mirror of
https://github.com/Tonejs/Tone.js
synced 2024-12-28 12:33:12 +00:00
607 lines
20 KiB
TypeScript
607 lines
20 KiB
TypeScript
import { Compare, Plot } from "@tonejs/plot";
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import { expect } from "chai";
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import { BasicTests, testAudioContext } from "test/helper/Basic";
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import { atTime, Offline } from "test/helper/Offline";
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import { SCHEDULE_RAMP_AFTER_SET_TARGET } from "test/helper/Supports";
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import { BPM, Decibels, Frequency, Positive, Seconds, Time, Unit, UnitName } from "Tone/core/type/Units";
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import { Signal } from "Tone/signal/Signal";
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import { getContext } from "../Global";
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import { Param } from "./Param";
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import { connect } from "./ToneAudioNode";
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const audioContext = getContext();
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describe("Param", () => {
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BasicTests(Param, {
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context: testAudioContext,
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param: testAudioContext.createOscillator().frequency,
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});
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context("constructor", () => {
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it("can be created and disposed", async () => {
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await Offline(context => {
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const param = new Param<"time">({
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context,
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param: context.createConstantSource().offset,
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units: "time",
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});
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expect(param.getValueAtTime(0)).to.equal(1);
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param.dispose();
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});
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});
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it("can pass in a value", async () => {
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await Offline(context => {
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const param = new Param({
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context,
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param: context.createConstantSource().offset,
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value: 1.1,
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});
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expect(param.getValueAtTime(0)).to.equal(1.1);
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param.dispose();
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});
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});
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it("requires a param in the constructor", () => {
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expect(() => {
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const param = new Param({
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value: 1.1,
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});
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}).throws(Error);
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});
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});
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context("Scheduling Curves", () => {
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const sampleRate = 11025;
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function matchesOutputCurve(param, outBuffer): void {
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outBuffer.toArray()[0].forEach((sample, index) => {
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try {
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expect(param.getValueAtTime(index / sampleRate)).to.be.closeTo(sample, 0.1);
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} catch (e) {
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throw e;
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}
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});
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}
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if (SCHEDULE_RAMP_AFTER_SET_TARGET) {
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it("correctly handles setTargetAtTime followed by a ramp", async () => {
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let param;
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// this fails on FF
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const testBuffer = await Offline(context => {
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const source = context.createConstantSource();
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source.connect(context.rawContext.destination);
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source.start(0);
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param = new Param({
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context,
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param: source.offset,
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});
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param.setTargetAtTime(2, 0.5, 0.1);
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expect(param.getValueAtTime(0.6)).to.be.closeTo(1.6, 0.1);
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param.linearRampToValueAtTime(0.5, 0.7);
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expect(param.getValueAtTime(0.6)).to.be.closeTo(0.75, 0.1);
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}, 1.5, 1, sampleRate);
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document.body.appendChild(await Plot.signal(testBuffer));
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matchesOutputCurve(param, testBuffer);
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});
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it("schedules a value curve", async () => {
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let param;
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const testBuffer = await Offline(context => {
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const source = context.createConstantSource();
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source.connect(context.rawContext.destination);
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source.start(0);
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param = new Param({
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context,
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param: source.offset,
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units: "number",
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value: 0,
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});
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param.setValueCurveAtTime([0, 0.5, 0, 1, 1.5], 0.1, 0.8, 0.5);
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expect(param.getValueAtTime(0.91)).to.be.closeTo(0.75, 0.01);
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}, 1, 1, sampleRate);
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document.body.appendChild(await Plot.signal(testBuffer));
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matchesOutputCurve(param, testBuffer);
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});
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it("a mixture of scheduling curves", async () => {
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let param;
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const testBuffer = await Offline(context => {
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const source = context.createConstantSource();
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source.connect(context.rawContext.destination);
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source.start(0);
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param = new Param({
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context,
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param: source.offset,
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value: 0.1,
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});
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param.setValueAtTime(0, 0);
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param.setValueAtTime(1, 0.1);
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param.linearRampToValueAtTime(3, 0.2);
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param.exponentialRampToValueAtTime(0.01, 0.3);
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param.setTargetAtTime(-1, 0.35, 0.2);
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param.cancelAndHoldAtTime(0.6);
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param.rampTo(1.1, 0.2, 0.7);
