| Index: third_party/WebKit/LayoutTests/webaudio/audioparam-sampling.html
|
| diff --git a/third_party/WebKit/LayoutTests/webaudio/audioparam-sampling.html b/third_party/WebKit/LayoutTests/webaudio/audioparam-sampling.html
|
| deleted file mode 100644
|
| index 522ee8c484259123d78e888889e91c7b2c46587a..0000000000000000000000000000000000000000
|
| --- a/third_party/WebKit/LayoutTests/webaudio/audioparam-sampling.html
|
| +++ /dev/null
|
| @@ -1,183 +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/audioparam-testing.js"></script>
|
| - <title>Test Sampling of LinearRampToValueAtTime</title>
|
| - </head>
|
| -
|
| - <body>
|
| - <script>
|
| - description("Test Sampling of LinearRampToValueAtTime");
|
| -
|
| - window.jsTestIsAsync = true;
|
| - var sampleRate = 12800;
|
| - var context;
|
| -
|
| - var audit = Audit.createTaskRunner();
|
| -
|
| - function runTest(config) {
|
| - // Create a short context with a constant signal source connected to a gain node that will
|
| - // be automated.
|
| - context = new OfflineAudioContext(1, 256, sampleRate);
|
| -
|
| - // Create a constant unit amplitude source.
|
| - var source = context.createBufferSource();
|
| - var b = createConstantBuffer(context, 1, 1);
|
| - source.buffer = b;
|
| - source.loop = true;
|
| -
|
| - // Gain node that is to be automated.
|
| - var gain = context.createGain();
|
| - gain.gain.value = 0;
|
| - gain.gain.setValueAtTime(config.startValue, config.startTime);
|
| - config.automationFunction(gain);
|
| -
|
| - source.connect(gain);
|
| - gain.connect(context.destination);
|
| -
|
| - source.start();
|
| -
|
| - return context.startRendering().then(function (resultBuffer) {
|
| - // Check that the automation has the correct sampling.
|
| - var resultData = resultBuffer.getChannelData(0);
|
| -
|
| - // The automation has starts at config.startTime, so the frame just after this should have
|
| - // the automation applied.
|
| - var startFrame = Math.ceil(config.startTime * sampleRate);
|
| -
|
| - // The automation ends at config.endTime so the frame just before this should have the
|
| - // automation applied.
|
| - var endFrame = Math.floor(config.endTime * sampleRate);
|
| -
|
| - // Use the true automation to find the expected values.
|
| - var expectedStart = config.expectedFunction(startFrame / sampleRate);
|
| - var expectedEnd = config.expectedFunction(endFrame / sampleRate);
|
| -
|
| - var success = Should(config.desc + ": Sample " + startFrame,
|
| - resultData[startFrame], {
|
| - precision: 7
|
| - }).beCloseTo(expectedStart, config.startValueThreshold);
|
| - success = Should(config.desc + ": Sample " + endFrame,
|
| - resultData[endFrame], {
|
| - precision: 7
|
| - }).beCloseTo(expectedEnd, config.endValueThreshold) && success;
|
| -
|
| - if (success)
|
| - testPassed(config.desc + " passed.\n");
|
| - else
|
| - testFailed(config.desc + " failed.\n");
|
| - });
|
| - }
|
| -
|
| - function expectedLinear(t) {
|
| - var slope = (this.endValue - this.startValue) / (this.endTime - this.startTime);
|
| - return this.startValue + slope * (t - this.startTime);
|
| - };
|
| -
|
| - function expectedExponential(t) {
|
| - var ratio = this.endValue / this.startValue;
|
| - var exponent = (t - this.startTime) / (this.endTime - this.startTime);
|
| - return this.startValue * Math.pow(ratio, exponent);
|
| - };
|
| -
|
| - function linearAutomation(g) {
|
| - g.gain.linearRampToValueAtTime(this.endValue, this.endTime);
|
| - }
|
| -
|
| - function exponentialAutomation(g) {
|
| - g.gain.exponentialRampToValueAtTime(this.endValue, this.endTime);
|
| - }
|
| -
|
| - // Basically want to test that if neither the start time nor end time is on a frame boundary
|
| - // that we sample the automation curve correctly. The start times and end times are mostly
|
| - // arbitrary, except that they cannot be on a frame boundary.
