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Unified Diff: third_party/WebKit/LayoutTests/webaudio/mixing.html

Issue 2895963003: Apply layout-test-tidy to LayoutTests/webaudio (Closed)
Patch Set: Created 3 years, 7 months ago
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Index: third_party/WebKit/LayoutTests/webaudio/mixing.html
diff --git a/third_party/WebKit/LayoutTests/webaudio/mixing.html b/third_party/WebKit/LayoutTests/webaudio/mixing.html
index 3f3f047bb67ec5084d71dc90e5a3c952114d79dd..3f0c91ebe65d08b4d11e5b0ead5d617d9b378d0a 100644
--- a/third_party/WebKit/LayoutTests/webaudio/mixing.html
+++ b/third_party/WebKit/LayoutTests/webaudio/mixing.html
@@ -1,135 +1,145 @@
<!DOCTYPE html>
-
<!--
Create two sources and play them simultaneously. This tests unity-gain summing of AudioNode inputs.
The result should be some laughing playing at the same time as the drumming.
-->
-
<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>
-</head>
-<body>
-
-<script>
-let audit = Audit.createTaskRunner();
-
-let sampleRate = 44100.0;
-let lengthInSeconds = 2;
-
-audit.define('test', (task, should) => {
- // Create offline audio context.
- let context =
- new OfflineAudioContext(2, sampleRate * lengthInSeconds, sampleRate);
-
- // Load up audio files and test
- Promise
- .all([
- // This file is stereo
- Audit.loadFileFromUrl('resources/hyper-reality/br-jam-loop.wav')
- .then(response => { return context.decodeAudioData(response); }),
- // This file is mono
- Audit.loadFileFromUrl('resources/hyper-reality/laughter.wav')
- .then(response => { return context.decodeAudioData(response); }),
- ])
- .then(audioBuffers => {
- // Thresholds are experimentally determined
- return runTest(context, audioBuffers, should, [
- {snrThreshold: Infinity, errorThreshold: 0},
- {snrThreshold: Infinity, errorThreshold: 0}
- ]);
- })
- .then(() => task.done());
-});
-
-audit.run();
-
-function runTest(context, bufferList, should, testThresholds) {
- should(bufferList.length, 'Number of decoded files').beEqualTo(2);
-
- // Create two sources and play them at the same time.
- let source1 = context.createBufferSource();
- let source2 = context.createBufferSource();
- source1.buffer = bufferList[0];
- source2.buffer = bufferList[1];
-
- source1.connect(context.destination);
- source2.connect(context.destination);
- source1.start(0);
- source2.start(0);
-
- // Verify the number of channels in each source and the expected result.
- should(bufferList[0].numberOfChannels, 'Number of channels in stereo source')
- .beEqualTo(2);
-
- should(bufferList[1].numberOfChannels, 'Number of channels in mono source')
- .beEqualTo(1);
-
- return context.startRendering().then(audioBuffer => {
- verifyResult(audioBuffer, context, bufferList, testThresholds, should);
- });
-}
-
-function verifyResult(renderedBuffer, context, bufferList, testThresholds, should) {
- // Test only works if we have a stereo result.
- should(
- renderedBuffer.numberOfChannels, 'Number of channels in rendered output')
- .beEqualTo(2);
-
- // Note: the source lengths may not match the context length. Create copies
- // of the sources truncated or zero-filled to the rendering length.
-
- let stereoSource = new AudioBuffer({
- length: renderedBuffer.length,
- numberOfChannels: 2,
- sampleRate: context.sampleRate
- });
- stereoSource.copyToChannel(bufferList[0].getChannelData(0), 0);
- stereoSource.copyToChannel(bufferList[0].getChannelData(1), 1);
-
- let monoSource = new AudioBuffer({
- length: renderedBuffer.length,
- numberOfChannels: 1,
- sampleRate: context.sampleRate
- });
- monoSource.copyToChannel(bufferList[1].getChannelData(0), 0);
-
- // Compute the expected result buffer0 is stereo and buffer1 is mono. The
- // result should be stereo, with the mono source implicitly upmixed to
- // stereo to produce the expected result.
- let expectedBuffer = new AudioBuffer({
- length: renderedBuffer.length,
- numberOfChannels: 2,
- sampleRate: context.sampleRate
- });
-
- let monoData = monoSource.getChannelData(0);
- for (let c = 0; c < expectedBuffer.numberOfChannels; ++c) {
- let expectedData = expectedBuffer.getChannelData(c);
- let stereoData = stereoSource.getChannelData(c);
- for (let k = 0; k < expectedBuffer.length; ++k) {
- expectedData[k] = stereoData[k] + monoData[k];
- }
- }
-
- // Compare the rendered data with the expected data for each channel.
