox\/([0-9]+)\./)[1], 10); // The RTCPeerConnection object. RTCPeerConnection = function(pcConfig, pcConstraints) { // .urls is not supported in FF yet. maybeFixConfiguration(pcConfig); return new mozRTCPeerConnection(pcConfig, pcConstraints); }; // The RTCSessionDescription object. RTCSessionDescription = mozRTCSessionDescription; // The RTCIceCandidate object. RTCIceCandidate = mozRTCIceCandidate; // Get UserMedia (only difference is the prefix). // Code from Adam Barth. window.getUserMedia = navigator.mozGetUserMedia.bind(navigator); navigator.getUserMedia = getUserMedia; // Creates iceServer from the url for FF. window.createIceServer = function(url, username, password) { var iceServer = null; var urlParts = url.split(':'); if (urlParts[0].indexOf('stun') === 0) { // Create iceServer with stun url. iceServer = { 'url': url }; } else if (urlParts[0].indexOf('turn') === 0) { if (webrtcDetectedVersion < 27) { // Create iceServer with turn url. // Ignore the transport parameter from TURN url for FF version <=27. var turnUrlParts = url.split('?'); // Return null for createIceServer if transport=tcp. if (turnUrlParts.length === 1 || turnUrlParts[1].indexOf('transport=udp') === 0) { iceServer = { 'url': turnUrlParts[0], 'credential': password, 'username': username }; } } else { // FF 27 and above supports transport parameters in TURN url, // So passing in the full url to create iceServer. iceServer = { 'url': url, 'credential': password, 'username': username }; } } return iceServer; }; window.createIceServers = function(urls, username, password) { var iceServers = []; // Use .url for FireFox. for (var i = 0; i < urls.length; i++) { var iceServer = createIceServer(urls[i], username, password); if (iceServer !== null) { iceServers.push(iceServer); } } return iceServers; }; // Attach a media stream to an element. window.attachMediaStream = function(element, stream) { console.log('Attaching media stream'); element.mozSrcObject = stream; element.play(); }; window.reattachMediaStream = function(to, from) { console.log('Reattaching media stream'); to.mozSrcObject = from.mozSrcObject; to.play(); }; } else if (navigator.webkitGetUserMedia) { console.log('This appears to be Chrome'); window.webrtcDetectedBrowser = 'chrome'; // Temporary fix until crbug/374263 is fixed. // Setting Chrome version to 999, if version is unavailable. var result = navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./); if (result !== null) { window.webrtcDetectedVersion = parseInt(result[2], 10); } else { window.webrtcDetectedVersion = 999; } // Creates iceServer from the url for Chrome M33 and earlier. window.createIceServer = function(url, username, password) { var iceServer = null; var urlParts = url.split(':'); if (urlParts[0].indexOf('stun') === 0) { // Create iceServer with stun url. iceServer = { 'url': url }; } else if (urlParts[0].indexOf('turn') === 0) { // Chrome M28 & above uses below TURN format. iceServer = { 'url': url, 'credential': password, 'username': username }; } return iceServer; }; // Creates iceServers from the urls for Chrome M34 and above. window.createIceServers = function(urls, username, password) { var iceServers = []; if (webrtcDetectedVersion >= 34) { // .urls is supported since Chrome M34. iceServers = { 'urls': urls, 'credential': password, 'username': username }; } else { for (var i = 0; i < urls.length; i++) { var iceServer = createIceServer(urls[i], username, password); if (iceServer !== null) { iceServers.push(iceServer); } } } return iceServers; }; // The RTCPeerConnection object. RTCPeerConnection = function(pcConfig, pcConstraints) { // .urls is supported since Chrome M34. if (webrtcDetectedVersion < 34) { maybeFixConfiguration(pcConfig); } return new webkitRTCPeerConnection(pcConfig, pcConstraints); }; // Get UserMedia (only difference is the prefix). // Code from Adam Barth. window.getUserMedia = navigator.webkitGetUserMedia.bind(navigator); navigator.getUserMedia = getUserMedia; // Attach a media stream to an element. window.attachMediaStream = function(element, stream) { if (typeof element.srcObject !== 'undefined') { element.srcObject = stream; } else if (typeof element.mozSrcObject !== 'undefined') { element.mozSrcObject = stream; } else if (typeof element.src !== 'undefined') { element.src = URL.createObjectURL(stream); } else { console.log('Error attaching stream to element.'); } }; window.reattachMediaStream = function(to, from) { to.src = from.src; }; } else { console.log('Browser does not appear to be WebRTC-capable'); }