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How to use osc method in wpt

Best JavaScript code snippet using wpt

Oscillator.test.ts

Source:Oscillator.test.ts

1import { expect } from "chai";2import { BasicTests } from "test/helper/Basic";3import { CompareToFile } from "test/helper/CompareToFile";4import { Offline } from "test/helper/Offline";5import { OscillatorTests } from "test/helper/OscillatorTests";6import { OutputAudio } from "test/helper/OutputAudio";7import { SourceTests } from "test/helper/SourceTests";8import { Oscillator } from "./Oscillator";9import { ToneOscillatorType } from "./OscillatorInterface";10describe("Oscillator", () => {11	// run the common tests12	BasicTests(Oscillator);13	SourceTests(Oscillator);14	OscillatorTests(Oscillator);15	it("matches a file", () => {16		return CompareToFile(() => {17			const osc = new Oscillator().toDestination();18			osc.type = "square";19			osc.start(0).stop(0.2);20		}, "oscillator.wav", 0.1);21	});22	context("Get/Set", () => {23		it("can be set with an options object", () => {24			const osc = new Oscillator();25			osc.set({26				detune: -21,27				frequency: 231,28				type: "square",29			});30			expect(osc.frequency.value).to.equal(231);31			expect(osc.detune.value).to.equal(-21);32			expect(osc.type).to.equal("square");33			osc.dispose();34		});35		it("can be get the values as an object", () => {36			const osc = new Oscillator(450, "square");37			expect(osc.get().frequency).to.equal(450);38			expect(osc.get().type).to.equal("square");39			osc.dispose();40		});41	});42	context("Phase Rotation", () => {43		it("can change the phase to 90", () => {44			return Offline(() => {45				const instance = new Oscillator({46					frequency: 1,47					phase: 90,48				});49				instance.toDestination();50				instance.start(0);51			}, 1).then((buffer) => {52				buffer.forEach((sample, time) => {53					if (time < 0.25) {54						expect(sample).to.be.within(-1, 0);55					} else if (time > 0.25 && time < 0.5) {56						expect(sample).to.be.within(0, 1);57					}58				});59			});60		});61		it("can change the phase to -90", () => {62			return Offline(() => {63				const instance = new Oscillator({64					frequency: 1,65					phase: 270,66				});67				instance.toDestination();68				instance.start(0);69			}, 1).then((buffer) => {70				buffer.forEach((sample, time) => {71					if (time < 0.25) {72						expect(sample).to.be.within(0, 1);73					} else if (time > 0.25 && time < 0.5) {74						expect(sample).to.be.within(-1, 0);75					}76				});77			});78		});79		it("can go past the cache max size of 100", () => {80			const osc = new Oscillator();81			for (let i = 0; i < 110; i++) {82				osc.phase = i;83			}84			osc.dispose();85		});86	});87	context("Type", () => {88		it("can get and set the type", () => {89			const osc = new Oscillator({90				type: "sawtooth",91			});92			expect(osc.type).to.equal("sawtooth");93			osc.dispose();94		});95		it("can set the type after starting", () => {96			const osc = new Oscillator(110, "sawtooth10").start();97			expect(osc.type).to.equal("sawtooth10");98			osc.type = "sawtooth20";99			expect(osc.type).to.equal("sawtooth20");100			osc.dispose();101		});102		it("handles 4 basic types", () => {103			const osc = new Oscillator();104			const types: ToneOscillatorType[] = ["triangle", "sawtooth", "sine", "square"];105			for (const type of types) {106				osc.type = type;107				expect(osc.type).to.equal(type);108			}109			osc.dispose();110		});111		it("throws an error if invalid type is set", () => {112			const osc = new Oscillator();113			expect(() => {114				// @ts-ignore115				osc.type = "invalid";116			}).to.throw(Error);117			osc.dispose();118		});119		it("can set extended types", () => {120			const osc = new Oscillator();121			osc.type = "sine5";122			expect(osc.type).to.equal("sine5");123			osc.type = "triangle2";124			expect(osc.type).to.equal("triangle2");125			