зеркало из https://github.com/mozilla/gecko-dev.git
61 строка
1.8 KiB
HTML
61 строка
1.8 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<script type="application/javascript" src="mediaStreamPlayback.js"></script>
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</head>
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<body>
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<pre id="test">
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<audio id="audio"></audio>
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<script>
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createHTML({
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title: "SetSinkId in HTMLMediaElement",
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bug: "934425",
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});
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/**
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* Run a test to verify set sink id in audio element.
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*/
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runTest(async () => {
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await pushPrefs(["media.setsinkid.enabled", true]);
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if (!SpecialPowers.getCharPref("media.audio_loopback_dev", "")) {
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ok(false, "No loopback device set by framework. Try --use-test-media-devices");
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return;
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}
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const allDevices = await navigator.mediaDevices.enumerateDevices();
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const audioDevices = allDevices.filter(({kind}) => kind == 'audiooutput');
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info(`Found ${audioDevices.length} output devices`);
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ok(audioDevices.length > 0, "More than one output device found");
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// Have to do this to access normally-preffed off binding methods for some
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// reason.
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// See bug 1544257.
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audio = SpecialPowers.wrap(audio);
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is(audio.sinkId, "", "Initial value is empty string");
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const p = audio.setSinkId(audioDevices[0].deviceId);
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is(audio.sinkId, "", "Value is unchanged upon function return");
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is(await p, undefined, "promise resolves with undefined");
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is(audio.sinkId, audioDevices[0].deviceId, `Sink device is set, id: ${audio.sinkId}`);
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await audio.setSinkId(audioDevices[0].deviceId);
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ok(true, `Sink device is set for 2nd time for the same id: ${audio.sinkId}`);
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try {
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await audio.setSinkId("dummy sink id");
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ok(false, "Never enter here, this must fail");
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} catch (error) {
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ok(true, `Set sink id expected to fail: ${error}`);
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is(error.name, "NotFoundError", "Verify correct error");
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}
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});
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</script>
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</pre>
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</body>
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</html>
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