frame_importer.h

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#ifndef MF_FRAME_IMPORTER_H_
#define MF_FRAME_IMPORTER_H_

#include "../common.h"
#include "../ndarray/ndcoord.h"
#include "../ndarray/ndarray_view.h"

namespace mf {


template<std::size_t Dim, typename Elem>
class frame_importer {
private:
    ndsize<Dim> frame_shape_;

protected:
    frame_importer(const ndsize<Dim>& frame_shape) :
        frame_shape_(frame_shape) { }

public:
    using frame_view_type = ndarray_view<Dim, Elem>;
    using elem_type = Elem;
    constexpr static std::size_t dimension = Dim;
    constexpr static bool is_seekable = false;

    virtual ~frame_importer() { }
    
    const ndsize<Dim>& frame_shape() { return frame_shape_; }
    
    virtual void read_frame(const frame_view_type&) = 0;
    virtual bool reached_end() const = 0;
};


}

#endif