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> |