Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(862)

Unified Diff: third_party/WebKit/LayoutTests/webaudio/panner-automation-position.html

Issue 2581463002: Refactor WebAudio test directory (Closed)
Patch Set: Use correct path for wav result files Created 4 years ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
Index: third_party/WebKit/LayoutTests/webaudio/panner-automation-position.html
diff --git a/third_party/WebKit/LayoutTests/webaudio/panner-automation-position.html b/third_party/WebKit/LayoutTests/webaudio/panner-automation-position.html
deleted file mode 100644
index 7c62137f53457b0f27983ae1442c077888c95614..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/webaudio/panner-automation-position.html
+++ /dev/null
@@ -1,267 +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/panner-formulas.js"></script>
- <title>Test Automation of PannerNode Positions</title>
- </head>
-
- <body>
- <script>
- description("Test Automation of PannerNode Positions.");
- window.jsTestIsAsync = true;
-
- var sampleRate = 48000;
- // These tests are quite slow, so don't run for many frames. 256 frames should be enough to
- // demonstrate that automations are working.
- var renderFrames = 256;
- var renderDuration = renderFrames / sampleRate;
-
- var context;
- var panner;
-
- var audit = Audit.createTaskRunner();
-
- // Set of tests for the panner node with automations applied to the position of the source.
- var testConfigs = [{
- // Distance model parameters for the panner
- distanceModel: {
- model: "inverse",
- rolloff: 1
- },
- // Initial location of the source
- startPosition: [0, 0, 1],
- // Final position of the source. For this test, we only want to move on the z axis which
- // doesn't change the azimuth angle.
- endPosition: [0, 0, 10000],
- }, {
- distanceModel: {
- model: "inverse",
- rolloff: 1
- },
- startPosition: [0, 0, 1],
- // An essentially random end position, but it should be such that azimuth angle changes as
- // we move from the start to the end.
- endPosition: [20000, 30000, 10000],
- errorThreshold: [{
- // Error threshold for 1-channel case
- relativeThreshold: 4.8124e-7
- }, {
- // Error threshold for 2-channel case
- relativeThreshold: 4.3267e-7
- }],
- }, {
- distanceModel: {
- model: "exponential",
- rolloff: 1.5
- },
- startPosition: [0, 0, 1],
- endPosition: [20000, 30000, 10000],
- errorThreshold: [{
- relativeThreshold: 5.0783e-7
- }, {
- relativeThreshold: 5.2180e-7
- }]
- }, {
- distanceModel: {
- model: "linear",
- rolloff: 1
- },
- startPosition: [0, 0, 1],
- endPosition: [20000, 30000, 10000],
- errorThreshold: [{
- relativeThreshold: 6.5324e-6
- }, {
- relativeThreshold: 6.5756e-6
- }]
- }];
-
- for (var k = 0; k < testConfigs.length; ++k) {
- var config = testConfigs[k];
- var tester = function (c, channelCount) {
- return function (done) {
- runTest(c, channelCount).then(done);
- }
- };
-
- var baseTestName = config.distanceModel.model + " rolloff: " + config.distanceModel.rolloff;
-
- // Define tasks for both 1-channel and 2-channel
- audit.defineTask(k + ": 1-channel " + baseTestName, tester(config, 1));
- audit.defineTask(k + ": 2-channel " + baseTestName, tester(config, 2));
- }
-
- audit.defineTask("finish", function (done) {
- finishJSTest();
- done();
- });
-
- audit.runTasks();
-
- function runTest(options, channelCount) {
- // Output has 5 channels: channels 0 and 1 are for the stereo output of the panner node.
- // Channels 2-5 are the for automation of the x,y,z coordinate so that we have actual
- // coordinates used for the panner automation.
- context = new OfflineAudioContext(5, renderFrames, sampleRate);
-
- // Stereo source for the panner.
- var source = context.createBufferSource();
- source.buffer = createConstantBuffer(context, renderFrames, channelCount == 1 ? 1 : [1, 2]);
-
- panner = context.createPanner();
- panner.distanceModel = options.distanceModel.model;
- panner.rolloffFactor = options.distanceModel.rolloff;
- panner.panningModel = "equalpower";
-
- // Source and gain node for the z-coordinate calculation.
- var dist = context.createBufferSource();
- dist.buffer = createConstantBuffer(context, 1, 1);
- dist.loop = true;
- var gainX = context.createGain();
- var gainY = context.createGain();
- var gainZ = context.createGain();
- dist.connect(gainX);
- dist.connect(gainY);
- dist.connect(gainZ);
-
- // Set the gain automation to match the z-coordinate automation of the panner.
-
- // End the automation some time before the end of the rendering so we can verify that
- // automation has the correct end time and value.
- var endAutomationTime = 0.75 * renderDuration;
-
- gainX.gain.setValueAtTime(options.startPosition[0], 0);
