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1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
| 2 <html> |
| 3 <head> |
| 4 <title> |
| 5 delaynode-scheduling.html |
| 6 </title> |
| 7 <script src="../../resources/testharness.js"></script> |
| 8 <script src="../../resources/testharnessreport.js"></script> |
| 9 <script src="../resources/audit-util.js"></script> |
| 10 <script src="../resources/audit.js"></script> |
| 11 <script src="../resources/delay-testing.js"></script> |
| 12 </head> |
| 13 <body> |
| 14 <script id="layout-test-code"> |
| 15 let audit = Audit.createTaskRunner(); |
2 | 16 |
3 <html> | 17 audit.define( |
4 <head> | 18 { |
5 <script src="../../resources/testharness.js"></script> | 19 label: 'test', |
6 <script src="../../resources/testharnessreport.js"></script> | 20 description: |
7 <script src="../resources/audit-util.js"></script> | 21 'DelayNode delayTime parameter can be scheduled at a given time' |
8 <script src="../resources/audit.js"></script> | 22 }, |
9 <script src="../resources/delay-testing.js"></script> | 23 function(task, should) { |
10 </head> | |
11 | 24 |
12 <body> | 25 // Create offline audio context. |
13 <script> | 26 let context = new OfflineAudioContext( |
14 let audit = Audit.createTaskRunner(); | 27 1, sampleRate * renderLengthSeconds, sampleRate); |
| 28 let toneBuffer = createToneBuffer( |
| 29 context, 20, 20 * toneLengthSeconds, sampleRate); // 20Hz tone |
15 | 30 |
16 audit.define({ | 31 let bufferSource = context.createBufferSource(); |
17 label: "test", | 32 bufferSource.buffer = toneBuffer; |
18 description: "DelayNode delayTime parameter can be scheduled at a given time" | |
19 }, function (task, should) { | |
20 | 33 |
21 // Create offline audio context. | 34 let delay = context.createDelay(); |
22 var context = new OfflineAudioContext(1, sampleRate * renderLengthSeconds, s
ampleRate); | |
23 var toneBuffer = createToneBuffer(context, 20, 20 * toneLengthSeconds, sampl
eRate); // 20Hz tone | |
24 | |
25 var bufferSource = context.createBufferSource(); | |
26 bufferSource.buffer = toneBuffer; | |
27 | 35 |
28 var delay = context.createDelay(); | 36 // Schedule delay time at time zero. |
29 | 37 delay.delayTime.setValueAtTime(delayTimeSeconds, 0); |
30 // Schedule delay time at time zero. | |
31 delay.delayTime.setValueAtTime(delayTimeSeconds, 0); | |
32 | 38 |
33 bufferSource.connect(delay); | 39 bufferSource.connect(delay); |
34 delay.connect(context.destination); | 40 delay.connect(context.destination); |
35 bufferSource.start(0); | 41 bufferSource.start(0); |
36 | |
37 context.startRendering() | |
38 .then(buffer => checkDelayedResult(buffer, toneBuffer, should)) | |
39 .then(() => task.done()); | |
40 }); | |
41 | 42 |
42 audit.run(); | 43 context.startRendering() |
| 44 .then(buffer => checkDelayedResult(buffer, toneBuffer, should)) |
| 45 .then(() => task.done()); |
| 46 }); |
43 | 47 |
44 </script> | 48 audit.run(); |
45 | 49 </script> |
46 </body> | 50 </body> |
47 </html> | 51 </html> |
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