Error 0x80040296

Value: -2147220842 | 0x80040296 | 2147746454

What does it mean ?

VFW_E_VMR_NOT_IN_MIXER_MODE  
The VMR has not yet created a mixing component. That is, IVMRFilterConfig::SetNumberofStreams has not yet been called.%0
Value: 662 | 0x0296 | 0b0000001010010110

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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