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Issue 2895963003: Apply layout-test-tidy to LayoutTests/webaudio (Closed)
Patch Set: Created 3 years, 7 months ago
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1 <!doctype html> 1 <!DOCTYPE html>
2 <html> 2 <html>
3 <head> 3 <head>
4 <title>
5 Handle Silent Inputs to AnalyserNode
6 </title>
4 <script src="../../resources/testharness.js"></script> 7 <script src="../../resources/testharness.js"></script>
5 <script src="../../resources/testharnessreport.js"></script> 8 <script src="../../resources/testharnessreport.js"></script>
6 <script src="../resources/audit-util.js"></script> 9 <script src="../resources/audit-util.js"></script>
7 <script src="../resources/audit.js"></script> 10 <script src="../resources/audit.js"></script>
8 <title>Handle Silent Inputs to AnalyserNode</title>
9 </head> 11 </head>
10
11 <body> 12 <body>
12 <script> 13 <script id="layout-test-code">
13 let audit = Audit.createTaskRunner(); 14 let audit = Audit.createTaskRunner();
14 let sampleRate = 16000; 15 let sampleRate = 16000;
15 let renderDuration = 1; 16 let renderDuration = 1;
16 let renderFrames = renderDuration * sampleRate; 17 let renderFrames = renderDuration * sampleRate;
17 18
18 audit.define({ 19 audit.define(
19 label: 'connected', 20 {label: 'connected', description: 'Test handling of silent inputs'},
20 description: 'Test handling of silent inputs' 21 function(task, should) {
21 }, function (task, should) { 22 tester(should, false, '0').then(task.done.bind(task));
22 tester(should, false, '0').then(task.done.bind(task)); 23 });
23 });
24 24
25 audit.define({ 25 audit.define(
26 label: 'auto-pull', 26 {label: 'auto-pull', description: 'Test handling of silent inputs'},
27 description: 'Test handling of silent inputs' 27 function(task, should) {
28 }, function(task, should) { 28 tester(should, true, '1').then(task.done.bind(task));
29 tester(should, true, '1').then(task.done.bind(task)); 29 });
30 });
31 30
32 audit.define({ 31 audit.define(
33 label: 'timing', 32 {
34 description: 'Test shifting in of zeroes after source has stopped' 33 label: 'timing',
35 }, function(task, should) { 34 description: 'Test shifting in of zeroes after source has stopped'
36 let renderQuantumFrames = 128; 35 },
36 function(task, should) {
37 let renderQuantumFrames = 128;
37 38
38 // sampleRate chosen to be a power of two so we don't have round-off 39 // sampleRate chosen to be a power of two so we don't have round-off
39 // errors in computing the times for when to suspend the context. 40 // errors in computing the times for when to suspend the context.
40 let context = new OfflineAudioContext(1, 16384, 16384); 41 let context = new OfflineAudioContext(1, 16384, 16384);
41 let source = new ConstantSourceNode(context); 42 let source = new ConstantSourceNode(context);
42 43
43 // The fftSize for the analyser is fairly arbitrary, except the code 44 // The fftSize for the analyser is fairly arbitrary, except the code
44 // assumes it is larger than 128. 45 // assumes it is larger than 128.
45 let analyser = new AnalyserNode(context, {fftSize: 2048}); 46 let analyser = new AnalyserNode(context, {fftSize: 2048});
46 47
47 source.connect(analyser).connect(context.destination); 48 source.connect(analyser).connect(context.destination);
48 49
49 source.start(); 50 source.start();
50 51
51 // Stop the source after 1 fftSize frames. 52 // Stop the source after 1 fftSize frames.
52 let time = analyser.fftSize / context.sampleRate; 53 let time = analyser.fftSize / context.sampleRate;
53 source.stop(time); 54 source.stop(time);
54 55
55 // Verify that the time data at this point is constant. 56 // Verify that the time data at this point is constant.
56 context.suspend(time) 57 context.suspend(time)
57 .then(() => { 58 .then(() => {
58 let data = new Float32Array(analyser.fftSize); 59 let data = new Float32Array(analyser.fftSize);
59 analyser.getFloatTimeDomainData(data); 60 analyser.getFloatTimeDomainData(data);
60 should( 61 should(
61 data, 'At time ' + context.currentTime + 62 data,
62 ' Analyser frames [0, ' + analyser.fftSize + ')') 63 'At time ' + context.currentTime +
63 .beConstantValueOf(1); 64 ' Analyser frames [0, ' + analyser.fftSize + ')')
64 }) 65 .beConstantValueOf(1);
65 .then(context.resume.bind(context)); 66 })
67 .then(context.resume.bind(context));
66 68
67 // After each rendering quantum from the point at which the source 69 // After each rendering quantum from the point at which the source
68 // stopped, verify that zeroes are inserted into the time data one 70 // stopped, verify that zeroes are inserted into the time data one
69 // rendering quantum at a time. 71 // rendering quantum at a time.
