setBgf2            84 3rdparty/openexr/IlmImf/ImfTimeCode.cpp     setBgf2 (bgf2);
setBgf2           382 3rdparty/openexr/IlmImf/ImfTimeCode.cpp         setBgf2 (true);
setBgf2           198 3rdparty/openexr/IlmImf/ImfTimeCode.h     void	setBgf2 (bool value);