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comparison: content/media/webaudio/test/test_delayNodeAtMax.html
content/media/webaudio/test/test_delayNodeAtMax.html
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| -1:000000000000 | 0:efad0fdffa42 |
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| 1 <!DOCTYPE HTML> | |
| 2 <html> | |
| 3 <head> | |
| 4 <title>Test DelayNode with maxDelayTime delay - bug 890528</title> | |
| 5 <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> | |
| 6 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> | |
| 7 </head> | |
| 8 <body> | |
| 9 <pre id="test"> | |
| 10 <script src="webaudio.js" type="text/javascript"></script> | |
| 11 <script class="testbody" type="text/javascript"> | |
| 12 | |
| 13 const signalLength = 2048; | |
| 14 const delayLength = 1000; // Not on a block boundary | |
| 15 const outputLength = 4096 // > signalLength + 2 * delayLength; | |
| 16 | |
| 17 function applySignal(buffer, offset) { | |
| 18 for (var i = 0; i < signalLength; ++i) { | |
| 19 buffer.getChannelData(0)[offset + i] = Math.cos(Math.PI * i / signalLength); | |
| 20 } | |
| 21 } | |
| 22 | |
| 23 var gTest = { | |
| 24 numberOfChannels: 1, | |
| 25 createGraph: function(context) { | |
| 26 var buffer = context.createBuffer(1, signalLength, context.sampleRate); | |
| 27 applySignal(buffer, 0); | |
| 28 | |
| 29 var source = context.createBufferSource(); | |
| 30 source.buffer = buffer; | |
| 31 | |
| 32 const delayTime = delayLength / context.sampleRate; | |
| 33 var delay = context.createDelay(delayTime); | |
| 34 delay.delayTime.value = delayTime; | |
| 35 | |
| 36 source.connect(delay); | |
| 37 | |
| 38 source.start(0); | |
| 39 return delay; | |
| 40 }, | |
| 41 createExpectedBuffers: function(context) { | |
| 42 var expectedBuffer = context.createBuffer(1, outputLength, context.sampleRate); | |
| 43 applySignal(expectedBuffer, delayLength); | |
| 44 return expectedBuffer; | |
| 45 }, | |
| 46 }; | |
| 47 | |
| 48 runTest(); | |
| 49 | |
| 50 </script> | |
| 51 </pre> | |
| 52 </body> | |
| 53 </html> |
