| <!doctype html> |
| <html> |
| <head> |
| <title>MediaRecorder Dataavailable</title> |
| <link rel="help" href="https://w3c.github.io/mediacapture-record/MediaRecorder.html#mediarecorder"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <canvas id="canvas" width="200" height="200"> |
| </canvas> |
| <script> |
| promise_test(async t => { |
| const video = await navigator.mediaDevices.getUserMedia({ audio : true, video : true }); |
| const recorder = new MediaRecorder(video); |
| |
| assert_equals(recorder.stream, video); |
| |
| let promise = new Promise(resolve => { |
| recorder.ondataavailable = t.step_func(blobEvent => { |
| if (blobEvent.data.size) |
| resolve(); |
| }); |
| }); |
| |
| recorder.start(); |
| let timer = setInterval(() => recorder.requestData(), 10); |
| await promise; |
| clearInterval(timer); |
| |
| recorder.stop(); |
| |
| promise = new Promise(resolve => { |
| recorder.ondataavailable = t.step_func(blobEvent => { |
| if (blobEvent.data.size) |
| resolve(); |
| }); |
| }); |
| |
| recorder.start(); |
| timer = setInterval(() => recorder.requestData(), 10); |
| await promise; |
| clearInterval(timer); |
| |
| recorder.stop(); |
| }, 'Make sure that MediaRecorder can be used after stopping it once'); |
| </script> |
| </body> |
| </html> |
