text: /**
  * Copyright 2020 Huawei Technologies Co., Ltd
  *
  * 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.
  
  * File sample_process.h
  * Description: handle acl resource
  */
  #pragma once
  #include "utils.h"
  #include "acl/acl.h"
  #include "opencv2/opencv.hpp"
  #include "model_process.h"
  #include "dvpp_process.h"
  #include <memory>
  
  using namespace std;
  
  /**
  * ClassifyProcess
  */
  class ObjectDetect {
  public:
      ObjectDetect(const char* modelPath, 
                   uint32_t modelWidth, uint32_t modelHeight);
      ~ObjectDetect();
  
      Result Init();
      Result ProcessForDvpp(ImageData& srcImage, const string& origImagePath);
      Result ProcessForOpenCV(cv::Mat& srcMat, const string& origImagePath);
      Result Preprocess(ImageData& resizedImage, ImageData& srcImage);
      Result PreprocessOpencv(cv::Mat& srcMat, uint32_t& reiszeMatLen, 
                              void*& reiszeMatBuffer);
      Result Inference(aclmdlDataset*& inferenceOutput, ImageData& resizedImage);
      Result InferenceOpenCV(aclmdlDataset*& inferenceOutput, 
                             uint32_t& reiszeMatLen, 
                             void*& reiszeMatBuffer);
      Result Postprocess(ImageData& image, aclmdlDataset* modelOutput,
                         const string& origImagePath);
      Result PostprocessOpenCV(cv::Mat& srcMat, aclmdlDataset* modelOutput,
                               const string& origImagePath);
  private:
      Result InitResource();
      Result InitModel(const char* omModelPath);
      Result CreateImageInfoBuffer();
      void* GetInferenceOutputItem(uint32_t& itemDataSize,
                                   aclmdlDataset* inferenceOutput,
                                   uint32_t idx);
      void DrowBoundBoxToImage(vector<BBox>& detectionResults,
                               const string& origImagePath);
      void DrowBoundBoxToOpenCVImage(vector<BBox>& detectionResults,
                                     const string& origImagePath);
      void DestroyResource();
  
  private:
      int32_t deviceId_;
      aclrtContext context_;
      aclrtStream stream_;
      uint32_t imageInfoSize_;
      void* imageInfoBuf_;
      ModelProcess model_;
  
      const char* modelPath_;
      uint32_t modelWidth_;
      uint32_t modelHeight_;
      uint32_t inputDataSize_;
      DvppProcess dvpp_;
      aclrtRunMode runMode_;
  
      bool isInited_;
      bool isDeviceSet_;
  };
  
  