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Quelle test_groupId.html Sprache: HTML |
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<!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>
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2026-04-06