cvlc  "rtsp://192.168.0.22:554/user=admin&password=&channel=1&stream=1.sdp‌​?real_stream--rtp-caching=100"
VLC media player 2.2.2 Weatherwax (revision 2.2.2-0-g6259d80)
[00000000009a8178] dummy interface: using the dummy interface module...
zdz@zdz-G31M-S2L:~$ cvlc rtsp://192.168.0.22:554/
VLC media player 2.2.2 Weatherwax (revision 2.2.2-0-g6259d80)
[0000000000d069a8] dummy interface: using the dummy interface module...
[00007f7290000e78] live555 demux error: Failed to connect with rtsp://192.168.0.22:554/
[00007f45a4000e88] live555 demux error: Failed to connect with rtsp://192.168.0.22:554/user=admin&password=&channel=1&stream=1.sdp‌​?real_stream--rtp-caching=100
[00007f45a8000c18] core input error: open of `rtsp://192.168.0.22:554/user=admin&password=&channel=1&stream=1.sdp‌​?real_stream--rtp-caching=100' failed


zdz@zdz-G31M-S2L:~$ cvlc rtsp://192.168.0.22:554/
VLC media player 2.2.2 Weatherwax (revision 2.2.2-0-g6259d80)
[0000000001ed70f8] dummy interface: using the dummy interface module...
[00007f9004000e78] live555 demux error: Failed to connect with rtsp://192.168.0.22:554/