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remove sqrtone bits

This commit is contained in:
Alexandre Ratchov 2014-02-19 17:31:16 +01:00
parent 556d5f075b
commit 9c47745d49
2 changed files with 0 additions and 22 deletions
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21
sndiod/dsp.c
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@ -685,24 +685,3 @@ cmap_init(struct cmap *p,
}
#endif
}
/*
* produce a square tone, for instance with:
*
* period = round / (220 * round / rate)
*/
int
sqrtone(int ctx, adata_t *out, int period, int vol, int todo)
{
int i;
for (i = todo; i > 0; i--) {
if (ctx == 0) {
vol = -vol;
ctx = period / 2;
}
ctx--;
*(out++) += vol;
}
return ctx;
}

1
sndiod/dsp.h
View File

@ -157,6 +157,5 @@ void dec_init(struct conv *, struct aparams *, int);
void cmap_add(struct cmap *, void *, void *, int, int);
void cmap_copy(struct cmap *, void *, void *, int, int);
void cmap_init(struct cmap *, int, int, int, int, int, int, int, int);
int sqrtone(int, adata_t *, int, int, int);
#endif /* !defined(DSP_H) */