90 lines
2.3 KiB
C
90 lines
2.3 KiB
C
/* wanpipe_edac_iface.h */
|
|
#ifndef __WANPIPE_EDAC_IFACE_H
|
|
#define __WANPIPE_EDAC_IFACE_H
|
|
|
|
|
|
#define WAN_TDMV_RX 0
|
|
#define WAN_TDMV_TX 1
|
|
|
|
typedef struct wan_tdmv_pwr{
|
|
unsigned int sum;
|
|
unsigned int tap_depth;
|
|
unsigned int tap_debug_counter;
|
|
}wan_tdmv_pwr_t;
|
|
|
|
typedef struct _sample_state_t{
|
|
int state;
|
|
int forced_state;
|
|
}sample_state_t;
|
|
#define SAMPLE_STATE_HISTORY_LEN 3
|
|
|
|
typedef struct wan_tdmv_rxtx_pwr{
|
|
wan_tdmv_pwr_t direction[2];
|
|
/* of type ED_STATE */
|
|
int sample_state[SAMPLE_STATE_HISTORY_LEN];
|
|
//sample_state_t sample_state[SAMPLE_STATE_HISTORY_LEN];
|
|
|
|
unsigned int current_sample_number;
|
|
|
|
/* of type ED_STATE */
|
|
int current_state;
|
|
|
|
/* see comment in ED code */
|
|
int complete_samples_counter;
|
|
|
|
/* debugging stuff */
|
|
unsigned int total_samples_number;
|
|
/* current counters */
|
|
unsigned int echo_present_samples_number;
|
|
unsigned int echo_absent_samples_number;
|
|
/* history counters */
|
|
unsigned int echo_present_samples_number_history;
|
|
unsigned int echo_absent_samples_number_history;
|
|
}wan_tdmv_rxtx_pwr_t;
|
|
|
|
|
|
typedef enum { ECHO_PRESENT, ECHO_ABSENT, INDETERMINATE, DOUBLE_TALK, NOT_USED } ED_STATE;
|
|
|
|
typedef enum { ECHO_DETECT_OFF, ECHO_DETECT_ON } ED_CONTROL_STATE;
|
|
|
|
typedef struct _echo_detect_struct{
|
|
/* Used for reporting Echo Presence/Absence on a Asterisk CLI request. */
|
|
ED_STATE echo_state;
|
|
|
|
/* Controls start/stop of ED algorithm. */
|
|
ED_CONTROL_STATE echo_detection_state;
|
|
ED_CONTROL_STATE echo_detection_state_old;
|
|
|
|
/* if 1 ED algorithm enabled for the channel */
|
|
int ed_enabled;
|
|
|
|
/* debugging stuff */
|
|
int echo_absent_samples_number;
|
|
int echo_present_samples_number;
|
|
|
|
unsigned int last_rx_power;
|
|
unsigned int last_tx_power;
|
|
|
|
}echo_detect_struct_t;
|
|
|
|
/*
|
|
#define TDMV_SAMPLE_STATE_DECODE(state) \
|
|
((state == ECHO_PRESENT) ? "ECHO_PRESENT" : \
|
|
(state == ECHO_ABSENT) ? "ECHO_ABSENT" : \
|
|
(state == INDETERMINATE) ? "INDETERMINATE" : "Invalid")
|
|
*/
|
|
#define TDMV_SAMPLE_STATE_DECODE(state) \
|
|
((state == ECHO_PRESENT) ? "P" : \
|
|
(state == ECHO_ABSENT) ? "A" : \
|
|
(state == DOUBLE_TALK) ? "D" : \
|
|
(state == INDETERMINATE) ? "I" : "Invalid")
|
|
|
|
extern int wp_tdmv_calc_echo (wan_tdmv_rxtx_pwr_t *pwr_rxtx,
|
|
int is_mlaw,
|
|
int channo,
|
|
unsigned char* rxdata, unsigned char *txdata,
|
|
int len);
|
|
extern void init_ed_state(wan_tdmv_rxtx_pwr_t *pwr_rxtx, int echo_detect_chan);
|
|
|
|
#endif
|