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@ -30,6 +30,8 @@ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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*/ |
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'use strict'; |
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var getUserMedia = null; |
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var getUserMedia = null; |
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var attachMediaStream = null; |
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var attachMediaStream = null; |
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var reattachMediaStream = null; |
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var reattachMediaStream = null; |
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@ -39,24 +41,79 @@ var webrtcMinimumVersion = null; |
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var webrtcUtils = { |
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var webrtcUtils = { |
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log: function() { |
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log: function() { |
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// suppress console.log output when being included as a module.
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// suppress console.log output when being included as a module.
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if (!(typeof module !== 'undefined' || |
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if (typeof module !== 'undefined' || |
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typeof require === 'function') && (typeof define === 'function')) { |
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typeof require === 'function' && typeof define === 'function') { |
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console.log.apply(console, arguments); |
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return; |
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} |
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} |
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console.log.apply(console, arguments); |
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}, |
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extractVersion: function(uastring, expr, pos) { |
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var match = uastring.match(expr); |
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return match && match.length >= pos && parseInt(match[pos], 10); |
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} |
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}; |
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/* |
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function trace(text) { |
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// This function is used for logging.
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if (text[text.length - 1] === '\n') { |
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text = text.substring(0, text.length - 1); |
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} |
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if (window.performance) { |
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var now = (window.performance.now() / 1000).toFixed(3); |
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webrtcUtils.log(now + ': ' + text); |
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} else { |
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webrtcUtils.log(text); |
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} |
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} |
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*/ |
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if (typeof window === 'object') { |
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if (window.HTMLMediaElement && |
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!('srcObject' in window.HTMLMediaElement.prototype)) { |
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// Shim the srcObject property, once, when HTMLMediaElement is found.
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Object.defineProperty(window.HTMLMediaElement.prototype, 'srcObject', { |
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get: function() { |
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// If prefixed srcObject property exists, return it.
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// Otherwise use the shimmed property, _srcObject
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return 'mozSrcObject' in this ? this.mozSrcObject : this._srcObject; |
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}, |
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set: function(stream) { |
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if ('mozSrcObject' in this) { |
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this.mozSrcObject = stream; |
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} else { |
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// Use _srcObject as a private property for this shim
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this._srcObject = stream; |
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// TODO: revokeObjectUrl(this.src) when !stream to release resources?
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this.src = URL.createObjectURL(stream); |
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} |
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} |
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}); |
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} |
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} |
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// Proxy existing globals
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getUserMedia = window.navigator && window.navigator.getUserMedia; |
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} |
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// Attach a media stream to an element.
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attachMediaStream = function(element, stream) { |
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element.srcObject = stream; |
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}; |
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reattachMediaStream = function(to, from) { |
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to.srcObject = from.srcObject; |
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}; |
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}; |
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if (typeof window === 'undefined' || !window.navigator) { |
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if (typeof window === 'undefined' || !window.navigator) { |
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webrtcUtils.log('This does not appear to be a browser'); |
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webrtcUtils.log('This does not appear to be a browser'); |
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webrtcDetectedBrowser = 'not a browser'; |
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webrtcDetectedBrowser = 'not a browser'; |
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} else if (navigator.mozGetUserMedia) { |
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} else if (navigator.mozGetUserMedia && window.mozRTCPeerConnection) { |
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webrtcUtils.log('This appears to be Firefox'); |
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webrtcUtils.log('This appears to be Firefox'); |
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webrtcDetectedBrowser = 'firefox'; |
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webrtcDetectedBrowser = 'firefox'; |
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// the detected firefox version.
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// the detected firefox version.
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webrtcDetectedVersion = |
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webrtcDetectedVersion = webrtcUtils.extractVersion(navigator.userAgent, |
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parseInt(navigator.userAgent.match(/Firefox\/([0-9]+)\./)[1], 10); |
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/Firefox\/([0-9]+)\./, 1); |
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// the minimum firefox version still supported by adapter.
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// the minimum firefox version still supported by adapter.
