dom/media/webaudio/test/test_decodeOpusTail.html
author Jim Blandy <jimb@red-bean.com>
Thu, 30 Mar 2023 16:23:26 +0000
changeset 658645 9754c55103ef774188e1e813a3ef5d4f5487b35c
parent 469641 ba6f655fd68963530c866d0d4a48c3db3d307777
permissions -rw-r--r--
Bug 1825449: Don't warn on mismatched WebGPU error scope push/pop. r=webgpu-reviewers,teoxoy In the graphics process, don't warn on receipt of mismatched DevicePushErrorScope/DevicePopErrorScope messages, since these can be easily caused by ordinary content and do not indicate anything wrong with Firefox. Differential Revision: https://phabricator.services.mozilla.com/D174045

<!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 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>