Convert channel No. between the private protocol and a text protocol.
BOOL NET_DVR_SDKChannelToISAPI( LONG lUserID, LONG lInChannel, BOOL bSDKToISAPI );
[IN] Value returned by NET_DVR_Login_V40.
[IN] Channel No.
[OUT] Channel No. conversion type: "TRUE"-convert channel No. of private protocol to that of text protocol, "FALSE"-convert channel No. of text protocol to that of private protocol.
Returns TRUE for success, and returns FALSE for failure.
If FALSE is returned, you can call NET_DVR_GetLastError to get the error code.