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webrtcMinimumVersion = 31; |
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webrtcMinimumVersion = 31; |
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@ -88,14 +145,18 @@ if (typeof window === 'undefined' || !window.navigator) { |
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pcConfig.iceServers = newIceServers; |
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pcConfig.iceServers = newIceServers; |
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} |
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} |
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} |
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} |
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return new mozRTCPeerConnection(pcConfig, pcConstraints); |
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return new mozRTCPeerConnection(pcConfig, pcConstraints); // jscs:ignore requireCapitalizedConstructors
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}; |
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}; |
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// The RTCSessionDescription object.
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// The RTCSessionDescription object.
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window.RTCSessionDescription = mozRTCSessionDescription; |
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if (!window.RTCSessionDescription) { |
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window.RTCSessionDescription = mozRTCSessionDescription; |
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} |
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// The RTCIceCandidate object.
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// The RTCIceCandidate object.
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window.RTCIceCandidate = mozRTCIceCandidate; |
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if (!window.RTCIceCandidate) { |
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window.RTCIceCandidate = mozRTCIceCandidate; |
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} |
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// getUserMedia constraints shim.
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// getUserMedia constraints shim.
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getUserMedia = function(constraints, onSuccess, onError) { |
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getUserMedia = function(constraints, onSuccess, onError) { |
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@ -168,8 +229,8 @@ if (typeof window === 'undefined' || !window.navigator) { |
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navigator.mediaDevices.enumerateDevices || function() { |
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navigator.mediaDevices.enumerateDevices || function() { |
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return new Promise(function(resolve) { |
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return new Promise(function(resolve) { |
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var infos = [ |
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var infos = [ |
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{kind: 'audioinput', deviceId: 'default', label:'', groupId:''}, |
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{kind: 'audioinput', deviceId: 'default', label: '', groupId: ''}, |
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{kind: 'videoinput', deviceId: 'default', label:'', groupId:''} |
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{kind: 'videoinput', deviceId: 'default', label: '', groupId: ''} |
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]; |
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]; |
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resolve(infos); |
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resolve(infos); |
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}); |
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}); |
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@ -180,7 +241,7 @@ if (typeof window === 'undefined' || !window.navigator) { |
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var orgEnumerateDevices = |
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var orgEnumerateDevices = |
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navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices); |
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navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices); |
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navigator.mediaDevices.enumerateDevices = function() { |
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navigator.mediaDevices.enumerateDevices = function() { |
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return orgEnumerateDevices().catch(function(e) { |
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return orgEnumerateDevices().then(undefined, function(e) { |
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if (e.name === 'NotFoundError') { |
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if (e.name === 'NotFoundError') { |
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return []; |
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return []; |
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} |
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} |
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@ -188,30 +249,27 @@ if (typeof window === 'undefined' || !window.navigator) { |
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}); |
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}); |
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}; |
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}; |
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} |
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} |
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// Attach a media stream to an element.
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} else if (navigator.webkitGetUserMedia && window.webkitRTCPeerConnection) { |
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attachMediaStream = function(element, stream) { |
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element.mozSrcObject = stream; |
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}; |
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reattachMediaStream = function(to, from) { |
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to.mozSrcObject = from.mozSrcObject; |
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}; |
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} else if (navigator.webkitGetUserMedia) { |
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webrtcUtils.log('This appears to be Chrome'); |
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webrtcUtils.log('This appears to be Chrome'); |
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webrtcDetectedBrowser = 'chrome'; |
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webrtcDetectedBrowser = 'chrome'; |
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// the detected chrome version.
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// the detected chrome version.
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webrtcDetectedVersion = |
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webrtcDetectedVersion = webrtcUtils.extractVersion(navigator.userAgent, |
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parseInt(navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./)[2], 10); |
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/Chrom(e|ium)\/([0-9]+)\./, 2); |
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// the minimum chrome version still supported by adapter.
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// the minimum chrome version still supported by adapter.
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webrtcMinimumVersion = 38; |
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webrtcMinimumVersion = 38; |
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// The RTCPeerConnection object.
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// The RTCPeerConnection object.
