third_party/WebKit/LayoutTests/webaudio/realtimeanalyser-freq-data-smoothing.html - Issue 2200413005: Update WebAudio layout tests for Android (arm32)

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Issue 2200413005: Update WebAudio layout tests for Android (arm32) (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Minor cleanups. Created 4 years, 4 months ago

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1 <!doctype html>	1 <!doctype html>

2 <html>	2 <html>

3 <head>	3 <head>

4 <script src="../resources/js-test.js"></script>	4 <script src="../resources/js-test.js"></script>

5 <script src="resources/compatibility.js"></script>	5 <script src="resources/compatibility.js"></script>

6 <script src="resources/audio-testing.js"></script>	6 <script src="resources/audio-testing.js"></script>

7 <script src="resources/realtimeanalyser-testing.js"></script>	7 <script src="resources/realtimeanalyser-testing.js"></script>

8 <script src="resources/fft.js"></script>	8 <script src="resources/fft.js"></script>

9 <title>Test Analyser getFloatFrequencyData and getByteFrequencyData, Smoothi ng</title>	9 <title>Test Analyser getFloatFrequencyData and getByteFrequencyData, Smoothi ng</title>

10	10

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26	26

27 var audit = Audit.createTaskRunner();	27 var audit = Audit.createTaskRunner();

28	28

29 // Do one basic test of smoothing of the FFT data.	29 // Do one basic test of smoothing of the FFT data.

30 audit.defineTask("smoothing test", function (done) {	30 audit.defineTask("smoothing test", function (done) {

31 // Test only 512-point FFT. The size isn't too important as long as it' s greater than 128	31 // Test only 512-point FFT. The size isn't too important as long as it' s greater than 128

32 // (a rendering quantum).	32 // (a rendering quantum).

33 var options = {	33 var options = {

34 order: 9,	34 order: 9,

35 smoothing: 0.5,	35 smoothing: 0.5,

36 floatRelError: 5.7607e-6	36 floatRelError: 5.9207e-6

37 };	37 };

38	38

39 var success = true;	39 var success = true;

40	40

41 var graph = createGraph(options);	41 var graph = createGraph(options);

42	42

43 context = graph.context;	43 context = graph.context;

44 analyser = graph.analyser;	44 analyser = graph.analyser;

45	45

46 var smoothedFloatResult = new Float32Array(analyser.frequencyBinCount);	46 var smoothedFloatResult = new Float32Array(analyser.frequencyBinCount);

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90 var newFreqData = computeFFTMagnitude(timeData, options.order);	90 var newFreqData = computeFFTMagnitude(timeData, options.order);

91 // Smooth the data together	91 // Smooth the data together

92	92

93 smoothFFT(smoothedFloatResult, newFreqData, options.smoothing);	93 smoothFFT(smoothedFloatResult, newFreqData, options.smoothing);

94 var message = "Smoothed " + analyser.fftSize + "-point FFT at frame " +	94 var message = "Smoothed " + analyser.fftSize + "-point FFT at frame " +

95 (context.currentTime * sampleRate);	95 (context.currentTime * sampleRate);

96 var comparison = compareFloatFreq(message,	96 var comparison = compareFloatFreq(message,

97 freqDataInDb, smoothedFloatResult.map(linearToDb), {	97 freqDataInDb, smoothedFloatResult.map(linearToDb), {

98 order: options.order,	98 order: options.order,

99 smoothing: options.smoothing,	99 smoothing: options.smoothing,

100 floatRelError: 1.5979e-5	100 floatRelError: 2.5332e-5

101 });	101 });

102 success = success && comparison.success;	102 success = success && comparison.success;

103	103

104 // Test the byte frequency data.	104 // Test the byte frequency data.

105 var byteFreqData = new Uint8Array(analyser.frequencyBinCount);	105 var byteFreqData = new Uint8Array(analyser.frequencyBinCount);

106 var expectedByteData = new Float32Array(analyser.frequencyBinCount);	106 var expectedByteData = new Float32Array(analyser.frequencyBinCount);

107 analyser.getByteFrequencyData(byteFreqData);	107 analyser.getByteFrequencyData(byteFreqData);

108	108

109 // Convert the expected float frequency data to byte data.	109 // Convert the expected float frequency data to byte data.

110 var expectedByteData = convertFloatToByte(smoothedFloatResult.map(line arToDb),	110 var expectedByteData = convertFloatToByte(smoothedFloatResult.map(line arToDb),

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129 audit.defineTask("finish", function (done) {	129 audit.defineTask("finish", function (done) {

130 finishJSTest();	130 finishJSTest();

131 done();	131 done();

132 });	132 });

133	133

134 audit.runTasks();	134 audit.runTasks();

135	135

136 </script>	136 </script>

137 </body>	137 </body>

138 </html>	138 </html>

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