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use htole16 to ensure that the pcm stream is slinear16_le on big endian hosts

This commit is contained in:
jmcneill 2010-09-01 21:54:00 +00:00
parent fb721bf812
commit 014a1e1b18
1 changed files with 6 additions and 3 deletions
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9
usr.bin/audiocfg/dtmf.c
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@ -1,4 +1,4 @@
/* $NetBSD: dtmf.c,v 1.1 2010/09/01 09:04:16 jmcneill Exp $ */
/* $NetBSD: dtmf.c,v 1.2 2010/09/01 21:54:00 jmcneill Exp $ */
/*
* Copyright (c) 2010 Jared D. McNeill <jmcneill@invisible.ca>
@ -26,6 +26,8 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/endian.h>
#include <fcntl.h>
#include <math.h>
#include <stdio.h>
@ -50,9 +52,10 @@ dtmf_create(int16_t *buf, unsigned int sample_rate,
for (c = 0; c < channels; c++) {
if ((chanmask & (1 << c)) == 0)
continue;
buf[c] =
buf[c] = htole16(
(sin(i * PI2 * (freq1 / sample_rate)) +
sin(i * PI2 * (freq2 / sample_rate))) * 16383;
sin(i * PI2 * (freq2 / sample_rate))) * 16383
);
}
buf += channels;
}