зеркало из https://github.com/mozilla/gecko-dev.git
59 строки
2.2 KiB
HTML
59 строки
2.2 KiB
HTML
<!DOCTYPE HTML>
|
|
<html>
|
|
<head>
|
|
<title>MSE: input buffer is cleared as expected (bug 1697476)</title>
|
|
<script src="/tests/SimpleTest/SimpleTest.js"></script>
|
|
<script type="text/javascript" src="mediasource.js"></script>
|
|
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
|
|
</head>
|
|
<body>
|
|
<pre id="test">
|
|
<script class="testbody" type="text/javascript">
|
|
|
|
SimpleTest.waitForExplicitFinish();
|
|
|
|
// Test bug 1697476 is fixed. We do this by appending a number of segments with
|
|
// trailing `skip` boxes. If the bug is fixed, then the data from these appends
|
|
// will eventually be cleared from memory. If not fixed, we leak that memory.
|
|
runWithMSE(async (ms, v) => {
|
|
await once(ms, "sourceopen");
|
|
const sb = ms.addSourceBuffer("video/mp4");
|
|
await fetchAndLoad(sb, "bipbop/bipbop_video", ["init"], ".mp4");
|
|
// Load ~1mb of media.
|
|
await fetchAndLoad(sb, "bipbop/bipbop_trailing_skip_box_video", ["1"], ".m4s");
|
|
// Load ~1mb more media several more times.
|
|
const numberOfAppends = 5;
|
|
for (let i = 1; i < numberOfAppends; ++i) {
|
|
sb.timestampOffset = v.buffered.end(0);
|
|
await fetchAndLoad(sb, "bipbop/bipbop_trailing_skip_box_video", ["1"], ".m4s");
|
|
}
|
|
|
|
// Grab a memory report. We'll use this to make sure we're not accumulating
|
|
// too much data in our buffers.
|
|
const mgr = SpecialPowers.Cc["@mozilla.org/memory-reporter-manager;1"]
|
|
.getService(SpecialPowers.Ci.nsIMemoryReporterManager);
|
|
|
|
let amount = 0;
|
|
const handleReport = (aProcess, aPath, aKind, aUnits, aAmount) => {
|
|
if (aPath == "explicit/media/resources") {
|
|
amount += aAmount;
|
|
}
|
|
};
|
|
|
|
await new Promise(r => mgr.getReports(handleReport, null, r, null, /* anonymized = */ false));
|
|
ok(true, "Yay didn't crash!");
|
|
ok(amount !== undefined, "Got media resources amount");
|
|
const sgementSize = 1023860;
|
|
// Set the limit to be equal to the total data we appended. If we're not
|
|
// clearing buffers, we'll have all the data from the appends + some other
|
|
// data, so will fail.
|
|
const limit = sgementSize * numberOfAppends - 1;
|
|
ok(amount < limit, `Should have less than ${limit} bytes of media usage. Got ${amount} bytes.`);
|
|
SimpleTest.finish();
|
|
});
|
|
|
|
</script>
|
|
</pre>
|
|
</body>
|
|
</html>
|