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Backed out changeset 99d7aacbdd3b (bug 916285)

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--HG--
extra : rebase_source : 51c9b4ded036dc9ef0cb80c878dde663b4d0f3e2
This commit is contained in:
Paul Adenot 2015-01-05 16:04:33 +01:00
parent 6f7a87ce51
commit aaf8b2215b
3 changed files with 2 additions and 55 deletions
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6
dom/media/webaudio/OscillatorNode.cpp
View File

@ -142,10 +142,8 @@ public:
void IncrementPhase()
{
mPhase += mPhaseIncrement;
if (mPhase > 2 * M_PI) {
mPhase -= 2 * M_PI;
} else if (mPhase < -2 * M_PI) {
mPhase += 2 * M_PI;
if (mPhase > mPhaseWrap) {
mPhase -= mPhaseWrap;
}
}

1
dom/media/webaudio/test/mochitest.ini
View File

@ -126,7 +126,6 @@ skip-if = (toolkit == 'gonk' && !debug)
[test_offlineDestinationChannelCountMore.html]
[test_oscillatorNode.html]
[test_oscillatorNode2.html]
[test_oscillatorNodeNegativeFrequency.html]
[test_oscillatorNodePassThrough.html]
[test_oscillatorNodeStart.html]
[test_oscillatorTypeChange.html]

50
dom/media/webaudio/test/test_oscillatorNodeNegativeFrequency.html
View File

@ -1,50 +0,0 @@
<!DOCTYPE HTML>
<html>
<head>
<title>Test the OscillatorNode when the frequency is negative</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="webaudio.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();
addLoadEvent(function() {
var types = ["sine",
"square",
"sawtooth",
"triangle"];
var finished = 0;
function finish() {
if (++finished == types.length) {
SimpleTest.finish();
}
}
types.forEach(function(t) {
var context = new OfflineAudioContext(1, 256, 44100);
var osc = context.createOscillator();
osc.frequency.value = -440;
osc.type = t;
osc.connect(context.destination);
osc.start();
context.startRendering().then(function(buffer) {
var samples = buffer.getChannelData(0);
// This samples the wave form in the middle of the first period, the value
// should be negative.
ok(samples[Math.floor(44100 / 440 / 4)] < 0., "Phase should be inverted when using a " + t + " waveform");
finish();
});
});
});
</script>
</pre>
</body>
</html>