| <!doctype html> |
| <title>MediaStreamTrack GetSettings</title> |
| <p class="instructions">When prompted, accept to share your video stream.</p> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <script> |
| 'use strict' |
| |
| // https://w3c.github.io/mediacapture-main/archives/20170605/getusermedia.html |
| |
| promise_test(t => { |
| const constraints = { |
| video: true, |
| audio: false |
| }; |
| |
| return navigator.mediaDevices.getUserMedia(constraints) |
| .then(mediaStream => { |
| const settings1 = mediaStream.getVideoTracks()[0].getSettings(); |
| const videoConstraints = { |
| deviceId: settings1.deviceId |
| }; |
| |
| return navigator.mediaDevices.getUserMedia({ |
| video: videoConstraints, |
| audio: false |
| }).then(mediaStream => { |
| const settings2 = mediaStream.getVideoTracks()[0].getSettings(); |
| assert_equals(settings1.deviceId, settings2.deviceId); |
| }); |
| }); |
| }, 'A device can be opened twice and have the same device ID'); |
| |
| promise_test(t => { |
| const constraints = { |
| video: true, |
| audio: false |
| }; |
| |
| return navigator.mediaDevices.getUserMedia(constraints) |
| .then(mediaStream => { |
| const settings1 = mediaStream.getVideoTracks()[0].getSettings(); |
| const videoConstraints = { |
| deviceId: settings1.deviceId, |
| width: { |
| exact: settings1.width / 2 |
| } |
| }; |
| |
| return navigator.mediaDevices.getUserMedia({ |
| video: videoConstraints, |
| audio: false |
| }).then(mediaStream => { |
| const settings2 = mediaStream.getVideoTracks()[0].getSettings(); |
| assert_equals(settings1.deviceId, settings2.deviceId); |
| assert_equals(settings1.width / 2, settings2.width); |
| }); |
| }); |
| }, 'A device can be opened twice with different resolutions'); |
| </script> |
