<!
DOCTYPE HTML>
<
html>
<
head>
<
title>Test that pausing and resuming a captured media element with
audio doesn
't stall
<
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();
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>
