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fix: multichannel worklets

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This commit is contained in:
Felix Roos 2022-10-31 20:33:42 +01:00
parent 882f450ee8
commit 335d54b5f4
1 changed files with 17 additions and 5 deletions
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22
packages/webaudio/worklets.mjs
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@ -22,8 +22,9 @@ class CoarseProcessor extends AudioWorkletProcessor {
this.notStarted = false; this.notStarted = false;
output[0][0] = input[0][0]; output[0][0] = input[0][0];
for (let n = 1; n < blockSize; n++) { for (let n = 1; n < blockSize; n++) {
if (n % coarse == 0) output[0][n] = input[0][n]; for (let o = 0; o < output.length; o++) {
else output[0][n] = output[0][n - 1]; output[o][n] = n % coarse == 0 ? input[0][n] : output[o][n - 1];
}
} }
} }
return this.notStarted || hasInput; return this.notStarted || hasInput;
@ -52,11 +53,19 @@ class CrushProcessor extends AudioWorkletProcessor {
this.notStarted = false; this.notStarted = false;
if (crush.length === 1) { if (crush.length === 1) {
const x = Math.pow(2, crush[0] - 1); const x = Math.pow(2, crush[0] - 1);
for (let n = 0; n < blockSize; n++) output[0][n] = Math.round(input[0][n] * x) / x; for (let n = 0; n < blockSize; n++) {
const value = Math.round(input[0][n] * x) / x;
for (let o = 0; o < output.length; o++) {
output[o][n] = value;
}
}
} else { } else {
for (let n = 0; n < blockSize; n++) { for (let n = 0; n < blockSize; n++) {
let x = Math.pow(2, crush[n] - 1); let x = Math.pow(2, crush[n] - 1);
output[0][n] = Math.round(input[0][n] * x) / x; const value = Math.round(input[0][n] * x) / x;
for (let o = 0; o < output.length; o++) {
output[o][n] = value;
}
} }
} }
} }
@ -86,7 +95,10 @@ class ShapeProcessor extends AudioWorkletProcessor {
if (hasInput) { if (hasInput) {
this.notStarted = false; this.notStarted = false;
for (let n = 0; n < blockSize; n++) { for (let n = 0; n < blockSize; n++) {
output[0][n] = ((1 + shape) * input[0][n]) / (1 + shape * Math.abs(input[0][n])); const value = ((1 + shape) * input[0][n]) / (1 + shape * Math.abs(input[0][n]));
for (let o = 0; o < output.length; o++) {
output[o][n] = value;
}
} }
} }
return this.notStarted || hasInput; return this.notStarted || hasInput;