content/media/webaudio/test/test_offlineDestinationChannelCountMore.html@44a2da4a2ab2 (annotated)
content/media/webaudio/test/test_offlineDestinationChannelCountMore.html
Fri, 16 Jan 2015 04:50:19 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Fri, 16 Jan 2015 04:50:19 +0100
- branch
- TOR_BUG_9701
- changeset 13
- 44a2da4a2ab2
- permissions
- -rw-r--r--
Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32
| michael@0 | 1 | <!DOCTYPE HTML> |
| michael@0 | 2 | <html> |
| michael@0 | 3 | <head> |
| michael@0 | 4 | <title>Test OfflineAudioContext with a channel count less than the specified number</title> |
| michael@0 | 5 | <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> |
| michael@0 | 6 | <script type="text/javascript" src="webaudio.js"></script> |
| michael@0 | 7 | <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> |
| michael@0 | 8 | </head> |
| michael@0 | 9 | <body> |
| michael@0 | 10 | <pre id="test"> |
| michael@0 | 11 | <script class="testbody" type="text/javascript"> |
| michael@0 | 12 | |
| michael@0 | 13 | SimpleTest.waitForExplicitFinish(); |
| michael@0 | 14 | addLoadEvent(function() { |
| michael@0 | 15 | var ctx = new OfflineAudioContext(6, 100, 22050); |
| michael@0 | 16 | |
| michael@0 | 17 | var buf = ctx.createBuffer(2, 100, ctx.sampleRate); |
| michael@0 | 18 | for (var i = 0; i < 2; ++i) { |
| michael@0 | 19 | for (var j = 0; j < 100; ++j) { |
| michael@0 | 20 | buf.getChannelData(i)[j] = Math.sin(2 * Math.PI * 200 * j / ctx.sampleRate); |
| michael@0 | 21 | } |
| michael@0 | 22 | } |
| michael@0 | 23 | var emptyBuffer = ctx.createBuffer(1, 100, ctx.sampleRate); |
| michael@0 | 24 | |
| michael@0 | 25 | var src = ctx.createBufferSource(); |
| michael@0 | 26 | src.buffer = buf; |
| michael@0 | 27 | src.start(0); |
| michael@0 | 28 | src.connect(ctx.destination); |
| michael@0 | 29 | ctx.destination.channelCountMode = "max"; |
| michael@0 | 30 | ctx.startRendering(); |
| michael@0 | 31 | ctx.oncomplete = function(e) { |
| michael@0 | 32 | is(e.renderedBuffer.numberOfChannels, 6, "Correct expected number of buffers"); |
| michael@0 | 33 | compareChannels(e.renderedBuffer.getChannelData(0), buf.getChannelData(0)); |
| michael@0 | 34 | compareChannels(e.renderedBuffer.getChannelData(1), buf.getChannelData(1)); |
| michael@0 | 35 | for (var i = 2; i < 6; ++i) { |
| michael@0 | 36 | compareChannels(e.renderedBuffer.getChannelData(i), emptyBuffer.getChannelData(0)); |
| michael@0 | 37 | } |
| michael@0 | 38 | |
| michael@0 | 39 | SimpleTest.finish(); |
| michael@0 | 40 | }; |
| michael@0 | 41 | }); |
| michael@0 | 42 | |
| michael@0 | 43 | </script> |
| michael@0 | 44 | </pre> |
| michael@0 | 45 | </body> |
| michael@0 | 46 | </html> |
