diff options
Diffstat (limited to 'lib/iir.h')
| -rw-r--r-- | lib/iir.h | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/lib/iir.h b/lib/iir.h deleted file mode 100644 index 58292b2c..00000000 --- a/lib/iir.h +++ /dev/null @@ -1,36 +0,0 @@ -/******************************************************************** - * * - * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. * - * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * - * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * - * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * - * * - * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2001 * - * by the XIPHOPHORUS Company http://www.xiph.org/ * - * * - ******************************************************************** - - function: Direct Form I, II IIR filters, plus some specializations - last mod: $Id: iir.h,v 1.8 2001/12/20 01:00:27 segher Exp $ - - ********************************************************************/ - -#ifndef _V_IIR_H_ -#define _V_IIR_H_ - -typedef struct { - int stages; - float *coeff_A; - float *coeff_B; - float *z_A; - int ring; - float gain; -} IIR_state; - -extern void IIR_init(IIR_state *s,int stages,float gain, float *A, float *B); -extern void IIR_clear(IIR_state *s); -extern float IIR_filter(IIR_state *s,float in); -extern float IIR_filter_Band(IIR_state *s,float in); -extern void IIR_reset(IIR_state *s); - -#endif |