77ac84814d
Review URL: https://webrtc-codereview.appspot.com/1327007 git-svn-id: http://webrtc.googlecode.com/svn/trunk@3905 4adac7df-926f-26a2-2b94-8c16560cd09d
140 lines
3.8 KiB
HTML
140 lines
3.8 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>PeerConnection PRANSWER Demo</title>
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<!-- Load the polyfill to switch-hit between Chrome and Firefox -->
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<script src="../../base/adapter.js"></script>
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<style>
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video {
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border:5px solid black;
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width:320px;
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height:240px;
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}
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</style>
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</head>
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<body>
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<video id="vid1" autoplay="true" muted="true"></video>
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<video id="vid2" autoplay></video>
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<br>
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<button id="btn1" onclick="start()">Call</button>
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<button id="btn2" onclick="accept()">Accept</button>
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<button id="btn3" onclick="stop()">Hang Up</button>
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<script>
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//var vid1 = document.getElementById("vid1");
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//var vid2 = document.getElementById("vid2");
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btn1.disabled = true;
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btn2.disabled = true;
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btn3.disabled = true;
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var pc1,pc2;
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var localstream;
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var sdpConstraints = {'mandatory': {
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'OfferToReceiveAudio':true,
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'OfferToReceiveVideo':true }};
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function gotStream(stream) {
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trace("Received local stream");
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// Call the polyfill wrapper to attach the media stream to this element.
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attachMediaStream(vid1, stream);
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localstream = stream;
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btn1.disabled = false;
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}
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getUserMedia({audio:true, video:true}, gotStream, function() {});
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function start() {
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btn1.disabled = true;
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btn2.disabled = false;
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btn3.disabled = false;
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trace("Starting Call");
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videoTracks = localstream.getVideoTracks();
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audioTracks = localstream.getAudioTracks();
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if (videoTracks.length > 0)
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trace('Using Video device: ' + videoTracks[0].label);
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if (audioTracks.length > 0)
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trace('Using Audio device: ' + audioTracks[0].label);
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var servers = null;
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pc1 = new RTCPeerConnection(servers);
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trace("Created local peer connection object pc1");
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pc1.onicecandidate = iceCallback1;
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pc2 = new RTCPeerConnection(servers);
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trace("Created remote peer connection object pc2");
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pc2.onicecandidate = iceCallback2;
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pc2.onaddstream = gotRemoteStream;
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pc1.addStream(localstream);
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trace("Adding Local Stream to peer connection");
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pc1.createOffer(gotDescription1);
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}
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function gotDescription1(desc) {
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pc1.setLocalDescription(desc);
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trace("Offer from pc1 \n" + desc.sdp);
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pc2.setRemoteDescription(desc);
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// Since the "remote" side has no media stream we need
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// to pass in the right constraints in order for it to
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// accept the incoming offer of audio and video.
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pc2.createAnswer(gotDescription2, null, sdpConstraints);
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}
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function gotDescription2(desc) {
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// Provisional answer, set a=inactive & set sdp type to pranswer.
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desc.sdp = desc.sdp.replace(/a=recvonly/g, "a=inactive");
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desc.type = "pranswer";
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pc2.setLocalDescription(desc);
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trace("Pranswer from pc2 \n" + desc.sdp);
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pc1.setRemoteDescription(desc);
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}
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function gotDescription3(desc) {
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// Final answer, setting a=recvonly & sdp type to answer.
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desc.sdp = desc.sdp.replace(/a=inactive/g, "a=recvonly");
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desc.type = "answer";
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pc2.setLocalDescription(desc);
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trace("Answer from pc2 \n" + desc.sdp);
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pc1.setRemoteDescription(desc);
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}
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function accept() {
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pc2.createAnswer(gotDescription3, null, sdpConstraints);
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btn2.disabled = true;
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btn1.disabled = false;
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}
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function stop() {
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trace("Ending Call" + "\n\n");
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pc1.close();
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pc2.close();
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pc1=null;
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pc2=null;
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btn2.disabled = true;
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btn1.disabled = false;
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btn3.disabled = true;
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}
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function gotRemoteStream(e) {
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// Call the polyfill wrapper to attach the media stream to this element.
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attachMediaStream(vid2, e.stream);
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trace("Received remote stream");
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}
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function iceCallback1(event) {
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if (event.candidate) {
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pc2.addIceCandidate(new RTCIceCandidate(event.candidate));
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trace("Local ICE candidate: \n" + event.candidate.candidate);
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}
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}
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function iceCallback2(event) {
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if (event.candidate) {
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pc1.addIceCandidate(new RTCIceCandidate(event.candidate));
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trace("Remote ICE candidate: \n " + event.candidate.candidate);
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}
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}
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</script>
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</body>
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</html>
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