RTCPeerConnection-capture-video.https.html

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This test has a WPT meta file that disables it given conditions:
- : true
This WPT test may be referenced by the following Test IDs:
- /webrtc/RTCPeerConnection-capture-video.https.html - WPT Dashboard Interop Dashboard

<!doctype html>

<html>

<head>

<meta charset=utf-8>

<meta name="timeout" content="long">

<script src=/resources/testharness.js></script>

<script src=/resources/testharnessreport.js></script>

<script src="RTCPeerConnection-helper.js"></script>

</head>

<body>

<script>

  'use strict';

// This test checks that <video> capture works via PeerConnection.

promise_test(async t => {

  const sourceVideo = document.createElement('video');

  sourceVideo.src = "/media/test-v-128k-320x240-24fps-8kfr.webm";

  sourceVideo.loop = true;

  const onCanPlay = new Promise(r => sourceVideo.oncanplay = r);

  await onCanPlay;

  const pc1 = new RTCPeerConnection();

  t.add_cleanup(() => pc1.close());

  const pc2 = new RTCPeerConnection();

  t.add_cleanup(() => pc2.close());

  // Attach video to pc1.

  const stream = sourceVideo.captureStream();

  const tracks = stream.getTracks();

  pc1.addTrack(tracks[0]);

  const destVideo = document.createElement('video');

  destVideo.autoplay = true;

  // Setup pc1->pc2.

  const haveTrackEvent1 = new Promise(r => pc2.ontrack = r);

  exchangeIceCandidates(pc1, pc2);

  await pc1.setLocalDescription();

  await pc2.setRemoteDescription(pc1.localDescription);

  await pc2.setLocalDescription();

  await pc1.setRemoteDescription(pc2.localDescription);

  // Display pc2 received track in video element.

  const onLoadedMetadata = new Promise(r => destVideo.onloadedmetadata = r);

  destVideo.srcObject = new MediaStream([(await haveTrackEvent1).track]);

  // Start playback and wait for video on the other side.

  sourceVideo.play();

  await onLoadedMetadata;

  // Wait until the video has non-zero resolution and some non-black pixels.

  await new Promise(p => {

    function checkColor()  {

        if (destVideo.videoWidth > 0 && getVideoSignal(destVideo) > 0.0)

          p();

        else

          t.step_timeout(checkColor, 0);

    checkColor();

});

  // Uses Helper.js GetVideoSignal to query |destVideo| pixel value at a certain position.

  const pixelValue = getVideoSignal(destVideo);

  // Anything non-black means that capture works.

  assert_not_equals(pixelValue, 0);

  }, "Capturing a video element and sending it via PeerConnection");

</script>

</body>

</html>