vad_api.h

// Copyright 2022 XMOS LIMITED.
// This Software is subject to the terms of the XMOS Public Licence: Version 1.
 
#ifndef _vad_h_
#define _vad_h_
 
#include <stdint.h>
#include "vad_parameters.h"
#include "vad_mel.h"
 
typedef struct {
    int32_t old_features[VAD_N_OLD_FEATURES];
    int32_t prev_frame[VAD_PROC_FRAME_LENGTH - VAD_FRAME_ADVANCE];
} vad_state_t;
 
void vad_init(vad_state_t * state);
 
uint8_t vad_probability_voice(const int32_t input[VAD_FRAME_ADVANCE],
                            vad_state_t * state);
 
 
#endif