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window.RTCPeerConnection = function(pcConfig, pcConstraints) { |
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window.RTCPeerConnection = function(pcConfig, pcConstraints) { |
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var pc = new webkitRTCPeerConnection(pcConfig, pcConstraints); |
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// Translate iceTransportPolicy to iceTransports,
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// see https://code.google.com/p/webrtc/issues/detail?id=4869
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if (pcConfig && pcConfig.iceTransportPolicy) { |
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pcConfig.iceTransports = pcConfig.iceTransportPolicy; |
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} |
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var pc = new webkitRTCPeerConnection(pcConfig, pcConstraints); // jscs:ignore requireCapitalizedConstructors
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var origGetStats = pc.getStats.bind(pc); |
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var origGetStats = pc.getStats.bind(pc); |
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pc.getStats = function(selector, successCallback, errorCallback) { // jshint ignore: line
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pc.getStats = function(selector, successCallback, errorCallback) { // jshint ignore: line
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var self = this; |
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var self = this; |
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@ -251,7 +309,14 @@ if (typeof window === 'undefined' || !window.navigator) { |
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// promise-support
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// promise-support
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return new Promise(function(resolve, reject) { |
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return new Promise(function(resolve, reject) { |
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origGetStats.apply(self, [resolve, reject]); |
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if (args.length === 1 && selector === null) { |
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origGetStats.apply(self, [ |
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function(response) { |
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resolve.apply(null, [fixChromeStats(response)]); |
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}, reject]); |
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} else { |
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origGetStats.apply(self, [resolve, reject]); |
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} |
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}); |
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}); |
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}; |
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}; |
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@ -417,7 +482,7 @@ if (typeof window === 'undefined' || !window.navigator) { |
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// Attach a media stream to an element.
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// Attach a media stream to an element.
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attachMediaStream = function(element, stream) { |
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attachMediaStream = function(element, stream) { |
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if (typeof element.srcObject !== 'undefined') { |
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if (webrtcDetectedVersion >= 43) { |
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element.srcObject = stream; |
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element.srcObject = stream; |
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} else if (typeof element.src !== 'undefined') { |
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} else if (typeof element.src !== 'undefined') { |
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element.src = URL.createObjectURL(stream); |
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element.src = URL.createObjectURL(stream); |
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@ -425,9 +490,12 @@ if (typeof window === 'undefined' || !window.navigator) { |
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webrtcUtils.log('Error attaching stream to element.'); |
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webrtcUtils.log('Error attaching stream to element.'); |
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} |
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} |
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}; |
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}; |
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reattachMediaStream = function(to, from) { |
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reattachMediaStream = function(to, from) { |
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to.src = from.src; |
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if (webrtcDetectedVersion >= 43) { |
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to.srcObject = from.srcObject; |
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} else { |
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to.src = from.src; |
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} |
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}; |
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}; |
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} else if (navigator.mediaDevices && navigator.userAgent.match( |
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} else if (navigator.mediaDevices && navigator.userAgent.match( |
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@ -435,20 +503,11 @@ if (typeof window === 'undefined' || !window.navigator) { |
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webrtcUtils.log('This appears to be Edge'); |
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webrtcUtils.log('This appears to be Edge'); |
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webrtcDetectedBrowser = 'edge'; |
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webrtcDetectedBrowser = 'edge'; |
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webrtcDetectedVersion = |
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webrtcDetectedVersion = webrtcUtils.extractVersion(navigator.userAgent, |
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parseInt(navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)[2], 10); |
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/Edge\/(\d+).(\d+)$/, 2); |
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// the minimum version still supported by adapter.
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// the minimum version still supported by adapter.
