test_peerConnection_replaceNullTrackThenRenegotiateVideo.html (2453B)
1 <!DOCTYPE HTML> 2 <html> 3 <head> 4 <script type="application/javascript" src="pc.js"></script> 5 <script type="application/javascript" src="/tests/dom/canvas/test/captureStream_common.js"></script> 6 <script type="application/javascript" src="simulcast.js"></script></head> 7 <body> 8 <pre id="test"> 9 <script type="application/javascript"> 10 createHTML({ 11 bug: "1763832", 12 title: "Renegotiation (video): Start with no track and recvonly, then replace and set direction to sendrecv, then renegotiate" 13 }); 14 15 runNetworkTest(async () => { 16 await pushPrefs( 17 ['media.video_loopback_dev', ''], 18 ['media.navigator.streams.fake', true]); 19 // [TODO] re-enable HW decoder after bug 1526207 is fixed. 20 if (navigator.userAgent.includes("Android")) { 21 await pushPrefs(["media.navigator.mediadatadecoder_vpx_enabled", false], 22 ["media.webrtc.hw.h264.enabled", false]); 23 } 24 25 const offerer = new RTCPeerConnection(); 26 const answerer = new RTCPeerConnection(); 27 const transceiverSend = offerer.addTransceiver('video', {direction: 'recvonly'}); 28 29 const add = (pc, can, failed) => can && pc.addIceCandidate(can).catch(failed); 30 offerer.onicecandidate = e => add(answerer, e.candidate, generateErrorCallback()); 31 answerer.onicecandidate = e => add(offerer, e.candidate, generateErrorCallback()); 32 33 await offerer.setLocalDescription(); 34 await answerer.setRemoteDescription(offerer.localDescription); 35 await answerer.setLocalDescription(); 36 await offerer.setRemoteDescription(answerer.localDescription); 37 38 // add video with replaceTrack, set send bit, and renegotiate 39 const stream = await navigator.mediaDevices.getUserMedia({video: true}); 40 const [track] = stream.getVideoTracks(); 41 transceiverSend.sender.replaceTrack(track); 42 transceiverSend.direction = "sendrecv"; 43 const metadataToBeLoaded = []; 44 answerer.ontrack = (e) => { 45 metadataToBeLoaded.push(getPlaybackWithLoadedMetadata(e.track)); 46 }; 47 48 await offerer.setLocalDescription(); 49 await answerer.setRemoteDescription(offerer.localDescription); 50 await answerer.setLocalDescription(); 51 await offerer.setRemoteDescription(answerer.localDescription); 52 53 const elems = await Promise.all(metadataToBeLoaded); 54 is(elems.length, 1, "Should have one video element"); 55 56 const helper = new VideoStreamHelper(); 57 await helper.checkVideoPlaying(elems[0]); 58 }); 59 60 </script> 61 </pre> 62 </body> 63 </html>