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/*
* FILE: parameters.h
* PROGRAM: RAT
* AUTHOR: O.Hodson
*
* Copyright (c) 1998-2001 University College London
* All rights reserved.
*
* $Id: parameters.h,v 1.20 2001/01/08 20:30:04 ucaccsp Exp $
*/
#ifndef _RAT_PARAMETERS_H_
#define _RAT_PARAMETERS_H_
struct s_sd;
struct s_manual_sd;
struct s_vad;
struct s_agc;
struct s_session;
#define VU_INPUT 0
#define VU_OUTPUT 1
void vu_table_init(void);
int lin2vu(uint16_t avg_energy, int peak, int io_dir);
struct s_sd *sd_init (uint16_t blk_dur, uint16_t freq);
void sd_destroy (struct s_sd *s);
void sd_reset (struct s_sd *s);
int sd (struct s_sd *s, uint16_t energy);
struct s_manual_sd *manual_sd_init(uint16_t blk_dur, uint16_t freq, uint16_t thresh);
void manual_sd_destroy(struct s_manual_sd *msd);
int manual_sd(struct s_manual_sd *msd, uint16_t energy, uint16_t max);
void manual_sd_set_thresh(struct s_manual_sd *msd, uint16_t thresh);
const char *sd_name(int silence_detector);
int sd_name_to_type(const char *name);
#define VAD_MODE_LECT 0
#define VAD_MODE_CONF 1
struct s_vad * vad_create (uint16_t blockdur, uint16_t freq);
void vad_config (struct s_vad *v, uint16_t blockdur, uint16_t freq);
void vad_reset (struct s_vad *v);
void vad_destroy (struct s_vad *v);
uint16_t vad_to_get (struct s_vad *v, u_char silence, u_char mode);
uint16_t vad_max_could_get (struct s_vad *v);
u_char vad_in_talkspurt (struct s_vad *v);
uint32_t vad_talkspurt_no (struct s_vad *v);
void vad_dump (struct s_vad *v);
struct s_agc * agc_create (struct s_session *sp);
void agc_destroy (struct s_agc *a);
void agc_update (struct s_agc *a, uint16_t energy, uint32_t spurtno);
void agc_reset (struct s_agc *a);
u_char agc_apply_changes (struct s_agc *a);
#endif /* _RAT_PARAMETERS_H_ */
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