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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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Add m-esr52 at 52.6.0
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+<!DOCTYPE HTML>
+<html>
+<head>
+ <title>Test DelayNode with maxDelayTime delay - bug 890528</title>
+ <script type="text/javascript" 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">
+
+const signalLength = 2048;
+const delayLength = 1000; // Not on a block boundary
+const outputLength = 4096 // > signalLength + 2 * delayLength;
+
+function applySignal(buffer, offset) {
+ for (var i = 0; i < signalLength; ++i) {
+ buffer.getChannelData(0)[offset + i] = Math.cos(Math.PI * i / signalLength);
+ }
+}
+
+var gTest = {
+ numberOfChannels: 1,
+ createGraph: function(context) {
+ var buffer = context.createBuffer(1, signalLength, context.sampleRate);
+ applySignal(buffer, 0);
+
+ var source = context.createBufferSource();
+ source.buffer = buffer;
+
+ const delayTime = delayLength / context.sampleRate;
+ var delay = context.createDelay(delayTime);
+ delay.delayTime.value = delayTime;
+
+ source.connect(delay);
+
+ source.start(0);
+ return delay;
+ },
+ createExpectedBuffers: function(context) {
+ var expectedBuffer = context.createBuffer(1, outputLength, context.sampleRate);
+ applySignal(expectedBuffer, delayLength);
+ return expectedBuffer;
+ },
+};
+
+runTest();
+
+</script>
+</pre>
+</body>
+</html>