| <!doctype html> |
| <head> |
| <title>Test HTMLMediaElement.setSinkId() with MediaElementAudioSourceNode</title> |
| <link rel="help" href="https://webaudio.github.io/web-audio-api/#MediaElementAudioSourceNode"> |
| </head> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <script src=/resources/testdriver.js></script> |
| <script src=/resources/testdriver-vendor.js></script> |
| <script> |
| "use strict"; |
| /* |
| MediaElementAudioSourceNode silences HTMLMediaElement output to underlying |
| devices but setSinkId() should still function as if there were no |
| MediaElementAudioSourceNode according to |
| "The HTMLMediaElement MUST behave in an identical fashion after the |
| MediaElementAudioSourceNode has been created, except that the rendered audio |
| will no longer be heard directly, but instead will be heard as a consequence |
| of the MediaElementAudioSourceNode being connected through the routing graph." |
| */ |
| |
| let audio; |
| promise_setup(async () => { |
| audio = new Audio(); |
| audio.src = "/media/sound_5.oga"; |
| audio.autoplay = true; |
| audio.loop = true; |
| new AudioContext().createMediaElementSource(audio); |
| await new Promise(r => audio.onplay = r); |
| }); |
| |
| promise_test(t => audio.setSinkId(""), "setSinkId on default audio output should always work"); |
| |
| promise_test(t => promise_rejects_dom(t, "NotFoundError", audio.setSinkId("nonexistent_device_id")), |
| "setSinkId fails with NotFoundError on made up deviceid"); |
| |
| promise_test(async t => { |
| await test_driver.bless('transient activation for selectAudioOutput()'); |
| const {deviceId} = await navigator.mediaDevices.selectAudioOutput(); |
| assert_greater_than(deviceId.length, 0, "deviceId.length"); |
| const p1 = audio.setSinkId(deviceId); |
| assert_equals(audio.sinkId, "", "before it resolves, setSinkId is unchanged"); |
| await p1; |
| assert_equals(audio.sinkId, deviceId, "setSinkId updates sinkId to the requested deviceId"); |
| await audio.setSinkId(""); |
| assert_equals(audio.sinkId, "", "resetting sink ID to default audio output should always work"); |
| }, "setSinkId() with output device ID exposed by selectAudioOutput() should resolve"); |
| |
| </script> |