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param.exponentialRampTo(0, 0.1, 0.85);
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param.setValueAtTime(0, 1);
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param.linearRampTo(1, 0.2, 1);
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param.targetRampTo(0, 0.1, 1.1);
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param.setValueAtTime(4, 1.2);
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param.cancelScheduledValues(1.2);
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param.linearRampToValueAtTime(1, 1.3);
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}, 1.5, 1, sampleRate);
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document.body.appendChild(await Plot.signal(testBuffer));
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matchesOutputCurve(param, testBuffer);
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});
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it.skip("can cancel and hold", async () => {
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let param;
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const testBuffer = await Offline(context => {
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const source = context.createConstantSource();
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source.connect(context.rawContext.destination);
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source.start(0);
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param = new Param({
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context,
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param: source.offset,
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value: 0.1,
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});
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param.setValueAtTime(0, 0);
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param.setValueAtTime(1, 0.2);
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param.cancelAndHoldAtTime(0.1);
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param.linearRampToValueAtTime(1, 0.3);
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param.cancelAndHoldAtTime(0.2);
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expect(param.getValueAtTime(0.2)).to.be.closeTo(0.5, 0.001);
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param.exponentialRampToValueAtTime(0, 0.4);
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param.cancelAndHoldAtTime(0.25);
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expect(param.getValueAtTime(0.25)).to.be.closeTo(0.033, 0.001);
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param.setTargetAtTime(1, 0.3, 0.1);
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param.cancelAndHoldAtTime(0.4);
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expect(param.getValueAtTime(0.4)).to.be.closeTo(0.644, 0.001);
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param.setValueAtTime(0, 0.45);
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param.setValueAtTime(1, 0.48);
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param.cancelAndHoldAtTime(0.45);
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expect(param.getValueAtTime(0.45)).to.be.closeTo(0, 0.001);
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}, 0.5, 1, sampleRate);
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matchesOutputCurve(param, testBuffer);
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// document.body.appendChild(await Plot.signal(testBuffer));
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});
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// it ("matches known values", async () => {
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// await Compare.toFile(context => {
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// const source = context.createConstantSource();
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// source.connect(context.rawContext.destination);
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// source.start(0);
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// const param = new Param({
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// context,
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// param: source.offset,
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// value: 0.1,
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// });
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// param.setValueAtTime(0, 0);
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// param.setValueAtTime(1, 0.2);
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// param.cancelAndHoldAtTime(0.1);
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// param.linearRampToValueAtTime(1, 0.3);
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// param.cancelAndHoldAtTime(0.2);
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// param.exponentialRampToValueAtTime(0, 0.4);
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// param.cancelAndHoldAtTime(0.25);
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// param.setTargetAtTime(1, 0.3, 0.1);
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// param.cancelAndHoldAtTime(0.4);
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// }, "/base/test/audio/param/curve_0.wav", 0.01, 0.5, 1, 11025);
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// });
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}
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});
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context("Units", () => {
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it("throws an error with invalid values", () => {
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const osc = audioContext.createOscillator();
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const param = new Param<"frequency">({
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context: audioContext,
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param: osc.frequency,
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units: "frequency",
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});
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expect(() => {
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// @ts-ignore
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expect(param.setValueAtTime("bad", "bad"));
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}).to.throw(Error);
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expect(() => {
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// @ts-ignore
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expect(param.linearRampToValueAtTime("bad", "bad"));
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}).to.throw(Error);
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expect(() => {
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// @ts-ignore
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expect(param.exponentialRampToValueAtTime("bad", "bad"));
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}).to.throw(Error);
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expect(() => {
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// @ts-ignore
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expect(param.setTargetAtTime("bad", "bad", 0.1));
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}).to.throw(Error);
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expect(() => {
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// @ts-ignore
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expect(param.cancelScheduledValues("bad"));
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}).to.throw(Error);
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param.dispose();
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});
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it("can be created with specific units", () => {
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const gain = audioContext.createGain();
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const param = new Param<"bpm">({
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context: audioContext,
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param: gain.gain,
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units: "bpm",
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});
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expect(param.units).to.equal("bpm");
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param.dispose();
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});
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it("can evaluate the given units", () => {
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const gain = audioContext.createGain();
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const param = new Param<"decibels">({
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context: audioContext,
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param: gain.gain,
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units: "decibels",
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});
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param.value = 0.5;
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expect(param.value).to.be.closeTo(0.5, 0.001);
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param.dispose();
