summaryrefslogtreecommitdiffstats
path: root/dom/media/webaudio/test/test_decodeOpusTail.html
blob: b5b53f685dd5e459c82b90e1c4230822ae213421 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
<!DOCTYPE HTML>
<html>
<meta charset="utf-8">
<head>
  <title>Regression test to check that opus files don't have a tail at the end.</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 class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();

// This gets a 1 second Opus file and decodes it to a buffer. The opus file is
// decoded at 48kHz, and the OfflineAudioContext is also at 48kHz, no resampling
// is taking place.
fetch('sweep-300-330-1sec.opus')
.then(function(response) { return response.arrayBuffer(); })
.then(function(buffer) {
  var off = new OfflineAudioContext(1, 128, 48000);
  off.decodeAudioData(buffer, function(decoded) {
    var pcm = decoded.getChannelData(0);
    is(pcm.length, 48000, "The length of the decoded file is correct.");
    SimpleTest.finish();
  });
});

</script>