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| (Empty) | |
| 1 <!doctype html> |
| 2 <html> |
| 3 <head> |
| 4 <title>Test decodeAudioData with Resampling Disabled</title> |
| 5 <script src="../resources/js-test.js"></script> |
| 6 <script src="resources/compatibility.js"></script> |
| 7 <script src="resources/audio-testing.js"></script> |
| 8 <script src="resources/buffer-loader.js"></script> |
| 9 </head> |
| 10 |
| 11 <body> |
| 12 <script> |
| 13 description("Test decodeAudioData with Resampling Disabled"); |
| 14 |
| 15 window.jsTestIsAsync = true; |
| 16 |
| 17 var sampleRate = 44100; |
| 18 var renderDuration = 1; |
| 19 |
| 20 var url = "resources/media/24bit-22khz.wav"; |
| 21 |
| 22 var audit = Audit.createTaskRunner(); |
| 23 |
| 24 audit.defineTask("no options", function (done) { |
| 25 var context = new OfflineAudioContext(1, sampleRate * renderDuration, sa
mpleRate); |
| 26 |
| 27 var request = new XMLHttpRequest(); |
| 28 request.open("GET", url, true); |
| 29 request.responseType = "arraybuffer"; |
| 30 |
| 31 request.onload = function () { |
| 32 context.decodeAudioData(request.response) |
| 33 .then(function (buffer) { |
| 34 Should("decodeAudioData(buffer) sampling rate", |
| 35 buffer.sampleRate).beEqualTo(sampleRate); |
| 36 }, |
| 37 function (code) { |
| 38 console.log("Failed to decode: " + code); |
| 39 }) |
| 40 .then(done); |
| 41 }; |
| 42 |
| 43 request.send(); |
| 44 }); |
| 45 |
| 46 audit.defineTask("options", function (done) { |
| 47 var context = new OfflineAudioContext(1, sampleRate * renderDuration, sa
mpleRate); |
| 48 |
| 49 var request = new XMLHttpRequest(); |
| 50 request.open("GET", url, true); |
| 51 request.responseType = "arraybuffer"; |
| 52 |
| 53 request.onload = function () { |
| 54 context.decodeAudioData(request.response, { |
| 55 randomKey: 42 |
| 56 }) |
| 57 .then(function (buffer) { |
| 58 Should("decodeAudioData(..., {randomKey: 42}) sampling rate", |
| 59 buffer.sampleRate).beEqualTo(sampleRate); |
| 60 }, |
| 61 function (code) { |
| 62 console.log("Failed to decode: " + code); |
| 63 }) |
| 64 .then(done); |
| 65 }; |
| 66 |
| 67 request.send(); |
| 68 }); |
| 69 |
| 70 audit.defineTask("resampling", function (done) { |
| 71 var context = new OfflineAudioContext(1, sampleRate * renderDuration, sa
mpleRate); |
| 72 |
| 73 var request = new XMLHttpRequest(); |
| 74 request.open("GET", url, true); |
| 75 request.responseType = "arraybuffer"; |
| 76 |
| 77 request.onload = function () { |
| 78 context.decodeAudioData(request.response, { |
| 79 disableResampling: false |
| 80 }) |
| 81 .then(function (buffer) { |
| 82 Should("decodeAudioData(..., {disableResampling: false}) samplin
g rate", |
| 83 buffer.sampleRate).beEqualTo(sampleRate); |
| 84 }, |
| 85 function (code) { |
| 86 console.log("Failed to decode: " + code); |
| 87 }) |
| 88 .then(done); |
| 89 }; |
| 90 |
| 91 request.send(); |
| 92 }); |
| 93 |
| 94 audit.defineTask("no-resampling", function (done) { |
| 95 var context = new OfflineAudioContext(1, sampleRate * renderDuration, sa
mpleRate); |
| 96 |
| 97 var request = new XMLHttpRequest(); |
| 98 request.open("GET", url, true); |
| 99 request.responseType = "arraybuffer"; |
| 100 |
| 101 request.onload = function () { |
| 102 var buffer; |
| 103 context.decodeAudioData(request.response, { |
| 104 disableResampling: true |
| 105 }) |
| 106 .then(function (buffer) { |
| 107 Should("decodeAudioData(..., {disableResampling: true}) sampling
rate", |
| 108 buffer.sampleRate).beEqualTo(22050); |
| 109 }, |
| 110 function (code) { |
| 111 console.log("Failed to decode: " + code); |
| 112 }) |
| 113 .then(done); |
| 114 }; |
| 115 |
| 116 request.send(); |
| 117 }); |
| 118 |
| 119 // All done! |
| 120 audit.defineTask("finish", function (done) { |
| 121 finishJSTest(); |
| 122 done(); |
| 123 }); |
| 124 |
| 125 audit.runTasks(); |
| 126 </script> |
| 127 </body> |
| 128 </html> |
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Chromium Code Reviews
Issue 2085353008:
Allow disabling of resampling in decodeAudioData
Base URL: https://chromium.googlesource.com/chromium/src.git@master