| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>audio-session-category</title> |
| <script src='video-test.js'></script> |
| <script src='media-file.js'></script> |
| <script> |
| |
| async function waitForCategory(category, duration, message) |
| { |
| consoleWrite(message); |
| |
| const maxTries = duration * 1000 / 10; |
| let counter = 0; |
| while (++counter < maxTries) { |
| if (internals.audioSessionCategory() == category) |
| break; |
| await new Promise(resolve => setTimeout(resolve, 10)); |
| } |
| |
| testExpected('internals.audioSessionCategory()', category); |
| } |
| |
| async function testAudioElement() |
| { |
| consoleWrite('<br><br>** <audio> element test **'); |
| await waitForCategory('None', 10, '<br>** Check category before anything has loaded.'); |
| |
| consoleWrite('<br>** Check category when a muted, paused, element has loaded.'); |
| video.src = findMediaFile('video', 'content/test'); |
| |
| await waitFor(video, 'canplaythrough'); |
| testExpected('internals.audioSessionCategory()', 'None'); |
| |
| consoleWrite('<br>** Check category when a muted element is playing.'); |
| runWithKeyDown(() => { run('video.play()') }); |
| await waitFor(video, 'playing'); |
| testExpected('internals.audioSessionCategory()', 'None'); |
| |
| consoleWrite('<br>** Check category when an unmuted element is playing.'); |
| runWithKeyDown(() => { run('video.muted = false') }); |
| await waitFor(video, 'volumechange'); |
| testExpected('internals.audioSessionCategory()', 'MediaPlayback'); |
| |
| consoleWrite('<br>** Mute the element, check again after 500ms.'); |
| run('video.pause()'); |
| runWithKeyDown(() => { run('video.muted = true') }); |
| await sleepFor(500); |
| testExpected('internals.audioSessionCategory()', 'MediaPlayback'); |
| |
| await waitForCategory('None', 3, '<br>** And check again after 3 seconds.'); |
| video.src = ''; |
| video.load(); |
| } |
| |
| async function testWebAudio() |
| { |
| consoleWrite('<br><br>** AudioContext test **'); |
| await waitForCategory('None', 10, '<br>** Check category before creating AudioContext.'); |
| |
| consoleWrite('<br>** Check category after oscillator graph has been connected but not started.'); |
| let context = new AudioContext(); |
| let oscillator = null; |
| let gainNode = context.createGain(); |
| |
| oscillator = context.createOscillator(); |
| oscillator.type = 'square'; |
| oscillator.frequency.setValueAtTime(440, context.currentTime); |
| |
| oscillator.connect(gainNode); |
| gainNode.connect(context.destination); |
| gainNode.gain.value = 0.1 |
| testExpected('internals.audioSessionCategory()', 'None'); |
| |
| consoleWrite('<br>** Check category after starting oscillator.'); |
| oscillator.start(0); |
| await sleepFor(500); |
| testExpected('internals.audioSessionCategory()', 'AmbientSound'); |
| |
| consoleWrite('<br>** Close the context, check again after 500ms.'); |
| await context.close(); |
| await sleepFor(500); |
| testExpected('internals.audioSessionCategory()', 'AmbientSound'); |
| |
| await waitForCategory('None', 3, '<br>** And check again after 3 seconds.'); |
| } |
| |
| async function testMediaStream() |
| { |
| consoleWrite('<br><br>** MediaStream test **'); |
| await waitForCategory('None', 10, '<br>** Check category before capture begins.'); |
| |
| consoleWrite('<br>** Check category when capturing.'); |
| let stream = await navigator.mediaDevices.getUserMedia({audio : true}); |
| testExpected('internals.audioSessionCategory()', 'PlayAndRecord'); |
| |
| consoleWrite('<br>** Check after MediaStream is attached to audio element.'); |
| video.srcObject = stream; |
| runWithKeyDown(() => { run('video.play()') }); |
| await waitFor(video, 'playing'); |
| testExpected('internals.audioSessionCategory()', 'PlayAndRecord'); |
| |
| consoleWrite('<br>** Check after MediaStream muting audio track.'); |
| const audioTrack = stream.getAudioTracks()[0]; |
| audioTrack.enabled = false; |
| await sleepFor(500); |
| testExpected('internals.audioSessionCategory()', 'PlayAndRecord'); |
| |
| consoleWrite('<br>** Check 500ms after MediaStream stopping capture.'); |
| audioTrack.stop(); |
| await sleepFor(500); |
| testExpected('internals.audioSessionCategory()', 'PlayAndRecord'); |
| |
| await waitForCategory('None', 3, '<br>** And check again after 3 seconds.'); |
| video.src = ''; |
| video.load(); |
| } |
| |
| |
| window.addEventListener('load', async event => { |
| if (!window.internals) { |
| failTest(`<br>This test requires internals!`); |
| return; |
| } |
| |
| internals.settings.setShouldManageAudioSessionCategory(true); |
| |
| video = document.getElementsByTagName('audio')[0]; |
| |
| failTestIn(20000); |
| await testAudioElement(); |
| await testWebAudio(); |
| await testMediaStream(); |
| |
| endTest(); |
| }); |
| </script> |
| </head> |
| <body> |
| <audio muted controls></audio> |
| </body> |
| </html> |
