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<!doctype html>
<html>
<head>
<title>MediaStreamTrackProcessor</title>
<link rel="help" href="https://w3c.github.io/mediacapture-insertable-streams">
</head>
<body>
<p class="instructions">When prompted, use the accept button to give permission to use your audio and video devices.</p>
<h1 class="instructions">Description</h1>
<p class="instructions">This test checks that MediaStreamTrackProcessor works as expected on audio MediaStreamTracks.</p>
<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 src='../mediacapture-streams/permission-helper.js'></script>
<script>
promise_test(async t => {
await setMediaPermission("granted", ["microphone"]);
const stream = await navigator.mediaDevices.getUserMedia({audio: true});
const track = stream.getTracks()[0];
const processor = new MediaStreamTrackProcessor({track: track});
const reader = processor.readable.getReader();
const readResult = await reader.read();
assert_false(readResult.done)
assert_true(readResult.value instanceof AudioData);
readResult.value.close();
track.stop();
return reader.closed;
}, "Tests that the reader of an audio MediaStreamTrackProcessor produces AudioData objects and is closed on track stop");
promise_test(async t => {
const stream = await navigator.mediaDevices.getUserMedia({audio: true});
const track = stream.getTracks()[0];
const processor = new MediaStreamTrackProcessor({track: track});
const worker = new Worker('MediaStreamTrackProcessor-worker.js');
const promise = new Promise(resolve => {
worker.onmessage = t.step_func(msg => {
if (msg.data instanceof AudioData) {
msg.data.close();
track.stop();
} else if (msg.data == 'closed') {
resolve();
} else {
assert_unreached();
}
})
});
worker.postMessage({readable: processor.readable},
[processor.readable]);
return promise;
}, "Tests that the reader of an audio MediaStreamTrackProcessor produces AudioData objects and is closed on track stop while running on a worker");
</script>
</body>
</html>
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