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Unified Diff: third_party/WebKit/LayoutTests/webaudio/dynamicscompressor-simple.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/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>

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