ActiveCaptureSources BYTE Bit 0: Capture source 1, …, bit 3
BYTE dwBitSize DWORD dwBitOffset DWORD
BYTE dwBitSize DWORD dwBitOffset DWORD
BYTE dwBitSize DWORD dwBitOffset DWORD
BYTE dwBitSize DWORD dwBitOffset DWORD
BYTE dwBitSize DWORD dwBitOffset DWORD
BYTE dwBitSize DWORD dwBitOffset DWORD
of the master [...] Length WORD Length of FMMU in Bytes usiStartBit
of the master [...] Length WORD Length of FMMU in Bytes usiStartBit
Data POINTER TO BYTE dwBitSize DWORD dwBit