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      1 /*M///////////////////////////////////////////////////////////////////////////////////////
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     11 //                For Open Source Computer Vision Library
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     42 
     43 #ifndef __OPENCV_VIDEOSTAB_FRAME_SOURCE_HPP__
     44 #define __OPENCV_VIDEOSTAB_FRAME_SOURCE_HPP__
     45 
     46 #include <vector>
     47 #include "opencv2/core.hpp"
     48 
     49 namespace cv
     50 {
     51 namespace videostab
     52 {
     53 
     54 //! @addtogroup videostab
     55 //! @{
     56 
     57 class CV_EXPORTS IFrameSource
     58 {
     59 public:
     60     virtual ~IFrameSource() {}
     61     virtual void reset() = 0;
     62     virtual Mat nextFrame() = 0;
     63 };
     64 
     65 class CV_EXPORTS NullFrameSource : public IFrameSource
     66 {
     67 public:
     68     virtual void reset() {}
     69     virtual Mat nextFrame() { return Mat(); }
     70 };
     71 
     72 class CV_EXPORTS VideoFileSource : public IFrameSource
     73 {
     74 public:
     75     VideoFileSource(const String &path, bool volatileFrame = false);
     76 
     77     virtual void reset();
     78     virtual Mat nextFrame();
     79 
     80     int width();
     81     int height();
     82     int count();
     83     double fps();
     84 
     85 private:
     86     Ptr<IFrameSource> impl;
     87 };
     88 
     89 //! @}
     90 
     91 } // namespace videostab
     92 } // namespace cv
     93 
     94 #endif
     95