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Version 0.1.10 from FTP

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@390 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2001-12-07 22:57:34 +00:00
parent 42a1f82af3
commit 3a8facf06d
5 changed files with 334 additions and 12 deletions
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10
ulaw.c
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@@ -17,8 +17,8 @@
#define BIAS 0x84 /* define the add-in bias for 16 bit samples */
#define CLIP 32635
unsigned char ast_lin2mu[65536];
short ast_mulaw[256];
unsigned char __ast_lin2mu[16384];
short __ast_mulaw[256];
static unsigned char
linear2ulaw(short sample)
@@ -76,12 +76,12 @@ void ast_ulaw_init(void)
y = f * (1 << (e + 3));
y += etab[e];
if (mu & 0x80) y = -y;
ast_mulaw[i] = y;
__ast_mulaw[i] = y;
}
/* set up the reverse (mu-law) conversion table */
for(i = 0; i < 65536; i++)
for(i = -32768; i < 32768; i++)
{
ast_lin2mu[i] = linear2ulaw(i - 32768);
__ast_lin2mu[((unsigned short)i) >> 2] = linear2ulaw(i);
}
}