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Unified Diff: third_party/WebKit/LayoutTests/webaudio/realtimeanalyser-freq-data.html

Issue 2581463002: Refactor WebAudio test directory (Closed)
Patch Set: Use correct path for wav result files Created 4 years ago
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Index: third_party/WebKit/LayoutTests/webaudio/realtimeanalyser-freq-data.html
diff --git a/third_party/WebKit/LayoutTests/webaudio/realtimeanalyser-freq-data.html b/third_party/WebKit/LayoutTests/webaudio/realtimeanalyser-freq-data.html
deleted file mode 100644
index ddcca7aaf9dcc2677438010982d820fc522bad66..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/webaudio/realtimeanalyser-freq-data.html
+++ /dev/null
@@ -1,215 +0,0 @@
-<!doctype html>
-<html>
- <head>
- <script src="../resources/js-test.js"></script>
- <script src="resources/compatibility.js"></script>
- <script src="resources/audit-util.js"></script>
- <script src="resources/audio-testing.js"></script>
- <script src="resources/realtimeanalyser-testing.js"></script>
- <script src="resources/fft.js"></script>
- <title>Test Analyser getFloatFrequencyData and getByteFrequencyData, No Smoothing</title>
- </head>
-
- <body>
- <script>
- description("Test AnalyserNode getFloatFrequencyData and getByteFrequencyData, no Smoothing");
- window.jsTestIsAsync = true;
-
- // Use a power of two to eliminate any round-off in the computation of the times for
- // context.suspend().
- var sampleRate = 32768;
-
- // The largest FFT size for the analyser node is 32768. We want to render longer than this so
- // that we have at least one complete buffer of data of 32768 samples.
- var renderFrames = 2 * 32768;
- var renderDuration = renderFrames / sampleRate;
-
- var audit = Audit.createTaskRunner();
-
- // Options for basic tests of the AnalyserNode frequency domain data. The thresholds are
- // experimentally determined.
- var testConfig = [{
- order: 5,
- // For this order, need to specify a higher minDecibels value for the analyser because the
- // FFT doesn't get that small. This allows us to test that (a changed) minDecibels has an
- // effect and that we properly clip the byte data.
- minDecibels: -50,
- floatRelError: 6.8964e-7,
- }, {
- order: 6,
- floatRelError: 6.8366e-6
- }, {
- order: 7,
- floatRelError: 1.4602e-6
- }, {
- order: 8,
- floatRelError: 8.4828e-7
- }, {
- order: 9,
- floatRelError: 2.3906e-5
- }, {
- order: 10,
- floatRelError: 2.0483e-5
- }, {
- order: 11,
- floatRelError: 1.3456e-5
- }, {
- order: 12,
- floatRelError: 4.6116e-7
- }, {
- order: 13,
- floatRelError: 3.2106e-7
- }, {
- order: 14,
- floatRelError: 1.1756e-7
- }, {
- order: 15,
- floatRelError: 1.1756e-7
- }];
-
- // True if all of the basic tests passed.
- var basicTestsPassed = true;
-
- // Generate tests for each entry in testConfig.
- for (var k = 0; k < testConfig.length; ++k) {
- var name = testConfig[k].order + "-order FFT";
- (function (config) {
- audit.defineTask(name, function (done) {
- basicFFTTest(config).then(done);
- });
- })(testConfig[k]);
- }
-
- // Just print a summary of the result of the above tests.
- audit.defineTask("summarize basic tests", function (done) {
- if (basicTestsPassed)
- testPassed("Basic frequency data computed correctly.\n");
- else
- testFailed("Basic frequency data computed incorrectly.\n");
- done();
- });
-
- // Test that smoothing isn't done and we have the expected data, calling getFloatFrequencyData
- // twice at different times.
- audit.defineTask("no smoothing", function (done) {
- // Use 128-point FFT for the test. The actual order doesn't matter (but the error threshold
- // depends on the order).
- var options = {
- order: 7,
- smoothing: 0,
- floatRelError: 1.2548e-6
- };
- var graph = createGraph(options);
- var context = graph.context;
- var analyser = graph.analyser;
-
- // Be sure to suspend after the analyser fftSize so we get a full buffer of data. We will
- // grab the FFT data to prime the pump for smoothing. We don't need to check the results
- // (because this is tested above in the basicFFTTests).
