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Bug 881092 - Test that we can decode multichannel WAVE file only when using decodeAudioData. r=ehsan

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--HG--
extra : rebase_source : fe1cb35be9a1197b01a6c90654abd825f28a67e5
This commit is contained in:
Paul Adenot 2013-08-29 11:44:05 +02:00
parent bacec95428
commit 08fd7cd240
3 changed files with 60 additions and 0 deletions
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2
content/media/webaudio/test/Makefile.in
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@ -67,6 +67,7 @@ MOCHITEST_FILES := \
test_gainNodeInLoop.html \
test_maxChannelCount.html \
test_mediaDecoding.html \
test_decodeMultichannel.html \
test_mediaElementAudioSourceNode.html \
test_mediaStreamAudioDestinationNode.html \
test_mediaStreamAudioSourceNode.html \
@ -107,6 +108,7 @@ MOCHITEST_FILES := \
audio-expected.wav \
audio-mono-expected.wav \
audio-mono-expected-2.wav \
audio-quad.wav \
$(NULL)
include $(topsrcdir)/config/rules.mk

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content/media/webaudio/test/audio-quad.wav Normal file
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58
content/media/webaudio/test/test_decodeMultichannel.html Normal file
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@ -0,0 +1,58 @@
<!DOCTYPE HTML>
<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>
<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">
var filename = "audio-quad.wav";
SimpleTest.waitForExplicitFinish();
function finishTest(a) {
if (a) {
a = null;
SimpleTest.finish();
}
}
function decodeUsingAudioElement() {
var a = new Audio();
a.addEventListener("error", function() {
ok(true, "We should not be able to decode this file using an HTMLAudioElement");
finishTest(a);
});
a.addEventListener("loadedmetadata", function() {
ok(false, "We should not be able to decode this file using an HTMLMediaElement.");
finishTest(a);
});
a.src = filename;
a.load();
}
addLoadEvent(function() {
var xhr = new XMLHttpRequest();
xhr.open("GET", filename);
xhr.responseType = "arraybuffer";
xhr.onload = 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();
}, function() {
ok(false, "Decoding of a wave file with four channels failed.");
decodeUsingAudioElement();
});
};
xhr.send(null);
});
</script>
</pre>
</body>
</html>