Index: third_party/WebKit/LayoutTests/webaudio/audioparam-setTargetAtTime-sampling.html |
diff --git a/third_party/WebKit/LayoutTests/webaudio/audioparam-setTargetAtTime-sampling.html b/third_party/WebKit/LayoutTests/webaudio/audioparam-setTargetAtTime-sampling.html |
deleted file mode 100644 |
index 92f0b6c6da7775d46b2dc11ba08961b85ff97656..0000000000000000000000000000000000000000 |
--- a/third_party/WebKit/LayoutTests/webaudio/audioparam-setTargetAtTime-sampling.html |
+++ /dev/null |
@@ -1,103 +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 for SetTargetAtTime</title> |
- </head> |
- |
- <body> |
- <script> |
- description("Test Sampling of SetTargetAtTime"); |
- |
- window.jsTestIsAsync = true; |
- // Some slow sample rate, but otherwise arbitrary. |
- var sampleRate = 12800; |
- |
- // Time constant for setTargetValue. Make it short, but is otherwise arbitrary. |
- var timeConstant = 10 / sampleRate; |
- |
- // Defaut initial gain for test. Arbitrary, but we want it large so the changes look large, |
- // even if the relative change isn't. |
- var initialGain = 10000; |
- |
- var audit = Audit.createTaskRunner(); |
- |
- // Test sampling of setTargetAtTime that starts at |startFrame|. A gain node is used for |
- // testing. |initializeGainFunction| initializes the gain value. |
- function doTest(message, startFrame, threshold, initializeGainFunction) { |
- var context = new OfflineAudioContext(1, 256, sampleRate); |
- var source = context.createBufferSource(); |
- var b = context.createBuffer(1, 1, sampleRate); |
- b.getChannelData(0)[0] = 1; |
- source.buffer = b; |
- source.loop = true; |
- |
- var gain = context.createGain(); |
- // Initialize the value of the gain node appropriately. |
- initializeGainFunction(gain); |
- gain.gain.setTargetAtTime(0, startFrame / sampleRate, timeConstant); |
- |
- source.connect(gain); |
- gain.connect(context.destination); |
- |
- source.start(); |
- |
- return context.startRendering().then(function (resultBuffer) { |
- // Verify that the sampling of the setTargetAtTime automation was done correctly. We just |
- // look at the sample just past the start of the automation. |
- var resultData = resultBuffer.getChannelData(0); |
- // Compute the true result at the frame just past startFrame and verify that the actual |
- // rendered result is within |threshold| of the expected value. |
- var frame = Math.ceil(startFrame); |
- var v = 10000 * Math.exp(-(frame / sampleRate - startFrame / sampleRate) / timeConstant); |
- Should(message + ": Target value at frame " + frame, resultData[frame]).beCloseTo(v, threshold); |
- }); |
- } |
- |
- function initializeGainBySetter (g) { |
- g.gain.value = initialGain; |
- } |
- |
- function initializeGainBySetValue (g) { |
- g.gain.setValueAtTime(initialGain, 0); |
- } |
- |
- audit.defineTask("setValue;128.1", function (done) { |
- doTest("Initialize by setValueAtTime", 128.1, 3.6029e-8, initializeGainBySetValue).then(done); |
- }); |
- |
- audit.defineTask("setValue;0.1", function (done) { |
- doTest("Initialize by setValueAtTime", 0.1, 3.6029e-8, initializeGainBySetValue).then(done); |
- }); |
- |
- audit.defineTask("setValue;0.0", function (done) { |
- doTest("Initialize by setValueAtTime", 0, 3.6029e-8, initializeGainBySetValue).then(done); |
- }); |
- |
- audit.defineTask("setter;128.1", function (done) { |
- doTest("Initialize by setter", 128.1, 3.6029e-8, initializeGainBySetter).then(done); |
- }); |
- |
- audit.defineTask("setter;0.1", function (done) { |
- doTest("Initialize by setter", 0.1, 3.6029e-8, initializeGainBySetter).then(done); |
- }); |
- |
- audit.defineTask("setter;0.0", function (done) { |
- doTest("Initialize by setter", 0, 0, initializeGainBySetter).then(done); |
- }); |
- |
- |
- audit.defineTask("finish", function (done) { |
- finishJSTest(); |
- done(); |
- }); |
- |
- audit.runTasks(); |
- successfullyParsed = true; |
- </script> |
- </body> |
-</html> |