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