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Issue 2756113003: Revert of Reduce runtime of osc-negative-freq test (Closed)
Patch Set: 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. But it MUST be 13 // Some arbitrary sample rate for the offline context.
14 // at least twice the oscillator frequency that we're using for the 14 var sampleRate = 48000;
15 // test. (Currently 440 Hz.) 15 var renderDuration = 1;
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;
21 var renderFrames = renderDuration * sampleRate; 16 var renderFrames = renderDuration * sampleRate;
22 17
23 var audit = Audit.createTaskRunner(); 18 var audit = Audit.createTaskRunner();
24 19
25 audit.defineTask("sine", function (done) { 20 audit.defineTask("sine", function (done) {
26 runTest({ 21 runTest({
27 message: "Sum of positive and negative frequency sine oscillators", 22 message: "Sum of positive and negative frequency sine oscillators",
28 type: "sine", 23 type: "sine",
29 threshold: 3.5763e-7 24 threshold: 4.7684e-7
30 }).then(done); 25 }).then(done);
31 }); 26 });
32 27
33 audit.defineTask("square", function (done) { 28 audit.defineTask("square", function (done) {
34 runTest({ 29 runTest({
35 message: "Sum of positive and negative frequency square oscillators", 30 message: "Sum of positive and negative frequency square oscillators",
36 type: "square", 31 type: "square",
37 threshold: 1.4753e-6 32 threshold: 4.4108e-6
38 }).then(done); 33 }).then(done);
39 }); 34 });
40 35
41 audit.defineTask("sawtooth", function (done) { 36 audit.defineTask("sawtooth", function (done) {
42 runTest({ 37 runTest({
43 message: "Sum of positive and negative frequency sawtooth oscillators" , 38 message: "Sum of positive and negative frequency sawtooth oscillators" ,
44 type: "sawtooth", 39 type: "sawtooth",
45 threshold: 1.4753e-6 40 threshold: 4.3735e-6
46 }).then(done); 41 }).then(done);
47 }); 42 });
48 43
49 audit.defineTask("triangle", function (done) { 44 audit.defineTask("triangle", function (done) {
50 runTest({ 45 runTest({
51 message: "Sum of positive and negative frequency triangle oscillators" , 46 message: "Sum of positive and negative frequency triangle oscillators" ,
52 type: "triangle", 47 type: "triangle",
53 threshold: 2.9803e-7 48 threshold: 3.5763e-7
54 }).then(done); 49 }).then(done);
55 }); 50 });
56 51
57 audit.defineTask("auto-sawtooth", function (done) { 52 audit.defineTask("auto-sawtooth", function (done) {
58 runTest({ 53 runTest({
59 message: "Sum of positive and negative frequency-ramped sawtooth oscil lators", 54 message: "Sum of positive and negative frequency-ramped sawtooth oscil lators",
60 type: "sawtooth", 55 type: "sawtooth",
61 automation: { 56 automation: {
62 type: "linearRampToValueAtTime", 57 type: "linearRampToValueAtTime",
63 startTime: 0, 58 startTime: 0,
64 endTime: renderDuration / 2, 59 endTime: renderDuration / 2,
65 startFrequency: 440, 60 startFrequency: 440,
66 endFrequency: sampleRate / 4 61 endFrequency: sampleRate / 4
67 }, 62 },
68 threshold: 1.2070e-6 63 threshold: 4.1202e-6
69 }).then(done); 64 }).then(done);
70 }); 65 });
71 66
72 audit.defineTask("periodic-wave", function (done) { 67 audit.defineTask("periodic-wave", function (done) {
73 // Test negative frequencies for a custom oscillator. Two channels are 68 // Test negative frequencies for a custom oscillator. Two channels are
74 // needed for the context; one for the expected result, and one for the 69 // needed for the context; one for the expected result, and one for the
75 // actual, as explained below. 70 // actual, as explained below.
76 var context = new OfflineAudioContext(2, renderFrames, sampleRate); 71 var context = new OfflineAudioContext(2, renderFrames, sampleRate);
77 72
78 var oscPositive = context.createOscillator(); 73 var oscPositive = context.createOscillator();
(...skipping 57 matching lines...) Expand 10 before | Expand all | Expand 10 after
136 oscNegative.start(); 131 oscNegative.start();
137 132
138 context.startRendering().then(function (buffer) { 133 context.startRendering().then(function (buffer) {
139 var expected = buffer.getChannelData(0); 134 var expected = buffer.getChannelData(0);
140 var actual = buffer.getChannelData(1); 135 var actual = buffer.getChannelData(1);
141 136
142 Should("Sum of positive and negative frequency custom oscillators", 137 Should("Sum of positive and negative frequency custom oscillators",
143 actual, { 138 actual, {
144 precision: 6 139 precision: 6
145 }) 140 })
146 .beCloseToArray(expected, 3.5763e-7); 141 .beCloseToArray(expected, 4.7684e-7);
147 }).then(done); 142 }).then(done);
148 }); 143 });
149 144
150 audit.runTasks(); 145 audit.runTasks();
151 146
152 function runTest(options) { 147 function runTest(options) {
153 // To test if negative frequencies work, create two oscillators. One 148 // To test if negative frequencies work, create two oscillators. One
154 // has a positive frequency and the other has a negative frequency. 149 // has a positive frequency and the other has a negative frequency.
155 // Sum the oscillator outputs; the output should be zero because all of 150 // Sum the oscillator outputs; the output should be zero because all of
156 // the builtin oscillator types are odd functions of frequency. 151 // the builtin oscillator types are odd functions of frequency.
(...skipping 29 matching lines...) Expand all
186 var zero = new Float32Array(result.length); 181 var zero = new Float32Array(result.length);
187 zero.fill(0); 182 zero.fill(0);
188 Should(options.message, result, { 183 Should(options.message, result, {
189 verbose: true 184 verbose: true
190 }).beCloseToArray(zero, options.threshold || 0); 185 }).beCloseToArray(zero, options.threshold || 0);
191 }); 186 });
192 } 187 }
193 </script> 188 </script>
194 </body> 189 </body>
195 </html> 190 </html>
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