70 72
71 let limit = analyser.fftSize / renderQuantumFrames; 73 let limit = analyser.fftSize / renderQuantumFrames;
72 74
73 for (let k = 1; k <= limit; ++k) { 75 for (let k = 1; k <= limit; ++k) {
74 let analyserTime = 76 let analyserTime = (analyser.fftSize + k * renderQuantumFrames) /
75 (analyser.fftSize + k * renderQuantumFrames) / context.sampleRate; 77 context.sampleRate;
76 context.suspend(analyserTime) 78 context.suspend(analyserTime)
77 .then(() => { 79 .then(() => {
78 let data = new Float32Array(analyser.fftSize); 80 let data = new Float32Array(analyser.fftSize);
79 let indexNewest = analyser.fftSize - k * renderQuantumFrames; 81 let indexNewest =
80 analyser.getFloatTimeDomainData(data); 82 analyser.fftSize - k * renderQuantumFrames;
81 if (k < limit) { 83 analyser.getFloatTimeDomainData(data);
82 should( 84 if (k < limit) {
83 data.slice(0, indexNewest), 'At time ' + 85 should(
84 context.currentTime + ' Analyser frames [0, ' + 86 data.slice(0, indexNewest),
85 indexNewest + ')') 87 'At time ' + context.currentTime +
86 .beConstantValueOf(1); 88 ' Analyser frames [0, ' + indexNewest + ')')
87 } 89 .beConstantValueOf(1);
88 should( 90 }
89 data.slice(indexNewest), 'At time ' + context.currentTime + 91 should(
90 ' Analyser frames [' + indexNewest + ', ' + 92 data.slice(indexNewest),
91 analyser.fftSize + ')') 93 'At time ' + context.currentTime +
92 .beConstantValueOf(0); 94 ' Analyser frames [' + indexNewest + ', ' +
93 }) 95 analyser.fftSize + ')')
94 .then(context.resume.bind(context)); 96 .beConstantValueOf(0);
95 } 97 })
98 .then(context.resume.bind(context));
99 }
96 100
97 // Start the test 101 // Start the test
98 context.startRendering().then(() => task.done()); 102 context.startRendering().then(() => task.done());
99 }); 103 });
100 104
101 audit.run(); 105 audit.run();
102 106
103 function tester(should, isAutoPullTest, prefix) { 107 function tester(should, isAutoPullTest, prefix) {
104 // Connect an oscillator to an analyser for testing the time data of the 108 // Connect an oscillator to an analyser for testing the time data of the
105 // analyser after the oscillator stops. 109 // analyser after the oscillator stops.
106 let context = new OfflineAudioContext(1, renderFrames, sampleRate); 110 let context = new OfflineAudioContext(1, renderFrames, sampleRate);
107 let source = new OscillatorNode(context); 111 let source = new OscillatorNode(context);
108 let analyser = new AnalyserNode(context, {fftSize: 128}); 112 let analyser = new AnalyserNode(context, {fftSize: 128});
109 let timeData = new Float32Array(analyser.fftSize); 113 let timeData = new Float32Array(analyser.fftSize);
(...skipping 10 matching lines...) Expand all
120 124
121 source.start(); 125 source.start();
122 126
123 // Stop the source well in advance of when we want to get the time data 127 // Stop the source well in advance of when we want to get the time data
124 // from the analyser. 128 // from the analyser.
125 let stopTime = 0.1; 129 let stopTime = 0.1;
126 let dataTime = 0.5; 130 let dataTime = 0.5;
127 131
128 source.stop(stopTime); 132 source.stop(stopTime);
129 context.suspend(dataTime) 133 context.suspend(dataTime)
130 .then(() => { analyser.getFloatTimeDomainData(timeData); }) 134 .then(() => {
135 analyser.getFloatTimeDomainData(timeData);
136 })
131 .then(context.resume.bind(context)); 137 .then(context.resume.bind(context));
132 138
133 return context.startRendering().then(buffer => { 139 return context.startRendering().then(buffer => {
134 should(timeData, prefix + ': Analyser time data at time ' + dataTime) 140 should(timeData, prefix + ': Analyser time data at time ' + dataTime)
135 .beConstantValueOf(0); 141 .beConstantValueOf(0);
136 }); 142 });
137 } 143 }
138 </script> 144 </script>
139 </body> 145 </body>
140 </html> 146 </html>
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