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<!DOCTYPE html>
<html>
<title>Test that video.rVFC callbacks started before an XRSession work.</title>
<body>
</body>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/media.js"></script>
<script src="../webxr/resources/webxr_util.js"></script>
<script src="../webxr/resources/webxr_test_constants.js"></script>
<script>
// Start the video.rVFC callbacks before starting the XR Session.
let video = document.createElement('video');
video.src = getVideoURI('/media/movie_5');
var numberVFCs = 0;
let videoCallback = () => {
numberVFCs++;
video.requestVideoFrameCallback(videoCallback);
}
video.requestVideoFrameCallback(videoCallback);
video.play();
let testFunction = async function(session, fakeDeviceController, t) {
let watcherDone = new Event("watcherdone");
let eventWatcher = new EventWatcher(t, session, ["end", "watcherdone"]);
let eventPromise = eventWatcher.wait_for(["end", "watcherdone"]);
numberVFCs = 0;
function onXRFrame(time, frame) {
if(numberVFCs >= 2) {
// Make sure video.rVFCs are still coming through before ending the
// session.
session.end();
}
session.requestAnimationFrame(onXRFrame);
}
function onSessionEnd(event) {
// Make sure we are still getting rVFC callbacks after the session end.
numberVFCs = 0;
t.step_wait_func(() => numberVFCs >= 2,
() => session.dispatchEvent(watcherDone),
"Time out waiting for VFC callbacks");
}
session.addEventListener("end", onSessionEnd, false);
session.requestAnimationFrame(onXRFrame);
return eventPromise;
}
xr_session_promise_test('Make sure video.rVFC works during a non-immersive session',
testFunction, TRACKED_IMMERSIVE_DEVICE, 'inline');
video.currentTime = 0;
xr_session_promise_test('Make sure video.rVFC works during an immersive session',
testFunction, TRACKED_IMMERSIVE_DEVICE, 'immersive-vr');
</script>
</html>
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