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/* Copyright (c) 2012 Patrick Ruoff
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*/
#ifndef CAMERA_H
#define CAMERA_H
#include <opencv2/opencv.hpp>
// ----------------------------------------------------------------------------
struct CamInfo
{
int res_x;
int res_y;
int fps;
float f; // (focal length) / (sensor width)
};
// ----------------------------------------------------------------------------
class Camera
{
public:
Camera();
~Camera();
void set_index(int index);
void set_f(float f) { cam_info.f = f; }
// gets a frame from the camera, dt: time since last call in seconds
cv::Mat get_frame(float dt);
// WARNING: returned reference is valid as long as object
const CamInfo& get_info() const { return cam_info; }
protected:
CvCapture* cap;
CamInfo cam_info;
float dt_valid;
float dt_mean;
};
#endif //CAMERA_H
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