Error 0x0004027E

Value: 262782 | 0x0004027E | 262782

What does it mean ?

VFW_S_NOPREVIEWPIN  
There was no preview pin available, so the capture pin output is being split to provide both capture and preview.%0
Value: 638 | 0x027E | 0b0000001001111110

Where does it come from ?

FACILITY_ITF  
COM/OLE Interface management. FACILITY_ITF is designated for user-defined error codes returned from interface methods
Value: 4 | 0x004 | 0b00000100

Other Errors for FACILITY_ITF