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authorJacob Meuser <jakemsr@cvs.openbsd.org>2007-10-23 19:54:37 +0000
committerJacob Meuser <jakemsr@cvs.openbsd.org>2007-10-23 19:54:37 +0000
commita3f84490b21b997c4a0b538d29c25f6e5cf95a59 (patch)
tree16f819913cc7aaf90bc04be82685f60e883f3c39 /sys/dev/mulaw.h
parent62dc01380e92e90afcbb823f11321e091881b8bf (diff)
- add a couple more mono-to-stereo conversions
- add stereo-to-mono conversions for mono recording on stereo only devices
Diffstat (limited to 'sys/dev/mulaw.h')
-rw-r--r--sys/dev/mulaw.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/dev/mulaw.h b/sys/dev/mulaw.h
index 6d2c2d54828..1ec76461198 100644
--- a/sys/dev/mulaw.h
+++ b/sys/dev/mulaw.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: mulaw.h,v 1.12 2005/04/14 01:24:20 pascoe Exp $ */
+/* $OpenBSD: mulaw.h,v 1.13 2007/10/23 19:54:36 jakemsr Exp $ */
/* $NetBSD: mulaw.h,v 1.11 1999/11/01 18:12:19 augustss Exp $ */
/*-
@@ -75,6 +75,12 @@ extern void slinear8_to_alaw(void *, u_char *, int);
/* Convert 8-bit a-law to/from mulaw */
void alaw_to_mulaw(void *, u_char *, int);
void mulaw_to_alaw(void *, u_char *, int);
+/* Convert 16-bit signed linear stereo to 8-bit a-law mono */
+void slinear16_to_alaw_le_stm(void *, u_char *, int);
+void slinear16_to_alaw_be_stm(void *, u_char *, int);
+/* Convert 16-bit signed linear stereo to 8-bit mu-law mono */
+void slinear16_to_mulaw_le_stm(void *, u_char *, int);
+void slinear16_to_mulaw_be_stm(void *, u_char *, int);
/* backwards compat for now */
#if BYTE_ORDER == LITTLE_ENDIAN