Error 0xC00D6D74

Value: -1072861836 | 0xC00D6D74 | 3222105460

What does it mean ?

MF_E_TRANSFORM_CANNOT_CHANGE_MEDIATYPE_WHILE_PROCESSING  
The transform cannot accept media type changes in the middle of processing.
Value: 28020 | 0x6D74 | 0b0110110101110100

Where does it come from ?

FACILITY_MEDIASERVER  
Windows Media Server
Value: 13 | 0x00D | 0b00001101

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