m_f               177 modules/videoio/src/cap_mjpeg_decoder.cpp MjpegInputStream::MjpegInputStream(): m_is_valid(false), m_f(0)
m_f               181 modules/videoio/src/cap_mjpeg_decoder.cpp MjpegInputStream::MjpegInputStream(const String& filename): m_is_valid(false), m_f(0)