mdf.c File Reference

#include "misc.h"
#include "speex/speex_echo.h"
#include "fftwrap.h"
#include "pseudofloat.h"
#include "math_approx.h"

Include dependency graph for mdf.c:

Defines
#define	M_PI   3.14159265358979323846
#define	min(a, b)   ((a)<(b) ? (a) : (b))
#define	max(a, b)   ((a)>(b) ? (a) : (b))
#define	WEIGHT_SHIFT   0
#define	TOP16(x)   (x)
Functions
SpeexEchoState *	speex_echo_state_init (int frame_size, int filter_length)
void	speex_echo_state_reset (SpeexEchoState *st)
void	speex_echo_state_destroy (SpeexEchoState *st)
void	speex_echo_cancel (SpeexEchoState *st, short *ref, short *echo, short *out, spx_int32_t *Yout)
int	speex_echo_ctl (SpeexEchoState *st, int request, void *ptr)
Variables
int	fixed_point

---

Define Documentation

#define M_PI   3.14159265358979323846

#define max (  a, b   )     ((a)>(b) ? (a) : (b))

#define min (  a, b   )     ((a)<(b) ? (a) : (b))

#define TOP16 (  x   )     (x)

#define WEIGHT_SHIFT   0

---

Function Documentation

void speex_echo_cancel (  SpeexEchoState *  st, short *  ref, short *  echo, short *  out, spx_int32_t *  Yout )

Performs echo cancellation on a frame

int speex_echo_ctl (  SpeexEchoState *  st, int  request, void *  ptr )

void speex_echo_state_destroy (  SpeexEchoState *  st  )

Destroys an echo canceller state

SpeexEchoState* speex_echo_state_init (  int  frame_size, int  filter_length )

Creates a new echo canceller state

void speex_echo_state_reset (  SpeexEchoState *  st  )

Resets echo canceller state

---

Variable Documentation

int fixed_point

---