| |
| <!doctype html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Don't unmute video when a tab becomes visible unless it was muted when the tab was hidden</title> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <script> |
| let audioTrack; |
| let videoTrack; |
| |
| async function validateMediaStreamTrackIsGeneratingContent(track) |
| { |
| if (!window.internals) |
| return true; |
| internals.observeMediaStreamTrack(track); |
| let count = 100; |
| do { |
| await new Promise(resolve => setTimeout(resolve, 50)); |
| if (internals.trackAudioSampleCount || internals.trackVideoSampleCount) |
| return true; |
| } while (--count > 0); |
| return false; |
| } |
| |
| promise_test((t) => { |
| if (window.testRunner) |
| testRunner.setUserMediaPermission(true); |
| if (!window.internals) |
| return Promise.reject("this test needs internals API"); |
| |
| return navigator.mediaDevices.getUserMedia({ audio: true, video: true }).then((stream) => { |
| audioTrack = stream.getAudioTracks()[0]; |
| videoTrack = stream.getVideoTracks()[0]; |
| |
| assert_false(audioTrack.muted, "audio track is active"); |
| assert_false(videoTrack.muted, "video track is active"); |
| }) |
| }, "Setup stream"); |
| |
| promise_test(async (t) => { |
| if (window.internals) |
| window.internals.setPageVisibility(false); |
| assert_false(audioTrack.muted, "audio track is active"); |
| assert_true(videoTrack.muted, "video track is muted"); |
| }, "Hide page, only video should be muted"); |
| |
| promise_test(async (t) => { |
| if (window.internals) |
| window.internals.setPageVisibility(true); |
| assert_false(audioTrack.muted, "audio track is active"); |
| assert_false(videoTrack.muted, "video track is active"); |
| |
| assert_true(await validateMediaStreamTrackIsGeneratingContent(audioTrack), "audio track"); |
| assert_true(await validateMediaStreamTrackIsGeneratingContent(videoTrack), "video track"); |
| }, "Show page, video and audio should be unmuted"); |
| |
| promise_test(async (t) => { |
| if (window.internals) { |
| window.internals.setPageVisibility(false); |
| window.internals.setPageMuted("capturedevices"); |
| } |
| assert_true(audioTrack.muted, "audio track is muted"); |
| assert_true(videoTrack.muted, "video track is muted"); |
| }, "Hide and mute page, video and audio should be muted"); |
| |
| promise_test(async (t) => { |
| if (window.internals) |
| window.internals.setPageVisibility(true); |
| assert_true(audioTrack.muted, "audio track is muted"); |
| assert_true(videoTrack.muted, "video track is muted"); |
| }, "Show page, video and audio should remain muted"); |
| </script> |
| </body> |
| </html> |
