blob: d79ce50ab8685768a8a1f4aef86fce6ee1c448a3 (
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
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
<!DOCTYPE HTML>
<html>
<meta charset="utf-8">
<head>
<title>Test MediaStreamAudioSourceNode doesn't get data from cross-origin media resources</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();
var audio = new Audio("http://example.org:80/tests/dom/media/webaudio/test/small-shot.ogg");
audio.load();
var context = new AudioContext();
audio.onloadedmetadata = function() {
var node = context.createMediaStreamSource(audio.mozCaptureStreamUntilEnded());
var sp = context.createScriptProcessor(2048, 1);
node.connect(sp);
var nonzeroSampleCount = 0;
var complete = false;
var iterationCount = 0;
// This test ensures we receive at least expectedSampleCount nonzero samples
function processSamples(e) {
if (complete) {
return;
}
if (iterationCount == 0) {
// Don't start playing the audio until the AudioContext stuff is connected
// and running.
audio.play();
}
++iterationCount;
var buf = e.inputBuffer.getChannelData(0);
var nonzeroSamplesThisBuffer = 0;
for (var i = 0; i < buf.length; ++i) {
if (buf[i] != 0) {
++nonzeroSamplesThisBuffer;
}
}
is(nonzeroSamplesThisBuffer, 0,
"Checking all samples are zero");
if (iterationCount >= 20) {
SimpleTest.finish();
complete = true;
}
}
audio.oncanplaythrough = function() {
sp.onaudioprocess = processSamples;
};
}
</script>
</pre>
</body>
</html>
|
