28#if !defined(_SPANDSP_PLC_H_)
29#define _SPANDSP_PLC_H_
97#define PLC_PITCH_MIN 120
99#define PLC_PITCH_MAX 40
101#define PLC_PITCH_OVERLAP_MAX (PLC_PITCH_MIN >> 2)
103#define CORRELATION_SPAN 160
107#define PLC_HISTORY_LEN (CORRELATION_SPAN + PLC_PITCH_MIN)
129#if defined(__cplusplus)
166#if defined(__cplusplus)
int plc_free(plc_state_t *s)
Definition plc.c:251
int plc_fillin(plc_state_t *s, int16_t amp[], int len)
Fill-in a block of missing audio samples.
Definition plc.c:159
#define PLC_HISTORY_LEN
Definition plc.h:107
#define PLC_PITCH_MIN
Definition plc.h:97
plc_state_t * plc_init(plc_state_t *s)
Initialise a PLC context.
Definition plc.c:233
int plc_release(plc_state_t *s)
Definition plc.c:245
int plc_rx(plc_state_t *s, int16_t amp[], int len)
Process a block of received audio samples for PLC.
Definition plc.c:115
float pitchbuf[120]
Definition plc.h:121
int pitch_offset
Definition plc.h:117
int missing_samples
Definition plc.h:115
int16_t history[(160+120)]
Definition plc.h:123
int buf_ptr
Definition plc.h:125
int pitch
Definition plc.h:119