content/media/webaudio/test/test_decodeMultichannel.html@6474c204b198 (annotated)
content/media/webaudio/test/test_decodeMultichannel.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.
| 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 that we can decode 4 channel wave file in webaudio, but not in <audio></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 | var filename = "audio-quad.wav"; |
| michael@0 | 13 | |
| michael@0 | 14 | SimpleTest.waitForExplicitFinish(); |
| michael@0 | 15 | |
| michael@0 | 16 | function finishTest(a) { |
| michael@0 | 17 | if (a) { |
| michael@0 | 18 | a = null; |
| michael@0 | 19 | SimpleTest.finish(); |
| michael@0 | 20 | } |
| michael@0 | 21 | } |
| michael@0 | 22 | |
| michael@0 | 23 | function decodeUsingAudioElement() { |
| michael@0 | 24 | var a = new Audio(); |
| michael@0 | 25 | a.addEventListener("error", function() { |
| michael@0 | 26 | ok(true, "We should not be able to decode this file using an HTMLAudioElement"); |
| michael@0 | 27 | finishTest(a); |
| michael@0 | 28 | }); |
| michael@0 | 29 | a.addEventListener("loadedmetadata", function() { |
| michael@0 | 30 | ok(false, "We should not be able to decode this file using an HTMLMediaElement."); |
| michael@0 | 31 | finishTest(a); |
| michael@0 | 32 | }); |
| michael@0 | 33 | |
| michael@0 | 34 | a.src = filename; |
| michael@0 | 35 | a.load(); |
| michael@0 | 36 | } |
| michael@0 | 37 | |
| michael@0 | 38 | addLoadEvent(function() { |
| michael@0 | 39 | var xhr = new XMLHttpRequest(); |
| michael@0 | 40 | xhr.open("GET", filename); |
| michael@0 | 41 | xhr.responseType = "arraybuffer"; |
| michael@0 | 42 | xhr.onload = function() { |
| michael@0 | 43 | var context = new AudioContext(); |
| michael@0 | 44 | context.decodeAudioData(xhr.response, function(b) { |
| michael@0 | 45 | ok(true, "Decoding of a wave file with four channels succeded."); |
| michael@0 | 46 | is(b.numberOfChannels, 4, "The AudioBuffer should have 4 channels."); |
| michael@0 | 47 | decodeUsingAudioElement(); |
| michael@0 | 48 | }, function() { |
| michael@0 | 49 | ok(false, "Decoding of a wave file with four channels failed."); |
| michael@0 | 50 | decodeUsingAudioElement(); |
| michael@0 | 51 | }); |
| michael@0 | 52 | }; |
| michael@0 | 53 | xhr.send(null); |
| michael@0 | 54 | }); |
| michael@0 | 55 | </script> |
| michael@0 | 56 | </pre> |
| michael@0 | 57 | </body> |
| michael@0 | 58 | </html> |
