Fixed for web-cam

AlexeyAB

2017-11-08 12c1d55942a2d89ab14e131feb54645f9ce6a0e8

 src/yolo_v2_class.hpp

@@ -11,9 +11,17 @@
#endif   // OPENCV

#ifdef YOLODLL_EXPORTS
#if defined(_MSC_VER)
#define YOLODLL_API __declspec(dllexport) 
#else
#define YOLODLL_API __attribute__((visibility("default")))
#endif
#else
#if defined(_MSC_VER)
#define YOLODLL_API __declspec(dllimport) 
#else
#define YOLODLL_API
#endif
#endif

struct bbox_t {
@@ -39,32 +47,52 @@
   YOLODLL_API Detector(std::string cfg_filename, std::string weight_filename, int gpu_id = 0);
   YOLODLL_API ~Detector();

   YOLODLL_API std::vector<bbox_t> detect(std::string image_filename, float thresh = 0.2);
   YOLODLL_API std::vector<bbox_t> detect(image_t img, float thresh = 0.2);
   YOLODLL_API std::vector<bbox_t> detect(std::string image_filename, float thresh = 0.2, bool use_mean = false);
   YOLODLL_API std::vector<bbox_t> detect(image_t img, float thresh = 0.2, bool use_mean = false);
   static YOLODLL_API image_t load_image(std::string image_filename);
   static YOLODLL_API void free_image(image_t m);
   YOLODLL_API int get_net_width() const;
   YOLODLL_API int get_net_height() const;

   YOLODLL_API std::vector<bbox_t> tracking(std::vector<bbox_t> cur_bbox_vec, int const frames_story = 4);
   YOLODLL_API std::vector<bbox_t> tracking(std::vector<bbox_t> cur_bbox_vec, int const frames_story = 6);

#ifdef OPENCV
   std::vector<bbox_t> detect(cv::Mat mat, float thresh = 0.2) 
   std::vector<bbox_t> detect(cv::Mat mat, float thresh = 0.2, bool use_mean = false)
   {
      if(mat.data == NULL)
         throw std::runtime_error("file not found");
         throw std::runtime_error("Image is empty");
      auto image_ptr = mat_to_image_resize(mat);
      return detect_resized(*image_ptr, mat.size(), thresh, use_mean);
   }

   std::vector<bbox_t> detect_resized(image_t img, cv::Size init_size, float thresh = 0.2, bool use_mean = false)
   {
      if (img.data == NULL)
         throw std::runtime_error("Image is empty");
      auto detection_boxes = detect(img, thresh, use_mean);
      float wk = (float)init_size.width / img.w, hk = (float)init_size.height / img.h;
      for (auto &i : detection_boxes) i.x *= wk, i.w *= wk, i.y *= hk, i.h *= hk;
      return detection_boxes;
   }

   std::shared_ptr<image_t> mat_to_image_resize(cv::Mat mat) const
   {
      if (mat.data == NULL) return std::shared_ptr<image_t>(NULL);
      cv::Mat det_mat;
      cv::resize(mat, det_mat, cv::Size(get_net_width(), get_net_height()));
      return mat_to_image(det_mat);
   }

   static std::shared_ptr<image_t> mat_to_image(cv::Mat img)
   {
      std::shared_ptr<image_t> image_ptr(new image_t, [](image_t *img) { free_image(*img); delete img; });
      *image_ptr = mat_to_image(mat);
      return detect(*image_ptr, thresh);
      std::shared_ptr<IplImage> ipl_small = std::make_shared<IplImage>(img);
      *image_ptr = ipl_to_image(ipl_small.get());
      rgbgr_image(*image_ptr);
      return image_ptr;
   }

private:
   static image_t mat_to_image(cv::Mat img)
   {
      std::shared_ptr<IplImage> ipl_small = std::make_shared<IplImage>(img);
      image_t im_small = ipl_to_image(ipl_small.get());
      rgbgr_image(im_small);
      return im_small;
   }

   static image_t ipl_to_image(IplImage* src)
   {
      unsigned char *data = (unsigned char *)src->imageData;