/*
  * ESPRESSIF MIT License
  *
  * Copyright (c) 2018 <ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD>
  *
  * Permission is hereby granted for use on ESPRESSIF SYSTEMS products only, in which case,
  * it is free of charge, to any person obtaining a copy of this software and associated
  * documentation files (the "Software"), to deal in the Software without restriction, including
  * without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the Software is furnished
  * to do so, subject to the following conditions:
  *
  * The above copyright notice and this permission notice shall be included in all copies or
  * substantial portions of the Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
  * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
  * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  */
#pragma once

#if __cplusplus
extern "C"
{
#endif

#include "image_util.h"
#include "dl_lib.h"
#include "mtmn.h"

    static inline mtmn_config_t mtmn_init_config()
    {
        mtmn_config_t mtmn_config;
        mtmn_config.min_face = 80;
        mtmn_config.pyramid = 0.7;
        mtmn_config.p_threshold.score = 0.6;
        mtmn_config.p_threshold.nms = 0.7;
        mtmn_config.r_threshold.score = 0.6;
        mtmn_config.r_threshold.nms = 0.7;
        mtmn_config.r_threshold.candidate_number = 4;
        mtmn_config.o_threshold.score = 0.6;
        mtmn_config.o_threshold.nms = 0.4;
        mtmn_config.o_threshold.candidate_number = 1;

        return mtmn_config;
    }

    /**
     * @brief Do MTMN face detection, return box and landmark infomation.
     * 
     * @param image_matrix      Image matrix, rgb888 format
     * @param config            Configuration of MTMN i.e. score threshold, nms threshold, candidate number threshold, pyramid, min face size
     * @return box_array_t*     A list of boxes and score.
     */
    box_array_t *face_detect(dl_matrix3du_t *image_matrix,
                             mtmn_config_t *config);

#if __cplusplus
}
#endif