| author | Raymond Toy <rtoy@chromium.org> |
| Tue, 15 May 2018 13:36:58 +0000 | |
| changeset 418586 | 7eb1c0f8b5714878acb0dcb507f4ee3c1dc0514e |
| parent 418585 | 7bb553acbd3d857eccd0f15d0f0fd6191d0b49df |
| child 418587 | ec6270ca64e1a8df3175a806ccb745900933e894 |
| push id | 34007 |
| push user | csabou@mozilla.com |
| push date | Thu, 17 May 2018 09:47:02 +0000 |
| treeherder | mozilla-central@8fb36531f7d0 [default view] [failures only] |
| perfherder | [talos] [build metrics] [platform microbench] (compared to previous push) |
| reviewers | testonly |
| bugs | 1459259, 10851, 745778, 1042853, 556958 |
| milestone | 62.0a1 |
| first release with | nightly linux32
nightly linux64
nightly mac
nightly win32
nightly win64
|
| last release without | nightly linux32
nightly linux64
nightly mac
nightly win32
nightly win64
|
--- a/testing/web-platform/meta/MANIFEST.json +++ b/testing/web-platform/meta/MANIFEST.json @@ -370977,16 +370977,34 @@ ] ], "webaudio/the-audio-api/the-analysernode-interface/ctor-analyser.html": [ [ "/webaudio/the-audio-api/the-analysernode-interface/ctor-analyser.html", {} ] ], + "webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-basic.html": [ + [ + "/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-basic.html", + {} + ] + ], + "webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html": [ + [ + "/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html", + {} + ] + ], + "webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-sizing.html": [ + [ + "/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-sizing.html", + {} + ] + ], "webaudio/the-audio-api/the-analysernode-interface/test-analyser-gain.html": [ [ "/webaudio/the-audio-api/the-analysernode-interface/test-analyser-gain.html", {} ] ], "webaudio/the-audio-api/the-analysernode-interface/test-analyser-minimum.html": [ [ @@ -611970,16 +611988,28 @@ "webaudio/the-audio-api/the-analysernode-interface/.gitkeep": [ "da39a3ee5e6b4b0d3255bfef95601890afd80709", "support" ], "webaudio/the-audio-api/the-analysernode-interface/ctor-analyser.html": [ "7e35ac29f00d39c84230535212c0b9ea081951d3", "testharness" ], + "webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-basic.html": [ + "a4058a967414b087e19ad8dd2af0999152f1491c", + "testharness" + ], + "webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html": [ + "f4a4122ebd500cba1d5fb383369849e31f73d7f7", + "testharness" + ], + "webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-sizing.html": [ + "9389a7e0b4c115a756e547225140150136d1103d", + "testharness" + ], "webaudio/the-audio-api/the-analysernode-interface/test-analyser-gain.html": [ "e2320e33ef1df0155d5fcf536550e0e398b15407", "testharness" ], "webaudio/the-audio-api/the-analysernode-interface/test-analyser-minimum.html": [ "26282412113f6298a90a2cac963a2b0de03ef43d", "testharness" ],
new file mode 100644 --- /dev/null +++ b/testing/web-platform/tests/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-basic.html @@ -0,0 +1,57 @@ +<!DOCTYPE html> +<html> + <head> + <title> + realtimeanalyser-basic.html + </title> + <script src="/resources/testharness.js"></script> + <script src="/resources/testharnessreport.js"></script> + <script src="/webaudio/resources/audit-util.js"></script> + <script src="/webaudio/resources/audit.js"></script> + </head> + <body> + <script id="layout-test-code"> + let context = 0; + + let audit = Audit.createTaskRunner(); + + audit.define('Basic AnalyserNode test', function(task, should) { + context = new AudioContext(); + let analyser = context.createAnalyser(); + + should(analyser.numberOfInputs, 'Number of inputs for AnalyserNode') + .beEqualTo(1); + + should(analyser.numberOfOutputs, 'Number of outputs for AnalyserNode') + .beEqualTo(1); + + should(analyser.minDecibels, 'Default minDecibels value') + .beEqualTo(-100); + + should(analyser.maxDecibels, 'Default maxDecibels value') + .beEqualTo(-30); + + should( + analyser.smoothingTimeConstant, + 'Default smoothingTimeConstant value') + .beEqualTo(0.8); + + let expectedValue = -50 - (1 / 3); + analyser.minDecibels = expectedValue; + + should(analyser.minDecibels, 'node.minDecibels = ' + expectedValue) + .beEqualTo(expectedValue); + + expectedValue = -40 - (1 / 3); + analyser.maxDecibels = expectedValue; + + should(analyser.maxDecibels, 'node.maxDecibels = ' + expectedValue) + .beEqualTo(expectedValue); + + task.done(); + }); + + audit.run(); + </script> + </body> +</html>
