content/media/webaudio/test/test_decodeMultichannel.html

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/content/media/webaudio/test/test_decodeMultichannel.html	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,58 @@
     1.4 +<!DOCTYPE HTML>
     1.5 +<html>
     1.6 +<meta charset=utf-8>
     1.7 +<head>
     1.8 +  <title>Test that we can decode 4 channel wave file in webaudio, but not in &lt;audio&gt;</title>
     1.9 +  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
    1.10 +  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
    1.11 +</head>
    1.12 +<body>
    1.13 +<pre id="test">
    1.14 +<script class="testbody" type="text/javascript">
    1.15 +var filename = "audio-quad.wav";
    1.16 +
    1.17 +SimpleTest.waitForExplicitFinish();
    1.18 +
    1.19 +function finishTest(a) {
    1.20 +  if (a) {
    1.21 +    a = null;
    1.22 +    SimpleTest.finish();
    1.23 +  }
    1.24 +}
    1.25 +
    1.26 +function decodeUsingAudioElement() {
    1.27 +  var a = new Audio();
    1.28 +  a.addEventListener("error", function() {
    1.29 +    ok(true, "We should not be able to decode this file using an HTMLAudioElement");
    1.30 +    finishTest(a);
    1.31 +  });
    1.32 +  a.addEventListener("loadedmetadata", function() {
    1.33 +    ok(false, "We should not be able to decode this file using an HTMLMediaElement.");
    1.34 +    finishTest(a);
    1.35 +  });
    1.36 +
    1.37 +  a.src = filename;
    1.38 +  a.load();
    1.39 +}
    1.40 +
    1.41 +addLoadEvent(function() {
    1.42 +  var xhr = new XMLHttpRequest();
    1.43 +  xhr.open("GET", filename);
    1.44 +  xhr.responseType = "arraybuffer";
    1.45 +  xhr.onload = function() {
    1.46 +    var context = new AudioContext();
    1.47 +    context.decodeAudioData(xhr.response, function(b) {
    1.48 +      ok(true, "Decoding of a wave file with four channels succeded.");
    1.49 +      is(b.numberOfChannels, 4, "The AudioBuffer should have 4 channels.");
    1.50 +      decodeUsingAudioElement();
    1.51 +    }, function() {
    1.52 +      ok(false, "Decoding of a wave file with four channels failed.");
    1.53 +      decodeUsingAudioElement();
    1.54 +    });
    1.55 +  };
    1.56 +  xhr.send(null);
    1.57 +});
    1.58 +</script>
    1.59 +</pre>
    1.60 +</body>
    1.61 +</html>

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