cvCreateFileCapture_FFMPEG  149 modules/videoio/src/cap_ffmpeg.cpp         icvCreateFileCapture_FFMPEG_p = (CvCreateFileCapture_Plugin)cvCreateFileCapture_FFMPEG;
cvCreateFileCapture_FFMPEG   30 modules/videoio/src/cap_ffmpeg_api.hpp OPENCV_FFMPEG_API struct CvCapture_FFMPEG* cvCreateFileCapture_FFMPEG(const char* filename);