new file mode 100644 --- /dev/null +++ b/testing/web-platform/tests/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html @@ -0,0 +1,113 @@ +<!DOCTYPE html> +<html> + <head> + <title> + realtimeanalyser-fft-scaling.html + </title> + <script src="/resources/testharness.js"></script> + <script src="/resources/testharnessreport.js"></script> + <script src="/webaudio/resources/audit-util.js"></script> + <script src="/webaudio/resources/audit.js"></script> + </head> + <body> + <div id="description"></div> + <div id="console"></div> + <script id="layout-test-code"> + let audit = Audit.createTaskRunner(); + + // The number of analysers. We have analysers from size for each of the + // possible sizes of 2^5 to 2^15 for a total of 11. + let numberOfAnalysers = 11; + let sampleRate = 44100; + let nyquistFrequency = sampleRate / 2; + + // Frequency of the sine wave test signal. Should be high enough so that + // we get at least one full cycle for the 32-point FFT. This should also + // be such that the frequency should be exactly in one of the FFT bins for + // each of the possible FFT sizes. + let oscFrequency = nyquistFrequency / 16; + + // The actual peak values from each analyser. Useful for examining the + // actual peak values. + let peakValue = new Array(numberOfAnalysers); + + // For a 0dBFS sine wave, we would expect the FFT magnitude to be 0dB as + // well, but the analyzer node applies a Blackman window (to smooth the + // estimate). This reduces the energy of the signal so the FFT peak is + // less than 0dB. The threshold value given here was determined + // experimentally. + // + // See https://code.google.com/p/chromium/issues/detail?id=341596. + let peakThreshold = [ + -14.43, -13.56, -13.56, -13.56, -13.56, -13.56, -13.56, -13.56, -13.56, + -13.56, -13.56 + ]; + + function checkResult(order, analyser, should) { + return function() { + let index = order - 5; + let fftSize = 1 << order; + let fftData = new Float32Array(fftSize); + analyser.getFloatFrequencyData(fftData); + + // Compute the frequency bin that should contain the peak. + let expectedBin = + analyser.frequencyBinCount * (oscFrequency / nyquistFrequency); + + // Find the actual bin by finding the bin containing the peak. + let actualBin = 0; + peakValue[index] = -1000; + for (k = 0; k < analyser.frequencyBinCount; ++k) { + if (fftData[k] > peakValue[index]) { + actualBin = k; + peakValue[index] = fftData[k]; + } + } + + should(actualBin, (1 << order) + '-point FFT peak position') + .beEqualTo(expectedBin); + + should( + peakValue[index], (1 << order) + '-point FFT peak value in dBFS') + .beGreaterThanOrEqualTo(peakThreshold[index]); + } + } + + audit.define( + { + label: 'FFT scaling tests', + description: 'Test Scaling of FFT in AnalyserNode' + }, + function(task, should) { + let tests = []; + for (let k = 5; k <= 15; ++k) + tests.push(runTest(k, should)); + + // The order in which the tests finish is not important. + Promise.all(tests).then(task.done.bind(task)); + }); + + function runTest(order, should) { + let context = new OfflineAudioContext(1, 1 << order, sampleRate); + // Use a sine wave oscillator as the reference source signal. + let osc = context.createOscillator(); + osc.type = 'sine'; + osc.frequency.value = oscFrequency; + osc.connect(context.destination); + + let analyser = context.createAnalyser(); + // No smoothing to simplify the analysis of the result. + analyser.smoothingTimeConstant = 0; + analyser.fftSize = 1 << order; + osc.connect(analyser); + + osc.start(); + return context.startRendering().then(() => { + checkResult(order, analyser, should)(); + }); + } + + audit.run(); + </script> + </body> +</html>
new file mode 100644 --- /dev/null +++ b/testing/web-platform/tests/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-sizing.html @@ -0,0 +1,54 @@ +<!DOCTYPE html> +<html> + <head> + <title> + realtimeanalyser-fft-sizing.html + </title> + <script src="/resources/testharness.js"></script> + <script src="/resources/testharnessreport.js"></script> + <script src="/webaudio/resources/audit-util.js"></script> + <script src="/webaudio/resources/audit.js"></script> + </head> + <body> + <script id="layout-test-code"> + let audit = Audit.createTaskRunner(); + + function doTest(fftSize, illegal, should) { + let c = new OfflineAudioContext(1, 1000, 44100); + let a = c.createAnalyser(); + let message = 'Setting fftSize to ' + fftSize; + let tester = function() { + a.fftSize = fftSize; + }; + + if (illegal) { + should(tester, message).throw('IndexSizeError'); + } else { + should(tester, message).notThrow(); + } + } + + audit.define( + { + label: 'FFT size test', + description: 'Test that re-sizing the FFT arrays does not fail.' + }, + function(task, should) { + doTest(-1, true, should); + doTest(0, true, should); + doTest(1, true, should); + for (let i = 2; i <= 0x20000; i *= 2) { + if (i >= 32 && i <= 32768) + doTest(i, false, should); + else + doTest(i, true, should); + doTest(i + 1, true, should); + } + + task.done(); + }); + + audit.run(); + </script> + </body> +</html>