cvReleaseCapture_FFMPEG  150 modules/videoio/src/cap_ffmpeg.cpp         icvReleaseCapture_FFMPEG_p = (CvReleaseCapture_Plugin)cvReleaseCapture_FFMPEG;
cvReleaseCapture_FFMPEG   44 modules/videoio/src/cap_ffmpeg_api.hpp OPENCV_FFMPEG_API void cvReleaseCapture_FFMPEG(struct CvCapture_FFMPEG** cap);