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});
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it("can be forced to not convert", async () => {
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const testBuffer = await Offline(context => {
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const source = context.createConstantSource();
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source.connect(context.rawContext.destination);
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source.start(0);
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const param = new Param({
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context,
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convert: false,
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param: source.offset,
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units: "decibels",
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});
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param.value = -10;
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expect(param.value).to.be.closeTo(-10, 0.01);
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}, 0.001, 1);
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expect(testBuffer.getValueAtTime(0)).to.be.closeTo(-10, 0.01);
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});
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});
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context("apply", () => {
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it("can apply a scheduled curve", () => {
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let sig;
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return Offline(context => {
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const signal = new Signal();
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sig = signal;
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signal.setValueAtTime(0, 0);
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signal.linearRampToValueAtTime(0.5, 0.1);
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signal.exponentialRampToValueAtTime(0.2, 0.5);
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signal.linearRampToValueAtTime(4, 2);
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signal.cancelScheduledValues(1);
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signal.setTargetAtTime(4, 1, 0.1);
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const source = context.createConstantSource();
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source.start(0);
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connect(source, context.destination);
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return atTime(0.4, () => {
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signal.apply(source.offset);
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});
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}, 2).then(async buffer => {
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for (let time = 0.41; time < 2; time += 0.1) {
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expect(buffer.getValueAtTime(time)).to.be.closeTo(sig.getValueAtTime(time), 0.01);
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}
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// document.body.appendChild(await Plot.signal(buffer));
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});
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});
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it("can apply a scheduled curve that starts with a setTargetAtTime", () => {
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let sig;
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return Offline(context => {
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const signal = new Signal();
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sig = signal;
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signal.setTargetAtTime(2, 0, 0.2);
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const source = context.createConstantSource();
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source.start(0);
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connect(source, context.destination);
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return atTime(0.4, () => {
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signal.apply(source.offset);
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});
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}, 2).then(async buffer => {
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for (let time = 0.41; time < 2; time += 0.1) {
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expect(buffer.getValueAtTime(time)).to.be.closeTo(sig.getValueAtTime(time), 0.05);
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}
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// document.body.appendChild(await Plot.signal(buffer));
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});
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});
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it("can apply a scheduled curve that starts with a setTargetAtTime and then schedules other things", () => {
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let sig;
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return Offline(context => {
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const signal = new Signal();
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sig = signal;
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signal.setTargetAtTime(2, 0, 0.2);
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signal.setValueAtTime(1, 0.8);
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signal.linearRampToValueAtTime(0, 2);
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const source = context.createConstantSource();
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source.start(0);
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connect(source, context.destination);
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return atTime(0.4, () => {
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signal.apply(source.offset);
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});
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}, 2).then(async buffer => {
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for (let time = 0.41; time < 2; time += 0.1) {
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expect(buffer.getValueAtTime(time)).to.be.closeTo(sig.getValueAtTime(time), 0.05);
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}
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// document.body.appendChild(await Plot.signal(buffer));
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});
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});
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it("can set the param if the Param is marked as swappable", () => {
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return Offline(context => {
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const constSource = context.createConstantSource();
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const param = new Param({
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swappable: true,
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param: constSource.offset,
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});
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param.setValueAtTime(0.1, 0.1);
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param.setValueAtTime(0.2, 0.2);
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param.setValueAtTime(0.3, 0.3);
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const constSource2 = context.createConstantSource();
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constSource2.start(0);
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param.setParam(constSource2.offset);
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connect(constSource2, context.destination);
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}, 0.5).then(buffer => {
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expect(buffer.getValueAtTime(0.1)).to.be.closeTo(0.1, 0.001);
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expect(buffer.getValueAtTime(0.2)).to.be.closeTo(0.2, 0.001);
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expect(buffer.getValueAtTime(0.3)).to.be.closeTo(0.3, 0.001);
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});
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});
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it("throws an error if the param is not set to swappable", () => {
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return Offline(context => {
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const constSource = context.createConstantSource();
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const param = new Param({
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param: constSource.offset,
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});
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const constSource2 = context.createConstantSource();
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expect(() => {
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param.setParam(constSource2.offset);
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}).to.throw(Error);
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}, 0.5);
