Error 0x80040249

Value: -2147220919 | 0x80040249 | 2147746377

What does it mean ?

VFW_E_SAMPLE_TIME_NOT_SET  
DirectShow: No time stamp has been set for this sample.
Value: 585 | 0x0249 | 0b0000001001001001

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

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