seek             4494 modules/core/src/matrix.cpp void MatConstIterator::seek(ptrdiff_t ofs, bool relative)
seek             4554 modules/core/src/matrix.cpp void MatConstIterator::seek(const int* _idx, bool relative)
seek              897 modules/videoio/src/cap_ffmpeg_impl.hpp void CvCapture_FFMPEG::seek(int64_t _frame_number)
seek              955 modules/videoio/src/cap_ffmpeg_impl.hpp void CvCapture_FFMPEG::seek(double sec)