/*
 * Copyright (C) 2015-2020 Alibaba Group Holding Limited
 */
#ifndef __RECOGNITION_H__
#define __RECOGNITION_H__

#include "vad.h"
#include "mfcc.h"

#define VOICE_RECOGNITION_NN (120)
#define VOICE_RECOGNITION_OVLP (60)
#define VOICE_RECOGNITION_FFTFRAME (240)
#define VOICE_RECOGNITION_MODE_NUM_MAX (8)

typedef struct{
    vad_t vad;
    mfcc_t mfcc;
    mfcc_vct_t mfcc_vct;
    int tag;
    short in_tmp[VOICE_RECOGNITION_NN * 2 + VOICE_RECOGNITION_OVLP];
    int dis_thr;
    mfcc_vct_t *mode[VOICE_RECOGNITION_MODE_NUM_MAX];
    unsigned char mode_num;
} mfcc_extract_t;

int speech_recognition_process(mfcc_extract_t *mfcc_exec, short *buf, unsigned int len);

#endif // __RECOGNITION_H__