third_party/WebKit/LayoutTests/webaudio/audionode-channel-rules.html - Issue 2581463002: Refactor WebAudio test directory

Unified Diff: third_party/WebKit/LayoutTests/webaudio/audionode-channel-rules.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/audionode-channel-rules.html

diff --git a/third_party/WebKit/LayoutTests/webaudio/audionode-channel-rules.html b/third_party/WebKit/LayoutTests/webaudio/audionode-channel-rules.html

deleted file mode 100644

index bf61aaa33ad8349d6b1af685096aba6467225b7f..0000000000000000000000000000000000000000

--- a/third_party/WebKit/LayoutTests/webaudio/audionode-channel-rules.html

+++ /dev/null

@@ -1,205 +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>

-<script src="resources/mixing-rules.js"></script>

-</head>

-<body>

-<script>

-description("Channel mixing rules for AudioNodes.");

-var context = 0;

-var sampleRate = 44100;

-var renderNumberOfChannels = 8;

-var singleTestFrameLength = 8;

-var testBuffers;

-// A list of connections to an AudioNode input, each of which is to be used in one or more specific test cases.

-// Each element in the list is a string, with the number of connections corresponding to the length of the string,

-// and each character in the string is from '1' to '8' representing a 1 to 8 channel connection (from an AudioNode output).

-// For example, the string "128" means 3 connections, having 1, 2, and 8 channels respectively.

-var connectionsList = ["1", "2", "3", "4", "5", "6", "7", "8", "11", "12", "14", "18", "111", "122", "123", "124", "128"];

-// A list of mixing rules, each of which will be tested against all of the connections in connectionsList.

-var mixingRulesList = [

- {channelCount: 2, channelCountMode: "max", channelInterpretation: "speakers"},

- {channelCount: 4, channelCountMode: "clamped-max", channelInterpretation: "speakers"},

- // Test up-down-mix to some explicit speaker layouts.

- {channelCount: 1, channelCountMode: "explicit", channelInterpretation: "speakers"},

- {channelCount: 2, channelCountMode: "explicit", channelInterpretation: "speakers"},

- {channelCount: 4, channelCountMode: "explicit", channelInterpretation: "speakers"},

- {channelCount: 6, channelCountMode: "explicit", channelInterpretation: "speakers"},

- {channelCount: 2, channelCountMode: "max", channelInterpretation: "discrete"},

- {channelCount: 4, channelCountMode: "clamped-max", channelInterpretation: "discrete"},

- {channelCount: 4, channelCountMode: "explicit", channelInterpretation: "discrete"},

- {channelCount: 8, channelCountMode: "explicit", channelInterpretation: "discrete"},

-];

-var numberOfTests = mixingRulesList.length * connectionsList.length;

-// Print out the information for an individual test case.

-function printTestInformation(testNumber, actualBuffer, expectedBuffer, frameLength, frameOffset) {

- var actual = stringifyBuffer(actualBuffer, frameLength);

- var expected = stringifyBuffer(expectedBuffer, frameLength, frameOffset);

- debug('TEST CASE #' + testNumber + '\n');

- debug('actual channels:\n' + actual);

- debug('expected channels:\n' + expected);

-function scheduleTest(testNumber, connections, channelCount, channelCountMode, channelInterpretation) {

- var mixNode = context.createGain();

- mixNode.channelCount = channelCount;

- mixNode.channelCountMode = channelCountMode;

- mixNode.channelInterpretation = channelInterpretation;

- mixNode.connect(context.destination);

- for (var i = 0; i < connections.length; ++i) {

- var connectionNumberOfChannels = connections.charCodeAt(i) - "0".charCodeAt(0);

- var source = context.createBufferSource();

- // Get a buffer with the right number of channels, converting from 1-based to 0-based index.

- var buffer = testBuffers[connectionNumberOfChannels - 1];

- source.buffer = buffer;

- source.connect(mixNode);

- // Start at the right offset.

- var sampleFrameOffset = testNumber * singleTestFrameLength;

- var time = sampleFrameOffset / sampleRate;

- source.start(time);

- }

-function checkTestResult(renderedBuffer, testNumber, connections, channelCount, channelCountMode, channelInterpretation) {

- var s = "connections: " + connections + ", " + channelCountMode;

- // channelCount is ignored in "max" mode.

