| Value | Meaning |
|---|---|
| Ok0 | no error |
| OkRedirect1 | RTSP request is successful, but was redirected. |
| Error-1 | some unspecified error occurred |
| Einval-2 | invalid arguments were provided to a function |
| Eintr-3 | an operation was canceled |
| Enomem-4 | no memory was available for the operation |
| Eresolv-5 | a host resolve error occurred |
| Enotimpl-6 | function not implemented |
| Esys-7 | a system error occurred, errno contains more details |
| Eparse-8 | a parsing error occurred |
| Ewsastart-9 | windows networking could not start |
| Ewsaversion-10 | windows networking stack has wrong version |
| Eeof-11 | end-of-file was reached |
| Enet-12 | a network problem occurred, h_errno contains more details |
| Enotip-13 | the host is not an IP host |
| Etimeout-14 | a timeout occurred |
| Etget-15 | the tunnel GET request has been performed |
| Etpost-16 | the tunnel POST request has been performed |
| Elast-17 | last error |
Result codes from the RTSP functions.