MediaRecorder-passthrough.https.html

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This test has a WPT meta file that expects 2 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /mediacapture-record/passthrough/MediaRecorder-passthrough.https.html - WPT Dashboard Interop Dashboard

<!doctype html>

<html>

<head>

  <title>MediaRecorder peer connection</title>

  <link rel="help"

        href="https://w3c.github.io/mediacapture-record/MediaRecorder.html#dom-mediarecorder-mimeType">

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

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

  <script src="/resources/testdriver.js"></script>

  <script src="/resources/testdriver-vendor.js"></script>

  <script src="../../mediacapture-streams/permission-helper.js"></script>

  <script src="../utils/peerconnection.js"></script>

</head>

<body>

  <video id="remote" autoplay width="240"></video>

  <script>

[{kind: "video", audio: false, codecPreference: "VP8", codecRegex: /.*vp8.*/},

 {kind: "audio/video", audio: true, codecPreference: "VP8", codecRegex: /.*vp8.*/},

 {kind: "video", audio: false, codecPreference: "VP9", codecRegex: /.*vp9.*/},

 {kind: "audio/video", audio: true, codecPreference: "VP9", codecRegex: /.*vp9.*/}]

  .forEach(args => {

    promise_test(async t => {

      const [localPc, remotePc, stream] = await startConnection(

          t, args.audio, /*video=*/true, args.codecPreference);

      // Needed for the tests to get exercised in Chrome (bug)

      document.getElementById('remote').srcObject = stream;

      const recorder = new MediaRecorder(stream);  // Passthrough.

      const onstartPromise = new Promise(resolve => {

        recorder.onstart = t.step_func(() => {

          assert_regexp_match(

                recorder.mimeType, args.codecRegex,

                "mimeType is matching " + args.codecPreference +

                " in case of passthrough.");

          resolve();

});

});

      recorder.start();

      await(onstartPromise);

    }, "PeerConnection passthrough MediaRecorder receives " +

          args.codecPreference + " after onstart with a " + args.kind +

          " stream.");

});

promise_test(async t => {

  const [localPc, remotePc, stream, transceivers] = await startConnection(

      t, /*audio=*/false, /*video=*/true, /*videoCodecPreference=*/"VP8");

  // Needed for the tests to get exercised in Chrome (bug)

  document.getElementById('remote').srcObject = stream;

  const recorder = new MediaRecorder(stream);  // Possibly passthrough.

  recorder.start();

  await waitForReceivedFramesOrPackets(t, remotePc, false, true, 10);

  // Switch codec to VP9; we expect onerror to not be invoked.

  recorder.onerror = t.step_func(() => assert_unreached(

      "MediaRecorder should be prepared to handle codec switches"));

  setTransceiverCodecPreference(transceivers.video, "VP9");

  await Promise.all([

    exchangeOfferAnswer(localPc, remotePc),

    waitForReceivedCodec(t, remotePc, "VP9")

]);

}, "PeerConnection passthrough MediaRecorder should be prepared to handle " +

        "the codec switching from VP8 to VP9");

</script>

</body>

</html>