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

Issue 2895963003: Apply layout-test-tidy to LayoutTests/webaudio (Closed)
Patch Set: Created 3 years, 7 months ago
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Index: third_party/WebKit/LayoutTests/webaudio/Analyser/realtimeanalyser-freq-data-smoothing.html
diff --git a/third_party/WebKit/LayoutTests/webaudio/Analyser/realtimeanalyser-freq-data-smoothing.html b/third_party/WebKit/LayoutTests/webaudio/Analyser/realtimeanalyser-freq-data-smoothing.html
index a20d05e2eee60cdc8983e921c753f2c5e195f69c..bf8f7ff69182b317ae38bb0522fe5f12fd84ccb3 100644
--- a/third_party/WebKit/LayoutTests/webaudio/Analyser/realtimeanalyser-freq-data-smoothing.html
+++ b/third_party/WebKit/LayoutTests/webaudio/Analyser/realtimeanalyser-freq-data-smoothing.html
@@ -1,38 +1,35 @@
-<!doctype html>
+<!DOCTYPE html>
<html>
<head>
+ <title>
+ Test Analyser getFloatFrequencyData and getByteFrequencyData, Smoothing
+ </title>
<script src="../../resources/testharness.js"></script>
- <script src="../../resources/testharnessreport.js"></script>
+ <script src="../../resources/testharnessreport.js"></script>
<script src="../resources/audit-util.js"></script>
<script src="../resources/audit.js"></script>
<script src="../resources/realtimeanalyser-testing.js"></script>
<script src="../resources/fft.js"></script>
- <title>Test Analyser getFloatFrequencyData and getByteFrequencyData, Smoothing</title>
-
</head>
-
<body>
- <script>
- // Use a power of two to eliminate any round-off in the computation of the times for
- // context.suspend().
+ <script id="layout-test-code">
+ // Use a power of two to eliminate any round-off in the computation of the
+ // times for context.suspend().
let 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.
+ // 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.
let renderFrames = 2 * 32768;
let renderDuration = renderFrames / sampleRate;
let audit = Audit.createTaskRunner();
// Do one basic test of smoothing of the FFT data.
- audit.define("smoothing test", (task, should) => {
- // Test only 512-point FFT. The size isn't too important as long as it's greater than 128
- // (a rendering quantum).
- let options = {
- order: 9,
- smoothing: 0.5,
- floatRelError: 5.9207e-6
- };
+ audit.define('smoothing test', (task, should) => {
+ // Test only 512-point FFT. The size isn't too important as long as
+ // it's greater than 128 (a rendering quantum).
+ let options = {order: 9, smoothing: 0.5, floatRelError: 5.9207e-6};
let success = true;
@@ -46,76 +43,84 @@
// Stop after one analyser frame to get the initial FFT
let suspendFrame = analyser.fftSize;
- context.suspend(suspendFrame / sampleRate).then(function () {
- let timeData = new Float32Array(analyser.fftSize);
- let freqData = new Float32Array(analyser.frequencyBinCount);
- analyser.getFloatTimeDomainData(timeData);
- analyser.getFloatFrequencyData(freqData);
-
- let expectedFreq = computeFFTMagnitude(timeData, options.order);
- smoothFFT(smoothedFloatResult, expectedFreq, options.smoothing);
-
- let message = "First " + analyser.fftSize + "-point FFT at frame " + (context.currentTime *
- sampleRate);
- let comparison = compareFloatFreq(message, freqData, smoothedFloatResult.map(
- linearToDb), should, options);
- success = success && comparison.success;
-
- // Test the byte frequency data.
- let byteFreqData = new Uint8Array(analyser.frequencyBinCount);
- analyser.getByteFrequencyData(byteFreqData);
-
- // Convert the expected float frequency data to byte data.
- let expectedByteData = convertFloatToByte(smoothedFloatResult.map(linearToDb),
- analyser.minDecibels, analyser.maxDecibels);
-
- should(byteFreqData, analyser.fftSize + "-point byte FFT")
- .beCloseToArray(expectedByteData, 0);
-
- }).then(context.resume.bind(context));
-
- // Skip an analyser frame and grab another to verify that the smoothing is done correctly.
