'\" te
.\" Copyright (c) 2007, Sun Microsystems, Inc.  All Rights Reserved 
.TH mlib_SignalIIRInit_Biquad_S16_S16 3MLIB "2 Mar 2007" "SunOS 5.11" "mediaLib Library Functions"
.SH NAME
mlib_SignalIIRInit_Biquad_S16_S16, mlib_SignalIIRInit_Biquad_S16S_S16S \- biquad Infinite Impulse Response (IIR) filtering
.SH SYNOPSIS
.LP
.nf
cc [ \fIflag\fR... ] \fIfile\fR... \fB-lmlib\fR [ \fIlibrary\fR... ]
#include <mlib.h>

\fBmlib_status\fR \fBmlib_SignalIIRInit_Biquad_S16_S16\fR(\fBvoid **\fR\fIfilter\fR,
     \fBconst mlib_f32 *\fR\fIflt\fR);
.fi

.LP
.nf
\fBmlib_status\fR \fBmlib_SignalIIRInit_Biquad_S16S_S16S\fR(\fBvoid **\fR\fIfilter\fR,
     \fBconst mlib_f32 *\fR\fIflt\fR);
.fi

.SH DESCRIPTION
.sp
.LP
Each of these functions allocates memory for the internal file structure and converts the filter coefficients into an internal representation.
.SH PARAMETERS
.sp
.LP
Each of the functions takes the following arguments:
.sp
.ne 2
.mk
.na
\fB\fIfilter\fR\fR
.ad
.RS 10n
.rt  
Internal filter structure.
.RE

.sp
.ne 2
.mk
.na
\fB\fIflt\fR\fR
.ad
.RS 10n
.rt  
Array of five filter coefficients: a0, a1, a2, b1, and b2.
.RE

.SH RETURN VALUES
.sp
.LP
Each of the functions returns \fBMLIB_SUCCESS\fR if successful. Otherwise it returns \fBMLIB_FAILURE\fR.
.SH ATTRIBUTES
.sp
.LP
See \fBattributes\fR(5) for descriptions of the following attributes:
.sp

.sp
.TS
tab() box;
cw(2.75i) |cw(2.75i) 
lw(2.75i) |lw(2.75i) 
.
ATTRIBUTE TYPEATTRIBUTE VALUE
_
Interface StabilityCommitted
_
MT-LevelMT-Safe
.TE

.SH SEE ALSO
.sp
.LP
\fBmlib_SignalIIR_Biquad_S16_S16_Sat\fR(3MLIB), \fBmlib_SignalIIR_P4_S16_S16_Sat\fR(3MLIB), \fBmlib_SignalIIRFree_Biquad_S16_S16\fR(3MLIB), \fBmlib_SignalIIRFree_P4_S16_S16\fR(3MLIB), \fBmlib_SignalIIRInit_P4_S16_S16\fR(3MLIB), \fBattributes\fR(5)