- gainX.gain.linearRampToValueAtTime(options.endPosition[0], endAutomationTime);
- gainY.gain.setValueAtTime(options.startPosition[1], 0);
- gainY.gain.linearRampToValueAtTime(options.endPosition[1], endAutomationTime);
- gainZ.gain.setValueAtTime(options.startPosition[2], 0);
- gainZ.gain.linearRampToValueAtTime(options.endPosition[2], endAutomationTime);
-
- dist.start();
-
- // Splitter and merger to map the panner output and the z-coordinate automation to the
- // correct channels in the destination.
- var splitter = context.createChannelSplitter(2);
- var merger = context.createChannelMerger(5);
-
- source.connect(panner);
- // Split the output of the panner to separate channels
- panner.connect(splitter);
-
- // Merge the panner outputs and the z-coordinate output to the correct destination channels.
- splitter.connect(merger, 0, 0);
- splitter.connect(merger, 1, 1);
- gainX.connect(merger, 0, 2);
- gainY.connect(merger, 0, 3);
- gainZ.connect(merger, 0, 4);
-
- merger.connect(context.destination);
-
- // Initialize starting point of the panner.
- panner.positionX.setValueAtTime(options.startPosition[0], 0);
- panner.positionY.setValueAtTime(options.startPosition[1], 0);
- panner.positionZ.setValueAtTime(options.startPosition[2], 0);
-
- // Automate z coordinate to move away from the listener
- panner.positionX.linearRampToValueAtTime(options.endPosition[0], 0.75 * renderDuration);
- panner.positionY.linearRampToValueAtTime(options.endPosition[1], 0.75 * renderDuration);
- panner.positionZ.linearRampToValueAtTime(options.endPosition[2], 0.75 * renderDuration);
-
- source.start();
-
- // Go!
- return context.startRendering()
- .then(function (renderedBuffer) {
- // Get the panner outputs
- var data0 = renderedBuffer.getChannelData(0);
- var data1 = renderedBuffer.getChannelData(1);
- var xcoord = renderedBuffer.getChannelData(2);
- var ycoord = renderedBuffer.getChannelData(3);
- var zcoord = renderedBuffer.getChannelData(4);
-
- // We're doing a linear ramp on the Z axis with the equalpower panner, so the equalpower
- // panning gain remains constant. We only need to model the distance effect.
-
- // Compute the distance gain
- var distanceGain = new Float32Array(xcoord.length);;
-
- if (panner.distanceModel === "inverse") {
- for (var k = 0; k < distanceGain.length; ++k) {
- distanceGain[k] = inverseDistance(panner, xcoord[k], ycoord[k], zcoord[k])
- }
- } else if (panner.distanceModel === "linear") {
- for (var k = 0; k < distanceGain.length; ++k) {
- distanceGain[k] = linearDistance(panner, xcoord[k], ycoord[k], zcoord[k])
- }
- } else if (panner.distanceModel === "exponential") {
- for (var k = 0; k < distanceGain.length; ++k) {
- distanceGain[k] = exponentialDistance(panner, xcoord[k], ycoord[k], zcoord[k])
- }
- }
-
- // Compute the expected result. Since we're on the z-axis, the left and right channels
- // pass through the equalpower panner unchanged. Only need to apply the distance gain.
- var buffer0 = source.buffer.getChannelData(0);
- var buffer1 = channelCount == 2 ? source.buffer.getChannelData(1) : buffer0;
-
- var azimuth = new Float32Array(buffer0.length);
-
- for (var k = 0; k < data0.length; ++k) {
- azimuth[k] = calculateAzimuth([
- xcoord[k],
- ycoord[k],
- zcoord[k]
- ], [
- context.listener.positionX.value,
- context.listener.positionY.value,
- context.listener.positionZ.value
- ], [
- context.listener.forwardX.value,
- context.listener.forwardY.value,
- context.listener.forwardZ.value
- ], [
- context.listener.upX.value,
- context.listener.upY.value,
- context.listener.upZ.value
- ]);
- }
-
- var expected = applyPanner(azimuth, buffer0, buffer1, channelCount);
- var expected0 = expected.left;
- var expected1 = expected.right;
-
- for (var k = 0; k < expected0.length; ++k) {
- expected0[k] *= distanceGain[k];
- expected1[k] *= distanceGain[k];
- }
-
- var info = options.distanceModel.model + ", rolloff: " + options.distanceModel.rolloff;
- var prefix = channelCount + "-channel "
- + "[" + options.startPosition[0] + ", "
- + options.startPosition[1] + ", "
- + options.startPosition[2] + "] -> ["
- + options.endPosition[0] + ", "
- + options.endPosition[1] + ", "
- + options.endPosition[2] + "]: ";
-
- var errorThreshold = 0;
-
- if (options.errorThreshold)
- errorThreshold = options.errorThreshold[channelCount - 1]
-
- Should(prefix + "distanceModel: " + info + ", left channel", data0, {
- precision: 5
- })
- .beCloseToArray(expected0, errorThreshold);
- Should(prefix + "distanceModel: " + info + ", right channel", data1, {
- precision: 5
- })
- .beCloseToArray(expected1, errorThreshold);
- });
- }
- </script>
- </body>
-</html>

Powered by Google App Engine
This is Rietveld 408576698