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dsffile: fix negative interleave

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This commit is contained in:
Wim Taymans 2022-03-03 14:01:32 +01:00
parent d25bb89cc0
commit ce2f1b3737
2 changed files with 7 additions and 8 deletions
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13
src/tools/dsffile.c
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@ -215,25 +215,24 @@ dsf_file_read(struct dsf_file *f, void *data, size_t samples, const struct dsf_l
{
uint8_t *d = data;
const uint8_t *s;
uint32_t i, j, k, total, stride, bytes;
int32_t interleave = layout->interleave;
uint32_t i, j, k, total, stride, bytes, step = SPA_ABS(layout->interleave);
bool rev = layout->lsb != f->info.lsb;
stride = layout->channels * layout->interleave;
stride = layout->channels * step;
bytes = samples * stride;
bytes -= bytes % f->info.blocksize;
for (total = 0; total < bytes; total += layout->channels * f->info.blocksize) {
s = f->p + f->offset;
for (i = 0; i < f->info.blocksize; i += interleave) {
for (i = 0; i < f->info.blocksize; i += step) {
for (j = 0; j < layout->channels; j++) {
const uint8_t *c = &s[f->info.blocksize * j + i];
if (interleave > 0) {
for (k = 0; k < (uint32_t)interleave; k++)
if (layout->interleave > 0) {
for (k = 0; k < step; k++)
*d++ = rev ? bitrev[c[k]] : c[k];
} else {
for (k = -interleave; k > 0; k--)
for (k = step; k > 0; k--)
*d++ = rev ? bitrev[c[k-1]] : c[k-1];
}
}

2
src/tools/pw-cat.c
View file

@ -1274,7 +1274,7 @@ static int setup_dsffile(struct data *data)
data->dsf.info.lsb ? "lsb" : "msb");
data->fill = dsf_play;
;
return 0;
}