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<!DOCTYPE html>
<html>
<head>
<title>
delaynode-scheduling.html
</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/webaudio/resources/audit-util.js"></script>
<script src="/webaudio/resources/audit.js"></script>
<script src="/webaudio/resources/delay-testing.js"></script>
</head>
<body>
<script id="layout-test-code">
let audit = Audit.createTaskRunner();
audit.define(
{
label: 'test',
description:
'DelayNode delayTime parameter can be scheduled at a given time'
},
function(task, should) {
// Create offline audio context.
let context = new OfflineAudioContext(
1, sampleRate * renderLengthSeconds, sampleRate);
let toneBuffer = createToneBuffer(
context, 20, 20 * toneLengthSeconds, sampleRate); // 20Hz tone
let bufferSource = context.createBufferSource();
bufferSource.buffer = toneBuffer;
let delay = context.createDelay();
// Schedule delay time at time zero.
delay.delayTime.setValueAtTime(delayTimeSeconds, 0);
bufferSource.connect(delay);
delay.connect(context.destination);
bufferSource.start(0);
context.startRendering()
.then(buffer => checkDelayedResult(buffer, toneBuffer, should))
.then(() => task.done());
});
audit.run();
</script>
</body>
</html>
|
