| Index: third_party/WebKit/LayoutTests/webaudio/AudioBufferSource/audiobuffersource-playbackrate.html
|
| diff --git a/third_party/WebKit/LayoutTests/webaudio/AudioBufferSource/audiobuffersource-playbackrate.html b/third_party/WebKit/LayoutTests/webaudio/AudioBufferSource/audiobuffersource-playbackrate.html
|
| index 9e8740b698a743516e9b3a70a53c32d771bf677f..a68d978671c2b1469d3bd381b21b56af7112a49a 100644
|
| --- a/third_party/WebKit/LayoutTests/webaudio/AudioBufferSource/audiobuffersource-playbackrate.html
|
| +++ b/third_party/WebKit/LayoutTests/webaudio/AudioBufferSource/audiobuffersource-playbackrate.html
|
| @@ -2,29 +2,29 @@
|
| <html>
|
| <head>
|
| <title>AudioBufferSourceNode - playbackRate test</title>
|
| - <script src="../../resources/js-test.js"></script>
|
| + <script src="../../resources/testharness.js"></script>
|
| + <script src="../../resources/testharnessreport.js"></script>
|
| <script src="../resources/audit-util.js"></script>
|
| <script src="../resources/audio-testing.js"></script>
|
| </head>
|
| <body>
|
| <script>
|
| - description("Test if AudioBufferSourceNode.playbackRate can playback at different rates properly.");
|
| - window.jsTestIsAsync = true;
|
| + let audit = Audit.createTaskRunner();
|
|
|
| // Any sample rate mutiple of 128 is valid for this test, but here it uses
|
| // 48000Hz because it is a commonly used number that happens to be multiple
|
| // of 128.
|
| - var sampleRate = 48000;
|
| + let sampleRate = 48000;
|
|
|
| // The test iterates over 60 pitches starting from 36. (MIDI pitch of C2)
|
| - var fundamentalPitch = 36;
|
| - var numberOfPitches = 60;
|
| + let fundamentalPitch = 36;
|
| + let numberOfPitches = 60;
|
|
|
| - var noteDuration = 0.025;
|
| - var totalDuration = noteDuration * numberOfPitches;
|
| + let noteDuration = 0.025;
|
| + let totalDuration = noteDuration * numberOfPitches;
|
|
|
| // Test constraints for each octave.
|
| - var testConstraints = [{
|
| + let testConstraints = [{
|
| thresholdSNR: 103.8508,
|
| thresholdDiffULP: 0.3028
|
| }, {
|
| @@ -50,33 +50,33 @@
|
| }
|
|
|
| function createSineWaveBuffer(context, frequency, duration) {
|
| - var buffer = context.createBuffer(1, duration * sampleRate, sampleRate);
|
| - var data = buffer.getChannelData(0);
|
| - var omega = 2 * Math.PI * frequency / sampleRate;
|
| - for (var i = 0; i < data.length; i++)
|
| + let buffer = context.createBuffer(1, duration * sampleRate, sampleRate);
|
| + let data = buffer.getChannelData(0);
|
| + let omega = 2 * Math.PI * frequency / sampleRate;
|
| + for (let i = 0; i < data.length; i++)
|
| data[i] = Math.sin(omega * i);
|
|
|
| return buffer;
|
| }
|
|
|
| - var context = new OfflineAudioContext(2, totalDuration * sampleRate, sampleRate);
|
| -
|
| - // This is the fundamental buffer for playbackRate modulation. The duration of
|
| - // this buffer is arbitrary but long enough to produce the sound without
|
| + // This is the fundamental buffer for playbackRate modulation. The duration
|
| + // of this buffer is arbitrary but long enough to produce the sound without
|
| // running short.
|
| - var fundamentalBuffer = createSineWaveBuffer(context, pitchToFrequency(fundamentalPitch), totalDuration);
|
| + let fundamentalBuffer;
|
|
|
| // A unit test consists of 2 sources: the 'actual' source runs a buffer with
|
| - // the playback rate modulated and the 'expected' source runs a mathmatically
|
| - // generated sound buffer.
|
| + // the playback rate modulated and the 'expected' source runs a
|
| + // mathmatically generated sound buffer.
