Best JavaScript code snippet using wpt
audioparam-testing.js
Source:audioparam-testing.js
...407 // jumpThreshold - optional parameter that specifies the threshold to use for408 // detecting discontinuities. If not specified, defaults to409 // discontinuityThreshold.410 //411 function createAudioGraphAndTest(412 task, should, numberOfTests, initialValue, setValueFunction,413 automationFunction, testName, maxError, referenceFunction, jumpThreshold,414 errorMetric) {415 // Create offline audio context.416 context =417 new OfflineAudioContext(2, renderLength(numberOfTests), sampleRate);418 let constantBuffer =419 createConstantBuffer(context, renderLength(numberOfTests), 1);420 // We use an AudioGainNode here simply as a convenient way to test the421 // AudioParam automation, since it's easy to pass a constant value through422 // the node, automate the .gain attribute and observe the resulting values.423 gainNode = context.createGain();424 let bufferSource = context.createBufferSource();425 bufferSource.buffer = constantBuffer;...
Using AI Code Generation
1var audioContext = new AudioContext();2var audioBuffer = audioContext.createBuffer(1, 1, 44100);3var audioBufferSourceNode = audioContext.createBufferSource();4audioBufferSourceNode.buffer = audioBuffer;5var gainNode = audioContext.createGain();6audioBufferSourceNode.connect(gainNode);7gainNode.connect(audioContext.destination);8audioBufferSourceNode.start();9var promise = createAudioGraphAndTest(audioContext, [audioBufferSourceNode, gainNode]);10promise.then(function(result) {11});12var context = new AudioContext();13var workletNode = new AudioWorkletNode(context, 'test-processor');14var promise = createAudioGraphAndTest(context, [workletNode]);15promise.then(function(result) {16});17var context = new AudioContext();18var workletNode = new AudioWorkletNode(context, 'test-processor');19var promise = createAudioGraphAndTest(context, [workletNode]);20promise.then(function(result) {21});22var context = new AudioContext();23var workletNode = new AudioWorkletNode(context, 'test-processor');24var promise = createAudioGraphAndTest(context, [workletNode]);25promise.then(function(result) {26});27var context = new AudioContext();28var workletNode = new AudioWorkletNode(context, 'test-processor');29var promise = createAudioGraphAndTest(context, [workletNode]);30promise.then(function(result) {
Using AI Code Generation
1createAudioGraphAndTest(function (context) {2 var oscillator = new OscillatorNode(context);3 var analyser = new AnalyserNode(context);4 var merger = new ChannelMergerNode(context, { numberOfInputs: 2 });5 var splitter = new ChannelSplitterNode(context, { numberOfOutputs: 2 });6 oscillator.connect(analyser);7 analyser.connect(merger, 0, 1);8 merger.connect(splitter);9 splitter.connect(context.destination, 0);10 splitter.connect(context.destination, 1);11 return [oscillator, analyser, merger, splitter];12});13createAudioGraphAndTest(function (context) {14 var oscillator = new OscillatorNode(context);15 var analyser = new AnalyserNode(context);16 var merger = new ChannelMergerNode(context, { numberOfInputs: 2 });17 var splitter = new ChannelSplitterNode(context, { numberOfOutputs: 2 });18 oscillator.connect(analyser);19 analyser.connect(merger, 0, 1);20 merger.connect(splitter);21 splitter.connect(context.destination, 0);22 splitter.connect(context.destination, 1);23 return [oscillator, analyser, merger, splitter];24});25createAudioGraphAndTest(function (context) {26 var oscillator = new OscillatorNode(context);27 var analyser = new AnalyserNode(context);28 var merger = new ChannelMergerNode(context, { numberOfInputs: 2 });29 var splitter = new ChannelSplitterNode(context, { numberOfOutputs: 2 });30 oscillator.connect(analyser);31 analyser.connect(merger, 0, 1);32 merger.connect(splitter);33 splitter.connect(context.destination, 0);34 splitter.connect(context.destination, 1);35 return [oscillator, analyser, merger, splitter];36});37createAudioGraphAndTest(function (context) {38 var oscillator = new OscillatorNode(context);39 var analyser = new AnalyserNode(context);40 var merger = new ChannelMergerNode(context, { numberOfInputs: 2 });
Using AI Code Generation
1createAudioGraphAndTest(context, [2 {3 {4 }5 {6 {7 },8 {9 },10 {11 }12 {13 }14 }15 }16]);17function createAudioGraphAndTest(context, nodes) {18}19function testAudioGraph(context, nodes) {
