sound was successfully copied to MAC, but still has an error "main stream error: connection error: Connection refused"

[xiaopengshi]

xiaopeng@mac sndcpy-v1.1$ ./sndcpy
Waiting for device...
Uninstalling existing version first...
Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] cmp=com.rom1v.sndcpy/.MainActivity }
Playing audio...
VLC media player 3.0.12 Vetinari (revision 3.0.12-1-0-gd147bb5e7e)
[00007fc4c3a26a60] dummy interface: using the dummy interface module...
[00007fc4c380a580] main stream error: connection error: Connection refused

though it works, but still has such error "main stream error" . could anyone explain it ? thanks :)

[rom1v]

It is just an wrong VLC message. Ignore it. It is mentionned in the README: https://github.com/rom1v/sndcpy#run-the-app