- for (let k = 0; k < renderedBuffer.numberOfChannels; ++k) {
- let actualData = renderedBuffer.getChannelData(k);
- let expectedData = expectedBuffer.getChannelData(k);
- let threshold = testThresholds[k];
- let snr = 10 * Math.log10(computeSNR(actualData, expectedData));
-
- should(snr, 'SNR for channel ' + k)
- .beGreaterThanOrEqualTo(threshold.snrThreshold);
- should(actualData, 'Rendered audio').beCloseToArray(expectedData, {
- absoluteThreshold: threshold.errorThreshold
- });
- }
-}
-</script>
-
-</body>
+ <head>
+ <title>
+ mixing.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>
+ </head>
+ <body>
+ <script id="layout-test-code">
+ let audit = Audit.createTaskRunner();
+
+ let sampleRate = 44100.0;
+ let lengthInSeconds = 2;
+
+ audit.define('test', (task, should) => {
+ // Create offline audio context.
+ let context = new OfflineAudioContext(
+ 2, sampleRate * lengthInSeconds, sampleRate);
+
+ // Load up audio files and test
+ Promise
+ .all([
+ // This file is stereo
+ Audit.loadFileFromUrl('resources/hyper-reality/br-jam-loop.wav')
+ .then(response => {
+ return context.decodeAudioData(response);
+ }),
+ // This file is mono
+ Audit.loadFileFromUrl('resources/hyper-reality/laughter.wav')
+ .then(response => {
+ return context.decodeAudioData(response);
+ }),
+ ])
+ .then(audioBuffers => {
+ // Thresholds are experimentally determined
+ return runTest(context, audioBuffers, should, [
+ {snrThreshold: Infinity, errorThreshold: 0},
+ {snrThreshold: Infinity, errorThreshold: 0}
+ ]);
+ })
+ .then(() => task.done());
+ });
+
+ audit.run();
+
+ function runTest(context, bufferList, should, testThresholds) {
+ should(bufferList.length, 'Number of decoded files').beEqualTo(2);
+
+ // Create two sources and play them at the same time.
+ let source1 = context.createBufferSource();
+ let source2 = context.createBufferSource();
+ source1.buffer = bufferList[0];
+ source2.buffer = bufferList[1];
+
+ source1.connect(context.destination);
+ source2.connect(context.destination);
+ source1.start(0);
+ source2.start(0);
+
+ // Verify the number of channels in each source and the expected result.
+ should(
+ bufferList[0].numberOfChannels,
+ 'Number of channels in stereo source')
+ .beEqualTo(2);
+
+ should(
+ bufferList[1].numberOfChannels, 'Number of channels in mono source')
+ .beEqualTo(1);
+
+ return context.startRendering().then(audioBuffer => {
+ verifyResult(
+ audioBuffer, context, bufferList, testThresholds, should);
+ });
+ }
+
+ function verifyResult(
+ renderedBuffer, context, bufferList, testThresholds, should) {
+ // Test only works if we have a stereo result.
+ should(
+ renderedBuffer.numberOfChannels,
+ 'Number of channels in rendered output')
+ .beEqualTo(2);
+
+ // Note: the source lengths may not match the context length. Create
+ // copies of the sources truncated or zero-filled to the rendering
+ // length.
+
+ let stereoSource = new AudioBuffer({
+ length: renderedBuffer.length,
+ numberOfChannels: 2,
+ sampleRate: context.sampleRate
+ });
+ stereoSource.copyToChannel(bufferList[0].getChannelData(0), 0);
+ stereoSource.copyToChannel(bufferList[0].getChannelData(1), 1);
+
+ let monoSource = new AudioBuffer({
+ length: renderedBuffer.length,
+ numberOfChannels: 1,
+ sampleRate: context.sampleRate
+ });
+ monoSource.copyToChannel(bufferList[1].getChannelData(0), 0);
+
+ // Compute the expected result buffer0 is stereo and buffer1 is mono.
+ // The result should be stereo, with the mono source implicitly upmixed
+ // to stereo to produce the expected result.
+ let expectedBuffer = new AudioBuffer({
+ length: renderedBuffer.length,
+ numberOfChannels: 2,
+ sampleRate: context.sampleRate
+ });
+
+ let monoData = monoSource.getChannelData(0);
+ for (let c = 0; c < expectedBuffer.numberOfChannels; ++c) {
+ let expectedData = expectedBuffer.getChannelData(c);
+ let stereoData = stereoSource.getChannelData(c);
+ for (let k = 0; k < expectedBuffer.length; ++k) {
+ expectedData[k] = stereoData[k] + monoData[k];
+ }
+ }
+
+ // Compare the rendered data with the expected data for each channel.
+ for (let k = 0; k < renderedBuffer.numberOfChannels; ++k) {
+ let actualData = renderedBuffer.getChannelData(k);
+ let expectedData = expectedBuffer.getChannelData(k);
+ let threshold = testThresholds[k];
+ let snr = 10 * Math.log10(computeSNR(actualData, expectedData));
+
+ should(snr, 'SNR for channel ' + k)
+ .beGreaterThanOrEqualTo(threshold.snrThreshold);
+ should(actualData, 'Rendered audio').beCloseToArray(expectedData, {
+ absoluteThreshold: threshold.errorThreshold
+ });
+ }
+ }
+ </script>
+ </body>
</html>
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