content/media/webaudio/test/test_mediaStreamAudioDestinationNode.html@6474c204b198
content/media/webaudio/test/test_mediaStreamAudioDestinationNode.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 MediaStreamAudioDestinationNode</title>
5 <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
6 <script type="text/javascript" src="webaudio.js"></script>
7 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
8 </head>
9 <body>
10 <pre id="test">
11 <audio id="audioelem"></audio>
12 <script class="testbody" type="text/javascript">
14 SimpleTest.waitForExplicitFinish();
15 addLoadEvent(function() {
16 var context = new AudioContext();
17 var buffer = context.createBuffer(1, 2048, context.sampleRate);
18 for (var i = 0; i < 2048; ++i) {
19 buffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate);
20 }
22 var source = context.createBufferSource();
23 source.buffer = buffer;
25 var dest = context.createMediaStreamDestination();
26 source.connect(dest);
28 var elem = document.getElementById('audioelem');
29 elem.mozSrcObject = dest.stream;
30 elem.onloadedmetadata = function() {
31 ok(true, "got metadata event");
32 setTimeout(function() {
33 is(elem.played.length, 1, "should have a played interval");
34 is(elem.played.start(0), 0, "should have played immediately");
35 isnot(elem.played.end(0), 0, "should have played for a non-zero interval");
36 SimpleTest.finish();
37 }, 2000);
38 };
40 source.start(0);
41 elem.play();
42 });
43 </script>
