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| 1 <!doctype html> | 1 <!doctype html> |
| 2 <html> | 2 <html> |
| 3 | 3 |
| 4 <head> | 4 <head> |
| 5 <title>Test webm Decoding</title> | 5 <title>Test webm Decoding</title> |
| 6 <script src="../../../resources/testharness.js"></script> | 6 <script src="../../../resources/testharness.js"></script> |
| 7 <script src="../../../resources/testharnessreport.js"></script> | 7 <script src="../../../resources/testharnessreport.js"></script> |
| 8 <script src="../../resources/audit-util.js"></script> | 8 <script src="../../resources/audit-util.js"></script> |
| 9 <script src="../../resources/audit.js"></script> | 9 <script src="../../resources/audit.js"></script> |
| 10 <script src="../../resources/buffer-loader.js"></script> | 10 <script src="../../resources/buffer-loader.js"></script> |
| 11 </head> | 11 </head> |
| 12 | 12 |
| 13 <body> | 13 <body> |
| 14 <script> | 14 <script> |
| 15 let audit = Audit.createTaskRunner(); | 15 let audit = Audit.createTaskRunner(); |
| 16 let decodedAudio; | 16 let decodedAudio; |
| 17 let expectedAudio; | 17 let expectedAudio; |
| 18 | 18 |
| 19 audit.define('test', function(task, should) { | 19 audit.define( |
| 20 task.describe('Test webm decoding'); | 20 {label: 'test', description: 'Test webm decoding'}, |
| 21 function(task, should) { |
| 21 | 22 |
| 22 let context = new AudioContext(); | 23 let context = new AudioContext(); |
| 23 | 24 |
| 24 let bufferLoader = new BufferLoader( | 25 let bufferLoader = new BufferLoader( |
| 25 context, ['webm-decode-expected.wav', 'test-webm.webm'], | 26 context, ['webm-decode-expected.wav', 'test-webm.webm'], |
| 26 function(bufferList) { | 27 function(bufferList) { |
| 27 expectedAudio = bufferList[0]; | 28 expectedAudio = bufferList[0]; |
| 28 decodedAudio = bufferList[1]; | 29 decodedAudio = bufferList[1]; |
| 29 | 30 |
| 30 // Verify that we have the right number of channels and frames. | 31 // Verify that we have the right number of channels and |
| 31 should(decodedAudio.numberOfChannels, 'Number of channels') | 32 // frames. |
| 32 .beEqualTo(expectedAudio.numberOfChannels); | 33 should(decodedAudio.numberOfChannels, 'Number of channels') |
| 33 should(decodedAudio.length, 'Decoded number of frames') | 34 .beEqualTo(expectedAudio.numberOfChannels); |
| 34 .beEqualTo(expectedAudio.length); | 35 should(decodedAudio.length, 'Decoded number of frames') |
| 36 .beEqualTo(expectedAudio.length); |
| 35 | 37 |
| 36 // Verify that the actual data matches the expected data very | 38 // Verify that the actual data matches the expected data very |
| 37 // closely. | 39 // closely. |
| 38 for (let c = 0; c < expectedAudio.numberOfChannels; ++c) { | 40 for (let c = 0; c < expectedAudio.numberOfChannels; ++c) { |
| 39 let snrdB = 10 * | 41 let snrdB = 10 * |
| 40 Math.log10(computeSNR( | 42 Math.log10(computeSNR( |
| 41 decodedAudio.getChannelData(c), | 43 decodedAudio.getChannelData(c), |
| 42 expectedAudio.getChannelData(c))); | 44 expectedAudio.getChannelData(c))); |
| 43 should(snrdB, 'SNR between actual expected channel ' + c) | 45 should(snrdB, 'SNR between actual expected channel ' + c) |
| 44 .beGreaterThanOrEqualTo(109.56); | 46 .beGreaterThanOrEqualTo(109.56); |
| 45 should(decodedAudio.getChannelData(c), 'Decoded channel ' + c) | 47 should(decodedAudio.getChannelData(c), 'Decoded channel ' + c) |
| 46 .beCloseToArray( | 48 .beCloseToArray( |
| 47 expectedAudio.getChannelData(c), | 49 expectedAudio.getChannelData(c), |
| 48 {absoluteThreshold: 4.0234e-5}); | 50 {absoluteThreshold: 4.0234e-5}); |
| 49 } | 51 } |
| 50 | 52 |
| 51 task.done(); | 53 task.done(); |
| 52 }); | 54 }); |
| 53 | 55 |
| 54 bufferLoader.load(); | 56 bufferLoader.load(); |
| 55 }); | 57 }); |
| 56 | 58 |
| 57 audit.run(); | 59 audit.run(); |
| 58 </script> | 60 </script> |
| 59 </body> | 61 </body> |
| 60 | 62 |
| 61 </html> | 63 </html> |
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Chromium Code Reviews
Issue 2727663003:
Move task.describe to audit.define arg (Closed)
