Bug 1774302 - Add a wpt posting VideoFrame across agent cluster boundaries r=padenot,smaug

Depends on D153686 Differential Revision: https://phabricator.services.mozilla.com/D159546
2022-10-26 16:41:54 +00:00 · 2022-10-26 16:41:54 +00:00 · 4343b67583
--- a/testing/web-platform/meta/webcodecs/videoFrame-serialization.crossAgentCluster.html.ini
+++ b/testing/web-platform/meta/webcodecs/videoFrame-serialization.crossAgentCluster.html.ini
@ -0,0 +1,5 @@
+[videoFrame-serialization.crossAgentCluster.html]
+  prefs: [dom.media.webcodecs.enabled:true]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
+
--- a/testing/web-platform/tests/webcodecs/videoFrame-serialization.crossAgentCluster.helper.html
+++ b/testing/web-platform/tests/webcodecs/videoFrame-serialization.crossAgentCluster.helper.html
@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html>
+<body>
+<p id='location'></p>
+<div id='log'></div>
+<script>
+  document.querySelector('#location').innerHTML = window.origin;
+  let received = new Map();
+  window.onmessage = (e) => {
+    let msg = e.data + ' (from ' + e.origin + ')';
+    document.querySelector('#log').innerHTML += '<p>' + msg + '<p>';
+    if (e.data.hasOwnProperty('id')) {
+      e.source.postMessage(
+        received.get(e.data.id) ? 'RECEIVED' : 'NOT_RECEIVED', '*');
+      return;
+    }
+    if (e.data.toString() == '[object VideoFrame]') {
+      received.set(e.data.timestamp, e.data);
+    }
+  };
+</script>
+</body>
+</html>
--- a/testing/web-platform/tests/webcodecs/videoFrame-serialization.crossAgentCluster.html
+++ b/testing/web-platform/tests/webcodecs/videoFrame-serialization.crossAgentCluster.html
@ -0,0 +1,57 @@
+<!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>
+</head>
+<body>
+<script>
+const HELPER = '/webcodecs/videoFrame-serialization.crossAgentCluster.helper.html';
+const SAMEORIGIN_BASE = get_host_info().HTTP_ORIGIN;
+const CROSSORIGIN_BASE = get_host_info().HTTP_NOTSAMESITE_ORIGIN;
+const SAMEORIGIN_HELPER = SAMEORIGIN_BASE + HELPER;
+const CROSSORIGIN_HELPER = CROSSORIGIN_BASE + HELPER;
+
+promise_test(async () => {
+  const target = (await appendIframe(SAMEORIGIN_HELPER)).contentWindow;
+  let frame = createVideoFrame(10);
+  assert_true(await canSendVideoFrame(target, frame));
+}, 'Verify frames can be passed within the same agent clusters');
+
+promise_test(async () => {
+  const target = (await appendIframe(CROSSORIGIN_HELPER)).contentWindow;
+  let frame = createVideoFrame(20);
+  assert_false(await canSendVideoFrame(target, frame));
+}, 'Verify frames cannot be passed 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 canSendVideoFrame(target, vf) {
+  target.postMessage(vf, '*');
+  target.postMessage({'id': vf.timestamp}, '*');
+  return new Promise(resolve => window.onmessage = e => {
+    resolve(e.data == 'RECEIVED');
+  });
+};
+</script>
+</body>
+</html>