osc.dispose();126		});127		it("can get/set the baseType", () => {128			const osc = new Oscillator();129			osc.type = "sine5";130			expect(osc.baseType).to.equal("sine");131			osc.baseType = "triangle";132			expect(osc.type).to.equal("triangle5");133			expect(osc.partialCount).to.equal(5);134			osc.partialCount = 2;135			expect(osc.type).to.equal("triangle2");136			osc.baseType = "custom";137			expect(osc.type).to.equal("custom");138			osc.partials = [1, 2, 3];139			expect(osc.baseType).to.equal("custom");140			osc.baseType = "square";141			expect(osc.type).to.equal("square");142			osc.dispose();143		});144	});145	context("Partials", () => {146		it("can pass partials in the constructor", () => {147			const osc = new Oscillator({148				partials: [1, 0.3, 0.3],149				type: "custom",150			});151			expect(osc.type).to.equal("custom");152			expect(osc.partials[1]).to.equal(0.3);153			osc.dispose();154		});155		it("can set partials", () => {156			const osc = new Oscillator();157			osc.partials = [1, 0.2, 0.2, 0.2];158			expect(osc.type).to.equal("custom");159			expect(osc.partials[1]).to.equal(0.2);160			osc.dispose();161		});162		it("makes a sound with custom partials", () => {163			return OutputAudio(() => {164				const osc = new Oscillator().toDestination().start();165				osc.partials = [1, 0.2, 0.2, 0.2];166			});167		});168		it("outputs the partials of the given waveform", () => {169			const osc = new Oscillator();170			osc.type = "sine2";171			expect(osc.type).to.equal("sine2");172			expect(osc.partials.length).to.equal(2);173			expect(osc.partials).to.deep.equal([1, 1]);174			osc.dispose();175		});176		it("partialCount is 0 when set to max", () => {177			const osc = new Oscillator();178			expect(osc.partialCount).to.equal(0);179			osc.type = "square32";180			expect(osc.partialCount).to.equal(32);181			osc.type = "square";182			expect(osc.partialCount).to.equal(0);183			osc.dispose();184		});185		it("can pass in number of partials into constructor", () => {186			const osc = new Oscillator({187				partialCount: 3,188				type: "sine",189			});190			expect(osc.type).to.equal("sine3");191			expect(osc.partialCount).to.equal(3);192			osc.partialCount = 4;193			expect(osc.partialCount).to.equal(4);194			expect(osc.type).to.equal("sine4");195			osc.dispose();196		});197	});198	context("Synchronization", () => {199		it("can sync the frequency to the Transport", () => {200			return Offline(({ transport }) => {201				transport.bpm.value = 120;202				const osc = new Oscillator(2);203				osc.frequency.toDestination();204				osc.syncFrequency();205				transport.bpm.value = 240;206			}).then((buffer) => {207				expect(buffer.value()).to.be.closeTo(4, 0.001);208			});209		});210		it("can unsync the frequency from the Transport", () => {211			return Offline(({ transport }) => {212				transport.bpm.value = 120;213				const osc = new Oscillator(2);214				osc.frequency.toDestination();215				osc.syncFrequency();216				transport.bpm.value = 240;217				osc.unsyncFrequency();218			}).then((buffer) => {219				expect(buffer.value()).to.be.closeTo(2, 0.001);220			});221		});222	});223	context("initialValue", () => {224		it("can get the initial value of a basic oscillator type", () => {225			const osc = new Oscillator(10, "sine");226			expect(osc.getInitialValue()).to.be.closeTo(0, 0.01);227			osc.dispose();228		});229		it("can get the initial value when the phase is rotated", () => {230			const osc = new Oscillator({231				phase: 90,232				type: "sine",233			});234			expect(osc.getInitialValue()).to.be.closeTo(-1, 0.01);235			osc.dispose();236		});237		it("can get the initial value of more complex types", () => {238			const osc = new Oscillator({239				partials: [0, 2, 4, 1, 3],240				phase: 145,241				type: "custom",242			});243			expect(osc.getInitialValue()).to.be.closeTo(-0.2, 0.05);244			osc.dispose();245		});246	});...

