script-change-transform.https.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /webrtc-encoded-transform/script-change-transform.https.html - WPT Dashboard Interop Dashboard

<!doctype html>

<html>

    <head>

        <meta charset="utf-8">

<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>

    </head>

    <body>

        <video id="video1" autoplay controls playsinline></video>

        <script src ="routines.js"></script>

        <script>

async function waitForMessage(worker, data)

    while (true) {

        const received = await new Promise(resolve => worker.onmessage = (event) => resolve(event.data));

        if (data === received)

            return;

promise_test(async (test) => {

    worker = new Worker('script-change-transform-worker.js');

    const data = await new Promise(resolve => worker.onmessage = (event) => resolve(event.data));

    assert_equals(data, "registered");

    await setMediaPermission("granted", ["camera"]);

    const localStream = await navigator.mediaDevices.getUserMedia({video: true});

    let sender, receiver;

    const senderTransform1 = new RTCRtpScriptTransform(worker, {name:'sender1'});

    const senderTransform2 = new RTCRtpScriptTransform(worker, {name:'sender2'});

    const receiverTransform = new RTCRtpScriptTransform(worker, {name:'receiver'});

    const stream = await new Promise((resolve, reject) => {

        createConnections(test, (firstConnection) => {

            sender = firstConnection.addTrack(localStream.getVideoTracks()[0], localStream);

            sender.transform = senderTransform1;

        }, (secondConnection) => {

            secondConnection.ontrack = (trackEvent) => {

                receiver = trackEvent.receiver;

                receiver.transform = receiverTransform;

                resolve(trackEvent.streams[0]);

};

});

        test.step_timeout(() => reject("Test timed out"), 5000);

});

    video1.srcObject = stream;

    await video1.play();

    const updatePromise = new Promise(resolve => worker.onmessage = (event) => resolve(event.data));

    sender.transform = senderTransform2;

    assert_equals(await updatePromise, "got value 2");

}, "change sender transform");

        </script>

    </body>

</html>