1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Rockchip VAD Preprocess 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2018 Fuzhou Rockchip Electronics Co., Ltd 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #ifndef _ROCKCHIP_VAD_PREPROCESS_H 10*4882a593Smuzhiyun #define _ROCKCHIP_VAD_PREPROCESS_H 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun struct vad_params { 13*4882a593Smuzhiyun int noise_abs; 14*4882a593Smuzhiyun int noise_level; 15*4882a593Smuzhiyun int sound_thd; 16*4882a593Smuzhiyun int vad_con_thd; 17*4882a593Smuzhiyun int voice_gain; 18*4882a593Smuzhiyun }; 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun struct vad_uparams { 21*4882a593Smuzhiyun int noise_abs; 22*4882a593Smuzhiyun }; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun void vad_preprocess_init(struct vad_params *params); 25*4882a593Smuzhiyun void vad_preprocess_destroy(void); 26*4882a593Smuzhiyun void vad_preprocess_update_params(struct vad_uparams *uparams); 27*4882a593Smuzhiyun int vad_preprocess(int data); 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun #endif 30