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<!DOCTYPE html>
<html>
<head>
<script src='/resources/testharness.js'></script>
<script src='/resources/testharnessreport.js'></script>
<script src='/common/get-host-info.sub.js'></script>
<script src='/webcodecs/utils.js'></script>
</head>
<body>
<script>
const HELPER = '/webcodecs/videoFrame-serialization.crossAgentCluster.helper.html';
const CROSSORIGIN_BASE = get_host_info().HTTPS_NOTSAMESITE_ORIGIN;
const CROSSORIGIN_HELPER = CROSSORIGIN_BASE + HELPER;
promise_test(async () => {
const target = (await appendIframe(CROSSORIGIN_HELPER)).contentWindow;
let frame = createVideoFrame(20);
assert_false(await canSerializeVideoFrame(target, frame));
}, 'Verify frames cannot be passed accross the different agent clusters');
promise_test(async () => {
const target = (await appendIframe(CROSSORIGIN_HELPER)).contentWindow;
let frame = createVideoFrame(80);
assert_false(await canTransferVideoFrame(target, frame));
}, 'Verify frames cannot be transferred accross the different agent clusters');
function appendIframe(src) {
const frame = document.createElement('iframe');
document.body.appendChild(frame);
frame.src = src;
return new Promise(resolve => frame.onload = () => resolve(frame));
};
function createVideoFrame(ts) {
let data = new Uint8Array([
1, 2, 3, 4, 5, 6, 7, 8,
9, 10, 11, 12, 13, 14, 15, 16,
]);
return new VideoFrame(data, {
timestamp: ts,
codedWidth: 2,
codedHeight: 2,
format: 'RGBA',
});
}
function canSerializeVideoFrame(target, vf) {
return canPostVideoFrame(target, vf, false);
};
function canTransferVideoFrame(target, vf) {
return canPostVideoFrame(target, vf, true);
};
function canPostVideoFrame(target, vf, transfer) {
if (transfer) {
target.postMessage(vf, '*', [vf]);
assert_true(isFrameClosed(vf));
} else {
target.postMessage(vf, '*');
}
// vf.timestamp doesn't change after vf is closed, so it's fine to use it.
target.postMessage({'id': vf.timestamp}, '*');
return new Promise(resolve => window.onmessage = e => {
resolve(e.data == 'RECEIVED');
});
};
</script>
</body>
</html>
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