content/media/webaudio/test/test_mediaStreamAudioSourceNodeCrossOrigin.html@44a2da4a2ab2 (annotated)
content/media/webaudio/test/test_mediaStreamAudioSourceNodeCrossOrigin.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 | <meta charset="utf-8"> |
| michael@0 | 4 | <head> |
| michael@0 | 5 | <title>Test MediaStreamAudioSourceNode doesn't get data from cross-origin media resources</title> |
| michael@0 | 6 | <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.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 | SimpleTest.waitForExplicitFinish(); |
| michael@0 | 13 | |
| michael@0 | 14 | var audio = new Audio("http://example.org:80/tests/content/media/webaudio/test/small-shot.ogg"); |
| michael@0 | 15 | var context = new AudioContext(); |
| michael@0 | 16 | var node = context.createMediaStreamSource(audio.mozCaptureStreamUntilEnded()); |
| michael@0 | 17 | var sp = context.createScriptProcessor(2048, 1); |
| michael@0 | 18 | node.connect(sp); |
| michael@0 | 19 | var nonzeroSampleCount = 0; |
| michael@0 | 20 | var complete = false; |
| michael@0 | 21 | var iterationCount = 0; |
| michael@0 | 22 | |
| michael@0 | 23 | // This test ensures we receive at least expectedSampleCount nonzero samples |
| michael@0 | 24 | function processSamples(e) { |
| michael@0 | 25 | if (complete) { |
| michael@0 | 26 | return; |
| michael@0 | 27 | } |
| michael@0 | 28 | |
| michael@0 | 29 | if (iterationCount == 0) { |
| michael@0 | 30 | // Don't start playing the audio until the AudioContext stuff is connected |
| michael@0 | 31 | // and running. |
| michael@0 | 32 | audio.play(); |
| michael@0 | 33 | } |
| michael@0 | 34 | ++iterationCount; |
| michael@0 | 35 | |
| michael@0 | 36 | var buf = e.inputBuffer.getChannelData(0); |
| michael@0 | 37 | var nonzeroSamplesThisBuffer = 0; |
| michael@0 | 38 | for (var i = 0; i < buf.length; ++i) { |
| michael@0 | 39 | if (buf[i] != 0) { |
| michael@0 | 40 | ++nonzeroSamplesThisBuffer; |
| michael@0 | 41 | } |
| michael@0 | 42 | } |
| michael@0 | 43 | is(nonzeroSamplesThisBuffer, 0, |
| michael@0 | 44 | "Checking all samples are zero"); |
| michael@0 | 45 | if (iterationCount >= 20) { |
| michael@0 | 46 | SimpleTest.finish(); |
| michael@0 | 47 | complete = true; |
| michael@0 | 48 | } |
| michael@0 | 49 | } |
| michael@0 | 50 | |
| michael@0 | 51 | audio.oncanplaythrough = function() { |
| michael@0 | 52 | sp.onaudioprocess = processSamples; |
| michael@0 | 53 | }; |
| michael@0 | 54 | </script> |
| michael@0 | 55 | </pre> |
| michael@0 | 56 | </body> |
| michael@0 | 57 | </html> |
