_refs 57 libavdevice/decklink_enc.cpp virtual ULONG STDMETHODCALLTYPE AddRef(void) { return ++_refs; } _refs 58 libavdevice/decklink_enc.cpp virtual ULONG STDMETHODCALLTYPE Release(void) { if (!--_refs) delete this; return _refs; } _refs 67 libavdevice/decklink_enc.cpp int _refs;