| Index: third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-summingjunction.html
|
| diff --git a/third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-summingjunction.html b/third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-summingjunction.html
|
| index bb4264540b1f6f8adc04779aef19f4a4af00d413..974dfad6fbb87ce93954c5a83bba633f5ec5b9d5 100644
|
| --- a/third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-summingjunction.html
|
| +++ b/third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-summingjunction.html
|
| @@ -1,121 +1,120 @@
|
| <!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/testharness.js"></script>
|
| -<script src="../../resources/testharnessreport.js"></script>
|
| -<script src="../resources/audit-util.js"></script>
|
| -<script src="../resources/audit.js"></script>
|
| -<script src="../resources/mix-testing.js"></script>
|
| -
|
| -</head>
|
| -<body>
|
| -
|
| -<script>
|
| -let audit = Audit.createTaskRunner();
|
| -
|
| -let sampleRate = 44100.0;
|
| -let lengthInSeconds = 1;
|
| -
|
| -let context = 0;
|
| -
|
| -// Buffers used by the two gain controlling sources.
|
| -let linearRampBuffer;
|
| -let toneBuffer;
|
| -let toneFrequency = 440;
|
| -
|
| -// Arbitrary non-zero value.
|
| -let baselineGain = 5;
|
| -
|
| -// Allow for a small round-off error.
|
| -let maxAllowedError = 1e-6;
|
| -
|
| -function checkResult(renderedBuffer, should) {
|
| - let renderedData = renderedBuffer.getChannelData(0);
|
| -
|
| - // Get buffer data from the two sources used to control gain.
|
| - let linearRampData = linearRampBuffer.getChannelData(0);
|
| - let toneData = toneBuffer.getChannelData(0);
|
| -
|
| - let n = renderedBuffer.length;
|
| -
|
| - should(n, 'Rendered signal length').beEqualTo(linearRampBuffer.length);
|
| -
|
| - // Check that the rendered result exactly matches the sum of the intrinsic
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| - // gain plus the two sources used to control gain.
|
| - // This is because we're changing the gain of a signal having constant value
|
| - // 1.
|
| - let success = true;
|
| - for (let i = 0; i < n; ++i) {
|
| - let expectedValue = baselineGain + linearRampData[i] + toneData[i];
|
| - let error = Math.abs(expectedValue - renderedData[i]);
|
| -
|
| - if (error > maxAllowedError) {
|
| - success = false;
|
| - break;
|
| - }
|
| - }
|
| -
|
| - should(
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| - success,
|
| - 'Rendered signal matches sum of two audio-rate gain changing signals plus baseline gain')
|
| - .beTrue();
|
| -}
|
| -
|
| -audit.define('test', function(task, should) {
|
| - let 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.
|
| - let constantOneBuffer = createConstantBuffer(context, sampleFrameLength, 1);
|
| - let constantSource = context.createBufferSource();
|
| - constantSource.buffer = constantOneBuffer;
|
| -
|
| - // Create 1st buffer used to control gain (a linear ramp).
|
| - linearRampBuffer = createLinearRampBuffer(context, sampleFrameLength);
|
| - let gainSource1 = context.createBufferSource();
|
| - gainSource1.buffer = linearRampBuffer;
|
| -
|
| - // Create 2st buffer used to control gain (a simple sine wave tone).
|
| - toneBuffer = createToneBuffer(context, toneFrequency, lengthInSeconds, 1);
|
| - let gainSource2 = context.createBufferSource();
|
| - gainSource2.buffer = toneBuffer;
|
| -
|
| - // Create a gain node controlling the gain of constantSource and make the
|
| - // connections.
|
| - let 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.startRendering().then(buffer => {
|
| - checkResult(buffer, should);
|
| - task.done();
|
| - });
|
| -});
|
| -
|
| -audit.run();
|
| -</script>
|
| -
|
| -</body>
|
| + <head>
|
| + <title>
|
| + audioparam-summingjunction.html
|
| + </title>
|
| + <script src="../../resources/testharness.js"></script>
|
| + <script src="../../resources/testharnessreport.js"></script>
|
| + <script src="../resources/audit-util.js"></script>
|
| + <script src="../resources/audit.js"></script>
|
| + <script src="../resources/mix-testing.js"></script>
|
| + </head>
|
| + <body>
|
| + <script id="layout-test-code">
|
| + let audit = Audit.createTaskRunner();
|
| +
|
| + let sampleRate = 44100.0;
|
| + let lengthInSeconds = 1;
|
| +
|
| + let context = 0;
|
| +
|
| + // Buffers used by the two gain controlling sources.
|
| + let linearRampBuffer;
|
| + let toneBuffer;
|
| + let toneFrequency = 440;
|
| +
|
| + // Arbitrary non-zero value.
|
| + let baselineGain = 5;
|
| +
|
| + // Allow for a small round-off error.
|
| + let maxAllowedError = 1e-6;
|
| +
|
| + function checkResult(renderedBuffer, should) {
|
| + let renderedData = renderedBuffer.getChannelData(0);
|
| +
|
| + // Get buffer data from the two sources used to control gain.
|
| + let linearRampData = linearRampBuffer.getChannelData(0);
|
| + let toneData = toneBuffer.getChannelData(0);
|
| +
|
| + let n = renderedBuffer.length;
|
| +
|
| + should(n, 'Rendered signal length').beEqualTo(linearRampBuffer.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.
|
| + let success = true;
|
| + for (let i = 0; i < n; ++i) {
|
| + let expectedValue = baselineGain + linearRampData[i] + toneData[i];
|
| + let error = Math.abs(expectedValue - renderedData[i]);
|
| +
|
| + if (error > maxAllowedError) {
|
| + success = false;
|
| + break;
|
| + }
|
| + }
|
| +
|
| + should(
|
| + success,
|
| + 'Rendered signal matches sum of two audio-rate gain changing signals plus baseline gain')
|
| + .beTrue();
|
| + }
|
| +
|
| + audit.define('test', function(task, should) {
|
| + let 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.
|
| + let constantOneBuffer =
|
| + createConstantBuffer(context, sampleFrameLength, 1);
|
| + let constantSource = context.createBufferSource();
|
| + constantSource.buffer = constantOneBuffer;
|
| +
|
| + // Create 1st buffer used to control gain (a linear ramp).
|
| + linearRampBuffer = createLinearRampBuffer(context, sampleFrameLength);
|
| + let gainSource1 = context.createBufferSource();
|
| + gainSource1.buffer = linearRampBuffer;
|
| +
|
| + // Create 2st buffer used to control gain (a simple sine wave tone).
|
| + toneBuffer =
|
| + createToneBuffer(context, toneFrequency, lengthInSeconds, 1);
|
| + let gainSource2 = context.createBufferSource();
|
| + gainSource2.buffer = toneBuffer;
|
| +
|
| + // Create a gain node controlling the gain of constantSource and make
|
| + // the connections.
|
| + let 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.startRendering().then(buffer => {
|
| + checkResult(buffer, should);
|
| + task.done();
|
| + });
|
| + });
|
| +
|
| + audit.run();
|
| + </script>
|
| + </body>
|
| </html>
|
|
|
Chromium Code Reviews
Issue 2895963003:
Apply layout-test-tidy to LayoutTests/webaudio (Closed)