- if (channelCountMode == "clamped-max" || channelCountMode == "explicit") {

- s += "(" + channelCount + ")";

- }

- s += ", " + channelInterpretation;

- var computedNumberOfChannels = computeNumberOfChannels(connections, channelCount, channelCountMode);

- // Create a zero-initialized silent AudioBuffer with computedNumberOfChannels.

- var destBuffer = context.createBuffer(computedNumberOfChannels, singleTestFrameLength, context.sampleRate);

- // Mix all of the connections into the destination buffer.

- for (var i = 0; i < connections.length; ++i) {

- var connectionNumberOfChannels = connections.charCodeAt(i) - "0".charCodeAt(0);

- var sourceBuffer = testBuffers[connectionNumberOfChannels - 1]; // convert from 1-based to 0-based index

- if (channelInterpretation == "speakers") {

- speakersSum(sourceBuffer, destBuffer);

- } else if (channelInterpretation == "discrete") {

- discreteSum(sourceBuffer, destBuffer);

- } else {

- alert("Invalid channel interpretation!");

- }

- // Use this when debugging mixing rules.

- // printTestInformation(testNumber, renderedBuffer, destBuffer, singleTestFrameLength, sampleFrameOffset);

- // Validate that destBuffer matches the rendered output.

- // We need to check the rendered output at a specific sample-frame-offset corresponding

- // to the specific test case we're checking for based on testNumber.

- var sampleFrameOffset = testNumber * singleTestFrameLength;

- for (var c = 0; c < renderNumberOfChannels; ++c) {

- var renderedData = renderedBuffer.getChannelData(c);

- for (var frame = 0; frame < singleTestFrameLength; ++frame) {

- var renderedValue = renderedData[frame + sampleFrameOffset];

- var expectedValue = 0;

- if (c < destBuffer.numberOfChannels) {

- var expectedData = destBuffer.getChannelData(c);

- expectedValue = expectedData[frame];

- }

- // We may need to add an epsilon in the comparison if we add more test vectors.

- if (renderedValue != expectedValue) {

- var message = s + "rendered: " + renderedValue + " expected: " + expectedValue + " channel: " + c + " frame: " + frame;

- testFailed(s);

- return;

- }

- testPassed(s);

-function checkResult(event) {

- var buffer = event.renderedBuffer;

- // Sanity check result.

- if (buffer.length != numberOfTests * singleTestFrameLength || buffer.numberOfChannels != renderNumberOfChannels) {

- testFailed("OfflineAudioContext result not of expected size!");

- finishJSTest();

- return;

- }

- // Check all the tests.

- var testNumber = 0;

- for (var m = 0; m < mixingRulesList.length; ++m) {

- var mixingRules = mixingRulesList[m];

- for (var i = 0; i < connectionsList.length; ++i, ++testNumber) {

- checkTestResult(buffer, testNumber, connectionsList[i], mixingRules.channelCount, mixingRules.channelCountMode, mixingRules.channelInterpretation);

- }

- finishJSTest();

-function runTest() {

- if (window.testRunner) {

- testRunner.dumpAsText();

- testRunner.waitUntilDone();

- }

- window.jsTestIsAsync = true;

- // Create 8-channel offline audio context.

- // Each test will render 8 sample-frames starting at sample-frame position testNumber * 8.

- var totalFrameLength = numberOfTests * singleTestFrameLength;

- context = new OfflineAudioContext(renderNumberOfChannels, totalFrameLength, sampleRate);

- // Set destination to discrete mixing.

- context.destination.channelCount = renderNumberOfChannels;

- context.destination.channelCountMode = "explicit";

- context.destination.channelInterpretation = "discrete";

- // Create test buffers from 1 to 8 channels.

- testBuffers = new Array();

- for (var i = 0; i < renderNumberOfChannels; ++i) {

- testBuffers[i] = createShiftedImpulseBuffer(context, i + 1, singleTestFrameLength);

- }

- // Schedule all the tests.

- var testNumber = 0;

- for (var m = 0; m < mixingRulesList.length; ++m) {

- var mixingRules = mixingRulesList[m];

- for (var i = 0; i < connectionsList.length; ++i, ++testNumber) {

- scheduleTest(testNumber, connectionsList[i], mixingRules.channelCount, mixingRules.channelCountMode, mixingRules.channelInterpretation);

- }

- // Render then check results.

- context.oncomplete = checkResult;

- context.startRendering();

-runTest();

-</script>

-</body>

-</html>