| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <video id="video1" autoplay playsInline controls></video> |
| <video id="video2" autoplay playsInline controls></video> |
| <script> |
| promise_test(async (test) => { |
| const context = new AudioContext(); |
| const oscillator = context.createOscillator(); |
| const streamDestination = context.createMediaStreamDestination(); |
| oscillator.connect(streamDestination); |
| video1.srcObject = streamDestination.stream; |
| // video1 will be played through VPIO will fix the rate to a single value. |
| await video1.play(); |
| oscillator.start(); |
| |
| const stream = await navigator.mediaDevices.getUserMedia({ audio: { sampleRate: 48000 }}); |
| stream.getAudioTracks()[0].onended = () => assert_not_reached("should not end"); |
| await new Promise(resolve => setTimeout(resolve, 100)); |
| stream.getAudioTracks()[0].stop(); |
| |
| const stream2 = await navigator.mediaDevices.getUserMedia({ audio: { sampleRate: 44100 }}); |
| stream2.getAudioTracks()[0].onended = () => assert_not_reached("should not end"); |
| await new Promise(resolve => setTimeout(resolve, 100)); |
| }, "Reconfigure audio sample rate"); |
| |
| promise_test(async (test) => { |
| const context = new AudioContext(); |
| const oscillator = context.createOscillator(); |
| const streamDestination = context.createMediaStreamDestination(); |
| oscillator.connect(streamDestination); |
| video1.srcObject = streamDestination.stream; |
| await video1.play(); |
| oscillator.start(); |
| |
| const defaultAudioConstraints = { |
| sampleRate: 48000, |
| sampleSize: 16, |
| channelCount: 1, |
| echoCancellation: true, |
| noiseSuppression: true |
| }; |
| const musicModeAudioConstraints = { |
| sampleRate: 48000, |
| sampleSize: 16, |
| channelCount: 2, |
| echoCancellation: false, |
| noiseSuppression: false |
| }; |
| |
| const stream1 = await navigator.mediaDevices.getUserMedia({ audio: defaultAudioConstraints }); |
| video2.srcObject = stream1; |
| await video2.play(); |
| await new Promise(resolve => setTimeout(resolve, 1000)); |
| |
| // By stopping the capture audio track, the VPIO unit will go in render only mode as it needs to play video 1. |
| stream1.getAudioTracks()[0].stop(); |
| |
| const stream2 = await navigator.mediaDevices.getUserMedia({ audio: musicModeAudioConstraints }); |
| stream2.getAudioTracks()[0].onended = () => log.innerHTML += 'track ended'; |
| await new Promise(resolve => setTimeout(resolve, 1000)); |
| }, "Reconfigure audio unit when being in render-only mode"); |
| </script> |
| </body> |
| </html> |
