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<!DOCTYPE HTML>
<html>
<head>
<title>Test that a media element captureStream works when disabling MediaTracks</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>
<pre id="test">
<script class="testbody" type="text/javascript">
const manager = new MediaTestManager();
async function startTest(test, token) {
manager.started(token);
const v = document.createElement('video');
document.body.appendChild(v);
v.token = token;
v.id = "MediaDecoder";
// Log events for debugging.
const events = ["suspend", "play", "canplay", "canplaythrough", "loadstart", "loadedmetadata",
"loadeddata", "playing", "ended", "error", "stalled", "emptied", "abort",
"waiting", "pause"];
function logEvent(e) {
Log(token, `${token}: ${e.target.id} got ${e.type}`);
}
for (const e of events) {
v.addEventListener(e, logEvent);
};
v.src = test.name;
v.preload = 'metadata';
await new Promise(r => v.onloadedmetadata = r);
const stream = v.mozCaptureStream();
is(stream.getAudioTracks().length, Math.min(1, v.audioTracks.length),
`${token}: Expected number of audio tracks`);
is(stream.getVideoTracks().length, Math.min(1, v.videoTracks.length),
`${token}: Expected number of video tracks`);
if (v.audioTracks.length) {
v.audioTracks[0].enabled = false;
const track = stream.getAudioTracks()[0];
await new Promise(r => track.onended = r);
is(track.readyState, "ended", `${token}: Audio track has ended on removal`);
await new Promise(r => stream.onremovetrack = r);
is(stream.getAudioTracks().length, 0,
`${token}: Audio track was removed on removetrack`);
}
if (v.videoTracks.length) {
v.videoTracks[0].selected = false;
const track = stream.getVideoTracks()[0];
await new Promise(r => track.onended = r);
is(track.readyState, "ended", `${token}: Video track has ended on removal`);
await new Promise(r => stream.onremovetrack = r);
is(stream.getVideoTracks().length, 0,
`${token}: Video track was removed on removetrack`);
}
stream.onaddtrack = () => ok(false, "Unexpected addtrack event");
v.play();
await Promise.race([
new Promise(r => v.ontimeupdate = r),
new Promise((res, rej) => v.onerror = () => rej(new Error(v.error.message))),
]);
is(stream.getTracks().length, 0, `${token}: no tracks appeared during playback`);
removeNodeAndSource(v);
}
(async () => {
SimpleTest.requestCompleteLog();
SimpleTest.waitForExplicitFinish();
await SpecialPowers.pushPrefEnv(
{ "set": [
["media.track.enabled", true],
]});
let tests = gPlayTests;
// Filter out bug1377278.webm due to bug 1541401.
tests = tests.filter(t => !t.name.includes("1377278"));
manager.runTests(tests, async (test, token) => {
try {
await startTest(test, token);
} catch(e) {
ok(false, `Caught exception for ${token}: ${e}`);
}
manager.finished(token);
});
})();
</script>
</pre>
</body>
</html>
|
