1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
<!DOCTYPE HTML>
<html>
<head>
<script src="mediaStreamPlayback.js"></script>
</head>
<body>
<pre id="test">
<script type="application/javascript">
createHTML({ title: "Test group id of MediaDeviceInfo", bug: "1213453" });
async function getDefaultDevices() {
const devices = await navigator.mediaDevices.enumerateDevices();
is(devices.length, 2, "Two fake devices found.");
devices.forEach(d => isnot(d.groupId, "", "GroupId is included in every device"));
const videos = devices.filter(d => d.kind == "videoinput");
is(videos.length, 1, "One video device found.");
const audios = devices.filter(d => d.kind == "audioinput");
is(audios.length, 1, "One microphone device found.");
return {audio: audios[0], video: videos[0]};
}
runTest(async () => {
// Force fake devices in order to be able to change camera name by pref.
await pushPrefs(["media.navigator.streams.fake", true],
["media.audio_loopback_dev", ""],
["media.video_loopback_dev", ""]);
const afterGum = await navigator.mediaDevices.getUserMedia({
video: true, audio: true
});
afterGum.getTracks().forEach(track => track.stop());
let {audio, video} = await getDefaultDevices();
/* The low level method to correlate groupIds is by device names.
* Use a similar comparison here to verify that it works.
* Multiple devices of the same device name are not expected in
* automation. */
isnot(audio.label, video.label, "Audio label differs from video");
isnot(audio.groupId, video.groupId, "Not the same groupIds");
// Change video name to match.
await pushPrefs(["media.getusermedia.fake-camera-name", audio.label]);
({audio, video} = await getDefaultDevices());
is(audio.label, video.label, "Audio label matches video");
is(audio.groupId, video.groupId, "GroupIds should be the same");
});
</script>
</pre>
</body>
</html>
|
