frame_source.hpp

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#ifndef OPENCV_VIDEOSTAB_FRAME_SOURCE_HPP




#define OPENCV_VIDEOSTAB_FRAME_SOURCE_HPP








#include <vector>




#include "opencv2/core.hpp"








namespace

cv



{



namespace
videostab


{











class
CV_EXPORTS
IFrameSource



{



public:



virtual
~IFrameSource() {}



virtual
void
reset() = 0;



virtual
Mat
nextFrame() = 0;


};







class
CV_EXPORTS
NullFrameSource
:
public
IFrameSource



{



public:



virtual
void
reset() CV_OVERRIDE {}



virtual
Mat
nextFrame() CV_OVERRIDE {
return
Mat(); }


};







class
CV_EXPORTS
VideoFileSource
:
public
IFrameSource



{



public:



VideoFileSource(const
String &path,
bool
volatileFrame =
false);







virtual
void
reset() CV_OVERRIDE;



virtual
Mat
nextFrame() CV_OVERRIDE;







int
width();



int
height();



int
count();



double
fps();







private:



Ptr<IFrameSource>
impl;


};







class

MaskFrameSource
:
public
IFrameSource



{



public:



MaskFrameSource(const
Ptr<IFrameSource>& source): impl(source) {};







virtual
void
reset() CV_OVERRIDE { impl->reset(); }



virtual
Mat
nextFrame() CV_OVERRIDE {



Mat
nextFrame = impl->nextFrame();



maskCallback_(nextFrame);



return
nextFrame;



}







void
setMaskCallback(std::function<void(Mat&)> MaskCallback)



{



maskCallback_ = std::bind(MaskCallback, std::placeholders::_1);



};







private:



Ptr<IFrameSource>
impl;



std::function<void(Mat&)> maskCallback_;


};










}
// namespace videostab



}
// namespace cv








#endif