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VorbisResidue control flow fix

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Alex Iadicicco 2022-12-09 20:26:37 -08:00 committed by Alexis King
parent ffcc94db96
commit 4659116a2e
1 changed files with 28 additions and 23 deletions
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51
src/main/java/funorb/audio/VorbisResidue.java
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@ -52,7 +52,8 @@ public final class VorbisResidue {
final int[] classes = new int[partitionCount]; final int[] classes = new int[partitionCount];
for (int pass = 0; pass < 8; ++pass) { for (int pass = 0; pass < 8; ++pass) {
for (int part = 0; part < partitionCount; ++part) { int part = 0;
while (part < partitionCount) {
if (pass == 0) { if (pass == 0) {
int value = VorbisFormat.codebooks[this.classbook].decodeScalar(); int value = VorbisFormat.codebooks[this.classbook].decodeScalar();
for (int j = cbDim - 1; j >= 0; --j) { for (int j = cbDim - 1; j >= 0; --j) {
@ -66,30 +67,34 @@ public final class VorbisResidue {
for (int dim = 0; dim < cbDim; ++dim) { for (int dim = 0; dim < cbDim; ++dim) {
int cls = classes[part]; int cls = classes[part];
final int bookIndex = this.books[cls * 8 + pass]; final int bookIndex = this.books[cls * 8 + pass];
if (bookIndex < 0) {
continue; if (bookIndex >= 0) {
final int offset = this.begin + part * this.partitionSize;
final VorbisCodebook book = VorbisFormat.codebooks[bookIndex];
if (this.type == 0) {
int step = this.partitionSize / book.cbDim;
for (int i = 0; i < step; ++i) {
final float[] vector = book.decodeVector();
for (int j = 0; j < book.cbDim; ++j) {
window[offset + i + j * step] += vector[j];
}
}
} else {
int i = 0;
while (i < this.partitionSize) {
final float[] vector = book.decodeVector();
for (int j = 0; j < book.cbDim; ++j) {
window[offset + i] += vector[j];
++i;
}
}
}
} }
final int offset = this.begin + part * this.partitionSize; ++part;
final VorbisCodebook book = VorbisFormat.codebooks[bookIndex]; if (part >= partitionCount) {
break;
if (this.type == 0) {
int step = this.partitionSize / book.cbDim;
for (int i = 0; i < step; ++i) {
final float[] vector = book.decodeVector();
for (int j = 0; j < book.cbDim; ++j) {
window[offset + i + j * step] += vector[j];
}
}
} else {
int i = 0;
while (i < this.partitionSize) {
final float[] vector = book.decodeVector();
for (int j = 0; j < book.cbDim; ++j) {
window[offset + i] += vector[j];
++i;
}
}
} }
} }
} }