On 19/04/2021 12:24, Barak A. Pearlmutter wrote: > I have a smart TV which includes a browser. (An LG running WebOS, as > it happens.) It can, of course, display video streams from a given > URL. So I'm hoping someone has figured out a way to create a virtual > display on a Debian computer which streams its contents out as a live > video stream on some nice port, and which X or Wayland or whatever > sees as an extra display in xrandr or Gnome Settings>Displays or > whatever. > > The dream: > > - on Debian box, run /usr/local/bin/virtual-display -size 1920x1080 -port > 8888 & > - on TV, browse to http://192.168.0.246:8888 > - go to Gnome Settings>Displays and enable/configure the new display > - enjoy extra screen without dog chewing HDMI cable > > Bonus points for getting pulseaudio to have a new sink that sends > audio output to the outgoing stream.
You might want to look at Apache Guacamole. It's a web application that acts as a VNC/RDP/SSH client (that is, a web browser connects to Guacamole, and Guacamole makes a separate connection to a VNC/RDP/SSH server and renders the result in the browser). There are instructions in the manual for configuring audio with VNC and RDP. I think the tricker part would be sending the appropriate Xinerama notifications or whatever is required to tell the X server "A second monitor has been plugged in", but perhaps someone better acquainted with VNC or RDP can say if that's easily done. > > Cheers, > > --Barak A. Pearlmutter <ba...@pearlmutter.net> >
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