зеркало из https://github.com/mozilla/gecko-dev.git
69 строки
2.0 KiB
HTML
69 строки
2.0 KiB
HTML
<!DOCTYPE HTML>
|
|
<html>
|
|
<head>
|
|
<title>Test that a non-autoplaying, non-playing element with a MediaStream source triggers canplay and shows a first frame</title>
|
|
<script src="/tests/SimpleTest/SimpleTest.js"></script>
|
|
<script src="manifest.js"></script>
|
|
<script src="/tests/dom/canvas/test/captureStream_common.js"></script>
|
|
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
|
|
</head>
|
|
<body>
|
|
<pre id="test">
|
|
<script class="testbody" type="text/javascript">
|
|
/* import-globals-from ../../canvas/test/captureStream_common.js */
|
|
|
|
async function runTest() {
|
|
const canvas = document.createElement("canvas");
|
|
canvas.getContext("2d");
|
|
const helper = new CaptureStreamTestHelper2D(100, 100);
|
|
|
|
const video = document.createElement("video");
|
|
document.body.appendChild(video);
|
|
|
|
video.srcObject = canvas.captureStream();
|
|
helper.drawColor(canvas, helper.red);
|
|
|
|
await Promise.race([
|
|
new Promise(r => video.oncanplay = r),
|
|
new Promise(r => setTimeout(r, 30000))
|
|
.then(() => Promise.reject(new Error("Canplay timeout"))),
|
|
]);
|
|
|
|
ok(true, "Got \"canplay\"");
|
|
is(video.readyState, video.HAVE_ENOUGH_DATA, "Expected readyState");
|
|
ok(helper.isPixel(helper.getPixel(video), helper.red),
|
|
"First frame is rendered before playing");
|
|
|
|
helper.drawColor(canvas, helper.green);
|
|
await helper.pixelMustNotBecome(video, helper.green, {
|
|
time: 1000,
|
|
infoString: "Rendered first frame doesn't change on new frame from source"
|
|
});
|
|
ok(helper.isPixel(helper.getPixel(video), helper.red),
|
|
"First frame is still rendered");
|
|
|
|
video.play();
|
|
helper.drawColor(canvas, helper.blue);
|
|
await helper.pixelMustBecome(video, helper.blue, {
|
|
infoString: "New frame gets rendered when playing"
|
|
});
|
|
|
|
video.srcObject.getTracks().forEach(t => t.stop());
|
|
}
|
|
|
|
(async function() {
|
|
SimpleTest.waitForExplicitFinish();
|
|
SimpleTest.requestFlakyTimeout("Explicit timeout reasons");
|
|
try {
|
|
await runTest();
|
|
} catch(e) {
|
|
ok(false, e);
|
|
}
|
|
SimpleTest.finish();
|
|
})();
|
|
|
|
</script>
|
|
</pre>
|
|
</body>
|
|
</html>
|