Index: third_party/WebKit/LayoutTests/webaudio/realtimeanalyser-downmix.html |
diff --git a/third_party/WebKit/LayoutTests/webaudio/realtimeanalyser-downmix.html b/third_party/WebKit/LayoutTests/webaudio/realtimeanalyser-downmix.html |
deleted file mode 100644 |
index 5981cb069881285fdcaa7deebd001cc9e1759218..0000000000000000000000000000000000000000 |
--- a/third_party/WebKit/LayoutTests/webaudio/realtimeanalyser-downmix.html |
+++ /dev/null |
@@ -1,126 +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/fft.js"></script> |
- <script src="resources/realtimeanalyser-testing.js"></script> |
- <title>Test AnalyserNode Downmixing</title> |
- </head> |
- |
- <body> |
- <script> |
- description("Test AnalyserNode Downmixing"); |
- window.jsTestIsAsync = true; |
- |
- var sampleRate = 44100; |
- var renderFrames = 2048; |
- |
- var audit = Audit.createTaskRunner(); |
- |
- var testConfigs = [{ |
- channelCount: 1, |
- message: "mono", |
- floatRelError: 6.3283e-8 |
- }, { |
- channelCount: 2, |
- message: "stereo", |
- floatRelError: 1.1681e-7 |
- }, { |
- channelCount: 4, |
- message: "quad", |
- floatRelError: 4.9793e-7 |
- }, { |
- channelCount: 6, |
- message: "5.1", |
- floatRelError: 2.0215e-7 |
- }, { |
- channelCount: 3, |
- message: "3-channel", |
- floatRelError: 6.3283e-8 |
- }]; |
- |
- // Create tasks for each entry in testConfigs |
- for (k in testConfigs) { |
- audit.defineTask(testConfigs[k].message, (function (config) { |
- return function(done) { |
- runTest(config).then(done); |
- }; |
- })(testConfigs[k])); |
- } |
- |
- audit.defineTask("finish", function (done) { |
- finishJSTest(); |
- done(); |
- }); |
- |
- audit.runTasks(); |
- |
- // Test downmixing of the AnalyserNode time data. We use the downmixing that automatically |
- // happens in the destination node to generate the reference data which is compared to the |
- // data that the Analyser node has captured. |
- function runTest(options) { |
- // Context MUST have exactly one channel so that we downmix the source to mono to generate |
- // the reference. |
- var context = new OfflineAudioContext(1, renderFrames, sampleRate); |
- |
- var channels = options.channelCount || 1; |
- var source = context.createBufferSource(); |
- |
- // The signals in each channel. Doesn't matter much what is in here, but it's best if the |
- // values aren't linearly increasing so that the average of the values isn't one of the |
- // values (in case the implementation does something silly). Only need to support up to 6 |
- // channels. |
- var bufferValues = [1, 2, 3, 4, 5, 6].map(function (x) { |
- return x * x |
- });; |
- source.buffer = createConstantBuffer(context, renderFrames, bufferValues.slice(0, channels)); |
- |
- var analyser = context.createAnalyser(); |
- analyser.smoothingTimeConstant = 0; |
- analyser.fftSize = 256; |
- |
- // Run analyser as an automatic pull node. Do NOT connect to the destination. We don't want |
- // the output of the analyser to mix in with the source that is also directly connected to |
- // the destination. |
- source.connect(analyser); |
- source.connect(context.destination); |
- |
- var timeData = new Float32Array(analyser.fftSize); |
- var freqData = new Float32Array(analyser.frequencyBinCount); |
- |
- var suspendFrame = analyser.fftSize; |
- context.suspend(suspendFrame / context.sampleRate).then(function () { |
- analyser.getFloatTimeDomainData(timeData); |
- analyser.getFloatFrequencyData(freqData); |
- }).then(context.resume.bind(context)); |
- |
- source.start(); |
- return context.startRendering().then(function (renderedBuffer) { |
- var success = true; |
- |
- // Verify the time domain data is correct. |
- var prefix = "Analyser downmix " + options.message + " to mono" |
- success = Should(prefix + " time data", timeData) |
- .beEqualToArray(renderedBuffer.getChannelData(0).subarray(0, analyser.fftSize)); |
- |
- var expectedTimeData = renderedBuffer.getChannelData(0).subarray(0, analyser.fftSize); |
- var fftOrder = Math.floor(Math.log2(analyser.fftSize)); |
- var expectedFreqData = computeFFTMagnitude(expectedTimeData, fftOrder).map(linearToDb); |
- |
- success = compareFloatFreq(prefix + " freq data", freqData, expectedFreqData, { |
- precision: 6, |
- floatRelError: options.floatRelError, |
- }) && success; |
- |
- if (success) |
- testPassed(prefix + " downmixed correctly.\n"); |
- else |
- testFailed(prefix + " not downmixed correctly.\n"); |
- }); |
- } |
- </script> |
- </body> |
-</html> |