Using AI Code Generation
1let graph = createAudioGraphAndTest(audioContext, [2 {3 options: {4 }5 },6 {7 options: {8 }9 },10 {11 options: {12 }13 }14]);15graph.connect('oscillator', 'gain');16graph.connect('gain', 'destination');17graph.start();18graph.stop();19graph.verify();20let graph = createAudioGraphAndTest(audioContext, [21 {22 options: {23 }24 },25 {26 options: {27 }28 },29 {30 options: {31 }32 }33]);34graph.connect('oscillator', 'gain');35graph.connect('gain', 'destination');36graph.start();37graph.stop();38graph.verify();39let graph = createAudioGraphAndTest(audioContext,
Using AI Code Generation
1createAudioGraphAndTest (function (context, test) {2 var analyser = context.createAnalyser();3 analyser.fftSize = 1024;4 analyser.smoothingTimeConstant = 0.9;5 var buffer = context.createBuffer(1, 1024, 44100);6 var source = context.createBufferSource();7 source.buffer = buffer;8 source.connect(analyser);9 analyser.connect(context.destination);10 source.start(0);11 var frequencyData = new Uint8Array(analyser.frequencyBinCount);12 analyser.getByteFrequencyData(frequencyData);13 for (var i = 0; i < frequencyData.length; i++) {14 assert_greater_than(frequencyData[i], 0);15 }16 test.done();17}, 'Test that analyser.getByteFrequencyData() returns non-zero values');
Using AI Code Generation
1var context = new AudioContext();2var osc = context.createOscillator();3var gain = context.createGain();4var analyser = context.createAnalyser();5var destination = context.destination;6osc.connect(gain);7gain.connect(analyser);8analyser.connect(destination);9osc.start(0);10createAudioGraphAndTest(context, analyser);11function createAudioGraphAndTest(context, analyser) {12 var sampleRate = context.sampleRate;13 var bufferLength = analyser.frequencyBinCount;14 var dataArray = new Uint8Array(bufferLength);15 var startTime = context.currentTime;16 var endTime = startTime + 1;17 var buffer = context.createBuffer(1, sampleRate, sampleRate);18 var source = context.createBufferSource();19 var script = context.createScriptProcessor(bufferLength, 1, 1);20 var scriptBuffer = new Float32Array(bufferLength);21 var scriptBufferLength = 0;22 source.buffer = buffer;23 script.onaudioprocess = function (e) {24 var inputBuffer = e.inputBuffer;25 var input = inputBuffer.getChannelData(0);26 for (var i = 0; i < inputBuffer.length; i++) {27 scriptBuffer[scriptBufferLength] = input[i];28 scriptBufferLength++;29 }30 }31 source.connect(script);32 script.connect(context.destination);33 source.start(0);34 function testAudioGraph() {35 var currentTime = context.currentTime;36 if (currentTime < endTime) {37 requestAnimationFrame(testAudioGraph);38 analyser.getByteTimeDomainData(dataArray);39 for (var i = 0; i < bufferLength; i++) {40 if (dataArray[i] !== 0) {41 test(function () {42 assert_true(true);43 }, "Audio graph is not silent");44 return;45 }46 }47 } else {48 test(function () {49 assert_array_equals(dataArray, new Uint8Array(bufferLength));50 }, "Audio graph is silent");51 test(function () {52 assert_array_equals(scriptBuffer, new Float32Array(scriptBufferLength));53 }, "ScriptProcessorNode does not receive any input");54 }55 }56 requestAnimationFrame(testAudioGraph);57}
Using AI Code Generation
1importScripts('/resources/testharness.js');2importScripts('/resources/testharnessreport.js');3importScripts('/common/media.js');4importScripts('/common/media/getusermedia-helpers.js');5promise_test(async t => {6 const audioContext = new AudioContext();7 const stream = await getUserMediaWithConstraints({audio: true});8 const mediaStreamSource = audioContext.createMediaStreamSource(stream);9 const gainNode = audioContext.createGain();10 mediaStreamSource.connect(gainNode);11 const analyserNode = audioContext.createAnalyser();12 gainNode.connect(analyserNode);13 const scriptProcessorNode = audioContext.createScriptProcessor(2048, 1, 1);14 analyserNode.connect(scriptProcessorNode);15 scriptProcessorNode.connect(audioContext.destination);16 const buffer = audioContext.createBuffer(1, 2048, 44100);17 const bufferSourceNode = audioContext.createBufferSource();18 bufferSourceNode.buffer = buffer;19 bufferSourceNode.connect(audioContext.destination);20 bufferSourceNode.start();21 await audioContext.startRendering();22}, 'test to verify that startRendering() does not block the main thread');
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