Commit c651a62a authored by Paul Adenot's avatar Paul Adenot
Browse files

Bug 1787159 - Test that a 6 channels ADTS file with large AAC frames can be decoded. r=alwu 

Differential Revision: https://phabricator.services.mozilla.com/D155588
parent 17ddff35

dom/media/webaudio/test/mochitest.ini

+1 −0
Original line number Diff line number Diff line
@@ -36,6 +36,7 @@ support-files = 
  webaudio.js

  ../../webrtc/tests/mochitests/mediaStreamPlayback.js

  ../../webrtc/tests/mochitests/head.js

  ../../../../toolkit/components/mediasniffer/test/unit/data/8kHz-320kbps-6ch.aac



[test_analyserNode.html]

skip-if = !asan && toolkit != android # These are tested in web-platform-tests, except on ASan and Android which don't run WPT.

dom/media/webaudio/test/test_decodeMultichannel.html

+46 −29
Original line number Diff line number Diff line
@@ -2,40 +2,43 @@ 
<html>

<meta charset=utf-8>

<head>

  <title>Test that we can decode 4 channel wave file in webaudio, but not in &lt;audio&gt;</title>

  <title>Test that we can decode multichannel file with webaudio and &lt;audio&gt;</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">

var filename = "audio-quad.wav";

var testcases = [

  {

    filename: "audio-quad.wav",

    channels: 4

  },

  {

    filename: "8kHz-320kbps-8ch.aac",

    channels: 8

  }

];



SimpleTest.waitForExplicitFinish();



function finishTest(a) {

  if (a) {

    a = null;

    SimpleTest.finish();

  }

}



function decodeUsingAudioElement() {

function decodeUsingAudioElement(filename, resolve) {

  var a = new Audio();

  a.addEventListener("error", function() {

    ok(false, "Error loading metadata");

    finishTest(a);

    resolve();

  });

  a.addEventListener("loadedmetadata", function() {

    ok(true, "Metadata Loaded");

    finishTest(a);

    resolve();

  });



  a.src = filename;

  a.load();

}



addLoadEvent(function() {

function testOne({filename, channels}) {

  return new Promise(resolve => {

    var xhr = new XMLHttpRequest();

    xhr.open("GET", filename);

    xhr.responseType = "arraybuffer";
@@ -43,15 +46,29 @@ addLoadEvent(function() { 
      var context = new AudioContext();

      context.decodeAudioData(xhr.response, function(b) {

        ok(true, "Decoding of a wave file with four channels succeded.");

      is(b.numberOfChannels, 4, "The AudioBuffer should have 4 channels.");

      decodeUsingAudioElement();

        is(b.numberOfChannels,

           channels,

           `The AudioBuffer decoded from ${filename} should have ${channels} channels.`);

        decodeUsingAudioElement(filename, resolve);

      }, function() {

      ok(false, "Decoding of a wave file with four channels failed.");

      decodeUsingAudioElement();

        ok(false, `Decoding ${filename} failed)`);

        decodeUsingAudioElement(filename, resolve);

      });

    };

    xhr.send(null);

  });

}



async function runTest() {

  for (var testcase of testcases) {

    await testOne(testcase);

  }



  SimpleTest.finish();

}



addLoadEvent(runTest);



</script>

</pre>

</body>