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});
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});
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context("Unit Conversions", () => {
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function testUnitConversion(units: UnitName, inputValue: any, inputVerification: number, outputValue: number): void {
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it(`converts to ${units}`, async () => {
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const testBuffer = await Offline(context => {
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const source = context.createConstantSource();
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source.connect(context.rawContext.destination);
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source.start(0);
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const param = new Param({
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context,
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param: source.offset,
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units,
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});
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param.value = inputValue;
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expect(param.value).to.be.closeTo(inputVerification, 0.01);
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}, 0.001, 1);
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expect(testBuffer.getValueAtTime(0)).to.be.closeTo(outputValue, 0.01);
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});
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}
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testUnitConversion("number", 3, 3, 3);
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testUnitConversion("decibels", -10, -10, 0.31);
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testUnitConversion("decibels", -20, -20, 0.1);
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testUnitConversion("decibels", -100, -100, 0);
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testUnitConversion("gain", 1.2, 1.2, 1.2);
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testUnitConversion("positive", 1.5, 1.5, 1.5);
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testUnitConversion("positive", 0, 0, 0);
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testUnitConversion("time", 2, 2, 2);
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testUnitConversion("time", 0, 0, 0);
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testUnitConversion("frequency", 20, 20, 20);
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testUnitConversion("frequency", 0.1, 0.1, 0.1);
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testUnitConversion("normalRange", 0, 0, 0);
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testUnitConversion("normalRange", 0.5, 0.5, 0.5);
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testUnitConversion("normalRange", 1.5, 1, 1);
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testUnitConversion("audioRange", -1, -1, -1);
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testUnitConversion("audioRange", 0.5, 0.5, 0.5);
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testUnitConversion("audioRange", 1, 1, 1);
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});
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context("min/maxValue", () => {
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function testMinMaxValue(units: UnitName, min, max): void {
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it(`has proper min/max for ${units}`, () => {
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const source = audioContext.createConstantSource();
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source.connect(audioContext.rawContext.destination);
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const param = new Param({
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context: audioContext,
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param: source.offset,
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units,
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});
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expect(param.minValue).to.be.equal(min);
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expect(param.maxValue).to.be.equal(max);
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});
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}
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// number, decibels, normalRange, audioRange, gain
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// positive, time, frequency, transportTime, ticks, bpm, degrees, samples, hertz
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const rangeMax = 3.4028234663852886e+38;
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testMinMaxValue("number", -rangeMax, rangeMax);
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testMinMaxValue("decibels", -Infinity, rangeMax);
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testMinMaxValue("normalRange", 0, 1);
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testMinMaxValue("audioRange", -1, 1);
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testMinMaxValue("gain", -rangeMax, rangeMax);
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testMinMaxValue("positive", 0, rangeMax);
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testMinMaxValue("time", 0, rangeMax);
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testMinMaxValue("frequency", 0, rangeMax);
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testMinMaxValue("transportTime", 0, rangeMax);
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testMinMaxValue("ticks", 0, rangeMax);
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testMinMaxValue("bpm", 0, rangeMax);
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testMinMaxValue("degrees", -rangeMax, rangeMax);
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testMinMaxValue("samples", 0, rangeMax);
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testMinMaxValue("hertz", 0, rangeMax);
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it("can pass in a min and max value", () => {
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const source = audioContext.createConstantSource();
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source.connect(audioContext.rawContext.destination);
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const param = new Param({
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context: audioContext,
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param: source.offset,
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minValue: 0.3,
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maxValue: 0.5,
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});
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expect(param.minValue).to.be.equal(0.3);
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expect(param.maxValue).to.be.equal(0.5);
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});
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});
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context("defaultValue", () => {
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it("has the right default value for default units", () => {
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const source = audioContext.createConstantSource();
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source.connect(audioContext.rawContext.destination);
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const param = new Param({
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context: audioContext,
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param: source.offset,
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});
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expect(param.defaultValue).to.be.equal(1);
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});
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it("has the right default value for default decibels", () => {
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const source = audioContext.createConstantSource();
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source.connect(audioContext.rawContext.destination);
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const param = new Param({
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context: audioContext,
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param: source.offset,
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units: "decibels",
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});
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expect(param.defaultValue).to.be.equal(0);
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});
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});
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// const allSchedulingMethods = ['setValueAtTime', 'linearRampToValueAtTime', 'exponentialRampToValueAtTime']
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context("setValueAtTime", () => {
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function testSetValueAtTime(units: UnitName, value0, value1, value2): void {
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it(`can schedule value with units ${units}`, async () => {