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webrtcMinimumVersion = 12; |
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webrtcMinimumVersion = 12; |
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getUserMedia = navigator.getUserMedia; |
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attachMediaStream = function(element, stream) { |
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element.srcObject = stream; |
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}; |
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reattachMediaStream = function(to, from) { |
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to.srcObject = from.srcObject; |
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}; |
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} else { |
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} else { |
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webrtcUtils.log('Browser does not appear to be WebRTC-capable'); |
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webrtcUtils.log('Browser does not appear to be WebRTC-capable'); |
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} |
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} |
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|
@ -461,26 +520,35 @@ function requestUserMedia(constraints) { |
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} |
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} |
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var webrtcTesting = {}; |
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var webrtcTesting = {}; |
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Object.defineProperty(webrtcTesting, 'version', { |
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try { |
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set: function(version) { |
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Object.defineProperty(webrtcTesting, 'version', { |
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webrtcDetectedVersion = version; |
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set: function(version) { |
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} |
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webrtcDetectedVersion = version; |
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}); |
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} |
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}); |
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} catch (e) {} |
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if (typeof module !== 'undefined') { |
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if (typeof module !== 'undefined') { |
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var RTCPeerConnection; |
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var RTCPeerConnection; |
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var RTCIceCandidate; |
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var RTCSessionDescription; |
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if (typeof window !== 'undefined') { |
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if (typeof window !== 'undefined') { |
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RTCPeerConnection = window.RTCPeerConnection; |
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RTCPeerConnection = window.RTCPeerConnection; |
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RTCIceCandidate = window.RTCIceCandidate; |
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RTCSessionDescription = window.RTCSessionDescription; |
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} |
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} |
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module.exports = { |
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module.exports = { |
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RTCPeerConnection: RTCPeerConnection, |
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RTCPeerConnection: RTCPeerConnection, |
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RTCIceCandidate: RTCIceCandidate, |
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RTCSessionDescription: RTCSessionDescription, |
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getUserMedia: getUserMedia, |
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getUserMedia: getUserMedia, |
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attachMediaStream: attachMediaStream, |
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attachMediaStream: attachMediaStream, |
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reattachMediaStream: reattachMediaStream, |
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reattachMediaStream: reattachMediaStream, |
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webrtcDetectedBrowser: webrtcDetectedBrowser, |
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webrtcDetectedBrowser: webrtcDetectedBrowser, |
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webrtcDetectedVersion: webrtcDetectedVersion, |
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webrtcDetectedVersion: webrtcDetectedVersion, |
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webrtcMinimumVersion: webrtcMinimumVersion, |
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webrtcMinimumVersion: webrtcMinimumVersion, |
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webrtcTesting: webrtcTesting |
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webrtcTesting: webrtcTesting, |
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|
webrtcUtils: webrtcUtils |
|
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|
//requestUserMedia: not exposed on purpose.
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//requestUserMedia: not exposed on purpose.
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//trace: not exposed on purpose.
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//trace: not exposed on purpose.
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}; |
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}; |
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@ -489,13 +557,16 @@ if (typeof module !== 'undefined') { |
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define([], function() { |
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define([], function() { |
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|
return { |
|
|
|
return { |
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|
RTCPeerConnection: window.RTCPeerConnection, |
|
|
|
RTCPeerConnection: window.RTCPeerConnection, |
|
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|
|
|
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|
RTCIceCandidate: window.RTCIceCandidate, |
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RTCSessionDescription: window.RTCSessionDescription, |
|
|
|
getUserMedia: getUserMedia, |
|
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|
getUserMedia: getUserMedia, |
|
|
|
attachMediaStream: attachMediaStream, |
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|
attachMediaStream: attachMediaStream, |
|
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|
reattachMediaStream: reattachMediaStream, |
|
|
|
reattachMediaStream: reattachMediaStream, |
|
|
|
webrtcDetectedBrowser: webrtcDetectedBrowser, |
|
|
|
webrtcDetectedBrowser: webrtcDetectedBrowser, |
|
|
|
webrtcDetectedVersion: webrtcDetectedVersion, |
|
|
|
webrtcDetectedVersion: webrtcDetectedVersion, |
|
|
|
webrtcMinimumVersion: webrtcMinimumVersion, |
|
|
|
webrtcMinimumVersion: webrtcMinimumVersion, |
|
|
|
webrtcTesting: webrtcTesting |
|
|
|
webrtcTesting: webrtcTesting, |
|
|
|
|
|
|
|
webrtcUtils: webrtcUtils |
|
|
|
//requestUserMedia: not exposed on purpose.
|
|
|
|
//requestUserMedia: not exposed on purpose.
|
|
|
|
//trace: not exposed on purpose.
|
|
|
|
//trace: not exposed on purpose.
|
|
|
|
}; |
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|
|
}; |
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Simon Eisenmann
10 years ago