Having one display go black while the other is on full-screen?

[Loa]

Hello,

When I put a movie in full screen on my TV (directly connected to my mac) using VLC, the regular display goes black. It's one of the options in VLC.

But when I slide my youtube window to my TV and put it in full screen, my regular display is still on. Now I can't physically turn it off because my mouse and keyboard are connected to it.

Is there an app or setting I could use to do that?

Thanks!

 

[bogdanw]

Similar question https://forums.macrumors.com/threads/put-display-to-sleep-while-using-one-external-screen.2333871/
HazeOver https://hazeover.com
DisableMonitor-3.0 https://github.com/epalzeolithe/DisableMonitor-3.0

 

[Loa]

Thanks! I may give Disable Monitor a try.

 

[bogdanw]

I just realized there might be a better solution in your case, send the YouTube video with a QuickAction to be played in VLC.
Simple AppleScript for the QuickAction

tell application "Safari"
    set theURL to URL of current tab of window 1
end tell
tell application "VLC"
    activate
    GetURL theURL
end tell

 

[Loa]

Hmm! Very interesting! I'll try that tonight. Thanks!