new conversion functions from NetBSD for uaudio

1 files changed, 12 insertions, 1 deletions

diff --git a/sys/dev/mulaw.c b/sys/dev/mulaw.c
index e049f3e571b..ed48659fe39 100644
--- a/sys/dev/mulaw.c
+++ b/sys/dev/mulaw.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: mulaw.c,v 1.8 2001/12/31 04:14:00 mickey Exp $ */
+/*	$OpenBSD: mulaw.c,v 1.9 2002/05/06 02:34:57 nate Exp $ */
 /*	$NetBSD: mulaw.c,v 1.15 2001/01/18 20:28:20 jdolecek Exp $	*/
 
 /*
@@ -347,6 +347,17 @@ mulaw_to_slinear16_be(v, p, cc)
 }
 
 void
+slinear16_to_mulaw_le(void *v, u_char* p, int cc)
+{
+	u_char *q = p + 1;	/* q points higher byte. */
+
+	while (--cc >= 0) {
+		*p++ = lintomulaw[*q ^ 0x80];
+		q +=2 ;
+	}
+}
+
+void
 ulinear8_to_mulaw(v, p, cc)
 	void *v;
 	u_char *p;