|
| function runUnitTest(context, noteStart, notePitch) {
|
| - var actualSrc = context.createBufferSource();
|
| - var expectedSrc = context.createBufferSource();
|
| - var merger = context.createChannelMerger(2);
|
| + let actualSrc = context.createBufferSource();
|
| + let expectedSrc = context.createBufferSource();
|
| + let merger = context.createChannelMerger(2);
|
|
|
| actualSrc.buffer = fundamentalBuffer;
|
| - expectedSrc.buffer = createSineWaveBuffer(context, pitchToFrequency(notePitch), noteDuration);
|
| - actualSrc.playbackRate.value = pitchDiffToPlaybackRate(notePitch - fundamentalPitch);
|
| + expectedSrc.buffer = createSineWaveBuffer(context,
|
| + pitchToFrequency(notePitch), noteDuration);
|
| + actualSrc.playbackRate.value =
|
| + pitchDiffToPlaybackRate(notePitch - fundamentalPitch);
|
|
|
| actualSrc.connect(merger, 0, 0);
|
| expectedSrc.connect(merger, 0, 1);
|
| @@ -88,30 +88,45 @@
|
| expectedSrc.stop(noteStart + noteDuration);
|
| }
|
|
|
| - // Schedule tests up to 60 pitches above from the fundamental pitch.
|
| - for (var iteration = 0; iteration < numberOfPitches; iteration++)
|
| - runUnitTest(context, noteDuration * iteration, fundamentalPitch + iteration);
|
| -
|
| - // Once the rendering is complete, split the buffer into 5 octaves. Then
|
| - // perform the SNR and the maximum difference ULP check for each octave with
|
| - // different constraints.
|
| - context.startRendering().then(function (renderedBuffer) {
|
| - var actual = renderedBuffer.getChannelData(0);
|
| - var expected = renderedBuffer.getChannelData(1);
|
| - var octaveLength = Math.floor(noteDuration * 12 * sampleRate);
|
| -
|
| - for (var i = 0; i < numberOfPitches / 12; i++) {
|
| - var start = i * octaveLength, end = (i + 1) * octaveLength;
|
| - var octaveActual = actual.subarray(start, end);
|
| - var octaveExpected = expected.subarray(start, end);
|
| -
|
| - compareBuffersWithConstraints(octaveActual, octaveExpected, testConstraints[i]);
|
| - }
|
|
|
| - finishJSTest();
|
| + // Test if AudioBufferSourceNode.playbackRate can playback at different rates
|
| + // properly.
|
| + audit.defineTask("playbackrate-test", function (taskDone) {
|
| + let context = new OfflineAudioContext(2, totalDuration *
|
| + sampleRate,
|
| + sampleRate);
|
| + fundamentalBuffer = createSineWaveBuffer(context,
|
| + pitchToFrequency(fundamentalPitch), totalDuration);
|
| +
|
| + // Schedule tests up to 60 pitches above from the fundamental pitch.
|
| + for (let iteration = 0; iteration < numberOfPitches; iteration++)
|
| + runUnitTest(context, noteDuration * iteration, fundamentalPitch +
|
| + iteration);
|
| +
|
| + // Once the rendering is complete, split the buffer into 5 octaves. Then
|
| + // perform the SNR and the maximum difference ULP check for each octave
|
| + // with different constraints.
|
| + context.startRendering()
|
| + .then(function (renderedBuffer) {
|
| + let actual = renderedBuffer.getChannelData(0);
|
| + let expected = renderedBuffer.getChannelData(1);
|
| + let octaveLength = Math.floor(noteDuration * 12 * sampleRate);
|
| +
|
| + for (let i = 0; i < numberOfPitches / 12; i++) {
|
| + let start = i * octaveLength;
|
| + let end = (i + 1) * octaveLength;
|
| + let octaveActual = actual.subarray(start, end);
|
| + let octaveExpected = expected.subarray(start, end);
|
| +
|
| + compareBuffersWithConstraints(octaveActual, octaveExpected,
|
| + testConstraints[i]);
|
| + }
|
| +
|
| + })
|
| + .then(taskDone);
|
| });
|
|
|
| - successfullyParsed = true;
|
| + audit.runTasks();
|
| </script>
|
| </body>
|
| </html>
|
|
|
Chromium Code Reviews
Issue 2596983002:
Convert audiobuffersource-playbackrate to testharness (Closed)
