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use sample as an impulse response for the reverb

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Vasilii Milovidov 2023-10-01 15:31:10 +04:00
parent fd18508266
commit 755e24315e
3 changed files with 1221 additions and 1205 deletions
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2386
packages/core/controls.mjs
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29
packages/superdough/reverb.mjs
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@ -7,22 +7,31 @@ if (typeof AudioContext !== 'undefined') {
return impulse; return impulse;
}; };
AudioContext.prototype.adjustLength = function (duration, buffer) {
const newLength = buffer.sampleRate * duration;
const newBuffer = this.createBuffer(buffer.numberOfChannels, buffer.length, buffer.sampleRate);
for (let channel = 0; channel < buffer.numberOfChannels; channel++) {
let oldData = buffer.getChannelData(channel);
let newData = newBuffer.getChannelData(channel);
for (let i = 0; i < newLength; i++) {
newData[i] = oldData[i] || 0;
}
}
return newBuffer;
};
AudioContext.prototype.createReverb = function (duration, buffer) { AudioContext.prototype.createReverb = function (duration, buffer) {
const convolver = this.createConvolver(); const convolver = this.createConvolver();
convolver.setDuration = (d, i) => { convolver.setDuration = (dur, imp) => {
convolver.buffer = i !== undefined ? buffer : this.impulseResponse(d); convolver.buffer = imp ? this.adjustLength(dur, imp) : this.impulseResponse(dur);
convolver.duration = d;
return convolver; return convolver;
}; };
convolver.setIR = (i) => { convolver.setIR = (dur, imp) => {
convolver.buffer = i; convolver.buffer = imp ? this.adjustLength(dur, imp) : this.impulseResponse(dur);
return convolver; return convolver;
}; };
if (buffer !== undefined) { convolver.setDuration(duration, buffer);
convolver.setIR(buffer);
} else {
convolver.setDuration(duration);
}
return convolver; return convolver;
}; };
} }

11
packages/superdough/superdough.mjs
View file

@ -122,11 +122,11 @@ function getReverb(orbit, duration = 2, ir) {
reverbs[orbit] = reverb; reverbs[orbit] = reverb;
} }
if (reverbs[orbit].duration !== duration) { if (reverbs[orbit].duration !== duration) {
reverbs[orbit] = reverbs[orbit].setDuration(duration); reverbs[orbit] = reverbs[orbit].setDuration(duration, ir);
reverbs[orbit].duration = duration; reverbs[orbit].duration = duration;
} }
if (reverbs[orbit].ir !== ir) { if (reverbs[orbit].ir !== ir) {
reverbs[orbit] = reverbs[orbit].setIR(ir); reverbs[orbit] = reverbs[orbit].setIR(duration, ir);
reverbs[orbit].ir = ir; reverbs[orbit].ir = ir;
} }
return reverbs[orbit]; return reverbs[orbit];
@ -368,9 +368,14 @@ export const superdough = async (value, deadline, hapDuration) => {
} }
// reverb // reverb
let buffer; let buffer;
let url;
if (ir !== undefined) { if (ir !== undefined) {
let sample = getSound(ir); let sample = getSound(ir);
let url = sample.data.samples[i % sample.data.samples.length]; if (Array.isArray(sample)) {
url = sample.data.samples[i % sample.data.samples.length];
} else if (typeof sample === 'object') {
url = Object.values(sample.data.samples)[i & Object.values(sample.data.samples).length];
}
buffer = await loadBuffer(url, ac, ir, 0); buffer = await loadBuffer(url, ac, ir, 0);
} }
let reverbSend; let reverbSend;