mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
e6ca808683
--HG-- rename : content/media/webaudio/test/test_audioBufferSourceNodeLoop.html => content/media/webaudio/test/test_audioBufferSourceNodeEnded.html extra : rebase_source : 787d1d19b6463906ff9db8cbfb5e61d76a2ab667
61 lines
1.8 KiB
HTML
61 lines
1.8 KiB
HTML
<!DOCTYPE HTML>
|
|
<html>
|
|
<head>
|
|
<title>Test ChannelMergerNode</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">
|
|
|
|
var gTest = {
|
|
length: 2048,
|
|
numberOfChannels: 8,
|
|
createGraph: function(context) {
|
|
var buffers = [];
|
|
for (var j = 0; j < 4; ++j) {
|
|
var buffer = context.createBuffer(2, 2048, context.sampleRate);
|
|
for (var i = 0; i < 2048; ++i) {
|
|
buffer.getChannelData(0)[i] = Math.sin(440 * 2 * (j + 1) * Math.PI * i / context.sampleRate);
|
|
// Second channel is silent
|
|
}
|
|
buffers.push(buffer);
|
|
}
|
|
|
|
var merger = context.createChannelMerger();
|
|
is(merger.channelCount, 2, "merger node has 2 input channels by default");
|
|
is(merger.channelCountMode, "max", "Correct channelCountMode for the merger node");
|
|
is(merger.channelInterpretation, "speakers", "Correct channelCountInterpretation for the merger node");
|
|
|
|
for (var i = 0; i < 4; ++i) {
|
|
var source = context.createBufferSource();
|
|
source.buffer = buffers[i];
|
|
var gain = context.createGain();
|
|
gain.gain.value = 0.5;
|
|
source.connect(gain);
|
|
gain.connect(merger, 0, i);
|
|
source.start(0);
|
|
}
|
|
|
|
return merger;
|
|
},
|
|
createExpectedBuffers: function(context) {
|
|
var expectedBuffer = context.createBuffer(8, 2048, context.sampleRate);
|
|
for (var i = 0; i < 4; ++i) {
|
|
for (var j = 0; j < 2048; ++j) {
|
|
expectedBuffer.getChannelData(i * 2)[j] = Math.sin(440 * 2 * (i + 1) * Math.PI * j / context.sampleRate) / 2;
|
|
}
|
|
}
|
|
return expectedBuffer;
|
|
},
|
|
};
|
|
|
|
runTest();
|
|
|
|
</script>
|
|
</pre>
|
|
</body>
|
|
</html>
|