| Index: third_party/WebKit/LayoutTests/webaudio/audiobuffersource-playbackrate-modulated-impulse.html
|
| diff --git a/third_party/WebKit/LayoutTests/webaudio/audiobuffersource-playbackrate-modulated-impulse.html b/third_party/WebKit/LayoutTests/webaudio/audiobuffersource-playbackrate-modulated-impulse.html
|
| deleted file mode 100644
|
| index f90ed4c90d9c1904ff47bbe447f585686907ece6..0000000000000000000000000000000000000000
|
| --- a/third_party/WebKit/LayoutTests/webaudio/audiobuffersource-playbackrate-modulated-impulse.html
|
| +++ /dev/null
|
| @@ -1,113 +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>
|
| - <script>
|
| - description('AudioBufferSourceNode: DC-driven playbackRate modulation.');
|
| - window.jsTestIsAsync = true;
|
| -
|
| - var sampleRate = 44100;
|
| -
|
| - // To get an observable change on playbackRate modulation, the minimum
|
| - // rendering length should greater than the rendering quantum.
|
| - var renderLength = 256;
|
| - var half = renderLength / 2;
|
| -
|
| - // With the playbackRate of 1, the duration of impulse buffer should be 4
|
| - // samples (which means the interval between impulses is 4). Doubling
|
| - // playback speed decrease the interval to 2 samples.
|
| - var impulseLength = 4;
|
| -
|
| - var context = new OfflineAudioContext(1, renderLength, sampleRate);
|
| - var impulseBuffer, dcOffsetBuffer;
|
| -
|
| - var audit = Audit.createTaskRunner();
|
| -
|
| -
|
| - // Task: build an impulse and DC-offset buffers for testing.
|
| - audit.defineTask('build-buffers', function (done) {
|
| - // 4-sample impulse sample.
|
| - impulseBuffer = createImpulseBuffer(context, impulseLength);
|
| -
|
| - // Create a DC offset buffer with 2 values [0, 1] for modulating
|
| - // playbackRate. The first half of buffer is 0 and the rest is 1.
|
| - dcOffsetBuffer = context.createBuffer(1, renderLength, sampleRate);
|
| - var dcOffsetArray = dcOffsetBuffer.getChannelData(0);
|
| - for (i = 0; i < dcOffsetArray.length; i++) {
|
| -
|
| - // Note that these values will be added to the playbackRate AudioParam
|
| - // value. For example, 0 DC offset value will result playbackRate of 1
|
| - // because the default playbackRate value is 1.
|
| - dcOffsetArray[i] = i < half ? 0 : 1;
|
| - }
|
| -
|
| - done();
|
| - });
|
| -
|
| -
|
| - // Task: Render the actual buffer and compare with the reference.
|
| - audit.defineTask('synthesize-verify', function (done) {
|
| - var impulse = context.createBufferSource();
|
| - var dcOffset = context.createBufferSource();
|
| -
|
| - impulse.buffer = impulseBuffer;
|
| - dcOffset.buffer = dcOffsetBuffer;
|
| - impulse.loop = true;
|
| -
|
| - impulse.connect(context.destination);
|
| - dcOffset.connect(impulse.playbackRate);
|
| -
|
| - impulse.start();
|
| - dcOffset.start();
|
| -
|
| - context.startRendering().then(function (renderedBuffer) {
|
| - var data = renderedBuffer.getChannelData(0);
|
| - var passed = true, i = 0;
|
| - var nextImpulseIndex = 0;
|
| -
|
| - while (i < renderLength) {
|
| - if (i === nextImpulseIndex && data[i] === 1) {
|
| - // From 0 to 127th element, the interval between impulses is 4. On the other
|
| - // hand, the interval is 2 between 128th and 255th element.
|
| - nextImpulseIndex += (i < half) ? impulseLength : impulseLength / 2;
|
| - } else if (data[i] !== 0) {
|
| - // If a value is neither 0 or 1, break the loop and fail the test.
|
| - passed = false;
|
| - break;
|
| - }
|
| -
|
| - i++;
|
| - }
|
| -
|
| - if (passed) {
|
| - testPassed('Doubling playbackRate decreased the interval between impulses to half.');
|
| - } else {
|
| - testFailed('Doubling playbackRate produced the incorrect result' +
|
| - 'at the index ' + i + '.');
|
| - }
|
| - }).then(done);
|
| - });
|
| -
|
| - audit.defineTask('finish', function (done) {
|
| - finishJSTest();
|
| - done();
|
| - });
|
| -
|
| - audit.runTasks(
|
| - 'build-buffers',
|
| - 'synthesize-verify',
|
| - 'finish'
|
| - );
|
| -
|
| - successfullyParsed = true;
|
| - </script>
|
| -</body>
|
| -
|
| -</html>
|
|
|
Chromium Code Reviews
Issue 2581463002:
Refactor WebAudio test directory (Closed)
