Forgot to mention that xpra is upgraded to the 0.16.0.1 beta before the two updates were posted and tested in order to test whether http://xpra.org/trac/ticket/976 was taken care of. Thanks!
On 11/15/15, Zenny <[email protected]> wrote: > On 11/15/15, Zenny <[email protected]> wrote: >> Please find some more updates: >> >> §1 If I use Xdummy with xpra (as described in the wiki) and try to >> capture with ffmpeg the virtual console at 4k while displaying the >> remote in 1080p, it categorically reports as of below and fails to >> capture: >> >> [x11grab @ 0x2b2dc00] Capture area 3840x2160 at position 0.0 outside >> the screen size 1920x1080 >> :10: Invalid argument >> >> §2 If I use Xvfb directly with a single application (say xterm), and >> run 'xpra start --use-display :10', it allows to screencapture, but >> the capture of the window is dead black. (see attachment) > > Running single application works fine except screencapture of that X > instance be captured and the screencapture shows a black placeholder > of the size of the remote display size where the application was > running as seen in the screenshot. This one is with libreoffice > impress running an animated presentation, but rendered black. Earlier > was from a xterm. > >> >> §3. As in §2 above, if I start a DE like (LXDE or i3), I get the >> xrandr errors and the remote screen freezes. > > It categorically states in the xpra initialization window that: > > lib: extension "RANDR" missing on display ":100". > > And on the remote end (laptop at lower resolution) outputs: > > Screen1 @ 0.0,3840x2160:Calibration curves could not be loaded. > > and freezes. > >> >> Thanks! >> >> On 11/15/15, Zenny <[email protected]> wrote: >>> On 11/15/15, Antoine Martin <[email protected]> wrote: >>>> I have tested here with Xdummy and that worked fine. >>> >>> Can you share your Xdummy command if different from the one in the wiki? >>> >>> >>>>> I checked Xdummy related to Ubuntu instruction at >>>>> https://www.xpra.org/trac/wiki/Xdummy, but to no avail. >>>> Are you using Xvfb or Xdummy? What distribution and version? >>>>> Any hints would be highly appreciated. Thanks! >>>> You may also be interested in the following 0.16 features: >>>> * ability to NOT change the virtual display to match the client's >>>> resolution using: >>>> XPRA_RANDR=0 xpra start ... >>>> See: >>>> http://xpra.org/trac/changeset/11229 >>>> Shadow mode is A LOT less efficient than the regular "start" mode. >>>> * desktop scaling, which allows you to upscale or downscale the server >>>> resolution when displayed on the client: >>>> http://xpra.org/trac/ticket/976 >>>> So you could render at 4k and display at 2k for example (though the >>>> main >>>> purpose of this ticket is to do the opposite to save bandwidth). >>>> * "sync-xvfb" fix for screen capture tools: >>>> http://xpra.org/trac/ticket/988 >>>> >>>> Cheers >>>> Antoine >>>> >>>>> >>>>> Cheers, >>>>> /z >>>>> _______________________________________________ >>>>> shifter-users mailing list >>>>> [email protected] >>>>> http://lists.devloop.org.uk/mailman/listinfo/shifter-users >>>> >>>> _______________________________________________ >>>> shifter-users mailing list >>>> [email protected] >>>> http://lists.devloop.org.uk/mailman/listinfo/shifter-users >>>> >>> >> > _______________________________________________ shifter-users mailing list [email protected] http://lists.devloop.org.uk/mailman/listinfo/shifter-users