|
| - var testConfigs = [{
|
| - desc: "linearRamp",
|
| - startTime: .1 / sampleRate,
|
| - endTime: 128.1 / sampleRate,
|
| - startValue: 1,
|
| - endValue: 0,
|
| - startValueThreshold: 1.201e-8,
|
| - endValueThreshold: 1.526e-5,
|
| - automationFunction: linearAutomation,
|
| - expectedFunction: expectedLinear
|
| - }, {
|
| - desc: "linearRamp:short",
|
| - startTime: .1 / sampleRate,
|
| - endTime: 5.1 / sampleRate,
|
| - startValue: 1,
|
| - endValue: 0,
|
| - startValueThreshold: 8.723e-9,
|
| - endValueThreshold: 9.537e-7,
|
| - automationFunction: linearAutomation,
|
| - expectedFunction: expectedLinear
|
| - }, {
|
| - desc: "linearRamp:long",
|
| - startTime: .1 / sampleRate,
|
| - endTime: 200.1 / sampleRate,
|
| - startValue: 1,
|
| - endValue: 0,
|
| - startValueThreshold: 2.827e-8,
|
| - endValueThreshold: 4.674e-5,
|
| - automationFunction: linearAutomation,
|
| - expectedFunction: expectedLinear
|
| - }, {
|
| - desc: "exponentialRamp",
|
| - startTime: .1 / sampleRate,
|
| - endTime: 128.1 / sampleRate,
|
| - startValue: 1,
|
| - endValue: 1e-5,
|
| - startValueThreshold: 2.505e-8,
|
| - endValueThreshold: 1.484e-7,
|
| - automationFunction: exponentialAutomation,
|
| - expectedFunction: expectedExponential
|
| - }, {
|
| - desc: "exponentialRamp:short",
|
| - startTime: .1 / sampleRate,
|
| - endTime: 5.1 / sampleRate,
|
| - startValue: 1,
|
| - endValue: 1e-5,
|
| - startValueThreshold: 5.027e-8,
|
| - endValueThreshold: 3.821e-7,
|
| - automationFunction: exponentialAutomation,
|
| - expectedFunction: expectedExponential
|
| - }, {
|
| - desc: "exponentialRamp:long",
|
| - startTime: .1 / sampleRate,
|
| - endTime: 200.1 / sampleRate,
|
| - startValue: 1,
|
| - endValue: 1e-5,
|
| - startValueThreshold: 8.035e-9,
|
| - endValueThreshold: 1.337e-6,
|
| - automationFunction: exponentialAutomation,
|
| - expectedFunction: expectedExponential
|
| - },
|
| - ];
|
| -
|
| - function createTaskFunction(config) {
|
| - return function (done) {
|
| - runTest(config).then(done);
|
| - };
|
| - }
|
| -
|
| - // Create all of the tasks from the test configs
|
| - for (var k = 0; k < testConfigs.length; ++k) {
|
| - var config = testConfigs[k];
|
| - var taskName = config.desc + ":task" + k;
|
| - audit.defineTask(taskName, createTaskFunction(config));
|
| - }
|
| -
|
| - audit.defineTask("finish", function (done) {
|
| - finishJSTest();
|
| - done();
|
| - });
|
| -
|
| - audit.runTasks();
|
| - successfullyParsed = true;
|
| - </script>
|
| - </body>
|
| -</html>
|
|
|
Chromium Code Reviews
Issue 2581463002:
Refactor WebAudio test directory (Closed)
