1var RTCPeerConnection = null; 2var getUserMedia = null; 3var attachMediaStream = null; 4 5if (navigator.mozGetUserMedia) { 6 console.log("This appears to be Firefox"); 7 8 // The RTCPeerConnection object. 9 RTCPeerConnection = mozRTCPeerConnection; 10 11 // Get UserMedia (only difference is the prefix). 12 // Code from Adam Barth. 13 getUserMedia = navigator.mozGetUserMedia.bind(navigator); 14 15 // Attach a media stream to an element. 16 attachMediaStream = function(element, stream) { 17 console.log("Attaching media stream"); 18 element.mozSrcObject = stream; 19 element.play(); 20 }; 21} else if (navigator.webkitGetUserMedia) { 22 console.log("This appears to be Chrome"); 23 24 // The RTCPeerConnection object. 25 RTCPeerConnection = webkitRTCPeerConnection; 26 27 // Get UserMedia (only difference is the prefix). 28 // Code from Adam Barth. 29 getUserMedia = navigator.webkitGetUserMedia.bind(navigator); 30 31 // Attach a media stream to an element. 32 attachMediaStream = function(element, stream) { 33 element.src = webkitURL.createObjectURL(stream); 34 }; 35 36 // The representation of tracks in a stream is changed in M26. 37 // Unify them for earlier Chrome versions in the coexisting period. 38 if (!webkitMediaStream.prototype.getVideoTracks) { 39 webkitMediaStream.prototype.getVideoTracks = function() { 40 return this.videoTracks; 41 } 42 } 43 44 if (!webkitMediaStream.prototype.getAudioTracks) { 45 webkitMediaStream.prototype.getAudioTracks = function() { 46 return this.audioTracks; 47 } 48 } 49} else { 50 console.log("Browser does not appear to be WebRTC-capable"); 51} 52