// Copyright (c) 2021 by Rockchip Electronics Co., Ltd. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef _SSD_H_
#define _SSD_H_

#include <stdint.h>

#define OBJ_NAME_MAX_SIZE 16
#define OBJ_NUMB_MAX_SIZE 64

typedef struct _BOX_RECT
{
  int left;
  int right;
  int top;
  int bottom;
} BOX_RECT;

typedef struct __detect_result_t
{
  char     name[OBJ_NAME_MAX_SIZE];
  BOX_RECT box;
  float    prop;
} detect_result_t;

typedef struct _detect_result_group_t
{
  int             id;
  int             count;
  detect_result_t results[OBJ_NUMB_MAX_SIZE];
} detect_result_group_t;

#define IMG_CHANNEL 3
#define MODEL_INPUT_SIZE 300
#define NUM_RESULTS 1917
#define NUM_CLASS 91

#define Y_SCALE 10.0f
#define X_SCALE 10.0f
#define H_SCALE 5.0f
#define W_SCALE 5.0f

int loadLabelName(const char* locationFilename, char* labels[]);

int loadBoxPriors(const char* locationFilename, float (*boxPriors)[NUM_RESULTS]);

int postProcessSSD(float* predictions, float* output_classes, int width, int heigh, detect_result_group_t* group);

void deinitPostProcessSSD();

int64_t getCurrentTimeUs();

#endif