content/media/webaudio/test/test_pannerNodeAbove.html@6474c204b198
content/media/webaudio/test/test_pannerNodeAbove.html
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 <!DOCTYPE HTML>
2 <html>
3 <head>
4 <title>Test PannerNode directly above</title>
5 <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
6 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
7 </head>
8 <body>
9 <pre id="test">
10 <script src="webaudio.js" type="text/javascript"></script>
11 <script class="testbody" type="text/javascript">
13 var gTest = {
14 numberOfChannels: 2,
15 createGraph: function(context) {
16 // An up vector will be made perpendicular to the front vector, in the
17 // front-up plane.
18 context.listener.setOrientation(0, 6.311749985202524e+307, 0, 0.1, 1000, 0);
19 // Linearly dependent vectors are ignored.
20 context.listener.setOrientation(0, 0, -6.311749985202524e+307, 0, 0, 6.311749985202524e+307);
21 var panner = context.createPanner();
22 panner.setPosition(2, 0, 0); // directly above
23 panner.rolloffFactor = 0; // no distance gain
24 panner.panningModel = "equalpower"; // no effect when directly above
26 var source = context.createBufferSource();
27 source.buffer = this.buffer;
28 source.connect(panner);
29 source.start(0);
31 return panner;
32 },
33 createExpectedBuffers: function(context) {
34 var expectedBuffer = context.createBuffer(2, 2048, context.sampleRate);
35 for (var i = 0; i < 2048; ++i) {
36 // Different signals in left and right buffers
37 expectedBuffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate);
38 expectedBuffer.getChannelData(1)[i] = Math.sin(220 * 2 * Math.PI * i / context.sampleRate);
39 }
40 this.buffer = expectedBuffer;
41 return expectedBuffer;
42 },
43 };
45 runTest();
47 </script>
48 </pre>
49 </body>
50 </html>
