> On 01 Oct 2015, at 17:08, Giulio Camuffo <giuliocamu...@gmail.com> wrote: > > 2015-10-01 18:03 GMT+03:00 Robert Folland <robert.foll...@me.com>: >> On 01 Oct 2015, at 16:47, Giulio Camuffo <giuliocamu...@gmail.com> wrote: >>> >>> 2015-10-01 16:40 GMT+03:00 Robert Folland <robert.foll...@me.com>: >>>> Hi, >>>> >>>> I need to display video in different resolutions (the resolution of the >>>> recording), but with weston/wayland I always end up with the resolution >>>> preferred by the monitor (1920x1080 in my current setup). >>>> >>>> SDL2 thinks it is producing e.g. 1280x720, but that is not the real output >>>> to screen. This is probably due to weston scaling this to 1920x1080 for >>>> the monitor, intstead of doing a mode switching, which is what I require >>>> for my application. >>> >>> Why do you need a mode switch? Unless you're using a CRT the monitor >>> will scale the image up internally, and usually weston can do it >>> better. >>> Anyway, I assume SDL uses wl_shell, not xdg_shell, and >>> wl_shell_surface.set_fullscreen accepts several modes, and one of them >>> asks the compositor to perform a mode switch. Note that it *asks* to, >>> there is no way to force it, and that's by design. >>> >> >> I’ve set up a box to be an input source to other equipment. So it is >> providing input to another box instead of e.g cameras, playing out >> uncompressed video. >> So, it will not be displaying to monitors directly, but to a camera input on >> another box. And that camera input is accepting a range of resolutions. >> >> When I check the resolution actually asked for from within SDL it says it is >> producing my wanted resolution, but is is not actually apparing on the >> output. So I suspect it is not able to force it to weston. >> >> The monitor/camera input receiving the signal is providing a list of >> resolutions in its EDID data, and I guess one is preferred as a native >> resolution. But as long as there are more entries in that EDID list, would >> it not be a good idea to allow these to be “forced” through weston? > > It's not a good idea to let clients force modes, but it seems like you > just want weston to always use that resolution, am i right? If so you > can tell it to do so by setting the correct resolution in weston.ini. > Check "man weston.ini" for details. >
Not really, this is a tool where users can change resolutions (actually change video sequences) on the fly. But, it may work to restart weston on every change, I can try that… thanks! -Robert
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