- var suspendFrame = Math.max(128, analyser.fftSize);
- context.suspend(suspendFrame / sampleRate).then(function () {
- // Grab the time and frequency data. But we don't care what values we get now; we just
- // want to prime the analyser.
- var freqData = new Float32Array(analyser.frequencyBinCount);
-
- // Grab the frequency domain data
- analyser.getFloatFrequencyData(freqData);
- }).then(context.resume.bind(context));
-
- // Grab another set of data after one rendering quantum. We will test this to make sure
- // smoothing was not done.
- suspendFrame += 128;
- context.suspend(suspendFrame / sampleRate).then(function () {
- var timeData = new Float32Array(analyser.fftSize);
- var freqData = new Float32Array(analyser.frequencyBinCount);
-
- // Grab the time domain and frequency domain data
- analyser.getFloatTimeDomainData(timeData);
- analyser.getFloatFrequencyData(freqData);
-
- var expected = computeFFTMagnitude(timeData, options.order).map(linearToDb);
- var comparison = compareFloatFreq(Math.pow(2, options.order) + "-point float FFT",
- freqData, expected, options);
- basicTestsPassed = basicTestsPassed && comparison.success;
-
- if (comparison.success)
- testPassed("Smoothing constant of 0 correctly handled.\n");
- else
- testFailed("Smoothing constant of 0 incorrectly handled.\n");
- }).then(context.resume.bind(context));
-
- context.startRendering().then(done);
- });
-
- audit.defineTask("finish", function (done) {
- finishJSTest();
- done();
- });
-
- audit.runTasks();
-
- // Run a simple test of the AnalyserNode's frequency domain data. Both the float and byte
- // frequency data are tested. The byte tests depend on the float tests being correct.
- //
- // The parameters of the test are given by |options| which is a property bag consisting of the
- // following:
- //
- // order: Order of the FFT to test.
- // smoothing: smoothing time constant for the analyser.
- // minDecibels: min decibels value for the analyser.
- // floatRelError: max allowed relative error for the float FFT data
- function basicFFTTest(options) {
- var graph = createGraph(options);
- var context = graph.context;
- var analyser = graph.analyser;
-
- var suspendTime = Math.max(128, analyser.fftSize) / sampleRate;
- context.suspend(suspendTime).then(function () {
- var timeData = new Float32Array(analyser.fftSize);
- var freqData = new Float32Array(analyser.frequencyBinCount);
-
- // Grab the time domain and frequency domain data
- analyser.getFloatTimeDomainData(timeData);
- analyser.getFloatFrequencyData(freqData);
-
- var expected = computeFFTMagnitude(timeData, options.order).map(linearToDb);
- var comparison = compareFloatFreq(Math.pow(2, options.order) + "-point float FFT",
- freqData, expected, options);
- basicTestsPassed = basicTestsPassed && comparison.success;
- var expected = comparison.expected;
-
- // For the byte test to be better, check that there are some samples that are outside the
- // range of minDecibels and maxDecibels. If there aren't the test should update the
- // minDecibels and maxDecibels values for the analyser.
-
- var minValue = Math.min(...expected);
- var maxValue = Math.max(...expected);
-
- basicTestsPassed = Should("Min FFT value", minValue, {
- brief: true
- })
- .beLessThanOrEqualTo(analyser.minDecibels) && basicTestsPassed;
- basicTestsPassed = Should("Max FFT value", maxValue, {
- brief: true
- })
- .beGreaterThanOrEqualTo(analyser.maxDecibels) && basicTestsPassed;
-
- // Test the byte frequency data.
- var byteFreqData = new Uint8Array(analyser.frequencyBinCount);
- var expectedByteData = new Float32Array(analyser.frequencyBinCount);
- analyser.getByteFrequencyData(byteFreqData);
-
- // Convert the expected float frequency data to byte data.
- var expectedByteData = convertFloatToByte(expected, analyser.minDecibels,
- analyser.maxDecibels);
-
- basicTestsPassed = Should(analyser.fftSize + "-point byte FFT", byteFreqData)
- .beCloseToArray(expectedByteData, 0) && basicTestsPassed;
-
- }).then(context.resume.bind(context));
-
- return context.startRendering();
- }
- </script>
- </body>
-</html>

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