man pages section 3: Multimedia Library Functions

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Updated: July 2014
 
 

mlib_SignalIIRInit_P4_F32_F32(3MLIB)

Name

mlib_SignalIIRInit_P4_F32_F32, mlib_SignalIIRInit_P4_F32S_F32S - parallel Infinite Impulse Response (IIR) filtering

Synopsis

cc [ flag... ] file... –lmlib [ library... ]
#include <mlib.h>

mlib_status mlib_SignalIIRInit_P4_F32_F32(void **filter,
     const mlib_f32 flt);
mlib_status mlib_SignalIIRInit_P4_F32S_F32S(void **filter,
     const mlib_f32 flt);

Description

Each of these functions allocates memory for the internal filter structure and converts the filter coefficients to an internal representation.

Parameters

Each of the functions takes the following arguments:

filter

Internal filter structure.

flt

Array of nine filter coefficients: c, a00, a10, b10, b20, a01, a11, b11, and b21.

Return Values

Each of the functions returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE.

Attributes

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE
ATTRIBUTE VALUE
Interface Stability
Committed
MT-Level
MT-Safe

See also

mlib_SignalIIR_Biquad_S16_S16_Sat(3MLIB), mlib_SignalIIR_P4_S16_S16_Sat(3MLIB), mlib_SignalIIRFree_Biquad_S16_S16(3MLIB), mlib_SignalIIRFree_P4_S16_S16(3MLIB), mlib_SignalIIRInit_Biquad_S16_S16(3MLIB), attributes(5)