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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/media/webaudio/test/test_bug1118372.html
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!DOCTYPE HTML>
+<html>
+<head>
+ <title>Test WaveShaperNode with no curve</title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <script type="text/javascript" src="webaudio.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<pre id="test">
+<script class="testbody" type="text/javascript">
+
+SimpleTest.waitForExplicitFinish();
+
+addLoadEvent(function() {
+ var context = new OfflineAudioContext(1, 2048, 44100);
+
+ var osc=context.createOscillator();
+ var gain=context.createGain();
+ var shaper=context.createWaveShaper();
+ gain.gain.value=0.1;
+ shaper.curve=new Float32Array([-0.5,-0.5,1,1]);
+
+ osc.connect(gain);
+ gain.connect(shaper);
+ shaper.connect(context.destination);
+ osc.start(0);
+
+ context.startRendering().then(function(buffer) {
+ var samples = buffer.getChannelData(0);
+ // the signal should be scaled
+ var failures = 0;
+ for (var i = 0; i < 2048; ++i) {
+ if (samples[i] > 0.5) {
+ failures = failures + 1;
+ }
+ }
+ ok(failures == 0, "signal should have been rescaled by gain: found " + failures + " points too loud.");
+ SimpleTest.finish();
+ });
+});
+
+</script>
+</pre>
+</body>
+</html>