Index: third_party/WebKit/LayoutTests/webaudio/dynamicscompressor-simple.html |
diff --git a/third_party/WebKit/LayoutTests/webaudio/dynamicscompressor-simple.html b/third_party/WebKit/LayoutTests/webaudio/dynamicscompressor-simple.html |
deleted file mode 100644 |
index e82ffb5418d6d5cd4fcff4054bad386c54925ba5..0000000000000000000000000000000000000000 |
--- a/third_party/WebKit/LayoutTests/webaudio/dynamicscompressor-simple.html |
+++ /dev/null |
@@ -1,83 +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> |
- </head> |
- |
- <body> |
- <div id="description"></div> |
- <div id="console"></div> |
- |
- <script> |
- description("Test pre-emphasis in DynamicsCompressor is removed"); |
- var context; |
- var compressor; |
- var sampleRate = 44100; |
- var lengthInSeconds = 1; |
- var renderedData; |
- // This threshold experimentally determined. It depends on the the gain value of the gain node |
- // below and the dynamics compressor. When the DynamicsCompressor had the pre-emphasis |
- // filters, the peak value is about 0.21. Without it, the peak is about 0.84. |
- var peakThreshold = 0.83; |
- |
- function checkResult(event) { |
- var renderedBuffer = event.renderedBuffer; |
- renderedData = renderedBuffer.getChannelData(0); |
- // Search for a peak in the last part of the data. |
- var startSample = sampleRate * (lengthInSeconds - .1); |
- var endSample = renderedData.length; |
- var k; |
- var peak = -1; |
- |
- for (k = startSample; k < endSample; ++k) { |
- var sample = Math.abs(renderedData[k]); |
- if (peak < sample) |
- peak = sample; |
- } |
- |
- if (peak >= peakThreshold) { |
- testPassed("Pre-emphasis effect not applied as expected.."); |
- } else { |
- testFailed("Pre-emphasis caused output to be decreased to " + peak |
- + " (expected >= " + peakThreshold + ")"); |
- } |
- |
- if (compressor.reduction) |
- testPassed("Reduction value changed as expected.") |
- else |
- testFailed("Reduction value is still the default value of 0."); |
- finishJSTest(); |
- } |
- |
- function runTest() { |
- window.jsTestIsAsync = true; |
- |
- context = new OfflineAudioContext(1, sampleRate * lengthInSeconds, sampleRate); |
- // Connect an oscillator to a gain node to the compressor. The |
- // oscillator frequency is set to a high value for the (original) |
- // emphasis to kick in. The gain is a little extra boost to get the |
- // compressor enabled. |
- // |
- var osc = context.createOscillator(); |
- osc.frequency.value = 15000; |
- var gain = context.createGain(); |
- gain.gain.value = 1.5; |
- compressor = context.createDynamicsCompressor(); |
- osc.connect(gain); |
- gain.connect(compressor); |
- compressor.connect(context.destination); |
- osc.start(); |
- context.oncomplete = checkResult; |
- context.startRendering(); |
- } |
- |
- runTest(); |
- successfullyParsed = true; |
- |
- </script> |
- |
- </body> |
-</html> |