Control the passive decoding.
BOOL NET_DVR_MatrixPassiveDecodeControl( LONG lUserID, DWORD dwDecChanNum, NET_DVR_PASSIVEDECODE_CONTROL *lpInter );
[IN] Value returned by NET_DVR_Login_V40
[IN] Decoding channel No.
[IN] Parameters for controlling decoding, see details in the structure NET_DVR_PASSIVEDECODE_CONTROL.
Return TRUE for success, and return FALSE for failure.
If FALSE is returned, you can call NET_DVR_GetLastError to get the error code.