Get the parameters of auto-switch decoding channel.
BOOL NET_DVR_MatrixGetLoopDecChanInfo_V41( LONG lUserID, DWORD dwDecChanNum, NET_DVR_MATRIX_LOOP_DECINFO_V41 *lpOuter );
[IN] Value returned by NET_DVR_Login_V40.
[IN] Decoding channel No. or window No.
[OUT] Parameters of auto-switch decoding channel, see details in the structure NET_DVR_MATRIX_LOOP_DECINFO_V41
Return TRUE for success, and return FALSE for failure.
If FALSE is returned, you can call NET_DVR_GetLastError to get the error code.