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1 <!DOCTYPE html> | |
2 | |
3 <html> | |
4 <head> | |
5 <script src="../resources/js-test.js"></script> | |
6 <script src="resources/compatibility.js"></script> | |
7 <script src="resources/audit-util.js"></script> | |
8 <script src="resources/audio-testing.js"></script> | |
9 <script src="resources/delay-testing.js"></script> | |
10 </head> | |
11 | |
12 <body> | |
13 | |
14 <div id="description"></div> | |
15 <div id="console"></div> | |
16 | |
17 <script> | |
18 description("Tests that DelayNode delayTime parameter can be scheduled at a give
n time."); | |
19 | |
20 function runTest() { | |
21 if (window.testRunner) { | |
22 testRunner.dumpAsText(); | |
23 testRunner.waitUntilDone(); | |
24 } | |
25 | |
26 window.jsTestIsAsync = true; | |
27 | |
28 // Create offline audio context. | |
29 var context = new OfflineAudioContext(1, sampleRate * renderLengthSeconds, s
ampleRate); | |
30 var toneBuffer = createToneBuffer(context, 20, 20 * toneLengthSeconds, sampl
eRate); // 20Hz tone | |
31 | |
32 var bufferSource = context.createBufferSource(); | |
33 bufferSource.buffer = toneBuffer; | |
34 | |
35 var delay = context.createDelay(); | |
36 | |
37 // Schedule delay time at time zero. | |
38 delay.delayTime.setValueAtTime(delayTimeSeconds, 0); | |
39 | |
40 bufferSource.connect(delay); | |
41 delay.connect(context.destination); | |
42 bufferSource.start(0); | |
43 | |
44 context.oncomplete = checkDelayedResult(toneBuffer); | |
45 context.startRendering(); | |
46 } | |
47 | |
48 runTest(); | |
49 | |
50 </script> | |
51 | |
52 </body> | |
53 </html> | |
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