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Issue 2751213002: Reduce runtime of osc-negative-freq test (Closed)
Patch Set: Adjust thresholds for mac10.11 retina Created 3 years, 9 months ago
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1 <!doctype html> 1 <!doctype html>
2 <html> 2 <html>
3 <head> 3 <head>
4 <script src="../../resources/testharness.js"></script> 4 <script src="../../resources/testharness.js"></script>
5 <script src="../../resources/testharnessreport.js"></script> 5 <script src="../../resources/testharnessreport.js"></script>
6 <script src="../resources/audit-util.js"></script> 6 <script src="../resources/audit-util.js"></script>
7 <script src="../resources/audio-testing.js"></script> 7 <script src="../resources/audio-testing.js"></script>
8 <title>Test OscillatorNode with Negative Frequency</title> 8 <title>Test OscillatorNode with Negative Frequency</title>
9 </head> 9 </head>
10 10
11 <body> 11 <body>
12 <script> 12 <script>
13 // Some arbitrary sample rate for the offline context. 13 // Some arbitrary sample rate for the offline context. But it MUST be
14 var sampleRate = 48000; 14 // at least twice the oscillator frequency that we're using for the
15 var renderDuration = 1; 15 // test. (Currently 440 Hz.)
16 var sampleRate = 16000;
17
18 // A fairly arbitrary duration that should have at least 1-2 sample
19 // periods of the oscillator (at a nominal 440 Hz).
20 var renderDuration = 0.1;
16 var renderFrames = renderDuration * sampleRate; 21 var renderFrames = renderDuration * sampleRate;
17 22
18 var audit = Audit.createTaskRunner(); 23 var audit = Audit.createTaskRunner();
19 24
20 audit.defineTask("sine", function (done) { 25 audit.defineTask("sine", function (done) {
21 runTest({ 26 runTest({
22 message: "Sum of positive and negative frequency sine oscillators", 27 message: "Sum of positive and negative frequency sine oscillators",
23 type: "sine", 28 type: "sine",
24 threshold: 4.7684e-7 29 threshold: 3.5763e-7
25 }).then(done); 30 }).then(done);
26 }); 31 });
27 32
28 audit.defineTask("square", function (done) { 33 audit.defineTask("square", function (done) {
29 runTest({ 34 runTest({
30 message: "Sum of positive and negative frequency square oscillators", 35 message: "Sum of positive and negative frequency square oscillators",
31 type: "square", 36 type: "square",
32 threshold: 4.4108e-6 37 threshold: 1.4753e-6
33 }).then(done); 38 }).then(done);
34 }); 39 });
35 40
36 audit.defineTask("sawtooth", function (done) { 41 audit.defineTask("sawtooth", function (done) {
37 runTest({ 42 runTest({
38 message: "Sum of positive and negative frequency sawtooth oscillators" , 43 message: "Sum of positive and negative frequency sawtooth oscillators" ,
39 type: "sawtooth", 44 type: "sawtooth",
40 threshold: 4.3735e-6 45 threshold: 1.4753e-6
41 }).then(done); 46 }).then(done);
42 }); 47 });
43 48
44 audit.defineTask("triangle", function (done) { 49 audit.defineTask("triangle", function (done) {
45 runTest({ 50 runTest({
46 message: "Sum of positive and negative frequency triangle oscillators" , 51 message: "Sum of positive and negative frequency triangle oscillators" ,
47 type: "triangle", 52 type: "triangle",
48 threshold: 3.5763e-7 53 threshold: 2.9803e-7
49 }).then(done); 54 }).then(done);
50 }); 55 });
51 56
52 audit.defineTask("auto-sawtooth", function (done) { 57 audit.defineTask("auto-sawtooth", function (done) {
53 runTest({ 58 runTest({
54 message: "Sum of positive and negative frequency-ramped sawtooth oscil lators", 59 message: "Sum of positive and negative frequency-ramped sawtooth oscil lators",
55 type: "sawtooth", 60 type: "sawtooth",
56 automation: { 61 automation: {
57 type: "linearRampToValueAtTime", 62 type: "linearRampToValueAtTime",
58 startTime: 0, 63 startTime: 0,
59 endTime: renderDuration / 2, 64 endTime: renderDuration / 2,
60 startFrequency: 440, 65 startFrequency: 440,
61 endFrequency: sampleRate / 4 66 endFrequency: sampleRate / 4
62 }, 67 },
63 threshold: 4.1202e-6 68 threshold: 1.2368e-6
64 }).then(done); 69 }).then(done);
65 }); 70 });
66 71
67 audit.defineTask("periodic-wave", function (done) { 72 audit.defineTask("periodic-wave", function (done) {
68 // Test negative frequencies for a custom oscillator. Two channels are 73 // Test negative frequencies for a custom oscillator. Two channels are
69 // needed for the context; one for the expected result, and one for the 74 // needed for the context; one for the expected result, and one for the
70 // actual, as explained below. 75 // actual, as explained below.
71 var context = new OfflineAudioContext(2, renderFrames, sampleRate); 76 var context = new OfflineAudioContext(2, renderFrames, sampleRate);
72 77
73 var oscPositive = context.createOscillator(); 78 var oscPositive = context.createOscillator();
(...skipping 57 matching lines...) Expand 10 before | Expand all | Expand 10 after
131 oscNegative.start(); 136 oscNegative.start();
132 137
133 context.startRendering().then(function (buffer) { 138 context.startRendering().then(function (buffer) {
134 var expected = buffer.getChannelData(0); 139 var expected = buffer.getChannelData(0);
135 var actual = buffer.getChannelData(1); 140 var actual = buffer.getChannelData(1);
136 141
137 Should("Sum of positive and negative frequency custom oscillators", 142 Should("Sum of positive and negative frequency custom oscillators",
138 actual, { 143 actual, {
139 precision: 6 144 precision: 6
140 }) 145 })
141 .beCloseToArray(expected, 4.7684e-7); 146 .beCloseToArray(expected, 3.5763e-7);
142 }).then(done); 147 }).then(done);
143 }); 148 });
144 149
145 audit.runTasks(); 150 audit.runTasks();
146 151
147 function runTest(options) { 152 function runTest(options) {
148 // To test if negative frequencies work, create two oscillators. One 153 // To test if negative frequencies work, create two oscillators. One
149 // has a positive frequency and the other has a negative frequency. 154 // has a positive frequency and the other has a negative frequency.
150 // Sum the oscillator outputs; the output should be zero because all of 155 // Sum the oscillator outputs; the output should be zero because all of
151 // the builtin oscillator types are odd functions of frequency. 156 // the builtin oscillator types are odd functions of frequency.
(...skipping 29 matching lines...) Expand all
181 var zero = new Float32Array(result.length); 186 var zero = new Float32Array(result.length);
182 zero.fill(0); 187 zero.fill(0);
183 Should(options.message, result, { 188 Should(options.message, result, {
184 verbose: true 189 verbose: true
185 }).beCloseToArray(zero, options.threshold || 0); 190 }).beCloseToArray(zero, options.threshold || 0);
186 }); 191 });
187 } 192 }
188 </script> 193 </script>
189 </body> 194 </body>
190 </html> 195 </html>
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