WIP with compressors, filters, heavy worklets

This commit is contained in:
Aria 2025-12-04 12:17:07 -06:00
parent eb18648a2a
commit 600ab0a83e
7 changed files with 166 additions and 81 deletions

View file

@ -458,6 +458,15 @@ registerProcessor('distort-processor', DistortProcessor);
class SuperSawOscillatorProcessor extends AudioWorkletProcessor {
constructor() {
super();
this.port.onmessage = (e) => {
const { type, payload } = e.data || {};
if (type === 'initialize') {
this.initialize(payload);
}
};
this.initialize();
}
initialize(_options) {
this.phase = [];
}
static get parameterDescriptors() {
@ -1135,37 +1144,27 @@ class WavetableOscillatorProcessor extends AudioWorkletProcessor {
constructor(options) {
super(options);
this.port.onmessage = (e) => {
const { type, payload } = e.data || {};
if (type === 'initialize') {
this.initialize(payload);
}
};
this.initialize();
}
initialize(options) {
this.frameLen = 0;
this.numFrames = 0;
this.phase = [];
this.port.onmessage = (e) => {
const { type, payload } = e.data || {};
if (type === 'table') {
const key = payload.key;
this.frameLen = payload.frameLen;
if (!tablesCache[key]) {
const tables = [payload.frames];
let table = tables[0];
for (let level = 1; level < 1; level++) {
const nextLen = table.length >> 1;
const nextTable = table.map((frame) => {
const avg = new Float32Array(nextLen);
for (let i = 0; i < nextLen; i++) {
avg[i] = (frame[2 * i] + frame[2 * i + 1]) / 2;
}
return avg;
});
tables.push(nextTable);
table = nextTable;
if (nextLen <= 32) break;
}
tablesCache[key] = tables;
}
this.tables = tablesCache[key];
this.numFrames = this.tables[0].length;
if (options?.frames) {
const key = options.key;
this.frameLen = options.frameLen;
if (!tablesCache[key]) {
tablesCache[key] = options.frames;
}
};
this.table = tablesCache[key];
this.numFrames = this.table.length;
}
}
_mirror(x) {
@ -1310,15 +1309,6 @@ class WavetableOscillatorProcessor extends AudioWorkletProcessor {
return a + (b - a) * frac;
}
_chooseMip(dphi) {
const approxHarm = clamp(dphi, 1e-6, 64);
let level = 0;
while (level + 1 < (this.tables?.length || 1) && approxHarm < this.tables[level][0].length / 8) {
level++;
}
return level;
}
process(_inputs, outputs, parameters) {
if (currentTime >= parameters.end[0]) {
return false;
@ -1362,14 +1352,12 @@ class WavetableOscillatorProcessor extends AudioWorkletProcessor {
}
const fVoice = applySemitoneDetuneToFrequency(f, detuner(n)); // voice detune
const dPhase = fVoice * INVSR;
const level = this._chooseMip(dPhase);
const table = this.tables[level];
// warp phase then sample
this.phase[n] = this.phase[n] ?? Math.random() * phaseRand;
const ph = this._warpPhase(this.phase[n], warpAmount, warpMode);
const s0 = this._sampleFrame(table[fIdx], ph);
const s1 = this._sampleFrame(table[Math.min(this.numFrames - 1, fIdx + 1)], ph);
const s0 = this._sampleFrame(this.table[fIdx], ph);
const s1 = this._sampleFrame(this.table[Math.min(this.numFrames - 1, fIdx + 1)], ph);
let s = lerp(s0, s1, interpT);
if (warpMode === WarpMode.FLIP && this.phase[n] < warpAmount) {
s = -s;