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#ifndef OPENCV_DATASETS_GR_CHALEARN_HPP
#define OPENCV_DATASETS_GR_CHALEARN_HPP

#include <string>
#include <vector>

#include "opencv2/datasets/dataset.hpp"

#include <opencv2/core.hpp>

namespace cv
{
namespace datasets
{

//! @addtogroup datasets_gr
//! @{

struct groundTruth
{
    int gestureID, initialFrame, lastFrame;
};

struct join
{
    double Wx, Wy, Wz, Rx, Ry, Rz, Rw, Px, Py;
};

struct skeleton
{
    join s[20];
};

struct GR_chalearnObj : public Object
{
    std::string name, nameColor, nameDepth, nameUser;
    int numFrames, fps, depth;
    std::vector<groundTruth> groundTruths;
    std::vector<skeleton> skeletons;
};

class CV_EXPORTS GR_chalearn : public Dataset
{
public:
    virtual void load(const std::string &path) = 0;

    static Ptr<GR_chalearn> create();
};

//! @}

}
}

#endif