+ context.suspend(suspendFrame / sampleRate)
+ .then(function() {
+ let timeData = new Float32Array(analyser.fftSize);
+ let freqData = new Float32Array(analyser.frequencyBinCount);
+ analyser.getFloatTimeDomainData(timeData);
+ analyser.getFloatFrequencyData(freqData);
+
+ let expectedFreq = computeFFTMagnitude(timeData, options.order);
+ smoothFFT(smoothedFloatResult, expectedFreq, options.smoothing);
+
+ let message = 'First ' + analyser.fftSize +
+ '-point FFT at frame ' + (context.currentTime * sampleRate);
+ let comparison = compareFloatFreq(
+ message, freqData, smoothedFloatResult.map(linearToDb),
+ should, options);
+ success = success && comparison.success;
+
+ // Test the byte frequency data.
+ let byteFreqData = new Uint8Array(analyser.frequencyBinCount);
+ analyser.getByteFrequencyData(byteFreqData);
+
+ // Convert the expected float frequency data to byte data.
+ let expectedByteData = convertFloatToByte(
+ smoothedFloatResult.map(linearToDb), analyser.minDecibels,
+ analyser.maxDecibels);
+
+ should(byteFreqData, analyser.fftSize + '-point byte FFT')
+ .beCloseToArray(expectedByteData, 0);
+
+ })
+ .then(context.resume.bind(context));
+
+ // Skip an analyser frame and grab another to verify that the smoothing
+ // is done correctly.
suspendFrame += 2 * analyser.fftSize;
- context.suspend(suspendFrame / sampleRate).then(function () {
- let timeData = new Float32Array(analyser.fftSize);
- let freqDataInDb = new Float32Array(analyser.frequencyBinCount);
-
- // Grab the time domain and frequency domain data
- analyser.getFloatTimeDomainData(timeData);
- analyser.getFloatFrequencyData(freqDataInDb);
-
- let newFreqData = computeFFTMagnitude(timeData, options.order);
- // Smooth the data together
-
- smoothFFT(smoothedFloatResult, newFreqData, options.smoothing);
- let message = "Smoothed " + analyser.fftSize + "-point FFT at frame " +
- (context.currentTime * sampleRate);
- let comparison = compareFloatFreq(message,
- freqDataInDb, smoothedFloatResult.map(linearToDb), should, {
- order: options.order,
- smoothing: options.smoothing,
- floatRelError: 2.5332e-5
- });
- success = success && comparison.success;
-
- // Test the byte frequency data.
- let byteFreqData = new Uint8Array(analyser.frequencyBinCount);
- analyser.getByteFrequencyData(byteFreqData);
-
- // Convert the expected float frequency data to byte data.
- let expectedByteData = convertFloatToByte(smoothedFloatResult.map(linearToDb),
- analyser.minDecibels, analyser.maxDecibels);
-
- should(byteFreqData, analyser.fftSize + "-point byte FFT")
- .beCloseToArray(expectedByteData, 0);
-
- }).then(context.resume.bind(context));
+ context.suspend(suspendFrame / sampleRate)
+ .then(function() {
+ let timeData = new Float32Array(analyser.fftSize);
+ let freqDataInDb = new Float32Array(analyser.frequencyBinCount);
+
+ // Grab the time domain and frequency domain data
+ analyser.getFloatTimeDomainData(timeData);
+ analyser.getFloatFrequencyData(freqDataInDb);
+
+ let newFreqData = computeFFTMagnitude(timeData, options.order);
+ // Smooth the data together
+
+ smoothFFT(smoothedFloatResult, newFreqData, options.smoothing);
+ let message = 'Smoothed ' + analyser.fftSize +
+ '-point FFT at frame ' + (context.currentTime * sampleRate);
+ let comparison = compareFloatFreq(
+ message, freqDataInDb, smoothedFloatResult.map(linearToDb),
+ should, {
+ order: options.order,
+ smoothing: options.smoothing,
+ floatRelError: 2.5332e-5
+ });
+ success = success && comparison.success;
+
+ // Test the byte frequency data.
+ let byteFreqData = new Uint8Array(analyser.frequencyBinCount);
+ analyser.getByteFrequencyData(byteFreqData);
+
+ // Convert the expected float frequency data to byte data.
+ let expectedByteData = convertFloatToByte(
+ smoothedFloatResult.map(linearToDb), analyser.minDecibels,
+ analyser.maxDecibels);
+
+ should(byteFreqData, analyser.fftSize + '-point byte FFT')
+ .beCloseToArray(expectedByteData, 0);
+
+ })
+ .then(context.resume.bind(context));
context.startRendering().then(() => task.done());
});
audit.run();
-
</script>
</body>
</html>

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