gecko-dev/dom/media/test/test_bug1512958.html

75 строки
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HTML

<!DOCTYPE HTML>
<html>
<head>
<title>Test that pausing and resuming a captured media element with audio doesn't stall</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<script type="text/javascript" src="manifest.js"></script>
</head>
<body>
<audio id="a"></audio>
<pre id="test">
<script class="testbody" type="text/javascript">
function dumpEvent({target, type}) {
info(`${target.name} GOT EVENT ${type} currentTime=${target.currentTime} ` +
`paused=${target.paused} ended=${target.ended} ` +
`readyState=${target.readyState}`);
}
function wait(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
const a = document.getElementById('a');
const events = ["timeupdate", "seeking", "seeked", "ended", "playing", "pause"];
for (let ev of events) {
a.addEventListener(ev, dumpEvent);
}
(async _ => {
try {
SimpleTest.waitForExplicitFinish();
SimpleTest.requestFlakyTimeout("Timeouts for shortcutting test-timeout");
const test = getPlayableAudio(gTrackTests.filter(t => t.duration > 2));
if (!test) {
todo(false, "No playable audio");
return;
}
// Start playing and capture
a.src = test.name;
a.name = test.name;
const ac = new AudioContext();
const src = ac.createMediaElementSource(a);
a.play();
do {
await new Promise(r => a.ontimeupdate = r);
} while(a.currentTime == 0)
// Pause to trigger recreating tracks in DecodedStream
a.pause();
await new Promise(r => a.onpause = r);
// Resuming should now work. Bug 1512958 would cause a stall because the
// original track wasn't ended and we'd block on it.
// See https://bugzilla.mozilla.org/show_bug.cgi?id=1512958#c5
a.play();
await new Promise(r => a.onplaying = r);
a.currentTime = test.duration - 1;
await Promise.race([
new Promise(res => a.onended = res),
wait(30000).then(_ => Promise.reject(new Error("Timeout"))),
]);
} catch(e) {
ok(false, e);
} finally {
SimpleTest.finish();
}
})();
</script>
</pre>
</body>
</html>