summaryrefslogtreecommitdiffstats
path: root/libaf/filter.h
diff options
context:
space:
mode:
Diffstat (limited to 'libaf/filter.h')
-rw-r--r--libaf/filter.h16
1 files changed, 8 insertions, 8 deletions
diff --git a/libaf/filter.h b/libaf/filter.h
index 31ccbaf3c8..9b882c85d2 100644
--- a/libaf/filter.h
+++ b/libaf/filter.h
@@ -44,25 +44,25 @@
#define ODD 0x00000010 // Make filter HP
// Exported functions
-extern _ftype_t fir(unsigned int n, _ftype_t* w, _ftype_t* x);
+extern _ftype_t af_filter_fir(unsigned int n, _ftype_t* w, _ftype_t* x);
-extern _ftype_t* pfir(unsigned int n, unsigned int k, unsigned int xi, _ftype_t** w, _ftype_t** x, _ftype_t* y, unsigned int s);
+extern _ftype_t* af_filter_pfir(unsigned int n, unsigned int k, unsigned int xi, _ftype_t** w, _ftype_t** x, _ftype_t* y, unsigned int s);
-extern int updateq(unsigned int n, unsigned int xi, _ftype_t* xq, _ftype_t* in);
-extern int updatepq(unsigned int n, unsigned int k, unsigned int xi, _ftype_t** xq, _ftype_t* in, unsigned int s);
+//extern int af_filter_updateq(unsigned int n, unsigned int xi, _ftype_t* xq, _ftype_t* in);
+extern int af_filter_updatepq(unsigned int n, unsigned int k, unsigned int xi, _ftype_t** xq, _ftype_t* in, unsigned int s);
-extern int design_fir(unsigned int n, _ftype_t* w, _ftype_t* fc, unsigned int flags, _ftype_t opt);
+extern int af_filter_design_fir(unsigned int n, _ftype_t* w, _ftype_t* fc, unsigned int flags, _ftype_t opt);
-extern int design_pfir(unsigned int n, unsigned int k, _ftype_t* w, _ftype_t** pw, _ftype_t g, unsigned int flags);
+extern int af_filter_design_pfir(unsigned int n, unsigned int k, _ftype_t* w, _ftype_t** pw, _ftype_t g, unsigned int flags);
-extern int szxform(_ftype_t* a, _ftype_t* b, _ftype_t Q, _ftype_t fc, _ftype_t fs, _ftype_t *k, _ftype_t *coef);
+extern int af_filter_szxform(_ftype_t* a, _ftype_t* b, _ftype_t Q, _ftype_t fc, _ftype_t fs, _ftype_t *k, _ftype_t *coef);
/* Add new data to circular queue designed to be used with a FIR
filter. xq is the circular queue, in pointing at the new sample, xi
current index for xq and n the length of the filter. xq must be n*2
long.
*/
-#define updateq(n,xi,xq,in)\
+#define af_filter_updateq(n,xi,xq,in)\
xq[xi]=(xq)[(xi)+(n)]=*(in);\
xi=(++(xi))&((n)-1);