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Unified Diff: third_party/WebKit/LayoutTests/webaudio/realtimeanalyser-downmix.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-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>

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