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const testBuffer = await Offline(context => {
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const source = context.createConstantSource();
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source.connect(context.rawContext.destination);
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source.start(0);
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const param = new Param({
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context,
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param: source.offset,
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units,
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});
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param.setValueAtTime(value0, 0);
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param.setValueAtTime(value1, 0.01);
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param.setValueAtTime(value2, 0.02);
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expect(param.getValueAtTime(0)).to.be.closeTo(value0, 0.01);
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expect(param.getValueAtTime(0.01)).to.be.closeTo(value1, 0.01);
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expect(param.getValueAtTime(0.02)).to.be.closeTo(value2, 0.01);
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}, 0.022, 1);
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expect(testBuffer.getValueAtTime(0)).to.be.closeTo(0, 0.01);
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expect(testBuffer.getValueAtTime(0.011)).to.be.closeTo(1, 0.01);
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expect(testBuffer.getValueAtTime(0.021)).to.be.closeTo(0.5, 0.01);
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});
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}
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const allUnits: UnitName[] = ["number", "decibels", "normalRange", "audioRange", "gain",
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"positive", "time", "frequency", "transportTime", "ticks", "bpm", "degrees", "samples", "hertz"];
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allUnits.forEach(unit => {
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if (unit === "decibels") {
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testSetValueAtTime(unit, -100, 0, -6);
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} else {
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testSetValueAtTime(unit, 0, 1, 0.5);
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}
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});
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});
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["linearRampToValueAtTime", "exponentialRampToValueAtTime"].forEach(method => {
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context(method, () => {
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function testRampToValueAtTime(units: UnitName, value0, value1, value2): void {
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it(`can schedule value with units ${units}`, async () => {
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const testBuffer = await Offline(context => {
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const source = context.createConstantSource();
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source.connect(context.rawContext.destination);
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source.start(0);
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const param = new Param({
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context,
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param: source.offset,
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units,
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});
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param.setValueAtTime(value0, 0);
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param[method](value1, 0.01);
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param[method](value2, 0.02);
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expect(param.getValueAtTime(0)).to.be.closeTo(value0, 0.01);
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expect(param.getValueAtTime(0.01)).to.be.closeTo(value1, 0.01);
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expect(param.getValueAtTime(0.02)).to.be.closeTo(value2, 0.01);
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}, 0.022, 1);
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expect(testBuffer.getValueAtTime(0)).to.be.closeTo(1, 0.01);
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expect(testBuffer.getValueAtTime(0.01)).to.be.closeTo(0.7, 0.01);
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expect(testBuffer.getValueAtTime(0.02)).to.be.closeTo(0, 0.01);
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});
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}
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const allUnits: UnitName[] = ["number", "decibels", "normalRange", "audioRange", "gain",
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"positive", "time", "frequency", "transportTime", "ticks", "bpm", "degrees", "samples", "hertz"];
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allUnits.forEach(unit => {
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if (unit === "decibels") {
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testRampToValueAtTime(unit, 0, -3, -100);
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} else {
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testRampToValueAtTime(unit, 1, 0.7, 0);
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}
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});
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});
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});
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["linearRampTo", "exponentialRampTo", "rampTo", "targetRampTo"].forEach(method => {
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context(method, () => {
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function testRampToValueAtTime(units: UnitName, value0, value1, value2): void {
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it(`can schedule value with units ${units}`, async () => {
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const testBuffer = await Offline(context => {
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const source = context.createConstantSource();
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source.connect(context.rawContext.destination);
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source.start(0);
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const param = new Param({
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context,
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param: source.offset,
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units,
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value: value0,
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});
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param[method](value1, 0.009, 0);
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param[method](value2, 0.01, 0.01);
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expect(param.getValueAtTime(0)).to.be.closeTo(value0, 0.02);
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expect(param.getValueAtTime(0.01)).to.be.closeTo(value1, 0.02);
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if (units !== "decibels") {
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expect(param.getValueAtTime(0.025)).to.be.closeTo(value2, 0.01);
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}
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}, 0.021, 1);
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// document.body.appendChild(await Plot.signal(testBuffer));
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expect(testBuffer.getValueAtTime(0)).to.be.closeTo(1, 0.01);
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expect(testBuffer.getValueAtTime(0.01)).to.be.closeTo(0.7, 0.01);
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expect(testBuffer.getValueAtTime(0.02)).to.be.closeTo(0, 0.01);
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});
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}
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const allUnits: UnitName[] = ["number", "decibels", "normalRange", "audioRange", "gain",
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"positive", "time", "frequency", "transportTime", "ticks", "bpm", "degrees", "samples", "hertz"];
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allUnits.forEach(unit => {
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if (unit === "decibels") {
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testRampToValueAtTime(unit, 0, -3, -100);
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} else {
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testRampToValueAtTime(unit, 1, 0.7, 0);
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}
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});
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});
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});
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});
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