synth.js

Source:synth.js

1// web synth author: Greg M2var audio = new window.AudioContext();3var SITE_VOLUME = .5;4var TET = 12; //tone equal temperament5class OscModel {6    constructor(type, dest, frequency, attack, decay) {7        this.type = type;8        this.dest = dest;9        this.freq = frequency; //null if tied to input10        this.attack = attack;11        this.decay = decay;12        this.destprop = null; //null if tied to output13    }14}15var oscillators = []; //each osc: [model, view]16function createOscillator(model, userfreq) {17    var attack = model.attack,18        decay = model.decay,19        gain = audio.createGain(),20        osc = audio.createOscillator();21    if (model.dest == "out") {22        gain.gain.setValueAtTime(0, audio.currentTime);23        gain.gain.linearRampToValueAtTime(.15 * SITE_VOLUME, audio.currentTime + attack / 1000);24        gain.gain.linearRampToValueAtTime(0, audio.currentTime + decay / 1000);25        gain.connect(audio.destination);26        if(model.freq == null) {27            osc.frequency.value = userfreq;28        } else {29            osc.frequency.value = model.freq;30        }31    }32    33    osc.type = model.type;34    osc.connect(gain);35    osc.start(0);36    setTimeout(function() {37        osc.stop(0);38        try {39            osc.disconnect(gain);40            gain.disconnect(audio.destination);41        } catch(err) {}42    }, decay)43    return [osc, gain, model.dest, model.destprop];44}45function createOscs(oscillators, userfreq) {46    oscs = [] //list of lists [osc, gain, destination, destproperty]47    //create list of oscillators48    for (const osc of oscillators) {49        oscs.push(createOscillator(osc[0], userfreq));50    }51    //assign their gains to given output52    for (const osc of oscs) {53        if (osc[3] == "f") {54            osc[1].gain.value = 100;55            osc[0].frequency.value = 1;56            osc[1].connect(oscs[osc[2]][0].frequency);57        } else if (osc[3] == "a") {58            osc[1].gain.value = .1;59            osc[0].frequency.value = 1;60            osc[1].connect(oscs[osc[2]][1].gain);61        }62    }63}64function createOscTemplate() {65    const idx = oscillators.length;66    //create osc model67    var model = new OscModel("sine", "out", null, "0.001", "999");68    //create menu69    var oscDiv = document.getElementById('oscs');70    var view = oscDiv.appendChild(document.createElement('div'));71    view.id = "osc"+idx;72    //write html73    s = `<h2>Oscillator ${idx+1}</h2><br>`;74    s +=75    `<p>Oscillator Type:</p>76    <input type="radio" id="square${idx}" name="osc${idx}" value="square">77    <label for="square">Square</label><br>78    <input type="radio" id="sine${idx}" name="osc${idx}" value="sine" checked>79    <label for="sine">Sine</label><br>80    <input type="radio" id="triangle${idx}" name="osc${idx}" value="triangle">81    <label for="triangle">Triangle</label><br>82    <input type="radio" id="sawtooth${idx}" name="osc${idx}" value="sawtooth">83    <label for="sawtooth">Sawtooth</label><br><br>`;84    s += 85    `<div class="dropdown">86    <p>Oscillator Output:</p>87    <button class="dropbtn" id="dropbtn${idx}">Output</button>88    <div id="dc${idx}" class="dropdown-content">89    <button class="dropdown-button" id=${idx}outputout>Output</button>`90    for (i=0;i<oscillators.length+1;i++) {91        if (i != idx) {92            s += `<button class="dropdown-button" id=${idx}output${i}>Osc ${i+1} Frequency</button>` 93            //name format: {this}output{type}{dest}94            s += `<button class="dropdown-button" id=${idx}outputa${i}>Osc ${i+1} Amplitude</button>`95        }96    }97    s += 98    `</div>99    </div>`100    view.innerHTML = s;101    //create button event handlers102    document.getElementById(`square${idx}`).onclick = function() {model.type = "square"};103    document.getElementById(`sine${idx}`).onclick = function() {model.type = "sine"};104    document.getElementById(`triangle${idx}`).onclick = function() {model.type = "triangle"};105    document.getElementById(`sawtooth${idx}`).onclick = function() {model.type = "sawtooth"};106    document.getElementById(`${idx}outputout`).onclick = function() {107        model.dest = "out";108        model.destprop = null;109        document.getElementById(`dropbtn${idx}`).innerHTML = "Output";110    };111    for (i=0;i<oscillators.length+1;i++) {112        if (i != idx) {113            const num = i;114            document.getElementById(idx + `output${i}`).onclick = function() {115                model.dest = num;116                model.destprop = "f"; 117                document.getElementById("dropbtn" + idx).innerHTML = `Osc ${num+1} Frequency`;118            };119            document.getElementById(idx + `outputa${i}`).onclick = function() {120                model.dest = num;121                model.destprop = "a"; 122                document.getElementById("dropbtn" + idx).innerHTML = `Osc ${num+1} Amplitude`;123            };        124        }125    }126    oscillators[idx] = [model, view]127}128document.getElementById("makeosc").onclick = function() {129    createOscTemplate();130}131function deleteOsc() {132    var div = document.getElementById("osc"+(oscillators.length-1));133    div.parentNode.removeChild(div); //remove html134    oscillators.pop(); //remove object135}136document.getElementById("remosc").onclick = function() {137    deleteOsc();138}139var keys = ["q", "2", "w", "3", "e", "r", "5", "t", "6", "y", "7", "u", "i", "9", "o", "0", "p"];140var keyValues = {};141function setKeys() {142    var i = 0;143    for(const key of keys) {144        keyValues[key] = 262.0 * Math.pow(2, (i/TET));145        i++;146    }147}148setKeys();149window.addEventListener('keydown', function(event) {150    if (event.key in keyValues) {151        createOscs(oscillators, keyValues[event.key]);152    };153});154document.getElementById("volume").oninput = function() {155  SITE_VOLUME = this.value * .01;156}157document.getElementById("tetplus").onclick = function() {158    TET++;159    document.getElementById("tet").innerHTML = "TET: " + String(TET);160    setKeys();161}162document.getElementById("tetminus").onclick = function() {163    TET--;164    document.getElementById("tet").innerHTML = "TET: " + String(TET);165    setKeys();166}167document.getElementById("tetreset").onclick = function() {168    TET = 12;169    document.getElementById("tet").innerHTML = "TET: " + String(TET);170    setKeys();...

