| <!doctype html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Testing getUserMedia plugged in Web Audio</title> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <script> |
| if (window.testRunner) |
| testRunner.setUserMediaPermission(true); |
| |
| var finishTest, errorTest; |
| promise_test((test) => { |
| return navigator.mediaDevices.getUserMedia({ audio: true}).then((stream) => { |
| return new Promise((resolve, reject) => { |
| finishTest = resolve; |
| errorTest = reject; |
| var audioContext = new webkitAudioContext(); |
| var script = audioContext.createScriptProcessor(2048, 1, 1); |
| script.onaudioprocess = (event) => { |
| var squaredSum = 0.0; |
| event.inputBuffer.getChannelData(0).forEach((value) => { |
| squaredSum += value * value; |
| }); |
| // Mock source should send some bips with sufficient energy to finish the test |
| if (squaredSum > 30) { |
| source.disconnect(script); |
| script.disconnect(audioContext.destination); |
| finishTest(); |
| } |
| }; |
| let source = audioContext.createMediaStreamSource(stream); |
| |
| source.connect(script); |
| script.connect(audioContext.destination); |
| }); |
| }); |
| }, "Plugging in getUserMedia audio stream into Web Audio"); |
| |
| function waitFor(duration) |
| { |
| return new Promise(resolve => setTimeout(resolve, duration)); |
| } |
| |
| promise_test(async (test) => { |
| if (!window.internals) |
| return Promise.reject("Internals API required"); |
| |
| const stream = await navigator.mediaDevices.getUserMedia({ audio: {deviceId: true}}); |
| internals.setMockAudioTrackChannelNumber(stream.getAudioTracks()[0], 1); |
| |
| var audioContext = new webkitAudioContext(); |
| var script = audioContext.createScriptProcessor(2048, 1, 1); |
| let source = audioContext.createMediaStreamSource(stream); |
| source.connect(script); |
| script.connect(audioContext.destination); |
| |
| await waitFor(200); |
| |
| internals.setMockAudioTrackChannelNumber(stream.getAudioTracks()[0], 2); |
| await waitFor(200); |
| |
| source.disconnect(script); |
| script.disconnect(audioContext.destination); |
| }, "Web Audio should work even if number of channels of a track increases from 1 to 2"); |
| </script> |
| </body> |
| </html> |
