and what is your main purpose?
stream a video on yt-dlp to vlc?

okay i see

windows:

create new txt file and rename it to yt-dlp to vlc.bat (this is a windows batch file)
put this file inside the folder where see yt-dlp and ffmpeg files
right click and edit file and put this lines inside (if your vlc. exe is different place yout need to change it)

@echo off
:link
set "url="
set /p url="link: "
yt-dlp --get-url --format best "%url%" | "c:\Program Files\VideoLAN\VLC\vlc.exe" --meta-title "%url%" --fullscreen --no-video-title -
goto link

or

with cli command:

yt-dlp --get-url --format best "youtube_link_here" | "c:\Program Files\VideoLAN\VLC\vlc.exe" --meta-title "youtube_link_here" --fullscreen --no-video-title -