Version 0.1.10 from FTP

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@392 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 34 insertions, 0 deletions

diff --git a/include/asterisk/alaw.h b/include/asterisk/alaw.h
new file mode 100755
index 000000000..6861955bb
--- /dev/null
+++ b/include/asterisk/alaw.h
@@ -0,0 +1,34 @@
+/*
+ * Asterisk -- A telephony toolkit for Linux.
+ *
+ * A-Law to Signed linear conversion
+ * 
+ * Copyright (C) 1999, Mark Spencer
+ *
+ * Mark Spencer <markster@linux-support.net>
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License
+ */
+
+#ifndef _ASTERISK_ALAW_H
+#define _ASTERISK_ALAW_H
+
+//! Init the ulaw conversion stuff
+/*!
+ * To init the ulaw to slinear conversion stuff, this needs to be run.
+ */
+extern void ast_alaw_init(void);
+
+//! converts signed linear to mulaw
+/*!
+  */
+extern unsigned char __ast_lin2a[8192];
+
+//! help
+extern short __ast_alaw[256];
+
+#define AST_LIN2A(a) (__ast_lin2a[((unsigned short)(a)) >> 3])
+#define AST_ALAW(a) (__ast_alaw[(a)])
+
+#endif