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| (Empty) | |
| 1 <!doctype html> |
| 2 <html> |
| 3 <head> |
| 4 <title>Test FLAC-encoded HRTF databse</title> |
| 5 <script src="../resources/testharness.js"></script> |
| 6 <script src="../resources/testharnessreport.js"></script> |
| 7 <script src="resources/audit.js"></script> |
| 8 <script src="resources/buffer-loader.js"></script> |
| 9 </head> |
| 10 |
| 11 <body> |
| 12 <script> |
| 13 // This MUST be the sample rate used by the HTRF database! |
| 14 var sampleRate = 44100; |
| 15 |
| 16 var context; |
| 17 var wavBuffer; |
| 18 var flacBuffer; |
| 19 |
| 20 var audit = Audit.createTaskRunner(); |
| 21 |
| 22 audit.define("loadfiles", function (task, should) { |
| 23 task.describe("Load HRTF database files"); |
| 24 |
| 25 // Any valid context with the right sample rate will do. |
| 26 context = new OfflineAudioContext(1, 1, sampleRate); |
| 27 |
| 28 var bufferLoader = new BufferLoader( |
| 29 context, [ |
| 30 // This is a copy of the original file in |
| 31 // Sources/platform/audio/resources/Composite.wav |
| 32 "resources/hrtf/Composite.wav", |
| 33 // This is a copy of the original file in |
| 34 // Sources/platform/audio/resources/Composite.flac. |
| 35 "resources/hrtf/Composite.flac" |
| 36 ], |
| 37 function (bufferList) { |
| 38 should(bufferList.length, "Number of buffers loaded") |
| 39 .beEqualTo(2); |
| 40 wavBuffer = bufferList[0]; |
| 41 flacBuffer = bufferList[1]; |
| 42 task.done(); |
| 43 }); |
| 44 |
| 45 bufferLoader.load(); |
| 46 }); |
| 47 |
| 48 audit.define("verify-flac", function (task, should) { |
| 49 task.describe("Verify FLAC-encoded HRTF database matches original"); |
| 50 |
| 51 should(flacBuffer.numberOfChannels, "Number of FLAC channels") |
| 52 .beEqualTo(wavBuffer.numberOfChannels); |
| 53 |
| 54 for (var k = 0; k < wavBuffer.numberOfChannels; ++k) { |
| 55 should(flacBuffer.getChannelData(k), |
| 56 "FLAC-encoded HRTF database channel " + k |
| 57 ) |
| 58 .beEqualToArray(wavBuffer.getChannelData(k)); |
| 59 } |
| 60 |
| 61 task.done(); |
| 62 }); |
| 63 |
| 64 audit.run(); |
| 65 </script> |
| 66 </body> |
| 67 </html> |
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Chromium Code Reviews
Issue 2537183002:
Encode HRTF database using FLAC (Closed)
