Index: third_party/WebKit/LayoutTests/webaudio/audioparam-summingjunction.html |
diff --git a/third_party/WebKit/LayoutTests/webaudio/audioparam-summingjunction.html b/third_party/WebKit/LayoutTests/webaudio/audioparam-summingjunction.html |
deleted file mode 100644 |
index 224445aeafd81cc25720de8fd4fb7188187ab4a6..0000000000000000000000000000000000000000 |
--- a/third_party/WebKit/LayoutTests/webaudio/audioparam-summingjunction.html |
+++ /dev/null |
@@ -1,132 +0,0 @@ |
-<!DOCTYPE html> |
- |
-<!-- |
-Tests that multiple audio-rate signals (AudioNode outputs) can be connected to an AudioParam |
-and that these signals are summed, along with the AudioParams intrinsic value. |
---> |
- |
-<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/mix-testing.js"></script> |
- |
-</head> |
-<body> |
- |
-<script> |
- |
-var sampleRate = 44100.0; |
-var lengthInSeconds = 1; |
- |
-var context = 0; |
- |
-// Buffers used by the two gain controlling sources. |
-var linearRampBuffer; |
-var toneBuffer; |
-var toneFrequency = 440; |
- |
-// Arbitrary non-zero value. |
-var baselineGain = 5; |
- |
-// Allow for a small round-off error. |
-var maxAllowedError = 1e-6; |
- |
-function checkResult(event) { |
- var renderedBuffer = event.renderedBuffer; |
- var renderedData = renderedBuffer.getChannelData(0); |
- |
- // Get buffer data from the two sources used to control gain. |
- var linearRampData = linearRampBuffer.getChannelData(0); |
- var toneData = toneBuffer.getChannelData(0); |
- |
- var n = renderedBuffer.length; |
- |
- if (n == linearRampBuffer.length) { |
- testPassed("Rendered signal is of correct length."); |
- } else { |
- testFailed("Rendered signal is not of correct length."); |
- } |
- |
- // Check that the rendered result exactly matches the sum of the intrinsic gain plus the two sources used to control gain. |
- // This is because we're changing the gain of a signal having constant value 1. |
- var success = true; |
- for (var i = 0; i < n; ++i) { |
- var expectedValue = baselineGain + linearRampData[i] + toneData[i]; |
- var error = Math.abs(expectedValue - renderedData[i]); |
- |
- if (error > maxAllowedError) { |
- success = false; |
- break; |
- } |
- } |
- |
- if (success) { |
- testPassed("Rendered signal matches sum of two audio-rate gain changing signals plus baseline gain."); |
- } else { |
- testFailed("Rendered signal differs from the sum of two audio-rate gain changing signals plus baseline gain."); |
- } |
- |
- finishJSTest(); |
-} |
- |
-function runTest() { |
- if (window.testRunner) { |
- testRunner.dumpAsText(); |
- testRunner.waitUntilDone(); |
- } |
- |
- window.jsTestIsAsync = true; |
- |
- var sampleFrameLength = sampleRate * lengthInSeconds; |
- |
- // Create offline audio context. |
- context = new OfflineAudioContext(1, sampleFrameLength, sampleRate); |
- |
- // Create buffer used by the source which will have its gain controlled. |
- var constantOneBuffer = createConstantBuffer(context, sampleFrameLength, 1); |
- var constantSource = context.createBufferSource(); |
- constantSource.buffer = constantOneBuffer; |
- |
- // Create 1st buffer used to control gain (a linear ramp). |
- linearRampBuffer = createLinearRampBuffer(context, sampleFrameLength); |
- var gainSource1 = context.createBufferSource(); |
- gainSource1.buffer = linearRampBuffer; |
- |
- // Create 2st buffer used to control gain (a simple sine wave tone). |
- toneBuffer = createToneBuffer(context, toneFrequency, lengthInSeconds, 1); |
- var gainSource2 = context.createBufferSource(); |
- gainSource2.buffer = toneBuffer; |
- |
- // Create a gain node controlling the gain of constantSource and make the connections. |
- var gainNode = context.createGain(); |
- |
- // Intrinsic baseline gain. |
- // This gain value should be summed with gainSource1 and gainSource2. |
- gainNode.gain.value = baselineGain; |
- |
- constantSource.connect(gainNode); |
- gainNode.connect(context.destination); |
- |
- // Connect two audio-rate signals to control the .gain AudioParam. |
- gainSource1.connect(gainNode.gain); |
- gainSource2.connect(gainNode.gain); |
- |
- // Start all sources at time 0. |
- constantSource.start(0); |
- gainSource1.start(0); |
- gainSource2.start(0); |
- |
- context.oncomplete = checkResult; |
- context.startRendering(); |
-} |
- |
-runTest(); |
-successfullyParsed = true; |
- |
-</script> |
- |
-</body> |
-</html> |