I will look into the piwall thing, it kind of leads me back to what I tired to do starting out with using ffmpeg to capture the whole display and send it, but had a lot of issues actually getting that to work, after looking at countless examples that work for everyone else kind of thing . Then I stumbled on the SPICE driver with multiple monitors and got closer but then the road block I was talking about before.
I was also hoping to have the display processing mostly handled by the VM server and not have to client CPU overhead with a capture running, going back I did get it to work have to run a encode per display and get decent quality but it adds about 33% CPU use on the VM just sitting there. I dont know if it is possible to decide which display it chooses when you use the -f parameter on remote-viewer or if it would do what I wanted if the machine I was running it on had 2 screens anyway haven't actually tried that yet. On Tue, Oct 23, 2018 at 5:59 AM Victor Toso <[email protected]> wrote: > Hi, > > On Mon, Oct 22, 2018 at 10:48:06AM -0400, Jarrid Graham wrote: > > Hi, > > What I am trying to accomplish is using multiple raspberry pi > > units , one for each monitor of a multi monitor windows VM. I > > have read there is an option to allow more than one spice > > connection per VM > > You mean https://www.spice-space.org/multiple-clients.html ? > > > but I was hoping to be able to map monitors say on the first pi > > 1:1 and on the second 1:2 kind of thing but it knows there is > > no second monitor on the pi and says my mappings are invalid > > and ignores them. > > Even if you tweak that, you would be receiving data from all > displays, I think. > > > I have tried many things to make a second display on the pi to > > fool the software but that doesn't seem to work either. > > It wasn't design with this kind of usage in mind > > > I have tried to search for information on this but have had > > little luck. I know I am using an older versions on virt-viewer > > package 4.0 I think due to trying to compile newer versions of > > spice-gtk seem to have issues with a newer libssl I think. > > > > I have been banging around on this a bit and maybe I am looking > > at this wrong, I am not really to worried input as these are > > only for display. > > You could have a client to connect on the host and having this > client to split the data to all rpi instead. You could even > consider playing with video walls, splitting one 4k display in 4 > full-hd ones, etc. > > Nothing like this is implemented but lots of work is already done > by GStreamer, in case you want to play with it. > > Cheers, > Victor >
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