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Move algorithm into constructor

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This commit is contained in:
Aria 2025-09-24 17:32:03 -07:00
parent 69b034349a
commit f0669ce3ba
2 changed files with 10 additions and 6 deletions
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9
packages/superdough/helpers.mjs
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@ -403,6 +403,11 @@ export const getDistortionAlgorithm = (algo) => {
}; };
export const getDistortion = (distort, postgain, algorithm) => { export const getDistortion = (distort, postgain, algorithm) => {
const { _algorithm, index } = getDistortionAlgorithm(algorithm); const { index } = getDistortionAlgorithm(algorithm);
return getWorklet(getAudioContext(), 'distort-processor', { distort, postgain, algorithm: index }); return getWorklet(
getAudioContext(),
'distort-processor',
{ distort, postgain },
{ processorOptions: { algorithm: index } },
);
}; };

7
packages/superdough/worklets.mjs
View file

@ -348,13 +348,13 @@ class DistortProcessor extends AudioWorkletProcessor {
return [ return [
{ name: 'distort', defaultValue: 0 }, { name: 'distort', defaultValue: 0 },
{ name: 'postgain', defaultValue: 1 }, { name: 'postgain', defaultValue: 1 },
{ name: 'algorithm', defaultValue: 0, min: 0 },
]; ];
} }
constructor() { constructor({ processorOptions }) {
super(); super();
this.started = false; this.started = false;
this.algorithm = getDistortionAlgorithm(processorOptions.algorithm).algorithm;
} }
process(inputs, outputs, parameters) { process(inputs, outputs, parameters) {
@ -366,13 +366,12 @@ class DistortProcessor extends AudioWorkletProcessor {
return false; return false;
} }
this.started = hasInput; this.started = hasInput;
const { algorithm } = getDistortionAlgorithm(pv(parameters.algorithm, 0)); // do not allow audio rate algo changes
for (let n = 0; n < blockSize; n++) { for (let n = 0; n < blockSize; n++) {
const postgain = clamp(pv(parameters.postgain, n), 0.001, 1); const postgain = clamp(pv(parameters.postgain, n), 0.001, 1);
const shape = Math.expm1(pv(parameters.distort, n)); const shape = Math.expm1(pv(parameters.distort, n));
for (let ch = 0; ch < input.length; ch++) { for (let ch = 0; ch < input.length; ch++) {
const x = input[ch][n]; const x = input[ch][n];
output[ch][n] = postgain * algorithm(x, shape); output[ch][n] = postgain * this.algorithm(x, shape);
} }
} }
return true; return true;