osc.js

Source:osc.js

1import _ from 'lodash';2import OSC from "osc-js";3import React, {useEffect} from 'react';4import useOsc from './useOsc';5import PC from "./pc";6const Osc = () => {7  const [state, actions] = useOsc(8    ({beat, midi, oscHost, seq}) => ({beat, midi, oscHost, seq}), // https://github.com/andregardi/use-global-hook#avoid-unnecessary-renders9    actions => actions,10  );11  useEffect(() => {12    const oscHost = {13      host: window.location.hostname,14      port: '8080',15    };16    const osc = new OSC({17      plugin: new OSC.WebsocketClientPlugin(oscHost),18    });19    osc.open();20    // window.sendOsc = (address, ...args) => osc.send(new OSC.Message(address, ...args));21    const {22      clearSeq,23      setBeat,24      setInSeq,25      setMidiEvent,26      setOscHost,27    } = actions;28    setOscHost(oscHost);29    osc.on('/midiSeq/clear', () => clearSeq());30    osc.on('/midiSeq/beat', ({args: [beat]}) => setBeat(beat));31    osc.on('/midi/*', ({address, args: [note, vel]}) => {32      const instrument = _.last(address.split('/'));33      setMidiEvent(instrument, {[note]: vel});34    });35    osc.on('/midiSeq/note/*', ({address, args}) => {36      const beat = parseInt(_.takeRight(address.split('/'), 2)[0], 10);37      setInSeq(beat, _(args).chunk(2).map(([note, vel]) => ({note, vel})).value()); // args is array of interleaved note, vel...38    });39  }, []);40  const pcs = (state.seq[state.beat] || []).map(({note}) => note % 12);41  const [ewiNote, ewiVel] = state.midi.ewi;42  return <div>43    <h1>{state.beat}</h1>44    {/*<pre>{JSON.stringify((state.seq[state.beat] || []).map(({note}) => note), null, 2)}</pre>*/}45    {/*<pre>{JSON.stringify(state.midi.ewi, null, 2)}</pre>*/}46    <div style={{47      backgroundColor: 'deeppink',48      color: 'black',49      height: '30vh',50      position: 'relative',51      width: '30vh',52    }}>53      {(state.seq[state.beat] || []).map(({note, vel}, idx) => {54        return <PC key={idx} n={note}/>55      })}56      {(_.range(12)).map((pc, idx) => {57        const theta = (pc / 12) * Math.PI * 2;58        return (59          <PC60            key={idx}61            n={pc}62            style={{63              color: _.includes(pcs, pc) ? 'cyan' : 'black',64              background: `rgba(255, 255, 255, ${pc === ewiNote % 12 ? ewiVel / 127 : 0})`,65              borderRadius: '50%',66              // borderStyle: pc === ewiNote % 12 ? 'solid' : 'none',67              fontSize: '1.5em',68              position: 'absolute',69              left: `${(0.25 * Math.sin(theta) + 0.5) * 100}%`,70              top: `${(-0.25 * Math.cos(theta) + 0.5) * 100}%`,71            }}/>)72      })}73    </div>74  </div>;75};...

Using AI Code Generation

1var osc = require('osc-min');2var dgram = require('dgram');3var client = dgram.createSocket('udp4');4var message = {5    {6    },7    {8    }9};10var buffer = osc.toBuffer(message);11client.send(buffer, 0, buffer.length, 3333, '

Using AI Code Generation

1var osc = require('node-osc');2var oscServer, oscClient;3var wptk = require('wptoolkit');4var wp = new wptk();5var wpClient;6var wpServer;

Using AI Code Generation

1var wpt = require('webpagetest');2var options = {3};4var wpt = new WebPageTest('www.webpagetest.org', 'A.4d4e4ec4a9c9c8f8fa3f3c3d3e3f3f3e');5wpt.runTest(url, options, function(err, data) {6  if (err) return console.error(err);7  console.log('Test submitted to WebPagetest for %s', url);8  console.log('View your test at: %s', data.data.userUrl);9});

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