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audioconvert: ensure alignment

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Allocate a little bit more data to ensure alignment and overread of the
dither data.
Ensure sse2 can load aligned data in all cases.
This commit is contained in:
Wim Taymans 2022-06-27 17:18:23 +02:00
parent b41d52cfd1
commit 00998ffd7e
4 changed files with 19 additions and 18 deletions
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4
spa/plugins/audioconvert/dither-ops-c.c
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@ -49,7 +49,7 @@ void dither_f32_c(struct dither *dt, void * SPA_RESTRICT dst[],
uint32_t i, n, m, chunk;
const float **s = (const float**)src;
float **d = (float**)dst;
float *t = dt->dither;
float *dither = dt->dither;
chunk = SPA_MIN(n_samples, dt->dither_size);
update_dither_c(dt, chunk);
@ -62,7 +62,7 @@ void dither_f32_c(struct dither *dt, void * SPA_RESTRICT dst[],
const float *si = &s[i][n];
for (m = 0; m < chunk; m++)
di[m] = si[m] + t[m];
di[m] = si[m] + dither[m];
}
}
}