| <!doctype html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Testing audio/video element playing</title> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <audio id="audio" controls autoplay=""></audio> |
| <video id="video" controls autoplay=""></video> |
| <script> |
| promise_test(async (t) => { |
| const pc1 = new RTCPeerConnection(); |
| const pc2 = new RTCPeerConnection(); |
| t.add_cleanup(() => { |
| pc1.close(); |
| pc2.close(); |
| }); |
| |
| const localStream = await navigator.mediaDevices.getUserMedia({ audio : true }); |
| pc1.addTrack(localStream.getAudioTracks()[0], localStream); |
| pc1.addTransceiver("video", { streams : [localStream] }); |
| |
| let promise = new Promise(resolve => pc2.ontrack = resolve); |
| |
| const offer = await pc1.createOffer(); |
| await pc1.setLocalDescription(offer); |
| |
| await pc2.setRemoteDescription(offer); |
| const answer = await pc2.createAnswer(); |
| await pc2.setLocalDescription(answer); |
| |
| await pc1.setRemoteDescription(answer); |
| |
| // We do not pass any ICE candidate |
| let remoteTrackEvent = await promise; |
| |
| let remoteStream = new MediaStream([remoteTrackEvent.streams[0].getVideoTracks()[0], localStream.getAudioTracks()[0]]); |
| audio.srcObject = remoteStream; |
| video.srcObject = remoteStream; |
| |
| audio.play(); |
| video.play(); |
| |
| let counter = 0; |
| do { |
| await new Promise(resolve => t.step_timeout(resolve, 100)); |
| } while (audio.currentTime === 0 && ++counter < 20) |
| |
| assert_not_equals(audio.currentTime, 0); |
| assert_equals(video.currentTime, 0); |
| }, "Verify that, contrary to video elements, audio elements are playing even if video tracks have not started generated any video frame"); |
| </script> |
| </body> |
| </html> |
