зеркало из https://github.com/mozilla/gecko-dev.git
44 строки
981 B
HTML
44 строки
981 B
HTML
<!DOCTYPE HTML>
|
|
<html>
|
|
<head>
|
|
<title>Test DelayNode</title>
|
|
<script src="/tests/SimpleTest/SimpleTest.js"></script>
|
|
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
|
|
</head>
|
|
<body>
|
|
<pre id="test">
|
|
<script src="webaudio.js" type="text/javascript"></script>
|
|
<script class="testbody" type="text/javascript">
|
|
|
|
var gTest = {
|
|
length: 2048,
|
|
numberOfChannels: 1,
|
|
createGraph(context) {
|
|
var source = context.createBufferSource();
|
|
|
|
var delay = context.createDelay(0.02);
|
|
|
|
source.buffer = this.buffer;
|
|
|
|
source.connect(delay);
|
|
|
|
source.start(0);
|
|
return delay;
|
|
},
|
|
createExpectedBuffers(context) {
|
|
var expectedBuffer = context.createBuffer(1, 2048, context.sampleRate);
|
|
for (var i = 0; i < 2048; ++i) {
|
|
expectedBuffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate);
|
|
}
|
|
this.buffer = expectedBuffer;
|
|
return expectedBuffer;
|
|
},
|
|
};
|
|
|
|
runTest();
|
|
|
|
</script>
|
|
</pre>
|
|
</body>
|
|
</html>
|