git-svn-id: svn://svn.code.sf.net/p/bs2b/code/trunk/libbs2b@100 bc0edfbe-c936-4687-b64d-f70bc3985e72

2 files changed, 7 insertions, 4 deletions

diff --git a/src/bs2b.c b/src/bs2b.c
index 7fb7e46..0fe4fdf 100644
--- a/src/bs2b.c
+++ b/src/bs2b.c
@@ -287,14 +287,14 @@ int bs2b_get_level_feed( t_bs2bdp bs2bdp )
 
 int bs2b_get_level_delay( t_bs2bdp bs2bdp )
 {
-	int x;
+	int fcut;
 	
-	x = bs2bdp->level & 0xffff; /* get cut frequency */
+	fcut = bs2bdp->level & 0xffff; /* get cut frequency */
 
-	if( ( x > BS2B_MAXFCUT ) || ( x < BS2B_MINFCUT ) )
+	if( ( fcut > BS2B_MAXFCUT ) || ( fcut < BS2B_MINFCUT ) )
 		return 0;
 
-	return( ( 18700 / x ) * 10 );
+	return bs2b_level_delay( fcut );
 } /* bs2b_get_level_delay() */
 
 void bs2b_set_srate( t_bs2bdp bs2bdp, uint32_t srate )
diff --git a/src/bs2b.h b/src/bs2b.h
index ccdb6db..e70a4be 100644
--- a/src/bs2b.h
+++ b/src/bs2b.h
@@ -60,6 +60,9 @@
 /* Default sample rate (Hz) */
 #define BS2B_DEFAULT_SRATE   44100
 
+/* A delay at low frequency by microseconds according to cut frequency */
+#define bs2b_level_delay( fcut ) ( ( 18700 / fcut ) * 10 )
+
 typedef struct
 {
 	uint32_t level;              /* Crossfeed level */