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How to use createAudioGraphAndTest method in wpt

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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